Merge branch 'careminster' into windlight

23 files changed, 535 insertions, 272 deletions

diff --git a/OpenSim/Region/ClientStack/LindenUDP/LLClientView.cs b/OpenSim/Region/ClientStack/LindenUDP/LLClientView.cs
index 6cbf1a6..2b5e632 100644
--- a/OpenSim/Region/ClientStack/LindenUDP/LLClientView.cs
+++ b/OpenSim/Region/ClientStack/LindenUDP/LLClientView.cs
@@ -352,6 +352,9 @@ namespace OpenSim.Region.ClientStack.LindenUDP
         private IHyperAssetService m_hyperAssets;
         private const bool m_checkPackets = true;
 
+        private Timer m_propertiesPacketTimer;
+        private List<ObjectPropertiesPacket.ObjectDataBlock> m_propertiesBlocks = new List<ObjectPropertiesPacket.ObjectDataBlock>();
+
         #endregion Class Members
 
         #region Properties
@@ -433,6 +436,9 @@ namespace OpenSim.Region.ClientStack.LindenUDP
             m_udpClient.OnQueueEmpty += HandleQueueEmpty;
             m_udpClient.OnPacketStats += PopulateStats;
 
+            m_propertiesPacketTimer = new Timer(100);
+            m_propertiesPacketTimer.Elapsed += ProcessObjectPropertiesPacket;
+
             RegisterLocalPacketHandlers();
         }
 
@@ -3562,42 +3568,88 @@ namespace OpenSim.Region.ClientStack.LindenUDP
             string ItemDescription, uint OwnerMask, uint NextOwnerMask, uint GroupMask, uint EveryoneMask,
             uint BaseMask, byte saleType, int salePrice)
         {
-            ObjectPropertiesPacket proper = (ObjectPropertiesPacket)PacketPool.Instance.GetPacket(PacketType.ObjectProperties);
+            //ObjectPropertiesPacket proper = (ObjectPropertiesPacket)PacketPool.Instance.GetPacket(PacketType.ObjectProperties);
             // TODO: don't create new blocks if recycling an old packet
 
-            proper.ObjectData = new ObjectPropertiesPacket.ObjectDataBlock[1];
-            proper.ObjectData[0] = new ObjectPropertiesPacket.ObjectDataBlock();
-            proper.ObjectData[0].ItemID = ItemID;
-            proper.ObjectData[0].CreationDate = CreationDate;
-            proper.ObjectData[0].CreatorID = CreatorUUID;
-            proper.ObjectData[0].FolderID = FolderUUID;
-            proper.ObjectData[0].FromTaskID = FromTaskUUID;
-            proper.ObjectData[0].GroupID = GroupUUID;
-            proper.ObjectData[0].InventorySerial = InventorySerial;
-
-            proper.ObjectData[0].LastOwnerID = LastOwnerUUID;
+            ObjectPropertiesPacket.ObjectDataBlock block =
+                    new ObjectPropertiesPacket.ObjectDataBlock();
+
+            block.ItemID = ItemID;
+            block.CreationDate = CreationDate;
+            block.CreatorID = CreatorUUID;
+            block.FolderID = FolderUUID;
+            block.FromTaskID = FromTaskUUID;
+            block.GroupID = GroupUUID;
+            block.InventorySerial = InventorySerial;
+
+            block.LastOwnerID = LastOwnerUUID;
             //            proper.ObjectData[0].LastOwnerID = UUID.Zero;
 
-            proper.ObjectData[0].ObjectID = ObjectUUID;
+            block.ObjectID = ObjectUUID;
             if (OwnerUUID == GroupUUID)
-                proper.ObjectData[0].OwnerID = UUID.Zero;
+                block.OwnerID = UUID.Zero;
             else
-                proper.ObjectData[0].OwnerID = OwnerUUID;
-            proper.ObjectData[0].TouchName = Util.StringToBytes256(TouchTitle);
-            proper.ObjectData[0].TextureID = TextureID;
-            proper.ObjectData[0].SitName = Util.StringToBytes256(SitTitle);
-            proper.ObjectData[0].Name = Util.StringToBytes256(ItemName);
-            proper.ObjectData[0].Description = Util.StringToBytes256(ItemDescription);
-            proper.ObjectData[0].OwnerMask = OwnerMask;
-            proper.ObjectData[0].NextOwnerMask = NextOwnerMask;
-            proper.ObjectData[0].GroupMask = GroupMask;
-            proper.ObjectData[0].EveryoneMask = EveryoneMask;
-            proper.ObjectData[0].BaseMask = BaseMask;
+                block.OwnerID = OwnerUUID;
+            block.TouchName = Util.StringToBytes256(TouchTitle);
+            block.TextureID = TextureID;
+            block.SitName = Util.StringToBytes256(SitTitle);
+            block.Name = Util.StringToBytes256(ItemName);
+            block.Description = Util.StringToBytes256(ItemDescription);
+            block.OwnerMask = OwnerMask;
+            block.NextOwnerMask = NextOwnerMask;
+            block.GroupMask = GroupMask;
+            block.EveryoneMask = EveryoneMask;
+            block.BaseMask = BaseMask;
             //            proper.ObjectData[0].AggregatePerms = 53;
             //            proper.ObjectData[0].AggregatePermTextures = 0;
             //            proper.ObjectData[0].AggregatePermTexturesOwner = 0;
-            proper.ObjectData[0].SaleType = saleType;
-            proper.ObjectData[0].SalePrice = salePrice;
+            block.SaleType = saleType;
+            block.SalePrice = salePrice;
+
+            lock (m_propertiesPacketTimer)
+            {
+                m_propertiesBlocks.Add(block);
+
+                int length = 0;
+                foreach (ObjectPropertiesPacket.ObjectDataBlock b in m_propertiesBlocks)
+                {
+                    length += b.Length;
+                }
+                if (length > 1100) // FIXME: use real MTU
+                {
+                    ProcessObjectPropertiesPacket(null, null);
+                    m_propertiesPacketTimer.Stop();
+                    return;
+                }
+                    
+                m_propertiesPacketTimer.Stop();
+                m_propertiesPacketTimer.Start();
+            }
+
+            //proper.Header.Zerocoded = true;
+            //OutPacket(proper, ThrottleOutPacketType.Task);
+        }
+
+        private void ProcessObjectPropertiesPacket(Object sender, ElapsedEventArgs e)
+        {
+            ObjectPropertiesPacket proper = (ObjectPropertiesPacket)PacketPool.Instance.GetPacket(PacketType.ObjectProperties);
+
+            lock (m_propertiesPacketTimer)
+            {
+                m_propertiesPacketTimer.Stop();
+
+                proper.ObjectData = new ObjectPropertiesPacket.ObjectDataBlock[m_propertiesBlocks.Count];
+
+                int index = 0;
+
+                foreach (ObjectPropertiesPacket.ObjectDataBlock b in m_propertiesBlocks)
+                {
+                    proper.ObjectData[index++] = b;
+                }
+
+                m_propertiesBlocks.Clear();
+            }
+
             proper.Header.Zerocoded = true;
             OutPacket(proper, ThrottleOutPacketType.Task);
         }
@@ -5504,6 +5556,24 @@ namespace OpenSim.Region.ClientStack.LindenUDP
 
             if (avSetStartLocationRequestPacket.AgentData.AgentID == AgentId && avSetStartLocationRequestPacket.AgentData.SessionID == SessionId)
             {
+                // Linden Client limitation..     
+                if (avSetStartLocationRequestPacket.StartLocationData.LocationPos.X == 255.5f
+                    || avSetStartLocationRequestPacket.StartLocationData.LocationPos.Y == 255.5f)
+                {
+                    ScenePresence avatar = null;
+                    if (((Scene)m_scene).TryGetAvatar(AgentId, out avatar))
+                    {
+                        if (avSetStartLocationRequestPacket.StartLocationData.LocationPos.X == 255.5f)
+                        {
+                            avSetStartLocationRequestPacket.StartLocationData.LocationPos.X = avatar.AbsolutePosition.X;
+                        }
+                        if (avSetStartLocationRequestPacket.StartLocationData.LocationPos.Y == 255.5f)
+                        {
+                            avSetStartLocationRequestPacket.StartLocationData.LocationPos.Y = avatar.AbsolutePosition.Y;
+                        }
+                    }
+
+                }
                 TeleportLocationRequest handlerSetStartLocationRequest = OnSetStartLocationRequest;
                 if (handlerSetStartLocationRequest != null)
                 {
diff --git a/OpenSim/Region/ClientStack/LindenUDP/LLUDPClient.cs b/OpenSim/Region/ClientStack/LindenUDP/LLUDPClient.cs
index 1e5f15a..55d9c9c 100644
--- a/OpenSim/Region/ClientStack/LindenUDP/LLUDPClient.cs
+++ b/OpenSim/Region/ClientStack/LindenUDP/LLUDPClient.cs
@@ -1,4 +1,4 @@
-/*
+/*
  * Copyright (c) Contributors, http://opensimulator.org/
  * See CONTRIBUTORS.TXT for a full list of copyright holders.
  *
@@ -430,7 +430,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
                         // Send the packet
                         m_udpServer.SendPacketFinal(nextPacket);
                         m_nextPackets[i] = null;
-                        packetSent = true;

+                        packetSent = true;
                         this.PacketsSent++;
                     }
                 }
diff --git a/OpenSim/Region/CoreModules/InterGrid/OpenGridProtocolModule.cs b/OpenSim/Region/CoreModules/InterGrid/OpenGridProtocolModule.cs
index 62500a2..c727cec 100644
--- a/OpenSim/Region/CoreModules/InterGrid/OpenGridProtocolModule.cs
+++ b/OpenSim/Region/CoreModules/InterGrid/OpenGridProtocolModule.cs
@@ -527,7 +527,6 @@ namespace OpenSim.Region.CoreModules.InterGrid
             userProfile.Partner = UUID.Zero;
             userProfile.PasswordHash = "$1$";
             userProfile.PasswordSalt = "";
-            userProfile.RootInventoryFolderID = UUID.Zero;
             userProfile.SurName = agentData.lastname;
             userProfile.UserAssetURI = homeScene.CommsManager.NetworkServersInfo.AssetURL;
             userProfile.UserFlags = 0;
diff --git a/OpenSim/Region/CoreModules/ServiceConnectorsOut/Authorization/RemoteAuthorizationServiceConnector.cs b/OpenSim/Region/CoreModules/ServiceConnectorsOut/Authorization/RemoteAuthorizationServiceConnector.cs
index fca2df2..68499f3 100644
--- a/OpenSim/Region/CoreModules/ServiceConnectorsOut/Authorization/RemoteAuthorizationServiceConnector.cs
+++ b/OpenSim/Region/CoreModules/ServiceConnectorsOut/Authorization/RemoteAuthorizationServiceConnector.cs
@@ -70,7 +70,7 @@ namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Authorization
                     IConfig authorizationConfig = source.Configs["AuthorizationService"];
                     if (authorizationConfig == null)
                     {
-                        m_log.Error("[REMOTE AUTHORIZATION CONNECTOR]: AuthorizationService missing from OpenSim.ini");
+                        m_log.Info("[REMOTE AUTHORIZATION CONNECTOR]: AuthorizationService missing from OpenSim.ini");
                         return;
                     }
 
diff --git a/OpenSim/Region/CoreModules/World/Estate/EstateManagementModule.cs b/OpenSim/Region/CoreModules/World/Estate/EstateManagementModule.cs
index e3a395e..b1dcb14 100644
--- a/OpenSim/Region/CoreModules/World/Estate/EstateManagementModule.cs
+++ b/OpenSim/Region/CoreModules/World/Estate/EstateManagementModule.cs
@@ -471,20 +471,45 @@ namespace OpenSim.Region.CoreModules.World.Estate
             if (terr != null)
             {
                 m_log.Warn("[CLIENT]: Got Request to Send Terrain in region " + m_scene.RegionInfo.RegionName);
-                if (File.Exists(Util.dataDir() + "/terrain.raw"))
-                {
-                    File.Delete(Util.dataDir() + "/terrain.raw");
-                }
+
                 try
                 {
-                    FileStream input = new FileStream(Util.dataDir() + "/terrain.raw", FileMode.CreateNew);
+
+                    string localfilename = "terrain.raw";
+
+                    if (terrainData.Length == 851968)
+                    {
+                        localfilename = Path.Combine(Util.dataDir(),"terrain.raw"); // It's a .LLRAW
+                    }
+
+                    if (terrainData.Length == 196662) // 24-bit 256x256 Bitmap
+                        localfilename = Path.Combine(Util.dataDir(), "terrain.bmp");
+
+                    if (terrainData.Length == 256 * 256 * 4) // It's a .R32
+                        localfilename = Path.Combine(Util.dataDir(), "terrain.r32");
+
+                    if (terrainData.Length == 256 * 256 * 8) // It's a .R64
+                        localfilename = Path.Combine(Util.dataDir(), "terrain.r64");
+
+                    if (File.Exists(localfilename))
+                    {
+                        File.Delete(localfilename);
+                    }
+
+                    FileStream input = new FileStream(localfilename, FileMode.CreateNew);
                     input.Write(terrainData, 0, terrainData.Length);
                     input.Close();
+
+                    FileInfo x = new FileInfo(localfilename);
+
+                    terr.LoadFromFile(localfilename);
+                    remoteClient.SendAlertMessage("Your terrain was loaded as a ." + x.Extension + " file. It may take a few moments to appear.");
+
                 }
                 catch (IOException e)
                 {
                     m_log.ErrorFormat("[TERRAIN]: Error Saving a terrain file uploaded via the estate tools.  It gave us the following error: {0}", e.ToString());
-                    remoteClient.SendAlertMessage("There was an IO Exception loading your terrain.  Please check free space");
+                    remoteClient.SendAlertMessage("There was an IO Exception loading your terrain.  Please check free space.");
 
                     return;
                 }
@@ -502,29 +527,16 @@ namespace OpenSim.Region.CoreModules.World.Estate
 
                     return;
                 }
-
-
-
-
-                try
-                {
-                    terr.LoadFromFile(Util.dataDir() + "/terrain.raw");
-                    remoteClient.SendAlertMessage("Your terrain was loaded. Give it a minute or two to apply");
-                }
                 catch (Exception e)
                 {
                     m_log.ErrorFormat("[TERRAIN]: Error loading a terrain file uploaded via the estate tools.  It gave us the following error: {0}", e.ToString());
                     remoteClient.SendAlertMessage("There was a general error loading your terrain.  Please fix the terrain file and try again");
                 }
-
             }
             else
             {
                 remoteClient.SendAlertMessage("Unable to apply terrain.  Cannot get an instance of the terrain module");
             }
-
-
-
         }
 
         private void handleUploadTerrain(IClientAPI remote_client, string clientFileName)
diff --git a/OpenSim/Region/CoreModules/World/Terrain/TerrainModule.cs b/OpenSim/Region/CoreModules/World/Terrain/TerrainModule.cs
index ba271fd..a40828b 100644
--- a/OpenSim/Region/CoreModules/World/Terrain/TerrainModule.cs
+++ b/OpenSim/Region/CoreModules/World/Terrain/TerrainModule.cs
@@ -29,6 +29,7 @@ using System;
 using System.Collections.Generic;
 using System.IO;
 using System.Reflection;
+using System.Net;
 using log4net;
 using Nini.Config;
 using OpenMetaverse;
@@ -259,6 +260,16 @@ namespace OpenSim.Region.CoreModules.World.Terrain
         }
 
         /// <summary>
+        /// Loads a terrain file from the specified URI
+        /// </summary>
+        /// <param name="filename">The name of the terrain to load</param>
+        /// <param name="pathToTerrainHeightmap">The URI to the terrain height map</param>
+        public void LoadFromStream(string filename, Uri pathToTerrainHeightmap)
+        {
+            LoadFromStream(filename, URIFetch(pathToTerrainHeightmap));
+        }
+
+        /// <summary>
         /// Loads a terrain file from a stream and installs it in the scene.
         /// </summary>
         /// <param name="filename">Filename to terrain file. Type is determined by extension.</param>
@@ -267,7 +278,7 @@ namespace OpenSim.Region.CoreModules.World.Terrain
         {
             foreach (KeyValuePair<string, ITerrainLoader> loader in m_loaders)
             {
-                if (@filename.EndsWith(loader.Key))
+                if (filename.EndsWith(loader.Key))
                 {
                     lock (m_scene)
                     {
@@ -295,6 +306,25 @@ namespace OpenSim.Region.CoreModules.World.Terrain
             throw new TerrainException(String.Format("unable to load heightmap from file {0}: no loader available for that format", filename));
         }
 
+        private static Stream URIFetch(Uri uri)
+        {
+            HttpWebRequest request = (HttpWebRequest)WebRequest.Create(uri);
+
+            // request.Credentials = credentials;
+
+            request.ContentLength = 0;
+            request.KeepAlive = false;
+
+            WebResponse response = request.GetResponse();
+            Stream file = response.GetResponseStream();
+
+            if (response.ContentLength == 0)
+                throw new Exception(String.Format("{0} returned an empty file", uri.ToString()));
+
+            // return new BufferedStream(file, (int) response.ContentLength);
+            return new BufferedStream(file, 1000000);
+        }
+
         /// <summary>
         /// Modify Land
         /// </summary>
diff --git a/OpenSim/Region/Framework/Interfaces/ITerrainModule.cs b/OpenSim/Region/Framework/Interfaces/ITerrainModule.cs
index 2dcba0c..7caac55 100644
--- a/OpenSim/Region/Framework/Interfaces/ITerrainModule.cs
+++ b/OpenSim/Region/Framework/Interfaces/ITerrainModule.cs
@@ -51,7 +51,7 @@ namespace OpenSim.Region.Framework.Interfaces
         /// </param>
         /// <param name="stream"></param>
         void LoadFromStream(string filename, Stream stream);
-
+        void LoadFromStream(string filename, System.Uri pathToTerrainHeightmap);
         /// <summary>
         /// Save a terrain to a stream.
         /// </summary>
diff --git a/OpenSim/Region/Framework/Scenes/Animation/ScenePresenceAnimator.cs b/OpenSim/Region/Framework/Scenes/Animation/ScenePresenceAnimator.cs
index b031f61..50624a1 100644
--- a/OpenSim/Region/Framework/Scenes/Animation/ScenePresenceAnimator.cs
+++ b/OpenSim/Region/Framework/Scenes/Animation/ScenePresenceAnimator.cs
@@ -448,5 +448,11 @@ namespace OpenSim.Region.Framework.Scenes.Animation
 
             SendAnimPack(animIDs, sequenceNums, objectIDs);
         }
+
+        public void Close()
+        {
+            m_animations = null;
+            m_scenePresence = null;
+        }
     }
 }
diff --git a/OpenSim/Region/Framework/Scenes/EntityManager.cs b/OpenSim/Region/Framework/Scenes/EntityManager.cs
index 099fcce..c246e32 100644
--- a/OpenSim/Region/Framework/Scenes/EntityManager.cs
+++ b/OpenSim/Region/Framework/Scenes/EntityManager.cs
@@ -40,7 +40,7 @@ namespace OpenSim.Region.Framework.Scenes
         private readonly Dictionary<UUID,EntityBase> m_eb_uuid = new Dictionary<UUID, EntityBase>();
         private readonly Dictionary<uint, EntityBase> m_eb_localID = new Dictionary<uint, EntityBase>();
         //private readonly Dictionary<UUID, ScenePresence> m_pres_uuid = new Dictionary<UUID, ScenePresence>();
-        private readonly Object m_lock = new Object();
+        private System.Threading.ReaderWriterLockSlim m_lock = new System.Threading.ReaderWriterLockSlim();
 
         [Obsolete("Use Add() instead.")]
         public void Add(UUID id, EntityBase eb)
@@ -50,7 +50,8 @@ namespace OpenSim.Region.Framework.Scenes
 
         public void Add(EntityBase entity)
         {
-            lock (m_lock)
+            m_lock.EnterWriteLock();
+            try
             {
                 try
                 {
@@ -62,11 +63,16 @@ namespace OpenSim.Region.Framework.Scenes
                     m_log.ErrorFormat("Add Entity failed: {0}", e.Message);
                 }
             }
+            finally
+            {
+                m_lock.ExitWriteLock();
+            }
         }
 
         public void InsertOrReplace(EntityBase entity)
         {
-            lock (m_lock)
+            m_lock.EnterWriteLock();
+            try
             {
                 try
                 {
@@ -78,15 +84,24 @@ namespace OpenSim.Region.Framework.Scenes
                     m_log.ErrorFormat("Insert or Replace Entity failed: {0}", e.Message);
                 }
             }
+            finally
+            {
+                m_lock.ExitWriteLock();
+            }
         }
 
         public void Clear()
         {
-            lock (m_lock)
+            m_lock.EnterWriteLock();
+            try
             {
                 m_eb_uuid.Clear();
                 m_eb_localID.Clear();
             }
+            finally
+            {
+                m_lock.ExitWriteLock();
+            }
         }
 
         public int Count
@@ -123,7 +138,8 @@ namespace OpenSim.Region.Framework.Scenes
 
         public bool Remove(uint localID)
         {
-            lock (m_lock)
+            m_lock.EnterWriteLock();
+            try
             {
                 try
                 {
@@ -141,11 +157,16 @@ namespace OpenSim.Region.Framework.Scenes
                     return false;
                 }
             }
+            finally
+            {
+                m_lock.ExitWriteLock();
+            }
         }
 
         public bool Remove(UUID id)
         {
-            lock (m_lock)
+            m_lock.EnterWriteLock();
+            try
             {
                 try 
                 {
@@ -163,13 +184,18 @@ namespace OpenSim.Region.Framework.Scenes
                     return false;
                 }
             }
+            finally
+            {
+                m_lock.ExitWriteLock();
+            }
         }
 
         public List<EntityBase> GetAllByType<T>()
         {
             List<EntityBase> tmp = new List<EntityBase>();
 
-            lock (m_lock)
+            m_lock.EnterReadLock();
+            try
             {
                 try
                 {
@@ -187,23 +213,33 @@ namespace OpenSim.Region.Framework.Scenes
                     tmp = null;
                 }
             }
+            finally
+            {
+                m_lock.ExitReadLock();
+            }
 
             return tmp;
         }
 
         public List<EntityBase> GetEntities()
         {
-            lock (m_lock)
+            m_lock.EnterReadLock();
+            try
             {
                 return new List<EntityBase>(m_eb_uuid.Values);
             }
+            finally
+            {
+                m_lock.ExitReadLock();
+            }
         }
 
         public EntityBase this[UUID id]
         {
             get
             {
-                lock (m_lock)
+                m_lock.EnterReadLock();
+                try
                 {
                     EntityBase entity;
                     if (m_eb_uuid.TryGetValue(id, out entity))
@@ -211,6 +247,10 @@ namespace OpenSim.Region.Framework.Scenes
                     else
                         return null;
                 }
+                finally
+                {
+                    m_lock.ExitReadLock();
+                }
             }
             set
             {
@@ -222,7 +262,8 @@ namespace OpenSim.Region.Framework.Scenes
         {
             get
             {
-                lock (m_lock)
+                m_lock.EnterReadLock();
+                try
                 {
                     EntityBase entity;
                     if (m_eb_localID.TryGetValue(localID, out entity))
@@ -230,6 +271,10 @@ namespace OpenSim.Region.Framework.Scenes
                     else
                         return null;
                 }
+                finally
+                {
+                    m_lock.ExitReadLock();
+                }
             }
             set
             {
@@ -239,18 +284,28 @@ namespace OpenSim.Region.Framework.Scenes
 
         public bool TryGetValue(UUID key, out EntityBase obj)
         {
-            lock (m_lock)
+            m_lock.EnterReadLock();
+            try
             {
                 return m_eb_uuid.TryGetValue(key, out obj);
             }
+            finally
+            {
+                m_lock.ExitReadLock();
+            }
         }
 
         public bool TryGetValue(uint key, out EntityBase obj)
         {
-            lock (m_lock)
+            m_lock.EnterReadLock();
+            try
             {
                 return m_eb_localID.TryGetValue(key, out obj);
             }
+            finally
+            {
+                m_lock.ExitReadLock();
+            }
         }
 
         /// <summary>
diff --git a/OpenSim/Region/Framework/Scenes/Scene.Inventory.cs b/OpenSim/Region/Framework/Scenes/Scene.Inventory.cs
index 83208e9..7ca779a 100644
--- a/OpenSim/Region/Framework/Scenes/Scene.Inventory.cs
+++ b/OpenSim/Region/Framework/Scenes/Scene.Inventory.cs
@@ -1726,10 +1726,19 @@ namespace OpenSim.Region.Framework.Scenes
 
                 if (folderID == UUID.Zero && folder == null)
                 {
-                    // Catch all. Use lost & found
-                    //
+                    if (action == DeRezAction.Delete)
+                    {
+                        // Deletes go to trash by default
+                        //
+                        folder = InventoryService.GetFolderForType(userID, AssetType.TrashFolder);
+                    }
+                    else
+                    {
+                        // Catch all. Use lost & found
+                        //
 
-                    folder = InventoryService.GetFolderForType(userID, AssetType.LostAndFoundFolder);
+                        folder = InventoryService.GetFolderForType(userID, AssetType.LostAndFoundFolder);
+                    }
                 }
 
                 if (folder == null) // None of the above
@@ -2388,6 +2397,12 @@ namespace OpenSim.Region.Framework.Scenes
                 InventoryItemBase item = new InventoryItemBase(itemID, remoteClient.AgentId);
                 item = InventoryService.GetItem(item);
                 presence.Appearance.SetAttachment((int)AttachmentPt, itemID, item.AssetID /*att.UUID*/);
+
+                if (m_AvatarFactory != null)
+                {
+                    m_AvatarFactory.UpdateDatabase(remoteClient.AgentId, presence.Appearance);
+                }
+
             }
         }
 
diff --git a/OpenSim/Region/Framework/Scenes/Scene.cs b/OpenSim/Region/Framework/Scenes/Scene.cs
index f70af27..8d91d65 100644
--- a/OpenSim/Region/Framework/Scenes/Scene.cs
+++ b/OpenSim/Region/Framework/Scenes/Scene.cs
@@ -3048,6 +3048,7 @@ namespace OpenSim.Region.Framework.Scenes
                 // TODO: The next line can be removed, as soon as only homeRegionID based UserServers are around.
                 // TODO: The HomeRegion property can be removed then, too
                 UserProfile.HomeRegion = RegionInfo.RegionHandle;
+
                 UserProfile.HomeLocation = position;
                 UserProfile.HomeLookAt = lookAt;
                 CommsManager.UserService.UpdateUserProfile(UserProfile);
diff --git a/OpenSim/Region/Framework/Scenes/SceneGraph.cs b/OpenSim/Region/Framework/Scenes/SceneGraph.cs
index 2fdb48d..f74fd5d 100644
--- a/OpenSim/Region/Framework/Scenes/SceneGraph.cs
+++ b/OpenSim/Region/Framework/Scenes/SceneGraph.cs
@@ -26,6 +26,7 @@
  */
 
 using System;
+using System.Threading;
 using System.Collections.Generic;
 using System.Reflection;
 using OpenMetaverse;
@@ -96,6 +97,8 @@ namespace OpenSim.Region.Framework.Scenes
         protected internal Dictionary<UUID, SceneObjectGroup> SceneObjectGroupsByFullID = new Dictionary<UUID, SceneObjectGroup>();
         private readonly Object m_dictionary_lock = new Object();
 
+        private Object m_updateLock = new Object();
+
         #endregion
 
         protected internal SceneGraph(Scene parent, RegionInfo regInfo)
@@ -369,6 +372,9 @@ namespace OpenSim.Region.Framework.Scenes
         /// </summary>
         protected internal void UpdateObjectGroups()
         {
+            if (!Monitor.TryEnter(m_updateLock))
+                return;
+
             List<SceneObjectGroup> updates;
 
             // Some updates add more updates to the updateList. 
@@ -395,6 +401,7 @@ namespace OpenSim.Region.Framework.Scenes
                         "[INNER SCENE]: Failed to update {0}, {1} - {2}", sog.Name, sog.UUID, e);
                 }
             }
+            Monitor.Exit(m_updateLock);
         }
 
         protected internal void AddPhysicalPrim(int number)
@@ -1555,55 +1562,65 @@ namespace OpenSim.Region.Framework.Scenes
         /// <param name="childPrims"></param>
         protected internal void LinkObjects(IClientAPI client, uint parentPrimId, List<uint> childPrimIds)
         {
-            SceneObjectGroup parentGroup = GetGroupByPrim(parentPrimId);
-
-            List<SceneObjectGroup> childGroups = new List<SceneObjectGroup>();
-            if (parentGroup != null)
+            Monitor.Enter(m_updateLock);
+            try
             {
-                // We do this in reverse to get the link order of the prims correct
-                for (int i = childPrimIds.Count - 1; i >= 0; i--)
+                SceneObjectGroup parentGroup = GetGroupByPrim(parentPrimId);
+
+                List<SceneObjectGroup> childGroups = new List<SceneObjectGroup>();
+                if (parentGroup != null)
                 {
-                    SceneObjectGroup child = GetGroupByPrim(childPrimIds[i]);
-                    if (child != null)
+                    // We do this in reverse to get the link order of the prims correct
+                    for (int i = childPrimIds.Count - 1; i >= 0; i--)
                     {
-                        // Make sure no child prim is set for sale
-                        // So that, on delink, no prims are unwittingly
-                        // left for sale and sold off
-                        child.RootPart.ObjectSaleType = 0;
-                        child.RootPart.SalePrice = 10;
-                        childGroups.Add(child);
+                        SceneObjectGroup child = GetGroupByPrim(childPrimIds[i]);
+                        if (child != null)
+                        {
+                            // Make sure no child prim is set for sale
+                            // So that, on delink, no prims are unwittingly
+                            // left for sale and sold off
+                            child.RootPart.ObjectSaleType = 0;
+                            child.RootPart.SalePrice = 10;
+                            childGroups.Add(child);
+                        }
                     }
                 }
-            }
-            else
-            {
-                return; // parent is null so not in this region
-            }
+                else
+                {
+                    return; // parent is null so not in this region
+                }
 
-            foreach (SceneObjectGroup child in childGroups)
-            {
-                parentGroup.LinkToGroup(child);
+                foreach (SceneObjectGroup child in childGroups)
+                {
+                    parentGroup.LinkToGroup(child);
 
-                // this is here so physics gets updated!
-                // Don't remove!  Bad juju!  Stay away! or fix physics!
-                child.AbsolutePosition = child.AbsolutePosition;
-            }
+                    // this is here so physics gets updated!
+                    // Don't remove!  Bad juju!  Stay away! or fix physics!
+                    child.AbsolutePosition = child.AbsolutePosition;
+                }
 
-            // We need to explicitly resend the newly link prim's object properties since no other actions
-            // occur on link to invoke this elsewhere (such as object selection)
-            parentGroup.RootPart.AddFlag(PrimFlags.CreateSelected);
-            parentGroup.TriggerScriptChangedEvent(Changed.LINK);
-            
-            if (client != null)
-            {
-                parentGroup.GetProperties(client);
+                // We need to explicitly resend the newly link prim's object properties since no other actions
+                // occur on link to invoke this elsewhere (such as object selection)
+                parentGroup.RootPart.AddFlag(PrimFlags.CreateSelected);
+                parentGroup.TriggerScriptChangedEvent(Changed.LINK);
+                parentGroup.HasGroupChanged = true;
+                parentGroup.ScheduleGroupForFullUpdate();
+                
+//                if (client != null)
+//                {
+//                    parentGroup.GetProperties(client);
+//                }
+//                else
+//                {
+//                    foreach (ScenePresence p in GetScenePresences())
+//                    {
+//                        parentGroup.GetProperties(p.ControllingClient);
+//                    }
+//                }
             }
-            else
+            finally
             {
-                foreach (ScenePresence p in GetScenePresences())
-                {
-                    parentGroup.GetProperties(p.ControllingClient);
-                }
+                Monitor.Exit(m_updateLock);
             }
         }
 
@@ -1618,109 +1635,120 @@ namespace OpenSim.Region.Framework.Scenes
 
         protected internal void DelinkObjects(List<uint> primIds, bool sendEvents)
         {
-            List<SceneObjectPart> childParts = new List<SceneObjectPart>();
-            List<SceneObjectPart> rootParts = new List<SceneObjectPart>();
-            List<SceneObjectGroup> affectedGroups = new List<SceneObjectGroup>();
-            // Look them all up in one go, since that is comparatively expensive
-            //
-            foreach (uint primID in primIds)
+            Monitor.Enter(m_updateLock);
+            try
             {
-                SceneObjectPart part = m_parentScene.GetSceneObjectPart(primID);
-                if (part != null)
+                List<SceneObjectPart> childParts = new List<SceneObjectPart>();
+                List<SceneObjectPart> rootParts = new List<SceneObjectPart>();
+                List<SceneObjectGroup> affectedGroups = new List<SceneObjectGroup>();
+                // Look them all up in one go, since that is comparatively expensive
+                //
+                foreach (uint primID in primIds)
                 {
-                    if (part.LinkNum < 2) // Root or single
-                        rootParts.Add(part);
+                    SceneObjectPart part = m_parentScene.GetSceneObjectPart(primID);
+                    if (part != null)
+                    {
+                        if (part.ParentGroup.Children.Count != 1) // Skip single
+                        {
+                            if (part.LinkNum < 2) // Root
+                                rootParts.Add(part);
+                            else
+                                childParts.Add(part);
+
+                            SceneObjectGroup group = part.ParentGroup;
+                            if (!affectedGroups.Contains(group))
+                                affectedGroups.Add(group);
+                        }
+                    }
                     else
-                        childParts.Add(part);
-
-                    SceneObjectGroup group = part.ParentGroup;
-                    if (!affectedGroups.Contains(group))
-                        affectedGroups.Add(group);
+                    {
+                        m_log.ErrorFormat("Viewer requested unlink of nonexistent part {0}", primID);
+                    }
                 }
-                else
+
+                foreach (SceneObjectPart child in childParts)
                 {
-                    m_log.ErrorFormat("Viewer requested unlink of nonexistent part {0}", primID);
+                    // Unlink all child parts from their groups
+                    //
+                    child.ParentGroup.DelinkFromGroup(child, sendEvents);
                 }
-            }
-
-            foreach (SceneObjectPart child in childParts)
-            {
-                // Unlink all child parts from their groups
-                //
-                child.ParentGroup.DelinkFromGroup(child, sendEvents);
-            }
-
-            foreach (SceneObjectPart root in rootParts)
-            {
-                // In most cases, this will run only one time, and the prim
-                // will be a solo prim
-                // However, editing linked parts and unlinking may be different
-                //
-                SceneObjectGroup group = root.ParentGroup;
-                List<SceneObjectPart> newSet = new List<SceneObjectPart>(group.Children.Values);
-                int numChildren = group.Children.Count;
 
-                // If there are prims left in a link set, but the root is
-                // slated for unlink, we need to do this
-                //
-                if (numChildren != 1)
+                foreach (SceneObjectPart root in rootParts)
                 {
-                    // Unlink the remaining set
+                    // In most cases, this will run only one time, and the prim
+                    // will be a solo prim
+                    // However, editing linked parts and unlinking may be different
                     //
-                    bool sendEventsToRemainder = true;
-                    if (numChildren > 1)
-                        sendEventsToRemainder = false;
-
-                    foreach (SceneObjectPart p in newSet)
-                    {
-                        if (p != group.RootPart)
-                            group.DelinkFromGroup(p, sendEventsToRemainder);
-                    }
+                    SceneObjectGroup group = root.ParentGroup;
+                    List<SceneObjectPart> newSet = new List<SceneObjectPart>(group.Children.Values);
+                    int numChildren = group.Children.Count;
 
-                    // If there is more than one prim remaining, we
-                    // need to re-link
+                    // If there are prims left in a link set, but the root is
+                    // slated for unlink, we need to do this
                     //
-                    if (numChildren > 2)
+                    if (numChildren != 1)
                     {
-                        // Remove old root
+                        // Unlink the remaining set
                         //
-                        if (newSet.Contains(root))
-                            newSet.Remove(root);
+                        bool sendEventsToRemainder = true;
+                        if (numChildren > 1)
+                            sendEventsToRemainder = false;
 
-                        // Preserve link ordering
-                        //
-                        newSet.Sort(delegate (SceneObjectPart a, SceneObjectPart b)
+                        foreach (SceneObjectPart p in newSet)
                         {
-                            return a.LinkNum.CompareTo(b.LinkNum);
-                        });
+                            if (p != group.RootPart)
+                                group.DelinkFromGroup(p, sendEventsToRemainder);
+                        }
 
-                        // Determine new root
+                        // If there is more than one prim remaining, we
+                        // need to re-link
                         //
-                        SceneObjectPart newRoot = newSet[0];
-                        newSet.RemoveAt(0);
+                        if (numChildren > 2)
+                        {
+                            // Remove old root
+                            //
+                            if (newSet.Contains(root))
+                                newSet.Remove(root);
+
+                            // Preserve link ordering
+                            //
+                            newSet.Sort(delegate (SceneObjectPart a, SceneObjectPart b)
+                            {
+                                return a.LinkNum.CompareTo(b.LinkNum);
+                            });
 
-                        List<uint> linkIDs = new List<uint>();
+                            // Determine new root
+                            //
+                            SceneObjectPart newRoot = newSet[0];
+                            newSet.RemoveAt(0);
 
-                        foreach (SceneObjectPart newChild in newSet)
-                        {
-                            newChild.UpdateFlag = 0;
-                            linkIDs.Add(newChild.LocalId);
-                        }
+                            List<uint> linkIDs = new List<uint>();
+
+                            foreach (SceneObjectPart newChild in newSet)
+                            {
+                                newChild.UpdateFlag = 0;
+                                linkIDs.Add(newChild.LocalId);
+                            }
 
-                        LinkObjects(null, newRoot.LocalId, linkIDs);
-                        if (!affectedGroups.Contains(newRoot.ParentGroup))
-                            affectedGroups.Add(newRoot.ParentGroup);
+                            LinkObjects(null, newRoot.LocalId, linkIDs);
+                            if (!affectedGroups.Contains(newRoot.ParentGroup))
+                                affectedGroups.Add(newRoot.ParentGroup);
+                        }
                     }
                 }
-            }
 
-            // Finally, trigger events in the roots
-            //
-            foreach (SceneObjectGroup g in affectedGroups)
+                // Finally, trigger events in the roots
+                //
+                foreach (SceneObjectGroup g in affectedGroups)
+                {
+                    g.TriggerScriptChangedEvent(Changed.LINK);
+                    g.HasGroupChanged = true; // Persist
+                    g.ScheduleGroupForFullUpdate();
+                }
+            }
+            finally
             {
-                g.TriggerScriptChangedEvent(Changed.LINK);
-                g.HasGroupChanged = true; // Persist
-                g.ScheduleGroupForFullUpdate();
+                Monitor.Exit(m_updateLock);
             }
         }
 
diff --git a/OpenSim/Region/Framework/Scenes/SceneObjectGroup.cs b/OpenSim/Region/Framework/Scenes/SceneObjectGroup.cs
index 42481ff..eacd219 100644
--- a/OpenSim/Region/Framework/Scenes/SceneObjectGroup.cs
+++ b/OpenSim/Region/Framework/Scenes/SceneObjectGroup.cs
@@ -126,7 +126,10 @@ namespace OpenSim.Region.Framework.Scenes
             }
             else
             {
-                m_partsLock.ExitReadLock();
+                if (m_partsLock.RecursiveReadCount > 0)
+                {
+                    m_partsLock.ExitReadLock();
+                }
             }
         }
         public void lockPartsForWrite(bool locked)
@@ -155,7 +158,10 @@ namespace OpenSim.Region.Framework.Scenes
             }
             else
             {
-                m_partsLock.ExitWriteLock();
+                if (m_partsLock.RecursiveWriteCount > 0)
+                {
+                    m_partsLock.ExitWriteLock();
+                }
             }
         }
 
@@ -2292,14 +2298,14 @@ namespace OpenSim.Region.Framework.Scenes
         public void LinkToGroup(SceneObjectGroup objectGroup)
         {
             // Make sure we have sent any pending unlinks or stuff.
-            if (objectGroup.RootPart.UpdateFlag > 0)
-            {
-                m_log.WarnFormat(
-                    "[SCENE OBJECT GROUP]: Forcing send of linkset {0}, {1} to {2}, {3} as its still waiting.",
-                    objectGroup.RootPart.Name, objectGroup.RootPart.UUID, RootPart.Name, RootPart.UUID);
+            //if (objectGroup.RootPart.UpdateFlag > 0)
+            //{
+            //    m_log.WarnFormat(
+            //        "[SCENE OBJECT GROUP]: Forcing send of linkset {0}, {1} to {2}, {3} as its still waiting.",
+            //        objectGroup.RootPart.Name, objectGroup.RootPart.UUID, RootPart.Name, RootPart.UUID);
 
-                objectGroup.RootPart.SendScheduledUpdates();
-            }
+            //    objectGroup.RootPart.SendScheduledUpdates();
+            //}
 
 //            m_log.DebugFormat(
 //                "[SCENE OBJECT GROUP]: Linking group with root part {0}, {1} to group with root part {2}, {3}",
@@ -2389,8 +2395,8 @@ namespace OpenSim.Region.Framework.Scenes
             // unmoved prims!
             ResetChildPrimPhysicsPositions();
 
-            HasGroupChanged = true;
-            ScheduleGroupForFullUpdate();
+            //HasGroupChanged = true;
+            //ScheduleGroupForFullUpdate();
         }
 
         /// <summary>
@@ -2483,8 +2489,8 @@ namespace OpenSim.Region.Framework.Scenes
 
             linkPart.Rezzed = RootPart.Rezzed;
 
-            HasGroupChanged = true;
-            ScheduleGroupForFullUpdate();
+            //HasGroupChanged = true;
+            //ScheduleGroupForFullUpdate();
         }
 
         /// <summary>
@@ -2776,8 +2782,13 @@ namespace OpenSim.Region.Framework.Scenes
                 {
                     if (part.Scale.X > 10.0 || part.Scale.Y > 10.0 || part.Scale.Z > 10.0)
                     {
-                        UsePhysics = false; // Reset physics
-                        break;
+                        if (part.Scale.X > m_scene.RegionInfo.PhysPrimMax || 
+                            part.Scale.Y > m_scene.RegionInfo.PhysPrimMax ||
+                            part.Scale.Z > m_scene.RegionInfo.PhysPrimMax)
+                        {
+                            UsePhysics = false; // Reset physics
+                            break;
+                        }
                     }
                 }
 
diff --git a/OpenSim/Region/Framework/Scenes/SceneObjectPartInventory.cs b/OpenSim/Region/Framework/Scenes/SceneObjectPartInventory.cs
index eca8588..b57d912 100644
--- a/OpenSim/Region/Framework/Scenes/SceneObjectPartInventory.cs
+++ b/OpenSim/Region/Framework/Scenes/SceneObjectPartInventory.cs
@@ -269,8 +269,9 @@ namespace OpenSim.Region.Framework.Scenes
                                    {
                                        m_log.ErrorFormat(
                                            "[PRIM INVENTORY]: " +
-                                           "Couldn't start script {0}, {1} since asset ID {2} could not be found",
-                                           item.Name, item.ItemID, item.AssetID);
+                                           "Couldn't start script {0}, {1} at {2} in {3} since asset ID {4} could not be found",
+                                           item.Name, item.ItemID, m_part.AbsolutePosition, 
+                                           m_part.ParentGroup.Scene.RegionInfo.RegionName, item.AssetID);
                                    }
                                    else
                                    {
@@ -317,9 +318,20 @@ namespace OpenSim.Region.Framework.Scenes
             m_items.LockItemsForRead(true);
             if (m_items.ContainsKey(itemId))
             {
-                TaskInventoryItem item = m_items[itemId];
-                m_items.LockItemsForRead(false);
-                CreateScriptInstance(item, startParam, postOnRez, engine, stateSource);
+                if (m_items.ContainsKey(itemId))
+                {
+                    m_items.LockItemsForRead(false);
+                    CreateScriptInstance(m_items[itemId], startParam, postOnRez, engine, stateSource);
+                }
+                else
+                {
+                    m_items.LockItemsForRead(false);
+                    m_log.ErrorFormat(
+                        "[PRIM INVENTORY]: " +
+                        "Couldn't start script with ID {0} since it couldn't be found for prim {1}, {2} at {3} in {4}",
+                        itemId, m_part.Name, m_part.UUID, 
+                        m_part.AbsolutePosition, m_part.ParentGroup.Scene.RegionInfo.RegionName);
+                }
             }
             else
             {
@@ -347,8 +359,9 @@ namespace OpenSim.Region.Framework.Scenes
             {
                 m_log.ErrorFormat(
                     "[PRIM INVENTORY]: " +
-                    "Couldn't stop script with ID {0} since it couldn't be found for prim {1}, {2}",
-                    itemId, m_part.Name, m_part.UUID);
+                    "Couldn't stop script with ID {0} since it couldn't be found for prim {1}, {2} at {3} in {4}",
+                    itemId, m_part.Name, m_part.UUID, 
+                    m_part.AbsolutePosition, m_part.ParentGroup.Scene.RegionInfo.RegionName);
             }
         }
 
@@ -542,8 +555,9 @@ namespace OpenSim.Region.Framework.Scenes
             {
                 m_log.ErrorFormat(
                     "[PRIM INVENTORY]: " +
-                    "Tried to retrieve item ID {0} from prim {1}, {2} but the item does not exist in this inventory",
-                    item.ItemID, m_part.Name, m_part.UUID);
+                    "Tried to retrieve item ID {0} from prim {1}, {2} at {3} in {4} but the item does not exist in this inventory",
+                    item.ItemID, m_part.Name, m_part.UUID, 
+                    m_part.AbsolutePosition, m_part.ParentGroup.Scene.RegionInfo.RegionName);
             }
             m_items.LockItemsForWrite(false);
 
diff --git a/OpenSim/Region/Framework/Scenes/ScenePresence.cs b/OpenSim/Region/Framework/Scenes/ScenePresence.cs
index 6812914..f6bcb59 100644
--- a/OpenSim/Region/Framework/Scenes/ScenePresence.cs
+++ b/OpenSim/Region/Framework/Scenes/ScenePresence.cs
@@ -790,37 +790,13 @@ namespace OpenSim.Region.Framework.Scenes
         /// </summary>
         public void SendPrimUpdates()
         {
-            m_perfMonMS = EnvironmentTickCount();
+            m_perfMonMS = Util.EnvironmentTickCount();
 
             m_sceneViewer.SendPrimUpdates();
 
-            m_scene.StatsReporter.AddAgentTime(EnvironmentTickCountSubtract(m_perfMonMS));
+            m_scene.StatsReporter.AddAgentTime(Util.EnvironmentTickCountSubtract(m_perfMonMS));
         }
 
-        /// <summary>
-        /// Environment.TickCount is an int but it counts all 32 bits so it goes positive
-        /// and negative every 24.9 days. This trims down TickCount so it doesn't wrap
-        /// for the callers. 
-        /// This trims it to a 12 day interval so don't let your frame time get too long.
-        /// </summary>
-        /// <returns></returns>
-        const Int32 EnvironmentTickCountMask = 0x3fffffff;
-        private static Int32 EnvironmentTickCount() {
-            return Environment.TickCount & EnvironmentTickCountMask;
-        }
-
-        /// <summary>
-        /// Environment.TickCount is an int but it counts all 32 bits so it goes positive
-        /// and negative every 24.9 days. Subtracts the passed value (previously fetched by
-        /// 'EnvironmentTickCount()') and accounts for any wrapping.
-        /// </summary>
-        /// <returns>subtraction of passed prevValue from current Environment.TickCount</returns>
-        private static Int32 EnvironmentTickCountSubtract(Int32 prevValue) {
-            Int32 diff = EnvironmentTickCount() - prevValue;
-            return (diff >= 0) ? diff : (diff + EnvironmentTickCountMask + 1);
-        }
-
-
         #region Status Methods
 
         /// <summary>
@@ -1166,7 +1142,7 @@ namespace OpenSim.Region.Framework.Scenes
         /// <param name="collisionPoint"></param>
         /// <param name="localid"></param>
         /// <param name="distance"></param>
-        public void RayCastCameraCallback(bool hitYN, Vector3 collisionPoint, uint localid, float distance)
+        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;
@@ -1209,7 +1185,7 @@ namespace OpenSim.Region.Framework.Scenes
             //    return;
             //}
 
-            m_perfMonMS = EnvironmentTickCount();
+            m_perfMonMS = Util.EnvironmentTickCount();
 
             ++m_movementUpdateCount;
             if (m_movementUpdateCount < 1)
@@ -1539,7 +1515,7 @@ namespace OpenSim.Region.Framework.Scenes
 
             m_scene.EventManager.TriggerOnClientMovement(this);
 
-            m_scene.StatsReporter.AddAgentTime(EnvironmentTickCountSubtract(m_perfMonMS));
+            m_scene.StatsReporter.AddAgentTime(Util.EnvironmentTickCountSubtract(m_perfMonMS));
         }
 
         public void DoAutoPilot(uint not_used, Vector3 Pos, IClientAPI remote_client)
@@ -1764,11 +1740,14 @@ namespace OpenSim.Region.Framework.Scenes
                 UUID avOnTargetAlready = part.GetAvatarOnSitTarget();
 
                 bool SitTargetUnOccupied = (!(avOnTargetAlready != UUID.Zero));
-//                bool SitTargetisSet =
-//                  (!(avSitOffSet.X == 0f && avSitOffSet.Y == 0f && avSitOffSet.Z == 0f && avSitOrientation.W == 0f &&
-//                   avSitOrientation.X == 0f && avSitOrientation.Y == 0f && avSitOrientation.Z == 1f));
-
-                bool SitTargetisSet = ((Vector3.Zero != avSitOffSet)  || (Quaternion.Identity != avSitOrientation));
+                bool SitTargetisSet =
+                    (!(avSitOffSet.X == 0f && avSitOffSet.Y == 0f && avSitOffSet.Z == 0f &&
+                       (
+                           avSitOrientation.X == 0f && avSitOrientation.Y == 0f && avSitOrientation.Z == 0f && avSitOrientation.W == 1f // Valid Zero Rotation quaternion
+                           || avSitOrientation.X == 0f && avSitOrientation.Y == 0f && avSitOrientation.Z == 1f && avSitOrientation.W == 0f // W-Z Mapping was invalid at one point
+                           || avSitOrientation.X == 0f && avSitOrientation.Y == 0f && avSitOrientation.Z == 0f && avSitOrientation.W == 0f // Invalid Quaternion
+                       )
+                       ));
                     
 //Console.WriteLine("SendSitResponse offset=" + offset + "  UnOccup=" + SitTargetUnOccupied +
 //                                      "    TargSet=" + SitTargetisSet);
@@ -1850,7 +1829,7 @@ namespace OpenSim.Region.Framework.Scenes
                 StandUp();
             }
             m_nextSitAnimation = "SIT";
-
+            
             //SceneObjectPart part = m_scene.GetSceneObjectPart(targetID);
             SceneObjectPart part = FindNextAvailableSitTarget(targetID);
 
@@ -1862,12 +1841,23 @@ namespace OpenSim.Region.Framework.Scenes
                 }
                 m_requestedSitTargetID = part.LocalId;
                 //m_requestedSitOffset = offset;
+                //offset.X += part.Scale.X;// *offset.X;
+                //offset.Y += part.Scale.Y;// * offset.Y;
+                //offset.Z += part.Scale.Z;// * offset.Z;
+                //m_requestedSitOffset = offset;
+                m_log.DebugFormat("[SIT]: Client requested Sit Position: {0}", offset);
             }
             else
             {
                 
                 m_log.Warn("Sit requested on unknown object: " + targetID.ToString());
             }
+
+            if (m_scene.PhysicsScene.SupportsRayCast())
+            {
+                //m_scene.PhysicsScene.RaycastWorld(Vector3.Zero,Vector3.Zero, 0.01f,new RaycastCallback());
+            }
+
             SendSitResponse(remoteClient, targetID, offset);
         }
         
@@ -1982,7 +1972,7 @@ namespace OpenSim.Region.Framework.Scenes
             SendFullUpdateToAllClients();
         }
         
-        public void SitAltitudeCallback(bool hitYN, Vector3 collisionPoint, uint localid, float distance)
+        public void SitAltitudeCallback(bool hitYN, Vector3 collisionPoint, uint localid, float distance, Vector3 normal)
         {
                         if(hitYN)
                         {
@@ -2057,7 +2047,7 @@ namespace OpenSim.Region.Framework.Scenes
                 return;
             }
 
-            m_perfMonMS = EnvironmentTickCount();
+            m_perfMonMS = Util.EnvironmentTickCount();
 
             Rotation = rotation;
             Vector3 direc = vec * rotation;
@@ -2099,7 +2089,7 @@ namespace OpenSim.Region.Framework.Scenes
             // TODO: Add the force instead of only setting it to support multiple forces per frame?
             m_forceToApply = direc;
             m_isNudging = Nudging;
-            m_scene.StatsReporter.AddAgentTime(EnvironmentTickCount() - m_perfMonMS);
+            m_scene.StatsReporter.AddAgentTime(Util.EnvironmentTickCountSubtract(m_perfMonMS));
         }
 
         #endregion
@@ -2168,7 +2158,7 @@ namespace OpenSim.Region.Framework.Scenes
             // server.
             if (remoteClient.IsActive)
             {
-                m_perfMonMS = EnvironmentTickCount();
+                m_perfMonMS = Util.EnvironmentTickCount();
 
                 PhysicsActor actor = m_physicsActor;
                 Vector3 velocity = (actor != null) ? actor.Velocity : Vector3.Zero;
@@ -2181,7 +2171,7 @@ namespace OpenSim.Region.Framework.Scenes
                 remoteClient.SendAvatarTerseUpdate(new SendAvatarTerseData(m_rootRegionHandle, (ushort)(m_scene.TimeDilation * ushort.MaxValue), LocalId,
                     pos, velocity, Vector3.Zero, m_bodyRot, CollisionPlane, m_uuid, null, GetUpdatePriority(remoteClient)));
 
-                m_scene.StatsReporter.AddAgentTime(EnvironmentTickCountSubtract(m_perfMonMS));
+                m_scene.StatsReporter.AddAgentTime(Util.EnvironmentTickCountSubtract(m_perfMonMS));
                 m_scene.StatsReporter.AddAgentUpdates(1);
             }
         }
@@ -2191,11 +2181,11 @@ namespace OpenSim.Region.Framework.Scenes
         /// </summary>
         public void SendTerseUpdateToAllClients()
         {
-            m_perfMonMS = EnvironmentTickCount();
+            m_perfMonMS = Util.EnvironmentTickCount();
             
             m_scene.ForEachClient(SendTerseUpdateToClient);
 
-            m_scene.StatsReporter.AddAgentTime(EnvironmentTickCountSubtract(m_perfMonMS));
+            m_scene.StatsReporter.AddAgentTime(Util.EnvironmentTickCountSubtract(m_perfMonMS));
         }
 
         public void SendCoarseLocations()
@@ -2215,7 +2205,7 @@ namespace OpenSim.Region.Framework.Scenes
 
         public void SendCoarseLocationsDefault(UUID sceneId, ScenePresence p)
         {
-            m_perfMonMS = EnvironmentTickCount();
+            m_perfMonMS = Util.EnvironmentTickCount();
 
             List<Vector3> CoarseLocations = new List<Vector3>();
             List<UUID> AvatarUUIDs = new List<UUID>();
@@ -2251,7 +2241,7 @@ namespace OpenSim.Region.Framework.Scenes
 
             m_controllingClient.SendCoarseLocationUpdate(AvatarUUIDs, CoarseLocations);
 
-            m_scene.StatsReporter.AddAgentTime(EnvironmentTickCountSubtract(m_perfMonMS));
+            m_scene.StatsReporter.AddAgentTime(Util.EnvironmentTickCountSubtract(m_perfMonMS));
         }
 
         public void CoarseLocationChange()
@@ -2288,7 +2278,7 @@ namespace OpenSim.Region.Framework.Scenes
         /// </summary>
         public void SendInitialFullUpdateToAllClients()
         {
-            m_perfMonMS = EnvironmentTickCount();
+            m_perfMonMS = Util.EnvironmentTickCount();
 
             ScenePresence[] avatars = m_scene.GetScenePresences();
 
@@ -2314,14 +2304,14 @@ namespace OpenSim.Region.Framework.Scenes
             }
 
             m_scene.StatsReporter.AddAgentUpdates(avatars.Length);
-            m_scene.StatsReporter.AddAgentTime(EnvironmentTickCountSubtract(m_perfMonMS));
+            m_scene.StatsReporter.AddAgentTime(Util.EnvironmentTickCountSubtract(m_perfMonMS));
 
             //Animator.SendAnimPack();
         }
 
         public void SendFullUpdateToAllClients()
         {
-            m_perfMonMS = EnvironmentTickCount();
+            m_perfMonMS = Util.EnvironmentTickCount();
 
             // only send update from root agents to other clients; children are only "listening posts"
             List<ScenePresence> avatars = m_scene.GetAvatars();
@@ -2331,7 +2321,7 @@ namespace OpenSim.Region.Framework.Scenes
 
             }
             m_scene.StatsReporter.AddAgentUpdates(avatars.Count);
-            m_scene.StatsReporter.AddAgentTime(EnvironmentTickCountSubtract(m_perfMonMS));
+            m_scene.StatsReporter.AddAgentTime(Util.EnvironmentTickCountSubtract(m_perfMonMS));
 
             Animator.SendAnimPack();
         }
@@ -2373,7 +2363,7 @@ namespace OpenSim.Region.Framework.Scenes
         /// </summary>
         public void SendAppearanceToAllOtherAgents()
         {
-            m_perfMonMS = EnvironmentTickCount();
+            m_perfMonMS = Util.EnvironmentTickCount();
 
             m_scene.ForEachScenePresence(delegate(ScenePresence scenePresence)
                                          {
@@ -2382,8 +2372,8 @@ namespace OpenSim.Region.Framework.Scenes
                                                  SendAppearanceToOtherAgent(scenePresence);
                                              }
                                          });
-            
-            m_scene.StatsReporter.AddAgentTime(EnvironmentTickCountSubtract(m_perfMonMS));
+
+            m_scene.StatsReporter.AddAgentTime(Util.EnvironmentTickCountSubtract(m_perfMonMS));
         }
 
         /// <summary>
@@ -3084,7 +3074,9 @@ namespace OpenSim.Region.Framework.Scenes
 
             // The Physics Scene will send updates every 500 ms grep: m_physicsActor.SubscribeEvents(
             // as of this comment the interval is set in AddToPhysicalScene
-            
+            if (Animator!=null)
+                Animator.UpdateMovementAnimations();
+
             CollisionEventUpdate collisionData = (CollisionEventUpdate)e;
             Dictionary<uint, ContactPoint> coldata = collisionData.m_objCollisionList;
 
@@ -3096,7 +3088,7 @@ namespace OpenSim.Region.Framework.Scenes
                                 m_lastColCount = coldata.Count;
                         }
                         
-            if (coldata.Count != 0)
+            if (coldata.Count != 0 && Animator != null)
             {
                 switch (Animator.CurrentMovementAnimation)
                 {
@@ -3200,11 +3192,13 @@ namespace OpenSim.Region.Framework.Scenes
             
             // I don't get it but mono crashes when you try to dispose of this timer,
             // unsetting the elapsed callback should be enough to allow for cleanup however.
-            //m_reprioritizationTimer.Dispose();
+            // m_reprioritizationTimer.Dispose(); 
 
             m_sceneViewer.Close();
 
             RemoveFromPhysicalScene();
+            m_animator.Close();
+            m_animator = null;
         }
 
         public ScenePresence()
diff --git a/OpenSim/Region/Framework/Scenes/SimStatsReporter.cs b/OpenSim/Region/Framework/Scenes/SimStatsReporter.cs
index f92f440..e368c2a 100644
--- a/OpenSim/Region/Framework/Scenes/SimStatsReporter.cs
+++ b/OpenSim/Region/Framework/Scenes/SimStatsReporter.cs
@@ -75,7 +75,7 @@ namespace OpenSim.Region.Framework.Scenes
             UnAckedBytes = 24,
         }
 
-        // Sending a stats update every 3 seconds
+        // Sending a stats update every 3 seconds-
         private int statsUpdatesEveryMS = 3000;
         private float statsUpdateFactor = 0;
         private float m_timeDilation = 0;
@@ -240,7 +240,7 @@ namespace OpenSim.Region.Framework.Scenes
                 sb[12].StatID = (uint)Stats.OtherMS;
                 sb[12].StatValue = m_otherMS / statsUpdateFactor;
 
-                sb[13].StatID = (uint)Stats.InPacketsPerSecond;

+                sb[13].StatID = (uint)Stats.InPacketsPerSecond;
                 sb[13].StatValue = (m_inPacketsPerSecond / statsUpdateFactor);
 
                 sb[14].StatID = (uint)Stats.OutPacketsPerSecond;
diff --git a/OpenSim/Region/Physics/Manager/PhysicsScene.cs b/OpenSim/Region/Physics/Manager/PhysicsScene.cs
index 6d515e9..217d307 100644
--- a/OpenSim/Region/Physics/Manager/PhysicsScene.cs
+++ b/OpenSim/Region/Physics/Manager/PhysicsScene.cs
@@ -36,7 +36,7 @@ namespace OpenSim.Region.Physics.Manager
 {
     public delegate void physicsCrash();
 
-    public delegate void RaycastCallback(bool hitYN, Vector3 collisionPoint, uint localid, float distance);
+    public delegate void RaycastCallback(bool hitYN, Vector3 collisionPoint, uint localid, float distance, Vector3 normal);
 
     public abstract class PhysicsScene
     {
@@ -204,7 +204,7 @@ namespace OpenSim.Region.Physics.Manager
         public virtual void RaycastWorld(Vector3 position, Vector3 direction, float length, RaycastCallback retMethod)
         {
             if (retMethod != null)
-                retMethod(false, Vector3.Zero, 0, 999999999999f);
+                retMethod(false, Vector3.Zero, 0, 999999999999f, Vector3.Zero);
         }
 
         private class NullPhysicsScene : PhysicsScene
diff --git a/OpenSim/Region/Physics/OdePlugin/ODECharacter.cs b/OpenSim/Region/Physics/OdePlugin/ODECharacter.cs
index 905d3ba..b99baa2 100644
--- a/OpenSim/Region/Physics/OdePlugin/ODECharacter.cs
+++ b/OpenSim/Region/Physics/OdePlugin/ODECharacter.cs
@@ -1243,7 +1243,10 @@ namespace OpenSim.Region.Physics.OdePlugin
         {
             if (m_eventsubscription > m_requestedUpdateFrequency)
             {
-                base.SendCollisionUpdate(CollisionEventsThisFrame);
+                if (CollisionEventsThisFrame != null)
+                {
+                    base.SendCollisionUpdate(CollisionEventsThisFrame);
+                }
                 CollisionEventsThisFrame = new CollisionEventUpdate();
                 m_eventsubscription = 0;
             }
diff --git a/OpenSim/Region/Physics/OdePlugin/ODEPrim.cs b/OpenSim/Region/Physics/OdePlugin/ODEPrim.cs
index 8459dab..c27c420 100644
--- a/OpenSim/Region/Physics/OdePlugin/ODEPrim.cs
+++ b/OpenSim/Region/Physics/OdePlugin/ODEPrim.cs
@@ -743,6 +743,8 @@ namespace OpenSim.Region.Physics.OdePlugin
                         break;
                 }
             }
+            if (returnMass > _parent_scene.maximumMassObject)
+                returnMass = _parent_scene.maximumMassObject;
             return returnMass;
         }// end CalculateMass
 
@@ -753,6 +755,7 @@ namespace OpenSim.Region.Physics.OdePlugin
             if (Body != (IntPtr) 0)
             {
                 float newmass = CalculateMass();
+
                 //m_log.Info("[PHYSICS]: New Mass: " + newmass.ToString());
 
                 d.MassSetBoxTotal(out pMass, newmass, _size.X, _size.Y, _size.Z);
diff --git a/OpenSim/Region/Physics/OdePlugin/ODERayCastRequestManager.cs b/OpenSim/Region/Physics/OdePlugin/ODERayCastRequestManager.cs
index c8ae229..732e835 100644
--- a/OpenSim/Region/Physics/OdePlugin/ODERayCastRequestManager.cs
+++ b/OpenSim/Region/Physics/OdePlugin/ODERayCastRequestManager.cs
@@ -145,6 +145,7 @@ namespace OpenSim.Region.Physics.OdePlugin
             uint hitConsumerID = 0;
             float distance = 999999999999f;
             Vector3 closestcontact = new Vector3(99999f, 99999f, 99999f);
+            Vector3 snormal = Vector3.Zero;
 
             // Find closest contact and object.
             lock (m_contactResults)
@@ -157,6 +158,7 @@ namespace OpenSim.Region.Physics.OdePlugin
                         hitConsumerID = cResult.ConsumerID;
                         distance = cResult.Depth;
                         hitYN = true;
+                        snormal = cResult.Normal;
                     }
                 }
 
@@ -165,7 +167,7 @@ namespace OpenSim.Region.Physics.OdePlugin
 
             // Return results
             if (req.callbackMethod != null)
-                req.callbackMethod(hitYN, closestcontact, hitConsumerID, distance);
+                req.callbackMethod(hitYN, closestcontact, hitConsumerID, distance, snormal);
         }
 
         // This is the standard Near.   Uses space AABBs to speed up detection.
@@ -310,7 +312,8 @@ namespace OpenSim.Region.Physics.OdePlugin
                         collisionresult.ConsumerID = ((OdePrim)p1).m_localID;
                         collisionresult.Pos = new Vector3(contacts[i].pos.X, contacts[i].pos.Y, contacts[i].pos.Z);
                         collisionresult.Depth = contacts[i].depth;
-                        
+                        collisionresult.Normal = new Vector3(contacts[i].normal.X, contacts[i].normal.Y,
+                                                             contacts[i].normal.Z);
                         lock (m_contactResults)
                             m_contactResults.Add(collisionresult);
                     }
@@ -325,6 +328,8 @@ namespace OpenSim.Region.Physics.OdePlugin
                         collisionresult.ConsumerID = ((OdePrim)p2).m_localID;
                         collisionresult.Pos = new Vector3(contacts[i].pos.X, contacts[i].pos.Y, contacts[i].pos.Z);
                         collisionresult.Depth = contacts[i].depth;
+                        collisionresult.Normal = new Vector3(contacts[i].normal.X, contacts[i].normal.Y,
+                                      contacts[i].normal.Z);
 
                         lock (m_contactResults)
                             m_contactResults.Add(collisionresult);
@@ -358,5 +363,6 @@ namespace OpenSim.Region.Physics.OdePlugin
         public Vector3 Pos;
         public float Depth;
         public uint ConsumerID;
+        public Vector3 Normal;
     }
 }
diff --git a/OpenSim/Region/Physics/OdePlugin/OdePlugin.cs b/OpenSim/Region/Physics/OdePlugin/OdePlugin.cs
index a0aba2a..0384d6e 100644
--- a/OpenSim/Region/Physics/OdePlugin/OdePlugin.cs
+++ b/OpenSim/Region/Physics/OdePlugin/OdePlugin.cs
@@ -207,6 +207,7 @@ namespace OpenSim.Region.Physics.OdePlugin
         private float avMovementDivisorWalk = 1.3f;
         private float avMovementDivisorRun = 0.8f;
         private float minimumGroundFlightOffset = 3f;
+        public float maximumMassObject = 10000.01f;
 
         public bool meshSculptedPrim = true;
         public bool forceSimplePrimMeshing = false;
@@ -480,6 +481,7 @@ namespace OpenSim.Region.Physics.OdePlugin
 
                     m_NINJA_physics_joints_enabled = physicsconfig.GetBoolean("use_NINJA_physics_joints", false);
                     minimumGroundFlightOffset = physicsconfig.GetFloat("minimum_ground_flight_offset", 3f);
+                    maximumMassObject = physicsconfig.GetFloat("maximum_mass_object", 10000.01f);
                 }
             }
 
diff --git a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
index 267928b..e694f15 100644
--- a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
+++ b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
@@ -3588,6 +3588,8 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
                 {
                     parentPrim.DelinkFromGroup(part.LocalId, true);
                 }
+                parentPrim.HasGroupChanged = true;
+                parentPrim.ScheduleGroupForFullUpdate();
                 parentPrim.TriggerScriptChangedEvent(Changed.LINK);
 
                 if (parts.Count > 0)
@@ -3599,6 +3601,8 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
                         part.UpdateFlag = 0;
                         newRoot.ParentGroup.LinkToGroup(part.ParentGroup);
                     }
+                    newRoot.ParentGroup.HasGroupChanged = true;
+                    newRoot.ParentGroup.ScheduleGroupForFullUpdate();
                 }
             }
             else
@@ -3607,6 +3611,8 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
                     return;
 
                 parentPrim.DelinkFromGroup(childPrim.LocalId, true);
+                parentPrim.HasGroupChanged = true;
+                parentPrim.ScheduleGroupForFullUpdate();
                 parentPrim.TriggerScriptChangedEvent(Changed.LINK);
             }
         }
@@ -3626,6 +3632,8 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
                 parentPrim.DelinkFromGroup(part.LocalId, true);
                 parentPrim.TriggerScriptChangedEvent(Changed.LINK);
             }
+            parentPrim.HasGroupChanged = true;
+            parentPrim.ScheduleGroupForFullUpdate();
         }
 
         public LSL_String llGetLinkKey(int linknum)
diff --git a/OpenSim/Region/ScriptEngine/XEngine/XEngine.cs b/OpenSim/Region/ScriptEngine/XEngine/XEngine.cs
index 49c69ab..184af19 100644
--- a/OpenSim/Region/ScriptEngine/XEngine/XEngine.cs
+++ b/OpenSim/Region/ScriptEngine/XEngine/XEngine.cs
@@ -150,7 +150,10 @@ namespace OpenSim.Region.ScriptEngine.XEngine
             }
             else
             {
-                m_scriptsLock.ExitReadLock();
+                if (m_scriptsLock.RecursiveReadCount > 0)
+                {
+                    m_scriptsLock.ExitReadLock();
+                }
             }
         }
         private void lockScriptsForWrite(bool locked)
@@ -179,7 +182,10 @@ namespace OpenSim.Region.ScriptEngine.XEngine
             }
             else
             {
-                m_scriptsLock.ExitWriteLock();
+                if (m_scriptsLock.RecursiveWriteCount > 0)
+                {
+                    m_scriptsLock.ExitWriteLock();
+                }
             }
         }