7 files changed, 154 insertions, 234 deletions

diff --git a/OpenSim/Region/Framework/Scenes/EventManager.cs b/OpenSim/Region/Framework/Scenes/EventManager.cs
index 547e693..209a0a6 100644
--- a/OpenSim/Region/Framework/Scenes/EventManager.cs
+++ b/OpenSim/Region/Framework/Scenes/EventManager.cs
@@ -1588,6 +1588,12 @@ namespace OpenSim.Region.Framework.Scenes
 
         public void TriggerRequestChangeWaterHeight(float height)
         {
+            if (height < 0)
+            {
+                // ignore negative water height
+                return;
+            }
+
             RequestChangeWaterHeight handlerRequestChangeWaterHeight = OnRequestChangeWaterHeight;
             if (handlerRequestChangeWaterHeight != null)
             {
diff --git a/OpenSim/Region/Framework/Scenes/Scene.PacketHandlers.cs b/OpenSim/Region/Framework/Scenes/Scene.PacketHandlers.cs
index 59170df..fd179ba 100644
--- a/OpenSim/Region/Framework/Scenes/Scene.PacketHandlers.cs
+++ b/OpenSim/Region/Framework/Scenes/Scene.PacketHandlers.cs
@@ -116,18 +116,10 @@ namespace OpenSim.Region.Framework.Scenes
         /// <param name="remoteClient"></param>
         public void RequestPrim(uint primLocalID, IClientAPI remoteClient)
         {
-            EntityBase[] entityList = GetEntities();
-            foreach (EntityBase ent in entityList)
-            {
-                if (ent is SceneObjectGroup)
-                {
-                    if (((SceneObjectGroup)ent).LocalId == primLocalID)
-                    {
-                        ((SceneObjectGroup)ent).SendFullUpdateToClient(remoteClient);
-                        return;
-                    }
-                }
-            }
+            SceneObjectGroup sog = GetGroupByPrim(primLocalID);
+
+            if (sog != null)
+                sog.SendFullUpdateToClient(remoteClient);
         }
 
         /// <summary>
@@ -137,47 +129,28 @@ namespace OpenSim.Region.Framework.Scenes
         /// <param name="remoteClient"></param>
         public void SelectPrim(uint primLocalID, IClientAPI remoteClient)
         {
-            EntityBase[] entityList = GetEntities();
-            foreach (EntityBase ent in entityList)
+            SceneObjectPart part = GetSceneObjectPart(primLocalID);
+
+            if (null == part)
+                return;
+
+            if (part.IsRoot)
             {
-                if (ent is SceneObjectGroup)
+                SceneObjectGroup sog = part.ParentGroup;
+                sog.SendPropertiesToClient(remoteClient);
+                sog.IsSelected = true;
+
+                // A prim is only tainted if it's allowed to be edited by the person clicking it.
+                if (Permissions.CanEditObject(sog.UUID, remoteClient.AgentId)
+                    || Permissions.CanMoveObject(sog.UUID, remoteClient.AgentId))
                 {
-                    if (((SceneObjectGroup) ent).LocalId == primLocalID)
-                    {
-                        ((SceneObjectGroup) ent).SendPropertiesToClient(remoteClient);
-                        ((SceneObjectGroup) ent).IsSelected = true;
-                        // A prim is only tainted if it's allowed to be edited by the person clicking it.
-                        if (Permissions.CanEditObject(((SceneObjectGroup)ent).UUID, remoteClient.AgentId) 
-                            || Permissions.CanMoveObject(((SceneObjectGroup)ent).UUID, remoteClient.AgentId))
-                        {
-                            EventManager.TriggerParcelPrimCountTainted();
-                        }
-                        break;
-                    }
-                    else 
-                    {
-                        // We also need to check the children of this prim as they
-                        // can be selected as well and send property information
-                        bool foundPrim = false;
-                        
-                        SceneObjectGroup sog = ent as SceneObjectGroup;
-
-                        SceneObjectPart[] partList = sog.Parts;
-                        foreach (SceneObjectPart part in partList)
-                        {
-                            if (part.LocalId == primLocalID) 
-                            {
-                                part.SendPropertiesToClient(remoteClient);
-                                foundPrim = true;
-                                break;
-                            }
-                        }
-                            
-                        if (foundPrim) 
-                            break;
-                   }
+                    EventManager.TriggerParcelPrimCountTainted();
                 }
             }
+            else
+            {
+                 part.SendPropertiesToClient(remoteClient);
+            }
         }
 
         /// <summary>
@@ -250,121 +223,81 @@ namespace OpenSim.Region.Framework.Scenes
 
         public virtual void ProcessObjectGrab(uint localID, Vector3 offsetPos, IClientAPI remoteClient, List<SurfaceTouchEventArgs> surfaceArgs)
         {
-            EntityBase[] EntityList = GetEntities();
+            SceneObjectPart part = GetSceneObjectPart(localID);
+            
+            if (part == null)
+                return;
+
+            SceneObjectGroup obj = part.ParentGroup;
 
             SurfaceTouchEventArgs surfaceArg = null;
             if (surfaceArgs != null && surfaceArgs.Count > 0)
                 surfaceArg = surfaceArgs[0];
 
-            foreach (EntityBase ent in EntityList)
+            // Currently only grab/touch for the single prim
+            // the client handles rez correctly
+            obj.ObjectGrabHandler(localID, offsetPos, remoteClient);
+    
+            // If the touched prim handles touches, deliver it
+            // If not, deliver to root prim
+            if ((part.ScriptEvents & scriptEvents.touch_start) != 0)
+                EventManager.TriggerObjectGrab(part.LocalId, 0, part.OffsetPosition, remoteClient, surfaceArg);
+
+            // Deliver to the root prim if the touched prim doesn't handle touches
+            // or if we're meant to pass on touches anyway. Don't send to root prim
+            // if prim touched is the root prim as we just did it
+            if (((part.ScriptEvents & scriptEvents.touch_start) == 0) ||
+                (part.PassTouches && (part.LocalId != obj.RootPart.LocalId))) 
             {
-                if (ent is SceneObjectGroup)
-                {
-                    SceneObjectGroup obj = ent as SceneObjectGroup;
-                    if (obj != null)
-                    {
-                        // Is this prim part of the group
-                        if (obj.HasChildPrim(localID))
-                        {
-                            // Currently only grab/touch for the single prim
-                            // the client handles rez correctly
-                            obj.ObjectGrabHandler(localID, offsetPos, remoteClient);
-
-                            SceneObjectPart part = obj.GetChildPart(localID);
-
-                            // If the touched prim handles touches, deliver it
-                            // If not, deliver to root prim
-                            if ((part.ScriptEvents & scriptEvents.touch_start) != 0) 
-                                EventManager.TriggerObjectGrab(part.LocalId, 0, part.OffsetPosition, remoteClient, surfaceArg);
-                            // Deliver to the root prim if the touched prim doesn't handle touches
-                            // or if we're meant to pass on touches anyway. Don't send to root prim
-                            // if prim touched is the root prim as we just did it
-                            if (((part.ScriptEvents & scriptEvents.touch_start) == 0) ||
-                                (part.PassTouches && (part.LocalId != obj.RootPart.LocalId))) 
-                            {
-                                EventManager.TriggerObjectGrab(obj.RootPart.LocalId, part.LocalId, part.OffsetPosition, remoteClient, surfaceArg);
-                            }
-
-                            return;
-                        }
-                    }
-                }
+                EventManager.TriggerObjectGrab(obj.RootPart.LocalId, part.LocalId, part.OffsetPosition, remoteClient, surfaceArg);
             }
         }
 
-        public virtual void ProcessObjectGrabUpdate(UUID objectID, Vector3 offset, Vector3 pos, IClientAPI remoteClient, List<SurfaceTouchEventArgs> surfaceArgs)
+        public virtual void ProcessObjectGrabUpdate(
+            UUID objectID, Vector3 offset, Vector3 pos, IClientAPI remoteClient, List<SurfaceTouchEventArgs> surfaceArgs)
         {
-            EntityBase[] EntityList = GetEntities();
+            SceneObjectPart part = GetSceneObjectPart(objectID);
+            if (part == null)
+                return;
+
+            SceneObjectGroup obj = part.ParentGroup;
 
             SurfaceTouchEventArgs surfaceArg = null;
             if (surfaceArgs != null && surfaceArgs.Count > 0)
                 surfaceArg = surfaceArgs[0];
 
-            foreach (EntityBase ent in EntityList)
+            // If the touched prim handles touches, deliver it
+            // If not, deliver to root prim
+            if ((part.ScriptEvents & scriptEvents.touch) != 0)
+                EventManager.TriggerObjectGrabbing(part.LocalId, 0, part.OffsetPosition, remoteClient, surfaceArg);
+            // Deliver to the root prim if the touched prim doesn't handle touches
+            // or if we're meant to pass on touches anyway. Don't send to root prim
+            // if prim touched is the root prim as we just did it
+            if (((part.ScriptEvents & scriptEvents.touch) == 0) ||
+                (part.PassTouches && (part.LocalId != obj.RootPart.LocalId)))
             {
-                if (ent is SceneObjectGroup)
-                {
-                    SceneObjectGroup obj = ent as SceneObjectGroup;
-                    if (obj != null)
-                    {
-                        // Is this prim part of the group
-                        if (obj.HasChildPrim(objectID))
-                        {
-                            SceneObjectPart part = obj.GetChildPart(objectID);
-
-                            // If the touched prim handles touches, deliver it
-                            // If not, deliver to root prim
-                            if ((part.ScriptEvents & scriptEvents.touch) != 0)
-                                EventManager.TriggerObjectGrabbing(part.LocalId, 0, part.OffsetPosition, remoteClient, surfaceArg);
-                            // Deliver to the root prim if the touched prim doesn't handle touches
-                            // or if we're meant to pass on touches anyway. Don't send to root prim
-                            // if prim touched is the root prim as we just did it
-                            if (((part.ScriptEvents & scriptEvents.touch) == 0) ||
-                                (part.PassTouches && (part.LocalId != obj.RootPart.LocalId)))
-                            {
-                                EventManager.TriggerObjectGrabbing(obj.RootPart.LocalId, part.LocalId, part.OffsetPosition, remoteClient, surfaceArg);
-                            }
-
-                            return;
-                        }
-                    }
-                }
+                EventManager.TriggerObjectGrabbing(obj.RootPart.LocalId, part.LocalId, part.OffsetPosition, remoteClient, surfaceArg);
             }
         }
 
         public virtual void ProcessObjectDeGrab(uint localID, IClientAPI remoteClient, List<SurfaceTouchEventArgs> surfaceArgs)
         {
-            EntityBase[] EntityList = GetEntities();
+            SceneObjectPart part = GetSceneObjectPart(localID);
+            if (part == null)
+                return;
+
+            SceneObjectGroup obj = part.ParentGroup;
 
             SurfaceTouchEventArgs surfaceArg = null;
             if (surfaceArgs != null && surfaceArgs.Count > 0)
                 surfaceArg = surfaceArgs[0];
 
-            foreach (EntityBase ent in EntityList)
-            {
-                if (ent is SceneObjectGroup)
-                {
-                    SceneObjectGroup obj = ent as SceneObjectGroup;
-
-                    // Is this prim part of the group
-                    if (obj.HasChildPrim(localID))
-                    {
-                        SceneObjectPart part=obj.GetChildPart(localID);
-                        if (part != null)
-                        {
-                            // If the touched prim handles touches, deliver it
-                            // If not, deliver to root prim
-                            if ((part.ScriptEvents & scriptEvents.touch_end) != 0)
-                                EventManager.TriggerObjectDeGrab(part.LocalId, 0, remoteClient, surfaceArg);
-                            else
-                                EventManager.TriggerObjectDeGrab(obj.RootPart.LocalId, part.LocalId, remoteClient, surfaceArg);
-
-                            return;
-                        }
-                        return;
-                    }
-                }
-            }
+            // If the touched prim handles touches, deliver it
+            // If not, deliver to root prim
+            if ((part.ScriptEvents & scriptEvents.touch_end) != 0)
+                EventManager.TriggerObjectDeGrab(part.LocalId, 0, remoteClient, surfaceArg);
+            else
+                EventManager.TriggerObjectDeGrab(obj.RootPart.LocalId, part.LocalId, remoteClient, surfaceArg);
         }
 
         public void ProcessAvatarPickerRequest(IClientAPI client, UUID avatarID, UUID RequestID, string query)
diff --git a/OpenSim/Region/Framework/Scenes/Scene.cs b/OpenSim/Region/Framework/Scenes/Scene.cs
index bfabcc2..f8487e7 100644
--- a/OpenSim/Region/Framework/Scenes/Scene.cs
+++ b/OpenSim/Region/Framework/Scenes/Scene.cs
@@ -2636,7 +2636,7 @@ namespace OpenSim.Region.Framework.Scenes
             if (sp == null)
             {
                 m_log.DebugFormat(
-                    "[SCENE]: Adding new child scene presence {0} to scene {1}", client.Name, RegionInfo.RegionName);
+                    "[SCENE]: Adding new child scene presence {0} to scene {1} at pos {2}", client.Name, RegionInfo.RegionName, client.StartPos);
 
                 m_clientManager.Add(client);
                 SubscribeToClientEvents(client);
@@ -2900,7 +2900,6 @@ namespace OpenSim.Region.Framework.Scenes
 
         public virtual void SubscribeToClientParcelEvents(IClientAPI client)
         {
-            client.OnObjectGroupRequest += m_sceneGraph.HandleObjectGroupUpdate;
             client.OnParcelReturnObjectsRequest += LandChannel.ReturnObjectsInParcel;
             client.OnParcelSetOtherCleanTime += LandChannel.SetParcelOtherCleanTime;
             client.OnParcelBuy += ProcessParcelBuy;
@@ -3027,7 +3026,6 @@ namespace OpenSim.Region.Framework.Scenes
 
         public virtual void UnSubscribeToClientParcelEvents(IClientAPI client)
         {
-            client.OnObjectGroupRequest -= m_sceneGraph.HandleObjectGroupUpdate;
             client.OnParcelReturnObjectsRequest -= LandChannel.ReturnObjectsInParcel;
             client.OnParcelSetOtherCleanTime -= LandChannel.SetParcelOtherCleanTime;
             client.OnParcelBuy -= ProcessParcelBuy;
@@ -3386,9 +3384,9 @@ namespace OpenSim.Region.Framework.Scenes
 
             // Don't disable this log message - it's too helpful
             m_log.DebugFormat(
-                "[CONNECTION BEGIN]: Region {0} told of incoming {1} agent {2} {3} {4} (circuit code {5}, teleportflags {6})",
+                "[SCENE]: Region {0} told of incoming {1} agent {2} {3} {4} (circuit code {5}, teleportflags {6}, position {7})",
                 RegionInfo.RegionName, (agent.child ? "child" : "root"), agent.firstname, agent.lastname,
-                agent.AgentID, agent.circuitcode, teleportFlags);
+                agent.AgentID, agent.circuitcode, teleportFlags, agent.startpos);
 
             if (LoginsDisabled)
             {
@@ -3434,7 +3432,7 @@ namespace OpenSim.Region.Framework.Scenes
                     catch (Exception e)
                     {
                         m_log.ErrorFormat(
-                            "[CONNECTION BEGIN]: Exception verifying presence {0}{1}", e.Message, e.StackTrace);
+                            "[SCENE]: Exception verifying presence {0}{1}", e.Message, e.StackTrace);
                         return false;
                     }
                 }
@@ -3452,12 +3450,12 @@ namespace OpenSim.Region.Framework.Scenes
                 catch (Exception e)
                 {
                     m_log.ErrorFormat(
-                        "[CONNECTION BEGIN]: Exception authorizing user {0}{1}", e.Message, e.StackTrace);
+                        "[SCENE]: Exception authorizing user {0}{1}", e.Message, e.StackTrace);
                     return false;
                 }
 
                 m_log.InfoFormat(
-                    "[CONNECTION BEGIN]: Region {0} authenticated and authorized incoming {1} agent {2} {3} {4} (circuit code {5})",
+                    "[SCENE]: Region {0} authenticated and authorized incoming {1} agent {2} {3} {4} (circuit code {5})",
                     RegionInfo.RegionName, (agent.child ? "child" : "root"), agent.firstname, agent.lastname,
                     agent.AgentID, agent.circuitcode);
 
@@ -4462,7 +4460,7 @@ namespace OpenSim.Region.Framework.Scenes
         /// Get a scene object group that contains the prim with the given local id
         /// </summary>
         /// <param name="localID"></param>
-        /// <returns>null if no scene object group containing that prim is found</returns>
+        /// <returns>null if no scene object group containing that prim is found</returns>        
         public SceneObjectGroup GetGroupByPrim(uint localID)
         {
             return m_sceneGraph.GetGroupByPrim(localID);
diff --git a/OpenSim/Region/Framework/Scenes/SceneGraph.cs b/OpenSim/Region/Framework/Scenes/SceneGraph.cs
index c16038c..cd825eb 100644
--- a/OpenSim/Region/Framework/Scenes/SceneGraph.cs
+++ b/OpenSim/Region/Framework/Scenes/SceneGraph.cs
@@ -640,20 +640,6 @@ namespace OpenSim.Region.Framework.Scenes
             }
         }
 
-        protected internal void HandleObjectGroupUpdate(
-            IClientAPI remoteClient, UUID GroupID, uint objectLocalID, UUID Garbage)
-        {
-            if (!remoteClient.IsGroupMember(GroupID))
-                return;
-
-            SceneObjectGroup group = GetGroupByPrim(objectLocalID);
-            if (group != null)
-            {
-                if (group.OwnerID == remoteClient.AgentId)
-                    group.SetGroup(GroupID, remoteClient);
-            }
-        }
-
         protected internal ScenePresence CreateAndAddChildScenePresence(
             IClientAPI client, AvatarAppearance appearance, PresenceType type)
         {
diff --git a/OpenSim/Region/Framework/Scenes/SceneObjectGroup.cs b/OpenSim/Region/Framework/Scenes/SceneObjectGroup.cs
index 09cbbfe..948dca2 100644
--- a/OpenSim/Region/Framework/Scenes/SceneObjectGroup.cs
+++ b/OpenSim/Region/Framework/Scenes/SceneObjectGroup.cs
@@ -1724,19 +1724,23 @@ namespace OpenSim.Region.Framework.Scenes
 
         #endregion
 
-        // Send the parts of this SOG to a single client
-        // Used when the client initially connects and when client sends RequestPrim packet
+        /// <summary>
+        /// Send the parts of this SOG to a single client
+        /// </summary>
+        /// <remarks>
+        /// Used when the client initially connects and when client sends RequestPrim packet
+        /// </remarks>
+        /// <param name="remoteClient"></param>
         public void SendFullUpdateToClient(IClientAPI remoteClient)
         {
-            RootPart.SendFullUpdate(
-                remoteClient, m_scene.Permissions.GenerateClientFlags(remoteClient.AgentId, RootPart.UUID));
+            RootPart.SendFullUpdate(remoteClient);
 
             SceneObjectPart[] parts = m_parts.GetArray();
             for (int i = 0; i < parts.Length; i++)
             {
                 SceneObjectPart part = parts[i];
                 if (part != RootPart)
-                    part.SendFullUpdate(remoteClient, m_scene.Permissions.GenerateClientFlags(remoteClient.AgentId, part.UUID));
+                    part.SendFullUpdate(remoteClient);
             }
         }
 
@@ -2067,10 +2071,11 @@ namespace OpenSim.Region.Framework.Scenes
 
         /// <summary>
         /// Reset the UUIDs for all the prims that make up this group.
-        ///
+        /// </summary>
+        /// <remarks>
         /// This is called by methods which want to add a new group to an existing scene, in order
         /// to ensure that there are no clashes with groups already present.
-        /// </summary>
+        /// </remarks>
         public void ResetIDs()
         {
             lock (m_parts.SyncRoot)
@@ -3636,6 +3641,8 @@ namespace OpenSim.Region.Framework.Scenes
                 part.Inventory.ChangeInventoryGroup(GroupID);
             }
 
+            HasGroupChanged = true;
+            
             // Don't trigger the update here - otherwise some client issues occur when multiple updates are scheduled
             // for the same object with very different properties.  The caller must schedule the update.
             //ScheduleGroupForFullUpdate();
diff --git a/OpenSim/Region/Framework/Scenes/SceneObjectPart.cs b/OpenSim/Region/Framework/Scenes/SceneObjectPart.cs
index 666ce2a..fd70bfd 100644
--- a/OpenSim/Region/Framework/Scenes/SceneObjectPart.cs
+++ b/OpenSim/Region/Framework/Scenes/SceneObjectPart.cs
@@ -2886,8 +2886,7 @@ namespace OpenSim.Region.Framework.Scenes
         /// Send a full update to the client for the given part
         /// </summary>
         /// <param name="remoteClient"></param>
-        /// <param name="clientFlags"></param>
-        protected internal void SendFullUpdate(IClientAPI remoteClient, uint clientFlags)
+        protected internal void SendFullUpdate(IClientAPI remoteClient)
         {
             if (ParentGroup == null)
                 return;
@@ -2899,16 +2898,16 @@ namespace OpenSim.Region.Framework.Scenes
             {
                 if (ParentGroup.IsAttachment)
                 {
-                    SendFullUpdateToClient(remoteClient, AttachedPos, clientFlags);
+                    SendFullUpdateToClient(remoteClient, AttachedPos);
                 }
                 else
                 {
-                    SendFullUpdateToClient(remoteClient, AbsolutePosition, clientFlags);
+                    SendFullUpdateToClient(remoteClient, AbsolutePosition);
                 }
             }
             else
             {
-                SendFullUpdateToClient(remoteClient, clientFlags);
+                SendFullUpdateToClient(remoteClient);
             }
         }
 
@@ -2922,7 +2921,7 @@ namespace OpenSim.Region.Framework.Scenes
 
             ParentGroup.Scene.ForEachScenePresence(delegate(ScenePresence avatar)
             {
-                SendFullUpdate(avatar.ControllingClient, avatar.GenerateClientFlags(UUID));
+                SendFullUpdate(avatar.ControllingClient);
             });
         }
 
@@ -2930,12 +2929,9 @@ namespace OpenSim.Region.Framework.Scenes
         /// Sends a full update to the client
         /// </summary>
         /// <param name="remoteClient"></param>
-        /// <param name="clientFlags"></param>
-        public void SendFullUpdateToClient(IClientAPI remoteClient, uint clientflags)
+        public void SendFullUpdateToClient(IClientAPI remoteClient)
         {
-            Vector3 lPos;
-            lPos = OffsetPosition;
-            SendFullUpdateToClient(remoteClient, lPos, clientflags);
+            SendFullUpdateToClient(remoteClient, OffsetPosition);
         }
 
         /// <summary>
@@ -2943,8 +2939,7 @@ namespace OpenSim.Region.Framework.Scenes
         /// </summary>
         /// <param name="remoteClient"></param>
         /// <param name="lPos"></param>
-        /// <param name="clientFlags"></param>
-        public void SendFullUpdateToClient(IClientAPI remoteClient, Vector3 lPos, uint clientFlags)
+        public void SendFullUpdateToClient(IClientAPI remoteClient, Vector3 lPos)
         {
             if (ParentGroup == null)
                 return;
@@ -2961,15 +2956,10 @@ namespace OpenSim.Region.Framework.Scenes
                 (ParentGroup.AttachmentPoint >= 31) && (ParentGroup.AttachmentPoint <= 38))
                 return;
 
-            clientFlags &= ~(uint) PrimFlags.CreateSelected;
-
             if (remoteClient.AgentId == OwnerID)
             {
                 if ((Flags & PrimFlags.CreateSelected) != 0)
-                {
-                    clientFlags |= (uint) PrimFlags.CreateSelected;
                     Flags &= ~PrimFlags.CreateSelected;
-                }
             }
             //bool isattachment = IsAttachment;
             //if (LocalId != ParentGroup.RootPart.LocalId)
@@ -3403,6 +3393,11 @@ namespace OpenSim.Region.Framework.Scenes
 
         public void SetGroup(UUID groupID, IClientAPI client)
         {
+            // Scene.AddNewPrims() calls with client == null so can't use this.
+//            m_log.DebugFormat(
+//                "[SCENE OBJECT PART]: Setting group for {0} to {1} for {2}",
+//                Name, groupID, OwnerID);
+
             GroupID = groupID;
             if (client != null)
                 SendPropertiesToClient(client);
diff --git a/OpenSim/Region/Framework/Scenes/ScenePresence.cs b/OpenSim/Region/Framework/Scenes/ScenePresence.cs
index 49acc02..0eecf77 100644
--- a/OpenSim/Region/Framework/Scenes/ScenePresence.cs
+++ b/OpenSim/Region/Framework/Scenes/ScenePresence.cs
@@ -289,16 +289,10 @@ namespace OpenSim.Region.Framework.Scenes
 
         #region Properties
 
-        protected PhysicsActor m_physicsActor;
-
         /// <summary>
         /// Physical scene representation of this Avatar.
         /// </summary>
-        public PhysicsActor PhysicsActor
-        {
-            set { m_physicsActor = value; }
-            get { return m_physicsActor; }
-        }
+        public PhysicsActor PhysicsActor { get; private set; }
 
         private byte m_movementflag;
 
@@ -512,9 +506,9 @@ namespace OpenSim.Region.Framework.Scenes
                 {
                     m_pos = PhysicsActor.Position;
 
-//                    m_log.DebugFormat(
-//                        "[SCENE PRESENCE]: Set position {0} for {1} in {2} via getting AbsolutePosition!",
-//                        m_pos, Name, Scene.RegionInfo.RegionName);
+                    //m_log.DebugFormat(
+                    //    "[SCENE PRESENCE]: Set position {0} for {1} in {2} via getting AbsolutePosition!",
+                    //    m_pos, Name, Scene.RegionInfo.RegionName);
                 }
                 else
                 {
@@ -544,7 +538,6 @@ namespace OpenSim.Region.Framework.Scenes
                         }
                     }
                 }
-
                 return m_pos;
             }
             set
@@ -568,9 +561,9 @@ namespace OpenSim.Region.Framework.Scenes
                     ParentPosition = Vector3.Zero;
                 }
 
-//                m_log.DebugFormat(
-//                    "[ENTITY BASE]: In {0} set AbsolutePosition of {1} to {2}",
-//                    Scene.RegionInfo.RegionName, Name, m_pos);
+                //m_log.DebugFormat(
+                //    "[ENTITY BASE]: In {0} set AbsolutePosition of {1} to {2}",
+                //    Scene.RegionInfo.RegionName, Name, m_pos);
             }
         }
 
@@ -806,7 +799,6 @@ namespace OpenSim.Region.Framework.Scenes
         public void RegisterToEvents()
         {
             ControllingClient.OnCompleteMovementToRegion += CompleteMovement;
-            //ControllingClient.OnCompleteMovementToRegion += SendInitialData;
             ControllingClient.OnAgentUpdate += HandleAgentUpdate;
             ControllingClient.OnAgentRequestSit += HandleAgentRequestSit;
             ControllingClient.OnAgentSit += HandleAgentSit;
@@ -854,11 +846,6 @@ namespace OpenSim.Region.Framework.Scenes
 
         #endregion
 
-        public uint GenerateClientFlags(UUID ObjectID)
-        {
-            return m_scene.Permissions.GenerateClientFlags(m_uuid, ObjectID);
-        }
-
         #region Status Methods
 
         /// <summary>
@@ -1049,18 +1036,19 @@ namespace OpenSim.Region.Framework.Scenes
         {
             if (PhysicsActor != null)
             {
-                try
-                {
-                    PhysicsActor.OnRequestTerseUpdate -= SendTerseUpdateToAllClients;
-                    PhysicsActor.OnOutOfBounds -= OutOfBoundsCall;
-                    m_scene.PhysicsScene.RemoveAvatar(PhysicsActor);
-                    PhysicsActor.UnSubscribeEvents();
-                    PhysicsActor.OnCollisionUpdate -= PhysicsCollisionUpdate;
-                    PhysicsActor = null;
-                }
-                catch
-                { }
+//                PhysicsActor.OnRequestTerseUpdate -= SendTerseUpdateToAllClients;
+                PhysicsActor.OnOutOfBounds -= OutOfBoundsCall;
+                m_scene.PhysicsScene.RemoveAvatar(PhysicsActor);
+                PhysicsActor.UnSubscribeEvents();
+                PhysicsActor.OnCollisionUpdate -= PhysicsCollisionUpdate;
+                PhysicsActor = null;
             }
+//            else
+//            {
+//                m_log.ErrorFormat(
+//                    "[SCENE PRESENCE]: Attempt to remove physics actor for {0} on {1} but this scene presence has no physics actor",
+//                    Name, Scene.RegionInfo.RegionName);
+//            }
         }
 
         /// <summary>
@@ -1173,13 +1161,11 @@ namespace OpenSim.Region.Framework.Scenes
         /// <summary>
         /// Sets avatar height in the physics plugin
         /// </summary>
+        /// <param name="height">New height of avatar</param>
         public void SetHeight(float height)
         {
             if (PhysicsActor != null && !IsChildAgent)
-            {
-                Vector3 SetSize = new Vector3(0.45f, 0.6f, height);
-                PhysicsActor.Size = SetSize;
-            }
+                PhysicsActor.Size = new Vector3(0.45f, 0.6f, height);
         }
 
         /// <summary>
@@ -1945,7 +1931,7 @@ namespace OpenSim.Region.Framework.Scenes
 //                m_log.DebugFormat("[SCENE PRESENCE]: {0} {1}", SitTargetisSet, SitTargetUnOccupied);
 
             if (PhysicsActor != null)
-                m_sitAvatarHeight = m_physicsActor.Size.Z;
+                m_sitAvatarHeight = PhysicsActor.Size.Z;
 
             bool canSit = false;
             pos = part.AbsolutePosition + offset;
@@ -2592,7 +2578,10 @@ namespace OpenSim.Region.Framework.Scenes
             // only send update from root agents to other clients; children are only "listening posts"
             if (IsChildAgent)
             {
-                m_log.Warn("[SCENE PRESENCE]: Attempt to send avatar data from a child agent");
+                m_log.WarnFormat(
+                    "[SCENE PRESENCE]: Attempt to send avatar data from a child agent for {0} in {1}",
+                    Name, Scene.RegionInfo.RegionName);
+
                 return;
             }
 
@@ -2650,7 +2639,10 @@ namespace OpenSim.Region.Framework.Scenes
             // only send update from root agents to other clients; children are only "listening posts"
             if (IsChildAgent)
             {
-                m_log.Warn("[SCENE PRESENCE]: Attempt to send avatar data from a child agent");
+                m_log.WarnFormat(
+                    "[SCENE PRESENCE]: Attempt to send avatar data from a child agent for {0} in {1}",
+                    Name, Scene.RegionInfo.RegionName);
+
                 return;
             }
             
@@ -3032,6 +3024,7 @@ namespace OpenSim.Region.Framework.Scenes
             CopyFrom(cAgentData);
         }
 
+        private static Vector3 marker = new Vector3(-1f, -1f, -1f);
         /// <summary>
         /// This updates important decision making data about a child agent
         /// The main purpose is to figure out what objects to send to a child agent that's in a neighboring region
@@ -3052,8 +3045,8 @@ namespace OpenSim.Region.Framework.Scenes
             // region's draw distance.
             // DrawDistance = cAgentData.Far;
             DrawDistance = Scene.DefaultDrawDistance;
-            
-            if (cAgentData.Position != new Vector3(-1f, -1f, -1f)) // UGH!!
+
+            if (cAgentData.Position != marker) // UGH!!
                 m_pos = cAgentData.Position + offset;
 
             if (Vector3.Distance(AbsolutePosition, posLastSignificantMove) >= Scene.ChildReprioritizationDistance)
@@ -3064,8 +3057,6 @@ namespace OpenSim.Region.Framework.Scenes
 
             CameraPosition = cAgentData.Center + offset;
 
-            //SetHeight(cAgentData.AVHeight);
-
             if ((cAgentData.Throttles != null) && cAgentData.Throttles.Length > 0)
                 ControllingClient.SetChildAgentThrottle(cAgentData.Throttles);
 
@@ -3274,6 +3265,13 @@ namespace OpenSim.Region.Framework.Scenes
 //                "[SCENE PRESENCE]: Adding physics actor for {0}, ifFlying = {1} in {2}",
 //                Name, isFlying, Scene.RegionInfo.RegionName);
 
+            if (PhysicsActor != null)
+            {
+                m_log.ErrorFormat(
+                    "[SCENE PRESENCE]: Adding physics actor for {0} to {1} but this scene presence already has a physics actor",
+                    Name, Scene.RegionInfo.RegionName);
+            }
+
             if (Appearance.AvatarHeight == 0)
                 Appearance.SetHeight();
 
@@ -3281,18 +3279,15 @@ namespace OpenSim.Region.Framework.Scenes
 
             Vector3 pVec = AbsolutePosition;
 
-            // Old bug where the height was in centimeters instead of meters
-            PhysicsActor = scene.AddAvatar(LocalId, Firstname + "." + Lastname, pVec,
-                                                 new Vector3(0f, 0f, Appearance.AvatarHeight), isFlying);
+            PhysicsActor = scene.AddAvatar(
+                LocalId, Firstname + "." + Lastname, pVec,
+                new Vector3(0f, 0f, Appearance.AvatarHeight), isFlying);
 
-            scene.AddPhysicsActorTaint(PhysicsActor);
             //PhysicsActor.OnRequestTerseUpdate += SendTerseUpdateToAllClients;
             PhysicsActor.OnCollisionUpdate += PhysicsCollisionUpdate;
             PhysicsActor.OnOutOfBounds += OutOfBoundsCall; // Called for PhysicsActors when there's something wrong
             PhysicsActor.SubscribeEvents(500);
             PhysicsActor.LocalID = LocalId;
-
-            SetHeight(Appearance.AvatarHeight);
         }
 
         private void OutOfBoundsCall(Vector3 pos)