12 files changed, 145 insertions, 116 deletions

diff --git a/OpenSim/Region/ClientStack/LindenUDP/LLClientView.cs b/OpenSim/Region/ClientStack/LindenUDP/LLClientView.cs
index 320a2fa..677bd14 100644
--- a/OpenSim/Region/ClientStack/LindenUDP/LLClientView.cs
+++ b/OpenSim/Region/ClientStack/LindenUDP/LLClientView.cs
@@ -327,7 +327,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
         /// thread servicing the m_primFullUpdates queue after a kill.  If this happens the object persists as an
         /// ownerless phantom.
         ///
-        /// All manipulation of this set has to occur under a m_primFullUpdate.SyncRoot lock
+        /// All manipulation of this set has to occur under an m_entityUpdates.SyncRoot lock
         ///       
         /// </value>
         protected HashSet<uint> m_killRecord;
@@ -382,18 +382,22 @@ namespace OpenSim.Region.ClientStack.LindenUDP
         public string ActiveGroupName { get { return m_activeGroupName; } }
         public ulong ActiveGroupPowers { get { return m_activeGroupPowers; } }
         public bool IsGroupMember(UUID groupID) { return m_groupPowers.ContainsKey(groupID); }
+        
         /// <summary>
         /// First name of the agent/avatar represented by the client
         /// </summary>
         public string FirstName { get { return m_firstName; } }
+        
         /// <summary>
         /// Last name of the agent/avatar represented by the client
         /// </summary>
         public string LastName { get { return m_lastName; } }
+        
         /// <summary>
         /// Full name of the client (first name and last name)
         /// </summary>
         public string Name { get { return FirstName + " " + LastName; } }
+        
         public uint CircuitCode { get { return m_circuitCode; } }
         public int MoneyBalance { get { return m_moneyBalance; } }
         public int NextAnimationSequenceNumber { get { return m_animationSequenceNumber++; } }
@@ -3528,6 +3532,20 @@ namespace OpenSim.Region.ClientStack.LindenUDP
                 EntityUpdate update;
                 while (updatesThisCall < maxUpdates && m_entityUpdates.TryDequeue(out update))
                 {
+                    // Please do not remove this unless you can demonstrate on the OpenSim mailing list that a client 
+                    // will never receive an update after a prim kill.  Even then, keeping the kill record may be a good
+                    // safety measure.
+                    //
+                    // Receiving updates after kills results in undeleteable prims that persist until relog and 
+                    // currently occurs because prims can be deleted before all queued updates are sent.
+                    if (m_killRecord.Contains(update.Entity.LocalId))
+                    {
+//                        m_log.WarnFormat(
+//                            "[CLIENT]: Preventing full update for prim with local id {0} after client for user {1} told it was deleted", 
+//                            update.Entity.LocalId, Name);                        
+                        continue;
+                    }
+                    
                     if (update.Entity is SceneObjectPart)
                     {
                         SceneObjectPart part = (SceneObjectPart)update.Entity;
diff --git a/OpenSim/Region/CoreModules/Avatar/Attachments/AttachmentsModule.cs b/OpenSim/Region/CoreModules/Avatar/Attachments/AttachmentsModule.cs
index 847a999..d56145a 100644
--- a/OpenSim/Region/CoreModules/Avatar/Attachments/AttachmentsModule.cs
+++ b/OpenSim/Region/CoreModules/Avatar/Attachments/AttachmentsModule.cs
@@ -37,6 +37,7 @@ using OpenSim.Framework;
 using OpenSim.Region.Framework;
 using OpenSim.Region.Framework.Interfaces;
 using OpenSim.Region.Framework.Scenes;
+using OpenSim.Region.Framework.Scenes.Serialization;
 
 namespace OpenSim.Region.CoreModules.Avatar.Attachments
 {
@@ -448,12 +449,86 @@ namespace OpenSim.Region.CoreModules.Avatar.Attachments
                         m_scene.EventManager.TriggerOnAttach(group.LocalId, itemID, UUID.Zero);
                         group.DetachToInventoryPrep();
                         m_log.Debug("[ATTACHMENTS MODULE]: Saving attachpoint: " + ((uint)group.GetAttachmentPoint()).ToString());
-                        m_scene.UpdateKnownItem(remoteClient, group,group.GetFromItemID(), group.OwnerID);
+                        UpdateKnownItem(remoteClient, group, group.GetFromItemID(), group.OwnerID);
                         m_scene.DeleteSceneObject(group, false);
                         return;
                     }
                 }
             }
         }
+        
+        public void UpdateAttachmentPosition(IClientAPI client, SceneObjectGroup sog, Vector3 pos)
+        {
+            // If this is an attachment, then we need to save the modified
+            // object back into the avatar's inventory. First we save the
+            // attachment point information, then we update the relative 
+            // positioning (which caused this method to get driven in the
+            // first place. Then we have to mark the object as NOT an
+            // attachment. This is necessary in order to correctly save
+            // and retrieve GroupPosition information for the attachment.
+            // Then we save the asset back into the appropriate inventory
+            // entry. Finally, we restore the object's attachment status.
+            byte attachmentPoint = sog.GetAttachmentPoint();
+            sog.UpdateGroupPosition(pos);
+            sog.RootPart.IsAttachment = false;
+            sog.AbsolutePosition = sog.RootPart.AttachedPos;
+            UpdateKnownItem(client, sog, sog.GetFromItemID(), sog.OwnerID);
+            sog.SetAttachmentPoint(attachmentPoint);            
+        }
+        
+        /// <summary>
+        /// Update the attachment asset for the new sog details if they have changed.
+        /// </summary>
+        /// 
+        /// This is essential for preserving attachment attributes such as permission.  Unlike normal scene objects,
+        /// these details are not stored on the region.
+        /// 
+        /// <param name="remoteClient"></param>
+        /// <param name="grp"></param>
+        /// <param name="itemID"></param>
+        /// <param name="agentID"></param>
+        protected void UpdateKnownItem(IClientAPI remoteClient, SceneObjectGroup grp, UUID itemID, UUID agentID)
+        {
+            if (grp != null)
+            {
+                if (!grp.HasGroupChanged)
+                {
+                    m_log.WarnFormat("[ATTACHMENTS MODULE]: Save request for {0} which is unchanged", grp.UUID);
+                    return;
+                }
+
+                m_log.DebugFormat(
+                    "[ATTACHMENTS MODULE]: Updating asset for attachment {0}, attachpoint {1}",
+                    grp.UUID, grp.GetAttachmentPoint());
+
+                string sceneObjectXml = SceneObjectSerializer.ToOriginalXmlFormat(grp);
+
+                InventoryItemBase item = new InventoryItemBase(itemID, remoteClient.AgentId);
+                item = m_scene.InventoryService.GetItem(item);
+
+                if (item != null)
+                {
+                    AssetBase asset = m_scene.CreateAsset(
+                        grp.GetPartName(grp.LocalId),
+                        grp.GetPartDescription(grp.LocalId),
+                        (sbyte)AssetType.Object,
+                        Utils.StringToBytes(sceneObjectXml),
+                        remoteClient.AgentId);
+                    m_scene.AssetService.Store(asset);
+
+                    item.AssetID = asset.FullID;
+                    item.Description = asset.Description;
+                    item.Name = asset.Name;
+                    item.AssetType = asset.Type;
+                    item.InvType = (int)InventoryType.Object;
+
+                    m_scene.InventoryService.UpdateItem(item);
+
+                    // this gets called when the agent logs off!
+                    if (remoteClient != null)
+                        remoteClient.SendInventoryItemCreateUpdate(item, 0);
+                }
+            }
+        }        
     }
-}
+}
\ No newline at end of file
diff --git a/OpenSim/Region/CoreModules/Avatar/Inventory/Transfer/InventoryTransferModule.cs b/OpenSim/Region/CoreModules/Avatar/Inventory/Transfer/InventoryTransferModule.cs
index 4117e86..d1274e9 100644
--- a/OpenSim/Region/CoreModules/Avatar/Inventory/Transfer/InventoryTransferModule.cs
+++ b/OpenSim/Region/CoreModules/Avatar/Inventory/Transfer/InventoryTransferModule.cs
@@ -159,7 +159,7 @@ namespace OpenSim.Region.CoreModules.Avatar.Inventory.Transfer
 
         private void OnInstantMessage(IClientAPI client, GridInstantMessage im)
         {
-            m_log.InfoFormat(
+            m_log.DebugFormat(
                 "[INVENTORY TRANSFER]: {0} IM type received from {1}", 
                 (InstantMessageDialog)im.dialog, client.Name);
           
diff --git a/OpenSim/Region/Framework/Interfaces/IAttachmentsModule.cs b/OpenSim/Region/Framework/Interfaces/IAttachmentsModule.cs
index 2af2548..05c1e00 100644
--- a/OpenSim/Region/Framework/Interfaces/IAttachmentsModule.cs
+++ b/OpenSim/Region/Framework/Interfaces/IAttachmentsModule.cs
@@ -131,5 +131,13 @@ namespace OpenSim.Region.Framework.Interfaces
         /// A <see cref="IClientAPI"/>
         /// </param>
         void ShowDetachInUserInventory(UUID itemID, IClientAPI remoteClient);
+        
+        /// <summary>
+        /// Update the position of an attachment
+        /// </summary>
+        /// <param name="client"></param>
+        /// <param name="sog"></param>
+        /// <param name="pos"></param>
+        void UpdateAttachmentPosition(IClientAPI client, SceneObjectGroup sog, Vector3 pos);
     }
 }
\ No newline at end of file
diff --git a/OpenSim/Region/Framework/Scenes/Prioritizer.cs b/OpenSim/Region/Framework/Scenes/Prioritizer.cs
index de3c360..272f718 100644
--- a/OpenSim/Region/Framework/Scenes/Prioritizer.cs
+++ b/OpenSim/Region/Framework/Scenes/Prioritizer.cs
@@ -31,7 +31,7 @@ namespace OpenSim.Region.Framework.Scenes
 
     public class Prioritizer
     {
-        private static readonly ILog m_log = LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType);
+//        private static readonly ILog m_log = LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType);
         
         /// <summary>
         /// This is added to the priority of all child prims, to make sure that the root prim update is sent to the
@@ -75,7 +75,6 @@ namespace OpenSim.Region.Framework.Scenes
                     break;
                 default:
                     throw new InvalidOperationException("UpdatePrioritizationScheme not defined.");
-                    break;
             }
             
             // Adjust priority so that root prims are sent to the viewer first.  This is especially important for 
@@ -122,9 +121,16 @@ namespace OpenSim.Region.Framework.Scenes
                 // Use group position for child prims
                 Vector3 entityPos;
                 if (entity is SceneObjectPart)
-                    entityPos = m_scene.GetGroupByPrim(entity.LocalId).AbsolutePosition;
+                {
+                    // Can't use Scene.GetGroupByPrim() here, since the entity may have been delete from the scene
+                    // before its scheduled update was triggered                    
+                    //entityPos = m_scene.GetGroupByPrim(entity.LocalId).AbsolutePosition;
+                    entityPos = ((SceneObjectPart)entity).ParentGroup.AbsolutePosition;                    
+                }
                 else
+                {
                     entityPos = entity.AbsolutePosition;
+                }
 
                 return Vector3.DistanceSquared(presencePos, entityPos);
             }
@@ -144,9 +150,16 @@ namespace OpenSim.Region.Framework.Scenes
                 // Use group position for child prims
                 Vector3 entityPos = entity.AbsolutePosition;
                 if (entity is SceneObjectPart)
-                    entityPos = m_scene.GetGroupByPrim(entity.LocalId).AbsolutePosition;
+                {                                                           
+                    // Can't use Scene.GetGroupByPrim() here, since the entity may have been delete from the scene
+                    // before its scheduled update was triggered
+                    //entityPos = m_scene.GetGroupByPrim(entity.LocalId).AbsolutePosition;
+                    entityPos = ((SceneObjectPart)entity).ParentGroup.AbsolutePosition;                    
+                }
                 else
+                {
                     entityPos = entity.AbsolutePosition;
+                }
 
                 if (!presence.IsChildAgent)
                 {
diff --git a/OpenSim/Region/Framework/Scenes/Scene.Inventory.cs b/OpenSim/Region/Framework/Scenes/Scene.Inventory.cs
index 379128a..8ed8b96 100644
--- a/OpenSim/Region/Framework/Scenes/Scene.Inventory.cs
+++ b/OpenSim/Region/Framework/Scenes/Scene.Inventory.cs
@@ -1799,53 +1799,6 @@ namespace OpenSim.Region.Framework.Scenes
             }
         }
 
-        public void UpdateKnownItem(IClientAPI remoteClient, SceneObjectGroup grp, UUID itemID, UUID agentID)
-        {
-            SceneObjectGroup objectGroup = grp;
-            if (objectGroup != null)
-            {
-                if (!grp.HasGroupChanged)
-                {
-                    m_log.InfoFormat("[ATTACHMENT]: Save request for {0} which is unchanged", grp.UUID);
-                    return;
-                }
-
-                m_log.InfoFormat(
-                    "[ATTACHMENT]: Updating asset for attachment {0}, attachpoint {1}",
-                    grp.UUID, grp.GetAttachmentPoint());
-
-                string sceneObjectXml = SceneObjectSerializer.ToOriginalXmlFormat(objectGroup);
-
-                InventoryItemBase item = new InventoryItemBase(itemID, remoteClient.AgentId);
-                item = InventoryService.GetItem(item);
-
-                if (item != null)
-                {
-                    AssetBase asset = CreateAsset(
-                        objectGroup.GetPartName(objectGroup.LocalId),
-                        objectGroup.GetPartDescription(objectGroup.LocalId),
-                        (sbyte)AssetType.Object,
-                        Utils.StringToBytes(sceneObjectXml),
-                        remoteClient.AgentId);
-                    AssetService.Store(asset);
-
-                    item.AssetID = asset.FullID;
-                    item.Description = asset.Description;
-                    item.Name = asset.Name;
-                    item.AssetType = asset.Type;
-                    item.InvType = (int)InventoryType.Object;
-
-                    InventoryService.UpdateItem(item);
-
-                    // this gets called when the agent loggs off!
-                    if (remoteClient != null)
-                    {
-                        remoteClient.SendInventoryItemCreateUpdate(item, 0);
-                    }
-                }
-            }
-        }
-
         public UUID attachObjectAssetStore(IClientAPI remoteClient, SceneObjectGroup grp, UUID AgentId, out UUID itemID)
         {
             itemID = UUID.Zero;
diff --git a/OpenSim/Region/Framework/Scenes/Scene.cs b/OpenSim/Region/Framework/Scenes/Scene.cs
index 1f4d022..5fe944d 100644
--- a/OpenSim/Region/Framework/Scenes/Scene.cs
+++ b/OpenSim/Region/Framework/Scenes/Scene.cs
@@ -3608,18 +3608,6 @@ namespace OpenSim.Region.Framework.Scenes
             return true;
         }
 
-        private ILandObject GetParcelAtPoint(float x, float y)
-        {
-            foreach (var parcel in AllParcels())
-            {
-                if (parcel.ContainsPoint((int)x,(int)y))
-                {
-                    return parcel;
-                }
-            }
-            return null;
-        }
-
         /// <summary>
         /// Update an AgentCircuitData object with new information
         /// </summary>
diff --git a/OpenSim/Region/Framework/Scenes/SceneCommunicationService.cs b/OpenSim/Region/Framework/Scenes/SceneCommunicationService.cs
index c675322..88e084e 100644
--- a/OpenSim/Region/Framework/Scenes/SceneCommunicationService.cs
+++ b/OpenSim/Region/Framework/Scenes/SceneCommunicationService.cs
@@ -70,7 +70,7 @@ namespace OpenSim.Region.Framework.Scenes
         /// <summary>
         /// A user will arrive shortly, set up appropriate credentials so it can connect
         /// </summary>
-        public event ExpectUserDelegate OnExpectUser;
+//        public event ExpectUserDelegate OnExpectUser;
 
         /// <summary>
         /// A Prim will arrive shortly
@@ -80,7 +80,7 @@ namespace OpenSim.Region.Framework.Scenes
         /// <summary>
         /// A new prim has arrived
         /// </summary>
-        public event PrimCrossing OnPrimCrossingIntoRegion;
+//        public event PrimCrossing OnPrimCrossingIntoRegion;
 
         ///// <summary>
         ///// A New Region is up and available
@@ -90,7 +90,7 @@ namespace OpenSim.Region.Framework.Scenes
         /// <summary>
         /// We have a child agent for this avatar and we're getting a status update about it
         /// </summary>
-        public event ChildAgentUpdate OnChildAgentUpdate;
+//        public event ChildAgentUpdate OnChildAgentUpdate;
         //public event RemoveKnownRegionsFromAvatarList OnRemoveKnownRegionFromAvatar;
 
         /// <summary>
diff --git a/OpenSim/Region/Framework/Scenes/SceneGraph.cs b/OpenSim/Region/Framework/Scenes/SceneGraph.cs
index 1da4287..9db2691 100644
--- a/OpenSim/Region/Framework/Scenes/SceneGraph.cs
+++ b/OpenSim/Region/Framework/Scenes/SceneGraph.cs
@@ -1289,37 +1289,21 @@ namespace OpenSim.Region.Framework.Scenes
         /// <param name="localID"></param>
         /// <param name="pos"></param>
         /// <param name="remoteClient"></param>
-        protected internal void UpdatePrimPosition(uint localID, Vector3 pos, IClientAPI remoteClient)
+        public void UpdatePrimPosition(uint localID, Vector3 pos, IClientAPI remoteClient)
         {
             SceneObjectGroup group = GetGroupByPrim(localID);
+            
             if (group != null)
-            {
-
-                // Vector3 oldPos = group.AbsolutePosition;
+            {                
                 if (group.IsAttachment || (group.RootPart.Shape.PCode == 9 && group.RootPart.Shape.State != 0))
                 {
- 
-                    // If this is an attachment, then we need to save the modified
-                    // object back into the avatar's inventory. First we save the
-                    // attachment point information, then we update the relative 
-                    // positioning (which caused this method to get driven in the
-                    // first place. Then we have to mark the object as NOT an
-                    // attachment. This is necessary in order to correctly save
-                    // and retrieve GroupPosition information for the attachment.
-                    // Then we save the asset back into the appropriate inventory
-                    // entry. Finally, we restore the object's attachment status.
-
-                    byte attachmentPoint = group.GetAttachmentPoint();
-                    group.UpdateGroupPosition(pos);
-                    group.RootPart.IsAttachment = false;
-                    group.AbsolutePosition = group.RootPart.AttachedPos;
-                    m_parentScene.UpdateKnownItem(remoteClient, group, group.GetFromItemID(), group.OwnerID);
-                    group.SetAttachmentPoint(attachmentPoint);
-
+                    if (m_parentScene.AttachmentsModule != null)
+                        m_parentScene.AttachmentsModule.UpdateAttachmentPosition(remoteClient, group, pos);
                 }
                 else
                 {
-                    if (m_parentScene.Permissions.CanMoveObject(group.UUID, remoteClient.AgentId) && m_parentScene.Permissions.CanObjectEntry(group.UUID, false, pos))
+                    if (m_parentScene.Permissions.CanMoveObject(group.UUID, remoteClient.AgentId) 
+                        && m_parentScene.Permissions.CanObjectEntry(group.UUID, false, pos))
                     {
                         group.UpdateGroupPosition(pos);
                     }
@@ -1328,14 +1312,19 @@ namespace OpenSim.Region.Framework.Scenes
         }
 
         /// <summary>
-        ///
+        /// Update the texture entry of the given prim.
         /// </summary>
+        /// 
+        /// A texture entry is an object that contains details of all the textures of the prim's face.  In this case,
+        /// the texture is given in its byte serialized form.
+        /// 
         /// <param name="localID"></param>
         /// <param name="texture"></param>
         /// <param name="remoteClient"></param>
         protected internal void UpdatePrimTexture(uint localID, byte[] texture, IClientAPI remoteClient)
         {
             SceneObjectGroup group = GetGroupByPrim(localID);
+            
             if (group != null)
             {
                 if (m_parentScene.Permissions.CanEditObject(group.UUID,remoteClient.AgentId))
@@ -1700,8 +1689,6 @@ namespace OpenSim.Region.Framework.Scenes
                             SceneObjectPart newRoot = newSet[0];
                             newSet.RemoveAt(0);
 
-                            List<uint> linkIDs = new List<uint>();
-
                             foreach (SceneObjectPart newChild in newSet)
                                 newChild.UpdateFlag = 0;
 
diff --git a/OpenSim/Region/Framework/Scenes/SceneObjectPart.cs b/OpenSim/Region/Framework/Scenes/SceneObjectPart.cs
index 2ad4223..3ed74e1 100644
--- a/OpenSim/Region/Framework/Scenes/SceneObjectPart.cs
+++ b/OpenSim/Region/Framework/Scenes/SceneObjectPart.cs
@@ -4727,20 +4727,8 @@ namespace OpenSim.Region.Framework.Scenes
             if (ParentGroup == null || ParentGroup.IsDeleted)
                 return;
 
-            Vector3 lPos = OffsetPosition;
-
-            if (IsAttachment)
-            {
-                if (ParentGroup.RootPart != this)
-                    return;
-
-                lPos = ParentGroup.RootPart.AttachedPos;
-            }
-            else
-            {
-                if (ParentGroup.RootPart == this)
-                    lPos = AbsolutePosition;
-            }
+            if (IsAttachment && ParentGroup.RootPart != this)                                    
+                return;
             
             // Causes this thread to dig into the Client Thread Data.
             // Remember your locking here!
diff --git a/OpenSim/Region/Framework/Scenes/SceneObjectPartInventory.cs b/OpenSim/Region/Framework/Scenes/SceneObjectPartInventory.cs
index e08fa77..d7767bd 100644
--- a/OpenSim/Region/Framework/Scenes/SceneObjectPartInventory.cs
+++ b/OpenSim/Region/Framework/Scenes/SceneObjectPartInventory.cs
@@ -576,8 +576,7 @@ namespace OpenSim.Region.Framework.Scenes
         }
         
         public SceneObjectGroup GetRezReadySceneObject(TaskInventoryItem item)
-        {            
-            UUID ownerID = item.OwnerID;
+        {
             AssetBase rezAsset = m_part.ParentGroup.Scene.AssetService.Get(item.AssetID.ToString());
 
             if (null == rezAsset)
diff --git a/OpenSim/Region/Framework/Scenes/ScenePresence.cs b/OpenSim/Region/Framework/Scenes/ScenePresence.cs
index 08c6e27..fbb3177 100644
--- a/OpenSim/Region/Framework/Scenes/ScenePresence.cs
+++ b/OpenSim/Region/Framework/Scenes/ScenePresence.cs
@@ -2326,15 +2326,15 @@ namespace OpenSim.Region.Framework.Scenes
             {
                 m_perfMonMS = Util.EnvironmentTickCount();
 
-                PhysicsActor actor = m_physicsActor;
-                Vector3 velocity = (actor != null) ? actor.Velocity : Vector3.Zero;
-
                 Vector3 pos = m_pos;
                 pos.Z += m_appearance.HipOffset;
 
                 //m_log.DebugFormat("[SCENEPRESENCE]: TerseUpdate: Pos={0} Rot={1} Vel={2}", m_pos, m_bodyRot, m_velocity);
 
-                remoteClient.SendPrimUpdate(this, PrimUpdateFlags.Position | PrimUpdateFlags.Rotation | PrimUpdateFlags.Velocity | PrimUpdateFlags.Acceleration | PrimUpdateFlags.AngularVelocity);
+                remoteClient.SendPrimUpdate(
+                    this, 
+                    PrimUpdateFlags.Position | PrimUpdateFlags.Rotation | PrimUpdateFlags.Velocity 
+                    | PrimUpdateFlags.Acceleration | PrimUpdateFlags.AngularVelocity);
 
                 m_scene.StatsReporter.AddAgentTime(Util.EnvironmentTickCountSubtract(m_perfMonMS));
                 m_scene.StatsReporter.AddAgentUpdates(1);