Initial update to OpenSim 0.8.2.1 source code.

103 files changed, 11843 insertions, 3930 deletions

diff --git a/OpenSim/Region/Framework/Interfaces/IEstateDataStore.cs b/OpenSim/Data/IEstateDataStore.cs
index 8febb13..f9070ea 100644
--- a/OpenSim/Region/Framework/Interfaces/IEstateDataStore.cs
+++ b/OpenSim/Data/IEstateDataStore.cs
@@ -29,7 +29,7 @@ using System.Collections.Generic;
 using OpenMetaverse;
 using OpenSim.Framework;
 
-namespace OpenSim.Region.Framework.Interfaces
+namespace OpenSim.Data
 {
     public interface IEstateDataStore
     {
diff --git a/OpenSim/Region/Framework/Scenes/Scripting/IScriptHost.cs b/OpenSim/Data/IOfflineIMData.cs
index f3be028..58501a3 100644
--- a/OpenSim/Region/Framework/Scenes/Scripting/IScriptHost.cs
+++ b/OpenSim/Data/IOfflineIMData.cs
@@ -25,22 +25,26 @@
  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
+using System.Collections.Generic;
+using OpenSim.Data;
 using OpenMetaverse;
 
-namespace OpenSim.Region.Framework.Scenes.Scripting
+namespace OpenSim.Data
 {
-    public interface IScriptHost
+    public class OfflineIMData
     {
-        string Name { get; set; }
-        string Description { get; set; }
+        public UUID PrincipalID;
+        public UUID FromID;
+        public Dictionary<string, string> Data;
+    }
 
-        UUID UUID { get; }
-        UUID OwnerID { get; }
-        UUID CreatorID { get; }
-        Vector3 AbsolutePosition { get; }
 
-        string SitName { get; set; }
-        string TouchName { get; set; }
-        void SetText(string text, Vector3 color, double alpha);
+    public interface IOfflineIMData 
+    {
+        OfflineIMData[] Get(string field, string val);
+        long GetCount(string field, string key);
+        bool Store(OfflineIMData data);
+        bool Delete(string field, string val);
+        void DeleteOld();
     }
 }
diff --git a/OpenSim/Region/Framework/Scenes/Scripting/NullScriptHost.cs b/OpenSim/Framework/ServiceAuth/CompoundAuthentication.cs
index d7198f0..a49952c 100644
--- a/OpenSim/Region/Framework/Scenes/Scripting/NullScriptHost.cs
+++ b/OpenSim/Framework/ServiceAuth/CompoundAuthentication.cs
@@ -26,66 +26,57 @@
  */
 
 using System;
-using OpenMetaverse;
-using log4net;
-using System.Reflection;
-using OpenSim.Framework;
+using System.Collections.Generic;
+using System.Collections.Specialized;
+using System.Linq;
+using System.Net;
 
-namespace OpenSim.Region.Framework.Scenes.Scripting
+namespace OpenSim.Framework.ServiceAuth
 {
-    public class NullScriptHost : IScriptHost
+    public class CompoundAuthentication : IServiceAuth
     {
-        private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
+        public string Name { get { return "Compound"; } }
 
-        private Vector3 m_pos = new Vector3(((int)Constants.RegionSize * 0.5f), ((int)Constants.RegionSize * 0.5f), 30);
+        private List<IServiceAuth> m_authentications = new List<IServiceAuth>();
 
-        public string Name
-        {
-            get { return "Object"; }
-            set { }
-        }
+        public int Count { get { return m_authentications.Count; } }
 
-        public string SitName
+        public List<IServiceAuth> GetAuthentors()
         {
-            get { return String.Empty; }
-            set { }
+            return new List<IServiceAuth>(m_authentications);
         }
 
-        public string TouchName
+        public void AddAuthenticator(IServiceAuth auth)
         {
-            get { return String.Empty; }
-            set { }
+            m_authentications.Add(auth);
         }
 
-        public string Description
+        public void RemoveAuthenticator(IServiceAuth auth)
         {
-            get { return String.Empty; }
-            set { }
+            m_authentications.Remove(auth);
         }
 
-        public UUID UUID
+        public void AddAuthorization(NameValueCollection headers) 
         {
-            get { return UUID.Zero; }
+            foreach (IServiceAuth auth in m_authentications)
+                auth.AddAuthorization(headers);
         }
 
-        public UUID OwnerID
+        public bool Authenticate(string data)
         {
-            get { return UUID.Zero; }
+            return m_authentications.TrueForAll(a => a.Authenticate(data));
         }
 
-        public UUID CreatorID
+        public bool Authenticate(NameValueCollection requestHeaders, AddHeaderDelegate d, out HttpStatusCode statusCode)
         {
-            get { return UUID.Zero; }
-        }
+            foreach (IServiceAuth auth in m_authentications)
+            {
+                if (!auth.Authenticate(requestHeaders, d, out statusCode))
+                    return false;
+            }
 
-        public Vector3 AbsolutePosition
-        {
-            get { return m_pos; }
-        }
-
-        public void SetText(string text, Vector3 color, double alpha)
-        {
-            m_log.Warn("Tried to SetText "+text+" on NullScriptHost");
+            statusCode = HttpStatusCode.OK;
+            return true;
         }
     }
-}
+}
\ No newline at end of file
diff --git a/OpenSim/Region/Framework/Interfaces/IAgentStatefulModule.cs b/OpenSim/Region/Framework/Interfaces/IAgentStatefulModule.cs
new file mode 100644
index 0000000..ccb2a03
--- /dev/null
+++ b/OpenSim/Region/Framework/Interfaces/IAgentStatefulModule.cs
@@ -0,0 +1,61 @@
+/*
+ * Copyright (c) Contributors, http://opensimulator.org/
+ * See CONTRIBUTORS.TXT for a full list of copyright holders.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * Neither the name of the OpenSimulator Project nor the
+ *       names of its contributors may be used to endorse or promote products
+ *       derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+using System;
+using System.Collections.Generic;
+using OpenMetaverse;
+
+namespace OpenSim.Region.Framework.Interfaces
+{
+    public interface IAgentStatefulModule
+    {
+        /// <summary>
+        /// Returns a list of all the formats (by UUID) that this module
+        /// can render agent state in.
+        /// </summary>
+        List<UUID> GetRenderStateFormats();
+
+        /// <summary>
+        /// Returns a list (by UUID) of all formats this module can decode
+        /// to populate it's internal agent-related state.
+        /// </summary>
+        List<UUID> GetAcceptStateFormats();
+
+        /// <summary>
+        /// Render all internally held state for the given agent in the
+        /// requested format.
+        /// </summary>
+        string RenderState(UUID agentID, UUID format);
+
+        /// <summary>
+        /// Populate the internal state for the given agent from the
+        /// data argument, which is in the specified format. All prior
+        /// state relating to this agent is removed by this operation.
+        /// </summary>
+        bool ReceiveState(UUID agentID, UUID format, string data);
+    }
+}
diff --git a/OpenSim/Region/Framework/Interfaces/IAttachmentsModule.cs b/OpenSim/Region/Framework/Interfaces/IAttachmentsModule.cs
index 620ec22..d9901bd 100644
--- a/OpenSim/Region/Framework/Interfaces/IAttachmentsModule.cs
+++ b/OpenSim/Region/Framework/Interfaces/IAttachmentsModule.cs
@@ -53,6 +53,10 @@ namespace OpenSim.Region.Framework.Interfaces
         /// RezAttachments. This should only be called upon login on the first region.
         /// Attachment rezzings on crossings and TPs are done in a different way.
         /// </summary>
+        /// <remarks>
+        /// This is only actually necessary for viewers which do not have a current outfit folder (these viewers make
+        /// their own attachment calls on login) and agents which have attachments but no viewer (e.g. NPCs).
+        /// </remarks>
         /// <param name="sp"></param>
         void RezAttachments(IScenePresence sp);
 
@@ -76,14 +80,16 @@ namespace OpenSim.Region.Framework.Interfaces
         void DeleteAttachmentsFromScene(IScenePresence sp, bool silent);
 
         /// <summary>
-        /// Attach an object to an avatar
+        /// Attach an object to an avatar.
         /// </summary>
         /// <param name="sp"></param>
         /// <param name="grp"></param>
         /// <param name="AttachmentPt"></param>
         /// <param name="silent"></param>
+        /// <param name="addToInventory">If true then add object to user inventory</param>
+        /// <param name="append">Append to attachment point rather than replace.</param>
         /// <returns>true if the object was successfully attached, false otherwise</returns>
-        bool AttachObject(IScenePresence sp, SceneObjectGroup grp, uint AttachmentPt, bool silent, bool temp);
+        bool AttachObject(IScenePresence sp, SceneObjectGroup grp, uint AttachmentPt, bool silent, bool addToInventory, bool append);
 
         /// <summary>
         /// Rez an attachment from user inventory and change inventory status to match.
diff --git a/OpenSim/Region/Framework/Interfaces/IAvatarFactoryModule.cs b/OpenSim/Region/Framework/Interfaces/IAvatarFactoryModule.cs
index 34aca33..d25c930 100644
--- a/OpenSim/Region/Framework/Interfaces/IAvatarFactoryModule.cs
+++ b/OpenSim/Region/Framework/Interfaces/IAvatarFactoryModule.cs
@@ -35,8 +35,8 @@ namespace OpenSim.Region.Framework.Interfaces
 
     public interface IAvatarFactoryModule
     {
-        void SetAppearance(IScenePresence sp, AvatarAppearance appearance);
-        void SetAppearance(IScenePresence sp, Primitive.TextureEntry textureEntry, byte[] visualParams);
+        void SetAppearance(IScenePresence sp, AvatarAppearance appearance, WearableCacheItem[] cacheItems);
+        void SetAppearance(IScenePresence sp, Primitive.TextureEntry textureEntry, byte[] visualParams, WearableCacheItem[] cacheItems);
 
         /// <summary>
         /// Send the appearance of an avatar to others in the scene.
@@ -52,6 +52,8 @@ namespace OpenSim.Region.Framework.Interfaces
         /// <returns>An empty list if this agent has no baked textures (e.g. because it's a child agent)</returns>
         Dictionary<BakeType, Primitive.TextureEntryFace> GetBakedTextureFaces(UUID agentId);
 
+
+        WearableCacheItem[] GetCachedItems(UUID agentId);
         /// <summary>
         /// Save the baked textures for the given agent permanently in the asset database.
         /// </summary>
diff --git a/OpenSim/Region/Framework/Interfaces/IBakedTextureModule.cs b/OpenSim/Region/Framework/Interfaces/IBakedTextureModule.cs
new file mode 100644
index 0000000..b536a49
--- /dev/null
+++ b/OpenSim/Region/Framework/Interfaces/IBakedTextureModule.cs
@@ -0,0 +1,40 @@
+/*
+ * Copyright (c) Contributors, http://opensimulator.org/
+ * See CONTRIBUTORS.TXT for a full list of copyright holders.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * Neither the name of the OpenSimulator Project nor the
+ *       names of its contributors may be used to endorse or promote products
+ *       derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+using System;
+using Nini.Config;
+using OpenSim.Framework;
+using OpenMetaverse;
+
+namespace OpenSim.Services.Interfaces
+{
+    public interface IBakedTextureModule
+    {
+        WearableCacheItem[] Get(UUID id);
+        void Store(UUID id, WearableCacheItem[] data);
+    }
+}
diff --git a/OpenSim/Region/Framework/Interfaces/IDynamicFloaterModule.cs b/OpenSim/Region/Framework/Interfaces/IDynamicFloaterModule.cs
new file mode 100644
index 0000000..7684ce3
--- /dev/null
+++ b/OpenSim/Region/Framework/Interfaces/IDynamicFloaterModule.cs
@@ -0,0 +1,52 @@
+/*
+ * Copyright (c) Contributors, http://opensimulator.org/
+ * See CONTRIBUTORS.TXT for a full list of copyright holders.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * Neither the name of the OpenSimulator Project nor the
+ *       names of its contributors may be used to endorse or promote products
+ *       derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+using System.Collections.Generic;
+using OpenMetaverse;
+using OpenSim.Framework;
+using OpenSim.Region.Framework.Scenes;
+
+namespace OpenSim.Region.Framework.Interfaces
+{
+    public delegate bool HandlerDelegate(IClientAPI client, FloaterData data, string[] msg);
+
+    public abstract class FloaterData
+    {
+        public abstract int Channel { get; } 
+        public abstract string FloaterName { get; set; }
+        public virtual string XmlName { get; set; }
+        public virtual string XmlText { get; set; }
+        public virtual HandlerDelegate Handler { get; set; }
+    }
+
+
+    public interface IDynamicFloaterModule
+    {
+        void DoUserFloater(UUID agentID, FloaterData dialogData, string configuration);
+        void FloaterControl(ScenePresence sp, FloaterData d, string msg);
+    }
+}
diff --git a/OpenSim/Region/Framework/Interfaces/IDynamicMenuModule.cs b/OpenSim/Region/Framework/Interfaces/IDynamicMenuModule.cs
new file mode 100644
index 0000000..08b71e4
--- /dev/null
+++ b/OpenSim/Region/Framework/Interfaces/IDynamicMenuModule.cs
@@ -0,0 +1,57 @@
+/*
+ * Copyright (c) Contributors, http://opensimulator.org/
+ * See CONTRIBUTORS.TXT for a full list of copyright holders.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * Neither the name of the OpenSimulator Project nor the
+ *       names of its contributors may be used to endorse or promote products
+ *       derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+using System.Collections.Generic;
+using OpenMetaverse;
+using OpenSim.Framework;
+
+namespace OpenSim.Region.Framework.Interfaces
+{
+    public enum InsertLocation : int
+    {
+        Agent = 1,
+        World = 2,
+        Tools = 3,
+        Advanced = 4,
+        Admin = 5
+    }
+
+    public enum UserMode : int
+    {
+        Normal = 0,
+        God = 3
+    }
+
+    public delegate void CustomMenuHandler(string action, UUID agentID, List<uint> selection);
+
+    public interface IDynamicMenuModule
+    {
+        void AddMenuItem(UUID agentID, string title, InsertLocation location, UserMode mode, CustomMenuHandler handler);
+        void AddMenuItem(string title, InsertLocation location, UserMode mode, CustomMenuHandler handler);
+        void RemoveMenuItem(string action);
+    }
+}
diff --git a/OpenSim/Region/Framework/Interfaces/IEntityInventory.cs b/OpenSim/Region/Framework/Interfaces/IEntityInventory.cs
index 150193d..9ffda51 100644
--- a/OpenSim/Region/Framework/Interfaces/IEntityInventory.cs
+++ b/OpenSim/Region/Framework/Interfaces/IEntityInventory.cs
@@ -234,15 +234,17 @@ namespace OpenSim.Region.Framework.Interfaces
         List<TaskInventoryItem> GetInventoryItems(InventoryType type);
 
         /// <summary>
-        /// Get the scene object referenced by an inventory item.
+        /// Get the scene object(s) referenced by an inventory item.
         /// </summary>
         /// 
         /// This is returned in a 'rez ready' state.  That is, name, description, permissions and other details have
         /// been adjusted to reflect the part and item from which it originates.
         /// 
-        /// <param name="item"></param>
-        /// <returns>The scene object.  Null if the scene object asset couldn't be found</returns>
-        SceneObjectGroup GetRezReadySceneObject(TaskInventoryItem item);
+        /// <param name="item">Inventory item</param>
+        /// <param name="objlist">The scene objects</param>
+        /// <param name="veclist">Relative offsets for each object</param>
+        /// <returns>true = success, false = the scene object asset couldn't be found</returns>
+        bool GetRezReadySceneObjects(TaskInventoryItem item, out List<SceneObjectGroup> objlist, out List<Vector3> veclist);
 
         /// <summary>
         /// Update an existing inventory item.
diff --git a/OpenSim/Region/Framework/Interfaces/IEntityTransferModule.cs b/OpenSim/Region/Framework/Interfaces/IEntityTransferModule.cs
index 69be83e..d07b15a 100644
--- a/OpenSim/Region/Framework/Interfaces/IEntityTransferModule.cs
+++ b/OpenSim/Region/Framework/Interfaces/IEntityTransferModule.cs
@@ -35,6 +35,8 @@ using OpenSim.Region.Framework.Scenes;
 
 namespace OpenSim.Region.Framework.Interfaces
 {
+    public delegate ScenePresence CrossAgentToNewRegionDelegate(ScenePresence agent, Vector3 pos, GridRegion neighbourRegion, bool isFlying, EntityTransferContext ctx);
+
     public interface IEntityTransferModule
     {
         /// <summary>
@@ -45,13 +47,22 @@ namespace OpenSim.Region.Framework.Interfaces
         /// The handle of the destination region.  If it's the same as the region currently
         /// occupied by the agent then the teleport will be within that region.
         /// </param>
+        /// <param name='agent'></param>
+        /// <param name='regionHandle'></param>
         /// <param name='position'></param>
         /// <param name='lookAt'></param>
         /// <param name='teleportFlags'></param>
         void Teleport(ScenePresence agent, ulong regionHandle, Vector3 position, Vector3 lookAt, uint teleportFlags);
 
         /// <summary>
-        /// Teleport an agent directly to a given region without checking whether the region should be subsituted.
+        /// Teleports the agent for the given client to their home destination.
+        /// </summary>
+        /// <param name='id'></param>
+        /// <param name='client'></param>
+        bool TeleportHome(UUID id, IClientAPI client);
+
+        /// <summary>
+        /// Teleport an agent directly to a given region without checking whether the region should be substituted.
         /// </summary>
         /// <remarks>
         /// Please use Teleport() instead unless you know exactly what you're doing.
@@ -63,18 +74,10 @@ namespace OpenSim.Region.Framework.Interfaces
         /// <param name='position'></param>
         /// <param name='lookAt'></param>
         /// <param name='teleportFlags'></param>
-        void DoTeleport(
-            ScenePresence sp, GridRegion reg, GridRegion finalDestination,
+        void DoTeleport(ScenePresence sp, GridRegion reg, GridRegion finalDestination,
             Vector3 position, Vector3 lookAt, uint teleportFlags);
 
         /// <summary>
-        /// Teleports the agent for the given client to their home destination.
-        /// </summary>
-        /// <param name='id'></param>
-        /// <param name='client'></param>
-        void TeleportHome(UUID id, IClientAPI client);
-
-        /// <summary>
         /// Show whether the given agent is being teleported.
         /// </summary>
         /// <param name='id'>The agent ID</para></param>
@@ -89,7 +92,14 @@ namespace OpenSim.Region.Framework.Interfaces
 
         void EnableChildAgent(ScenePresence agent, GridRegion region);
 
+        GridRegion GetDestination(Scene scene, UUID agentID, Vector3 pos, EntityTransferContext ctx,
+                                        out Vector3 newpos, out string reason);
+
         void Cross(SceneObjectGroup sog, Vector3 position, bool silent);
+
+        ScenePresence CrossAgentToNewRegionAsync(ScenePresence agent, Vector3 pos, GridRegion neighbourRegion, bool isFlying, EntityTransferContext ctx);
+
+        bool HandleIncomingSceneObject(SceneObjectGroup so, Vector3 newPosition);
     }
 
     public interface IUserAgentVerificationModule
diff --git a/OpenSim/Region/Framework/Interfaces/IEstateModule.cs b/OpenSim/Region/Framework/Interfaces/IEstateModule.cs
index 1983984..461c880 100644
--- a/OpenSim/Region/Framework/Interfaces/IEstateModule.cs
+++ b/OpenSim/Region/Framework/Interfaces/IEstateModule.cs
@@ -26,6 +26,8 @@
  */
 
 using OpenMetaverse;
+using OpenSim.Framework;
+using OpenSim.Services.Interfaces;
 
 namespace OpenSim.Region.Framework.Interfaces
 {
@@ -40,11 +42,17 @@ namespace OpenSim.Region.Framework.Interfaces
 
         uint GetRegionFlags();
         bool IsManager(UUID avatarID);
-        
+
+        string SetEstateOwner(int estateID, UserAccount account);
+        string SetEstateName(int estateID, string newName);
+        string SetRegionEstate(RegionInfo regionInfo, int estateID);
+        string CreateEstate(string estateName, UUID ownerID);
+
         /// <summary>
         /// Tell all clients about the current state of the region (terrain textures, water height, etc.).
         /// </summary>
         void sendRegionHandshakeToAll();
+        void TriggerEstateInfoChange();
 
         /// <summary>
         /// Fires the OnRegionInfoChange event.
@@ -53,5 +61,10 @@ namespace OpenSim.Region.Framework.Interfaces
 
         void setEstateTerrainBaseTexture(int level, UUID texture);
         void setEstateTerrainTextureHeights(int corner, float lowValue, float highValue);
+
+        /// <summary>
+        /// Returns whether the transfer ID is being used for a terrain transfer.
+        /// </summary>
+        bool IsTerrainXfer(ulong xferID);
     }
 }
diff --git a/OpenSim/Region/Framework/Interfaces/IEventQueue.cs b/OpenSim/Region/Framework/Interfaces/IEventQueue.cs
index bfa5d17..dfc269e 100644
--- a/OpenSim/Region/Framework/Interfaces/IEventQueue.cs
+++ b/OpenSim/Region/Framework/Interfaces/IEventQueue.cs
@@ -39,25 +39,28 @@ namespace OpenSim.Region.Framework.Interfaces
 
         // These are required to decouple Scenes from EventQueueHelper
         void DisableSimulator(ulong handle, UUID avatarID);
-        void EnableSimulator(ulong handle, IPEndPoint endPoint, UUID avatarID);
+        void EnableSimulator(ulong handle, IPEndPoint endPoint, UUID avatarID, int regionSizeX, int regionSizeY);
         void EstablishAgentCommunication(UUID avatarID, IPEndPoint endPoint, 
-                                         string capsPath);
+                                         string capsPath, ulong regionHandle, int regionSizeX, int regionSizeY);
         void TeleportFinishEvent(ulong regionHandle, byte simAccess, 
                                  IPEndPoint regionExternalEndPoint,
                                  uint locationID, uint flags, string capsURL, 
-                                 UUID agentID);
+                                 UUID agentID, int regionSizeX, int regionSizeY);
         void CrossRegion(ulong handle, Vector3 pos, Vector3 lookAt,
                          IPEndPoint newRegionExternalEndPoint,
-                         string capsURL, UUID avatarID, UUID sessionID);
+                         string capsURL, UUID avatarID, UUID sessionID,
+                            int regionSizeX, int regionSizeY);
         void ChatterboxInvitation(UUID sessionID, string sessionName,
                                   UUID fromAgent, string message, UUID toAgent, string fromName, byte dialog,
                                   uint timeStamp, bool offline, int parentEstateID, Vector3 position,
                                   uint ttl, UUID transactionID, bool fromGroup, byte[] binaryBucket);
-        void ChatterBoxSessionAgentListUpdates(UUID sessionID, UUID fromAgent, UUID toAgent, bool canVoiceChat, 
+        void ChatterBoxSessionAgentListUpdates(UUID sessionID, UUID fromAgent, UUID anotherAgent, bool canVoiceChat, 
                                                bool isModerator, bool textMute);
         void ParcelProperties(ParcelPropertiesMessage parcelPropertiesMessage, UUID avatarID);
         void GroupMembership(AgentGroupDataUpdatePacket groupUpdate, UUID avatarID);
         OSD ScriptRunningEvent(UUID objectID, UUID itemID, bool running, bool mono);
         OSD BuildEvent(string eventName, OSD eventBody);
+        void partPhysicsProperties(uint localID, byte physhapetype, float density, float friction, float bounce, float gravmod, UUID avatarID);
+
     }
 }
diff --git a/OpenSim/Framework/Communications/XMPP/XmppIqStanza.cs b/OpenSim/Region/Framework/Interfaces/IExternalCapsModule.cs
index 12263f4..a730cfd 100644
--- a/OpenSim/Framework/Communications/XMPP/XmppIqStanza.cs
+++ b/OpenSim/Region/Framework/Interfaces/IExternalCapsModule.cs
@@ -25,36 +25,24 @@
  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-using System.Xml.Serialization;
+using System;
+using OpenMetaverse;
+using OpenSim.Framework;
+using Caps=OpenSim.Framework.Capabilities.Caps;
 
-namespace OpenSim.Framework.Communications.XMPP
+namespace OpenSim.Region.Framework.Interfaces
 {
-    /// <summary>
-    /// An IQ needs to have one of the follow types set.
-    /// </summary>
-    public enum XmppIqType
-    {
-        [XmlEnum("set")] set,
-        [XmlEnum("get")] get,
-        [XmlEnum("result")] result,
-        [XmlEnum("error")] error,
-    }
-
-    /// <summary>
-    /// XmppIqStanza needs to be subclassed as the query content is
-    /// specific to the query type.
-    /// </summary>
-    [XmlRoot("iq")]
-    public abstract class XmppIqStanza: XmppStanza
+    public interface IExternalCapsModule
     {
         /// <summary>
-        /// IQ type: one of set, get, result, error
+        /// This function extends the simple URL configuration in the caps handlers
+        /// to facilitate more interesting computation when an external handler is
+        /// sent to the viewer. 
         /// </summary>
-        [XmlAttribute("type")]
-        public XmppIqType Type;
-
-        public XmppIqStanza(): base()
-        {
-        }
+        /// <param name="agentID">New user UUID</param>
+        /// <param name="caps">Internal caps registry, where the external handler will be registered</param>
+        /// <param name="capName">Name of the specific cap we are registering</param>
+        /// <param name="urlSkel">The skeleton URL provided in the caps configuration</param>
+        bool RegisterExternalUserCapsHandler(UUID agentID, Caps caps, String capName, String urlSkel);
     }
 }
diff --git a/OpenSim/Region/Framework/Interfaces/IGroupsMessagingModule.cs b/OpenSim/Region/Framework/Interfaces/IGroupsMessagingModule.cs
index f158236..7dc1552 100644
--- a/OpenSim/Region/Framework/Interfaces/IGroupsMessagingModule.cs
+++ b/OpenSim/Region/Framework/Interfaces/IGroupsMessagingModule.cs
@@ -25,6 +25,7 @@
  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
+using System;
 using OpenMetaverse;
 using OpenSim.Framework;
 
@@ -57,7 +58,7 @@ namespace OpenSim.Region.Framework.Interfaces
         bool StartGroupChatSession(UUID agentID, UUID groupID);
         
         /// <summary>
-        /// Send a message to an entire group.
+        /// Send a message to each member of a group whose chat session is active.
         /// </summary>
         /// <param name="im">
         /// The message itself.  The fields that must be populated are
@@ -69,5 +70,28 @@ namespace OpenSim.Region.Framework.Interfaces
         /// </param>
         /// <param name="groupID"></param>
         void SendMessageToGroup(GridInstantMessage im, UUID groupID);
+
+        /// <summary>
+        /// Send a message to all the members of a group that fulfill a condition.
+        /// </summary>
+        /// <param name="im">
+        /// The message itself.  The fields that must be populated are
+        /// 
+        /// imSessionID - Populate this with the group ID (session ID and group ID are currently identical)
+        /// fromAgentName - Populate this with whatever arbitrary name you want to show up in the chat dialog
+        /// message - The message itself
+        /// dialog - This must be (byte)InstantMessageDialog.SessionSend
+        /// </param>
+        /// <param name="groupID"></param>
+        /// <param name="sendingAgentForGroupCalls">
+        /// The requesting agent to use when querying the groups service.  Sometimes this is different from 
+        /// im.fromAgentID, with group notices, for example.
+        /// </param>
+        /// <param name="sendCondition">
+        /// The condition that must be met by a member for the message to be sent.  If null then the message is sent
+        /// if the chat session is active.
+        /// </param>
+        void SendMessageToGroup(
+            GridInstantMessage im, UUID groupID, UUID sendingAgentForGroupCalls, Func<GroupMembersData, bool> sendCondition);
     }
 }
\ No newline at end of file
diff --git a/OpenSim/Region/Framework/Interfaces/IGroupsModule.cs b/OpenSim/Region/Framework/Interfaces/IGroupsModule.cs
index 6885327..9ae5e87 100644
--- a/OpenSim/Region/Framework/Interfaces/IGroupsModule.cs
+++ b/OpenSim/Region/Framework/Interfaces/IGroupsModule.cs
@@ -97,5 +97,7 @@ namespace OpenSim.Region.Framework.Interfaces
         void InviteGroupRequest(IClientAPI remoteClient, UUID GroupID, UUID InviteeID, UUID RoleID);
         void InviteGroup(IClientAPI remoteClient, UUID agentID, UUID GroupID, UUID InviteeID, UUID RoleID);
         void NotifyChange(UUID GroupID);
+
+        List<DirGroupsReplyData> FindGroups(IClientAPI remoteClient, string query);
     }
 }
\ No newline at end of file
diff --git a/OpenSim/Region/Framework/Interfaces/IHttpRequests.cs b/OpenSim/Region/Framework/Interfaces/IHttpRequests.cs
index de0f2a3..124504c 100644
--- a/OpenSim/Region/Framework/Interfaces/IHttpRequests.cs
+++ b/OpenSim/Region/Framework/Interfaces/IHttpRequests.cs
@@ -25,6 +25,7 @@
  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
+using System;
 using System.Collections.Generic;
 using OpenMetaverse;
 
@@ -36,13 +37,56 @@ namespace OpenSim.Region.Framework.Interfaces
         HTTP_MIMETYPE = 1,
         HTTP_BODY_MAXLENGTH = 2,
         HTTP_VERIFY_CERT = 3,
+        HTTP_VERBOSE_THROTTLE = 4,
+        HTTP_CUSTOM_HEADER = 5,
+        HTTP_PRAGMA_NO_CACHE = 6
+    }
+
+    /// <summary>
+    /// The initial status of the request before it is placed on the wire.
+    /// </summary>
+    /// <remarks>
+    /// The request may still fail later on, in which case the normal HTTP status is set.
+    /// </remarks>
+    [Flags]
+    public enum HttpInitialRequestStatus
+    {
+        OK = 1,
+        DISALLOWED_BY_FILTER = 2
     }
 
     public interface IHttpRequestModule
     {
         UUID MakeHttpRequest(string url, string parameters, string body);
-        UUID StartHttpRequest(uint localID, UUID itemID, string url, List<string> parameters, Dictionary<string, string> headers, string body);
-        void StopHttpRequest(uint m_localID, UUID m_itemID);
+
+        /// <summary>
+        /// Starts the http request.
+        /// </summary>
+        /// <remarks>
+        /// This is carried out asynchronously unless it fails initial checks.  Results are fetched by the script engine
+        /// HTTP requests module to be distributed back to scripts via a script event.
+        /// </remarks>
+        /// <returns>The ID of the request.  If the requested could not be performed then this is UUID.Zero</returns>
+        /// <param name="localID">Local ID of the object containing the script making the request.</param>
+        /// <param name="itemID">Item ID of the script making the request.</param>
+        /// <param name="url">Url to request.</param>
+        /// <param name="parameters">LSL parameters for the request.</param>
+        /// <param name="headers">Extra headers for the request.</param>
+        /// <param name="body">Body of the request.</param>
+        /// <param name="status">
+        /// Initial status of the request.  If OK then the request is actually made to the URL.  Subsequent status is
+        /// then returned via IServiceRequest when the response is asynchronously fetched.
+        /// </param>
+        UUID StartHttpRequest(
+            uint localID, UUID itemID, string url, List<string> parameters, Dictionary<string, string> headers, string body, 
+            out HttpInitialRequestStatus status);
+
+        /// <summary>
+        /// Stop and remove all http requests for the given script.
+        /// </summary>
+        /// <param name='id'></param>
+        void StopHttpRequestsForScript(UUID id);
+
         IServiceRequest GetNextCompletedRequest();
         void RemoveCompletedRequest(UUID id);
     }
diff --git a/OpenSim/Region/Framework/Interfaces/IInterregionComms.cs b/OpenSim/Region/Framework/Interfaces/IInterregionComms.cs
deleted file mode 100644
index 2d6287f..0000000
--- a/OpenSim/Region/Framework/Interfaces/IInterregionComms.cs
+++ /dev/null
@@ -1,111 +0,0 @@
-/*
- * Copyright (c) Contributors, http://opensimulator.org/
- * See CONTRIBUTORS.TXT for a full list of copyright holders.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *     * Redistributions of source code must retain the above copyright
- *       notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above copyright
- *       notice, this list of conditions and the following disclaimer in the
- *       documentation and/or other materials provided with the distribution.
- *     * Neither the name of the OpenSimulator Project nor the
- *       names of its contributors may be used to endorse or promote products
- *       derived from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
- * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
- * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-using OpenMetaverse;
-using OpenSim.Framework;
-using OpenSim.Region.Framework.Scenes;
-
-namespace OpenSim.Region.Framework.Interfaces
-{
-    public delegate bool ChildAgentUpdateReceived(AgentData data);
-
-    public interface IInterregionCommsOut
-    {
-        #region Agents
-
-        bool SendCreateChildAgent(ulong regionHandle, AgentCircuitData aCircuit, uint teleportFlags, out string reason);
-
-        /// <summary>
-        /// Full child agent update.
-        /// </summary>
-        /// <param name="regionHandle"></param>
-        /// <param name="data"></param>
-        /// <returns></returns>
-        bool SendChildAgentUpdate(ulong regionHandle, AgentData data);
-
-        /// <summary>
-        /// Short child agent update, mostly for position.
-        /// </summary>
-        /// <param name="regionHandle"></param>
-        /// <param name="data"></param>
-        /// <returns></returns>
-        bool SendChildAgentUpdate(ulong regionHandle, AgentPosition data);
-
-        bool SendRetrieveRootAgent(ulong regionHandle, UUID id, out IAgentData agent);
-
-        /// <summary>
-        /// Message from receiving region to departing region, telling it got contacted by the client.
-        /// When sent over REST, it invokes the opaque uri.
-        /// </summary>
-        /// <param name="regionHandle"></param>
-        /// <param name="id"></param>
-        /// <param name="uri"></param>
-        /// <returns></returns>
-        bool SendReleaseAgent(ulong regionHandle, UUID id, string uri);
-
-        /// <summary>
-        /// Close agent.
-        /// </summary>
-        /// <param name="regionHandle"></param>
-        /// <param name="id"></param>
-        /// <returns></returns>
-        bool SendCloseAgent(ulong regionHandle, UUID id);
-
-        #endregion Agents
-
-        #region Objects
-
-        /// <summary>
-        /// Create an object in the destination region. This message is used primarily for prim crossing.
-        /// </summary>
-        /// <param name="regionHandle"></param>
-        /// <param name="sog"></param>
-        /// <param name="isLocalCall"></param>
-        /// <returns></returns>
-        bool SendCreateObject(ulong regionHandle, SceneObjectGroup sog, bool isLocalCall);
-
-        /// <summary>
-        /// Create an object from the user's inventory in the destination region. 
-        /// This message is used primarily by clients.
-        /// </summary>
-        /// <param name="regionHandle"></param>
-        /// <param name="userID"></param>
-        /// <param name="itemID"></param>
-        /// <returns></returns>
-        bool SendCreateObject(ulong regionHandle, UUID userID, UUID itemID);
-
-        #endregion Objects
-
-    }
-
-    // This may not be needed, but having it here for now.
-    public interface IInterregionCommsIn
-    {
-        event ChildAgentUpdateReceived OnChildAgentUpdate;
-    }
-
-}
diff --git a/OpenSim/Region/Framework/Interfaces/IInventoryAccessModule.cs b/OpenSim/Region/Framework/Interfaces/IInventoryAccessModule.cs
index 3576e35..6bad018 100644
--- a/OpenSim/Region/Framework/Interfaces/IInventoryAccessModule.cs
+++ b/OpenSim/Region/Framework/Interfaces/IInventoryAccessModule.cs
@@ -38,7 +38,9 @@ namespace OpenSim.Region.Framework.Interfaces
     public interface IInventoryAccessModule
     {
         UUID CapsUpdateInventoryItemAsset(IClientAPI remoteClient, UUID itemID, byte[] data);
-        
+
+        bool UpdateInventoryItemAsset(UUID ownerID, InventoryItemBase item, AssetBase asset);
+
         /// <summary>
         /// Copy objects to a user's inventory.
         /// </summary>
diff --git a/OpenSim/Region/Framework/Interfaces/IInventoryArchiverModule.cs b/OpenSim/Region/Framework/Interfaces/IInventoryArchiverModule.cs
index ddf7565..37e20c3 100644
--- a/OpenSim/Region/Framework/Interfaces/IInventoryArchiverModule.cs
+++ b/OpenSim/Region/Framework/Interfaces/IInventoryArchiverModule.cs
@@ -29,6 +29,7 @@ using System;
 using System.Collections.Generic;
 using System.IO;
 using OpenSim.Services.Interfaces;
+using OpenMetaverse;
 
 namespace OpenSim.Region.Framework.Interfaces
 {
@@ -41,8 +42,24 @@ namespace OpenSim.Region.Framework.Interfaces
     /// <param name="invPath">The inventory path saved</param>
     /// <param name="savePath">The stream to which the archive was saved</param>
     /// <param name="reportedException">Contains the exception generated if the save did not succeed</param>
+    /// <param name="saveCount">Number of inventory items saved to archive</param>
+    /// <param name="filterCount">Number of inventory items skipped due to perm filter option</param>
     public delegate void InventoryArchiveSaved(
-        Guid id, bool succeeded, UserAccount userInfo, string invPath, Stream saveStream, Exception reportedException);
+        UUID id, bool succeeded, UserAccount userInfo, string invPath, Stream saveStream, Exception reportedException, int saveCount, int filterCount);
+
+    /// <summary>
+    /// Used for the OnInventoryArchiveLoaded event.
+    /// </summary>
+    /// <param name="id">Request id</param>
+    /// <param name="succeeded">true if the load succeeded, false otherwise</param>
+    /// <param name="userInfo">The user for whom the load was conducted</param>
+    /// <param name="invPath">The inventory path loaded</param>
+    /// <param name="savePath">The stream from which the archive was loaded</param>
+    /// <param name="reportedException">Contains the exception generated if the load did not succeed</param>
+    /// <param name="loadCount">Number of inventory items loaded from archive</param>
+    public delegate void InventoryArchiveLoaded(
+        UUID id, bool succeeded, UserAccount userInfo, string invPath, Stream loadStream, Exception reportedException, int loadCount);
+
 
     public interface IInventoryArchiverModule
     {
@@ -52,6 +69,11 @@ namespace OpenSim.Region.Framework.Interfaces
         event InventoryArchiveSaved OnInventoryArchiveSaved;
 
         /// <summary>
+        /// Fired when an archive inventory load has been completed.
+        /// </summary>
+        event InventoryArchiveLoaded OnInventoryArchiveLoaded;
+
+        /// <summary>
         /// Dearchive a user's inventory folder from the given stream
         /// </summary>
         /// <param name="firstName"></param>
@@ -59,7 +81,7 @@ namespace OpenSim.Region.Framework.Interfaces
         /// <param name="invPath">The inventory path in which to place the loaded folders and items</param>
         /// <param name="loadStream">The stream from which the inventory archive will be loaded</param>
         /// <returns>true if the first stage of the operation succeeded, false otherwise</returns>
-        bool DearchiveInventory(string firstName, string lastName, string invPath, string pass, Stream loadStream);
+        bool DearchiveInventory(UUID id, string firstName, string lastName, string invPath, string pass, Stream loadStream);
 
         /// <summary>
         /// Dearchive a user's inventory folder from the given stream
@@ -72,7 +94,7 @@ namespace OpenSim.Region.Framework.Interfaces
         /// the loaded IAR with existing folders where possible.</param>
         /// <returns>true if the first stage of the operation succeeded, false otherwise</returns>
         bool DearchiveInventory(
-            string firstName, string lastName, string invPath, string pass, Stream loadStream,
+            UUID id, string firstName, string lastName, string invPath, string pass, Stream loadStream,
             Dictionary<string, object> options);
 
         /// <summary>
@@ -84,7 +106,7 @@ namespace OpenSim.Region.Framework.Interfaces
         /// <param name="invPath">The inventory path from which the inventory should be saved.</param>
         /// <param name="saveStream">The stream to which the inventory archive will be saved</param>
         /// <returns>true if the first stage of the operation succeeded, false otherwise</returns>
-        bool ArchiveInventory(Guid id, string firstName, string lastName, string invPath, string pass, Stream saveStream);
+        bool ArchiveInventory(UUID id, string firstName, string lastName, string invPath, string pass, Stream saveStream);
 
         /// <summary>
         /// Archive a user's inventory folder to the given stream
@@ -97,7 +119,7 @@ namespace OpenSim.Region.Framework.Interfaces
         /// <param name="options">Archiving options.  Currently, there are none.</param>
         /// <returns>true if the first stage of the operation succeeded, false otherwise</returns>
         bool ArchiveInventory(
-            Guid id, string firstName, string lastName, string invPath, string pass, Stream saveStream,
+            UUID id, string firstName, string lastName, string invPath, string pass, Stream saveStream,
             Dictionary<string, object> options);
     }
 }
diff --git a/OpenSim/Region/Framework/Interfaces/IJ2KDecoder.cs b/OpenSim/Region/Framework/Interfaces/IJ2KDecoder.cs
index 46d03b3..1cbd045 100644
--- a/OpenSim/Region/Framework/Interfaces/IJ2KDecoder.cs
+++ b/OpenSim/Region/Framework/Interfaces/IJ2KDecoder.cs
@@ -1,4 +1,4 @@
-/*
+/*
  * Copyright (c) Contributors, http://opensimulator.org/
  * See CONTRIBUTORS.TXT for a full list of copyright holders.
  *
@@ -25,6 +25,7 @@
  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
+using System.Drawing;
 using OpenMetaverse;
 using OpenMetaverse.Imaging;
 
@@ -53,5 +54,12 @@ namespace OpenSim.Region.Framework.Interfaces
         /// <param name="components">number of components</param>
         /// <returns>true if decode was successful.  false otherwise.</returns>
         bool Decode(UUID assetID, byte[] j2kData, out OpenJPEG.J2KLayerInfo[] layers, out int components);
+
+        /// <summary>
+        /// Provides a synchronous decode direct to an image object
+        /// </summary>
+        /// <param name="j2kData"></param>
+        /// <returns>decoded image or 'null' of unsuccessful</returns>
+        Image DecodeToImage(byte[] j2kData);
     }
 }
diff --git a/OpenSim/Region/Framework/Interfaces/IJsonStoreModule.cs b/OpenSim/Region/Framework/Interfaces/IJsonStoreModule.cs
index da39e95..1a89721 100644
--- a/OpenSim/Region/Framework/Interfaces/IJsonStoreModule.cs
+++ b/OpenSim/Region/Framework/Interfaces/IJsonStoreModule.cs
@@ -31,18 +31,53 @@ using OpenMetaverse;
 
 namespace OpenSim.Region.Framework.Interfaces
 {
+    // these could be expanded at some point to provide more type information
+    // for now value accounts for all base types
+    public enum JsonStoreNodeType
+    {
+        Undefined = 0,
+        Object = 1,
+        Array = 2,
+        Value = 3
+    }
+    
+    public enum JsonStoreValueType
+    {
+        Undefined = 0,
+        Boolean = 1,
+        Integer = 2,
+        Float = 3,
+        String = 4,
+        UUID = 5
+    }
+    
+    public struct JsonStoreStats
+    {
+        public int StoreCount;
+    }
+
     public delegate void TakeValueCallback(string s);
 
     public interface IJsonStoreModule
     {
+        JsonStoreStats GetStoreStats();
+
+        bool AttachObjectStore(UUID objectID);
         bool CreateStore(string value, ref UUID result);
         bool DestroyStore(UUID storeID);
-        bool TestPath(UUID storeID, string path, bool useJson);
+
+        JsonStoreNodeType GetNodeType(UUID storeID, string path);
+        JsonStoreValueType GetValueType(UUID storeID, string path);
+
+        bool TestStore(UUID storeID);
+
         bool SetValue(UUID storeID, string path, string value, bool useJson);
         bool RemoveValue(UUID storeID, string path);
         bool GetValue(UUID storeID, string path, bool useJson, out string value);
 
         void TakeValue(UUID storeID, string path, bool useJson, TakeValueCallback cback);
         void ReadValue(UUID storeID, string path, bool useJson, TakeValueCallback cback);
+
+        int GetArrayLength(UUID storeID, string path);
     }
 }
diff --git a/OpenSim/Region/Framework/Interfaces/IMapImageUploadModule.cs b/OpenSim/Region/Framework/Interfaces/IMapImageUploadModule.cs
new file mode 100644
index 0000000..6a7d4a1
--- /dev/null
+++ b/OpenSim/Region/Framework/Interfaces/IMapImageUploadModule.cs
@@ -0,0 +1,37 @@
+/*
+ * Copyright (c) Contributors, http://opensimulator.org/
+ * See CONTRIBUTORS.TXT for a full list of copyright holders.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * Neither the name of the OpenSimulator Project nor the
+ *       names of its contributors may be used to endorse or promote products
+ *       derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+using System.Drawing;
+using OpenSim.Framework;
+
+namespace OpenSim.Region.Framework.Interfaces
+{
+    public interface IMapImageUploadModule
+    {
+        void UploadMapTile(IScene scene, Bitmap mapTile);
+    }
+}
\ No newline at end of file
diff --git a/OpenSim/Region/Framework/Interfaces/IMessageTransferModule.cs b/OpenSim/Region/Framework/Interfaces/IMessageTransferModule.cs
index b0b47a7..290b826 100644
--- a/OpenSim/Region/Framework/Interfaces/IMessageTransferModule.cs
+++ b/OpenSim/Region/Framework/Interfaces/IMessageTransferModule.cs
@@ -36,6 +36,26 @@ namespace OpenSim.Region.Framework.Interfaces
     {
         event UndeliveredMessage OnUndeliveredMessage;
 
+        /// <summary>
+        /// Attempt to send an instant message to a given destination.
+        /// </summary>
+        /// <remarks>
+        /// If the message cannot be delivered for any reason, this will be signalled on the OnUndeliveredMessage
+        /// event.  result(false) will also be called if the message cannot be delievered unless the type is
+        /// InstantMessageDialog.MessageFromAgent.  For successful message delivery, result(true) is called.
+        /// </remarks>
+        /// <param name="im"></param>
+        /// <param name="result"></param>
         void SendInstantMessage(GridInstantMessage im, MessageResultNotification result);
+
+        /// <summary>
+        /// Appropriately handle a known undeliverable message without attempting a send.
+        /// </summary>
+        /// <remarks>
+        /// Essentially, this invokes the OnUndeliveredMessage event.
+        /// </remarks>
+        /// <param name="im"></param>
+        /// <param name="result"></param>
+        void HandleUndeliverableMessage(GridInstantMessage im, MessageResultNotification result);
     }
 }
diff --git a/OpenSim/Region/Framework/Interfaces/INPCModule.cs b/OpenSim/Region/Framework/Interfaces/INPCModule.cs
index 9817cf7..478833e 100644
--- a/OpenSim/Region/Framework/Interfaces/INPCModule.cs
+++ b/OpenSim/Region/Framework/Interfaces/INPCModule.cs
@@ -72,6 +72,32 @@ namespace OpenSim.Region.Framework.Interfaces
                 AvatarAppearance appearance);
 
         /// <summary>
+        /// Create an NPC with a user-supplied agentID
+        /// </summary>
+        /// <param name="firstname"></param>
+        /// <param name="lastname"></param>
+        /// <param name="position"></param>
+        /// <param name="agentID"></param>
+        /// The desired agent ID
+        /// <param name="owner"></param>
+        /// <param name="senseAsAgent">
+        /// Make the NPC show up as an agent on LSL sensors. The default is
+        /// that they show up as the NPC type instead, but this is currently
+        /// an OpenSim-only extension.
+        /// </param>
+        /// <param name="scene"></param>
+        /// <param name="appearance">
+        /// The avatar appearance to use for the new NPC.
+        /// </param>
+        /// <returns>
+        /// The UUID of the ScenePresence created. UUID.Zero if there was a
+        /// failure.
+        /// </returns>
+        UUID CreateNPC(string firstname, string lastname,
+                Vector3 position, UUID agentID, UUID owner, bool senseAsAgent, Scene scene,
+                AvatarAppearance appearance);
+
+        /// <summary>
         /// Check if the agent is an NPC.
         /// </summary>
         /// <param name="agentID"></param>
@@ -96,6 +122,17 @@ namespace OpenSim.Region.Framework.Interfaces
         /// <summary>
         /// Check if the caller has permission to manipulate the given NPC.
         /// </summary>
+        /// <remarks>
+        /// A caller has permission if
+        ///   * An NPC exists with the given npcID.
+        ///   * The caller UUID given is UUID.Zero.
+        ///   * The avatar is unowned (owner is UUID.Zero).
+        ///   * The avatar is owned and the owner and callerID match.
+        ///   * The avatar is owned and the callerID matches its agentID.
+        /// </remarks>
+        /// <param name="av"></param>
+        /// <param name="callerID"></param>
+        /// <returns>true if they do, false if they don't.</returns>
         /// <param name="npcID"></param>
         /// <param name="callerID"></param>
         /// <returns>
diff --git a/OpenSim/Region/Framework/Interfaces/IRegionArchiverModule.cs b/OpenSim/Region/Framework/Interfaces/IRegionArchiverModule.cs
index 3fafc47..99bc87d 100644
--- a/OpenSim/Region/Framework/Interfaces/IRegionArchiverModule.cs
+++ b/OpenSim/Region/Framework/Interfaces/IRegionArchiverModule.cs
@@ -29,6 +29,8 @@ using System;
 using System.Collections.Generic;
 using System.IO;
 
+using OpenMetaverse;
+
 namespace OpenSim.Region.Framework.Interfaces
 {
     /// <summary>
@@ -100,16 +102,11 @@ namespace OpenSim.Region.Framework.Interfaces
         /// If you want notification of when it has completed then subscribe to the EventManager.OnOarFileLoaded event.
         /// 
         /// <param name="loadPath"></param>
-        /// <param name="merge">
-        /// If true, the loaded region merges with the existing one rather than replacing it.  Any terrain or region
-        /// settings in the archive will be ignored.
-        /// </param>
-        /// <param name="skipAssets">
-        /// If true, the archive is loaded without loading any assets contained within it.  This is useful if the
-        /// assets are already known to be present in the grid's asset service.
-        /// </param>
         /// <param name="requestId">If supplied, this request Id is later returned in the saved event</param>
-        void DearchiveRegion(string loadPath, bool merge, bool skipAssets, Guid requestId);
+        /// <param name="options">
+        /// Dictionary of options.
+        /// </param>
+        void DearchiveRegion(string loadPath, Guid requestId, Dictionary<string,object> options);
         
         /// <summary>
         /// Dearchive a region from a stream.  This replaces the existing scene. 
@@ -127,15 +124,10 @@ namespace OpenSim.Region.Framework.Interfaces
         /// If you want notification of when it has completed then subscribe to the EventManager.OnOarFileLoaded event.
         /// 
         /// <param name="loadStream"></param>
-        /// <param name="merge">
-        /// If true, the loaded region merges with the existing one rather than replacing it.  Any terrain or region
-        /// settings in the archive will be ignored.
-        /// </param>
-        /// <param name="skipAssets">
-        /// If true, the archive is loaded without loading any assets contained within it.  This is useful if the
-        /// assets are already known to be present in the grid's asset service.
-        /// </param
         /// <param name="requestId">If supplied, this request Id is later returned in the saved event</param>
-        void DearchiveRegion(Stream loadStream, bool merge, bool skipAssets, Guid requestId);
+        /// <param name="options">
+        /// Dictionary of options.
+        /// </param>
+        void DearchiveRegion(Stream loadStream, Guid requestId, Dictionary<string,object> options);
     }
 }
diff --git a/OpenSim/Region/Framework/Interfaces/IRegionCombinerModule.cs b/OpenSim/Region/Framework/Interfaces/IRegionCombinerModule.cs
index e03ac5a..c6f531e 100644
--- a/OpenSim/Region/Framework/Interfaces/IRegionCombinerModule.cs
+++ b/OpenSim/Region/Framework/Interfaces/IRegionCombinerModule.cs
@@ -55,5 +55,10 @@ namespace OpenSim.Region.Framework.Interfaces
         /// Currently, will throw an exception if this does not match a root region.
         /// </param>
         Vector2 GetSizeOfMegaregion(UUID regionId);
+
+        /// <summary>
+        /// Tests to see of position (relative to the region) is within the megaregion
+        /// </summary>
+        bool PositionIsInMegaregion(UUID currentRegion, int xx, int yy);
     }
 }
\ No newline at end of file
diff --git a/OpenSim/Region/Framework/Interfaces/IRegionModuleBase.cs b/OpenSim/Region/Framework/Interfaces/IRegionModuleBase.cs
index 9b1e4ca..2089bce 100644
--- a/OpenSim/Region/Framework/Interfaces/IRegionModuleBase.cs
+++ b/OpenSim/Region/Framework/Interfaces/IRegionModuleBase.cs
@@ -32,6 +32,7 @@ using OpenSim.Region.Framework.Scenes;
 
 namespace OpenSim.Region.Framework.Interfaces
 {
+    [TypeExtensionPoint(Path = "/OpenSim/RegionModules", NodeName="RegionModule")]
     public interface IRegionModuleBase
     {
         /// <value>
diff --git a/OpenSim/Region/Framework/Interfaces/IScriptModule.cs b/OpenSim/Region/Framework/Interfaces/IScriptModule.cs
index 143af48..ced4e91 100644
--- a/OpenSim/Region/Framework/Interfaces/IScriptModule.cs
+++ b/OpenSim/Region/Framework/Interfaces/IScriptModule.cs
@@ -52,7 +52,18 @@ namespace OpenSim.Region.Framework.Interfaces
         string GetXMLState(UUID itemID);
         bool SetXMLState(UUID itemID, string xml);
 
+        /// <summary>
+        /// Post a script event to a single script.
+        /// </summary>
+        /// <returns>true if the post suceeded, false if it did not</returns>
+        /// <param name='itemID'>The item ID of the script.</param>
+        /// <param name='name'>The name of the event.</param>
+        /// <param name='args'>
+        /// The arguments of the event.  These are in the order in which they appear.
+        /// e.g. for http_request this will be an object array of key request_id, string method, string body
+        /// </param>
         bool PostScriptEvent(UUID itemID, string name, Object[] args);
+
         bool PostObjectEvent(UUID itemID, string name, Object[] args);
 
         /// <summary>
diff --git a/OpenSim/Region/Framework/Interfaces/IServiceThrottleModule.cs b/OpenSim/Region/Framework/Interfaces/IServiceThrottleModule.cs
new file mode 100644
index 0000000..198256f
--- /dev/null
+++ b/OpenSim/Region/Framework/Interfaces/IServiceThrottleModule.cs
@@ -0,0 +1,19 @@
+using System;
+using System.Collections.Generic;
+
+namespace OpenSim.Region.Framework.Interfaces
+{
+    public interface IServiceThrottleModule
+    {
+        /// <summary>
+        /// Enqueue a continuation meant to get a resource from elsewhere.
+        /// As usual with CPS, caller beware: if that continuation is a never-ending computation,
+        /// the whole thread will be blocked, and no requests are processed
+        /// </summary>
+        /// <param name="category">Category of the resource (e.g. name, region)</param>
+        /// <param name="itemid">The resource identifier</param>
+        /// <param name="continuation">The continuation to be executed</param>
+        void Enqueue(string category, string itemid, Action continuation);
+    }
+
+}
diff --git a/OpenSim/Region/Framework/Interfaces/ISimulationDataService.cs b/OpenSim/Region/Framework/Interfaces/ISimulationDataService.cs
index 085b5ca..8948f04 100644
--- a/OpenSim/Region/Framework/Interfaces/ISimulationDataService.cs
+++ b/OpenSim/Region/Framework/Interfaces/ISimulationDataService.cs
@@ -68,13 +68,22 @@ namespace OpenSim.Region.Framework.Interfaces
         /// </summary>
         /// <param name="ter">HeightField data</param>
         /// <param name="regionID">region UUID</param>
+        void StoreTerrain(TerrainData terrain, UUID regionID);
+
+        // Legacy version kept for downward compabibility
         void StoreTerrain(double[,] terrain, UUID regionID);
 
         /// <summary>
         /// Load the latest terrain revision from region storage
         /// </summary>
         /// <param name="regionID">the region UUID</param>
+        /// <param name="sizeX">the X dimension of the region being filled</param>
+        /// <param name="sizeY">the Y dimension of the region being filled</param>
+        /// <param name="sizeZ">the Z dimension of the region being filled</param>
         /// <returns>Heightfield data</returns>
+        TerrainData LoadTerrain(UUID regionID, int pSizeX, int pSizeY, int pSizeZ);
+
+        // Legacy version kept for downward compabibility
         double[,] LoadTerrain(UUID regionID);
 
         void StoreLandObject(ILandObject Parcel);
diff --git a/OpenSim/Region/Framework/Interfaces/ISimulationDataStore.cs b/OpenSim/Region/Framework/Interfaces/ISimulationDataStore.cs
index 3787ca0..917b5d1 100644
--- a/OpenSim/Region/Framework/Interfaces/ISimulationDataStore.cs
+++ b/OpenSim/Region/Framework/Interfaces/ISimulationDataStore.cs
@@ -79,13 +79,22 @@ namespace OpenSim.Region.Framework.Interfaces
         /// </summary>
         /// <param name="ter">HeightField data</param>
         /// <param name="regionID">region UUID</param>
+        void StoreTerrain(TerrainData terrain, UUID regionID);
+
+        // Legacy version kept for downward compabibility
         void StoreTerrain(double[,] terrain, UUID regionID);
         
         /// <summary>
         /// Load the latest terrain revision from region storage
         /// </summary>
         /// <param name="regionID">the region UUID</param>
+        /// <param name="pSizeX">the X dimension of the terrain being filled</param>
+        /// <param name="pSizeY">the Y dimension of the terrain being filled</param>
+        /// <param name="pSizeZ">the Z dimension of the terrain being filled</param>
         /// <returns>Heightfield data</returns>
+        TerrainData LoadTerrain(UUID regionID, int pSizeX, int pSizeY, int pSizeZ);
+
+        // Legacy version kept for downward compabibility
         double[,] LoadTerrain(UUID regionID);
 
         void StoreLandObject(ILandObject Parcel);
@@ -135,4 +144,5 @@ namespace OpenSim.Region.Framework.Interfaces
 
         void Shutdown();
     }
+
 }
diff --git a/OpenSim/Region/Framework/Interfaces/ISimulatorFeaturesModule.cs b/OpenSim/Region/Framework/Interfaces/ISimulatorFeaturesModule.cs
index 8cef14e..6effcc1 100644
--- a/OpenSim/Region/Framework/Interfaces/ISimulatorFeaturesModule.cs
+++ b/OpenSim/Region/Framework/Interfaces/ISimulatorFeaturesModule.cs
@@ -26,18 +26,22 @@
  */
 
 using System;
+using OpenMetaverse;
 using OpenMetaverse.StructuredData;
 
 namespace OpenSim.Region.Framework.Interfaces
 {
+    public delegate void SimulatorFeaturesRequestDelegate(UUID agentID, ref OSDMap features);
+
     /// <summary>
     /// Add remove or retrieve Simulator Features that will be given to a viewer via the SimulatorFeatures capability.
     /// </summary>
     public interface ISimulatorFeaturesModule
     {
+        event SimulatorFeaturesRequestDelegate OnSimulatorFeaturesRequest;
         void AddFeature(string name, OSD value);
         bool RemoveFeature(string name);
         bool TryGetFeature(string name, out OSD value);
         OSDMap GetFeatures();
     }
-}
\ No newline at end of file
+}
diff --git a/OpenSim/Region/Framework/Interfaces/ISoundModule.cs b/OpenSim/Region/Framework/Interfaces/ISoundModule.cs
index 68af492..8372ddd 100644
--- a/OpenSim/Region/Framework/Interfaces/ISoundModule.cs
+++ b/OpenSim/Region/Framework/Interfaces/ISoundModule.cs
@@ -104,7 +104,6 @@ namespace OpenSim.Region.Framework.Interfaces
         /// <param name="sound">Sound asset ID</param>
         /// <param name="volume">Sound volume</param>
         /// <param name="triggered">Triggered or not.</param>
-        /// <param name="flags"></param>
         /// <param name="radius">Sound radius</param>
         /// <param name="useMaster">Play using sound master</param>
         /// <param name="isMaster">Play as sound master</param>
@@ -123,5 +122,12 @@ namespace OpenSim.Region.Framework.Interfaces
         /// <param name="max">AABB top north-east corner</param>
         void TriggerSoundLimited(UUID objectID, UUID sound, double volume,
                 Vector3 min, Vector3 max);
+
+        /// <summary>
+        /// Set whether sounds on the given prim should be queued.
+        /// </summary>
+        /// <param name='objectID'></param>
+        /// <param name='shouldQueue'></param>
+        void SetSoundQueueing(UUID objectID, bool shouldQueue);
     }
 }
\ No newline at end of file
diff --git a/OpenSim/Region/Framework/Interfaces/ITerrainChannel.cs b/OpenSim/Region/Framework/Interfaces/ITerrainChannel.cs
index e467701..f660b8d 100644
--- a/OpenSim/Region/Framework/Interfaces/ITerrainChannel.cs
+++ b/OpenSim/Region/Framework/Interfaces/ITerrainChannel.cs
@@ -25,13 +25,23 @@
  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
+using OpenSim.Framework;
+using OpenMetaverse;
+
 namespace OpenSim.Region.Framework.Interfaces
 {
     public interface ITerrainChannel
     {
-        int Height { get; }
+        int Width { get;}       // X dimension
+        int Height { get;}      // Y dimension
+        int Altitude { get;}    // Z dimension
+
         double this[int x, int y] { get; set; }
-        int Width { get; }
+
+        float GetHeightAtXYZ(float x, float y, float z);
+
+        // Return the packaged terrain data for passing into lower levels of communication
+        TerrainData GetTerrainData();
 
         /// <summary>
         /// Squash the entire heightmap into a single dimensioned array
@@ -40,9 +50,14 @@ namespace OpenSim.Region.Framework.Interfaces
         float[] GetFloatsSerialised();
 
         double[,] GetDoubles();
+
+        // Check if a location has been updated. Clears the taint flag as a side effect.
         bool Tainted(int x, int y);
+
         ITerrainChannel MakeCopy();
         string SaveToXmlString();
         void LoadFromXmlString(string data);
+        // Merge some terrain into this channel
+        void Merge(ITerrainChannel newTerrain, Vector3 displacement, float radianRotation, Vector2 rotationDisplacement);
     }
 }
diff --git a/OpenSim/Region/Framework/Interfaces/ITerrainModule.cs b/OpenSim/Region/Framework/Interfaces/ITerrainModule.cs
index 5947afb..28f797a 100644
--- a/OpenSim/Region/Framework/Interfaces/ITerrainModule.cs
+++ b/OpenSim/Region/Framework/Interfaces/ITerrainModule.cs
@@ -24,9 +24,10 @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
+using System.IO;
 
+using OpenSim.Framework;
 
-using System.IO;
 using OpenMetaverse;
 
 namespace OpenSim.Region.Framework.Interfaces
@@ -44,6 +45,12 @@ namespace OpenSim.Region.Framework.Interfaces
         void TaintTerrain();
         
         /// <summary>
+        /// When a client initially connects, all the terrain must be pushed to the viewer.
+        /// This call causes all the terrain patches to be sent to the client.
+        /// </summary>
+        void PushTerrain(IClientAPI pClient);
+        
+        /// <summary>
         /// Load a terrain from a stream.
         /// </summary>
         /// <param name="filename">
@@ -51,6 +58,7 @@ namespace OpenSim.Region.Framework.Interfaces
         /// </param>
         /// <param name="stream"></param>
         void LoadFromStream(string filename, Stream stream);
+        void LoadFromStream(string filename, Vector3 displacement, float radianRotation, Vector2 rotationDisplacement, Stream stream);
         void LoadFromStream(string filename, System.Uri pathToTerrainHeightmap);
         /// <summary>
         /// Save a terrain to a stream.
diff --git a/OpenSim/Region/Framework/Interfaces/IWindModelPlugin.cs b/OpenSim/Region/Framework/Interfaces/IWindModelPlugin.cs
index b087c8b..16b6024 100644
--- a/OpenSim/Region/Framework/Interfaces/IWindModelPlugin.cs
+++ b/OpenSim/Region/Framework/Interfaces/IWindModelPlugin.cs
@@ -33,8 +33,11 @@ using OpenSim.Framework;
 using OpenMetaverse;
 using OpenSim.Region.Framework.Scenes;
 
+using Mono.Addins;
+
 namespace OpenSim.Region.Framework.Interfaces
 {
+    [TypeExtensionPoint(Path = "/OpenSim/WindModule", NodeName = "WindModel")]
     public interface IWindModelPlugin : IPlugin
     {
         /// <summary>
diff --git a/OpenSim/Region/Framework/Interfaces/IWorldMapModule.cs b/OpenSim/Region/Framework/Interfaces/IWorldMapModule.cs
index 65c57a6..9c781e1 100644
--- a/OpenSim/Region/Framework/Interfaces/IWorldMapModule.cs
+++ b/OpenSim/Region/Framework/Interfaces/IWorldMapModule.cs
@@ -24,6 +24,9 @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
+using System.Collections.Generic;
+using OpenSim.Framework;
+using OpenSim.Services.Interfaces;
 
 namespace OpenSim.Region.Framework.Interfaces
 {
@@ -33,5 +36,7 @@ namespace OpenSim.Region.Framework.Interfaces
         /// Generate a map tile for the scene. a terrain texture for this scene
         /// </summary>
         void GenerateMaptile();
+        List<MapBlockData> Map2BlockFromGridRegion(GridRegion r, uint flag);
+        MapBlockData MapBlockFromGridRegion(GridRegion r, uint flag);
     }
 }
diff --git a/OpenSim/Region/Framework/Properties/AssemblyInfo.cs b/OpenSim/Region/Framework/Properties/AssemblyInfo.cs
index 9b504c0..e5a3a4c 100644
--- a/OpenSim/Region/Framework/Properties/AssemblyInfo.cs
+++ b/OpenSim/Region/Framework/Properties/AssemblyInfo.cs
@@ -1,6 +1,7 @@
 using System.Reflection;
 using System.Runtime.CompilerServices;
 using System.Runtime.InteropServices;
+using Mono.Addins;
 
 // General Information about an assembly is controlled through the following 
 // set of attributes. Change these attribute values to modify the information
@@ -22,6 +23,7 @@ using System.Runtime.InteropServices;
 // The following GUID is for the ID of the typelib if this project is exposed to COM
 [assembly: Guid("d25e7aed-7f55-4bb8-9970-0d7d978ea8a5")]
 
+
 // Version information for an assembly consists of the following four values:
 //
 //      Major Version
@@ -29,5 +31,6 @@ using System.Runtime.InteropServices;
 //      Build Number
 //      Revision
 //
-[assembly: AssemblyVersion("0.7.5.*")]
-[assembly: AssemblyFileVersion("1.0.0.0")]
+[assembly: AssemblyVersion("0.8.3.*")]
+[assembly: AddinRoot("OpenSim.Region.Framework", OpenSim.VersionInfo.VersionNumber)]
+
diff --git a/OpenSim/Region/Framework/Scenes/Animation/AnimationSet.cs b/OpenSim/Region/Framework/Scenes/Animation/AnimationSet.cs
index 66edfed..eb1a970 100644
--- a/OpenSim/Region/Framework/Scenes/Animation/AnimationSet.cs
+++ b/OpenSim/Region/Framework/Scenes/Animation/AnimationSet.cs
@@ -28,8 +28,11 @@
 using System;
 using System.Collections.Generic;
 using System.Reflection;
+using System.Text;
 using log4net;
 using OpenMetaverse;
+using OpenMetaverse.StructuredData;
+
 using OpenSim.Framework;
 
 using Animation = OpenSim.Framework.Animation;
@@ -60,6 +63,12 @@ namespace OpenSim.Region.Framework.Scenes.Animation
             ResetDefaultAnimation();
         }
 
+        public AnimationSet(OSDArray pArray)
+        {
+            ResetDefaultAnimation();
+            FromOSDArray(pArray);
+        }
+
         public bool HasAnimation(UUID animID)
         {
             if (m_defaultAnimation.AnimID == animID)
@@ -218,5 +227,115 @@ namespace OpenSim.Region.Framework.Scenes.Animation
             foreach (OpenSim.Framework.Animation anim in theArray)
                 m_animations.Add(anim);
         }
+
+        // Create representation of this AnimationSet as an OSDArray.
+        // First two entries in the array are the default and implicitDefault animations
+        //    followed by the other animations.
+        public OSDArray ToOSDArray()
+        {
+            OSDArray ret = new OSDArray();
+            ret.Add(DefaultAnimation.PackUpdateMessage());
+            ret.Add(ImplicitDefaultAnimation.PackUpdateMessage());
+
+            foreach (OpenSim.Framework.Animation anim in m_animations)
+                ret.Add(anim.PackUpdateMessage());
+
+            return ret;
+        }
+
+        public void FromOSDArray(OSDArray pArray)
+        {
+            this.Clear();
+
+            if (pArray.Count >= 1)
+            {
+                m_defaultAnimation = new OpenSim.Framework.Animation((OSDMap)pArray[0]);
+            }
+            if (pArray.Count >= 2)
+            {
+                m_implicitDefaultAnimation = new OpenSim.Framework.Animation((OSDMap)pArray[1]);
+            }
+            for (int ii = 2; ii < pArray.Count; ii++)
+            {
+                m_animations.Add(new OpenSim.Framework.Animation((OSDMap)pArray[ii]));
+            }
+        }
+
+        // Compare two AnimationSets and return 'true' if the default animations are the same
+        //     and all of the animations in the list are equal.
+        public override bool Equals(object obj)
+        {
+            AnimationSet other = obj as AnimationSet;
+            if (other != null)
+            {
+                if (this.DefaultAnimation.Equals(other.DefaultAnimation)
+                    && this.ImplicitDefaultAnimation.Equals(other.ImplicitDefaultAnimation))
+                {
+                    // The defaults are the same. Is the list of animations the same?
+                    OpenSim.Framework.Animation[] thisAnims = this.ToArray();
+                    OpenSim.Framework.Animation[] otherAnims = other.ToArray();
+                    if (thisAnims.Length == 0 && otherAnims.Length == 0)
+                        return true;    // the common case
+                    if (thisAnims.Length == otherAnims.Length)
+                    {
+                        // Do this the hard way but since the list is usually short this won't take long.
+                        foreach (OpenSim.Framework.Animation thisAnim in thisAnims)
+                        {
+                            bool found = false;
+                            foreach (OpenSim.Framework.Animation otherAnim in otherAnims)
+                            {
+                                if (thisAnim.Equals(otherAnim))
+                                {
+                                    found = true;
+                                    break;
+                                }
+                            }
+                            if (!found)
+                            {
+                                // If anything is not in the other list, these are not equal
+                                return false;
+                            }
+                        }
+                        // Found everything in the other list. Since lists are equal length, they must be equal.
+                        return true;
+                    }
+                }
+                return false;
+            }
+            // Don't know what was passed, but the base system will figure it out for me.
+            return base.Equals(obj);
+        }
+
+        public override int GetHashCode()
+        {
+            return base.GetHashCode();
+        }
+
+        public override string ToString()
+        {
+            StringBuilder buff = new StringBuilder();
+            buff.Append("dflt=");
+            buff.Append(DefaultAnimation.ToString());
+            buff.Append(",iDflt=");
+            if (DefaultAnimation.Equals(ImplicitDefaultAnimation))
+                buff.Append("same");
+            else
+                buff.Append(ImplicitDefaultAnimation.ToString());
+            if (m_animations.Count > 0)
+            {
+                buff.Append(",anims=");
+                bool firstTime = true;
+                foreach (OpenSim.Framework.Animation anim in m_animations)
+                {
+                    if (!firstTime)
+                        buff.Append(",");
+                    buff.Append("<");
+                    buff.Append(anim.ToString());
+                    buff.Append(">");
+                    firstTime = false;
+                }
+            }
+            return buff.ToString();
+        }
     }
 }
diff --git a/OpenSim/Region/Framework/Scenes/Animation/BinBVHAnimation.cs b/OpenSim/Region/Framework/Scenes/Animation/BinBVHAnimation.cs
index 3afc87f..b3b38b2 100644
--- a/OpenSim/Region/Framework/Scenes/Animation/BinBVHAnimation.cs
+++ b/OpenSim/Region/Framework/Scenes/Animation/BinBVHAnimation.cs
@@ -1,4 +1,4 @@
-/*
+/*
  * Copyright (c) Contributors, http://opensimulator.org/
  * See CONTRIBUTORS.TXT for a full list of copyright holders.
  *
@@ -113,31 +113,34 @@ namespace OpenSim.Region.Framework.Scenes.Animation
 
         public byte[] ToBytes()
         {
-            byte[] outputbytes = new byte[0];
+            byte[] outputbytes;
 
-            BinaryWriter iostream = new BinaryWriter(new MemoryStream());
-            iostream.Write(BinBVHUtil.ES(Utils.UInt16ToBytes(unknown0)));
-            iostream.Write(BinBVHUtil.ES(Utils.UInt16ToBytes(unknown1)));
-            iostream.Write(BinBVHUtil.ES(Utils.IntToBytes(Priority)));
-            iostream.Write(BinBVHUtil.ES(Utils.FloatToBytes(Length)));
-            iostream.Write(BinBVHUtil.WriteNullTerminatedString(ExpressionName));
-            iostream.Write(BinBVHUtil.ES(Utils.FloatToBytes(InPoint)));
-            iostream.Write(BinBVHUtil.ES(Utils.FloatToBytes(OutPoint)));
-            iostream.Write(BinBVHUtil.ES(Utils.IntToBytes(Loop ? 1 : 0)));
-            iostream.Write(BinBVHUtil.ES(Utils.FloatToBytes(EaseInTime)));
-            iostream.Write(BinBVHUtil.ES(Utils.FloatToBytes(EaseOutTime)));
-            iostream.Write(BinBVHUtil.ES(Utils.UIntToBytes(HandPose)));
-            iostream.Write(BinBVHUtil.ES(Utils.UIntToBytes((uint)(Joints.Length))));
-            
-            for (int i = 0; i < Joints.Length; i++)
+            using (MemoryStream ms = new MemoryStream())
+            using (BinaryWriter iostream = new BinaryWriter(ms))
             {
-                Joints[i].WriteBytesToStream(iostream, InPoint, OutPoint);
+                iostream.Write(BinBVHUtil.ES(Utils.UInt16ToBytes(unknown0)));
+                iostream.Write(BinBVHUtil.ES(Utils.UInt16ToBytes(unknown1)));
+                iostream.Write(BinBVHUtil.ES(Utils.IntToBytes(Priority)));
+                iostream.Write(BinBVHUtil.ES(Utils.FloatToBytes(Length)));
+                iostream.Write(BinBVHUtil.WriteNullTerminatedString(ExpressionName));
+                iostream.Write(BinBVHUtil.ES(Utils.FloatToBytes(InPoint)));
+                iostream.Write(BinBVHUtil.ES(Utils.FloatToBytes(OutPoint)));
+                iostream.Write(BinBVHUtil.ES(Utils.IntToBytes(Loop ? 1 : 0)));
+                iostream.Write(BinBVHUtil.ES(Utils.FloatToBytes(EaseInTime)));
+                iostream.Write(BinBVHUtil.ES(Utils.FloatToBytes(EaseOutTime)));
+                iostream.Write(BinBVHUtil.ES(Utils.UIntToBytes(HandPose)));
+                iostream.Write(BinBVHUtil.ES(Utils.UIntToBytes((uint)(Joints.Length))));
+
+                for (int i = 0; i < Joints.Length; i++)
+                {
+                    Joints[i].WriteBytesToStream(iostream, InPoint, OutPoint);
+                }
+                iostream.Write(BinBVHUtil.ES(Utils.IntToBytes(0)));
+            
+                using (MemoryStream ms2 = (MemoryStream)iostream.BaseStream)
+                    outputbytes = ms2.ToArray();
             }
-            iostream.Write(BinBVHUtil.ES(Utils.IntToBytes(0)));
-            MemoryStream ms = (MemoryStream)iostream.BaseStream;
-            outputbytes = ms.ToArray();
-            ms.Close();
-            iostream.Close();
+
             return outputbytes;
         }
         
diff --git a/OpenSim/Region/Framework/Scenes/Animation/DefaultAvatarAnimations.cs b/OpenSim/Region/Framework/Scenes/Animation/DefaultAvatarAnimations.cs
index c2b0468..b79dd8f 100644
--- a/OpenSim/Region/Framework/Scenes/Animation/DefaultAvatarAnimations.cs
+++ b/OpenSim/Region/Framework/Scenes/Animation/DefaultAvatarAnimations.cs
@@ -104,5 +104,31 @@ namespace OpenSim.Region.Framework.Scenes.Animation
 
             return UUID.Zero;
         }
+
+        /// <summary>
+        /// Get the name of the animation given a UUID. If there is no matching animation
+        ///    return the UUID as a string.
+        /// </summary>
+        public static string GetDefaultAnimationName(UUID uuid)
+        {
+            string ret = "unknown";
+            if (AnimsUUID.ContainsValue(uuid))
+            {
+                foreach (KeyValuePair<string, UUID> kvp in AnimsUUID)
+                {
+                    if (kvp.Value == uuid)
+                    {
+                        ret = kvp.Key;
+                        break;
+                    }
+                }
+            }
+            else
+            {
+                ret = uuid.ToString();
+            }
+
+            return ret;
+        }
     }
 }
\ No newline at end of file
diff --git a/OpenSim/Region/Framework/Scenes/Animation/ScenePresenceAnimator.cs b/OpenSim/Region/Framework/Scenes/Animation/ScenePresenceAnimator.cs
index e92a087..6d51029 100644
--- a/OpenSim/Region/Framework/Scenes/Animation/ScenePresenceAnimator.cs
+++ b/OpenSim/Region/Framework/Scenes/Animation/ScenePresenceAnimator.cs
@@ -35,7 +35,7 @@ using OpenMetaverse;
 using OpenSim.Framework;
 using OpenSim.Region.Framework.Interfaces;
 using OpenSim.Region.Framework.Scenes;
-using OpenSim.Region.Physics.Manager;
+using OpenSim.Region.PhysicsModules.SharedBase;
 
 namespace OpenSim.Region.Framework.Scenes.Animation
 {
@@ -92,7 +92,10 @@ namespace OpenSim.Region.Framework.Scenes.Animation
                     GetAnimName(animID), animID, m_scenePresence.Name);
 
             if (m_animations.Add(animID, m_scenePresence.ControllingClient.NextAnimationSequenceNumber, objectID))
+            {
                 SendAnimPack();
+                m_scenePresence.TriggerScenePresenceUpdated();
+            }
         }
 
         // Called from scripts
@@ -131,7 +134,10 @@ namespace OpenSim.Region.Framework.Scenes.Animation
                     GetAnimName(animID), animID, m_scenePresence.Name);
 
             if (m_animations.Remove(animID, allowNoDefault))
+            {
                 SendAnimPack();
+                m_scenePresence.TriggerScenePresenceUpdated();
+            }
         }
 
         // Called from scripts
@@ -163,8 +169,10 @@ namespace OpenSim.Region.Framework.Scenes.Animation
         /// The movement animation is reserved for "main" animations
         /// that are mutually exclusive, e.g. flying and sitting.
         /// </summary>
-        public void TrySetMovementAnimation(string anim)
+        /// <returns>'true' if the animation was updated</returns>
+        public bool TrySetMovementAnimation(string anim)
         {
+            bool ret = false;
             if (!m_scenePresence.IsChildAgent)
             {
 //                m_log.DebugFormat(
@@ -181,6 +189,7 @@ namespace OpenSim.Region.Framework.Scenes.Animation
                     // 16384 is CHANGED_ANIMATION
                     m_scenePresence.SendScriptEventToAttachments("changed", new Object[] { (int)Changed.ANIMATION});
                     SendAnimPack();
+                    ret = true;
                 }
             }
             else
@@ -189,6 +198,7 @@ namespace OpenSim.Region.Framework.Scenes.Animation
                     "[SCENE PRESENCE ANIMATOR]: Tried to set movement animation {0} on child presence {1}",
                     anim, m_scenePresence.Name);
             }
+            return ret;
         }
 
         /// <summary>
@@ -393,11 +403,18 @@ namespace OpenSim.Region.Framework.Scenes.Animation
                 Falling = false;
                 // Walking / crouchwalking / running
                 if (move.Z < 0f)
+                {
                     return "CROUCHWALK";
-                else if (m_scenePresence.SetAlwaysRun)
-                    return "RUN";
-                else
-                    return "WALK";
+                }
+                // We need to prevent these animations if the user tries to make their avatar walk or run whilst
+                // specifying AGENT_CONTROL_STOP (pressing down space on viewers).
+                else if (!m_scenePresence.AgentControlStopActive)
+                {
+                    if (m_scenePresence.SetAlwaysRun)
+                        return "RUN";
+                    else
+                        return "WALK";
+                }
             }
             else if (!m_jumping)
             {
@@ -422,8 +439,12 @@ namespace OpenSim.Region.Framework.Scenes.Animation
         /// <summary>
         /// Update the movement animation of this avatar according to its current state
         /// </summary>
-        public void UpdateMovementAnimations()
+        /// <returns>'true' if the animation was changed</returns>
+        public bool UpdateMovementAnimations()
         {
+//            m_log.DebugFormat("[SCENE PRESENCE ANIMATOR]: Updating movement animations for {0}", m_scenePresence.Name);
+
+            bool ret = false;
             lock (m_animations)
             {
                 string newMovementAnimation = DetermineMovementAnimation();
@@ -437,9 +458,10 @@ namespace OpenSim.Region.Framework.Scenes.Animation
 
                     // Only set it if it's actually changed, give a script
                     // a chance to stop a default animation
-                    TrySetMovementAnimation(CurrentMovementAnimation);
+                    ret = TrySetMovementAnimation(CurrentMovementAnimation);
                 }
             }
+            return ret;
         }
 
         public UUID[] GetAnimationArray()
diff --git a/OpenSim/Region/Framework/Scenes/AsyncSceneObjectGroupDeleter.cs b/OpenSim/Region/Framework/Scenes/AsyncSceneObjectGroupDeleter.cs
index f555b49..11a0146 100644
--- a/OpenSim/Region/Framework/Scenes/AsyncSceneObjectGroupDeleter.cs
+++ b/OpenSim/Region/Framework/Scenes/AsyncSceneObjectGroupDeleter.cs
@@ -104,14 +104,8 @@ namespace OpenSim.Region.Framework.Scenes
             // better than losing the object for now.
             if (permissionToDelete)
             {
-                List<uint> killIDs = new List<uint>();
-
                 foreach (SceneObjectGroup g in objectGroups)
-                {   killIDs.Add(g.LocalId);
-                    g.DeleteGroupFromScene(true);
-                }
-
-                m_scene.SendKillObject(killIDs);
+                    g.DeleteGroupFromScene(false);
             }
         }
         
@@ -160,7 +154,7 @@ namespace OpenSim.Region.Framework.Scenes
                             if (x.permissionToDelete)
                             {
                                 foreach (SceneObjectGroup g in x.objectGroups)
-                                    m_scene.DeleteSceneObject(g, false);
+                                    m_scene.DeleteSceneObject(g, true);
                             }
                         }
                         catch (Exception e)
diff --git a/OpenSim/Region/Framework/Scenes/Border.cs b/OpenSim/Region/Framework/Scenes/Border.cs
index c6a6511..08c0c31 100644
--- a/OpenSim/Region/Framework/Scenes/Border.cs
+++ b/OpenSim/Region/Framework/Scenes/Border.cs
@@ -33,8 +33,7 @@ using OpenMetaverse;
 namespace OpenSim.Region.Framework.Scenes
 {
     public class Border
-    {
-        
+    {       
         /// <summary>
         /// Line perpendicular to the Direction Cardinal.  Z value is the 
         /// </summary>
@@ -81,6 +80,10 @@ namespace OpenSim.Region.Framework.Scenes
             TriggerRegionY = triggerRegionY;
         }
 
+        /// <summary>
+        /// Tests to see if the given position would cross this border.
+        /// </summary>
+        /// <returns></returns>
         public bool TestCross(Vector3 position)
         {
             bool result = false;
diff --git a/OpenSim/Region/Framework/Scenes/EventManager.cs b/OpenSim/Region/Framework/Scenes/EventManager.cs
index 4c49b71..97b9482 100644
--- a/OpenSim/Region/Framework/Scenes/EventManager.cs
+++ b/OpenSim/Region/Framework/Scenes/EventManager.cs
@@ -144,7 +144,7 @@ namespace OpenSim.Region.Framework.Scenes
         /// Triggered when a new presence is added to the scene
         /// </summary>
         /// <remarks>
-        /// Triggered in <see cref="OpenSim.Region.Framework.Scenes.Scene.AddNewClient"/> which is used by both
+        /// Triggered in <see cref="OpenSim.Region.Framework.Scenes.Scene.AddNewAgent"/> which is used by both
         /// <see cref="OpenSim.Framework.PresenceType.User">users</see> and <see cref="OpenSim.Framework.PresenceType.Npc">NPCs</see>
         /// </remarks>
         public event OnNewPresenceDelegate OnNewPresence;
@@ -155,7 +155,7 @@ namespace OpenSim.Region.Framework.Scenes
         /// Triggered when a presence is removed from the scene
         /// </summary>
         /// <remarks>
-        /// Triggered in <see cref="OpenSim.Region.Framework.Scenes.Scene.AddNewClient"/> which is used by both
+        /// Triggered in <see cref="OpenSim.Region.Framework.Scenes.Scene.AddNewAgent"/> which is used by both
         /// <see cref="OpenSim.Framework.PresenceType.User">users</see> and <see cref="OpenSim.Framework.PresenceType.Npc">NPCs</see>
         /// 
         /// Triggered under per-agent lock.  So if you want to perform any long-running operations, please
@@ -339,6 +339,8 @@ namespace OpenSim.Region.Framework.Scenes
         /// in <see cref="Scene.SetScriptRunning"/>
         /// via <see cref="OpenSim.Framework.IClientAPI.OnSetScriptRunning"/>,
         /// via <see cref="OpenSim.Region.ClientStack.LindenUDP.HandleSetScriptRunning"/>
+        /// XXX: This is only triggered when it is the client that starts the script, not in other situations where
+        /// a script is started, unlike OnStopScript!
         /// </remarks>
         public event StartScript OnStartScript;
 
@@ -352,6 +354,7 @@ namespace OpenSim.Region.Framework.Scenes
         /// in <see cref="SceneObjectPartInventory.CreateScriptInstance"/>,
         /// <see cref="SceneObjectPartInventory.StopScriptInstance"/>,
         /// <see cref="Scene.SetScriptRunning"/>
+        /// XXX: This is triggered when a sciprt is stopped for any reason, unlike OnStartScript!
         /// </remarks>
         public event StopScript OnStopScript;
 
@@ -427,6 +430,9 @@ namespace OpenSim.Region.Framework.Scenes
         public delegate void IncomingInstantMessage(GridInstantMessage message);
         public event IncomingInstantMessage OnIncomingInstantMessage;
 
+        public delegate void CrossAgentToNewRegion(ScenePresence sp, bool isFlying, GridRegion newRegion);
+        public event CrossAgentToNewRegion OnCrossAgentToNewRegion;
+
         public event IncomingInstantMessage OnUnhandledInstantMessage;
 
         public delegate void ClientClosed(UUID clientID, Scene scene);
@@ -546,6 +552,20 @@ namespace OpenSim.Region.Framework.Scenes
         /// </remarks>
         public event ScriptControlEvent OnScriptControlEvent;
 
+        public delegate void ScriptMovingStartEvent(uint localID);
+
+        /// <summary>
+        /// TODO: Should be triggered when a physics object starts moving.
+        /// </summary>
+        public event ScriptMovingStartEvent OnScriptMovingStartEvent;
+   
+        public delegate void ScriptMovingEndEvent(uint localID);
+
+        /// <summary>
+        /// TODO: Should be triggered when a physics object stops moving.
+        /// </summary>
+        public event ScriptMovingEndEvent OnScriptMovingEndEvent;
+
         public delegate void ScriptAtTargetEvent(uint localID, uint handle, Vector3 targetpos, Vector3 atpos);
 
         /// <summary>
@@ -612,8 +632,8 @@ namespace OpenSim.Region.Framework.Scenes
         /// Triggered by <see cref="TriggerScriptCollidingStart"/>
         /// in <see cref="SceneObjectPart.SendCollisionEvent"/>
         /// via <see cref="SceneObjectPart.PhysicsCollision"/>
-        /// via <see cref="OpenSim.Region.Physics.Manager.PhysicsActor.OnCollisionUpdate"/>
-        /// via <see cref="OpenSim.Region.Physics.Manager.PhysicsActor.SendCollisionUpdate"/>
+        /// via <see cref="OpenSim.Region.PhysicsModule.SharedBase.PhysicsActor.OnCollisionUpdate"/>
+        /// via <see cref="OpenSim.Region.PhysicsModule.SharedBase.PhysicsActor.SendCollisionUpdate"/>
         /// </remarks>
         public event ScriptColliding OnScriptColliderStart;
 
@@ -626,8 +646,8 @@ namespace OpenSim.Region.Framework.Scenes
         /// Triggered by <see cref="TriggerScriptColliding"/>
         /// in <see cref="SceneObjectPart.SendCollisionEvent"/>
         /// via <see cref="SceneObjectPart.PhysicsCollision"/>
-        /// via <see cref="OpenSim.Region.Physics.Manager.PhysicsActor.OnCollisionUpdate"/>
-        /// via <see cref="OpenSim.Region.Physics.Manager.PhysicsActor.SendCollisionUpdate"/>
+        /// via <see cref="OpenSim.Region.PhysicsModule.SharedBase.PhysicsActor.OnCollisionUpdate"/>
+        /// via <see cref="OpenSim.Region.PhysicsModule.SharedBase.PhysicsActor.SendCollisionUpdate"/>
         /// </remarks>
         public event ScriptColliding OnScriptColliding;
 
@@ -639,8 +659,8 @@ namespace OpenSim.Region.Framework.Scenes
         /// Triggered by <see cref="TriggerScriptCollidingEnd"/>
         /// in <see cref="SceneObjectPart.SendCollisionEvent"/>
         /// via <see cref="SceneObjectPart.PhysicsCollision"/>
-        /// via <see cref="OpenSim.Region.Physics.Manager.PhysicsActor.OnCollisionUpdate"/>
-        /// via <see cref="OpenSim.Region.Physics.Manager.PhysicsActor.SendCollisionUpdate"/>
+        /// via <see cref="OpenSim.Region.PhysicsModule.SharedBase.PhysicsActor.OnCollisionUpdate"/>
+        /// via <see cref="OpenSim.Region.PhysicsModule.SharedBase.PhysicsActor.SendCollisionUpdate"/>
         /// </remarks>
         public event ScriptColliding OnScriptCollidingEnd;
 
@@ -652,8 +672,8 @@ namespace OpenSim.Region.Framework.Scenes
         /// Triggered by <see cref="TriggerScriptLandCollidingStart"/>
         /// in <see cref="SceneObjectPart.SendLandCollisionEvent"/>
         /// via <see cref="SceneObjectPart.PhysicsCollision"/>
-        /// via <see cref="OpenSim.Region.Physics.Manager.PhysicsActor.OnCollisionUpdate"/>
-        /// via <see cref="OpenSim.Region.Physics.Manager.PhysicsActor.SendCollisionUpdate"/>
+        /// via <see cref="OpenSim.Region.PhysicsModule.SharedBase.PhysicsActor.OnCollisionUpdate"/>
+        /// via <see cref="OpenSim.Region.PhysicsModule.SharedBase.PhysicsActor.SendCollisionUpdate"/>
         /// </remarks>
         public event ScriptColliding OnScriptLandColliderStart;
 
@@ -665,8 +685,8 @@ namespace OpenSim.Region.Framework.Scenes
         /// Triggered by <see cref="TriggerScriptLandColliding"/>
         /// in <see cref="SceneObjectPart.SendLandCollisionEvent"/>
         /// via <see cref="SceneObjectPart.PhysicsCollision"/>
-        /// via <see cref="OpenSim.Region.Physics.Manager.PhysicsActor.OnCollisionUpdate"/>
-        /// via <see cref="OpenSim.Region.Physics.Manager.PhysicsActor.SendCollisionUpdate"/>
+        /// via <see cref="OpenSim.Region.PhysicsModule.SharedBase.PhysicsActor.OnCollisionUpdate"/>
+        /// via <see cref="OpenSim.Region.PhysicsModule.SharedBase.PhysicsActor.SendCollisionUpdate"/>
         /// </remarks>
         public event ScriptColliding OnScriptLandColliding;
 
@@ -678,8 +698,8 @@ namespace OpenSim.Region.Framework.Scenes
         /// Triggered by <see cref="TriggerScriptLandCollidingEnd"/>
         /// in <see cref="SceneObjectPart.SendLandCollisionEvent"/>
         /// via <see cref="SceneObjectPart.PhysicsCollision"/>
-        /// via <see cref="OpenSim.Region.Physics.Manager.PhysicsActor.OnCollisionUpdate"/>
-        /// via <see cref="OpenSim.Region.Physics.Manager.PhysicsActor.SendCollisionUpdate"/>
+        /// via <see cref="OpenSim.Region.PhysicsModule.SharedBase.PhysicsActor.OnCollisionUpdate"/>
+        /// via <see cref="OpenSim.Region.PhysicsModule.SharedBase.PhysicsActor.SendCollisionUpdate"/>
         /// </remarks>
         public event ScriptColliding OnScriptLandColliderEnd;
 
@@ -725,7 +745,7 @@ namespace OpenSim.Region.Framework.Scenes
         public event OnIncomingSceneObjectDelegate OnIncomingSceneObject;
         public delegate void OnIncomingSceneObjectDelegate(SceneObjectGroup so);
 
-        public delegate void NewInventoryItemUploadComplete(UUID avatarID, UUID assetID, string name, int userlevel);
+        public delegate void NewInventoryItemUploadComplete(UUID avatarID, AssetType type, UUID assetID, string name, int userlevel);
 
         public event NewInventoryItemUploadComplete OnNewInventoryItemUploadComplete;
 
@@ -751,7 +771,7 @@ namespace OpenSim.Region.Framework.Scenes
         public event ScriptTimerEvent OnScriptTimerEvent;
          */
 
-        public delegate void EstateToolsSunUpdate(ulong regionHandle, bool FixedTime, bool EstateSun, float LindenHour);
+        public delegate void EstateToolsSunUpdate(ulong regionHandle);
         public delegate void GetScriptRunning(IClientAPI controllingClient, UUID objectID, UUID itemID);
 
         public event EstateToolsSunUpdate OnEstateToolsSunUpdate;
@@ -766,12 +786,20 @@ namespace OpenSim.Region.Framework.Scenes
         /// <see cref="Scene.doObjectDuplicateOnRay"/>
         /// </remarks>
         public event Action<SceneObjectGroup> OnObjectAddedToScene;
-
+        
         /// <summary>
-        /// Delegate for <see cref="OnObjectBeingRemovedFromScene"/>
+        ///  When a client sends a derez request for an object inworld
+        ///  but before the object is deleted
         /// </summary>
-        /// <param name="obj">The object being removed from the scene</param>
-        public delegate void ObjectBeingRemovedFromScene(SceneObjectGroup obj);
+        public event DeRezRequested OnDeRezRequested;
+        /// <summary>
+        /// Triggered when a client sends a derez request for an object inworld
+        /// </summary>
+        /// <param name="remoteClient">The client question (it can be null)</param>
+        /// <param name="obj">The object in question</param>
+        /// <param name="action">The exact derez action</param>
+        /// <returns>Flag indicating whether the object should be deleted from the scene or not</returns>
+        public delegate bool DeRezRequested(IClientAPI remoteClient, List<SceneObjectGroup> objs, DeRezAction action);
 
         /// <summary>
         /// Triggered when an object is removed from the scene.
@@ -781,6 +809,24 @@ namespace OpenSim.Region.Framework.Scenes
         /// in <see cref="Scene.DeleteSceneObject"/>
         /// </remarks>
         public event ObjectBeingRemovedFromScene OnObjectBeingRemovedFromScene;
+        /// <summary>
+        /// Delegate for <see cref="OnObjectBeingRemovedFromScene"/>
+        /// </summary>
+        /// <param name="obj">The object being removed from the scene</param>
+        public delegate void ObjectBeingRemovedFromScene(SceneObjectGroup obj);
+
+        /// <summary>
+        /// Triggered when an object is placed into the physical scene (PhysicsActor created).
+        /// </summary>
+        public event Action<SceneObjectPart> OnObjectAddedToPhysicalScene;
+        /// <summary>
+        /// Triggered when an object is removed from the physical scene (PhysicsActor destroyed).
+        /// </summary>
+        /// <remarks>
+        /// Note: this is triggered just before the PhysicsActor is removed from the
+        /// physics engine so the receiver can do any necessary cleanup before its destruction.
+        /// </remarks>
+        public event Action<SceneObjectPart> OnObjectRemovedFromPhysicalScene;
 
         public delegate void NoticeNoLandDataFromStorage();
         public event NoticeNoLandDataFromStorage OnNoticeNoLandDataFromStorage;
@@ -939,6 +985,8 @@ namespace OpenSim.Region.Framework.Scenes
         public delegate void RegionStarted(Scene scene);
         public event RegionStarted OnRegionStarted;
 
+        public delegate void RegionHeartbeatStart(Scene scene);
+        public event RegionHeartbeatStart OnRegionHeartbeatStart;
         public delegate void RegionHeartbeatEnd(Scene scene);
         public event RegionHeartbeatEnd OnRegionHeartbeatEnd;
 
@@ -989,6 +1037,16 @@ namespace OpenSim.Region.Framework.Scenes
         /// </remarks>
         public event TeleportFail OnTeleportFail;
 
+//        public delegate void GatherUuids(SceneObjectPart sop, IDictionary<UUID, AssetType> assetUuids);
+//
+//        /// <summary>
+//        /// Triggered when UUIDs referenced by a scene object are being gathered for archiving, hg transfer, etc.
+//        /// </summary>
+//        /// <remarks>
+//        /// The listener should add references to the IDictionary<UUID, AssetType> as appropriate.
+//        /// </remarks>
+//        public event GatherUuids OnGatherUuids;
+
         public class MoneyTransferArgs : EventArgs
         {
             public UUID sender;
@@ -1060,7 +1118,7 @@ namespace OpenSim.Region.Framework.Scenes
         /// Triggered in <see cref="OpenSim.Region.Framework.Scenes.Scene.ProcessMoneyTransferRequest"/>
         /// via <see cref="OpenSim.Region.Framework.Scenes.Scene.SubscribeToClientGridEvents"/>
         /// via <see cref="OpenSim.Region.Framework.Scenes.Scene.SubscribeToClientEvents"/>
-        /// via <see cref="OpenSim.Region.Framework.Scenes.Scene.AddNewClient"/>
+        /// via <see cref="OpenSim.Region.Framework.Scenes.Scene.AddNewAgent"/>
         /// </remarks>
         public event MoneyTransferEvent OnMoneyTransfer;
 
@@ -1476,8 +1534,33 @@ namespace OpenSim.Region.Framework.Scenes
                     }
                 }
             }
-        }        
-        
+        }
+
+        public bool TriggerDeRezRequested(IClientAPI client, List<SceneObjectGroup> objs, DeRezAction action)
+        {
+            bool canDeRez = true;
+
+            DeRezRequested handlerDeRezRequested = OnDeRezRequested;
+            if (handlerDeRezRequested != null)
+            {
+                foreach (DeRezRequested d in handlerDeRezRequested.GetInvocationList())
+                {
+                    try
+                    {
+                        canDeRez &= d(client, objs, action);
+                    }
+                    catch (Exception e)
+                    {
+                        m_log.ErrorFormat(
+                            "[EVENT MANAGER]: Delegate for TriggerDeRezRequested failed - continuing.  {0} {1}",
+                            e.Message, e.StackTrace);
+                    }
+                }
+            }
+
+            return canDeRez;
+        }
+
         public void TriggerObjectBeingRemovedFromScene(SceneObjectGroup obj)
         {
             ObjectBeingRemovedFromScene handlerObjectBeingRemovedFromScene = OnObjectBeingRemovedFromScene;
@@ -1499,6 +1582,48 @@ namespace OpenSim.Region.Framework.Scenes
             }
         }
 
+        public void TriggerObjectAddedToPhysicalScene(SceneObjectPart obj)
+        {
+            Action<SceneObjectPart> handler = OnObjectAddedToPhysicalScene;
+            if (handler != null)
+            {
+                foreach (Action<SceneObjectPart> d in handler.GetInvocationList())
+                {
+                    try
+                    {
+                        d(obj);
+                    }
+                    catch (Exception e)
+                    {
+                        m_log.ErrorFormat(
+                            "[EVENT MANAGER]: Delegate for TriggerObjectAddedToPhysicalScene failed - continuing.  {0} {1}", 
+                            e.Message, e.StackTrace);
+                    }
+                }
+            }
+        }
+
+        public void TriggerObjectRemovedFromPhysicalScene(SceneObjectPart obj)
+        {
+            Action<SceneObjectPart> handler = OnObjectRemovedFromPhysicalScene;
+            if (handler != null)
+            {
+                foreach (Action<SceneObjectPart> d in handler.GetInvocationList())
+                {
+                    try
+                    {
+                        d(obj);
+                    }
+                    catch (Exception e)
+                    {
+                        m_log.ErrorFormat(
+                            "[EVENT MANAGER]: Delegate for TriggerObjectRemovedFromPhysicalScene failed - continuing.  {0} {1}", 
+                            e.Message, e.StackTrace);
+                    }
+                }
+            }
+        }
+
         public void TriggerShutdown()
         {
             Action handlerShutdown = OnShutdown;
@@ -1876,6 +2001,27 @@ namespace OpenSim.Region.Framework.Scenes
             }
         }
 
+        public void TriggerCrossAgentToNewRegion(ScenePresence agent, bool isFlying, GridRegion newRegion)
+        {
+            CrossAgentToNewRegion handlerCrossAgentToNewRegion = OnCrossAgentToNewRegion;
+            if (handlerCrossAgentToNewRegion != null)
+            {
+                foreach (CrossAgentToNewRegion d in handlerCrossAgentToNewRegion.GetInvocationList())
+                {
+                    try
+                    {
+                        d(agent, isFlying, newRegion);
+                    }
+                    catch (Exception e)
+                    {
+                        m_log.ErrorFormat(
+                            "[EVENT MANAGER]: Delegate for TriggerCrossAgentToNewRegion failed - continuing.  {0} {1}",
+                            e.Message, e.StackTrace);
+                    }
+                }
+            }
+        }
+
         public void TriggerIncomingInstantMessage(GridInstantMessage message)
         {
             IncomingInstantMessage handlerIncomingInstantMessage = OnIncomingInstantMessage;
@@ -2062,7 +2208,7 @@ namespace OpenSim.Region.Framework.Scenes
             }
         }
 
-        public void TriggerOnNewInventoryItemUploadComplete(UUID agentID, UUID AssetID, String AssetName, int userlevel)
+        public void TriggerOnNewInventoryItemUploadComplete(UUID agentID, AssetType type, UUID AssetID, String AssetName, int userlevel)
         {
             NewInventoryItemUploadComplete handlerNewInventoryItemUpdateComplete = OnNewInventoryItemUploadComplete;
             if (handlerNewInventoryItemUpdateComplete != null)
@@ -2071,7 +2217,7 @@ namespace OpenSim.Region.Framework.Scenes
                 {
                     try
                     {
-                        d(agentID, AssetID, AssetName, userlevel);
+                        d(agentID, type, AssetID, AssetName, userlevel);
                     }
                     catch (Exception e)
                     {
@@ -2209,6 +2355,48 @@ namespace OpenSim.Region.Framework.Scenes
             }
         }
 
+        public void TriggerMovingStartEvent(uint localID)
+        {
+            ScriptMovingStartEvent handlerScriptMovingStartEvent = OnScriptMovingStartEvent;
+            if (handlerScriptMovingStartEvent != null)
+            {
+                foreach (ScriptMovingStartEvent d in handlerScriptMovingStartEvent.GetInvocationList())
+                {
+                    try
+                    {
+                        d(localID);
+                    }
+                    catch (Exception e)
+                    {
+                        m_log.ErrorFormat(
+                            "[EVENT MANAGER]: Delegate for TriggerMovingStartEvent failed - continuing.  {0} {1}",
+                            e.Message, e.StackTrace);
+                    }
+                }
+            }
+        }
+
+        public void TriggerMovingEndEvent(uint localID)
+        {
+            ScriptMovingEndEvent handlerScriptMovingEndEvent = OnScriptMovingEndEvent;
+            if (handlerScriptMovingEndEvent != null)
+            {
+                foreach (ScriptMovingEndEvent d in handlerScriptMovingEndEvent.GetInvocationList())
+                {
+                    try
+                    {
+                        d(localID);
+                    }
+                    catch (Exception e)
+                    {
+                        m_log.ErrorFormat(
+                            "[EVENT MANAGER]: Delegate for TriggerMovingEndEvent failed - continuing.  {0} {1}",
+                            e.Message, e.StackTrace);
+                    }
+                }
+            }
+        }
+
         public void TriggerRequestChangeWaterHeight(float height)
         {
             if (height < 0)
@@ -2507,13 +2695,10 @@ namespace OpenSim.Region.Framework.Scenes
         }
 
         /// <summary>
-        /// Updates the system as to how the position of the sun should be handled.
+        /// Called when the sun's position parameters have changed in the Region and/or Estate
         /// </summary>
-        /// <param name="regionHandle"></param>
-        /// <param name="FixedTime">True if the Sun Position is fixed</param>
-        /// <param name="useEstateTime">True if the Estate Settings should be used instead of region</param>
-        /// <param name="FixedSunHour">The hour 0.0 <= FixedSunHour <= 24.0 at which the sun is fixed at. Sun Hour 0 is sun-rise, when Day/Night ratio is 1:1</param>
-        public void TriggerEstateToolsSunUpdate(ulong regionHandle, bool FixedTime, bool useEstateTime, float FixedSunHour)
+        /// <param name="regionHandle">The region that changed</param>
+        public void TriggerEstateToolsSunUpdate(ulong regionHandle)
         {
             EstateToolsSunUpdate handlerEstateToolsSunUpdate = OnEstateToolsSunUpdate;
             if (handlerEstateToolsSunUpdate != null)
@@ -2522,7 +2707,7 @@ namespace OpenSim.Region.Framework.Scenes
                 {
                     try
                     {
-                        d(regionHandle, FixedTime, useEstateTime, FixedSunHour);
+                        d(regionHandle);
                     }
                     catch (Exception e)
                     {
@@ -2957,6 +3142,27 @@ namespace OpenSim.Region.Framework.Scenes
             }
         }
 
+        public void TriggerRegionHeartbeatStart(Scene scene)
+        {
+            RegionHeartbeatStart handler = OnRegionHeartbeatStart;
+
+            if (handler != null)
+            {
+                foreach (RegionHeartbeatStart d in handler.GetInvocationList())
+                {
+                    try
+                    {
+                        d(scene);
+                    }
+                    catch (Exception e)
+                    {
+                        m_log.ErrorFormat("[EVENT MANAGER]: Delegate for OnRegionHeartbeatStart failed - continuing {0} - {1}",
+                            e.Message, e.StackTrace);
+                    }
+                }
+            }
+        }
+
         public void TriggerRegionHeartbeatEnd(Scene scene)
         {
             RegionHeartbeatEnd handler = OnRegionHeartbeatEnd;
@@ -3103,5 +3309,26 @@ namespace OpenSim.Region.Framework.Scenes
                 }
             }
         }
+
+//        public void TriggerGatherUuids(SceneObjectPart sop, IDictionary<UUID, AssetType> assetUuids)
+//        {
+//            GatherUuids handler = OnGatherUuids;
+//
+//            if (handler != null)
+//            {
+//                foreach (GatherUuids d in handler.GetInvocationList())
+//                {
+//                    try
+//                    {
+//                        d(sop, assetUuids);
+//                    }
+//                    catch (Exception e)
+//                    {
+//                        m_log.ErrorFormat("[EVENT MANAGER]: Delegate for TriggerUuidGather failed - continuing {0} - {1}",
+//                            e.Message, e.StackTrace);
+//                    }
+//                }
+//            }
+//        }
     }
 }
diff --git a/OpenSim/Region/Framework/Scenes/KeyframeMotion.cs b/OpenSim/Region/Framework/Scenes/KeyframeMotion.cs
new file mode 100644
index 0000000..bbf3b51
--- /dev/null
+++ b/OpenSim/Region/Framework/Scenes/KeyframeMotion.cs
@@ -0,0 +1,829 @@
+/*
+ * Copyright (c) Contributors, http://opensimulator.org/
+ * See CONTRIBUTORS.TXT for a full list of copyright holders.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * Neither the name of the OpenSimulator Project nor the
+ *       names of its contributors may be used to endorse or promote products
+ *       derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+using System;
+using System.Timers;
+using System.Collections;
+using System.Collections.Generic;
+using System.IO;
+using System.Diagnostics;
+using System.Reflection;
+using System.Threading;
+using OpenMetaverse;
+using OpenSim.Framework;
+using OpenSim.Region.Framework.Interfaces;
+using OpenSim.Region.PhysicsModules.SharedBase;
+using OpenSim.Region.Framework.Scenes.Serialization;
+using System.Runtime.Serialization.Formatters.Binary;
+using System.Runtime.Serialization;
+using Timer = System.Timers.Timer;
+using log4net;
+
+namespace OpenSim.Region.Framework.Scenes
+{
+    public class KeyframeTimer
+    {
+        private static Dictionary<Scene, KeyframeTimer> m_timers =
+                new Dictionary<Scene, KeyframeTimer>();
+
+        private Timer m_timer;
+        private Dictionary<KeyframeMotion, object> m_motions = new Dictionary<KeyframeMotion, object>();
+        private object m_lockObject = new object();
+        private object m_timerLock = new object();
+        private const double m_tickDuration = 50.0;
+
+        public double TickDuration
+        {
+            get { return m_tickDuration; }
+        }
+
+        public KeyframeTimer(Scene scene)
+        {
+            m_timer = new Timer();
+            m_timer.Interval = TickDuration;
+            m_timer.AutoReset = true;
+            m_timer.Elapsed += OnTimer;
+        }
+
+        public void Start()
+        {
+            lock (m_timer)
+            {
+                if (!m_timer.Enabled)
+                    m_timer.Start();
+            }
+        }
+
+        private void OnTimer(object sender, ElapsedEventArgs ea)
+        {
+            if (!Monitor.TryEnter(m_timerLock))
+                return;
+
+            try
+            {
+                List<KeyframeMotion> motions;
+
+                lock (m_lockObject)
+                {
+                    motions = new List<KeyframeMotion>(m_motions.Keys);
+                }
+
+                foreach (KeyframeMotion m in motions)
+                {
+                    try
+                    {
+                        m.OnTimer(TickDuration);
+                    }
+                    catch (Exception)
+                    {
+                        // Don't stop processing
+                    }
+                }
+            }
+            catch (Exception)
+            {
+                // Keep running no matter what
+            }
+            finally
+            {
+                Monitor.Exit(m_timerLock);
+            }
+        }
+
+        public static void Add(KeyframeMotion motion)
+        {
+            KeyframeTimer timer;
+
+            if (motion.Scene == null)
+                return;
+
+            lock (m_timers)
+            {
+                if (!m_timers.TryGetValue(motion.Scene, out timer))
+                {
+                    timer = new KeyframeTimer(motion.Scene);
+                    m_timers[motion.Scene] = timer;
+
+                    if (!SceneManager.Instance.AllRegionsReady)
+                    {
+                        // Start the timers only once all the regions are ready. This is required
+                        // when using megaregions, because the megaregion is correctly configured
+                        // only after all the regions have been loaded. (If we don't do this then
+                        // when the prim moves it might think that it crossed into a region.)
+                        SceneManager.Instance.OnRegionsReadyStatusChange += delegate(SceneManager sm)
+                        {
+                            if (sm.AllRegionsReady)
+                                timer.Start();
+                        };
+                    }
+                    
+                    // Check again, in case the regions were started while we were adding the event handler
+                    if (SceneManager.Instance.AllRegionsReady)
+                    {
+                        timer.Start();
+                    }
+                }
+            }
+
+            lock (timer.m_lockObject)
+            {
+                timer.m_motions[motion] = null;
+            }
+        }
+
+        public static void Remove(KeyframeMotion motion)
+        {
+            KeyframeTimer timer;
+
+            if (motion.Scene == null)
+                return;
+
+            lock (m_timers)
+            {
+                if (!m_timers.TryGetValue(motion.Scene, out timer))
+                {
+                    return;
+                }
+            }
+
+            lock (timer.m_lockObject)
+            {
+                timer.m_motions.Remove(motion);
+            }
+        }
+    }
+
+    [Serializable]
+    public class KeyframeMotion
+    {
+        //private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
+
+        public enum PlayMode : int
+        {
+            Forward = 0,
+            Reverse = 1,
+            Loop = 2,
+            PingPong = 3
+        };
+
+        [Flags]
+        public enum DataFormat : int
+        {
+            Translation = 2,
+            Rotation = 1
+        }
+
+        [Serializable]
+        public struct Keyframe
+        {
+            public Vector3? Position;
+            public Quaternion? Rotation;
+            public Quaternion StartRotation;
+            public int TimeMS;
+            public int TimeTotal;
+            public Vector3 AngularVelocity;
+            public Vector3 StartPosition;
+        };
+
+        private Vector3 m_serializedPosition;
+        private Vector3 m_basePosition;
+        private Quaternion m_baseRotation;
+
+        private Keyframe m_currentFrame;
+
+        private List<Keyframe> m_frames = new List<Keyframe>();
+
+        private Keyframe[] m_keyframes;
+
+        // skip timer events.
+        //timer.stop doesn't assure there aren't event threads still being fired
+        [NonSerialized()]
+        private bool m_timerStopped;
+
+        [NonSerialized()]
+        private bool m_isCrossing;
+
+        [NonSerialized()]
+        private bool m_waitingCrossing;
+
+        // retry position for cross fail
+        [NonSerialized()]
+        private Vector3 m_nextPosition;
+
+        [NonSerialized()]
+        private SceneObjectGroup m_group;
+
+        private PlayMode m_mode = PlayMode.Forward;
+        private DataFormat m_data = DataFormat.Translation | DataFormat.Rotation;
+
+        private bool m_running = false;
+
+        [NonSerialized()]
+        private bool m_selected = false;
+
+        private int m_iterations = 0;
+
+        private int m_skipLoops = 0;
+
+        [NonSerialized()]
+        private Scene m_scene;
+
+        public Scene Scene
+        {
+            get { return m_scene; }
+        }
+
+        public DataFormat Data
+        {
+            get { return m_data; }
+        }
+
+        public bool Selected
+        {
+            set
+            {
+                if (m_group != null)
+                {
+                    if (!value)
+                    {
+                        // Once we're let go, recompute positions
+                        if (m_selected)
+                            UpdateSceneObject(m_group);
+                    }
+                    else
+                    {
+                        // Save selection position in case we get moved
+                        if (!m_selected)
+                        {
+                            StopTimer();
+                            m_serializedPosition = m_group.AbsolutePosition;
+                        }
+                    }
+                }
+                m_isCrossing = false;
+                m_waitingCrossing = false;
+                m_selected = value;
+            }
+        }
+
+        private void StartTimer()
+        {
+            KeyframeTimer.Add(this);
+            m_timerStopped = false;
+        }
+
+        private void StopTimer()
+        {
+            m_timerStopped = true;
+            KeyframeTimer.Remove(this);
+        }
+
+        public static KeyframeMotion FromData(SceneObjectGroup grp, Byte[] data)
+        {
+            KeyframeMotion newMotion = null;
+
+            try
+            {
+                using (MemoryStream ms = new MemoryStream(data))
+                {
+                    BinaryFormatter fmt = new BinaryFormatter();
+                    newMotion = (KeyframeMotion)fmt.Deserialize(ms);
+                }
+
+                newMotion.m_group = grp;
+
+                if (grp != null)
+                {
+                    newMotion.m_scene = grp.Scene;
+                    if (grp.IsSelected)
+                        newMotion.m_selected = true;
+                }
+
+                newMotion.m_timerStopped = false;
+                newMotion.m_running = true;
+                newMotion.m_isCrossing = false;
+                newMotion.m_waitingCrossing = false;
+            }
+            catch
+            {
+                newMotion = null;
+            }
+
+            return newMotion;
+        }
+
+        public void UpdateSceneObject(SceneObjectGroup grp)
+        {
+            m_isCrossing = false;
+            m_waitingCrossing = false;
+            StopTimer();
+
+            if (grp == null)
+                return;
+
+            m_group = grp;
+            m_scene = grp.Scene;
+
+            Vector3 grppos = grp.AbsolutePosition;
+            Vector3 offset = grppos - m_serializedPosition;
+            // avoid doing it more than once
+            // current this will happen dragging a prim to other region
+            m_serializedPosition = grppos;
+
+            m_basePosition += offset;
+            m_nextPosition += offset;
+            
+            m_currentFrame.StartPosition += offset;
+            m_currentFrame.Position += offset;
+
+            for (int i = 0; i < m_frames.Count; i++)
+            {
+                Keyframe k = m_frames[i];
+                k.StartPosition += offset;
+                k.Position += offset;
+                m_frames[i]=k;
+            }
+
+            if (m_running)
+                Start();
+        }
+
+        public KeyframeMotion(SceneObjectGroup grp, PlayMode mode, DataFormat data)
+        {
+            m_mode = mode;
+            m_data = data;
+
+            m_group = grp;
+            if (grp != null)
+            {
+                m_basePosition = grp.AbsolutePosition;
+                m_baseRotation = grp.GroupRotation;
+                m_scene = grp.Scene;
+            }
+
+            m_timerStopped = true;
+            m_isCrossing = false;
+            m_waitingCrossing = false;
+        }
+
+        public void SetKeyframes(Keyframe[] frames)
+        {
+            m_keyframes = frames;
+        }
+
+        public KeyframeMotion Copy(SceneObjectGroup newgrp)
+        {
+            StopTimer();
+
+            KeyframeMotion newmotion = new KeyframeMotion(null, m_mode, m_data);
+
+            newmotion.m_group = newgrp;
+            newmotion.m_scene = newgrp.Scene;
+
+            if (m_keyframes != null)
+            {
+                newmotion.m_keyframes = new Keyframe[m_keyframes.Length];
+                m_keyframes.CopyTo(newmotion.m_keyframes, 0);
+            }
+
+            newmotion.m_frames = new List<Keyframe>(m_frames);
+
+            newmotion.m_basePosition = m_basePosition;
+            newmotion.m_baseRotation = m_baseRotation;
+
+            if (m_selected)
+                newmotion.m_serializedPosition = m_serializedPosition;
+            else
+            {
+                if (m_group != null)
+                    newmotion.m_serializedPosition = m_group.AbsolutePosition;
+                else
+                    newmotion.m_serializedPosition = m_serializedPosition;
+            }
+
+            newmotion.m_currentFrame = m_currentFrame;
+
+            newmotion.m_iterations = m_iterations;
+            newmotion.m_running = m_running;
+
+            if (m_running && !m_waitingCrossing)
+                StartTimer();
+
+            return newmotion;
+        }
+
+        public void Delete()
+        {
+            m_running = false;
+            StopTimer();
+            m_isCrossing = false;
+            m_waitingCrossing = false;
+            m_frames.Clear();
+            m_keyframes = null;
+        }
+
+        public void Start()
+        {
+            m_isCrossing = false;
+            m_waitingCrossing = false;
+            if (m_keyframes != null && m_group != null && m_keyframes.Length > 0)
+            {
+                StartTimer();
+                m_running = true;
+                m_group.Scene.EventManager.TriggerMovingStartEvent(m_group.RootPart.LocalId);
+            }
+            else
+            {
+                m_running = false;
+                StopTimer();
+            }
+        }
+
+        public void Stop()
+        {
+            m_running = false;
+            m_isCrossing = false;
+            m_waitingCrossing = false;
+
+            StopTimer();
+
+            m_basePosition = m_group.AbsolutePosition;
+            m_baseRotation = m_group.GroupRotation;
+
+            m_group.RootPart.Velocity = Vector3.Zero;
+            m_group.RootPart.AngularVelocity = Vector3.Zero;
+            m_group.SendGroupRootTerseUpdate();
+//            m_group.RootPart.ScheduleTerseUpdate();
+            m_frames.Clear();
+        }
+
+        public void Pause()
+        {
+            m_running = false;
+            StopTimer();
+
+            m_group.RootPart.Velocity = Vector3.Zero;
+            m_group.RootPart.AngularVelocity = Vector3.Zero;
+            m_group.SendGroupRootTerseUpdate();
+//            m_group.RootPart.ScheduleTerseUpdate();
+
+        }
+
+        private void GetNextList()
+        {
+            m_frames.Clear();
+            Vector3 pos = m_basePosition;
+            Quaternion rot = m_baseRotation;
+
+            if (m_mode == PlayMode.Loop || m_mode == PlayMode.PingPong || m_iterations == 0)
+            {
+                int direction = 1;
+                if (m_mode == PlayMode.Reverse || ((m_mode == PlayMode.PingPong) && ((m_iterations & 1) != 0)))
+                    direction = -1;
+
+                int start = 0;
+                int end = m_keyframes.Length;
+
+                if (direction < 0)
+                {
+                    start = m_keyframes.Length - 1;
+                    end = -1;
+                }
+
+                for (int i = start; i != end ; i += direction)
+                {
+                    Keyframe k = m_keyframes[i];
+
+                    k.StartPosition = pos;
+                    if (k.Position.HasValue)
+                    {
+                        k.Position = (k.Position * direction);
+//                        k.Velocity = (Vector3)k.Position / (k.TimeMS / 1000.0f);
+                        k.Position += pos;
+                    }
+                    else
+                    {
+                        k.Position = pos;
+//                        k.Velocity = Vector3.Zero;
+                    }
+
+                    k.StartRotation = rot;
+                    if (k.Rotation.HasValue)
+                    {
+                        if (direction == -1)
+                            k.Rotation = Quaternion.Conjugate((Quaternion)k.Rotation);
+                        k.Rotation = rot * k.Rotation;
+                    }
+                    else
+                    {
+                        k.Rotation = rot;
+                    }
+
+/* ang vel not in use for now
+
+                    float angle = 0;
+
+                    float aa = k.StartRotation.X * k.StartRotation.X + k.StartRotation.Y * k.StartRotation.Y + k.StartRotation.Z * k.StartRotation.Z + k.StartRotation.W * k.StartRotation.W;
+                    float bb = ((Quaternion)k.Rotation).X * ((Quaternion)k.Rotation).X + ((Quaternion)k.Rotation).Y * ((Quaternion)k.Rotation).Y + ((Quaternion)k.Rotation).Z * ((Quaternion)k.Rotation).Z + ((Quaternion)k.Rotation).W * ((Quaternion)k.Rotation).W;
+                    float aa_bb = aa * bb;
+
+                    if (aa_bb == 0)
+                    {
+                        angle = 0;
+                    }
+                    else
+                    {
+                        float ab = k.StartRotation.X * ((Quaternion)k.Rotation).X +
+                                   k.StartRotation.Y * ((Quaternion)k.Rotation).Y +
+                                   k.StartRotation.Z * ((Quaternion)k.Rotation).Z +
+                                   k.StartRotation.W * ((Quaternion)k.Rotation).W;
+                        float q = (ab * ab) / aa_bb;
+
+                        if (q > 1.0f)
+                        {
+                            angle = 0;
+                        }
+                        else
+                        {
+                            angle = (float)Math.Acos(2 * q - 1);
+                        }
+                    }
+
+                    k.AngularVelocity = (new Vector3(0, 0, 1) * (Quaternion)k.Rotation) * (angle / (k.TimeMS / 1000));
+ */
+                    k.TimeTotal = k.TimeMS;
+
+                    m_frames.Add(k);
+
+                    pos = (Vector3)k.Position;
+                    rot = (Quaternion)k.Rotation;
+                }
+
+                m_basePosition = pos;
+                m_baseRotation = rot;
+
+                m_iterations++;
+            }
+        }
+
+        public void OnTimer(double tickDuration)
+        {
+            if (m_skipLoops > 0)
+            {
+                m_skipLoops--;
+                return;
+            }
+
+            if (m_timerStopped) // trap events still in air even after a timer.stop
+                return;
+
+            if (m_group == null)
+                return;
+
+            bool update = false;
+
+            if (m_selected)
+            {
+                if (m_group.RootPart.Velocity != Vector3.Zero)
+                {
+                    m_group.RootPart.Velocity = Vector3.Zero;
+                    m_group.SendGroupRootTerseUpdate();
+
+                }
+                return;
+            }
+
+            if (m_isCrossing)
+            {
+                // if crossing and timer running then cross failed
+                // wait some time then
+                // retry to set the position that evtually caused the outbound
+                // if still outside region this will call startCrossing below
+                m_isCrossing = false;
+                m_group.AbsolutePosition = m_nextPosition;
+                if (!m_isCrossing)
+                {
+                    StopTimer();
+                    StartTimer();
+                }
+                return;
+            }
+
+            if (m_frames.Count == 0)
+            {
+                if (!m_running) return;
+
+                GetNextList();
+
+                if (m_frames.Count == 0)
+                {
+                    Stop();
+//                    Scene scene = m_group.Scene;
+//
+//                    IScriptModule[] scriptModules = scene.RequestModuleInterfaces<IScriptModule>();
+//                    foreach (IScriptModule m in scriptModules)
+//                    {
+//                        if (m == null)
+//                            continue;
+//                        m.PostObjectEvent(m_group.RootPart.UUID, "moving_end", new object[0]);
+//                    }
+
+                    m_group.Scene.EventManager.TriggerMovingEndEvent(m_group.RootPart.LocalId);
+                        
+                    return;
+                }
+
+                m_currentFrame = m_frames[0];
+                m_currentFrame.TimeMS += (int)tickDuration;
+
+                //force a update on a keyframe transition
+                update = true;
+            }
+
+            m_currentFrame.TimeMS -= (int)tickDuration;
+
+            // Do the frame processing
+            double remainingSteps = (double)m_currentFrame.TimeMS / tickDuration;
+
+            if (remainingSteps <= 0.0)
+            {
+                m_group.RootPart.Velocity = Vector3.Zero;
+                m_group.RootPart.AngularVelocity = Vector3.Zero;
+
+                m_nextPosition = (Vector3)m_currentFrame.Position;
+                m_group.AbsolutePosition = m_nextPosition;
+
+                // we are sending imediate updates, no doing force a extra terseUpdate
+                // m_group.UpdateGroupRotationR((Quaternion)m_currentFrame.Rotation);
+
+                m_group.RootPart.RotationOffset = (Quaternion)m_currentFrame.Rotation;
+                m_frames.RemoveAt(0);
+                if (m_frames.Count > 0)
+                    m_currentFrame = m_frames[0];
+
+                update = true;
+            }
+            else
+            {
+                float completed = ((float)m_currentFrame.TimeTotal - (float)m_currentFrame.TimeMS) / (float)m_currentFrame.TimeTotal;
+                bool lastStep = m_currentFrame.TimeMS <= tickDuration;
+
+                Vector3 positionThisStep = m_currentFrame.StartPosition + (m_currentFrame.Position.Value - m_currentFrame.StartPosition) * completed;
+                Vector3 motionThisStep = positionThisStep - m_group.AbsolutePosition;
+
+                float mag = Vector3.Mag(motionThisStep);
+
+                if ((mag >= 0.02f) || lastStep)
+                {
+                    m_nextPosition = m_group.AbsolutePosition + motionThisStep;
+                    m_group.AbsolutePosition = m_nextPosition;
+                    update = true;
+                }
+
+                //int totalSteps = m_currentFrame.TimeTotal / (int)tickDuration;
+                //m_log.DebugFormat("KeyframeMotion.OnTimer: step {0}/{1}, curPosition={2}, finalPosition={3}, motionThisStep={4} (scene {5})",
+                //    totalSteps - remainingSteps + 1, totalSteps, m_group.AbsolutePosition, m_currentFrame.Position, motionThisStep, m_scene.RegionInfo.RegionName);
+
+                if ((Quaternion)m_currentFrame.Rotation != m_group.GroupRotation)
+                {
+                    Quaternion current = m_group.GroupRotation;
+
+                    Quaternion step = Quaternion.Slerp(m_currentFrame.StartRotation, (Quaternion)m_currentFrame.Rotation, completed);
+                    step.Normalize();
+/* use simpler change detection
+* float angle = 0;
+
+                    float aa = current.X * current.X + current.Y * current.Y + current.Z * current.Z + current.W * current.W;
+                    float bb = step.X * step.X + step.Y * step.Y + step.Z * step.Z + step.W * step.W;
+                    float aa_bb = aa * bb;
+
+                    if (aa_bb == 0)
+                    {
+                        angle = 0;
+                    }
+                    else
+                    {
+                        float ab = current.X * step.X +
+                                   current.Y * step.Y +
+                                   current.Z * step.Z +
+                                   current.W * step.W;
+                        float q = (ab * ab) / aa_bb;
+
+                        if (q > 1.0f)
+                        {
+                            angle = 0;
+                        }
+                        else
+                        {
+                            angle = (float)Math.Acos(2 * q - 1);
+                        }
+                    }
+
+                    if (angle > 0.01f)
+*/
+                    if(Math.Abs(step.X - current.X) > 0.001f 
+                        || Math.Abs(step.Y - current.Y) > 0.001f 
+                        || Math.Abs(step.Z - current.Z) > 0.001f
+                        || lastStep)
+                        // assuming w is a dependente var
+
+                    {
+//                                m_group.UpdateGroupRotationR(step);
+                        m_group.RootPart.RotationOffset = step;
+
+                        //m_group.RootPart.UpdateAngularVelocity(m_currentFrame.AngularVelocity / 2);
+                        update = true;
+                    }
+                }
+            }
+
+            if (update)
+            {
+                m_group.SendGroupRootTerseUpdate();
+            }
+        }
+
+        public Byte[] Serialize()
+        {
+            StopTimer();
+
+            SceneObjectGroup tmp = m_group;
+            m_group = null;
+            if (!m_selected && tmp != null)
+                m_serializedPosition = tmp.AbsolutePosition;
+
+            using (MemoryStream ms = new MemoryStream())
+            {
+                BinaryFormatter fmt = new BinaryFormatter();
+                fmt.Serialize(ms, this);
+                m_group = tmp;
+                if (m_running && !m_waitingCrossing)
+                    StartTimer();
+
+                return ms.ToArray();
+            }
+        }
+
+        public void StartCrossingCheck()
+        {
+            // timer will be restart by crossingFailure
+            // or never since crossing worked and this 
+            // should be deleted
+            StopTimer();
+           
+            m_isCrossing = true;
+            m_waitingCrossing = true;
+
+            // to remove / retune to smoth crossings
+            if (m_group.RootPart.Velocity != Vector3.Zero)
+            {
+                m_group.RootPart.Velocity = Vector3.Zero;
+                m_group.SendGroupRootTerseUpdate();
+//                m_group.RootPart.ScheduleTerseUpdate();
+            }
+        }
+
+        public void CrossingFailure()
+        {
+            m_waitingCrossing = false;
+
+            if (m_group != null)
+            {
+                m_group.RootPart.Velocity = Vector3.Zero;
+                m_group.SendGroupRootTerseUpdate();
+//                m_group.RootPart.ScheduleTerseUpdate();
+
+                if (m_running)
+                {
+                    StopTimer();
+                    m_skipLoops = 1200; // 60 seconds
+                    StartTimer();
+                }
+            }
+        }
+    }
+}
diff --git a/OpenSim/Region/Framework/Scenes/Prioritizer.cs b/OpenSim/Region/Framework/Scenes/Prioritizer.cs
index 1b10e3c..ae85560 100644
--- a/OpenSim/Region/Framework/Scenes/Prioritizer.cs
+++ b/OpenSim/Region/Framework/Scenes/Prioritizer.cs
@@ -31,7 +31,7 @@ using log4net;
 using Nini.Config;
 using OpenSim.Framework;
 using OpenMetaverse;
-using OpenSim.Region.Physics.Manager;
+using OpenSim.Region.PhysicsModules.SharedBase;
 
 /*
  * Steps to add a new prioritization policy:
diff --git a/OpenSim/Region/Framework/Scenes/RegionStatsHandler.cs b/OpenSim/Region/Framework/Scenes/RegionStatsHandler.cs
index c11174d..3b31281 100644
--- a/OpenSim/Region/Framework/Scenes/RegionStatsHandler.cs
+++ b/OpenSim/Region/Framework/Scenes/RegionStatsHandler.cs
@@ -35,7 +35,6 @@ using Nini.Config;
 using OpenMetaverse;
 using OpenMetaverse.StructuredData;
 using OpenSim.Framework;
-using OpenSim.Framework.Communications;
 using OpenSim.Framework.Console;
 using OpenSim.Framework.Servers;
 using OpenSim.Framework.Servers.HttpServer;
@@ -46,47 +45,33 @@ using OpenSim.Region.Framework.Scenes;
 
 namespace OpenSim.Region.Framework.Scenes
 {
-    public class RegionStatsHandler : IStreamedRequestHandler
+    public class RegionStatsHandler : BaseStreamHandler
     {
         //private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
 
-        private string osRXStatsURI = String.Empty;
         private string osXStatsURI = String.Empty;
         //private string osSecret = String.Empty;
         private OpenSim.Framework.RegionInfo regionInfo;
         public string localZone = TimeZone.CurrentTimeZone.StandardName;
         public TimeSpan utcOffset = TimeZone.CurrentTimeZone.GetUtcOffset(DateTime.Now);
 
-        public string Name { get { return "RegionStats"; } }
-        public string Description { get { return "Region Statistics"; } }
-
-        public RegionStatsHandler(RegionInfo region_info)
+        public RegionStatsHandler(RegionInfo region_info) 
+            : base("GET", "/" + Util.SHA1Hash(region_info.regionSecret), "RegionStats", "Region Statistics")
         {
             regionInfo = region_info;
-            osRXStatsURI = Util.SHA1Hash(regionInfo.regionSecret);
             osXStatsURI = Util.SHA1Hash(regionInfo.osSecret);
         }
                     
-        public byte[] Handle(string path, Stream request, IOSHttpRequest httpRequest, IOSHttpResponse httpResponse)
+        protected override byte[] ProcessRequest(
+            string path, Stream request, IOSHttpRequest httpRequest, IOSHttpResponse httpResponse)
         {
             return Util.UTF8.GetBytes(Report());
         }
 
-        public string ContentType
+        public override string ContentType
         {
             get { return "text/plain"; }
         }
-
-        public string HttpMethod
-        {
-            get { return "GET"; }
-        }
-
-        public string Path
-        {
-            // This is for the region and is the regionSecret hashed
-            get { return "/" + osRXStatsURI; }
-        }
         
         private string Report()
         {
diff --git a/OpenSim/Region/Framework/Scenes/Scene.Inventory.cs b/OpenSim/Region/Framework/Scenes/Scene.Inventory.cs
index a6db4de..b838177 100644
--- a/OpenSim/Region/Framework/Scenes/Scene.Inventory.cs
+++ b/OpenSim/Region/Framework/Scenes/Scene.Inventory.cs
@@ -30,22 +30,27 @@ using System.Collections.Generic;
 using System.Collections;
 using System.Reflection;
 using System.Text;
+using System.Threading;
 using System.Timers;
+using System.Xml;
 using OpenMetaverse;
 using OpenMetaverse.Packets;
 using log4net;
 using OpenSim.Framework;
+using OpenSim.Framework.Serialization.External;
 using OpenSim.Region.Framework;
 using OpenSim.Framework.Client;
 using OpenSim.Region.Framework.Interfaces;
 using OpenSim.Region.Framework.Scenes.Serialization;
+using OpenSim.Services.Interfaces;
+using PermissionMask = OpenSim.Framework.PermissionMask;
 
 namespace OpenSim.Region.Framework.Scenes
 {
     public partial class Scene
     {
-        private static readonly ILog m_log
-            = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
+        private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
+        //private static readonly string LogHeader = "[SCENE INVENTORY]";
 
         /// <summary>
         /// Allows asynchronous derezzing of objects from the scene into a client's inventory.
@@ -125,11 +130,16 @@ namespace OpenSim.Region.Framework.Scenes
             }
         }
 
+        public bool AddInventoryItem(InventoryItemBase item)
+        {
+            return AddInventoryItem(item, true);
+        }
+
         /// <summary>
         /// Add the given inventory item to a user's inventory.
         /// </summary>
         /// <param name="item"></param>
-        public bool AddInventoryItem(InventoryItemBase item)
+        public bool AddInventoryItem(InventoryItemBase item, bool trigger)
         {
             if (item.Folder != UUID.Zero && InventoryService.AddItem(item))
             {
@@ -138,14 +148,17 @@ namespace OpenSim.Region.Framework.Scenes
                 {
                     userlevel = 1;
                 }
-                EventManager.TriggerOnNewInventoryItemUploadComplete(item.Owner, item.AssetID, item.Name, userlevel);
+                if (trigger)
+                    EventManager.TriggerOnNewInventoryItemUploadComplete(item.Owner, (AssetType)item.AssetType, item.AssetID, item.Name, userlevel);
 
                 return true;
             }
 
             // OK so either the viewer didn't send a folderID or AddItem failed
             UUID originalFolder = item.Folder;
-            InventoryFolderBase f = InventoryService.GetFolderForType(item.Owner, (AssetType)item.AssetType);
+            InventoryFolderBase f = null;
+            if (Enum.IsDefined(typeof(FolderType), (sbyte)item.AssetType))
+                f = InventoryService.GetFolderForType(item.Owner, (FolderType)item.AssetType);
             if (f != null)
             {
                 m_log.DebugFormat(
@@ -177,7 +190,8 @@ namespace OpenSim.Region.Framework.Scenes
                 {
                     userlevel = 1;
                 }
-                EventManager.TriggerOnNewInventoryItemUploadComplete(item.Owner, item.AssetID, item.Name, userlevel);
+                if (trigger)
+                    EventManager.TriggerOnNewInventoryItemUploadComplete(item.Owner, (AssetType)item.AssetType, item.AssetID, item.Name, userlevel);
 
                 if (originalFolder != UUID.Zero)
                 {
@@ -325,7 +339,7 @@ namespace OpenSim.Region.Framework.Scenes
             // Update item with new asset
             item.AssetID = asset.FullID;
             if (group.UpdateInventoryItem(item))
-                remoteClient.SendAgentAlertMessage("Script saved", false);
+                remoteClient.SendAlertMessage("Script saved");
             
             part.SendPropertiesToClient(remoteClient);
 
@@ -341,7 +355,7 @@ namespace OpenSim.Region.Framework.Scenes
             }
             else
             {
-                remoteClient.SendAgentAlertMessage("Script saved", false);
+                remoteClient.SendAlertMessage("Script saved");
             }
 
             // Tell anyone managing scripts that a script has been reloaded/changed
@@ -415,20 +429,61 @@ namespace OpenSim.Region.Framework.Scenes
 //                        itemUpd.NextPermissions, itemUpd.GroupPermissions, itemUpd.EveryOnePermissions, item.Flags,
 //                        item.NextPermissions, item.GroupPermissions, item.EveryOnePermissions, item.CurrentPermissions);
 
+                bool sendUpdate = false;
+
                 if (itemUpd.NextPermissions != 0) // Use this to determine validity. Can never be 0 if valid
                 {
+                    // Create a set of base permissions that will not include export if the user
+                    // is not allowed to change the export flag.
+                    bool denyExportChange = false;
+
+//                    m_log.DebugFormat("[XXX]: B: {0} O: {1} E: {2}", itemUpd.BasePermissions, itemUpd.CurrentPermissions, itemUpd.EveryOnePermissions);
+
+                    // If the user is not the creator or doesn't have "E" in both "B" and "O", deny setting export
+                    if ((item.BasePermissions & (uint)(PermissionMask.All | PermissionMask.Export)) != (uint)(PermissionMask.All | PermissionMask.Export) || (item.CurrentPermissions & (uint)PermissionMask.Export) == 0 || item.CreatorIdAsUuid != item.Owner)
+                        denyExportChange = true;
+
+//                    m_log.DebugFormat("[XXX]: Deny Export Update {0}", denyExportChange);
+
+                    // If it is already set, force it set and also force full perm
+                    // else prevent setting it. It can and should never be set unless
+                    // set in base, so the condition above is valid
+                    if (denyExportChange)
+                    {
+                        // If we are not allowed to change it, then force it to the
+                        // original item's setting and if it was on, also force full perm
+                        if ((item.EveryOnePermissions & (uint)PermissionMask.Export) != 0)
+                        {
+                            itemUpd.NextPermissions = (uint)(PermissionMask.All);
+                            itemUpd.EveryOnePermissions |= (uint)PermissionMask.Export;
+                        }
+                        else
+                        {
+                            itemUpd.EveryOnePermissions &= ~(uint)PermissionMask.Export;
+                        }
+                    }
+                    else
+                    {
+                        // If the new state is exportable, force full perm
+                        if ((itemUpd.EveryOnePermissions & (uint)PermissionMask.Export) != 0)
+                        {
+//                            m_log.DebugFormat("[XXX]: Force full perm");
+                            itemUpd.NextPermissions = (uint)(PermissionMask.All);
+                        }
+                    }
+
                     if (item.NextPermissions != (itemUpd.NextPermissions & item.BasePermissions))
                         item.Flags |= (uint)InventoryItemFlags.ObjectOverwriteNextOwner;
                     item.NextPermissions = itemUpd.NextPermissions & item.BasePermissions;
+
                     if (item.EveryOnePermissions != (itemUpd.EveryOnePermissions & item.BasePermissions))
                         item.Flags |= (uint)InventoryItemFlags.ObjectOverwriteEveryone;
                     item.EveryOnePermissions = itemUpd.EveryOnePermissions & item.BasePermissions;
+
                     if (item.GroupPermissions != (itemUpd.GroupPermissions & item.BasePermissions))
                         item.Flags |= (uint)InventoryItemFlags.ObjectOverwriteGroup;
-
-//                    m_log.DebugFormat("[USER INVENTORY]: item.Flags {0}", item.Flags);
-
                     item.GroupPermissions = itemUpd.GroupPermissions & item.BasePermissions;
+
                     item.GroupID = itemUpd.GroupID;
                     item.GroupOwned = itemUpd.GroupOwned;
                     item.CreationDate = itemUpd.CreationDate;
@@ -449,6 +504,12 @@ namespace OpenSim.Region.Framework.Scenes
                     item.SalePrice = itemUpd.SalePrice;
                     item.SaleType = itemUpd.SaleType;
 
+                    if (item.InvType == (int)InventoryType.Wearable && (item.Flags & 0xf) == 0 && (itemUpd.Flags & 0xf) != 0)
+                    {
+                        item.Flags = (uint)(item.Flags & 0xfffffff0) | (itemUpd.Flags & 0xf);
+                        sendUpdate = true;
+                    }
+
                     InventoryService.UpdateItem(item);
                 }
 
@@ -459,6 +520,17 @@ namespace OpenSim.Region.Framework.Scenes
                         AgentTransactionsModule.HandleItemUpdateFromTransaction(remoteClient, transactionID, item);
                     }
                 }
+                else
+                {
+                    // This MAY be problematic, if it is, another solution
+                    // needs to be found. If inventory item flags are updated
+                    // the viewer's notion of the item needs to be refreshed.
+                    //
+                    // In other situations we cannot send out a bulk update here, since this will cause editing of clothing to start 
+                    // failing frequently.  Possibly this is a race with a separate transaction that uploads the asset.
+                    if (sendUpdate)
+                        remoteClient.SendBulkUpdateInventory(item);
+                }
             }
             else
             {
@@ -474,9 +546,9 @@ namespace OpenSim.Region.Framework.Scenes
         /// <param name="recipientClient"></param>
         /// <param name="senderId">ID of the sender of the item</param>
         /// <param name="itemId"></param>
-        public virtual void GiveInventoryItem(IClientAPI recipientClient, UUID senderId, UUID itemId)
+        public virtual void GiveInventoryItem(IClientAPI recipientClient, UUID senderId, UUID itemId, out string message)
         {
-            InventoryItemBase itemCopy = GiveInventoryItem(recipientClient.AgentId, senderId, itemId);
+            InventoryItemBase itemCopy = GiveInventoryItem(recipientClient.AgentId, senderId, itemId, out message);
 
             if (itemCopy != null)
                 recipientClient.SendBulkUpdateInventory(itemCopy);
@@ -489,9 +561,9 @@ namespace OpenSim.Region.Framework.Scenes
         /// <param name="senderId">ID of the sender of the item</param>
         /// <param name="itemId"></param>
         /// <returns>The inventory item copy given, null if the give was unsuccessful</returns>
-        public virtual InventoryItemBase GiveInventoryItem(UUID recipient, UUID senderId, UUID itemId)
+        public virtual InventoryItemBase GiveInventoryItem(UUID recipient, UUID senderId, UUID itemId, out string message)
         {
-            return GiveInventoryItem(recipient, senderId, itemId, UUID.Zero);
+            return GiveInventoryItem(recipient, senderId, itemId, UUID.Zero, out message);
         }
 
         /// <summary>
@@ -508,10 +580,16 @@ namespace OpenSim.Region.Framework.Scenes
         /// The inventory item copy given, null if the give was unsuccessful
         /// </returns>
         public virtual InventoryItemBase GiveInventoryItem(
-            UUID recipient, UUID senderId, UUID itemId, UUID recipientFolderId)
+            UUID recipient, UUID senderId, UUID itemId, UUID recipientFolderId, out string message)
         {
             //Console.WriteLine("Scene.Inventory.cs: GiveInventoryItem");
 
+            if (!Permissions.CanTransferUserInventory(itemId, senderId, recipient))
+            {
+                message = "Not allowed to transfer this item.";
+                return null;
+            }
+
             InventoryItemBase item = new InventoryItemBase(itemId, senderId);
             item = InventoryService.GetItem(item);
 
@@ -519,6 +597,7 @@ namespace OpenSim.Region.Framework.Scenes
             {
                 m_log.WarnFormat(
                     "[AGENT INVENTORY]: Failed to find item {0} sent by {1} to {2}", itemId, senderId, recipient);
+                message = string.Format("Item not found: {0}.", itemId);
                 return null;
             }
 
@@ -527,6 +606,7 @@ namespace OpenSim.Region.Framework.Scenes
                 m_log.WarnFormat(
                     "[AGENT INVENTORY]: Attempt to send item {0} {1} to {2} failed because sender {3} did not match item owner {4}",
                     item.Name, item.ID, recipient, senderId, item.Owner);
+                message = "Sender did not match item owner.";
                 return null;
             }
 
@@ -537,7 +617,10 @@ namespace OpenSim.Region.Framework.Scenes
             if (!Permissions.BypassPermissions())
             {
                 if ((item.CurrentPermissions & (uint)PermissionMask.Transfer) == 0)
+                {
+                    message = "Item doesn't have the Transfer permission.";
                     return null;
+                }
             }
 
             // Insert a copy of the item into the recipient
@@ -606,17 +689,13 @@ namespace OpenSim.Region.Framework.Scenes
                 // a mask
                 if (item.InvType == (int)InventoryType.Object)
                 {
-                    // Create a safe mask for the current perms
-                    uint foldedPerms = (item.CurrentPermissions & 7) << 13;
-                    foldedPerms |= permsMask;
-
                     bool isRootMod = (item.CurrentPermissions &
                                       (uint)PermissionMask.Modify) != 0 ?
                                       true : false;
 
                     // Mask the owner perms to the folded perms
-                    ownerPerms &= foldedPerms;
-                    basePerms &= foldedPerms;
+                    PermissionsUtil.ApplyFoldedPermissions(item.CurrentPermissions, ref ownerPerms);
+                    PermissionsUtil.ApplyFoldedPermissions(item.CurrentPermissions, ref basePerms);
 
                     // If the root was mod, let the mask reflect that
                     // We also need to adjust the base here, because
@@ -666,7 +745,9 @@ namespace OpenSim.Region.Framework.Scenes
             
             if (itemCopy.Folder == UUID.Zero)
             {
-                InventoryFolderBase folder = InventoryService.GetFolderForType(recipient, (AssetType)itemCopy.AssetType);
+                InventoryFolderBase folder = null;
+                if (Enum.IsDefined(typeof(FolderType), (sbyte)item.AssetType))
+                    folder = InventoryService.GetFolderForType(recipient, (FolderType)itemCopy.AssetType);
 
                 if (folder != null)
                 {
@@ -677,9 +758,14 @@ namespace OpenSim.Region.Framework.Scenes
                     InventoryFolderBase root = InventoryService.GetRootFolder(recipient);
 
                     if (root != null)
+                    {
                         itemCopy.Folder = root.ID;
+                    }
                     else
-                        return null; // No destination
+                    {
+                        message = "Can't find a folder to add the item to.";
+                        return null;
+                    }
                 }
             }
 
@@ -692,7 +778,7 @@ namespace OpenSim.Region.Framework.Scenes
             IInventoryAccessModule invAccess = RequestModuleInterface<IInventoryAccessModule>();
             if (invAccess != null)
                 invAccess.TransferInventoryAssets(itemCopy, senderId, recipient);
-            AddInventoryItem(itemCopy);
+            AddInventoryItem(itemCopy, false);
 
             if (!Permissions.BypassPermissions())
             {
@@ -704,6 +790,7 @@ namespace OpenSim.Region.Framework.Scenes
                 }
             }
 
+            message = null;
             return itemCopy;
         }
 
@@ -721,11 +808,11 @@ namespace OpenSim.Region.Framework.Scenes
         /// <returns>
         /// The inventory folder copy given, null if the copy was unsuccessful
         /// </returns>
-        public virtual InventoryFolderBase GiveInventoryFolder(
+        public virtual InventoryFolderBase GiveInventoryFolder(IClientAPI client,
             UUID recipientId, UUID senderId, UUID folderId, UUID recipientParentFolderId)
         {
             //// Retrieve the folder from the sender
-            InventoryFolderBase folder = InventoryService.GetFolder(new InventoryFolderBase(folderId));
+            InventoryFolderBase folder = InventoryService.GetFolder(new InventoryFolderBase(folderId, senderId));
             if (null == folder)
             {
                 m_log.ErrorFormat(
@@ -756,13 +843,18 @@ namespace OpenSim.Region.Framework.Scenes
             InventoryCollection contents = InventoryService.GetFolderContent(senderId, folderId);
             foreach (InventoryFolderBase childFolder in contents.Folders)
             {
-                GiveInventoryFolder(recipientId, senderId, childFolder.ID, newFolder.ID);
+                GiveInventoryFolder(client, recipientId, senderId, childFolder.ID, newFolder.ID);
             }
 
             // Give all the items
             foreach (InventoryItemBase item in contents.Items)
             {
-                GiveInventoryItem(recipientId, senderId, item.ID, newFolder.ID);
+                string message;
+                if (GiveInventoryItem(recipientId, senderId, item.ID, newFolder.ID, out message) == null)
+                {
+                    if (client != null)
+                        client.SendAgentAlertMessage(message, false);
+                }
             }
 
             return newFolder;
@@ -794,51 +886,34 @@ namespace OpenSim.Region.Framework.Scenes
                     return;
             }
 
-            AssetBase asset = AssetService.Get(item.AssetID.ToString());
+            if (newName == String.Empty)
+                newName = item.Name;
 
-            if (asset != null)
+            if (remoteClient.AgentId == oldAgentID
+                || (LibraryService != null
+                    && LibraryService.LibraryRootFolder != null
+                    && oldAgentID == LibraryService.LibraryRootFolder.Owner))
             {
-                if (newName != String.Empty)
-                {
-                    asset.Name = newName;
-                }
-                else
-                {
-                    newName = item.Name;
-                }
-
-                if (remoteClient.AgentId == oldAgentID
-                    || (LibraryService != null
-                        && LibraryService.LibraryRootFolder != null
-                        && oldAgentID == LibraryService.LibraryRootFolder.Owner))
+                CreateNewInventoryItem(
+                    remoteClient, item.CreatorId, item.CreatorData, newFolderID,
+                    newName, item.Description, item.Flags, callbackID, item.AssetID, (sbyte)item.AssetType, (sbyte)item.InvType,
+                    item.BasePermissions, item.CurrentPermissions, item.EveryOnePermissions,
+                    item.NextPermissions, item.GroupPermissions, Util.UnixTimeSinceEpoch(), false);
+            }
+            else
+            {  
+                // If item is transfer or permissions are off or calling agent is allowed to copy item owner's inventory item.
+                if (((item.CurrentPermissions & (uint)PermissionMask.Transfer) != 0)
+                    && (m_permissions.BypassPermissions()
+                        || m_permissions.CanCopyUserInventory(remoteClient.AgentId, oldItemID)))
                 {
                     CreateNewInventoryItem(
-                        remoteClient, item.CreatorId, item.CreatorData, newFolderID,
-                        newName, item.Description, item.Flags, callbackID, asset, (sbyte)item.InvType,
-                        item.BasePermissions, item.CurrentPermissions, item.EveryOnePermissions,
-                        item.NextPermissions, item.GroupPermissions, Util.UnixTimeSinceEpoch());
-                }
-                else
-                {  
-                    // If item is transfer or permissions are off or calling agent is allowed to copy item owner's inventory item.
-                    if (((item.CurrentPermissions & (uint)PermissionMask.Transfer) != 0)
-                        && (m_permissions.BypassPermissions()
-                            || m_permissions.CanCopyUserInventory(remoteClient.AgentId, oldItemID)))
-                    {
-                        CreateNewInventoryItem(
-                            remoteClient, item.CreatorId, item.CreatorData, newFolderID, newName, item.Description, item.Flags, callbackID,
-                            asset, (sbyte) item.InvType,
-                            item.NextPermissions, item.NextPermissions, item.EveryOnePermissions & item.NextPermissions,
-                            item.NextPermissions, item.GroupPermissions, Util.UnixTimeSinceEpoch());
-                    }
+                        remoteClient, item.CreatorId, item.CreatorData, newFolderID, newName, item.Description, item.Flags, callbackID,
+                        item.AssetID, (sbyte)item.AssetType, (sbyte) item.InvType,
+                        item.NextPermissions, item.NextPermissions, item.EveryOnePermissions & item.NextPermissions,
+                        item.NextPermissions, item.GroupPermissions, Util.UnixTimeSinceEpoch(), false);
                 }
             }
-            else
-            {
-                m_log.ErrorFormat(
-                    "[AGENT INVENTORY]: Could not copy item {0} since asset {1} could not be found",
-                    item.Name, item.AssetID);
-            }
         }
 
         /// <summary>
@@ -888,11 +963,12 @@ namespace OpenSim.Region.Framework.Scenes
         public void CreateNewInventoryItem(
             IClientAPI remoteClient, string creatorID, string creatorData, UUID folderID,
             string name, string description, uint flags, uint callbackID,
-            AssetBase asset, sbyte invType, uint nextOwnerMask, int creationDate)
+            UUID assetID, sbyte assetType, sbyte invType, uint nextOwnerMask, int creationDate)
         {
             CreateNewInventoryItem(
-                remoteClient, creatorID, creatorData, folderID, name, description, flags, callbackID, asset, invType,
-                (uint)PermissionMask.All, (uint)PermissionMask.All, 0, nextOwnerMask, 0, creationDate);
+                remoteClient, creatorID, creatorData, folderID, name, description, flags, callbackID, assetID, assetType, invType,
+                (uint)PermissionMask.All | (uint)PermissionMask.Export, (uint)PermissionMask.All | (uint)PermissionMask.Export, 0, nextOwnerMask, 0, 
+                creationDate, true);
         }
 
         /// <summary>
@@ -916,19 +992,20 @@ namespace OpenSim.Region.Framework.Scenes
         /// <param name="creationDate">Unix timestamp at which this item was created.</param>
         private void CreateNewInventoryItem(
             IClientAPI remoteClient, string creatorID, string creatorData, UUID folderID,
-            string name, string description, uint flags, uint callbackID, AssetBase asset, sbyte invType,
-            uint baseMask, uint currentMask, uint everyoneMask, uint nextOwnerMask, uint groupMask, int creationDate)
+            string name, string description, uint flags, uint callbackID, UUID assetID, sbyte assetType, sbyte invType,
+            uint baseMask, uint currentMask, uint everyoneMask, uint nextOwnerMask, uint groupMask, int creationDate,
+            bool assetUpload)
         {
             InventoryItemBase item = new InventoryItemBase();
             item.Owner = remoteClient.AgentId;
             item.CreatorId = creatorID;
             item.CreatorData = creatorData;
             item.ID = UUID.Random();
-            item.AssetID = asset.FullID;
+            item.AssetID = assetID;
             item.Name = name;
             item.Description = description;
             item.Flags = flags;
-            item.AssetType = asset.Type;
+            item.AssetType = assetType;
             item.InvType = invType;
             item.Folder = folderID;
             item.CurrentPermissions = currentMask;
@@ -938,7 +1015,7 @@ namespace OpenSim.Region.Framework.Scenes
             item.BasePermissions = baseMask;
             item.CreationDate = creationDate;
 
-            if (AddInventoryItem(item))
+            if (AddInventoryItem(item, assetUpload))
             {
                 remoteClient.SendInventoryItemCreateUpdate(item, callbackID);
             }
@@ -1001,17 +1078,12 @@ namespace OpenSim.Region.Framework.Scenes
 //                    return;
 //                }
 
-                AssetBase asset = new AssetBase();
-                asset.FullID = olditemID;
-                asset.Type = type;
-                asset.Name = name;
-                asset.Description = description;
-
                 CreateNewInventoryItem(
                     remoteClient, remoteClient.AgentId.ToString(), string.Empty, folderID,
-                    name, description, 0, callbackID, asset, invType,
-                    (uint)PermissionMask.All, (uint)PermissionMask.All, (uint)PermissionMask.All,
-                    (uint)PermissionMask.All, (uint)PermissionMask.All, Util.UnixTimeSinceEpoch());
+                    name, description, 0, callbackID, olditemID, type, invType,
+                    (uint)PermissionMask.All | (uint)PermissionMask.Export, (uint)PermissionMask.All | (uint)PermissionMask.Export, (uint)PermissionMask.All,
+                    (uint)PermissionMask.All | (uint)PermissionMask.Export, (uint)PermissionMask.All | (uint)PermissionMask.Export, Util.UnixTimeSinceEpoch(),
+                    false);
             }
             else
             {
@@ -1087,13 +1159,21 @@ namespace OpenSim.Region.Framework.Scenes
                 if (item == null)
                     return;
 
-                InventoryFolderBase destFolder = InventoryService.GetFolderForType(remoteClient.AgentId, AssetType.TrashFolder);
+                InventoryFolderBase destFolder = InventoryService.GetFolderForType(remoteClient.AgentId, FolderType.Trash);
 
-                // Move the item to trash. If this is a copiable item, only
+                // Move the item to trash. If this is a copyable item, only
                 // a copy will be moved and we will still need to delete
-                // the item from the prim. If it was no copy, is will be
+                // the item from the prim. If it was no copy, it will be
                 // deleted by this method.
-                MoveTaskInventoryItem(remoteClient, destFolder.ID, part, itemID);
+                string message;
+                InventoryItemBase item2 = MoveTaskInventoryItem(remoteClient, destFolder.ID, part, itemID, out message);
+
+                if (item2 == null)
+                {
+                    m_log.WarnFormat("[SCENE INVENTORY]: RemoveTaskInventory of item {0} failed: {1}", itemID, message);
+                    remoteClient.SendAgentAlertMessage(message, false);
+                    return;
+                }
 
                 if (group.GetInventoryItem(localID, itemID) != null)
                 {
@@ -1105,11 +1185,16 @@ namespace OpenSim.Region.Framework.Scenes
 
                     group.RemoveInventoryItem(localID, itemID);
                 }
+
                 part.SendPropertiesToClient(remoteClient);
             }
         }
 
-        private InventoryItemBase CreateAgentInventoryItemFromTask(UUID destAgent, SceneObjectPart part, UUID itemId)
+
+        /// <summary>
+        /// Creates (in memory only) a user inventory item that will contain a copy of a task inventory item.
+        /// </summary>
+        private InventoryItemBase CreateAgentInventoryItemFromTask(UUID destAgent, SceneObjectPart part, UUID itemId, out string message)
         {
             TaskInventoryItem taskItem = part.Inventory.GetInventoryItem(itemId);
 
@@ -1120,12 +1205,13 @@ namespace OpenSim.Region.Framework.Scenes
                         + " inventory item from a prim's inventory item "
                         + " but the required item does not exist in the prim's inventory",
                     itemId, part.Name, part.UUID);
-
+                message = "Item not found: " + itemId;
                 return null;
             }
 
             if ((destAgent != taskItem.OwnerID) && ((taskItem.CurrentPermissions & (uint)PermissionMask.Transfer) == 0))
             {
+                message = "Item doesn't have the Transfer permission.";
                 return null;
             }
 
@@ -1146,9 +1232,21 @@ namespace OpenSim.Region.Framework.Scenes
             {
                 agentItem.BasePermissions = taskItem.BasePermissions & (taskItem.NextPermissions | (uint)PermissionMask.Move);
                 if (taskItem.InvType == (int)InventoryType.Object)
-                    agentItem.CurrentPermissions = agentItem.BasePermissions & (((taskItem.CurrentPermissions & 7) << 13) | (taskItem.CurrentPermissions & (uint)PermissionMask.Move));
-                else
-                    agentItem.CurrentPermissions = agentItem.BasePermissions & taskItem.CurrentPermissions;
+                {
+                    // Bake the new base permissions from folded permissions
+                    // The folded perms are in the lowest 3 bits of the current perms
+                    // We use base permissions here to avoid baking the "Locked" status
+                    // into the item as it is passed.
+                    uint perms = taskItem.BasePermissions & taskItem.NextPermissions;
+                    PermissionsUtil.ApplyFoldedPermissions(taskItem.CurrentPermissions, ref perms);
+                    // Avoid the "lock trap" - move must always be enabled but the above may remove it
+                    // Add it back here.
+                    agentItem.BasePermissions = perms | (uint)PermissionMask.Move;
+                    // Newly given items cannot be "locked" on rez. Make sure by
+                    // setting current equal to base.
+                }
+
+                agentItem.CurrentPermissions = agentItem.BasePermissions;
 
                 agentItem.Flags |= (uint)InventoryItemFlags.ObjectSlamPerm;
                 agentItem.NextPermissions = taskItem.NextPermissions;
@@ -1164,11 +1262,24 @@ namespace OpenSim.Region.Framework.Scenes
                 agentItem.GroupPermissions = taskItem.GroupPermissions;
             }
 
+            message = null;
+            return agentItem;
+        }
+
+        /// <summary>
+        /// If the task item is not-copyable then remove it from the prim.
+        /// </summary>
+        private void RemoveNonCopyTaskItemFromPrim(SceneObjectPart part, UUID itemId)
+        {
+            TaskInventoryItem taskItem = part.Inventory.GetInventoryItem(itemId);
+            if (taskItem == null)
+                return;
+
             if (!Permissions.BypassPermissions())
             {
                 if ((taskItem.CurrentPermissions & (uint)PermissionMask.Copy) == 0)
                 {
-                    if (taskItem.Type == 10)
+                    if (taskItem.Type == (int)AssetType.LSLText)
                     {
                         part.RemoveScriptEvents(itemId);
                         EventManager.TriggerRemoveScript(part.LocalId, itemId);
@@ -1177,8 +1288,6 @@ namespace OpenSim.Region.Framework.Scenes
                     part.Inventory.RemoveInventoryItem(itemId);
                 }
             }
-
-            return agentItem;
         }
 
         /// <summary>
@@ -1188,19 +1297,22 @@ namespace OpenSim.Region.Framework.Scenes
         /// <param name="folderID"></param>
         /// <param name="part"></param>
         /// <param name="itemID"></param>
-        public InventoryItemBase MoveTaskInventoryItem(IClientAPI remoteClient, UUID folderId, SceneObjectPart part, UUID itemId)
+        public InventoryItemBase MoveTaskInventoryItem(IClientAPI remoteClient, UUID folderId, SceneObjectPart part, UUID itemId, out string message)
         {
             m_log.DebugFormat(
                 "[PRIM INVENTORY]: Adding item {0} from {1} to folder {2} for {3}", 
                 itemId, part.Name, folderId, remoteClient.Name);
             
-            InventoryItemBase agentItem = CreateAgentInventoryItemFromTask(remoteClient.AgentId, part, itemId);
-
+            InventoryItemBase agentItem = CreateAgentInventoryItemFromTask(remoteClient.AgentId, part, itemId, out message);
             if (agentItem == null)
                 return null;
 
             agentItem.Folder = folderId;
             AddInventoryItem(remoteClient, agentItem);
+
+            RemoveNonCopyTaskItemFromPrim(part, itemId);
+
+            message = null;
             return agentItem;
         }
 
@@ -1251,7 +1363,11 @@ namespace OpenSim.Region.Framework.Scenes
                     return;
             }
 
-            MoveTaskInventoryItem(remoteClient, folderId, part, itemId);
+            string message;
+            InventoryItemBase item = MoveTaskInventoryItem(remoteClient, folderId, part, itemId, out message);
+            
+            if (item == null)
+                remoteClient.SendAgentAlertMessage(message, false);
         }
 
         /// <summary>
@@ -1265,17 +1381,17 @@ namespace OpenSim.Region.Framework.Scenes
         /// </param>
         /// <param name="part"></param>
         /// <param name="itemID"></param>
-        public InventoryItemBase MoveTaskInventoryItem(UUID avatarId, UUID folderId, SceneObjectPart part, UUID itemId)
+        public InventoryItemBase MoveTaskInventoryItem(UUID avatarId, UUID folderId, SceneObjectPart part, UUID itemId, out string message)
         {
             ScenePresence avatar;
 
             if (TryGetScenePresence(avatarId, out avatar))
             {
-                return MoveTaskInventoryItem(avatar.ControllingClient, folderId, part, itemId);
+                return MoveTaskInventoryItem(avatar.ControllingClient, folderId, part, itemId, out message);
             }
             else
             {
-                InventoryItemBase agentItem = CreateAgentInventoryItemFromTask(avatarId, part, itemId);
+                InventoryItemBase agentItem = CreateAgentInventoryItemFromTask(avatarId, part, itemId, out message);
 
                 if (agentItem == null)
                     return null;
@@ -1284,6 +1400,8 @@ namespace OpenSim.Region.Framework.Scenes
 
                 AddInventoryItem(agentItem);
 
+                RemoveNonCopyTaskItemFromPrim(part, itemId);
+
                 return agentItem;
             }
         }
@@ -1389,6 +1507,11 @@ namespace OpenSim.Region.Framework.Scenes
 
         public UUID MoveTaskInventoryItems(UUID destID, string category, SceneObjectPart host, List<UUID> items)
         {
+            ScenePresence avatar;
+            IClientAPI remoteClient = null;
+            if (TryGetScenePresence(destID, out avatar))
+                remoteClient = avatar.ControllingClient;
+
             InventoryFolderBase rootFolder = InventoryService.GetRootFolder(destID);
 
             UUID newFolderID = UUID.Random();
@@ -1398,26 +1521,28 @@ namespace OpenSim.Region.Framework.Scenes
 
             foreach (UUID itemID in items)
             {
-                InventoryItemBase agentItem = CreateAgentInventoryItemFromTask(destID, host, itemID);
+                string message;
+                InventoryItemBase agentItem = CreateAgentInventoryItemFromTask(destID, host, itemID, out message);
 
                 if (agentItem != null)
                 {
                     agentItem.Folder = newFolderID;
 
                     AddInventoryItem(agentItem);
+
+                    RemoveNonCopyTaskItemFromPrim(host, itemID);
+                }
+                else
+                {
+                    if (remoteClient != null)
+                        remoteClient.SendAgentAlertMessage(message, false);
                 }
             }
 
-            ScenePresence avatar = null;
-            if (TryGetScenePresence(destID, out avatar))
+            if (remoteClient != null)
             {
-                //profile.SendInventoryDecendents(avatar.ControllingClient,
-                //        profile.RootFolder.ID, true, false);
-                //profile.SendInventoryDecendents(avatar.ControllingClient,
-                //        newFolderID, false, true);
-
-                SendInventoryUpdate(avatar.ControllingClient, rootFolder, true, false);
-                SendInventoryUpdate(avatar.ControllingClient, newFolder, false, true);
+                SendInventoryUpdate(remoteClient, rootFolder, true, false);
+                SendInventoryUpdate(remoteClient, newFolder, false, true);
             }
 
             return newFolderID;
@@ -1572,11 +1697,11 @@ namespace OpenSim.Region.Framework.Scenes
                             remoteClient, part, transactionID, currentItem);
 
                         if ((InventoryType)itemInfo.InvType == InventoryType.Notecard)
-                            remoteClient.SendAgentAlertMessage("Notecard saved", false);
+                            remoteClient.SendAlertMessage("Notecard saved");
                         else if ((InventoryType)itemInfo.InvType == InventoryType.LSL)
-                            remoteClient.SendAgentAlertMessage("Script saved", false);
+                            remoteClient.SendAlertMessage("Script saved");
                         else
-                            remoteClient.SendAgentAlertMessage("Item saved", false);
+                            remoteClient.SendAlertMessage("Item saved");
                     }
 
                     // Base ALWAYS has move
@@ -1739,6 +1864,21 @@ namespace OpenSim.Region.Framework.Scenes
         /// <returns>The part where the script was rezzed if successful.  False otherwise.</returns>
         public SceneObjectPart RezNewScript(UUID agentID, InventoryItemBase itemBase)
         {
+            return RezNewScript(
+                agentID,
+                itemBase,
+                "default\n{\n    state_entry()\n    {\n        llSay(0, \"Script running\");\n    }\n}");
+        }
+
+        /// <summary>
+        /// Rez a new script from nothing with given script text.
+        /// </summary>
+        /// <param name="remoteClient"></param>
+        /// <param name="itemBase">Template item.</param>
+        /// <param name="scriptText"></param>
+        /// <returns>The part where the script was rezzed if successful.  False otherwise.</returns>
+        public SceneObjectPart RezNewScript(UUID agentID, InventoryItemBase itemBase, string scriptText)
+        {
             // The part ID is the folder ID!
             SceneObjectPart part = GetSceneObjectPart(itemBase.Folder);
             if (part == null)
@@ -1758,9 +1898,14 @@ namespace OpenSim.Region.Framework.Scenes
                 return null;
             }
 
-            AssetBase asset = CreateAsset(itemBase.Name, itemBase.Description, (sbyte)itemBase.AssetType,
-                Encoding.ASCII.GetBytes("default\n{\n    state_entry()\n    {\n        llSay(0, \"Script running\");\n    }\n}"),
-                agentID);
+            AssetBase asset 
+                = CreateAsset(
+                    itemBase.Name, 
+                    itemBase.Description, 
+                    (sbyte)itemBase.AssetType,
+                    Encoding.ASCII.GetBytes(scriptText), 
+                    agentID);
+
             AssetService.Store(asset);
 
             TaskInventoryItem taskItem = new TaskInventoryItem();
@@ -1801,8 +1946,11 @@ namespace OpenSim.Region.Framework.Scenes
         /// Rez a script into a prim's inventory from another prim
         /// </summary>
         /// <param name="remoteClient"></param>
-        /// <param name="itemID"> </param>
-        /// <param name="localID"></param>
+        /// <param name="srcPart"> </param>
+        /// <param name="destId"> </param>
+        /// <param name="pin"></param>
+        /// <param name="running"></param>
+        /// <param name="start_param"></param>
         public void RezScriptFromPrim(UUID srcId, SceneObjectPart srcPart, UUID destId, int pin, int running, int start_param)
         {
             TaskInventoryItem srcTaskItem = srcPart.Inventory.GetInventoryItem(srcId);
@@ -1822,12 +1970,11 @@ namespace OpenSim.Region.Framework.Scenes
             if (destPart == null)
             {
                 m_log.ErrorFormat(
-                        "[PRIM INVENTORY]: " +
-                        "Could not find script for ID {0}",
-                        destId);
+                    "[PRIM INVENTORY]: Could not find part {0} to insert script item {1} from {2} {3} in {4}",
+                    destId, srcId, srcPart.Name, srcPart.UUID, Name);
                 return;
             }
-        
+
             // Must own the object, and have modify rights
             if (srcPart.OwnerID != destPart.OwnerID)
             {
@@ -1835,12 +1982,14 @@ namespace OpenSim.Region.Framework.Scenes
                 if ((destPart.GroupID == UUID.Zero) || (destPart.GroupID != srcPart.GroupID) ||
                     ((destPart.GroupMask & (uint)PermissionMask.Modify) == 0))
                     return;
-            } else {
+            } 
+            else 
+            {
                 if ((destPart.OwnerMask & (uint)PermissionMask.Modify) == 0)
                     return;
             }
 
-            if (destPart.ScriptAccessPin != pin)
+            if (destPart.ScriptAccessPin == 0 || destPart.ScriptAccessPin != pin)
             {
                 m_log.WarnFormat(
                         "[PRIM INVENTORY]: " +
@@ -1954,7 +2103,7 @@ namespace OpenSim.Region.Framework.Scenes
                 deleteGroups.Add(grp);
 
                 // If child prims have invalid perms, fix them
-                grp.AdjustChildPrimPermissions();
+                grp.AdjustChildPrimPermissions(false);
 
                 if (remoteClient == null)
                 {
@@ -2004,7 +2153,10 @@ namespace OpenSim.Region.Framework.Scenes
             {
                 // If we don't have permission, stop right here
                 if (!permissionToTakeCopy)
+                {
+                    remoteClient.SendAlertMessage("You don't have permission to take the object");
                     return;
+                }
 
                 permissionToTake = true;
                 // Don't delete
@@ -2036,13 +2188,16 @@ namespace OpenSim.Region.Framework.Scenes
                 }
             }
 
+            // OK, we're done with permissions. Let's check if any part of the code prevents the objects from being deleted
+            bool canDelete = EventManager.TriggerDeRezRequested(remoteClient, deleteGroups, action);
+
             if (permissionToTake && (action != DeRezAction.Delete || this.m_useTrashOnDelete))
             {
                 m_asyncSceneObjectDeleter.DeleteToInventory(
                         action, destinationID, deleteGroups, remoteClient,
-                        permissionToDelete);
+                        permissionToDelete && canDelete);
             }
-            else if (permissionToDelete)
+            else if (permissionToDelete && canDelete)
             {
                 foreach (SceneObjectGroup g in deleteGroups)
                     DeleteSceneObject(g, false);
@@ -2050,6 +2205,112 @@ namespace OpenSim.Region.Framework.Scenes
         }
 
         /// <summary>
+        /// Returns the list of Scene Objects in an asset.
+        /// </summary>
+        /// <remarks>
+        /// Returns one object if the asset is a regular object, and multiple objects for a coalesced object.
+        /// </remarks>
+        /// <param name="assetData">Asset data</param>
+        /// <param name="isAttachment">True if the object is an attachment.</param>
+        /// <param name="objlist">The objects included in the asset</param>
+        /// <param name="veclist">Relative positions of the objects</param>
+        /// <param name="bbox">Bounding box of all the objects</param>
+        /// <param name="offsetHeight">Offset in the Z axis from the centre of the bounding box
+        /// to the centre of the root prim (relevant only when returning a single object)</param>
+        /// <returns>
+        /// true if returning a single object or deserialization fails, false if returning the coalesced
+        /// list of objects
+        /// </returns>
+        public bool GetObjectsToRez(
+            byte[] assetData, bool isAttachment, out List<SceneObjectGroup> objlist, out List<Vector3> veclist,
+            out Vector3 bbox, out float offsetHeight)
+        {
+            objlist = new List<SceneObjectGroup>();
+            veclist = new List<Vector3>();
+            bbox = Vector3.Zero;
+            offsetHeight = 0;
+
+            string xmlData = ExternalRepresentationUtils.SanitizeXml(Utils.BytesToString(assetData));
+
+            try
+            {
+                using (XmlTextReader wrappedReader = new XmlTextReader(xmlData, XmlNodeType.Element, null))
+                {
+                    using (XmlReader reader = XmlReader.Create(wrappedReader, new XmlReaderSettings() { IgnoreWhitespace = true, ConformanceLevel = ConformanceLevel.Fragment }))
+                    {
+                        reader.Read();
+                        bool isSingleObject = reader.Name != "CoalescedObject";
+
+                        if (isSingleObject || isAttachment)
+                        {
+                            SceneObjectGroup g;
+                            try
+                            {
+                                g = SceneObjectSerializer.FromOriginalXmlFormat(reader);
+                            }
+                            catch (Exception e)
+                            {
+                                m_log.Error("[AGENT INVENTORY]: Deserialization of xml failed ", e);
+                                Util.LogFailedXML("[AGENT INVENTORY]:", xmlData);
+                                g = null;
+                            }
+                            
+                            if (g != null)
+                            {
+                                objlist.Add(g);
+                                veclist.Add(Vector3.Zero);
+                                bbox = g.GetAxisAlignedBoundingBox(out offsetHeight);
+                            }
+
+                            return true;
+                        }
+                        else
+                        {                
+                            XmlDocument doc = new XmlDocument();
+                            doc.LoadXml(xmlData);
+                            XmlElement e = (XmlElement)doc.SelectSingleNode("/CoalescedObject");
+                            XmlElement coll = (XmlElement)e;
+                            float bx = Convert.ToSingle(coll.GetAttribute("x"));
+                            float by = Convert.ToSingle(coll.GetAttribute("y"));
+                            float bz = Convert.ToSingle(coll.GetAttribute("z"));
+                            bbox = new Vector3(bx, by, bz);
+                            offsetHeight = 0;
+
+                            XmlNodeList groups = e.SelectNodes("SceneObjectGroup");
+                            foreach (XmlNode n in groups)
+                            {
+                                SceneObjectGroup g = SceneObjectSerializer.FromOriginalXmlFormat(n.OuterXml);
+                                if (g != null)
+                                {
+                                    objlist.Add(g);
+
+                                    XmlElement el = (XmlElement)n;
+                                    string rawX = el.GetAttribute("offsetx");
+                                    string rawY = el.GetAttribute("offsety");
+                                    string rawZ = el.GetAttribute("offsetz");
+
+                                    float x = Convert.ToSingle(rawX);
+                                    float y = Convert.ToSingle(rawY);
+                                    float z = Convert.ToSingle(rawZ);
+                                    veclist.Add(new Vector3(x, y, z));
+                                }
+                            }
+
+                            return false;
+                        }
+                    }
+                }
+            }
+            catch (Exception e)
+            {
+                m_log.Error("[AGENT INVENTORY]: Deserialization of xml failed when looking for CoalescedObject tag ", e);
+                Util.LogFailedXML("[AGENT INVENTORY]:", xmlData);
+            }
+
+            return true;
+        }
+
+        /// <summary>
         /// Event Handler Rez an object into a scene
         /// Calls the non-void event handler
         /// </summary>
@@ -2124,19 +2385,25 @@ namespace OpenSim.Region.Framework.Scenes
         /// will be used if it exists.</param>
         /// <param name="vel">The velocity of the rezzed object.</param>
         /// <param name="param"></param>
-        /// <returns>The SceneObjectGroup rezzed or null if rez was unsuccessful</returns>
-        public virtual SceneObjectGroup RezObject(
+        /// <returns>The SceneObjectGroup(s) rezzed, or null if rez was unsuccessful</returns>
+        public virtual List<SceneObjectGroup> RezObject(
             SceneObjectPart sourcePart, TaskInventoryItem item, Vector3 pos, Quaternion? rot, Vector3 vel, int param)
         {
             if (null == item)
                 return null;
+
+            List<SceneObjectGroup> objlist;
+            List<Vector3> veclist;
             
-            SceneObjectGroup group = sourcePart.Inventory.GetRezReadySceneObject(item);
-            
-            if (null == group)
+            bool success = sourcePart.Inventory.GetRezReadySceneObjects(item, out objlist, out veclist);
+            if (!success)
                 return null;
-            
-            if (!Permissions.CanRezObject(group.PrimCount, item.OwnerID, pos))
+
+            int totalPrims = 0;
+            foreach (SceneObjectGroup group in objlist)
+                totalPrims += group.PrimCount;
+
+            if (!Permissions.CanRezObject(totalPrims, item.OwnerID, pos))
                 return null;
 
             if (!Permissions.BypassPermissions())
@@ -2145,16 +2412,28 @@ namespace OpenSim.Region.Framework.Scenes
                     sourcePart.Inventory.RemoveInventoryItem(item.ItemID);
             }
 
-            group.FromPartID = sourcePart.UUID;
-            AddNewSceneObject(group, true, pos, rot, vel);
-            
-            // We can only call this after adding the scene object, since the scene object references the scene
-            // to find out if scripts should be activated at all.
-            group.CreateScriptInstances(param, true, DefaultScriptEngine, 3);
-            
-            group.ScheduleGroupForFullUpdate();
-        
-            return group;
+            for (int i = 0; i < objlist.Count; i++)
+            {
+                SceneObjectGroup group = objlist[i];
+                Vector3 curpos = pos + veclist[i];
+
+                if (group.IsAttachment == false && group.RootPart.Shape.State != 0)
+                {
+                    group.RootPart.AttachedPos = group.AbsolutePosition;
+                    group.RootPart.Shape.LastAttachPoint = (byte)group.AttachmentPoint;
+                }
+
+                group.FromPartID = sourcePart.UUID;
+                AddNewSceneObject(group, true, curpos, rot, vel);
+
+                // We can only call this after adding the scene object, since the scene object references the scene
+                // to find out if scripts should be activated at all.
+                group.CreateScriptInstances(param, true, DefaultScriptEngine, 3);
+
+                group.ScheduleGroupForFullUpdate();
+            }
+
+            return objlist;
         }
 
         public virtual bool returnObjects(SceneObjectGroup[] returnobjects,
diff --git a/OpenSim/Region/Framework/Scenes/Scene.PacketHandlers.cs b/OpenSim/Region/Framework/Scenes/Scene.PacketHandlers.cs
index df43271..8ebcd92 100644
--- a/OpenSim/Region/Framework/Scenes/Scene.PacketHandlers.cs
+++ b/OpenSim/Region/Framework/Scenes/Scene.PacketHandlers.cs
@@ -31,7 +31,6 @@ using System.Threading;
 using OpenMetaverse;
 using OpenMetaverse.Packets;
 using OpenSim.Framework;
-using OpenSim.Framework.Communications;
 using OpenSim.Services.Interfaces;
 
 namespace OpenSim.Region.Framework.Scenes
@@ -145,6 +144,21 @@ namespace OpenSim.Region.Framework.Scenes
         }
 
         /// <summary>
+        ///
+        /// </summary>
+        /// <param name="message"></param>
+        /// <param name="type"></param>
+        /// <param name="channel"></param>
+        /// <param name="fromPos"></param>
+        /// <param name="fromName"></param>
+        /// <param name="fromAgentID"></param>
+        /// <param name="targetID"></param>
+        public void SimChatToAgent(UUID targetID, byte[] message, int channel, Vector3 fromPos, string fromName, UUID fromID, bool fromAgent)
+        {
+            SimChat(message, ChatTypeEnum.Region, channel, fromPos, fromName, fromID, targetID, fromAgent, false);
+        }
+
+        /// <summary>
         /// Invoked when the client requests a prim.
         /// </summary>
         /// <param name="primLocalID"></param>
@@ -244,25 +258,20 @@ namespace OpenSim.Region.Framework.Scenes
             if (part.ParentGroup.RootPart.LocalId != part.LocalId)
                 return;
 
-            bool isAttachment = false;
-            
             // This is wrong, wrong, wrong. Selection should not be
             // handled by group, but by prim. Legacy cruft.
             // TODO: Make selection flagging per prim!
             //
             part.ParentGroup.IsSelected = false;
             
-            if (part.ParentGroup.IsAttachment)
-                isAttachment = true;
-            else
-                part.ParentGroup.ScheduleGroupForFullUpdate();
+            part.ParentGroup.ScheduleGroupForFullUpdate();
 
             // If it's not an attachment, and we are allowed to move it,
             // then we might have done so. If we moved across a parcel
             // boundary, we will need to recount prims on the parcels.
             // For attachments, that makes no sense.
             //
-            if (!isAttachment)
+            if (!part.ParentGroup.IsAttachment)
             {
                 if (Permissions.CanEditObject(
                         part.UUID, remoteClient.AgentId) 
@@ -390,6 +399,7 @@ namespace OpenSim.Region.Framework.Scenes
         void ProcessViewerEffect(IClientAPI remoteClient, List<ViewerEffectEventHandlerArg> args)
         {
             // TODO: don't create new blocks if recycling an old packet
+            bool discardableEffects = true;
             ViewerEffectPacket.EffectBlock[] effectBlockArray = new ViewerEffectPacket.EffectBlock[args.Count];
             for (int i = 0; i < args.Count; i++)
             {
@@ -401,17 +411,34 @@ namespace OpenSim.Region.Framework.Scenes
                 effect.Type = args[i].Type;
                 effect.TypeData = args[i].TypeData;
                 effectBlockArray[i] = effect;
+
+                if ((EffectType)effect.Type != EffectType.LookAt && (EffectType)effect.Type != EffectType.Beam)
+                    discardableEffects = false;
+
+                //m_log.DebugFormat("[YYY]: VE {0} {1} {2}", effect.AgentID, effect.Duration, (EffectType)effect.Type);
             }
 
-            ForEachClient(
-                delegate(IClientAPI client)
+            ForEachScenePresence(sp =>
                 {
-                    if (client.AgentId != remoteClient.AgentId)
-                        client.SendViewerEffect(effectBlockArray);
-                }
-            );
+                    if (sp.ControllingClient.AgentId != remoteClient.AgentId)
+                    {
+                        if (!discardableEffects ||
+                            (discardableEffects && ShouldSendDiscardableEffect(remoteClient, sp)))
+                        {
+                            //m_log.DebugFormat("[YYY]: Sending to {0}", sp.UUID);
+                            sp.ControllingClient.SendViewerEffect(effectBlockArray);
+                        }
+                        //else
+                        //    m_log.DebugFormat("[YYY]: Not sending to {0}", sp.UUID);
+                    }
+                });
         }
-        
+
+        private bool ShouldSendDiscardableEffect(IClientAPI thisClient, ScenePresence other)
+        {
+            return Vector3.Distance(other.CameraPosition, thisClient.SceneAgent.AbsolutePosition) < 10;
+        }
+
         /// <summary>
         /// Tell the client about the various child items and folders contained in the requested folder.
         /// </summary>
@@ -459,7 +486,16 @@ namespace OpenSim.Region.Framework.Scenes
 
         void SendInventoryAsync(IClientAPI remoteClient, UUID folderID, UUID ownerID, bool fetchFolders, bool fetchItems, int sortOrder)
         {
-            SendInventoryUpdate(remoteClient, new InventoryFolderBase(folderID), fetchFolders, fetchItems);
+            try
+            {
+                SendInventoryUpdate(remoteClient, new InventoryFolderBase(folderID), fetchFolders, fetchItems);
+            }
+            catch (Exception e)
+            {
+                m_log.Error(
+                    string.Format(
+                        "[AGENT INVENTORY]: Error in SendInventoryAsync() for {0} with folder ID {1}.  Exception  ", e));
+            }
         }
 
         void SendInventoryComplete(IAsyncResult iar)
diff --git a/OpenSim/Region/Framework/Scenes/Scene.cs b/OpenSim/Region/Framework/Scenes/Scene.cs
index f87d469..2fe6e22 100644..100755
--- a/OpenSim/Region/Framework/Scenes/Scene.cs
+++ b/OpenSim/Region/Framework/Scenes/Scene.cs
@@ -6,7 +6,7 @@
  * modification, are permitted provided that the following conditions are met:
  *     * Redistributions of source code must retain the above copyright
  *       notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above copyrightD
+ *     * Redistributions in binary form must reproduce the above copyright
  *       notice, this list of conditions and the following disclaimer in the
  *       documentation and/or other materials provided with the distribution.
  *     * Neither the name of the OpenSimulator Project nor the
@@ -39,18 +39,19 @@ using Nini.Config;
 using OpenMetaverse;
 using OpenMetaverse.Packets;
 using OpenMetaverse.Imaging;
+using OpenMetaverse.StructuredData;
 using OpenSim.Framework;
 using OpenSim.Framework.Monitoring;
 using OpenSim.Services.Interfaces;
-using OpenSim.Framework.Communications;
 using OpenSim.Framework.Console;
 using OpenSim.Region.Framework.Interfaces;
 using OpenSim.Region.Framework.Scenes.Scripting;
 using OpenSim.Region.Framework.Scenes.Serialization;
-using OpenSim.Region.Physics.Manager;
-using Timer=System.Timers.Timer;
+using OpenSim.Region.PhysicsModules.SharedBase;
+using Timer = System.Timers.Timer;
 using TPFlags = OpenSim.Framework.Constants.TeleportFlags;
 using GridRegion = OpenSim.Services.Interfaces.GridRegion;
+using PermissionMask = OpenSim.Framework.PermissionMask;
 
 namespace OpenSim.Region.Framework.Scenes
 {
@@ -60,6 +61,8 @@ namespace OpenSim.Region.Framework.Scenes
     {
         private const long DEFAULT_MIN_TIME_FOR_PERSISTENCE = 60L;
         private const long DEFAULT_MAX_TIME_FOR_PERSISTENCE = 600L;
+        
+        public const int m_defaultNumberFramesStored = 10;
 
         public delegate void SynchronizeSceneHandler(Scene scene);
 
@@ -102,15 +105,37 @@ namespace OpenSim.Region.Framework.Scenes
         /// <summary>
         /// If false then physical objects are disabled, though collisions will continue as normal.
         /// </summary>
-        public bool PhysicsEnabled { get; set; }
+        public bool PhysicsEnabled
+        {
+            get
+            {
+                return m_physicsEnabled;
+            }
+
+            set
+            {
+                m_physicsEnabled = value;
+
+                if (PhysicsScene != null)
+                {
+                    IPhysicsParameters physScene = PhysicsScene as IPhysicsParameters;
+
+                    if (physScene != null)
+                        physScene.SetPhysicsParameter(
+                            "Active", m_physicsEnabled.ToString(), PhysParameterEntry.APPLY_TO_NONE);
+                }
+            }
+        }
+
+        private bool m_physicsEnabled;
 
         /// <summary>
         /// If false then scripts are not enabled on the smiulator
         /// </summary>
-        public bool ScriptsEnabled 
-        { 
+        public bool ScriptsEnabled
+        {
             get { return m_scripts_enabled; }
-            set 
+            set
             {
                 if (m_scripts_enabled != value)
                 {
@@ -128,7 +153,7 @@ namespace OpenSim.Region.Framework.Scenes
                     else
                     {
                         m_log.Info("Starting all Scripts in Scene");
-    
+
                         EntityBase[] entities = Entities.GetEntities();
                         foreach (EntityBase ent in entities)
                         {
@@ -150,7 +175,7 @@ namespace OpenSim.Region.Framework.Scenes
         public SynchronizeSceneHandler SynchronizeScene;
 
         /// <summary>
-        /// Used to prevent simultaneous calls to RemoveClient() for the same agent from interfering with each other.
+        /// Used to prevent simultaneous calls to code that adds and removes agents.
         /// </summary>
         private object m_removeClientLock = new object();
 
@@ -159,11 +184,6 @@ namespace OpenSim.Region.Framework.Scenes
         /// </summary>
         public SimStatsReporter StatsReporter { get; private set; }
 
-        public List<Border> NorthBorders = new List<Border>();
-        public List<Border> EastBorders = new List<Border>();
-        public List<Border> SouthBorders = new List<Border>();
-        public List<Border> WestBorders = new List<Border>();
-
         /// <summary>
         /// Controls whether physics can be applied to prims.  Even if false, prims still have entries in a
         /// PhysicsScene in order to perform collision detection
@@ -196,7 +216,7 @@ namespace OpenSim.Region.Framework.Scenes
         /// <summary>
         /// Maximum value of the size of a physical prim in each axis
         /// </summary>
-        public float m_maxPhys = 10;
+        public float m_maxPhys = 64;
 
         /// <summary>
         /// Max prims an object will hold
@@ -205,7 +225,13 @@ namespace OpenSim.Region.Framework.Scenes
 
         public bool m_clampPrimSize;
         public bool m_trustBinaries;
-        public bool m_allowScriptCrossings;
+        public bool m_allowScriptCrossings = true;
+
+        /// <summary>
+        /// Can avatars cross from and to this region?
+        /// </summary>
+        public bool AllowAvatarCrossing { get; set; }
+
         public bool m_useFlySlow;
         public bool m_useTrashOnDelete = true;
 
@@ -214,21 +240,58 @@ namespace OpenSim.Region.Framework.Scenes
         /// </summary>
         public bool SendPeriodicAppearanceUpdates { get; set; }
 
+        /// <summary>
+        /// How much a root agent has to change position before updates are sent to viewers.
+        /// </summary>
+        public float RootPositionUpdateTolerance { get; set; }
+
+        /// <summary>
+        /// How much a root agent has to rotate before updates are sent to viewers.
+        /// </summary>
+        public float RootRotationUpdateTolerance { get; set; }
+
+        /// <summary>
+        /// How much a root agent has to change velocity before updates are sent to viewers.
+        /// </summary>
+        public float RootVelocityUpdateTolerance { get; set; }
+
+        /// <summary>
+        /// If greater than 1, we only send terse updates to other root agents on every n updates.
+        /// </summary>
+        public int RootTerseUpdatePeriod { get; set; }
+
+        /// <summary>
+        /// If greater than 1, we only send terse updates to child agents on every n updates.
+        /// </summary>
+        public int ChildTerseUpdatePeriod { get; set; }
+
         protected float m_defaultDrawDistance = 255.0f;
-        public float DefaultDrawDistance 
+        public float DefaultDrawDistance
         {
-            get { return m_defaultDrawDistance; }
+            // get { return m_defaultDrawDistance; }
+            get
+            {
+                if (RegionInfo != null)
+                {
+                    float largestDimension = Math.Max(RegionInfo.RegionSizeX, RegionInfo.RegionSizeY);
+                    m_defaultDrawDistance = Math.Max(m_defaultDrawDistance, largestDimension);
+
+                }
+                return m_defaultDrawDistance;
+            }
         }
 
         private List<string> m_AllowedViewers = new List<string>();
         private List<string> m_BannedViewers = new List<string>();
-        
+
         // TODO: need to figure out how allow client agents but deny
         // root agents when ACL denies access to root agent
         public bool m_strictAccessControl = true;
 
         public int MaxUndoCount { get; set; }
 
+        public bool SeeIntoRegion { get; set; }
+
         // Using this for RegionReady module to prevent LoginsDisabled from changing under our feet;
         public bool LoginLock = false;
 
@@ -262,6 +325,7 @@ namespace OpenSim.Region.Framework.Scenes
         protected IUserAccountService m_UserAccountService;
         protected IAvatarService m_AvatarService;
         protected IGridUserService m_GridUserService;
+        protected IAgentPreferencesService m_AgentPreferencesService;
 
         protected IXMLRPC m_xmlrpcModule;
         protected IWorldComm m_worldCommModule;
@@ -275,6 +339,17 @@ namespace OpenSim.Region.Framework.Scenes
         private Dictionary<string, string> m_extraSettings;
 
         /// <summary>
+        /// If true then the next time the scene loop is activated, updates will be performed by firing of a timer
+        /// rather than on a single thread that sleeps.
+        /// </summary>
+        public bool UpdateOnTimer { get; set; }
+
+        /// <summary>
+        /// Only used if we are updating scene on a timer rather than sleeping a thread.
+        /// </summary>
+        private Timer m_sceneUpdateTimer;
+
+        /// <summary>
         /// Current scene frame number
         /// </summary>
         public uint Frame
@@ -289,30 +364,59 @@ namespace OpenSim.Region.Framework.Scenes
         public uint MaintenanceRun { get; private set; }
 
         /// <summary>
-        /// The minimum length of time in seconds that will be taken for a scene frame.  If the frame takes less time then we
+        /// The minimum length of time in milliseconds that will be taken for a scene frame.  If the frame takes less time then we
         /// will sleep for the remaining period.
         /// </summary>
         /// <remarks>
         /// One can tweak this number to experiment.  One current effect of reducing it is to make avatar animations
         /// occur too quickly (viewer 1) or with even more slide (viewer 2).
         /// </remarks>
-        public float MinFrameTime { get; private set; }
+        public int MinFrameTicks
+        {
+            get { return m_minFrameTicks; }
+            private set
+            {
+                m_minFrameTicks = value;
+                MinFrameSeconds = (float)m_minFrameTicks / 1000;
+            }
+        }
+        private int m_minFrameTicks;
+
+                public int FrameTimeWarnPercent { get; private set; }
+                public int FrameTimeCritPercent { get; private set; }
+
+        // Normalize the frame related stats to nominal 55fps for viewer and scripts option
+        // see SimStatsReporter.cs
+        public bool Normalized55FPS { get; private set; }
+
+        /// <summary>
+        /// The minimum length of time in seconds that will be taken for a scene frame.
+        /// </summary>
+        /// <remarks>
+        /// Always derived from MinFrameTicks.
+        /// </remarks>
+        public float MinFrameSeconds { get; private set; }
 
         /// <summary>
-        /// The minimum length of time in seconds that will be taken for a maintenance run.
+        /// The minimum length of time in milliseconds that will be taken for a scene frame.  If the frame takes less time then we
+        /// will sleep for the remaining period.
         /// </summary>
-        public float MinMaintenanceTime { get; private set; }
+        /// <remarks>
+        /// One can tweak this number to experiment.  One current effect of reducing it is to make avatar animations
+        /// occur too quickly (viewer 1) or with even more slide (viewer 2).
+        /// </remarks>
+        public int MinMaintenanceTicks { get; set; }
 
         private int m_update_physics = 1;
         private int m_update_entitymovement = 1;
         private int m_update_objects = 1;
-        private int m_update_temp_cleaning = 1000;
         private int m_update_presences = 1; // Update scene presence movements
         private int m_update_events = 1;
         private int m_update_backup = 200;
         private int m_update_terrain = 50;
-//        private int m_update_land = 1;
+        //        private int m_update_land = 1;
         private int m_update_coarse_locations = 50;
+        private int m_update_temp_cleaning = 180;
 
         private int agentMS;
         private int frameMS;
@@ -326,6 +430,17 @@ namespace OpenSim.Region.Framework.Scenes
         private int landMS;
         private int spareMS;
 
+        // A temporary configuration flag to enable using FireAndForget to process
+        //   collisions from the physics engine. There is a problem with collisions
+        //   stopping sometimes and MB's suspicion is some race condition passing
+        //   collisions from the physics engine callback to the script engine.
+        //   This causes the collision events to be passed with a FireAndForget
+        //   call which should eliminate that linkage. Testers can turn this on
+        //   and see if collisions stop. If they don't, the problem is somewhere else.
+        //   This feature defaults to 'off' so, by default, the simulator operation
+        //   is not changed.
+        public bool ShouldUseFireAndForgetForCollisions = false;
+
         /// <summary>
         /// Tick at which the last frame was processed.
         /// </summary>
@@ -337,16 +452,28 @@ namespace OpenSim.Region.Framework.Scenes
         private int m_lastMaintenanceTick;
 
         /// <summary>
+        /// Total script execution time (in Stopwatch Ticks) since the last frame
+        /// </summary>
+        private long m_scriptExecutionTime = 0;
+
+        /// <summary>
         /// Signals whether temporary objects are currently being cleaned up.  Needed because this is launched
         /// asynchronously from the update loop.
         /// </summary>
         private bool m_cleaningTemps = false;
 
-//        private Object m_heartbeatLock = new Object();
+        /// <summary>
+        /// Used to control main scene thread looping time when not updating via timer.
+        /// </summary>
+        private ManualResetEvent m_updateWaitEvent = new ManualResetEvent(false);
+
+        /// <summary>
+        /// Used to control maintenance thread runs.
+        /// </summary>
+        private ManualResetEvent m_maintenanceWaitEvent = new ManualResetEvent(false);
 
         // TODO: Possibly stop other classes being able to manipulate this directly.
         private SceneGraph m_sceneGraph;
-        private volatile int m_bordersLocked;
         private readonly Timer m_restartTimer = new Timer(15000); // Wait before firing
         private volatile bool m_backingup;
         private Dictionary<UUID, ReturnInfo> m_returns = new Dictionary<UUID, ReturnInfo>();
@@ -354,6 +481,12 @@ namespace OpenSim.Region.Framework.Scenes
 
         private string m_defaultScriptEngine;
 
+        private int m_unixStartTime;
+        public int UnixStartTime
+        {
+            get { return m_unixStartTime; }
+        }
+
         /// <summary>
         /// Tick at which the last login occurred.
         /// </summary>
@@ -377,7 +510,8 @@ namespace OpenSim.Region.Framework.Scenes
         /// Is the scene active?
         /// </summary>
         /// <remarks>
-        /// If false, maintenance and update loops are not being run.  Updates can still be triggered manually if
+        /// If false, maintenance and update loops are not being run, though after setting to false update may still
+        /// be active for a period (and IsRunning will still be true).  Updates can still be triggered manually if
         /// the scene is not active.
         /// </remarks>
         public bool Active
@@ -388,24 +522,23 @@ namespace OpenSim.Region.Framework.Scenes
                 if (value)
                 {
                     if (!m_active)
-                        Start();
+                        Start(false);
                 }
                 else
                 {
+                    // This appears assymetric with Start() above but is not - setting m_active = false stops the loops
+                    // XXX: Possibly this should be in an explicit Stop() method for symmetry.
                     m_active = false;
                 }
             }
         }
         private volatile bool m_active;
 
-//        private int m_lastUpdate;
-//        private bool m_firstHeartbeat = true;
-        
-        private UpdatePrioritizationSchemes m_priorityScheme = UpdatePrioritizationSchemes.Time;
-        private bool m_reprioritizationEnabled = true;
-        private double m_reprioritizationInterval = 5000.0;
-        private double m_rootReprioritizationDistance = 10.0;
-        private double m_childReprioritizationDistance = 20.0;
+        /// <summary>
+        /// If true then updates are running.  This may be true for a short period after a scene is de-activated.
+        /// </summary>
+        public bool IsRunning { get { return m_isRunning; } }
+        private volatile bool m_isRunning;
 
         private Timer m_mapGenerationTimer = new Timer();
         private bool m_generateMaptiles;
@@ -421,23 +554,18 @@ namespace OpenSim.Region.Framework.Scenes
             set { m_splitRegionID = value; }
         }
 
-        public bool BordersLocked
-        {
-            get { return m_bordersLocked == 1; }
-            set
-            {
-                if (value == true)
-                    m_bordersLocked = 1;
-                else
-                    m_bordersLocked = 0;
-            }
-        }
-        
         public new float TimeDilation
         {
             get { return m_sceneGraph.PhysicsScene.TimeDilation; }
         }
 
+        public void setThreadCount(int inUseThreads)
+        {
+            // Just pass the thread count information on its way as the Scene
+            // does not require the value for anything at this time
+            StatsReporter.SetThreadCount(inUseThreads);
+        }
+
         public SceneCommunicationService SceneGridService
         {
             get { return m_sceneGridService; }
@@ -496,7 +624,7 @@ namespace OpenSim.Region.Framework.Scenes
                 return m_AssetService;
             }
         }
-        
+
         public IAuthorizationService AuthorizationService
         {
             get
@@ -624,6 +752,16 @@ namespace OpenSim.Region.Framework.Scenes
             }
         }
 
+        public IAgentPreferencesService AgentPreferencesService
+        {
+            get
+            {
+                if (m_AgentPreferencesService == null)
+                    m_AgentPreferencesService = RequestModuleInterface<IAgentPreferencesService>();
+                return m_AgentPreferencesService;
+            }
+        }
+
         public IAttachmentsModule AttachmentsModule { get; set; }
         public IEntityTransferModule EntityTransferModule { get; private set; }
         public IAgentAssetTransactions AgentTransactionsModule { get; private set; }
@@ -633,7 +771,7 @@ namespace OpenSim.Region.Framework.Scenes
         {
             get { return m_AvatarFactory; }
         }
-        
+
         public ICapabilitiesModule CapsModule
         {
             get { return m_capsModule; }
@@ -650,11 +788,11 @@ namespace OpenSim.Region.Framework.Scenes
         public int MonitorLandTime { get { return landMS; } }
         public int MonitorLastFrameTick { get { return m_lastFrameTick; } }
 
-        public UpdatePrioritizationSchemes UpdatePrioritizationScheme { get { return m_priorityScheme; } }
-        public bool IsReprioritizationEnabled { get { return m_reprioritizationEnabled; } }
-        public double ReprioritizationInterval { get { return m_reprioritizationInterval; } }
-        public double RootReprioritizationDistance { get { return m_rootReprioritizationDistance; } }
-        public double ChildReprioritizationDistance { get { return m_childReprioritizationDistance; } }
+        public UpdatePrioritizationSchemes UpdatePrioritizationScheme { get; set; }
+        public bool IsReprioritizationEnabled { get; set; }
+        public double ReprioritizationInterval { get; set; }
+        public double RootReprioritizationDistance { get; set; }
+        public double ChildReprioritizationDistance { get; set; }
 
         public AgentCircuitManager AuthenticateHandler
         {
@@ -699,43 +837,46 @@ namespace OpenSim.Region.Framework.Scenes
             get { return m_sceneGraph.Entities; }
         }
 
-        
+
         // used in sequence see: SpawnPoint()
         private int m_SpawnPoint;
         // can be closest/random/sequence
         public string SpawnPointRouting
         {
-            get; private set;
+            get;
+            private set;
         }
         // allow landmarks to pass
         public bool TelehubAllowLandmarks
         {
-            get; private set;
+            get;
+            private set;
         }
 
         #endregion Properties
 
         #region Constructors
 
-        public Scene(RegionInfo regInfo, AgentCircuitManager authen,
-                     SceneCommunicationService sceneGridService,
+        public Scene(RegionInfo regInfo, AgentCircuitManager authen, 
                      ISimulationDataService simDataService, IEstateDataService estateDataService,
-                     bool dumpAssetsToFile,
                      IConfigSource config, string simulatorVersion)
             : this(regInfo)
         {
             m_config = config;
-            MinFrameTime = 0.089f;
-            MinMaintenanceTime = 1;
+            MinFrameTicks = 89;
+            FrameTimeWarnPercent = 60;
+            FrameTimeCritPercent = 40;
+                        Normalized55FPS = true;
+            MinMaintenanceTicks = 1000;
+            SeeIntoRegion = true;
 
             Random random = new Random();
 
             m_lastAllocatedLocalId = (uint)(random.NextDouble() * (double)(uint.MaxValue / 2)) + (uint)(uint.MaxValue / 4);
             m_authenticateHandler = authen;
-            m_sceneGridService = sceneGridService;
+            m_sceneGridService = new SceneCommunicationService();
             m_SimulationDataService = simDataService;
             m_EstateDataService = estateDataService;
-            m_regionHandle = RegionInfo.RegionHandle;
 
             m_asyncSceneObjectDeleter = new AsyncSceneObjectGroupDeleter(this);
             m_asyncSceneObjectDeleter.Enabled = true;
@@ -794,25 +935,8 @@ namespace OpenSim.Region.Framework.Scenes
             EventManager.OnLandObjectRemoved +=
                 new EventManager.LandObjectRemoved(simDataService.RemoveLandObject);
 
-            m_sceneGraph = new SceneGraph(this);
-
-            // If the scene graph has an Unrecoverable error, restart this sim.
-            // Currently the only thing that causes it to happen is two kinds of specific
-            // Physics based crashes.
-            //
-            // Out of memory
-            // Operating system has killed the plugin
-            m_sceneGraph.UnRecoverableError 
-                += () => 
-                    { 
-                        m_log.ErrorFormat("[SCENE]: Restarting region {0} due to unrecoverable physics crash", Name); 
-                        RestartNow(); 
-                    };
-
             RegisterDefaultSceneEvents();
 
-            DumpAssetsToFile = dumpAssetsToFile;
-
             // XXX: Don't set the public property since we don't want to activate here.  This needs to be handled 
             // better in the future.
             m_scripts_enabled = !RegionInfo.RegionSettings.DisableScripts;
@@ -835,10 +959,12 @@ namespace OpenSim.Region.Framework.Scenes
                 UseBackup = startupConfig.GetBoolean("UseSceneBackup", UseBackup);
                 if (!UseBackup)
                     m_log.InfoFormat("[SCENE]: Backup has been disabled for {0}", RegionInfo.RegionName);
-                
+
                 //Animation states
                 m_useFlySlow = startupConfig.GetBoolean("enableflyslow", false);
 
+                SeeIntoRegion = startupConfig.GetBoolean("see_into_region", SeeIntoRegion);
+
                 MaxUndoCount = startupConfig.GetInt("MaxPrimUndos", 20);
 
                 PhysicalPrims = startupConfig.GetBoolean("physical_prim", PhysicalPrims);
@@ -887,10 +1013,10 @@ namespace OpenSim.Region.Framework.Scenes
                 m_trustBinaries = startupConfig.GetBoolean("TrustBinaries", m_trustBinaries);
                 m_allowScriptCrossings = startupConfig.GetBoolean("AllowScriptCrossing", m_allowScriptCrossings);
                 m_dontPersistBefore =
-                  startupConfig.GetLong("MinimumTimeBeforePersistenceConsidered", DEFAULT_MIN_TIME_FOR_PERSISTENCE);
+                    startupConfig.GetLong("MinimumTimeBeforePersistenceConsidered", DEFAULT_MIN_TIME_FOR_PERSISTENCE);
                 m_dontPersistBefore *= 10000000;
                 m_persistAfter =
-                  startupConfig.GetLong("MaximumTimeBeforePersistenceConsidered", DEFAULT_MAX_TIME_FOR_PERSISTENCE);
+                    startupConfig.GetLong("MaximumTimeBeforePersistenceConsidered", DEFAULT_MAX_TIME_FOR_PERSISTENCE);
                 m_persistAfter *= 10000000;
 
                 m_defaultScriptEngine = startupConfig.GetString("DefaultScriptEngine", "XEngine");
@@ -900,10 +1026,15 @@ namespace OpenSim.Region.Framework.Scenes
 
                 m_strictAccessControl = startupConfig.GetBoolean("StrictAccessControl", m_strictAccessControl);
 
-                m_generateMaptiles = startupConfig.GetBoolean("GenerateMaptiles", true);
+                string[] possibleMapConfigSections = new string[] { "Map", "Startup" };
+
+                m_generateMaptiles
+                    = Util.GetConfigVarFromSections<bool>(config, "GenerateMaptiles", possibleMapConfigSections, true);
+
                 if (m_generateMaptiles)
                 {
-                    int maptileRefresh = startupConfig.GetInt("MaptileRefresh", 0);
+                    int maptileRefresh = Util.GetConfigVarFromSections<int>(config, "MaptileRefresh", possibleMapConfigSections, 0);
+                    m_log.InfoFormat("[SCENE]: Region {0}, WORLD MAP refresh time set to {1} seconds", RegionInfo.RegionName, maptileRefresh);
                     if (maptileRefresh != 0)
                     {
                         m_mapGenerationTimer.Interval = maptileRefresh * 1000;
@@ -914,16 +1045,29 @@ namespace OpenSim.Region.Framework.Scenes
                 }
                 else
                 {
-                    string tile = startupConfig.GetString("MaptileStaticUUID", UUID.Zero.ToString());
+                    string tile
+                        = Util.GetConfigVarFromSections<string>(
+                            config, "MaptileStaticUUID", possibleMapConfigSections, UUID.Zero.ToString());
+
                     UUID tileID;
 
-                    if (UUID.TryParse(tile, out tileID))
+                    if (tile != UUID.Zero.ToString() && UUID.TryParse(tile, out tileID))
                     {
                         RegionInfo.RegionSettings.TerrainImageID = tileID;
                     }
+                    else
+                    {
+                        RegionInfo.RegionSettings.TerrainImageID = RegionInfo.MaptileStaticUUID;
+                        m_log.InfoFormat("[SCENE]: Region {0}, maptile set to {1}", RegionInfo.RegionName, RegionInfo.MaptileStaticUUID.ToString());
+                    }
                 }
 
-                string grant = startupConfig.GetString("AllowedClients", String.Empty);
+                string[] possibleAccessControlConfigSections = new string[] { "Startup", "AccessControl"};
+
+                string grant
+                    = Util.GetConfigVarFromSections<string>(
+                        config, "AllowedClients", possibleAccessControlConfigSections, string.Empty);
+
                 if (grant.Length > 0)
                 {
                     foreach (string viewer in grant.Split('|'))
@@ -932,7 +1076,14 @@ namespace OpenSim.Region.Framework.Scenes
                     }
                 }
 
-                grant = startupConfig.GetString("BannedClients", String.Empty);
+                grant
+                    = Util.GetConfigVarFromSections<string>(
+                        config, "DeniedClients", possibleAccessControlConfigSections, String.Empty);
+                // Deal with the mess of someone having used a different word at some point
+                if (grant == String.Empty)
+                    grant = Util.GetConfigVarFromSections<string>(
+                            config, "BannedClients", possibleAccessControlConfigSections, String.Empty);
+
                 if (grant.Length > 0)
                 {
                     foreach (string viewer in grant.Split('|'))
@@ -941,21 +1092,32 @@ namespace OpenSim.Region.Framework.Scenes
                     }
                 }
 
-                MinFrameTime              = startupConfig.GetFloat( "MinFrameTime",                      MinFrameTime);
-                m_update_backup           = startupConfig.GetInt(   "UpdateStorageEveryNFrames",         m_update_backup);
-                m_update_coarse_locations = startupConfig.GetInt(   "UpdateCoarseLocationsEveryNFrames", m_update_coarse_locations);
-                m_update_entitymovement   = startupConfig.GetInt(   "UpdateEntityMovementEveryNFrames",  m_update_entitymovement);
-                m_update_events           = startupConfig.GetInt(   "UpdateEventsEveryNFrames",          m_update_events);
-                m_update_objects          = startupConfig.GetInt(   "UpdateObjectsEveryNFrames",         m_update_objects);
-                m_update_physics          = startupConfig.GetInt(   "UpdatePhysicsEveryNFrames",         m_update_physics);
-                m_update_presences        = startupConfig.GetInt(   "UpdateAgentsEveryNFrames",          m_update_presences);
-                m_update_terrain          = startupConfig.GetInt(   "UpdateTerrainEveryNFrames",         m_update_terrain);
-                m_update_temp_cleaning    = startupConfig.GetInt(   "UpdateTempCleaningEveryNFrames",    m_update_temp_cleaning);
+                if (startupConfig.Contains("MinFrameTime"))
+                    MinFrameTicks = (int)(startupConfig.GetFloat("MinFrameTime") * 1000);
+                FrameTimeWarnPercent      = startupConfig.GetInt( "FrameTimeWarnPercent", FrameTimeWarnPercent);
+                FrameTimeCritPercent      = startupConfig.GetInt( "FrameTimeCritPercent", FrameTimeCritPercent);
+                                Normalized55FPS           = startupConfig.GetBoolean( "Normalized55FPS", Normalized55FPS);
+
+                m_update_backup           = startupConfig.GetInt("UpdateStorageEveryNFrames",         m_update_backup);
+                m_update_coarse_locations = startupConfig.GetInt("UpdateCoarseLocationsEveryNFrames", m_update_coarse_locations);
+                m_update_entitymovement   = startupConfig.GetInt("UpdateEntityMovementEveryNFrames",  m_update_entitymovement);
+                m_update_events           = startupConfig.GetInt("UpdateEventsEveryNFrames",          m_update_events);
+                m_update_objects          = startupConfig.GetInt("UpdateObjectsEveryNFrames",         m_update_objects);
+                m_update_physics          = startupConfig.GetInt("UpdatePhysicsEveryNFrames",         m_update_physics);
+                m_update_presences        = startupConfig.GetInt("UpdateAgentsEveryNFrames",          m_update_presences);
+                m_update_terrain          = startupConfig.GetInt("UpdateTerrainEveryNFrames",         m_update_terrain);
+                m_update_temp_cleaning    = startupConfig.GetInt("UpdateTempCleaningEveryNSeconds",   m_update_temp_cleaning);
+
+                if (startupConfig.Contains("ShouldUseFireAndForgetForCollisions"))
+                {
+                    ShouldUseFireAndForgetForCollisions = startupConfig.GetBoolean("ShouldUseFireAndForgetForCollisions", false);
+                }
             }
 
+
             // FIXME: Ultimately this should be in a module.
-            SendPeriodicAppearanceUpdates = true;
-            
+            SendPeriodicAppearanceUpdates = false;
+
             IConfig appearanceConfig = m_config.Configs["Appearance"];
             if (appearanceConfig != null)
             {
@@ -965,6 +1127,12 @@ namespace OpenSim.Region.Framework.Scenes
 
             #endregion Region Config
 
+            IConfig entityTransferConfig = m_config.Configs["EntityTransfer"];
+            if (entityTransferConfig != null)
+            {
+                AllowAvatarCrossing = entityTransferConfig.GetBoolean("AllowAvatarCrossing", AllowAvatarCrossing);
+            }
+
             #region Interest Management
 
             IConfig interestConfig = m_config.Configs["InterestManagement"];
@@ -974,59 +1142,109 @@ namespace OpenSim.Region.Framework.Scenes
 
                 try
                 {
-                    m_priorityScheme = (UpdatePrioritizationSchemes)Enum.Parse(typeof(UpdatePrioritizationSchemes), update_prioritization_scheme, true);
+                    UpdatePrioritizationScheme = (UpdatePrioritizationSchemes)Enum.Parse(typeof(UpdatePrioritizationSchemes), update_prioritization_scheme, true);
                 }
                 catch (Exception)
                 {
                     m_log.Warn("[PRIORITIZER]: UpdatePrioritizationScheme was not recognized, setting to default prioritizer Time");
-                    m_priorityScheme = UpdatePrioritizationSchemes.Time;
+                    UpdatePrioritizationScheme = UpdatePrioritizationSchemes.Time;
                 }
 
-                m_reprioritizationEnabled = interestConfig.GetBoolean("ReprioritizationEnabled", true);
-                m_reprioritizationInterval = interestConfig.GetDouble("ReprioritizationInterval", 5000.0);
-                m_rootReprioritizationDistance = interestConfig.GetDouble("RootReprioritizationDistance", 10.0);
-                m_childReprioritizationDistance = interestConfig.GetDouble("ChildReprioritizationDistance", 20.0);
+                IsReprioritizationEnabled
+                    = interestConfig.GetBoolean("ReprioritizationEnabled", IsReprioritizationEnabled);
+                ReprioritizationInterval
+                    = interestConfig.GetDouble("ReprioritizationInterval", ReprioritizationInterval);
+                RootReprioritizationDistance
+                    = interestConfig.GetDouble("RootReprioritizationDistance", RootReprioritizationDistance);
+                ChildReprioritizationDistance
+                    = interestConfig.GetDouble("ChildReprioritizationDistance", ChildReprioritizationDistance);
+
+                RootTerseUpdatePeriod = interestConfig.GetInt("RootTerseUpdatePeriod", RootTerseUpdatePeriod);
+                ChildTerseUpdatePeriod = interestConfig.GetInt("ChildTerseUpdatePeriod", ChildTerseUpdatePeriod);
+
+                RootPositionUpdateTolerance
+                    = interestConfig.GetFloat("RootPositionUpdateTolerance", RootPositionUpdateTolerance);
+                RootRotationUpdateTolerance
+                    = interestConfig.GetFloat("RootRotationUpdateTolerance", RootRotationUpdateTolerance);
+                RootVelocityUpdateTolerance
+                    = interestConfig.GetFloat("RootVelocityUpdateTolerance", RootVelocityUpdateTolerance);
             }
 
-            m_log.DebugFormat("[SCENE]: Using the {0} prioritization scheme", m_priorityScheme);
+            m_log.DebugFormat("[SCENE]: Using the {0} prioritization scheme", UpdatePrioritizationScheme);
 
             #endregion Interest Management
 
-            StatsReporter = new SimStatsReporter(this);
+            // The timer used by the Stopwatch class depends on the system hardware and operating system; inform
+            // if the timer is based on a high-resolution performance counter or based on the system timer;
+            // the performance counter will provide a more precise time than the system timer
+            if (Stopwatch.IsHighResolution)
+                m_log.InfoFormat("[SCENE]: Using high-resolution performance counter for statistics.");
+            else
+                m_log.InfoFormat("[SCENE]: Using system timer for statistics.");
+
+            // Acquire the statistics section of the OpenSim.ini file located
+            // in the bin directory
+            IConfig statisticsConfig = m_config.Configs["Statistics"];
+
+            // Confirm that the statistics section existed in the configuration
+            // file
+            if (statisticsConfig != null)
+            {
+                // Create the StatsReporter using the number of frames to store
+                // for the frame time statistics, or 10 frames if the config
+                // file doesn't contain a value
+                StatsReporter = new SimStatsReporter(this,
+                    statisticsConfig.GetInt("NumberOfFrames", 
+                    m_defaultNumberFramesStored));
+            }
+            else
+            {
+                // Create a StatsReporter with the current scene and a default
+                // 10 frames stored for the frame time statistics
+                StatsReporter = new SimStatsReporter(this);
+            }
+
             StatsReporter.OnSendStatsResult += SendSimStatsPackets;
             StatsReporter.OnStatsIncorrect += m_sceneGraph.RecalculateStats;
+
         }
 
-        public Scene(RegionInfo regInfo) : base(regInfo)
+        public Scene(RegionInfo regInfo)
+            : base(regInfo)
         {
+            m_sceneGraph = new SceneGraph(this);
+
+            // If the scene graph has an Unrecoverable error, restart this sim.
+            // Currently the only thing that causes it to happen is two kinds of specific
+            // Physics based crashes.
+            //
+            // Out of memory
+            // Operating system has killed the plugin
+            m_sceneGraph.UnRecoverableError
+                += () =>
+            {
+                m_log.ErrorFormat("[SCENE]: Restarting region {0} due to unrecoverable physics crash", Name);
+                RestartNow();
+            };
+
             PhysicalPrims = true;
             CollidablePrims = true;
             PhysicsEnabled = true;
 
+            AllowAvatarCrossing = true;
+
             PeriodicBackup = true;
             UseBackup = true;
 
-            BordersLocked = true;
-            Border northBorder = new Border();
-            northBorder.BorderLine = new Vector3(float.MinValue, float.MaxValue, (int)Constants.RegionSize);  //<---
-            northBorder.CrossDirection = Cardinals.N;
-            NorthBorders.Add(northBorder);
-
-            Border southBorder = new Border();
-            southBorder.BorderLine = new Vector3(float.MinValue, float.MaxValue,0);    //--->
-            southBorder.CrossDirection = Cardinals.S;
-            SouthBorders.Add(southBorder);
+            IsReprioritizationEnabled = true;
+            UpdatePrioritizationScheme = UpdatePrioritizationSchemes.Time;
+            ReprioritizationInterval = 5000;
 
-            Border eastBorder = new Border();
-            eastBorder.BorderLine = new Vector3(float.MinValue, float.MaxValue, (int)Constants.RegionSize);   //<---
-            eastBorder.CrossDirection = Cardinals.E;
-            EastBorders.Add(eastBorder);
-
-            Border westBorder = new Border();
-            westBorder.BorderLine = new Vector3(float.MinValue, float.MaxValue,0);     //--->
-            westBorder.CrossDirection = Cardinals.W;
-            WestBorders.Add(westBorder);
-            BordersLocked = false;
+            RootRotationUpdateTolerance = 0.1f;
+            RootVelocityUpdateTolerance = 0.001f;
+            RootPositionUpdateTolerance = 0.05f;
+            RootReprioritizationDistance = 10.0;
+            ChildReprioritizationDistance = 20.0;
 
             m_eventManager = new EventManager();
 
@@ -1046,13 +1264,44 @@ namespace OpenSim.Region.Framework.Scenes
             get { return m_sceneGraph; }
         }
 
-        protected virtual void RegisterDefaultSceneEvents()
+        /// <summary>
+        /// Called by the module loader when all modules are loaded, after each module's
+        /// RegionLoaded hook is called. This is the earliest time where RequestModuleInterface
+        /// may be used.
+        /// </summary>
+        public void AllModulesLoaded()
         {
             IDialogModule dm = RequestModuleInterface<IDialogModule>();
 
             if (dm != null)
                 m_eventManager.OnPermissionError += dm.SendAlertToUser;
 
+            ISimulatorFeaturesModule fm = RequestModuleInterface<ISimulatorFeaturesModule>();
+            if (fm != null)
+            {
+                OSD openSimExtras;
+                OSDMap openSimExtrasMap;
+
+                if (!fm.TryGetFeature("OpenSimExtras", out openSimExtras))
+                    openSimExtras = new OSDMap();
+
+                float FrameTime = MinFrameTicks / 1000.0f;
+                float statisticsFPSfactor = 1.0f;
+                if(Normalized55FPS)
+                    statisticsFPSfactor = 55.0f * FrameTime;
+
+                openSimExtrasMap = (OSDMap)openSimExtras;
+                openSimExtrasMap["SimulatorFPS"] = OSD.FromReal(1.0f / FrameTime);
+                openSimExtrasMap["SimulatorFPSFactor"] = OSD.FromReal(statisticsFPSfactor);
+                openSimExtrasMap["SimulatorFPSWarnPercent"] = OSD.FromInteger(FrameTimeWarnPercent);
+                openSimExtrasMap["SimulatorFPSCritPercent"] = OSD.FromInteger(FrameTimeCritPercent);
+
+                fm.AddFeature("OpenSimExtras", openSimExtrasMap);
+            }
+        }
+
+        protected virtual void RegisterDefaultSceneEvents()
+        {
             m_eventManager.OnSignificantClientMovement += HandleOnSignificantClientMovement;
         }
 
@@ -1074,17 +1323,22 @@ namespace OpenSim.Region.Framework.Scenes
         /// <returns>True after all operations complete, throws exceptions otherwise.</returns>
         public override void OtherRegionUp(GridRegion otherRegion)
         {
-            uint xcell = (uint)((int)otherRegion.RegionLocX / (int)Constants.RegionSize);
-            uint ycell = (uint)((int)otherRegion.RegionLocY / (int)Constants.RegionSize);
-            //m_log.InfoFormat("[SCENE]: (on region {0}): Region {1} up in coords {2}-{3}", 
-            //    RegionInfo.RegionName, otherRegion.RegionName, xcell, ycell);
-
             if (RegionInfo.RegionHandle != otherRegion.RegionHandle)
             {
-                // If these are cast to INT because long + negative values + abs returns invalid data
-                int resultX = Math.Abs((int)xcell - (int)RegionInfo.RegionLocX);
-                int resultY = Math.Abs((int)ycell - (int)RegionInfo.RegionLocY);
-                if (resultX <= 1 && resultY <= 1)
+                //// If these are cast to INT because long + negative values + abs returns invalid data
+                //int resultX = Math.Abs((int)xcell - (int)RegionInfo.RegionLocX);
+                //int resultY = Math.Abs((int)ycell - (int)RegionInfo.RegionLocY);
+                //if (resultX <= 1 && resultY <= 1)
+                float dist = (float)Math.Max(DefaultDrawDistance,
+                             (float)Math.Max(RegionInfo.RegionSizeX, RegionInfo.RegionSizeY));
+                uint newRegionX, newRegionY, thisRegionX, thisRegionY;
+                Util.RegionHandleToRegionLoc(otherRegion.RegionHandle, out newRegionX, out newRegionY);
+                Util.RegionHandleToRegionLoc(RegionInfo.RegionHandle, out thisRegionX, out thisRegionY);
+
+                //m_log.InfoFormat("[SCENE]: (on region {0}): Region {1} up in coords {2}-{3}",
+                //    RegionInfo.RegionName, otherRegion.RegionName, newRegionX, newRegionY);
+
+                if (!Util.IsOutsideView(dist, thisRegionX, newRegionX, thisRegionY, newRegionY))
                 {
                     // Let the grid service module know, so this can be cached
                     m_eventManager.TriggerOnRegionUp(otherRegion);
@@ -1147,46 +1401,6 @@ namespace OpenSim.Region.Framework.Scenes
             return found;
         }
 
-        /// <summary>
-        /// Checks whether this region has a neighbour in the given direction.
-        /// </summary>
-        /// <param name="car"></param>
-        /// <param name="fix"></param>
-        /// <returns>
-        /// An integer which represents a compass point.  N == 1, going clockwise until we reach NW == 8.
-        /// Returns a positive integer if there is a region in that direction, a negative integer if not.
-        /// </returns>
-        public int HaveNeighbor(Cardinals car, ref int[] fix)
-        {
-            uint neighbourx = RegionInfo.RegionLocX;
-            uint neighboury = RegionInfo.RegionLocY;
-
-            int dir = (int)car;
-
-            if (dir > 1 && dir < 5) //Heading East
-                neighbourx++;
-            else if (dir > 5) // Heading West
-                neighbourx--;
-
-            if (dir < 3 || dir == 8) // Heading North
-                neighboury++;
-            else if (dir > 3 && dir < 7) // Heading Sout
-                neighboury--;
-
-            int x = (int)(neighbourx * Constants.RegionSize);
-            int y = (int)(neighboury * Constants.RegionSize);
-            GridRegion neighbourRegion = GridService.GetRegionByPosition(RegionInfo.ScopeID, x, y);
-
-            if (neighbourRegion == null)
-            {
-                fix[0] = (int)(RegionInfo.RegionLocX - neighbourx);
-                fix[1] = (int)(RegionInfo.RegionLocY - neighboury);
-                return dir * (-1);
-            }
-            else
-                return dir;
-        }
-
         // Alias IncomingHelloNeighbour OtherRegionUp, for now
         public GridRegion IncomingHelloNeighbour(RegionInfo neighbour)
         {
@@ -1270,14 +1484,14 @@ namespace OpenSim.Region.Framework.Scenes
 
             // Kick all ROOT agents with the message, 'The simulator is going down'
             ForEachScenePresence(delegate(ScenePresence avatar)
-                                 {
-                                     avatar.RemoveNeighbourRegion(RegionInfo.RegionHandle);
+            {
+                avatar.RemoveNeighbourRegion(RegionInfo.RegionHandle);
 
-                                     if (!avatar.IsChildAgent)
-                                         avatar.ControllingClient.Kick("The simulator is going down.");
+                if (!avatar.IsChildAgent)
+                    avatar.ControllingClient.Kick("The simulator is going down.");
 
-                                     avatar.ControllingClient.SendShutdownConnectionNotice();
-                                 });
+                avatar.ControllingClient.SendShutdownConnectionNotice();
+            });
 
             // Stop updating the scene objects and agents.
             m_shuttingDown = true;
@@ -1288,20 +1502,11 @@ namespace OpenSim.Region.Framework.Scenes
             Thread.Sleep(500);
 
             // Stop all client threads.
-            ForEachScenePresence(delegate(ScenePresence avatar) { avatar.ControllingClient.Close(); });
+            ForEachScenePresence(delegate(ScenePresence avatar) { CloseAgent(avatar.UUID, false); });
 
             m_log.Debug("[SCENE]: Persisting changed objects");
             EventManager.TriggerSceneShuttingDown(this);
-
-            EntityBase[] entities = GetEntities();
-            foreach (EntityBase entity in entities)
-            {
-                if (!entity.IsDeleted && entity is SceneObjectGroup && ((SceneObjectGroup)entity).HasGroupChanged)
-                {
-                    ((SceneObjectGroup)entity).ProcessBackup(SimulationDataService, false);
-                }
-            }
-
+            Backup(false);
             m_sceneGraph.Close();
 
             if (!GridService.DeregisterRegion(RegionInfo.RegionID))
@@ -1322,28 +1527,38 @@ namespace OpenSim.Region.Framework.Scenes
             }
         }
 
+        public override void Start()
+        {
+            Start(true);
+        }
+
         /// <summary>
         /// Start the scene
         /// </summary>
-        public void Start()
+        /// <param name='startScripts'>
+        /// Start the scripts within the scene.
+        /// </param> 
+        public void Start(bool startScripts)
         {
+            if (IsRunning)
+                return;
+
+            m_isRunning = true;
             m_active = true;
 
+            m_unixStartTime = Util.UnixTimeSinceEpoch();
 //            m_log.DebugFormat("[SCENE]: Starting Heartbeat timer for {0}", RegionInfo.RegionName);
-
-            //m_heartbeatTimer.Enabled = true;
-            //m_heartbeatTimer.Interval = (int)(m_timespan * 1000);
-            //m_heartbeatTimer.Elapsed += new ElapsedEventHandler(Heartbeat);
             if (m_heartbeatThread != null)
             {
                 m_heartbeatThread.Abort();
                 m_heartbeatThread = null;
             }
-//            m_lastUpdate = Util.EnvironmentTickCount();
 
             m_heartbeatThread
-                = Watchdog.StartThread(
-                    Heartbeat, string.Format("Heartbeat ({0})", RegionInfo.RegionName), ThreadPriority.Normal, false, false);
+                = WorkManager.StartThread(
+                    Heartbeat, string.Format("Heartbeat-({0})", RegionInfo.RegionName.Replace(" ", "_")), ThreadPriority.Normal, false, false);
+
+            StartScripts();
         }
 
         /// <summary>
@@ -1374,15 +1589,6 @@ namespace OpenSim.Region.Framework.Scenes
         /// </summary>
         private void Heartbeat()
         {
-//            if (!Monitor.TryEnter(m_heartbeatLock))
-//            {
-//                Watchdog.RemoveThread();
-//                return;
-//            }
-
-//            try
-//            {
-
             m_eventManager.TriggerOnRegionStarted(this);
 
             // The first frame can take a very long time due to physics actors being added on startup.  Therefore,
@@ -1390,22 +1596,49 @@ namespace OpenSim.Region.Framework.Scenes
             // alarms for scenes with many objects.
             Update(1);
 
-            Watchdog.StartThread(
-                    Maintenance, string.Format("Maintenance ({0})", RegionInfo.RegionName), ThreadPriority.Normal, false, true);
+            WorkManager.StartThread(
+                Maintenance, string.Format("Maintenance ({0})", RegionInfo.RegionName), ThreadPriority.Normal, false, true);
 
             Watchdog.GetCurrentThreadInfo().AlarmIfTimeout = true;
-            Update(-1);
+            m_lastFrameTick = Util.EnvironmentTickCount();
 
-//                m_lastUpdate = Util.EnvironmentTickCount();
-//                m_firstHeartbeat = false;
-//            }
-//            finally
-//            {
-//                Monitor.Pulse(m_heartbeatLock);
-//                Monitor.Exit(m_heartbeatLock);
-//            }
+            if (UpdateOnTimer)
+            {
+                m_sceneUpdateTimer = new Timer(MinFrameTicks);
+                m_sceneUpdateTimer.AutoReset = true;
+                m_sceneUpdateTimer.Elapsed += Update;
+                m_sceneUpdateTimer.Start();
+            }
+            else
+            {
+                Thread.CurrentThread.Priority = ThreadPriority.Highest;
+                Update(-1);
+                Watchdog.RemoveThread();
+                m_isRunning = false;
+            }
+        }
 
-            Watchdog.RemoveThread();
+        private volatile bool m_isTimerUpdateRunning;
+
+        private void Update(object sender, ElapsedEventArgs e)
+        {
+            if (m_isTimerUpdateRunning)
+                return;
+
+            m_isTimerUpdateRunning = true;
+
+            // If the last frame did not complete on time, then immediately start the next update on the same thread
+            // and ignore further timed updates until we have a frame that had spare time.
+            while (!Update(1) && Active) { }
+
+            if (!Active || m_shuttingDown)
+            {
+                m_sceneUpdateTimer.Stop();
+                m_sceneUpdateTimer = null;
+                m_isRunning = false;
+            }
+
+            m_isTimerUpdateRunning = false;
         }
 
         private void Maintenance()
@@ -1418,7 +1651,7 @@ namespace OpenSim.Region.Framework.Scenes
         public void DoMaintenance(int runs)
         {
             long? endRun = null;
-            int runtc;
+            int runtc, tmpMS;
             int previousMaintenanceTick;
 
             if (runs >= 0)
@@ -1432,6 +1665,8 @@ namespace OpenSim.Region.Framework.Scenes
                 runtc = Util.EnvironmentTickCount();
                 ++MaintenanceRun;
 
+                // m_log.DebugFormat("[SCENE]: Maintenance run {0} in {1}", MaintenanceRun, Name);
+
                 // Coarse locations relate to positions of green dots on the mini-map (on a SecondLife client)
                 if (MaintenanceRun % (m_update_coarse_locations / 10) == 0)
                 {
@@ -1445,7 +1680,7 @@ namespace OpenSim.Region.Framework.Scenes
 
                 if (SendPeriodicAppearanceUpdates && MaintenanceRun % 60 == 0)
                 {
-//                    m_log.DebugFormat("[SCENE]: Sending periodic appearance updates");
+                    // m_log.DebugFormat("[SCENE]: Sending periodic appearance updates");
 
                     if (AvatarFactory != null)
                     {
@@ -1453,29 +1688,44 @@ namespace OpenSim.Region.Framework.Scenes
                     }
                 }
 
+                // Delete temp-on-rez stuff
+                if (MaintenanceRun % m_update_temp_cleaning == 0 && !m_cleaningTemps)
+                {
+                    // m_log.DebugFormat("[SCENE]: Running temp-on-rez cleaning in {0}", Name);
+                    tmpMS = Util.EnvironmentTickCount();
+                    m_cleaningTemps = true;
+
+                    WorkManager.RunInThread(
+                        delegate { CleanTempObjects(); m_cleaningTemps = false; },
+                        null,
+                        string.Format("CleanTempObjects ({0})", Name));
+
+                    tempOnRezMS = Util.EnvironmentTickCountSubtract(tmpMS);
+                }
+
                 Watchdog.UpdateThread();
 
                 previousMaintenanceTick = m_lastMaintenanceTick;
                 m_lastMaintenanceTick = Util.EnvironmentTickCount();
                 runtc = Util.EnvironmentTickCountSubtract(m_lastMaintenanceTick, runtc);
-                runtc = (int)(MinMaintenanceTime * 1000) - runtc;
-    
+                runtc = MinMaintenanceTicks - runtc;
+
                 if (runtc > 0)
-                    Thread.Sleep(runtc);
-    
+                    m_maintenanceWaitEvent.WaitOne(runtc);
+
                 // Optionally warn if a frame takes double the amount of time that it should.
                 if (DebugUpdates
                     && Util.EnvironmentTickCountSubtract(
-                        m_lastMaintenanceTick, previousMaintenanceTick) > (int)(MinMaintenanceTime * 1000 * 2))
+                        m_lastMaintenanceTick, previousMaintenanceTick) > MinMaintenanceTicks * 2)
                     m_log.WarnFormat(
                         "[SCENE]: Maintenance took {0} ms (desired max {1} ms) in {2}",
                         Util.EnvironmentTickCountSubtract(m_lastMaintenanceTick, previousMaintenanceTick),
-                        MinMaintenanceTime * 1000,
+                        MinMaintenanceTicks,
                         RegionInfo.RegionName);
             }
         }
 
-        public override void Update(int frames)
+        public override bool Update(int frames)
         {
             long? endFrame = null;
 
@@ -1484,101 +1734,159 @@ namespace OpenSim.Region.Framework.Scenes
 
             float physicsFPS = 0f;
             int previousFrameTick, tmpMS;
-            int maintc = Util.EnvironmentTickCount();
+
+            // These variables will be used to save the precise frame time using the
+            // Stopwatch class of Microsoft SDK; the times are recorded at the start
+            // and end of a particular section of code, and then used to calculate
+            // the frame times, which are the sums of the sections for each given name
+            double preciseTotalFrameTime = 0.0;
+            double preciseSimFrameTime = 0.0;
+            double precisePhysicsFrameTime = 0.0;
+            Stopwatch totalFrameStopwatch = new Stopwatch();
+            Stopwatch simFrameStopwatch = new Stopwatch();
+            Stopwatch physicsFrameStopwatch = new Stopwatch();
+
+            // Begin the stopwatch to keep track of the time that the frame
+            // started running to determine how long the frame took to complete
+            totalFrameStopwatch.Start();
 
             while (!m_shuttingDown && ((endFrame == null && Active) || Frame < endFrame))
             {
                 ++Frame;
 
-//            m_log.DebugFormat("[SCENE]: Processing frame {0} in {1}", Frame, RegionInfo.RegionName);
+                // m_log.DebugFormat("[SCENE]: Processing frame {0} in {1}", Frame, RegionInfo.RegionName);
 
-                agentMS = tempOnRezMS = eventMS = backupMS = terrainMS = landMS = spareMS = 0;
+                agentMS = eventMS = backupMS = terrainMS = landMS = spareMS = 0;
 
                 try
                 {
+                    EventManager.TriggerRegionHeartbeatStart(this);
+
                     // Apply taints in terrain module to terrain in physics scene
                     if (Frame % m_update_terrain == 0)
                     {
+                        // At several points inside the code there was a need to
+                        // create a more precise measurement of time elapsed. 
+                        // This led to the addition of variables that have a 
+                        // similar function and thus remain tightly connected to 
+                        // their original counterparts. However, the original 
+                        // code is not receiving comments from our group because 
+                        // we don't feel right modifying the code to that degree 
+                        // at this point in time, the precise values all begin 
+                        // with the keyword precise
                         tmpMS = Util.EnvironmentTickCount();
+                        simFrameStopwatch.Start();
                         UpdateTerrain();
+
+                        // Get the simulation frame time that the avatar force 
+                        // input took
+                        simFrameStopwatch.Stop();
+                        preciseSimFrameTime =
+                            simFrameStopwatch.Elapsed.TotalMilliseconds;
                         terrainMS = Util.EnvironmentTickCountSubtract(tmpMS);
                     }
 
+                    // At several points inside the code there was a need to
+                    // create a more precise measurement of time elapsed. This
+                    // led to the addition of variables that have a similar
+                    // function and thus remain tightly connected to their
+                    // original counterparts. However, the original code is
+                    // not receiving comments from our group because we don't
+                    // feel right modifying the code to that degree at this
+                    // point in time, the precise values all begin with the
+                    // keyword precise
+
                     tmpMS = Util.EnvironmentTickCount();
+
+                    // Begin the stopwatch to track the time to prepare physics
+                    physicsFrameStopwatch.Start();
                     if (PhysicsEnabled && Frame % m_update_physics == 0)
                         m_sceneGraph.UpdatePreparePhysics();
+
+                    // Get the time it took to prepare the physics, this
+                    // would report the most precise time that physics was
+                    // running on the machine and should the physics not be
+                    // enabled will report the time it took to check if physics
+                    // was enabled
+                    physicsFrameStopwatch.Stop();
+                    precisePhysicsFrameTime = physicsFrameStopwatch.Elapsed.TotalMilliseconds;
                     physicsMS2 = Util.EnvironmentTickCountSubtract(tmpMS);
-    
+
                     // Apply any pending avatar force input to the avatar's velocity
                     tmpMS = Util.EnvironmentTickCount();
+                    simFrameStopwatch.Restart();
                     if (Frame % m_update_entitymovement == 0)
                         m_sceneGraph.UpdateScenePresenceMovement();
+
+                    // Get the simulation frame time that the avatar force input 
+                    // took
+                    simFrameStopwatch.Stop();
+                    preciseSimFrameTime +=
+                        simFrameStopwatch.Elapsed.TotalMilliseconds;
                     agentMS = Util.EnvironmentTickCountSubtract(tmpMS);
-    
+
                     // Perform the main physics update.  This will do the actual work of moving objects and avatars according to their
                     // velocity
                     tmpMS = Util.EnvironmentTickCount();
+                    physicsFrameStopwatch.Restart();
                     if (Frame % m_update_physics == 0)
                     {
                         if (PhysicsEnabled)
-                            physicsFPS = m_sceneGraph.UpdatePhysics(MinFrameTime);
-    
+                            physicsFPS = m_sceneGraph.UpdatePhysics(MinFrameSeconds);
+
                         if (SynchronizeScene != null)
                             SynchronizeScene(this);
                     }
+
+                    // Add the main physics update time to the prepare physics time
+                    physicsFrameStopwatch.Stop();
+                    precisePhysicsFrameTime += physicsFrameStopwatch.Elapsed.TotalMilliseconds;
                     physicsMS = Util.EnvironmentTickCountSubtract(tmpMS);
 
+                    // Start the stopwatch for the remainder of the simulation
+                    simFrameStopwatch.Restart();
                     tmpMS = Util.EnvironmentTickCount();
-    
+
                     // Check if any objects have reached their targets
                     CheckAtTargets();
-    
+
                     // Update SceneObjectGroups that have scheduled themselves for updates
                     // Objects queue their updates onto all scene presences
                     if (Frame % m_update_objects == 0)
                         m_sceneGraph.UpdateObjectGroups();
-    
+
                     // Run through all ScenePresences looking for updates
                     // Presence updates and queued object updates for each presence are sent to clients
                     if (Frame % m_update_presences == 0)
                         m_sceneGraph.UpdatePresences();
-    
+
                     agentMS += Util.EnvironmentTickCountSubtract(tmpMS);
-    
-                    // Delete temp-on-rez stuff
-                    if (Frame % m_update_temp_cleaning == 0 && !m_cleaningTemps)
-                    {
-                        tmpMS = Util.EnvironmentTickCount();
-                        m_cleaningTemps = true;
-                        Util.FireAndForget(delegate { CleanTempObjects(); m_cleaningTemps = false;  });
-                        tempOnRezMS = Util.EnvironmentTickCountSubtract(tmpMS);
-                    }
-    
+
                     if (Frame % m_update_events == 0)
                     {
                         tmpMS = Util.EnvironmentTickCount();
                         UpdateEvents();
                         eventMS = Util.EnvironmentTickCountSubtract(tmpMS);
                     }
-    
+
                     if (PeriodicBackup && Frame % m_update_backup == 0)
                     {
                         tmpMS = Util.EnvironmentTickCount();
                         UpdateStorageBackup();
                         backupMS = Util.EnvironmentTickCountSubtract(tmpMS);
                     }
-    
+
                     //if (Frame % m_update_land == 0)
                     //{
                     //    int ldMS = Util.EnvironmentTickCount();
                     //    UpdateLand();
                     //    landMS = Util.EnvironmentTickCountSubtract(ldMS);
                     //}
-    
+
                     if (!LoginsEnabled && Frame == 20)
                     {
-    //                    m_log.DebugFormat("{0} {1} {2}", LoginsDisabled, m_sceneGraph.GetActiveScriptsCount(), LoginLock);
-    
+                        // m_log.DebugFormat("{0} {1} {2}", LoginsDisabled, m_sceneGraph.GetActiveScriptsCount(), LoginLock);
+
                         // In 99.9% of cases it is a bad idea to manually force garbage collection. However,
                         // this is a rare case where we know we have just went through a long cycle of heap
                         // allocations, and there is no more work to be done until someone logs in
@@ -1593,7 +1901,7 @@ namespace OpenSim.Region.Framework.Scenes
                             }
 
                             m_sceneGridService.InformNeighborsThatRegionisUp(
-                                RequestModuleInterface<INeighbourService>(), RegionInfo);
+                            RequestModuleInterface<INeighbourService>(), RegionInfo);
 
                             // Region ready should always be set
                             Ready = true;
@@ -1604,7 +1912,7 @@ namespace OpenSim.Region.Framework.Scenes
                             if (m_sceneGraph.GetActiveScriptsCount() == 0)
                             {
                                 // In this case, we leave it to the IRegionReadyModule to enable logins
-                               
+
                                 // LoginLock can currently only be set by a region module implementation.
                                 // If somehow this hasn't been done then the quickest way to bugfix is to see the
                                 // NullReferenceException
@@ -1620,26 +1928,42 @@ namespace OpenSim.Region.Framework.Scenes
                         "[SCENE]: Failed on region {0} with exception {1}{2}",
                         RegionInfo.RegionName, e.Message, e.StackTrace);
                 }
-    
+
                 EventManager.TriggerRegionHeartbeatEnd(this);
+                otherMS = eventMS + backupMS + terrainMS + landMS;
 
-                Watchdog.UpdateThread();
+                // Get the elapsed time for the simulation frame
+                simFrameStopwatch.Stop();
+                preciseSimFrameTime +=
+                    simFrameStopwatch.Elapsed.TotalMilliseconds;
 
-                previousFrameTick = m_lastFrameTick;
-                m_lastFrameTick = Util.EnvironmentTickCount();
-                tmpMS = Util.EnvironmentTickCountSubtract(m_lastFrameTick, maintc);
-                tmpMS = (int)(MinFrameTime * 1000) - tmpMS;
+                if (!UpdateOnTimer)
+                {
+                    Watchdog.UpdateThread();
 
-                if (tmpMS > 0)
+                    spareMS = MinFrameTicks - Util.EnvironmentTickCountSubtract(m_lastFrameTick);
+
+                    if (spareMS > 0)
+                        m_updateWaitEvent.WaitOne(spareMS);
+                    else
+                        spareMS = 0;
+                }
+                else
                 {
-                    Thread.Sleep(tmpMS);
-                    spareMS += tmpMS;
+                    spareMS = Math.Max(0, MinFrameTicks - physicsMS2 - agentMS - physicsMS - otherMS);
                 }
 
-                frameMS = Util.EnvironmentTickCountSubtract(maintc);
-                maintc = Util.EnvironmentTickCount();
+                // Get the total frame time
+                totalFrameStopwatch.Stop();
+                preciseTotalFrameTime =
+                    totalFrameStopwatch.Elapsed.TotalMilliseconds;
 
-                otherMS = tempOnRezMS + eventMS + backupMS + terrainMS + landMS;
+                // Restart the stopwatch for the total time of the next frame
+                totalFrameStopwatch.Restart();
+
+                previousFrameTick = m_lastFrameTick;
+                frameMS = Util.EnvironmentTickCountSubtract(m_lastFrameTick);
+                m_lastFrameTick = Util.EnvironmentTickCount();
 
                 // if (Frame%m_update_avatars == 0)
                 //   UpdateInWorldTime();
@@ -1653,18 +1977,53 @@ namespace OpenSim.Region.Framework.Scenes
                 StatsReporter.addOtherMS(otherMS);
                 StatsReporter.AddSpareMS(spareMS);
                 StatsReporter.addScriptLines(m_sceneGraph.GetScriptLPS());
+                StatsReporter.AddScriptMS((int) GetAndResetScriptExecutionTime());
+
+                // Send the correct time values to the stats reporter for the
+                // frame times
+                StatsReporter.addFrameTimeMilliseconds(preciseTotalFrameTime,
+                    preciseSimFrameTime, precisePhysicsFrameTime, 0.0);
+
+                // Send the correct number of frames that the physics library
+                // has processed to the stats reporter
+                StatsReporter.addPhysicsFrame(1);
 
-               // Optionally warn if a frame takes double the amount of time that it should.
+                // Optionally warn if a frame takes double the amount of time that it should.
                 if (DebugUpdates
                     && Util.EnvironmentTickCountSubtract(
-                        m_lastFrameTick, previousFrameTick) > (int)(MinFrameTime * 1000 * 2))
+                        m_lastFrameTick, previousFrameTick) > MinFrameTicks * 2)
                     m_log.WarnFormat(
                         "[SCENE]: Frame took {0} ms (desired max {1} ms) in {2}",
                         Util.EnvironmentTickCountSubtract(m_lastFrameTick, previousFrameTick),
-                        MinFrameTime * 1000,
+                        MinFrameTicks,
                         RegionInfo.RegionName);
             }
-        }        
+
+            // Finished updating scene frame, so stop the total frame's Stopwatch
+            totalFrameStopwatch.Stop();
+
+            return spareMS >= 0;
+        }
+
+        /// <summary>
+        /// Adds the execution time of one script to the total scripts execution time for this region.
+        /// </summary>
+        /// <param name="ticks">Elapsed Stopwatch ticks</param>
+        public void AddScriptExecutionTime(long ticks)
+        {
+            Interlocked.Add(ref m_scriptExecutionTime, ticks);
+        }
+
+        /// <summary>
+        /// Returns the total execution time of all the scripts in the region since the last frame
+        /// (in milliseconds), and clears the value in preparation for the next frame.
+        /// </summary>
+        /// <returns>Time in milliseconds</returns>
+        private long GetAndResetScriptExecutionTime()
+        {
+            long ticks = Interlocked.Exchange(ref m_scriptExecutionTime, 0);
+            return (ticks * 1000) / Stopwatch.Frequency;
+        }
 
         public void AddGroupTarget(SceneObjectGroup grp)
         {
@@ -1723,7 +2082,7 @@ namespace OpenSim.Region.Framework.Scenes
             if (!m_backingup)
             {
                 m_backingup = true;
-                Util.FireAndForget(BackupWaitCallback);
+                WorkManager.RunInThread(o => Backup(false), null, string.Format("BackupWaitCallback ({0})", Name));
             }
         }
 
@@ -1736,16 +2095,12 @@ namespace OpenSim.Region.Framework.Scenes
         }
 
         /// <summary>
-        /// Wrapper for Backup() that can be called with Util.FireAndForget()
-        /// </summary>
-        private void BackupWaitCallback(object o)
-        {
-            Backup(false);
-        }
-        
-        /// <summary>
-        /// Backup the scene.  This acts as the main method of the backup thread.
+        /// Backup the scene.
         /// </summary>
+        /// <remarks>
+        /// This acts as the main method of the backup thread.  In a regression test whether the backup thread is not
+        /// running independently this can be invoked directly.
+        /// </remarks>
         /// <param name="forced">
         /// If true, then any changes that have not yet been persisted are persisted.  If false,
         /// then the persistence decision is left to the backup code (in some situations, such as object persistence,
@@ -1784,7 +2139,7 @@ namespace OpenSim.Region.Framework.Scenes
 
                     IMessageTransferModule tr = RequestModuleInterface<IMessageTransferModule>();
                     if (tr != null)
-                        tr.SendInstantMessage(msg, delegate(bool success) {});
+                        tr.SendInstantMessage(msg, delegate(bool success) { });
                 }
                 m_returns.Clear();
             }
@@ -1798,6 +2153,7 @@ namespace OpenSim.Region.Framework.Scenes
         {
             if (group != null)
             {
+                group.HasGroupChanged = true;
                 group.ProcessBackup(SimulationDataService, true);
             }
         }
@@ -1866,7 +2222,7 @@ namespace OpenSim.Region.Framework.Scenes
         {
             try
             {
-                double[,] map = SimulationDataService.LoadTerrain(RegionInfo.RegionID);
+                TerrainData map = SimulationDataService.LoadTerrain(RegionInfo.RegionID, (int)RegionInfo.RegionSizeX, (int)RegionInfo.RegionSizeY, (int)RegionInfo.RegionSizeZ);
                 if (map == null)
                 {
                     // This should be in the Terrain module, but it isn't because
@@ -1877,7 +2233,7 @@ namespace OpenSim.Region.Framework.Scenes
                         m_InitialTerrain = terrainConfig.GetString("InitialTerrain", m_InitialTerrain);
 
                     m_log.InfoFormat("[TERRAIN]: No default terrain. Generating a new terrain {0}.", m_InitialTerrain);
-                    Heightmap = new TerrainChannel(m_InitialTerrain);
+                    Heightmap = new TerrainChannel(m_InitialTerrain, (int)RegionInfo.RegionSizeX, (int)RegionInfo.RegionSizeY, (int)RegionInfo.RegionSizeZ);
 
                     SimulationDataService.StoreTerrain(Heightmap.GetDoubles(), RegionInfo.RegionID);
                 }
@@ -1891,9 +2247,9 @@ namespace OpenSim.Region.Framework.Scenes
                 m_log.WarnFormat(
                     "[TERRAIN]: Scene.cs: LoadWorldMap() - Regenerating as failed with exception {0}{1}",
                     e.Message, e.StackTrace);
-                
+
                 // Non standard region size.    If there's an old terrain in the database, it might read past the buffer
-                #pragma warning disable 0162
+#pragma warning disable 0162
                 if ((int)Constants.RegionSize != 256)
                 {
                     Heightmap = new TerrainChannel();
@@ -1921,10 +2277,16 @@ namespace OpenSim.Region.Framework.Scenes
             //// stored in the GridService, because that's what the world map module uses
             //// to send the map image UUIDs (of other regions) to the viewer...
             if (m_generateMaptiles)
-                RegenerateMaptile();
+            RegenerateMaptile();
 
             GridRegion region = new GridRegion(RegionInfo);
             string error = GridService.RegisterRegion(RegionInfo.ScopeID, region);
+            // m_log.DebugFormat("[SCENE]: RegisterRegionWithGrid. name={0},id={1},loc=<{2},{3}>,size=<{4},{5}>",
+            //                    m_regionName, 
+            //                    RegionInfo.RegionID,
+            //                    RegionInfo.RegionLocX, RegionInfo.RegionLocY,
+            //                    RegionInfo.RegionSizeX, RegionInfo.RegionSizeY);
+
             if (error != String.Empty)
                 throw new Exception(error);
         }
@@ -1985,13 +2347,26 @@ namespace OpenSim.Region.Framework.Scenes
                 rootPart.TrimPermissions();
 
                 // Don't do this here - it will get done later on when sculpt data is loaded.
-//                group.CheckSculptAndLoad();
+                //                group.CheckSculptAndLoad();
             }
 
             LoadingPrims = false;
             EventManager.TriggerPrimsLoaded(this);
         }
 
+        public bool SupportsRayCastFiltered()
+        {
+            if (PhysicsScene == null)
+                return false;
+            return PhysicsScene.SupportsRaycastWorldFiltered();
+        }
+
+        public object RayCastFiltered(Vector3 position, Vector3 direction, float length, int Count, RayFilterFlags filter)
+        {
+            if (PhysicsScene == null)
+                return null;
+            return PhysicsScene.RaycastWorld(position, direction, length, Count, filter);
+        }
 
         /// <summary>
         /// Gets a new rez location based on the raycast and the size of the object that is being rezzed.
@@ -2020,8 +2395,8 @@ namespace OpenSim.Region.Framework.Scenes
                 SceneObjectPart target = GetSceneObjectPart(RayTargetID);
 
                 Vector3 direction = Vector3.Normalize(RayEnd - RayStart);
-                Vector3 AXOrigin = new Vector3(RayStart.X, RayStart.Y, RayStart.Z);
-                Vector3 AXdirection = new Vector3(direction.X, direction.Y, direction.Z);
+                Vector3 AXOrigin = RayStart;
+                Vector3 AXdirection = direction;
 
                 if (target != null)
                 {
@@ -2037,19 +2412,19 @@ namespace OpenSim.Region.Framework.Scenes
                     EntityIntersection ei = target.TestIntersectionOBB(NewRay, Quaternion.Identity, frontFacesOnly, FaceCenter);
 
                     // Un-comment out the following line to Get Raytrace results printed to the console.
-                   // m_log.Info("[RAYTRACERESULTS]: Hit:" + ei.HitTF.ToString() + " Point: " + ei.ipoint.ToString() + " Normal: " + ei.normal.ToString());
+                    // m_log.Info("[RAYTRACERESULTS]: Hit:" + ei.HitTF.ToString() + " Point: " + ei.ipoint.ToString() + " Normal: " + ei.normal.ToString());
                     float ScaleOffset = 0.5f;
 
                     // If we hit something
                     if (ei.HitTF)
                     {
-                        Vector3 scaleComponent = new Vector3(ei.AAfaceNormal.X, ei.AAfaceNormal.Y, ei.AAfaceNormal.Z);
+                        Vector3 scaleComponent = ei.AAfaceNormal;
                         if (scaleComponent.X != 0) ScaleOffset = scale.X;
                         if (scaleComponent.Y != 0) ScaleOffset = scale.Y;
                         if (scaleComponent.Z != 0) ScaleOffset = scale.Z;
                         ScaleOffset = Math.Abs(ScaleOffset);
-                        Vector3 intersectionpoint = new Vector3(ei.ipoint.X, ei.ipoint.Y, ei.ipoint.Z);
-                        Vector3 normal = new Vector3(ei.normal.X, ei.normal.Y, ei.normal.Z);
+                        Vector3 intersectionpoint = ei.ipoint;
+                        Vector3 normal = ei.normal;
                         // Set the position to the intersection point
                         Vector3 offset = (normal * (ScaleOffset / 2f));
                         pos = (intersectionpoint + offset);
@@ -2058,7 +2433,7 @@ namespace OpenSim.Region.Framework.Scenes
                         //And in cases when we weren't rezzing from inventory we were re-adding the 0.25 straight after calling this method
                         // Un-offset the prim (it gets offset later by the consumer method)
                         //pos.Z -= 0.25F; 
-                       
+
                     }
 
                     return pos;
@@ -2074,8 +2449,9 @@ namespace OpenSim.Region.Framework.Scenes
 
                     if (ei.HitTF)
                     {
-                        pos = new Vector3(ei.ipoint.X, ei.ipoint.Y, ei.ipoint.Z);
-                    } else
+                        pos = ei.ipoint;
+                    }
+                    else
                     {
                         // fall back to our stupid functionality
                         pos = RayEnd;
@@ -2137,7 +2513,7 @@ namespace OpenSim.Region.Framework.Scenes
             //    "[SCENE]: Scene.AddNewPrim() pcode {0} called for {1} in {2}", shape.PCode, ownerID, RegionInfo.RegionName);
 
             SceneObjectGroup sceneObject = null;
-            
+
             // If an entity creator has been registered for this prim type then use that
             if (m_entityCreators.ContainsKey((PCode)shape.PCode))
             {
@@ -2158,7 +2534,7 @@ namespace OpenSim.Region.Framework.Scenes
 
             return sceneObject;
         }
-        
+
         /// <summary>
         /// Add an object into the scene that has come from storage
         /// </summary>
@@ -2191,7 +2567,7 @@ namespace OpenSim.Region.Framework.Scenes
             return false;
 
         }
-        
+
         /// <summary>
         /// Add an object into the scene that has come from storage
         /// </summary>
@@ -2227,7 +2603,7 @@ namespace OpenSim.Region.Framework.Scenes
         {
             return AddNewSceneObject(sceneObject, attachToBackup, true);
         }
-        
+
         /// <summary>
         /// Add a newly created object to the scene
         /// </summary>
@@ -2242,16 +2618,16 @@ namespace OpenSim.Region.Framework.Scenes
         /// </param>
         /// <returns>true if the object was added.  false if not</returns>
         public bool AddNewSceneObject(SceneObjectGroup sceneObject, bool attachToBackup, bool sendClientUpdates)
-        {           
+        {
             if (m_sceneGraph.AddNewSceneObject(sceneObject, attachToBackup, sendClientUpdates))
             {
                 EventManager.TriggerObjectAddedToScene(sceneObject);
-                return true;       
+                return true;
             }
-            
+
             return false;
         }
-        
+
         /// <summary>
         /// Add a newly created object to the scene.
         /// </summary>
@@ -2268,7 +2644,7 @@ namespace OpenSim.Region.Framework.Scenes
             SceneObjectGroup sceneObject, bool attachToBackup, Vector3? pos, Quaternion? rot, Vector3 vel)
         {
             if (m_sceneGraph.AddNewSceneObject(sceneObject, attachToBackup, pos, rot, vel))
-            {            
+            {
                 EventManager.TriggerObjectAddedToScene(sceneObject);
                 return true;
             }
@@ -2316,8 +2692,8 @@ namespace OpenSim.Region.Framework.Scenes
         /// <param name="silent">Suppress broadcasting changes to other clients.</param>
         /// <param name="removeScripts">If true, then scripts are removed.  If false, then they are only stopped.</para>
         public void DeleteSceneObject(SceneObjectGroup group, bool silent, bool removeScripts)
-        {            
-//            m_log.DebugFormat("[SCENE]: Deleting scene object {0} {1}", group.Name, group.UUID);
+        {
+            // m_log.DebugFormat("[SCENE]: Deleting scene object {0} {1}", group.Name, group.UUID);
 
             if (removeScripts)
                 group.RemoveScriptInstances(true);
@@ -2328,6 +2704,12 @@ namespace OpenSim.Region.Framework.Scenes
 
             foreach (SceneObjectPart part in partList)
             {
+                if (part.KeyframeMotion != null)
+                {
+                    part.KeyframeMotion.Delete();
+                    part.KeyframeMotion = null;
+                }
+
                 if (part.IsJoint() && ((part.Flags & PrimFlags.Physics) != 0))
                 {
                     PhysicsScene.RequestJointDeletion(part.Name); // FIXME: what if the name changed?
@@ -2346,7 +2728,7 @@ namespace OpenSim.Region.Framework.Scenes
 
             group.DeleteGroupFromScene(silent);
 
-//            m_log.DebugFormat("[SCENE]: Exit DeleteSceneObject() for {0} {1}", group.Name, group.UUID);            
+            // m_log.DebugFormat("[SCENE]: Exit DeleteSceneObject() for {0} {1}", group.Name, group.UUID);            
         }
 
         /// <summary>
@@ -2362,17 +2744,16 @@ namespace OpenSim.Region.Framework.Scenes
             {
                 if (!softDelete)
                 {
-                    // Force a database update so that the scene object group ID is accurate.  It's possible that the
-                    // group has recently been delinked from another group but that this change has not been persisted
-                    // to the DB.
+                    // If the group contains prims whose SceneGroupID is incorrect then force a
+                    // database update, because RemoveObject() works by searching on the SceneGroupID.
                     // This is an expensive thing to do so only do it if absolutely necessary.
-                    if (so.HasGroupChangedDueToDelink)
-                        ForceSceneObjectBackup(so);                
-                    
+                    if (so.GroupContainsForeignPrims)
+                        ForceSceneObjectBackup(so);
+
                     so.DetachFromBackup();
                     SimulationDataService.RemoveObject(so.UUID, RegionInfo.RegionID);
                 }
-                                    
+
                 // We need to keep track of this state in case this group is still queued for further backup.
                 so.IsDeleted = true;
 
@@ -2431,186 +2812,35 @@ namespace OpenSim.Region.Framework.Scenes
                 EntityTransferModule.Cross(grp, attemptedPosition, silent);
         }
 
-        public Border GetCrossedBorder(Vector3 position, Cardinals gridline)
+        // Simple test to see if a position is in the current region.
+        // This test is mostly used to see if a region crossing is necessary.
+        // Assuming the position is relative to the region so anything outside its bounds.
+        // Return 'true' if position inside region.
+        public bool PositionIsInCurrentRegion(Vector3 pos)
         {
-            if (BordersLocked)
-            {
-                switch (gridline)
-                {
-                    case Cardinals.N:
-                        lock (NorthBorders)
-                        {
-                            foreach (Border b in NorthBorders)
-                            {
-                                if (b.TestCross(position))
-                                    return b;
-                            }
-                        }
-                        break;
-                    case Cardinals.S:
-                        lock (SouthBorders)
-                        {
-                            foreach (Border b in SouthBorders)
-                            {
-                                if (b.TestCross(position))
-                                    return b;
-                            }
-                        }
-
-                        break;
-                    case Cardinals.E:
-                        lock (EastBorders)
-                        {
-                            foreach (Border b in EastBorders)
-                            {
-                                if (b.TestCross(position))
-                                    return b;
-                            }
-                        }
-
-                        break;
-                    case Cardinals.W:
-
-                        lock (WestBorders)
-                        {
-                            foreach (Border b in WestBorders)
-                            {
-                                if (b.TestCross(position))
-                                    return b;
-                            }
-                        }
-                        break;
+            bool ret = false;
+            int xx = (int)Math.Floor(pos.X);
+            int yy = (int)Math.Floor(pos.Y);
+            if (xx < 0 || yy < 0)
+                return false;
 
-                }
+            IRegionCombinerModule regionCombinerModule = RequestModuleInterface<IRegionCombinerModule>();
+            if (regionCombinerModule == null)
+            {
+                // Regular region. Just check for region size
+                if (xx < RegionInfo.RegionSizeX && yy < RegionInfo.RegionSizeY)
+                    ret = true;
             }
             else
             {
-                switch (gridline)
-                {
-                    case Cardinals.N:
-                        foreach (Border b in NorthBorders)
-                        {
-                            if (b.TestCross(position))
-                                return b;
-                        }
-                       
-                        break;
-                    case Cardinals.S:
-                        foreach (Border b in SouthBorders)
-                        {
-                            if (b.TestCross(position))
-                                return b;
-                        }
-                        break;
-                    case Cardinals.E:
-                        foreach (Border b in EastBorders)
-                        {
-                            if (b.TestCross(position))
-                                return b;
-                        }
-
-                        break;
-                    case Cardinals.W:
-                        foreach (Border b in WestBorders)
-                        {
-                            if (b.TestCross(position))
-                                return b;
-                        }
-                        break;
-
-                }
+                // We're in a mega-region so see if we are still in that larger region
+                ret = regionCombinerModule.PositionIsInMegaregion(this.RegionInfo.RegionID, xx, yy);
             }
-            
 
-            return null;
-        }
+            return ret;
 
-        public bool TestBorderCross(Vector3 position, Cardinals border)
-        {
-            if (BordersLocked)
-            {
-                switch (border)
-                {
-                    case Cardinals.N:
-                        lock (NorthBorders)
-                        {
-                            foreach (Border b in NorthBorders)
-                            {
-                                if (b.TestCross(position))
-                                    return true;
-                            }
-                        }
-                        break;
-                    case Cardinals.E:
-                        lock (EastBorders)
-                        {
-                            foreach (Border b in EastBorders)
-                            {
-                                if (b.TestCross(position))
-                                    return true;
-                            }
-                        }
-                        break;
-                    case Cardinals.S:
-                        lock (SouthBorders)
-                        {
-                            foreach (Border b in SouthBorders)
-                            {
-                                if (b.TestCross(position))
-                                    return true;
-                            }
-                        }
-                        break;
-                    case Cardinals.W:
-                        lock (WestBorders)
-                        {
-                            foreach (Border b in WestBorders)
-                            {
-                                if (b.TestCross(position))
-                                    return true;
-                            }
-                        }
-                        break;
-                }
-            }
-            else
-            {
-                switch (border)
-                {
-                    case Cardinals.N:
-                        foreach (Border b in NorthBorders)
-                        {
-                            if (b.TestCross(position))
-                                return true;
-                        }
-                        break;
-                    case Cardinals.E:
-                        foreach (Border b in EastBorders)
-                        {
-                            if (b.TestCross(position))
-                                return true;
-                        }
-                        break;
-                    case Cardinals.S:
-                        foreach (Border b in SouthBorders)
-                        {
-                            if (b.TestCross(position))
-                                return true;
-                        }
-                        break;
-                    case Cardinals.W:
-                        foreach (Border b in WestBorders)
-                        {
-                            if (b.TestCross(position))
-                                return true;
-                        }
-                        break;
-                }
-            }
-            return false;
         }
 
-
         /// <summary>
         /// Called when objects or attachments cross the border, or teleport, between regions.
         /// </summary>
@@ -2632,45 +2862,8 @@ namespace OpenSim.Region.Framework.Scenes
                 return false;
             }
 
-            // If the user is banned, we won't let any of their objects
-            // enter. Period.
-            //
-            if (RegionInfo.EstateSettings.IsBanned(newObject.OwnerID))
-            {
-                m_log.InfoFormat("[INTERREGION]: Denied prim crossing for banned avatar {0}", newObject.OwnerID);
-                return false;
-            }
-
-            if (newPosition != Vector3.Zero)
-                newObject.RootPart.GroupPosition = newPosition;
-
-            if (!AddSceneObject(newObject))
-            {
-                m_log.DebugFormat(
-                    "[INTERREGION]: Problem adding scene object {0} in {1} ", newObject.UUID, RegionInfo.RegionName);
+            if (!EntityTransferModule.HandleIncomingSceneObject(newObject, newPosition))
                 return false;
-            }
-
-            if (!newObject.IsAttachment)
-            {
-                // FIXME: It would be better to never add the scene object at all rather than add it and then delete
-                // it
-                if (!Permissions.CanObjectEntry(newObject.UUID, true, newObject.AbsolutePosition))
-                {
-                    // Deny non attachments based on parcel settings
-                    //
-                    m_log.Info("[INTERREGION]: Denied prim crossing because of parcel settings");
-
-                    DeleteSceneObject(newObject, false);
-
-                    return false;
-                }
-
-                // For attachments, we need to wait until the agent is root
-                // before we restart the scripts, or else some functions won't work.
-                newObject.RootPart.ParentGroup.CreateScriptInstances(0, false, DefaultScriptEngine, GetStateSource(newObject));
-                newObject.ResumeScripts();
-            }
 
             // Do this as late as possible so that listeners have full access to the incoming object
             EventManager.TriggerOnIncomingSceneObject(newObject);
@@ -2697,7 +2890,7 @@ namespace OpenSim.Region.Framework.Scenes
             {
                 sceneObject.RootPart.AddFlag(PrimFlags.TemporaryOnRez);
                 sceneObject.RootPart.AddFlag(PrimFlags.Phantom);
-                      
+
                 // Don't sent a full update here because this will cause full updates to be sent twice for 
                 // attachments on region crossings, resulting in viewer glitches.
                 AddRestoredSceneObject(sceneObject, false, false, false);
@@ -2712,15 +2905,18 @@ namespace OpenSim.Region.Framework.Scenes
                 {
                     SceneObjectGroup grp = sceneObject;
 
-//                    m_log.DebugFormat(
-//                        "[ATTACHMENT]: Received attachment {0}, inworld asset id {1}", grp.FromItemID, grp.UUID);
-//                    m_log.DebugFormat(
-//                        "[ATTACHMENT]: Attach to avatar {0} at position {1}", sp.UUID, grp.AbsolutePosition);
+                    // m_log.DebugFormat(
+                    //     "[ATTACHMENT]: Received attachment {0}, inworld asset id {1}", grp.FromItemID, grp.UUID);
+                    // m_log.DebugFormat(
+                    //     "[ATTACHMENT]: Attach to avatar {0} at position {1}", sp.UUID, grp.AbsolutePosition);
 
                     RootPrim.RemFlag(PrimFlags.TemporaryOnRez);
-                    
+
+                    // We must currently not resume scripts at this stage since AttachmentsModule does not have the 
+                    // information that this is due to a teleport/border cross rather than an ordinary attachment.
+                    // We currently do this in Scene.MakeRootAgent() instead.
                     if (AttachmentsModule != null)
-                        AttachmentsModule.AttachObject(sp, grp, 0, false, false);
+                        AttachmentsModule.AttachObject(sp, grp, 0, false, false, true);
                 }
                 else
                 {
@@ -2736,28 +2932,22 @@ namespace OpenSim.Region.Framework.Scenes
             return true;
         }
 
-        private int GetStateSource(SceneObjectGroup sog)
-        {
-            ScenePresence sp = GetScenePresence(sog.OwnerID);
-
-            if (sp != null)
-                return sp.GetStateSource();
-
-            return 2; // StateSource.PrimCrossing
-        }
-
         #endregion
 
         #region Add/Remove Avatar Methods
 
-        public override ISceneAgent AddNewClient(IClientAPI client, PresenceType type)
+        public override ISceneAgent AddNewAgent(IClientAPI client, PresenceType type)
         {
             ScenePresence sp;
             bool vialogin;
+            bool reallyNew = true;
+
+            // Update the number of users attempting to login
+            StatsReporter.UpdateUsersLoggingIn(true);
 
             // Validation occurs in LLUDPServer
             //
-            // XXX: A race condition exists here where two simultaneous calls to AddNewClient can interfere with
+            // XXX: A race condition exists here where two simultaneous calls to AddNewAgent can interfere with
             // each other.  In practice, this does not currently occur in the code.
             AgentCircuitData aCircuit = m_authenticateHandler.GetAgentCircuitData(client.CircuitCode);
 
@@ -2765,9 +2955,9 @@ namespace OpenSim.Region.Framework.Scenes
             // and a simultaneous one that removes it (as can happen if the client is closed at a particular point
             // whilst connecting).
             //
-            // It would be easier to lock across all NewUserConnection(), AddNewClient() and
+            // It would be easier to lock across all NewUserConnection(), AddNewAgent() and
             // RemoveClient() calls for all agents, but this would allow a slow call (e.g. because of slow service
-            // response in some module listening to AddNewClient()) from holding up unrelated agent calls.
+            // response in some module listening to AddNewAgent()) from holding up unrelated agent calls.
             //
             // In practice, the lock (this) in LLUDPServer.AddNewClient() currently lock across all
             // AddNewClient() operations (though not other ops).
@@ -2777,68 +2967,90 @@ namespace OpenSim.Region.Framework.Scenes
                 vialogin
                     = (aCircuit.teleportFlags & (uint)Constants.TeleportFlags.ViaHGLogin) != 0
                         || (aCircuit.teleportFlags & (uint)Constants.TeleportFlags.ViaLogin) != 0;
-    
-    //            CheckHeartbeat();
-    
+
+                // CheckHeartbeat();
+
                 sp = GetScenePresence(client.AgentId);
 
                 // XXX: Not sure how good it is to add a new client if a scene presence already exists.  Possibly this
                 // could occur if a viewer crashes and relogs before the old client is kicked out.  But this could cause
-                // other problems, and possible the code calling AddNewClient() should ensure that no client is already
+                // other problems, and possibly the code calling AddNewAgent() should ensure that no client is already
                 // connected.
                 if (sp == null)
                 {
                     m_log.DebugFormat(
                         "[SCENE]: Adding new child scene presence {0} {1} to scene {2} at pos {3}",
                         client.Name, client.AgentId, RegionInfo.RegionName, client.StartPos);
-    
+
+                    sp = m_sceneGraph.CreateAndAddChildScenePresence(client, aCircuit.Appearance, type);
+
+                    // We must set this here so that TriggerOnNewClient and TriggerOnClientLogin can determine whether the
+                    // client is for a root or child agent.
+                    // We must also set this before adding the client to the client manager so that an exception later on
+                    // does not leave a client manager entry without the scene agent set, which will cause other code
+                    // to fail since any entry in the client manager should have a ScenePresence
+                    //
+                    // XXX: This may be better set for a new client before that client is added to the client manager.
+                    // But need to know what happens in the case where a ScenePresence is already present (and if this 
+                    // actually occurs).
+                    client.SceneAgent = sp;
+
                     m_clientManager.Add(client);
                     SubscribeToClientEvents(client);
-    
-                    sp = m_sceneGraph.CreateAndAddChildScenePresence(client, aCircuit.Appearance, type);
                     m_eventManager.TriggerOnNewPresence(sp);
-    
+
                     sp.TeleportFlags = (TPFlags)aCircuit.teleportFlags;
-    
-                    // The first agent upon login is a root agent by design.
-                    // For this agent we will have to rez the attachments.
-                    // All other AddNewClient calls find aCircuit.child to be true.
-                    if (aCircuit.child == false)
-                    {
-                        // We have to set SP to be a root agent here so that SP.MakeRootAgent() will later not try to
-                        // start the scripts again (since this is done in RezAttachments()).
-                        // XXX: This is convoluted.
-                        sp.IsChildAgent = false;
-    
-                        if (AttachmentsModule != null)
-                            Util.FireAndForget(delegate(object o) { AttachmentsModule.RezAttachments(sp); });
-                    }
                 }
                 else
                 {
+                    // We must set this here so that TriggerOnNewClient and TriggerOnClientLogin can determine whether the
+                    // client is for a root or child agent.
+                    // XXX: This may be better set for a new client before that client is added to the client manager.
+                    // But need to know what happens in the case where a ScenePresence is already present (and if this 
+                    // actually occurs).
+                    client.SceneAgent = sp;
+
                     m_log.WarnFormat(
                         "[SCENE]: Already found {0} scene presence for {1} in {2} when asked to add new scene presence",
                         sp.IsChildAgent ? "child" : "root", sp.Name, RegionInfo.RegionName);
+
+                    reallyNew = false;
                 }
-    
-                // We must set this here so that TriggerOnNewClient and TriggerOnClientLogin can determine whether the
-                // client is for a root or child agent.
-                client.SceneAgent = sp;
 
-                // Cache the user's name
+                // This is currently also being done earlier in NewUserConnection for real users to see if this 
+                // resolves problems where HG agents are occasionally seen by others as "Unknown user" in chat and other
+                // places.  However, we still need to do it here for NPCs.
                 CacheUserName(sp, aCircuit);
-    
-                EventManager.TriggerOnNewClient(client);
+
+                if (reallyNew)
+                    EventManager.TriggerOnNewClient(client);
+
                 if (vialogin)
                     EventManager.TriggerOnClientLogin(client);
             }
 
+            // User has logged into the scene so update the list of users logging
+            // in
+            StatsReporter.UpdateUsersLoggingIn(false);
+
             m_LastLogin = Util.EnvironmentTickCount();
 
             return sp;
         }
 
         /// <summary>
+        /// Returns the Home URI of the agent, or null if unknown.
+        /// </summary>
+        public string GetAgentHomeURI(UUID agentID)
+        {
+            AgentCircuitData circuit = AuthenticateHandler.GetAgentCircuitData(agentID);
+            if (circuit != null && circuit.ServiceURLs != null && circuit.ServiceURLs.ContainsKey("HomeURI"))
+                return circuit.ServiceURLs["HomeURI"].ToString();
+            else
+                return null;
+        }
+
+        /// <summary>
         /// Cache the user name for later use.
         /// </summary>
         /// <param name="sp"></param>
@@ -2849,7 +3061,7 @@ namespace OpenSim.Region.Framework.Scenes
             {
                 string first = aCircuit.firstname, last = aCircuit.lastname;
 
-                if (sp.PresenceType == PresenceType.Npc)
+                if (sp != null && sp.PresenceType == PresenceType.Npc)
                 {
                     UserManagementModule.AddUser(aCircuit.AgentID, first, last);
                 }
@@ -2878,7 +3090,7 @@ namespace OpenSim.Region.Framework.Scenes
         private bool VerifyClient(AgentCircuitData aCircuit, System.Net.IPEndPoint ep, out bool vialogin)
         {
             vialogin = false;
-            
+
             // Do the verification here
             if ((aCircuit.teleportFlags & (uint)Constants.TeleportFlags.ViaHGLogin) != 0)
             {
@@ -2929,7 +3141,7 @@ namespace OpenSim.Region.Framework.Scenes
                         {
                             PresenceService.LogoutAgent(sp.ControllingClient.SessionId);
 
-                            sp.ControllingClient.Close();
+                            CloseAgent(sp.UUID, false);
                         }
                         else
                         {
@@ -2973,7 +3185,7 @@ namespace OpenSim.Region.Framework.Scenes
         {
             client.OnRegionHandShakeReply += SendLayerData;
         }
-        
+
         public virtual void SubscribeToClientPrimEvents(IClientAPI client)
         {
             client.OnUpdatePrimGroupPosition += m_sceneGraph.UpdatePrimGroupPosition;
@@ -2983,7 +3195,7 @@ namespace OpenSim.Region.Framework.Scenes
             client.OnUpdatePrimGroupMouseRotation += m_sceneGraph.UpdatePrimGroupRotation;
             client.OnUpdatePrimSingleRotation += m_sceneGraph.UpdatePrimSingleRotation;
             client.OnUpdatePrimSingleRotationPosition += m_sceneGraph.UpdatePrimSingleRotationPosition;
-            
+
             client.OnUpdatePrimScale += m_sceneGraph.UpdatePrimScale;
             client.OnUpdatePrimGroupScale += m_sceneGraph.UpdatePrimGroupScale;
             client.OnUpdateExtraParams += m_sceneGraph.UpdateExtraParam;
@@ -2996,7 +3208,7 @@ namespace OpenSim.Region.Framework.Scenes
             client.OnSpinStart += m_sceneGraph.SpinStart;
             client.OnSpinUpdate += m_sceneGraph.SpinObject;
             client.OnDeRezObject += DeRezObjects;
-            
+
             client.OnObjectName += m_sceneGraph.PrimName;
             client.OnObjectClickAction += m_sceneGraph.PrimClickAction;
             client.OnObjectMaterial += m_sceneGraph.PrimMaterial;
@@ -3008,7 +3220,7 @@ namespace OpenSim.Region.Framework.Scenes
             client.OnRequestObjectPropertiesFamily += m_sceneGraph.RequestObjectPropertiesFamily;
             client.OnObjectPermissions += HandleObjectPermissionsUpdate;
             client.OnGrabObject += ProcessObjectGrab;
-            client.OnGrabUpdate += ProcessObjectGrabUpdate; 
+            client.OnGrabUpdate += ProcessObjectGrabUpdate;
             client.OnDeGrabObject += ProcessObjectDeGrab;
             client.OnUndo += m_sceneGraph.HandleUndo;
             client.OnRedo += m_sceneGraph.HandleRedo;
@@ -3068,10 +3280,8 @@ namespace OpenSim.Region.Framework.Scenes
         {
             //client.OnNameFromUUIDRequest += HandleUUIDNameRequest;
             client.OnMoneyTransferRequest += ProcessMoneyTransferRequest;
-            client.OnSetStartLocationRequest += SetHomeRezPoint;
-            client.OnRegionHandleRequest += RegionHandleRequest;
         }
-        
+
         public virtual void SubscribeToClientNetworkEvents(IClientAPI client)
         {
             client.OnNetworkStatsUpdate += StatsReporter.AddPacketsStats;
@@ -3193,8 +3403,6 @@ namespace OpenSim.Region.Framework.Scenes
         {
             //client.OnNameFromUUIDRequest -= HandleUUIDNameRequest;
             client.OnMoneyTransferRequest -= ProcessMoneyTransferRequest;
-            client.OnSetStartLocationRequest -= SetHomeRezPoint;
-            client.OnRegionHandleRequest -= RegionHandleRequest;
         }
 
         public virtual void UnSubscribeToClientNetworkEvents(IClientAPI client)
@@ -3208,17 +3416,18 @@ namespace OpenSim.Region.Framework.Scenes
         /// </summary>
         /// <param name="agentId">The avatar's Unique ID</param>
         /// <param name="client">The IClientAPI for the client</param>
-        public virtual void TeleportClientHome(UUID agentId, IClientAPI client)
+        public virtual bool TeleportClientHome(UUID agentId, IClientAPI client)
         {
             if (EntityTransferModule != null)
             {
-                EntityTransferModule.TeleportHome(agentId, client);
+                return EntityTransferModule.TeleportHome(agentId, client);
             }
             else
             {
                 m_log.DebugFormat("[SCENE]: Unable to teleport user home: no AgentTransferModule is active");
                 client.SendTeleportFailed("Unable to perform teleports on this simulator.");
             }
+            return false;
         }
 
         /// <summary>
@@ -3264,8 +3473,8 @@ namespace OpenSim.Region.Framework.Scenes
             if (target != null && target2 != null)
             {
                 Vector3 direction = Vector3.Normalize(RayEnd - RayStart);
-                Vector3 AXOrigin = new Vector3(RayStart.X, RayStart.Y, RayStart.Z);
-                Vector3 AXdirection = new Vector3(direction.X, direction.Y, direction.Z);
+                Vector3 AXOrigin = RayStart;
+                Vector3 AXdirection = direction;
 
                 pos = target2.AbsolutePosition;
                 //m_log.Info("[OBJECT_REZ]: TargetPos: " + pos.ToString() + ", RayStart: " + RayStart.ToString() + ", RayEnd: " + RayEnd.ToString() + ", Volume: " + Util.GetDistanceTo(RayStart,RayEnd).ToString() + ", mag1: " + Util.GetMagnitude(RayStart).ToString() + ", mag2: " + Util.GetMagnitude(RayEnd).ToString());
@@ -3286,13 +3495,13 @@ namespace OpenSim.Region.Framework.Scenes
                 if (ei.HitTF)
                 {
                     Vector3 scale = target.Scale;
-                    Vector3 scaleComponent = new Vector3(ei.AAfaceNormal.X, ei.AAfaceNormal.Y, ei.AAfaceNormal.Z);
+                    Vector3 scaleComponent = ei.AAfaceNormal;
                     if (scaleComponent.X != 0) ScaleOffset = scale.X;
                     if (scaleComponent.Y != 0) ScaleOffset = scale.Y;
                     if (scaleComponent.Z != 0) ScaleOffset = scale.Z;
                     ScaleOffset = Math.Abs(ScaleOffset);
-                    Vector3 intersectionpoint = new Vector3(ei.ipoint.X, ei.ipoint.Y, ei.ipoint.Z);
-                    Vector3 normal = new Vector3(ei.normal.X, ei.normal.Y, ei.normal.Z);
+                    Vector3 intersectionpoint = ei.ipoint;
+                    Vector3 normal = ei.normal;
                     Vector3 offset = normal * (ScaleOffset / 2f);
                     pos = intersectionpoint + offset;
 
@@ -3312,6 +3521,7 @@ namespace OpenSim.Region.Framework.Scenes
                     {
                         copy = m_sceneGraph.DuplicateObject(localID, pos, target.GetEffectiveObjectFlags(), AgentID, GroupID, Quaternion.Identity);
                     }
+
                     if (copy != null)
                         EventManager.TriggerObjectAddedToScene(copy);
                 }
@@ -3319,24 +3529,7 @@ namespace OpenSim.Region.Framework.Scenes
         }
 
         /// <summary>
-        /// Sets the Home Point.   The LoginService uses this to know where to put a user when they log-in
-        /// </summary>
-        /// <param name="remoteClient"></param>
-        /// <param name="regionHandle"></param>
-        /// <param name="position"></param>
-        /// <param name="lookAt"></param>
-        /// <param name="flags"></param>
-        public virtual void SetHomeRezPoint(IClientAPI remoteClient, ulong regionHandle, Vector3 position, Vector3 lookAt, uint flags)
-        {
-            if (GridUserService != null && GridUserService.SetHome(remoteClient.AgentId.ToString(), RegionInfo.RegionID, position, lookAt))
-                // FUBAR ALERT: this needs to be "Home position set." so the viewer saves a home-screenshot.
-                m_dialogModule.SendAlertToUser(remoteClient, "Home position set.");
-            else
-                m_dialogModule.SendAlertToUser(remoteClient, "Set Home request Failed.");
-        }
-
-        /// <summary>
-        /// Get the avatar apperance for the given client.
+        /// Get the avatar appearance for the given client.
         /// </summary>
         /// <param name="client"></param>
         /// <param name="appearance"></param>
@@ -3359,93 +3552,93 @@ namespace OpenSim.Region.Framework.Scenes
             }
         }
 
-        public override void RemoveClient(UUID agentID, bool closeChildAgents)
+        /// <summary>
+        /// Remove the given client from the scene. 
+        /// </summary>
+        /// <remarks>
+        /// Only clientstack code should call this directly.  All other code should call IncomingCloseAgent() instead
+        /// to properly operate the state machine and avoid race conditions with other close requests (such as directly
+        /// from viewers).
+        /// </remarks>
+        /// <param name='agentID'>ID of agent to close</param>
+        /// <param name='closeChildAgents'>
+        /// Close the neighbour child agents associated with this client.
+        /// </param>
+        public void RemoveClient(UUID agentID, bool closeChildAgents)
         {
-//            CheckHeartbeat();
-            bool isChildAgent = false;
-            AgentCircuitData acd;
+            AgentCircuitData acd = m_authenticateHandler.GetAgentCircuitData(agentID);
 
-            lock (m_removeClientLock)
+            // Shouldn't be necessary since RemoveClient() is currently only called by IClientAPI.Close() which 
+            // in turn is only called by Scene.IncomingCloseAgent() which checks whether the presence exists or not
+            // However, will keep for now just in case.
+            if (acd == null)
             {
-                acd = m_authenticateHandler.GetAgentCircuitData(agentID);
+                m_log.ErrorFormat(
+                    "[SCENE]: No agent circuit found for {0} in {1}, aborting Scene.RemoveClient", agentID, Name);
 
-                if (acd == null)
-                {
-                    m_log.ErrorFormat("[SCENE]: No agent circuit found for {0}, aborting Scene.RemoveClient", agentID);
-                    return;
-                }
-                else
-                {
-                    // We remove the acd up here to avoid later race conditions if two RemoveClient() calls occurred
-                    // simultaneously.
-                    // We also need to remove by agent ID since NPCs will have no circuit code.
-                    m_authenticateHandler.RemoveCircuit(agentID);
-                }
+                return;
             }
 
+            // TODO: Can we now remove this lock?
             lock (acd)
             {
+                bool isChildAgent = false;
+
                 ScenePresence avatar = GetScenePresence(agentID);
-    
+
+                // Shouldn't be necessary since RemoveClient() is currently only called by IClientAPI.Close() which 
+                // in turn is only called by Scene.IncomingCloseAgent() which checks whether the presence exists or not
+                // However, will keep for now just in case.
                 if (avatar == null)
                 {
-                    m_log.WarnFormat(
+                    m_log.ErrorFormat(
                         "[SCENE]: Called RemoveClient() with agent ID {0} but no such presence is in the scene.", agentID);
-    
+                    m_authenticateHandler.RemoveCircuit(agentID);
+
                     return;
                 }
-    
+
                 try
                 {
                     isChildAgent = avatar.IsChildAgent;
 
                     m_log.DebugFormat(
                         "[SCENE]: Removing {0} agent {1} {2} from {3}",
-                        (isChildAgent ? "child" : "root"), avatar.Name, agentID, RegionInfo.RegionName);
-    
+                        isChildAgent ? "child" : "root", avatar.Name, agentID, Name);
+
                     // Don't do this to root agents, it's not nice for the viewer
                     if (closeChildAgents && isChildAgent)
                     {
                         // Tell a single agent to disconnect from the region.
-                        IEventQueue eq = RequestModuleInterface<IEventQueue>();
-                        if (eq != null)
-                        {
-                            eq.DisableSimulator(RegionInfo.RegionHandle, avatar.UUID);
-                        }
-                        else
-                        {
-                            avatar.ControllingClient.SendShutdownConnectionNotice();
-                        }
+                        // Let's do this via UDP
+                        avatar.ControllingClient.SendShutdownConnectionNotice();
                     }
-    
+
                     // Only applies to root agents.
                     if (avatar.ParentID != 0)
                     {
                         avatar.StandUp();
                     }
-    
+
                     m_sceneGraph.removeUserCount(!isChildAgent);
-    
+
                     // TODO: We shouldn't use closeChildAgents here - it's being used by the NPC module to stop
                     // unnecessary operations.  This should go away once NPCs have no accompanying IClientAPI
                     if (closeChildAgents && CapsModule != null)
                         CapsModule.RemoveCaps(agentID);
-    
-//                    // REFACTORING PROBLEM -- well not really a problem, but just to point out that whatever
-//                    // this method is doing is HORRIBLE!!!
-                    // Commented pending deletion since this method no longer appears to do anything at all
-//                    avatar.Scene.NeedSceneCacheClear(avatar.UUID);
-    
+
                     if (closeChildAgents && !isChildAgent)
                     {
                         List<ulong> regions = avatar.KnownRegionHandles;
                         regions.Remove(RegionInfo.RegionHandle);
-                        m_sceneGridService.SendCloseChildAgentConnections(agentID, regions);
+
+                        // This ends up being done asynchronously so that a logout isn't held up where there are many present but unresponsive neighbours.
+                        m_sceneGridService.SendCloseChildAgentConnections(agentID, acd.SessionID.ToString(), regions);
                     }
-    
+
                     m_eventManager.TriggerClientClosed(agentID, this);
                     m_eventManager.TriggerOnRemovePresence(agentID);
-    
+
                     if (!isChildAgent)
                     {
                         if (AttachmentsModule != null)
@@ -3457,11 +3650,11 @@ namespace OpenSim.Region.Framework.Scenes
                             delegate(IClientAPI client)
                             {
                                 //We can safely ignore null reference exceptions.  It means the avatar is dead and cleaned up anyway
-                                try { client.SendKillObject(avatar.RegionHandle, new List<uint> { avatar.LocalId }); }
+                                try { client.SendKillObject(new List<uint> { avatar.LocalId }); }
                                 catch (NullReferenceException) { }
                             });
                     }
-    
+
                     // It's possible for child agents to have transactions if changes are being made cross-border.
                     if (AgentTransactionsModule != null)
                         AgentTransactionsModule.RemoveAgentAssetTransactions(agentID);
@@ -3478,9 +3671,10 @@ namespace OpenSim.Region.Framework.Scenes
                         // Always clean these structures up so that any failure above doesn't cause them to remain in the
                         // scene with possibly bad effects (e.g. continually timing out on unacked packets and triggering
                         // the same cleanup exception continually.
+                        m_authenticateHandler.RemoveCircuit(agentID);
                         m_sceneGraph.RemoveScenePresence(agentID);
                         m_clientManager.Remove(agentID);
-        
+
                         avatar.Close();
                     }
                     catch (Exception e)
@@ -3537,7 +3731,8 @@ namespace OpenSim.Region.Framework.Scenes
                 }
                 deleteIDs.Add(localID);
             }
-            ForEachClient(delegate(IClientAPI client) { client.SendKillObject(m_regionHandle, deleteIDs); });
+
+            ForEachClient(c => c.SendKillObject(deleteIDs));
         }
 
         #endregion
@@ -3549,12 +3744,13 @@ namespace OpenSim.Region.Framework.Scenes
         /// </summary>
         /// <param name="agent">CircuitData of the agent who is connecting</param>
         /// <param name="teleportFlags"></param>
+        /// <param name="source">Source region (may be null)</param>
         /// <param name="reason">Outputs the reason for the false response on this string</param>
         /// <returns>True if the region accepts this agent.  False if it does not.  False will 
         /// also return a reason.</returns>
-        public bool NewUserConnection(AgentCircuitData agent, uint teleportFlags, out string reason)
+        public bool NewUserConnection(AgentCircuitData agent, uint teleportFlags, GridRegion source, out string reason)
         {
-            return NewUserConnection(agent, teleportFlags, out reason, true);
+            return NewUserConnection(agent, teleportFlags, source, out reason, true);
         }
 
         /// <summary>
@@ -3573,13 +3769,14 @@ namespace OpenSim.Region.Framework.Scenes
         /// is activated later when the viewer sends the initial UseCircuitCodePacket UDP packet (in the case of
         /// the LLUDP stack).
         /// </remarks>
-        /// <param name="agent">CircuitData of the agent who is connecting</param>
+        /// <param name="acd">CircuitData of the agent who is connecting</param>
+        /// <param name="source">Source region (may be null)</param>
         /// <param name="reason">Outputs the reason for the false response on this string</param>
         /// <param name="requirePresenceLookup">True for normal presence. False for NPC
         /// or other applications where a full grid/Hypergrid presence may not be required.</param>
         /// <returns>True if the region accepts this agent.  False if it does not.  False will 
         /// also return a reason.</returns>
-        public bool NewUserConnection(AgentCircuitData agent, uint teleportFlags, out string reason, bool requirePresenceLookup)
+        public bool NewUserConnection(AgentCircuitData acd, uint teleportFlags, GridRegion source, out string reason, bool requirePresenceLookup)
         {
             bool vialogin = ((teleportFlags & (uint)TPFlags.ViaLogin) != 0 ||
                 (teleportFlags & (uint)TPFlags.ViaHGLogin) != 0);
@@ -3596,18 +3793,20 @@ namespace OpenSim.Region.Framework.Scenes
             // TeleportFlags.ViaLandmark | TeleportFlags.ViaLocation | TeleportFlags.ViaLandmark | TeleportFlags.Default - Regular Teleport
 
             // Don't disable this log message - it's too helpful
+            string curViewer = Util.GetViewerName(acd);
             m_log.DebugFormat(
-                "[SCENE]: Region {0} told of incoming {1} agent {2} {3} {4} (circuit code {5}, IP {6}, viewer {7}, teleportflags ({8}), position {9})",
+                "[SCENE]: Region {0} told of incoming {1} agent {2} {3} {4} (circuit code {5}, IP {6}, viewer {7}, teleportflags ({8}), position {9}. {10}",
                 RegionInfo.RegionName,
-                (agent.child ? "child" : "root"),
-                agent.firstname,
-                agent.lastname,
-                agent.AgentID,
-                agent.circuitcode,
-                agent.IPAddress,
-                agent.Viewer,
+                (acd.child ? "child" : "root"),
+                acd.firstname,
+                acd.lastname,
+                acd.AgentID,
+                acd.circuitcode,
+                acd.IPAddress,
+                curViewer,
                 ((TPFlags)teleportFlags).ToString(),
-                agent.startpos
+                acd.startpos,
+                (source == null) ? "" : string.Format("From region {0} ({1}){2}", source.RegionName, source.RegionID, (source.RawServerURI == null) ? "" : " @ " + source.ServerURI)
             );
 
             if (!LoginsEnabled)
@@ -3625,7 +3824,7 @@ namespace OpenSim.Region.Framework.Scenes
             {
                 foreach (string viewer in m_AllowedViewers)
                 {
-                    if (viewer == agent.Viewer.Substring(0, viewer.Length).Trim().ToLower())
+                    if (viewer == curViewer.Substring(0, Math.Min(viewer.Length, curViewer.Length)).Trim().ToLower())
                     {
                         ViewerDenied = false;
                         break;
@@ -3642,7 +3841,7 @@ namespace OpenSim.Region.Framework.Scenes
             {
                 foreach (string viewer in m_BannedViewers)
                 {
-                    if (viewer == agent.Viewer.Substring(0, viewer.Length).Trim().ToLower())
+                    if (viewer == curViewer.Substring(0, Math.Min(viewer.Length, curViewer.Length)).Trim().ToLower())
                     {
                         ViewerDenied = true;
                         break;
@@ -3654,81 +3853,178 @@ namespace OpenSim.Region.Framework.Scenes
             {
                 m_log.DebugFormat(
                     "[SCENE]: Access denied for {0} {1} using {2}",
-                    agent.firstname, agent.lastname, agent.Viewer);
+                    acd.firstname, acd.lastname, curViewer);
                 reason = "Access denied, your viewer is banned by the region owner";
                 return false;
             }
 
             ILandObject land;
+            ScenePresence sp;
 
-            lock (agent)
+            lock (m_removeClientLock)
             {
-                ScenePresence sp = GetScenePresence(agent.AgentID);
-    
-                if (sp != null && !sp.IsChildAgent)
+                sp = GetScenePresence(acd.AgentID);
+
+                // We need to ensure that we are not already removing the scene presence before we ask it not to be 
+                // closed.
+                if (sp != null && sp.IsChildAgent
+                    && (sp.LifecycleState == ScenePresenceState.Running
+                        || sp.LifecycleState == ScenePresenceState.PreRemove))
+                {
+                    m_log.DebugFormat(
+                        "[SCENE]: Reusing existing child scene presence for {0}, state {1} in {2}",
+                        sp.Name, sp.LifecycleState, Name);
+
+                    // In the case where, for example, an A B C D region layout, an avatar may
+                    // teleport from A -> D, but then -> C before A has asked B to close its old child agent.  When C
+                    // renews the lease on the child agent at B, we must make sure that the close from A does not succeed.
+                    //
+                    // XXX: In the end, this should not be necessary if child agents are closed without delay on 
+                    // teleport, since realistically, the close request should always be processed before any other
+                    // region tried to re-establish a child agent.  This is much simpler since the logic below is 
+                    // vulnerable to an issue when a viewer quits a region without sending a proper logout but then
+                    // re-establishes the connection on a relogin.  This could wrongly set the DoNotCloseAfterTeleport
+                    // flag when no teleport had taken place (and hence no close was going to come).
+//                    if (!acd.ChildrenCapSeeds.ContainsKey(RegionInfo.RegionHandle))
+//                    {
+//                        m_log.DebugFormat(
+//                            "[SCENE]: Setting DoNotCloseAfterTeleport for child scene presence {0} in {1} because source will attempt close.", 
+//                            sp.Name, Name);
+//
+//                        sp.DoNotCloseAfterTeleport = true;
+//                    }
+//                    else if (EntityTransferModule.IsInTransit(sp.UUID))
+
+                    sp.LifecycleState = ScenePresenceState.Running;
+
+                    if (EntityTransferModule.IsInTransit(sp.UUID))
+                    {
+                        sp.DoNotCloseAfterTeleport = true;
+
+                        m_log.DebugFormat(
+                            "[SCENE]: Set DoNotCloseAfterTeleport for child scene presence {0} in {1} because this region will attempt end-of-teleport close from a previous close.", 
+                            sp.Name, Name);
+                    }
+                }
+            }
+
+            // Need to poll here in case we are currently deleting an sp.  Letting threads run over each other will
+            // allow unpredictable things to happen.
+            if (sp != null)
+            {
+                const int polls = 10;
+                const int pollInterval = 1000;
+                int pollsLeft = polls;
+
+                while (sp.LifecycleState == ScenePresenceState.Removing && pollsLeft-- > 0)
+                    Thread.Sleep(pollInterval);
+
+                if (sp.LifecycleState == ScenePresenceState.Removing)
                 {
-                    // We have a zombie from a crashed session. 
-                    // Or the same user is trying to be root twice here, won't work.
-                    // Kill it.
                     m_log.WarnFormat(
-                        "[SCENE]: Existing root scene presence detected for {0} {1} in {2} when connecting.  Removing existing presence.",
-                        sp.Name, sp.UUID, RegionInfo.RegionName);
-    
-                    sp.ControllingClient.Close(true);
-                    sp = null;
-                }
-    
-                land = LandChannel.GetLandObject(agent.startpos.X, agent.startpos.Y);
-    
-                //On login test land permisions
+                        "[SCENE]: Agent {0} in {1} was still being removed after {2}s.  Aborting NewUserConnection.", 
+                        sp.Name, Name, polls * pollInterval / 1000);
+
+                    return false;
+                }
+                else if (polls != pollsLeft)
+                {
+                    m_log.DebugFormat(
+                        "[SCENE]: NewUserConnection for agent {0} in {1} had to wait {2}s for in-progress removal to complete on an old presence.",
+                        sp.Name, Name, polls * pollInterval / 1000);
+                }
+            }
+
+            // TODO: can we remove this lock?
+            lock (acd)
+            {
+                if (sp != null && !sp.IsChildAgent)
+                {
+                    // We have a root agent. Is it in transit?
+                    if (!EntityTransferModule.IsInTransit(sp.UUID))
+                    {
+                        // We have a zombie from a crashed session. 
+                        // Or the same user is trying to be root twice here, won't work.
+                        // Kill it.
+                        m_log.WarnFormat(
+                            "[SCENE]: Existing root scene presence detected for {0} {1} in {2} when connecting.  Removing existing presence.",
+                            sp.Name, sp.UUID, RegionInfo.RegionName);
+
+                        if (sp.ControllingClient != null)
+                            CloseAgent(sp.UUID, true);
+
+                        sp = null;
+                    }
+                    //else
+                    //    m_log.WarnFormat("[SCENE]: Existing root scene presence for {0} {1} in {2}, but agent is in trasit", sp.Name, sp.UUID, RegionInfo.RegionName);
+                }
+
+                // Optimistic: add or update the circuit data with the new agent circuit data and teleport flags.
+                // We need the circuit data here for some of the subsequent checks. (groups, for example)
+                // If the checks fail, we remove the circuit.
+                acd.teleportFlags = teleportFlags;
+                m_authenticateHandler.AddNewCircuit(acd.circuitcode, acd);
+
+                land = LandChannel.GetLandObject(acd.startpos.X, acd.startpos.Y);
+
+                // On login test land permisions
                 if (vialogin)
                 {
-                    if (land != null && !TestLandRestrictions(agent, land, out reason))
+                    if (land != null && !TestLandRestrictions(acd.AgentID, out reason, ref acd.startpos.X, ref acd.startpos.Y))
                     {
+                        m_authenticateHandler.RemoveCircuit(acd.circuitcode);
                         return false;
                     }
                 }
-    
+
                 if (sp == null) // We don't have an [child] agent here already
                 {
                     if (requirePresenceLookup)
                     {
                         try
                         {
-                            if (!VerifyUserPresence(agent, out reason))
+                            if (!VerifyUserPresence(acd, out reason))
+                            {
+                                m_authenticateHandler.RemoveCircuit(acd.circuitcode);
                                 return false;
+                            }
                         }
                         catch (Exception e)
                         {
                             m_log.ErrorFormat(
                                 "[SCENE]: Exception verifying presence {0}{1}", e.Message, e.StackTrace);
 
+                            m_authenticateHandler.RemoveCircuit(acd.circuitcode);
                             return false;
                         }
                     }
-    
+
                     try
                     {
-                        if (!AuthorizeUser(agent, out reason))
+                        if (!AuthorizeUser(acd, (vialogin ? false : SeeIntoRegion), out reason))
+                        {
+                            m_authenticateHandler.RemoveCircuit(acd.circuitcode);
                             return false;
+                        }
                     }
                     catch (Exception e)
                     {
                         m_log.ErrorFormat(
                             "[SCENE]: Exception authorizing user {0}{1}", e.Message, e.StackTrace);
 
+                        m_authenticateHandler.RemoveCircuit(acd.circuitcode);
                         return false;
                     }
-    
+
                     m_log.InfoFormat(
                         "[SCENE]: Region {0} authenticated and authorized incoming {1} agent {2} {3} {4} (circuit code {5})",
-                        RegionInfo.RegionName, (agent.child ? "child" : "root"), agent.firstname, agent.lastname,
-                        agent.AgentID, agent.circuitcode);
-    
+                        Name, (acd.child ? "child" : "root"), acd.firstname, acd.lastname,
+                        acd.AgentID, acd.circuitcode);
+
                     if (CapsModule != null)
                     {
-                        CapsModule.SetAgentCapsSeeds(agent);
-                        CapsModule.CreateCaps(agent.AgentID);
+                        CapsModule.SetAgentCapsSeeds(acd);
+                        CapsModule.CreateCaps(acd.AgentID);
                     }
                 }
                 else
@@ -3736,83 +4032,42 @@ namespace OpenSim.Region.Framework.Scenes
                     // Let the SP know how we got here. This has a lot of interesting
                     // uses down the line.
                     sp.TeleportFlags = (TPFlags)teleportFlags;
-    
+
                     if (sp.IsChildAgent)
                     {
                         m_log.DebugFormat(
                             "[SCENE]: Adjusting known seeds for existing agent {0} in {1}",
-                            agent.AgentID, RegionInfo.RegionName);
-    
+                            acd.AgentID, RegionInfo.RegionName);
+
                         sp.AdjustKnownSeeds();
-                        
+
                         if (CapsModule != null)
-                            CapsModule.SetAgentCapsSeeds(agent);
+                        {
+                            CapsModule.SetAgentCapsSeeds(acd);
+                            CapsModule.CreateCaps(acd.AgentID);
+                        }
                     }
                 }
-            }
 
-            // In all cases, add or update the circuit data with the new agent circuit data and teleport flags
-            agent.teleportFlags = teleportFlags;
-            m_authenticateHandler.AddNewCircuit(agent.circuitcode, agent);
+                // Try caching an incoming user name much earlier on to see if this helps with an issue
+                // where HG users are occasionally seen by others as "Unknown User" because their UUIDName
+                // request for the HG avatar appears to trigger before the user name is cached.
+                CacheUserName(null, acd);
+            }
 
             if (vialogin)
             {
 //                CleanDroppedAttachments();
 
-                if (TestBorderCross(agent.startpos, Cardinals.E))
-                {
-                    Border crossedBorder = GetCrossedBorder(agent.startpos, Cardinals.E);
-                    agent.startpos.X = crossedBorder.BorderLine.Z - 1;
-                }
-
-                if (TestBorderCross(agent.startpos, Cardinals.N))
-                {
-                    Border crossedBorder = GetCrossedBorder(agent.startpos, Cardinals.N);
-                    agent.startpos.Y = crossedBorder.BorderLine.Z - 1;
-                }
+                // Make sure avatar position is in the region (why it wouldn't be is a mystery but do sanity checking)
+                if (acd.startpos.X < 0) acd.startpos.X = 1f;
+                if (acd.startpos.X >= RegionInfo.RegionSizeX) acd.startpos.X = RegionInfo.RegionSizeX - 1f;
+                if (acd.startpos.Y < 0) acd.startpos.Y = 1f;
+                if (acd.startpos.Y >= RegionInfo.RegionSizeY) acd.startpos.Y = RegionInfo.RegionSizeY - 1f;
 
-                //Mitigate http://opensimulator.org/mantis/view.php?id=3522
-                // Check if start position is outside of region
-                // If it is, check the Z start position also..   if not, leave it alone.
-                if (BordersLocked)
-                {
-                    lock (EastBorders)
-                    {
-                        if (agent.startpos.X > EastBorders[0].BorderLine.Z)
-                        {
-                            m_log.Warn("FIX AGENT POSITION");
-                            agent.startpos.X = EastBorders[0].BorderLine.Z * 0.5f;
-                            if (agent.startpos.Z > 720)
-                                agent.startpos.Z = 720;
-                        }
-                    }
-                    lock (NorthBorders)
-                    {
-                        if (agent.startpos.Y > NorthBorders[0].BorderLine.Z)
-                        {
-                            m_log.Warn("FIX Agent POSITION");
-                            agent.startpos.Y = NorthBorders[0].BorderLine.Z * 0.5f;
-                            if (agent.startpos.Z > 720)
-                                agent.startpos.Z = 720;
-                        }
-                    }
-                } else
-                {
-                    if (agent.startpos.X > EastBorders[0].BorderLine.Z)
-                    {
-                        m_log.Warn("FIX AGENT POSITION");
-                        agent.startpos.X = EastBorders[0].BorderLine.Z * 0.5f;
-                        if (agent.startpos.Z > 720)
-                            agent.startpos.Z = 720;
-                    }
-                    if (agent.startpos.Y > NorthBorders[0].BorderLine.Z)
-                    {
-                        m_log.Warn("FIX Agent POSITION");
-                        agent.startpos.Y = NorthBorders[0].BorderLine.Z * 0.5f;
-                        if (agent.startpos.Z > 720)
-                            agent.startpos.Z = 720;
-                    }
-                }
+//                m_log.DebugFormat(
+//                    "[SCENE]: Found telehub object {0} for new user connection {1} to {2}", 
+//                    RegionInfo.RegionSettings.TelehubObject, acd.Name, Name);
 
                 // Honor Estate teleport routing via Telehubs excluding ViaHome and GodLike TeleportFlags
                 if (RegionInfo.RegionSettings.TelehubObject != UUID.Zero &&
@@ -3820,26 +4075,49 @@ namespace OpenSim.Region.Framework.Scenes
                     !viahome && !godlike)
                 {
                     SceneObjectGroup telehub = GetSceneObjectGroup(RegionInfo.RegionSettings.TelehubObject);
-                    // Can have multiple SpawnPoints
-                    List<SpawnPoint> spawnpoints = RegionInfo.RegionSettings.SpawnPoints();
-                    if (spawnpoints.Count > 1)
+
+                    if (telehub != null)
                     {
-                        // We have multiple SpawnPoints, Route the agent to a random or sequential one
-                        if (SpawnPointRouting == "random")
-                            agent.startpos = spawnpoints[Util.RandomClass.Next(spawnpoints.Count) - 1].GetLocation(
-                                telehub.AbsolutePosition,
-                                telehub.GroupRotation
-                            );
+                        // Can have multiple SpawnPoints
+                        List<SpawnPoint> spawnpoints = RegionInfo.RegionSettings.SpawnPoints();
+                        if (spawnpoints.Count > 1)
+                        {
+                            // We have multiple SpawnPoints, Route the agent to a random or sequential one
+                            if (SpawnPointRouting == "random")
+                                acd.startpos = spawnpoints[Util.RandomClass.Next(spawnpoints.Count) - 1].GetLocation(
+                                    telehub.AbsolutePosition,
+                                    telehub.GroupRotation
+                                );
+                            else
+                                acd.startpos = spawnpoints[SpawnPoint()].GetLocation(
+                                    telehub.AbsolutePosition,
+                                    telehub.GroupRotation
+                                );
+                        }
+                        else if (spawnpoints.Count == 1)
+                        {
+                            // We have a single SpawnPoint and will route the agent to it
+                            acd.startpos = spawnpoints[0].GetLocation(telehub.AbsolutePosition, telehub.GroupRotation);
+                        }
                         else
-                            agent.startpos = spawnpoints[SpawnPoint()].GetLocation(
-                                telehub.AbsolutePosition,
-                                telehub.GroupRotation
-                            );
+                        {
+                            m_log.DebugFormat(
+                                "[SCENE]: No spawnpoints defined for telehub {0} for {1} in {2}.  Continuing.",
+                                RegionInfo.RegionSettings.TelehubObject, acd.Name, Name);
+                        }
                     }
                     else
                     {
-                        // We have a single SpawnPoint and will route the agent to it
-                        agent.startpos = spawnpoints[0].GetLocation(telehub.AbsolutePosition, telehub.GroupRotation);
+                        m_log.DebugFormat(
+                            "[SCENE]: No telehub {0} found to direct {1} in {2}.  Continuing.",
+                            RegionInfo.RegionSettings.TelehubObject, acd.Name, Name);
+                    }
+
+                    // Final permissions check; this time we don't allow changing the position
+                    if (!IsPositionAllowed(acd.AgentID, acd.startpos, ref reason))
+                    {
+                        m_authenticateHandler.RemoveCircuit(acd.circuitcode);
+                        return false;
                     }
 
                     return true;
@@ -3850,7 +4128,14 @@ namespace OpenSim.Region.Framework.Scenes
                 {
                     if (land.LandData.LandingType == (byte)1 && land.LandData.UserLocation != Vector3.Zero)
                     {
-                        agent.startpos = land.LandData.UserLocation;
+                        acd.startpos = land.LandData.UserLocation;
+
+                        // Final permissions check; this time we don't allow changing the position
+                        if (!IsPositionAllowed(acd.AgentID, acd.startpos, ref reason))
+                        {
+                            m_authenticateHandler.RemoveCircuit(acd.circuitcode);
+                            return false;
+                        }
                     }
                 }
             }
@@ -3858,20 +4143,52 @@ namespace OpenSim.Region.Framework.Scenes
             return true;
         }
 
-        private bool TestLandRestrictions(AgentCircuitData agent, ILandObject land,  out string reason)
+        private bool IsPositionAllowed(UUID agentID, Vector3 pos, ref string reason)
         {
-            bool banned = land.IsBannedFromLand(agent.AgentID);
-            bool restricted = land.IsRestrictedFromLand(agent.AgentID);
+            ILandObject land = LandChannel.GetLandObject(pos);
+            if (land == null)
+                return true;
+
+            if (land.IsBannedFromLand(agentID) || land.IsRestrictedFromLand(agentID))
+            {
+                reason = "You are banned from the region.";
+                return false;
+            }
+
+            return true;
+        }
+
+        public bool TestLandRestrictions(UUID agentID, out string reason, ref float posX, ref float posY)
+        {
+            if (posX < 0)
+                posX = 0;
+            else if (posX >= (float)RegionInfo.RegionSizeX)
+                posX = (float)RegionInfo.RegionSizeX - 0.001f;
+            if (posY < 0)
+                posY = 0;
+            else if (posY >= (float)RegionInfo.RegionSizeY)
+                posY = (float)RegionInfo.RegionSizeY - 0.001f;
+
+            reason = String.Empty;
+            if (Permissions.IsGod(agentID))
+                return true;
+
+            ILandObject land = LandChannel.GetLandObject(posX, posY);
+            if (land == null)
+                return false;
+
+            bool banned = land.IsBannedFromLand(agentID);
+            bool restricted = land.IsRestrictedFromLand(agentID);
 
             if (banned || restricted)
             {
-                ILandObject nearestParcel = GetNearestAllowedParcel(agent.AgentID, agent.startpos.X, agent.startpos.Y);
+                ILandObject nearestParcel = GetNearestAllowedParcel(agentID, posX, posY);
                 if (nearestParcel != null)
                 {
                     //Move agent to nearest allowed
                     Vector3 newPosition = GetParcelCenterAtGround(nearestParcel);
-                    agent.startpos.X = newPosition.X;
-                    agent.startpos.Y = newPosition.Y;
+                    posX = newPosition.X;
+                    posY = newPosition.Y;
                 }
                 else
                 {
@@ -3882,7 +4199,7 @@ namespace OpenSim.Region.Framework.Scenes
                     else
                     {
                         reason = String.Format("Denied access to private region {0}: You are not on the access list for that region.",
-                                   RegionInfo.RegionName);
+                            RegionInfo.RegionName);
                     }
                     return false;
                 }
@@ -3927,86 +4244,93 @@ namespace OpenSim.Region.Framework.Scenes
         /// <param name="reason">outputs the reason to this string</param>
         /// <returns>True if the region accepts this agent.  False if it does not.  False will 
         /// also return a reason.</returns>
-        protected virtual bool AuthorizeUser(AgentCircuitData agent, out string reason)
+        protected virtual bool AuthorizeUser(AgentCircuitData agent, bool bypassAccessControl, out string reason)
         {
             reason = String.Empty;
 
             if (!m_strictAccessControl) return true;
             if (Permissions.IsGod(agent.AgentID)) return true;
-                      
+
             if (AuthorizationService != null)
             {
                 if (!AuthorizationService.IsAuthorizedForRegion(
                     agent.AgentID.ToString(), agent.firstname, agent.lastname, RegionInfo.RegionID.ToString(), out reason))
                 {
-                    m_log.WarnFormat("[CONNECTION BEGIN]: Denied access to: {0} ({1} {2}) at {3} because {4}",
+                    m_log.WarnFormat("[CONNECTION BEGIN]: Denied access to: {0} ({1} {2}) at {3} because: {4}",
                                      agent.AgentID, agent.firstname, agent.lastname, RegionInfo.RegionName, reason);
-                    
-                    return false;
-                }
-            }
 
-            if (RegionInfo.EstateSettings != null)
-            {
-                if (RegionInfo.EstateSettings.IsBanned(agent.AgentID))
-                {
-                    m_log.WarnFormat("[CONNECTION BEGIN]: Denied access to: {0} ({1} {2}) at {3} because the user is on the banlist",
-                                     agent.AgentID, agent.firstname, agent.lastname, RegionInfo.RegionName);
-                    reason = String.Format("Denied access to region {0}: You have been banned from that region.",
-                                           RegionInfo.RegionName);
                     return false;
                 }
             }
-            else
-            {
-                m_log.ErrorFormat("[CONNECTION BEGIN]: Estate Settings is null!");
-            }
 
-            List<UUID> agentGroups = new List<UUID>();
-
-            if (m_groupsModule != null)
+            // We only test the things below when we want to cut off
+            // child agents from being present in the scene for which their root
+            // agent isn't allowed. Otherwise, we allow child agents. The test for
+            // the root is done elsewhere (QueryAccess)
+            if (!bypassAccessControl)
             {
-                GroupMembershipData[] GroupMembership = m_groupsModule.GetMembershipData(agent.AgentID);
-
-                if (GroupMembership != null)
+                if (RegionInfo.EstateSettings != null)
                 {
-                    for (int i = 0; i < GroupMembership.Length; i++)
-                        agentGroups.Add(GroupMembership[i].GroupID);
+                    if (RegionInfo.EstateSettings.IsBanned(agent.AgentID))
+                    {
+                        m_log.WarnFormat("[CONNECTION BEGIN]: Denied access to: {0} ({1} {2}) at {3} because the user is on the banlist",
+                                         agent.AgentID, agent.firstname, agent.lastname, RegionInfo.RegionName);
+                        reason = String.Format("Denied access to region {0}: You have been banned from that region.",
+                                               RegionInfo.RegionName);
+                        return false;
+                    }
                 }
                 else
                 {
-                    m_log.ErrorFormat("[CONNECTION BEGIN]: GroupMembership is null!");
+                    m_log.ErrorFormat("[CONNECTION BEGIN]: Estate Settings is null!");
                 }
-            }
 
-            bool groupAccess = false;
-            UUID[] estateGroups = RegionInfo.EstateSettings.EstateGroups;
+                List<UUID> agentGroups = new List<UUID>();
 
-            if (estateGroups != null)
-            {
-                foreach (UUID group in estateGroups)
+                if (m_groupsModule != null)
                 {
-                    if (agentGroups.Contains(group))
+                    GroupMembershipData[] GroupMembership = m_groupsModule.GetMembershipData(agent.AgentID);
+
+                    if (GroupMembership != null)
                     {
-                        groupAccess = true;
-                        break;
+                        for (int i = 0; i < GroupMembership.Length; i++)
+                            agentGroups.Add(GroupMembership[i].GroupID);
+                    }
+                    else
+                    {
+                        m_log.ErrorFormat("[CONNECTION BEGIN]: GroupMembership is null!");
                     }
                 }
-            }
-            else
-            {
-                m_log.ErrorFormat("[CONNECTION BEGIN]: EstateGroups is null!");
-            }
 
-            if (!RegionInfo.EstateSettings.PublicAccess &&
-                !RegionInfo.EstateSettings.HasAccess(agent.AgentID) &&
-                !groupAccess)
-            {
-                m_log.WarnFormat("[CONNECTION BEGIN]: Denied access to: {0} ({1} {2}) at {3} because the user does not have access to the estate",
-                                 agent.AgentID, agent.firstname, agent.lastname, RegionInfo.RegionName);
-                reason = String.Format("Denied access to private region {0}: You are not on the access list for that region.",
-                                       RegionInfo.RegionName);
-                return false;
+                bool groupAccess = false;
+                UUID[] estateGroups = RegionInfo.EstateSettings.EstateGroups;
+
+                if (estateGroups != null)
+                {
+                    foreach (UUID group in estateGroups)
+                    {
+                        if (agentGroups.Contains(group))
+                        {
+                            groupAccess = true;
+                            break;
+                        }
+                    }
+                }
+                else
+                {
+                    m_log.ErrorFormat("[CONNECTION BEGIN]: EstateGroups is null!");
+                }
+
+                if (!RegionInfo.EstateSettings.PublicAccess &&
+                    !RegionInfo.EstateSettings.HasAccess(agent.AgentID) &&
+                    !groupAccess)
+                {
+                    m_log.WarnFormat("[CONNECTION BEGIN]: Denied access to: {0} ({1} {2}) at {3} because the user does not have access to the estate",
+                                     agent.AgentID, agent.firstname, agent.lastname, RegionInfo.RegionName);
+                    reason = String.Format("Denied access to private region {0}: You are not on the access list for that region.",
+                                           RegionInfo.RegionName);
+                    return false;
+                }
             }
 
             // TODO: estate/region settings are not properly hooked up
@@ -4096,33 +4420,33 @@ namespace OpenSim.Region.Framework.Scenes
 //            }
 //        }
 
-        /// <summary>
-        /// Triggered when an agent crosses into this sim.  Also happens on initial login.
-        /// </summary>
-        /// <param name="agentID"></param>
-        /// <param name="position"></param>
-        /// <param name="isFlying"></param>
-        public virtual void AgentCrossing(UUID agentID, Vector3 position, bool isFlying)
-        {
-            ScenePresence presence = GetScenePresence(agentID);
-            if (presence != null)
-            {
-                try
-                {
-                    presence.MakeRootAgent(position, isFlying);
-                }
-                catch (Exception e)
-                {
-                    m_log.ErrorFormat("[SCENE]: Unable to do agent crossing, exception {0}{1}", e.Message, e.StackTrace);
-                }
-            }
-            else
-            {
-                m_log.ErrorFormat(
-                    "[SCENE]: Could not find presence for agent {0} crossing into scene {1}",
-                    agentID, RegionInfo.RegionName);
-            }
-        }
+//        /// <summary>
+//        /// Triggered when an agent crosses into this sim.  Also happens on initial login.
+//        /// </summary>
+//        /// <param name="agentID"></param>
+//        /// <param name="position"></param>
+//        /// <param name="isFlying"></param>
+//        public virtual void AgentCrossing(UUID agentID, Vector3 position, bool isFlying)
+//        {
+//            ScenePresence presence = GetScenePresence(agentID);
+//            if (presence != null)
+//            {
+//                try
+//                {
+//                    presence.MakeRootAgent(position, isFlying);
+//                }
+//                catch (Exception e)
+//                {
+//                    m_log.ErrorFormat("[SCENE]: Unable to do agent crossing, exception {0}{1}", e.Message, e.StackTrace);
+//                }
+//            }
+//            else
+//            {
+//                m_log.ErrorFormat(
+//                    "[SCENE]: Could not find presence for agent {0} crossing into scene {1}",
+//                    agentID, RegionInfo.RegionName);
+//            }
+//        }
 
         /// <summary>
         /// We've got an update about an agent that sees into this region, 
@@ -4131,18 +4455,16 @@ namespace OpenSim.Region.Framework.Scenes
         /// <param name="cAgentData">Agent that contains all of the relevant things about an agent.
         /// Appearance, animations, position, etc.</param>
         /// <returns>true if we handled it.</returns>
-        public virtual bool IncomingChildAgentDataUpdate(AgentData cAgentData)
+        public virtual bool IncomingUpdateChildAgent(AgentData cAgentData)
         {
             m_log.DebugFormat(
                 "[SCENE]: Incoming child agent update for {0} in {1}", cAgentData.AgentID, RegionInfo.RegionName);
 
-            // XPTO: if this agent is not allowed here as root, always return false
-
             // TODO: This check should probably be in QueryAccess().
-            ILandObject nearestParcel = GetNearestAllowedParcel(cAgentData.AgentID, Constants.RegionSize / 2, Constants.RegionSize / 2);
+            ILandObject nearestParcel = GetNearestAllowedParcel(cAgentData.AgentID, RegionInfo.RegionSizeX / 2, RegionInfo.RegionSizeY / 2);
             if (nearestParcel == null)
             {
-                m_log.DebugFormat(
+                m_log.InfoFormat(
                     "[SCENE]: Denying root agent entry to {0} in {1}: no allowed parcel",
                     cAgentData.AgentID, RegionInfo.RegionName);
 
@@ -4150,13 +4472,44 @@ namespace OpenSim.Region.Framework.Scenes
             }
 
             // We have to wait until the viewer contacts this region
-            // after receiving the EnableSimulator HTTP Event Queue message.  This triggers the viewer to send
-            // a UseCircuitCode packet which in turn calls AddNewClient which finally creates the ScenePresence.
-            ScenePresence childAgentUpdate = WaitGetScenePresence(cAgentData.AgentID);
+            // after receiving the EnableSimulator HTTP Event Queue message (for the v1 teleport protocol) 
+            // or TeleportFinish (for the v2 teleport protocol).  This triggers the viewer to send
+            // a UseCircuitCode packet which in turn calls AddNewAgent which finally creates the ScenePresence.
+            ScenePresence sp = WaitGetScenePresence(cAgentData.AgentID);
 
-            if (childAgentUpdate != null)
+            if (sp != null)
             {
-                childAgentUpdate.ChildAgentDataUpdate(cAgentData);
+                if (cAgentData.SessionID != sp.ControllingClient.SessionId)
+                {
+                    m_log.WarnFormat(
+                        "[SCENE]: Attempt to update agent {0} with invalid session id {1} (possibly from simulator in older version; tell them to update).", 
+                        sp.UUID, cAgentData.SessionID);
+
+                    Console.WriteLine(String.Format("[SCENE]: Attempt to update agent {0} ({1}) with invalid session id {2}", 
+                        sp.UUID, sp.ControllingClient.SessionId, cAgentData.SessionID));
+                }
+
+                sp.UpdateChildAgent(cAgentData);
+
+                int ntimes = 20;
+                if (cAgentData.SenderWantsToWaitForRoot)
+                {
+                    while (sp.IsChildAgent && ntimes-- > 0)
+                        Thread.Sleep(1000);
+
+                    if (sp.IsChildAgent)
+                        m_log.WarnFormat(
+                            "[SCENE]: Found presence {0} {1} unexpectedly still child in {2}",
+                            sp.Name, sp.UUID, Name);
+                    else
+                        m_log.InfoFormat(
+                            "[SCENE]: Found presence {0} {1} as root in {2} after {3} waits",
+                                sp.Name, sp.UUID, Name, 20 - ntimes);
+
+                    if (sp.IsChildAgent)
+                        return false;
+                }
+
                 return true;
             }
 
@@ -4169,12 +4522,20 @@ namespace OpenSim.Region.Framework.Scenes
         /// </summary>
         /// <param name="cAgentData">AgentPosition that contains agent positional data so we can know what to send</param>
         /// <returns>true if we handled it.</returns>
-        public virtual bool IncomingChildAgentDataUpdate(AgentPosition cAgentData)
+        public virtual bool IncomingUpdateChildAgent(AgentPosition cAgentData)
         {
-            //m_log.Debug(" XXX Scene IncomingChildAgentDataUpdate POSITION in " + RegionInfo.RegionName);
+//            m_log.DebugFormat(
+//                "[SCENE PRESENCE]: IncomingChildAgentDataUpdate POSITION for {0} in {1}, position {2}", 
+//                cAgentData.AgentID, Name, cAgentData.Position);
+
             ScenePresence childAgentUpdate = GetScenePresence(cAgentData.AgentID);
             if (childAgentUpdate != null)
             {
+//                if (childAgentUpdate.ControllingClient.SessionId != cAgentData.SessionID)
+//                    // Only warn for now
+//                    m_log.WarnFormat("[SCENE]: Attempt at updating position of agent {0} with invalid session id {1}. Neighbor running older version?", 
+//                        childAgentUpdate.UUID, cAgentData.SessionID);
+
                 // I can't imagine *yet* why we would get an update if the agent is a root agent..
                 // however to avoid a race condition crossing borders..
                 if (childAgentUpdate.IsChildAgent)
@@ -4184,7 +4545,7 @@ namespace OpenSim.Region.Framework.Scenes
                     uint tRegionX = RegionInfo.RegionLocX;
                     uint tRegionY = RegionInfo.RegionLocY;
                     //Send Data to ScenePresence
-                    childAgentUpdate.ChildAgentDataUpdate(cAgentData, tRegionX, tRegionY, rRegionX, rRegionY);
+                    childAgentUpdate.UpdateChildAgent(cAgentData, tRegionX, tRegionY, rRegionX, rRegionY);
                     // Not Implemented:
                     //TODO: Do we need to pass the message on to one of our neighbors?
                 }
@@ -4202,7 +4563,7 @@ namespace OpenSim.Region.Framework.Scenes
         /// <param name='agentID'></param>
         protected virtual ScenePresence WaitGetScenePresence(UUID agentID)
         {
-            int ntimes = 10;
+            int ntimes = 20;
             ScenePresence sp = null;
             while ((sp = GetScenePresence(agentID)) == null && (ntimes-- > 0))
                 Thread.Sleep(1000);
@@ -4211,28 +4572,92 @@ namespace OpenSim.Region.Framework.Scenes
                 m_log.WarnFormat(
                     "[SCENE PRESENCE]: Did not find presence with id {0} in {1} before timeout",
                     agentID, RegionInfo.RegionName);
-//            else
-//                m_log.DebugFormat(
-//                    "[SCENE PRESENCE]: Found presence {0} {1} {2} in {3} after {4} waits",
-//                    sp.Name, sp.UUID, sp.IsChildAgent ? "child" : "root", RegionInfo.RegionName, 10 - ntimes);
 
             return sp;
         }
 
-        public virtual bool IncomingRetrieveRootAgent(UUID id, out IAgentData agent)
+        /// <summary>
+        /// Authenticated close (via network)
+        /// </summary>
+        /// <param name="agentID"></param>
+        /// <param name="force"></param>
+        /// <param name="auth_token"></param>
+        /// <returns></returns>
+        public bool CloseAgent(UUID agentID, bool force, string auth_token)
         {
-            agent = null;
-            ScenePresence sp = GetScenePresence(id);
-            if ((sp != null) && (!sp.IsChildAgent))
+            //m_log.DebugFormat("[SCENE]: Processing incoming close agent {0} in region {1} with auth_token {2}", agentID, RegionInfo.RegionName, auth_token);
+
+            // Check that the auth_token is valid
+            AgentCircuitData acd = AuthenticateHandler.GetAgentCircuitData(agentID);
+
+            if (acd == null)
+            {
+                m_log.DebugFormat(
+                    "[SCENE]: Request to close agent {0} but no such agent in scene {1}.  May have been closed previously.", 
+                    agentID, Name);
+
+                return false;
+            }
+
+            if (acd.SessionID.ToString() == auth_token)
+            {
+                return CloseAgent(agentID, force);
+            }
+            else
             {
-                sp.IsChildAgent = true;
-                return sp.CopyAgent(out agent);
+                m_log.WarnFormat(
+                    "[SCENE]: Request to close agent {0} with invalid authorization token {1} in {2}", 
+                    agentID, auth_token, Name);
             }
 
             return false;
         }
 
         /// <summary>
+        /// Tell a single client to prepare to close.
+        /// </summary>
+        /// <remarks>
+        /// This should only be called if we may close the client but there will be some delay in so doing.  Meant for
+        /// internal use - other callers should almost certainly called CloseClient().
+        /// </remarks>
+        /// <param name="sp"></param>
+        /// <returns>true if pre-close state notification was successful.  false if the agent
+        /// was not in a state where it could transition to pre-close.</returns>
+        public bool IncomingPreCloseClient(ScenePresence sp)
+        {
+            lock (m_removeClientLock)
+            {
+                // We need to avoid a race condition where in, for example, an A B C D region layout, an avatar may
+                // teleport from A -> D, but then -> C before A has asked B to close its old child agent.  We do not
+                // want to obey this close since C may have renewed the child agent lease on B.
+                if (sp.DoNotCloseAfterTeleport)
+                {
+                    m_log.DebugFormat(
+                        "[SCENE]: Not pre-closing {0} agent {1} in {2} since another simulator has re-established the child connection",
+                        sp.IsChildAgent ? "child" : "root", sp.Name, Name);
+
+                    // Need to reset the flag so that a subsequent close after another teleport can succeed.
+                    sp.DoNotCloseAfterTeleport = false;
+
+                    return false;
+                }
+
+                if (sp.LifecycleState != ScenePresenceState.Running)
+                {
+                    m_log.DebugFormat(
+                        "[SCENE]: Called IncomingPreCloseAgent() for {0} in {1} but presence is already in state {2}",
+                        sp.Name, Name, sp.LifecycleState);
+
+                    return false;
+                }
+
+                sp.LifecycleState = ScenePresenceState.PreRemove;
+
+                return true;
+            }
+        }
+
+        /// <summary>
         /// Tell a single agent to disconnect from the region.
         /// </summary>
         /// <param name="agentID"></param>
@@ -4240,19 +4665,53 @@ namespace OpenSim.Region.Framework.Scenes
         /// Force the agent to close even if it might be in the middle of some other operation.  You do not want to
         /// force unless you are absolutely sure that the agent is dead and a normal close is not working.
         /// </param>
-        public bool IncomingCloseAgent(UUID agentID, bool force)
+        public override bool CloseAgent(UUID agentID, bool force)
         {
-            //m_log.DebugFormat("[SCENE]: Processing incoming close agent for {0}", agentID);
+            ScenePresence sp;
 
-            ScenePresence presence = m_sceneGraph.GetScenePresence(agentID);
-            if (presence != null)
+            lock (m_removeClientLock)
             {
-                presence.ControllingClient.Close(force);
-                return true;
+                sp = GetScenePresence(agentID);
+
+                if (sp == null)
+                {
+                    m_log.DebugFormat(
+                        "[SCENE]: Called CloseClient() with agent ID {0} but no such presence is in {1}", 
+                        agentID, Name);
+
+                    return false;
+                }
+
+                if (sp.LifecycleState != ScenePresenceState.Running && sp.LifecycleState != ScenePresenceState.PreRemove)
+                {
+                    m_log.DebugFormat(
+                        "[SCENE]: Called CloseClient() for {0} in {1} but presence is already in state {2}",
+                        sp.Name, Name, sp.LifecycleState);
+
+                    return false;
+                }
+
+                // We need to avoid a race condition where in, for example, an A B C D region layout, an avatar may
+                // teleport from A -> D, but then -> C before A has asked B to close its old child agent.  We do not
+                // want to obey this close since C may have renewed the child agent lease on B.
+                if (sp.DoNotCloseAfterTeleport)
+                {
+                    m_log.DebugFormat(
+                        "[SCENE]: Not closing {0} agent {1} in {2} since another simulator has re-established the child connection",
+                        sp.IsChildAgent ? "child" : "root", sp.Name, Name);
+
+                    // Need to reset the flag so that a subsequent close after another teleport can succeed.
+                    sp.DoNotCloseAfterTeleport = false;
+
+                    return false;
+                }
+
+                sp.LifecycleState = ScenePresenceState.Removing;
             }
 
-            // Agent not here
-            return false;
+            sp.ControllingClient.Close(force);
+
+            return true;
         }
 
         /// <summary>
@@ -4295,44 +4754,6 @@ namespace OpenSim.Region.Framework.Scenes
             ScenePresence sp = GetScenePresence(remoteClient.AgentId);
             if (sp != null)
             {
-                uint regionX = RegionInfo.RegionLocX;
-                uint regionY = RegionInfo.RegionLocY;
-
-                Utils.LongToUInts(regionHandle, out regionX, out regionY);
-
-                int shiftx = (int) regionX - (int) RegionInfo.RegionLocX * (int)Constants.RegionSize;
-                int shifty = (int) regionY - (int) RegionInfo.RegionLocY * (int)Constants.RegionSize;
-
-                position.X += shiftx;
-                position.Y += shifty;
-
-                bool result = false;
-
-                if (TestBorderCross(position,Cardinals.N))
-                    result = true;
-
-                if (TestBorderCross(position, Cardinals.S))
-                    result = true;
-
-                if (TestBorderCross(position, Cardinals.E))
-                    result = true;
-
-                if (TestBorderCross(position, Cardinals.W))
-                    result = true;
-
-                // bordercross if position is outside of region
-
-                if (!result)
-                {
-                    regionHandle = RegionInfo.RegionHandle;
-                }
-                else
-                {
-                    // not in this region, undo the shift!
-                    position.X -= shiftx;
-                    position.Y -= shifty;
-                }
-
                 if (EntityTransferModule != null)
                 {
                     EntityTransferModule.Teleport(sp, regionHandle, position, lookAt, teleportFlags);
@@ -4473,20 +4894,7 @@ namespace OpenSim.Region.Framework.Scenes
 
         #region Script Engine
 
-        private List<ScriptEngineInterface> ScriptEngines = new List<ScriptEngineInterface>();
-        public bool DumpAssetsToFile;
-
-        /// <summary>
-        ///
-        /// </summary>
-        /// <param name="scriptEngine"></param>
-        public void AddScriptEngine(ScriptEngineInterface scriptEngine)
-        {
-            ScriptEngines.Add(scriptEngine);
-            scriptEngine.InitializeEngine(this);
-        }
-
-        private bool ScriptDanger(SceneObjectPart part,Vector3 pos)
+        private bool ScriptDanger(SceneObjectPart part, Vector3 pos)
         {
             ILandObject parcel = LandChannel.GetLandObject(pos.X, pos.Y);
             if (part != null)
@@ -4497,35 +4905,24 @@ namespace OpenSim.Region.Framework.Scenes
                     {
                         return true;
                     }
-                    else if ((parcel.LandData.Flags & (uint)ParcelFlags.AllowGroupScripts) != 0)
+                    else if ((part.OwnerID == parcel.LandData.OwnerID) || Permissions.IsGod(part.OwnerID))
                     {
-                        if (part.OwnerID == parcel.LandData.OwnerID
-                            || (parcel.LandData.IsGroupOwned && part.GroupID == parcel.LandData.GroupID)
-                            || Permissions.IsGod(part.OwnerID))
-                        {
-                            return true;
-                        }
-                        else
-                        {
-                            return false;
-                        }
+                        return true;
+                    }
+                    else if (((parcel.LandData.Flags & (uint)ParcelFlags.AllowGroupScripts) != 0)
+                        && (parcel.LandData.GroupID != UUID.Zero) && (parcel.LandData.GroupID == part.GroupID))
+                    {
+                        return true;
                     }
                     else
                     {
-                        if (part.OwnerID == parcel.LandData.OwnerID)
-                        {
-                            return true;
-                        }
-                        else
-                        {
-                            return false;
-                        }
+                        return false;
                     }
                 }
                 else
                 {
 
-                    if (pos.X > 0f && pos.X < Constants.RegionSize && pos.Y > 0f && pos.Y < Constants.RegionSize)
+                    if (pos.X > 0f && pos.X < RegionInfo.RegionSizeX && pos.Y > 0f && pos.Y < RegionInfo.RegionSizeY)
                     {
                         // The only time parcel != null when an object is inside a region is when
                         // there is nothing behind the landchannel.  IE, no land plugin loaded.
@@ -4854,21 +5251,6 @@ namespace OpenSim.Region.Framework.Scenes
 
         #endregion
 
-        public void RegionHandleRequest(IClientAPI client, UUID regionID)
-        {
-            ulong handle = 0;
-            if (regionID == RegionInfo.RegionID)
-                handle = RegionInfo.RegionHandle;
-            else
-            {
-                GridRegion r = GridService.GetRegionByUUID(UUID.Zero, regionID);
-                if (r != null)
-                    handle = r.RegionHandle;
-            }
-
-            if (handle != 0)
-                client.SendRegionHandle(regionID, handle);
-        }
 
 // Commented pending deletion since this method no longer appears to do anything at all
 //        public bool NeedSceneCacheClear(UUID agentID)
@@ -4920,7 +5302,7 @@ namespace OpenSim.Region.Framework.Scenes
             // 3 = We have seen a new user enter within the past 4 minutes
             // which can be seen as positive confirmation of sim health
             //
-            int health=1; // Start at 1, means we're up
+            int health = 1; // Start at 1, means we're up
 
             if ((Util.EnvironmentTickCountSubtract(m_lastFrameTick)) < 1000)
                 health += 1;
@@ -4967,7 +5349,7 @@ namespace OpenSim.Region.Framework.Scenes
                 case PhysicsJointType.Ball:
                     {
                         Vector3 jointAnchor = PhysicsScene.GetJointAnchor(joint);
-                        Vector3 proxyPos = new Vector3(jointAnchor.X, jointAnchor.Y, jointAnchor.Z);
+                        Vector3 proxyPos = jointAnchor;
                         jointProxyObject.ParentGroup.UpdateGroupPosition(proxyPos); // schedules the entire group for a terse update
                     }
                     break;
@@ -4992,7 +5374,7 @@ namespace OpenSim.Region.Framework.Scenes
                             jointErrorMessage(joint, "joint.TrackedBodyName is null, joint " + joint.ObjectNameInScene);
                         }
 
-                        Vector3 proxyPos = new Vector3(jointAnchor.X, jointAnchor.Y, jointAnchor.Z);
+                        Vector3 proxyPos = jointAnchor;
                         Quaternion q = trackedBody.RotationOffset * joint.LocalRotation;
 
                         jointProxyObject.ParentGroup.UpdateGroupPosition(proxyPos); // schedules the entire group for a terse update
@@ -5081,6 +5463,10 @@ namespace OpenSim.Region.Framework.Scenes
             return null;
         }
 
+        // Get terrain height at the specified <x,y> location.
+        // Presumes the underlying implementation is a heightmap which is a 1m grid.
+        // Finds heightmap grid points before and after the point and
+        //    does a linear approximation of the height at this intermediate point.
         public float GetGroundHeight(float x, float y)
         {
             if (x < 0)
@@ -5093,8 +5479,8 @@ namespace OpenSim.Region.Framework.Scenes
                 y = Heightmap.Height - 1;
 
             Vector3 p0 = new Vector3(x, y, (float)Heightmap[(int)x, (int)y]);
-            Vector3 p1 = new Vector3(p0);
-            Vector3 p2 = new Vector3(p0);
+            Vector3 p1 = p0;
+            Vector3 p2 = p0;
 
             p1.X += 1.0f;
             if (p1.X < Heightmap.Width)
@@ -5141,9 +5527,14 @@ namespace OpenSim.Region.Framework.Scenes
             get { return m_allowScriptCrossings; }
         }
 
-        public Vector3? GetNearestAllowedPosition(ScenePresence avatar)
+        public Vector3 GetNearestAllowedPosition(ScenePresence avatar)
         {
-            ILandObject nearestParcel = GetNearestAllowedParcel(avatar.UUID, avatar.AbsolutePosition.X, avatar.AbsolutePosition.Y);
+            return GetNearestAllowedPosition(avatar, null);
+        }
+
+        public Vector3 GetNearestAllowedPosition(ScenePresence avatar, ILandObject excludeParcel)
+        {
+            ILandObject nearestParcel = GetNearestAllowedParcel(avatar.UUID, avatar.AbsolutePosition.X, avatar.AbsolutePosition.Y, excludeParcel);
 
             if (nearestParcel != null)
             {
@@ -5152,10 +5543,7 @@ namespace OpenSim.Region.Framework.Scenes
                 Vector3? nearestPoint = GetNearestPointInParcelAlongDirectionFromPoint(avatar.AbsolutePosition, dir, nearestParcel);
                 if (nearestPoint != null)
                 {
-//                    m_log.DebugFormat(
-//                        "[SCENE]: Found a sane previous position based on velocity for {0}, sending them to {1} in {2}",
-//                        avatar.Name, nearestPoint, nearestParcel.LandData.Name);
-
+                    m_log.Debug("Found a sane previous position based on velocity, sending them to: " + nearestPoint.ToString());
                     return nearestPoint.Value;
                 }
 
@@ -5165,24 +5553,27 @@ namespace OpenSim.Region.Framework.Scenes
                 nearestPoint = GetNearestPointInParcelAlongDirectionFromPoint(avatar.AbsolutePosition, dir, nearestParcel);
                 if (nearestPoint != null)
                 {
-//                    m_log.DebugFormat(
-//                        "[SCENE]: {0} had a zero velocity, sending them to {1}", avatar.Name, nearestPoint);
-
+                    m_log.Debug("They had a zero velocity, sending them to: " + nearestPoint.ToString());
                     return nearestPoint.Value;
                 }
 
-                //Ultimate backup if we have no idea where they are
-//                m_log.DebugFormat(
-//                    "[SCENE]: No idea where {0} is, sending them to {1}", avatar.Name, avatar.lastKnownAllowedPosition);
+                ILandObject dest = LandChannel.GetLandObject(avatar.lastKnownAllowedPosition.X, avatar.lastKnownAllowedPosition.Y);
+                if (dest != excludeParcel)
+                {
+                    // Ultimate backup if we have no idea where they are and
+                    // the last allowed position was in another parcel
+                    m_log.Debug("Have no idea where they are, sending them to: " + avatar.lastKnownAllowedPosition.ToString());
+                    return avatar.lastKnownAllowedPosition;
+                }
 
-                return avatar.lastKnownAllowedPosition;
+                // else fall through to region edge
             }
 
             //Go to the edge, this happens in teleporting to a region with no available parcels
             Vector3 nearestRegionEdgePoint = GetNearestRegionEdgePosition(avatar);
 
-            //Debug.WriteLine("They are really in a place they don't belong, sending them to: " + nearestRegionEdgePoint.ToString());
-            
+            //m_log.Debug("They are really in a place they don't belong, sending them to: " + nearestRegionEdgePoint.ToString());
+
             return nearestRegionEdgePoint;
         }
 
@@ -5196,7 +5587,7 @@ namespace OpenSim.Region.Framework.Scenes
         {
             Vector3 unitDirection = Vector3.Normalize(direction);
             //Making distance to search go through some sane limit of distance
-            for (float distance = 0; distance < Constants.RegionSize * 2; distance += .5f)
+            for (float distance = 0; distance < Math.Max(RegionInfo.RegionSizeX, RegionInfo.RegionSizeY) * 2; distance += .5f)
             {
                 Vector3 testPos = Vector3.Add(pos, Vector3.Multiply(unitDirection, distance));
                 if (parcel.ContainsPoint((int)testPos.X, (int)testPos.Y))
@@ -5209,13 +5600,18 @@ namespace OpenSim.Region.Framework.Scenes
 
         public ILandObject GetNearestAllowedParcel(UUID avatarId, float x, float y)
         {
+            return GetNearestAllowedParcel(avatarId, x, y, null);
+        }
+
+        public ILandObject GetNearestAllowedParcel(UUID avatarId, float x, float y, ILandObject excludeParcel)
+        {
             List<ILandObject> all = AllParcels();
             float minParcelDistance = float.MaxValue;
             ILandObject nearestParcel = null;
 
             foreach (var parcel in all)
             {
-                if (!parcel.IsEitherBannedOrRestricted(avatarId))
+                if (!parcel.IsEitherBannedOrRestricted(avatarId) && parcel != excludeParcel)
                 {
                     float parcelDistance = GetParcelDistancefromPoint(parcel, x, y);
                     if (parcelDistance < minParcelDistance)
@@ -5245,9 +5641,9 @@ namespace OpenSim.Region.Framework.Scenes
             int count = 0;
             int avgx = 0;
             int avgy = 0;
-            for (int x = 0; x < Constants.RegionSize; x++)
+            for (int x = 0; x < RegionInfo.RegionSizeX; x++)
             {
-                for (int y = 0; y < Constants.RegionSize; y++)
+                for (int y = 0; y < RegionInfo.RegionSizeY; y++)
                 {
                     //Just keep a running average as we check if all the points are inside or not
                     if (parcel.ContainsPoint(x, y))
@@ -5271,31 +5667,33 @@ namespace OpenSim.Region.Framework.Scenes
 
         private Vector3 GetNearestRegionEdgePosition(ScenePresence avatar)
         {
-            float xdistance = avatar.AbsolutePosition.X < Constants.RegionSize / 2 ? avatar.AbsolutePosition.X : Constants.RegionSize - avatar.AbsolutePosition.X;
-            float ydistance = avatar.AbsolutePosition.Y < Constants.RegionSize / 2 ? avatar.AbsolutePosition.Y : Constants.RegionSize - avatar.AbsolutePosition.Y;
+            float xdistance = avatar.AbsolutePosition.X < RegionInfo.RegionSizeX / 2
+                                ? avatar.AbsolutePosition.X : RegionInfo.RegionSizeX - avatar.AbsolutePosition.X;
+            float ydistance = avatar.AbsolutePosition.Y < RegionInfo.RegionSizeY / 2
+                                ? avatar.AbsolutePosition.Y : RegionInfo.RegionSizeY - avatar.AbsolutePosition.Y;
 
             //find out what vertical edge to go to
             if (xdistance < ydistance)
             {
-                if (avatar.AbsolutePosition.X < Constants.RegionSize / 2)
+                if (avatar.AbsolutePosition.X < RegionInfo.RegionSizeX / 2)
                 {
                     return GetPositionAtAvatarHeightOrGroundHeight(avatar, 0.0f, avatar.AbsolutePosition.Y);
                 }
                 else
                 {
-                    return GetPositionAtAvatarHeightOrGroundHeight(avatar, Constants.RegionSize, avatar.AbsolutePosition.Y);
+                    return GetPositionAtAvatarHeightOrGroundHeight(avatar, RegionInfo.RegionSizeY, avatar.AbsolutePosition.Y);
                 }
             }
             //find out what horizontal edge to go to
             else
             {
-                if (avatar.AbsolutePosition.Y < Constants.RegionSize / 2)
+                if (avatar.AbsolutePosition.Y < RegionInfo.RegionSizeY / 2)
                 {
                     return GetPositionAtAvatarHeightOrGroundHeight(avatar, avatar.AbsolutePosition.X, 0.0f);
                 }
                 else
                 {
-                    return GetPositionAtAvatarHeightOrGroundHeight(avatar, avatar.AbsolutePosition.X, Constants.RegionSize);
+                    return GetPositionAtAvatarHeightOrGroundHeight(avatar, avatar.AbsolutePosition.X, RegionInfo.RegionSizeY);
                 }
             }
         }
@@ -5336,33 +5734,7 @@ namespace OpenSim.Region.Framework.Scenes
 
         public void TriggerEstateSunUpdate()
         {
-            float sun;
-            if (RegionInfo.RegionSettings.UseEstateSun)
-            {
-                sun = (float)RegionInfo.EstateSettings.SunPosition;
-                if (RegionInfo.EstateSettings.UseGlobalTime)
-                {
-                    sun = EventManager.GetCurrentTimeAsSunLindenHour() - 6.0f;
-                }
-
-                // 
-                EventManager.TriggerEstateToolsSunUpdate(
-                        RegionInfo.RegionHandle,
-                        RegionInfo.EstateSettings.FixedSun,
-                        RegionInfo.RegionSettings.UseEstateSun,
-                        sun);
-            }
-            else
-            {
-                // Use the Sun Position from the Region Settings
-                sun = (float)RegionInfo.RegionSettings.SunPosition - 6.0f;
-
-                EventManager.TriggerEstateToolsSunUpdate(
-                        RegionInfo.RegionHandle,
-                        RegionInfo.RegionSettings.FixedSun,
-                        RegionInfo.RegionSettings.UseEstateSun,
-                        sun);
-            }
+            EventManager.TriggerEstateToolsSunUpdate(RegionInfo.RegionHandle);
         }
 
         private void HandleReloadEstate(string module, string[] cmd)
@@ -5387,15 +5759,15 @@ namespace OpenSim.Region.Framework.Scenes
         /// <param name="maxZ"></param>
         /// <returns></returns>
         public static Vector3[] GetCombinedBoundingBox(
-           List<SceneObjectGroup> objects, 
+           List<SceneObjectGroup> objects,
            out float minX, out float maxX, out float minY, out float maxY, out float minZ, out float maxZ)
         {
-            minX = 256;
-            maxX = -256;
-            minY = 256;
-            maxY = -256;
-            minZ = 8192;
-            maxZ = -256;
+            minX = float.MaxValue;
+            maxX = float.MinValue;
+            minY = float.MaxValue;
+            maxY = float.MinValue;
+            minZ = float.MaxValue;
+            maxZ = float.MinValue;
 
             List<Vector3> offsets = new List<Vector3>();
 
@@ -5406,7 +5778,7 @@ namespace OpenSim.Region.Framework.Scenes
                 Vector3 vec = g.AbsolutePosition;
 
                 g.GetAxisAlignedBoundingBoxRaw(out ominX, out omaxX, out ominY, out omaxY, out ominZ, out omaxZ);
-               
+
 //                m_log.DebugFormat(
 //                    "[SCENE]: For {0} found AxisAlignedBoundingBoxRaw {1}, {2}", 
 //                    g.Name, new Vector3(ominX, ominY, ominZ), new Vector3(omaxX, omaxY, omaxZ));
@@ -5465,7 +5837,7 @@ namespace OpenSim.Region.Framework.Scenes
             // so that all simulators can retrieve it
             string error = GridService.RegisterRegion(RegionInfo.ScopeID, new GridRegion(RegionInfo));
             if (error != string.Empty)
-                throw new Exception(error);
+            throw new Exception(error);
         }
 
         /// <summary>
@@ -5479,22 +5851,23 @@ namespace OpenSim.Region.Framework.Scenes
         /// or corssing the broder walking, but will NOT prevent
         /// child agent creation, thereby emulating the SL behavior.
         /// </remarks>
-        /// <param name='agentID'></param>
+        /// <param name='agentID'>The visitor's User ID</param>
+        /// <param name="agentHomeURI">The visitor's Home URI (may be null)</param>
         /// <param name='position'></param>
         /// <param name='reason'></param>
         /// <returns></returns>
-        public bool QueryAccess(UUID agentID, Vector3 position, out string reason)
+        public bool QueryAccess(UUID agentID, string agentHomeURI, bool viaTeleport, Vector3 position, List<UUID> features, out string reason)
         {
-            if (EntityTransferModule.IsInTransit(agentID))
-            {
-                reason = "Agent is still in transit from this region";
+            reason = string.Empty;
 
-                m_log.WarnFormat(
-                    "[SCENE]: Denying agent {0} entry into {1} since region still has them registered as in transit",
-                    agentID, RegionInfo.RegionName);
+            if (Permissions.IsGod(agentID))
+            {
+                reason = String.Empty;
+                return true;
+            }
 
+            if (!AllowAvatarCrossing && !viaTeleport)
                 return false;
-            }
 
             // FIXME: Root agent count is currently known to be inaccurate.  This forces a recount before we check.
             // However, the long term fix is to make sure root agent count is always accurate.
@@ -5516,7 +5889,43 @@ namespace OpenSim.Region.Framework.Scenes
                 }
             }
 
-            if (position == Vector3.Zero) // Teleport
+            ScenePresence presence = GetScenePresence(agentID);
+            IClientAPI client = null;
+            AgentCircuitData aCircuit = null;
+
+            if (presence != null)
+            {
+                client = presence.ControllingClient;
+                if (client != null)
+                    aCircuit = client.RequestClientInfo();
+            }
+
+            // We may be called before there is a presence or a client.
+            // Fake AgentCircuitData to keep IAuthorizationModule smiling
+            if (client == null)
+            {
+                aCircuit = new AgentCircuitData();
+                aCircuit.AgentID = agentID;
+                aCircuit.firstname = String.Empty;
+                aCircuit.lastname = String.Empty;
+            }
+
+            try
+            {
+                if (!AuthorizeUser(aCircuit, false, out reason))
+                {
+                    //m_log.DebugFormat("[SCENE]: Denying access for {0}", agentID);
+                    return false;
+                }
+            }
+            catch (Exception e)
+            {
+                m_log.DebugFormat("[SCENE]: Exception authorizing agent: {0} " + e.StackTrace, e.Message);
+                reason = "Error authorizing agent: " + e.Message;
+                return false;
+            }
+
+            if (viaTeleport)
             {
                 if (!RegionInfo.EstateSettings.AllowDirectTeleport)
                 {
@@ -5539,11 +5948,47 @@ namespace OpenSim.Region.Framework.Scenes
 
                         if (banned)
                         {
-                            reason = "No suitable landing point found";
-                            return false;
+                            if (Permissions.IsAdministrator(agentID) == false || Permissions.IsGridGod(agentID) == false)
+                            {
+                                reason = "No suitable landing point found";
+                                return false;
+                            }
+                            reason = "Administrative access only";
+                            return true;
                         }
                     }
                 }
+
+                float posX = 128.0f;
+                float posY = 128.0f;
+
+                if (!TestLandRestrictions(agentID, out reason, ref posX, ref posY))
+                {
+                    // m_log.DebugFormat("[SCENE]: Denying {0} because they are banned on all parcels", agentID);
+                    reason = "You are banned from the region on all parcels";
+                    return false;
+                }
+            }
+            else // Walking
+            {
+                ILandObject land = LandChannel.GetLandObject(position.X, position.Y);
+                if (land == null)
+                {
+                    reason = "No parcel found";
+                    return false;
+                }
+
+                bool banned = land.IsBannedFromLand(agentID);
+                bool restricted = land.IsRestrictedFromLand(agentID);
+
+                if (banned || restricted)
+                {
+                    if (banned)
+                        reason = "You are banned from the parcel";
+                    else
+                        reason = "The parcel is restricted";
+                    return false;
+                }
             }
 
             reason = String.Empty;
diff --git a/OpenSim/Region/Framework/Scenes/SceneBase.cs b/OpenSim/Region/Framework/Scenes/SceneBase.cs
index d3e968e..7ff3d40 100644
--- a/OpenSim/Region/Framework/Scenes/SceneBase.cs
+++ b/OpenSim/Region/Framework/Scenes/SceneBase.cs
@@ -44,6 +44,10 @@ namespace OpenSim.Region.Framework.Scenes
     {
         private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
 
+#pragma warning disable 414
+        private static readonly string LogHeader = "[SCENE]";
+#pragma warning restore 414
+
         #region Events
 
         public event restart OnRestart;
@@ -78,6 +82,13 @@ namespace OpenSim.Region.Framework.Scenes
         /// </value>
         protected Dictionary<Type, List<object>> ModuleInterfaces = new Dictionary<Type, List<object>>();
 
+        /// <summary>
+        /// These two objects hold the information about any formats used
+        /// by modules that hold agent specific data.
+        /// </summary>
+        protected List<UUID> FormatsOffered = new List<UUID>();
+        protected Dictionary<object, List<UUID>> FormatsWanted = new Dictionary<object, List<UUID>>();
+
         protected Dictionary<string, object> ModuleAPIMethods = new Dictionary<string, object>();
 
         /// <value>
@@ -141,10 +152,6 @@ namespace OpenSim.Region.Framework.Scenes
             get { return 1.0f; }
         }
 
-        protected ulong m_regionHandle;
-        protected string m_regionName;
-        protected RegionInfo m_regInfo;
-
         public ITerrainChannel Heightmap;
 
         /// <value>
@@ -192,7 +199,8 @@ namespace OpenSim.Region.Framework.Scenes
         /// Number of frames to update.  Exits on shutdown even if there are frames remaining.
         /// If -1 then updates until shutdown.
         /// </param>
-        public abstract void Update(int frames);
+        /// <returns>true if update completed within minimum frame time, false otherwise.</returns>
+        public abstract bool Update(int frames);
 
         #endregion
 
@@ -209,15 +217,21 @@ namespace OpenSim.Region.Framework.Scenes
         /// <param name="RemoteClient">Client to send to</param>
         public virtual void SendLayerData(IClientAPI RemoteClient)
         {
-            RemoteClient.SendLayerData(Heightmap.GetFloatsSerialised());
+            // RemoteClient.SendLayerData(Heightmap.GetFloatsSerialised());
+            ITerrainModule terrModule = RequestModuleInterface<ITerrainModule>();
+            if (terrModule != null)
+            {
+                terrModule.PushTerrain(RemoteClient);
+            }
         }
 
         #endregion
 
         #region Add/Remove Agent/Avatar
 
-        public abstract ISceneAgent AddNewClient(IClientAPI client, PresenceType type);
-        public abstract void RemoveClient(UUID agentID, bool closeChildAgents);
+        public abstract ISceneAgent AddNewAgent(IClientAPI client, PresenceType type);
+
+        public abstract bool CloseAgent(UUID agentID, bool force);
 
         public bool TryGetScenePresence(UUID agentID, out object scenePresence)
         {
@@ -360,6 +374,38 @@ namespace OpenSim.Region.Framework.Scenes
             return m_moduleCommanders;
         }
 
+        public List<UUID> GetFormatsOffered()
+        {
+            List<UUID> ret = new List<UUID>(FormatsOffered);
+
+            return ret;
+        }
+
+        protected void CheckAndAddAgentDataFormats(object mod)
+        {
+            if (!(mod is IAgentStatefulModule))
+                return;
+
+            IAgentStatefulModule m = (IAgentStatefulModule)mod;
+
+            List<UUID> renderFormats = m.GetRenderStateFormats();
+            List<UUID> acceptFormats = m.GetAcceptStateFormats();
+
+            foreach (UUID render in renderFormats)
+            {
+                if (!(FormatsOffered.Contains(render)))
+                    FormatsOffered.Add(render);
+            }
+
+            if (acceptFormats.Count == 0)
+                return;
+
+            if (FormatsWanted.ContainsKey(mod))
+                return;
+
+            FormatsWanted[mod] = acceptFormats;
+        }
+
         /// <summary>
         /// Register an interface to a region module.  This allows module methods to be called directly as
         /// well as via events.  If there is already a module registered for this interface, it is not replaced
@@ -382,6 +428,8 @@ namespace OpenSim.Region.Framework.Scenes
 
             l.Add(mod);
 
+            CheckAndAddAgentDataFormats(mod);
+
             if (mod is IEntityCreator)
             {
                 IEntityCreator entityCreator = (IEntityCreator)mod;
@@ -394,6 +442,14 @@ namespace OpenSim.Region.Framework.Scenes
 
         public void UnregisterModuleInterface<M>(M mod)
         {
+            // We can't unregister agent stateful modules because
+            // that would require much more data to be held about formats
+            // and would make that code slower and less efficient.
+            // No known modules are unregistered anyway, ever, unless
+            // the simulator shuts down anyway.
+            if (mod is IAgentStatefulModule)
+                return;
+
             List<Object> l;
             if (ModuleInterfaces.TryGetValue(typeof(M), out l))
             {
@@ -424,6 +480,8 @@ namespace OpenSim.Region.Framework.Scenes
 
             l.Add(mod);
 
+            CheckAndAddAgentDataFormats(mod);
+
             if (mod is IEntityCreator)
             {
                 IEntityCreator entityCreator = (IEntityCreator)mod;
@@ -561,6 +619,10 @@ namespace OpenSim.Region.Framework.Scenes
             get { return false; }
         }
 
+        public virtual void Start()
+        {
+        }
+
         public void Restart()
         {
             // This has to be here to fire the event
diff --git a/OpenSim/Region/Framework/Scenes/SceneCommunicationService.cs b/OpenSim/Region/Framework/Scenes/SceneCommunicationService.cs
index 305f8a4..b9526da 100644
--- a/OpenSim/Region/Framework/Scenes/SceneCommunicationService.cs
+++ b/OpenSim/Region/Framework/Scenes/SceneCommunicationService.cs
@@ -35,7 +35,6 @@ using OpenMetaverse.StructuredData;
 using log4net;
 using OpenSim.Framework;
 using OpenSim.Framework.Client;
-using OpenSim.Framework.Communications;
 using OpenSim.Framework.Capabilities;
 using OpenSim.Region.Framework.Interfaces;
 using OpenSim.Services.Interfaces;
@@ -52,6 +51,7 @@ namespace OpenSim.Region.Framework.Scenes
     public class SceneCommunicationService //one instance per region
     {
         private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
+        private static string LogHeader = "[SCENE COMMUNICATION SERVICE]";
 
         protected RegionInfo m_regionInfo;
         protected Scene m_scene;
@@ -84,15 +84,12 @@ namespace OpenSim.Region.Framework.Scenes
             if (neighbourService != null)
                 neighbour = neighbourService.HelloNeighbour(regionhandle, region);
             else
-                m_log.DebugFormat(
-                    "[SCENE COMMUNICATION SERVICE]: No neighbour service provided for region {0} to inform neigbhours of status",
-                    m_scene.Name);
+                m_log.DebugFormat( "{0} neighbour service provided for region {0} to inform neigbhours of status", LogHeader, m_scene.Name);
 
             if (neighbour != null)
             {
-                m_log.DebugFormat(
-                    "[SCENE COMMUNICATION SERVICE]: Region {0} successfully informed neighbour {1} at {2}-{3} that it is up",
-                    m_scene.Name, neighbour.RegionName, x / Constants.RegionSize, y / Constants.RegionSize);
+                m_log.DebugFormat( "{0} Region {1} successfully informed neighbour {2} at {3}-{4} that it is up",
+                    LogHeader, m_scene.Name, neighbour.RegionName, Util.WorldToRegionLoc(x), Util.WorldToRegionLoc(y));
 
                 m_scene.EventManager.TriggerOnRegionUp(neighbour);
             }
@@ -100,7 +97,7 @@ namespace OpenSim.Region.Framework.Scenes
             {
                 m_log.WarnFormat(
                     "[SCENE COMMUNICATION SERVICE]: Region {0} failed to inform neighbour at {1}-{2} that it is up.",
-                    m_scene.Name, x / Constants.RegionSize, y / Constants.RegionSize);
+                    m_scene.Name, Util.WorldToRegionLoc(x), Util.WorldToRegionLoc(y));
             }
         }
 
@@ -111,12 +108,35 @@ namespace OpenSim.Region.Framework.Scenes
             List<GridRegion> neighbours
                 = m_scene.GridService.GetNeighbours(m_scene.RegionInfo.ScopeID, m_scene.RegionInfo.RegionID);
 
-            m_log.DebugFormat(
-                "[SCENE COMMUNICATION SERVICE]: Informing {0} neighbours that region {1} is up",
-                neighbours.Count, m_scene.Name);
+            List<GridRegion> onlineNeighbours = new List<GridRegion>();
 
             foreach (GridRegion n in neighbours)
             {
+                OpenSim.Framework.RegionFlags? regionFlags = n.RegionFlags;
+
+//                m_log.DebugFormat(
+//                    "{0}: Region flags for {1} as seen by {2} are {3}", 
+//                    LogHeader, n.RegionName, m_scene.Name, regionFlags != null ? regionFlags.ToString() : "not present");
+
+                // Robust services before 2015-01-14 do not return the regionFlags information.  In this case, we could
+                // make a separate RegionFlags call but this would involve a network call for each neighbour.
+                if (regionFlags != null)
+                {
+                    if ((regionFlags & OpenSim.Framework.RegionFlags.RegionOnline) != 0)
+                        onlineNeighbours.Add(n);
+                }
+                else
+                {
+                    onlineNeighbours.Add(n);
+                }
+            }
+
+            m_log.DebugFormat(
+                "{0} Informing {1} neighbours that region {2} is up", 
+                LogHeader, onlineNeighbours.Count, m_scene.Name);
+
+            foreach (GridRegion n in onlineNeighbours)
+            {
                 InformNeighbourThatRegionUpDelegate d = InformNeighboursThatRegionIsUpAsync;
                 d.BeginInvoke(neighbourService, region, n.RegionHandle,
                               InformNeighborsThatRegionisUpCompleted,
@@ -154,6 +174,10 @@ namespace OpenSim.Region.Framework.Scenes
 
         public void SendChildAgentDataUpdate(AgentPosition cAgentData, ScenePresence presence)
         {
+//            m_log.DebugFormat(
+//                "[SCENE COMMUNICATION SERVICE]: Sending child agent position updates for {0} in {1}", 
+//                presence.Name, m_scene.Name);
+
             // This assumes that we know what our neighbors are.
             try
             {
@@ -166,7 +190,7 @@ namespace OpenSim.Region.Framework.Scenes
                         // we only want to send one update to each simulator; the simulator will
                         // hand it off to the regions where a child agent exists, this does assume
                         // that the region position is cached or performance will degrade
-                        Utils.LongToUInts(regionHandle, out x, out y);
+                        Util.RegionHandleToWorldLoc(regionHandle, out x, out y);
                         GridRegion dest = m_scene.GridService.GetRegionByPosition(UUID.Zero, (int)x, (int)y);
                         if (dest == null)
                             continue;
@@ -197,20 +221,20 @@ namespace OpenSim.Region.Framework.Scenes
         /// <summary>
         /// Closes a child agent on a given region
         /// </summary>
-        protected void SendCloseChildAgent(UUID agentID, ulong regionHandle)
+        protected void SendCloseChildAgent(UUID agentID, ulong regionHandle, string auth_token)
         {
             // let's do our best, but there's not much we can do if the neighbour doesn't accept.
 
             //m_commsProvider.InterRegion.TellRegionToCloseChildConnection(regionHandle, agentID);
             uint x = 0, y = 0;
-            Utils.LongToUInts(regionHandle, out x, out y);
+            Util.RegionHandleToWorldLoc(regionHandle, out x, out y);
 
             GridRegion destination = m_scene.GridService.GetRegionByPosition(m_regionInfo.ScopeID, (int)x, (int)y);
 
             m_log.DebugFormat(
                 "[SCENE COMMUNICATION SERVICE]: Sending close agent ID {0} to {1}", agentID, destination.RegionName);
 
-            m_scene.SimulationService.CloseAgent(destination, agentID);
+            m_scene.SimulationService.CloseAgent(destination, agentID, auth_token);
         }
 
         /// <summary>
@@ -219,11 +243,17 @@ namespace OpenSim.Region.Framework.Scenes
         /// </summary>
         /// <param name="agentID"></param>
         /// <param name="regionslst"></param>
-        public void SendCloseChildAgentConnections(UUID agentID, List<ulong> regionslst)
+        public void SendCloseChildAgentConnections(UUID agentID, string auth_code, List<ulong> regionslst)
         {
             foreach (ulong handle in regionslst)
             {
-                SendCloseChildAgent(agentID, handle);
+                // We must take a copy here since handle is acts like a reference when used in an iterator.
+                // This leads to race conditions if directly passed to SendCloseChildAgent with more than one neighbour region.
+                ulong handleCopy = handle;
+                Util.FireAndForget(
+                    o => SendCloseChildAgent(agentID, handleCopy, auth_code), 
+                    null, 
+                    "SceneCommunicationService.SendCloseChildAgentConnections");
             }
         }
        
diff --git a/OpenSim/Region/Framework/Scenes/SceneGraph.cs b/OpenSim/Region/Framework/Scenes/SceneGraph.cs
index a4383fd..e0080f2 100644..100755
--- a/OpenSim/Region/Framework/Scenes/SceneGraph.cs
+++ b/OpenSim/Region/Framework/Scenes/SceneGraph.cs
@@ -34,7 +34,7 @@ using OpenMetaverse.Packets;
 using log4net;
 using OpenSim.Framework;
 using OpenSim.Region.Framework.Scenes.Types;
-using OpenSim.Region.Physics.Manager;
+using OpenSim.Region.PhysicsModules.SharedBase;
 using OpenSim.Region.Framework.Interfaces;
 
 namespace OpenSim.Region.Framework.Scenes
@@ -67,7 +67,9 @@ namespace OpenSim.Region.Framework.Scenes
         protected Scene m_parentScene;
         protected Dictionary<UUID, SceneObjectGroup> m_updateList = new Dictionary<UUID, SceneObjectGroup>();
         protected int m_numRootAgents = 0;
+        protected int m_numTotalPrim = 0;
         protected int m_numPrim = 0;
+        protected int m_numMesh = 0;
         protected int m_numChildAgents = 0;
         protected int m_physicalPrim = 0;
 
@@ -109,7 +111,12 @@ namespace OpenSim.Region.Framework.Scenes
 
         public PhysicsScene PhysicsScene
         {
-            get { return _PhyScene; }
+            get 
+            {
+                if (_PhyScene == null)
+                    _PhyScene = m_parentScene.RequestModuleInterface<PhysicsScene>();
+                return _PhyScene; 
+            }
             set
             {
                 // If we're not doing the initial set
@@ -155,9 +162,9 @@ namespace OpenSim.Region.Framework.Scenes
 
             // PhysX does this (runs in the background).
 
-            if (_PhyScene.IsThreaded)
+            if (PhysicsScene.IsThreaded)
             {
-                _PhyScene.GetResults();
+                PhysicsScene.GetResults();
             }
         }
 
@@ -197,7 +204,7 @@ namespace OpenSim.Region.Framework.Scenes
             // position).
             //
             // Therefore, JointMoved and JointDeactivated events will be fired as a result of the following Simulate().
-            return _PhyScene.Simulate((float)elapsed);
+            return PhysicsScene.Simulate((float)elapsed);
         }
 
         protected internal void UpdateScenePresenceMovement()
@@ -368,7 +375,8 @@ namespace OpenSim.Region.Framework.Scenes
 
             SceneObjectPart[] parts = sceneObject.Parts;
 
-            // Clamp child prim sizes and add child prims to the m_numPrim count
+            // Clamp the sizes (scales) of the child prims and add the child prims to the count of all primitives
+            // (meshes and geometric primitives) in the scene; add child prims to m_numTotalPrim count
             if (m_parentScene.m_clampPrimSize)
             {
                 foreach (SceneObjectPart part in parts)
@@ -382,7 +390,19 @@ namespace OpenSim.Region.Framework.Scenes
                     part.Shape.Scale = scale;
                 }
             }
-            m_numPrim += parts.Length;
+            m_numTotalPrim += parts.Length;
+
+            // Go through all parts (geometric primitives and meshes) of this Scene Object
+            foreach (SceneObjectPart part in parts)
+            {
+                // Keep track of the total number of meshes or geometric primitives now in the scene;
+                // determine which object this is based on its primitive type: sculpted (sculpt) prim refers to
+                // a mesh and all other prims (i.e. box, sphere, etc) are geometric primitives
+                if (part.GetPrimType() == PrimType.SCULPT)
+                    m_numMesh++;
+                else
+                    m_numPrim++;
+            }
 
             sceneObject.AttachToScene(m_parentScene);
 
@@ -437,7 +457,21 @@ namespace OpenSim.Region.Framework.Scenes
 
             if (!resultOfObjectLinked)
             {
-                m_numPrim -= grp.PrimCount;
+                // Decrement the total number of primitives (meshes and geometric primitives)
+                // that are part of the Scene Object being removed
+                m_numTotalPrim -= grp.PrimCount;
+
+                // Go through all parts (primitives and meshes) of this Scene Object
+                foreach (SceneObjectPart part in grp.Parts)
+                {
+                    // Keep track of the total number of meshes or geometric primitives left in the scene;
+                    // determine which object this is based on its primitive type: sculpted (sculpt) prim refers to
+                    // a mesh and all other prims (i.e. box, sphere, etc) are geometric primitives
+                    if (part.GetPrimType() == PrimType.SCULPT)
+                        m_numMesh--;
+                    else
+                        m_numPrim--;
+                }
 
                 if ((grp.RootPart.Flags & PrimFlags.Physics) == PrimFlags.Physics)
                     RemovePhysicalPrim(grp.PrimCount);
@@ -519,12 +553,12 @@ namespace OpenSim.Region.Framework.Scenes
 
         protected internal void AddPhysicalPrim(int number)
         {
-            m_physicalPrim++;
+            m_physicalPrim += number;
         }
 
         protected internal void RemovePhysicalPrim(int number)
         {
-            m_physicalPrim--;
+            m_physicalPrim -= number;
         }
 
         protected internal void AddToScriptLPS(int number)
@@ -561,39 +595,15 @@ namespace OpenSim.Region.Framework.Scenes
         protected internal ScenePresence CreateAndAddChildScenePresence(
             IClientAPI client, AvatarAppearance appearance, PresenceType type)
         {
-            ScenePresence newAvatar = null;
-
             // ScenePresence always defaults to child agent
-            newAvatar = new ScenePresence(client, m_parentScene, appearance, type);
-
-            AddScenePresence(newAvatar);
-
-            return newAvatar;
-        }
-
-        /// <summary>
-        /// Add a presence to the scene
-        /// </summary>
-        /// <param name="presence"></param>
-        protected internal void AddScenePresence(ScenePresence presence)
-        {
-            // Always a child when added to the scene
-            bool child = presence.IsChildAgent;
-
-            if (child)
-            {
-                m_numChildAgents++;
-            }
-            else
-            {
-                m_numRootAgents++;
-                presence.AddToPhysicalScene(false);
-            }
+            ScenePresence presence = new ScenePresence(client, m_parentScene, appearance, type);
 
             Entities[presence.UUID] = presence;
 
             lock (m_presenceLock)
             {
+                m_numChildAgents++;
+
                 Dictionary<UUID, ScenePresence> newmap = new Dictionary<UUID, ScenePresence>(m_scenePresenceMap);
                 List<ScenePresence> newlist = new List<ScenePresence>(m_scenePresenceArray);
 
@@ -604,7 +614,7 @@ namespace OpenSim.Region.Framework.Scenes
                 }
                 else
                 {
-                    // Remember the old presene reference from the dictionary
+                    // Remember the old presence reference from the dictionary
                     ScenePresence oldref = newmap[presence.UUID];
                     // Replace the presence reference in the dictionary with the new value
                     newmap[presence.UUID] = presence;
@@ -616,6 +626,8 @@ namespace OpenSim.Region.Framework.Scenes
                 m_scenePresenceMap = newmap;
                 m_scenePresenceArray = newlist;
             }
+
+            return presence;
         }
 
         /// <summary>
@@ -709,9 +721,19 @@ namespace OpenSim.Region.Framework.Scenes
 
         public int GetTotalObjectsCount()
         {
+            return m_numTotalPrim;
+        }
+
+        public int GetTotalPrimObjectsCount()
+        {
             return m_numPrim;
         }
 
+        public int GetTotalMeshObjectsCount()
+        {
+            return m_numMesh;
+        }
+
         public int GetActiveObjectsCount()
         {
             return m_physicalPrim;
@@ -794,7 +816,8 @@ namespace OpenSim.Region.Framework.Scenes
             List<ScenePresence> presences = GetScenePresences();
             foreach (ScenePresence presence in presences)
             {
-                if (presence.Firstname == firstName && presence.Lastname == lastName)
+                if (string.Equals(presence.Firstname, firstName, StringComparison.CurrentCultureIgnoreCase)
+                    && string.Equals(presence.Lastname, lastName, StringComparison.CurrentCultureIgnoreCase))
                     return presence;
             }
             return null;
@@ -1348,12 +1371,23 @@ namespace OpenSim.Region.Framework.Scenes
         /// <summary>
         /// Update the position of the given group.
         /// </summary>
-        /// <param name="localID"></param>
+        /// <param name="localId"></param>
         /// <param name="pos"></param>
         /// <param name="remoteClient"></param>
-        public void UpdatePrimGroupPosition(uint localID, Vector3 pos, IClientAPI remoteClient)
+        public void UpdatePrimGroupPosition(uint localId, Vector3 pos, IClientAPI remoteClient)
         {
-            SceneObjectGroup group = GetGroupByPrim(localID);
+            UpdatePrimGroupPosition(localId, pos, remoteClient.AgentId);
+        }
+
+        /// <summary>
+        /// Update the position of the given group.
+        /// </summary>
+        /// <param name="localId"></param>
+        /// <param name="pos"></param>
+        /// <param name="updatingAgentId"></param>
+        public void UpdatePrimGroupPosition(uint localId, Vector3 pos, UUID updatingAgentId)
+        {
+            SceneObjectGroup group = GetGroupByPrim(localId);
             
             if (group != null)
             {
@@ -1364,7 +1398,7 @@ namespace OpenSim.Region.Framework.Scenes
                 }
                 else
                 {
-                    if (m_parentScene.Permissions.CanMoveObject(group.UUID, remoteClient.AgentId) 
+                    if (m_parentScene.Permissions.CanMoveObject(group.UUID, updatingAgentId) 
                         && m_parentScene.Permissions.CanObjectEntry(group.UUID, false, pos))
                     {
                         group.UpdateGroupPosition(pos);
@@ -1408,7 +1442,7 @@ namespace OpenSim.Region.Framework.Scenes
         /// <param name="SetPhantom"></param>
         /// <param name="remoteClient"></param>
         protected internal void UpdatePrimFlags(
-            uint localID, bool UsePhysics, bool SetTemporary, bool SetPhantom, IClientAPI remoteClient)
+            uint localID, bool UsePhysics, bool SetTemporary, bool SetPhantom, ExtraPhysicsData PhysData, IClientAPI remoteClient)
         {
             SceneObjectGroup group = GetGroupByPrim(localID);
             if (group != null)
@@ -1416,7 +1450,28 @@ namespace OpenSim.Region.Framework.Scenes
                 if (m_parentScene.Permissions.CanEditObject(group.UUID, remoteClient.AgentId))
                 {
                     // VolumeDetect can't be set via UI and will always be off when a change is made there
-                    group.UpdatePrimFlags(localID, UsePhysics, SetTemporary, SetPhantom, false);
+                    // now only change volume dtc if phantom off
+
+                    if (PhysData.PhysShapeType == PhysShapeType.invalid) // check for extraPhysics data
+                    {
+                        bool vdtc;
+                        if (SetPhantom) // if phantom keep volumedtc
+                            vdtc = group.RootPart.VolumeDetectActive;
+                        else // else turn it off
+                            vdtc = false;
+
+                        group.UpdatePrimFlags(localID, UsePhysics, SetTemporary, SetPhantom, vdtc);
+                    }
+                    else
+                    {
+                        SceneObjectPart part = GetSceneObjectPart(localID);
+                        if (part != null)
+                        {
+                            part.UpdateExtraPhysics(PhysData);
+                            if (part.UpdatePhysRequired)
+                                remoteClient.SendPartPhysicsProprieties(part);
+                        }
+                    }
                 }
             }
         }
@@ -1435,8 +1490,9 @@ namespace OpenSim.Region.Framework.Scenes
             {
                 if (m_parentScene.Permissions.CanMoveObject(group.UUID, remoteClient.AgentId))// && PermissionsMngr.)
                 {
-                    group.GrabMovement(offset, pos, remoteClient);
+                    group.GrabMovement(objectID, offset, pos, remoteClient);
                 }
+
                 // This is outside the above permissions condition
                 // so that if the object is locked the client moving the object
                 // get's it's position on the simulator even if it was the same as before
@@ -1624,6 +1680,12 @@ namespace OpenSim.Region.Framework.Scenes
         /// <param name="childPrims"></param>
         protected internal void LinkObjects(SceneObjectPart root, List<SceneObjectPart> children)
         {
+            if (root.KeyframeMotion != null)
+            {
+                root.KeyframeMotion.Stop();
+                root.KeyframeMotion = null;
+            }
+
             SceneObjectGroup parentGroup = root.ParentGroup;
             if (parentGroup == null) return;
 
@@ -1701,6 +1763,11 @@ namespace OpenSim.Region.Framework.Scenes
                 {
                     if (part != null)
                     {
+                        if (part.KeyframeMotion != null)
+                        {
+                            part.KeyframeMotion.Stop();
+                            part.KeyframeMotion = null;
+                        }
                         if (part.ParentGroup.PrimCount != 1) // Skip single
                         {
                             if (part.LinkNum < 2) // Root
@@ -1884,7 +1951,7 @@ namespace OpenSim.Region.Framework.Scenes
                 if (original == null)
                 {
                     m_log.WarnFormat(
-                        "[SCENEGRAPH]: Attempt to duplicate nonexistant prim id {0} by {1}", originalPrimID, AgentID);
+                        "[SCENEGRAPH]: Attempt to duplicate nonexistent prim id {0} by {1}", originalPrimID, AgentID);
 
                     return null;
                 }
@@ -1947,7 +2014,19 @@ namespace OpenSim.Region.Framework.Scenes
                 // think it's selected, so it will never send a deselect...
                 copy.IsSelected = false;
 
-                m_numPrim += copy.Parts.Length;
+                m_numTotalPrim += copy.Parts.Length;
+
+                // Go through all parts (primitives and meshes) of this Scene Object
+                foreach (SceneObjectPart part in copy.Parts)
+                {
+                    // Keep track of the total number of meshes or geometric primitives now in the scene;
+                    // determine which object this is based on its primitive type: sculpted (sculpt) prim refers to
+                    // a mesh and all other prims (i.e. box, sphere, etc) are geometric primitives
+                    if (part.GetPrimType() == PrimType.SCULPT)
+                        m_numMesh++;
+                    else
+                        m_numPrim++;
+                }
 
                 if (rot != Quaternion.Identity)
                 {
diff --git a/OpenSim/Region/Framework/Scenes/SceneManager.cs b/OpenSim/Region/Framework/Scenes/SceneManager.cs
index 1e2e973..28f7896 100644
--- a/OpenSim/Region/Framework/Scenes/SceneManager.cs
+++ b/OpenSim/Region/Framework/Scenes/SceneManager.cs
@@ -331,35 +331,30 @@ namespace OpenSim.Region.Framework.Scenes
 
         public void SendCommandToPluginModules(string[] cmdparams)
         {
-            ForEachCurrentScene(delegate(Scene scene) { scene.SendCommandToPlugins(cmdparams); });
+            ForEachSelectedScene(delegate(Scene scene) { scene.SendCommandToPlugins(cmdparams); });
         }
 
         public void SetBypassPermissionsOnCurrentScene(bool bypassPermissions)
         {
-            ForEachCurrentScene(delegate(Scene scene) { scene.Permissions.SetBypassPermissions(bypassPermissions); });
+            ForEachSelectedScene(delegate(Scene scene) { scene.Permissions.SetBypassPermissions(bypassPermissions); });
         }
 
-        private void ForEachCurrentScene(Action<Scene> func)
+        public void ForEachSelectedScene(Action<Scene> func)
         {
             if (CurrentScene == null)
-            {
-                lock (m_localScenes)
-                    m_localScenes.ForEach(func);
-            }
+                ForEachScene(func);
             else
-            {
                 func(CurrentScene);
-            }
         }
 
         public void RestartCurrentScene()
         {
-            ForEachCurrentScene(delegate(Scene scene) { scene.RestartNow(); });
+            ForEachSelectedScene(delegate(Scene scene) { scene.RestartNow(); });
         }
 
         public void BackupCurrentScene()
         {
-            ForEachCurrentScene(delegate(Scene scene) { scene.Backup(true); });
+            ForEachSelectedScene(delegate(Scene scene) { scene.Backup(true); });
         }
 
         public bool TrySetCurrentScene(string regionName)
@@ -482,34 +477,11 @@ namespace OpenSim.Region.Framework.Scenes
             return false;
         }
 
-        /// <summary>
-        /// Set the debug packet level on each current scene.  This level governs which packets are printed out to the
-        /// console.
-        /// </summary>
-        /// <param name="newDebug"></param>
-        /// <param name="name">Name of avatar to debug</param>
-        public void SetDebugPacketLevelOnCurrentScene(int newDebug, string name)
-        {
-            ForEachCurrentScene(scene =>
-                scene.ForEachScenePresence(sp =>
-                {
-                    if (name == null || sp.Name == name)
-                    {
-                        m_log.DebugFormat(
-                            "Packet debug for {0} ({1}) set to {2}",
-                            sp.Name, sp.IsChildAgent ? "child" : "root", newDebug);
-
-                        sp.ControllingClient.DebugPacketLevel = newDebug;
-                    }
-                })
-            );
-        }
-
         public List<ScenePresence> GetCurrentSceneAvatars()
         {
             List<ScenePresence> avatars = new List<ScenePresence>();
 
-            ForEachCurrentScene(
+            ForEachSelectedScene(
                 delegate(Scene scene)
                 {
                     scene.ForEachRootScenePresence(delegate(ScenePresence scenePresence)
@@ -526,7 +498,7 @@ namespace OpenSim.Region.Framework.Scenes
         {
             List<ScenePresence> presences = new List<ScenePresence>();
 
-            ForEachCurrentScene(delegate(Scene scene)
+            ForEachSelectedScene(delegate(Scene scene)
             {
                 scene.ForEachScenePresence(delegate(ScenePresence sp)
                 {
@@ -555,12 +527,12 @@ namespace OpenSim.Region.Framework.Scenes
 
         public void ForceCurrentSceneClientUpdate()
         {
-            ForEachCurrentScene(delegate(Scene scene) { scene.ForceClientUpdate(); });
+            ForEachSelectedScene(delegate(Scene scene) { scene.ForceClientUpdate(); });
         }
 
         public void HandleEditCommandOnCurrentScene(string[] cmdparams)
         {
-            ForEachCurrentScene(delegate(Scene scene) { scene.HandleEditCommand(cmdparams); });
+            ForEachSelectedScene(delegate(Scene scene) { scene.HandleEditCommand(cmdparams); });
         }
 
         public bool TryGetScenePresence(UUID avatarId, out ScenePresence avatar)
diff --git a/OpenSim/Region/Framework/Scenes/SceneObjectGroup.Inventory.cs b/OpenSim/Region/Framework/Scenes/SceneObjectGroup.Inventory.cs
index ddf5da0..81cef5b 100644
--- a/OpenSim/Region/Framework/Scenes/SceneObjectGroup.Inventory.cs
+++ b/OpenSim/Region/Framework/Scenes/SceneObjectGroup.Inventory.cs
@@ -34,6 +34,7 @@ using OpenSim.Framework;
 using OpenSim.Region.Framework.Interfaces;
 using System.Collections.Generic;
 using System.Xml;
+using PermissionMask = OpenSim.Framework.PermissionMask;
 
 namespace OpenSim.Region.Framework.Scenes
 {
@@ -66,6 +67,12 @@ namespace OpenSim.Region.Framework.Scenes
         {
             int scriptsStarted = 0;
 
+            if (m_scene == null)
+            {
+                m_log.DebugFormat("[PRIM INVENTORY]: m_scene is null. Unable to create script instances");
+                return 0;
+            }
+
             // Don't start scripts if they're turned off in the region!
             if (!m_scene.RegionInfo.RegionSettings.DisableScripts)
             {
@@ -258,6 +265,7 @@ namespace OpenSim.Region.Framework.Scenes
             for (int i = 0; i < parts.Length; i++)
             {
                 SceneObjectPart part = parts[i];
+//                m_log.DebugFormat("[SCENE OBJECT GROUP INVENTORY]: Effective perms of {0} are {1}", part.Name, (OpenMetaverse.PermissionMask)part.OwnerMask);
                 ownerMask &= part.OwnerMask;
                 perms &= part.Inventory.MaskEffectivePermissions();
             }
diff --git a/OpenSim/Region/Framework/Scenes/SceneObjectGroup.cs b/OpenSim/Region/Framework/Scenes/SceneObjectGroup.cs
index 15795e5..d08237e 100644
--- a/OpenSim/Region/Framework/Scenes/SceneObjectGroup.cs
+++ b/OpenSim/Region/Framework/Scenes/SceneObjectGroup.cs
@@ -38,8 +38,10 @@ using OpenMetaverse;
 using OpenMetaverse.Packets;
 using OpenSim.Framework;
 using OpenSim.Region.Framework.Interfaces;
-using OpenSim.Region.Physics.Manager;
+using OpenSim.Region.PhysicsModules.SharedBase;
 using OpenSim.Region.Framework.Scenes.Serialization;
+using PermissionMask = OpenSim.Framework.PermissionMask;
+using OpenSim.Services.Interfaces;
 
 namespace OpenSim.Region.Framework.Scenes
 {
@@ -74,6 +76,7 @@ namespace OpenSim.Region.Framework.Scenes
         touch = 8,
         touch_end = 536870912,
         touch_start = 2097152,
+        transaction_result = 33554432,
         object_rez = 4194304
     }
 
@@ -108,6 +111,9 @@ namespace OpenSim.Region.Framework.Scenes
             STATUS_ROTATE_Z = 0x008,
         }
 
+        // This flag has the same purpose as InventoryItemFlags.ObjectSlamPerm
+        public static readonly uint SLAM = 16;
+
         // private PrimCountTaintedDelegate handlerPrimCountTainted = null;
 
         /// <summary>
@@ -145,12 +151,27 @@ namespace OpenSim.Region.Framework.Scenes
 
             get { return m_hasGroupChanged; }
         }
+
+        private bool m_groupContainsForeignPrims = false;
         
         /// <summary>
-        /// Has the group changed due to an unlink operation?  We record this in order to optimize deletion, since
-        /// an unlinked group currently has to be persisted to the database before we can perform an unlink operation.
+        /// Whether the group contains prims that came from a different group. This happens when
+        /// linking or delinking groups. The implication is that until the group is persisted,
+        /// the prims in the database still use the old SceneGroupID. That's a problem if the group
+        /// is deleted, because we delete groups by searching for prims by their SceneGroupID.
         /// </summary>
-        public bool HasGroupChangedDueToDelink { get; private set; }
+        public bool GroupContainsForeignPrims
+        {
+            private set
+            {
+                m_groupContainsForeignPrims = value;
+                if (m_groupContainsForeignPrims)
+                    HasGroupChanged = true;
+            }
+
+            get { return m_groupContainsForeignPrims; }
+        }
+
 
         private bool isTimeToPersist()
         {
@@ -267,7 +288,10 @@ namespace OpenSim.Region.Framework.Scenes
         private Vector3 lastPhysGroupPos;
         private Quaternion lastPhysGroupRot;
 
-        private bool m_isBackedUp;
+        /// <summary>
+        /// Is this entity set to be saved in persistent storage?
+        /// </summary>
+        public bool Backup { get; private set; }
 
         protected MapAndArray<UUID, SceneObjectPart> m_parts = new MapAndArray<UUID, SceneObjectPart>();
 
@@ -329,7 +353,7 @@ namespace OpenSim.Region.Framework.Scenes
         {
             get
             {
-                Vector3 minScale = new Vector3(Constants.RegionSize, Constants.RegionSize, Constants.RegionSize);
+                Vector3 minScale = new Vector3(Constants.MaximumRegionSize, Constants.MaximumRegionSize, Constants.MaximumRegionSize);
                 Vector3 maxScale = Vector3.Zero;
                 Vector3 finalScale = new Vector3(0.5f, 0.5f, 0.5f);
     
@@ -424,9 +448,16 @@ namespace OpenSim.Region.Framework.Scenes
         /// <returns></returns>
         public bool IsAttachmentCheckFull()
         {
-            return (IsAttachment || (m_rootPart.Shape.PCode == 9 && m_rootPart.Shape.State != 0));
+            return (IsAttachment ||
+                (m_rootPart.Shape.PCode == (byte)PCodeEnum.Primitive && m_rootPart.Shape.State != 0));
         }
         
+        private struct avtocrossInfo
+        {
+            public ScenePresence av;
+            public uint ParentID;
+        }
+
         /// <summary>
         /// The absolute position of this scene object in the scene
         /// </summary>
@@ -440,24 +471,140 @@ namespace OpenSim.Region.Framework.Scenes
                 if (Scene != null)
                 {
                     if (
-                        // (Scene.TestBorderCross(val - Vector3.UnitX, Cardinals.E)
-                        //     || Scene.TestBorderCross(val + Vector3.UnitX, Cardinals.W)
-                        //     || Scene.TestBorderCross(val - Vector3.UnitY, Cardinals.N)
-                        //     || Scene.TestBorderCross(val + Vector3.UnitY, Cardinals.S))
-                        // Experimental change for better border crossings.
-                        //    The commented out original lines above would, it seems, trigger
-                        //    a border crossing a little early or late depending on which
-                        //    direction the object was moving.
-                        (Scene.TestBorderCross(val, Cardinals.E)
-                            || Scene.TestBorderCross(val, Cardinals.W)
-                            || Scene.TestBorderCross(val, Cardinals.N)
-                            || Scene.TestBorderCross(val, Cardinals.S))
-                        && !IsAttachmentCheckFull() && (!Scene.LoadingPrims))
+                        !Scene.PositionIsInCurrentRegion(val)
+                                && !IsAttachmentCheckFull()
+                                && (!Scene.LoadingPrims)
+                        )
                     {
-                        m_scene.CrossPrimGroupIntoNewRegion(val, this, true);
+                        IEntityTransferModule entityTransfer = m_scene.RequestModuleInterface<IEntityTransferModule>();
+                        EntityTransferContext ctx = new EntityTransferContext();
+                        Vector3 newpos = Vector3.Zero;
+                        string failureReason = String.Empty;
+                        OpenSim.Services.Interfaces.GridRegion destination = null;
+
+                        if (m_rootPart.KeyframeMotion != null)
+                            m_rootPart.KeyframeMotion.StartCrossingCheck();
+
+                        bool canCross = true;
+                        foreach (ScenePresence av in GetSittingAvatars())
+                        {
+                            // We need to cross these agents. First, let's find
+                            // out if any of them can't cross for some reason.
+                            // We have to deny the crossing entirely if any
+                            // of them are banned. Alternatively, we could
+                            // unsit banned agents....
+
+
+                            // We set the avatar position as being the object
+                            // position to get the region to send to
+                            if ((destination = entityTransfer.GetDestination(m_scene, av.UUID, val, ctx, out newpos, out failureReason)) == null)
+                            {
+                                canCross = false;
+                                break;
+                            }
+
+                            m_log.DebugFormat("[SCENE OBJECT]: Avatar {0} needs to be crossed to {1}", av.Name, destination.RegionName);
+                        }
+
+                        if (canCross)
+                        {
+                            // We unparent the SP quietly so that it won't
+                            // be made to stand up
+
+                            List<avtocrossInfo> avsToCross = new List<avtocrossInfo>();
+
+                            foreach (ScenePresence av in GetSittingAvatars())
+                            {
+                                avtocrossInfo avinfo = new avtocrossInfo();
+                                SceneObjectPart parentPart = m_scene.GetSceneObjectPart(av.ParentID);
+                                if (parentPart != null)
+                                    av.ParentUUID = parentPart.UUID;
+
+                                avinfo.av = av;
+                                avinfo.ParentID = av.ParentID;
+                                avsToCross.Add(avinfo);
+
+                                av.PrevSitOffset = av.OffsetPosition;
+                                av.ParentID = 0;
+                            }
+
+                            m_scene.CrossPrimGroupIntoNewRegion(val, this, true);
+
+                            // Normalize
+                            if (val.X >= m_scene.RegionInfo.RegionSizeX)
+                                val.X -= m_scene.RegionInfo.RegionSizeX;
+                            if (val.Y >= m_scene.RegionInfo.RegionSizeY)
+                                val.Y -= m_scene.RegionInfo.RegionSizeY;
+                            if (val.X < 0)
+                                val.X += m_scene.RegionInfo.RegionSizeX;
+                            if (val.Y < 0)
+                                val.Y += m_scene.RegionInfo.RegionSizeY;
+
+                            // If it's deleted, crossing was successful
+                            if (IsDeleted)
+                            {
+                                foreach (avtocrossInfo avinfo in avsToCross)
+                                {
+                                    ScenePresence av = avinfo.av;
+                                    if (!av.IsInTransit) // just in case...
+                                    {
+                                        m_log.DebugFormat("[SCENE OBJECT]: Crossing avatar {0} to {1}", av.Name, val);
+
+                                        av.IsInTransit = true;
+
+                                        // A temporary measure to allow regression tests to work.
+                                        // Quite possibly, all BeginInvoke() calls should be replaced by Util.FireAndForget
+                                        // or similar since BeginInvoke() always uses the system threadpool to launch
+                                        // threads rather than any replace threadpool that we might be using.
+                                        if (Util.FireAndForgetMethod == FireAndForgetMethod.RegressionTest)
+                                        { 
+                                            entityTransfer.CrossAgentToNewRegionAsync(av, val, destination, av.Flying, ctx);
+                                            CrossAgentToNewRegionCompleted(av);
+                                        }
+                                        else
+                                        {
+                                            CrossAgentToNewRegionDelegate d = entityTransfer.CrossAgentToNewRegionAsync;
+                                            d.BeginInvoke(
+                                                av, val, destination, av.Flying, ctx, 
+                                                ar => CrossAgentToNewRegionCompleted(d.EndInvoke(ar)), null);
+                                        }
+                                    }
+                                    else
+                                    {
+                                        m_log.DebugFormat("[SCENE OBJECT]: Not crossing avatar {0} to {1} because it's already in transit", av.Name, val);
+                                    }
+                                }
+
+                                return;
+                            }
+                            else // cross failed, put avas back ??
+                            {
+                                foreach (avtocrossInfo avinfo in avsToCross)
+                                {
+                                    ScenePresence av = avinfo.av;
+                                    av.ParentUUID = UUID.Zero;
+                                    av.ParentID = avinfo.ParentID;
+                                }
+                            }
+                        }
+                        else
+                        {
+                            if (m_rootPart.KeyframeMotion != null)
+                                m_rootPart.KeyframeMotion.CrossingFailure();
+
+                            if (RootPart.PhysActor != null)
+                            {
+                                RootPart.PhysActor.CrossingFailure();
+                            }
+                        }
+
+                        Vector3 oldp = AbsolutePosition;
+                        val.X = Util.Clamp<float>(oldp.X, 0.5f, (float)m_scene.RegionInfo.RegionSizeX - 0.5f);
+                        val.Y = Util.Clamp<float>(oldp.Y, 0.5f, (float)m_scene.RegionInfo.RegionSizeY - 0.5f);
+                        val.Z = Util.Clamp<float>(oldp.Z, 0.5f, Constants.RegionHeight);
                     }
                 }
-                
+
                 if (RootPart.GetStatusSandbox())
                 {
                     if (Util.GetDistanceTo(RootPart.StatusSandboxPos, value) > 10)
@@ -491,6 +638,36 @@ namespace OpenSim.Region.Framework.Scenes
             }
         }
 
+        public override Vector3 Velocity
+        {
+            get { return RootPart.Velocity; }
+            set { RootPart.Velocity = value; }
+        }
+
+        private void CrossAgentToNewRegionCompleted(ScenePresence agent)
+        {
+            //// If the cross was successful, this agent is a child agent
+            if (agent.IsChildAgent)
+            {
+                if (agent.ParentUUID != UUID.Zero)
+                {
+                    agent.ParentPart = null;
+//                    agent.ParentPosition = Vector3.Zero;
+//                    agent.ParentUUID = UUID.Zero;
+                }
+            }
+
+            agent.ParentUUID = UUID.Zero;
+//                agent.Reset();
+//            else // Not successful
+//                agent.RestoreInCurrentScene();
+
+            // In any case
+            agent.IsInTransit = false;
+
+            m_log.DebugFormat("[SCENE OBJECT]: Crossing agent {0} {1} completed.", agent.Firstname, agent.Lastname);
+        }
+
         public override uint LocalId
         {
             get { return m_rootPart.LocalId; }
@@ -548,7 +725,11 @@ namespace OpenSim.Region.Framework.Scenes
             set { m_rootPart.Text = value; }
         }
 
-        protected virtual bool InSceneBackup
+        /// <summary>
+        /// If set to true then the scene object can be backed up in principle, though this will only actually occur
+        /// if Backup is set.  If false then the scene object will never be backed up, Backup will always be false.
+        /// </summary>
+        protected virtual bool CanBeBackedUp
         {
             get { return true; }
         }
@@ -577,6 +758,8 @@ namespace OpenSim.Region.Framework.Scenes
                             childPa.Selected = value;
                     }
                 }
+                if (RootPart.KeyframeMotion != null)
+                    RootPart.KeyframeMotion.Selected = value;
             }
         }
 
@@ -648,6 +831,12 @@ namespace OpenSim.Region.Framework.Scenes
         public UUID FromFolderID { get; set; }
 
         /// <summary>
+        /// If true then grabs are blocked no matter what the individual part BlockGrab setting.
+        /// </summary>
+        /// <value><c>true</c> if block grab override; otherwise, <c>false</c>.</value>
+        public bool BlockGrabOverride { get; set; }
+
+        /// <summary>
         /// IDs of all avatars sat on this scene object.
         /// </summary>
         /// <remarks>
@@ -657,7 +846,7 @@ namespace OpenSim.Region.Framework.Scenes
         /// No avatar should appear more than once in this list.
         /// Do not manipulate this list directly - use the Add/Remove sitting avatar methods on SceneObjectPart.
         /// </remarks>
-        protected internal List<UUID> m_sittingAvatars = new List<UUID>();
+        protected internal List<ScenePresence> m_sittingAvatars = new List<ScenePresence>();
 
         #endregion
 
@@ -722,20 +911,60 @@ namespace OpenSim.Region.Framework.Scenes
             }
         }
 
+        public void LoadScriptState(XmlReader reader)
+        {
+//            m_log.DebugFormat("[SCENE OBJECT GROUP]: Looking for script state for {0}", Name);
+
+            while (true)
+            {
+                if (reader.Name == "SavedScriptState" && reader.NodeType == XmlNodeType.Element)
+                {
+//                    m_log.DebugFormat("[SCENE OBJECT GROUP]: Loading script state for {0}", Name);
+
+                    if (m_savedScriptState == null)
+                        m_savedScriptState = new Dictionary<UUID, string>();
+
+                    string uuid = reader.GetAttribute("UUID");
+
+                    // Even if there is no UUID attribute for some strange reason, we must always read the inner XML
+                    // so we don't continually keep checking the same SavedScriptedState element.
+                    string innerXml = reader.ReadInnerXml();
+
+                    if (uuid != null)
+                    {
+//                        m_log.DebugFormat("[SCENE OBJECT GROUP]: Found state for item ID {0} in object {1}", uuid, Name);
+
+                        UUID itemid = new UUID(uuid);
+                        if (itemid != UUID.Zero)
+                            m_savedScriptState[itemid] = innerXml;
+                    }
+                    else
+                    {
+                        m_log.WarnFormat("[SCENE OBJECT GROUP]: SavedScriptState element had no UUID in object {0}", Name);
+                    }
+                }
+                else
+                {
+                    if (!reader.Read())
+                        break;
+                }
+            }
+        }
+
         /// <summary>
         /// Hooks this object up to the backup event so that it is persisted to the database when the update thread executes.
         /// </summary>
         public virtual void AttachToBackup()
         {
-            if (InSceneBackup)
+            if (CanBeBackedUp)
             {
-                //m_log.DebugFormat(
-                //    "[SCENE OBJECT GROUP]: Attaching object {0} {1} to scene presistence sweep", Name, UUID);
+//                m_log.DebugFormat(
+//                    "[SCENE OBJECT GROUP]: Attaching object {0} {1} to scene presistence sweep", Name, UUID);
 
-                if (!m_isBackedUp)
+                if (!Backup)
                     m_scene.EventManager.OnBackup += ProcessBackup;
                 
-                m_isBackedUp = true;
+                Backup = true;
             }
         }
         
@@ -757,6 +986,11 @@ namespace OpenSim.Region.Framework.Scenes
             for (int i = 0; i < parts.Length; i++)
             {
                 SceneObjectPart part = parts[i];
+                if (part.KeyframeMotion != null)
+                {
+                    part.KeyframeMotion.UpdateSceneObject(this);
+                }
+
                 if (Object.ReferenceEquals(part, m_rootPart))
                     continue;
 
@@ -831,9 +1065,9 @@ namespace OpenSim.Region.Framework.Scenes
             maxX = -256f;
             maxY = -256f;
             maxZ = -256f;
-            minX = 256f;
-            minY = 256f;
-            minZ = 8192f;
+            minX = 10000f;
+            minY = 10000f;
+            minZ = 10000f;
 
             SceneObjectPart[] parts = m_parts.GetArray();
             for (int i = 0; i < parts.Length; i++)
@@ -1085,6 +1319,7 @@ namespace OpenSim.Region.Framework.Scenes
             }
         }
 
+
         /// <summary>
         ///
         /// </summary>
@@ -1220,11 +1455,11 @@ namespace OpenSim.Region.Framework.Scenes
         /// <summary>
         /// Delete this group from its scene.
         /// </summary>
-        /// 
+        /// <remarks>
         /// This only handles the in-world consequences of deletion (e.g. any avatars sitting on it are forcibly stood
         /// up and all avatars receive notification of its removal.  Removal of the scene object from database backup
         /// must be handled by the caller.
-        /// 
+        /// </remarks>
         /// <param name="silent">If true then deletion is not broadcast to clients</param>
         public void DeleteGroupFromScene(bool silent)
         {
@@ -1233,10 +1468,10 @@ namespace OpenSim.Region.Framework.Scenes
             {
                 SceneObjectPart part = parts[i];
 
-                Scene.ForEachRootScenePresence(delegate(ScenePresence avatar)
+                Scene.ForEachScenePresence(sp =>
                 {
-                    if (avatar.ParentID == LocalId)
-                        avatar.StandUp();
+                    if (!sp.IsChildAgent && sp.ParentID == part.LocalId)
+                        sp.StandUp();
 
                     if (!silent)
                     {
@@ -1244,9 +1479,9 @@ namespace OpenSim.Region.Framework.Scenes
                         if (part == m_rootPart)
                         {
                             if (!IsAttachment
-                                || AttachedAvatar == avatar.ControllingClient.AgentId
+                                || AttachedAvatar == sp.UUID
                                 || !HasPrivateAttachmentPoint)
-                                avatar.ControllingClient.SendKillObject(m_regionHandle, new List<uint> { part.LocalId });
+                                sp.ControllingClient.SendKillObject(new List<uint> { part.LocalId });
                         }
                     }
                 });
@@ -1359,7 +1594,7 @@ namespace OpenSim.Region.Framework.Scenes
         /// <param name="datastore"></param>
         public virtual void ProcessBackup(ISimulationDataService datastore, bool forcedBackup)
         {
-            if (!m_isBackedUp)
+            if (!Backup)
             {
 //                m_log.DebugFormat(
 //                    "[WATER WARS]: Ignoring backup of {0} {1} since object is not marked to be backed up", Name, UUID);
@@ -1421,7 +1656,7 @@ namespace OpenSim.Region.Framework.Scenes
                         backup_group.RootPart.AngularVelocity = RootPart.AngularVelocity;
                         backup_group.RootPart.ParticleSystem = RootPart.ParticleSystem;
                         HasGroupChanged = false;
-                        HasGroupChangedDueToDelink = false;
+                        GroupContainsForeignPrims = false;
 
                         m_scene.EventManager.TriggerOnSceneObjectPreSave(backup_group, this);
                         datastore.StoreObject(backup_group, m_scene.RegionInfo.RegionID);
@@ -1480,31 +1715,14 @@ namespace OpenSim.Region.Framework.Scenes
         /// <returns></returns>
         public SceneObjectGroup Copy(bool userExposed)
         {
+            // FIXME: This is dangerous since it's easy to forget to reset some references when necessary and end up 
+            // with bugs that only occur in some circumstances (e.g. crossing between regions on the same simulator
+            // but not between regions on different simulators).  Really, all copying should be done explicitly.
             SceneObjectGroup dupe = (SceneObjectGroup)MemberwiseClone();
-            dupe.m_isBackedUp = false;
-            dupe.m_parts = new MapAndArray<OpenMetaverse.UUID, SceneObjectPart>();
-
-            // Warning, The following code related to previousAttachmentStatus is needed so that clones of 
-            // attachments do not bordercross while they're being duplicated.  This is hacktastic!
-            // Normally, setting AbsolutePosition will bordercross a prim if it's outside the region!
-            // unless IsAttachment is true!, so to prevent border crossing, we save it's attachment state 
-            // (which should be false anyway) set it as an Attachment and then set it's Absolute Position, 
-            // then restore it's attachment state
-
-            // This is only necessary when userExposed is false!
-
-            bool previousAttachmentStatus = dupe.IsAttachment;
-            
-            if (!userExposed)
-                dupe.IsAttachment = true;
-
-            dupe.AbsolutePosition = new Vector3(AbsolutePosition.X, AbsolutePosition.Y, AbsolutePosition.Z);
-
-            if (!userExposed)
-            {
-                dupe.IsAttachment = previousAttachmentStatus;
-            }
 
+            dupe.Backup = false;
+            dupe.m_parts = new MapAndArray<OpenMetaverse.UUID, SceneObjectPart>();
+            dupe.m_sittingAvatars = new List<ScenePresence>();
             dupe.CopyRootPart(m_rootPart, OwnerID, GroupID, userExposed);
             dupe.m_rootPart.LinkNum = m_rootPart.LinkNum;
 
@@ -1550,6 +1768,8 @@ namespace OpenSim.Region.Framework.Scenes
     
                     newPart.DoPhysicsPropertyUpdate(originalPartPa.IsPhysical, true);
                 }
+                if (part.KeyframeMotion != null)
+                    newPart.KeyframeMotion = part.KeyframeMotion.Copy(dupe);
             }
             
             if (userExposed)
@@ -1577,6 +1797,12 @@ namespace OpenSim.Region.Framework.Scenes
 
         public void ScriptSetPhysicsStatus(bool usePhysics)
         {
+            if (usePhysics)
+            {
+                if (RootPart.KeyframeMotion != null)
+                    RootPart.KeyframeMotion.Stop();
+                RootPart.KeyframeMotion = null;
+            }
             UpdatePrimFlags(RootPart.LocalId, usePhysics, IsTemporary, IsPhantom, IsVolumeDetect);
         }
 
@@ -1674,15 +1900,14 @@ namespace OpenSim.Region.Framework.Scenes
             return Vector3.Zero;
         }
 
-        public void moveToTarget(Vector3 target, float tau)
+        public void MoveToTarget(Vector3 target, float tau)
         {
             if (IsAttachment)
             {
                 ScenePresence avatar = m_scene.GetScenePresence(AttachedAvatar);
+
                 if (avatar != null)
-                {
                     avatar.MoveToTarget(target, false, false);
-                }
             }
             else
             {
@@ -1697,12 +1922,26 @@ namespace OpenSim.Region.Framework.Scenes
             }
         }
 
-        public void stopMoveToTarget()
+        public void StopMoveToTarget()
         {
-            PhysicsActor pa = RootPart.PhysActor;
+            if (IsAttachment)
+            {
+                ScenePresence avatar = m_scene.GetScenePresence(AttachedAvatar);
 
-            if (pa != null)
-                pa.PIDActive = false;
+                if (avatar != null)
+                    avatar.ResetMoveToTarget();
+            }
+            else
+            {
+                PhysicsActor pa = RootPart.PhysActor;
+
+                if (pa != null && pa.PIDActive)
+                {
+                    pa.PIDActive = false;
+                    
+                    ScheduleGroupForTerseUpdate();
+                }
+            }
         }
         
         /// <summary>
@@ -2175,7 +2414,9 @@ namespace OpenSim.Region.Framework.Scenes
 //            objectGroup.m_rootPart = null;
 
             // If linking prims with different permissions, fix them
-            AdjustChildPrimPermissions();
+            AdjustChildPrimPermissions(false);
+
+            GroupContainsForeignPrims = true;
 
             AttachToBackup();
 
@@ -2320,9 +2561,16 @@ namespace OpenSim.Region.Framework.Scenes
 
             linkPart.Rezzed = RootPart.Rezzed;
 
-            // When we delete a group, we currently have to force persist to the database if the object id has changed
-            // (since delete works by deleting all rows which have a given object id)
-            objectGroup.HasGroupChangedDueToDelink = true;
+            // We must persist the delinked group to the database immediately, for safety. The problem
+            // is that although in memory the new group has a new SceneGroupID, in the database it
+            // still has the parent group's SceneGroupID (until the next backup). This means that if the
+            // parent group is deleted then the delinked group will also be deleted from the database.
+            // This problem will disappear if the region remains alive long enough for another backup,
+            // since at that time the delinked group's new SceneGroupID will be written to the database.
+            // But if the region crashes before that then the prims will be permanently gone, and this must
+            // not happen. (We can't use a just-in-time trick like GroupContainsForeignPrims in this case
+            // because the delinked group doesn't know when the source group is deleted.)
+            m_scene.ForceSceneObjectBackup(objectGroup);
 
             return objectGroup;
         }
@@ -2333,10 +2581,10 @@ namespace OpenSim.Region.Framework.Scenes
         /// <param name="objectGroup"></param>
         public virtual void DetachFromBackup()
         {
-            if (m_isBackedUp && Scene != null)
+            if (Backup && Scene != null)
                 m_scene.EventManager.OnBackup -= ProcessBackup;
             
-            m_isBackedUp = false;
+            Backup = false;
         }
 
         // This links an SOP from a previous linkset into my linkset.
@@ -2396,20 +2644,26 @@ namespace OpenSim.Region.Framework.Scenes
         /// If object is physical, apply force to move it around
         /// If object is not physical, just put it at the resulting location
         /// </summary>
+        /// <param name="partID">Part ID to check for grab</param>
         /// <param name="offset">Always seems to be 0,0,0, so ignoring</param>
         /// <param name="pos">New position.  We do the math here to turn it into a force</param>
         /// <param name="remoteClient"></param>
-        public void GrabMovement(Vector3 offset, Vector3 pos, IClientAPI remoteClient)
+        public void GrabMovement(UUID partID, Vector3 offset, Vector3 pos, IClientAPI remoteClient)
         {
             if (m_scene.EventManager.TriggerGroupMove(UUID, pos))
             {
+                SceneObjectPart part = GetPart(partID);
+
+                if (part == null)
+                    return;
+
                 PhysicsActor pa = m_rootPart.PhysActor;
 
                 if (pa != null)
                 {
                     if (pa.IsPhysical)
                     {
-                        if (!m_rootPart.BlockGrab)
+                        if (!BlockGrabOverride && !part.BlockGrab)
                         {
                             Vector3 llmoveforce = pos - AbsolutePosition;
                             Vector3 grabforce = llmoveforce;
@@ -2420,20 +2674,27 @@ namespace OpenSim.Region.Framework.Scenes
                     }
                     else
                     {
-                        //NonPhysicalGrabMovement(pos);
+                        NonPhysicalGrabMovement(pos);
                     }
                 }
                 else
                 {
-                    //NonPhysicalGrabMovement(pos);
+                    NonPhysicalGrabMovement(pos);
                 }
             }
         }
 
+        /// <summary>
+        /// Apply possition for grabbing non-physical linksets (Ctrl+Drag)
+        /// This MUST be blocked for linksets that contain touch scripts because the viewer triggers grab on the touch
+        /// event (Viewer Bug?) This would allow anyone to drag a linkset with a touch script. SL behaviour is also to
+        /// block grab on prims with touch events.
+        /// </summary>
+        /// <param name="pos">New Position</param>
         public void NonPhysicalGrabMovement(Vector3 pos)
         {
-            AbsolutePosition = pos;
-            m_rootPart.SendTerseUpdateToAllClients();
+            if(!IsAttachment && ScriptCount() == 0)
+                UpdateGroupPosition(pos);
         }
 
         /// <summary>
@@ -2529,17 +2790,28 @@ namespace OpenSim.Region.Framework.Scenes
                     }
                     else
                     {
-                        //NonPhysicalSpinMovement(pos);
+                        NonPhysicalSpinMovement(newOrientation);
                     }
                 }
                 else
                 {
-                    //NonPhysicalSpinMovement(pos);
+                    NonPhysicalSpinMovement(newOrientation);
                 }
             }
         }
 
         /// <summary>
+        /// Apply rotation for spinning non-physical linksets (Ctrl+Shift+Drag)
+        /// As with dragging, scripted objects must be blocked from spinning
+        /// </summary>
+        /// <param name="newOrientation">New Rotation</param>
+        private void NonPhysicalSpinMovement(Quaternion newOrientation)
+        {
+            if(!IsAttachment && ScriptCount() == 0)
+                UpdateGroupRotationR(newOrientation);
+        }
+
+        /// <summary>
         /// Set the name of a prim
         /// </summary>
         /// <param name="name"></param>
@@ -2612,12 +2884,22 @@ namespace OpenSim.Region.Framework.Scenes
         {
             SceneObjectPart selectionPart = GetPart(localID);
 
-            if (SetTemporary && Scene != null)
+            if (Scene != null)
             {
-                DetachFromBackup();
-                // Remove from database and parcel prim count
-                //
-                m_scene.DeleteFromStorage(UUID);
+                if (SetTemporary)
+                {
+                    DetachFromBackup();
+                    // Remove from database and parcel prim count
+                    //
+                    m_scene.DeleteFromStorage(UUID);
+                }
+                else if (!Backup)
+                {
+                    // Previously been temporary now switching back so make it
+                    // available for persisting again
+                    AttachToBackup();
+                }
+
                 m_scene.EventManager.TriggerParcelPrimCountTainted();
             }
 
@@ -2668,13 +2950,29 @@ namespace OpenSim.Region.Framework.Scenes
             }
         }
 
-        public void AdjustChildPrimPermissions()
+        public void AdjustChildPrimPermissions(bool forceTaskInventoryPermissive)
         {
+            uint newOwnerMask = (uint)(PermissionMask.All | PermissionMask.Export) & 0xfffffff8; // Mask folded bits
+            uint foldedPerms = RootPart.OwnerMask & 3;
+
             ForEachPart(part =>
             {
+                newOwnerMask &= part.BaseMask;
                 if (part != RootPart)
                     part.ClonePermissions(RootPart);
+                if (forceTaskInventoryPermissive)
+                    part.Inventory.ApplyGodPermissions(part.BaseMask);
             });
+
+            uint lockMask = ~(uint)(PermissionMask.Move | PermissionMask.Modify);
+            uint lockBit = RootPart.OwnerMask & (uint)(PermissionMask.Move | PermissionMask.Modify);
+            RootPart.OwnerMask = (RootPart.OwnerMask & lockBit) | ((newOwnerMask | foldedPerms) & lockMask);
+
+//            m_log.DebugFormat(
+//                "[SCENE OBJECT GROUP]: RootPart.OwnerMask now {0} for {1} in {2}", 
+//                (OpenMetaverse.PermissionMask)RootPart.OwnerMask, Name, Scene.Name);
+
+            RootPart.ScheduleFullUpdate();
         }
 
         public void UpdatePermissions(UUID AgentID, byte field, uint localID,
@@ -2682,7 +2980,7 @@ namespace OpenSim.Region.Framework.Scenes
         {
             RootPart.UpdatePermissions(AgentID, field, localID, mask, addRemTF);
 
-            AdjustChildPrimPermissions();
+            AdjustChildPrimPermissions(Scene.Permissions.IsGod(AgentID));
 
             HasGroupChanged = true;
 
@@ -3000,8 +3298,8 @@ namespace OpenSim.Region.Framework.Scenes
         /// <summary>
         /// Update just the root prim position in a linkset
         /// </summary>
-        /// <param name="pos"></param>
-        public void UpdateRootPosition(Vector3 pos)
+        /// <param name="newPos"></param>
+        public void UpdateRootPosition(Vector3 newPos)
         {
 //            m_log.DebugFormat(
 //                "[SCENE OBJECT GROUP]: Updating root position of {0} {1} to {2}", Name, LocalId, pos);
@@ -3010,16 +3308,16 @@ namespace OpenSim.Region.Framework.Scenes
 //            for (int i = 0; i < parts.Length; i++)
 //                parts[i].StoreUndoState();
 
-            Vector3 newPos = new Vector3(pos.X, pos.Y, pos.Z);
-            Vector3 oldPos =
-                new Vector3(AbsolutePosition.X + m_rootPart.OffsetPosition.X,
-                              AbsolutePosition.Y + m_rootPart.OffsetPosition.Y,
-                              AbsolutePosition.Z + m_rootPart.OffsetPosition.Z);
+            Vector3 oldPos;
+
+            if (IsAttachment)
+                oldPos = m_rootPart.AttachedPos + m_rootPart.OffsetPosition;  // OffsetPosition should always be 0 in an attachments's root prim
+            else
+                oldPos = AbsolutePosition + m_rootPart.OffsetPosition;
+
             Vector3 diff = oldPos - newPos;
-            Vector3 axDiff = new Vector3(diff.X, diff.Y, diff.Z);
             Quaternion partRotation = m_rootPart.RotationOffset;
-            axDiff *= Quaternion.Inverse(partRotation);
-            diff = axDiff;
+            diff *= Quaternion.Inverse(partRotation);
 
             SceneObjectPart[] parts = m_parts.GetArray();
             for (int i = 0; i < parts.Length; i++)
@@ -3030,6 +3328,9 @@ namespace OpenSim.Region.Framework.Scenes
             }
 
             AbsolutePosition = newPos;
+            
+            if (IsAttachment)
+                m_rootPart.AttachedPos = newPos;
 
             HasGroupChanged = true;
             ScheduleGroupForTerseUpdate();
@@ -3583,10 +3884,10 @@ namespace OpenSim.Region.Framework.Scenes
         /// down after it move one place down the list.
         /// </remarks>
         /// <returns>A list of the sitting avatars.  Returns an empty list if there are no sitting avatars.</returns>
-        public List<UUID> GetSittingAvatars()
+        public List<ScenePresence> GetSittingAvatars()
         {
             lock (m_sittingAvatars)
-                return new List<UUID>(m_sittingAvatars);
+                return new List<ScenePresence>(m_sittingAvatars);
         }
 
         /// <summary>
diff --git a/OpenSim/Region/Framework/Scenes/SceneObjectPart.cs b/OpenSim/Region/Framework/Scenes/SceneObjectPart.cs
index 44e8fdf..d1c5f72 100644
--- a/OpenSim/Region/Framework/Scenes/SceneObjectPart.cs
+++ b/OpenSim/Region/Framework/Scenes/SceneObjectPart.cs
@@ -37,11 +37,13 @@ using System.Xml.Serialization;
 using log4net;
 using OpenMetaverse;
 using OpenMetaverse.Packets;
+using OpenMetaverse.StructuredData;
 using OpenSim.Framework;
 using OpenSim.Region.Framework.Interfaces;
 using OpenSim.Region.Framework.Scenes.Scripting;
 using OpenSim.Region.Framework.Scenes.Serialization;
-using OpenSim.Region.Physics.Manager;
+using OpenSim.Region.PhysicsModules.SharedBase;
+using PermissionMask = OpenSim.Framework.PermissionMask;
 
 namespace OpenSim.Region.Framework.Scenes
 {
@@ -115,7 +117,7 @@ namespace OpenSim.Region.Framework.Scenes
 
     #endregion Enumerations
 
-    public class SceneObjectPart : IScriptHost, ISceneEntity
+    public class SceneObjectPart : ISceneEntity
     {
         /// <value>
         /// Denote all sides of the prim
@@ -124,6 +126,32 @@ namespace OpenSim.Region.Framework.Scenes
         
         private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
 
+        /// <summary>
+        /// Dynamic attributes can be created and deleted as required.
+        /// </summary>
+        public DAMap DynAttrs { get; set; }
+
+        private DOMap m_dynObjs;
+
+        /// <summary>
+        /// Dynamic objects that can be created and deleted as required.
+        /// </summary>
+        public DOMap DynObjs 
+        { 
+            get
+            {
+                if (m_dynObjs == null)
+                    m_dynObjs = new DOMap();
+
+                return m_dynObjs;
+            }
+
+            set
+            {
+                m_dynObjs = value;
+            }
+        }
+        
         /// <value>
         /// Is this a root part?
         /// </value>
@@ -158,7 +186,7 @@ namespace OpenSim.Region.Framework.Scenes
         
         public bool RETURN_AT_EDGE;
         
-        public bool BlockGrab;
+        public bool BlockGrab { get; set; }
 
         public bool StatusSandbox;
 
@@ -191,6 +219,14 @@ namespace OpenSim.Region.Framework.Scenes
 
         public double SoundRadius;
 
+        /// <summary>
+        /// Should sounds played from this prim be queued?
+        /// </summary>
+        /// <remarks>
+        /// This should only be changed by sound modules.  It is up to sound modules as to how they interpret this setting.
+        /// </remarks>
+        public bool SoundQueueing { get; set; }
+
         public uint TimeStampFull;
 
         public uint TimeStampLastActivity; // Will be used for AutoReturn
@@ -230,7 +266,7 @@ namespace OpenSim.Region.Framework.Scenes
 
         public Quaternion SpinOldOrientation = Quaternion.Identity;
 
-        protected int m_APIDIterations = 0;
+        protected bool m_APIDActive = false;
         protected Quaternion m_APIDTarget = Quaternion.Identity;
         protected float m_APIDDamp = 0;
         protected float m_APIDStrength = 0;
@@ -296,6 +332,12 @@ namespace OpenSim.Region.Framework.Scenes
         protected Vector3 m_lastAcceleration;
         protected Vector3 m_lastAngularVelocity;
         protected int m_lastTerseSent;
+
+        protected byte m_physicsShapeType = (byte)PhysShapeType.prim;
+        protected float m_density = 1000.0f; // in kg/m^3
+        protected float m_gravitymod = 1.0f;
+        protected float m_friction = 0.6f; // wood
+        protected float m_bounce = 0.5f; // wood
         
         /// <summary>
         /// Stores media texture data
@@ -312,6 +354,11 @@ namespace OpenSim.Region.Framework.Scenes
         private UUID m_collisionSound;
         private float m_collisionSoundVolume;
 
+        public KeyframeMotion KeyframeMotion
+        {
+            get; set;
+        }
+
         #endregion Fields
 
 //        ~SceneObjectPart()
@@ -335,6 +382,7 @@ namespace OpenSim.Region.Framework.Scenes
             m_particleSystem = Utils.EmptyBytes;
             Rezzed = DateTime.UtcNow;
             Description = String.Empty;
+            DynAttrs = new DAMap();
 
             // Prims currently only contain a single folder (Contents).  From looking at the Second Life protocol,
             // this appears to have the same UUID (!) as the prim.  If this isn't the case, one can't drag items from
@@ -389,8 +437,8 @@ namespace OpenSim.Region.Framework.Scenes
         private uint _category;
         private Int32 _creationDate;
         private uint _parentID = 0;
-        private uint _baseMask = (uint)PermissionMask.All;
-        private uint _ownerMask = (uint)PermissionMask.All;
+        private uint _baseMask = (uint)(PermissionMask.All | PermissionMask.Export);
+        private uint _ownerMask = (uint)(PermissionMask.All | PermissionMask.Export);
         private uint _groupMask = (uint)PermissionMask.None;
         private uint _everyoneMask = (uint)PermissionMask.None;
         private uint _nextOwnerMask = (uint)PermissionMask.All;
@@ -425,7 +473,7 @@ namespace OpenSim.Region.Framework.Scenes
         {
             get
             {
-                if (CreatorData != null && CreatorData != string.Empty)
+                if (!string.IsNullOrEmpty(CreatorData))
                     return CreatorID.ToString() + ';' + CreatorData;
                 else
                     return CreatorID.ToString();
@@ -455,7 +503,11 @@ namespace OpenSim.Region.Framework.Scenes
                         CreatorID = uuid;
                     }
                     if (parts.Length >= 2)
+                    {
                         CreatorData = parts[1];
+                        if (!CreatorData.EndsWith("/"))
+                            CreatorData += "/";
+                    }
                     if (parts.Length >= 3)
                         name = parts[2];
 
@@ -590,6 +642,12 @@ namespace OpenSim.Region.Framework.Scenes
             }
         }
 
+        protected bool APIDActive
+        {
+            get { return m_APIDActive; }
+            set { m_APIDActive = value; }
+        }
+
         protected Quaternion APIDTarget
         {
             get { return m_APIDTarget; }
@@ -729,23 +787,14 @@ namespace OpenSim.Region.Framework.Scenes
                         }
 
                         // Tell the physics engines that this prim changed.
-                        ParentGroup.Scene.PhysicsScene.AddPhysicsActorTaint(actor);
+                        if (ParentGroup != null && ParentGroup.Scene != null && ParentGroup.Scene.PhysicsScene != null)
+                            ParentGroup.Scene.PhysicsScene.AddPhysicsActorTaint(actor);
                     }
                     catch (Exception e)
                     {
                         m_log.ErrorFormat("[SCENEOBJECTPART]: GROUP POSITION. {0}", e);
                     }
                 }
-                
-                // TODO if we decide to do sitting in a more SL compatible way (multiple avatars per prim), this has to be fixed, too
-                if (SitTargetAvatar != UUID.Zero)
-                {
-                    ScenePresence avatar;
-                    if (ParentGroup.Scene.TryGetScenePresence(SitTargetAvatar, out avatar))
-                    {
-                        avatar.ParentPosition = GetWorldPosition();
-                    }
-                }
             }
         }
 
@@ -842,7 +891,7 @@ namespace OpenSim.Region.Framework.Scenes
                             //m_log.Info("[PART]: RO2:" + actor.Orientation.ToString());
                         }
 
-                        if (ParentGroup != null)
+                        if (ParentGroup != null && ParentGroup.Scene != null && ParentGroup.Scene.PhysicsScene != null)
                             ParentGroup.Scene.PhysicsScene.AddPhysicsActorTaint(actor);
                         //}
                     }
@@ -880,14 +929,17 @@ namespace OpenSim.Region.Framework.Scenes
 
             set
             {
-                m_velocity = value;
+                if (Util.IsNanOrInfinity(value))
+                    m_velocity = Vector3.Zero;
+                else
+                    m_velocity = value;
 
                 PhysicsActor actor = PhysActor;
                 if (actor != null)
                 {
                     if (actor.IsPhysical)
                     {
-                        actor.Velocity = value;
+                        actor.Velocity = m_velocity;
                         ParentGroup.Scene.PhysicsScene.AddPhysicsActorTaint(actor);
                     }
                 }
@@ -914,14 +966,30 @@ namespace OpenSim.Region.Framework.Scenes
                 }
                 return m_angularVelocity;
             }
-            set { m_angularVelocity = value; }
+            set
+            {
+                if (Util.IsNanOrInfinity(value))
+                    m_angularVelocity = Vector3.Zero;
+                else
+                    m_angularVelocity = value;
+
+                PhysicsActor actor = PhysActor;
+                if ((actor != null) && actor.IsPhysical)
+                    actor.RotationalVelocity = m_angularVelocity;
+            }
         }
 
         /// <summary></summary>
         public Vector3 Acceleration
         {
             get { return m_acceleration; }
-            set { m_acceleration = value; }
+            set 
+            {
+                if (Util.IsNanOrInfinity(value))
+                    m_acceleration = Vector3.Zero;
+                else
+                    m_acceleration = value;
+            }
         }
 
         public string Description { get; set; }
@@ -1028,6 +1096,7 @@ namespace OpenSim.Region.Framework.Scenes
         }
 
         public UpdateRequired UpdateFlag { get; set; }
+        public bool UpdatePhysRequired { get; set; }
         
         /// <summary>
         /// Used for media on a prim.
@@ -1110,23 +1179,14 @@ namespace OpenSim.Region.Framework.Scenes
         // the mappings more consistant.
         public Vector3 SitTargetPositionLL
         {
-            get { return new Vector3(m_sitTargetPosition.X, m_sitTargetPosition.Y,m_sitTargetPosition.Z); }
+            get { return m_sitTargetPosition; }
             set { m_sitTargetPosition = value; }
         }
 
         public Quaternion SitTargetOrientationLL
         {
-            get
-            {
-                return new Quaternion(
-                                        m_sitTargetOrientation.X,
-                                        m_sitTargetOrientation.Y,
-                                        m_sitTargetOrientation.Z,
-                                        m_sitTargetOrientation.W
-                                        );
-            }
-
-            set { m_sitTargetOrientation = new Quaternion(value.X, value.Y, value.Z, value.W); }
+            get { return m_sitTargetOrientation; }
+            set { m_sitTargetOrientation = value; }
         }
 
         public bool Stopped
@@ -1264,7 +1324,7 @@ namespace OpenSim.Region.Framework.Scenes
         /// <value>
         /// null if there are no sitting avatars.  This is to save us create a hashset for every prim in a scene.
         /// </value>
-        private HashSet<UUID> m_sittingAvatars;
+        private HashSet<ScenePresence> m_sittingAvatars;
 
         public virtual UUID RegionID
         {
@@ -1315,6 +1375,157 @@ namespace OpenSim.Region.Framework.Scenes
             set { m_collisionSoundVolume = value; }
         }
 
+        public byte DefaultPhysicsShapeType()
+        {
+            byte type;
+
+            if (Shape != null && (Shape.SculptType == (byte)SculptType.Mesh))
+                type = (byte)PhysShapeType.convex;
+            else
+                type = (byte)PhysShapeType.prim;
+
+            return type;
+        }
+
+        public byte PhysicsShapeType
+        {
+            get { return m_physicsShapeType; }
+            set
+            {
+                byte oldv = m_physicsShapeType;
+
+                if (value >= 0 && value <= (byte)PhysShapeType.convex)
+                {
+                    if (value == (byte)PhysShapeType.none && ParentGroup != null && ParentGroup.RootPart == this)
+                        m_physicsShapeType = DefaultPhysicsShapeType();
+                    else
+                        m_physicsShapeType = value;
+                }
+                else
+                    m_physicsShapeType = DefaultPhysicsShapeType();
+
+                if (m_physicsShapeType != oldv && ParentGroup != null)
+                {
+                    if (m_physicsShapeType == (byte)PhysShapeType.none)
+                    {
+                        if (PhysActor != null)
+                        {
+                            Velocity = new Vector3(0, 0, 0);
+                            Acceleration = new Vector3(0, 0, 0);
+                            if (ParentGroup.RootPart == this)
+                                AngularVelocity = new Vector3(0, 0, 0);
+                            ParentGroup.Scene.RemovePhysicalPrim(1);
+                            RemoveFromPhysics();
+                        }
+                    }
+                    else if (PhysActor == null)
+                    {
+                        ApplyPhysics((uint)Flags, VolumeDetectActive);
+                    }
+                    else
+                    {
+                        PhysActor.PhysicsShapeType = m_physicsShapeType;
+                    }
+
+                    if (ParentGroup != null)
+                        ParentGroup.HasGroupChanged = true;
+                }
+
+                if (m_physicsShapeType != value)
+                {
+                    UpdatePhysRequired = true;
+                }
+            }
+        }
+
+        public float Density // in kg/m^3
+        {
+            get { return m_density; }
+            set
+            {
+                if (value >=1 && value <= 22587.0)
+                {
+                    m_density = value;
+                    UpdatePhysRequired = true;
+                }
+
+                ScheduleFullUpdateIfNone();
+
+                if (ParentGroup != null)
+                    ParentGroup.HasGroupChanged = true;
+
+                PhysicsActor pa = PhysActor;
+                if (pa != null)
+                    pa.Density = Density;
+            }
+        }
+
+        public float GravityModifier
+        {
+            get { return m_gravitymod; }
+            set
+            {
+                if( value >= -1 && value <=28.0f)
+                {
+                    m_gravitymod = value;
+                    UpdatePhysRequired = true;
+                }
+
+                ScheduleFullUpdateIfNone();
+
+                if (ParentGroup != null)
+                    ParentGroup.HasGroupChanged = true;
+
+                PhysicsActor pa = PhysActor;
+                if (pa != null)
+                    pa.GravModifier = GravityModifier;
+            }
+        }
+
+        public float Friction
+        {
+            get { return m_friction; }
+            set
+            {
+                if (value >= 0 && value <= 255.0f)
+                {
+                    m_friction = value;
+                    UpdatePhysRequired = true;
+                }
+
+                ScheduleFullUpdateIfNone();
+
+                if (ParentGroup != null)
+                    ParentGroup.HasGroupChanged = true;
+
+                PhysicsActor pa = PhysActor;
+                if (pa != null)
+                    pa.Friction = Friction;
+            }
+        }
+
+        public float Restitution
+        {
+            get { return m_bounce; }
+            set
+            {
+                if (value >= 0 && value <= 1.0f)
+                {
+                    m_bounce = value;
+                    UpdatePhysRequired = true;
+                }
+
+                ScheduleFullUpdateIfNone();
+
+                if (ParentGroup != null)
+                    ParentGroup.HasGroupChanged = true;
+
+                PhysicsActor pa = PhysActor;
+                if (pa != null)
+                    pa.Restitution = Restitution;
+            }
+        }
+
         #endregion Public Properties with only Get
 
         private uint ApplyMask(uint val, bool set, uint mask)
@@ -1403,20 +1614,29 @@ namespace OpenSim.Region.Framework.Scenes
 
         public void AddTextureAnimation(Primitive.TextureAnimation pTexAnim)
         {
-            byte[] data = new byte[16];
-            int pos = 0;
+            byte[] data;
 
-            // The flags don't like conversion from uint to byte, so we have to do
-            // it the crappy way.  See the above function :(
+            if (pTexAnim.Flags == Primitive.TextureAnimMode.ANIM_OFF)
+            {
+                data = Utils.EmptyBytes;
+            }
+            else
+            {
+                data = new byte[16];
+                int pos = 0;
 
-            data[pos] = ConvertScriptUintToByte((uint)pTexAnim.Flags); pos++;
-            data[pos] = (byte)pTexAnim.Face; pos++;
-            data[pos] = (byte)pTexAnim.SizeX; pos++;
-            data[pos] = (byte)pTexAnim.SizeY; pos++;
+                // The flags don't like conversion from uint to byte, so we have to do
+                // it the crappy way.  See the above function :(
 
-            Utils.FloatToBytes(pTexAnim.Start).CopyTo(data, pos);
-            Utils.FloatToBytes(pTexAnim.Length).CopyTo(data, pos + 4);
-            Utils.FloatToBytes(pTexAnim.Rate).CopyTo(data, pos + 8);
+                data[pos] = ConvertScriptUintToByte((uint)pTexAnim.Flags); pos++;
+                data[pos] = (byte)pTexAnim.Face; pos++;
+                data[pos] = (byte)pTexAnim.SizeX; pos++;
+                data[pos] = (byte)pTexAnim.SizeY; pos++;
+
+                Utils.FloatToBytes(pTexAnim.Start).CopyTo(data, pos);
+                Utils.FloatToBytes(pTexAnim.Length).CopyTo(data, pos + 4);
+                Utils.FloatToBytes(pTexAnim.Rate).CopyTo(data, pos + 8);
+            }
 
             m_TextureAnimation = data;
         }
@@ -1511,40 +1731,36 @@ namespace OpenSim.Region.Framework.Scenes
         /// </summary>
         /// <param name="rootObjectFlags"></param>
         /// <param name="VolumeDetectActive"></param>
-        public void ApplyPhysics(uint rootObjectFlags, bool VolumeDetectActive)
+        public void ApplyPhysics(uint rootObjectFlags, bool _VolumeDetectActive)
         {
+            VolumeDetectActive = _VolumeDetectActive;
+
             if (!ParentGroup.Scene.CollidablePrims)
                 return;
 
-//            m_log.DebugFormat(
-//                "[SCENE OBJECT PART]: Applying physics to {0} {1}, m_physicalPrim {2}",
-//                Name, LocalId, UUID, m_physicalPrim);
+            if (PhysicsShapeType == (byte)PhysShapeType.none)
+                return;
 
             bool isPhysical = (rootObjectFlags & (uint) PrimFlags.Physics) != 0;
             bool isPhantom = (rootObjectFlags & (uint) PrimFlags.Phantom) != 0;
 
+            if (_VolumeDetectActive)
+                isPhantom = true;
+
             if (IsJoint())
             {
                 DoPhysicsPropertyUpdate(isPhysical, true);
             }
             else
             {
-                // Special case for VolumeDetection: If VolumeDetection is set, the phantom flag is locally ignored
-                if (VolumeDetectActive)
-                    isPhantom = false;
-
-                // The only time the physics scene shouldn't know about the prim is if it's phantom or an attachment, which is phantom by definition
-                // or flexible
-                if (!isPhantom && !ParentGroup.IsAttachment && !(Shape.PathCurve == (byte)Extrusion.Flexible))
+                if ((!isPhantom || isPhysical || _VolumeDetectActive)
+                        && !ParentGroup.IsAttachmentCheckFull()
+                        && !(Shape.PathCurve == (byte)Extrusion.Flexible))
                 {
-                    // Added clarification..   since A rigid body is an object that you can kick around, etc.
-                    bool rigidBody = isPhysical && !isPhantom;
-
-                    PhysicsActor pa = AddToPhysics(rigidBody);
-
-                    if (pa != null)
-                        pa.SetVolumeDetect(VolumeDetectActive ? 1 : 0);
+                    AddToPhysics(isPhysical, isPhantom, isPhysical);
                 }
+                else
+                    PhysActor = null; // just to be sure
             }
         }
 
@@ -1572,7 +1788,11 @@ namespace OpenSim.Region.Framework.Scenes
         /// <returns></returns>
         public SceneObjectPart Copy(uint localID, UUID AgentID, UUID GroupID, int linkNum, bool userExposed)
         {
+            // FIXME: This is dangerous since it's easy to forget to reset some references when necessary and end up 
+            // with bugs that only occur in some circumstances (e.g. crossing between regions on the same simulator
+            // but not between regions on different simulators).  Really, all copying should be done explicitly.
             SceneObjectPart dupe = (SceneObjectPart)MemberwiseClone();
+
             dupe.m_shape = m_shape.Copy();
             dupe.m_regionHandle = m_regionHandle;
             if (userExposed)
@@ -1618,6 +1838,14 @@ namespace OpenSim.Region.Framework.Scenes
             Array.Copy(Shape.ExtraParams, extraP, extraP.Length);
             dupe.Shape.ExtraParams = extraP;
 
+            dupe.m_sittingAvatars = new HashSet<ScenePresence>();
+
+            // safeguard  actual copy is done in sog.copy
+            dupe.KeyframeMotion = null;
+            dupe.PayPrice = (int[])PayPrice.Clone();
+
+            dupe.DynAttrs.CopyFrom(DynAttrs);
+            
             if (userExposed)
             {
 /*
@@ -1816,6 +2044,9 @@ namespace OpenSim.Region.Framework.Scenes
                         {
                             if (UsePhysics)
                             {
+                                if (ParentGroup.RootPart.KeyframeMotion != null)
+                                    ParentGroup.RootPart.KeyframeMotion.Stop();
+                                ParentGroup.RootPart.KeyframeMotion = null;
                                 ParentGroup.Scene.AddPhysicalPrim(1);
 
                                 pa.OnRequestTerseUpdate += PhysicsRequestingTerseUpdate;
@@ -1848,7 +2079,7 @@ namespace OpenSim.Region.Framework.Scenes
         /// </summary>
         /// <param name="xmlReader"></param>
         /// <returns></returns>
-        public static SceneObjectPart FromXml(XmlTextReader xmlReader)
+        public static SceneObjectPart FromXml(XmlReader xmlReader)
         {
             SceneObjectPart part = SceneObjectSerializer.Xml2ToSOP(xmlReader);
 
@@ -1883,22 +2114,6 @@ namespace OpenSim.Region.Framework.Scenes
             ParentGroup.RootPart.RETURN_AT_EDGE = p;
         }
 
-        public bool GetBlockGrab()
-        {
-            if (ParentGroup.IsDeleted)
-                return false;
-
-            return ParentGroup.RootPart.BlockGrab;
-        }
-
-        public void SetBlockGrab(bool p)
-        {
-            if (ParentGroup.IsDeleted)
-                return;
-
-            ParentGroup.RootPart.BlockGrab = p;
-        }
-
         public void SetStatusSandbox(bool p)
         {
             if (ParentGroup.IsDeleted)
@@ -1952,9 +2167,19 @@ namespace OpenSim.Region.Framework.Scenes
             PhysicsActor pa = PhysActor;
 
             if (pa != null)
-                return new Vector3(pa.CenterOfMass.X, pa.CenterOfMass.Y, pa.CenterOfMass.Z);
+                return pa.GeometricCenter;
+            else
+                return Vector3.Zero;
+        }
+
+        public Vector3 GetCenterOfMass()
+        {
+            PhysicsActor pa = PhysActor;
+
+            if (pa != null)
+                return pa.CenterOfMass;
             else
-                return new Vector3(0, 0, 0);
+                return Vector3.Zero;
         }
 
         public float GetMass()
@@ -2030,7 +2255,7 @@ namespace OpenSim.Region.Framework.Scenes
         {
             if (tau > 0)
             {
-                ParentGroup.moveToTarget(target, tau);
+                ParentGroup.MoveToTarget(target, tau);
             }
             else
             {
@@ -2168,7 +2393,7 @@ namespace OpenSim.Region.Framework.Scenes
                     CollidingMessage = CreateColliderArgs(this, colliders);
 
                     if (CollidingMessage.Colliders.Count > 0)
-                        notify(LocalId, CollidingMessage);
+                        DoNotify(notify, LocalId, CollidingMessage);
 
                     if (PassCollisions)
                         sendToRoot = true;
@@ -2182,7 +2407,7 @@ namespace OpenSim.Region.Framework.Scenes
                 {
                     CollidingMessage = CreateColliderArgs(ParentGroup.RootPart, colliders);
                     if (CollidingMessage.Colliders.Count > 0)
-                        notify(ParentGroup.RootPart.LocalId, CollidingMessage);
+                        DoNotify(notify, ParentGroup.RootPart.LocalId, CollidingMessage);
                 }
             }
         }
@@ -2197,7 +2422,33 @@ namespace OpenSim.Region.Framework.Scenes
                 colliding.Add(CreateDetObjectForGround());
                 LandCollidingMessage.Colliders = colliding;
 
-                notify(LocalId, LandCollidingMessage);
+                DoNotify(notify, LocalId, LandCollidingMessage);
+            }
+        }
+
+        private void DoNotify(ScriptCollidingNotification notify, uint id, ColliderArgs collargs)
+        {
+            if (m_parentGroup != null && ParentGroup.Scene != null && ParentGroup.Scene.ShouldUseFireAndForgetForCollisions)
+            {
+                // For those learning C#, FireAndForget takes a function, an object to pass
+                //    to that function and an ID string. The "oo => {}" construct is a lambda expression
+                //    for a function with one arguement ('oo'). The 'new Object[] {}" construct creates an Object
+                //    that is an object array and initializes it with three items (the parameters
+                //    being passed). The parameters passed are the function to call ('notify') and
+                //    its two arguements. Finally, once in the function (called later by the FireAndForget
+                //    thread scheduler), the passed object is cast to an object array and then each
+                //    of its items (aoo[0] to aoo[2]) are individually cast to what they are and
+                //    then used in a call of the passed ScriptCollidingNotification function.
+                Util.FireAndForget(oo =>
+                {
+                    Object[] aoo = (Object[])oo;
+                    ((ScriptCollidingNotification)aoo[0])((uint)aoo[1], (ColliderArgs)aoo[2]);
+
+                }, new Object[] { notify, id, collargs }, "SOP.Collision");
+            }
+            else
+            {
+                notify(id, collargs);
             }
         }
 
@@ -2244,7 +2495,7 @@ namespace OpenSim.Region.Framework.Scenes
                 if (soundModule != null)
                 {
                     soundModule.SendSound(UUID, CollisionSound,
-                            CollisionSoundVolume, true, (byte)0, 0, false,
+                            CollisionSoundVolume, true, 0, 0, false,
                             false);
                 }
             }
@@ -2254,12 +2505,9 @@ namespace OpenSim.Region.Framework.Scenes
             SendCollisionEvent(scriptEvents.collision_end  , endedColliders  , ParentGroup.Scene.EventManager.TriggerScriptCollidingEnd);
 
             if (startedColliders.Contains(0))
-            {
-                if (m_lastColliders.Contains(0))
-                    SendLandCollisionEvent(scriptEvents.land_collision, ParentGroup.Scene.EventManager.TriggerScriptLandColliding);
-                else
-                    SendLandCollisionEvent(scriptEvents.land_collision_start, ParentGroup.Scene.EventManager.TriggerScriptLandCollidingStart);
-            }
+                SendLandCollisionEvent(scriptEvents.land_collision_start, ParentGroup.Scene.EventManager.TriggerScriptLandCollidingStart);
+            if (m_lastColliders.Contains(0))
+                SendLandCollisionEvent(scriptEvents.land_collision, ParentGroup.Scene.EventManager.TriggerScriptLandColliding);
             if (endedColliders.Contains(0))
                 SendLandCollisionEvent(scriptEvents.land_collision_end, ParentGroup.Scene.EventManager.TriggerScriptLandCollidingEnd);
         }
@@ -2282,19 +2530,36 @@ namespace OpenSim.Region.Framework.Scenes
 
             if (pa != null)
             {
-                Vector3 newpos = new Vector3(pa.Position.GetBytes(), 0);
-                
-                if (ParentGroup.Scene.TestBorderCross(newpos, Cardinals.N)
-                    | ParentGroup.Scene.TestBorderCross(newpos, Cardinals.S)
-                    | ParentGroup.Scene.TestBorderCross(newpos, Cardinals.E)
-                    | ParentGroup.Scene.TestBorderCross(newpos, Cardinals.W))
+                Vector3 newpos = pa.Position;
+                if (!ParentGroup.Scene.PositionIsInCurrentRegion(newpos))
                 {
+                    // Setting position outside current region will start region crossing
                     ParentGroup.AbsolutePosition = newpos;
                     return;
                 }
                 //ParentGroup.RootPart.m_groupPosition = newpos;
             }
 
+            if (pa != null && ParentID != 0 && ParentGroup != null)
+            {
+                // Special case where a child object is requesting property updates.
+                // This happens when linksets are modified to use flexible links rather than
+                //    the default links.
+                // The simulator code presumes that child parts are only modified by scripts
+                //    so the logic for changing position/rotation/etc does not take into
+                //    account the physical object actually moving.
+                // This code updates the offset position and rotation of the child and then
+                //    lets the update code push the update to the viewer.
+                // Since physics engines do not normally generate this event for linkset children,
+                //    this code will not be active unless you have a specially configured
+                //    physics engine.
+                Quaternion invRootRotation = Quaternion.Normalize(Quaternion.Inverse(ParentGroup.RootPart.RotationOffset));
+                m_offsetPosition = pa.Position - m_groupPosition;
+                RotationOffset = pa.Orientation * invRootRotation;
+                // m_log.DebugFormat("{0} PhysicsRequestingTerseUpdate child: pos={1}, rot={2}, offPos={3}, offRot={4}",
+                //                     "[SCENE OBJECT PART]", pa.Position, pa.Orientation, m_offsetPosition, RotationOffset);
+            }
+
             ScheduleTerseUpdate();
         }
 
@@ -2397,7 +2662,7 @@ namespace OpenSim.Region.Framework.Scenes
                     return;
                 }
                 
-                m_APIDIterations = 1 + (int)(Math.PI * APIDStrength);
+                APIDActive = true;
             }
 
             // Necessary to get the lookat deltas applied
@@ -2411,7 +2676,20 @@ namespace OpenSim.Region.Framework.Scenes
 
         public void StopLookAt()
         {
-            APIDTarget = Quaternion.Identity;
+            APIDActive = false;
+        }
+
+
+
+        public void ScheduleFullUpdateIfNone()
+        {
+            if (ParentGroup == null)
+                return;
+
+// ???            ParentGroup.HasGroupChanged = true;
+
+            if (UpdateFlag != UpdateRequired.FULL)
+                ScheduleFullUpdate();
         }
 
         /// <summary>
@@ -2460,7 +2738,8 @@ namespace OpenSim.Region.Framework.Scenes
                 return;
 
             // This was pulled from SceneViewer. Attachments always receive full updates.
-            // I could not verify if this is a requirement but this maintains existing behavior
+            // This is needed because otherwise if only the root prim changes position, then
+            // it looks as if the entire object has moved (including the other prims).
             if (ParentGroup.IsAttachment)
             {
                 ScheduleFullUpdate();
@@ -2996,6 +3275,10 @@ namespace OpenSim.Region.Framework.Scenes
         /// <param name="events"></param>
         public void SetScriptEvents(UUID scriptid, int events)
         {
+//            m_log.DebugFormat(
+//                "[SCENE OBJECT PART]: Set script events for script with id {0} on {1}/{2} to {3} in {4}", 
+//                scriptid, Name, ParentGroup.Name, events, ParentGroup.Scene.Name);
+
             // scriptEvents oldparts;
             lock (m_scriptEvents)
             {
@@ -3048,10 +3331,7 @@ namespace OpenSim.Region.Framework.Scenes
 
         public void StopMoveToTarget()
         {
-            ParentGroup.stopMoveToTarget();
-
-            ParentGroup.ScheduleGroupForTerseUpdate();
-            //ParentGroup.ScheduleGroupForFullUpdate();
+            ParentGroup.StopMoveToTarget();
         }
 
         public void StoreUndoState()
@@ -3618,6 +3898,7 @@ namespace OpenSim.Region.Framework.Scenes
                         result.distance = distance2;
                         result.HitTF = true;
                         result.ipoint = q;
+                        result.face = i;
                         //m_log.Info("[FACE]:" + i.ToString());
                         //m_log.Info("[POINT]: " + q.ToString());
                         //m_log.Info("[DIST]: " + distance2.ToString());
@@ -3664,10 +3945,10 @@ namespace OpenSim.Region.Framework.Scenes
 
         public void TrimPermissions()
         {
-            BaseMask &= (uint)PermissionMask.All;
-            OwnerMask &= (uint)PermissionMask.All;
+            BaseMask &= (uint)(PermissionMask.All | PermissionMask.Export);
+            OwnerMask &= (uint)(PermissionMask.All | PermissionMask.Export);
             GroupMask &= (uint)PermissionMask.All;
-            EveryoneMask &= (uint)PermissionMask.All;
+            EveryoneMask &= (uint)(PermissionMask.All | PermissionMask.Export);
             NextOwnerMask &= (uint)PermissionMask.All;
         }
 
@@ -3690,30 +3971,31 @@ namespace OpenSim.Region.Framework.Scenes
             }
         }
 
-        public void UpdateGroupPosition(Vector3 pos)
+        public void UpdateGroupPosition(Vector3 newPos)
         {
-            if ((pos.X != GroupPosition.X) ||
-                (pos.Y != GroupPosition.Y) ||
-                (pos.Z != GroupPosition.Z))
+            Vector3 oldPos = GroupPosition;
+
+            if ((newPos.X != oldPos.X) ||
+                (newPos.Y != oldPos.Y) ||
+                (newPos.Z != oldPos.Z))
             {
-                Vector3 newPos = new Vector3(pos.X, pos.Y, pos.Z);
                 GroupPosition = newPos;
                 ScheduleTerseUpdate();
             }
         }
 
         /// <summary>
-        ///
+        /// Update this part's offset position.
         /// </summary>
         /// <param name="pos"></param>
-        public void UpdateOffSet(Vector3 pos)
+        public void UpdateOffSet(Vector3 newPos)
         {
-            if ((pos.X != OffsetPosition.X) ||
-                (pos.Y != OffsetPosition.Y) ||
-                (pos.Z != OffsetPosition.Z))
-            {
-                Vector3 newPos = new Vector3(pos.X, pos.Y, pos.Z);
+            Vector3 oldPos = OffsetPosition;
 
+            if ((newPos.X != oldPos.X) ||
+                (newPos.Y != oldPos.Y) ||
+                (newPos.Z != oldPos.Z))
+            {
                 if (ParentGroup.RootPart.GetStatusSandbox())
                 {
                     if (Util.GetDistanceTo(ParentGroup.RootPart.StatusSandboxPos, newPos) > 10)
@@ -3770,10 +4052,22 @@ namespace OpenSim.Region.Framework.Scenes
                                 baseMask;
                         break;
                     case 8:
+                        // Trying to set export permissions - extra checks
+                        if (set && (mask & (uint)PermissionMask.Export) != 0)
+                        {
+                            if ((OwnerMask & (uint)PermissionMask.Export) == 0 || (BaseMask & (uint)PermissionMask.Export) == 0 || (NextOwnerMask & (uint)PermissionMask.All) != (uint)PermissionMask.All)
+                                mask &= ~(uint)PermissionMask.Export;
+                        }
                         EveryoneMask = ApplyMask(EveryoneMask, set, mask) &
                                 baseMask;
                         break;
                     case 16:
+                        // Force full perm if export
+                        if ((EveryoneMask & (uint)PermissionMask.Export) != 0)
+                        {
+                            NextOwnerMask = (uint)PermissionMask.All;
+                            break;
+                        }
                         NextOwnerMask = ApplyMask(NextOwnerMask, set, mask) &
                                 baseMask;
                         // Prevent the client from creating no mod, no copy
@@ -3848,7 +4142,7 @@ namespace OpenSim.Region.Framework.Scenes
             // For now, we use the NINJA naming scheme for identifying joints.
             // In the future, we can support other joint specification schemes such as a 
             // custom checkbox in the viewer GUI.
-            if (ParentGroup.Scene != null && ParentGroup.Scene.PhysicsScene.SupportsNINJAJoints)
+            if (ParentGroup.Scene != null && ParentGroup.Scene.PhysicsScene != null && ParentGroup.Scene.PhysicsScene.SupportsNINJAJoints)
             {
                 return IsHingeJoint() || IsBallJoint();
             }
@@ -3858,6 +4152,26 @@ namespace OpenSim.Region.Framework.Scenes
             }
         }
 
+        public void UpdateExtraPhysics(ExtraPhysicsData physdata)
+        {
+            if (physdata.PhysShapeType == PhysShapeType.invalid || ParentGroup == null)
+                return;
+
+            if (PhysicsShapeType != (byte)physdata.PhysShapeType)
+            {
+                PhysicsShapeType = (byte)physdata.PhysShapeType;
+
+            }
+
+            if(Density != physdata.Density)
+                Density = physdata.Density;
+            if(GravityModifier != physdata.GravitationModifier)
+                GravityModifier = physdata.GravitationModifier;
+            if(Friction != physdata.Friction)
+                Friction = physdata.Friction;
+            if(Restitution != physdata.Bounce)
+                Restitution = physdata.Bounce;
+        }
         /// <summary>
         /// Update the flags on this prim.  This covers properties such as phantom, physics and temporary.
         /// </summary>
@@ -3928,7 +4242,8 @@ namespace OpenSim.Region.Framework.Scenes
             }
 
             if (SetPhantom
-                || ParentGroup.IsAttachment
+                || ParentGroup.IsAttachmentCheckFull()
+                || PhysicsShapeType == (byte)PhysShapeType.none
                 || (Shape.PathCurve == (byte)Extrusion.Flexible)) // note: this may have been changed above in the case of joints
             {
                 AddFlag(PrimFlags.Phantom);
@@ -3948,32 +4263,17 @@ namespace OpenSim.Region.Framework.Scenes
 
                 if (ParentGroup.Scene.CollidablePrims && pa == null)
                 {
-                    pa = AddToPhysics(UsePhysics);
+                    AddToPhysics(UsePhysics, SetPhantom, false);
+                    pa = PhysActor;
 
                     if (pa != null)
                     {
                         pa.SetMaterial(Material);
+                        pa.Position = GetWorldPosition();
+                        pa.Orientation = GetWorldRotation();
                         DoPhysicsPropertyUpdate(UsePhysics, true);
-    
-                        if (
-                            ((AggregateScriptEvents & scriptEvents.collision) != 0) ||
-                            ((AggregateScriptEvents & scriptEvents.collision_end) != 0) ||
-                            ((AggregateScriptEvents & scriptEvents.collision_start) != 0) ||
-                            ((AggregateScriptEvents & scriptEvents.land_collision_start) != 0) ||
-                            ((AggregateScriptEvents & scriptEvents.land_collision) != 0) ||
-                            ((AggregateScriptEvents & scriptEvents.land_collision_end) != 0) ||
-                            ((ParentGroup.RootPart.AggregateScriptEvents & scriptEvents.collision) != 0) ||
-                            ((ParentGroup.RootPart.AggregateScriptEvents & scriptEvents.collision_end) != 0) ||
-                            ((ParentGroup.RootPart.AggregateScriptEvents & scriptEvents.collision_start) != 0) ||
-                            ((ParentGroup.RootPart.AggregateScriptEvents & scriptEvents.land_collision_start) != 0) ||
-                            ((ParentGroup.RootPart.AggregateScriptEvents & scriptEvents.land_collision) != 0) ||
-                            ((ParentGroup.RootPart.AggregateScriptEvents & scriptEvents.land_collision_end) != 0) ||
-                            (CollisionSound != UUID.Zero)
-                            )
-                        {
-                            pa.OnCollisionUpdate += PhysicsCollision;
-                            pa.SubscribeEvents(1000);
-                        }
+
+                        SubscribeForCollisionEvents();
                     }
                 }
                 else // it already has a physical representation
@@ -4028,6 +4328,50 @@ namespace OpenSim.Region.Framework.Scenes
         }
 
         /// <summary>
+        /// Subscribe for physics collision events if needed for scripts and sounds
+        /// </summary>
+        public void SubscribeForCollisionEvents()
+        {
+            PhysicsActor pa = PhysActor;
+
+            if (pa != null)
+            {
+                if (
+                    ((AggregateScriptEvents & scriptEvents.collision) != 0) ||
+                    ((AggregateScriptEvents & scriptEvents.collision_end) != 0) ||
+                    ((AggregateScriptEvents & scriptEvents.collision_start) != 0) ||
+                    ((AggregateScriptEvents & scriptEvents.land_collision_start) != 0) ||
+                    ((AggregateScriptEvents & scriptEvents.land_collision) != 0) ||
+                    ((AggregateScriptEvents & scriptEvents.land_collision_end) != 0) ||
+                    ((ParentGroup.RootPart.AggregateScriptEvents & scriptEvents.collision) != 0) ||
+                    ((ParentGroup.RootPart.AggregateScriptEvents & scriptEvents.collision_end) != 0) ||
+                    ((ParentGroup.RootPart.AggregateScriptEvents & scriptEvents.collision_start) != 0) ||
+                    ((ParentGroup.RootPart.AggregateScriptEvents & scriptEvents.land_collision_start) != 0) ||
+                    ((ParentGroup.RootPart.AggregateScriptEvents & scriptEvents.land_collision) != 0) ||
+                    ((ParentGroup.RootPart.AggregateScriptEvents & scriptEvents.land_collision_end) != 0) ||
+                    (CollisionSound != UUID.Zero)
+                    )
+                {
+                    if (!pa.SubscribedEvents())
+                    {
+                        // If not already subscribed for event, set up for a collision event.
+                        pa.OnCollisionUpdate += PhysicsCollision;
+                        pa.SubscribeEvents(1000);
+                    }
+                }
+                else
+                {
+                    // There is no need to be subscribed to collisions so, if subscribed, remove subscription
+                    if (pa.SubscribedEvents())
+                    {
+                        pa.OnCollisionUpdate -= PhysicsCollision;
+                        pa.UnSubscribeEvents();
+                    }
+                }
+            }
+        }
+
+        /// <summary>
         /// Adds this part to the physics scene.
         /// </summary>
         /// <remarks>This method also sets the PhysActor property.</remarks>
@@ -4035,10 +4379,13 @@ namespace OpenSim.Region.Framework.Scenes
         /// <returns>
         /// The physics actor.  null if there was a failure.
         /// </returns>
-        private PhysicsActor AddToPhysics(bool rigidBody)
+        private void AddToPhysics(bool isPhysical, bool isPhantom, bool applyDynamics)
         {
             PhysicsActor pa;
 
+            Vector3 velocity = Velocity;
+            Vector3 rotationalVelocity = AngularVelocity;;
+
             try
             {
                 pa = ParentGroup.Scene.PhysicsScene.AddPrimShape(
@@ -4046,8 +4393,10 @@ namespace OpenSim.Region.Framework.Scenes
                         Shape,
                         AbsolutePosition,
                         Scale,
-                        RotationOffset,
-                        rigidBody,
+                        GetWorldRotation(),
+                        isPhysical,
+                        isPhantom,
+                        PhysicsShapeType,
                         m_localId);
             }
             catch (Exception e)
@@ -4056,20 +4405,56 @@ namespace OpenSim.Region.Framework.Scenes
                 pa = null;
             }
 
-            // FIXME: Ideally we wouldn't set the property here to reduce situations where threads changing physical
-            // properties can stop on each other.  However, DoPhysicsPropertyUpdate() currently relies on PhysActor
-            // being set.
-            PhysActor = pa;
-
-            // Basic Physics can also return null as well as an exception catch.
             if (pa != null)
             {
                 pa.SOPName = this.Name; // save object into the PhysActor so ODE internals know the joint/body info
                 pa.SetMaterial(Material);
-                DoPhysicsPropertyUpdate(rigidBody, true);
+
+                pa.Density = Density;
+                pa.GravModifier = GravityModifier;
+                pa.Friction = Friction;
+                pa.Restitution = Restitution;
+
+                if (VolumeDetectActive) // change if not the default only
+                    pa.SetVolumeDetect(1);
+                // we are going to tell rest of code about physics so better have this here
+                PhysActor = pa;
+
+                if (isPhysical)
+                {
+                    if (ParentGroup.RootPart.KeyframeMotion != null)
+                        ParentGroup.RootPart.KeyframeMotion.Stop();
+                    ParentGroup.RootPart.KeyframeMotion = null;
+                    ParentGroup.Scene.AddPhysicalPrim(1);
+
+                    pa.OnRequestTerseUpdate += PhysicsRequestingTerseUpdate;
+                    pa.OnOutOfBounds += PhysicsOutOfBounds;
+
+                    if (ParentID != 0 && ParentID != LocalId)
+                    {
+                        PhysicsActor parentPa = ParentGroup.RootPart.PhysActor;
+
+                        if (parentPa != null)
+                        {
+                            pa.link(parentPa);
+                        }
+                    }
+                }
+
+                if (applyDynamics)
+                    // do independent of isphysical so parameters get setted (at least some)                   
+                {
+                    Velocity = velocity;
+                    AngularVelocity = rotationalVelocity;
+//                    pa.Velocity = velocity;
+                    pa.RotationalVelocity = rotationalVelocity;
+                }
+
+                ParentGroup.Scene.PhysicsScene.AddPhysicsActorTaint(pa);
             }
 
-            return pa;
+            PhysActor = pa;
+            ParentGroup.Scene.EventManager.TriggerObjectAddedToPhysicalScene(this);
         }
 
         /// <summary>
@@ -4082,7 +4467,9 @@ namespace OpenSim.Region.Framework.Scenes
         /// </remarks>
         public void RemoveFromPhysics()
         {
-            ParentGroup.Scene.PhysicsScene.RemovePrim(PhysActor);
+            ParentGroup.Scene.EventManager.TriggerObjectRemovedFromPhysicalScene(this);
+            if (ParentGroup.Scene.PhysicsScene != null)
+                ParentGroup.Scene.PhysicsScene.RemovePrim(PhysActor);
             PhysActor = null;
         }
 
@@ -4255,8 +4642,33 @@ namespace OpenSim.Region.Framework.Scenes
 
             Changed changeFlags = 0;
 
+            Primitive.TextureEntryFace fallbackNewFace = newTex.DefaultTexture;
+            Primitive.TextureEntryFace fallbackOldFace = oldTex.DefaultTexture;
+           
+            // On Incoming packets, sometimes newText.DefaultTexture is null.  The assumption is that all 
+            // other prim-sides are set, but apparently that's not always the case.  Lets assume packet/data corruption at this point.
+            if (fallbackNewFace == null)
+            {
+                fallbackNewFace = new Primitive.TextureEntry(Util.BLANK_TEXTURE_UUID).CreateFace(0);
+                newTex.DefaultTexture = fallbackNewFace;
+            }
+            if (fallbackOldFace == null)
+            {
+                fallbackOldFace = new Primitive.TextureEntry(Util.BLANK_TEXTURE_UUID).CreateFace(0);
+                oldTex.DefaultTexture = fallbackOldFace;
+            }
+
+            // Materials capable viewers can send a ObjectImage packet
+            // when nothing in TE has changed. MaterialID should be updated
+            // by the RenderMaterials CAP handler, so updating it here may cause a
+            // race condtion. Therefore, if no non-materials TE fields have changed, 
+            // we should ignore any changes and not update Shape.TextureEntry
+
+            bool otherFieldsChanged = false;
+
             for (int i = 0 ; i < GetNumberOfSides(); i++)
             {
+
                 Primitive.TextureEntryFace newFace = newTex.DefaultTexture;
                 Primitive.TextureEntryFace oldFace = oldTex.DefaultTexture;
 
@@ -4280,18 +4692,36 @@ namespace OpenSim.Region.Framework.Scenes
                 // Max change, skip the rest of testing
                 if (changeFlags == (Changed.TEXTURE | Changed.COLOR))
                     break;
+
+                if (!otherFieldsChanged)
+                {
+                    if (oldFace.Bump != newFace.Bump) otherFieldsChanged = true;
+                    if (oldFace.Fullbright != newFace.Fullbright) otherFieldsChanged = true;
+                    if (oldFace.Glow != newFace.Glow) otherFieldsChanged = true;
+                    if (oldFace.MediaFlags != newFace.MediaFlags) otherFieldsChanged = true;
+                    if (oldFace.OffsetU != newFace.OffsetU) otherFieldsChanged = true;
+                    if (oldFace.OffsetV != newFace.OffsetV) otherFieldsChanged = true;
+                    if (oldFace.RepeatU != newFace.RepeatU) otherFieldsChanged = true;
+                    if (oldFace.RepeatV != newFace.RepeatV) otherFieldsChanged = true;
+                    if (oldFace.Rotation != newFace.Rotation) otherFieldsChanged = true;
+                    if (oldFace.Shiny != newFace.Shiny) otherFieldsChanged = true;
+                    if (oldFace.TexMapType != newFace.TexMapType) otherFieldsChanged = true;
+                }
             }
 
-            m_shape.TextureEntry = newTex.GetBytes();
-            if (changeFlags != 0)
-                TriggerScriptChangedEvent(changeFlags);
-            UpdateFlag = UpdateRequired.FULL;
-            ParentGroup.HasGroupChanged = true;
+            if (changeFlags != 0 || otherFieldsChanged)
+            {
+                m_shape.TextureEntry = newTex.GetBytes();
+                if (changeFlags != 0)
+                    TriggerScriptChangedEvent(changeFlags);
+                UpdateFlag = UpdateRequired.FULL;
+                ParentGroup.HasGroupChanged = true;
 
-            //This is madness..
-            //ParentGroup.ScheduleGroupForFullUpdate();
-            //This is sparta
-            ScheduleFullUpdate();
+                //This is madness..
+                //ParentGroup.ScheduleGroupForFullUpdate();
+                //This is sparta
+                ScheduleFullUpdate();
+            }
         }
 
         public void aggregateScriptEvents()
@@ -4331,39 +4761,7 @@ namespace OpenSim.Region.Framework.Scenes
                 objectflagupdate |= (uint) PrimFlags.AllowInventoryDrop;
             }
 
-            PhysicsActor pa = PhysActor;
-
-            if (
-                ((AggregateScriptEvents & scriptEvents.collision) != 0) ||
-                ((AggregateScriptEvents & scriptEvents.collision_end) != 0) ||
-                ((AggregateScriptEvents & scriptEvents.collision_start) != 0) ||
-                ((AggregateScriptEvents & scriptEvents.land_collision_start) != 0) ||
-                ((AggregateScriptEvents & scriptEvents.land_collision) != 0) ||
-                ((AggregateScriptEvents & scriptEvents.land_collision_end) != 0) ||
-                ((ParentGroup.RootPart.AggregateScriptEvents & scriptEvents.collision) != 0) ||
-                ((ParentGroup.RootPart.AggregateScriptEvents & scriptEvents.collision_end) != 0) ||
-                ((ParentGroup.RootPart.AggregateScriptEvents & scriptEvents.collision_start) != 0) ||
-                ((ParentGroup.RootPart.AggregateScriptEvents & scriptEvents.land_collision_start) != 0) ||
-                ((ParentGroup.RootPart.AggregateScriptEvents & scriptEvents.land_collision) != 0) ||
-                ((ParentGroup.RootPart.AggregateScriptEvents & scriptEvents.land_collision_end) != 0) ||
-                (CollisionSound != UUID.Zero)
-                )
-            {
-                // subscribe to physics updates.
-                if (pa != null)
-                {
-                    pa.OnCollisionUpdate += PhysicsCollision;
-                    pa.SubscribeEvents(1000);
-                }
-            }
-            else
-            {
-                if (pa != null)
-                {
-                    pa.UnSubscribeEvents();
-                    pa.OnCollisionUpdate -= PhysicsCollision;
-                }
-            }
+            SubscribeForCollisionEvents();
 
             //if ((GetEffectiveObjectFlags() & (uint)PrimFlags.Scripted) != 0)
             //{
@@ -4449,12 +4847,76 @@ namespace OpenSim.Region.Framework.Scenes
         {
             ParentGroup.AddScriptLPS(count);
         }
+
+        /// <summary>
+        /// Sets a prim's owner and permissions when it's rezzed.
+        /// </summary>
+        /// <param name="item">The inventory item from which the item was rezzed</param>
+        /// <param name="userInventory">True: the item is being rezzed from the user's inventory. False: from a prim's inventory.</param>
+        /// <param name="scene">The scene the prim is being rezzed into</param>
+        public void ApplyPermissionsOnRez(InventoryItemBase item, bool userInventory, Scene scene)
+        {
+            if ((OwnerID != item.Owner) || ((item.CurrentPermissions & SceneObjectGroup.SLAM) != 0) || ((item.Flags & (uint)InventoryItemFlags.ObjectSlamPerm) != 0))
+            {
+                if (scene.Permissions.PropagatePermissions())
+                {
+                    if ((item.Flags & (uint)InventoryItemFlags.ObjectHasMultipleItems) == 0)
+                    {
+                        // Apply the item's permissions to the object
+                        //LogPermissions("Before applying item permissions");
+                        if (userInventory)
+                        {
+                            EveryoneMask = item.EveryOnePermissions;
+                            NextOwnerMask = item.NextPermissions;
+                        }
+                        else
+                        {
+                            if ((item.Flags & (uint)InventoryItemFlags.ObjectOverwriteEveryone) != 0)
+                                EveryoneMask = item.EveryOnePermissions;
+                            if ((item.Flags & (uint)InventoryItemFlags.ObjectOverwriteNextOwner) != 0)
+                                NextOwnerMask = item.NextPermissions;
+                            if ((item.Flags & (uint)InventoryItemFlags.ObjectOverwriteGroup) != 0)
+                                GroupMask = item.GroupPermissions;
+                        }
+                        //LogPermissions("After applying item permissions");
+                    }
+                }
+
+                GroupMask = 0; // DO NOT propagate here
+            }
+
+            if (OwnerID != item.Owner)
+            {
+                //LogPermissions("Before ApplyNextOwnerPermissions");
+
+                if (scene.Permissions.PropagatePermissions())
+                    ApplyNextOwnerPermissions();
+
+                //LogPermissions("After ApplyNextOwnerPermissions");
+
+                LastOwnerID = OwnerID;
+                OwnerID = item.Owner;
+                Inventory.ChangeInventoryOwner(item.Owner);
+            }
+        }
+
+        /// <summary>
+        /// Logs the prim's permissions. Useful when debugging permission problems.
+        /// </summary>
+        /// <param name="message"></param>
+        private void LogPermissions(String message)
+        {
+            PermissionsUtil.LogPermissions(Name, message, BaseMask, OwnerMask, NextOwnerMask);
+        }
         
         public void ApplyNextOwnerPermissions()
         {
-            BaseMask &= NextOwnerMask;
+            // Export needs to be preserved in the base and everyone
+            // mask, but removed in the owner mask as a next owner
+            // can never change the export status
+            BaseMask &= NextOwnerMask | (uint)PermissionMask.Export;
             OwnerMask &= NextOwnerMask;
-            EveryoneMask &= NextOwnerMask;
+            EveryoneMask &= NextOwnerMask | (uint)PermissionMask.Export;
 
             Inventory.ApplyNextOwnerPermissions();
         }
@@ -4463,20 +4925,34 @@ namespace OpenSim.Region.Framework.Scenes
         {
             try
             {
-                if (APIDTarget != Quaternion.Identity)
+                if (APIDActive)
                 {
-                    if (m_APIDIterations <= 1)
+                    PhysicsActor pa = ParentGroup.RootPart.PhysActor;
+                    if (pa == null || !pa.IsPhysical || APIDStrength < 0.04)
                     {
-                        UpdateRotation(APIDTarget);
-                        APIDTarget = Quaternion.Identity;
+                        StopLookAt();
                         return;
                     }
 
-                    Quaternion rot = Quaternion.Slerp(RotationOffset,APIDTarget,1.0f/(float)m_APIDIterations);
-                    rot.Normalize();
-                    UpdateRotation(rot);
+                    Quaternion currRot = GetWorldRotation();
+                    currRot.Normalize();
+
+                    // difference between current orientation and desired orientation
+                    Quaternion dR = currRot / APIDTarget;
+
+                    // find axis and angle of rotation to rotate to desired orientation
+                    Vector3 axis = Vector3.UnitX;
+                    float angle;
+                    dR.GetAxisAngle(out axis, out angle);
+                    axis = axis * currRot;
+
+                    // clamp strength to avoid overshoot
+                    float strength = 1.0f / APIDStrength;
+                    if (strength > 1.0) strength = 1.0f;
 
-                    m_APIDIterations--;
+                    // set angular velocity to rotate to desired orientation
+                    // with velocity proportional to strength and angle
+                    AngularVelocity = axis * angle * strength * (float)Math.PI;
 
                     // This ensures that we'll check this object on the next iteration
                     ParentGroup.QueueForUpdateCheck();
@@ -4502,19 +4978,19 @@ namespace OpenSim.Region.Framework.Scenes
         /// true if the avatar was not already recorded, false otherwise.
         /// </returns>
         /// <param name='avatarId'></param>
-        protected internal bool AddSittingAvatar(UUID avatarId)
+        protected internal bool AddSittingAvatar(ScenePresence sp)
         {
             lock (ParentGroup.m_sittingAvatars)
             {
                 if (IsSitTargetSet && SitTargetAvatar == UUID.Zero)
-                    SitTargetAvatar = avatarId;
+                    SitTargetAvatar = sp.UUID;
 
                 if (m_sittingAvatars == null)
-                    m_sittingAvatars = new HashSet<UUID>();
+                    m_sittingAvatars = new HashSet<ScenePresence>();
 
-                if (m_sittingAvatars.Add(avatarId))
+                if (m_sittingAvatars.Add(sp))
                 {
-                    ParentGroup.m_sittingAvatars.Add(avatarId);
+                    ParentGroup.m_sittingAvatars.Add(sp);
 
                     return true;
                 }
@@ -4531,22 +5007,22 @@ namespace OpenSim.Region.Framework.Scenes
         /// true if the avatar was present and removed, false if it was not present.
         /// </returns>
         /// <param name='avatarId'></param>
-        protected internal bool RemoveSittingAvatar(UUID avatarId)
+        protected internal bool RemoveSittingAvatar(ScenePresence sp)
         {
             lock (ParentGroup.m_sittingAvatars)
             {
-                if (SitTargetAvatar == avatarId)
+                if (SitTargetAvatar == sp.UUID)
                     SitTargetAvatar = UUID.Zero;
 
                 if (m_sittingAvatars == null)
                     return false;
 
-                if (m_sittingAvatars.Remove(avatarId))
+                if (m_sittingAvatars.Remove(sp))
                 {
                     if (m_sittingAvatars.Count == 0)
                         m_sittingAvatars = null;
 
-                    ParentGroup.m_sittingAvatars.Remove(avatarId);
+                    ParentGroup.m_sittingAvatars.Remove(sp);
 
                     return true;
                 }
@@ -4560,14 +5036,14 @@ namespace OpenSim.Region.Framework.Scenes
         /// </summary>
         /// <remarks>This applies to all sitting avatars whether there is a sit target set or not.</remarks>
         /// <returns>A hashset of the sitting avatars.  Returns null if there are no sitting avatars.</returns>
-        public HashSet<UUID> GetSittingAvatars()
+        public HashSet<ScenePresence> GetSittingAvatars()
         {
             lock (ParentGroup.m_sittingAvatars)
             {
                 if (m_sittingAvatars == null)
                     return null;
                 else
-                    return new HashSet<UUID>(m_sittingAvatars);
+                    return new HashSet<ScenePresence>(m_sittingAvatars);
             }
         }
 
diff --git a/OpenSim/Region/Framework/Scenes/SceneObjectPartInventory.cs b/OpenSim/Region/Framework/Scenes/SceneObjectPartInventory.cs
index db723fa..ec39726 100644
--- a/OpenSim/Region/Framework/Scenes/SceneObjectPartInventory.cs
+++ b/OpenSim/Region/Framework/Scenes/SceneObjectPartInventory.cs
@@ -38,6 +38,7 @@ using OpenSim.Framework;
 using OpenSim.Region.Framework.Interfaces;
 using OpenSim.Region.Framework.Scenes.Scripting;
 using OpenSim.Region.Framework.Scenes.Serialization;
+using PermissionMask = OpenSim.Framework.PermissionMask;
 
 namespace OpenSim.Region.Framework.Scenes
 {
@@ -399,6 +400,10 @@ namespace OpenSim.Region.Framework.Scenes
 
         private UUID RestoreSavedScriptState(UUID loadedID, UUID oldID, UUID newID)
         {
+//            m_log.DebugFormat(
+//                "[PRIM INVENTORY]: Restoring scripted state for item {0}, oldID {1}, loadedID {2}", 
+//                newID, oldID, loadedID);
+
             IScriptModule[] engines = m_part.ParentGroup.Scene.RequestModuleInterfaces<IScriptModule>();
             if (engines.Length == 0) // No engine at all
                 return oldID;
@@ -411,7 +416,7 @@ namespace OpenSim.Region.Framework.Scenes
                 XmlDocument doc = new XmlDocument();
 
                 doc.LoadXml(m_part.ParentGroup.m_savedScriptState[stateID]);
-                
+
                 ////////// CRUFT WARNING ///////////////////////////////////
                 //
                 // Old objects will have <ScriptState><State> ...
@@ -441,6 +446,8 @@ namespace OpenSim.Region.Framework.Scenes
                     // This created document has only the minimun data
                     // necessary for XEngine to parse it successfully
 
+//                    m_log.DebugFormat("[PRIM INVENTORY]: Adding legacy state {0} in {1}", stateID, newID);
+
                     m_part.ParentGroup.m_savedScriptState[stateID] = newDoc.OuterXml;
                 }
                 
@@ -552,7 +559,8 @@ namespace OpenSim.Region.Framework.Scenes
         /// </param>
         public void StopScriptInstance(TaskInventoryItem item)
         {
-            m_part.ParentGroup.Scene.EventManager.TriggerStopScript(m_part.LocalId, item.ItemID);
+            if (m_part.ParentGroup.Scene != null)
+                m_part.ParentGroup.Scene.EventManager.TriggerStopScript(m_part.LocalId, item.ItemID);
 
             // At the moment, even stopped scripts are counted as active, which is probably wrong.
 //            m_part.ParentGroup.AddActiveScriptCount(-1);
@@ -731,8 +739,8 @@ namespace OpenSim.Region.Framework.Scenes
 
             return items;
         }
-        
-        public SceneObjectGroup GetRezReadySceneObject(TaskInventoryItem item)
+
+        public bool GetRezReadySceneObjects(TaskInventoryItem item, out List<SceneObjectGroup> objlist, out List<Vector3> veclist)
         {
             AssetBase rezAsset = m_part.ParentGroup.Scene.AssetService.Get(item.AssetID.ToString());
 
@@ -741,66 +749,54 @@ namespace OpenSim.Region.Framework.Scenes
                 m_log.WarnFormat(
                     "[PRIM INVENTORY]: Could not find asset {0} for inventory item {1} in {2}", 
                     item.AssetID, item.Name, m_part.Name);
-                return null;
+                objlist = null;
+                veclist = null;
+                return false;
             }
 
-            string xmlData = Utils.BytesToString(rezAsset.Data);
-            SceneObjectGroup group = SceneObjectSerializer.FromOriginalXmlFormat(xmlData);
-
-            group.ResetIDs();
+            Vector3 bbox;
+            float offsetHeight;
 
-            SceneObjectPart rootPart = group.GetPart(group.UUID);
+            m_part.ParentGroup.Scene.GetObjectsToRez(rezAsset.Data, false, out objlist, out veclist, out bbox, out offsetHeight);
 
-            // Since renaming the item in the inventory does not affect the name stored
-            // in the serialization, transfer the correct name from the inventory to the
-            // object itself before we rez.
-            rootPart.Name = item.Name;
-            rootPart.Description = item.Description;
+            for (int i = 0; i < objlist.Count; i++)
+            {
+                SceneObjectGroup group = objlist[i];
 
-            SceneObjectPart[] partList = group.Parts;
+                group.ResetIDs();
 
-            group.SetGroup(m_part.GroupID, null);
+                SceneObjectPart rootPart = group.GetPart(group.UUID);
 
-            // TODO: Remove magic number badness
-            if ((rootPart.OwnerID != item.OwnerID) || (item.CurrentPermissions & 16) != 0 || (item.Flags & (uint)InventoryItemFlags.ObjectSlamPerm) != 0) // Magic number
-            {
-                if (m_part.ParentGroup.Scene.Permissions.PropagatePermissions())
+                // Since renaming the item in the inventory does not affect the name stored
+                // in the serialization, transfer the correct name from the inventory to the
+                // object itself before we rez.
+                // Only do these for the first object if we are rezzing a coalescence.
+                if (i == 0)
                 {
-                    foreach (SceneObjectPart part in partList)
-                    {
-                        if ((item.Flags & (uint)InventoryItemFlags.ObjectOverwriteEveryone) != 0)
-                            part.EveryoneMask = item.EveryonePermissions;
-                        if ((item.Flags & (uint)InventoryItemFlags.ObjectOverwriteNextOwner) != 0)
-                            part.NextOwnerMask = item.NextPermissions;
-                        if ((item.Flags & (uint)InventoryItemFlags.ObjectOverwriteGroup) != 0)
-                            part.GroupMask = item.GroupPermissions;
-                    }
-                    
-                    group.ApplyNextOwnerPermissions();
+                    rootPart.Name = item.Name;
+                    rootPart.Description = item.Description;
                 }
-            }
 
-            foreach (SceneObjectPart part in partList)
-            {
-                // TODO: Remove magic number badness
-                if ((part.OwnerID != item.OwnerID) || (item.CurrentPermissions & 16) != 0 || (item.Flags & (uint)InventoryItemFlags.ObjectSlamPerm) != 0) // Magic number
+                group.SetGroup(m_part.GroupID, null);
+
+                foreach (SceneObjectPart part in group.Parts)
                 {
-                    part.LastOwnerID = part.OwnerID;
-                    part.OwnerID = item.OwnerID;
-                    part.Inventory.ChangeInventoryOwner(item.OwnerID);
+                    // Convert between InventoryItem classes. You can never have too many similar but slightly different classes :)
+                    InventoryItemBase dest = new InventoryItemBase(item.ItemID, item.OwnerID);
+                    dest.BasePermissions = item.BasePermissions;
+                    dest.CurrentPermissions = item.CurrentPermissions;
+                    dest.EveryOnePermissions = item.EveryonePermissions;
+                    dest.GroupPermissions = item.GroupPermissions;
+                    dest.NextPermissions = item.NextPermissions;
+                    dest.Flags = item.Flags;
+
+                    part.ApplyPermissionsOnRez(dest, false, m_part.ParentGroup.Scene);
                 }
-                
-                if ((item.Flags & (uint)InventoryItemFlags.ObjectOverwriteEveryone) != 0)
-                    part.EveryoneMask = item.EveryonePermissions;
-                if ((item.Flags & (uint)InventoryItemFlags.ObjectOverwriteNextOwner) != 0)
-                    part.NextOwnerMask = item.NextPermissions;
-                if ((item.Flags & (uint)InventoryItemFlags.ObjectOverwriteGroup) != 0)
-                    part.GroupMask = item.GroupPermissions;
+
+                rootPart.TrimPermissions();
             }
-            
-            rootPart.TrimPermissions(); 
-            
-            return group;
+
+            return true;
         }
         
         /// <summary>
@@ -880,8 +876,8 @@ namespace OpenSim.Region.Framework.Scenes
                 int type = m_items[itemID].InvType;
                 if (type == 10) // Script
                 {
-                    m_part.RemoveScriptEvents(itemID);
-                    m_part.ParentGroup.Scene.EventManager.TriggerRemoveScript(m_part.LocalId, itemID);
+                    // route it through here, to handle script cleanup tasks
+                    RemoveScriptInstance(itemID, false);
                 }
                 m_items.Remove(itemID);
                 m_inventorySerial++;
@@ -1119,25 +1115,6 @@ namespace OpenSim.Region.Framework.Scenes
                         mask &= ~((uint)PermissionMask.Transfer >> 13);
                     if ((item.CurrentPermissions & item.NextPermissions & (uint)PermissionMask.Modify) == 0)
                         mask &= ~((uint)PermissionMask.Modify >> 13);
-
-                    if (item.InvType != (int)InventoryType.Object)
-                    {
-                        if ((item.CurrentPermissions & item.NextPermissions & (uint)PermissionMask.Copy) == 0)
-                            mask &= ~((uint)PermissionMask.Copy >> 13);
-                        if ((item.CurrentPermissions & item.NextPermissions & (uint)PermissionMask.Transfer) == 0)
-                            mask &= ~((uint)PermissionMask.Transfer >> 13);
-                        if ((item.CurrentPermissions & item.NextPermissions & (uint)PermissionMask.Modify) == 0)
-                            mask &= ~((uint)PermissionMask.Modify >> 13);
-                    }
-                    else
-                    {
-                        if ((item.CurrentPermissions & ((uint)PermissionMask.Copy >> 13)) == 0)
-                            mask &= ~((uint)PermissionMask.Copy >> 13);
-                        if ((item.CurrentPermissions & ((uint)PermissionMask.Transfer >> 13)) == 0)
-                            mask &= ~((uint)PermissionMask.Transfer >> 13);
-                        if ((item.CurrentPermissions & ((uint)PermissionMask.Modify >> 13)) == 0)
-                            mask &= ~((uint)PermissionMask.Modify >> 13);
-                    }
     
                     if ((item.CurrentPermissions & (uint)PermissionMask.Copy) == 0)
                         mask &= ~(uint)PermissionMask.Copy;
@@ -1161,14 +1138,11 @@ namespace OpenSim.Region.Framework.Scenes
 //                        "[SCENE OBJECT PART INVENTORY]: Applying next permissions {0} to {1} in {2} with current {3}, base {4}, everyone {5}",
 //                        item.NextPermissions, item.Name, m_part.Name, item.CurrentPermissions, item.BasePermissions, item.EveryonePermissions);
 
-                    if (item.InvType == (int)InventoryType.Object && (item.CurrentPermissions & 7) != 0)
+                    if (item.InvType == (int)InventoryType.Object)
                     {
-                        if ((item.CurrentPermissions & ((uint)PermissionMask.Copy >> 13)) == 0)
-                            item.CurrentPermissions &= ~(uint)PermissionMask.Copy;
-                        if ((item.CurrentPermissions & ((uint)PermissionMask.Transfer >> 13)) == 0)
-                            item.CurrentPermissions &= ~(uint)PermissionMask.Transfer;
-                        if ((item.CurrentPermissions & ((uint)PermissionMask.Modify >> 13)) == 0)
-                            item.CurrentPermissions &= ~(uint)PermissionMask.Modify;
+                        uint perms = item.CurrentPermissions;
+                        PermissionsUtil.ApplyFoldedPermissions(perms, ref perms);
+                        item.CurrentPermissions = perms;
                     }
 
                     item.CurrentPermissions &= item.NextPermissions;
diff --git a/OpenSim/Region/Framework/Scenes/ScenePresence.cs b/OpenSim/Region/Framework/Scenes/ScenePresence.cs
index a90872e..1fddd91 100644
--- a/OpenSim/Region/Framework/Scenes/ScenePresence.cs
+++ b/OpenSim/Region/Framework/Scenes/ScenePresence.cs
@@ -29,16 +29,19 @@ using System;
 using System.Xml;
 using System.Collections.Generic;
 using System.Reflection;
+using System.Threading;
 using System.Timers;
+using Timer = System.Timers.Timer;
 using OpenMetaverse;
 using log4net;
 using Nini.Config;
 using OpenSim.Framework;
 using OpenSim.Framework.Client;
+using OpenSim.Framework.Monitoring;
 using OpenSim.Region.Framework.Interfaces;
 using OpenSim.Region.Framework.Scenes.Animation;
 using OpenSim.Region.Framework.Scenes.Types;
-using OpenSim.Region.Physics.Manager;
+using OpenSim.Region.PhysicsModules.SharedBase;
 using GridRegion = OpenSim.Services.Interfaces.GridRegion;
 using OpenSim.Services.Interfaces;
 using TeleportFlags = OpenSim.Framework.Constants.TeleportFlags;
@@ -63,6 +66,7 @@ namespace OpenSim.Region.Framework.Scenes
 
     struct ScriptControllers
     {
+        public UUID objectID;
         public UUID itemID;
         public ScriptControlled ignoreControls;
         public ScriptControlled eventControls;
@@ -72,21 +76,51 @@ namespace OpenSim.Region.Framework.Scenes
 
     public class ScenePresence : EntityBase, IScenePresence
     {
+        private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
+        private static readonly String LogHeader = "[SCENE PRESENCE]";
+
 //        ~ScenePresence()
 //        {
 //            m_log.DebugFormat("[SCENE PRESENCE]: Destructor called on {0}", Name);
 //        }
 
-        private void TriggerScenePresenceUpdated()
+        public void TriggerScenePresenceUpdated()
         {
             if (m_scene != null)
                 m_scene.EventManager.TriggerScenePresenceUpdated(this);
         }
 
-        private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
-
         public PresenceType PresenceType { get; private set; }
 
+        private ScenePresenceStateMachine m_stateMachine;
+
+        /// <summary>
+        /// The current state of this presence.  Governs only the existence lifecycle.  See ScenePresenceStateMachine
+        /// for more details.
+        /// </summary>
+        public ScenePresenceState LifecycleState 
+        { 
+            get
+            {
+                return m_stateMachine.GetState();
+            }
+
+            set
+            {
+                m_stateMachine.SetState(value);
+            }
+        }
+
+        /// <summary>
+        /// This exists to prevent race conditions between two CompleteMovement threads if the simulator is slow and
+        /// the viewer fires these in quick succession.
+        /// </summary>
+        /// <remarks>
+        /// TODO: The child -> agent transition should be folded into LifecycleState and the CompleteMovement 
+        /// regulation done there.
+        /// </remarks>
+        private object m_completeMovementLock = new object();
+
 //        private static readonly byte[] DEFAULT_TEXTURE = AvatarAppearance.GetDefaultTexture().GetBytes();
         private static readonly Array DIR_CONTROL_FLAGS = Enum.GetValues(typeof(Dir_ControlFlags));
         private static readonly Vector3 HEAD_ADJUSTMENT = new Vector3(0f, 0f, 0.3f);
@@ -99,7 +133,7 @@ namespace OpenSim.Region.Framework.Scenes
         /// rotation, prim cut, prim twist, prim taper, and prim shear. See mantis
         /// issue #1716
         /// </summary>
-        public static readonly Vector3 SIT_TARGET_ADJUSTMENT = new Vector3(0.0f, 0.0f, 0.418f);
+        public static readonly Vector3 SIT_TARGET_ADJUSTMENT = new Vector3(0.0f, 0.0f, 0.4f);
 
         /// <summary>
         /// Movement updates for agents in neighboring regions are sent directly to clients.
@@ -139,6 +173,10 @@ namespace OpenSim.Region.Framework.Scenes
         private Vector3 m_lastPosition;
         private Quaternion m_lastRotation;
         private Vector3 m_lastVelocity;
+        private Vector3 m_lastSize = new Vector3(0.45f,0.6f,1.9f);
+
+        private bool m_followCamAuto = false;
+
 
         private Vector3? m_forceToApply;
         private int m_userFlags;
@@ -196,10 +234,15 @@ namespace OpenSim.Region.Framework.Scenes
         private float m_sitAvatarHeight = 2.0f;
 
         private Vector3 m_lastChildAgentUpdatePosition;
-        private Vector3 m_lastChildAgentUpdateCamPosition;
+//        private Vector3 m_lastChildAgentUpdateCamPosition;
 
         private const int LAND_VELOCITYMAG_MAX = 12;
 
+        private const float FLY_ROLL_MAX_RADIANS = 1.1f;
+
+        private const float FLY_ROLL_RADIANS_PER_UPDATE = 0.06f;
+        private const float FLY_ROLL_RESET_RADIANS_PER_UPDATE = 0.02f;
+
         private float m_health = 100f;
 
         protected ulong crossingFromRegion;
@@ -221,8 +264,6 @@ namespace OpenSim.Region.Framework.Scenes
         /// </summary>
         public bool LandAtTarget { get; private set; }
 
-        private bool m_followCamAuto;
-
         private int m_movementUpdateCount;
         private const int NumMovementsBetweenRayCast = 5;
 
@@ -230,6 +271,10 @@ namespace OpenSim.Region.Framework.Scenes
         //private int m_moveToPositionStateStatus;
         //*****************************************************
 
+        private int m_movementAnimationUpdateCounter = 0;
+
+        public Vector3 PrevSitOffset { get; set; }
+
         protected AvatarAppearance m_appearance;
 
         public AvatarAppearance Appearance
@@ -242,6 +287,8 @@ namespace OpenSim.Region.Framework.Scenes
             }
         }
 
+        public bool SentInitialDataToClient { get; private set; }
+
         /// <summary>
         /// Copy of the script states while the agent is in transit. This state may
         /// need to be placed back in case of transfer fail.
@@ -276,9 +323,43 @@ namespace OpenSim.Region.Framework.Scenes
         /// </summary>
         private Vector3 posLastSignificantMove;
 
-        // For teleports and crossings callbacks
-        string m_callbackURI;
-        UUID m_originRegionID;
+        #region For teleports and crossings callbacks
+
+        /// <summary>
+        /// In the V1 teleport protocol, the destination simulator sends ReleaseAgent to this address.
+        /// </summary>
+        private string m_callbackURI;
+
+        /// <summary>
+        /// Records the region from which this presence originated, if not from login.
+        /// </summary>
+        /// <remarks>
+        /// Also acts as a signal in the teleport V2 process to release UpdateAgent after a viewer has triggered
+        /// CompleteMovement and made the previous child agent a root agent.
+        /// </remarks>
+        private UUID m_originRegionID;
+
+        /// <summary>
+        /// This object is used as a lock before accessing m_originRegionID to make sure that every thread is seeing
+        /// the very latest value and not using some cached version.  Cannot make m_originRegionID itself volatite as
+        /// it is a value type.
+        /// </summary>
+        private object m_originRegionIDAccessLock = new object();
+
+        /// <summary>
+        /// Triggered on entity transfer after to allow CompleteMovement() to proceed after we have received an
+        /// UpdateAgent from the originating region.ddkjjkj
+        /// </summary>
+        private AutoResetEvent m_updateAgentReceivedAfterTransferEvent = new AutoResetEvent(false);
+
+        /// <summary>
+        /// Used by the entity transfer module to signal when the presence should not be closed because a subsequent
+        /// teleport is reusing the connection.
+        /// </summary>
+        /// <remarks>May be refactored or move somewhere else soon.</remarks>
+        public bool DoNotCloseAfterTeleport { get; set; }
+
+        #endregion
 
         /// <value>
         /// Script engines present in the scene
@@ -295,15 +376,17 @@ namespace OpenSim.Region.Framework.Scenes
         /// <summary>
         /// Record user movement inputs.
         /// </summary>
-        public byte MovementFlag { get; private set; }
+        public uint MovementFlag { get; private set; }
 
-        private bool m_updateflag;
+        /// <summary>
+        /// Set this if we need to force a movement update on the next received AgentUpdate from the viewer.
+        /// </summary>
+        private const uint ForceUpdateMovementFlagValue = uint.MaxValue;
 
-        public bool Updated
-        {
-            set { m_updateflag = value; }
-            get { return m_updateflag; }
-        }
+        /// <summary>
+        /// Is the agent stop control flag currently active?
+        /// </summary>
+        public bool AgentControlStopActive { get; private set; }
 
         private bool m_invulnerable = true;
 
@@ -344,6 +427,9 @@ namespace OpenSim.Region.Framework.Scenes
         /// </summary>
         protected Vector3 m_lastCameraPosition;
 
+        private Vector4 m_lastCameraCollisionPlane = new Vector4(0f, 0f, 0f, 1);
+        private bool m_doingCamRayCast = false;
+
         public Vector3 CameraPosition { get; set; }
 
         public Quaternion CameraRotation
@@ -375,7 +461,19 @@ namespace OpenSim.Region.Framework.Scenes
         public string Firstname { get; private set; }
         public string Lastname { get; private set; }
 
-        public string Grouptitle { get; set; }
+        public string Grouptitle
+        {
+            get { return UseFakeGroupTitle ? "(Loading)" : m_groupTitle; }
+            set { m_groupTitle = value; }
+        }
+        private string m_groupTitle;
+
+        /// <summary>
+        /// When this is 'true', return a dummy group title instead of the real group title. This is
+        /// used as part of a hack to force viewers to update the displayed avatar name.
+        /// </summary>
+        public bool UseFakeGroupTitle { get; set; }
+
 
         // Agent's Draw distance.
         public float DrawDistance { get; set; }
@@ -424,7 +522,9 @@ namespace OpenSim.Region.Framework.Scenes
             get { return (IClientCore)ControllingClient; }
         }
 
-        public Vector3 ParentPosition { get; set; }
+        public UUID COF { get; set; }
+
+//        public Vector3 ParentPosition { get; set; }
 
         /// <summary>
         /// Position of this avatar relative to the region the avatar is in
@@ -437,12 +537,13 @@ namespace OpenSim.Region.Framework.Scenes
                 {
                     m_pos = PhysicsActor.Position;
 
-                    //m_log.DebugFormat(
-                    //    "[SCENE PRESENCE]: Set position {0} for {1} in {2} via getting AbsolutePosition!",
-                    //    m_pos, Name, Scene.RegionInfo.RegionName);
+//                    m_log.DebugFormat(
+//                        "[SCENE PRESENCE]: Set position of {0} in {1} to {2} via getting AbsolutePosition!",
+//                        Name, Scene.Name, m_pos);
                 }
                 else
                 {
+//                    m_log.DebugFormat("[SCENE PRESENCE]: Fetching abs pos where PhysicsActor == null and parent part {0} for {1}", Name, Scene.Name);
                     // Obtain the correct position of a seated avatar.
                     // In addition to providing the correct position while
                     // the avatar is seated, this value will also
@@ -459,13 +560,16 @@ namespace OpenSim.Region.Framework.Scenes
                     SceneObjectPart sitPart = ParentPart;
 
                     if (sitPart != null)
-                        return sitPart.AbsolutePosition + (m_pos * sitPart.GetWorldRotation());
+                        return sitPart.ParentGroup.AbsolutePosition + (m_pos * sitPart.GetWorldRotation());
                 }
                 
                 return m_pos;
             }
             set
             {
+//                m_log.DebugFormat("[SCENE PRESENCE]: Setting position of {0} to {1} in {2}", Name, value, Scene.Name);
+//                Util.PrintCallStack();
+
                 if (PhysicsActor != null)
                 {
                     try
@@ -480,10 +584,7 @@ namespace OpenSim.Region.Framework.Scenes
 
                 // Don't update while sitting.  The PhysicsActor above is null whilst sitting.
                 if (ParentID == 0)
-                {
                     m_pos = value;
-                    ParentPosition = Vector3.Zero;
-                }
 
                 //m_log.DebugFormat(
                 //    "[ENTITY BASE]: In {0} set AbsolutePosition of {1} to {2}",
@@ -513,8 +614,11 @@ namespace OpenSim.Region.Framework.Scenes
         }
 
         /// <summary>
-        /// Current velocity of the avatar.
+        /// Velocity of the avatar with respect to its local reference frame.
         /// </summary>
+        /// <remarks>
+        /// So when sat on a vehicle this will be 0.  To get velocity with respect to the world use GetWorldVelocity()
+        /// </remarks>
         public override Vector3 Velocity
         {
             get
@@ -527,11 +631,21 @@ namespace OpenSim.Region.Framework.Scenes
 //                        "[SCENE PRESENCE]: Set velocity {0} for {1} in {2} via getting Velocity!",
 //                        m_velocity, Name, Scene.RegionInfo.RegionName);
                 }
+//                else if (ParentPart != null)
+//                {
+//                    return ParentPart.ParentGroup.Velocity;
+//                }
 
                 return m_velocity;
             }
+
             set
             {
+//                Util.PrintCallStack();
+//                m_log.DebugFormat(
+//                    "[SCENE PRESENCE]: In {0} set velocity of {1} to {2}",
+//                    Scene.RegionInfo.RegionName, Name, value);  
+
                 if (PhysicsActor != null)
                 {
                     try
@@ -544,37 +658,86 @@ namespace OpenSim.Region.Framework.Scenes
                     }
                 }
 
-                m_velocity = value;
-
-//                m_log.DebugFormat(
-//                    "[SCENE PRESENCE]: In {0} set velocity of {1} to {2}",
-//                    Scene.RegionInfo.RegionName, Name, m_velocity);
+                m_velocity = value;                                            
             }
         }
+/*
+        public override Vector3 AngularVelocity
+        {
+            get
+            {
+                if (PhysicsActor != null)
+                {
+                    m_rotationalvelocity = PhysicsActor.RotationalVelocity;
+
+                    //                    m_log.DebugFormat(
+                    //                        "[SCENE PRESENCE]: Set velocity {0} for {1} in {2} via getting Velocity!",
+                    //                        m_velocity, Name, Scene.RegionInfo.RegionName);
+                }
 
+                return m_rotationalvelocity;
+            }
+        }
+*/
         private Quaternion m_bodyRot = Quaternion.Identity;
 
+        /// <summary>
+        /// The rotation of the avatar.
+        /// </summary>
+        /// <remarks>
+        /// If the avatar is not sitting, this is with respect to the world
+        /// If the avatar is sitting, this is a with respect to the part that it's sitting upon (a local rotation).
+        /// If you always want the world rotation, use GetWorldRotation()
+        /// </remarks>
         public Quaternion Rotation
         {
-            get { return m_bodyRot; }
+            get 
+            { 
+                return m_bodyRot; 
+            }
+
             set
             {
                 m_bodyRot = value;
+
                 if (PhysicsActor != null)
                 {
-                    PhysicsActor.Orientation = m_bodyRot;
+                    try
+                    {
+                        PhysicsActor.Orientation = m_bodyRot;
+                    }
+                    catch (Exception e)
+                    {
+                        m_log.Error("[SCENE PRESENCE]: Orientation " + e.Message);
+                    }
                 }
 //                m_log.DebugFormat("[SCENE PRESENCE]: Body rot for {0} set to {1}", Name, m_bodyRot);
             }
         }
 
+        // Used for limited viewer 'fake' user rotations.
+        private Vector3 m_AngularVelocity = Vector3.Zero;
+
+        public Vector3 AngularVelocity
+        {
+            get { return m_AngularVelocity; }
+        }
+
         public bool IsChildAgent { get; set; }
+        public bool IsLoggingIn { get; set; }
 
         /// <summary>
         /// If the avatar is sitting, the local ID of the prim that it's sitting on.  If not sitting then zero.
         /// </summary>
         public uint ParentID { get; set; }
 
+        public UUID ParentUUID
+        {
+            get { return m_parentUUID; }
+            set { m_parentUUID = value; }
+        }
+        private UUID m_parentUUID = UUID.Zero;
+
         /// <summary>
         /// Are we sitting on an object?
         /// </summary>
@@ -595,6 +758,33 @@ namespace OpenSim.Region.Framework.Scenes
             set { m_health = value; }
         }
 
+        /// <summary>
+        /// Get rotation relative to the world.
+        /// </summary>
+        /// <returns></returns>
+        public Quaternion GetWorldRotation()
+        {
+            SceneObjectPart sitPart = ParentPart;
+
+            if (sitPart != null)
+                return sitPart.GetWorldRotation() * Rotation;
+
+            return Rotation;
+        }
+
+        /// <summary>
+        /// Get velocity relative to the world.
+        /// </summary>
+        public Vector3 GetWorldVelocity()
+        {
+            SceneObjectPart sitPart = ParentPart;
+
+            if (sitPart != null)
+                return sitPart.ParentGroup.Velocity;
+
+            return Velocity;
+        }
+
         public void AdjustKnownSeeds()
         {
             Dictionary<ulong, string> seeds;
@@ -608,9 +798,8 @@ namespace OpenSim.Region.Framework.Scenes
             foreach (ulong handle in seeds.Keys)
             {
                 uint x, y;
-                Utils.LongToUInts(handle, out x, out y);
-                x = x / Constants.RegionSize;
-                y = y / Constants.RegionSize;
+                Util.RegionHandleToRegionLoc(handle, out x, out y);
+
                 if (Util.IsOutsideView(DrawDistance, x, Scene.RegionInfo.RegionLocX, y, Scene.RegionInfo.RegionLocY))
                 {
                     old.Add(handle);
@@ -632,18 +821,22 @@ namespace OpenSim.Region.Framework.Scenes
             foreach (KeyValuePair<ulong, string> kvp in KnownRegions)
             {
                 uint x, y;
-                Utils.LongToUInts(kvp.Key, out x, out y);
-                x = x / Constants.RegionSize;
-                y = y / Constants.RegionSize;
+                Util.RegionHandleToRegionLoc(kvp.Key, out x, out y);
                 m_log.Info(" >> "+x+", "+y+": "+kvp.Value);
             }
         }
 
         private bool m_mouseLook;
-        private bool m_leftButtonDown;
+//        private bool m_leftButtonDown;
 
         private bool m_inTransit;
 
+        /// <summary>
+        /// This signals whether the presence is in transit between neighbouring regions.
+        /// </summary>
+        /// <remarks> 
+        /// It is not set when the presence is teleporting or logging in/out directly to a region.
+        /// </remarks>
         public bool IsInTransit
         {
             get { return m_inTransit; }
@@ -667,6 +860,14 @@ namespace OpenSim.Region.Framework.Scenes
             set { m_speedModifier = value; }
         }
 
+        /// <summary>
+        /// Modifier for agent movement if we get an AGENT_CONTROL_STOP whilst walking or running
+        /// </summary>
+        /// <remarks>
+        /// AGENT_CONTRL_STOP comes about if user holds down space key on viewers.
+        /// </remarks>
+        private float AgentControlStopSlowWhilstMoving = 0.5f;
+
         private bool m_forceFly;
 
         public bool ForceFly
@@ -685,23 +886,30 @@ namespace OpenSim.Region.Framework.Scenes
 
         public string Viewer
         {
-            get { return m_scene.AuthenticateHandler.GetAgentCircuitData(ControllingClient.CircuitCode).Viewer; }
+            get { return Util.GetViewerName(m_scene.AuthenticateHandler.GetAgentCircuitData(ControllingClient.CircuitCode)); }
         }
 
+        /// <summary>
+        /// Count of how many terse updates we have sent out.  It doesn't matter if this overflows.
+        /// </summary>
+        private int m_terseUpdateCount;
+
         #endregion
 
         #region Constructor(s)
 
         public ScenePresence(
             IClientAPI client, Scene world, AvatarAppearance appearance, PresenceType type)
-        {
+        {            
             AttachmentsSyncLock = new Object();
             AllowMovement = true;
             IsChildAgent = true;
+            IsLoggingIn = false;
             m_sendCoarseLocationsMethod = SendCoarseLocationsDefault;
             Animator = new ScenePresenceAnimator(this);
             PresenceType = type;
-            DrawDistance = world.DefaultDrawDistance;
+            // DrawDistance = world.DefaultDrawDistance;
+            DrawDistance = Constants.RegionSize;
             RegionHandle = world.RegionInfo.RegionHandle;
             ControllingClient = client;
             Firstname = ControllingClient.FirstName;
@@ -739,12 +947,42 @@ namespace OpenSim.Region.Framework.Scenes
             SetDirectionVectors();
 
             Appearance = appearance;
+
+            m_stateMachine = new ScenePresenceStateMachine(this);
+        }
+
+        private void RegionHeartbeatEnd(Scene scene)
+        {
+            if (IsChildAgent)
+                return;
+
+            m_movementAnimationUpdateCounter ++;
+            if (m_movementAnimationUpdateCounter >= 2)
+            {
+                m_movementAnimationUpdateCounter = 0;
+                if (Animator != null)
+                {
+                    // If the parentID == 0 we are not sitting
+                    // if !SitGournd then we are not sitting on the ground
+                    // Fairly straightforward, now here comes the twist
+                    // if ParentUUID is NOT UUID.Zero, we are looking to
+                    // be sat on an object that isn't there yet. Should
+                    // be treated as if sat.
+                    if(ParentID == 0 && !SitGround && ParentUUID == UUID.Zero) // skip it if sitting
+                        Animator.UpdateMovementAnimations();
+                }
+                else
+                {
+                    m_scene.EventManager.OnRegionHeartbeatEnd -= RegionHeartbeatEnd;
+                }
+            }
         }
 
         public void RegisterToEvents()
         {
             ControllingClient.OnCompleteMovementToRegion += CompleteMovement;
             ControllingClient.OnAgentUpdate += HandleAgentUpdate;
+            ControllingClient.OnAgentCameraUpdate += HandleAgentCamerasUpdate;
             ControllingClient.OnAgentRequestSit += HandleAgentRequestSit;
             ControllingClient.OnAgentSit += HandleAgentSit;
             ControllingClient.OnSetAlwaysRun += HandleSetAlwaysRun;
@@ -772,23 +1010,6 @@ namespace OpenSim.Region.Framework.Scenes
             Dir_Vectors[10] = new Vector3(0f, 0f, -0.5f); //DOWN_Nudge
         }
 
-        private Vector3[] GetWalkDirectionVectors()
-        {
-            Vector3[] vector = new Vector3[11];
-            vector[0] = new Vector3(CameraUpAxis.Z, 0f, -CameraAtAxis.Z); //FORWARD
-            vector[1] = new Vector3(-CameraUpAxis.Z, 0f, CameraAtAxis.Z); //BACK
-            vector[2] = Vector3.UnitY; //LEFT
-            vector[3] = -Vector3.UnitY; //RIGHT
-            vector[4] = new Vector3(CameraAtAxis.Z, 0f, CameraUpAxis.Z); //UP
-            vector[5] = new Vector3(-CameraAtAxis.Z, 0f, -CameraUpAxis.Z); //DOWN
-            vector[6] = new Vector3(CameraUpAxis.Z, 0f, -CameraAtAxis.Z); //FORWARD_NUDGE
-            vector[7] = new Vector3(-CameraUpAxis.Z, 0f, CameraAtAxis.Z); //BACK_NUDGE
-            vector[8] = Vector3.UnitY; //LEFT_NUDGE
-            vector[9] = -Vector3.UnitY; //RIGHT_NUDGE
-            vector[10] = new Vector3(-CameraAtAxis.Z, 0f, -CameraUpAxis.Z); //DOWN_NUDGE
-            return vector;
-        }
-
         #endregion
 
         #region Status Methods
@@ -796,6 +1017,7 @@ namespace OpenSim.Region.Framework.Scenes
         /// <summary>
         /// Turns a child agent into a root agent.
         /// </summary>
+        /// <remarks>
         /// Child agents are logged into neighbouring sims largely to observe changes.  Root agents exist when the
         /// avatar is actual in the sim.  They can perform all actions.
         /// This change is made whenever an avatar enters a region, whether by crossing over from a neighbouring sim,
@@ -803,80 +1025,188 @@ namespace OpenSim.Region.Framework.Scenes
         ///
         /// This method is on the critical path for transferring an avatar from one region to another.  Delay here
         /// delays that crossing.
-        /// </summary>
-        public void MakeRootAgent(Vector3 pos, bool isFlying)
+        /// </remarks>
+        private bool MakeRootAgent(Vector3 pos, bool isFlying)
         {
-            m_log.DebugFormat(
-                "[SCENE]: Upgrading child to root agent for {0} in {1}",
-                Name, m_scene.RegionInfo.RegionName);
+            lock (m_completeMovementLock)
+            {
+                if (!IsChildAgent)
+                    return false;
+
+                //m_log.DebugFormat("[SCENE]: known regions in {0}: {1}", Scene.RegionInfo.RegionName, KnownChildRegionHandles.Count);
+
+    //            m_log.InfoFormat(
+    //                "[SCENE]: Upgrading child to root agent for {0} in {1}",
+    //                Name, m_scene.RegionInfo.RegionName);
+
+                if (ParentUUID != UUID.Zero)
+                {
+                    m_log.DebugFormat("[SCENE PRESENCE]: Sitting avatar back on prim {0}", ParentUUID);
+                    SceneObjectPart part = m_scene.GetSceneObjectPart(ParentUUID);
+                    if (part == null)
+                    {
+                        m_log.ErrorFormat("[SCENE PRESENCE]: Can't find prim {0} to sit on", ParentUUID);
+                    }
+                    else
+                    {
+                        part.AddSittingAvatar(this);
+    //                    ParentPosition = part.GetWorldPosition();
+                        ParentID = part.LocalId;
+                        ParentPart = part;
+                        m_pos = PrevSitOffset;
+    //                    pos = ParentPosition;
+                        pos = part.GetWorldPosition();
+                    }
+                    ParentUUID = UUID.Zero;
+
+    //                Animator.TrySetMovementAnimation("SIT");
+                }
+                else
+                {
+                    IsLoggingIn = false;
+                }
 
-            //m_log.DebugFormat("[SCENE]: known regions in {0}: {1}", Scene.RegionInfo.RegionName, KnownChildRegionHandles.Count);
+                IsChildAgent = false;
+            }
 
-            bool wasChild = IsChildAgent;
-            IsChildAgent = false;
+            // Must reset this here so that a teleport to a region next to an existing region does not keep the flag
+            // set and prevent the close of the connection on a subsequent re-teleport.
+            // Should not be needed if we are not trying to tell this region to close
+//            DoNotCloseAfterTeleport = false;
 
             IGroupsModule gm = m_scene.RequestModuleInterface<IGroupsModule>();
             if (gm != null)
                 Grouptitle = gm.GetGroupTitle(m_uuid);
 
+            AgentCircuitData aCircuit = m_scene.AuthenticateHandler.GetAgentCircuitData(ControllingClient.CircuitCode);
+            uint teleportFlags = (aCircuit == null) ? 0 : aCircuit.teleportFlags;
+            if ((teleportFlags & (uint)TeleportFlags.ViaHGLogin) != 0)
+            {
+                // The avatar is arriving from another grid. This means that we may have changed the
+                // avatar's name to or from the special Hypergrid format ("First.Last @grid.example.com").
+                // Unfortunately, due to a viewer bug, viewers don't always show the new name.
+                // But we have a trick that can force them to update the name anyway.
+                ForceViewersUpdateName();
+            }
+
             RegionHandle = m_scene.RegionInfo.RegionHandle;
 
             m_scene.EventManager.TriggerSetRootAgentScene(m_uuid, m_scene);
 
-            // Moved this from SendInitialData to ensure that Appearance is initialized
-            // before the inventory is processed in MakeRootAgent. This fixes a race condition
-            // related to the handling of attachments
-            //m_scene.GetAvatarAppearance(ControllingClient, out Appearance);
-            if (m_scene.TestBorderCross(pos, Cardinals.E))
+            UUID groupUUID = ControllingClient.ActiveGroupId;
+            string groupName = string.Empty;
+            ulong groupPowers = 0;
+
+            // ----------------------------------
+            // Previous Agent Difference - AGNI sends an unsolicited AgentDataUpdate upon root agent status
+            try
             {
-                Border crossedBorder = m_scene.GetCrossedBorder(pos, Cardinals.E);
-                pos.X = crossedBorder.BorderLine.Z - 1;
-            }
+                if (groupUUID != UUID.Zero && gm != null)
+                {
+                    GroupRecord record = gm.GetGroupRecord(groupUUID);
+                    if (record != null)
+                        groupName = record.GroupName;
+
+                    GroupMembershipData groupMembershipData = gm.GetMembershipData(groupUUID, m_uuid);
 
-            if (m_scene.TestBorderCross(pos, Cardinals.N))
+                    if (groupMembershipData != null)
+                        groupPowers = groupMembershipData.GroupPowers;
+                }
+
+                ControllingClient.SendAgentDataUpdate(
+                    m_uuid, groupUUID, Firstname, Lastname, groupPowers, groupName, Grouptitle);
+            }
+            catch (Exception e)
             {
-                Border crossedBorder = m_scene.GetCrossedBorder(pos, Cardinals.N);
-                pos.Y = crossedBorder.BorderLine.Z - 1;
+                m_log.Error("[AGENTUPDATE]: Error ", e);
             }
+            // ------------------------------------
 
-            CheckAndAdjustLandingPoint(ref pos);
-
-            if (pos.X < 0f || pos.Y < 0f || pos.Z < 0f)
+            if (ParentID == 0)
             {
-                m_log.WarnFormat(
-                    "[SCENE PRESENCE]: MakeRootAgent() was given an illegal position of {0} for avatar {1}, {2}. Clamping",
-                    pos, Name, UUID);
+                // Moved this from SendInitialData to ensure that Appearance is initialized
+                // before the inventory is processed in MakeRootAgent. This fixes a race condition
+                // related to the handling of attachments
+                //m_scene.GetAvatarAppearance(ControllingClient, out Appearance);
+
+                /* RA 20140111: Commented out these TestBorderCross's.
+                 * Not sure why this code is here. It is not checking all the borders
+                 * and 'in region' sanity checking is done in CheckAndAdjustLandingPoint and below.
+                if (m_scene.TestBorderCross(pos, Cardinals.E))
+                {
+                    Border crossedBorder = m_scene.GetCrossedBorder(pos, Cardinals.E);
+                    pos.X = crossedBorder.BorderLine.Z - 1;
+                }
 
-                if (pos.X < 0f) pos.X = 0f;
-                if (pos.Y < 0f) pos.Y = 0f;
-                if (pos.Z < 0f) pos.Z = 0f;
-            }
+                if (m_scene.TestBorderCross(pos, Cardinals.N))
+                {
+                    Border crossedBorder = m_scene.GetCrossedBorder(pos, Cardinals.N);
+                    pos.Y = crossedBorder.BorderLine.Z - 1;
+                }
+                 */
 
-            float localAVHeight = 1.56f;
-            if (Appearance.AvatarHeight > 0)
-                localAVHeight = Appearance.AvatarHeight;
+                CheckAndAdjustLandingPoint(ref pos);
 
-            float posZLimit = 0;
+                if (pos.X < 0f || pos.Y < 0f || pos.Z < 0f)
+                {
+                    m_log.WarnFormat(
+                        "[SCENE PRESENCE]: MakeRootAgent() was given an illegal position of {0} for avatar {1}, {2}. Clamping",
+                        pos, Name, UUID);
 
-            if (pos.X < Constants.RegionSize && pos.Y < Constants.RegionSize)
-                posZLimit = (float)m_scene.Heightmap[(int)pos.X, (int)pos.Y];
-            
-            float newPosZ = posZLimit + localAVHeight / 2;
-            if (posZLimit >= (pos.Z - (localAVHeight / 2)) && !(Single.IsInfinity(newPosZ) || Single.IsNaN(newPosZ)))
-            {
-                pos.Z = newPosZ;
-            }
-            AbsolutePosition = pos;
+                    if (pos.X < 0f) pos.X = 0f;
+                    if (pos.Y < 0f) pos.Y = 0f;
+                    if (pos.Z < 0f) pos.Z = 0f;
+                }
 
-            AddToPhysicalScene(isFlying);
+                float localAVHeight = 1.56f;
+                if (Appearance.AvatarHeight > 0)
+                    localAVHeight = Appearance.AvatarHeight;
 
-            if (ForceFly)
-            {
-                Flying = true;
-            }
-            else if (FlyDisabled)
-            {
-                Flying = false;
+                float posZLimit = 0;
+
+                if (pos.X < m_scene.RegionInfo.RegionSizeX && pos.Y < m_scene.RegionInfo.RegionSizeY)
+                    posZLimit = (float)m_scene.Heightmap[(int)pos.X, (int)pos.Y];
+                
+                float newPosZ = posZLimit + localAVHeight / 2;
+                if (posZLimit >= (pos.Z - (localAVHeight / 2)) && !(Single.IsInfinity(newPosZ) || Single.IsNaN(newPosZ)))
+                {
+                    pos.Z = newPosZ;
+                }
+                AbsolutePosition = pos;
+
+//                m_log.DebugFormat(
+//                    "Set pos {0}, vel {1} in {1} to {2} from input position of {3} on MakeRootAgent", 
+//                    Name, Scene.Name, AbsolutePosition, pos);
+//
+                if (m_teleportFlags == TeleportFlags.Default)
+                {
+                    AddToPhysicalScene(isFlying);
+//
+//                        Console.WriteLine(
+//                            "Set velocity of {0} in {1} to {2} from input velocity of {3} on MakeRootAgent", 
+//                            Name, Scene.Name, PhysicsActor.Velocity, vel);
+//                    }
+                }
+                else
+                {
+                    AddToPhysicalScene(isFlying);
+                }
+
+                // XXX: This is to trigger any secondary teleport needed for a megaregion when the user has teleported to a 
+                // location outside the 'root region' (the south-west 256x256 corner).  This is the earlist we can do it
+                // since it requires a physics actor to be present.  If it is left any later, then physics appears to reset
+                // the value to a negative position which does not trigger the border cross.
+                // This may not be the best location for this.
+                CheckForBorderCrossing();
+
+                if (ForceFly)
+                {
+                    Flying = true;
+                }
+                else if (FlyDisabled)
+                {
+                    Flying = false;
+                }
             }
 
             // Don't send an animation pack here, since on a region crossing this will sometimes cause a flying 
@@ -886,26 +1216,33 @@ namespace OpenSim.Region.Framework.Scenes
 
             m_scene.SwapRootAgentCount(false);
 
-            // The initial login scene presence is already root when it gets here
-            // and it has already rezzed the attachments and started their scripts.
-            // We do the following only for non-login agents, because their scripts
-            // haven't started yet.
-            lock (m_attachments)
+            if (Scene.AttachmentsModule != null)
             {
-                if (wasChild && HasAttachments())
+                // The initial login scene presence is already root when it gets here
+                // and it has already rezzed the attachments and started their scripts.
+                // We do the following only for non-login agents, because their scripts
+                // haven't started yet.
+                if (PresenceType == PresenceType.Npc || IsRealLogin(m_teleportFlags))
                 {
-                    m_log.DebugFormat(
-                        "[SCENE PRESENCE]: Restarting scripts in attachments for {0} in {1}", Name, Scene.Name);
-                    
-                    // Resume scripts
-                    foreach (SceneObjectGroup sog in m_attachments)
-                    {
-                        sog.RootPart.ParentGroup.CreateScriptInstances(0, false, m_scene.DefaultScriptEngine, GetStateSource());
-                        sog.ResumeScripts();
-                    }
+                    WorkManager.RunJob(
+                        "RezAttachments",
+                        o => Scene.AttachmentsModule.RezAttachments(this),
+                        null,
+                        string.Format("Rez attachments for {0} in {1}", Name, Scene.Name));
+                }
+                else
+                {
+                    WorkManager.RunJob(
+                        "StartAttachmentScripts",
+                        o => RestartAttachmentScripts(),
+                        null,
+                        string.Format("Start attachment scripts for {0} in {1}", Name, Scene.Name),
+                        true);
                 }
             }
 
+            SendAvatarDataToAllClients();
+
             // send the animations of the other presences to me
             m_scene.ForEachRootScenePresence(delegate(ScenePresence presence)
             {
@@ -916,9 +1253,75 @@ namespace OpenSim.Region.Framework.Scenes
             // If we don't reset the movement flag here, an avatar that crosses to a neighbouring sim and returns will
             // stall on the border crossing since the existing child agent will still have the last movement
             // recorded, which stops the input from being processed.
-            MovementFlag = 0;
+            MovementFlag = ForceUpdateMovementFlagValue;
 
             m_scene.EventManager.TriggerOnMakeRootAgent(this);
+
+            return true;
+        }
+
+        private void RestartAttachmentScripts()
+        {
+            // We need to restart scripts here so that they receive the correct changed events (CHANGED_TELEPORT
+            // and CHANGED_REGION) when the attachments have been rezzed in the new region.  This cannot currently
+            // be done in AttachmentsModule.CopyAttachments(AgentData ad, IScenePresence sp) itself since we are
+            // not transporting the required data.
+            //
+            // We must take a copy of the attachments list here (rather than locking) to avoid a deadlock where a script in one of
+            // the attachments may start processing an event (which locks ScriptInstance.m_Script) that then calls a method here
+            // which needs to lock m_attachments.  ResumeScripts() needs to take a ScriptInstance.m_Script lock to try to unset the Suspend status.
+            //
+            // FIXME: In theory, this deadlock should not arise since scripts should not be processing events until ResumeScripts().
+            // But XEngine starts all scripts unsuspended.  Starting them suspended will not currently work because script rezzing
+            // is placed in an asynchronous queue in XEngine and so the ResumeScripts() call will almost certainly execute before the
+            // script is rezzed.  This means the ResumeScripts() does absolutely nothing when using XEngine.
+            List<SceneObjectGroup> attachments = GetAttachments();
+
+            m_log.DebugFormat(
+                "[SCENE PRESENCE]: Restarting scripts in {0} attachments for {1} in {2}", attachments.Count, Name, Scene.Name);
+
+            // Resume scripts
+            foreach (SceneObjectGroup sog in attachments)
+            {
+                sog.ScheduleGroupForFullUpdate();
+                sog.RootPart.ParentGroup.CreateScriptInstances(0, false, m_scene.DefaultScriptEngine, GetStateSource());
+                sog.ResumeScripts();
+            }
+        }
+
+        private static bool IsRealLogin(TeleportFlags teleportFlags)
+        {
+            return ((teleportFlags & TeleportFlags.ViaLogin) != 0) && ((teleportFlags & TeleportFlags.ViaHGLogin) == 0);
+        }
+
+        /// <summary>
+        /// Force viewers to show the avatar's current name.
+        /// </summary>
+        /// <remarks>
+        /// The avatar name that is shown above the avatar in the viewers is sent in ObjectUpdate packets,
+        /// and they get the name from the ScenePresence. Unfortunately, viewers have a bug (as of April 2014)
+        /// where they ignore changes to the avatar name. However, tey don't ignore changes to the avatar's
+        /// Group Title. So the following trick makes viewers update the avatar's name by briefly changing
+        /// the group title (to "(Loading)"), and then restoring it.
+        /// </remarks>
+        public void ForceViewersUpdateName()
+        {
+            m_log.DebugFormat("[SCENE PRESENCE]: Forcing viewers to update the avatar name for " + Name);
+
+            UseFakeGroupTitle = true;
+            SendAvatarDataToAllClients(false);
+
+            Util.FireAndForget(o =>
+            {
+                // Viewers only update the avatar name when idle. Therefore, we must wait long
+                // enough for the viewer to show the fake name that we had set above, and only
+                // then switch back to the true name. This delay was chosen because it has a high
+                // chance of succeeding (we don't want to choose a value that's too low).
+                Thread.Sleep(5000);
+
+                UseFakeGroupTitle = false;
+                SendAvatarDataToAllClients(false);
+            }, null, "Scenepresence.ForceViewersUpdateName");
         }
 
         public int GetStateSource()
@@ -946,12 +1349,21 @@ namespace OpenSim.Region.Framework.Scenes
         /// </remarks>
         public void MakeChildAgent()
         {
+            m_scene.EventManager.OnRegionHeartbeatEnd -= RegionHeartbeatEnd;
+
             m_log.DebugFormat("[SCENE PRESENCE]: Making {0} a child agent in {1}", Name, Scene.RegionInfo.RegionName);
 
+            // Reset the m_originRegionID as it has dual use as a flag to signal that the UpdateAgent() call orignating
+            // from the source simulator has completed on a V2 teleport.
+            lock (m_originRegionIDAccessLock)
+                m_originRegionID = UUID.Zero;
+
             // Reset these so that teleporting in and walking out isn't seen
             // as teleporting back
             TeleportFlags = TeleportFlags.Default;
 
+            MovementFlag = 0;
+
             // It looks like Animator is set to null somewhere, and MakeChild
             // is called after that. Probably in aborted teleports.
             if (Animator == null)
@@ -959,6 +1371,7 @@ namespace OpenSim.Region.Framework.Scenes
             else
                 Animator.ResetAnimations();
 
+            
 //            m_log.DebugFormat(
 //                 "[SCENE PRESENCE]: Downgrading root agent {0}, {1} to a child agent in {2}",
 //                 Name, UUID, m_scene.RegionInfo.RegionName);
@@ -970,6 +1383,7 @@ namespace OpenSim.Region.Framework.Scenes
             IsChildAgent = true;
             m_scene.SwapRootAgentCount(true);
             RemoveFromPhysicalScene();
+            ParentID = 0; // Child agents can't be sitting
 
             // FIXME: Set RegionHandle to the region handle of the scene this agent is moving into
             
@@ -984,10 +1398,10 @@ namespace OpenSim.Region.Framework.Scenes
             if (PhysicsActor != null)
             {
 //                PhysicsActor.OnRequestTerseUpdate -= SendTerseUpdateToAllClients;
-                PhysicsActor.OnOutOfBounds -= OutOfBoundsCall;
-                m_scene.PhysicsScene.RemoveAvatar(PhysicsActor);
                 PhysicsActor.UnSubscribeEvents();
+                PhysicsActor.OnOutOfBounds -= OutOfBoundsCall;
                 PhysicsActor.OnCollisionUpdate -= PhysicsCollisionUpdate;
+                m_scene.PhysicsScene.RemoveAvatar(PhysicsActor);
                 PhysicsActor = null;
             }
 //            else
@@ -1004,7 +1418,7 @@ namespace OpenSim.Region.Framework.Scenes
         /// <param name="pos"></param>
         public void Teleport(Vector3 pos)
         {
-            TeleportWithMomentum(pos, null);
+            TeleportWithMomentum(pos, Vector3.Zero);
         }
 
         public void TeleportWithMomentum(Vector3 pos, Vector3? v)
@@ -1024,14 +1438,141 @@ namespace OpenSim.Region.Framework.Scenes
                 else
                     PhysicsActor.SetMomentum(vel);
             }
+        }
 
-            SendTerseUpdateToAllClients();
+        public void avnLocalTeleport(Vector3 newpos, Vector3? newvel, bool rotateToVelXY)
+        {
+            CheckLandingPoint(ref newpos);
+            AbsolutePosition = newpos;
+
+            if (newvel.HasValue)
+            {
+                if ((Vector3)newvel == Vector3.Zero)
+                {
+                    if (PhysicsActor != null)
+                        PhysicsActor.SetMomentum(Vector3.Zero);
+                    m_velocity = Vector3.Zero;
+                }
+                else
+                {
+                    if (PhysicsActor != null)
+                        PhysicsActor.SetMomentum((Vector3)newvel);
+                    m_velocity = (Vector3)newvel;
+
+                    if (rotateToVelXY)
+                    {
+                        Vector3 lookAt = (Vector3)newvel;
+                        lookAt.Z = 0;
+                        lookAt.Normalize();
+                        ControllingClient.SendLocalTeleport(newpos, lookAt, (uint)TeleportFlags.ViaLocation);
+                        return;
+                    }
+                }
+            }
         }
 
         public void StopFlying()
         {
-            ControllingClient.StopFlying(this);
+            Vector3 pos = AbsolutePosition; 
+            if (Appearance.AvatarHeight != 127.0f)
+                pos += new Vector3(0f, 0f, (Appearance.AvatarHeight / 6f));
+            else
+                pos += new Vector3(0f, 0f, (1.56f / 6f));
+
+            AbsolutePosition = pos;
+
+            // attach a suitable collision plane regardless of the actual situation to force the LLClient to land.
+            // Collision plane below the avatar's position a 6th of the avatar's height is suitable.
+            // Mind you, that this method doesn't get called if the avatar's velocity magnitude is greater then a
+            // certain amount..   because the LLClient wouldn't land in that situation anyway.
+
+            // why are we still testing for this really old height value default???
+            if (Appearance.AvatarHeight != 127.0f)
+                CollisionPlane = new Vector4(0, 0, 0, pos.Z - Appearance.AvatarHeight / 6f);
+            else
+                CollisionPlane = new Vector4(0, 0, 0, pos.Z - (1.56f / 6f));
+
+            ControllingClient.SendAgentTerseUpdate(this);
+        }
+
+        /// <summary>
+        /// Applies a roll accumulator to the avatar's angular velocity for the avatar fly roll effect.
+        /// </summary>
+        /// <param name="amount">Postive or negative roll amount in radians</param>
+        private void ApplyFlyingRoll(float amount, bool PressingUp, bool PressingDown)
+        {
+            
+            float rollAmount = Util.Clamp(m_AngularVelocity.Z + amount, -FLY_ROLL_MAX_RADIANS, FLY_ROLL_MAX_RADIANS);
+            m_AngularVelocity.Z = rollAmount;
+
+            // APPLY EXTRA consideration for flying up and flying down during this time.
+            // if we're turning left
+            if (amount > 0)
+            {
+
+                // If we're at the max roll and pressing up, we want to swing BACK a bit
+                // Automatically adds noise
+                if (PressingUp)
+                {
+                    if (m_AngularVelocity.Z >= FLY_ROLL_MAX_RADIANS - 0.04f)
+                        m_AngularVelocity.Z -= 0.9f;
+                }
+                // If we're at the max roll and pressing down, we want to swing MORE a bit
+                if (PressingDown)
+                {
+                    if (m_AngularVelocity.Z >= FLY_ROLL_MAX_RADIANS && m_AngularVelocity.Z < FLY_ROLL_MAX_RADIANS + 0.6f)
+                        m_AngularVelocity.Z += 0.6f;
+                }
+            }
+            else  // we're turning right.
+            {
+                // If we're at the max roll and pressing up, we want to swing BACK a bit
+                // Automatically adds noise
+                if (PressingUp)
+                {
+                    if (m_AngularVelocity.Z <= (-FLY_ROLL_MAX_RADIANS))
+                        m_AngularVelocity.Z += 0.6f;
+                }
+                // If we're at the max roll and pressing down, we want to swing MORE a bit
+                if (PressingDown)
+                {
+                    if (m_AngularVelocity.Z >= -FLY_ROLL_MAX_RADIANS - 0.6f)
+                        m_AngularVelocity.Z -= 0.6f;
+                }
+            }
+        }
+
+        /// <summary>
+        /// incrementally sets roll amount to zero
+        /// </summary>
+        /// <param name="amount">Positive roll amount in radians</param>
+        /// <returns></returns>
+        private float CalculateFlyingRollResetToZero(float amount)
+        {
+            const float rollMinRadians = 0f;
+
+            if (m_AngularVelocity.Z > 0)
+            {
+                
+                float leftOverToMin = m_AngularVelocity.Z - rollMinRadians;
+                if (amount > leftOverToMin)
+                    return -leftOverToMin;
+                else
+                    return -amount;
+
+            }
+            else
+            {
+                
+                float leftOverToMin = -m_AngularVelocity.Z - rollMinRadians;
+                if (amount > leftOverToMin)
+                    return leftOverToMin;
+                else
+                    return amount;
+            }
         }
+        
+
 
         // neighbouring regions we have enabled a child agent in
         // holds the seed cap for the child agent in that region
@@ -1118,6 +1659,40 @@ namespace OpenSim.Region.Framework.Scenes
                 PhysicsActor.Size = new Vector3(0.45f, 0.6f, height);
         }
 
+        public void SetSize(Vector3 size, float feetoffset)
+        {
+            if (PhysicsActor != null && !IsChildAgent)
+            {
+                // Eventually there will be a physics call that sets avatar size that includes offset info.
+                // For the moment, just set the size as passed.
+                PhysicsActor.Size = size;
+                //  PhysicsActor.setAvatarSize(size, feetoffset);
+            }            
+        }
+
+        private bool WaitForUpdateAgent(IClientAPI client)
+        {
+            // Before the source region executes UpdateAgent
+            // (which triggers Scene.IncomingUpdateChildAgent(AgentData cAgentData) here in the destination, 
+            // m_originRegionID is UUID.Zero; after, it's non-Zero.  The CompleteMovement sequence initiated from the
+            // viewer (in turn triggered by the source region sending it a TeleportFinish event) waits until it's non-zero
+            m_updateAgentReceivedAfterTransferEvent.WaitOne(10000);
+
+            UUID originID = UUID.Zero;           
+
+            lock (m_originRegionIDAccessLock)
+                originID = m_originRegionID;           
+
+            if (originID.Equals(UUID.Zero))
+            {
+                // Movement into region will fail
+                m_log.WarnFormat("[SCENE PRESENCE]: Update agent {0} never arrived in {1}", client.Name, Scene.Name);
+                return false;
+            }
+
+            return true;
+        }
+
         /// <summary>
         /// Complete Avatar's movement into the region.
         /// </summary>
@@ -1131,74 +1706,131 @@ namespace OpenSim.Region.Framework.Scenes
         {
 //            DateTime startTime = DateTime.Now;
 
-            m_log.DebugFormat(
+            m_log.InfoFormat(
                 "[SCENE PRESENCE]: Completing movement of {0} into region {1} in position {2}",
-                client.Name, Scene.RegionInfo.RegionName, AbsolutePosition);
+                client.Name, Scene.Name, AbsolutePosition);
 
-            Vector3 look = Velocity;
+            bool flying = ((m_AgentControlFlags & AgentManager.ControlFlags.AGENT_CONTROL_FLY) != 0);   // Get this ahead of time because IsInTransit modifies 'm_AgentControlFlags'
 
-            if ((look.X == 0) && (look.Y == 0) && (look.Z == 0))
+            IsInTransit = true;
+            try
             {
-                look = new Vector3(0.99f, 0.042f, 0);
-            }
+                // Make sure it's not a login agent. We don't want to wait for updates during login
+                if (!(PresenceType == PresenceType.Npc || IsRealLogin(m_teleportFlags)))
+                {
+                    // Let's wait until UpdateAgent (called by departing region) is done
+                    if (!WaitForUpdateAgent(client))
+                        // The sending region never sent the UpdateAgent data, we have to refuse
+                        return;
+                }
 
-            // Prevent teleporting to an underground location
-            // (may crash client otherwise)
-            //
-            Vector3 pos = AbsolutePosition;
-            float ground = m_scene.GetGroundHeight(pos.X, pos.Y);
-            if (pos.Z < ground + 1.5f)
-            {
-                pos.Z = ground + 1.5f;
-                AbsolutePosition = pos;
-            }
+                Vector3 look = Velocity;
 
-            bool flying = ((m_AgentControlFlags & AgentManager.ControlFlags.AGENT_CONTROL_FLY) != 0);
-            MakeRootAgent(AbsolutePosition, flying);
-            ControllingClient.MoveAgentIntoRegion(m_scene.RegionInfo, AbsolutePosition, look);
+                //            if ((look.X == 0) && (look.Y == 0) && (look.Z == 0))
+                if ((Math.Abs(look.X) < 0.1) && (Math.Abs(look.Y) < 0.1) && (Math.Abs(look.Z) < 0.1))
+                {
+                    look = new Vector3(0.99f, 0.042f, 0);
+                }
 
-//            m_log.DebugFormat("[SCENE PRESENCE] Completed movement");
+                // Prevent teleporting to an underground location
+                // (may crash client otherwise)
+                //
+                Vector3 pos = AbsolutePosition;
+                float ground = m_scene.GetGroundHeight(pos.X, pos.Y);
+                if (pos.Z < ground + 1.5f)
+                {
+                    pos.Z = ground + 1.5f;
+                    AbsolutePosition = pos;
+                }
 
-            if ((m_callbackURI != null) && !m_callbackURI.Equals(""))
-            {
-                // We cannot sleep here since this would hold up the inbound packet processing thread, as
-                // CompleteMovement() is executed synchronously.  However, it might be better to delay the release
-                // here until we know for sure that the agent is active in this region.  Sending AgentMovementComplete
-                // is not enough for Imprudence clients - there appears to be a small delay (<200ms, <500ms) until they regard this
-                // region as the current region, meaning that a close sent before then will fail the teleport.
-//                System.Threading.Thread.Sleep(2000);
+                if (!MakeRootAgent(AbsolutePosition, flying))
+                {
+                    m_log.DebugFormat(
+                        "[SCENE PRESENCE]: Aborting CompleteMovement call for {0} in {1} as they are already root", 
+                        Name, Scene.Name);
 
-                m_log.DebugFormat(
-                    "[SCENE PRESENCE]: Releasing {0} {1} with callback to {2}",
-                    client.Name, client.AgentId, m_callbackURI);
+                    return;
+                }
 
-                Scene.SimulationService.ReleaseAgent(m_originRegionID, UUID, m_callbackURI);
-                m_callbackURI = null;
-            }
-//            else
-//            {
-//                m_log.DebugFormat(
-//                    "[SCENE PRESENCE]: No callback provided on CompleteMovement of {0} {1} to {2}",
-//                    client.Name, client.AgentId, m_scene.RegionInfo.RegionName);
-//            }
+                // Tell the client that we're totally ready
+                ControllingClient.MoveAgentIntoRegion(m_scene.RegionInfo, AbsolutePosition, look);
 
-            ValidateAndSendAppearanceAndAgentData();
+                // Child agents send initial data up in LLUDPServer.HandleUseCircuitCode()
+                if (!SentInitialDataToClient)
+                    SendInitialDataToClient();
 
-            // Create child agents in neighbouring regions
-            if (openChildAgents && !IsChildAgent)
-            {
-                IEntityTransferModule m_agentTransfer = m_scene.RequestModuleInterface<IEntityTransferModule>();
-                if (m_agentTransfer != null)
-                    Util.FireAndForget(delegate { m_agentTransfer.EnableChildAgents(this); });
+    //            m_log.DebugFormat("[SCENE PRESENCE] Completed movement");
+
+                if (!string.IsNullOrEmpty(m_callbackURI))
+                {
+                    // We cannot sleep here since this would hold up the inbound packet processing thread, as
+                    // CompleteMovement() is executed synchronously.  However, it might be better to delay the release
+                    // here until we know for sure that the agent is active in this region.  Sending AgentMovementComplete
+                    // is not enough for Imprudence clients - there appears to be a small delay (<200ms, <500ms) until they regard this
+                    // region as the current region, meaning that a close sent before then will fail the teleport.
+    //                System.Threading.Thread.Sleep(2000);
+
+                    m_log.DebugFormat(
+                        "[SCENE PRESENCE]: Releasing {0} {1} with callback to {2}",
+                        client.Name, client.AgentId, m_callbackURI);
+
+                    Scene.SimulationService.ReleaseAgent(m_originRegionID, UUID, m_callbackURI);
+                    m_callbackURI = null;
+                }
+    //            else
+    //            {
+    //                m_log.DebugFormat(
+    //                    "[SCENE PRESENCE]: No callback provided on CompleteMovement of {0} {1} to {2}",
+    //                    client.Name, client.AgentId, m_scene.RegionInfo.RegionName);
+    //            }
+
+                ValidateAndSendAppearanceAndAgentData();
 
-                IFriendsModule friendsModule = m_scene.RequestModuleInterface<IFriendsModule>();
-                if (friendsModule != null)
-                    friendsModule.SendFriendsOnlineIfNeeded(ControllingClient);
+                // Create child agents in neighbouring regions
+                if (openChildAgents && !IsChildAgent)
+                {
+                    IEntityTransferModule m_agentTransfer = m_scene.RequestModuleInterface<IEntityTransferModule>();
+                    if (m_agentTransfer != null)
+                    {
+                        // Note: this call can take a while, because it notifies each of the simulator's neighbours.
+                        // It's important that we don't allow the avatar to cross regions meanwhile, as that will
+                        // cause serious errors. We've prevented that from happening by setting IsInTransit=true.
+                        m_agentTransfer.EnableChildAgents(this);
+                    }
+
+                    IFriendsModule friendsModule = m_scene.RequestModuleInterface<IFriendsModule>();
+                    if (friendsModule != null)
+                        friendsModule.SendFriendsOnlineIfNeeded(ControllingClient);
+
+                }
+
+                // XXX: If we force an update after activity has completed, then multiple attachments do appear correctly on a destination region
+                // If we do it a little bit earlier (e.g. when converting the child to a root agent) then this does not work.
+                // This may be due to viewer code or it may be something we're not doing properly simulator side.
+                WorkManager.RunJob(
+                    "ScheduleAttachmentsForFullUpdate", 
+                    o => ScheduleAttachmentsForFullUpdate(),
+                    null,
+                    string.Format("Schedule attachments for full update for {0} in {1}", Name, Scene.Name),
+                    true);
+
+    //            m_log.DebugFormat(
+    //                "[SCENE PRESENCE]: Completing movement of {0} into region {1} took {2}ms", 
+    //                client.Name, Scene.RegionInfo.RegionName, (DateTime.Now - startTime).Milliseconds);
             }
+            finally
+            {
+                IsInTransit = false;
+            }
+        }
 
-//            m_log.DebugFormat(
-//                "[SCENE PRESENCE]: Completing movement of {0} into region {1} took {2}ms", 
-//                client.Name, Scene.RegionInfo.RegionName, (DateTime.Now - startTime).Milliseconds);
+        private void ScheduleAttachmentsForFullUpdate()
+        {
+            lock (m_attachments)
+            {
+                foreach (SceneObjectGroup sog in m_attachments)
+                    sog.ScheduleGroupForFullUpdate();
+            }
         }
 
         /// <summary>
@@ -1209,36 +1841,69 @@ namespace OpenSim.Region.Framework.Scenes
         /// <param name="collisionPoint"></param>
         /// <param name="localid"></param>
         /// <param name="distance"></param>
+        /// 
+
+        private void UpdateCameraCollisionPlane(Vector4 plane)
+        {
+            if (m_lastCameraCollisionPlane != plane)
+            {
+                m_lastCameraCollisionPlane = plane;
+                ControllingClient.SendCameraConstraint(plane);
+            }
+        }
+
         public void RayCastCameraCallback(bool hitYN, Vector3 collisionPoint, uint localid, float distance, Vector3 pNormal)
         {
             const float POSITION_TOLERANCE = 0.02f;
-            const float VELOCITY_TOLERANCE = 0.02f;
             const float ROTATION_TOLERANCE = 0.02f;
 
-            if (m_followCamAuto)
+            m_doingCamRayCast = false;
+            if (hitYN && localid != LocalId)
             {
-                if (hitYN)
+                SceneObjectGroup group = m_scene.GetGroupByPrim(localid);
+                bool IsPrim = group != null;
+                if (IsPrim)
                 {
-                    CameraConstraintActive = true;
-                    //m_log.DebugFormat("[RAYCASTRESULT]: {0}, {1}, {2}, {3}", hitYN, collisionPoint, localid, distance);
-                    
-                    Vector3 normal = Vector3.Normalize(new Vector3(0f, 0f, collisionPoint.Z) - collisionPoint);
-                    ControllingClient.SendCameraConstraint(new Vector4(normal.X, normal.Y, normal.Z, -1 * Vector3.Distance(new Vector3(0,0,collisionPoint.Z),collisionPoint)));
+                    SceneObjectPart part = group.GetPart(localid);
+                    if (part != null && !part.VolumeDetectActive)
+                    {
+                        CameraConstraintActive = true;
+                        pNormal.X = (float) Math.Round(pNormal.X, 2);
+                        pNormal.Y = (float) Math.Round(pNormal.Y, 2);
+                        pNormal.Z = (float) Math.Round(pNormal.Z, 2);
+                        pNormal.Normalize();
+                        collisionPoint.X = (float) Math.Round(collisionPoint.X, 1);
+                        collisionPoint.Y = (float) Math.Round(collisionPoint.Y, 1);
+                        collisionPoint.Z = (float) Math.Round(collisionPoint.Z, 1);
+
+                        Vector4 plane = new Vector4(pNormal.X, pNormal.Y, pNormal.Z,
+                                                    Vector3.Dot(collisionPoint, pNormal));
+                        UpdateCameraCollisionPlane(plane);
+                    }
                 }
                 else
                 {
-                    if (!m_pos.ApproxEquals(m_lastPosition, POSITION_TOLERANCE) ||
-                        !Velocity.ApproxEquals(m_lastVelocity, VELOCITY_TOLERANCE) ||
-                        !Rotation.ApproxEquals(m_lastRotation, ROTATION_TOLERANCE))
-                    {
-                        if (CameraConstraintActive)
-                        {
-                            ControllingClient.SendCameraConstraint(new Vector4(0f, 0.5f, 0.9f, -3000f));
-                            CameraConstraintActive = false;
-                        }
-                    }
+                    CameraConstraintActive = true;
+                    pNormal.X = (float) Math.Round(pNormal.X, 2);
+                    pNormal.Y = (float) Math.Round(pNormal.Y, 2);
+                    pNormal.Z = (float) Math.Round(pNormal.Z, 2);
+                    pNormal.Normalize();
+                    collisionPoint.X = (float) Math.Round(collisionPoint.X, 1);
+                    collisionPoint.Y = (float) Math.Round(collisionPoint.Y, 1);
+                    collisionPoint.Z = (float) Math.Round(collisionPoint.Z, 1);
+
+                    Vector4 plane = new Vector4(pNormal.X, pNormal.Y, pNormal.Z,
+                                                Vector3.Dot(collisionPoint, pNormal));
+                    UpdateCameraCollisionPlane(plane);
                 }
             }
+            else if (!m_pos.ApproxEquals(m_lastPosition, POSITION_TOLERANCE) ||
+                     !Rotation.ApproxEquals(m_lastRotation, ROTATION_TOLERANCE))
+            {
+                Vector4 plane = new Vector4(0.9f, 0.0f, 0.361f, -9000f); // not right...
+                UpdateCameraCollisionPlane(plane);
+                CameraConstraintActive = false;
+            }
         }
 
         /// <summary>
@@ -1248,18 +1913,14 @@ namespace OpenSim.Region.Framework.Scenes
         {
 //            m_log.DebugFormat(
 //                "[SCENE PRESENCE]: In {0} received agent update from {1}, flags {2}",
-//                Scene.RegionInfo.RegionName, remoteClient.Name, (AgentManager.ControlFlags)agentData.ControlFlags);
+//                Scene.Name, remoteClient.Name, (AgentManager.ControlFlags)agentData.ControlFlags);
 
             if (IsChildAgent)
             {
-            //    // m_log.Debug("DEBUG: HandleAgentUpdate: child agent");
+//                m_log.DebugFormat("DEBUG: HandleAgentUpdate: child agent in {0}", Scene.Name);
                 return;
             }
 
-            ++m_movementUpdateCount;
-            if (m_movementUpdateCount < 1)
-                m_movementUpdateCount = 1;
-
             #region Sanity Checking
 
             // This is irritating.  Really.
@@ -1290,36 +1951,20 @@ namespace OpenSim.Region.Framework.Scenes
 
             AgentManager.ControlFlags flags = (AgentManager.ControlFlags)agentData.ControlFlags;
 
-            // Camera location in world.  We'll need to raytrace
-            // from this location from time to time.
-            CameraPosition = agentData.CameraCenter;
-            if (Vector3.Distance(m_lastCameraPosition, CameraPosition) >= Scene.RootReprioritizationDistance)
-            {
-                ReprioritizeUpdates();
-                m_lastCameraPosition = CameraPosition;
-            }
-
-            // Use these three vectors to figure out what the agent is looking at
-            // Convert it to a Matrix and/or Quaternion
-            CameraAtAxis = agentData.CameraAtAxis;
-            CameraLeftAxis = agentData.CameraLeftAxis;
-            CameraUpAxis = agentData.CameraUpAxis;
-
             // The Agent's Draw distance setting
             // When we get to the point of re-computing neighbors everytime this
             // changes, then start using the agent's drawdistance rather than the 
             // region's draw distance.
-            // DrawDistance = agentData.Far;
-            DrawDistance = Scene.DefaultDrawDistance;
-
-            // Check if Client has camera in 'follow cam' or 'build' mode.
-            Vector3 camdif = (Vector3.One * Rotation - Vector3.One * CameraRotation);
-
-            m_followCamAuto = ((CameraUpAxis.Z > 0.959f && CameraUpAxis.Z < 0.98f)
-               && (Math.Abs(camdif.X) < 0.4f && Math.Abs(camdif.Y) < 0.4f)) ? true : false;
+            DrawDistance = agentData.Far;
+            // DrawDistance = Scene.DefaultDrawDistance;
 
             m_mouseLook = (flags & AgentManager.ControlFlags.AGENT_CONTROL_MOUSELOOK) != 0;
-            m_leftButtonDown = (flags & AgentManager.ControlFlags.AGENT_CONTROL_LBUTTON_DOWN) != 0;
+
+            // FIXME: This does not work as intended because the viewer only sends the lbutton down when the button
+            // is first pressed, not whilst it is held down.  If this is required in the future then need to look
+            // for an AGENT_CONTROL_LBUTTON_UP event and make sure to handle cases where an initial DOWN is not 
+            // received (e.g. on holding LMB down on the avatar in a viewer).
+//            m_leftButtonDown = (flags & AgentManager.ControlFlags.AGENT_CONTROL_LBUTTON_DOWN) != 0;
 
             #endregion Inputs
 
@@ -1337,14 +1982,38 @@ namespace OpenSim.Region.Framework.Scenes
                 StandUp();
             }
 
-            //m_log.DebugFormat("[FollowCam]: {0}", m_followCamAuto);
             // Raycast from the avatar's head to the camera to see if there's anything blocking the view
-            if ((m_movementUpdateCount % NumMovementsBetweenRayCast) == 0 && m_scene.PhysicsScene.SupportsRayCast())
+            // this exclude checks may not be complete
+
+            if (m_movementUpdateCount % NumMovementsBetweenRayCast == 0 && m_scene.PhysicsScene.SupportsRayCast())
             {
-                if (m_followCamAuto)
+                if (!m_doingCamRayCast && !m_mouseLook && ParentID == 0)
                 {
-                    Vector3 posAdjusted = m_pos + HEAD_ADJUSTMENT;
-                    m_scene.PhysicsScene.RaycastWorld(m_pos, Vector3.Normalize(CameraPosition - posAdjusted), Vector3.Distance(CameraPosition, posAdjusted) + 0.3f, RayCastCameraCallback);
+                    Vector3 posAdjusted = AbsolutePosition;
+//                    posAdjusted.Z += 0.5f * Appearance.AvatarSize.Z - 0.5f;
+                    posAdjusted.Z += 1.0f; // viewer current camera focus point
+                    Vector3 tocam = CameraPosition - posAdjusted;
+                    tocam.X = (float)Math.Round(tocam.X, 1);
+                    tocam.Y = (float)Math.Round(tocam.Y, 1);
+                    tocam.Z = (float)Math.Round(tocam.Z, 1);
+
+                    float distTocamlen = tocam.Length();
+                    if (distTocamlen > 0.3f)
+                    {
+                        tocam *= (1.0f / distTocamlen);
+                        posAdjusted.X = (float)Math.Round(posAdjusted.X, 1);
+                        posAdjusted.Y = (float)Math.Round(posAdjusted.Y, 1);
+                        posAdjusted.Z = (float)Math.Round(posAdjusted.Z, 1);
+
+                        m_doingCamRayCast = true;
+                        m_scene.PhysicsScene.RaycastWorld(posAdjusted, tocam, distTocamlen + 1.0f, RayCastCameraCallback);
+                    }
+                }
+                else if (CameraConstraintActive && (m_mouseLook || ParentID != 0))
+                {
+                    Vector4 plane = new Vector4(0.9f, 0.0f, 0.361f, -10000f); // not right...
+                    UpdateCameraCollisionPlane(plane);
+                    CameraConstraintActive = false;
                 }
             }
 
@@ -1358,9 +2027,16 @@ namespace OpenSim.Region.Framework.Scenes
             // Here's where you get them.
             m_AgentControlFlags = flags;
             m_headrotation = agentData.HeadRotation;
+            byte oldState = State;
             State = agentData.State;
 
+            // We need to send this back to the client in order to stop the edit beams
+            if ((oldState & (uint)AgentState.Editing) != 0 && State == (uint)AgentState.None)
+                ControllingClient.SendAgentTerseUpdate(this);
+
             PhysicsActor actor = PhysicsActor;
+
+            // This will be the case if the agent is sitting on the groudn or on an object.
             if (actor == null)
             {
                 SendControlsToScripts(flagsForScripts);
@@ -1369,17 +2045,26 @@ namespace OpenSim.Region.Framework.Scenes
 
             if (AllowMovement && !SitGround)
             {
-                Quaternion bodyRotation = agentData.BodyRotation;
+//                m_log.DebugFormat("[SCENE PRESENCE]: Initial body rotation {0} for {1}", agentData.BodyRotation, Name);
+
                 bool update_rotation = false;
 
-                if (bodyRotation != Rotation)
+                if (agentData.BodyRotation != Rotation)
                 {
-                    Rotation = bodyRotation;
+                    Rotation = agentData.BodyRotation;
                     update_rotation = true;
                 }
 
                 bool update_movementflag = false;
 
+                // If we were just made root agent then we must perform movement updates for the first AgentUpdate that
+                // we get
+                if (MovementFlag == ForceUpdateMovementFlagValue)
+                {
+                    MovementFlag = 0;
+                    update_movementflag = true;
+                }
+
                 if (agentData.UseClientAgentPosition)
                 {
                     MovingToTarget = (agentData.ClientAgentPosition - AbsolutePosition).Length() > 0.2f;
@@ -1411,19 +2096,7 @@ namespace OpenSim.Region.Framework.Scenes
                 {
                     bool bAllowUpdateMoveToPosition = false;
 
-                    Vector3[] dirVectors;
-
-                    // use camera up angle when in mouselook and not flying or when holding the left mouse button down and not flying
-                    // this prevents 'jumping' in inappropriate situations.
-                    if (!Flying && (m_mouseLook || m_leftButtonDown))
-                        dirVectors = GetWalkDirectionVectors();
-                    else
-                        dirVectors = Dir_Vectors;
-
-                    // The fact that MovementFlag is a byte needs to be fixed
-                    // it really should be a uint
                     // A DIR_CONTROL_FLAG occurs when the user is trying to move in a particular direction.
-                    uint nudgehack = 250;
                     foreach (Dir_ControlFlags DCF in DIR_CONTROL_FLAGS)
                     {
                         if (((uint)flags & (uint)DCF) != 0)
@@ -1432,7 +2105,9 @@ namespace OpenSim.Region.Framework.Scenes
 
                             try
                             {
-                                agent_control_v3 += dirVectors[i];
+                                // Don't slide against ground when crouching if camera is panned around avatar
+                                if (Flying || DCF != Dir_ControlFlags.DIR_CONTROL_FLAG_DOWN)
+                                    agent_control_v3 += Dir_Vectors[i];
                                 //m_log.DebugFormat("[Motion]: {0}, {1}",i, dirVectors[i]);
                             }
                             catch (IndexOutOfRangeException)
@@ -1440,29 +2115,19 @@ namespace OpenSim.Region.Framework.Scenes
                                 // Why did I get this?
                             }
 
-                            if ((MovementFlag & (byte)(uint)DCF) == 0)
-                            {
-                                if (DCF == Dir_ControlFlags.DIR_CONTROL_FLAG_FORWARD_NUDGE || DCF == Dir_ControlFlags.DIR_CONTROL_FLAG_BACKWARD_NUDGE ||
-                                    DCF == Dir_ControlFlags.DIR_CONTROL_FLAG_LEFT_NUDGE || DCF == Dir_ControlFlags.DIR_CONTROL_FLAG_RIGHT_NUDGE)
-                                {
-                                    MovementFlag |= (byte)nudgehack;
-                                }
-
+                            if (((MovementFlag & (uint)DCF) == 0) & !AgentControlStopActive)
+                            {   
                                 //m_log.DebugFormat("[SCENE PRESENCE]: Updating MovementFlag for {0} with {1}", Name, DCF);
-                                MovementFlag += (byte)(uint)DCF;
+                                MovementFlag += (uint)DCF;
                                 update_movementflag = true;
                             }
                         }
                         else
                         {
-                            if ((MovementFlag & (byte)(uint)DCF) != 0 ||
-                                ((DCF == Dir_ControlFlags.DIR_CONTROL_FLAG_FORWARD_NUDGE || DCF == Dir_ControlFlags.DIR_CONTROL_FLAG_BACKWARD_NUDGE ||
-                                DCF == Dir_ControlFlags.DIR_CONTROL_FLAG_LEFT_NUDGE || DCF == Dir_ControlFlags.DIR_CONTROL_FLAG_RIGHT_NUDGE)
-                                && ((MovementFlag & (byte)nudgehack) == nudgehack))
-                                ) // This or is for Nudge forward
+                            if ((MovementFlag & (uint)DCF) != 0)
                             {
                                 //m_log.DebugFormat("[SCENE PRESENCE]: Updating MovementFlag for {0} with lack of {1}", Name, DCF);
-                                MovementFlag -= ((byte)(uint)DCF);
+                                MovementFlag -= (uint)DCF;
                                 update_movementflag = true;
 
                                 /*
@@ -1482,6 +2147,13 @@ namespace OpenSim.Region.Framework.Scenes
                         i++;
                     }
 
+                    // Detect AGENT_CONTROL_STOP state changes
+                    if (AgentControlStopActive != ((flags & AgentManager.ControlFlags.AGENT_CONTROL_STOP) != 0))
+                    {
+                        AgentControlStopActive = !AgentControlStopActive;
+                        update_movementflag = true;
+                    }
+
                     if (MovingToTarget)
                     {
                         // If the user has pressed a key then we want to cancel any move to target.
@@ -1507,30 +2179,79 @@ namespace OpenSim.Region.Framework.Scenes
                 // Only do this if we're flying
                 if (Flying && !ForceFly)
                 {
-                    // Landing detection code
+                    // Need to stop in mid air if user holds down AGENT_CONTROL_STOP
+                    if (AgentControlStopActive)
+                    {
+                        agent_control_v3 = Vector3.Zero;
+                    }
+                    else
+                    {
+                        // Landing detection code
 
-                    // Are the landing controls requirements filled?
-                    bool controlland = (((flags & AgentManager.ControlFlags.AGENT_CONTROL_UP_NEG) != 0) ||
-                                        ((flags & AgentManager.ControlFlags.AGENT_CONTROL_NUDGE_UP_NEG) != 0));
+                        // Are the landing controls requirements filled?
+                        bool controlland = (((flags & AgentManager.ControlFlags.AGENT_CONTROL_UP_NEG) != 0) ||
+                                            ((flags & AgentManager.ControlFlags.AGENT_CONTROL_NUDGE_UP_NEG) != 0));
 
-                    if (Flying && IsColliding && controlland)
-                    {
-                        // nesting this check because LengthSquared() is expensive and we don't 
-                        // want to do it every step when flying.
-                        if ((Velocity.LengthSquared() <= LAND_VELOCITYMAG_MAX))
-                            StopFlying();
+                       //m_log.Debug("[CONTROL]: " +flags);
+                        // Applies a satisfying roll effect to the avatar when flying.
+                        if ((flags & AgentManager.ControlFlags.AGENT_CONTROL_TURN_LEFT) != 0 && (flags & AgentManager.ControlFlags.AGENT_CONTROL_YAW_POS) != 0)
+                        {
+                            ApplyFlyingRoll(
+                                FLY_ROLL_RADIANS_PER_UPDATE, 
+                                (flags & AgentManager.ControlFlags.AGENT_CONTROL_UP_POS) != 0, 
+                                (flags & AgentManager.ControlFlags.AGENT_CONTROL_UP_NEG) != 0);
+                        } 
+                        else if ((flags & AgentManager.ControlFlags.AGENT_CONTROL_TURN_RIGHT) != 0 &&
+                                 (flags & AgentManager.ControlFlags.AGENT_CONTROL_YAW_NEG) != 0)
+                        {
+                            ApplyFlyingRoll(
+                                -FLY_ROLL_RADIANS_PER_UPDATE, 
+                                (flags & AgentManager.ControlFlags.AGENT_CONTROL_UP_POS) != 0, 
+                                (flags & AgentManager.ControlFlags.AGENT_CONTROL_UP_NEG) != 0);                      
+                        }
+                        else
+                        {
+                            if (m_AngularVelocity.Z != 0)
+                                m_AngularVelocity.Z += CalculateFlyingRollResetToZero(FLY_ROLL_RESET_RADIANS_PER_UPDATE);                        
+                        }                  
+
+                        if (Flying && IsColliding && controlland)
+                        {
+                            // nesting this check because LengthSquared() is expensive and we don't 
+                            // want to do it every step when flying.
+                            if ((Velocity.LengthSquared() <= LAND_VELOCITYMAG_MAX))
+                                StopFlying();
+                        }
                     }
                 }
 
+//                m_log.DebugFormat("[SCENE PRESENCE]: MovementFlag {0} for {1}", MovementFlag, Name);
+
                 // If the agent update does move the avatar, then calculate the force ready for the velocity update,
                 // which occurs later in the main scene loop
-                if (update_movementflag || (update_rotation && DCFlagKeyPressed))
+                // We also need to update if the user rotates their avatar whilst it is slow walking/running (if they
+                // held down AGENT_CONTROL_STOP whilst normal walking/running).  However, we do not want to update
+                // if the user rotated whilst holding down AGENT_CONTROL_STOP when already still (which locks the 
+                // avatar location in place).
+                if (update_movementflag 
+                    || (update_rotation && DCFlagKeyPressed && (!AgentControlStopActive || MovementFlag != 0)))
                 {
-//                    m_log.DebugFormat(
-//                        "[SCENE PRESENCE]: In {0} adding velocity of {1} to {2}, umf = {3}, ur = {4}",
-//                        m_scene.RegionInfo.RegionName, agent_control_v3, Name, update_movementflag, update_rotation);
+//                    if (update_movementflag || !AgentControlStopActive || MovementFlag != 0)
+//                    {
+//                        m_log.DebugFormat(
+//                            "[SCENE PRESENCE]: In {0} adding velocity of {1} to {2}, umf = {3}, mf = {4}, ur = {5}",
+//                            m_scene.RegionInfo.RegionName, agent_control_v3, Name, 
+//                            update_movementflag, MovementFlag, update_rotation);
+
+                        float speedModifier;
 
-                    AddNewMovement(agent_control_v3);
+                        if (AgentControlStopActive)
+                            speedModifier = AgentControlStopSlowWhilstMoving;
+                        else
+                            speedModifier = 1;
+
+                        AddNewMovement(agent_control_v3, speedModifier);
+//                    }
                 }
 //                else
 //                {
@@ -1543,15 +2264,86 @@ namespace OpenSim.Region.Framework.Scenes
 //                }
 
                 if (update_movementflag && ParentID == 0)
+                {
+//                    m_log.DebugFormat("[SCENE PRESENCE]: Updating movement animations for {0}", Name);
                     Animator.UpdateMovementAnimations();
+                }
 
                 SendControlsToScripts(flagsForScripts);
             }
 
+            // We need to send this back to the client in order to see the edit beams
+            if ((State & (uint)AgentState.Editing) != 0)
+                ControllingClient.SendAgentTerseUpdate(this);
+
             m_scene.EventManager.TriggerOnClientMovement(this);
-            TriggerScenePresenceUpdated();
         }
 
+
+        /// <summary>
+        /// This is the event handler for client cameras. If a client is moving, or moving the camera, this event is triggering.
+        /// </summary>
+        private void HandleAgentCamerasUpdate(IClientAPI remoteClient, AgentUpdateArgs agentData)
+        {
+            //m_log.DebugFormat(
+            //    "[SCENE PRESENCE]: In {0} received agent camera update from {1}, flags {2}",
+            //    Scene.RegionInfo.RegionName, remoteClient.Name, (AgentManager.ControlFlags)agentData.ControlFlags);
+
+            if (IsChildAgent)
+            {
+                //    // m_log.Debug("DEBUG: HandleAgentUpdate: child agent");
+                return;
+            }
+
+            ++m_movementUpdateCount;
+            if (m_movementUpdateCount < 1)
+                m_movementUpdateCount = 1;
+
+//            AgentManager.ControlFlags flags = (AgentManager.ControlFlags)agentData.ControlFlags;
+
+            // Camera location in world.  We'll need to raytrace
+            // from this location from time to time.
+            CameraPosition = agentData.CameraCenter;
+            if (Vector3.Distance(m_lastCameraPosition, CameraPosition) >= Scene.RootReprioritizationDistance)
+            {
+                ReprioritizeUpdates();
+                m_lastCameraPosition = CameraPosition;
+            }
+
+            // Use these three vectors to figure out what the agent is looking at
+            // Convert it to a Matrix and/or Quaternion
+            CameraAtAxis = agentData.CameraAtAxis;
+            CameraLeftAxis = agentData.CameraLeftAxis;
+            CameraUpAxis = agentData.CameraUpAxis;
+
+            // The Agent's Draw distance setting
+            // When we get to the point of re-computing neighbors everytime this
+            // changes, then start using the agent's drawdistance rather than the 
+            // region's draw distance.
+            DrawDistance = agentData.Far;
+            // DrawDistance = Scene.DefaultDrawDistance;
+
+            // Check if Client has camera in 'follow cam' or 'build' mode.
+            Vector3 camdif = (Vector3.One * Rotation - Vector3.One * CameraRotation);
+
+            m_followCamAuto = ((CameraUpAxis.Z > 0.959f && CameraUpAxis.Z < 0.98f)
+               && (Math.Abs(camdif.X) < 0.4f && Math.Abs(camdif.Y) < 0.4f)) ? true : false;
+
+
+            //m_log.DebugFormat("[FollowCam]: {0}", m_followCamAuto);
+            // Raycast from the avatar's head to the camera to see if there's anything blocking the view
+            if ((m_movementUpdateCount % NumMovementsBetweenRayCast) == 0 && m_scene.PhysicsScene.SupportsRayCast())
+            {
+                if (m_followCamAuto)
+                {
+                    Vector3 posAdjusted = m_pos + HEAD_ADJUSTMENT;
+                    m_scene.PhysicsScene.RaycastWorld(m_pos, Vector3.Normalize(CameraPosition - posAdjusted), Vector3.Distance(CameraPosition, posAdjusted) + 0.3f, RayCastCameraCallback);
+                }
+            }
+
+            TriggerScenePresenceUpdated();
+        }
+        
         /// <summary>
         /// Calculate an update to move the presence to the set target.
         /// </summary>
@@ -1706,13 +2498,15 @@ namespace OpenSim.Region.Framework.Scenes
             if (regionCombinerModule != null)
                 regionSize = regionCombinerModule.GetSizeOfMegaregion(m_scene.RegionInfo.RegionID);
             else
-                regionSize = new Vector2(Constants.RegionSize);
+                regionSize = new Vector2(m_scene.RegionInfo.RegionSizeX, m_scene.RegionInfo.RegionSizeY);
 
             if (pos.X < 0 || pos.X >= regionSize.X
                 || pos.Y < 0 || pos.Y >= regionSize.Y
                 || pos.Z < 0)
                 return;
 
+            Scene targetScene = m_scene;
+
 //            Vector3 heightAdjust = new Vector3(0, 0, Appearance.AvatarHeight / 2);
 //            pos += heightAdjust;
 //
@@ -1724,15 +2518,23 @@ namespace OpenSim.Region.Framework.Scenes
 //            }
 
             // Get terrain height for sub-region in a megaregion if necessary
-            int X = (int)((m_scene.RegionInfo.RegionLocX * Constants.RegionSize) + pos.X);
-            int Y = (int)((m_scene.RegionInfo.RegionLocY * Constants.RegionSize) + pos.Y);
-            UUID target_regionID = m_scene.GridService.GetRegionByPosition(m_scene.RegionInfo.ScopeID, X, Y).RegionID;
-            Scene targetScene = m_scene;
 
-            if (!SceneManager.Instance.TryGetScene(target_regionID, out targetScene))
-                targetScene = m_scene;
+                                //COMMENT: If its only nessesary in a megaregion, why do it on normal region's too?
+
+                if (regionCombinerModule != null)
+            {
+                int x = (int)((m_scene.RegionInfo.WorldLocX) + pos.X);
+                int y = (int)((m_scene.RegionInfo.WorldLocY) + pos.Y);
+                GridRegion target_region = m_scene.GridService.GetRegionByPosition(m_scene.RegionInfo.ScopeID, x, y);
+
+                // If X and Y is NaN, target_region will be null
+                if (target_region == null)
+                    return;
+               
+                SceneManager.Instance.TryGetScene(target_region.RegionID, out targetScene);
+            }
 
-            float terrainHeight = (float)targetScene.Heightmap[(int)(pos.X % Constants.RegionSize), (int)(pos.Y % Constants.RegionSize)];
+            float terrainHeight = (float)targetScene.Heightmap[(int)(pos.X % regionSize.X), (int)(pos.Y % regionSize.Y)];
             pos.Z = Math.Max(terrainHeight, pos.Z);
 
             // Fudge factor.  It appears that if one clicks "go here" on a piece of ground, the go here request is
@@ -1741,15 +2543,18 @@ namespace OpenSim.Region.Framework.Scenes
             if (pos.Z - terrainHeight < 0.2)
                 pos.Z = terrainHeight;
 
-//            m_log.DebugFormat(
-//                "[SCENE PRESENCE]: Avatar {0} set move to target {1} (terrain height {2}) in {3}",
-//                Name, pos, terrainHeight, m_scene.RegionInfo.RegionName);
-
             if (noFly)
                 Flying = false;
             else if (pos.Z > terrainHeight)
                 Flying = true;
 
+//            m_log.DebugFormat(
+//                "[SCENE PRESENCE]: Avatar {0} set move to target {1} (terrain height {2}) in {3}",
+//                Name, pos, terrainHeight, m_scene.RegionInfo.RegionName);
+
+                        if (noFly)
+                                Flying = false;
+
             LandAtTarget = landAtTarget;
             MovingToTarget = true;
             MoveToPositionTarget = pos;
@@ -1782,7 +2587,8 @@ namespace OpenSim.Region.Framework.Scenes
 //            m_log.DebugFormat("[SCENE PRESENCE]: Resetting move to target for {0}", Name);
 
             MovingToTarget = false;
-            MoveToPositionTarget = Vector3.Zero;
+//            MoveToPositionTarget = Vector3.Zero;
+            m_forceToApply = null; // cancel possible last action
 
             // We need to reset the control flag as the ScenePresenceAnimator uses this to determine the correct
             // resting animation (e.g. hover or stand).  NPCs don't have a client that will quickly reset this flag.
@@ -1799,13 +2605,15 @@ namespace OpenSim.Region.Framework.Scenes
         {
 //            m_log.DebugFormat("[SCENE PRESENCE]: StandUp() for {0}", Name);
 
+            bool satOnObject = IsSatOnObject;
+            SceneObjectPart part = ParentPart;
             SitGround = false;
-            if (PhysicsActor == null)
-                AddToPhysicalScene(false);
 
-            if (ParentID != 0)
+            if (satOnObject)
             {
-                SceneObjectPart part = ParentPart;
+                PrevSitOffset = m_pos; // Save sit offset
+                UnRegisterSeatControls(part.ParentGroup.UUID);
+
                 TaskInventoryDictionary taskIDict = part.TaskInventory;
                 if (taskIDict != null)
                 {
@@ -1821,24 +2629,70 @@ namespace OpenSim.Region.Framework.Scenes
                     }
                 }
 
-                ParentPosition = part.GetWorldPosition();
                 ControllingClient.SendClearFollowCamProperties(part.ParentUUID);
 
-                m_pos += ParentPosition + new Vector3(0.0f, 0.0f, 2.0f * m_sitAvatarHeight);
-                ParentPosition = Vector3.Zero;
-
                 ParentID = 0;
                 ParentPart = null;
-                SendAvatarDataToAllAgents();
+
+                Quaternion standRotation;
+
+                if (part.SitTargetAvatar == UUID)
+                {
+                    standRotation = part.GetWorldRotation();
+
+                    if (!part.IsRoot)
+                        standRotation = standRotation * part.SitTargetOrientation;
+//                        standRotation = part.RotationOffset * part.SitTargetOrientation;
+//                    else
+//                        standRotation = part.SitTargetOrientation;
+
+                }
+                else
+                {
+                    standRotation = Rotation;
+                }
+
+                //Vector3 standPos = ParentPosition + new Vector3(0.0f, 0.0f, 2.0f * m_sitAvatarHeight);
+                //Vector3 standPos = ParentPosition;
+
+//                Vector3 standPositionAdjustment 
+//                    = part.SitTargetPosition + new Vector3(0.5f, 0f, m_sitAvatarHeight / 2f);
+                Vector3 adjustmentForSitPosition = OffsetPosition * part.ParentGroup.GroupRotation - SIT_TARGET_ADJUSTMENT * part.GetWorldRotation();
+
+                // XXX: This is based on the physics capsule sizes.  Need to find a better way to read this rather than
+                // hardcoding here.
+                Vector3 adjustmentForSitPose = new Vector3(0.74f, 0f, 0f) * standRotation;
+
+                Vector3 standPos = part.ParentGroup.AbsolutePosition + adjustmentForSitPosition + adjustmentForSitPose;
+
+//                m_log.DebugFormat(
+//                    "[SCENE PRESENCE]: Setting stand to pos {0}, (adjustmentForSitPosition {1}, adjustmentForSitPose {2}) rotation {3} for {4} in {5}", 
+//                    standPos, adjustmentForSitPosition, adjustmentForSitPose, standRotation, Name, Scene.Name);
+
+                Rotation = standRotation;
+                AbsolutePosition = standPos;
+            }
+
+            // We need to wait until we have calculated proper stand positions before sitting up the physical 
+            // avatar to avoid race conditions.
+            if (PhysicsActor == null)
+                AddToPhysicalScene(false);
+
+            if (satOnObject)
+            {
+                SendAvatarDataToAllClients();
                 m_requestedSitTargetID = 0;
 
-                part.RemoveSittingAvatar(UUID);
+                part.RemoveSittingAvatar(this);
 
-                if (part != null)
-                    part.ParentGroup.TriggerScriptChangedEvent(Changed.LINK);
+                part.ParentGroup.TriggerScriptChangedEvent(Changed.LINK);
             }
 
+            else if (PhysicsActor == null)
+                AddToPhysicalScene(false);
+
             Animator.TrySetMovementAnimation("STAND");
+            TriggerScenePresenceUpdated();
         }
 
         private SceneObjectPart FindNextAvailableSitTarget(UUID targetID)
@@ -1885,14 +2739,10 @@ namespace OpenSim.Region.Framework.Scenes
             if (part == null)
                 return;
 
-            // TODO: determine position to sit at based on scene geometry; don't trust offset from client
-            // see http://wiki.secondlife.com/wiki/User:Andrew_Linden/Office_Hours/2007_11_06 for details on how LL does it
-
             if (PhysicsActor != null)
-                m_sitAvatarHeight = PhysicsActor.Size.Z;
+                m_sitAvatarHeight = PhysicsActor.Size.Z * 0.5f;
 
             bool canSit = false;
-            Vector3 pos = part.AbsolutePosition + offset;
 
             if (part.IsSitTargetSet && part.SitTargetAvatar == UUID.Zero)
             {
@@ -1902,45 +2752,88 @@ namespace OpenSim.Region.Framework.Scenes
 
                 offset = part.SitTargetPosition;
                 sitOrientation = part.SitTargetOrientation;
+
+                if (!part.IsRoot)
+                {
+                    //                m_log.DebugFormat("Old sit orient {0}", sitOrientation);
+                    sitOrientation = part.RotationOffset * sitOrientation;
+                    //                m_log.DebugFormat("New sit orient {0}", sitOrientation);
+//                m_log.DebugFormat("Old sit offset {0}", offset);
+                    offset = offset * part.RotationOffset;
+//                m_log.DebugFormat("New sit offset {0}", offset);
+                }
+
                 canSit = true;
             }
             else
             {
+                if (PhysicsSit(part,offset)) // physics engine 
+                    return;
+
+                Vector3 pos = part.AbsolutePosition + offset;
+
                 if (Util.GetDistanceTo(AbsolutePosition, pos) <= 10)
                 {
-//                    m_log.DebugFormat(
-//                        "[SCENE PRESENCE]: Sitting {0} on {1} {2} because sit target is unset and within 10m",
-//                        Name, part.Name, part.LocalId);
-
                     AbsolutePosition = pos + new Vector3(0.0f, 0.0f, m_sitAvatarHeight);
                     canSit = true;
                 }
-//                else
-//                {
-//                    m_log.DebugFormat(
-//                        "[SCENE PRESENCE]: Ignoring sit request of {0} on {1} {2} because sit target is unset and outside 10m",
-//                        Name, part.Name, part.LocalId);
-//                }
             }
 
             if (canSit)
             {
+
                 if (PhysicsActor != null)
                 {
                     // We can remove the physicsActor until they stand up.
                     RemoveFromPhysicalScene();
                 }
 
-                part.AddSittingAvatar(UUID);
+                if (MovingToTarget)
+                    ResetMoveToTarget();
+
+                Velocity = Vector3.Zero;
+
+                part.AddSittingAvatar(this);
 
                 cameraAtOffset = part.GetCameraAtOffset();
+
+                if (!part.IsRoot && cameraAtOffset == Vector3.Zero)
+                    cameraAtOffset = part.ParentGroup.RootPart.GetCameraAtOffset();
+
+                bool cameraEyeOffsetFromRootForChild = false;
                 cameraEyeOffset = part.GetCameraEyeOffset();
+
+                if (!part.IsRoot && cameraEyeOffset == Vector3.Zero)
+                {                 
+                    cameraEyeOffset = part.ParentGroup.RootPart.GetCameraEyeOffset();
+                    cameraEyeOffsetFromRootForChild = true;
+                }
+
+                if ((cameraEyeOffset != Vector3.Zero && !cameraEyeOffsetFromRootForChild) || cameraAtOffset != Vector3.Zero)
+                {
+                    if (!part.IsRoot)
+                    {
+                        cameraEyeOffset = cameraEyeOffset * part.RotationOffset;
+                        cameraAtOffset += part.OffsetPosition;
+                    }
+
+                    cameraEyeOffset += part.OffsetPosition;
+                }
+
+//                m_log.DebugFormat(
+//                    "[SCENE PRESENCE]: Using cameraAtOffset {0}, cameraEyeOffset {1} for sit on {2} by {3} in {4}", 
+//                    cameraAtOffset, cameraEyeOffset, part.Name, Name, Scene.Name);
+
                 forceMouselook = part.GetForceMouselook();
 
+                // An viewer expects to specify sit positions as offsets to the root prim, even if a child prim is
+                // being sat upon.
+                offset += part.OffsetPosition;
+
                 ControllingClient.SendSitResponse(
-                    targetID, offset, sitOrientation, false, cameraAtOffset, cameraEyeOffset, forceMouselook);
+                    part.ParentGroup.UUID, offset, sitOrientation, false, cameraAtOffset, cameraEyeOffset, forceMouselook);
 
-                m_requestedSitTargetUUID = targetID;
+                m_requestedSitTargetUUID = part.UUID;
 
                 HandleAgentSit(ControllingClient, UUID);
 
@@ -1952,6 +2845,9 @@ namespace OpenSim.Region.Framework.Scenes
 
         public void HandleAgentRequestSit(IClientAPI remoteClient, UUID agentID, UUID targetID, Vector3 offset)
         {
+            if (IsChildAgent)
+                return;
+
             if (ParentID != 0)
             {
                 if (ParentPart.UUID == targetID)
@@ -1965,16 +2861,8 @@ namespace OpenSim.Region.Framework.Scenes
             if (part != null)
             {
                 m_requestedSitTargetID = part.LocalId;
-                m_requestedSitTargetUUID = targetID;
-
-//                m_log.DebugFormat("[SIT]: Client requested Sit Position: {0}", offset);
+                m_requestedSitTargetUUID = part.UUID;
 
-                if (m_scene.PhysicsScene.SupportsRayCast())
-                {
-                    //m_scene.PhysicsScene.RaycastWorld(Vector3.Zero,Vector3.Zero, 0.01f,new RaycastCallback());
-                    //SitRayCastAvatarPosition(part);
-                    //return;
-                }
             }
             else
             {
@@ -1984,200 +2872,119 @@ namespace OpenSim.Region.Framework.Scenes
             SendSitResponse(targetID, offset, Quaternion.Identity);
         }
 
-        /*
-        public void SitRayCastAvatarPosition(SceneObjectPart part)
-        {
-            Vector3 EndRayCastPosition = part.AbsolutePosition + m_requestedSitOffset;
-            Vector3 StartRayCastPosition = AbsolutePosition;
-            Vector3 direction = Vector3.Normalize(EndRayCastPosition - StartRayCastPosition);
-            float distance = Vector3.Distance(EndRayCastPosition, StartRayCastPosition);
-            m_scene.PhysicsScene.RaycastWorld(StartRayCastPosition, direction, distance, SitRayCastAvatarPositionResponse);
-        }
-
-        public void SitRayCastAvatarPositionResponse(bool hitYN, Vector3 collisionPoint, uint localid, float pdistance, Vector3 normal)
+        // returns  false if does not suport so older sit can be tried
+        public bool PhysicsSit(SceneObjectPart part, Vector3 offset)
         {
-            SceneObjectPart part =  FindNextAvailableSitTarget(m_requestedSitTargetUUID);
-            if (part != null)
-            {
-                if (hitYN)
-                {
-                    if (collisionPoint.ApproxEquals(m_requestedSitOffset + part.AbsolutePosition, 0.2f))
-                    {
-                        SitRaycastFindEdge(collisionPoint, normal);
-                        m_log.DebugFormat("[SIT]: Raycast Avatar Position succeeded at point: {0}, normal:{1}", collisionPoint, normal);
-                    }
-                    else
-                    {
-                        SitRayCastAvatarPositionCameraZ(part);
-                    }
-                }
-                else
-                {
-                    SitRayCastAvatarPositionCameraZ(part);
-                }
-            }
-            else
+// TODO: Pull in these bits
+            return false;
+/*
+            if (part == null || part.ParentGroup.IsAttachment)
             {
-                ControllingClient.SendAlertMessage("Sit position no longer exists");
-                m_requestedSitTargetUUID = UUID.Zero;
-                m_requestedSitTargetID = 0;
-                m_requestedSitOffset = Vector3.Zero;
+                return true;
             }
 
-        }
-
-        public void SitRayCastAvatarPositionCameraZ(SceneObjectPart part)
-        {
-            // Next, try to raycast from the camera Z position
-            Vector3 EndRayCastPosition = part.AbsolutePosition + m_requestedSitOffset;
-            Vector3 StartRayCastPosition = AbsolutePosition; StartRayCastPosition.Z = CameraPosition.Z;
-            Vector3 direction = Vector3.Normalize(EndRayCastPosition - StartRayCastPosition);
-            float distance = Vector3.Distance(EndRayCastPosition, StartRayCastPosition);
-            m_scene.PhysicsScene.RaycastWorld(StartRayCastPosition, direction, distance, SitRayCastAvatarPositionCameraZResponse);
-        }
+            if ( m_scene.PhysicsScene == null)
+                return false;
 
-        public void SitRayCastAvatarPositionCameraZResponse(bool hitYN, Vector3 collisionPoint, uint localid, float pdistance, Vector3 normal)
-        {
-            SceneObjectPart part = FindNextAvailableSitTarget(m_requestedSitTargetUUID);
-            if (part != null)
+            if (part.PhysActor == null)
             {
-                if (hitYN)
-                {
-                    if (collisionPoint.ApproxEquals(m_requestedSitOffset + part.AbsolutePosition, 0.2f))
-                    {
-                        SitRaycastFindEdge(collisionPoint, normal);
-                        m_log.DebugFormat("[SIT]: Raycast Avatar Position + CameraZ succeeded at point: {0}, normal:{1}", collisionPoint, normal);
-                    }
-                    else
-                    {
-                        SitRayCastCameraPosition(part);
-                    }
-                }
+                // none physcis shape
+                if (part.PhysicsShapeType == (byte)PhysicsShapeType.None)
+                    ControllingClient.SendAlertMessage(" There is no suitable surface to sit on, try another spot.");
                 else
-                {
-                    SitRayCastCameraPosition(part);
+                { // non physical phantom  TODO
+                    ControllingClient.SendAlertMessage(" There is no suitable surface to sit on, try another spot.");
+                    return false;
                 }
-            }
-            else
-            {
-                ControllingClient.SendAlertMessage("Sit position no longer exists");
-                m_requestedSitTargetUUID = UUID.Zero;
-                m_requestedSitTargetID = 0;
-                m_requestedSitOffset = Vector3.Zero;
+                return true;
             }
 
-        }
 
-        public void SitRayCastCameraPosition(SceneObjectPart part)
-        {
-            // Next, try to raycast from the camera position
-            Vector3 EndRayCastPosition = part.AbsolutePosition + m_requestedSitOffset;
-            Vector3 StartRayCastPosition = CameraPosition;
-            Vector3 direction = Vector3.Normalize(EndRayCastPosition - StartRayCastPosition);
-            float distance = Vector3.Distance(EndRayCastPosition, StartRayCastPosition);
-            m_scene.PhysicsScene.RaycastWorld(StartRayCastPosition, direction, distance, SitRayCastCameraPositionResponse);
-        }
+            // not doing autopilot
+            m_requestedSitTargetID = 0; 
 
-        public void SitRayCastCameraPositionResponse(bool hitYN, Vector3 collisionPoint, uint localid, float pdistance, Vector3 normal)
-        {
-            SceneObjectPart part = FindNextAvailableSitTarget(m_requestedSitTargetUUID);
-            if (part != null)
-            {
-                if (hitYN)
-                {
-                    if (collisionPoint.ApproxEquals(m_requestedSitOffset + part.AbsolutePosition, 0.2f))
-                    {
-                        SitRaycastFindEdge(collisionPoint, normal);
-                        m_log.DebugFormat("[SIT]: Raycast Camera Position succeeded at point: {0}, normal:{1}", collisionPoint, normal);
-                    }
-                    else
-                    {
-                        SitRayHorizontal(part);
-                    }
-                }
-                else
-                {
-                    SitRayHorizontal(part);
-                }
-            }
-            else
-            {
-                ControllingClient.SendAlertMessage("Sit position no longer exists");
-                m_requestedSitTargetUUID = UUID.Zero;
-                m_requestedSitTargetID = 0;
-                m_requestedSitOffset = Vector3.Zero;
-            }
+            if (m_scene.PhysicsScene.SitAvatar(part.PhysActor, AbsolutePosition, CameraPosition, offset, new Vector3(0.35f, 0, 0.65f), PhysicsSitResponse) != 0)
+                return true;
 
+            return false;
+*/
         }
 
-        public void SitRayHorizontal(SceneObjectPart part)
+
+        private bool CanEnterLandPosition(Vector3 testPos)
         {
-            // Next, try to raycast from the avatar position to fwd
-            Vector3 EndRayCastPosition = part.AbsolutePosition + m_requestedSitOffset;
-            Vector3 StartRayCastPosition = CameraPosition;
-            Vector3 direction = Vector3.Normalize(EndRayCastPosition - StartRayCastPosition);
-            float distance = Vector3.Distance(EndRayCastPosition, StartRayCastPosition);
-            m_scene.PhysicsScene.RaycastWorld(StartRayCastPosition, direction, distance, SitRayCastHorizontalResponse);
+            ILandObject land = m_scene.LandChannel.GetLandObject(testPos.X, testPos.Y);
+
+            if (land == null || land.LandData.Name == "NO_LAND")
+                return true;
+
+            return land.CanBeOnThisLand(UUID,testPos.Z);
         }
 
-        public void SitRayCastHorizontalResponse(bool hitYN, Vector3 collisionPoint, uint localid, float pdistance, Vector3 normal)
+        // status
+        //          < 0 ignore
+        //          0   bad sit spot
+        public void PhysicsSitResponse(int status, uint partID, Vector3 offset, Quaternion Orientation)
         {
-            SceneObjectPart part = FindNextAvailableSitTarget(m_requestedSitTargetUUID);
-            if (part != null)
+            if (status < 0)
+                return;
+
+            if (status == 0)
             {
-                if (hitYN)
-                {
-                    if (collisionPoint.ApproxEquals(m_requestedSitOffset + part.AbsolutePosition, 0.2f))
-                    {
-                        SitRaycastFindEdge(collisionPoint, normal);
-                        m_log.DebugFormat("[SIT]: Raycast Horizontal Position succeeded at point: {0}, normal:{1}", collisionPoint, normal);
-                        // Next, try to raycast from the camera position
-                        Vector3 EndRayCastPosition = part.AbsolutePosition + m_requestedSitOffset;
-                        Vector3 StartRayCastPosition = CameraPosition;
-                        Vector3 direction = Vector3.Normalize(EndRayCastPosition - StartRayCastPosition);
-                        float distance = Vector3.Distance(EndRayCastPosition, StartRayCastPosition);
-                        //m_scene.PhysicsScene.RaycastWorld(StartRayCastPosition, direction, distance, SitRayCastResponseAvatarPosition);
-                    }
-                    else
-                    {
-                        ControllingClient.SendAlertMessage("Sit position not accessable.");
-                        m_requestedSitTargetUUID = UUID.Zero;
-                        m_requestedSitTargetID = 0;
-                        m_requestedSitOffset = Vector3.Zero;
-                    }
-                }
-                else
-                {
-                    ControllingClient.SendAlertMessage("Sit position not accessable.");
-                    m_requestedSitTargetUUID = UUID.Zero;
-                    m_requestedSitTargetID = 0;
-                    m_requestedSitOffset = Vector3.Zero;
-                }
+                ControllingClient.SendAlertMessage(" There is no suitable surface to sit on, try another spot.");
+                return;
             }
-            else
+
+            SceneObjectPart part = m_scene.GetSceneObjectPart(partID);
+            if (part == null)
+                return;
+
+            Vector3 targetPos = part.GetWorldPosition() + offset * part.GetWorldRotation();     
+            if(!CanEnterLandPosition(targetPos))
             {
-                ControllingClient.SendAlertMessage("Sit position no longer exists");
-                m_requestedSitTargetUUID = UUID.Zero;
-                m_requestedSitTargetID = 0;
-                m_requestedSitOffset = Vector3.Zero;
+                ControllingClient.SendAlertMessage(" Sit position on restricted land, try another spot");
+                return;
             }
 
-        }
+            RemoveFromPhysicalScene();
 
-        private void SitRaycastFindEdge(Vector3 collisionPoint, Vector3 collisionNormal)
-        {
-            int i = 0;
-            //throw new NotImplementedException();
-            //m_requestedSitTargetUUID = UUID.Zero;
-            //m_requestedSitTargetID = 0;
-            //m_requestedSitOffset = Vector3.Zero;
+            if (MovingToTarget)
+                ResetMoveToTarget();
+
+            Velocity = Vector3.Zero;
+
+            part.AddSittingAvatar(this);
+
+            Vector3 cameraAtOffset = part.GetCameraAtOffset();
+            Vector3 cameraEyeOffset = part.GetCameraEyeOffset();
+            bool forceMouselook = part.GetForceMouselook();
+
+            ControllingClient.SendSitResponse(
+                part.UUID, offset, Orientation, false, cameraAtOffset, cameraEyeOffset, forceMouselook);
+
+            // not using autopilot
 
-            SendSitResponse(ControllingClient, m_requestedSitTargetUUID, collisionPoint - m_requestedSitOffset, Quaternion.Identity);
+            Rotation = Orientation;
+            m_pos = offset;
+
+            m_requestedSitTargetID = 0;
+
+            ParentPart = part;
+            ParentID = part.LocalId;
+            if(status == 3)
+                Animator.TrySetMovementAnimation("SIT_GROUND");
+            else
+                Animator.TrySetMovementAnimation("SIT");
+            SendAvatarDataToAllClients();
+
+            part.ParentGroup.TriggerScriptChangedEvent(Changed.LINK);
         }
-        */
 
         public void HandleAgentSit(IClientAPI remoteClient, UUID agentID)
         {
+            if (IsChildAgent)
+                return;
+
             SceneObjectPart part = m_scene.GetSceneObjectPart(m_requestedSitTargetID);
 
             if (part != null)
@@ -2205,23 +3012,75 @@ namespace OpenSim.Region.Framework.Scenes
 
                     //Quaternion result = (sitTargetOrient * vq) * nq;
 
-                    m_pos = sitTargetPos + SIT_TARGET_ADJUSTMENT;
-                    Rotation = sitTargetOrient;
-                    ParentPosition = part.AbsolutePosition;
+                    double x, y, z, m1, m2;
+
+                    Quaternion r = sitTargetOrient;
+                    m1 = r.X * r.X + r.Y * r.Y;
+                    m2 = r.Z * r.Z + r.W * r.W;
+
+                    // Rotate the vector <0, 0, 1>
+                    x = 2 * (r.X * r.Z + r.Y * r.W);
+                    y = 2 * (-r.X * r.W + r.Y * r.Z);
+                    z = m2 - m1;
+
+                    // Set m to be the square of the norm of r.
+                    double m = m1 + m2;
+
+                    // This constant is emperically determined to be what is used in SL.
+                    // See also http://opensimulator.org/mantis/view.php?id=7096
+                    double offset = 0.05;
+
+                    // Normally m will be ~ 1, but if someone passed a handcrafted quaternion
+                    // to llSitTarget with values so small that squaring them is rounded off
+                    // to zero, then m could be zero. The result of this floating point
+                    // round off error (causing us to skip this impossible normalization)
+                    // is only 5 cm.
+                    if (m > 0.000001)
+                    {
+                        offset /= m;
+                    }
+
+                    Vector3 up = new Vector3((float)x, (float)y, (float)z);
+                    Vector3 sitOffset = up * (float)offset;
+
+                    // sitOffset is in Avatar Center coordinates: from origin to 'sitTargetPos + SIT_TARGET_ADJUSTMENT'.
+                    // So, we need to _substract_ it to get to the origin of the Avatar Center.
+                    Vector3 newPos = sitTargetPos + SIT_TARGET_ADJUSTMENT - sitOffset;
+                    Quaternion newRot;
+
+                    if (part.IsRoot)
+                    {
+                        newRot = sitTargetOrient;
+                    }
+                    else
+                    {
+                        newPos = newPos * part.RotationOffset;
+                        newRot = part.RotationOffset * sitTargetOrient;
+                    }
+
+                    newPos += part.OffsetPosition;
+
+                    m_pos = newPos;
+                    Rotation = newRot;
+
+//                    ParentPosition = part.AbsolutePosition;
                 }
                 else
                 {
-                    m_pos -= part.AbsolutePosition;
-                    ParentPosition = part.AbsolutePosition;
+                    // An viewer expects to specify sit positions as offsets to the root prim, even if a child prim is
+                    // being sat upon.
+                    m_pos -= part.GroupPosition;
+
+//                    ParentPosition = part.AbsolutePosition;
 
 //                        m_log.DebugFormat(
 //                            "[SCENE PRESENCE]: Sitting {0} at position {1} ({2} + {3}) on part {4} {5} without sit target",
 //                            Name, part.AbsolutePosition, m_pos, ParentPosition, part.Name, part.LocalId);
                 }
 
-                ParentPart = m_scene.GetSceneObjectPart(m_requestedSitTargetID);
+                ParentPart = part;
                 ParentID = m_requestedSitTargetID;
-
+                m_AngularVelocity = Vector3.Zero;
                 Velocity = Vector3.Zero;
                 RemoveFromPhysicalScene();
 
@@ -2231,14 +3090,20 @@ namespace OpenSim.Region.Framework.Scenes
                     sitAnimation = part.SitAnimation;
                 }
                 Animator.TrySetMovementAnimation(sitAnimation);
-                SendAvatarDataToAllAgents();
+                SendAvatarDataToAllClients();
+                TriggerScenePresenceUpdated();
             }
         }
 
         public void HandleAgentSitOnGround()
         {
-//            m_updateCount = 0;  // Kill animation update burst so that the SIT_G.. will stick.
+            if (IsChildAgent)
+                return;
+
+//            m_updateCount = 0;  // Kill animation update burst so that the SIT_G.. will stick..
+            m_AngularVelocity = Vector3.Zero;
             Animator.TrySetMovementAnimation("SIT_GROUND_CONSTRAINED");
+            TriggerScenePresenceUpdated();
             SitGround = true;
             RemoveFromPhysicalScene();
         }
@@ -2255,22 +3120,39 @@ namespace OpenSim.Region.Framework.Scenes
         public void HandleStartAnim(IClientAPI remoteClient, UUID animID)
         {
             Animator.AddAnimation(animID, UUID.Zero);
+            TriggerScenePresenceUpdated();
         }
 
         public void HandleStopAnim(IClientAPI remoteClient, UUID animID)
         {
             Animator.RemoveAnimation(animID, false);
+            TriggerScenePresenceUpdated();
         }
 
         /// <summary>
         /// Rotate the avatar to the given rotation and apply a movement in the given relative vector
         /// </summary>
         /// <param name="vec">The vector in which to move.  This is relative to the rotation argument</param>
-        public void AddNewMovement(Vector3 vec)
+        /// <param name="thisAddSpeedModifier">
+        /// Optional additional speed modifier for this particular add.  Default is 1</param>
+        public void AddNewMovement(Vector3 vec, float thisAddSpeedModifier = 1)
         {
-//            m_log.DebugFormat("[SCENE PRESENCE]: Adding new movement {0} for {1}", vec, Name);
+//            m_log.DebugFormat(
+//                "[SCENE PRESENCE]: Adding new movement {0} with rotation {1}, thisAddSpeedModifier {2} for {3}", 
+//                vec, Rotation, thisAddSpeedModifier, Name);
 
-            Vector3 direc = vec * Rotation;
+            Quaternion rot = Rotation;
+            if (!Flying && PresenceType != PresenceType.Npc)
+            {
+                // The only situation in which we care about X and Y is avatar flying.  The rest of the time
+                // these parameters are not relevant for determining avatar movement direction and cause issues such
+                // as wrong walk speed if the camera is rotated.
+                rot.X = 0;
+                rot.Y = 0;
+                rot.Normalize();
+            }
+
+            Vector3 direc = vec * rot;
             direc.Normalize();
 
             if (Flying != FlyingOld)                // add for fly velocity control
@@ -2286,7 +3168,9 @@ namespace OpenSim.Region.Framework.Scenes
             if ((vec.Z == 0f) && !Flying)
                 direc.Z = 0f; // Prevent camera WASD up.
 
-            direc *= 0.03f * 128f * SpeedModifier;
+            direc *= 0.03f * 128f * SpeedModifier * thisAddSpeedModifier;
+
+//            m_log.DebugFormat("[SCENE PRESENCE]: Force to apply before modification was {0} for {1}", direc, Name);
 
             if (PhysicsActor != null)
             {
@@ -2315,14 +3199,17 @@ namespace OpenSim.Region.Framework.Scenes
                         direc.Z *= 2.6f;
 
                         // TODO: PreJump and jump happen too quickly.  Many times prejump gets ignored.
-                        Animator.TrySetMovementAnimation("PREJUMP");
-                        Animator.TrySetMovementAnimation("JUMP");
+//                        Animator.TrySetMovementAnimation("PREJUMP");
+//                        Animator.TrySetMovementAnimation("JUMP");
                     }
                 }
             }
 
+//            m_log.DebugFormat("[SCENE PRESENCE]: Setting force to apply to {0} for {1}", direc, Name);
+
             // TODO: Add the force instead of only setting it to support multiple forces per frame?
             m_forceToApply = direc;
+            Animator.UpdateMovementAnimations();
         }
 
         #endregion
@@ -2331,25 +3218,27 @@ namespace OpenSim.Region.Framework.Scenes
 
         public override void Update()
         {
-            const float ROTATION_TOLERANCE = 0.01f;
-            const float VELOCITY_TOLERANCE = 0.001f;
-            const float POSITION_TOLERANCE = 0.05f;
-
             if (IsChildAgent == false)
             {
                 // NOTE: Velocity is not the same as m_velocity. Velocity will attempt to
                 // grab the latest PhysicsActor velocity, whereas m_velocity is often
                 // storing a requested force instead of an actual traveling velocity
-
-                // Throw away duplicate or insignificant updates
-                if (
-                    // If the velocity has become zero, send it no matter what.
-                       (Velocity != m_lastVelocity && Velocity == Vector3.Zero)
-                    // otherwise, if things have changed reasonably, send the update
-                    || (!Rotation.ApproxEquals(m_lastRotation, ROTATION_TOLERANCE)
-                        || !Velocity.ApproxEquals(m_lastVelocity, VELOCITY_TOLERANCE)
-                        || !m_pos.ApproxEquals(m_lastPosition, POSITION_TOLERANCE)))
-
+                if (Appearance.AvatarSize != m_lastSize && !IsLoggingIn)
+                    SendAvatarDataToAllClients();
+
+                // Allow any updates for sitting avatars to that llSetPrimitiveLinkParams() can work for very
+                // small increments (e.g. sit position adjusters).  An alternative may be to eliminate the tolerance
+                // checks on all updates but the ramifications of this would need careful consideration.
+                bool updateClients 
+                    = IsSatOnObject && (Rotation != m_lastRotation || Velocity != m_lastVelocity || m_pos != m_lastPosition);
+                                 
+                if (!updateClients)
+                    updateClients 
+                        = !Rotation.ApproxEquals(m_lastRotation, Scene.RootRotationUpdateTolerance) 
+                            || !Velocity.ApproxEquals(m_lastVelocity, Scene.RootVelocityUpdateTolerance)
+                            || !m_pos.ApproxEquals(m_lastPosition, Scene.RootPositionUpdateTolerance);
+
+                if (updateClients)
                 {
                     SendTerseUpdateToAllClients();
 
@@ -2359,7 +3248,8 @@ namespace OpenSim.Region.Framework.Scenes
                     m_lastVelocity = Velocity;
                 }
 
-                CheckForBorderCrossing();
+                if (Scene.AllowAvatarCrossing)
+                    CheckForBorderCrossing();
 
                 CheckForSignificantMovement(); // sends update to the modules.
             }
@@ -2369,7 +3259,6 @@ namespace OpenSim.Region.Framework.Scenes
 
         #region Update Client(s)
 
-
         /// <summary>
         /// Sends a location update to the client connected to this scenePresence
         /// </summary>
@@ -2380,6 +3269,29 @@ namespace OpenSim.Region.Framework.Scenes
             // server.
             if (remoteClient.IsActive)
             {
+                if (Scene.RootTerseUpdatePeriod > 1)
+                {
+//                    Console.WriteLine(
+//                        "{0} {1} {2} {3} {4} {5} for {6} to {7}", 
+//                        remoteClient.AgentId, UUID, remoteClient.SceneAgent.IsChildAgent, m_terseUpdateCount, Scene.RootTerseUpdatePeriod, Velocity.ApproxEquals(Vector3.Zero, 0.001f), Name, remoteClient.Name);
+                    if (remoteClient.AgentId != UUID
+                        && !remoteClient.SceneAgent.IsChildAgent
+                        && m_terseUpdateCount % Scene.RootTerseUpdatePeriod != 0 
+                        && !Velocity.ApproxEquals(Vector3.Zero, 0.001f))
+                    {
+//                        m_log.DebugFormat("[SCENE PRESENCE]: Discarded update from {0} to {1}, args {2} {3} {4} {5} {6} {7}",
+//                            Name, remoteClient.Name, remoteClient.AgentId, UUID, remoteClient.SceneAgent.IsChildAgent, m_terseUpdateCount, Scene.RootTerseUpdatePeriod, Velocity.ApproxEquals(Vector3.Zero, 0.001f));
+
+                        return;
+                    }
+                }
+
+                if (Scene.ChildTerseUpdatePeriod > 1 
+                    && remoteClient.SceneAgent.IsChildAgent
+                    && m_terseUpdateCount % Scene.ChildTerseUpdatePeriod != 0 
+                    && !Velocity.ApproxEquals(Vector3.Zero, 0.001f))
+                        return;
+
                 //m_log.DebugFormat("[SCENE PRESENCE]: " + Name + " sending TerseUpdate to " + remoteClient.Name + " : Pos={0} Rot={1} Vel={2}", m_pos, Rotation, m_velocity);
 
                 remoteClient.SendEntityUpdate(
@@ -2417,7 +3329,11 @@ namespace OpenSim.Region.Framework.Scenes
             float distanceError = Vector3.Distance(OffsetPosition, expectedPosition);
 
             float speed = Velocity.Length();
-            float velocidyDiff = Vector3.Distance(lastVelocitySentToAllClients, Velocity);
+            float velocityDiff = Vector3.Distance(lastVelocitySentToAllClients, Velocity);
+
+//            m_log.DebugFormat(
+//                "[SCENE PRESENCE]: Delta-v {0}, lastVelocity {1}, Velocity {2} for {3} in {4}",
+//                velocidyDiff, lastVelocitySentToAllClients, Velocity, Name, Scene.Name);
 
             // assuming 5 ms. worst case precision for timer, use 2x that 
             // for distance error threshold
@@ -2425,12 +3341,19 @@ namespace OpenSim.Region.Framework.Scenes
 
             if (speed < 0.01f // allow rotation updates if avatar position is unchanged
                 || Math.Abs(distanceError) > distanceErrorThreshold
-                || velocidyDiff > 0.01f) // did velocity change from last update?
+                || velocityDiff > 0.01f) // did velocity change from last update?
             {
+//                m_log.DebugFormat(
+//                    "[SCENE PRESENCE]: Update triggered with speed {0}, distanceError {1}, distanceThreshold {2}, delta-v {3} for {4} in {5}", 
+//                    speed, distanceError, distanceErrorThreshold, velocidyDiff, Name, Scene.Name);
+
                 lastVelocitySentToAllClients = Velocity;
                 lastTerseUpdateToAllClientsTick = currentTick;
                 lastPositionSentToAllClients = OffsetPosition;
 
+                m_terseUpdateCount++;
+
+//                Console.WriteLine("Scheduled update for {0} in {1}", Name, Scene.Name);
                 m_scene.ForEachClient(SendTerseUpdateToClient);
             }
             TriggerScenePresenceUpdated();
@@ -2456,24 +3379,30 @@ namespace OpenSim.Region.Framework.Scenes
             ControllingClient.SendCoarseLocationUpdate(avatarUUIDs, coarseLocations);
         }
 
-        public void SendInitialDataToMe()
+        public void SendInitialDataToClient()
         {
+            SentInitialDataToClient = true;
+
             // Send all scene object to the new client
-            Util.FireAndForget(delegate
+            WorkManager.RunJob("SendInitialDataToClient", delegate
             {
+//                m_log.DebugFormat(
+//                    "[SCENE PRESENCE]: Sending initial data to {0} agent {1} in {2}, tp flags {3}", 
+//                    IsChildAgent ? "child" : "root", Name, Scene.Name, m_teleportFlags);
+
                 // we created a new ScenePresence (a new child agent) in a fresh region.
                 // Request info about all the (root) agents in this region
                 // Note: This won't send data *to* other clients in that region (children don't send)
-                SendOtherAgentsAvatarDataToMe();
-                SendOtherAgentsAppearanceToMe();
+                SendOtherAgentsAvatarDataToClient();
+                SendOtherAgentsAppearanceToClient();
 
                 EntityBase[] entities = Scene.Entities.GetEntities();
-                foreach(EntityBase e in entities)
+                foreach (EntityBase e in entities)
                 {
                     if (e != null && e is SceneObjectGroup)
                         ((SceneObjectGroup)e).SendFullUpdateToClient(ControllingClient);
                 }
-            });
+            }, null, string.Format("SendInitialDataToClient ({0} in {1})", Name, Scene.Name), false, true);
         }
 
         /// <summary>
@@ -2506,26 +3435,33 @@ namespace OpenSim.Region.Framework.Scenes
             // getting other avatars information was initiated elsewhere immediately after the child circuit connected... don't do it
             // again here... this comes after the cached appearance check because the avatars
             // appearance goes into the avatar update packet
-            SendAvatarDataToAllAgents();
-            SendAppearanceToAgent(this);
+            SendAvatarDataToAllClients();
+
+            // This invocation always shows up in the viewer logs as an error.  Is it needed?
+            SendAppearanceToClient(this);
 
             // If we are using the the cached appearance then send it out to everyone
             if (cachedappearance)
             {
-                m_log.DebugFormat("[SCENE PRESENCE]: baked textures are in the cache for {0}", Name);
+                m_log.DebugFormat("[SCENE PRESENCE]: Baked textures are in the cache for {0} in {1}", Name, m_scene.Name);
 
                 // If the avatars baked textures are all in the cache, then we have a 
                 // complete appearance... send it out, if not, then we'll send it when
                 // the avatar finishes updating its appearance
-                SendAppearanceToAllOtherAgents();
+                SendAppearanceToAllOtherClients();
             }
         }
 
+        public void SendAvatarDataToAllClients()
+        {
+            SendAvatarDataToAllClients(true);
+        }
+
         /// <summary>
         /// Send this agent's avatar data to all other root and child agents in the scene
         /// This agent must be root. This avatar will receive its own update. 
         /// </summary>
-        public void SendAvatarDataToAllAgents()
+        public void SendAvatarDataToAllClients(bool full)
         {
             //m_log.DebugFormat("[SCENE PRESENCE] SendAvatarDataToAllAgents: {0} ({1})", Name, UUID);
             // only send update from root agents to other clients; children are only "listening posts"
@@ -2538,12 +3474,17 @@ namespace OpenSim.Region.Framework.Scenes
                 return;
             }
 
+            m_lastSize = Appearance.AvatarSize;
+
             int count = 0;
             m_scene.ForEachScenePresence(delegate(ScenePresence scenePresence)
-                                         {
-                                             SendAvatarDataToAgent(scenePresence);
-                                             count++;
-                                         });
+            {
+                if (full)
+                    SendAvatarDataToClient(scenePresence);
+                else
+                    scenePresence.ControllingClient.SendAvatarDataImmediate(this);
+                count++;
+            });
 
             m_scene.StatsReporter.AddAgentUpdates(count);
         }
@@ -2552,7 +3493,7 @@ namespace OpenSim.Region.Framework.Scenes
         /// Send avatar data for all other root agents to this agent, this agent
         /// can be either a child or root
         /// </summary>
-        public void SendOtherAgentsAvatarDataToMe()
+        public void SendOtherAgentsAvatarDataToClient()
         {
             int count = 0;
             m_scene.ForEachRootScenePresence(delegate(ScenePresence scenePresence)
@@ -2561,7 +3502,7 @@ namespace OpenSim.Region.Framework.Scenes
                             if (scenePresence.UUID == UUID)
                                 return;
                                              
-                            scenePresence.SendAvatarDataToAgent(this);
+                            scenePresence.SendAvatarDataToClient(this);
                             count++;
                         });
 
@@ -2572,9 +3513,9 @@ namespace OpenSim.Region.Framework.Scenes
         /// Send avatar data to an agent.
         /// </summary>
         /// <param name="avatar"></param>
-        public void SendAvatarDataToAgent(ScenePresence avatar)
+        public void SendAvatarDataToClient(ScenePresence avatar)
         {
-            //m_log.DebugFormat("[SCENE PRESENCE] SendAvatarDataToAgent from {0} ({1}) to {2} ({3})", Name, UUID, avatar.Name, avatar.UUID);
+            //m_log.DebugFormat("[SCENE PRESENCE] SendAvatarDataToClient from {0} ({1}) to {2} ({3})", Name, UUID, avatar.Name, avatar.UUID);
 
             avatar.ControllingClient.SendAvatarDataImmediate(this);
             Animator.SendAnimPackToClient(avatar.ControllingClient);
@@ -2584,9 +3525,9 @@ namespace OpenSim.Region.Framework.Scenes
         /// Send this agent's appearance to all other root and child agents in the scene
         /// This agent must be root.
         /// </summary>
-        public void SendAppearanceToAllOtherAgents()
+        public void SendAppearanceToAllOtherClients()
         {
-//            m_log.DebugFormat("[SCENE PRESENCE] SendAppearanceToAllOtherAgents: {0} {1}", Name, UUID);
+//            m_log.DebugFormat("[SCENE PRESENCE] SendAppearanceToAllOtherClients: {0} {1}", Name, UUID);
 
             // only send update from root agents to other clients; children are only "listening posts"
             if (IsChildAgent)
@@ -2605,7 +3546,7 @@ namespace OpenSim.Region.Framework.Scenes
                             if (scenePresence.UUID == UUID)
                                 return;
 
-                            SendAppearanceToAgent(scenePresence);
+                            SendAppearanceToClient(scenePresence);
                             count++;
                         });
 
@@ -2616,9 +3557,9 @@ namespace OpenSim.Region.Framework.Scenes
         /// Send appearance from all other root agents to this agent. this agent
         /// can be either root or child
         /// </summary>
-        public void SendOtherAgentsAppearanceToMe()
+        public void SendOtherAgentsAppearanceToClient()
         {
-//            m_log.DebugFormat("[SCENE PRESENCE] SendOtherAgentsAppearanceToMe: {0} {1}", Name, UUID);
+//            m_log.DebugFormat("[SCENE PRESENCE] SendOtherAgentsAppearanceToClient {0} {1}", Name, UUID);
 
             int count = 0;
             m_scene.ForEachRootScenePresence(delegate(ScenePresence scenePresence)
@@ -2627,7 +3568,7 @@ namespace OpenSim.Region.Framework.Scenes
                             if (scenePresence.UUID == UUID)
                                 return;
                                              
-                            scenePresence.SendAppearanceToAgent(this);
+                            scenePresence.SendAppearanceToClient(this);
                             count++;
                         });
 
@@ -2638,13 +3579,15 @@ namespace OpenSim.Region.Framework.Scenes
         /// Send appearance data to an agent.
         /// </summary>
         /// <param name="avatar"></param>
-        public void SendAppearanceToAgent(ScenePresence avatar)
+        public void SendAppearanceToClient(ScenePresence avatar)
         {
 //            m_log.DebugFormat(
 //                "[SCENE PRESENCE]: Sending appearance data from {0} {1} to {2} {3}", Name, m_uuid, avatar.Name, avatar.UUID);
 
             avatar.ControllingClient.SendAppearance(
                 UUID, Appearance.VisualParams, Appearance.Texture.GetBytes());
+
+            
         }
 
         #endregion
@@ -2663,11 +3606,10 @@ namespace OpenSim.Region.Framework.Scenes
             }
 
             // Minimum Draw distance is 64 meters, the Radius of the draw distance sphere is 32m
-            if (Util.GetDistanceTo(AbsolutePosition, m_lastChildAgentUpdatePosition) >= Scene.ChildReprioritizationDistance ||
-                Util.GetDistanceTo(CameraPosition, m_lastChildAgentUpdateCamPosition) >= Scene.ChildReprioritizationDistance)
+            if (Util.GetDistanceTo(AbsolutePosition, m_lastChildAgentUpdatePosition) >= Scene.ChildReprioritizationDistance)
             {
                 m_lastChildAgentUpdatePosition = AbsolutePosition;
-                m_lastChildAgentUpdateCamPosition = CameraPosition;
+//                m_lastChildAgentUpdateCamPosition = CameraPosition;
 
                 ChildAgentDataUpdate cadu = new ChildAgentDataUpdate();
                 cadu.ActiveGroupID = UUID.Zero.Guid;
@@ -2694,10 +3636,11 @@ namespace OpenSim.Region.Framework.Scenes
                 cadu.Velocity = Velocity;
 
                 AgentPosition agentpos = new AgentPosition();
-                agentpos.CopyFrom(cadu);
+                agentpos.CopyFrom(cadu, ControllingClient.SessionId);
 
                 // Let's get this out of the update loop
-                Util.FireAndForget(delegate { m_scene.SendOutChildAgentUpdates(agentpos, this); });
+                Util.FireAndForget(
+                    o => m_scene.SendOutChildAgentUpdates(agentpos, this), null, "ScenePresence.SendOutChildAgentUpdates");
             }
         }
 
@@ -2719,140 +3662,84 @@ namespace OpenSim.Region.Framework.Scenes
 
             // If we don't have a PhysActor, we can't cross anyway
             // Also don't do this while sat, sitting avatars cross with the
-            // object they sit on.
-            if (ParentID != 0 || PhysicsActor == null)
+            // object they sit on. ParentUUID denoted a pending sit, don't
+            // interfere with it.
+            if (ParentID != 0 || PhysicsActor == null || ParentUUID != UUID.Zero)
                 return;
 
-            if (!IsInTransit)
-            {
-                Vector3 pos2 = AbsolutePosition;
-                Vector3 vel = Velocity;
-                int neighbor = 0;
-                int[] fix = new int[2];
+            if (IsInTransit)
+                return;
 
-                float timeStep = 0.1f;
-                pos2.X = pos2.X + (vel.X * timeStep);
-                pos2.Y = pos2.Y + (vel.Y * timeStep);
-                pos2.Z = pos2.Z + (vel.Z * timeStep);
+            Vector3 pos2 = AbsolutePosition;
+            Vector3 origPosition = pos2;
+            Vector3 vel = Velocity;
 
-                if (!IsInTransit)
-                {
-                    // Checks if where it's headed exists a region
-                    bool needsTransit = false;
-                    if (m_scene.TestBorderCross(pos2, Cardinals.W))
-                    {
-                        if (m_scene.TestBorderCross(pos2, Cardinals.S))
-                        {
-                            needsTransit = true;
-                            neighbor = m_scene.HaveNeighbor(Cardinals.SW, ref fix);
-                        }
-                        else if (m_scene.TestBorderCross(pos2, Cardinals.N))
-                        {
-                            needsTransit = true;
-                            neighbor = m_scene.HaveNeighbor(Cardinals.NW, ref fix);
-                        }
-                        else
-                        {
-                            needsTransit = true;
-                            neighbor = m_scene.HaveNeighbor(Cardinals.W, ref fix);
-                        }
-                    }
-                    else if (m_scene.TestBorderCross(pos2, Cardinals.E))
-                    {
-                        if (m_scene.TestBorderCross(pos2, Cardinals.S))
-                        {
-                            needsTransit = true;
-                            neighbor = m_scene.HaveNeighbor(Cardinals.SE, ref fix);
-                        }
-                        else if (m_scene.TestBorderCross(pos2, Cardinals.N))
-                        {
-                            needsTransit = true;
-                            neighbor = m_scene.HaveNeighbor(Cardinals.NE, ref fix);
-                        }
-                        else
-                        {
-                            needsTransit = true;
-                            neighbor = m_scene.HaveNeighbor(Cardinals.E, ref fix);
-                        }
-                    }
-                    else if (m_scene.TestBorderCross(pos2, Cardinals.S))
-                    {
-                        needsTransit = true;
-                        neighbor = m_scene.HaveNeighbor(Cardinals.S, ref fix);
-                    }
-                    else if (m_scene.TestBorderCross(pos2, Cardinals.N))
-                    {
-                        needsTransit = true;
-                        neighbor = m_scene.HaveNeighbor(Cardinals.N, ref fix);
-                    }
+            // Compute the future avatar position.
+            // If the avatar will be crossing, we force the crossing to happen now
+            //     in the hope that this will make the avatar movement smoother when crossing.
+            pos2 += vel * 0.05f;
 
-                    // Makes sure avatar does not end up outside region
-                    if (neighbor <= 0)
-                    {
-                        if (needsTransit)
-                        {
-                            if (m_requestedSitTargetUUID == UUID.Zero)
-                            {
-                                bool isFlying = Flying;
-                                RemoveFromPhysicalScene();
-
-                                Vector3 pos = AbsolutePosition;
-                                if (AbsolutePosition.X < 0)
-                                    pos.X += Velocity.X * 2;
-                                else if (AbsolutePosition.X > Constants.RegionSize)
-                                    pos.X -= Velocity.X * 2;
-                                if (AbsolutePosition.Y < 0)
-                                    pos.Y += Velocity.Y * 2;
-                                else if (AbsolutePosition.Y > Constants.RegionSize)
-                                    pos.Y -= Velocity.Y * 2;
-                                Velocity = Vector3.Zero;
-                                AbsolutePosition = pos;
-
-//                                m_log.DebugFormat("[SCENE PRESENCE]: Prevented flyoff for {0} at {1}", Name, AbsolutePosition);
-
-                                AddToPhysicalScene(isFlying);
-                            }
-                        }
-                    }
-                    else if (neighbor > 0)
-                    {
-                        if (!CrossToNewRegion())
-                        {
-                            if (m_requestedSitTargetUUID == UUID.Zero)
-                            {
-                                bool isFlying = Flying;
-                                RemoveFromPhysicalScene();
-
-                                Vector3 pos = AbsolutePosition;
-                                if (AbsolutePosition.X < 0)
-                                    pos.X += Velocity.X * 2;
-                                else if (AbsolutePosition.X > Constants.RegionSize)
-                                    pos.X -= Velocity.X * 2;
-                                if (AbsolutePosition.Y < 0)
-                                    pos.Y += Velocity.Y * 2;
-                                else if (AbsolutePosition.Y > Constants.RegionSize)
-                                    pos.Y -= Velocity.Y * 2;
-                                Velocity = Vector3.Zero;
-                                AbsolutePosition = pos;
-
-                                AddToPhysicalScene(isFlying);
-                            }
-                        }
-                    }
-                }
-                else
+            if (m_scene.PositionIsInCurrentRegion(pos2))
+                return;
+
+            m_log.DebugFormat("{0} CheckForBorderCrossing: position outside region. {1} in {2} at pos {3}", 
+                                    LogHeader, Name, Scene.Name, pos2);
+
+            // Disconnect from the current region
+            bool isFlying = Flying;
+            RemoveFromPhysicalScene();
+
+            // pos2 is the forcasted position so make that the 'current' position so the crossing
+            //    code will move us into the newly addressed region.
+            m_pos = pos2;
+
+            if (CrossToNewRegion())
+            {
+                AddToPhysicalScene(isFlying);
+            }
+            else
+            {
+                // Tried to make crossing happen but it failed.
+                if (m_requestedSitTargetUUID == UUID.Zero)
                 {
-                    // This constant has been inferred from experimentation
-                    // I'm not sure what this value should be, so I tried a few values.
-                    timeStep = 0.04f;
-                    pos2 = AbsolutePosition;
-                    pos2.X = pos2.X + (vel.X * timeStep);
-                    pos2.Y = pos2.Y + (vel.Y * timeStep);
-                    // Don't touch the Z
-                    m_pos = pos2;
-                    m_log.DebugFormat("[SCENE PRESENCE]: In transit m_pos={0}", m_pos);
+                    m_log.DebugFormat("{0} CheckForBorderCrossing: Crossing failed. Restoring old position.", LogHeader);
+
+                    Velocity = Vector3.Zero;
+                    AbsolutePosition = EnforceSanityOnPosition(origPosition);
+
+                    AddToPhysicalScene(isFlying);
                 }
-            }   
+            }
+        }
+
+        // Given a position, make sure it is within the current region.
+        // If just outside some border, the returned position will be just inside the border on that side.
+        private Vector3 EnforceSanityOnPosition(Vector3 origPosition)
+        {
+            const float borderFudge = 0.1f;
+            Vector3 ret = origPosition;
+
+            // Sanity checking on the position to make sure it is in the region we couldn't cross from
+            float extentX = (float)m_scene.RegionInfo.RegionSizeX;
+            float extentY = (float)m_scene.RegionInfo.RegionSizeY;
+            IRegionCombinerModule combiner = m_scene.RequestModuleInterface<IRegionCombinerModule>();
+            if (combiner != null)
+            {
+                // If a mega-region, the size could be much bigger
+                Vector2 megaExtent = combiner.GetSizeOfMegaregion(m_scene.RegionInfo.RegionID);
+                extentX = megaExtent.X;
+                extentY = megaExtent.Y;
+            }
+            if (ret.X < 0)
+                ret.X = borderFudge;
+            else if (ret.X >= extentX)
+                ret.X = extentX - borderFudge;
+            if (ret.Y < 0)
+                ret.Y = borderFudge;
+            else if (ret.Y >= extentY)
+                ret.Y = extentY - borderFudge;
+
+            return ret;
         }
 
         /// <summary>
@@ -2873,18 +3760,13 @@ namespace OpenSim.Region.Framework.Scenes
             }
         }
 
-        public void RestoreInCurrentScene()
-        {
-            AddToPhysicalScene(false); // not exactly false
-        }
-
         public void Reset()
         {
 //            m_log.DebugFormat("[SCENE PRESENCE]: Resetting {0} in {1}", Name, Scene.RegionInfo.RegionName);
 
             // Put the child agent back at the center
             AbsolutePosition 
-                = new Vector3(((float)Constants.RegionSize * 0.5f), ((float)Constants.RegionSize * 0.5f), 70);
+                = new Vector3(((float)m_scene.RegionInfo.RegionSizeX * 0.5f), ((float)m_scene.RegionInfo.RegionSizeY * 0.5f), 70);
 
             Animator.ResetAnimations();
         }
@@ -2911,13 +3793,13 @@ namespace OpenSim.Region.Framework.Scenes
                 if (handle != Scene.RegionInfo.RegionHandle)
                 {
                     uint x, y;
-                    Utils.LongToUInts(handle, out x, out y);
-                    x = x / Constants.RegionSize;
-                    y = y / Constants.RegionSize;
+                    Util.RegionHandleToRegionLoc(handle, out x, out y);
 
 //                    m_log.Debug("---> x: " + x + "; newx:" + newRegionX + "; Abs:" + (int)Math.Abs((int)(x - newRegionX)));
 //                    m_log.Debug("---> y: " + y + "; newy:" + newRegionY + "; Abs:" + (int)Math.Abs((int)(y - newRegionY)));
-                    if (Util.IsOutsideView(DrawDistance, x, newRegionX, y, newRegionY))
+                    float dist = (float)Math.Max(Scene.DefaultDrawDistance,
+                            (float)Math.Max(Scene.RegionInfo.RegionSizeX, Scene.RegionInfo.RegionSizeY));
+                    if (Util.IsOutsideView(dist, x, newRegionX, y, newRegionY))
                     {
                         byebyeRegions.Add(handle);
                     }
@@ -2927,10 +3809,12 @@ namespace OpenSim.Region.Framework.Scenes
             if (byebyeRegions.Count > 0)
             {
                 m_log.Debug("[SCENE PRESENCE]: Closing " + byebyeRegions.Count + " child agents");
-                Util.FireAndForget(delegate 
-                { 
-                    m_scene.SceneGridService.SendCloseChildAgentConnections(ControllingClient.AgentId, byebyeRegions); 
-                });
+
+                AgentCircuitData acd = Scene.AuthenticateHandler.GetAgentCircuitData(UUID);
+                string auth = string.Empty;
+                if (acd != null)
+                    auth = acd.SessionID.ToString();
+                m_scene.SceneGridService.SendCloseChildAgentConnections(ControllingClient.AgentId, auth, byebyeRegions); 
             }
             
             foreach (ulong handle in byebyeRegions)
@@ -2971,36 +3855,45 @@ namespace OpenSim.Region.Framework.Scenes
 
         #region Child Agent Updates
 
-        public void ChildAgentDataUpdate(AgentData cAgentData)
+        public void UpdateChildAgent(AgentData cAgentData)
         {
 //            m_log.Debug("   >>> ChildAgentDataUpdate <<< " + Scene.RegionInfo.RegionName);
             if (!IsChildAgent)
                 return;
 
             CopyFrom(cAgentData);
+
+            m_updateAgentReceivedAfterTransferEvent.Set();
         }
 
         private static Vector3 marker = new Vector3(-1f, -1f, -1f);
+
         /// <summary>
         /// This updates important decision making data about a child agent
         /// The main purpose is to figure out what objects to send to a child agent that's in a neighboring region
         /// </summary>
-        public void ChildAgentDataUpdate(AgentPosition cAgentData, uint tRegionX, uint tRegionY, uint rRegionX, uint rRegionY)
+        public void UpdateChildAgent(AgentPosition cAgentData, uint tRegionX, uint tRegionY, uint rRegionX, uint rRegionY)
         {
             if (!IsChildAgent)
                 return;
 
-            //m_log.Debug("   >>> ChildAgentPositionUpdate <<< " + rRegionX + "-" + rRegionY);
-            int shiftx = ((int)rRegionX - (int)tRegionX) * (int)Constants.RegionSize;
-            int shifty = ((int)rRegionY - (int)tRegionY) * (int)Constants.RegionSize;
+//            m_log.DebugFormat(
+//                "[SCENE PRESENCE]: ChildAgentPositionUpdate for {0} in {1}, tRegion {2},{3}, rRegion {4},{5}, pos {6}",
+//                Name, Scene.Name, tRegionX, tRegionY, rRegionX, rRegionY, cAgentData.Position);
+
+            // Find  the distance (in meters) between the two regions
+            // XXX: We cannot use Util.RegionLocToHandle() here because a negative value will silently overflow the
+            // uint
+            int shiftx = (int)(((int)rRegionX - (int)tRegionX) * Constants.RegionSize);
+            int shifty = (int)(((int)rRegionY - (int)tRegionY) * Constants.RegionSize);
 
             Vector3 offset = new Vector3(shiftx, shifty, 0f);
 
             // When we get to the point of re-computing neighbors everytime this
             // changes, then start using the agent's drawdistance rather than the 
             // region's draw distance.
-            // DrawDistance = cAgentData.Far;
-            DrawDistance = Scene.DefaultDrawDistance;
+            DrawDistance = cAgentData.Far;
+            // DrawDistance = Scene.DefaultDrawDistance;
 
             if (cAgentData.Position != marker) // UGH!!
                 m_pos = cAgentData.Position + offset;
@@ -3027,6 +3920,7 @@ namespace OpenSim.Region.Framework.Scenes
 
             cAgent.AgentID = UUID;
             cAgent.RegionID = Scene.RegionInfo.RegionID;
+            cAgent.SessionID = ControllingClient.SessionId;
 
             cAgent.Position = AbsolutePosition;
             cAgent.Velocity = m_velocity;
@@ -3061,6 +3955,9 @@ namespace OpenSim.Region.Framework.Scenes
             cAgent.AlwaysRun = SetAlwaysRun;
 
             cAgent.Appearance = new AvatarAppearance(Appearance);
+
+            cAgent.ParentPart = ParentUUID;
+            cAgent.SitOffset = PrevSitOffset;
             
             lock (scriptedcontrols)
             {
@@ -3069,7 +3966,7 @@ namespace OpenSim.Region.Framework.Scenes
 
                 foreach (ScriptControllers c in scriptedcontrols.Values)
                 {
-                    controls[i++] = new ControllerData(c.itemID, (uint)c.ignoreControls, (uint)c.eventControls);
+                    controls[i++] = new ControllerData(c.objectID, c.itemID, (uint)c.ignoreControls, (uint)c.eventControls);
                 }
                 cAgent.Controllers = controls;
             }
@@ -3089,8 +3986,6 @@ namespace OpenSim.Region.Framework.Scenes
 
         private void CopyFrom(AgentData cAgent)
         {
-            m_originRegionID = cAgent.RegionID;
-
             m_callbackURI = cAgent.CallbackURI;
 //            m_log.DebugFormat(
 //                "[SCENE PRESENCE]: Set callback for {0} in {1} to {2} in CopyFrom()",
@@ -3102,12 +3997,14 @@ namespace OpenSim.Region.Framework.Scenes
             CameraAtAxis = cAgent.AtAxis;
             CameraLeftAxis = cAgent.LeftAxis;
             CameraUpAxis = cAgent.UpAxis;
+            ParentUUID = cAgent.ParentPart;
+            PrevSitOffset = cAgent.SitOffset;
 
             // When we get to the point of re-computing neighbors everytime this
             // changes, then start using the agent's drawdistance rather than the 
             // region's draw distance.
-            // DrawDistance = cAgent.Far;
-            DrawDistance = Scene.DefaultDrawDistance;
+            DrawDistance = cAgent.Far;
+            // DrawDistance = Scene.DefaultDrawDistance;
 
             if ((cAgent.Throttles != null) && cAgent.Throttles.Length > 0)
                 ControllingClient.SetChildAgentThrottle(cAgent.Throttles);
@@ -3139,6 +4036,7 @@ namespace OpenSim.Region.Framework.Scenes
                         foreach (ControllerData c in cAgent.Controllers)
                         {
                             ScriptControllers sc = new ScriptControllers();
+                            sc.objectID = c.ObjectID;
                             sc.itemID = c.ItemID;
                             sc.ignoreControls = (ScriptControlled)c.IgnoreControls;
                             sc.eventControls = (ScriptControlled)c.EventControls;
@@ -3159,7 +4057,27 @@ namespace OpenSim.Region.Framework.Scenes
                 Animator.Animations.SetImplicitDefaultAnimation(cAgent.AnimState.AnimID, cAgent.AnimState.SequenceNum, UUID.Zero);
 
             if (Scene.AttachmentsModule != null)
-                Scene.AttachmentsModule.CopyAttachments(cAgent, this);
+            {
+                // If the JobEngine is running we can schedule this job now and continue rather than waiting for all
+                // attachments to copy, which might take a long time in the Hypergrid case as the entire inventory
+                // graph is inspected for each attachments and assets possibly fetched.
+                // 
+                // We don't need to worry about a race condition as the job to later start the scripts is also 
+                // JobEngine scheduled and so will always occur after this task.
+                // XXX: This will not be true if JobEngine ever gets more than one thread.
+                WorkManager.RunJob(
+                    "CopyAttachments", 
+                    o => Scene.AttachmentsModule.CopyAttachments(cAgent, this), 
+                    null,
+                    string.Format("Copy attachments for {0} entering {1}", Name, Scene.Name),
+                    true);
+            }
+
+            // This must occur after attachments are copied or scheduled to be copied, as it releases the CompleteMovement() calling thread
+            // originating from the client completing a teleport.  Otherwise, CompleteMovement() code to restart
+            // script attachments can outrace this thread.
+            lock (m_originRegionIDAccessLock)
+                m_originRegionID = cAgent.RegionID;
         }
 
         public bool CopyAgent(out IAgentData agent)
@@ -3180,8 +4098,6 @@ namespace OpenSim.Region.Framework.Scenes
             {
                 Vector3 force = m_forceToApply.Value;
 
-                Updated = true;
-
                 Velocity = force;
 
                 m_forceToApply = null;
@@ -3206,20 +4122,23 @@ namespace OpenSim.Region.Framework.Scenes
             }
 
             if (Appearance.AvatarHeight == 0)
-                Appearance.SetHeight();
-
-            PhysicsScene scene = m_scene.PhysicsScene;
-
-            Vector3 pVec = AbsolutePosition;
-
+//                Appearance.SetHeight();
+                Appearance.SetSize(new Vector3(0.45f,0.6f,1.9f));
+                    
+/*
             PhysicsActor = scene.AddAvatar(
                 LocalId, Firstname + "." + Lastname, pVec,
-                new Vector3(0f, 0f, Appearance.AvatarHeight), isFlying);
+                new Vector3(0.45f, 0.6f, Appearance.AvatarHeight), isFlying);
+*/
+
+            PhysicsActor = m_scene.PhysicsScene.AddAvatar(
+                LocalId, Firstname + "." + Lastname, AbsolutePosition, Velocity,
+                Appearance.AvatarBoxSize, isFlying);
 
             //PhysicsActor.OnRequestTerseUpdate += SendTerseUpdateToAllClients;
             PhysicsActor.OnCollisionUpdate += PhysicsCollisionUpdate;
             PhysicsActor.OnOutOfBounds += OutOfBoundsCall; // Called for PhysicsActors when there's something wrong
-            PhysicsActor.SubscribeEvents(500);
+            PhysicsActor.SubscribeEvents(100);
             PhysicsActor.LocalID = LocalId;
         }
 
@@ -3233,6 +4152,7 @@ namespace OpenSim.Region.Framework.Scenes
                 ControllingClient.SendAgentAlertMessage("Physics is having a problem with your avatar.  You may not be able to move until you relog.", true);
         }
 
+
         /// <summary>
         /// Event called by the physics plugin to tell the avatar about a collision.
         /// </summary>
@@ -3246,7 +4166,7 @@ namespace OpenSim.Region.Framework.Scenes
         /// <param name="e"></param>
         public void PhysicsCollisionUpdate(EventArgs e)
         {
-            if (IsChildAgent)
+            if (IsChildAgent || Animator == null)
                 return;
             
             //if ((Math.Abs(Velocity.X) > 0.1e-9f) || (Math.Abs(Velocity.Y) > 0.1e-9f))
@@ -3255,14 +4175,14 @@ namespace OpenSim.Region.Framework.Scenes
 
 //                if (m_updateCount > 0)
 //                {
-            Animator.UpdateMovementAnimations();
+            if (Animator.UpdateMovementAnimations())
+                TriggerScenePresenceUpdated();
 //                    m_updateCount--;
 //                }
 
             CollisionEventUpdate collisionData = (CollisionEventUpdate)e;
             Dictionary<uint, ContactPoint> coldata = collisionData.m_objCollisionList;
 
-            CollisionPlane = Vector4.UnitW;
 
 //            // No collisions at all means we may be flying. Update always
 //            // to make falling work
@@ -3272,34 +4192,7 @@ namespace OpenSim.Region.Framework.Scenes
 //                m_lastColCount = coldata.Count;
 //            }
 
-            if (coldata.Count != 0)
-            {
-                switch (Animator.CurrentMovementAnimation)
-                {
-                    case "STAND":
-                    case "WALK":
-                    case "RUN":
-                    case "CROUCH":
-                    case "CROUCHWALK":
-                        {
-                            ContactPoint lowest;
-                            lowest.SurfaceNormal = Vector3.Zero;
-                            lowest.Position = Vector3.Zero;
-                            lowest.Position.Z = Single.NaN;
-
-                            foreach (ContactPoint contact in coldata.Values)
-                            {
-                                if (Single.IsNaN(lowest.Position.Z) || contact.Position.Z < lowest.Position.Z)
-                                {
-                                    lowest = contact;
-                                }
-                            }
-
-                            CollisionPlane = new Vector4(-lowest.SurfaceNormal, -Vector3.Dot(lowest.Position, lowest.SurfaceNormal));
-                        }
-                        break;
-                }
-            }
+            CollisionPlane = Vector4.UnitW;
 
             // Gods do not take damage and Invulnerable is set depending on parcel/region flags
             if (Invulnerable || GodLevel > 0)
@@ -3398,6 +4291,14 @@ namespace OpenSim.Region.Framework.Scenes
             // m_reprioritizationTimer.Dispose(); 
 
             RemoveFromPhysicalScene();
+          
+            m_scene.EventManager.OnRegionHeartbeatEnd -= RegionHeartbeatEnd;
+
+//            if (Animator != null)
+//                Animator.Close();
+            Animator = null;
+
+            LifecycleState = ScenePresenceState.Removed;
         }
 
         public void AddAttachment(SceneObjectGroup gobj)
@@ -3602,7 +4503,7 @@ namespace OpenSim.Region.Framework.Scenes
                         }
                     }
                 }
-            });
+            }, null, "ScenePresence.SendScriptEventToAttachments");
         }
 
         /// <summary>
@@ -3631,10 +4532,18 @@ namespace OpenSim.Region.Framework.Scenes
 
         public void RegisterControlEventsToScript(int controls, int accept, int pass_on, uint Obj_localID, UUID Script_item_UUID)
         {
+            SceneObjectPart p = m_scene.GetSceneObjectPart(Obj_localID);
+            if (p == null)
+                return;
+
+            ControllingClient.SendTakeControls(controls, false, false);
+            ControllingClient.SendTakeControls(controls, true, false);
+
             ScriptControllers obj = new ScriptControllers();
             obj.ignoreControls = ScriptControlled.CONTROL_ZERO;
             obj.eventControls = ScriptControlled.CONTROL_ZERO;
 
+            obj.objectID = p.ParentGroup.UUID;
             obj.itemID = Script_item_UUID;
             if (pass_on == 0 && accept == 0)
             {
@@ -3683,6 +4592,21 @@ namespace OpenSim.Region.Framework.Scenes
             ControllingClient.SendTakeControls(int.MaxValue, false, false);
         }
 
+        private void UnRegisterSeatControls(UUID obj)
+        {
+            List<UUID> takers = new List<UUID>();
+
+            foreach (ScriptControllers c in scriptedcontrols.Values)
+            {
+                if (c.objectID == obj)
+                    takers.Add(c.itemID);
+            }
+            foreach (UUID t in takers)
+            {
+                UnRegisterControlEventsToScript(0, t);
+            }
+        }
+
         public void UnRegisterControlEventsToScript(uint Obj_localID, UUID Script_item_UUID)
         {
             ScriptControllers takecontrols;
@@ -3899,6 +4823,7 @@ namespace OpenSim.Region.Framework.Scenes
                 (m_teleportFlags & TeleportFlags.ViaLocation) != 0 ||
                 (m_teleportFlags & Constants.TeleportFlags.ViaHGLogin) != 0)
             {
+
                 if (GodLevel < 200 &&
                     ((!m_scene.Permissions.IsGod(m_uuid) &&
                     !m_scene.RegionInfo.EstateSettings.IsEstateManagerOrOwner(m_uuid)) || 
@@ -3907,7 +4832,14 @@ namespace OpenSim.Region.Framework.Scenes
                 {
                     SpawnPoint[] spawnPoints = m_scene.RegionInfo.RegionSettings.SpawnPoints().ToArray();
                     if (spawnPoints.Length == 0)
+                    {
+                        if(m_scene.RegionInfo.EstateSettings.IsEstateManagerOrOwner(m_uuid))
+                        {
+                            pos.X = 128.0f;
+                            pos.Y = 128.0f;
+                        }
                         return;
+                    }
 
                     int index;
                     bool selected = false;
@@ -3916,6 +4848,8 @@ namespace OpenSim.Region.Framework.Scenes
                     {
                         case "random":
 
+                            if (spawnPoints.Length == 0)
+                                return;
                             do
                             {
                                 index = Util.RandomClass.Next(spawnPoints.Length - 1);
@@ -3927,6 +4861,7 @@ namespace OpenSim.Region.Framework.Scenes
                                 // SpawnPoint sp = spawnPoints[index];
 
                                 ILandObject land = m_scene.LandChannel.GetLandObject(spawnPosition.X, spawnPosition.Y);
+
                                 if (land == null || land.IsEitherBannedOrRestricted(UUID))
                                     selected = false;
                                 else
@@ -3999,8 +4934,15 @@ namespace OpenSim.Region.Framework.Scenes
             }
         }
 
+        // Modify landing point based on possible banning, telehubs or parcel restrictions.
         private void CheckAndAdjustLandingPoint(ref Vector3 pos)
         {
+            string reason;
+
+            // Honor bans
+            if (!m_scene.TestLandRestrictions(UUID, out reason, ref pos.X, ref pos.Y))
+                return;
+
             SceneObjectGroup telehub = null;
             if (m_scene.RegionInfo.RegionSettings.TelehubObject != UUID.Zero && (telehub = m_scene.GetSceneObjectGroup(m_scene.RegionInfo.RegionSettings.TelehubObject)) != null)
             {
@@ -4040,11 +4982,119 @@ namespace OpenSim.Region.Framework.Scenes
                         pos = land.LandData.UserLocation;
                     }
                 }
-
+                
                 land.SendLandUpdateToClient(ControllingClient);
             }
         }
 
+        private DetectedObject CreateDetObject(SceneObjectPart obj)
+        {
+            DetectedObject detobj = new DetectedObject();
+            detobj.keyUUID = obj.UUID;
+            detobj.nameStr = obj.Name;
+            detobj.ownerUUID = obj.OwnerID;
+            detobj.posVector = obj.AbsolutePosition;
+            detobj.rotQuat = obj.GetWorldRotation();
+            detobj.velVector = obj.Velocity;
+            detobj.colliderType = 0;
+            detobj.groupUUID = obj.GroupID;
+
+            return detobj;
+        }
+
+        private DetectedObject CreateDetObject(ScenePresence av)
+        {
+            DetectedObject detobj = new DetectedObject();
+            detobj.keyUUID = av.UUID;
+            detobj.nameStr = av.ControllingClient.Name;
+            detobj.ownerUUID = av.UUID;
+            detobj.posVector = av.AbsolutePosition;
+            detobj.rotQuat = av.Rotation;
+            detobj.velVector = av.Velocity;
+            detobj.colliderType = 0;
+            detobj.groupUUID = av.ControllingClient.ActiveGroupId;
+
+            return detobj;
+        }
+
+        private DetectedObject CreateDetObjectForGround()
+        {
+            DetectedObject detobj = new DetectedObject();
+            detobj.keyUUID = UUID.Zero;
+            detobj.nameStr = "";
+            detobj.ownerUUID = UUID.Zero;
+            detobj.posVector = AbsolutePosition;
+            detobj.rotQuat = Quaternion.Identity;
+            detobj.velVector = Vector3.Zero;
+            detobj.colliderType = 0;
+            detobj.groupUUID = UUID.Zero;
+
+            return detobj;
+        }
+
+        private ColliderArgs CreateColliderArgs(SceneObjectPart dest, List<uint> colliders)
+        {
+            ColliderArgs colliderArgs = new ColliderArgs();
+            List<DetectedObject> colliding = new List<DetectedObject>();
+            foreach (uint localId in colliders)
+            {
+                if (localId == 0)
+                    continue;
+
+                SceneObjectPart obj = m_scene.GetSceneObjectPart(localId);
+                if (obj != null)
+                {
+                    if (!dest.CollisionFilteredOut(obj.UUID, obj.Name))
+                        colliding.Add(CreateDetObject(obj));
+                }
+                else
+                {
+                    ScenePresence av = m_scene.GetScenePresence(localId);
+                    if (av != null && (!av.IsChildAgent))
+                    {
+                        if (!dest.CollisionFilteredOut(av.UUID, av.Name))
+                            colliding.Add(CreateDetObject(av));
+                    }
+                }
+            }
+
+            colliderArgs.Colliders = colliding;
+
+            return colliderArgs;
+        }
+
+        private delegate void ScriptCollidingNotification(uint localID, ColliderArgs message);
+
+        private void SendCollisionEvent(SceneObjectGroup dest, scriptEvents ev, List<uint> colliders, ScriptCollidingNotification notify)
+        {
+            ColliderArgs CollidingMessage;
+
+            if (colliders.Count > 0)
+            {
+                if ((dest.RootPart.ScriptEvents & ev) != 0)
+                {
+                    CollidingMessage = CreateColliderArgs(dest.RootPart, colliders);
+
+                    if (CollidingMessage.Colliders.Count > 0)
+                        notify(dest.RootPart.LocalId, CollidingMessage);
+                }
+            }
+        }
+
+        private void SendLandCollisionEvent(SceneObjectGroup dest, scriptEvents ev, ScriptCollidingNotification notify)
+        {
+            if ((dest.RootPart.ScriptEvents & ev) != 0)
+            {
+                ColliderArgs LandCollidingMessage = new ColliderArgs();
+                List<DetectedObject> colliding = new List<DetectedObject>();
+
+                colliding.Add(CreateDetObjectForGround());
+                LandCollidingMessage.Colliders = colliding;
+
+                notify(dest.RootPart.LocalId, LandCollidingMessage);
+            }
+        }
+
         private void TeleportFlagsDebug() {
     
             // Some temporary debugging help to show all the TeleportFlags we have...
@@ -4069,6 +5119,5 @@ namespace OpenSim.Region.Framework.Scenes
             m_log.InfoFormat("[SCENE PRESENCE]: TELEPORT ******************");
     
         }
-
     }
 }
diff --git a/OpenSim/Region/Framework/Scenes/ScenePresenceStateMachine.cs b/OpenSim/Region/Framework/Scenes/ScenePresenceStateMachine.cs
new file mode 100644
index 0000000..cae7fe5
--- /dev/null
+++ b/OpenSim/Region/Framework/Scenes/ScenePresenceStateMachine.cs
@@ -0,0 +1,113 @@
+/*
+ * Copyright (c) Contributors, http://opensimulator.org/
+ * See CONTRIBUTORS.TXT for a full list of copyright holders.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * Neither the name of the OpenSimulator Project nor the
+ *       names of its contributors may be used to endorse or promote products
+ *       derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+using System;
+
+namespace OpenSim.Region.Framework.Scenes
+{
+    /// <summary>
+    /// The possible states that a scene presence can be in.  This is currently orthagonal to whether a scene presence
+    /// is root or child.
+    /// </summary>
+    /// <remarks>
+    /// This is a state machine.
+    ///
+    /// [Entry]               => Running
+    /// Running               => PreRemove, Removing
+    /// PreRemove             => Running, Removing
+    /// Removing              => Removed
+    /// 
+    /// All other methods should only see the scene presence in running state - this is the normal operational state
+    /// Removed state occurs when the presence has been removed.  This is the end state with no exit.
+    /// </remarks>
+    public enum ScenePresenceState
+    {
+        Running,                // Normal operation state.  The scene presence is available.
+        PreRemove,              // The presence is due to be removed but can still be returning to running.
+        Removing,               // The presence is in the process of being removed from the scene via Scene.RemoveClient.
+        Removed,                // The presence has been removed from the scene and is effectively dead.
+                                // There is no exit from this state.
+    }
+
+    internal class ScenePresenceStateMachine
+    {
+        private ScenePresence m_sp;
+        private ScenePresenceState m_state;
+
+        internal ScenePresenceStateMachine(ScenePresence sp)
+        {
+            m_sp = sp;
+            m_state = ScenePresenceState.Running;
+        }
+
+        internal ScenePresenceState GetState()
+        {
+            return m_state;
+        }
+
+        /// <summary>
+        /// Updates the state of an agent that is already in transit.
+        /// </summary>
+        /// <param name='id'></param>
+        /// <param name='newState'></param>
+        /// <returns></returns>
+        /// <exception cref='Exception'>Illegal transitions will throw an Exception</exception>
+        internal void SetState(ScenePresenceState newState)
+        {
+            bool transitionOkay = false;
+
+            lock (this)
+            {
+                if (newState == m_state)
+                    return;
+                else if (newState == ScenePresenceState.Running && m_state == ScenePresenceState.PreRemove)
+                    transitionOkay = true;
+                else if (newState == ScenePresenceState.PreRemove && m_state == ScenePresenceState.Running)
+                    transitionOkay = true;
+                else if (newState == ScenePresenceState.Removing)
+                {   
+                    if (m_state == ScenePresenceState.Running || m_state == ScenePresenceState.PreRemove)
+                        transitionOkay = true;
+                }
+                else if (newState == ScenePresenceState.Removed && m_state == ScenePresenceState.Removing)
+                    transitionOkay = true;
+            }           
+
+            if (!transitionOkay)
+            {
+                throw new Exception(
+                    string.Format(
+                        "Scene presence {0} is not allowed to move from state {1} to new state {2} in {3}",
+                        m_sp.Name, m_state, newState, m_sp.Scene.Name));
+            }
+            else
+            {
+                m_state = newState;
+            }
+        }
+    }
+}
\ No newline at end of file
diff --git a/OpenSim/Region/Framework/Scenes/Scripting/ScriptEngineInterface.cs b/OpenSim/Region/Framework/Scenes/Scripting/ScriptEngineInterface.cs
deleted file mode 100644
index 812a21c..0000000
--- a/OpenSim/Region/Framework/Scenes/Scripting/ScriptEngineInterface.cs
+++ /dev/null
@@ -1,38 +0,0 @@
-/*
- * Copyright (c) Contributors, http://opensimulator.org/
- * See CONTRIBUTORS.TXT for a full list of copyright holders.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *     * Redistributions of source code must retain the above copyright
- *       notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above copyright
- *       notice, this list of conditions and the following disclaimer in the
- *       documentation and/or other materials provided with the distribution.
- *     * Neither the name of the OpenSimulator Project nor the
- *       names of its contributors may be used to endorse or promote products
- *       derived from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
- * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
- * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-//TODO: WHERE TO PLACE THIS?
-
-namespace OpenSim.Region.Framework.Scenes.Scripting
-{
-    public interface ScriptEngineInterface
-    {
-        void InitializeEngine(Scene Sceneworld);
-        void Shutdown();
-//        void StartScript(string ScriptID, IScriptHost ObjectID);
-    }
-}
diff --git a/OpenSim/Region/Framework/Scenes/Scripting/ScriptEngineLoader.cs b/OpenSim/Region/Framework/Scenes/Scripting/ScriptEngineLoader.cs
deleted file mode 100644
index c58ccc5..0000000
--- a/OpenSim/Region/Framework/Scenes/Scripting/ScriptEngineLoader.cs
+++ /dev/null
@@ -1,119 +0,0 @@
-/*
- * Copyright (c) Contributors, http://opensimulator.org/
- * See CONTRIBUTORS.TXT for a full list of copyright holders.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *     * Redistributions of source code must retain the above copyright
- *       notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above copyright
- *       notice, this list of conditions and the following disclaimer in the
- *       documentation and/or other materials provided with the distribution.
- *     * Neither the name of the OpenSimulator Project nor the
- *       names of its contributors may be used to endorse or promote products
- *       derived from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
- * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
- * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-/* Original code: Tedd Hansen */
-using System;
-using System.IO;
-using System.Reflection;
-using log4net;
-
-namespace OpenSim.Region.Framework.Scenes.Scripting
-{
-    public class ScriptEngineLoader
-    {
-        private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
-
-        public ScriptEngineInterface LoadScriptEngine(string EngineName)
-        {
-            ScriptEngineInterface ret = null;
-            try
-            {
-                ret =
-                    LoadAndInitAssembly(
-                        Path.Combine("ScriptEngines", "OpenSim.Region.ScriptEngine." + EngineName + ".dll"),
-                        "OpenSim.Region.ScriptEngine." + EngineName + ".ScriptEngine");
-            }
-            catch (Exception e)
-            {
-                m_log.Error("[ScriptEngine]: " +
-                            "Error loading assembly \"" + EngineName + "\": " + e.Message + ", " +
-                            e.StackTrace.ToString());
-            }
-            return ret;
-        }
-
-        /// <summary>
-        /// Does actual loading and initialization of script Assembly
-        /// </summary>
-        /// <param name="FreeAppDomain">AppDomain to load script into</param>
-        /// <param name="FileName">FileName of script assembly (.dll)</param>
-        /// <returns></returns>
-        private ScriptEngineInterface LoadAndInitAssembly(string FileName, string NameSpace)
-        {
-            //Common.SendToDebug("Loading ScriptEngine Assembly " + FileName);
-            // Load .Net Assembly (.dll)
-            // Initialize and return it
-
-            // TODO: Add error handling
-
-            Assembly a;
-            //try
-            //{
-
-
-            // Load to default appdomain (temporary)
-            a = Assembly.LoadFrom(FileName);
-            // Load to specified appdomain
-            // TODO: Insert security
-            //a = FreeAppDomain.Load(FileName);
-            //}
-            //catch (Exception e)
-            //{
-            //    m_log.Error("[ScriptEngine]: Error loading assembly \String.Empty + FileName + "\": " + e.ToString());
-            //}
-
-
-            //m_log.Debug("Loading: " + FileName);
-            //foreach (Type _t in a.GetTypes())
-            //{
-            //    m_log.Debug("Type: " + _t.ToString());
-            //}
-
-            Type t;
-            //try
-            //{
-            t = a.GetType(NameSpace, true);
-            //}
-            //catch (Exception e)
-            //{
-            //    m_log.Error("[ScriptEngine]: Error initializing type \String.Empty + NameSpace + "\" from \String.Empty + FileName + "\": " + e.ToString());
-            //}
-
-            ScriptEngineInterface ret;
-            //try
-            //{
-            ret = (ScriptEngineInterface) Activator.CreateInstance(t);
-            //}
-            //catch (Exception e)
-            //{
-            //    m_log.Error("[ScriptEngine]: Error initializing type \String.Empty + NameSpace + "\" from \String.Empty + FileName + "\": " + e.ToString());
-            //}
-
-            return ret;
-        }
-    }
-}
diff --git a/OpenSim/Region/Framework/Scenes/Scripting/ScriptUtils.cs b/OpenSim/Region/Framework/Scenes/Scripting/ScriptUtils.cs
new file mode 100644
index 0000000..f08ba59
--- /dev/null
+++ b/OpenSim/Region/Framework/Scenes/Scripting/ScriptUtils.cs
@@ -0,0 +1,107 @@
+/*
+ * Copyright (c) Contributors, http://opensimulator.org/
+ * See CONTRIBUTORS.TXT for a full list of copyright holders.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * Neither the name of the OpenSimulator Project nor the
+ *       names of its contributors may be used to endorse or promote products
+ *       derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+using System;
+using System.Collections.Generic;
+using OpenMetaverse;
+using OpenSim.Framework;
+
+namespace OpenSim.Region.Framework.Scenes.Scripting
+{
+    /// <summary>
+    /// Utility functions for use by scripts manipulating the scene.
+    /// </summary>
+    public static class ScriptUtils
+    {
+        /// <summary>
+        /// Get an asset id given an item name and an item type.
+        /// </summary>
+        /// <returns>UUID.Zero if the name and type did not match any item.</returns>
+        /// <param name='part'></param>
+        /// <param name='name'></param>
+        /// <param name='type'></param>
+        public static UUID GetAssetIdFromItemName(SceneObjectPart part, string name, int type)
+        {
+            TaskInventoryItem item = part.Inventory.GetInventoryItem(name);
+
+            if (item != null && item.Type == type)
+                return item.AssetID;
+            else
+                return UUID.Zero;
+        }
+
+        /// <summary>
+        /// accepts a valid UUID, -or- a name of an inventory item.
+        /// Returns a valid UUID or UUID.Zero if key invalid and item not found
+        /// in prim inventory.
+        /// </summary>
+        /// <param name="part">Scene object part to search for inventory item</param>
+        /// <param name="key"></param>
+        /// <returns></returns>
+        public static UUID GetAssetIdFromKeyOrItemName(SceneObjectPart part, string identifier)
+        {
+            UUID key;
+
+            // if we can parse the string as a key, use it.
+            // else try to locate the name in inventory of object. found returns key,
+            // not found returns UUID.Zero
+            if (!UUID.TryParse(identifier, out key))
+            {
+                TaskInventoryItem item = part.Inventory.GetInventoryItem(identifier);
+
+                if (item != null)
+                    key = item.AssetID;
+                else
+                    key = UUID.Zero;
+            }
+
+            return key;
+        }
+
+        /// <summary>
+        /// Return the UUID of the asset matching the specified key or name
+        /// and asset type.
+        /// </summary>
+        /// <param name="part">Scene object part to search for inventory item</param>
+        /// <param name="identifier"></param>
+        /// <param name="type"></param>
+        /// <returns></returns>
+        public static UUID GetAssetIdFromKeyOrItemName(SceneObjectPart part, string identifier, AssetType type)
+        {
+            UUID key;
+
+            if (!UUID.TryParse(identifier, out key))
+            {
+                TaskInventoryItem item = part.Inventory.GetInventoryItem(identifier);
+                if (item != null && item.Type == (int)type)
+                    key = item.AssetID;
+            }
+
+            return key;
+        }
+    }
+}
\ No newline at end of file
diff --git a/OpenSim/Region/Framework/Scenes/Serialization/CoalescedSceneObjectsSerializer.cs b/OpenSim/Region/Framework/Scenes/Serialization/CoalescedSceneObjectsSerializer.cs
index 5cb271d..998789d 100644
--- a/OpenSim/Region/Framework/Scenes/Serialization/CoalescedSceneObjectsSerializer.cs
+++ b/OpenSim/Region/Framework/Scenes/Serialization/CoalescedSceneObjectsSerializer.cs
@@ -119,21 +119,22 @@ namespace OpenSim.Region.Framework.Scenes.Serialization
                 return output;
             }
         }
-        
+
         public static bool TryFromXml(string xml, out CoalescedSceneObjects coa)
         {
 //            m_log.DebugFormat("[COALESCED SCENE OBJECTS SERIALIZER]: TryFromXml() deserializing {0}", xml);
             
             coa = null;
-            int i = 0;
             
-            using (StringReader sr = new StringReader(xml))
-            {                
-                using (XmlTextReader reader = new XmlTextReader(sr))
-                {
-                    try
+            try
+            {
+                // Quickly check if this is a coalesced object, without fully parsing the XML
+                using (StringReader sr = new StringReader(xml))
+                {                
+                    using (XmlTextReader reader = new XmlTextReader(sr))
                     {
-                        reader.Read();
+                        reader.MoveToContent(); // skip possible xml declaration
+
                         if (reader.Name != "CoalescedObject")
                         {
     //                        m_log.DebugFormat(
@@ -142,49 +143,47 @@ namespace OpenSim.Region.Framework.Scenes.Serialization
                             
                             return false;
                         }
-                        
-                        coa = new CoalescedSceneObjects(UUID.Zero);                    
-                        reader.Read();                                            
-                        
-                        while (reader.NodeType != XmlNodeType.EndElement && reader.Name != "CoalescedObject")
-                        {
-                            if (reader.Name == "SceneObjectGroup")
-                            {
-                                string soXml = reader.ReadOuterXml();
-
-                                SceneObjectGroup so = SceneObjectSerializer.FromOriginalXmlFormat(soXml);
-
-                                if (so != null)
-                                {
-                                    coa.Add(so);
-                                }
-                                else
-                                {
-                                    // XXX: Possibly we should fail outright here rather than continuing if a particular component of the 
-                                    // coalesced object fails to load.
-                                    m_log.WarnFormat(
-                                        "[COALESCED SCENE OBJECTS SERIALIZER]: Deserialization of xml for component {0} failed.  Continuing.", 
-                                        i);
-                                }
+                    }
+                }
 
-                                i++;
-                            }
-                        }
+                XmlDocument doc = new XmlDocument();
+                doc.LoadXml(xml);
+                XmlElement e = (XmlElement)doc.SelectSingleNode("/CoalescedObject");
+                if (e == null)
+                    return false;
                         
-                        reader.ReadEndElement(); // CoalescedObject
+                coa = new CoalescedSceneObjects(UUID.Zero);
+
+                XmlNodeList groups = e.SelectNodes("SceneObjectGroup");
+                int i = 0;
+                
+                foreach (XmlNode n in groups)
+                {
+                    SceneObjectGroup so = SceneObjectSerializer.FromOriginalXmlFormat(n.OuterXml);
+                    if (so != null)
+                    {
+                        coa.Add(so);
                     }
-                    catch (Exception e)
+                    else
                     {
-                        m_log.ErrorFormat(
-                            "[COALESCED SCENE OBJECTS SERIALIZER]: Deserialization of xml failed with {0} {1}", 
-                            e.Message, e.StackTrace);
-                        
-                        return false;
-                    }                        
+                        // XXX: Possibly we should fail outright here rather than continuing if a particular component of the 
+                        // coalesced object fails to load.
+                        m_log.WarnFormat(
+                            "[COALESCED SCENE OBJECTS SERIALIZER]: Deserialization of xml for component {0} failed.  Continuing.", 
+                            i);
+                    }
+
+                    i++;
                 }
             }
+            catch (Exception e)
+            {
+                m_log.Error("[COALESCED SCENE OBJECTS SERIALIZER]: Deserialization of xml failed ",  e);
+                Util.LogFailedXML("[COALESCED SCENE OBJECTS SERIALIZER]:", xml);
+                return false;
+            }                        
             
             return true;
         }
     }
-}
\ No newline at end of file
+}
diff --git a/OpenSim/Region/Framework/Scenes/Serialization/SceneObjectSerializer.cs b/OpenSim/Region/Framework/Scenes/Serialization/SceneObjectSerializer.cs
index 2d4c60a..4caa9cb 100644
--- a/OpenSim/Region/Framework/Scenes/Serialization/SceneObjectSerializer.cs
+++ b/OpenSim/Region/Framework/Scenes/Serialization/SceneObjectSerializer.cs
@@ -38,6 +38,7 @@ using OpenSim.Framework;
 using OpenSim.Framework.Serialization.External;
 using OpenSim.Region.Framework.Interfaces;
 using OpenSim.Region.Framework.Scenes;
+using OpenSim.Services.Interfaces;
 
 namespace OpenSim.Region.Framework.Scenes.Serialization
 {
@@ -51,7 +52,7 @@ namespace OpenSim.Region.Framework.Scenes.Serialization
         private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
 
         private static IUserManagement m_UserManagement;
-        
+
         /// <summary>
         /// Deserialize a scene object from the original xml format
         /// </summary>
@@ -59,57 +60,62 @@ namespace OpenSim.Region.Framework.Scenes.Serialization
         /// <returns>The scene object deserialized.  Null on failure.</returns>
         public static SceneObjectGroup FromOriginalXmlFormat(string xmlData)
         {
-            //m_log.DebugFormat("[SOG]: Starting deserialization of SOG");
-            //int time = System.Environment.TickCount;
-
-            try
+            String fixedData = ExternalRepresentationUtils.SanitizeXml(xmlData);
+            using (XmlTextReader wrappedReader = new XmlTextReader(fixedData, XmlNodeType.Element, null))
             {
-                StringReader  sr;
-                XmlTextReader reader;
-                XmlNodeList   parts;
-                XmlDocument   doc;
-                int           linkNum;
-
-                doc = new XmlDocument();
-                doc.LoadXml(xmlData);
-                parts = doc.GetElementsByTagName("RootPart");
+                using (XmlReader reader = XmlReader.Create(wrappedReader, new XmlReaderSettings() { IgnoreWhitespace = true, ConformanceLevel = ConformanceLevel.Fragment }))
+                {
+                    try {
+                        return FromOriginalXmlFormat(reader);
+                    }
+                    catch (Exception e)
+                    {
+                        m_log.Error("[SERIALIZER]: Deserialization of xml failed ", e);
+                        Util.LogFailedXML("[SERIALIZER]:", fixedData);
+                        return null;
+                    }
+                }
+            }
+        }
 
-                if (parts.Count == 0)
-                    throw new Exception("Invalid Xml format - no root part");
+        /// <summary>
+        /// Deserialize a scene object from the original xml format
+        /// </summary>
+        /// <param name="xmlData"></param>
+        /// <returns>The scene object deserialized.  Null on failure.</returns>
+        public static SceneObjectGroup FromOriginalXmlFormat(XmlReader reader)
+        {
+            //m_log.DebugFormat("[SOG]: Starting deserialization of SOG");
+            //int time = System.Environment.TickCount;
 
-                sr = new StringReader(parts[0].InnerXml);
-                reader = new XmlTextReader(sr);
-                SceneObjectGroup sceneObject = new SceneObjectGroup(SceneObjectPart.FromXml(reader));
-                reader.Close();
-                sr.Close();
+            int linkNum;
 
-                parts = doc.GetElementsByTagName("Part");
+            reader.ReadToFollowing("RootPart");
+            reader.ReadToFollowing("SceneObjectPart");
+            SceneObjectGroup sceneObject = new SceneObjectGroup(SceneObjectPart.FromXml(reader));
+            reader.ReadToFollowing("OtherParts");
 
-                for (int i = 0; i < parts.Count; i++)
+            if (reader.ReadToDescendant("Part"))
+            {
+                do
                 {
-                    sr = new StringReader(parts[i].InnerXml);
-                    reader = new XmlTextReader(sr);
-                    SceneObjectPart part = SceneObjectPart.FromXml(reader);
-                    linkNum = part.LinkNum;
-                    sceneObject.AddPart(part);
-                    part.LinkNum = linkNum;
-                    part.TrimPermissions();
-                    reader.Close();
-                    sr.Close();
-                }
+                    if (reader.ReadToDescendant("SceneObjectPart"))
+                    {
+                        SceneObjectPart part = SceneObjectPart.FromXml(reader);
+                        linkNum = part.LinkNum;
+                        sceneObject.AddPart(part);
+                        part.LinkNum = linkNum;
+                        part.TrimPermissions();
+                    }
+                }                    
+                while (reader.ReadToNextSibling("Part"));
+            }
 
-                // Script state may, or may not, exist. Not having any, is NOT
-                // ever a problem.
-                sceneObject.LoadScriptState(doc);
+            // Script state may, or may not, exist. Not having any, is NOT
+            // ever a problem.
+            sceneObject.LoadScriptState(reader);
 
-                return sceneObject;
-            }
-            catch (Exception e)
-            {
-                m_log.ErrorFormat(
-                    "[SERIALIZER]: Deserialization of xml failed with {0}.  xml was {1}", e, xmlData);
-                return null;
-            }
+            return sceneObject;
         }
 
         /// <summary>
@@ -232,7 +238,8 @@ namespace OpenSim.Region.Framework.Scenes.Serialization
 
                 if (parts.Count == 0)
                 {
-                    m_log.ErrorFormat("[SERIALIZER]: Deserialization of xml failed: No SceneObjectPart nodes. xml was " + xmlData);
+                    m_log.Error("[SERIALIZER]: Deserialization of xml failed: No SceneObjectPart nodes");
+                    Util.LogFailedXML("[SERIALIZER]:", xmlData);
                     return null;
                 }
 
@@ -262,6 +269,12 @@ namespace OpenSim.Region.Framework.Scenes.Serialization
                     sr.Close();
                 }
 
+                XmlNodeList keymotion = doc.GetElementsByTagName("KeyframeMotion");
+                if (keymotion.Count > 0)
+                    sceneObject.RootPart.KeyframeMotion = KeyframeMotion.FromData(sceneObject, Convert.FromBase64String(keymotion[0].InnerText));
+                else
+                    sceneObject.RootPart.KeyframeMotion = null;
+
                 // Script state may, or may not, exist. Not having any, is NOT
                 // ever a problem.
                 sceneObject.LoadScriptState(doc);
@@ -270,7 +283,8 @@ namespace OpenSim.Region.Framework.Scenes.Serialization
             }
             catch (Exception e)
             {
-                m_log.ErrorFormat("[SERIALIZER]: Deserialization of xml failed with {0}.  xml was {1}", e, xmlData);
+                m_log.Error("[SERIALIZER]: Deserialization of xml failed ", e);
+                Util.LogFailedXML("[SERIALIZER]:", xmlData);
                 return null;
             }
         }
@@ -293,17 +307,84 @@ namespace OpenSim.Region.Framework.Scenes.Serialization
             }
         }
 
+        
+        /// <summary>
+        /// Modifies a SceneObjectGroup.
+        /// </summary>
+        /// <param name="sog">The object</param>
+        /// <returns>Whether the object was actually modified</returns>
+        public delegate bool SceneObjectModifier(SceneObjectGroup sog);
+        
+        /// <summary>
+        /// Modifies an object by deserializing it; applying 'modifier' to each SceneObjectGroup; and reserializing.
+        /// </summary>
+        /// <param name="assetId">The object's UUID</param>
+        /// <param name="data">Serialized data</param>
+        /// <param name="modifier">The function to run on each SceneObjectGroup</param>
+        /// <returns>The new serialized object's data, or null if an error occurred</returns>
+        public static byte[] ModifySerializedObject(UUID assetId, byte[] data, SceneObjectModifier modifier)
+        {
+            List<SceneObjectGroup> sceneObjects = new List<SceneObjectGroup>();
+            CoalescedSceneObjects coa = null;
+
+            string xmlData = ExternalRepresentationUtils.SanitizeXml(Utils.BytesToString(data));
+            
+            if (CoalescedSceneObjectsSerializer.TryFromXml(xmlData, out coa))
+            {
+                // m_log.DebugFormat("[SERIALIZER]: Loaded coalescence {0} has {1} objects", assetId, coa.Count);
+
+                if (coa.Objects.Count == 0)
+                {
+                    m_log.WarnFormat("[SERIALIZER]: Aborting load of coalesced object from asset {0} as it has zero loaded components", assetId);
+                    return null;
+                }
+
+                sceneObjects.AddRange(coa.Objects);
+            }
+            else
+            {
+                SceneObjectGroup deserializedObject = FromOriginalXmlFormat(xmlData);
+
+                if (deserializedObject != null)
+                {
+                    sceneObjects.Add(deserializedObject);
+                }
+                else
+                {
+                    m_log.WarnFormat("[SERIALIZER]: Aborting load of object from asset {0} as deserialization failed", assetId);
+                    return null;
+                }
+            }
+
+            bool modified = false;
+            foreach (SceneObjectGroup sog in sceneObjects)
+            {
+                if (modifier(sog))
+                    modified = true;
+            }
+
+            if (modified)
+            {
+                if (coa != null)
+                    data = Utils.StringToBytes(CoalescedSceneObjectsSerializer.ToXml(coa));
+                else
+                    data = Utils.StringToBytes(ToOriginalXmlFormat(sceneObjects[0]));
+            }
+
+            return data;
+        }
+
 
         #region manual serialization
 
-        private static Dictionary<string, Action<SceneObjectPart, XmlTextReader>> m_SOPXmlProcessors
-            = new Dictionary<string, Action<SceneObjectPart, XmlTextReader>>();
+        private static Dictionary<string, Action<SceneObjectPart, XmlReader>> m_SOPXmlProcessors
+            = new Dictionary<string, Action<SceneObjectPart, XmlReader>>();
 
-        private static Dictionary<string, Action<TaskInventoryItem, XmlTextReader>> m_TaskInventoryXmlProcessors
-            = new Dictionary<string, Action<TaskInventoryItem, XmlTextReader>>();
+        private static Dictionary<string, Action<TaskInventoryItem, XmlReader>> m_TaskInventoryXmlProcessors
+            = new Dictionary<string, Action<TaskInventoryItem, XmlReader>>();
 
-        private static Dictionary<string, Action<PrimitiveBaseShape, XmlTextReader>> m_ShapeXmlProcessors
-            = new Dictionary<string, Action<PrimitiveBaseShape, XmlTextReader>>();
+        private static Dictionary<string, Action<PrimitiveBaseShape, XmlReader>> m_ShapeXmlProcessors
+            = new Dictionary<string, Action<PrimitiveBaseShape, XmlReader>>();
 
         static SceneObjectSerializer()
         {
@@ -359,6 +440,8 @@ namespace OpenSim.Region.Framework.Scenes.Serialization
             m_SOPXmlProcessors.Add("CollisionSound", ProcessCollisionSound);
             m_SOPXmlProcessors.Add("CollisionSoundVolume", ProcessCollisionSoundVolume);
             m_SOPXmlProcessors.Add("MediaUrl", ProcessMediaUrl);
+            m_SOPXmlProcessors.Add("AttachedPos", ProcessAttachedPos);
+            m_SOPXmlProcessors.Add("DynAttrs", ProcessDynAttrs);
             m_SOPXmlProcessors.Add("TextureAnimation", ProcessTextureAnimation);
             m_SOPXmlProcessors.Add("ParticleSystem", ProcessParticleSystem);
             m_SOPXmlProcessors.Add("PayPrice0", ProcessPayPrice0);
@@ -366,6 +449,13 @@ namespace OpenSim.Region.Framework.Scenes.Serialization
             m_SOPXmlProcessors.Add("PayPrice2", ProcessPayPrice2);
             m_SOPXmlProcessors.Add("PayPrice3", ProcessPayPrice3);
             m_SOPXmlProcessors.Add("PayPrice4", ProcessPayPrice4);
+
+            m_SOPXmlProcessors.Add("PhysicsShapeType", ProcessPhysicsShapeType);
+            m_SOPXmlProcessors.Add("Density", ProcessDensity);
+            m_SOPXmlProcessors.Add("Friction", ProcessFriction);
+            m_SOPXmlProcessors.Add("Bounce", ProcessBounce);
+            m_SOPXmlProcessors.Add("GravityModifier", ProcessGravityModifier);
+
             #endregion
 
             #region TaskInventoryXmlProcessors initialization
@@ -419,12 +509,13 @@ namespace OpenSim.Region.Framework.Scenes.Serialization
             m_ShapeXmlProcessors.Add("ProfileEnd", ProcessShpProfileEnd);
             m_ShapeXmlProcessors.Add("ProfileHollow", ProcessShpProfileHollow);
             m_ShapeXmlProcessors.Add("Scale", ProcessShpScale);
+            m_ShapeXmlProcessors.Add("LastAttachPoint", ProcessShpLastAttach);
             m_ShapeXmlProcessors.Add("State", ProcessShpState);
             m_ShapeXmlProcessors.Add("ProfileShape", ProcessShpProfileShape);
             m_ShapeXmlProcessors.Add("HollowShape", ProcessShpHollowShape);
             m_ShapeXmlProcessors.Add("SculptTexture", ProcessShpSculptTexture);
             m_ShapeXmlProcessors.Add("SculptType", ProcessShpSculptType);
-            m_ShapeXmlProcessors.Add("SculptData", ProcessShpSculptData);
+            // Ignore "SculptData"; this element is deprecated
             m_ShapeXmlProcessors.Add("FlexiSoftness", ProcessShpFlexiSoftness);
             m_ShapeXmlProcessors.Add("FlexiTension", ProcessShpFlexiTension);
             m_ShapeXmlProcessors.Add("FlexiDrag", ProcessShpFlexiDrag);
@@ -449,112 +540,112 @@ namespace OpenSim.Region.Framework.Scenes.Serialization
         }
 
         #region SOPXmlProcessors
-        private static void ProcessAllowedDrop(SceneObjectPart obj, XmlTextReader reader)
+        private static void ProcessAllowedDrop(SceneObjectPart obj, XmlReader reader)
         {
             obj.AllowedDrop = Util.ReadBoolean(reader);
         }
 
-        private static void ProcessCreatorID(SceneObjectPart obj, XmlTextReader reader)
+        private static void ProcessCreatorID(SceneObjectPart obj, XmlReader reader)
         {
             obj.CreatorID = Util.ReadUUID(reader, "CreatorID");
         }
 
-        private static void ProcessCreatorData(SceneObjectPart obj, XmlTextReader reader)
+        private static void ProcessCreatorData(SceneObjectPart obj, XmlReader reader)
         {
             obj.CreatorData = reader.ReadElementContentAsString("CreatorData", String.Empty);
         }
 
-        private static void ProcessFolderID(SceneObjectPart obj, XmlTextReader reader)
+        private static void ProcessFolderID(SceneObjectPart obj, XmlReader reader)
         {
             obj.FolderID = Util.ReadUUID(reader, "FolderID");
         }
 
-        private static void ProcessInventorySerial(SceneObjectPart obj, XmlTextReader reader)
+        private static void ProcessInventorySerial(SceneObjectPart obj, XmlReader reader)
         {
             obj.InventorySerial = (uint)reader.ReadElementContentAsInt("InventorySerial", String.Empty);
         }
 
-        private static void ProcessTaskInventory(SceneObjectPart obj, XmlTextReader reader)
+        private static void ProcessTaskInventory(SceneObjectPart obj, XmlReader reader)
         {
             obj.TaskInventory = ReadTaskInventory(reader, "TaskInventory");
         }
 
-        private static void ProcessUUID(SceneObjectPart obj, XmlTextReader reader)
+        private static void ProcessUUID(SceneObjectPart obj, XmlReader reader)
         {
             obj.UUID = Util.ReadUUID(reader, "UUID");
         }
 
-        private static void ProcessLocalId(SceneObjectPart obj, XmlTextReader reader)
+        private static void ProcessLocalId(SceneObjectPart obj, XmlReader reader)
         {
             obj.LocalId = (uint)reader.ReadElementContentAsLong("LocalId", String.Empty);
         }
 
-        private static void ProcessName(SceneObjectPart obj, XmlTextReader reader)
+        private static void ProcessName(SceneObjectPart obj, XmlReader reader)
         {
             obj.Name = reader.ReadElementString("Name");
         }
 
-        private static void ProcessMaterial(SceneObjectPart obj, XmlTextReader reader)
+        private static void ProcessMaterial(SceneObjectPart obj, XmlReader reader)
         {
             obj.Material = (byte)reader.ReadElementContentAsInt("Material", String.Empty);
         }
 
-        private static void ProcessPassTouches(SceneObjectPart obj, XmlTextReader reader)
+        private static void ProcessPassTouches(SceneObjectPart obj, XmlReader reader)
         {
             obj.PassTouches = Util.ReadBoolean(reader);
         }
 
-        private static void ProcessPassCollisions(SceneObjectPart obj, XmlTextReader reader)
+        private static void ProcessPassCollisions(SceneObjectPart obj, XmlReader reader)
         {
             obj.PassCollisions = Util.ReadBoolean(reader);
         }
 
-        private static void ProcessRegionHandle(SceneObjectPart obj, XmlTextReader reader)
+        private static void ProcessRegionHandle(SceneObjectPart obj, XmlReader reader)
         {
             obj.RegionHandle = (ulong)reader.ReadElementContentAsLong("RegionHandle", String.Empty);
         }
 
-        private static void ProcessScriptAccessPin(SceneObjectPart obj, XmlTextReader reader)
+        private static void ProcessScriptAccessPin(SceneObjectPart obj, XmlReader reader)
         {
             obj.ScriptAccessPin = reader.ReadElementContentAsInt("ScriptAccessPin", String.Empty);
         }
 
-        private static void ProcessGroupPosition(SceneObjectPart obj, XmlTextReader reader)
+        private static void ProcessGroupPosition(SceneObjectPart obj, XmlReader reader)
         {
             obj.GroupPosition = Util.ReadVector(reader, "GroupPosition");
         }
 
-        private static void ProcessOffsetPosition(SceneObjectPart obj, XmlTextReader reader)
+        private static void ProcessOffsetPosition(SceneObjectPart obj, XmlReader reader)
         {
             obj.OffsetPosition = Util.ReadVector(reader, "OffsetPosition"); ;
         }
 
-        private static void ProcessRotationOffset(SceneObjectPart obj, XmlTextReader reader)
+        private static void ProcessRotationOffset(SceneObjectPart obj, XmlReader reader)
         {
             obj.RotationOffset = Util.ReadQuaternion(reader, "RotationOffset");
         }
 
-        private static void ProcessVelocity(SceneObjectPart obj, XmlTextReader reader)
+        private static void ProcessVelocity(SceneObjectPart obj, XmlReader reader)
         {
             obj.Velocity = Util.ReadVector(reader, "Velocity");
         }
 
-        private static void ProcessAngularVelocity(SceneObjectPart obj, XmlTextReader reader)
+        private static void ProcessAngularVelocity(SceneObjectPart obj, XmlReader reader)
         {
             obj.AngularVelocity = Util.ReadVector(reader, "AngularVelocity");
         }
 
-        private static void ProcessAcceleration(SceneObjectPart obj, XmlTextReader reader)
+        private static void ProcessAcceleration(SceneObjectPart obj, XmlReader reader)
         {
             obj.Acceleration = Util.ReadVector(reader, "Acceleration");
         }
 
-        private static void ProcessDescription(SceneObjectPart obj, XmlTextReader reader)
+        private static void ProcessDescription(SceneObjectPart obj, XmlReader reader)
         {
             obj.Description = reader.ReadElementString("Description");
         }
 
-        private static void ProcessColor(SceneObjectPart obj, XmlTextReader reader)
+        private static void ProcessColor(SceneObjectPart obj, XmlReader reader)
         {
             reader.ReadStartElement("Color");
             if (reader.Name == "R")
@@ -568,35 +659,60 @@ namespace OpenSim.Region.Framework.Scenes.Serialization
             }
         }
 
-        private static void ProcessText(SceneObjectPart obj, XmlTextReader reader)
+        private static void ProcessText(SceneObjectPart obj, XmlReader reader)
         {
             obj.Text = reader.ReadElementString("Text", String.Empty);
         }
 
-        private static void ProcessSitName(SceneObjectPart obj, XmlTextReader reader)
+        private static void ProcessSitName(SceneObjectPart obj, XmlReader reader)
         {
             obj.SitName = reader.ReadElementString("SitName", String.Empty);
         }
 
-        private static void ProcessTouchName(SceneObjectPart obj, XmlTextReader reader)
+        private static void ProcessTouchName(SceneObjectPart obj, XmlReader reader)
         {
             obj.TouchName = reader.ReadElementString("TouchName", String.Empty);
         }
 
-        private static void ProcessLinkNum(SceneObjectPart obj, XmlTextReader reader)
+        private static void ProcessLinkNum(SceneObjectPart obj, XmlReader reader)
         {
             obj.LinkNum = reader.ReadElementContentAsInt("LinkNum", String.Empty);
         }
 
-        private static void ProcessClickAction(SceneObjectPart obj, XmlTextReader reader)
+        private static void ProcessClickAction(SceneObjectPart obj, XmlReader reader)
         {
             obj.ClickAction = (byte)reader.ReadElementContentAsInt("ClickAction", String.Empty);
         }
 
-        private static void ProcessShape(SceneObjectPart obj, XmlTextReader reader)
+        private static void ProcessPhysicsShapeType(SceneObjectPart obj, XmlReader reader)
+        {
+            obj.PhysicsShapeType = (byte)reader.ReadElementContentAsInt("PhysicsShapeType", String.Empty);
+        }
+
+        private static void ProcessDensity(SceneObjectPart obj, XmlReader reader)
+        {
+            obj.Density = reader.ReadElementContentAsFloat("Density", String.Empty);
+        }
+
+        private static void ProcessFriction(SceneObjectPart obj, XmlReader reader)
+        {
+            obj.Friction = reader.ReadElementContentAsFloat("Friction", String.Empty);
+        }
+
+        private static void ProcessBounce(SceneObjectPart obj, XmlReader reader)
+        {
+            obj.Restitution = reader.ReadElementContentAsFloat("Bounce", String.Empty);
+        }
+
+        private static void ProcessGravityModifier(SceneObjectPart obj, XmlReader reader)
+        {
+            obj.GravityModifier = reader.ReadElementContentAsFloat("GravityModifier", String.Empty);
+        }
+
+        private static void ProcessShape(SceneObjectPart obj, XmlReader reader)
         {
             List<string> errorNodeNames;
-            obj.Shape = ReadShape(reader, "Shape", out errorNodeNames);
+            obj.Shape = ReadShape(reader, "Shape", out errorNodeNames, obj);
 
             if (errorNodeNames != null)
             {
@@ -606,153 +722,163 @@ namespace OpenSim.Region.Framework.Scenes.Serialization
             }
         }
 
-        private static void ProcessScale(SceneObjectPart obj, XmlTextReader reader)
+        private static void ProcessScale(SceneObjectPart obj, XmlReader reader)
         {
             obj.Scale = Util.ReadVector(reader, "Scale");
         }
 
-        private static void ProcessSitTargetOrientation(SceneObjectPart obj, XmlTextReader reader)
+        private static void ProcessSitTargetOrientation(SceneObjectPart obj, XmlReader reader)
         {
             obj.SitTargetOrientation = Util.ReadQuaternion(reader, "SitTargetOrientation");
         }
 
-        private static void ProcessSitTargetPosition(SceneObjectPart obj, XmlTextReader reader)
+        private static void ProcessSitTargetPosition(SceneObjectPart obj, XmlReader reader)
         {
             obj.SitTargetPosition = Util.ReadVector(reader, "SitTargetPosition");
         }
 
-        private static void ProcessSitTargetPositionLL(SceneObjectPart obj, XmlTextReader reader)
+        private static void ProcessSitTargetPositionLL(SceneObjectPart obj, XmlReader reader)
         {
             obj.SitTargetPositionLL = Util.ReadVector(reader, "SitTargetPositionLL");
         }
 
-        private static void ProcessSitTargetOrientationLL(SceneObjectPart obj, XmlTextReader reader)
+        private static void ProcessSitTargetOrientationLL(SceneObjectPart obj, XmlReader reader)
         {
             obj.SitTargetOrientationLL = Util.ReadQuaternion(reader, "SitTargetOrientationLL");
         }
 
-        private static void ProcessParentID(SceneObjectPart obj, XmlTextReader reader)
+        private static void ProcessParentID(SceneObjectPart obj, XmlReader reader)
         {
             string str = reader.ReadElementContentAsString("ParentID", String.Empty);
             obj.ParentID = Convert.ToUInt32(str);
         }
 
-        private static void ProcessCreationDate(SceneObjectPart obj, XmlTextReader reader)
+        private static void ProcessCreationDate(SceneObjectPart obj, XmlReader reader)
         {
             obj.CreationDate = reader.ReadElementContentAsInt("CreationDate", String.Empty);
         }
 
-        private static void ProcessCategory(SceneObjectPart obj, XmlTextReader reader)
+        private static void ProcessCategory(SceneObjectPart obj, XmlReader reader)
         {
             obj.Category = (uint)reader.ReadElementContentAsInt("Category", String.Empty);
         }
 
-        private static void ProcessSalePrice(SceneObjectPart obj, XmlTextReader reader)
+        private static void ProcessSalePrice(SceneObjectPart obj, XmlReader reader)
         {
             obj.SalePrice = reader.ReadElementContentAsInt("SalePrice", String.Empty);
         }
 
-        private static void ProcessObjectSaleType(SceneObjectPart obj, XmlTextReader reader)
+        private static void ProcessObjectSaleType(SceneObjectPart obj, XmlReader reader)
         {
             obj.ObjectSaleType = (byte)reader.ReadElementContentAsInt("ObjectSaleType", String.Empty);
         }
 
-        private static void ProcessOwnershipCost(SceneObjectPart obj, XmlTextReader reader)
+        private static void ProcessOwnershipCost(SceneObjectPart obj, XmlReader reader)
         {
             obj.OwnershipCost = reader.ReadElementContentAsInt("OwnershipCost", String.Empty);
         }
 
-        private static void ProcessGroupID(SceneObjectPart obj, XmlTextReader reader)
+        private static void ProcessGroupID(SceneObjectPart obj, XmlReader reader)
         {
             obj.GroupID = Util.ReadUUID(reader, "GroupID");
         }
 
-        private static void ProcessOwnerID(SceneObjectPart obj, XmlTextReader reader)
+        private static void ProcessOwnerID(SceneObjectPart obj, XmlReader reader)
         {
             obj.OwnerID = Util.ReadUUID(reader, "OwnerID");
         }
 
-        private static void ProcessLastOwnerID(SceneObjectPart obj, XmlTextReader reader)
+        private static void ProcessLastOwnerID(SceneObjectPart obj, XmlReader reader)
         {
             obj.LastOwnerID = Util.ReadUUID(reader, "LastOwnerID");
         }
 
-        private static void ProcessBaseMask(SceneObjectPart obj, XmlTextReader reader)
+        private static void ProcessBaseMask(SceneObjectPart obj, XmlReader reader)
         {
             obj.BaseMask = (uint)reader.ReadElementContentAsInt("BaseMask", String.Empty);
         }
 
-        private static void ProcessOwnerMask(SceneObjectPart obj, XmlTextReader reader)
+        private static void ProcessOwnerMask(SceneObjectPart obj, XmlReader reader)
         {
             obj.OwnerMask = (uint)reader.ReadElementContentAsInt("OwnerMask", String.Empty);
         }
 
-        private static void ProcessGroupMask(SceneObjectPart obj, XmlTextReader reader)
+        private static void ProcessGroupMask(SceneObjectPart obj, XmlReader reader)
         {
             obj.GroupMask = (uint)reader.ReadElementContentAsInt("GroupMask", String.Empty);
         }
 
-        private static void ProcessEveryoneMask(SceneObjectPart obj, XmlTextReader reader)
+        private static void ProcessEveryoneMask(SceneObjectPart obj, XmlReader reader)
         {
             obj.EveryoneMask = (uint)reader.ReadElementContentAsInt("EveryoneMask", String.Empty);
         }
 
-        private static void ProcessNextOwnerMask(SceneObjectPart obj, XmlTextReader reader)
+        private static void ProcessNextOwnerMask(SceneObjectPart obj, XmlReader reader)
         {
             obj.NextOwnerMask = (uint)reader.ReadElementContentAsInt("NextOwnerMask", String.Empty);
         }
 
-        private static void ProcessFlags(SceneObjectPart obj, XmlTextReader reader)
+        private static void ProcessFlags(SceneObjectPart obj, XmlReader reader)
         {
             obj.Flags = Util.ReadEnum<PrimFlags>(reader, "Flags");
         }
 
-        private static void ProcessCollisionSound(SceneObjectPart obj, XmlTextReader reader)
+        private static void ProcessCollisionSound(SceneObjectPart obj, XmlReader reader)
         {
             obj.CollisionSound = Util.ReadUUID(reader, "CollisionSound");
         }
 
-        private static void ProcessCollisionSoundVolume(SceneObjectPart obj, XmlTextReader reader)
+        private static void ProcessCollisionSoundVolume(SceneObjectPart obj, XmlReader reader)
         {
             obj.CollisionSoundVolume = reader.ReadElementContentAsFloat("CollisionSoundVolume", String.Empty);
         }
 
-        private static void ProcessMediaUrl(SceneObjectPart obj, XmlTextReader reader)
+        private static void ProcessMediaUrl(SceneObjectPart obj, XmlReader reader)
         {
             obj.MediaUrl = reader.ReadElementContentAsString("MediaUrl", String.Empty);
         }
 
-        private static void ProcessTextureAnimation(SceneObjectPart obj, XmlTextReader reader)
+        private static void ProcessAttachedPos(SceneObjectPart obj, XmlReader reader)
+        {
+            obj.AttachedPos = Util.ReadVector(reader, "AttachedPos");
+        }
+
+        private static void ProcessDynAttrs(SceneObjectPart obj, XmlReader reader)
+        {
+            obj.DynAttrs.ReadXml(reader);
+        }
+
+        private static void ProcessTextureAnimation(SceneObjectPart obj, XmlReader reader)
         {
             obj.TextureAnimation = Convert.FromBase64String(reader.ReadElementContentAsString("TextureAnimation", String.Empty));
         }
 
-        private static void ProcessParticleSystem(SceneObjectPart obj, XmlTextReader reader)
+        private static void ProcessParticleSystem(SceneObjectPart obj, XmlReader reader)
         {
             obj.ParticleSystem = Convert.FromBase64String(reader.ReadElementContentAsString("ParticleSystem", String.Empty));
         }
 
-        private static void ProcessPayPrice0(SceneObjectPart obj, XmlTextReader reader)
+        private static void ProcessPayPrice0(SceneObjectPart obj, XmlReader reader)
         {
             obj.PayPrice[0] = (int)reader.ReadElementContentAsInt("PayPrice0", String.Empty);
         }
 
-        private static void ProcessPayPrice1(SceneObjectPart obj, XmlTextReader reader)
+        private static void ProcessPayPrice1(SceneObjectPart obj, XmlReader reader)
         {
             obj.PayPrice[1] = (int)reader.ReadElementContentAsInt("PayPrice1", String.Empty);
         }
 
-        private static void ProcessPayPrice2(SceneObjectPart obj, XmlTextReader reader)
+        private static void ProcessPayPrice2(SceneObjectPart obj, XmlReader reader)
         {
             obj.PayPrice[2] = (int)reader.ReadElementContentAsInt("PayPrice2", String.Empty);
         }
 
-        private static void ProcessPayPrice3(SceneObjectPart obj, XmlTextReader reader)
+        private static void ProcessPayPrice3(SceneObjectPart obj, XmlReader reader)
         {
             obj.PayPrice[3] = (int)reader.ReadElementContentAsInt("PayPrice3", String.Empty);
         }
 
-        private static void ProcessPayPrice4(SceneObjectPart obj, XmlTextReader reader)
+        private static void ProcessPayPrice4(SceneObjectPart obj, XmlReader reader)
         {
             obj.PayPrice[4] = (int)reader.ReadElementContentAsInt("PayPrice4", String.Empty);
         }
@@ -760,122 +886,122 @@ namespace OpenSim.Region.Framework.Scenes.Serialization
         #endregion
 
         #region TaskInventoryXmlProcessors
-        private static void ProcessTIAssetID(TaskInventoryItem item, XmlTextReader reader)
+        private static void ProcessTIAssetID(TaskInventoryItem item, XmlReader reader)
         {
             item.AssetID = Util.ReadUUID(reader, "AssetID");
         }
 
-        private static void ProcessTIBasePermissions(TaskInventoryItem item, XmlTextReader reader)
+        private static void ProcessTIBasePermissions(TaskInventoryItem item, XmlReader reader)
         {
             item.BasePermissions = (uint)reader.ReadElementContentAsInt("BasePermissions", String.Empty);
         }
 
-        private static void ProcessTICreationDate(TaskInventoryItem item, XmlTextReader reader)
+        private static void ProcessTICreationDate(TaskInventoryItem item, XmlReader reader)
         {
             item.CreationDate = (uint)reader.ReadElementContentAsInt("CreationDate", String.Empty);
         }
 
-        private static void ProcessTICreatorID(TaskInventoryItem item, XmlTextReader reader)
+        private static void ProcessTICreatorID(TaskInventoryItem item, XmlReader reader)
         {
             item.CreatorID = Util.ReadUUID(reader, "CreatorID");
         }
 
-        private static void ProcessTICreatorData(TaskInventoryItem item, XmlTextReader reader)
+        private static void ProcessTICreatorData(TaskInventoryItem item, XmlReader reader)
         {
             item.CreatorData = reader.ReadElementContentAsString("CreatorData", String.Empty);
         }
 
-        private static void ProcessTIDescription(TaskInventoryItem item, XmlTextReader reader)
+        private static void ProcessTIDescription(TaskInventoryItem item, XmlReader reader)
         {
             item.Description = reader.ReadElementContentAsString("Description", String.Empty);
         }
 
-        private static void ProcessTIEveryonePermissions(TaskInventoryItem item, XmlTextReader reader)
+        private static void ProcessTIEveryonePermissions(TaskInventoryItem item, XmlReader reader)
         {
             item.EveryonePermissions = (uint)reader.ReadElementContentAsInt("EveryonePermissions", String.Empty);
         }
 
-        private static void ProcessTIFlags(TaskInventoryItem item, XmlTextReader reader)
+        private static void ProcessTIFlags(TaskInventoryItem item, XmlReader reader)
         {
             item.Flags = (uint)reader.ReadElementContentAsInt("Flags", String.Empty);
         }
 
-        private static void ProcessTIGroupID(TaskInventoryItem item, XmlTextReader reader)
+        private static void ProcessTIGroupID(TaskInventoryItem item, XmlReader reader)
         {
             item.GroupID = Util.ReadUUID(reader, "GroupID");
         }
 
-        private static void ProcessTIGroupPermissions(TaskInventoryItem item, XmlTextReader reader)
+        private static void ProcessTIGroupPermissions(TaskInventoryItem item, XmlReader reader)
         {
             item.GroupPermissions = (uint)reader.ReadElementContentAsInt("GroupPermissions", String.Empty);
         }
 
-        private static void ProcessTIInvType(TaskInventoryItem item, XmlTextReader reader)
+        private static void ProcessTIInvType(TaskInventoryItem item, XmlReader reader)
         {
             item.InvType = reader.ReadElementContentAsInt("InvType", String.Empty);
         }
 
-        private static void ProcessTIItemID(TaskInventoryItem item, XmlTextReader reader)
+        private static void ProcessTIItemID(TaskInventoryItem item, XmlReader reader)
         {
             item.ItemID = Util.ReadUUID(reader, "ItemID");
         }
 
-        private static void ProcessTIOldItemID(TaskInventoryItem item, XmlTextReader reader)
+        private static void ProcessTIOldItemID(TaskInventoryItem item, XmlReader reader)
         {
             item.OldItemID = Util.ReadUUID(reader, "OldItemID");
         }
 
-        private static void ProcessTILastOwnerID(TaskInventoryItem item, XmlTextReader reader)
+        private static void ProcessTILastOwnerID(TaskInventoryItem item, XmlReader reader)
         {
             item.LastOwnerID = Util.ReadUUID(reader, "LastOwnerID");
         }
 
-        private static void ProcessTIName(TaskInventoryItem item, XmlTextReader reader)
+        private static void ProcessTIName(TaskInventoryItem item, XmlReader reader)
         {
             item.Name = reader.ReadElementContentAsString("Name", String.Empty);
         }
 
-        private static void ProcessTINextPermissions(TaskInventoryItem item, XmlTextReader reader)
+        private static void ProcessTINextPermissions(TaskInventoryItem item, XmlReader reader)
         {
             item.NextPermissions = (uint)reader.ReadElementContentAsInt("NextPermissions", String.Empty);
         }
 
-        private static void ProcessTIOwnerID(TaskInventoryItem item, XmlTextReader reader)
+        private static void ProcessTIOwnerID(TaskInventoryItem item, XmlReader reader)
         {
             item.OwnerID = Util.ReadUUID(reader, "OwnerID");
         }
 
-        private static void ProcessTICurrentPermissions(TaskInventoryItem item, XmlTextReader reader)
+        private static void ProcessTICurrentPermissions(TaskInventoryItem item, XmlReader reader)
         {
             item.CurrentPermissions = (uint)reader.ReadElementContentAsInt("CurrentPermissions", String.Empty);
         }
 
-        private static void ProcessTIParentID(TaskInventoryItem item, XmlTextReader reader)
+        private static void ProcessTIParentID(TaskInventoryItem item, XmlReader reader)
         {
             item.ParentID = Util.ReadUUID(reader, "ParentID");
         }
 
-        private static void ProcessTIParentPartID(TaskInventoryItem item, XmlTextReader reader)
+        private static void ProcessTIParentPartID(TaskInventoryItem item, XmlReader reader)
         {
             item.ParentPartID = Util.ReadUUID(reader, "ParentPartID");
         }
 
-        private static void ProcessTIPermsGranter(TaskInventoryItem item, XmlTextReader reader)
+        private static void ProcessTIPermsGranter(TaskInventoryItem item, XmlReader reader)
         {
             item.PermsGranter = Util.ReadUUID(reader, "PermsGranter");
         }
 
-        private static void ProcessTIPermsMask(TaskInventoryItem item, XmlTextReader reader)
+        private static void ProcessTIPermsMask(TaskInventoryItem item, XmlReader reader)
         {
             item.PermsMask = reader.ReadElementContentAsInt("PermsMask", String.Empty);
         }
 
-        private static void ProcessTIType(TaskInventoryItem item, XmlTextReader reader)
+        private static void ProcessTIType(TaskInventoryItem item, XmlReader reader)
         {
             item.Type = reader.ReadElementContentAsInt("Type", String.Empty);
         }
 
-        private static void ProcessTIOwnerChanged(TaskInventoryItem item, XmlTextReader reader)
+        private static void ProcessTIOwnerChanged(TaskInventoryItem item, XmlReader reader)
         {
             item.OwnerChanged = Util.ReadBoolean(reader);
         }
@@ -883,245 +1009,243 @@ namespace OpenSim.Region.Framework.Scenes.Serialization
         #endregion
 
         #region ShapeXmlProcessors
-        private static void ProcessShpProfileCurve(PrimitiveBaseShape shp, XmlTextReader reader)
+        private static void ProcessShpProfileCurve(PrimitiveBaseShape shp, XmlReader reader)
         {
             shp.ProfileCurve = (byte)reader.ReadElementContentAsInt("ProfileCurve", String.Empty);
         }
 
-        private static void ProcessShpTextureEntry(PrimitiveBaseShape shp, XmlTextReader reader)
+        private static void ProcessShpTextureEntry(PrimitiveBaseShape shp, XmlReader reader)
         {
             byte[] teData = Convert.FromBase64String(reader.ReadElementString("TextureEntry"));
             shp.Textures = new Primitive.TextureEntry(teData, 0, teData.Length);
         }
 
-        private static void ProcessShpExtraParams(PrimitiveBaseShape shp, XmlTextReader reader)
+        private static void ProcessShpExtraParams(PrimitiveBaseShape shp, XmlReader reader)
         {
             shp.ExtraParams = Convert.FromBase64String(reader.ReadElementString("ExtraParams"));
         }
 
-        private static void ProcessShpPathBegin(PrimitiveBaseShape shp, XmlTextReader reader)
+        private static void ProcessShpPathBegin(PrimitiveBaseShape shp, XmlReader reader)
         {
             shp.PathBegin = (ushort)reader.ReadElementContentAsInt("PathBegin", String.Empty);
         }
 
-        private static void ProcessShpPathCurve(PrimitiveBaseShape shp, XmlTextReader reader)
+        private static void ProcessShpPathCurve(PrimitiveBaseShape shp, XmlReader reader)
         {
             shp.PathCurve = (byte)reader.ReadElementContentAsInt("PathCurve", String.Empty);
         }
 
-        private static void ProcessShpPathEnd(PrimitiveBaseShape shp, XmlTextReader reader)
+        private static void ProcessShpPathEnd(PrimitiveBaseShape shp, XmlReader reader)
         {
             shp.PathEnd = (ushort)reader.ReadElementContentAsInt("PathEnd", String.Empty);
         }
 
-        private static void ProcessShpPathRadiusOffset(PrimitiveBaseShape shp, XmlTextReader reader)
+        private static void ProcessShpPathRadiusOffset(PrimitiveBaseShape shp, XmlReader reader)
         {
             shp.PathRadiusOffset = (sbyte)reader.ReadElementContentAsInt("PathRadiusOffset", String.Empty);
         }
 
-        private static void ProcessShpPathRevolutions(PrimitiveBaseShape shp, XmlTextReader reader)
+        private static void ProcessShpPathRevolutions(PrimitiveBaseShape shp, XmlReader reader)
         {
             shp.PathRevolutions = (byte)reader.ReadElementContentAsInt("PathRevolutions", String.Empty);
         }
 
-        private static void ProcessShpPathScaleX(PrimitiveBaseShape shp, XmlTextReader reader)
+        private static void ProcessShpPathScaleX(PrimitiveBaseShape shp, XmlReader reader)
         {
             shp.PathScaleX = (byte)reader.ReadElementContentAsInt("PathScaleX", String.Empty);
         }
 
-        private static void ProcessShpPathScaleY(PrimitiveBaseShape shp, XmlTextReader reader)
+        private static void ProcessShpPathScaleY(PrimitiveBaseShape shp, XmlReader reader)
         {
             shp.PathScaleY = (byte)reader.ReadElementContentAsInt("PathScaleY", String.Empty);
         }
 
-        private static void ProcessShpPathShearX(PrimitiveBaseShape shp, XmlTextReader reader)
+        private static void ProcessShpPathShearX(PrimitiveBaseShape shp, XmlReader reader)
         {
             shp.PathShearX = (byte)reader.ReadElementContentAsInt("PathShearX", String.Empty);
         }
 
-        private static void ProcessShpPathShearY(PrimitiveBaseShape shp, XmlTextReader reader)
+        private static void ProcessShpPathShearY(PrimitiveBaseShape shp, XmlReader reader)
         {
             shp.PathShearY = (byte)reader.ReadElementContentAsInt("PathShearY", String.Empty);
         }
 
-        private static void ProcessShpPathSkew(PrimitiveBaseShape shp, XmlTextReader reader)
+        private static void ProcessShpPathSkew(PrimitiveBaseShape shp, XmlReader reader)
         {
             shp.PathSkew = (sbyte)reader.ReadElementContentAsInt("PathSkew", String.Empty);
         }
 
-        private static void ProcessShpPathTaperX(PrimitiveBaseShape shp, XmlTextReader reader)
+        private static void ProcessShpPathTaperX(PrimitiveBaseShape shp, XmlReader reader)
         {
             shp.PathTaperX = (sbyte)reader.ReadElementContentAsInt("PathTaperX", String.Empty);
         }
 
-        private static void ProcessShpPathTaperY(PrimitiveBaseShape shp, XmlTextReader reader)
+        private static void ProcessShpPathTaperY(PrimitiveBaseShape shp, XmlReader reader)
         {
             shp.PathTaperY = (sbyte)reader.ReadElementContentAsInt("PathTaperY", String.Empty);
         }
 
-        private static void ProcessShpPathTwist(PrimitiveBaseShape shp, XmlTextReader reader)
+        private static void ProcessShpPathTwist(PrimitiveBaseShape shp, XmlReader reader)
         {
             shp.PathTwist = (sbyte)reader.ReadElementContentAsInt("PathTwist", String.Empty);
         }
 
-        private static void ProcessShpPathTwistBegin(PrimitiveBaseShape shp, XmlTextReader reader)
+        private static void ProcessShpPathTwistBegin(PrimitiveBaseShape shp, XmlReader reader)
         {
             shp.PathTwistBegin = (sbyte)reader.ReadElementContentAsInt("PathTwistBegin", String.Empty);
         }
 
-        private static void ProcessShpPCode(PrimitiveBaseShape shp, XmlTextReader reader)
+        private static void ProcessShpPCode(PrimitiveBaseShape shp, XmlReader reader)
         {
             shp.PCode = (byte)reader.ReadElementContentAsInt("PCode", String.Empty);
         }
 
-        private static void ProcessShpProfileBegin(PrimitiveBaseShape shp, XmlTextReader reader)
+        private static void ProcessShpProfileBegin(PrimitiveBaseShape shp, XmlReader reader)
         {
             shp.ProfileBegin = (ushort)reader.ReadElementContentAsInt("ProfileBegin", String.Empty);
         }
 
-        private static void ProcessShpProfileEnd(PrimitiveBaseShape shp, XmlTextReader reader)
+        private static void ProcessShpProfileEnd(PrimitiveBaseShape shp, XmlReader reader)
         {
             shp.ProfileEnd = (ushort)reader.ReadElementContentAsInt("ProfileEnd", String.Empty);
         }
 
-        private static void ProcessShpProfileHollow(PrimitiveBaseShape shp, XmlTextReader reader)
+        private static void ProcessShpProfileHollow(PrimitiveBaseShape shp, XmlReader reader)
         {
             shp.ProfileHollow = (ushort)reader.ReadElementContentAsInt("ProfileHollow", String.Empty);
         }
 
-        private static void ProcessShpScale(PrimitiveBaseShape shp, XmlTextReader reader)
+        private static void ProcessShpScale(PrimitiveBaseShape shp, XmlReader reader)
         {
             shp.Scale = Util.ReadVector(reader, "Scale");
         }
 
-        private static void ProcessShpState(PrimitiveBaseShape shp, XmlTextReader reader)
+        private static void ProcessShpState(PrimitiveBaseShape shp, XmlReader reader)
         {
             shp.State = (byte)reader.ReadElementContentAsInt("State", String.Empty);
         }
 
-        private static void ProcessShpProfileShape(PrimitiveBaseShape shp, XmlTextReader reader)
+        private static void ProcessShpLastAttach(PrimitiveBaseShape shp, XmlReader reader)
+        {
+            shp.LastAttachPoint = (byte)reader.ReadElementContentAsInt("LastAttachPoint", String.Empty);
+        }
+
+        private static void ProcessShpProfileShape(PrimitiveBaseShape shp, XmlReader reader)
         {
             shp.ProfileShape = Util.ReadEnum<ProfileShape>(reader, "ProfileShape");
         }
 
-        private static void ProcessShpHollowShape(PrimitiveBaseShape shp, XmlTextReader reader)
+        private static void ProcessShpHollowShape(PrimitiveBaseShape shp, XmlReader reader)
         {
             shp.HollowShape = Util.ReadEnum<HollowShape>(reader, "HollowShape");
         }
         
-        private static void ProcessShpSculptTexture(PrimitiveBaseShape shp, XmlTextReader reader)
+        private static void ProcessShpSculptTexture(PrimitiveBaseShape shp, XmlReader reader)
         {
             shp.SculptTexture = Util.ReadUUID(reader, "SculptTexture");
         }
 
-        private static void ProcessShpSculptType(PrimitiveBaseShape shp, XmlTextReader reader)
+        private static void ProcessShpSculptType(PrimitiveBaseShape shp, XmlReader reader)
         {
             shp.SculptType = (byte)reader.ReadElementContentAsInt("SculptType", String.Empty);
         }
 
-        private static void ProcessShpSculptData(PrimitiveBaseShape shp, XmlTextReader reader)
-        {
-//            m_log.DebugFormat("[SCENE OBJECT SERIALIZER]: Setting sculpt data length {0}", shp.SculptData.Length);
-
-            shp.SculptData = Convert.FromBase64String(reader.ReadElementString("SculptData"));
-        }
-
-        private static void ProcessShpFlexiSoftness(PrimitiveBaseShape shp, XmlTextReader reader)
+        private static void ProcessShpFlexiSoftness(PrimitiveBaseShape shp, XmlReader reader)
         {
             shp.FlexiSoftness = reader.ReadElementContentAsInt("FlexiSoftness", String.Empty);
         }
 
-        private static void ProcessShpFlexiTension(PrimitiveBaseShape shp, XmlTextReader reader)
+        private static void ProcessShpFlexiTension(PrimitiveBaseShape shp, XmlReader reader)
         {
             shp.FlexiTension = reader.ReadElementContentAsFloat("FlexiTension", String.Empty);
         }
 
-        private static void ProcessShpFlexiDrag(PrimitiveBaseShape shp, XmlTextReader reader)
+        private static void ProcessShpFlexiDrag(PrimitiveBaseShape shp, XmlReader reader)
         {
             shp.FlexiDrag = reader.ReadElementContentAsFloat("FlexiDrag", String.Empty);
         }
 
-        private static void ProcessShpFlexiGravity(PrimitiveBaseShape shp, XmlTextReader reader)
+        private static void ProcessShpFlexiGravity(PrimitiveBaseShape shp, XmlReader reader)
         {
             shp.FlexiGravity = reader.ReadElementContentAsFloat("FlexiGravity", String.Empty);
         }
 
-        private static void ProcessShpFlexiWind(PrimitiveBaseShape shp, XmlTextReader reader)
+        private static void ProcessShpFlexiWind(PrimitiveBaseShape shp, XmlReader reader)
         {
             shp.FlexiWind = reader.ReadElementContentAsFloat("FlexiWind", String.Empty);
         }
 
-        private static void ProcessShpFlexiForceX(PrimitiveBaseShape shp, XmlTextReader reader)
+        private static void ProcessShpFlexiForceX(PrimitiveBaseShape shp, XmlReader reader)
         {
             shp.FlexiForceX = reader.ReadElementContentAsFloat("FlexiForceX", String.Empty);
         }
 
-        private static void ProcessShpFlexiForceY(PrimitiveBaseShape shp, XmlTextReader reader)
+        private static void ProcessShpFlexiForceY(PrimitiveBaseShape shp, XmlReader reader)
         {
             shp.FlexiForceY = reader.ReadElementContentAsFloat("FlexiForceY", String.Empty);
         }
 
-        private static void ProcessShpFlexiForceZ(PrimitiveBaseShape shp, XmlTextReader reader)
+        private static void ProcessShpFlexiForceZ(PrimitiveBaseShape shp, XmlReader reader)
         {
             shp.FlexiForceZ = reader.ReadElementContentAsFloat("FlexiForceZ", String.Empty);
         }
 
-        private static void ProcessShpLightColorR(PrimitiveBaseShape shp, XmlTextReader reader)
+        private static void ProcessShpLightColorR(PrimitiveBaseShape shp, XmlReader reader)
         {
             shp.LightColorR = reader.ReadElementContentAsFloat("LightColorR", String.Empty);
         }
 
-        private static void ProcessShpLightColorG(PrimitiveBaseShape shp, XmlTextReader reader)
+        private static void ProcessShpLightColorG(PrimitiveBaseShape shp, XmlReader reader)
         {
             shp.LightColorG = reader.ReadElementContentAsFloat("LightColorG", String.Empty);
         }
 
-        private static void ProcessShpLightColorB(PrimitiveBaseShape shp, XmlTextReader reader)
+        private static void ProcessShpLightColorB(PrimitiveBaseShape shp, XmlReader reader)
         {
             shp.LightColorB = reader.ReadElementContentAsFloat("LightColorB", String.Empty);
         }
 
-        private static void ProcessShpLightColorA(PrimitiveBaseShape shp, XmlTextReader reader)
+        private static void ProcessShpLightColorA(PrimitiveBaseShape shp, XmlReader reader)
         {
             shp.LightColorA = reader.ReadElementContentAsFloat("LightColorA", String.Empty);
         }
 
-        private static void ProcessShpLightRadius(PrimitiveBaseShape shp, XmlTextReader reader)
+        private static void ProcessShpLightRadius(PrimitiveBaseShape shp, XmlReader reader)
         {
             shp.LightRadius = reader.ReadElementContentAsFloat("LightRadius", String.Empty);
         }
 
-        private static void ProcessShpLightCutoff(PrimitiveBaseShape shp, XmlTextReader reader)
+        private static void ProcessShpLightCutoff(PrimitiveBaseShape shp, XmlReader reader)
         {
             shp.LightCutoff = reader.ReadElementContentAsFloat("LightCutoff", String.Empty);
         }
 
-        private static void ProcessShpLightFalloff(PrimitiveBaseShape shp, XmlTextReader reader)
+        private static void ProcessShpLightFalloff(PrimitiveBaseShape shp, XmlReader reader)
         {
             shp.LightFalloff = reader.ReadElementContentAsFloat("LightFalloff", String.Empty);
         }
 
-        private static void ProcessShpLightIntensity(PrimitiveBaseShape shp, XmlTextReader reader)
+        private static void ProcessShpLightIntensity(PrimitiveBaseShape shp, XmlReader reader)
         {
             shp.LightIntensity = reader.ReadElementContentAsFloat("LightIntensity", String.Empty);
         }
 
-        private static void ProcessShpFlexiEntry(PrimitiveBaseShape shp, XmlTextReader reader)
+        private static void ProcessShpFlexiEntry(PrimitiveBaseShape shp, XmlReader reader)
         {
             shp.FlexiEntry = Util.ReadBoolean(reader);
         }
 
-        private static void ProcessShpLightEntry(PrimitiveBaseShape shp, XmlTextReader reader)
+        private static void ProcessShpLightEntry(PrimitiveBaseShape shp, XmlReader reader)
         {
             shp.LightEntry = Util.ReadBoolean(reader);
         }
 
-        private static void ProcessShpSculptEntry(PrimitiveBaseShape shp, XmlTextReader reader)
+        private static void ProcessShpSculptEntry(PrimitiveBaseShape shp, XmlReader reader)
         {
             shp.SculptEntry = Util.ReadBoolean(reader);
         }
 
-        private static void ProcessShpMedia(PrimitiveBaseShape shp, XmlTextReader reader)
+        private static void ProcessShpMedia(PrimitiveBaseShape shp, XmlReader reader)
         {
             string value = reader.ReadElementContentAsString("Media", String.Empty);
             shp.Media = PrimitiveBaseShape.MediaList.FromXml(value);
@@ -1144,6 +1268,16 @@ namespace OpenSim.Region.Framework.Scenes.Serialization
             });
 
             writer.WriteEndElement();
+
+            if (sog.RootPart.KeyframeMotion != null)
+            {
+                Byte[] data = sog.RootPart.KeyframeMotion.Serialize();
+
+                writer.WriteStartElement(String.Empty, "KeyframeMotion", String.Empty);
+                writer.WriteBase64(data, 0, data.Length);
+                writer.WriteEndElement();
+            }
+
             writer.WriteEndElement();
         }
 
@@ -1157,14 +1291,14 @@ namespace OpenSim.Region.Framework.Scenes.Serialization
 
             WriteUUID(writer, "CreatorID", sop.CreatorID, options);
 
-            if (sop.CreatorData != null && sop.CreatorData != string.Empty)
+            if (!string.IsNullOrEmpty(sop.CreatorData))
                 writer.WriteElementString("CreatorData", sop.CreatorData);
             else if (options.ContainsKey("home"))
             {
                 if (m_UserManagement == null)
                     m_UserManagement = sop.ParentGroup.Scene.RequestModuleInterface<IUserManagement>();
                 string name = m_UserManagement.GetUserName(sop.CreatorID);
-                writer.WriteElementString("CreatorData", (string)options["home"] + ";" + name);
+                writer.WriteElementString("CreatorData", ExternalRepresentationUtils.CalcCreatorData((string)options["home"], name));
             }
 
             WriteUUID(writer, "FolderID", sop.FolderID, options);
@@ -1217,7 +1351,9 @@ namespace OpenSim.Region.Framework.Scenes.Serialization
             writer.WriteElementString("SalePrice", sop.SalePrice.ToString());
             writer.WriteElementString("ObjectSaleType", sop.ObjectSaleType.ToString());
             writer.WriteElementString("OwnershipCost", sop.OwnershipCost.ToString());
-            WriteUUID(writer, "GroupID", sop.GroupID, options);
+
+            UUID groupID = options.ContainsKey("wipe-owners") ? UUID.Zero : sop.GroupID;
+            WriteUUID(writer, "GroupID", groupID, options);
 
             UUID ownerID = options.ContainsKey("wipe-owners") ? UUID.Zero : sop.OwnerID;
             WriteUUID(writer, "OwnerID", ownerID, options);
@@ -1235,6 +1371,15 @@ namespace OpenSim.Region.Framework.Scenes.Serialization
             writer.WriteElementString("CollisionSoundVolume", sop.CollisionSoundVolume.ToString());
             if (sop.MediaUrl != null)
                 writer.WriteElementString("MediaUrl", sop.MediaUrl.ToString());
+            WriteVector(writer, "AttachedPos", sop.AttachedPos);
+            
+            if (sop.DynAttrs.CountNamespaces > 0)
+            {
+                writer.WriteStartElement("DynAttrs");
+                sop.DynAttrs.WriteXml(writer);
+                writer.WriteEndElement();
+            }
+
             WriteBytes(writer, "TextureAnimation", sop.TextureAnimation);
             WriteBytes(writer, "ParticleSystem", sop.ParticleSystem);
             writer.WriteElementString("PayPrice0", sop.PayPrice[0].ToString());
@@ -1243,6 +1388,17 @@ namespace OpenSim.Region.Framework.Scenes.Serialization
             writer.WriteElementString("PayPrice3", sop.PayPrice[3].ToString());
             writer.WriteElementString("PayPrice4", sop.PayPrice[4].ToString());
 
+            if(sop.PhysicsShapeType != sop.DefaultPhysicsShapeType())
+                writer.WriteElementString("PhysicsShapeType", sop.PhysicsShapeType.ToString().ToLower());
+            if (sop.Density != 1000.0f)
+                writer.WriteElementString("Density", sop.Density.ToString().ToLower());
+            if (sop.Friction != 0.6f)
+                writer.WriteElementString("Friction", sop.Friction.ToString().ToLower());
+            if (sop.Restitution != 0.5f)
+                writer.WriteElementString("Bounce", sop.Restitution.ToString().ToLower());
+            if (sop.GravityModifier != 1.0f)
+                writer.WriteElementString("GravityModifier", sop.GravityModifier.ToString().ToLower());
+
             writer.WriteEndElement();
         }
 
@@ -1310,20 +1466,23 @@ namespace OpenSim.Region.Framework.Scenes.Serialization
 
                     WriteUUID(writer, "CreatorID", item.CreatorID, options);
 
-                    if (item.CreatorData != null && item.CreatorData != string.Empty)
+                    if (!string.IsNullOrEmpty(item.CreatorData))
                         writer.WriteElementString("CreatorData", item.CreatorData);
                     else if (options.ContainsKey("home"))
                     {
                         if (m_UserManagement == null)
                             m_UserManagement = scene.RequestModuleInterface<IUserManagement>();
                         string name = m_UserManagement.GetUserName(item.CreatorID);
-                        writer.WriteElementString("CreatorData", (string)options["home"] + ";" + name);
+                        writer.WriteElementString("CreatorData", ExternalRepresentationUtils.CalcCreatorData((string)options["home"], name));
                     }
 
                     writer.WriteElementString("Description", item.Description);
                     writer.WriteElementString("EveryonePermissions", item.EveryonePermissions.ToString());
                     writer.WriteElementString("Flags", item.Flags.ToString());
-                    WriteUUID(writer, "GroupID", item.GroupID, options);
+
+                    UUID groupID = options.ContainsKey("wipe-owners") ? UUID.Zero : item.GroupID;
+                    WriteUUID(writer, "GroupID", groupID, options);
+
                     writer.WriteElementString("GroupPermissions", item.GroupPermissions.ToString());
                     writer.WriteElementString("InvType", item.InvType.ToString());
                     WriteUUID(writer, "ItemID", item.ItemID, options);
@@ -1344,7 +1503,9 @@ namespace OpenSim.Region.Framework.Scenes.Serialization
                     WriteUUID(writer, "PermsGranter", item.PermsGranter, options);
                     writer.WriteElementString("PermsMask", item.PermsMask.ToString());
                     writer.WriteElementString("Type", item.Type.ToString());
-                    writer.WriteElementString("OwnerChanged", item.OwnerChanged.ToString().ToLower());
+
+                    bool ownerChanged = options.ContainsKey("wipe-owners") ? false : item.OwnerChanged;
+                    writer.WriteElementString("OwnerChanged", ownerChanged.ToString().ToLower());
 
                     writer.WriteEndElement(); // TaskInventoryItem
                 }
@@ -1398,20 +1559,14 @@ namespace OpenSim.Region.Framework.Scenes.Serialization
                 writer.WriteElementString("ProfileEnd", shp.ProfileEnd.ToString());
                 writer.WriteElementString("ProfileHollow", shp.ProfileHollow.ToString());
                 writer.WriteElementString("State", shp.State.ToString());
+                writer.WriteElementString("LastAttachPoint", shp.LastAttachPoint.ToString());
 
                 WriteFlags(writer, "ProfileShape", shp.ProfileShape.ToString(), options);
                 WriteFlags(writer, "HollowShape", shp.HollowShape.ToString(), options);
 
                 WriteUUID(writer, "SculptTexture", shp.SculptTexture, options);
                 writer.WriteElementString("SculptType", shp.SculptType.ToString());
-                writer.WriteStartElement("SculptData");
-                byte[] sd;
-                if (shp.SculptData != null)
-                    sd = shp.SculptData;
-                else
-                    sd = Utils.EmptyBytes;
-                writer.WriteBase64(sd, 0, sd.Length);
-                writer.WriteEndElement(); // SculptData
+                // Don't serialize SculptData. It's just a copy of the asset, which can be loaded separately using 'SculptTexture'.
 
                 writer.WriteElementString("FlexiSoftness", shp.FlexiSoftness.ToString());
                 writer.WriteElementString("FlexiTension", shp.FlexiTension.ToString());
@@ -1442,28 +1597,31 @@ namespace OpenSim.Region.Framework.Scenes.Serialization
             }
         }
 
-        public static SceneObjectPart Xml2ToSOP(XmlTextReader reader)
+        public static SceneObjectPart Xml2ToSOP(XmlReader reader)
         {
             SceneObjectPart obj = new SceneObjectPart();
 
             reader.ReadStartElement("SceneObjectPart");
 
-            ExternalRepresentationUtils.ExecuteReadProcessors(
+            bool errors = ExternalRepresentationUtils.ExecuteReadProcessors(
                 obj,
                 m_SOPXmlProcessors,
                 reader,
-                (o, nodeName, e)
-                    => m_log.DebugFormat(
-                        "[SceneObjectSerializer]: Exception while parsing {0} in object {1} {2}: {3}{4}",
-                        ((SceneObjectPart)o).Name, ((SceneObjectPart)o).UUID, nodeName, e.Message, e.StackTrace));
+                (o, nodeName, e) => {
+                    m_log.Debug(string.Format("[SceneObjectSerializer]: Error while parsing element {0} in object {1} {2} ",
+                        nodeName, ((SceneObjectPart)o).Name, ((SceneObjectPart)o).UUID), e);
+                });
+
+            if (errors)
+                throw new XmlException(string.Format("Error parsing object {0} {1}", obj.Name, obj.UUID));
 
             reader.ReadEndElement(); // SceneObjectPart
 
-            //m_log.DebugFormat("[XXX]: parsed SOP {0} - {1}", obj.Name, obj.UUID);
+            // m_log.DebugFormat("[SceneObjectSerializer]: parsed SOP {0} {1}", obj.Name, obj.UUID);
             return obj;
         }
 
-        public static TaskInventoryDictionary ReadTaskInventory(XmlTextReader reader, string name)
+        public static TaskInventoryDictionary ReadTaskInventory(XmlReader reader, string name)
         {
             TaskInventoryDictionary tinv = new TaskInventoryDictionary();
 
@@ -1504,7 +1662,7 @@ namespace OpenSim.Region.Framework.Scenes.Serialization
         /// <param name="name">The name of the xml element containing the shape</param>
         /// <param name="errors">a list containing the failing node names.  If no failures then null.</param>
         /// <returns>The shape parsed</returns>
-        public static PrimitiveBaseShape ReadShape(XmlTextReader reader, string name, out List<string> errorNodeNames)
+        public static PrimitiveBaseShape ReadShape(XmlReader reader, string name, out List<string> errorNodeNames, SceneObjectPart obj)
         {
             List<string> internalErrorNodeNames = null;
 
@@ -1523,18 +1681,14 @@ namespace OpenSim.Region.Framework.Scenes.Serialization
                 shape,
                 m_ShapeXmlProcessors,
                 reader,
-                (o, nodeName, e)
-                    =>
-                    {
-//                        m_log.DebugFormat(
-//                            "[SceneObjectSerializer]: Exception while parsing Shape property {0}: {1}{2}",
-//                            nodeName, e.Message, e.StackTrace);
-                        if (internalErrorNodeNames == null)
-                            internalErrorNodeNames = new List<string>();
+                (o, nodeName, e) => {
+                    m_log.Debug(string.Format("[SceneObjectSerializer]: Error while parsing element {0} in Shape property of object {1} {2} ",
+                        nodeName, obj.Name, obj.UUID), e);
 
-                        internalErrorNodeNames.Add(nodeName);
-                    }
-            );
+                    if (internalErrorNodeNames == null)
+                            internalErrorNodeNames = new List<string>();
+                    internalErrorNodeNames.Add(nodeName);
+                });
 
             reader.ReadEndElement(); // Shape
 
diff --git a/OpenSim/Region/Framework/Scenes/Serialization/SceneXmlLoader.cs b/OpenSim/Region/Framework/Scenes/Serialization/SceneXmlLoader.cs
index a3485d2..3c03130 100644
--- a/OpenSim/Region/Framework/Scenes/Serialization/SceneXmlLoader.cs
+++ b/OpenSim/Region/Framework/Scenes/Serialization/SceneXmlLoader.cs
@@ -34,7 +34,7 @@ using OpenMetaverse;
 using log4net;
 using OpenSim.Framework;
 using OpenSim.Region.Framework.Scenes;
-using OpenSim.Region.Physics.Manager;
+using OpenSim.Region.PhysicsModules.SharedBase;
 
 namespace OpenSim.Region.Framework.Scenes.Serialization
 {
diff --git a/OpenSim/Region/Framework/Scenes/SimStatsReporter.cs b/OpenSim/Region/Framework/Scenes/SimStatsReporter.cs
index b9d615e..3effee7 100644..100755
--- a/OpenSim/Region/Framework/Scenes/SimStatsReporter.cs
+++ b/OpenSim/Region/Framework/Scenes/SimStatsReporter.cs
@@ -61,6 +61,10 @@ namespace OpenSim.Region.Framework.Scenes
 
         private YourStatsAreWrong handlerStatsIncorrect;
 
+        // Determines the size of the array that is used to collect StatBlocks
+        // for sending to the SimStats and SimExtraStatsCollector
+        private const int m_statisticArraySize = 28;
+
         /// <summary>
         /// These are the IDs of stats sent in the StatsPacket to the viewer.
         /// </summary>
@@ -104,7 +108,12 @@ namespace OpenSim.Region.Framework.Scenes
             ScriptEps = 31,
             SimSpareMs = 32,
             SimSleepMs = 33,
-            SimIoPumpTime = 34
+            SimIoPumpTime = 34,
+            FrameDilation = 35,
+            UsersLoggingIn = 36,
+            TotalGeoPrim = 37,
+            TotalMesh = 38,
+            ThreadCount = 39
         }
 
         /// <summary>
@@ -167,15 +176,20 @@ namespace OpenSim.Region.Framework.Scenes
         /// Parameter to adjust reported scene fps
         /// </summary>
         /// <remarks>
-        /// Our scene loop runs slower than other server implementations, apparantly because we work somewhat differently.
-        /// However, we will still report an FPS that's closer to what people are used to seeing.  A lower FPS might
-        /// affect clients and monitoring scripts/software.
+        /// The close we have to a frame rate as expected by viewers, users and scripts
+        /// is heartbeat rate.
+        /// heartbeat rate default value is very diferent from the expected one
+        /// and can be changed from region to region acording to its specific simulation needs
+        /// since this creates incompatibility with expected values,
+        /// this scale factor can be used to normalize values to a Virtual FPS.
+        /// original decision was to use a value of 55fps for all opensim
+        /// corresponding, with default heartbeat rate, to a value of 5.
         /// </remarks>
-        private float m_reportedFpsCorrectionFactor = 5;
+        private float m_statisticsFPSfactor = 5.0f;
 
         // saved last reported value so there is something available for llGetRegionFPS 
         private float lastReportedSimFPS;
-        private float[] lastReportedSimStats = new float[22];
+        private float[] lastReportedSimStats = new float[m_statisticArraySize];
         private float m_pfps;
 
         /// <summary>
@@ -195,13 +209,13 @@ namespace OpenSim.Region.Framework.Scenes
         private int m_physicsMS;
         private int m_imageMS;
         private int m_otherMS;
-
-//Ckrinke: (3-21-08) Comment out to remove a compiler warning. Bring back into play when needed.
-//Ckrinke        private int m_scriptMS = 0;
+        private int m_scriptMS;
 
         private int m_rootAgents;
         private int m_childAgents;
         private int m_numPrim;
+        private int m_numGeoPrim;
+        private int m_numMesh;
         private int m_inPacketsPerSecond;
         private int m_outPacketsPerSecond;
         private int m_activePrim;
@@ -213,6 +227,34 @@ namespace OpenSim.Region.Framework.Scenes
 
         private int m_objectCapacity = 45000;
 
+        // This is the number of frames that will be stored and then averaged for
+        // the Total, Simulation, Physics, and Network Frame Time; It is set to
+        // 10 by default but can be changed by the OpenSim.ini configuration file
+        // NumberOfFrames parameter
+        private int m_numberFramesStored;
+
+        // The arrays that will hold the time it took to run the past N frames,
+        // where N is the num_frames_to_average given by the configuration file
+        private double[] m_totalFrameTimeMilliseconds;
+        private double[] m_simulationFrameTimeMilliseconds;
+        private double[] m_physicsFrameTimeMilliseconds;
+        private double[] m_networkFrameTimeMilliseconds;
+
+        // The location of the next time in milliseconds that will be
+        // (over)written when the next frame completes
+        private int m_nextLocation = 0;
+
+        // The correct number of frames that have completed since the last stats
+        // update for physics
+        private int m_numberPhysicsFrames;
+
+        // The current number of users attempting to login to the region
+        private int m_usersLoggingIn;
+
+        // The last reported value of threads from the SmartThreadPool inside of
+        // XEngine
+        private int m_inUseThreads;
+
         private Scene m_scene;
 
         private RegionInfo ReportingRegion;
@@ -222,12 +264,34 @@ namespace OpenSim.Region.Framework.Scenes
         private IEstateModule estateModule;
 
         public SimStatsReporter(Scene scene)
+            : this(scene, Scene.m_defaultNumberFramesStored)
+        {
+        }
+
+        public SimStatsReporter(Scene scene, int numberOfFrames)
         {
+            // Store the number of frames from the OpenSim.ini configuration file
+            m_numberFramesStored = numberOfFrames;
+
+            // Initialize the different frame time arrays to the correct sizes
+            m_totalFrameTimeMilliseconds = new double[m_numberFramesStored];
+            m_simulationFrameTimeMilliseconds = new double[m_numberFramesStored];
+            m_physicsFrameTimeMilliseconds = new double[m_numberFramesStored];
+            m_networkFrameTimeMilliseconds = new double[m_numberFramesStored];
+
+            // Initialize the current number of users logging into the region
+            m_usersLoggingIn = 0;
+
             m_scene = scene;
-            m_reportedFpsCorrectionFactor = scene.MinFrameTime * m_nominalReportedFps;
+   
             m_statsUpdateFactor = (float)(m_statsUpdatesEveryMS / 1000);
             ReportingRegion = scene.RegionInfo;
 
+            if(scene.Normalized55FPS)
+                m_statisticsFPSfactor = 55.0f * m_scene.MinFrameTicks / 1000.0f;
+            else
+                m_statisticsFPSfactor = 1.0f;
+                                
             m_objectCapacity = scene.RegionInfo.ObjectCapacity;
             m_report.AutoReset = true;
             m_report.Interval = m_statsUpdatesEveryMS;
@@ -239,7 +303,7 @@ namespace OpenSim.Region.Framework.Scenes
 
             /// At the moment, we'll only report if a frame is over 120% of target, since commonly frames are a bit
             /// longer than ideal (which in itself is a concern).
-            SlowFramesStatReportThreshold = (int)Math.Ceiling(m_scene.MinFrameTime * 1000 * 1.2);
+            SlowFramesStatReportThreshold = (int)Math.Ceiling(scene.MinFrameTicks * 1.2);
 
             SlowFramesStat
                 = new Stat(
@@ -254,8 +318,10 @@ namespace OpenSim.Region.Framework.Scenes
                     StatVerbosity.Info);
 
             StatsManager.RegisterStat(SlowFramesStat);
+
         }
 
+
         public void Close()
         {
             m_report.Elapsed -= TriggerStatsHeartbeat;
@@ -289,7 +355,21 @@ namespace OpenSim.Region.Framework.Scenes
 
         private void statsHeartBeat(object sender, EventArgs e)
         {
-            SimStatsPacket.StatBlock[] sb = new SimStatsPacket.StatBlock[22];
+            double totalSumFrameTime;
+            double simulationSumFrameTime;
+            double physicsSumFrameTime;
+            double networkSumFrameTime;
+            float frameDilation;
+            int currentFrame;
+
+            if (!m_scene.Active)
+                return;
+
+            // Create arrays to hold the statistics for this current scene,
+            // these will be passed to the SimExtraStatsCollector, they are also
+            // sent to the SimStats class
+            SimStatsPacket.StatBlock[] sb = new
+                SimStatsPacket.StatBlock[m_statisticArraySize];
             SimStatsPacket.RegionBlock rb = new SimStatsPacket.RegionBlock();
             
             // Know what's not thread safe in Mono... modifying timers.
@@ -311,14 +391,15 @@ namespace OpenSim.Region.Framework.Scenes
 
 #region various statistic googly moogly
 
-                // We're going to lie about the FPS because we've been lying since 2008.  The actual FPS is currently
-                // locked at a maximum of 11.  Maybe at some point this can change so that we're not lying.
-                int reportedFPS = (int)(m_fps * m_reportedFpsCorrectionFactor);
+               int reportedFPS = (int)(m_fps * m_statisticsFPSfactor);
 
                 // save the reported value so there is something available for llGetRegionFPS 
                 lastReportedSimFPS = reportedFPS / m_statsUpdateFactor;
 
-                float physfps = ((m_pfps / 1000));
+               // ORIGINAL code commented out until we have time to add our own
+               // statistics to the statistics window
+                //float physfps = ((m_pfps / 1000));
+               float physfps = m_numberPhysicsFrames * m_statisticsFPSfactor;
 
                 //if (physfps > 600)
                 //physfps = physfps - (physfps - 600);
@@ -331,6 +412,8 @@ namespace OpenSim.Region.Framework.Scenes
                 m_rootAgents = m_scene.SceneGraph.GetRootAgentCount();
                 m_childAgents = m_scene.SceneGraph.GetChildAgentCount();
                 m_numPrim = m_scene.SceneGraph.GetTotalObjectsCount();
+                m_numGeoPrim = m_scene.SceneGraph.GetTotalPrimObjectsCount();
+                m_numMesh = m_scene.SceneGraph.GetTotalMeshObjectsCount();
                 m_activePrim = m_scene.SceneGraph.GetActiveObjectsCount();
                 m_activeScripts = m_scene.SceneGraph.GetActiveScriptsCount();
 
@@ -349,18 +432,52 @@ namespace OpenSim.Region.Framework.Scenes
                 // values to X-per-second values.
 
                 uint thisFrame = m_scene.Frame;
-                float framesUpdated = (float)(thisFrame - m_lastUpdateFrame) * m_reportedFpsCorrectionFactor;
+                uint numFrames = thisFrame - m_lastUpdateFrame;
+                float framesUpdated = (float)numFrames * m_statisticsFPSfactor;
                 m_lastUpdateFrame = thisFrame;
 
                 // Avoid div-by-zero if somehow we've not updated any frames.
                 if (framesUpdated == 0)
                     framesUpdated = 1;
 
-                for (int i = 0; i < 22; i++)
+                for (int i = 0; i < m_statisticArraySize; i++)
                 {
                     sb[i] = new SimStatsPacket.StatBlock();
                 }
-                
+
+                // Resetting the sums of the frame times to prevent any errors
+                // in calculating the moving average for frame time
+                totalSumFrameTime = 0;
+                simulationSumFrameTime = 0;
+                physicsSumFrameTime = 0;
+                networkSumFrameTime = 0;
+
+                // Loop through all the frames that were stored for the current
+                // heartbeat to process the moving average of frame times
+                for (int i = 0; i < m_numberFramesStored; i++)
+                {
+                    // Sum up each frame time in order to calculate the moving
+                    // average of frame time
+                    totalSumFrameTime += m_totalFrameTimeMilliseconds[i];
+                    simulationSumFrameTime +=
+                        m_simulationFrameTimeMilliseconds[i];
+                    physicsSumFrameTime += m_physicsFrameTimeMilliseconds[i];
+                    networkSumFrameTime += m_networkFrameTimeMilliseconds[i];
+                }
+
+                // Get the index that represents the current frame based on the next one known; go back
+                // to the last index if next one is stated to restart at 0
+                if (m_nextLocation == 0)
+                    currentFrame = m_numberFramesStored - 1;
+                else
+                    currentFrame = m_nextLocation - 1;
+
+                // Calculate the frame dilation; which is currently based on the ratio between the sum of the
+                // physics and simulation rate, and the set minimum time to run a scene's frame
+                frameDilation = (float)(m_simulationFrameTimeMilliseconds[currentFrame] +
+                   m_physicsFrameTimeMilliseconds[currentFrame]) / m_scene.MinFrameTicks;
+
+                // ORIGINAL code commented out until we have time to add our own
                 sb[0].StatID = (uint) Stats.TimeDilation;
                 sb[0].StatValue = (Single.IsNaN(m_timeDilation)) ? 0.1f : m_timeDilation ; //((((m_timeDilation + (0.10f * statsUpdateFactor)) /10)  / statsUpdateFactor));
 
@@ -385,20 +502,26 @@ namespace OpenSim.Region.Framework.Scenes
                 sb[7].StatID = (uint) Stats.ActivePrim;
                 sb[7].StatValue = m_activePrim;
 
+               // ORIGINAL code commented out until we have time to add our own
+               // statistics to the statistics window
                 sb[8].StatID = (uint)Stats.FrameMS;
-                sb[8].StatValue = m_frameMS / framesUpdated;
+                //sb[8].StatValue = m_frameMS / framesUpdated;
+                sb[8].StatValue = (float) totalSumFrameTime / m_numberFramesStored / m_statisticsFPSfactor;
 
                 sb[9].StatID = (uint)Stats.NetMS;
-                sb[9].StatValue = m_netMS / framesUpdated;
+                //sb[9].StatValue = m_netMS / framesUpdated;
+                sb[9].StatValue = (float) networkSumFrameTime / m_numberFramesStored / m_statisticsFPSfactor;
 
                 sb[10].StatID = (uint)Stats.PhysicsMS;
-                sb[10].StatValue = m_physicsMS / framesUpdated;
+                //sb[10].StatValue = m_physicsMS / framesUpdated;
+                sb[10].StatValue = (float) physicsSumFrameTime / m_numberFramesStored / m_statisticsFPSfactor;
 
                 sb[11].StatID = (uint)Stats.ImageMS ;
                 sb[11].StatValue = m_imageMS / framesUpdated;
 
                 sb[12].StatID = (uint)Stats.OtherMS;
-                sb[12].StatValue = m_otherMS / framesUpdated;
+                //sb[12].StatValue = m_otherMS / framesUpdated;
+                sb[12].StatValue = (float) simulationSumFrameTime / m_numberFramesStored / m_statisticsFPSfactor;
 
                 sb[13].StatID = (uint)Stats.InPacketsPerSecond;
                 sb[13].StatValue = (m_inPacketsPerSecond / m_statsUpdateFactor);
@@ -427,7 +550,31 @@ namespace OpenSim.Region.Framework.Scenes
                 sb[21].StatID = (uint)Stats.SimSpareMs;
                 sb[21].StatValue = m_spareMS / framesUpdated;
 
-                for (int i = 0; i < 22; i++)
+                // Current ratio between the sum of physics and sim rate, and the
+                // minimum time to run a scene's frame
+                sb[22].StatID = (uint)Stats.FrameDilation;
+                sb[22].StatValue = frameDilation;
+
+                // Current number of users currently attemptint to login to region
+                sb[23].StatID = (uint)Stats.UsersLoggingIn;
+                sb[23].StatValue = m_usersLoggingIn;
+
+                // Total number of geometric primitives in the scene
+                sb[24].StatID = (uint)Stats.TotalGeoPrim;
+                sb[24].StatValue = m_numGeoPrim;
+
+                // Total number of mesh objects in the scene
+                sb[25].StatID = (uint)Stats.TotalMesh;
+                sb[25].StatValue = m_numMesh;
+
+                // Current number of threads that XEngine is using
+                sb[26].StatID = (uint)Stats.ThreadCount;
+                sb[26].StatValue = m_inUseThreads;
+
+                sb[27].StatID = (uint)Stats.ScriptMS;
+                sb[27].StatValue = (numFrames <= 0) ? 0 : ((float)m_scriptMS / numFrames);
+
+                for (int i = 0; i < m_statisticArraySize; i++)
                 {
                     lastReportedSimStats[i] = sb[i].StatValue;
                 }
@@ -472,6 +619,10 @@ namespace OpenSim.Region.Framework.Scenes
 
         private void ResetValues()
         {
+            // Reset the number of frames that the physics library has
+            // processed since the last stats report
+            m_numberPhysicsFrames = 0;
+
             m_timeDilation = 0;
             m_fps = 0;
             m_pfps = 0;
@@ -488,10 +639,8 @@ namespace OpenSim.Region.Framework.Scenes
             m_physicsMS = 0;
             m_imageMS = 0;
             m_otherMS = 0;
+            m_scriptMS = 0;
             m_spareMS = 0;
-
-//Ckrinke This variable is not used, so comment to remove compiler warning until it is used.
-//Ckrinke            m_scriptMS = 0;
         }
 
         # region methods called from Scene
@@ -602,6 +751,37 @@ namespace OpenSim.Region.Framework.Scenes
             m_otherMS += ms;
         }
 
+        public void AddScriptMS(int ms)
+        {
+            m_scriptMS += ms;
+        }
+
+        public void addPhysicsFrame(int frames)
+        {
+            // Add the number of physics frames to the correct total physics
+            // frames
+            m_numberPhysicsFrames += frames;
+        }
+
+        public void addFrameTimeMilliseconds(double total, double simulation,
+            double physics, double network)
+        {
+            // Save the frame times from the current frame into the appropriate
+            // arrays
+            m_totalFrameTimeMilliseconds[m_nextLocation] = total;
+            m_simulationFrameTimeMilliseconds[m_nextLocation] = simulation;
+            m_physicsFrameTimeMilliseconds[m_nextLocation] = physics;
+            m_networkFrameTimeMilliseconds[m_nextLocation] = network;
+
+            // Update to the next location in the list
+            m_nextLocation++;
+
+            // Since the list will begin to overwrite the oldest frame values
+            // first, the next location needs to loop back to the beginning of the
+            // list whenever it reaches the end
+            m_nextLocation = m_nextLocation % m_numberFramesStored;
+        }
+
         public void AddPendingDownloads(int count)
         {
             m_pendingDownloads += count;
@@ -624,6 +804,31 @@ namespace OpenSim.Region.Framework.Scenes
             AddunAckedBytes(unAckedBytes);
         }
 
+        public void UpdateUsersLoggingIn(bool isLoggingIn)
+        {
+            // Determine whether the user has started logging in or has completed
+            // logging into the region
+            if (isLoggingIn)
+            {
+                // The user is starting to login to the region so increment the
+                // number of users attempting to login to the region
+                m_usersLoggingIn++;
+            }
+            else
+            {
+                // The user has finished logging into the region so decrement the
+                // number of users logging into the region
+                m_usersLoggingIn--;
+            }
+        }
+
+        public void SetThreadCount(int inUseThreads)
+        {
+            // Save the new number of threads to our member variable to send to
+            // the extra stats collector
+            m_inUseThreads = inUseThreads;
+        }
+
         #endregion
 
         public Dictionary<string, float> GetExtraSimStats()
diff --git a/OpenSim/Region/Framework/Scenes/TerrainChannel.cs b/OpenSim/Region/Framework/Scenes/TerrainChannel.cs
index c0ca48e..3d563a6 100644
--- a/OpenSim/Region/Framework/Scenes/TerrainChannel.cs
+++ b/OpenSim/Region/Framework/Scenes/TerrainChannel.cs
@@ -25,14 +25,21 @@
  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-using OpenSim.Framework;
-using OpenSim.Region.Framework.Interfaces;
 using System;
+using System.IO;
 using System.Text;
+using System.Reflection;
 using System.Xml;
-using System.IO;
 using System.Xml.Serialization;
 
+using OpenSim.Data;
+using OpenSim.Framework;
+using OpenSim.Region.Framework.Interfaces;
+
+using OpenMetaverse;
+
+using log4net;
+
 namespace OpenSim.Region.Framework.Scenes
 {
     /// <summary>
@@ -40,132 +47,136 @@ namespace OpenSim.Region.Framework.Scenes
     /// </summary>
     public class TerrainChannel : ITerrainChannel
     {
-        private readonly bool[,] taint;
-        private double[,] map;
+        private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
+        private static string LogHeader = "[TERRAIN CHANNEL]";
+
+        protected TerrainData m_terrainData;
+
+        public int Width { get { return m_terrainData.SizeX; } }  // X dimension
+        // Unfortunately, for historical reasons, in this module 'Width' is X and 'Height' is Y
+        public int Height { get { return m_terrainData.SizeY; } } // Y dimension
+        public int Altitude { get { return m_terrainData.SizeZ; } } // Y dimension
 
+        // Default, not-often-used builder
         public TerrainChannel()
         {
-            map = new double[Constants.RegionSize, Constants.RegionSize];
-            taint = new bool[Constants.RegionSize / 16, Constants.RegionSize / 16];
-
-            PinHeadIsland();
+            m_terrainData = new HeightmapTerrainData((int)Constants.RegionSize, (int)Constants.RegionSize, (int)Constants.RegionHeight);
+            FlatLand();
+            // PinHeadIsland();
         }
 
-        public TerrainChannel(String type)
+        // Create terrain of given size
+        public TerrainChannel(int pX, int pY)
         {
-            map = new double[Constants.RegionSize, Constants.RegionSize];
-            taint = new bool[Constants.RegionSize / 16, Constants.RegionSize / 16];
+            m_terrainData = new HeightmapTerrainData(pX, pY, (int)Constants.RegionHeight);
+        }
 
+        // Create terrain of specified size and initialize with specified terrain.
+        // TODO: join this with the terrain initializers.
+        public TerrainChannel(String type, int pX, int pY, int pZ)
+        {
+            m_terrainData = new HeightmapTerrainData(pX, pY, pZ);
             if (type.Equals("flat"))
                 FlatLand();
             else
                 PinHeadIsland();
         }
 
-        public TerrainChannel(double[,] import)
+        // Create channel passed a heightmap and expected dimensions of the region.
+        // The heightmap might not fit the passed size so accomodations must be made.
+        public TerrainChannel(double[,] pM, int pSizeX, int pSizeY, int pAltitude)
         {
-            map = import;
-            taint = new bool[import.GetLength(0),import.GetLength(1)];
-        }
+            int hmSizeX = pM.GetLength(0);
+            int hmSizeY = pM.GetLength(1);
 
-        public TerrainChannel(bool createMap)
-        {
-            if (createMap)
-            {
-                map = new double[Constants.RegionSize,Constants.RegionSize];
-                taint = new bool[Constants.RegionSize / 16,Constants.RegionSize / 16];
-            }
+            m_terrainData = new HeightmapTerrainData(pSizeX, pSizeY, pAltitude);
+
+            for (int xx = 0; xx < pSizeX; xx++)
+                for (int yy = 0; yy < pSizeY; yy++)
+                    if (xx > hmSizeX || yy > hmSizeY)
+                        m_terrainData[xx, yy] = TerrainData.DefaultTerrainHeight;
+                    else
+                        m_terrainData[xx, yy] = (float)pM[xx, yy];
         }
 
-        public TerrainChannel(int w, int h)
+        public TerrainChannel(TerrainData pTerrData)
         {
-            map = new double[w,h];
-            taint = new bool[w / 16,h / 16];
+            m_terrainData = pTerrData;
         }
 
         #region ITerrainChannel Members
 
-        public int Width
+        // ITerrainChannel.MakeCopy()
+        public ITerrainChannel MakeCopy()
         {
-            get { return map.GetLength(0); }
+            return this.Copy();
         }
 
-        public int Height
+        // ITerrainChannel.GetTerrainData()
+        public TerrainData GetTerrainData()
         {
-            get { return map.GetLength(1); }
+            return m_terrainData;
         }
 
-        public ITerrainChannel MakeCopy()
+        // ITerrainChannel.GetFloatsSerialized()
+        // This one dimensional version is ordered so height = map[y*sizeX+x];
+        // DEPRECATED: don't use this function as it does not retain the dimensions of the terrain
+        //     and the caller will probably do the wrong thing if the terrain is not the legacy 256x256.
+        public float[] GetFloatsSerialised()
         {
-            TerrainChannel copy = new TerrainChannel(false);
-            copy.map = (double[,]) map.Clone();
-
-            return copy;
+            return m_terrainData.GetFloatsSerialized();
         }
 
-        public float[] GetFloatsSerialised()
+        // ITerrainChannel.GetDoubles()
+        public double[,] GetDoubles()
         {
-            // Move the member variables into local variables, calling
-            // member variables 256*256 times gets expensive
-            int w = Width;
-            int h = Height;
-            float[] heights = new float[w * h];
+            double[,] heights = new double[Width, Height];
 
-            int i, j; // map coordinates
             int idx = 0; // index into serialized array
-            for (i = 0; i < h; i++)
+            for (int ii = 0; ii < Width; ii++)
             {
-                for (j = 0; j < w; j++)
+                for (int jj = 0; jj < Height; jj++)
                 {
-                    heights[idx++] = (float)map[j, i];
+                    heights[ii, jj] = (double)m_terrainData[ii, jj];
+                    idx++;
                 }
             }
 
             return heights;
         }
 
-        public double[,] GetDoubles()
-        {
-            return map;
-        }
-
+        // ITerrainChannel.this[x,y]
         public double this[int x, int y]
         {
-            get { return map[x, y]; }
+            get {
+                if (x < 0 || x >= Width || y < 0 || y >= Height)
+                    return 0;
+                return (double)m_terrainData[x, y];
+            }
             set
             {
-                // Will "fix" terrain hole problems. Although not fantastically.
                 if (Double.IsNaN(value) || Double.IsInfinity(value))
                     return;
 
-                if (map[x, y] != value)
-                {
-                    taint[x / 16, y / 16] = true;
-                    map[x, y] = value;
-                }
+                m_terrainData[x, y] = (float)value;
             }
         }
 
-        public bool Tainted(int x, int y)
+        // ITerrainChannel.GetHieghtAtXYZ(x, y, z)
+        public float GetHeightAtXYZ(float x, float y, float z)
         {
-            if (taint[x / 16, y / 16])
-            {
-                taint[x / 16, y / 16] = false;
-                return true;
-            }
-            return false;
+            if (x < 0 || x >= Width || y < 0 || y >= Height)
+                return 0;
+            return m_terrainData[(int)x, (int)y];
         }
 
-        #endregion
-
-        public TerrainChannel Copy()
+        // ITerrainChannel.Tainted()
+        public bool Tainted(int x, int y)
         {
-            TerrainChannel copy = new TerrainChannel(false);
-            copy.map = (double[,]) map.Clone();
-
-            return copy;
+            return m_terrainData.IsTaintedAt(x, y);
         }
 
+        // ITerrainChannel.SaveToXmlString()
         public string SaveToXmlString()
         {
             XmlWriterSettings settings = new XmlWriterSettings();
@@ -181,13 +192,7 @@ namespace OpenSim.Region.Framework.Scenes
             }
         }
 
-        private void WriteXml(XmlWriter writer)
-        {
-            writer.WriteStartElement(String.Empty, "TerrainMap", String.Empty);
-            ToXml(writer);
-            writer.WriteEndElement();
-        }
-
+        // ITerrainChannel.LoadFromXmlString()
         public void LoadFromXmlString(string data)
         {
             StringReader sr = new StringReader(data);
@@ -199,12 +204,124 @@ namespace OpenSim.Region.Framework.Scenes
             sr.Close();
         }
 
+        // ITerrainChannel.Merge
+        public void Merge(ITerrainChannel newTerrain, Vector3 displacement, float radianRotation, Vector2 rotationDisplacement)
+        {
+            m_log.DebugFormat("{0} Merge. inSize=<{1},{2}>, disp={3}, rot={4}, rotDisp={5}, outSize=<{6},{7}>", LogHeader,
+                                        newTerrain.Width, newTerrain.Height,
+                                        displacement, radianRotation, rotationDisplacement,
+                                        m_terrainData.SizeX, m_terrainData.SizeY);
+            for (int xx = 0; xx < newTerrain.Width; xx++)
+            {
+                for (int yy = 0; yy < newTerrain.Height; yy++)
+                {
+                    int dispX = (int)displacement.X;
+                    int dispY = (int)displacement.Y;
+                    float newHeight = (float)newTerrain[xx, yy] + displacement.Z;
+                    if (radianRotation == 0)
+                    {
+                        // If no rotation, place the new height in the specified location
+                        dispX += xx;
+                        dispY += yy;
+                        if (dispX >= 0 && dispX < m_terrainData.SizeX && dispY >= 0 && dispY < m_terrainData.SizeY)
+                        {
+                            m_terrainData[dispX, dispY] = newHeight;
+                        }
+                    }
+                    else
+                    {
+                        // If rotating, we have to smooth the result because the conversion
+                        //    to ints will mean heightmap entries will not get changed
+                        // First compute the rotation location for the new height.
+                        dispX += (int)(rotationDisplacement.X
+                            + ((float)xx - rotationDisplacement.X) * Math.Cos(radianRotation)
+                            - ((float)yy - rotationDisplacement.Y) * Math.Sin(radianRotation) );
+
+                        dispY += (int)(rotationDisplacement.Y
+                            + ((float)xx - rotationDisplacement.X) * Math.Sin(radianRotation)
+                            + ((float)yy - rotationDisplacement.Y) * Math.Cos(radianRotation) );
+
+                        if (dispX >= 0 && dispX < m_terrainData.SizeX && dispY >= 0 && dispY < m_terrainData.SizeY)
+                        {
+                            float oldHeight = m_terrainData[dispX, dispY];
+                            // Smooth the heights around this location if the old height is far from this one
+                            for (int sxx = dispX - 2; sxx < dispX + 2; sxx++)
+                            {
+                                for (int syy = dispY - 2; syy < dispY + 2; syy++)
+                                {
+                                    if (sxx >= 0 && sxx < m_terrainData.SizeX && syy >= 0 && syy < m_terrainData.SizeY)
+                                    {
+                                        if (sxx == dispX && syy == dispY)
+                                        {
+                                            // Set height for the exact rotated point
+                                            m_terrainData[dispX, dispY] = newHeight;
+                                        }
+                                        else
+                                        {
+                                            if (Math.Abs(m_terrainData[sxx, syy] - newHeight) > 1f)
+                                            {
+                                                // If the adjacent height is far off, force it to this height
+                                                m_terrainData[sxx, syy] = newHeight;
+                                            }
+                                        }
+                                    }
+                                }
+                            }
+                        }
+
+                        if (dispX >= 0 && dispX < m_terrainData.SizeX && dispY >= 0 && dispY < m_terrainData.SizeY)
+                        {
+                            m_terrainData[dispX, dispY] = (float)newTerrain[xx, yy];
+                        }
+                    }
+                }
+            }
+        }
+
+        #endregion
+
+        public TerrainChannel Copy()
+        {
+            TerrainChannel copy = new TerrainChannel();
+            copy.m_terrainData = m_terrainData.Clone();
+            return copy;
+        }
+
+        private void WriteXml(XmlWriter writer)
+        {
+            if (Width == Constants.RegionSize && Height == Constants.RegionSize)
+            {
+                // Downward compatibility for legacy region terrain maps.
+                // If region is exactly legacy size, return the old format XML.
+                writer.WriteStartElement(String.Empty, "TerrainMap", String.Empty);
+                ToXml(writer);
+                writer.WriteEndElement();
+            }
+            else
+            {
+                // New format XML that includes width and length.
+                writer.WriteStartElement(String.Empty, "TerrainMap2", String.Empty);
+                ToXml2(writer);
+                writer.WriteEndElement();
+            }
+        }
+
         private void ReadXml(XmlReader reader)
         {
-            reader.ReadStartElement("TerrainMap");
-            FromXml(reader);
+            // Check the first element. If legacy element, use the legacy reader.
+            if (reader.IsStartElement("TerrainMap"))
+            {
+                reader.ReadStartElement("TerrainMap");
+                FromXml(reader);
+            }
+            else
+            {
+                reader.ReadStartElement("TerrainMap2");
+                FromXml2(reader);
+            }
         }
 
+        // Write legacy terrain map. Presumed to be 256x256 of data encoded as floats in a byte array.
         private void ToXml(XmlWriter xmlWriter)
         {
             float[] mapData = GetFloatsSerialised();
@@ -218,12 +335,15 @@ namespace OpenSim.Region.Framework.Scenes
             serializer.Serialize(xmlWriter, buffer);
         }
 
+        // Read legacy terrain map. Presumed to be 256x256 of data encoded as floats in a byte array.
         private void FromXml(XmlReader xmlReader)
         {
             XmlSerializer serializer = new XmlSerializer(typeof(byte[]));
             byte[] dataArray = (byte[])serializer.Deserialize(xmlReader);
             int index = 0;
 
+            m_terrainData = new HeightmapTerrainData(Height, Width, (int)Constants.RegionHeight);
+            
             for (int y = 0; y < Height; y++)
             {
                 for (int x = 0; x < Width; x++)
@@ -236,35 +356,63 @@ namespace OpenSim.Region.Framework.Scenes
             }
         }
 
+        private class TerrainChannelXMLPackage
+        {
+            public int Version;
+            public int SizeX;
+            public int SizeY;
+            public int SizeZ;
+            public float CompressionFactor;
+            public int[] Map;
+            public TerrainChannelXMLPackage(int pX, int pY, int pZ, float pCompressionFactor, int[] pMap)
+            {
+                Version = 1;
+                SizeX = pX;
+                SizeY = pY;
+                SizeZ = pZ;
+                CompressionFactor = pCompressionFactor;
+                Map = pMap;
+            }
+        }
+
+        // New terrain serialization format that includes the width and length.
+        private void ToXml2(XmlWriter xmlWriter)
+        {
+            TerrainChannelXMLPackage package = new TerrainChannelXMLPackage(Width, Height, Altitude, m_terrainData.CompressionFactor,
+                                            m_terrainData.GetCompressedMap());
+            XmlSerializer serializer = new XmlSerializer(typeof(TerrainChannelXMLPackage));
+            serializer.Serialize(xmlWriter, package);
+        }
+
+        // New terrain serialization format that includes the width and length.
+        private void FromXml2(XmlReader xmlReader)
+        {
+            XmlSerializer serializer = new XmlSerializer(typeof(TerrainChannelXMLPackage));
+            TerrainChannelXMLPackage package = (TerrainChannelXMLPackage)serializer.Deserialize(xmlReader);
+            m_terrainData = new HeightmapTerrainData(package.Map, package.CompressionFactor, package.SizeX, package.SizeY, package.SizeZ);
+        }
+
+        // Fill the heightmap with the center bump terrain
         private void PinHeadIsland()
         {
-            int x;
-            for (x = 0; x < Constants.RegionSize; x++)
+            for (int x = 0; x < Width; x++)
             {
-                int y;
-                for (y = 0; y < Constants.RegionSize; y++)
+                for (int y = 0; y < Height; y++)
                 {
-                    map[x, y] = TerrainUtil.PerlinNoise2D(x, y, 2, 0.125) * 10;
-                    double spherFacA = TerrainUtil.SphericalFactor(x, y, Constants.RegionSize / 2.0, Constants.RegionSize / 2.0, 50) * 0.01;
-                    double spherFacB = TerrainUtil.SphericalFactor(x, y, Constants.RegionSize / 2.0, Constants.RegionSize / 2.0, 100) * 0.001;
-                    if (map[x, y] < spherFacA)
-                        map[x, y] = spherFacA;
-                    if (map[x, y] < spherFacB)
-                        map[x, y] = spherFacB;
+                    m_terrainData[x, y] = (float)TerrainUtil.PerlinNoise2D(x, y, 2, 0.125) * 10;
+                    float spherFacA = (float)(TerrainUtil.SphericalFactor(x, y, m_terrainData.SizeX / 2.0, m_terrainData.SizeY / 2.0, 50) * 0.01d);
+                    float spherFacB = (float)(TerrainUtil.SphericalFactor(x, y, m_terrainData.SizeX / 2.0, m_terrainData.SizeY / 2.0, 100) * 0.001d);
+                    if (m_terrainData[x, y]< spherFacA)
+                        m_terrainData[x, y]= spherFacA;
+                    if (m_terrainData[x, y]< spherFacB)
+                        m_terrainData[x, y] = spherFacB;
                 }
             }
         }
 
         private void FlatLand()
         {
-            int x;
-            for (x = 0; x < Constants.RegionSize; x++)
-            {
-                int y;
-                for (y = 0; y < Constants.RegionSize; y++)
-                    map[x, y] = 21;
-            }
+            m_terrainData.ClearLand();
         }
-
     }
 }
diff --git a/OpenSim/Region/Framework/Scenes/TerrainCompressor.cs b/OpenSim/Region/Framework/Scenes/TerrainCompressor.cs
new file mode 100644
index 0000000..fc8f8cd
--- /dev/null
+++ b/OpenSim/Region/Framework/Scenes/TerrainCompressor.cs
@@ -0,0 +1,948 @@
+/*
+ * Copyright (c) Contributors, http://opensimulator.org/
+ * See CONTRIBUTORS.TXT for a full list of copyright holders.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * Neither the name of the OpenSimulator Project nor the
+ *       names of its contributors may be used to endorse or promote products
+ *       derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/* Freely adapted from the Aurora version of the terrain compressor.
+ * Copyright (c) Contributors, http://aurora-sim.org/, http://opensimulator.org/
+ */
+
+using System;
+using System.Reflection;
+
+using log4net;
+
+using OpenSim.Framework;
+using OpenSim.Region.Framework;
+using OpenSim.Region.Framework.Scenes;
+
+using OpenMetaverse;
+using OpenMetaverse.Packets;
+
+namespace OpenSim.Region.ClientStack.LindenUDP
+{
+    public static class OpenSimTerrainCompressor
+    {
+//        private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
+
+#pragma warning disable 414
+        private static string LogHeader = "[TERRAIN COMPRESSOR]";
+#pragma warning restore 414
+
+        public const int END_OF_PATCHES = 97;
+
+        private const float OO_SQRT2 = 0.7071067811865475244008443621049f;
+        private const int STRIDE = 264;
+
+        private const int ZERO_CODE = 0x0;
+        private const int ZERO_EOB = 0x2;
+        private const int POSITIVE_VALUE = 0x6;
+        private const int NEGATIVE_VALUE = 0x7;
+
+        private static readonly float[] DequantizeTable16 =
+            new float[Constants.TerrainPatchSize*Constants.TerrainPatchSize];
+
+        private static readonly float[] DequantizeTable32 =
+            new float[Constants.TerrainPatchSize*Constants.TerrainPatchSize];
+
+        private static readonly float[] CosineTable16 = new float[Constants.TerrainPatchSize*Constants.TerrainPatchSize];
+        //private static readonly float[] CosineTable32 = new float[Constants.TerrainPatchSize * Constants.TerrainPatchSize];
+        private static readonly int[] CopyMatrix16 = new int[Constants.TerrainPatchSize*Constants.TerrainPatchSize];
+        private static readonly int[] CopyMatrix32 = new int[Constants.TerrainPatchSize*Constants.TerrainPatchSize];
+
+        private static readonly float[] QuantizeTable16 =
+            new float[Constants.TerrainPatchSize*Constants.TerrainPatchSize];
+
+        static OpenSimTerrainCompressor()
+        {
+            // Initialize the decompression tables
+            BuildDequantizeTable16();
+            SetupCosines16();
+            BuildCopyMatrix16();
+            BuildQuantizeTable16();
+        }
+
+        // Used to send cloud and wind patches
+        public static LayerDataPacket CreateLayerDataPacket(TerrainPatch[] patches, byte type, int pRegionSizeX,
+                                                            int pRegionSizeY)
+        {
+            LayerDataPacket layer = new LayerDataPacket {LayerID = {Type = type}};
+
+            TerrainPatch.GroupHeader header = new TerrainPatch.GroupHeader
+                                                  {Stride = STRIDE, PatchSize = Constants.TerrainPatchSize};
+
+            // Should be enough to fit even the most poorly packed data
+            byte[] data = new byte[patches.Length*Constants.TerrainPatchSize*Constants.TerrainPatchSize*2];
+            BitPack bitpack = new BitPack(data, 0);
+            bitpack.PackBits(header.Stride, 16);
+            bitpack.PackBits(header.PatchSize, 8);
+            bitpack.PackBits(type, 8);
+
+            foreach (TerrainPatch t in patches)
+                CreatePatch(bitpack, t.Data, t.X, t.Y, pRegionSizeX, pRegionSizeY);
+
+            bitpack.PackBits(END_OF_PATCHES, 8);
+
+            layer.LayerData.Data = new byte[bitpack.BytePos + 1];
+            Buffer.BlockCopy(bitpack.Data, 0, layer.LayerData.Data, 0, bitpack.BytePos + 1);
+
+            return layer;
+        }
+
+        // Create a land packet for a single patch.
+        public static LayerDataPacket CreateLandPacket(TerrainData terrData, int patchX, int patchY)
+        {
+            int[] xPieces = new int[1];
+            int[] yPieces = new int[1];
+            xPieces[0] = patchX;  // patch X dimension
+            yPieces[0] = patchY;
+
+            return CreateLandPacket(terrData, xPieces, yPieces);
+        }
+
+        public static LayerDataPacket CreateLandPacket(TerrainData terrData, int[] xPieces, int[] yPieces)
+        {
+            byte landPacketType = (byte)TerrainPatch.LayerType.Land;
+            if (terrData.SizeX > Constants.RegionSize || terrData.SizeY > Constants.RegionSize)
+            {
+                landPacketType = (byte)TerrainPatch.LayerType.LandExtended;
+            }
+
+            return CreateLandPacket(terrData, xPieces, yPieces, landPacketType);
+        }
+
+        /// <summary>
+        ///     Creates a LayerData packet for compressed land data given a full
+        ///     simulator heightmap and an array of indices of patches to compress
+        /// </summary>
+        /// <param name="terrData">
+        ///     Terrain data that can result in a meter square heightmap.
+        /// </param>
+        /// <param name="x">
+        ///     Array of indexes in the grid of patches
+        ///     for this simulator.
+        ///     If creating a packet for multiple patches, there will be entries in
+        ///     both the X and Y arrays for each of the patches.
+        ///     For example if patches 1 and 17 are to be sent,
+        ///     x[] = {1,1} and y[] = {0,1} which specifies the patches at
+        ///     indexes <1,0> and <1,1> (presuming the terrain size is 16x16 patches).
+        /// </param>
+        /// <param name="y">
+        ///     Array of indexes in the grid of patches.
+        /// </param>
+        /// <param name="type"></param>
+        /// <returns></returns>
+        public static LayerDataPacket CreateLandPacket(TerrainData terrData, int[] x, int[] y, byte type)
+        {
+            LayerDataPacket layer = new LayerDataPacket {LayerID = {Type = type}};
+
+            TerrainPatch.GroupHeader header = new TerrainPatch.GroupHeader
+                                                  {Stride = STRIDE, PatchSize = Constants.TerrainPatchSize};
+
+            byte[] data = new byte[x.Length * Constants.TerrainPatchSize * Constants.TerrainPatchSize * 2];
+            BitPack bitpack = new BitPack(data, 0);
+            bitpack.PackBits(header.Stride, 16);
+            bitpack.PackBits(header.PatchSize, 8);
+            bitpack.PackBits(type, 8);
+
+            for (int i = 0; i < x.Length; i++)
+                CreatePatchFromHeightmap(bitpack, terrData, x[i], y[i]);
+
+            bitpack.PackBits(END_OF_PATCHES, 8);
+
+            layer.LayerData.Data = new byte[bitpack.BytePos + 1];
+            Buffer.BlockCopy(bitpack.Data, 0, layer.LayerData.Data, 0, bitpack.BytePos + 1);
+
+            return layer;
+        }
+
+        // Unused: left for historical reference.
+        public static void CreatePatch(BitPack output, float[] patchData, int x, int y, int pRegionSizeX, int pRegionSizeY)
+        {
+            TerrainPatch.Header header = PrescanPatch(patchData);
+            header.QuantWBits = 136;
+            if (pRegionSizeX > Constants.RegionSize || pRegionSizeY > Constants.RegionSize)
+            {
+                header.PatchIDs = (y & 0xFFFF);
+                header.PatchIDs += (x << 16);
+            }
+            else
+            {
+                header.PatchIDs = (y & 0x1F);
+                header.PatchIDs += (x << 5);
+            }
+
+            // NOTE: No idea what prequant and postquant should be or what they do
+
+            int wbits;
+            int[] patch = CompressPatch(patchData, header, 10, out wbits);
+            wbits = EncodePatchHeader(output, header, patch, Constants.RegionSize, Constants.RegionSize, wbits);
+            EncodePatch(output, patch, 0, wbits);
+        }
+
+        /// <summary>
+        ///     Add a patch of terrain to a BitPacker
+        /// </summary>
+        /// <param name="output">BitPacker to write the patch to</param>
+        /// <param name="heightmap">
+        ///     Heightmap of the simulator. Presumed to be an sizeX*sizeY array.
+        /// </param>
+        /// <param name="patchX">
+        ///     X offset of the patch to create.
+        /// </param>
+        /// <param name="patchY">
+        ///     Y offset of the patch to create.
+        /// </param>
+        /// <param name="pRegionSizeX"></param>
+        /// <param name="pRegionSizeY"></param>
+        public static void CreatePatchFromHeightmap(BitPack output, TerrainData terrData, int patchX, int patchY)
+        {
+            TerrainPatch.Header header = PrescanPatch(terrData, patchX, patchY);
+            header.QuantWBits = 136;
+
+            // If larger than legacy region size, pack patch X and Y info differently.
+            if (terrData.SizeX > Constants.RegionSize || terrData.SizeY > Constants.RegionSize)
+            {
+                header.PatchIDs = (patchY & 0xFFFF);
+                header.PatchIDs += (patchX << 16);
+            }
+            else
+            {
+                header.PatchIDs = (patchY & 0x1F);
+                header.PatchIDs += (patchX << 5);
+            }
+
+            // m_log.DebugFormat("{0} CreatePatchFromHeightmap. patchX={1}, patchY={2}, DCOffset={3}, range={4}",
+            //                         LogHeader, patchX, patchY, header.DCOffset, header.Range);
+
+            // NOTE: No idea what prequant and postquant should be or what they do
+            int wbits;
+            int[] patch = CompressPatch(terrData, patchX, patchY, header, 10, out wbits);
+            wbits = EncodePatchHeader(output, header, patch, (uint)terrData.SizeX, (uint)terrData.SizeY, wbits);
+            EncodePatch(output, patch, 0, wbits);
+        }
+
+        private static TerrainPatch.Header PrescanPatch(float[] patch)
+        {
+            TerrainPatch.Header header = new TerrainPatch.Header();
+            float zmax = -99999999.0f;
+            float zmin = 99999999.0f;
+
+            for (int i = 0; i < Constants.TerrainPatchSize*Constants.TerrainPatchSize; i++)
+            {
+                float val = patch[i];
+                if (val > zmax) zmax = val;
+                if (val < zmin) zmin = val;
+            }
+
+            header.DCOffset = zmin;
+            header.Range = (int) ((zmax - zmin) + 1.0f);
+
+            return header;
+        }
+
+        // Scan the height info we're returning and return a patch packet header for this patch.
+        private static TerrainPatch.Header PrescanPatch(TerrainData terrData, int patchX, int patchY)
+        {
+            TerrainPatch.Header header = new TerrainPatch.Header();
+            float zmax = -99999999.0f;
+            float zmin = 99999999.0f;
+
+            for (int j = patchY*Constants.TerrainPatchSize; j < (patchY + 1)*Constants.TerrainPatchSize; j++)
+            {
+                for (int i = patchX*Constants.TerrainPatchSize; i < (patchX + 1)*Constants.TerrainPatchSize; i++)
+                {
+                    float val = terrData[i, j];
+                    if (val > zmax) zmax = val;
+                    if (val < zmin) zmin = val;
+                }
+            }
+
+            header.DCOffset = zmin;
+            header.Range = (int)((zmax - zmin) + 1.0f);
+
+            return header;
+        }
+
+        public static TerrainPatch.Header DecodePatchHeader(BitPack bitpack)
+        {
+            TerrainPatch.Header header = new TerrainPatch.Header {QuantWBits = bitpack.UnpackBits(8)};
+
+            // Quantized word bits
+            if (header.QuantWBits == END_OF_PATCHES)
+                return header;
+
+            // DC offset
+            header.DCOffset = bitpack.UnpackFloat();
+
+            // Range
+            header.Range = bitpack.UnpackBits(16);
+
+            // Patch IDs (10 bits)
+            header.PatchIDs = bitpack.UnpackBits(10);
+
+            // Word bits
+            header.WordBits = (uint) ((header.QuantWBits & 0x0f) + 2);
+
+            return header;
+        }
+
+        private static int EncodePatchHeader(BitPack output, TerrainPatch.Header header, int[] patch, uint pRegionSizeX,
+                                             uint pRegionSizeY, int wbits)
+        {
+            /*
+                    int temp;
+                    int wbits = (header.QuantWBits & 0x0f) + 2;
+                    uint maxWbits = (uint)wbits + 5;
+                    uint minWbits = ((uint)wbits >> 1);
+                    int wbitsMaxValue;
+        */
+            // goal is to determ minimum number of bits to use so all data fits
+            /*
+                    wbits = (int)minWbits;
+                    wbitsMaxValue = (1 << wbits);
+
+                    for (int i = 0; i < patch.Length; i++)
+                    {
+                        temp = patch[i];
+                        if (temp != 0)
+                        {
+                            // Get the absolute value
+                            if (temp < 0) temp *= -1;
+
+         no coments..
+
+                            for (int j = (int)maxWbits; j > (int)minWbits; j--)
+                            {
+                                if ((temp & (1 << j)) != 0)
+                                {
+                                    if (j > wbits) wbits = j;
+                                    break;
+                                }
+                            }
+ 
+                            while (temp > wbitsMaxValue)
+                                {
+                                wbits++;
+                                if (wbits == maxWbits)
+                                    goto Done;
+                                wbitsMaxValue = 1 << wbits;
+                                }
+                        }
+                    }
+
+                Done:
+
+                    //            wbits += 1;
+         */
+            // better check
+            if (wbits > 17)
+                wbits = 16;
+            else if (wbits < 3)
+                wbits = 3;
+
+            header.QuantWBits &= 0xf0;
+
+            header.QuantWBits |= (wbits - 2);
+
+            output.PackBits(header.QuantWBits, 8);
+            output.PackFloat(header.DCOffset);
+            output.PackBits(header.Range, 16);
+            if (pRegionSizeX > Constants.RegionSize || pRegionSizeY > Constants.RegionSize)
+                output.PackBits(header.PatchIDs, 32);
+            else
+                output.PackBits(header.PatchIDs, 10);
+
+            return wbits;
+        }
+
+        private static void IDCTColumn16(float[] linein, float[] lineout, int column)
+        {
+            for (int n = 0; n < Constants.TerrainPatchSize; n++)
+            {
+                float total = OO_SQRT2*linein[column];
+
+                for (int u = 1; u < Constants.TerrainPatchSize; u++)
+                {
+                    int usize = u*Constants.TerrainPatchSize;
+                    total += linein[usize + column]*CosineTable16[usize + n];
+                }
+
+                lineout[Constants.TerrainPatchSize*n + column] = total;
+            }
+        }
+
+        private static void IDCTLine16(float[] linein, float[] lineout, int line)
+        {
+            const float oosob = 2.0f/Constants.TerrainPatchSize;
+            int lineSize = line*Constants.TerrainPatchSize;
+
+            for (int n = 0; n < Constants.TerrainPatchSize; n++)
+            {
+                float total = OO_SQRT2*linein[lineSize];
+
+                for (int u = 1; u < Constants.TerrainPatchSize; u++)
+                {
+                    total += linein[lineSize + u]*CosineTable16[u*Constants.TerrainPatchSize + n];
+                }
+
+                lineout[lineSize + n] = total*oosob;
+            }
+        }
+
+/*
+        private static void DCTLine16(float[] linein, float[] lineout, int line)
+        {
+            float total = 0.0f;
+            int lineSize = line * Constants.TerrainPatchSize;
+
+            for (int n = 0; n < Constants.TerrainPatchSize; n++)
+            {
+                total += linein[lineSize + n];
+            }
+
+            lineout[lineSize] = OO_SQRT2 * total;
+
+            int uptr = 0;
+            for (int u = 1; u < Constants.TerrainPatchSize; u++)
+            {
+                total = 0.0f;
+                uptr += Constants.TerrainPatchSize;
+
+                for (int n = 0; n < Constants.TerrainPatchSize; n++)
+                {
+                    total += linein[lineSize + n] * CosineTable16[uptr + n];
+                }
+
+                lineout[lineSize + u] = total;
+            }
+        }
+*/
+
+        private static void DCTLine16(float[] linein, float[] lineout, int line)
+        {
+            // outputs transpose data (lines exchanged with coluns )
+            // so to save a bit of cpu when doing coluns
+            float total = 0.0f;
+            int lineSize = line*Constants.TerrainPatchSize;
+
+            for (int n = 0; n < Constants.TerrainPatchSize; n++)
+            {
+                total += linein[lineSize + n];
+            }
+
+            lineout[line] = OO_SQRT2*total;
+
+            for (int u = Constants.TerrainPatchSize;
+                 u < Constants.TerrainPatchSize*Constants.TerrainPatchSize;
+                 u += Constants.TerrainPatchSize)
+            {
+                total = 0.0f;
+                for (int ptrn = lineSize, ptru = u; ptrn < lineSize + Constants.TerrainPatchSize; ptrn++,ptru++)
+                {
+                    total += linein[ptrn]*CosineTable16[ptru];
+                }
+
+                lineout[line + u] = total;
+            }
+        }
+
+
+        /*
+                private static void DCTColumn16(float[] linein, int[] lineout, int column)
+                {
+                    float total = 0.0f;
+        //            const float oosob = 2.0f / Constants.TerrainPatchSize;
+
+                    for (int n = 0; n < Constants.TerrainPatchSize; n++)
+                    {
+                        total += linein[Constants.TerrainPatchSize * n + column];
+                    }
+
+        //            lineout[CopyMatrix16[column]] = (int)(OO_SQRT2 * total * oosob * QuantizeTable16[column]);
+                    lineout[CopyMatrix16[column]] = (int)(OO_SQRT2 * total * QuantizeTable16[column]);
+
+                    for (int uptr = Constants.TerrainPatchSize; uptr < Constants.TerrainPatchSize * Constants.TerrainPatchSize; uptr += Constants.TerrainPatchSize)
+                    {
+                        total = 0.0f;
+
+                        for (int n = 0; n < Constants.TerrainPatchSize; n++)
+                        {
+                            total += linein[Constants.TerrainPatchSize * n + column] * CosineTable16[uptr + n];
+                        }
+
+        //                lineout[CopyMatrix16[Constants.TerrainPatchSize * u + column]] = (int)(total * oosob * QuantizeTable16[Constants.TerrainPatchSize * u + column]);
+                        lineout[CopyMatrix16[uptr + column]] = (int)(total * QuantizeTable16[uptr + column]);
+                        }
+                }
+
+        private static void DCTColumn16(float[] linein, int[] lineout, int column)
+        {
+            // input columns are in fact stored in lines now
+
+            float total = 0.0f;
+//            const float oosob = 2.0f / Constants.TerrainPatchSize;
+            int inlinesptr = Constants.TerrainPatchSize*column;
+
+            for (int n = 0; n < Constants.TerrainPatchSize; n++)
+            {
+                total += linein[inlinesptr + n];
+            }
+
+            //            lineout[CopyMatrix16[column]] = (int)(OO_SQRT2 * total * oosob * QuantizeTable16[column]);
+            lineout[CopyMatrix16[column]] = (int) (OO_SQRT2*total*QuantizeTable16[column]);
+
+            for (int uptr = Constants.TerrainPatchSize;
+                 uptr < Constants.TerrainPatchSize*Constants.TerrainPatchSize;
+                 uptr += Constants.TerrainPatchSize)
+            {
+                total = 0.0f;
+
+                for (int n = inlinesptr, ptru = uptr; n < inlinesptr + Constants.TerrainPatchSize; n++, ptru++)
+                {
+                    total += linein[n]*CosineTable16[ptru];
+                }
+
+//                lineout[CopyMatrix16[Constants.TerrainPatchSize * u + column]] = (int)(total * oosob * QuantizeTable16[Constants.TerrainPatchSize * u + column]);
+                lineout[CopyMatrix16[uptr + column]] = (int) (total*QuantizeTable16[uptr + column]);
+            }
+        }
+        */
+
+        private static int DCTColumn16Wbits(float[] linein, int[] lineout, int column, int wbits, int maxwbits)
+        {
+            // input columns are in fact stored in lines now
+
+            bool dowbits = wbits != maxwbits;
+            int wbitsMaxValue = 1 << wbits;
+
+            float total = 0.0f;
+            //            const float oosob = 2.0f / Constants.TerrainPatchSize;
+            int inlinesptr = Constants.TerrainPatchSize*column;
+
+            for (int n = 0; n < Constants.TerrainPatchSize; n++)
+            {
+                total += linein[inlinesptr + n];
+            }
+
+            //            lineout[CopyMatrix16[column]] = (int)(OO_SQRT2 * total * oosob * QuantizeTable16[column]);
+            int tmp = (int) (OO_SQRT2*total*QuantizeTable16[column]);
+            lineout[CopyMatrix16[column]] = tmp;
+
+            if (dowbits)
+            {
+                if (tmp < 0) tmp *= -1;
+                while (tmp > wbitsMaxValue)
+                {
+                    wbits++;
+                    wbitsMaxValue = 1 << wbits;
+                    if (wbits == maxwbits)
+                    {
+                        dowbits = false;
+                        break;
+                    }
+                }
+            }
+
+            for (int uptr = Constants.TerrainPatchSize;
+                 uptr < Constants.TerrainPatchSize*Constants.TerrainPatchSize;
+                 uptr += Constants.TerrainPatchSize)
+            {
+                total = 0.0f;
+
+                for (int n = inlinesptr, ptru = uptr; n < inlinesptr + Constants.TerrainPatchSize; n++, ptru++)
+                {
+                    total += linein[n]*CosineTable16[ptru];
+                }
+
+                tmp = (int) (total*QuantizeTable16[uptr + column]);
+                lineout[CopyMatrix16[uptr + column]] = tmp;
+
+                if (dowbits)
+                {
+                    if (tmp < 0) tmp *= -1;
+                    while (tmp > wbitsMaxValue)
+                    {
+                        wbits++;
+                        wbitsMaxValue = 1 << wbits;
+                        if (wbits == maxwbits)
+                        {
+                            dowbits = false;
+                            break;
+                        }
+                    }
+                }
+            }
+            return wbits;
+        }
+
+        public static void DecodePatch(int[] patches, BitPack bitpack, TerrainPatch.Header header, int size)
+        {
+            for (int n = 0; n < size*size; n++)
+            {
+                // ?
+                int temp = bitpack.UnpackBits(1);
+                if (temp != 0)
+                {
+                    // Value or EOB
+                    temp = bitpack.UnpackBits(1);
+                    if (temp != 0)
+                    {
+                        // Value
+                        temp = bitpack.UnpackBits(1);
+                        if (temp != 0)
+                        {
+                            // Negative
+                            temp = bitpack.UnpackBits((int) header.WordBits);
+                            patches[n] = temp*-1;
+                        }
+                        else
+                        {
+                            // Positive
+                            temp = bitpack.UnpackBits((int) header.WordBits);
+                            patches[n] = temp;
+                        }
+                    }
+                    else
+                    {
+                        // Set the rest to zero
+                        // TODO: This might not be necessary
+                        for (int o = n; o < size*size; o++)
+                        {
+                            patches[o] = 0;
+                        }
+                        break;
+                    }
+                }
+                else
+                {
+                    patches[n] = 0;
+                }
+            }
+        }
+
+        private static void EncodePatch(BitPack output, int[] patch, int postquant, int wbits)
+        {
+            int maxwbitssize = (1 << wbits) - 1;
+
+            if (postquant > Constants.TerrainPatchSize*Constants.TerrainPatchSize || postquant < 0)
+            {
+                Logger.Log("Postquant is outside the range of allowed values in EncodePatch()", Helpers.LogLevel.Error);
+                return;
+            }
+
+            if (postquant != 0) patch[Constants.TerrainPatchSize*Constants.TerrainPatchSize - postquant] = 0;
+
+            for (int i = 0; i < Constants.TerrainPatchSize*Constants.TerrainPatchSize; i++)
+            {
+                int temp = patch[i];
+
+                if (temp == 0)
+                {
+                    bool eob = true;
+
+                    for (int j = i; j < Constants.TerrainPatchSize*Constants.TerrainPatchSize - postquant; j++)
+                    {
+                        if (patch[j] != 0)
+                        {
+                            eob = false;
+                            break;
+                        }
+                    }
+
+                    if (eob)
+                    {
+                        output.PackBits(ZERO_EOB, 2);
+                        return;
+                    }
+                    output.PackBits(ZERO_CODE, 1);
+                }
+                else
+                {
+                    if (temp < 0)
+                    {
+                        temp *= -1;
+
+                        if (temp > maxwbitssize) temp = maxwbitssize;
+
+                        output.PackBits(NEGATIVE_VALUE, 3);
+                        output.PackBits(temp, wbits);
+                    }
+                    else
+                    {
+                        if (temp > maxwbitssize) temp = maxwbitssize;
+
+                        output.PackBits(POSITIVE_VALUE, 3);
+                        output.PackBits(temp, wbits);
+                    }
+                }
+            }
+        }
+
+        public static float[] DecompressPatch(int[] patches, TerrainPatch.Header header, TerrainPatch.GroupHeader group)
+        {
+            float[] block = new float[group.PatchSize*group.PatchSize];
+            float[] output = new float[group.PatchSize*group.PatchSize];
+            int prequant = (header.QuantWBits >> 4) + 2;
+            int quantize = 1 << prequant;
+            float ooq = 1.0f/quantize;
+            float mult = ooq*header.Range;
+            float addval = mult*(1 << (prequant - 1)) + header.DCOffset;
+
+            if (group.PatchSize == Constants.TerrainPatchSize)
+            {
+                for (int n = 0; n < Constants.TerrainPatchSize*Constants.TerrainPatchSize; n++)
+                {
+                    block[n] = patches[CopyMatrix16[n]]*DequantizeTable16[n];
+                }
+
+                float[] ftemp = new float[Constants.TerrainPatchSize*Constants.TerrainPatchSize];
+
+                for (int o = 0; o < Constants.TerrainPatchSize; o++)
+                    IDCTColumn16(block, ftemp, o);
+                for (int o = 0; o < Constants.TerrainPatchSize; o++)
+                    IDCTLine16(ftemp, block, o);
+            }
+            else
+            {
+                for (int n = 0; n < Constants.TerrainPatchSize*2*Constants.TerrainPatchSize*2; n++)
+                {
+                    block[n] = patches[CopyMatrix32[n]]*DequantizeTable32[n];
+                }
+
+                Logger.Log("Implement IDCTPatchLarge", Helpers.LogLevel.Error);
+            }
+
+            for (int j = 0; j < block.Length; j++)
+            {
+                output[j] = block[j]*mult + addval;
+            }
+
+            return output;
+        }
+
+        private static int[] CompressPatch(float[] patchData, TerrainPatch.Header header, int prequant, out int wbits)
+        {
+            float[] block = new float[Constants.TerrainPatchSize*Constants.TerrainPatchSize];
+            int wordsize = (prequant - 2) & 0x0f;
+            float oozrange = 1.0f/header.Range;
+            float range = (1 << prequant);
+            float premult = oozrange*range;
+            float sub = (1 << (prequant - 1)) + header.DCOffset*premult;
+
+            header.QuantWBits = wordsize;
+            header.QuantWBits |= wordsize << 4;
+
+            int k = 0;
+            for (int j = 0; j < Constants.TerrainPatchSize; j++)
+            {
+                for (int i = 0; i < Constants.TerrainPatchSize; i++)
+                    block[k++] = patchData[j*Constants.TerrainPatchSize + i]*premult - sub;
+            }
+
+            float[] ftemp = new float[Constants.TerrainPatchSize*Constants.TerrainPatchSize];
+            int[] itemp = new int[Constants.TerrainPatchSize*Constants.TerrainPatchSize];
+
+
+            int maxWbits = prequant + 5;
+            wbits = (prequant >> 1);
+
+            for (int o = 0; o < Constants.TerrainPatchSize; o++)
+                DCTLine16(block, ftemp, o);
+            for (int o = 0; o < Constants.TerrainPatchSize; o++)
+                wbits = DCTColumn16Wbits(ftemp, itemp, o, wbits, maxWbits);
+
+            return itemp;
+        }
+
+        private static int[] CompressPatch(float[,] patchData, TerrainPatch.Header header, int prequant, out int wbits)
+        {
+            float[] block = new float[Constants.TerrainPatchSize*Constants.TerrainPatchSize];
+            float oozrange = 1.0f/header.Range;
+            float range = (1 << prequant);
+            float premult = oozrange*range;
+            float sub = (1 << (prequant - 1)) + header.DCOffset*premult;
+            int wordsize = (prequant - 2) & 0x0f;
+
+            header.QuantWBits = wordsize;
+            header.QuantWBits |= wordsize << 4;
+
+            int k = 0;
+            for (int j = 0; j < Constants.TerrainPatchSize; j++)
+            {
+                for (int i = 0; i < Constants.TerrainPatchSize; i++)
+                    block[k++] = patchData[j, i]*premult - sub;
+            }
+
+            float[] ftemp = new float[Constants.TerrainPatchSize*Constants.TerrainPatchSize];
+            int[] itemp = new int[Constants.TerrainPatchSize*Constants.TerrainPatchSize];
+
+            int maxWbits = prequant + 5;
+            wbits = (prequant >> 1);
+
+            for (int o = 0; o < Constants.TerrainPatchSize; o++)
+                DCTLine16(block, ftemp, o);
+            for (int o = 0; o < Constants.TerrainPatchSize; o++)
+                wbits = DCTColumn16Wbits(ftemp, itemp, o, wbits, maxWbits);
+
+            return itemp;
+        }
+
+        private static int[] CompressPatch(TerrainData terrData, int patchX, int patchY, TerrainPatch.Header header,
+                                                               int prequant, out int wbits)
+        {
+            float[] block = new float[Constants.TerrainPatchSize*Constants.TerrainPatchSize];
+            int wordsize = prequant;
+            float oozrange = 1.0f/header.Range;
+            float range = (1 << prequant);
+            float premult = oozrange*range;
+            float sub = (1 << (prequant - 1)) + header.DCOffset*premult;
+
+            header.QuantWBits = wordsize - 2;
+            header.QuantWBits |= (prequant - 2) << 4;
+
+            int k = 0;
+
+            int yPatchLimit = patchY >= (terrData.SizeY / Constants.TerrainPatchSize) ?
+                            (terrData.SizeY - Constants.TerrainPatchSize) / Constants.TerrainPatchSize : patchY;
+            yPatchLimit = (yPatchLimit + 1) * Constants.TerrainPatchSize;
+
+            int xPatchLimit = patchX >= (terrData.SizeX / Constants.TerrainPatchSize) ?
+                            (terrData.SizeX - Constants.TerrainPatchSize) / Constants.TerrainPatchSize : patchX;
+            xPatchLimit = (xPatchLimit + 1) * Constants.TerrainPatchSize;
+
+            for (int yy = patchY * Constants.TerrainPatchSize; yy < yPatchLimit; yy++)
+            {
+                for (int xx = patchX * Constants.TerrainPatchSize; xx < xPatchLimit; xx++)
+                {
+                    block[k++] = terrData[xx, yy] * premult - sub;
+                }
+            }
+
+            float[] ftemp = new float[Constants.TerrainPatchSize*Constants.TerrainPatchSize];
+            int[] itemp = new int[Constants.TerrainPatchSize*Constants.TerrainPatchSize];
+
+            int maxWbits = prequant + 5;
+            wbits = (prequant >> 1);
+
+            for (int o = 0; o < Constants.TerrainPatchSize; o++)
+                DCTLine16(block, ftemp, o);
+            for (int o = 0; o < Constants.TerrainPatchSize; o++)
+                wbits = DCTColumn16Wbits(ftemp, itemp, o, wbits, maxWbits);
+
+            return itemp;
+        }
+
+        #region Initialization
+
+        private static void BuildDequantizeTable16()
+        {
+            for (int j = 0; j < Constants.TerrainPatchSize; j++)
+            {
+                for (int i = 0; i < Constants.TerrainPatchSize; i++)
+                {
+                    DequantizeTable16[j*Constants.TerrainPatchSize + i] = 1.0f + 2.0f*(i + j);
+                }
+            }
+        }
+
+        private static void BuildQuantizeTable16()
+        {
+            const float oosob = 2.0f/Constants.TerrainPatchSize;
+            for (int j = 0; j < Constants.TerrainPatchSize; j++)
+            {
+                for (int i = 0; i < Constants.TerrainPatchSize; i++)
+                {
+//                    QuantizeTable16[j * Constants.TerrainPatchSize + i] = 1.0f / (1.0f + 2.0f * ((float)i + (float)j));
+                    QuantizeTable16[j*Constants.TerrainPatchSize + i] = oosob/(1.0f + 2.0f*(i + (float) j));
+                }
+            }
+        }
+
+        private static void SetupCosines16()
+        {
+            const float hposz = (float) Math.PI*0.5f/Constants.TerrainPatchSize;
+
+            for (int u = 0; u < Constants.TerrainPatchSize; u++)
+            {
+                for (int n = 0; n < Constants.TerrainPatchSize; n++)
+                {
+                    CosineTable16[u*Constants.TerrainPatchSize + n] = (float) Math.Cos((2.0f*n + 1.0f)*u*hposz);
+                }
+            }
+        }
+
+        private static void BuildCopyMatrix16()
+        {
+            bool diag = false;
+            bool right = true;
+            int i = 0;
+            int j = 0;
+            int count = 0;
+
+            while (i < Constants.TerrainPatchSize && j < Constants.TerrainPatchSize)
+            {
+                CopyMatrix16[j*Constants.TerrainPatchSize + i] = count++;
+
+                if (!diag)
+                {
+                    if (right)
+                    {
+                        if (i < Constants.TerrainPatchSize - 1) i++;
+                        else j++;
+
+                        right = false;
+                        diag = true;
+                    }
+                    else
+                    {
+                        if (j < Constants.TerrainPatchSize - 1) j++;
+                        else i++;
+
+                        right = true;
+                        diag = true;
+                    }
+                }
+                else
+                {
+                    if (right)
+                    {
+                        i++;
+                        j--;
+                        if (i == Constants.TerrainPatchSize - 1 || j == 0) diag = false;
+                    }
+                    else
+                    {
+                        i--;
+                        j++;
+                        if (j == Constants.TerrainPatchSize - 1 || i == 0) diag = false;
+                    }
+                }
+            }
+        }
+
+        #endregion Initialization
+    }
+}
diff --git a/OpenSim/Region/Framework/Scenes/Tests/EntityManagerTests.cs b/OpenSim/Region/Framework/Scenes/Tests/EntityManagerTests.cs
index 766ce83..da18941 100644
--- a/OpenSim/Region/Framework/Scenes/Tests/EntityManagerTests.cs
+++ b/OpenSim/Region/Framework/Scenes/Tests/EntityManagerTests.cs
@@ -34,7 +34,6 @@ using Nini.Config;
 using NUnit.Framework;
 using OpenMetaverse;
 using OpenSim.Framework;
-using OpenSim.Framework.Communications;
 using OpenSim.Region.Framework.Scenes;
 using OpenSim.Tests.Common;
 
diff --git a/OpenSim/Region/Framework/Scenes/Tests/SceneGraphTests.cs b/OpenSim/Region/Framework/Scenes/Tests/SceneGraphTests.cs
index 575a081..ee7c8a9 100644
--- a/OpenSim/Region/Framework/Scenes/Tests/SceneGraphTests.cs
+++ b/OpenSim/Region/Framework/Scenes/Tests/SceneGraphTests.cs
@@ -32,10 +32,8 @@ using System.Text;
 using NUnit.Framework;
 using OpenMetaverse;
 using OpenSim.Framework;
-using OpenSim.Framework.Communications;
 using OpenSim.Region.Framework.Scenes;
 using OpenSim.Tests.Common;
-using OpenSim.Tests.Common.Mock;
 
 namespace OpenSim.Region.Framework.Scenes.Tests
 {
diff --git a/OpenSim/Region/Framework/Scenes/Tests/SceneManagerTests.cs b/OpenSim/Region/Framework/Scenes/Tests/SceneManagerTests.cs
index 2d831fa..3172227 100644
--- a/OpenSim/Region/Framework/Scenes/Tests/SceneManagerTests.cs
+++ b/OpenSim/Region/Framework/Scenes/Tests/SceneManagerTests.cs
@@ -32,11 +32,9 @@ using System.Threading;
 using NUnit.Framework;
 using OpenMetaverse;
 using OpenSim.Framework;
-using OpenSim.Framework.Communications;
 using OpenSim.Region.Framework.Scenes;
 using OpenSim.Services.Interfaces;
 using OpenSim.Tests.Common;
-using OpenSim.Tests.Common.Mock;
 
 namespace OpenSim.Region.Framework.Scenes.Tests
 {
diff --git a/OpenSim/Region/Framework/Scenes/Tests/SceneObjectBasicTests.cs b/OpenSim/Region/Framework/Scenes/Tests/SceneObjectBasicTests.cs
index a07d64c..098f1b4 100644
--- a/OpenSim/Region/Framework/Scenes/Tests/SceneObjectBasicTests.cs
+++ b/OpenSim/Region/Framework/Scenes/Tests/SceneObjectBasicTests.cs
@@ -33,11 +33,9 @@ using Nini.Config;
 using NUnit.Framework;
 using OpenMetaverse;
 using OpenSim.Framework;
-using OpenSim.Framework.Communications;
 using OpenSim.Region.Framework.Scenes;
 using OpenSim.Services.Interfaces;
 using OpenSim.Tests.Common;
-using OpenSim.Tests.Common.Mock;
 
 namespace OpenSim.Region.Framework.Scenes.Tests
 {
diff --git a/OpenSim/Region/Framework/Scenes/Tests/SceneObjectCopyTests.cs b/OpenSim/Region/Framework/Scenes/Tests/SceneObjectCopyTests.cs
new file mode 100644
index 0000000..0b196c1
--- /dev/null
+++ b/OpenSim/Region/Framework/Scenes/Tests/SceneObjectCopyTests.cs
@@ -0,0 +1,346 @@
+/*
+ * Copyright (c) Contributors, http://opensimulator.org/
+ * See CONTRIBUTORS.TXT for a full list of copyright holders.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * Neither the name of the OpenSimulator Project nor the
+ *       names of its contributors may be used to endorse or promote products
+ *       derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+using System;
+using System.Collections.Generic;
+using System.Reflection;
+using Nini.Config;
+using NUnit.Framework;
+using OpenMetaverse;
+using OpenSim.Framework;
+using OpenSim.Region.CoreModules.Framework.EntityTransfer;
+using OpenSim.Region.CoreModules.Framework.InventoryAccess;
+using OpenSim.Region.CoreModules.ServiceConnectorsOut.Simulation;
+using OpenSim.Region.CoreModules.World.Permissions;
+using OpenSim.Region.Framework.Scenes;
+using OpenSim.Services.Interfaces;
+using OpenSim.Tests.Common;
+
+namespace OpenSim.Region.Framework.Scenes.Tests
+{
+    /// <summary>
+    /// Test copying of scene objects.
+    /// </summary>
+    /// <remarks>
+    /// This is at a level above the SceneObjectBasicTests, which act on the scene directly.
+    /// </remarks>
+    [TestFixture]
+    public class SceneObjectCopyTests : OpenSimTestCase
+    {
+        [TestFixtureSetUp]
+        public void FixtureInit()
+        {
+            // Don't allow tests to be bamboozled by asynchronous events.  Execute everything on the same thread.
+            // This facility was added after the original async delete tests were written, so it may be possible now
+            // to not bother explicitly disabling their async (since everything will be running sync).
+            Util.FireAndForgetMethod = FireAndForgetMethod.RegressionTest;
+        }
+
+        [TestFixtureTearDown]
+        public void TearDown()
+        {
+            // We must set this back afterwards, otherwise later tests will fail since they're expecting multiple
+            // threads.  Possibly, later tests should be rewritten so none of them require async stuff (which regression
+            // tests really shouldn't).
+            Util.FireAndForgetMethod = Util.DefaultFireAndForgetMethod;
+        }
+
+        [Test]
+        public void TestTakeCopyWhenCopierIsOwnerWithPerms()
+        {
+            TestHelpers.InMethod();
+//            TestHelpers.EnableLogging();
+
+            IConfigSource config = new IniConfigSource();
+            config.AddConfig("Modules");
+            config.Configs["Modules"].Set("InventoryAccessModule", "BasicInventoryAccessModule");
+
+            TestScene scene = new SceneHelpers().SetupScene("s1", TestHelpers.ParseTail(0x99), 1000, 1000, config);
+            SceneHelpers.SetupSceneModules(scene, config, new PermissionsModule(), new BasicInventoryAccessModule());
+            UserAccount ua = UserAccountHelpers.CreateUserWithInventory(scene, TestHelpers.ParseTail(0x1));
+            TestClient client = (TestClient)SceneHelpers.AddScenePresence(scene, ua.PrincipalID).ControllingClient;
+
+            // Turn off the timer on the async sog deleter - we'll crank it by hand for this test.
+            AsyncSceneObjectGroupDeleter sogd = scene.SceneObjectGroupDeleter;
+            sogd.Enabled = false;            
+
+            SceneObjectGroup so = SceneHelpers.AddSceneObject(scene, "so1", ua.PrincipalID);
+            uint soLocalId = so.LocalId;
+//            so.UpdatePermissions(
+//                ua.PrincipalID, (byte)PermissionWho.Owner, so.LocalId, (uint)OpenMetaverse.PermissionMask.Copy, 1);
+//            so.UpdatePermissions(
+//                ua.PrincipalID, (byte)PermissionWho.Owner, so.LocalId, (uint)OpenMetaverse.PermissionMask.Transfer, 0);
+//            so.UpdatePermissions(
+//                ua.PrincipalID, (byte)PermissionWho.Base, so.LocalId, (uint)OpenMetaverse.PermissionMask.Transfer, 0);
+//            scene.HandleObjectPermissionsUpdate(client, client.AgentId, client.SessionId, (byte)PermissionWho.Owner, so.LocalId, (uint)OpenMetaverse.PermissionMask.Transfer, 0);
+
+            // Ideally we might change these via client-focussed method calls as commented out above.  However, this
+            // becomes very convoluted so we will set only the copy perm directly.
+            so.RootPart.BaseMask = (uint)OpenMetaverse.PermissionMask.Copy;
+//            so.RootPart.OwnerMask = (uint)OpenMetaverse.PermissionMask.Copy;
+
+            List<uint> localIds = new List<uint>();
+            localIds.Add(so.LocalId);
+
+            // Specifying a UUID.Zero in this case will currently plop it in Lost and Found
+            scene.DeRezObjects(client, localIds, UUID.Zero, DeRezAction.TakeCopy, UUID.Zero);
+
+            // Check that object isn't copied until we crank the sogd handle.
+            SceneObjectPart retrievedPart = scene.GetSceneObjectPart(so.LocalId);
+            Assert.That(retrievedPart, Is.Not.Null);
+            Assert.That(retrievedPart.ParentGroup.IsDeleted, Is.False);
+
+            sogd.InventoryDeQueueAndDelete();
+
+            // Check that object is still there.
+            SceneObjectPart retrievedPart2 = scene.GetSceneObjectPart(so.LocalId);
+            Assert.That(retrievedPart2, Is.Not.Null);              
+            Assert.That(client.ReceivedKills.Count, Is.EqualTo(0));
+
+            // Check that we have a copy in inventory
+            InventoryItemBase item 
+                = UserInventoryHelpers.GetInventoryItem(scene.InventoryService, ua.PrincipalID, "Lost And Found/so1");
+            Assert.That(item, Is.Not.Null);
+        }
+
+        [Test]
+        public void TestTakeCopyWhenCopierIsOwnerWithoutPerms()
+        {
+            TestHelpers.InMethod();
+//            TestHelpers.EnableLogging();
+
+            IConfigSource config = new IniConfigSource();
+            config.AddConfig("Modules");
+            config.Configs["Modules"].Set("InventoryAccessModule", "BasicInventoryAccessModule");
+
+            TestScene scene = new SceneHelpers().SetupScene("s1", TestHelpers.ParseTail(0x99), 1000, 1000, config);
+            SceneHelpers.SetupSceneModules(scene, config, new PermissionsModule(), new BasicInventoryAccessModule());
+            UserAccount ua = UserAccountHelpers.CreateUserWithInventory(scene, TestHelpers.ParseTail(0x1));
+            TestClient client = (TestClient)SceneHelpers.AddScenePresence(scene, ua.PrincipalID).ControllingClient;
+
+            // Turn off the timer on the async sog deleter - we'll crank it by hand for this test.
+            AsyncSceneObjectGroupDeleter sogd = scene.SceneObjectGroupDeleter;
+            sogd.Enabled = false;            
+
+            SceneObjectGroup so = SceneHelpers.AddSceneObject(scene, "so1", ua.PrincipalID);
+            uint soLocalId = so.LocalId;
+
+            so.RootPart.BaseMask = (uint)(OpenMetaverse.PermissionMask.All & ~OpenMetaverse.PermissionMask.Copy);
+            //so.RootPart.OwnerMask = (uint)(OpenMetaverse.PermissionMask.Copy & ~OpenMetaverse.PermissionMask.Copy);
+
+            List<uint> localIds = new List<uint>();
+            localIds.Add(so.LocalId);
+
+            // Specifying a UUID.Zero in this case will currently plop it in Lost and Found
+            scene.DeRezObjects(client, localIds, UUID.Zero, DeRezAction.TakeCopy, UUID.Zero);
+
+            // Check that object isn't copied until we crank the sogd handle.
+            SceneObjectPart retrievedPart = scene.GetSceneObjectPart(so.LocalId);
+            Assert.That(retrievedPart, Is.Not.Null);
+            Assert.That(retrievedPart.ParentGroup.IsDeleted, Is.False);
+
+            sogd.InventoryDeQueueAndDelete();
+
+            // Check that object is still there.
+            SceneObjectPart retrievedPart2 = scene.GetSceneObjectPart(so.LocalId);
+            Assert.That(retrievedPart2, Is.Not.Null);              
+            Assert.That(client.ReceivedKills.Count, Is.EqualTo(0));
+
+            // Check that we do not have a copy in inventory
+            InventoryItemBase item 
+                = UserInventoryHelpers.GetInventoryItem(scene.InventoryService, ua.PrincipalID, "Lost And Found/so1");
+            Assert.That(item, Is.Null);
+        }
+
+        [Test]
+        public void TestTakeCopyWhenCopierIsNotOwnerWithPerms()
+        {
+            TestHelpers.InMethod();
+//            TestHelpers.EnableLogging();
+
+            IConfigSource config = new IniConfigSource();
+            config.AddConfig("Modules");
+            config.Configs["Modules"].Set("InventoryAccessModule", "BasicInventoryAccessModule");
+
+            TestScene scene = new SceneHelpers().SetupScene("s1", TestHelpers.ParseTail(0x99), 1000, 1000, config);
+            SceneHelpers.SetupSceneModules(scene, config, new PermissionsModule(), new BasicInventoryAccessModule());
+            UserAccount ua = UserAccountHelpers.CreateUserWithInventory(scene, TestHelpers.ParseTail(0x1));
+            TestClient client = (TestClient)SceneHelpers.AddScenePresence(scene, ua.PrincipalID).ControllingClient;
+
+            // Turn off the timer on the async sog deleter - we'll crank it by hand for this test.
+            AsyncSceneObjectGroupDeleter sogd = scene.SceneObjectGroupDeleter;
+            sogd.Enabled = false;            
+
+            SceneObjectGroup so = SceneHelpers.AddSceneObject(scene, "so1", TestHelpers.ParseTail(0x2));
+            uint soLocalId = so.LocalId;
+
+            // Base must allow transfer and copy
+            so.RootPart.BaseMask = (uint)(OpenMetaverse.PermissionMask.Copy | OpenMetaverse.PermissionMask.Transfer);
+            // Must be set so anyone can copy
+            so.RootPart.EveryoneMask = (uint)OpenMetaverse.PermissionMask.Copy;
+
+            List<uint> localIds = new List<uint>();
+            localIds.Add(so.LocalId);
+
+            // Specifying a UUID.Zero in this case will plop it in the Objects folder
+            scene.DeRezObjects(client, localIds, UUID.Zero, DeRezAction.TakeCopy, UUID.Zero);
+
+            // Check that object isn't copied until we crank the sogd handle.
+            SceneObjectPart retrievedPart = scene.GetSceneObjectPart(so.LocalId);
+            Assert.That(retrievedPart, Is.Not.Null);
+            Assert.That(retrievedPart.ParentGroup.IsDeleted, Is.False);
+
+            sogd.InventoryDeQueueAndDelete();
+
+            // Check that object is still there.
+            SceneObjectPart retrievedPart2 = scene.GetSceneObjectPart(so.LocalId);
+            Assert.That(retrievedPart2, Is.Not.Null);              
+            Assert.That(client.ReceivedKills.Count, Is.EqualTo(0));
+
+            // Check that we have a copy in inventory
+            InventoryItemBase item 
+                = UserInventoryHelpers.GetInventoryItem(scene.InventoryService, ua.PrincipalID, "Objects/so1");
+            Assert.That(item, Is.Not.Null);
+        }
+
+        [Test]
+        public void TestTakeCopyWhenCopierIsNotOwnerWithoutPerms()
+        {
+            TestHelpers.InMethod();
+//            TestHelpers.EnableLogging();
+
+            IConfigSource config = new IniConfigSource();
+            config.AddConfig("Modules");
+            config.Configs["Modules"].Set("InventoryAccessModule", "BasicInventoryAccessModule");
+
+            TestScene scene = new SceneHelpers().SetupScene("s1", TestHelpers.ParseTail(0x99), 1000, 1000, config);
+            SceneHelpers.SetupSceneModules(scene, config, new PermissionsModule(), new BasicInventoryAccessModule());
+            UserAccount ua = UserAccountHelpers.CreateUserWithInventory(scene, TestHelpers.ParseTail(0x1));
+            TestClient client = (TestClient)SceneHelpers.AddScenePresence(scene, ua.PrincipalID).ControllingClient;
+
+            // Turn off the timer on the async sog deleter - we'll crank it by hand for this test.
+            AsyncSceneObjectGroupDeleter sogd = scene.SceneObjectGroupDeleter;
+            sogd.Enabled = false;            
+
+            SceneObjectGroup so = SceneHelpers.AddSceneObject(scene, "so1", TestHelpers.ParseTail(0x2));
+            uint soLocalId = so.LocalId;
+
+            {
+                // Check that object is not copied if copy base perms is missing.
+                // Should not allow copy if base does not have this.
+                so.RootPart.BaseMask = (uint)OpenMetaverse.PermissionMask.Transfer;
+                // Must be set so anyone can copy
+                so.RootPart.EveryoneMask = (uint)OpenMetaverse.PermissionMask.Copy;
+
+                // Check that object is not copied
+                List<uint> localIds = new List<uint>();
+                localIds.Add(so.LocalId);
+
+                // Specifying a UUID.Zero in this case will plop it in the Objects folder if we have perms
+                scene.DeRezObjects(client, localIds, UUID.Zero, DeRezAction.TakeCopy, UUID.Zero);
+
+                // Check that object isn't copied until we crank the sogd handle.
+                SceneObjectPart retrievedPart = scene.GetSceneObjectPart(so.LocalId);
+                Assert.That(retrievedPart, Is.Not.Null);
+                Assert.That(retrievedPart.ParentGroup.IsDeleted, Is.False);
+
+                sogd.InventoryDeQueueAndDelete();
+                // Check that object is still there.
+                SceneObjectPart retrievedPart2 = scene.GetSceneObjectPart(so.LocalId);
+                Assert.That(retrievedPart2, Is.Not.Null);              
+                Assert.That(client.ReceivedKills.Count, Is.EqualTo(0));
+
+                // Check that we have a copy in inventory
+                InventoryItemBase item 
+                    = UserInventoryHelpers.GetInventoryItem(scene.InventoryService, ua.PrincipalID, "Objects/so1");
+                Assert.That(item, Is.Null);
+            }
+
+            {
+                // Check that object is not copied if copy trans perms is missing.
+                // Should not allow copy if base does not have this.
+                so.RootPart.BaseMask = (uint)OpenMetaverse.PermissionMask.Copy;
+                // Must be set so anyone can copy
+                so.RootPart.EveryoneMask = (uint)OpenMetaverse.PermissionMask.Copy;
+
+                // Check that object is not copied
+                List<uint> localIds = new List<uint>();
+                localIds.Add(so.LocalId);
+
+                // Specifying a UUID.Zero in this case will plop it in the Objects folder if we have perms
+                scene.DeRezObjects(client, localIds, UUID.Zero, DeRezAction.TakeCopy, UUID.Zero);
+
+                // Check that object isn't copied until we crank the sogd handle.
+                SceneObjectPart retrievedPart = scene.GetSceneObjectPart(so.LocalId);
+                Assert.That(retrievedPart, Is.Not.Null);
+                Assert.That(retrievedPart.ParentGroup.IsDeleted, Is.False);
+
+                sogd.InventoryDeQueueAndDelete();
+                // Check that object is still there.
+                SceneObjectPart retrievedPart2 = scene.GetSceneObjectPart(so.LocalId);
+                Assert.That(retrievedPart2, Is.Not.Null);              
+                Assert.That(client.ReceivedKills.Count, Is.EqualTo(0));
+
+                // Check that we have a copy in inventory
+                InventoryItemBase item 
+                    = UserInventoryHelpers.GetInventoryItem(scene.InventoryService, ua.PrincipalID, "Objects/so1");
+                Assert.That(item, Is.Null);
+            }
+
+            {
+                // Check that object is not copied if everyone copy perms is missing.
+                // Should not allow copy if base does not have this.
+                so.RootPart.BaseMask = (uint)(OpenMetaverse.PermissionMask.Copy | OpenMetaverse.PermissionMask.Transfer);
+                // Make sure everyone perm does not allow copy
+                so.RootPart.EveryoneMask = (uint)(OpenMetaverse.PermissionMask.All & ~OpenMetaverse.PermissionMask.Copy);
+
+                // Check that object is not copied
+                List<uint> localIds = new List<uint>();
+                localIds.Add(so.LocalId);
+
+                // Specifying a UUID.Zero in this case will plop it in the Objects folder if we have perms
+                scene.DeRezObjects(client, localIds, UUID.Zero, DeRezAction.TakeCopy, UUID.Zero);
+
+                // Check that object isn't copied until we crank the sogd handle.
+                SceneObjectPart retrievedPart = scene.GetSceneObjectPart(so.LocalId);
+                Assert.That(retrievedPart, Is.Not.Null);
+                Assert.That(retrievedPart.ParentGroup.IsDeleted, Is.False);
+
+                sogd.InventoryDeQueueAndDelete();
+                // Check that object is still there.
+                SceneObjectPart retrievedPart2 = scene.GetSceneObjectPart(so.LocalId);
+                Assert.That(retrievedPart2, Is.Not.Null);              
+                Assert.That(client.ReceivedKills.Count, Is.EqualTo(0));
+
+                // Check that we have a copy in inventory
+                InventoryItemBase item 
+                    = UserInventoryHelpers.GetInventoryItem(scene.InventoryService, ua.PrincipalID, "Objects/so1");
+                Assert.That(item, Is.Null);
+            }
+        }
+    }
+}
\ No newline at end of file
diff --git a/OpenSim/Region/Framework/Scenes/Tests/SceneObjectCrossingTests.cs b/OpenSim/Region/Framework/Scenes/Tests/SceneObjectCrossingTests.cs
new file mode 100644
index 0000000..5635c20
--- /dev/null
+++ b/OpenSim/Region/Framework/Scenes/Tests/SceneObjectCrossingTests.cs
@@ -0,0 +1,259 @@
+/*
+ * Copyright (c) Contributors, http://opensimulator.org/
+ * See CONTRIBUTORS.TXT for a full list of copyright holders.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * Neither the name of the OpenSimulator Project nor the
+ *       names of its contributors may be used to endorse or promote products
+ *       derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+using System;
+using System.Collections.Generic;
+using Nini.Config;
+using NUnit.Framework;
+using OpenMetaverse;
+using OpenSim.Framework;
+using OpenSim.Region.CoreModules.Framework;
+using OpenSim.Region.CoreModules.Framework.EntityTransfer;
+using OpenSim.Region.CoreModules.ServiceConnectorsOut.Simulation;
+using OpenSim.Region.CoreModules.World.Land;
+using OpenSim.Region.OptionalModules;
+using OpenSim.Tests.Common;
+
+namespace OpenSim.Region.Framework.Scenes.Tests
+{
+    public class SceneObjectCrossingTests : OpenSimTestCase
+    {
+        [TestFixtureSetUp]
+        public void FixtureInit()
+        {
+            // Don't allow tests to be bamboozled by asynchronous events.  Execute everything on the same thread.
+            Util.FireAndForgetMethod = FireAndForgetMethod.RegressionTest;
+        }
+
+        [TestFixtureTearDown]
+        public void TearDown()
+        {
+            // We must set this back afterwards, otherwise later tests will fail since they're expecting multiple
+            // threads.  Possibly, later tests should be rewritten so none of them require async stuff (which regression
+            // tests really shouldn't).
+            Util.FireAndForgetMethod = Util.DefaultFireAndForgetMethod;
+        }
+
+        /// <summary>
+        /// Test cross with no prim limit module.
+        /// </summary>
+        [Test]
+        public void TestCrossOnSameSimulator()
+        {
+            TestHelpers.InMethod();
+//            TestHelpers.EnableLogging();
+
+            UUID userId = TestHelpers.ParseTail(0x1);
+            int sceneObjectIdTail = 0x2;
+
+            EntityTransferModule etmA = new EntityTransferModule();
+            EntityTransferModule etmB = new EntityTransferModule();
+            LocalSimulationConnectorModule lscm = new LocalSimulationConnectorModule();
+
+            IConfigSource config = new IniConfigSource();
+            IConfig modulesConfig = config.AddConfig("Modules");
+            modulesConfig.Set("EntityTransferModule", etmA.Name);
+            modulesConfig.Set("SimulationServices", lscm.Name);
+
+            SceneHelpers sh = new SceneHelpers();
+            TestScene sceneA = sh.SetupScene("sceneA", TestHelpers.ParseTail(0x100), 1000, 1000);
+            TestScene sceneB = sh.SetupScene("sceneB", TestHelpers.ParseTail(0x200), 1000, 999);
+
+            SceneHelpers.SetupSceneModules(new Scene[] { sceneA, sceneB }, config, lscm);
+            SceneHelpers.SetupSceneModules(sceneA, config, etmA);
+            SceneHelpers.SetupSceneModules(sceneB, config, etmB);
+
+            SceneObjectGroup so1 = SceneHelpers.AddSceneObject(sceneA, 1, userId, "", sceneObjectIdTail);
+            UUID so1Id = so1.UUID;
+            so1.AbsolutePosition = new Vector3(128, 10, 20);
+
+            // Cross with a negative value
+            so1.AbsolutePosition = new Vector3(128, -10, 20);
+
+            Assert.IsNull(sceneA.GetSceneObjectGroup(so1Id));
+            Assert.NotNull(sceneB.GetSceneObjectGroup(so1Id));
+        }
+
+        /// <summary>
+        /// Test cross with no prim limit module.
+        /// </summary>
+        /// <remarks>
+        /// Possibly this should belong in ScenePresenceCrossingTests, though here it is the object that is being moved
+        /// where the avatar is just a passenger.
+        /// </remarks>
+        [Test]
+        public void TestCrossOnSameSimulatorWithSittingAvatar()
+        {
+            TestHelpers.InMethod();
+//            TestHelpers.EnableLogging();
+
+            UUID userId = TestHelpers.ParseTail(0x1);
+            int sceneObjectIdTail = 0x2;
+            Vector3 so1StartPos = new Vector3(128, 10, 20);
+
+            EntityTransferModule etmA = new EntityTransferModule();
+            EntityTransferModule etmB = new EntityTransferModule();
+            LocalSimulationConnectorModule lscm = new LocalSimulationConnectorModule();
+
+            IConfigSource config = new IniConfigSource();
+            IConfig modulesConfig = config.AddConfig("Modules");
+            modulesConfig.Set("EntityTransferModule", etmA.Name);
+            modulesConfig.Set("SimulationServices", lscm.Name);
+            IConfig entityTransferConfig = config.AddConfig("EntityTransfer");
+
+            // In order to run a single threaded regression test we do not want the entity transfer module waiting
+            // for a callback from the destination scene before removing its avatar data.
+            entityTransferConfig.Set("wait_for_callback", false);
+
+            SceneHelpers sh = new SceneHelpers();
+            TestScene sceneA = sh.SetupScene("sceneA", TestHelpers.ParseTail(0x100), 1000, 1000);
+            TestScene sceneB = sh.SetupScene("sceneB", TestHelpers.ParseTail(0x200), 1000, 999);
+
+            SceneHelpers.SetupSceneModules(new Scene[] { sceneA, sceneB }, config, lscm);
+            SceneHelpers.SetupSceneModules(sceneA, config, new CapabilitiesModule(), etmA);
+            SceneHelpers.SetupSceneModules(sceneB, config, new CapabilitiesModule(), etmB);
+
+            SceneObjectGroup so1 = SceneHelpers.AddSceneObject(sceneA, 1, userId, "", sceneObjectIdTail);
+            UUID so1Id = so1.UUID;
+            so1.AbsolutePosition = so1StartPos;
+
+            AgentCircuitData acd = SceneHelpers.GenerateAgentData(userId);
+            TestClient tc = new TestClient(acd, sceneA);
+            List<TestClient> destinationTestClients = new List<TestClient>();
+            EntityTransferHelpers.SetupInformClientOfNeighbourTriggersNeighbourClientCreate(tc, destinationTestClients);
+
+            ScenePresence sp1SceneA = SceneHelpers.AddScenePresence(sceneA, tc, acd);
+            sp1SceneA.AbsolutePosition = so1StartPos;
+            sp1SceneA.HandleAgentRequestSit(sp1SceneA.ControllingClient, sp1SceneA.UUID, so1.UUID, Vector3.Zero);
+
+            // Cross
+            sceneA.SceneGraph.UpdatePrimGroupPosition(
+                so1.LocalId, new Vector3(so1StartPos.X, so1StartPos.Y - 20, so1StartPos.Z), userId);
+
+            SceneObjectGroup so1PostCross;
+
+            {
+                ScenePresence sp1SceneAPostCross = sceneA.GetScenePresence(userId);
+                Assert.IsTrue(sp1SceneAPostCross.IsChildAgent, "sp1SceneAPostCross.IsChildAgent unexpectedly false");
+
+                ScenePresence sp1SceneBPostCross = sceneB.GetScenePresence(userId);
+                TestClient sceneBTc = ((TestClient)sp1SceneBPostCross.ControllingClient);
+                sceneBTc.CompleteMovement();
+
+                Assert.IsFalse(sp1SceneBPostCross.IsChildAgent, "sp1SceneAPostCross.IsChildAgent unexpectedly true");
+                Assert.IsTrue(sp1SceneBPostCross.IsSatOnObject);
+
+                Assert.IsNull(sceneA.GetSceneObjectGroup(so1Id), "uck");
+                so1PostCross = sceneB.GetSceneObjectGroup(so1Id);
+                Assert.NotNull(so1PostCross);
+                Assert.AreEqual(1, so1PostCross.GetSittingAvatarsCount());
+            }
+
+            Vector3 so1PostCrossPos = so1PostCross.AbsolutePosition;
+
+//            Console.WriteLine("CRISSCROSS");
+
+            // Recross
+            sceneB.SceneGraph.UpdatePrimGroupPosition(
+                so1PostCross.LocalId, new Vector3(so1PostCrossPos.X, so1PostCrossPos.Y + 20, so1PostCrossPos.Z), userId);
+
+            {
+                ScenePresence sp1SceneBPostReCross = sceneB.GetScenePresence(userId);
+                Assert.IsTrue(sp1SceneBPostReCross.IsChildAgent, "sp1SceneBPostReCross.IsChildAgent unexpectedly false");
+
+                ScenePresence sp1SceneAPostReCross = sceneA.GetScenePresence(userId);
+                TestClient sceneATc = ((TestClient)sp1SceneAPostReCross.ControllingClient);
+                sceneATc.CompleteMovement();
+
+                Assert.IsFalse(sp1SceneAPostReCross.IsChildAgent, "sp1SceneAPostCross.IsChildAgent unexpectedly true");
+                Assert.IsTrue(sp1SceneAPostReCross.IsSatOnObject);
+
+                Assert.IsNull(sceneB.GetSceneObjectGroup(so1Id), "uck2");
+                SceneObjectGroup so1PostReCross = sceneA.GetSceneObjectGroup(so1Id);
+                Assert.NotNull(so1PostReCross);
+                Assert.AreEqual(1, so1PostReCross.GetSittingAvatarsCount());
+            }
+        }
+
+        /// <summary>
+        /// Test cross with no prim limit module.
+        /// </summary>
+        /// <remarks>
+        /// XXX: This test may FCbe better off in a specific PrimLimitsModuleTest class in optional module tests in the
+        /// future (though it is configured as active by default, so not really optional).
+        /// </remarks>
+        [Test]
+        public void TestCrossOnSameSimulatorPrimLimitsOkay()
+        {
+            TestHelpers.InMethod();
+//            TestHelpers.EnableLogging();
+
+            UUID userId = TestHelpers.ParseTail(0x1);
+            int sceneObjectIdTail = 0x2;
+
+            EntityTransferModule etmA = new EntityTransferModule();
+            EntityTransferModule etmB = new EntityTransferModule();
+            LocalSimulationConnectorModule lscm = new LocalSimulationConnectorModule();
+            LandManagementModule lmmA = new LandManagementModule();
+            LandManagementModule lmmB = new LandManagementModule();
+
+            IConfigSource config = new IniConfigSource();
+            IConfig modulesConfig = config.AddConfig("Modules");
+            modulesConfig.Set("EntityTransferModule", etmA.Name);
+            modulesConfig.Set("SimulationServices", lscm.Name);
+
+            IConfig permissionsConfig = config.AddConfig("Permissions");
+            permissionsConfig.Set("permissionmodules", "PrimLimitsModule");
+
+            SceneHelpers sh = new SceneHelpers();
+            TestScene sceneA = sh.SetupScene("sceneA", TestHelpers.ParseTail(0x100), 1000, 1000);
+            TestScene sceneB = sh.SetupScene("sceneB", TestHelpers.ParseTail(0x200), 1000, 999);
+
+            SceneHelpers.SetupSceneModules(new Scene[] { sceneA, sceneB }, config, lscm);
+            SceneHelpers.SetupSceneModules(
+                sceneA, config, etmA, lmmA, new PrimLimitsModule(), new PrimCountModule());
+            SceneHelpers.SetupSceneModules(
+                sceneB, config, etmB, lmmB, new PrimLimitsModule(), new PrimCountModule());
+
+            // We must set up the parcel for this to work.  Normally this is taken care of by OpenSimulator startup
+            // code which is not yet easily invoked by tests.
+            lmmA.EventManagerOnNoLandDataFromStorage();
+            lmmB.EventManagerOnNoLandDataFromStorage();
+
+            SceneObjectGroup so1 = SceneHelpers.AddSceneObject(sceneA, 1, userId, "", sceneObjectIdTail);
+            UUID so1Id = so1.UUID;
+            so1.AbsolutePosition = new Vector3(128, 10, 20);
+
+            // Cross with a negative value.  We must make this call rather than setting AbsolutePosition directly
+            // because only this will execute permission checks in the source region.
+            sceneA.SceneGraph.UpdatePrimGroupPosition(so1.LocalId, new Vector3(128, -10, 20), userId);
+
+            Assert.IsNull(sceneA.GetSceneObjectGroup(so1Id));
+            Assert.NotNull(sceneB.GetSceneObjectGroup(so1Id));
+        }
+    }
+}
\ No newline at end of file
diff --git a/OpenSim/Region/Framework/Scenes/Tests/SceneObjectDeRezTests.cs b/OpenSim/Region/Framework/Scenes/Tests/SceneObjectDeRezTests.cs
index c1522e7..1c396ac 100644
--- a/OpenSim/Region/Framework/Scenes/Tests/SceneObjectDeRezTests.cs
+++ b/OpenSim/Region/Framework/Scenes/Tests/SceneObjectDeRezTests.cs
@@ -32,13 +32,13 @@ using Nini.Config;
 using NUnit.Framework;
 using OpenMetaverse;
 using OpenSim.Framework;
-using OpenSim.Framework.Communications;
+using OpenSim.Region.CoreModules.Framework.EntityTransfer;
 using OpenSim.Region.CoreModules.Framework.InventoryAccess;
+using OpenSim.Region.CoreModules.ServiceConnectorsOut.Simulation;
 using OpenSim.Region.CoreModules.World.Permissions;
 using OpenSim.Region.Framework.Scenes;
 using OpenSim.Services.Interfaces;
 using OpenSim.Tests.Common;
-using OpenSim.Tests.Common.Mock;
 
 namespace OpenSim.Region.Framework.Scenes.Tests
 {
@@ -52,6 +52,24 @@ namespace OpenSim.Region.Framework.Scenes.Tests
     [TestFixture]
     public class SceneObjectDeRezTests : OpenSimTestCase
     {
+        [TestFixtureSetUp]
+        public void FixtureInit()
+        {
+            // Don't allow tests to be bamboozled by asynchronous events.  Execute everything on the same thread.
+            // This facility was added after the original async delete tests were written, so it may be possible now
+            // to not bother explicitly disabling their async (since everything will be running sync).
+            Util.FireAndForgetMethod = FireAndForgetMethod.RegressionTest;
+        }
+
+        [TestFixtureTearDown]
+        public void TearDown()
+        {
+            // We must set this back afterwards, otherwise later tests will fail since they're expecting multiple
+            // threads.  Possibly, later tests should be rewritten so none of them require async stuff (which regression
+            // tests really shouldn't).
+            Util.FireAndForgetMethod = Util.DefaultFireAndForgetMethod;
+        }
+
         /// <summary>
         /// Test deleting an object from a scene.
         /// </summary>
@@ -59,46 +77,96 @@ namespace OpenSim.Region.Framework.Scenes.Tests
         public void TestDeRezSceneObject()
         {
             TestHelpers.InMethod();
-//            log4net.Config.XmlConfigurator.Configure();
                         
             UUID userId = UUID.Parse("10000000-0000-0000-0000-000000000001");
             
             TestScene scene = new SceneHelpers().SetupScene();
-            IConfigSource configSource = new IniConfigSource();
-            IConfig config = configSource.AddConfig("Startup");
-            config.Set("serverside_object_permissions", true);
-            SceneHelpers.SetupSceneModules(scene, configSource, new object[] { new PermissionsModule() });
-            IClientAPI client = SceneHelpers.AddScenePresence(scene, userId).ControllingClient;
+            SceneHelpers.SetupSceneModules(scene, new PermissionsModule());
+            TestClient client = (TestClient)SceneHelpers.AddScenePresence(scene, userId).ControllingClient;
             
             // Turn off the timer on the async sog deleter - we'll crank it by hand for this test.
             AsyncSceneObjectGroupDeleter sogd = scene.SceneObjectGroupDeleter;
             sogd.Enabled = false;            
-            
-            SceneObjectPart part
-                = new SceneObjectPart(userId, PrimitiveBaseShape.Default, Vector3.Zero, Quaternion.Identity, Vector3.Zero);
-            part.Name = "obj1";
-            scene.AddNewSceneObject(new SceneObjectGroup(part), false);
+
+            SceneObjectGroup so = SceneHelpers.AddSceneObject(scene, "so1", userId);
+            uint soLocalId = so.LocalId;
 
             List<uint> localIds = new List<uint>();
-            localIds.Add(part.LocalId);
+            localIds.Add(so.LocalId);
             scene.DeRezObjects(client, localIds, UUID.Zero, DeRezAction.Delete, UUID.Zero);
 
             // Check that object isn't deleted until we crank the sogd handle.
-            SceneObjectPart retrievedPart = scene.GetSceneObjectPart(part.LocalId);
+            SceneObjectPart retrievedPart = scene.GetSceneObjectPart(so.LocalId);
             Assert.That(retrievedPart, Is.Not.Null);
             Assert.That(retrievedPart.ParentGroup.IsDeleted, Is.False);
 
             sogd.InventoryDeQueueAndDelete();
             
-            SceneObjectPart retrievedPart2 = scene.GetSceneObjectPart(part.LocalId);
-            Assert.That(retrievedPart2, Is.Null);
+            SceneObjectPart retrievedPart2 = scene.GetSceneObjectPart(so.LocalId);
+            Assert.That(retrievedPart2, Is.Null);              
+
+            Assert.That(client.ReceivedKills.Count, Is.EqualTo(1));
+            Assert.That(client.ReceivedKills[0], Is.EqualTo(soLocalId));
+        }
+
+        /// <summary>
+        /// Test that child and root agents correctly receive KillObject notifications.
+        /// </summary>
+        [Test]
+        public void TestDeRezSceneObjectToAgents()
+        {
+            TestHelpers.InMethod();
+//            TestHelpers.EnableLogging();
+
+            SceneHelpers sh = new SceneHelpers();
+            TestScene sceneA = sh.SetupScene("sceneA", TestHelpers.ParseTail(0x100), 1000, 1000);
+            TestScene sceneB = sh.SetupScene("sceneB", TestHelpers.ParseTail(0x200), 1000, 999);
+
+            // We need this so that the creation of the root client for userB in sceneB can trigger the creation of a child client in sceneA
+            LocalSimulationConnectorModule lscm = new LocalSimulationConnectorModule();
+            EntityTransferModule etmB = new EntityTransferModule();
+            IConfigSource config = new IniConfigSource();
+            IConfig modulesConfig = config.AddConfig("Modules");
+            modulesConfig.Set("EntityTransferModule", etmB.Name);
+            modulesConfig.Set("SimulationServices", lscm.Name);
+            SceneHelpers.SetupSceneModules(new Scene[] { sceneA, sceneB }, config, lscm);
+            SceneHelpers.SetupSceneModules(sceneB, config, etmB);
+
+            // We need this for derez
+            SceneHelpers.SetupSceneModules(sceneA, new PermissionsModule());
+
+            UserAccount uaA = UserAccountHelpers.CreateUserWithInventory(sceneA, "Andy", "AAA", 0x1, "");
+            UserAccount uaB = UserAccountHelpers.CreateUserWithInventory(sceneA, "Brian", "BBB", 0x2, "");
+
+            TestClient clientA = (TestClient)SceneHelpers.AddScenePresence(sceneA, uaA).ControllingClient;
+
+            // This is the more long-winded route we have to take to get a child client created for userB in sceneA
+            // rather than just calling AddScenePresence() as for userA
+            AgentCircuitData acd = SceneHelpers.GenerateAgentData(uaB);
+            TestClient clientB = new TestClient(acd, sceneB);
+            List<TestClient> childClientsB = new List<TestClient>();
+            EntityTransferHelpers.SetupInformClientOfNeighbourTriggersNeighbourClientCreate(clientB, childClientsB);
+
+            SceneHelpers.AddScenePresence(sceneB, clientB, acd);
+
+            SceneObjectGroup so = SceneHelpers.AddSceneObject(sceneA);
+            uint soLocalId = so.LocalId;
+
+            sceneA.DeleteSceneObject(so, false);
+
+            Assert.That(clientA.ReceivedKills.Count, Is.EqualTo(1));
+            Assert.That(clientA.ReceivedKills[0], Is.EqualTo(soLocalId));
+
+            Assert.That(childClientsB[0].ReceivedKills.Count, Is.EqualTo(1));
+            Assert.That(childClientsB[0].ReceivedKills[0], Is.EqualTo(soLocalId));
         }
         
         /// <summary>
         /// Test deleting an object from a scene where the deleter is not the owner
         /// </summary>
-        /// 
+        /// <remarks>
         /// This test assumes that the deleter is not a god.       
+        /// </remarks>
         [Test]
         public void TestDeRezSceneObjectNotOwner()
         {
@@ -109,10 +177,7 @@ namespace OpenSim.Region.Framework.Scenes.Tests
             UUID objectOwnerId = UUID.Parse("20000000-0000-0000-0000-000000000001");
             
             TestScene scene = new SceneHelpers().SetupScene();
-            IConfigSource configSource = new IniConfigSource();
-            IConfig config = configSource.AddConfig("Startup");
-            config.Set("serverside_object_permissions", true);
-            SceneHelpers.SetupSceneModules(scene, configSource, new object[] { new PermissionsModule() });            
+            SceneHelpers.SetupSceneModules(scene, new PermissionsModule());            
             IClientAPI client = SceneHelpers.AddScenePresence(scene, userId).ControllingClient;
             
             // Turn off the timer on the async sog deleter - we'll crank it by hand for this test.
@@ -164,7 +229,7 @@ namespace OpenSim.Region.Framework.Scenes.Tests
 
             UserAccount ua = UserAccountHelpers.CreateUserWithInventory(scene, agentId);
             InventoryFolderBase folder1
-                = UserInventoryHelpers.CreateInventoryFolder(scene.InventoryService, ua.PrincipalID, "folder1");
+                = UserInventoryHelpers.CreateInventoryFolder(scene.InventoryService, ua.PrincipalID, "folder1", false);
 
             IClientAPI client = SceneHelpers.AddScenePresence(scene, agentId).ControllingClient;
             scene.DeRezObjects(client, new List<uint>() { so.LocalId }, UUID.Zero, DeRezAction.Take, folder1.ID);
diff --git a/OpenSim/Region/Framework/Scenes/Tests/SceneObjectLinkingTests.cs b/OpenSim/Region/Framework/Scenes/Tests/SceneObjectLinkingTests.cs
index 9378e20..e6d5a2f 100644
--- a/OpenSim/Region/Framework/Scenes/Tests/SceneObjectLinkingTests.cs
+++ b/OpenSim/Region/Framework/Scenes/Tests/SceneObjectLinkingTests.cs
@@ -31,10 +31,8 @@ using System.Reflection;
 using NUnit.Framework;
 using OpenMetaverse;
 using OpenSim.Framework;
-using OpenSim.Framework.Communications;
 using OpenSim.Region.Framework.Scenes;
 using OpenSim.Tests.Common;
-using OpenSim.Tests.Common.Mock;
 using log4net;
 
 namespace OpenSim.Region.Framework.Scenes.Tests
@@ -91,7 +89,12 @@ namespace OpenSim.Region.Framework.Scenes.Tests
             grp2.RootPart.ClearUpdateSchedule();
 
             // Link grp2 to grp1.   part2 becomes child prim to grp1. grp2 is eliminated.
+            Assert.IsFalse(grp1.GroupContainsForeignPrims);
             grp1.LinkToGroup(grp2);
+            Assert.IsTrue(grp1.GroupContainsForeignPrims);
+
+            scene.Backup(true);
+            Assert.IsFalse(grp1.GroupContainsForeignPrims);
 
             // FIXME: Can't do this test yet since group 2 still has its root part!  We can't yet null this since
             // it might cause SOG.ProcessBackup() to fail due to the race condition.  This really needs to be fixed.
@@ -143,7 +146,7 @@ namespace OpenSim.Region.Framework.Scenes.Tests
 
             Assert.That(grp1.Parts.Length, Is.EqualTo(1), "Group 1 still contained part2 after delink.");
             Assert.That(part2.AbsolutePosition == Vector3.Zero, "The absolute position should be zero");
-            Assert.That(grp3.HasGroupChangedDueToDelink, Is.True);
+            Assert.NotNull(grp3);
         }
 
         [Test]
@@ -335,30 +338,34 @@ namespace OpenSim.Region.Framework.Scenes.Tests
             SceneObjectPart rootPart
                 = new SceneObjectPart(UUID.Zero, PrimitiveBaseShape.Default, Vector3.Zero, Quaternion.Identity, Vector3.Zero) 
                     { Name = rootPartName, UUID = rootPartUuid };
+            
             SceneObjectPart linkPart
                 = new SceneObjectPart(UUID.Zero, PrimitiveBaseShape.Default, Vector3.Zero, Quaternion.Identity, Vector3.Zero) 
                     { Name = linkPartName, UUID = linkPartUuid };
+            SceneObjectGroup linkGroup = new SceneObjectGroup(linkPart);
+            scene.AddNewSceneObject(linkGroup, true);
 
             SceneObjectGroup sog = new SceneObjectGroup(rootPart);
-            sog.AddPart(linkPart);
-            scene.AddNewSceneObject(sog, true);            
-            
-            // In a test, we have to crank the backup handle manually.  Normally this would be done by the timer invoked
-            // scene backup thread.
+            scene.AddNewSceneObject(sog, true);
+
+            Assert.IsFalse(sog.GroupContainsForeignPrims);
+            sog.LinkToGroup(linkGroup);
+            Assert.IsTrue(sog.GroupContainsForeignPrims);
+
             scene.Backup(true);
-                        
+            Assert.AreEqual(1, scene.SimulationDataService.LoadObjects(scene.RegionInfo.RegionID).Count);
+
             // These changes should occur immediately without waiting for a backup pass
             SceneObjectGroup groupToDelete = sog.DelinkFromGroup(linkPart, false);
-            
-            Assert.That(groupToDelete.HasGroupChangedDueToDelink, Is.True);
+            Assert.IsFalse(groupToDelete.GroupContainsForeignPrims);
+
             scene.DeleteSceneObject(groupToDelete, false);
-            Assert.That(groupToDelete.HasGroupChangedDueToDelink, Is.False);
             
             List<SceneObjectGroup> storedObjects = scene.SimulationDataService.LoadObjects(scene.RegionInfo.RegionID);
-            
-            Assert.That(storedObjects.Count, Is.EqualTo(1));
-            Assert.That(storedObjects[0].Parts.Length, Is.EqualTo(1));
-            Assert.That(storedObjects[0].ContainsPart(rootPartUuid));
+
+            Assert.AreEqual(1, storedObjects.Count);
+            Assert.AreEqual(1, storedObjects[0].Parts.Length);
+            Assert.IsTrue(storedObjects[0].ContainsPart(rootPartUuid));
         }
     }
 }
diff --git a/OpenSim/Region/Framework/Scenes/Tests/SceneObjectResizeTests.cs b/OpenSim/Region/Framework/Scenes/Tests/SceneObjectResizeTests.cs
index c264433..975c4d9 100644
--- a/OpenSim/Region/Framework/Scenes/Tests/SceneObjectResizeTests.cs
+++ b/OpenSim/Region/Framework/Scenes/Tests/SceneObjectResizeTests.cs
@@ -30,10 +30,8 @@ using System.Reflection;
 using NUnit.Framework;
 using OpenMetaverse;
 using OpenSim.Framework;
-using OpenSim.Framework.Communications;
 using OpenSim.Region.Framework.Scenes;
 using OpenSim.Tests.Common;
-using OpenSim.Tests.Common.Mock;
 
 namespace OpenSim.Region.Framework.Scenes.Tests
 {
diff --git a/OpenSim/Region/Framework/Scenes/Tests/SceneObjectScriptTests.cs b/OpenSim/Region/Framework/Scenes/Tests/SceneObjectScriptTests.cs
index a58e735..8a2d2af 100644
--- a/OpenSim/Region/Framework/Scenes/Tests/SceneObjectScriptTests.cs
+++ b/OpenSim/Region/Framework/Scenes/Tests/SceneObjectScriptTests.cs
@@ -31,11 +31,9 @@ using System.Reflection;
 using NUnit.Framework;
 using OpenMetaverse;
 using OpenSim.Framework;
-using OpenSim.Framework.Communications;
 using OpenSim.Region.Framework.Interfaces;
 using OpenSim.Region.Framework.Scenes;
 using OpenSim.Tests.Common;
-using OpenSim.Tests.Common.Mock;
 
 namespace OpenSim.Region.Framework.Scenes.Tests
 {
diff --git a/OpenSim/Region/Framework/Scenes/Tests/SceneObjectSerializationTests.cs b/OpenSim/Region/Framework/Scenes/Tests/SceneObjectSerializationTests.cs
new file mode 100644
index 0000000..e3ceb04
--- /dev/null
+++ b/OpenSim/Region/Framework/Scenes/Tests/SceneObjectSerializationTests.cs
@@ -0,0 +1,135 @@
+/*
+ * Copyright (c) Contributors, http://opensimulator.org/
+ * See CONTRIBUTORS.TXT for a full list of copyright holders.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * Neither the name of the OpenSimulator Project nor the
+ *       names of its contributors may be used to endorse or promote products
+ *       derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+using System;
+using System.Collections.Generic;
+using System.Reflection;
+using System.Threading;
+using System.Xml;
+using System.Linq;
+using Nini.Config;
+using NUnit.Framework;
+using OpenMetaverse;
+using OpenSim.Framework;
+using OpenSim.Framework.Serialization.External;
+using OpenSim.Region.Framework.Scenes;
+using OpenSim.Region.Framework.Scenes.Serialization;
+using OpenSim.Services.Interfaces;
+using OpenSim.Tests.Common;
+
+namespace OpenSim.Region.Framework.Scenes.Tests
+{
+    /// <summary>
+    /// Basic scene object serialization tests.
+    /// </summary>
+    [TestFixture]
+    public class SceneObjectSerializationTests : OpenSimTestCase
+    {
+
+        /// <summary>
+        /// Serialize and deserialize.
+        /// </summary>
+        [Test]
+        public void TestSerialDeserial()
+        {
+            TestHelpers.InMethod();
+
+            Scene scene = new SceneHelpers().SetupScene();
+            int partsToTestCount = 3;
+
+            SceneObjectGroup so
+                = SceneHelpers.CreateSceneObject(partsToTestCount, TestHelpers.ParseTail(0x1), "obj1", 0x10);
+            SceneObjectPart[] parts = so.Parts;
+            so.Name = "obj1";
+            so.Description = "xpto";
+
+            string xml = SceneObjectSerializer.ToXml2Format(so);
+            Assert.That(!string.IsNullOrEmpty(xml), "SOG serialization resulted in empty or null string");
+
+            XmlDocument doc = new XmlDocument();
+            doc.LoadXml(xml);
+            XmlNodeList nodes = doc.GetElementsByTagName("SceneObjectPart");
+            Assert.That(nodes.Count, Is.EqualTo(3), "SOG serialization resulted in wrong number of SOPs");
+
+            SceneObjectGroup so2 = SceneObjectSerializer.FromXml2Format(xml);
+            Assert.IsNotNull(so2, "SOG deserialization resulted in null object");
+            Assert.That(so2.Name == so.Name, "Name of deserialized object does not match original name");
+            Assert.That(so2.Description == so.Description, "Description of deserialized object does not match original name");
+        }
+
+        /// <summary>
+        /// This checks for a bug reported in mantis #7514
+        /// </summary>
+        [Test]
+        public void TestNamespaceAttribute()
+        {
+            TestHelpers.InMethod();
+
+            Scene scene = new SceneHelpers().SetupScene();
+            UserAccount account = new UserAccount(UUID.Zero, UUID.Random(), "Test", "User", string.Empty);
+            scene.UserAccountService.StoreUserAccount(account);
+            int partsToTestCount = 1;
+
+            SceneObjectGroup so
+                = SceneHelpers.CreateSceneObject(partsToTestCount, TestHelpers.ParseTail(0x1), "obj1", 0x10);
+            SceneObjectPart[] parts = so.Parts;
+            so.Name = "obj1";
+            so.Description = "xpto";
+            so.OwnerID = account.PrincipalID;
+            so.RootPart.CreatorID = so.OwnerID;
+
+            string xml = SceneObjectSerializer.ToXml2Format(so);
+            Assert.That(!string.IsNullOrEmpty(xml), "SOG serialization resulted in empty or null string");
+
+            xml = ExternalRepresentationUtils.RewriteSOP(xml, "Test Scene", "http://localhost", scene.UserAccountService, UUID.Zero);
+            //Console.WriteLine(xml);
+
+            XmlDocument doc = new XmlDocument();
+            doc.LoadXml(xml);
+
+            XmlNodeList nodes = doc.GetElementsByTagName("SceneObjectPart");
+            Assert.That(nodes.Count, Is.GreaterThan(0), "SOG serialization resulted in no SOPs");
+            foreach (XmlAttribute a in nodes[0].Attributes)
+            {
+                int count = a.Name.Count(c => c == ':');
+                Assert.That(count, Is.EqualTo(1), "Cannot have multiple ':' in attribute name in SOP");
+            }
+            nodes = doc.GetElementsByTagName("CreatorData");
+            Assert.That(nodes.Count, Is.GreaterThan(0), "SOG serialization resulted in no CreatorData");
+            foreach (XmlAttribute a in nodes[0].Attributes)
+            {
+                int count = a.Name.Count(c => c == ':');
+                Assert.That(count, Is.EqualTo(1), "Cannot have multiple ':' in attribute name in CreatorData");
+            }
+
+            SceneObjectGroup so2 = SceneObjectSerializer.FromXml2Format(xml);
+            Assert.IsNotNull(so2, "SOG deserialization resulted in null object");
+            Assert.AreNotEqual(so.RootPart.CreatorIdentification, so2.RootPart.CreatorIdentification, "RewriteSOP failed to transform CreatorData.");
+            Assert.That(so2.RootPart.CreatorIdentification.Contains("http://"), "RewriteSOP failed to add the homeURL to CreatorData");
+        }
+    }
+}
\ No newline at end of file
diff --git a/OpenSim/Region/Framework/Scenes/Tests/SceneObjectSpatialTests.cs b/OpenSim/Region/Framework/Scenes/Tests/SceneObjectSpatialTests.cs
index abaa1d1..e00defd 100644
--- a/OpenSim/Region/Framework/Scenes/Tests/SceneObjectSpatialTests.cs
+++ b/OpenSim/Region/Framework/Scenes/Tests/SceneObjectSpatialTests.cs
@@ -31,10 +31,8 @@ using System.Threading;
 using NUnit.Framework;
 using OpenMetaverse;
 using OpenSim.Framework;
-using OpenSim.Framework.Communications;
 using OpenSim.Region.Framework.Scenes;
 using OpenSim.Tests.Common;
-using OpenSim.Tests.Common.Mock;
 
 namespace OpenSim.Region.Framework.Scenes.Tests
 {
diff --git a/OpenSim/Region/Framework/Scenes/Tests/SceneObjectStatusTests.cs b/OpenSim/Region/Framework/Scenes/Tests/SceneObjectStatusTests.cs
index 8eb3191..1737e3c 100644
--- a/OpenSim/Region/Framework/Scenes/Tests/SceneObjectStatusTests.cs
+++ b/OpenSim/Region/Framework/Scenes/Tests/SceneObjectStatusTests.cs
@@ -31,10 +31,8 @@ using System.Reflection;
 using NUnit.Framework;
 using OpenMetaverse;
 using OpenSim.Framework;
-using OpenSim.Framework.Communications;
 using OpenSim.Region.Framework.Scenes;
 using OpenSim.Tests.Common;
-using OpenSim.Tests.Common.Mock;
 
 namespace OpenSim.Region.Framework.Scenes.Tests
 {
@@ -58,6 +56,25 @@ namespace OpenSim.Region.Framework.Scenes.Tests
         }
 
         [Test]
+        public void TestSetTemporary()
+        {
+            TestHelpers.InMethod();
+
+            m_scene.AddSceneObject(m_so1);
+            m_so1.ScriptSetTemporaryStatus(true);
+
+            // Is this really the correct flag?
+            Assert.That(m_so1.RootPart.Flags, Is.EqualTo(PrimFlags.TemporaryOnRez));
+            Assert.That(m_so1.Backup, Is.False);
+
+            // Test setting back to non-temporary
+            m_so1.ScriptSetTemporaryStatus(false);
+
+            Assert.That(m_so1.RootPart.Flags, Is.EqualTo(PrimFlags.None));
+            Assert.That(m_so1.Backup, Is.True);          
+        }
+
+        [Test]
         public void TestSetPhantomSinglePrim()
         {
             TestHelpers.InMethod();
diff --git a/OpenSim/Region/Framework/Scenes/Tests/SceneObjectUndoRedoTests.cs b/OpenSim/Region/Framework/Scenes/Tests/SceneObjectUndoRedoTests.cs
index 96973de..af3ce8e 100644
--- a/OpenSim/Region/Framework/Scenes/Tests/SceneObjectUndoRedoTests.cs
+++ b/OpenSim/Region/Framework/Scenes/Tests/SceneObjectUndoRedoTests.cs
@@ -30,10 +30,8 @@ using System.Reflection;
 using NUnit.Framework;
 using OpenMetaverse;
 using OpenSim.Framework;
-using OpenSim.Framework.Communications;
 using OpenSim.Region.Framework.Scenes;
 using OpenSim.Tests.Common;
-using OpenSim.Tests.Common.Mock;
 
 namespace OpenSim.Region.Framework.Scenes.Tests
 {
@@ -110,8 +108,8 @@ namespace OpenSim.Region.Framework.Scenes.Tests
 
             Vector3 firstSize = new Vector3(2, 3, 4);
             Vector3 secondSize = new Vector3(5, 6, 7);
-            Vector3 thirdSize = new Vector3(8, 9, 10);
-            Vector3 fourthSize = new Vector3(11, 12, 13);
+//            Vector3 thirdSize = new Vector3(8, 9, 10);
+//            Vector3 fourthSize = new Vector3(11, 12, 13);
 
             Scene scene = new SceneHelpers().SetupScene();
             scene.MaxUndoCount = 20;
diff --git a/OpenSim/Region/Framework/Scenes/Tests/SceneObjectUserGroupTests.cs b/OpenSim/Region/Framework/Scenes/Tests/SceneObjectUserGroupTests.cs
index 2b79271..aadf7c6 100644
--- a/OpenSim/Region/Framework/Scenes/Tests/SceneObjectUserGroupTests.cs
+++ b/OpenSim/Region/Framework/Scenes/Tests/SceneObjectUserGroupTests.cs
@@ -32,14 +32,12 @@ using Nini.Config;
 using NUnit.Framework;
 using OpenMetaverse;
 using OpenSim.Framework;
-using OpenSim.Framework.Communications;
 using OpenSim.Region.CoreModules.Avatar.InstantMessage;
 using OpenSim.Region.CoreModules.World.Permissions;
 using OpenSim.Region.Framework.Interfaces;
 using OpenSim.Region.Framework.Scenes;
 using OpenSim.Region.OptionalModules.Avatar.XmlRpcGroups;
 using OpenSim.Tests.Common;
-using OpenSim.Tests.Common.Mock;
 
 namespace OpenSim.Region.Framework.Scenes.Tests
 {
diff --git a/OpenSim/Region/Framework/Scenes/Tests/ScenePresenceAgentTests.cs b/OpenSim/Region/Framework/Scenes/Tests/ScenePresenceAgentTests.cs
index 5faf131..96d112d 100644
--- a/OpenSim/Region/Framework/Scenes/Tests/ScenePresenceAgentTests.cs
+++ b/OpenSim/Region/Framework/Scenes/Tests/ScenePresenceAgentTests.cs
@@ -36,7 +36,6 @@ using Nini.Config;
 using NUnit.Framework;
 using OpenMetaverse;
 using OpenSim.Framework;
-using OpenSim.Framework.Communications;
 using OpenSim.Region.Framework.Scenes;
 using OpenSim.Region.Framework.Interfaces;
 using OpenSim.Region.ClientStack.Linden;
@@ -44,7 +43,6 @@ using OpenSim.Region.CoreModules.Framework.EntityTransfer;
 using OpenSim.Region.CoreModules.World.Serialiser;
 using OpenSim.Region.CoreModules.ServiceConnectorsOut.Simulation;
 using OpenSim.Tests.Common;
-using OpenSim.Tests.Common.Mock;
 using GridRegion = OpenSim.Services.Interfaces.GridRegion;
 
 namespace OpenSim.Region.Framework.Scenes.Tests
@@ -111,6 +109,45 @@ namespace OpenSim.Region.Framework.Scenes.Tests
             Assert.That(scene.GetScenePresences().Count, Is.EqualTo(1));
         }
 
+        /// <summary>
+        /// Test that duplicate complete movement calls are ignored.
+        /// </summary>
+        /// <remarks>
+        /// If duplicate calls are not ignored then there is a risk of race conditions or other unexpected effects.
+        /// </remarks>
+        [Test]
+        public void TestDupeCompleteMovementCalls()
+        {
+            TestHelpers.InMethod();
+//            TestHelpers.EnableLogging();
+
+            UUID spUuid = TestHelpers.ParseTail(0x1);
+
+            TestScene scene = new SceneHelpers().SetupScene();
+
+            int makeRootAgentEvents = 0;
+            scene.EventManager.OnMakeRootAgent += spi => makeRootAgentEvents++;
+
+            ScenePresence sp = SceneHelpers.AddScenePresence(scene, spUuid);
+
+            Assert.That(makeRootAgentEvents, Is.EqualTo(1));
+
+            // Normally these would be invoked by a CompleteMovement message coming in to the UDP stack.  But for
+            // convenience, here we will invoke it manually.
+            sp.CompleteMovement(sp.ControllingClient, true);
+
+            Assert.That(makeRootAgentEvents, Is.EqualTo(1));
+
+            // Check rest of exepcted parameters.
+            Assert.That(scene.AuthenticateHandler.GetAgentCircuitData(spUuid), Is.Not.Null);
+            Assert.That(scene.AuthenticateHandler.GetAgentCircuits().Count, Is.EqualTo(1));
+          
+            Assert.That(sp.IsChildAgent, Is.False);
+            Assert.That(sp.UUID, Is.EqualTo(spUuid));
+
+            Assert.That(scene.GetScenePresences().Count, Is.EqualTo(1));
+        }
+
         [Test]
         public void TestCreateDuplicateRootScenePresence()
         {
@@ -119,7 +156,20 @@ namespace OpenSim.Region.Framework.Scenes.Tests
 
             UUID spUuid = TestHelpers.ParseTail(0x1);
 
+            // The etm is only invoked by this test to check whether an agent is still in transit if there is a dupe
+            EntityTransferModule etm = new EntityTransferModule();
+
+            IConfigSource config = new IniConfigSource();
+            IConfig modulesConfig = config.AddConfig("Modules");
+            modulesConfig.Set("EntityTransferModule", etm.Name);
+            IConfig entityTransferConfig = config.AddConfig("EntityTransfer");
+
+            // In order to run a single threaded regression test we do not want the entity transfer module waiting
+            // for a callback from the destination scene before removing its avatar data.
+            entityTransferConfig.Set("wait_for_callback", false);
+
             TestScene scene = new SceneHelpers().SetupScene();
+            SceneHelpers.SetupSceneModules(scene, config, etm);
             SceneHelpers.AddScenePresence(scene, spUuid);
             SceneHelpers.AddScenePresence(scene, spUuid);
 
@@ -133,7 +183,7 @@ namespace OpenSim.Region.Framework.Scenes.Tests
         }
 
         [Test]
-        public void TestCloseAgent()
+        public void TestCloseClient()
         {
             TestHelpers.InMethod();
 //            TestHelpers.EnableLogging();
@@ -141,7 +191,7 @@ namespace OpenSim.Region.Framework.Scenes.Tests
             TestScene scene = new SceneHelpers().SetupScene();
             ScenePresence sp = SceneHelpers.AddScenePresence(scene, TestHelpers.ParseTail(0x1));
 
-            scene.IncomingCloseAgent(sp.UUID, false);
+            scene.CloseAgent(sp.UUID, false);
 
             Assert.That(scene.GetScenePresence(sp.UUID), Is.Null);
             Assert.That(scene.AuthenticateHandler.GetAgentCircuitData(sp.UUID), Is.Null);
@@ -176,7 +226,7 @@ namespace OpenSim.Region.Framework.Scenes.Tests
             // *** This is the first stage, when a neighbouring region is told that a viewer is about to try and
             // establish a child scene presence.  We pass in the circuit code that the client has to connect with ***
             // XXX: ViaLogin may not be correct here.
-            scene.SimulationService.CreateAgent(region, acd, (uint)TeleportFlags.ViaLogin, out reason);
+            scene.SimulationService.CreateAgent(null, region, acd, (uint)TeleportFlags.ViaLogin, out reason);
 
             Assert.That(scene.AuthenticateHandler.GetAgentCircuitData(agentId), Is.Not.Null);
             Assert.That(scene.AuthenticateHandler.GetAgentCircuits().Count, Is.EqualTo(1));
@@ -187,7 +237,7 @@ namespace OpenSim.Region.Framework.Scenes.Tests
             // *** This is the second stage, where the client established a child agent/scene presence using the
             // circuit code given to the scene in stage 1 ***
             TestClient client = new TestClient(acd, scene);
-            scene.AddNewClient(client, PresenceType.User);
+            scene.AddNewAgent(client, PresenceType.User);
 
             Assert.That(scene.AuthenticateHandler.GetAgentCircuitData(agentId), Is.Not.Null);
             Assert.That(scene.AuthenticateHandler.GetAgentCircuits().Count, Is.EqualTo(1));
@@ -236,161 +286,5 @@ namespace OpenSim.Region.Framework.Scenes.Tests
 //            Assert.That(childPresence, Is.Not.Null);
 //            Assert.That(childPresence.IsChildAgent, Is.True);
         }
-
-//        /// <summary>
-//        /// Test adding a root agent to a scene.  Doesn't yet actually complete crossing the agent into the scene.
-//        /// </summary>
-//        [Test]
-//        public void T010_TestAddRootAgent()
-//        {
-//            TestHelpers.InMethod();
-//
-//            string firstName = "testfirstname";
-//
-//            AgentCircuitData agent = new AgentCircuitData();
-//            agent.AgentID = agent1;
-//            agent.firstname = firstName;
-//            agent.lastname = "testlastname";
-//            agent.SessionID = UUID.Random();
-//            agent.SecureSessionID = UUID.Random();
-//            agent.circuitcode = 123;
-//            agent.BaseFolder = UUID.Zero;
-//            agent.InventoryFolder = UUID.Zero;
-//            agent.startpos = Vector3.Zero;
-//            agent.CapsPath = GetRandomCapsObjectPath();
-//            agent.ChildrenCapSeeds = new Dictionary<ulong, string>();
-//            agent.child = true;
-//
-//            scene.PresenceService.LoginAgent(agent.AgentID.ToString(), agent.SessionID, agent.SecureSessionID);
-//
-//            string reason;
-//            scene.NewUserConnection(agent, (uint)TeleportFlags.ViaLogin, out reason);
-//            testclient = new TestClient(agent, scene);
-//            scene.AddNewClient(testclient);
-//
-//            ScenePresence presence = scene.GetScenePresence(agent1);
-//
-//            Assert.That(presence, Is.Not.Null, "presence is null");
-//            Assert.That(presence.Firstname, Is.EqualTo(firstName), "First name not same");
-//            acd1 = agent;
-//        }
-//
-//        /// <summary>
-//        /// Test removing an uncrossed root agent from a scene.
-//        /// </summary>
-//        [Test]
-//        public void T011_TestRemoveRootAgent()
-//        {
-//            TestHelpers.InMethod();
-//
-//            scene.RemoveClient(agent1);
-//
-//            ScenePresence presence = scene.GetScenePresence(agent1);
-//
-//            Assert.That(presence, Is.Null, "presence is not null");
-//        }
-
-        // I'm commenting this test because it does not represent
-        // crossings. The Thread.Sleep's in here are not meaningful mocks,
-        // and they sometimes fail in panda.
-        // We need to talk in order to develop a test
-        // that really tests region crossings. There are 3 async components,
-        // but things are synchronous among them. So there should be
-        // 3 threads in here.
-        //[Test]
-//        public void T021_TestCrossToNewRegion()
-//        {
-//            TestHelpers.InMethod();
-//
-//            scene.RegisterRegionWithGrid();
-//            scene2.RegisterRegionWithGrid();
-//
-//            // Adding child agent to region 1001
-//            string reason;
-//            scene2.NewUserConnection(acd1,0, out reason);
-//            scene2.AddNewClient(testclient, PresenceType.User);
-//
-//            ScenePresence presence = scene.GetScenePresence(agent1);
-//            presence.MakeRootAgent(new Vector3(0,unchecked(Constants.RegionSize-1),0), true);
-//
-//            ScenePresence presence2 = scene2.GetScenePresence(agent1);
-//
-//           // Adding neighbour region caps info to presence2
-//
-//            string cap = presence.ControllingClient.RequestClientInfo().CapsPath;
-//            presence2.AddNeighbourRegion(region1, cap);
-//
-//            Assert.That(presence.IsChildAgent, Is.False, "Did not start root in origin region.");
-//            Assert.That(presence2.IsChildAgent, Is.True, "Is not a child on destination region.");
-//
-//            // Cross to x+1
-//            presence.AbsolutePosition = new Vector3(Constants.RegionSize+1,3,100);
-//            presence.Update();
-//
-//            EventWaitHandle wh = new EventWaitHandle (false, EventResetMode.AutoReset, "Crossing");
-//
-//            // Mimicking communication between client and server, by waiting OK from client
-//            // sent by TestClient.CrossRegion call. Originally, this is network comm.
-//            if (!wh.WaitOne(5000,false))
-//            {
-//                presence.Update();
-//                if (!wh.WaitOne(8000,false))
-//                    throw new ArgumentException("1 - Timeout waiting for signal/variable.");
-//            }
-//
-//            // This is a TestClient specific method that fires OnCompleteMovementToRegion event, which
-//            // would normally be fired after receiving the reply packet from comm. done on the last line.
-//            testclient.CompleteMovement();
-//
-//            // Crossings are asynchronous
-//            int timer = 10;
-//
-//            // Make sure cross hasn't already finished
-//            if (!presence.IsInTransit && !presence.IsChildAgent)
-//            {
-//                // If not and not in transit yet, give it some more time
-//                Thread.Sleep(5000);
-//            }
-//
-//            // Enough time, should at least be in transit by now.
-//            while (presence.IsInTransit && timer > 0)
-//            {
-//                Thread.Sleep(1000);
-//                timer-=1;
-//            }
-//
-//            Assert.That(timer,Is.GreaterThan(0),"Timed out waiting to cross 2->1.");
-//            Assert.That(presence.IsChildAgent, Is.True, "Did not complete region cross as expected.");
-//            Assert.That(presence2.IsChildAgent, Is.False, "Did not receive root status after receiving agent.");
-//
-//            // Cross Back
-//            presence2.AbsolutePosition = new Vector3(-10, 3, 100);
-//            presence2.Update();
-//
-//            if (!wh.WaitOne(5000,false))
-//            {
-//                presence2.Update();
-//                if (!wh.WaitOne(8000,false))
-//                    throw new ArgumentException("2 - Timeout waiting for signal/variable.");
-//            }
-//            testclient.CompleteMovement();
-//
-//            if (!presence2.IsInTransit && !presence2.IsChildAgent)
-//            {
-//                // If not and not in transit yet, give it some more time
-//                Thread.Sleep(5000);
-//            }
-//
-//            // Enough time, should at least be in transit by now.
-//            while (presence2.IsInTransit && timer > 0)
-//            {
-//                Thread.Sleep(1000);
-//                timer-=1;
-//            }
-//
-//            Assert.That(timer,Is.GreaterThan(0),"Timed out waiting to cross 1->2.");
-//            Assert.That(presence2.IsChildAgent, Is.True, "Did not return from region as expected.");
-//            Assert.That(presence.IsChildAgent, Is.False, "Presence was not made root in old region again.");
-//        }
     }
 }
\ No newline at end of file
diff --git a/OpenSim/Region/Framework/Scenes/Tests/ScenePresenceAnimationTests.cs b/OpenSim/Region/Framework/Scenes/Tests/ScenePresenceAnimationTests.cs
index 1cd8ae9..42d91b9 100644
--- a/OpenSim/Region/Framework/Scenes/Tests/ScenePresenceAnimationTests.cs
+++ b/OpenSim/Region/Framework/Scenes/Tests/ScenePresenceAnimationTests.cs
@@ -35,15 +35,13 @@ using Nini.Config;
 using NUnit.Framework;
 using OpenMetaverse;
 using OpenSim.Framework;
-using OpenSim.Framework.Communications;
 using OpenSim.Region.Framework.Scenes;
 using OpenSim.Region.Framework.Interfaces;
 using OpenSim.Region.CoreModules.Framework.EntityTransfer;
 using OpenSim.Region.CoreModules.World.Serialiser;
 using OpenSim.Region.CoreModules.ServiceConnectorsOut.Simulation;
-using OpenSim.Region.Physics.Manager;
+using OpenSim.Region.PhysicsModules.SharedBase;
 using OpenSim.Tests.Common;
-using OpenSim.Tests.Common.Mock;
 
 namespace OpenSim.Region.Framework.Scenes.Tests
 {
diff --git a/OpenSim/Region/Framework/Scenes/Tests/ScenePresenceAutopilotTests.cs b/OpenSim/Region/Framework/Scenes/Tests/ScenePresenceAutopilotTests.cs
index d80afd3..e5c847e 100644
--- a/OpenSim/Region/Framework/Scenes/Tests/ScenePresenceAutopilotTests.cs
+++ b/OpenSim/Region/Framework/Scenes/Tests/ScenePresenceAutopilotTests.cs
@@ -33,11 +33,9 @@ using Nini.Config;
 using NUnit.Framework;
 using OpenMetaverse;
 using OpenSim.Framework;
-using OpenSim.Framework.Communications;
 using OpenSim.Region.Framework.Interfaces;
 using OpenSim.Region.Framework.Scenes;
 using OpenSim.Tests.Common;
-using OpenSim.Tests.Common.Mock;
 
 namespace OpenSim.Region.Framework.Scenes.Tests
 {
diff --git a/OpenSim/Region/Framework/Scenes/Tests/ScenePresenceCapabilityTests.cs b/OpenSim/Region/Framework/Scenes/Tests/ScenePresenceCapabilityTests.cs
new file mode 100644
index 0000000..2e6dc70
--- /dev/null
+++ b/OpenSim/Region/Framework/Scenes/Tests/ScenePresenceCapabilityTests.cs
@@ -0,0 +1,86 @@
+/*
+ * Copyright (c) Contributors, http://opensimulator.org/
+ * See CONTRIBUTORS.TXT for a full list of copyright holders.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * Neither the name of the OpenSimulator Project nor the
+ *       names of its contributors may be used to endorse or promote products
+ *       derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+using System;
+using System.Collections.Generic;
+using System.Reflection;
+using System.Text;
+using System.Threading;
+using System.Timers;
+using Timer = System.Timers.Timer;
+using Nini.Config;
+using NUnit.Framework;
+using OpenMetaverse;
+using OpenSim.Framework;
+using OpenSim.Framework.Servers;
+using OpenSim.Framework.Servers.HttpServer;
+using OpenSim.Region.ClientStack.Linden;
+using OpenSim.Region.CoreModules.Framework;
+using OpenSim.Region.CoreModules.Framework.EntityTransfer;
+using OpenSim.Region.CoreModules.World.Serialiser;
+using OpenSim.Region.CoreModules.ServiceConnectorsOut.Simulation;
+using OpenSim.Region.Framework.Scenes;
+using OpenSim.Region.Framework.Interfaces;
+using OpenSim.Tests.Common;
+using GridRegion = OpenSim.Services.Interfaces.GridRegion;
+
+namespace OpenSim.Region.Framework.Scenes.Tests
+{
+    [TestFixture]
+    public class ScenePresenceCapabilityTests : OpenSimTestCase
+    {
+        [Test]
+        public void TestChildAgentSingleRegionCapabilities()
+        {
+            TestHelpers.InMethod();
+//            TestHelpers.EnableLogging();
+
+            UUID spUuid = TestHelpers.ParseTail(0x1);
+
+            // XXX: This is not great since the use of statics will mean that this has to be manually cleaned up for
+            // any subsequent test.
+            // XXX: May replace with a mock IHttpServer later.
+            BaseHttpServer httpServer = new BaseHttpServer(99999);
+            MainServer.AddHttpServer(httpServer);
+            MainServer.Instance = httpServer;
+
+            CapabilitiesModule capsMod = new CapabilitiesModule();
+            TestScene scene = new SceneHelpers().SetupScene();
+            SceneHelpers.SetupSceneModules(scene, capsMod);
+
+            ScenePresence sp = SceneHelpers.AddChildScenePresence(scene, spUuid);
+            Assert.That(capsMod.GetCapsForUser(spUuid), Is.Not.Null);
+
+            // TODO: Need to add tests for other ICapabiltiesModule methods.
+
+            scene.CloseAgent(sp.UUID, false);
+            Assert.That(capsMod.GetCapsForUser(spUuid), Is.Null);
+
+            // TODO: Need to add tests for other ICapabiltiesModule methods.
+        }
+    }
+}
\ No newline at end of file
diff --git a/OpenSim/Region/Framework/Scenes/Tests/ScenePresenceCrossingTests.cs b/OpenSim/Region/Framework/Scenes/Tests/ScenePresenceCrossingTests.cs
new file mode 100644
index 0000000..7127644
--- /dev/null
+++ b/OpenSim/Region/Framework/Scenes/Tests/ScenePresenceCrossingTests.cs
@@ -0,0 +1,247 @@
+/*
+ * Copyright (c) Contributors, http://opensimulator.org/
+ * See CONTRIBUTORS.TXT for a full list of copyright holders.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * Neither the name of the OpenSimulator Project nor the
+ *       names of its contributors may be used to endorse or promote products
+ *       derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+using System;
+using System.Collections.Generic;
+using System.Reflection;
+using Nini.Config;
+using NUnit.Framework;
+using OpenMetaverse;
+using OpenSim.Framework;
+using OpenSim.Framework.Servers;
+using OpenSim.Region.Framework.Interfaces;
+using OpenSim.Region.CoreModules.Framework;
+using OpenSim.Region.CoreModules.Framework.EntityTransfer;
+using OpenSim.Region.CoreModules.ServiceConnectorsOut.Simulation;
+using OpenSim.Region.CoreModules.World.Permissions;
+using OpenSim.Tests.Common;
+
+namespace OpenSim.Region.Framework.Scenes.Tests
+{
+    [TestFixture]
+    public class ScenePresenceCrossingTests : OpenSimTestCase
+    {
+        [TestFixtureSetUp]
+        public void FixtureInit()
+        {
+            // Don't allow tests to be bamboozled by asynchronous events.  Execute everything on the same thread.
+            Util.FireAndForgetMethod = FireAndForgetMethod.RegressionTest;
+        }
+
+        [TestFixtureTearDown]
+        public void TearDown()
+        {
+            // We must set this back afterwards, otherwise later tests will fail since they're expecting multiple
+            // threads.  Possibly, later tests should be rewritten so none of them require async stuff (which regression
+            // tests really shouldn't).
+            Util.FireAndForgetMethod = Util.DefaultFireAndForgetMethod;
+        }
+
+        [Test]
+        public void TestCrossOnSameSimulator()
+        {
+            TestHelpers.InMethod();
+//            TestHelpers.EnableLogging();
+
+            UUID userId = TestHelpers.ParseTail(0x1);
+
+//            TestEventQueueGetModule eqmA = new TestEventQueueGetModule();
+            EntityTransferModule etmA = new EntityTransferModule();
+            EntityTransferModule etmB = new EntityTransferModule();
+            LocalSimulationConnectorModule lscm = new LocalSimulationConnectorModule();
+
+            IConfigSource config = new IniConfigSource();
+            IConfig modulesConfig = config.AddConfig("Modules");
+            modulesConfig.Set("EntityTransferModule", etmA.Name);
+            modulesConfig.Set("SimulationServices", lscm.Name);
+//            IConfig entityTransferConfig = config.AddConfig("EntityTransfer");
+
+            // In order to run a single threaded regression test we do not want the entity transfer module waiting
+            // for a callback from the destination scene before removing its avatar data.
+//            entityTransferConfig.Set("wait_for_callback", false);
+
+            SceneHelpers sh = new SceneHelpers();
+            TestScene sceneA = sh.SetupScene("sceneA", TestHelpers.ParseTail(0x100), 1000, 1000);
+            TestScene sceneB = sh.SetupScene("sceneB", TestHelpers.ParseTail(0x200), 1000, 999);
+
+            SceneHelpers.SetupSceneModules(new Scene[] { sceneA, sceneB }, config, lscm);
+            SceneHelpers.SetupSceneModules(sceneA, config, new CapabilitiesModule(), etmA);
+//            SceneHelpers.SetupSceneModules(sceneA, config, new CapabilitiesModule(), etmA, eqmA);
+            SceneHelpers.SetupSceneModules(sceneB, config, new CapabilitiesModule(), etmB);
+
+            AgentCircuitData acd = SceneHelpers.GenerateAgentData(userId);
+            TestClient tc = new TestClient(acd, sceneA);
+            List<TestClient> destinationTestClients = new List<TestClient>();
+            EntityTransferHelpers.SetupInformClientOfNeighbourTriggersNeighbourClientCreate(tc, destinationTestClients);
+
+            ScenePresence originalSp = SceneHelpers.AddScenePresence(sceneA, tc, acd);
+            originalSp.AbsolutePosition = new Vector3(128, 32, 10);
+
+//            originalSp.Flying = true;
+
+//            Console.WriteLine("First pos {0}", originalSp.AbsolutePosition);
+
+//            eqmA.ClearEvents();
+
+            AgentUpdateArgs moveArgs = new AgentUpdateArgs();
+            //moveArgs.BodyRotation = Quaternion.CreateFromEulers(Vector3.Zero);
+            moveArgs.BodyRotation = Quaternion.CreateFromEulers(new Vector3(0, 0, (float)-(Math.PI / 2)));
+            moveArgs.ControlFlags = (uint)AgentManager.ControlFlags.AGENT_CONTROL_AT_POS;
+            moveArgs.SessionID = acd.SessionID;
+
+            originalSp.HandleAgentUpdate(originalSp.ControllingClient, moveArgs);
+
+            sceneA.Update(1);
+
+//            Console.WriteLine("Second pos {0}", originalSp.AbsolutePosition);
+
+            // FIXME: This is a sufficient number of updates to for the presence to reach the northern border.
+            // But really we want to do this in a more robust way.
+            for (int i = 0; i < 100; i++)
+            {
+                sceneA.Update(1);
+//                Console.WriteLine("Pos {0}", originalSp.AbsolutePosition);
+            }
+
+            // Need to sort processing of EnableSimulator message on adding scene presences before we can test eqm
+            // messages
+//            Dictionary<UUID, List<TestEventQueueGetModule.Event>> eqmEvents = eqmA.Events;
+//
+//            Assert.That(eqmEvents.Count, Is.EqualTo(1));
+//            Assert.That(eqmEvents.ContainsKey(originalSp.UUID), Is.True);
+//
+//            List<TestEventQueueGetModule.Event> spEqmEvents = eqmEvents[originalSp.UUID];
+//
+//            Assert.That(spEqmEvents.Count, Is.EqualTo(1));
+//            Assert.That(spEqmEvents[0].Name, Is.EqualTo("CrossRegion"));
+
+            // sceneA should now only have a child agent
+            ScenePresence spAfterCrossSceneA = sceneA.GetScenePresence(originalSp.UUID);
+            Assert.That(spAfterCrossSceneA.IsChildAgent, Is.True);
+
+            ScenePresence spAfterCrossSceneB = sceneB.GetScenePresence(originalSp.UUID);
+
+            // Agent remains a child until the client triggers complete movement
+            Assert.That(spAfterCrossSceneB.IsChildAgent, Is.True);
+
+            TestClient sceneBTc = ((TestClient)spAfterCrossSceneB.ControllingClient);
+
+            int agentMovementCompleteReceived = 0;
+            sceneBTc.OnReceivedMoveAgentIntoRegion += (ri, pos, look) => agentMovementCompleteReceived++;
+
+            sceneBTc.CompleteMovement();
+
+            Assert.That(agentMovementCompleteReceived, Is.EqualTo(1));
+            Assert.That(spAfterCrossSceneB.IsChildAgent, Is.False);
+        }
+
+        /// <summary>
+        /// Test a cross attempt where the user can see into the neighbour but does not have permission to become
+        /// root there.
+        /// </summary>
+        [Test]
+        public void TestCrossOnSameSimulatorNoRootDestPerm()
+        {
+            TestHelpers.InMethod();
+//            TestHelpers.EnableLogging();
+
+            UUID userId = TestHelpers.ParseTail(0x1);
+
+            EntityTransferModule etmA = new EntityTransferModule();
+            EntityTransferModule etmB = new EntityTransferModule();
+            LocalSimulationConnectorModule lscm = new LocalSimulationConnectorModule();
+
+            IConfigSource config = new IniConfigSource();
+            IConfig modulesConfig = config.AddConfig("Modules");
+            modulesConfig.Set("EntityTransferModule", etmA.Name);
+            modulesConfig.Set("SimulationServices", lscm.Name);
+
+            SceneHelpers sh = new SceneHelpers();
+            TestScene sceneA = sh.SetupScene("sceneA", TestHelpers.ParseTail(0x100), 1000, 1000);
+            TestScene sceneB = sh.SetupScene("sceneB", TestHelpers.ParseTail(0x200), 1000, 999);
+
+            SceneHelpers.SetupSceneModules(new Scene[] { sceneA, sceneB }, config, lscm);
+            SceneHelpers.SetupSceneModules(sceneA, config, new CapabilitiesModule(), etmA);
+
+            // We need to set up the permisions module on scene B so that our later use of agent limit to deny
+            // QueryAccess won't succeed anyway because administrators are always allowed in and the default
+            // IsAdministrator if no permissions module is present is true.
+            SceneHelpers.SetupSceneModules(sceneB, config, new CapabilitiesModule(), new PermissionsModule(), etmB);
+
+            AgentCircuitData acd = SceneHelpers.GenerateAgentData(userId);
+            TestClient tc = new TestClient(acd, sceneA);
+            List<TestClient> destinationTestClients = new List<TestClient>();
+            EntityTransferHelpers.SetupInformClientOfNeighbourTriggersNeighbourClientCreate(tc, destinationTestClients);
+
+            // Make sure sceneB will not accept this avatar.
+            sceneB.RegionInfo.EstateSettings.PublicAccess = false;
+
+            ScenePresence originalSp = SceneHelpers.AddScenePresence(sceneA, tc, acd);
+            originalSp.AbsolutePosition = new Vector3(128, 32, 10);
+
+            AgentUpdateArgs moveArgs = new AgentUpdateArgs();
+            //moveArgs.BodyRotation = Quaternion.CreateFromEulers(Vector3.Zero);
+            moveArgs.BodyRotation = Quaternion.CreateFromEulers(new Vector3(0, 0, (float)-(Math.PI / 2)));
+            moveArgs.ControlFlags = (uint)AgentManager.ControlFlags.AGENT_CONTROL_AT_POS;
+            moveArgs.SessionID = acd.SessionID;
+
+            originalSp.HandleAgentUpdate(originalSp.ControllingClient, moveArgs);
+
+            sceneA.Update(1);
+
+//            Console.WriteLine("Second pos {0}", originalSp.AbsolutePosition);
+
+            // FIXME: This is a sufficient number of updates to for the presence to reach the northern border.
+            // But really we want to do this in a more robust way.
+            for (int i = 0; i < 100; i++)
+            {
+                sceneA.Update(1);
+//                Console.WriteLine("Pos {0}", originalSp.AbsolutePosition);
+            }
+
+            // sceneA agent should still be root
+            ScenePresence spAfterCrossSceneA = sceneA.GetScenePresence(originalSp.UUID);
+            Assert.That(spAfterCrossSceneA.IsChildAgent, Is.False);
+
+            ScenePresence spAfterCrossSceneB = sceneB.GetScenePresence(originalSp.UUID);
+
+            // sceneB agent should also still be root
+            Assert.That(spAfterCrossSceneB.IsChildAgent, Is.True);
+
+            // sceneB should ignore unauthorized attempt to upgrade agent to root
+            TestClient sceneBTc = ((TestClient)spAfterCrossSceneB.ControllingClient);
+
+            int agentMovementCompleteReceived = 0;
+            sceneBTc.OnReceivedMoveAgentIntoRegion += (ri, pos, look) => agentMovementCompleteReceived++;
+
+            sceneBTc.CompleteMovement();
+
+            Assert.That(agentMovementCompleteReceived, Is.EqualTo(0));
+            Assert.That(spAfterCrossSceneB.IsChildAgent, Is.True);
+        }
+    }
+}
\ No newline at end of file
diff --git a/OpenSim/Region/Framework/Scenes/Tests/ScenePresenceSitTests.cs b/OpenSim/Region/Framework/Scenes/Tests/ScenePresenceSitTests.cs
index acaeb90..b232a44 100644
--- a/OpenSim/Region/Framework/Scenes/Tests/ScenePresenceSitTests.cs
+++ b/OpenSim/Region/Framework/Scenes/Tests/ScenePresenceSitTests.cs
@@ -32,12 +32,10 @@ using Nini.Config;
 using NUnit.Framework;
 using OpenMetaverse;
 using OpenSim.Framework;
-using OpenSim.Framework.Communications;
 using OpenSim.Framework.Servers;
 using OpenSim.Region.Framework.Interfaces;
 using OpenSim.Region.CoreModules.ServiceConnectorsOut.Simulation;
 using OpenSim.Tests.Common;
-using OpenSim.Tests.Common.Mock;
 using System.Threading;
 
 namespace OpenSim.Region.Framework.Scenes.Tests
@@ -73,6 +71,7 @@ namespace OpenSim.Region.Framework.Scenes.Tests
             Assert.That(part.GetSittingAvatarsCount(), Is.EqualTo(0));
             Assert.That(part.GetSittingAvatars(), Is.Null);
             Assert.That(m_sp.ParentID, Is.EqualTo(0));
+            Assert.AreEqual(startPos, m_sp.AbsolutePosition);
         }
 
         [Test]
@@ -87,15 +86,21 @@ namespace OpenSim.Region.Framework.Scenes.Tests
 
             SceneObjectPart part = SceneHelpers.AddSceneObject(m_scene).RootPart;
 
+            // We need to preserve this here because phys actor is removed by the sit.
+            Vector3 spPhysActorSize = m_sp.PhysicsActor.Size;
             m_sp.HandleAgentRequestSit(m_sp.ControllingClient, m_sp.UUID, part.UUID, Vector3.Zero);
 
             Assert.That(m_sp.PhysicsActor, Is.Null);
 
+            Assert.That(
+                m_sp.AbsolutePosition,
+                Is.EqualTo(part.AbsolutePosition + new Vector3(0, 0, spPhysActorSize.Z / 2)));
+
             Assert.That(part.SitTargetAvatar, Is.EqualTo(UUID.Zero));
             Assert.That(part.GetSittingAvatarsCount(), Is.EqualTo(1));
-            HashSet<UUID> sittingAvatars = part.GetSittingAvatars();
+            HashSet<ScenePresence> sittingAvatars = part.GetSittingAvatars();
             Assert.That(sittingAvatars.Count, Is.EqualTo(1));
-            Assert.That(sittingAvatars.Contains(m_sp.UUID));
+            Assert.That(sittingAvatars.Contains(m_sp));
             Assert.That(m_sp.ParentID, Is.EqualTo(part.LocalId));
         }
 
@@ -111,15 +116,43 @@ namespace OpenSim.Region.Framework.Scenes.Tests
 
             SceneObjectPart part = SceneHelpers.AddSceneObject(m_scene).RootPart;
 
+            // We need to preserve this here because phys actor is removed by the sit.
+            Vector3 spPhysActorSize = m_sp.PhysicsActor.Size;
+            m_sp.HandleAgentRequestSit(m_sp.ControllingClient, m_sp.UUID, part.UUID, Vector3.Zero);
+
+            Assert.That(
+                m_sp.AbsolutePosition,
+                Is.EqualTo(part.AbsolutePosition + new Vector3(0, 0, spPhysActorSize.Z / 2)));
+
+            m_sp.StandUp();
+
+            Assert.That(part.SitTargetAvatar, Is.EqualTo(UUID.Zero));
+            Assert.That(part.GetSittingAvatarsCount(), Is.EqualTo(0));
+            Assert.That(part.GetSittingAvatars(), Is.Null);
+            Assert.That(m_sp.ParentID, Is.EqualTo(0));
+            Assert.That(m_sp.PhysicsActor, Is.Not.Null);
+        }
+
+        [Test]
+        public void TestSitAndStandWithNoSitTargetChildPrim()
+        {
+            TestHelpers.InMethod();
+//            log4net.Config.XmlConfigurator.Configure();
+
+            // Make sure we're within range to sit
+            Vector3 startPos = new Vector3(1, 1, 1);
+            m_sp.AbsolutePosition = startPos;
+
+            SceneObjectPart part = SceneHelpers.AddSceneObject(m_scene, 2, m_sp.UUID, "part", 0x10).Parts[1];
+            part.OffsetPosition = new Vector3(2, 3, 4);
+
+            // We need to preserve this here because phys actor is removed by the sit.
+            Vector3 spPhysActorSize = m_sp.PhysicsActor.Size;
             m_sp.HandleAgentRequestSit(m_sp.ControllingClient, m_sp.UUID, part.UUID, Vector3.Zero);
 
-            // FIXME: This is different for live avatars - z position is adjusted.  This is half the height of the
-            // default avatar.
-            // Curiously, Vector3.ToString() will not display the last two places of the float.  For example,
-            // printing out npc.AbsolutePosition will give <0, 0, 0.8454993> not <0, 0, 0.845499337>
             Assert.That(
                 m_sp.AbsolutePosition,
-                Is.EqualTo(part.AbsolutePosition + new Vector3(0, 0, 0.845499337f)));
+                Is.EqualTo(part.AbsolutePosition + new Vector3(0, 0, spPhysActorSize.Z / 2)));
 
             m_sp.StandUp();
 
@@ -147,15 +180,39 @@ namespace OpenSim.Region.Framework.Scenes.Tests
 
             Assert.That(part.SitTargetAvatar, Is.EqualTo(m_sp.UUID));
             Assert.That(m_sp.ParentID, Is.EqualTo(part.LocalId));
+
+            // This section is copied from ScenePresence.HandleAgentSit().  Correctness is not guaranteed.
+            double x, y, z, m1, m2;
+
+            Quaternion r = part.SitTargetOrientation;;
+            m1 = r.X * r.X + r.Y * r.Y;
+            m2 = r.Z * r.Z + r.W * r.W;
+
+            // Rotate the vector <0, 0, 1>
+            x = 2 * (r.X * r.Z + r.Y * r.W);
+            y = 2 * (-r.X * r.W + r.Y * r.Z);
+            z = m2 - m1;
+
+            // Set m to be the square of the norm of r.
+            double m = m1 + m2;
+
+            // This constant is emperically determined to be what is used in SL.
+            // See also http://opensimulator.org/mantis/view.php?id=7096
+            double offset = 0.05;
+
+            Vector3 up = new Vector3((float)x, (float)y, (float)z);
+            Vector3 sitOffset = up * (float)offset;
+            // End of copied section.
+
             Assert.That(
                 m_sp.AbsolutePosition,
-                Is.EqualTo(part.AbsolutePosition + part.SitTargetPosition + ScenePresence.SIT_TARGET_ADJUSTMENT));
+                Is.EqualTo(part.AbsolutePosition + part.SitTargetPosition - sitOffset + ScenePresence.SIT_TARGET_ADJUSTMENT));
             Assert.That(m_sp.PhysicsActor, Is.Null);
 
             Assert.That(part.GetSittingAvatarsCount(), Is.EqualTo(1));
-            HashSet<UUID> sittingAvatars = part.GetSittingAvatars();
+            HashSet<ScenePresence> sittingAvatars = part.GetSittingAvatars();
             Assert.That(sittingAvatars.Count, Is.EqualTo(1));
-            Assert.That(sittingAvatars.Contains(m_sp.UUID));
+            Assert.That(sittingAvatars.Contains(m_sp));
 
             m_sp.StandUp();
 
diff --git a/OpenSim/Region/Framework/Scenes/Tests/ScenePresenceTeleportTests.cs b/OpenSim/Region/Framework/Scenes/Tests/ScenePresenceTeleportTests.cs
index 8dd1f3d..443ec51 100644
--- a/OpenSim/Region/Framework/Scenes/Tests/ScenePresenceTeleportTests.cs
+++ b/OpenSim/Region/Framework/Scenes/Tests/ScenePresenceTeleportTests.cs
@@ -26,12 +26,15 @@
  */
 
 using System;
-using System.Reflection;
+using System.Collections.Generic;
+using System.IO;
+using System.Net;
+using System.Text;
+using System.Threading;
 using Nini.Config;
 using NUnit.Framework;
 using OpenMetaverse;
 using OpenSim.Framework;
-using OpenSim.Framework.Communications;
 using OpenSim.Framework.Servers;
 using OpenSim.Region.Framework.Interfaces;
 using OpenSim.Region.CoreModules.Framework;
@@ -39,9 +42,6 @@ using OpenSim.Region.CoreModules.Framework.EntityTransfer;
 using OpenSim.Region.CoreModules.ServiceConnectorsOut.Simulation;
 using OpenSim.Region.CoreModules.World.Permissions;
 using OpenSim.Tests.Common;
-using OpenSim.Tests.Common.Mock;
-using System.IO;
-using System.Text;
 
 namespace OpenSim.Region.Framework.Scenes.Tests
 {
@@ -68,7 +68,7 @@ namespace OpenSim.Region.Framework.Scenes.Tests
         }
 
         [Test]
-        public void TestSameRegionTeleport()
+        public void TestSameRegion()
         {
             TestHelpers.InMethod();
 //            log4net.Config.XmlConfigurator.Configure();
@@ -105,11 +105,12 @@ namespace OpenSim.Region.Framework.Scenes.Tests
 //            Assert.That(sp.Lookat, Is.EqualTo(teleportLookAt));
         }
 
+/*
         [Test]
-        public void TestSameSimulatorSeparatedRegionsTeleport()
+        public void TestSameSimulatorIsolatedRegionsV1()
         {
             TestHelpers.InMethod();
-//            log4net.Config.XmlConfigurator.Configure();
+//            TestHelpers.EnableLogging();
 
             UUID userId = TestHelpers.ParseTail(0x1);
 
@@ -135,15 +136,18 @@ namespace OpenSim.Region.Framework.Scenes.Tests
             SceneHelpers.SetupSceneModules(sceneB, config, etmB);
             SceneHelpers.SetupSceneModules(new Scene[] { sceneA, sceneB }, config, lscm);
 
+            // FIXME: Hack - this is here temporarily to revert back to older entity transfer behaviour
+            lscm.ServiceVersion = 0.1f;
+
             Vector3 teleportPosition = new Vector3(10, 11, 12);
             Vector3 teleportLookAt = new Vector3(20, 21, 22);
 
-            ScenePresence sp = SceneHelpers.AddScenePresence(sceneA, userId, sh.SceneManager);
+            ScenePresence sp = SceneHelpers.AddScenePresence(sceneA, userId);
             sp.AbsolutePosition = new Vector3(30, 31, 32);
 
-            // XXX: A very nasty hack to tell the client about the destination scene without having to crank the whole
-            // UDP stack (?)
-//            ((TestClient)sp.ControllingClient).TeleportTargetScene = sceneB;
+            List<TestClient> destinationTestClients = new List<TestClient>();
+            EntityTransferHelpers.SetupInformClientOfNeighbourTriggersNeighbourClientCreate(
+                (TestClient)sp.ControllingClient, destinationTestClients);
 
             sceneA.RequestTeleportLocation(
                 sp.ControllingClient,
@@ -152,7 +156,72 @@ namespace OpenSim.Region.Framework.Scenes.Tests
                 teleportLookAt,
                 (uint)TeleportFlags.ViaLocation);
 
-            ((TestClient)sp.ControllingClient).CompleteTeleportClientSide();
+            // SetupInformClientOfNeighbour() will have handled the callback into the target scene to setup the child
+            // agent.  This call will now complete the movement of the user into the destination and upgrade the agent
+            // from child to root.
+            destinationTestClients[0].CompleteMovement();
+
+            Assert.That(sceneA.GetScenePresence(userId), Is.Null);
+
+            ScenePresence sceneBSp = sceneB.GetScenePresence(userId);
+            Assert.That(sceneBSp, Is.Not.Null);
+            Assert.That(sceneBSp.Scene.RegionInfo.RegionName, Is.EqualTo(sceneB.RegionInfo.RegionName));
+            Assert.That(sceneBSp.AbsolutePosition, Is.EqualTo(teleportPosition));
+
+            Assert.That(sceneA.GetRootAgentCount(), Is.EqualTo(0));
+            Assert.That(sceneA.GetChildAgentCount(), Is.EqualTo(0));
+            Assert.That(sceneB.GetRootAgentCount(), Is.EqualTo(1));
+            Assert.That(sceneB.GetChildAgentCount(), Is.EqualTo(0));
+
+            // TODO: Add assertions to check correct circuit details in both scenes.
+
+            // Lookat is sent to the client only - sp.Lookat does not yield the same thing (calculation from camera
+            // position instead).
+//            Assert.That(sp.Lookat, Is.EqualTo(teleportLookAt));
+        }
+*/
+
+        [Test]
+        public void TestSameSimulatorIsolatedRegionsV2()
+        {
+            TestHelpers.InMethod();
+//            TestHelpers.EnableLogging();
+
+            UUID userId = TestHelpers.ParseTail(0x1);
+
+            EntityTransferModule etmA = new EntityTransferModule();
+            EntityTransferModule etmB = new EntityTransferModule();
+            LocalSimulationConnectorModule lscm = new LocalSimulationConnectorModule();
+
+            IConfigSource config = new IniConfigSource();
+            IConfig modulesConfig = config.AddConfig("Modules");
+            modulesConfig.Set("EntityTransferModule", etmA.Name);
+            modulesConfig.Set("SimulationServices", lscm.Name);
+
+            SceneHelpers sh = new SceneHelpers();
+            TestScene sceneA = sh.SetupScene("sceneA", TestHelpers.ParseTail(0x100), 1000, 1000);
+            TestScene sceneB = sh.SetupScene("sceneB", TestHelpers.ParseTail(0x200), 1002, 1000);
+
+            SceneHelpers.SetupSceneModules(sceneA, config, etmA);
+            SceneHelpers.SetupSceneModules(sceneB, config, etmB);
+            SceneHelpers.SetupSceneModules(new Scene[] { sceneA, sceneB }, config, lscm);
+
+            Vector3 teleportPosition = new Vector3(10, 11, 12);
+            Vector3 teleportLookAt = new Vector3(20, 21, 22);
+
+            ScenePresence sp = SceneHelpers.AddScenePresence(sceneA, userId);
+            sp.AbsolutePosition = new Vector3(30, 31, 32);
+
+            List<TestClient> destinationTestClients = new List<TestClient>();
+            EntityTransferHelpers.SetupSendRegionTeleportTriggersDestinationClientCreateAndCompleteMovement(
+                (TestClient)sp.ControllingClient, destinationTestClients);
+
+            sceneA.RequestTeleportLocation(
+                sp.ControllingClient,
+                sceneB.RegionInfo.RegionHandle,
+                teleportPosition,
+                teleportLookAt,
+                (uint)TeleportFlags.ViaLocation);
 
             Assert.That(sceneA.GetScenePresence(userId), Is.Null);
 
@@ -177,7 +246,7 @@ namespace OpenSim.Region.Framework.Scenes.Tests
         /// Test teleport procedures when the target simulator returns false when queried about access.
         /// </summary>
         [Test]
-        public void TestSameSimulatorSeparatedRegionsQueryAccessFails()
+        public void TestSameSimulatorIsolatedRegions_DeniedOnQueryAccess()
         {
             TestHelpers.InMethod();
 //            TestHelpers.EnableLogging();
@@ -221,7 +290,7 @@ namespace OpenSim.Region.Framework.Scenes.Tests
             Vector3 teleportPosition = new Vector3(10, 11, 12);
             Vector3 teleportLookAt = new Vector3(20, 21, 22);
 
-            ScenePresence sp = SceneHelpers.AddScenePresence(sceneA, userId, sh.SceneManager);
+            ScenePresence sp = SceneHelpers.AddScenePresence(sceneA, userId);
             sp.AbsolutePosition = preTeleportPosition;
 
             // Make sceneB return false on query access
@@ -261,7 +330,7 @@ namespace OpenSim.Region.Framework.Scenes.Tests
         /// Test teleport procedures when the target simulator create agent step is refused.
         /// </summary>
         [Test]
-        public void TestSameSimulatorSeparatedRegionsCreateAgentFails()
+        public void TestSameSimulatorIsolatedRegions_DeniedOnCreateAgent()
         {
             TestHelpers.InMethod();
 //            TestHelpers.EnableLogging();
@@ -297,7 +366,7 @@ namespace OpenSim.Region.Framework.Scenes.Tests
             Vector3 teleportPosition = new Vector3(10, 11, 12);
             Vector3 teleportLookAt = new Vector3(20, 21, 22);
 
-            ScenePresence sp = SceneHelpers.AddScenePresence(sceneA, userId, sh.SceneManager);
+            ScenePresence sp = SceneHelpers.AddScenePresence(sceneA, userId);
             sp.AbsolutePosition = preTeleportPosition;
 
             // Make sceneB refuse CreateAgent
@@ -333,8 +402,97 @@ namespace OpenSim.Region.Framework.Scenes.Tests
 //            TestHelpers.DisableLogging();
         }
 
+        /// <summary>
+        /// Test teleport when the destination region does not process (or does not receive) the connection attempt
+        /// from the viewer.
+        /// </summary>
+        /// <remarks>
+        /// This could be quite a common case where the source region can connect to a remove destination region
+        /// (for CreateAgent) but the viewer cannot reach the destination region due to network issues.
+        /// </remarks>
         [Test]
-        public void TestSameSimulatorNeighbouringRegionsTeleport()
+        public void TestSameSimulatorIsolatedRegions_DestinationDidNotProcessViewerConnection()
+        {
+            TestHelpers.InMethod();
+//            TestHelpers.EnableLogging();
+
+            UUID userId = TestHelpers.ParseTail(0x1);
+            Vector3 preTeleportPosition = new Vector3(30, 31, 32);
+
+            EntityTransferModule etmA = new EntityTransferModule();
+            EntityTransferModule etmB = new EntityTransferModule();
+
+            LocalSimulationConnectorModule lscm = new LocalSimulationConnectorModule();
+
+            IConfigSource config = new IniConfigSource();
+            config.AddConfig("Modules");
+            config.Configs["Modules"].Set("EntityTransferModule", etmA.Name);
+            config.Configs["Modules"].Set("SimulationServices", lscm.Name);
+
+            config.AddConfig("EntityTransfer");
+
+            // In order to run a single threaded regression test we do not want the entity transfer module waiting
+            // for a callback from the destination scene before removing its avatar data.
+            config.Configs["EntityTransfer"].Set("wait_for_callback", false);
+
+//            config.AddConfig("Startup");
+//            config.Configs["Startup"].Set("serverside_object_permissions", true);
+
+            SceneHelpers sh = new SceneHelpers();
+            TestScene sceneA = sh.SetupScene("sceneA", TestHelpers.ParseTail(0x100), 1000, 1000);
+            TestScene sceneB = sh.SetupScene("sceneB", TestHelpers.ParseTail(0x200), 1002, 1000);
+
+            SceneHelpers.SetupSceneModules(sceneA, config, etmA );
+
+            // We need to set up the permisions module on scene B so that our later use of agent limit to deny
+            // QueryAccess won't succeed anyway because administrators are always allowed in and the default
+            // IsAdministrator if no permissions module is present is true.
+            SceneHelpers.SetupSceneModules(sceneB, config, new object[] { new PermissionsModule(), etmB });
+
+            // Shared scene modules
+            SceneHelpers.SetupSceneModules(new Scene[] { sceneA, sceneB }, config, lscm);
+
+            Vector3 teleportPosition = new Vector3(10, 11, 12);
+            Vector3 teleportLookAt = new Vector3(20, 21, 22);
+
+            ScenePresence sp = SceneHelpers.AddScenePresence(sceneA, userId);
+            sp.AbsolutePosition = preTeleportPosition;
+
+            sceneA.RequestTeleportLocation(
+                sp.ControllingClient,
+                sceneB.RegionInfo.RegionHandle,
+                teleportPosition,
+                teleportLookAt,
+                (uint)TeleportFlags.ViaLocation);
+
+            // FIXME: Not setting up InformClientOfNeighbour on the TestClient means that it does not initiate 
+            // communication with the destination region.  But this is a very non-obvious way of doing it - really we
+            // should be forced to expicitly set this up.
+
+            Assert.That(sceneB.GetScenePresence(userId), Is.Null);
+
+            ScenePresence sceneASp = sceneA.GetScenePresence(userId);
+            Assert.That(sceneASp, Is.Not.Null);
+            Assert.That(sceneASp.Scene.RegionInfo.RegionName, Is.EqualTo(sceneA.RegionInfo.RegionName));
+            Assert.That(sceneASp.AbsolutePosition, Is.EqualTo(preTeleportPosition));
+
+            Assert.That(sceneA.GetRootAgentCount(), Is.EqualTo(1));
+            Assert.That(sceneA.GetChildAgentCount(), Is.EqualTo(0));
+            Assert.That(sceneB.GetRootAgentCount(), Is.EqualTo(0));
+            Assert.That(sceneB.GetChildAgentCount(), Is.EqualTo(0));
+
+            // TODO: Add assertions to check correct circuit details in both scenes.
+
+            // Lookat is sent to the client only - sp.Lookat does not yield the same thing (calculation from camera
+            // position instead).
+//            Assert.That(sp.Lookat, Is.EqualTo(teleportLookAt));
+
+//            TestHelpers.DisableLogging();
+        }
+
+/*
+        [Test]
+        public void TestSameSimulatorNeighbouringRegionsV1()
         {
             TestHelpers.InMethod();
 //            TestHelpers.EnableLogging();
@@ -363,13 +521,20 @@ namespace OpenSim.Region.Framework.Scenes.Tests
             SceneHelpers.SetupSceneModules(sceneA, config, new CapabilitiesModule(), etmA);
             SceneHelpers.SetupSceneModules(sceneB, config, new CapabilitiesModule(), etmB);
 
+            // FIXME: Hack - this is here temporarily to revert back to older entity transfer behaviour
+            lscm.ServiceVersion = 0.1f;
+
             Vector3 teleportPosition = new Vector3(10, 11, 12);
             Vector3 teleportLookAt = new Vector3(20, 21, 22);
 
-            ScenePresence originalSp = SceneHelpers.AddScenePresence(sceneA, userId, sh.SceneManager);
-            originalSp.AbsolutePosition = new Vector3(30, 31, 32);
+            AgentCircuitData acd = SceneHelpers.GenerateAgentData(userId);
+            TestClient tc = new TestClient(acd, sceneA);
+            List<TestClient> destinationTestClients = new List<TestClient>();
+            EntityTransferHelpers.SetupInformClientOfNeighbourTriggersNeighbourClientCreate(tc, destinationTestClients);
+
+            ScenePresence beforeSceneASp = SceneHelpers.AddScenePresence(sceneA, tc, acd);
+            beforeSceneASp.AbsolutePosition = new Vector3(30, 31, 32);
 
-            ScenePresence beforeSceneASp = sceneA.GetScenePresence(userId);
             Assert.That(beforeSceneASp, Is.Not.Null);
             Assert.That(beforeSceneASp.IsChildAgent, Is.False);
 
@@ -377,10 +542,8 @@ namespace OpenSim.Region.Framework.Scenes.Tests
             Assert.That(beforeSceneBSp, Is.Not.Null);
             Assert.That(beforeSceneBSp.IsChildAgent, Is.True);
 
-            // XXX: A very nasty hack to tell the client about the destination scene without having to crank the whole
-            // UDP stack (?)
-//            ((TestClient)beforeSceneASp.ControllingClient).TeleportTargetScene = sceneB;
-
+            // In this case, we will not receieve a second InformClientOfNeighbour since the viewer already knows
+            // about the neighbour region it is teleporting to.
             sceneA.RequestTeleportLocation(
                 beforeSceneASp.ControllingClient,
                 sceneB.RegionInfo.RegionHandle,
@@ -388,7 +551,92 @@ namespace OpenSim.Region.Framework.Scenes.Tests
                 teleportLookAt,
                 (uint)TeleportFlags.ViaLocation);
 
-            ((TestClient)beforeSceneASp.ControllingClient).CompleteTeleportClientSide();
+            destinationTestClients[0].CompleteMovement();
+
+            ScenePresence afterSceneASp = sceneA.GetScenePresence(userId);
+            Assert.That(afterSceneASp, Is.Not.Null);
+            Assert.That(afterSceneASp.IsChildAgent, Is.True);
+
+            ScenePresence afterSceneBSp = sceneB.GetScenePresence(userId);
+            Assert.That(afterSceneBSp, Is.Not.Null);
+            Assert.That(afterSceneBSp.IsChildAgent, Is.False);
+            Assert.That(afterSceneBSp.Scene.RegionInfo.RegionName, Is.EqualTo(sceneB.RegionInfo.RegionName));
+            Assert.That(afterSceneBSp.AbsolutePosition, Is.EqualTo(teleportPosition));
+
+            Assert.That(sceneA.GetRootAgentCount(), Is.EqualTo(0));
+            Assert.That(sceneA.GetChildAgentCount(), Is.EqualTo(1));
+            Assert.That(sceneB.GetRootAgentCount(), Is.EqualTo(1));
+            Assert.That(sceneB.GetChildAgentCount(), Is.EqualTo(0));
+
+            // TODO: Add assertions to check correct circuit details in both scenes.
+
+            // Lookat is sent to the client only - sp.Lookat does not yield the same thing (calculation from camera
+            // position instead).
+//            Assert.That(sp.Lookat, Is.EqualTo(teleportLookAt));
+
+//            TestHelpers.DisableLogging();
+        }
+*/
+
+        [Test]
+        public void TestSameSimulatorNeighbouringRegionsV2()
+        {
+            TestHelpers.InMethod();
+//            TestHelpers.EnableLogging();
+
+            UUID userId = TestHelpers.ParseTail(0x1);
+
+            EntityTransferModule etmA = new EntityTransferModule();
+            EntityTransferModule etmB = new EntityTransferModule();
+            LocalSimulationConnectorModule lscm = new LocalSimulationConnectorModule();
+
+            IConfigSource config = new IniConfigSource();
+            IConfig modulesConfig = config.AddConfig("Modules");
+            modulesConfig.Set("EntityTransferModule", etmA.Name);
+            modulesConfig.Set("SimulationServices", lscm.Name);
+
+            SceneHelpers sh = new SceneHelpers();
+            TestScene sceneA = sh.SetupScene("sceneA", TestHelpers.ParseTail(0x100), 1000, 1000);
+            TestScene sceneB = sh.SetupScene("sceneB", TestHelpers.ParseTail(0x200), 1001, 1000);
+
+            SceneHelpers.SetupSceneModules(new Scene[] { sceneA, sceneB }, config, lscm);
+            SceneHelpers.SetupSceneModules(sceneA, config, new CapabilitiesModule(), etmA);
+            SceneHelpers.SetupSceneModules(sceneB, config, new CapabilitiesModule(), etmB);
+
+            Vector3 teleportPosition = new Vector3(10, 11, 12);
+            Vector3 teleportLookAt = new Vector3(20, 21, 22);
+
+            AgentCircuitData acd = SceneHelpers.GenerateAgentData(userId);
+            TestClient tc = new TestClient(acd, sceneA);
+            List<TestClient> destinationTestClients = new List<TestClient>();
+            EntityTransferHelpers.SetupInformClientOfNeighbourTriggersNeighbourClientCreate(tc, destinationTestClients);
+
+            ScenePresence beforeSceneASp = SceneHelpers.AddScenePresence(sceneA, tc, acd);
+            beforeSceneASp.AbsolutePosition = new Vector3(30, 31, 32);
+
+            Assert.That(beforeSceneASp, Is.Not.Null);
+            Assert.That(beforeSceneASp.IsChildAgent, Is.False);
+
+            ScenePresence beforeSceneBSp = sceneB.GetScenePresence(userId);
+            Assert.That(beforeSceneBSp, Is.Not.Null);
+            Assert.That(beforeSceneBSp.IsChildAgent, Is.True);
+
+            // Here, we need to make clientA's receipt of SendRegionTeleport trigger clientB's CompleteMovement().  This
+            // is to operate the teleport V2 mechanism where the EntityTransferModule will first request the client to
+            // CompleteMovement to the region and then call UpdateAgent to the destination region to confirm the receipt
+            // Both these operations will occur on different threads and will wait for each other.
+            // We have to do this via ThreadPool directly since FireAndForget has been switched to sync for the V1
+            // test protocol, where we are trying to avoid unpredictable async operations in regression tests.
+            tc.OnTestClientSendRegionTeleport 
+                += (regionHandle, simAccess, regionExternalEndPoint, locationID, flags, capsURL) 
+                    => ThreadPool.UnsafeQueueUserWorkItem(o => destinationTestClients[0].CompleteMovement(), null);
+
+            sceneA.RequestTeleportLocation(
+                beforeSceneASp.ControllingClient,
+                sceneB.RegionInfo.RegionHandle,
+                teleportPosition,
+                teleportLookAt,
+                (uint)TeleportFlags.ViaLocation);
 
             ScenePresence afterSceneASp = sceneA.GetScenePresence(userId);
             Assert.That(afterSceneASp, Is.Not.Null);
@@ -414,4 +662,4 @@ namespace OpenSim.Region.Framework.Scenes.Tests
 //            TestHelpers.DisableLogging();
         }
     }
-}
\ No newline at end of file
+}
diff --git a/OpenSim/Region/Framework/Scenes/Tests/SceneStatisticsTests.cs b/OpenSim/Region/Framework/Scenes/Tests/SceneStatisticsTests.cs
new file mode 100644
index 0000000..045fd3c
--- /dev/null
+++ b/OpenSim/Region/Framework/Scenes/Tests/SceneStatisticsTests.cs
@@ -0,0 +1,69 @@
+/*
+ * Copyright (c) Contributors, http://opensimulator.org/
+ * See CONTRIBUTORS.TXT for a full list of copyright holders.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * Neither the name of the OpenSimulator Project nor the
+ *       names of its contributors may be used to endorse or promote products
+ *       derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+using System;
+using System.Collections.Generic;
+using System.Reflection;
+using NUnit.Framework;
+using OpenMetaverse;
+using OpenSim.Framework;
+using OpenSim.Region.Framework.Scenes;
+using OpenSim.Tests.Common;
+
+namespace OpenSim.Region.Framework.Scenes.Tests
+{
+    [TestFixture]
+    public class SceneStatisticsTests : OpenSimTestCase
+    {
+        private TestScene m_scene;
+
+        [SetUp]
+        public void Init()
+        {
+            m_scene = new SceneHelpers().SetupScene();
+        }
+
+        [Test]
+        public void TestAddRemovePhysicalLinkset()
+        {
+            Assert.That(m_scene.SceneGraph.GetActiveObjectsCount(), Is.EqualTo(0));
+
+            UUID ownerId = TestHelpers.ParseTail(0x1);
+            SceneObjectGroup so1 = SceneHelpers.CreateSceneObject(3, ownerId, "so1", 0x10);
+            so1.ScriptSetPhysicsStatus(true);
+            m_scene.AddSceneObject(so1);
+
+            Assert.That(m_scene.SceneGraph.GetTotalObjectsCount(), Is.EqualTo(3));
+            Assert.That(m_scene.SceneGraph.GetActiveObjectsCount(), Is.EqualTo(3));
+
+            m_scene.DeleteSceneObject(so1, false);
+
+            Assert.That(m_scene.SceneGraph.GetTotalObjectsCount(), Is.EqualTo(0));
+            Assert.That(m_scene.SceneGraph.GetActiveObjectsCount(), Is.EqualTo(0));
+        }
+    }
+}
\ No newline at end of file
diff --git a/OpenSim/Region/Framework/Scenes/Tests/SceneTelehubTests.cs b/OpenSim/Region/Framework/Scenes/Tests/SceneTelehubTests.cs
new file mode 100644
index 0000000..584a03c
--- /dev/null
+++ b/OpenSim/Region/Framework/Scenes/Tests/SceneTelehubTests.cs
@@ -0,0 +1,118 @@
+/*
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * Neither the name of the OpenSimulator Project nor the
+ *       names of its contributors may be used to endorse or promote products
+ *       derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+using System;
+using Nini.Config;
+using NUnit.Framework;
+using OpenMetaverse;
+using OpenSim.Framework;
+using OpenSim.Region.CoreModules.World.Estate;
+using OpenSim.Region.Framework.Scenes;
+using OpenSim.Region.Framework.Interfaces;
+using OpenSim.Services.Interfaces;
+using OpenSim.Tests.Common;
+
+namespace OpenSim.Region.Framework.Scenes.Tests
+{
+    /// <summary>
+    /// Scene telehub tests
+    /// </summary>
+    /// <remarks>
+    /// TODO: Tests which run through normal functionality.  Currently, the only test is one that checks behaviour
+    /// in the case of an error condition
+    /// </remarks>
+    [TestFixture]
+    public class SceneTelehubTests : OpenSimTestCase
+    {
+        /// <summary>
+        /// Test for desired behaviour when a telehub has no spawn points
+        /// </summary>
+        [Test]
+        public void TestNoTelehubSpawnPoints()
+        {
+            TestHelpers.InMethod();
+//            TestHelpers.EnableLogging();
+
+            EstateManagementModule emm = new EstateManagementModule();
+
+            SceneHelpers sh = new SceneHelpers();
+            Scene scene = sh.SetupScene();
+            SceneHelpers.SetupSceneModules(scene, emm);
+
+            UUID telehubSceneObjectOwner = TestHelpers.ParseTail(0x1);
+
+            SceneObjectGroup telehubSo = SceneHelpers.AddSceneObject(scene, "telehubObject", telehubSceneObjectOwner);
+
+            emm.HandleOnEstateManageTelehub(null, UUID.Zero, UUID.Zero, "connect", telehubSo.LocalId);
+            scene.RegionInfo.EstateSettings.AllowDirectTeleport = false;
+
+            // Must still be possible to successfully log in
+            UUID loggingInUserId = TestHelpers.ParseTail(0x2);
+
+            UserAccount ua 
+                = UserAccountHelpers.CreateUserWithInventory(scene, "Test", "User", loggingInUserId, "password");
+
+            SceneHelpers.AddScenePresence(scene, ua);
+
+            Assert.That(scene.GetScenePresence(loggingInUserId), Is.Not.Null);
+        }
+
+        /// <summary>
+        /// Test for desired behaviour when the scene object nominated as a telehub object does not exist.
+        /// </summary>
+        [Test]
+        public void TestNoTelehubSceneObject()
+        {
+            TestHelpers.InMethod();
+//            TestHelpers.EnableLogging();
+
+            EstateManagementModule emm = new EstateManagementModule();
+
+            SceneHelpers sh = new SceneHelpers();
+            Scene scene = sh.SetupScene();
+            SceneHelpers.SetupSceneModules(scene, emm);
+
+            UUID telehubSceneObjectOwner = TestHelpers.ParseTail(0x1);
+
+            SceneObjectGroup telehubSo = SceneHelpers.AddSceneObject(scene, "telehubObject", telehubSceneObjectOwner);
+            SceneObjectGroup spawnPointSo = SceneHelpers.AddSceneObject(scene, "spawnpointObject", telehubSceneObjectOwner);
+
+            emm.HandleOnEstateManageTelehub(null, UUID.Zero, UUID.Zero, "connect", telehubSo.LocalId);
+            emm.HandleOnEstateManageTelehub(null, UUID.Zero, UUID.Zero, "spawnpoint add", spawnPointSo.LocalId);
+            scene.RegionInfo.EstateSettings.AllowDirectTeleport = false;
+
+            scene.DeleteSceneObject(telehubSo, false);
+
+            // Must still be possible to successfully log in
+            UUID loggingInUserId = TestHelpers.ParseTail(0x2);
+
+            UserAccount ua 
+                = UserAccountHelpers.CreateUserWithInventory(scene, "Test", "User", loggingInUserId, "password");
+
+            SceneHelpers.AddScenePresence(scene, ua);
+
+            Assert.That(scene.GetScenePresence(loggingInUserId), Is.Not.Null);
+        }
+    }
+}
\ No newline at end of file
diff --git a/OpenSim/Region/Framework/Scenes/Tests/SceneTests.cs b/OpenSim/Region/Framework/Scenes/Tests/SceneTests.cs
index 9d8eb0b..517faf1 100644
--- a/OpenSim/Region/Framework/Scenes/Tests/SceneTests.cs
+++ b/OpenSim/Region/Framework/Scenes/Tests/SceneTests.cs
@@ -36,13 +36,11 @@ using Nini.Config;
 using NUnit.Framework;
 using OpenMetaverse;
 using OpenSim.Framework;
-using OpenSim.Framework.Communications;
 using OpenSim.Region.Framework.Scenes;
 using OpenSim.Region.Framework.Interfaces;
 using OpenSim.Region.CoreModules.World.Serialiser;
 using OpenSim.Region.CoreModules.ServiceConnectorsOut.Simulation;
 using OpenSim.Tests.Common;
-using OpenSim.Tests.Common.Mock;
 
 namespace OpenSim.Region.Framework.Scenes.Tests
 {
@@ -52,6 +50,29 @@ namespace OpenSim.Region.Framework.Scenes.Tests
     [TestFixture]
     public class SceneTests : OpenSimTestCase
     {
+        [Test]
+        public void TestCreateScene()
+        {
+            TestHelpers.InMethod();
+
+            new SceneHelpers().SetupScene();
+        }
+
+        [Test]
+        public void TestCreateVarScene()
+        {
+            TestHelpers.InMethod();
+            UUID regionUuid = TestHelpers.ParseTail(0x1);
+            uint sizeX = 512;
+            uint sizeY = 512;
+
+            Scene scene 
+                = new SceneHelpers().SetupScene("scene", regionUuid, 1000, 1000, sizeX, sizeY, new IniConfigSource());
+
+            Assert.AreEqual(sizeX, scene.RegionInfo.RegionSizeX);
+            Assert.AreEqual(sizeY, scene.RegionInfo.RegionSizeY);
+        }
+
         /// <summary>
         /// Very basic scene update test.  Should become more elaborate with time.
         /// </summary>
diff --git a/OpenSim/Region/Framework/Scenes/Tests/SharedRegionModuleTests.cs b/OpenSim/Region/Framework/Scenes/Tests/SharedRegionModuleTests.cs
new file mode 100644
index 0000000..eeda84f
--- /dev/null
+++ b/OpenSim/Region/Framework/Scenes/Tests/SharedRegionModuleTests.cs
@@ -0,0 +1,249 @@
+/*
+ * Copyright (c) Contributors, http://opensimulator.org/
+ * See CONTRIBUTORS.TXT for a full list of copyright holders.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * Neither the name of the OpenSimulator Project nor the
+ *       names of its contributors may be used to endorse or promote products
+ *       derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+using System;
+using System.Collections.Generic;
+using System.Net;
+using Mono.Addins;
+using Nini.Config;
+using NUnit.Framework;
+using OpenMetaverse;
+using OpenSim;
+using OpenSim.ApplicationPlugins.RegionModulesController;
+using OpenSim.Framework;
+using OpenSim.Region.CoreModules.ServiceConnectorsOut.Grid;
+using OpenSim.Region.Framework.Interfaces;
+using OpenSim.Tests.Common;
+
+namespace OpenSim.Region.Framework.Scenes.Tests
+{
+    public class SharedRegionModuleTests : OpenSimTestCase
+    {
+//        [Test]
+        public void TestLifecycle()
+        {
+            TestHelpers.InMethod();
+            TestHelpers.EnableLogging();
+
+            UUID estateOwnerId = TestHelpers.ParseTail(0x1);
+            UUID regionId = TestHelpers.ParseTail(0x10);
+
+            IConfigSource configSource = new IniConfigSource();
+            configSource.AddConfig("Startup");
+            configSource.AddConfig("Modules");
+
+//            // We use this to skip estate questions
+            // Turns out not to be needed is estate owner id is pre-set in region information.
+//            IConfig estateConfig = configSource.AddConfig(OpenSimBase.ESTATE_SECTION_NAME);
+//            estateConfig.Set("DefaultEstateOwnerName", "Zaphod Beeblebrox");
+//            estateConfig.Set("DefaultEstateOwnerUUID", estateOwnerId);
+//            estateConfig.Set("DefaultEstateOwnerEMail", "zaphod@galaxy.com");
+//            estateConfig.Set("DefaultEstateOwnerPassword", "two heads");
+
+            // For grid servic
+            configSource.AddConfig("GridService");
+            configSource.Configs["Modules"].Set("GridServices", "LocalGridServicesConnector");
+            configSource.Configs["GridService"].Set("StorageProvider", "OpenSim.Data.Null.dll:NullRegionData");
+            configSource.Configs["GridService"].Set("LocalServiceModule", "OpenSim.Services.GridService.dll:GridService");
+            configSource.Configs["GridService"].Set("ConnectionString", "!static");
+
+            LocalGridServicesConnector gridService = new LocalGridServicesConnector();
+//
+            OpenSim sim = new OpenSim(configSource);
+
+            sim.SuppressExit = true;
+            sim.EnableInitialPluginLoad = false;
+            sim.LoadEstateDataService = false;
+            sim.NetServersInfo.HttpListenerPort = 0;
+
+            IRegistryCore reg = sim.ApplicationRegistry;
+
+            RegionInfo ri = new RegionInfo();
+            ri.RegionID = regionId;
+            ri.EstateSettings.EstateOwner = estateOwnerId;
+            ri.InternalEndPoint = new IPEndPoint(0, 0);
+
+            MockRegionModulesControllerPlugin rmcp = new MockRegionModulesControllerPlugin();
+            sim.m_plugins = new List<IApplicationPlugin>() { rmcp };
+            reg.RegisterInterface<IRegionModulesController>(rmcp);
+
+            // XXX: Have to initialize directly for now
+            rmcp.Initialise(sim);
+
+            rmcp.AddNode(gridService);
+
+            TestSharedRegion tsr = new TestSharedRegion();
+            rmcp.AddNode(tsr);
+
+            // FIXME: Want to use the real one eventually but this is currently directly tied into Mono.Addins
+            // which has been written in such a way that makes it impossible to use for regression tests.
+//            RegionModulesControllerPlugin rmcp = new RegionModulesControllerPlugin();
+//            rmcp.LoadModulesFromAddins = false;
+////            reg.RegisterInterface<IRegionModulesController>(rmcp);
+//            rmcp.Initialise(sim);
+//            rmcp.PostInitialise();           
+//            TypeExtensionNode node = new TypeExtensionNode();
+//            node.
+//            rmcp.AddNode(node, configSource.Configs["Modules"], new Dictionary<RuntimeAddin, IList<int>>());
+
+            sim.Startup();
+            IScene scene;
+            sim.CreateRegion(ri, out scene);
+
+            sim.Shutdown();
+
+            List<string> co = tsr.CallOrder;
+            int expectedEventCount = 6;
+
+            Assert.AreEqual(
+                expectedEventCount, 
+                co.Count, 
+                "Expected {0} events but only got {1} ({2})", 
+                expectedEventCount, co.Count, string.Join(",", co));
+            Assert.AreEqual("Initialise",       co[0]);
+            Assert.AreEqual("PostInitialise",   co[1]);
+            Assert.AreEqual("AddRegion",        co[2]);
+            Assert.AreEqual("RegionLoaded",     co[3]);
+            Assert.AreEqual("RemoveRegion",     co[4]);
+            Assert.AreEqual("Close",            co[5]);
+        }
+    }
+
+    class TestSharedRegion : ISharedRegionModule
+    {
+        // FIXME: Should really use MethodInfo
+        public List<string> CallOrder = new List<string>();
+                
+        public string Name { get { return "TestSharedRegion"; } }
+
+        public Type ReplaceableInterface { get { return null; } }
+
+        public void PostInitialise()
+        {
+            CallOrder.Add("PostInitialise");
+        }
+
+        public void Initialise(IConfigSource source)
+        {
+            CallOrder.Add("Initialise");
+        }
+
+        public void Close()
+        {
+            CallOrder.Add("Close");
+        }
+
+        public void AddRegion(Scene scene)
+        {
+            CallOrder.Add("AddRegion");
+        }
+
+        public void RemoveRegion(Scene scene)
+        {
+            CallOrder.Add("RemoveRegion");
+        }
+
+        public void RegionLoaded(Scene scene)
+        {
+            CallOrder.Add("RegionLoaded");
+        }
+    }
+
+    class MockRegionModulesControllerPlugin : IRegionModulesController, IApplicationPlugin
+    {
+        // List of shared module instances, for adding to Scenes
+        private List<ISharedRegionModule> m_sharedInstances = new List<ISharedRegionModule>();
+
+        // Config access
+        private OpenSimBase m_openSim;
+
+        public string Version { get { return "0"; } }
+        public string Name { get { return "MockRegionModulesControllerPlugin"; } }
+
+        public void Initialise() {}
+
+        public void Initialise(OpenSimBase sim) 
+        {
+            m_openSim = sim;
+        }
+
+        /// <summary>
+        /// Called when the application loading is completed 
+        /// </summary>
+        public void PostInitialise()
+        {
+            foreach (ISharedRegionModule module in m_sharedInstances)
+                module.PostInitialise();
+        }
+
+        public void AddRegionToModules(Scene scene)
+        {
+            List<ISharedRegionModule> sharedlist = new List<ISharedRegionModule>();
+
+            foreach (ISharedRegionModule module in m_sharedInstances)
+            {
+                module.AddRegion(scene);
+                scene.AddRegionModule(module.Name, module);
+
+                sharedlist.Add(module);
+            }
+
+            foreach (ISharedRegionModule module in sharedlist)
+            {
+                module.RegionLoaded(scene);
+            }
+        }
+
+        public void RemoveRegionFromModules(Scene scene)
+        {
+            foreach (IRegionModuleBase module in scene.RegionModules.Values)
+            {
+//                m_log.DebugFormat("[REGIONMODULE]: Removing scene {0} from module {1}",
+//                                  scene.RegionInfo.RegionName, module.Name);
+                module.RemoveRegion(scene);
+            }
+
+            scene.RegionModules.Clear();
+        }       
+        
+        public void AddNode(ISharedRegionModule module)
+        {
+            m_sharedInstances.Add(module);
+            module.Initialise(m_openSim.ConfigSource.Source);
+        }
+
+        public void Dispose()
+        {
+            // We expect that all regions have been removed already
+            while (m_sharedInstances.Count > 0)
+            {
+                m_sharedInstances[0].Close();
+                m_sharedInstances.RemoveAt(0);
+            }
+        }
+    }
+}
\ No newline at end of file
diff --git a/OpenSim/Region/Framework/Scenes/Tests/TaskInventoryTests.cs b/OpenSim/Region/Framework/Scenes/Tests/TaskInventoryTests.cs
index 0b461f5..b01088d 100644
--- a/OpenSim/Region/Framework/Scenes/Tests/TaskInventoryTests.cs
+++ b/OpenSim/Region/Framework/Scenes/Tests/TaskInventoryTests.cs
@@ -37,7 +37,6 @@ using NUnit.Framework;
 using OpenMetaverse;
 using OpenMetaverse.Assets;
 using OpenSim.Framework;
-using OpenSim.Framework.Communications;
 using OpenSim.Region.Framework.Scenes;
 using OpenSim.Region.Framework.Interfaces;
 using OpenSim.Region.CoreModules.Avatar.Inventory.Archiver;
@@ -45,7 +44,6 @@ using OpenSim.Region.CoreModules.World.Serialiser;
 using OpenSim.Region.CoreModules.ServiceConnectorsOut.Simulation;
 using OpenSim.Services.Interfaces;
 using OpenSim.Tests.Common;
-using OpenSim.Tests.Common.Mock;
 
 namespace OpenSim.Region.Framework.Tests
 {
@@ -65,7 +63,7 @@ namespace OpenSim.Region.Framework.Tests
 
             // Create an object embedded inside the first
             UUID taskSceneObjectItemId = UUID.Parse("00000000-0000-0000-0000-100000000000");
-            TaskInventoryHelpers.AddSceneObject(scene, sop1, "tso", taskSceneObjectItemId, user1.PrincipalID);
+            TaskInventoryHelpers.AddSceneObject(scene.AssetService, sop1, "tso", taskSceneObjectItemId, user1.PrincipalID);
 
             TaskInventoryItem addedItem = sop1.Inventory.GetInventoryItem(taskSceneObjectItemId);
             Assert.That(addedItem.ItemID, Is.EqualTo(taskSceneObjectItemId));
@@ -89,7 +87,7 @@ namespace OpenSim.Region.Framework.Tests
             // Create an object embedded inside the first
             UUID taskSceneObjectItemId = UUID.Parse("00000000-0000-0000-0000-100000000000");
             TaskInventoryItem taskSceneObjectItem
-                = TaskInventoryHelpers.AddSceneObject(scene, sop1, "tso", taskSceneObjectItemId, user1.PrincipalID);
+                = TaskInventoryHelpers.AddSceneObject(scene.AssetService, sop1, "tso", taskSceneObjectItemId, user1.PrincipalID);
 
             scene.AddSceneObject(sog1);
 
@@ -130,13 +128,14 @@ namespace OpenSim.Region.Framework.Tests
             SceneObjectPart sop1 = sog1.RootPart;
             TaskInventoryItem sopItem1
                 = TaskInventoryHelpers.AddNotecard(
-                    scene, sop1, "ncItem", TestHelpers.ParseTail(0x800), TestHelpers.ParseTail(0x900));
+                    scene.AssetService, sop1, "ncItem", TestHelpers.ParseTail(0x800), TestHelpers.ParseTail(0x900), "Hello World!");
 
             InventoryFolderBase folder 
-                = InventoryArchiveUtils.FindFolderByPath(scene.InventoryService, user1.PrincipalID, "Objects")[0];
+                = InventoryArchiveUtils.FindFoldersByPath(scene.InventoryService, user1.PrincipalID, "Objects")[0];
             
             // Perform test
-            scene.MoveTaskInventoryItem(user1.PrincipalID, folder.ID, sop1, sopItem1.ItemID);
+            string message;
+            scene.MoveTaskInventoryItem(user1.PrincipalID, folder.ID, sop1, sopItem1.ItemID, out message);
                 
             InventoryItemBase ncUserItem
                 = InventoryArchiveUtils.FindItemByPath(scene.InventoryService, user1.PrincipalID, "Objects/ncItem");
@@ -162,10 +161,11 @@ namespace OpenSim.Region.Framework.Tests
             SceneObjectPart sop1 = sog1.RootPart;
             TaskInventoryItem sopItem1
                 = TaskInventoryHelpers.AddNotecard(
-                    scene, sop1, "ncItem", TestHelpers.ParseTail(0x800), TestHelpers.ParseTail(0x900));
+                    scene.AssetService, sop1, "ncItem", TestHelpers.ParseTail(0x800), TestHelpers.ParseTail(0x900), "Hello World!");
             
             // Perform test
-            scene.MoveTaskInventoryItem(user1.PrincipalID, UUID.Zero, sop1, sopItem1.ItemID);
+            string message;
+            scene.MoveTaskInventoryItem(user1.PrincipalID, UUID.Zero, sop1, sopItem1.ItemID, out message);
                 
             InventoryItemBase ncUserItem
                 = InventoryArchiveUtils.FindItemByPath(scene.InventoryService, user1.PrincipalID, "Notecards/ncItem");
diff --git a/OpenSim/Region/Framework/Scenes/Tests/UserInventoryTests.cs b/OpenSim/Region/Framework/Scenes/Tests/UserInventoryTests.cs
index 9457ebb..8250e6c 100644
--- a/OpenSim/Region/Framework/Scenes/Tests/UserInventoryTests.cs
+++ b/OpenSim/Region/Framework/Scenes/Tests/UserInventoryTests.cs
@@ -37,7 +37,6 @@ using NUnit.Framework;
 using OpenMetaverse;
 using OpenMetaverse.Assets;
 using OpenSim.Framework;
-using OpenSim.Framework.Communications;
 using OpenSim.Region.Framework.Scenes;
 using OpenSim.Region.Framework.Interfaces;
 using OpenSim.Region.CoreModules.Avatar.Inventory.Archiver;
@@ -45,7 +44,6 @@ using OpenSim.Region.CoreModules.World.Serialiser;
 using OpenSim.Region.CoreModules.ServiceConnectorsOut.Simulation;
 using OpenSim.Services.Interfaces;
 using OpenSim.Tests.Common;
-using OpenSim.Tests.Common.Mock;
 
 namespace OpenSim.Region.Framework.Tests
 {
@@ -64,7 +62,7 @@ namespace OpenSim.Region.Framework.Tests
             Scene scene = new SceneHelpers().SetupScene();
             UserAccount user1 = UserAccountHelpers.CreateUserWithInventory(scene, TestHelpers.ParseTail(1001));
 
-            UserInventoryHelpers.CreateInventoryFolder(scene.InventoryService, user1.PrincipalID, foldersName);
+            UserInventoryHelpers.CreateInventoryFolder(scene.InventoryService, user1.PrincipalID, foldersName, false);
 
             List<InventoryFolderBase> oneFolder
                 = UserInventoryHelpers.GetInventoryFolders(scene.InventoryService, user1.PrincipalID, foldersName);
@@ -73,7 +71,7 @@ namespace OpenSim.Region.Framework.Tests
             InventoryFolderBase firstRetrievedFolder = oneFolder[0];
             Assert.That(firstRetrievedFolder.Name, Is.EqualTo(foldersName));
 
-            UserInventoryHelpers.CreateInventoryFolder(scene.InventoryService, user1.PrincipalID, foldersName);
+            UserInventoryHelpers.CreateInventoryFolder(scene.InventoryService, user1.PrincipalID, foldersName, false);
 
             List<InventoryFolderBase> twoFolders
                 = UserInventoryHelpers.GetInventoryFolders(scene.InventoryService, user1.PrincipalID, foldersName);
@@ -95,7 +93,9 @@ namespace OpenSim.Region.Framework.Tests
             UserAccount user2 = UserAccountHelpers.CreateUserWithInventory(scene, TestHelpers.ParseTail(1002));
             InventoryItemBase item1 = UserInventoryHelpers.CreateInventoryItem(scene, "item1", user1.PrincipalID);
 
-            scene.GiveInventoryItem(user2.PrincipalID, user1.PrincipalID, item1.ID);
+            string message;
+
+            scene.GiveInventoryItem(user2.PrincipalID, user1.PrincipalID, item1.ID, out message);
 
             InventoryItemBase retrievedItem1
                 = UserInventoryHelpers.GetInventoryItem(scene.InventoryService, user2.PrincipalID, "Notecards/item1");
@@ -103,7 +103,7 @@ namespace OpenSim.Region.Framework.Tests
             Assert.That(retrievedItem1, Is.Not.Null);
 
             // Try giving back the freshly received item
-            scene.GiveInventoryItem(user1.PrincipalID, user2.PrincipalID, retrievedItem1.ID);
+            scene.GiveInventoryItem(user1.PrincipalID, user2.PrincipalID, retrievedItem1.ID, out message);
 
             List<InventoryItemBase> reretrievedItems
                 = UserInventoryHelpers.GetInventoryItems(scene.InventoryService, user1.PrincipalID, "Notecards/item1");
@@ -121,9 +121,9 @@ namespace OpenSim.Region.Framework.Tests
             UserAccount user1 = UserAccountHelpers.CreateUserWithInventory(scene, TestHelpers.ParseTail(1001));
             UserAccount user2 = UserAccountHelpers.CreateUserWithInventory(scene, TestHelpers.ParseTail(1002));
             InventoryFolderBase folder1
-                = UserInventoryHelpers.CreateInventoryFolder(scene.InventoryService, user1.PrincipalID, "folder1");
+                = UserInventoryHelpers.CreateInventoryFolder(scene.InventoryService, user1.PrincipalID, "folder1", false);
 
-            scene.GiveInventoryFolder(user2.PrincipalID, user1.PrincipalID, folder1.ID, UUID.Zero);
+            scene.GiveInventoryFolder(null, user2.PrincipalID, user1.PrincipalID, folder1.ID, UUID.Zero);
 
             InventoryFolderBase retrievedFolder1
                 = UserInventoryHelpers.GetInventoryFolder(scene.InventoryService, user2.PrincipalID, "folder1");
@@ -131,7 +131,7 @@ namespace OpenSim.Region.Framework.Tests
             Assert.That(retrievedFolder1, Is.Not.Null);
 
             // Try giving back the freshly received folder
-            scene.GiveInventoryFolder(user1.PrincipalID, user2.PrincipalID, retrievedFolder1.ID, UUID.Zero);
+            scene.GiveInventoryFolder(null, user1.PrincipalID, user2.PrincipalID, retrievedFolder1.ID, UUID.Zero);
 
             List<InventoryFolderBase> reretrievedFolders
                 = UserInventoryHelpers.GetInventoryFolders(scene.InventoryService, user1.PrincipalID, "folder1");
diff --git a/OpenSim/Region/Framework/Scenes/Tests/UuidGathererTests.cs b/OpenSim/Region/Framework/Scenes/Tests/UuidGathererTests.cs
index dd27294..937c414 100644
--- a/OpenSim/Region/Framework/Scenes/Tests/UuidGathererTests.cs
+++ b/OpenSim/Region/Framework/Scenes/Tests/UuidGathererTests.cs
@@ -33,7 +33,6 @@ using OpenSim.Framework;
 using OpenSim.Region.Framework.Scenes;
 using OpenSim.Services.Interfaces;
 using OpenSim.Tests.Common;
-using OpenSim.Tests.Common.Mock;
 
 namespace OpenSim.Region.Framework.Scenes.Tests
 {
@@ -62,11 +61,11 @@ namespace OpenSim.Region.Framework.Scenes.Tests
                 = AssetHelpers.CreateAsset(corruptAssetUuid, AssetType.Notecard, "CORRUPT ASSET", UUID.Zero);
             m_assetService.Store(corruptAsset);
 
-            IDictionary<UUID, AssetType> foundAssetUuids = new Dictionary<UUID, AssetType>();
-            m_uuidGatherer.GatherAssetUuids(corruptAssetUuid, AssetType.Object, foundAssetUuids);
+            m_uuidGatherer.AddForInspection(corruptAssetUuid);
+            m_uuidGatherer.GatherAll();
 
             // We count the uuid as gathered even if the asset itself is corrupt.
-            Assert.That(foundAssetUuids.Count, Is.EqualTo(1));
+            Assert.That(m_uuidGatherer.GatheredUuids.Count, Is.EqualTo(1));
         }
         
         /// <summary>
@@ -78,38 +77,82 @@ namespace OpenSim.Region.Framework.Scenes.Tests
             TestHelpers.InMethod();
             
             UUID missingAssetUuid = UUID.Parse("00000000-0000-0000-0000-000000000666");
-            IDictionary<UUID, AssetType> foundAssetUuids = new Dictionary<UUID, AssetType>();
-            
-            m_uuidGatherer.GatherAssetUuids(missingAssetUuid, AssetType.Object, foundAssetUuids);
 
-            // We count the uuid as gathered even if the asset itself is missing.
-            Assert.That(foundAssetUuids.Count, Is.EqualTo(1));
+            m_uuidGatherer.AddForInspection(missingAssetUuid);
+            m_uuidGatherer.GatherAll();
+
+            Assert.That(m_uuidGatherer.GatheredUuids.Count, Is.EqualTo(0));
         }
 
         [Test]
         public void TestNotecardAsset()
         {
             TestHelpers.InMethod();
-//            log4net.Config.XmlConfigurator.Configure();
-
+//            TestHelpers.EnableLogging();
+                      
             UUID ownerId = TestHelpers.ParseTail(0x10);
-            UUID soAssetId = TestHelpers.ParseTail(0x20);
+            UUID embeddedId = TestHelpers.ParseTail(0x20);
+            UUID secondLevelEmbeddedId = TestHelpers.ParseTail(0x21);
+            UUID missingEmbeddedId = TestHelpers.ParseTail(0x22);
             UUID ncAssetId = TestHelpers.ParseTail(0x30);
 
-            SceneObjectGroup so = SceneHelpers.CreateSceneObject(1, ownerId);
-            AssetBase soAsset = AssetHelpers.CreateAsset(soAssetId, so);
-            m_assetService.Store(soAsset);
-
-            AssetBase ncAsset = AssetHelpers.CreateNotecardAsset(ncAssetId, soAssetId.ToString());
+            AssetBase ncAsset 
+                = AssetHelpers.CreateNotecardAsset(
+                    ncAssetId, string.Format("Hello{0}World{1}", embeddedId, missingEmbeddedId));
             m_assetService.Store(ncAsset);
 
-            IDictionary<UUID, AssetType> foundAssetUuids = new Dictionary<UUID, AssetType>();
-            m_uuidGatherer.GatherAssetUuids(ncAssetId, AssetType.Notecard, foundAssetUuids);
+            AssetBase embeddedAsset 
+                = AssetHelpers.CreateNotecardAsset(embeddedId, string.Format("{0} We'll meet again.", secondLevelEmbeddedId));
+            m_assetService.Store(embeddedAsset);
 
-            // We count the uuid as gathered even if the asset itself is corrupt.
-            Assert.That(foundAssetUuids.Count, Is.EqualTo(2));
-            Assert.That(foundAssetUuids.ContainsKey(ncAssetId));
-            Assert.That(foundAssetUuids.ContainsKey(soAssetId));
+            AssetBase secondLevelEmbeddedAsset 
+                = AssetHelpers.CreateNotecardAsset(secondLevelEmbeddedId, "Don't know where, don't know when.");
+            m_assetService.Store(secondLevelEmbeddedAsset);
+
+            m_uuidGatherer.AddForInspection(ncAssetId);
+            m_uuidGatherer.GatherAll();
+
+//            foreach (UUID key in m_uuidGatherer.GatheredUuids.Keys)
+//                System.Console.WriteLine("key : {0}", key);
+
+            Assert.That(m_uuidGatherer.GatheredUuids.Count, Is.EqualTo(3));
+            Assert.That(m_uuidGatherer.GatheredUuids.ContainsKey(ncAssetId));
+            Assert.That(m_uuidGatherer.GatheredUuids.ContainsKey(embeddedId));
+            Assert.That(m_uuidGatherer.GatheredUuids.ContainsKey(secondLevelEmbeddedId));
+        }
+
+        [Test]
+        public void TestTaskItems()
+        {
+            TestHelpers.InMethod();
+//                        TestHelpers.EnableLogging();
+
+            UUID ownerId = TestHelpers.ParseTail(0x10);
+
+            SceneObjectGroup soL0 = SceneHelpers.CreateSceneObject(1, ownerId, "l0", 0x20);
+            SceneObjectGroup soL1 = SceneHelpers.CreateSceneObject(1, ownerId, "l1", 0x21);
+            SceneObjectGroup soL2 = SceneHelpers.CreateSceneObject(1, ownerId, "l2", 0x22);
+
+            TaskInventoryHelpers.AddScript(
+                m_assetService, soL2.RootPart, TestHelpers.ParseTail(0x33), TestHelpers.ParseTail(0x43), "l3-script", "gibberish");
+
+            TaskInventoryHelpers.AddSceneObject(
+                m_assetService, soL1.RootPart, "l2-item", TestHelpers.ParseTail(0x32), soL2, TestHelpers.ParseTail(0x42));
+            TaskInventoryHelpers.AddSceneObject(
+                m_assetService, soL0.RootPart, "l1-item", TestHelpers.ParseTail(0x31), soL1, TestHelpers.ParseTail(0x41));
+
+            m_uuidGatherer.AddForInspection(soL0);
+            m_uuidGatherer.GatherAll();
+
+//                        foreach (UUID key in m_uuidGatherer.GatheredUuids.Keys)
+//                            System.Console.WriteLine("key : {0}", key);
+
+            // We expect to see the default prim texture and the assets of the contained task items
+            Assert.That(m_uuidGatherer.GatheredUuids.Count, Is.EqualTo(4));
+            Assert.That(m_uuidGatherer.GatheredUuids.ContainsKey(new UUID(Constants.DefaultTexture)));
+            Assert.That(m_uuidGatherer.GatheredUuids.ContainsKey(TestHelpers.ParseTail(0x41)));
+            Assert.That(m_uuidGatherer.GatheredUuids.ContainsKey(TestHelpers.ParseTail(0x42)));
+            Assert.That(m_uuidGatherer.GatheredUuids.ContainsKey(TestHelpers.ParseTail(0x43)));
         }
     }
-}
+}
\ No newline at end of file
diff --git a/OpenSim/Region/Framework/Scenes/UuidGatherer.cs b/OpenSim/Region/Framework/Scenes/UuidGatherer.cs
index e238d01..9ec4e1d 100644
--- a/OpenSim/Region/Framework/Scenes/UuidGatherer.cs
+++ b/OpenSim/Region/Framework/Scenes/UuidGatherer.cs
@@ -34,9 +34,11 @@ using System.Threading;
 using log4net;
 using OpenMetaverse;
 using OpenMetaverse.Assets;
+using OpenMetaverse.StructuredData;
 using OpenSim.Framework;
 using OpenSim.Region.Framework.Scenes.Serialization;
 using OpenSim.Services.Interfaces;
+using OpenSimAssetType = OpenSim.Framework.SLUtil.OpenSimAssetType;
 
 namespace OpenSim.Region.Framework.Scenes
 {
@@ -53,75 +55,81 @@ namespace OpenSim.Region.Framework.Scenes
     {
         private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
 
+        /// <summary>
+        /// Is gathering complete?
+        /// </summary>
+        public bool Complete { get { return m_assetUuidsToInspect.Count <= 0; } }
+
+        /// <summary>
+        /// The dictionary of UUIDs gathered so far.  If Complete == true then this is all the reachable UUIDs.
+        /// </summary>
+        /// <value>The gathered uuids.</value>
+        public IDictionary<UUID, sbyte> GatheredUuids { get; private set; }
+
+        /// <summary>
+        /// Gets the next UUID to inspect.
+        /// </summary>
+        /// <value>If there is no next UUID then returns null</value>
+        public UUID? NextUuidToInspect
+        {
+            get
+            {
+                if (Complete)
+                    return null;
+                else
+                    return m_assetUuidsToInspect.Peek();
+            }
+        }
+
         protected IAssetService m_assetService;
 
-//        /// <summary>
-//        /// Used as a temporary store of an asset which represents an object.  This can be a null if no appropriate
-//        /// asset was found by the asset service.
-//        /// </summary>
-//        private AssetBase m_requestedObjectAsset;
-//
-//        /// <summary>
-//        /// Signal whether we are currently waiting for the asset service to deliver an asset.
-//        /// </summary>
-//        private bool m_waitingForObjectAsset;
-                
-        public UuidGatherer(IAssetService assetService)
+        protected Queue<UUID> m_assetUuidsToInspect;
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="OpenSim.Region.Framework.Scenes.UuidGatherer"/> class.
+        /// </summary>
+        /// <remarks>In this case the collection of gathered assets will start out blank.</remarks>
+        /// <param name="assetService">
+        /// Asset service.
+        /// </param>
+        public UuidGatherer(IAssetService assetService) : this(assetService, new Dictionary<UUID, sbyte>()) {}       
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="OpenSim.Region.Framework.Scenes.UuidGatherer"/> class.
+        /// </summary>
+        /// <param name="assetService">
+        /// Asset service.
+        /// </param>
+        /// <param name="collector">
+        /// Gathered UUIDs will be collected in this dictinaory.  
+        /// It can be pre-populated if you want to stop the gatherer from analyzing assets that have already been fetched and inspected.
+        /// </param>
+        public UuidGatherer(IAssetService assetService, IDictionary<UUID, sbyte> collector)
         {
             m_assetService = assetService;
+            GatheredUuids = collector;
+
+            // FIXME: Not efficient for searching, can improve.
+            m_assetUuidsToInspect = new Queue<UUID>();
         }
-                
+
         /// <summary>
-        /// Gather all the asset uuids associated with the asset referenced by a given uuid
+        /// Adds the asset uuid for inspection during the gathering process.
         /// </summary>
-        /// <remarks>
-        /// This includes both those directly associated with
-        /// it (e.g. face textures) and recursively, those of items within it's inventory (e.g. objects contained
-        /// within this object).
-        /// </remarks>
-        /// <param name="assetUuid">The uuid of the asset for which to gather referenced assets</param>
-        /// <param name="assetType">The type of the asset for the uuid given</param>
-        /// <param name="assetUuids">The assets gathered</param>
-        public void GatherAssetUuids(UUID assetUuid, AssetType assetType, IDictionary<UUID, AssetType> assetUuids)
+        /// <returns><c>true</c>, if for inspection was added, <c>false</c> otherwise.</returns>
+        /// <param name="uuid">UUID.</param>
+        public bool AddForInspection(UUID uuid)
         {
-            // avoid infinite loops
-            if (assetUuids.ContainsKey(assetUuid))
-                return;
+            if (m_assetUuidsToInspect.Contains(uuid))
+                return false;
 
-            try
-            {               
-                assetUuids[assetUuid] = assetType;
-    
-                if (AssetType.Bodypart == assetType || AssetType.Clothing == assetType)
-                {
-                    GetWearableAssetUuids(assetUuid, assetUuids);
-                }
-                else if (AssetType.Gesture == assetType)
-                {
-                    GetGestureAssetUuids(assetUuid, assetUuids);
-                }
-                else if (AssetType.Notecard == assetType)
-                {
-                    GetTextEmbeddedAssetUuids(assetUuid, assetUuids);
-                }
-                else if (AssetType.LSLText == assetType)
-                {
-                    GetTextEmbeddedAssetUuids(assetUuid, assetUuids);
-                }
-                else if (AssetType.Object == assetType)
-                {
-                    GetSceneObjectAssetUuids(assetUuid, assetUuids);
-                }
-            }
-            catch (Exception)
-            {
-                m_log.ErrorFormat(
-                    "[UUID GATHERER]: Failed to gather uuids for asset id {0}, type {1}", 
-                    assetUuid, assetType);
-                throw;
-            }
-        }
+//            m_log.DebugFormat("[UUID GATHERER]: Adding asset {0} for inspection", uuid);
+
+            m_assetUuidsToInspect.Enqueue(uuid);
 
+            return true;
+        }
+        
         /// <summary>
         /// Gather all the asset uuids associated with a given object.
         /// </summary>
@@ -131,19 +139,18 @@ namespace OpenSim.Region.Framework.Scenes
         /// within this object).
         /// </remarks>
         /// <param name="sceneObject">The scene object for which to gather assets</param>
-        /// <param name="assetUuids">The assets gathered</param>
-        public void GatherAssetUuids(SceneObjectGroup sceneObject, IDictionary<UUID, AssetType> assetUuids)
+        public void AddForInspection(SceneObjectGroup sceneObject)
         {
-//            m_log.DebugFormat(
-//                "[ASSET GATHERER]: Getting assets for object {0}, {1}", sceneObject.Name, sceneObject.UUID);
+            //            m_log.DebugFormat(
+            //                "[ASSET GATHERER]: Getting assets for object {0}, {1}", sceneObject.Name, sceneObject.UUID);
 
             SceneObjectPart[] parts = sceneObject.Parts;
             for (int i = 0; i < parts.Length; i++)
             {
                 SceneObjectPart part = parts[i];
 
-//                m_log.DebugFormat(
-//                    "[ARCHIVER]: Getting part {0}, {1} for object {2}", part.Name, part.UUID, sceneObject.UUID);
+                //                m_log.DebugFormat(
+                //                    "[ARCHIVER]: Getting part {0}, {1} for object {2}", part.Name, part.UUID, sceneObject.UUID);
 
                 try
                 {
@@ -152,7 +159,7 @@ namespace OpenSim.Region.Framework.Scenes
                     {
                         // Get the prim's default texture.  This will be used for faces which don't have their own texture
                         if (textureEntry.DefaultTexture != null)
-                            assetUuids[textureEntry.DefaultTexture.TextureID] = AssetType.Texture;
+                            RecordTextureEntryAssetUuids(textureEntry.DefaultTexture);
 
                         if (textureEntry.FaceTextures != null)
                         {
@@ -160,27 +167,59 @@ namespace OpenSim.Region.Framework.Scenes
                             foreach (Primitive.TextureEntryFace texture in textureEntry.FaceTextures)
                             {
                                 if (texture != null)
-                                    assetUuids[texture.TextureID] = AssetType.Texture;
+                                    RecordTextureEntryAssetUuids(texture);
                             }
                         }
                     }
-                    
+
                     // If the prim is a sculpt then preserve this information too
                     if (part.Shape.SculptTexture != UUID.Zero)
-                        assetUuids[part.Shape.SculptTexture] = AssetType.Texture;
-                    
+                        GatheredUuids[part.Shape.SculptTexture] = (sbyte)AssetType.Texture;
+
+                    if (part.Shape.ProjectionTextureUUID != UUID.Zero)
+                        GatheredUuids[part.Shape.ProjectionTextureUUID] = (sbyte)AssetType.Texture;
+
+                    if (part.CollisionSound != UUID.Zero)
+                        GatheredUuids[part.CollisionSound] = (sbyte)AssetType.Sound;
+
+                    if (part.ParticleSystem.Length > 0)
+                    {
+                        try
+                        {
+                            Primitive.ParticleSystem ps = new Primitive.ParticleSystem(part.ParticleSystem, 0);
+                            if (ps.Texture != UUID.Zero)
+                                GatheredUuids[ps.Texture] = (sbyte)AssetType.Texture;
+                        }
+                        catch (Exception)
+                        {
+                            m_log.WarnFormat(
+                                "[UUID GATHERER]: Could not check particle system for part {0} {1} in object {2} {3} since it is corrupt.  Continuing.", 
+                                part.Name, part.UUID, sceneObject.Name, sceneObject.UUID);
+                        }
+                    }
+
                     TaskInventoryDictionary taskDictionary = (TaskInventoryDictionary)part.TaskInventory.Clone();
-                    
+
                     // Now analyze this prim's inventory items to preserve all the uuids that they reference
                     foreach (TaskInventoryItem tii in taskDictionary.Values)
                     {
-//                        m_log.DebugFormat(
-//                            "[ARCHIVER]: Analysing item {0} asset type {1} in {2} {3}", 
-//                            tii.Name, tii.Type, part.Name, part.UUID);
+                        //                        m_log.DebugFormat(
+                        //                            "[ARCHIVER]: Analysing item {0} asset type {1} in {2} {3}", 
+                        //                            tii.Name, tii.Type, part.Name, part.UUID);
 
-                        if (!assetUuids.ContainsKey(tii.AssetID))
-                            GatherAssetUuids(tii.AssetID, (AssetType)tii.Type, assetUuids);
+                        if (!GatheredUuids.ContainsKey(tii.AssetID))
+                            AddForInspection(tii.AssetID, (sbyte)tii.Type);
                     }
+
+                    // FIXME: We need to make gathering modular but we cannot yet, since gatherers are not guaranteed
+                    // to be called with scene objects that are in a scene (e.g. in the case of hg asset mapping and
+                    // inventory transfer.  There needs to be a way for a module to register a method without assuming a 
+                    // Scene.EventManager is present.
+                    //                    part.ParentGroup.Scene.EventManager.TriggerGatherUuids(part, assetUuids);
+
+
+                    // still needed to retrieve textures used as materials for any parts containing legacy materials stored in DynAttrs
+                    RecordMaterialsUuids(part); 
                 }
                 catch (Exception e)
                 {
@@ -191,179 +230,334 @@ namespace OpenSim.Region.Framework.Scenes
                 }
             }
         }
-        
-//        /// <summary>
-//        /// The callback made when we request the asset for an object from the asset service.
-//        /// </summary>
-//        private void AssetReceived(string id, Object sender, AssetBase asset)
-//        {
-//            lock (this)
-//            {
-//                m_requestedObjectAsset = asset;
-//                m_waitingForObjectAsset = false;
-//                Monitor.Pulse(this);
-//            }
-//        }
 
         /// <summary>
-        /// Get an asset synchronously, potentially using an asynchronous callback.  If the
-        /// asynchronous callback is used, we will wait for it to complete.
+        /// Gathers the next set of assets returned by the next uuid to get from the asset service.
         /// </summary>
-        /// <param name="uuid"></param>
-        /// <returns></returns>
-        protected virtual AssetBase GetAsset(UUID uuid)
+        /// <returns>false if gathering is already complete, true otherwise</returns>
+        public bool GatherNext()
         {
-            return m_assetService.Get(uuid.ToString());
+            if (Complete)
+                return false;
+
+            UUID nextToInspect = m_assetUuidsToInspect.Dequeue();
+
+//            m_log.DebugFormat("[UUID GATHERER]: Inspecting asset {0}", nextToInspect);
+
+            GetAssetUuids(nextToInspect);
 
-            // XXX: Switching to do this synchronously where the call was async before but we always waited for it
-            // to complete anyway!
-//            m_waitingForObjectAsset = true;
-//            m_assetCache.Get(uuid.ToString(), this, AssetReceived);
-//
-//            // The asset cache callback can either
-//            //
-//            // 1. Complete on the same thread (if the asset is already in the cache) or
-//            // 2. Come in via a different thread (if we need to go fetch it).
-//            //
-//            // The code below handles both these alternatives.
-//            lock (this)
-//            {
-//                if (m_waitingForObjectAsset)
-//                {
-//                    Monitor.Wait(this);
-//                    m_waitingForObjectAsset = false;
-//                }
-//            }
-//
-//            return m_requestedObjectAsset;
+            return true;
         }
 
         /// <summary>
-        /// Record the asset uuids embedded within the given script.
+        /// Gathers all remaining asset UUIDS no matter how many calls are required to the asset service.
         /// </summary>
-        /// <param name="scriptUuid"></param>
-        /// <param name="assetUuids">Dictionary in which to record the references</param>
-        private void GetTextEmbeddedAssetUuids(UUID embeddingAssetId, IDictionary<UUID, AssetType> assetUuids)
+        /// <returns>false if gathering is already complete, true otherwise</returns>
+        public bool GatherAll()
         {
-//            m_log.DebugFormat("[ASSET GATHERER]: Getting assets for uuid references in asset {0}", embeddingAssetId);
+            if (Complete)
+                return false;
 
-            AssetBase embeddingAsset = GetAsset(embeddingAssetId);
+            while (GatherNext());
 
-            if (null != embeddingAsset)
-            {
-                string script = Utils.BytesToString(embeddingAsset.Data);
-//                m_log.DebugFormat("[ARCHIVER]: Script {0}", script);
-                MatchCollection uuidMatches = Util.PermissiveUUIDPattern.Matches(script);
-//                m_log.DebugFormat("[ARCHIVER]: Found {0} matches in text", uuidMatches.Count);
+            return true;
+        }
 
-                foreach (Match uuidMatch in uuidMatches)
+        /// <summary>
+        /// Gather all the asset uuids associated with the asset referenced by a given uuid
+        /// </summary>
+        /// <remarks>
+        /// This includes both those directly associated with
+        /// it (e.g. face textures) and recursively, those of items within it's inventory (e.g. objects contained
+        /// within this object).
+        /// This method assumes that the asset type associated with this asset in persistent storage is correct (which
+        /// should always be the case).  So with this method we always need to retrieve asset data even if the asset
+        /// is of a type which is known not to reference any other assets
+        /// </remarks>
+        /// <param name="assetUuid">The uuid of the asset for which to gather referenced assets</param>
+        private void GetAssetUuids(UUID assetUuid)
+        {
+            // avoid infinite loops
+            if (GatheredUuids.ContainsKey(assetUuid))
+                return;
+
+            try
+            {              
+                AssetBase assetBase = GetAsset(assetUuid);
+
+                if (null != assetBase)
                 {
-                    UUID uuid = new UUID(uuidMatch.Value);
-//                    m_log.DebugFormat("[ARCHIVER]: Recording {0} in text", uuid);
+                    sbyte assetType = assetBase.Type;
+                    GatheredUuids[assetUuid] = assetType;
+
+                    if ((sbyte)AssetType.Bodypart == assetType || (sbyte)AssetType.Clothing == assetType)
+                    {
+                        RecordWearableAssetUuids(assetBase);
+                    }
+                    else if ((sbyte)AssetType.Gesture == assetType)
+                    {
+                        RecordGestureAssetUuids(assetBase);
+                    }
+                    else if ((sbyte)AssetType.Notecard == assetType)
+                    {
+                        RecordTextEmbeddedAssetUuids(assetBase);
+                    }
+                    else if ((sbyte)AssetType.LSLText == assetType)
+                    {
+                        RecordTextEmbeddedAssetUuids(assetBase);
+                    }
+                    else if ((sbyte)OpenSimAssetType.Material == assetType)
+                    {
+                        RecordMaterialAssetUuids(assetBase);
+                    }
+                    else if ((sbyte)AssetType.Object == assetType)
+                    {
+                        RecordSceneObjectAssetUuids(assetBase);
+                    }
+                }
+            }
+            catch (Exception)
+            {
+                m_log.ErrorFormat("[UUID GATHERER]: Failed to gather uuids for asset id {0}", assetUuid);
+                throw;
+            }
+        }       
 
-                    // Assume AssetIDs embedded are textures.
-                    assetUuids[uuid] = AssetType.Texture;
+        private void AddForInspection(UUID assetUuid, sbyte assetType)
+        {
+            // Here, we want to collect uuids which require further asset fetches but mark the others as gathered
+            try
+            {               
+                if ((sbyte)AssetType.Bodypart == assetType 
+                    || (sbyte)AssetType.Clothing == assetType
+                    || (sbyte)AssetType.Gesture == assetType
+                    || (sbyte)AssetType.Notecard == assetType
+                    || (sbyte)AssetType.LSLText == assetType
+                    || (sbyte)OpenSimAssetType.Material == assetType
+                    || (sbyte)AssetType.Object == assetType)
+                {
+                    AddForInspection(assetUuid);
+                }
+                else
+                {
+                    GatheredUuids[assetUuid] = assetType;
                 }
             }
+            catch (Exception)
+            {
+                m_log.ErrorFormat(
+                    "[UUID GATHERER]: Failed to gather uuids for asset id {0}, type {1}", 
+                    assetUuid, assetType);
+                throw;
+            }
         }
 
         /// <summary>
-        /// Record the uuids referenced by the given wearable asset
+        /// Collect all the asset uuids found in one face of a Texture Entry.
         /// </summary>
-        /// <param name="wearableAssetUuid"></param>
-        /// <param name="assetUuids">Dictionary in which to record the references</param>
-        private void GetWearableAssetUuids(UUID wearableAssetUuid, IDictionary<UUID, AssetType> assetUuids)
+        private void RecordTextureEntryAssetUuids(Primitive.TextureEntryFace texture)
         {
-            AssetBase assetBase = GetAsset(wearableAssetUuid);
+            GatheredUuids[texture.TextureID] = (sbyte)AssetType.Texture;
 
-            if (null != assetBase)
+            if (texture.MaterialID != UUID.Zero)
+                AddForInspection(texture.MaterialID);
+        }
+
+        /// <summary>
+        /// Gather all of the texture asset UUIDs used to reference "Materials" such as normal and specular maps
+        /// stored in legacy format in part.DynAttrs
+        /// </summary>
+        /// <param name="part"></param>
+        private void RecordMaterialsUuids(SceneObjectPart part)
+        {
+            // scan thru the dynAttrs map of this part for any textures used as materials
+            OSD osdMaterials = null;
+
+            lock (part.DynAttrs)
             {
-                //m_log.Debug(new System.Text.ASCIIEncoding().GetString(bodypartAsset.Data));
-                AssetWearable wearableAsset = new AssetBodypart(wearableAssetUuid, assetBase.Data);
-                wearableAsset.Decode();
-    
-                //m_log.DebugFormat(
-                //    "[ARCHIVER]: Wearable asset {0} references {1} assets", wearableAssetUuid, wearableAsset.Textures.Count);
-    
-                foreach (UUID uuid in wearableAsset.Textures.Values)
+                if (part.DynAttrs.ContainsStore("OpenSim", "Materials"))
                 {
-                    assetUuids[uuid] = AssetType.Texture;
+                    OSDMap materialsStore = part.DynAttrs.GetStore("OpenSim", "Materials");
+
+                    if (materialsStore == null)
+                        return;
+
+                    materialsStore.TryGetValue("Materials", out osdMaterials);
+                }
+
+                if (osdMaterials != null)
+                {
+                    //m_log.Info("[UUID Gatherer]: found Materials: " + OSDParser.SerializeJsonString(osd));
+
+                    if (osdMaterials is OSDArray)
+                    {
+                        OSDArray matsArr = osdMaterials as OSDArray;
+                        foreach (OSDMap matMap in matsArr)
+                        {
+                            try
+                            {
+                                if (matMap.ContainsKey("Material"))
+                                {
+                                    OSDMap mat = matMap["Material"] as OSDMap;
+                                    if (mat.ContainsKey("NormMap"))
+                                    {
+                                        UUID normalMapId = mat["NormMap"].AsUUID();
+                                        if (normalMapId != UUID.Zero)
+                                        {
+                                            GatheredUuids[normalMapId] = (sbyte)AssetType.Texture;
+                                            //m_log.Info("[UUID Gatherer]: found normal map ID: " + normalMapId.ToString());
+                                        }
+                                    }
+                                    if (mat.ContainsKey("SpecMap"))
+                                    {
+                                        UUID specularMapId = mat["SpecMap"].AsUUID();
+                                        if (specularMapId != UUID.Zero)
+                                        {
+                                            GatheredUuids[specularMapId] = (sbyte)AssetType.Texture;
+                                            //m_log.Info("[UUID Gatherer]: found specular map ID: " + specularMapId.ToString());
+                                        }
+                                    }
+                                }
+
+                            }
+                            catch (Exception e)
+                            {
+                                m_log.Warn("[UUID Gatherer]: exception getting materials: " + e.Message);
+                            }
+                        }
+                    }
                 }
             }
         }
 
         /// <summary>
+        /// Get an asset synchronously, potentially using an asynchronous callback.  If the
+        /// asynchronous callback is used, we will wait for it to complete.
+        /// </summary>
+        /// <param name="uuid"></param>
+        /// <returns></returns>
+        protected virtual AssetBase GetAsset(UUID uuid)
+        {
+            return m_assetService.Get(uuid.ToString());
+        }
+
+        /// <summary>
+        /// Record the asset uuids embedded within the given text (e.g. a script).
+        /// </summary>
+        /// <param name="textAsset"></param>
+        private void RecordTextEmbeddedAssetUuids(AssetBase textAsset)
+        {
+            //            m_log.DebugFormat("[ASSET GATHERER]: Getting assets for uuid references in asset {0}", embeddingAssetId);
+
+            string text = Utils.BytesToString(textAsset.Data);
+//            m_log.DebugFormat("[UUID GATHERER]: Text {0}", text);
+            MatchCollection uuidMatches = Util.PermissiveUUIDPattern.Matches(text);
+//            m_log.DebugFormat("[UUID GATHERER]: Found {0} matches in text", uuidMatches.Count);
+
+            foreach (Match uuidMatch in uuidMatches)
+            {
+                UUID uuid = new UUID(uuidMatch.Value);
+//                m_log.DebugFormat("[UUID GATHERER]: Recording {0} in text", uuid);
+
+                AddForInspection(uuid);
+            }
+        }
+
+        /// <summary>
+        /// Record the uuids referenced by the given wearable asset
+        /// </summary>
+        /// <param name="assetBase"></param>
+        private void RecordWearableAssetUuids(AssetBase assetBase)
+        {
+            //m_log.Debug(new System.Text.ASCIIEncoding().GetString(bodypartAsset.Data));
+            AssetWearable wearableAsset = new AssetBodypart(assetBase.FullID, assetBase.Data);
+            wearableAsset.Decode();
+
+            //m_log.DebugFormat(
+            //    "[ARCHIVER]: Wearable asset {0} references {1} assets", wearableAssetUuid, wearableAsset.Textures.Count);
+
+            foreach (UUID uuid in wearableAsset.Textures.Values)
+                GatheredUuids[uuid] = (sbyte)AssetType.Texture;
+        }
+
+        /// <summary>
         /// Get all the asset uuids associated with a given object.  This includes both those directly associated with
         /// it (e.g. face textures) and recursively, those of items within it's inventory (e.g. objects contained
         /// within this object).
         /// </summary>
-        /// <param name="sceneObject"></param>
-        /// <param name="assetUuids"></param>
-        private void GetSceneObjectAssetUuids(UUID sceneObjectUuid, IDictionary<UUID, AssetType> assetUuids)
+        /// <param name="sceneObjectAsset"></param>
+        private void RecordSceneObjectAssetUuids(AssetBase sceneObjectAsset)
         {
-            AssetBase objectAsset = GetAsset(sceneObjectUuid);
+            string xml = Utils.BytesToString(sceneObjectAsset.Data);
 
-            if (null != objectAsset)
+            CoalescedSceneObjects coa;
+            if (CoalescedSceneObjectsSerializer.TryFromXml(xml, out coa))
             {
-                string xml = Utils.BytesToString(objectAsset.Data);
-                
-                CoalescedSceneObjects coa;
-                if (CoalescedSceneObjectsSerializer.TryFromXml(xml, out coa))
-                {
-                    foreach (SceneObjectGroup sog in coa.Objects)
-                        GatherAssetUuids(sog, assetUuids);
-                }
-                else
+                foreach (SceneObjectGroup sog in coa.Objects)
+                    AddForInspection(sog);
+            }
+            else
+            {
+                SceneObjectGroup sog = SceneObjectSerializer.FromOriginalXmlFormat(xml);
+
+                if (null != sog)
+                    AddForInspection(sog);
+            }
+        }
+
+        /// <summary>
+        /// Get the asset uuid associated with a gesture
+        /// </summary>
+        /// <param name="gestureAsset"></param>
+        private void RecordGestureAssetUuids(AssetBase gestureAsset)
+        {           
+            using (MemoryStream ms = new MemoryStream(gestureAsset.Data))
+                using (StreamReader sr = new StreamReader(ms))
+            {
+                sr.ReadLine(); // Unknown (Version?)
+                sr.ReadLine(); // Unknown
+                sr.ReadLine(); // Unknown
+                sr.ReadLine(); // Name
+                sr.ReadLine(); // Comment ?
+                int count = Convert.ToInt32(sr.ReadLine()); // Item count
+
+                for (int i = 0 ; i < count ; i++)
                 {
-                    SceneObjectGroup sog = SceneObjectSerializer.FromOriginalXmlFormat(xml);
-    
-                    if (null != sog)
-                        GatherAssetUuids(sog, assetUuids);
+                    string type = sr.ReadLine();
+                    if (type == null)
+                        break;
+                    string name = sr.ReadLine();
+                    if (name == null)
+                        break;
+                    string id = sr.ReadLine();
+                    if (id == null)
+                        break;
+                    string unknown = sr.ReadLine();
+                    if (unknown == null)
+                        break;
+
+                    // If it can be parsed as a UUID, it is an asset ID
+                    UUID uuid;
+                    if (UUID.TryParse(id, out uuid))
+                        GatheredUuids[uuid] = (sbyte)AssetType.Animation;    // the asset is either an Animation or a Sound, but this distinction isn't important
                 }
             }
         }
 
         /// <summary>
-        /// Get the asset uuid associated with a gesture
+        /// Get the asset uuid's referenced in a material.
         /// </summary>
-        /// <param name="gestureUuid"></param>
-        /// <param name="assetUuids"></param>
-        private void GetGestureAssetUuids(UUID gestureUuid, IDictionary<UUID, AssetType> assetUuids)
+        private void RecordMaterialAssetUuids(AssetBase materialAsset)
         {
-            AssetBase assetBase = GetAsset(gestureUuid);
-            if (null == assetBase)
-                return;
-
-            MemoryStream ms = new MemoryStream(assetBase.Data);
-            StreamReader sr = new StreamReader(ms);
+            OSDMap mat = (OSDMap)OSDParser.DeserializeLLSDXml(materialAsset.Data);
 
-            sr.ReadLine(); // Unknown (Version?)
-            sr.ReadLine(); // Unknown
-            sr.ReadLine(); // Unknown
-            sr.ReadLine(); // Name
-            sr.ReadLine(); // Comment ?
-            int count = Convert.ToInt32(sr.ReadLine()); // Item count
+            UUID normMap = mat["NormMap"].AsUUID();
+            if (normMap != UUID.Zero)
+                GatheredUuids[normMap] = (sbyte)AssetType.Texture;
 
-            for (int i = 0 ; i < count ; i++)
-            {
-                string type = sr.ReadLine();
-                if (type == null)
-                    break;
-                string name = sr.ReadLine();
-                if (name == null)
-                    break;
-                string id = sr.ReadLine();
-                if (id == null)
-                    break;
-                string unknown = sr.ReadLine();
-                if (unknown == null)
-                    break;
-
-                // If it can be parsed as a UUID, it is an asset ID
-                UUID uuid;
-                if (UUID.TryParse(id, out uuid))
-                    assetUuids[uuid] = AssetType.Animation;
-            }
+            UUID specMap = mat["SpecMap"].AsUUID();
+            if (specMap != UUID.Zero)
+                GatheredUuids[specMap] = (sbyte)AssetType.Texture;
         }
     }
 
@@ -374,7 +568,10 @@ namespace OpenSim.Region.Framework.Scenes
         protected string m_assetServerURL;
 
         public HGUuidGatherer(IAssetService assetService, string assetServerURL)
-            : base(assetService)
+            : this(assetService, assetServerURL, new Dictionary<UUID, sbyte>()) {}
+
+        public HGUuidGatherer(IAssetService assetService, string assetServerURL, IDictionary<UUID, sbyte> collector)
+            : base(assetService, collector)
         {
             m_assetServerURL = assetServerURL;
             if (!m_assetServerURL.EndsWith("/") && !m_assetServerURL.EndsWith("="))
@@ -391,7 +588,6 @@ namespace OpenSim.Region.Framework.Scenes
 
         public AssetBase FetchAsset(UUID assetID)
         {
-
             // Test if it's already here
             AssetBase asset = m_assetService.Get(assetID.ToString());
             if (asset == null)
diff --git a/OpenSim/Region/Framework/Interfaces/IEstateDataService.cs b/OpenSim/Services/Interfaces/IEstateDataService.cs
index 35cc220..719563d 100644
--- a/OpenSim/Region/Framework/Interfaces/IEstateDataService.cs
+++ b/OpenSim/Services/Interfaces/IEstateDataService.cs
@@ -30,7 +30,7 @@ using System.Collections.Generic;
 using OpenSim.Framework;
 using OpenMetaverse;
 
-namespace OpenSim.Region.Framework.Interfaces
+namespace OpenSim.Services.Interfaces
 {
     public interface IEstateDataService
     {
diff --git a/OpenSim/Region/Framework/Interfaces/IUserManagement.cs b/OpenSim/Services/Interfaces/IUserManagement.cs
index f8088c3..9e560d5 100644
--- a/OpenSim/Region/Framework/Interfaces/IUserManagement.cs
+++ b/OpenSim/Services/Interfaces/IUserManagement.cs
@@ -30,7 +30,7 @@ using System.Collections.Generic;
 
 using OpenMetaverse;
 
-namespace OpenSim.Region.Framework.Interfaces
+namespace OpenSim.Services.Interfaces
 {
     /// <summary>
     /// This maintains the relationship between a UUID and a user name.
@@ -40,6 +40,7 @@ namespace OpenSim.Region.Framework.Interfaces
         string GetUserName(UUID uuid);
         string GetUserHomeURL(UUID uuid);
         string GetUserUUI(UUID uuid);
+        bool GetUserUUI(UUID userID, out string uui);
         string GetUserServerURL(UUID uuid, string serverType);
 
         /// <summary>