27 files changed, 429 insertions, 238 deletions

diff --git a/OpenSim/ApplicationPlugins/Rest/Inventory/tests/Remote.cs b/OpenSim/ApplicationPlugins/Rest/Inventory/tests/Remote.cs
index b53806c..1c1afd0 100644
--- a/OpenSim/ApplicationPlugins/Rest/Inventory/tests/Remote.cs
+++ b/OpenSim/ApplicationPlugins/Rest/Inventory/tests/Remote.cs
@@ -148,7 +148,7 @@ namespace OpenSim.ApplicationPlugins.Rest.Inventory.Tests
 
                 Rest.main.SceneManager.ForEachScene(delegate(Scene s)
                 {
-                    s.ForEachScenePresence(delegate(ScenePresence sp)
+                    s.ForEachRootScenePresence(delegate(ScenePresence sp)
                     {
                         if (sp.Firstname == names[0] && sp.Lastname == names[1])
                         {
diff --git a/OpenSim/Region/CoreModules/Avatar/Chat/ChatModule.cs b/OpenSim/Region/CoreModules/Avatar/Chat/ChatModule.cs
index b16ca53..4d8fb90 100644
--- a/OpenSim/Region/CoreModules/Avatar/Chat/ChatModule.cs
+++ b/OpenSim/Region/CoreModules/Avatar/Chat/ChatModule.cs
@@ -45,7 +45,7 @@ namespace OpenSim.Region.CoreModules.Avatar.Chat
         private const int DEBUG_CHANNEL = 2147483647;
 
         private bool m_enabled = true;
-        private int m_saydistance = 30;
+        private int m_saydistance = 20;
         private int m_shoutdistance = 100;
         private int m_whisperdistance = 10;
         private List<Scene> m_scenes = new List<Scene>();
@@ -242,7 +242,9 @@ namespace OpenSim.Region.CoreModules.Avatar.Chat
             
             foreach (Scene s in m_scenes)
             {
-                s.ForEachScenePresence(
+                // This should use ForEachClient, but clients don't have a position.
+                // If camera is moved into client, then camera position can be used
+                s.ForEachRootScenePresence(
                     delegate(ScenePresence presence)
                     {
                         ILandObject Presencecheck = s.LandChannel.GetLandObject(presence.AbsolutePosition.X, presence.AbsolutePosition.Y);
@@ -306,12 +308,10 @@ namespace OpenSim.Region.CoreModules.Avatar.Chat
             
             if (c.Scene != null)
             {
-                ((Scene)c.Scene).ForEachRootScenePresence
+                ((Scene)c.Scene).ForEachRootClient
                 (
-                    delegate(ScenePresence presence)
+                    delegate(IClientAPI client)
                     {
-                        IClientAPI client = presence.ControllingClient;
-                        
                         // don't forward SayOwner chat from objects to
                         // non-owner agents
                         if ((c.Type == ChatTypeEnum.Owner) &&
@@ -321,7 +321,7 @@ namespace OpenSim.Region.CoreModules.Avatar.Chat
                         
                         client.SendChatMessage(c.Message, (byte)cType, CenterOfRegion, fromName, fromID, 
                                                (byte)sourceType, (byte)ChatAudibleLevel.Fully);
-                        receiverIDs.Add(presence.UUID);
+                        receiverIDs.Add(client.AgentId);
                     }
                 );
                 (c.Scene as Scene).EventManager.TriggerOnChatToClients(
diff --git a/OpenSim/Region/CoreModules/Avatar/Dialog/DialogModule.cs b/OpenSim/Region/CoreModules/Avatar/Dialog/DialogModule.cs
index 00556c4..bb2cd1f 100644
--- a/OpenSim/Region/CoreModules/Avatar/Dialog/DialogModule.cs
+++ b/OpenSim/Region/CoreModules/Avatar/Dialog/DialogModule.cs
@@ -98,9 +98,9 @@ namespace OpenSim.Region.CoreModules.Avatar.Dialog
         
         public void SendGeneralAlert(string message)
         {
-            m_scene.ForEachRootScenePresence(delegate(ScenePresence presence)
+            m_scene.ForEachRootClient(delegate(IClientAPI client)
             {
-                presence.ControllingClient.SendAlertMessage(message);
+                client.SendAlertMessage(message);
             });
         }
 
@@ -162,9 +162,9 @@ namespace OpenSim.Region.CoreModules.Avatar.Dialog
         public void SendNotificationToUsersInRegion(
             UUID fromAvatarID, string fromAvatarName, string message)
         {
-            m_scene.ForEachRootScenePresence(delegate(ScenePresence presence)
+            m_scene.ForEachRootClient(delegate(IClientAPI client)
             {
-                presence.ControllingClient.SendBlueBoxMessage(fromAvatarID, fromAvatarName, message);
+                client.SendBlueBoxMessage(fromAvatarID, fromAvatarName, message);
             });
         }
         
diff --git a/OpenSim/Region/CoreModules/LightShare/LightShareModule.cs b/OpenSim/Region/CoreModules/LightShare/LightShareModule.cs
index 93e65c3..41a80ce 100644
--- a/OpenSim/Region/CoreModules/LightShare/LightShareModule.cs
+++ b/OpenSim/Region/CoreModules/LightShare/LightShareModule.cs
@@ -145,58 +145,39 @@ namespace OpenSim.Region.CoreModules.World.LightShare
             param.Add(mBlock);
             return param;
         }
-        public void SendProfileToClient(ScenePresence presence)
+
+        public void SendProfileToClient(IClientAPI client)
         {
-            IClientAPI client = presence.ControllingClient;
-            if (m_enableWindlight && m_scene.RegionInfo.WindlightSettings.valid)
-            {
-                if (presence.IsChildAgent == false)
-                {
-                    List<byte[]> param = compileWindlightSettings(m_scene.RegionInfo.WindlightSettings);
-                    client.SendGenericMessage("Windlight", param);
-                }
-            }
-            else
-            {
-                //We probably don't want to spam chat with this.. probably
-                //m_log.Debug("[WINDLIGHT]: Module disabled");
-            }
+            SendProfileToClient(client, m_scene.RegionInfo.WindlightSettings);
         }
-        public void SendProfileToClient(ScenePresence presence, RegionLightShareData wl)
+
+        public void SendProfileToClient(IClientAPI client, RegionLightShareData wl)
         {
-            IClientAPI client = presence.ControllingClient;
             if (m_enableWindlight && m_scene.RegionInfo.WindlightSettings.valid)
             {
-                if (presence.IsChildAgent == false)
-                {
-                    List<byte[]> param = compileWindlightSettings(wl);
-                    client.SendGenericMessage("Windlight", param);
-                }
-            }
-            else
-            {
-                //We probably don't want to spam chat with this.. probably
-                //m_log.Debug("[WINDLIGHT]: Module disabled");
+                List<byte[]> param = compileWindlightSettings(wl);
+                client.SendGenericMessage("Windlight", param);
             }
         }
+
         private void EventManager_OnMakeRootAgent(ScenePresence presence)
         {
             if (m_enableWindlight && m_scene.RegionInfo.WindlightSettings.valid)
                 m_log.Debug("[WINDLIGHT]: Sending windlight scene to new client");
-            SendProfileToClient(presence);
+            SendProfileToClient(presence.ControllingClient);
         }
+
         private void EventManager_OnSendNewWindlightProfileTargeted(RegionLightShareData wl, UUID pUUID)
         {
-            ScenePresence Sc;
-            if (m_scene.TryGetScenePresence(pUUID,out Sc))
-            {
-                SendProfileToClient(Sc,wl);
-            }
+            IClientAPI client;
+            m_scene.TryGetClient(pUUID, out client);
+            SendProfileToClient(client, wl);
         }
+
         private void EventManager_OnSaveNewWindlightProfile()
         {
             if (m_scene.RegionInfo.WindlightSettings.valid)
-                m_scene.ForEachScenePresence(SendProfileToClient);
+                m_scene.ForEachRootClient(SendProfileToClient);
         }
 
         public void PostInitialise()
diff --git a/OpenSim/Region/CoreModules/Scripting/WorldComm/WorldCommModule.cs b/OpenSim/Region/CoreModules/Scripting/WorldComm/WorldCommModule.cs
index a14a84b..640a60b 100644
--- a/OpenSim/Region/CoreModules/Scripting/WorldComm/WorldCommModule.cs
+++ b/OpenSim/Region/CoreModules/Scripting/WorldComm/WorldCommModule.cs
@@ -95,7 +95,7 @@ namespace OpenSim.Region.CoreModules.Scripting.WorldComm
         private Queue m_pendingQ;
         private Scene m_scene;
         private int m_whisperdistance = 10;
-        private int m_saydistance = 30;
+        private int m_saydistance = 20;
         private int m_shoutdistance = 100;
 
         #region IRegionModule Members
diff --git a/OpenSim/Region/CoreModules/World/Estate/EstateManagementModule.cs b/OpenSim/Region/CoreModules/World/Estate/EstateManagementModule.cs
index 1471bc9..0067615 100644
--- a/OpenSim/Region/CoreModules/World/Estate/EstateManagementModule.cs
+++ b/OpenSim/Region/CoreModules/World/Estate/EstateManagementModule.cs
@@ -678,13 +678,14 @@ namespace OpenSim.Region.CoreModules.World.Estate
             if (!Scene.Permissions.CanIssueEstateCommand(remover_client.AgentId, false))
                 return;
 
-            Scene.ForEachRootScenePresence(delegate(ScenePresence p)
+            Scene.ForEachRootClient(delegate(IClientAPI client)
             {
-                if (p.UUID != senderID)
+                if (client.AgentId != senderID)
                 {
                     // make sure they are still there, we could be working down a long list
                     // Also make sure they are actually in the region
-                    if (p != null && !p.IsChildAgent)
+                    ScenePresence p;
+                    if(Scene.TryGetScenePresence(client.AgentId, out p))
                     {
                         if (!Scene.TeleportClientHome(p.UUID, p.ControllingClient))
                         {
@@ -952,9 +953,9 @@ namespace OpenSim.Region.CoreModules.World.Estate
 
         public void sendRegionInfoPacketToAll()
         {
-            Scene.ForEachRootScenePresence(delegate(ScenePresence sp)
+            Scene.ForEachRootClient(delegate(IClientAPI client)
             {
-                HandleRegionInfoRequest(sp.ControllingClient);
+                HandleRegionInfoRequest(client);
             });
         }
 
diff --git a/OpenSim/Region/CoreModules/World/Sun/SunModule.cs b/OpenSim/Region/CoreModules/World/Sun/SunModule.cs
index d2c1289..a838e1e 100644
--- a/OpenSim/Region/CoreModules/World/Sun/SunModule.cs
+++ b/OpenSim/Region/CoreModules/World/Sun/SunModule.cs
@@ -488,9 +488,9 @@ namespace OpenSim.Region.CoreModules
 
         private void SunUpdateToAllClients()
         {
-            m_scene.ForEachRootScenePresence(delegate(ScenePresence sp)
+            m_scene.ForEachRootClient(delegate(IClientAPI client)
             {
-                    SunToClient(sp.ControllingClient);
+                    SunToClient(client);
             });
         }
 
diff --git a/OpenSim/Region/CoreModules/World/Wind/WindModule.cs b/OpenSim/Region/CoreModules/World/Wind/WindModule.cs
index bea5db1..a488725 100644
--- a/OpenSim/Region/CoreModules/World/Wind/WindModule.cs
+++ b/OpenSim/Region/CoreModules/World/Wind/WindModule.cs
@@ -435,9 +435,9 @@ namespace OpenSim.Region.CoreModules
                         m_frameLastUpdateClientArray = m_frame;
                     }
 
-                    m_scene.ForEachRootScenePresence(delegate(ScenePresence sp)
+                    m_scene.ForEachRootClient(delegate(IClientAPI client)
                     {
-                        sp.ControllingClient.SendWindData(windSpeeds);
+                        client.SendWindData(windSpeeds);
                     });
                 }
             }
diff --git a/OpenSim/Region/Framework/Scenes/Scene.cs b/OpenSim/Region/Framework/Scenes/Scene.cs
index cd5ac6c..1a3e3bb 100644
--- a/OpenSim/Region/Framework/Scenes/Scene.cs
+++ b/OpenSim/Region/Framework/Scenes/Scene.cs
@@ -1460,12 +1460,10 @@ namespace OpenSim.Region.Framework.Scenes
         /// <param name="stats">Stats on the Simulator's performance</param>
         private void SendSimStatsPackets(SimStats stats)
         {
-            ForEachRootScenePresence(
-                delegate(ScenePresence agent)
-                {
-                    agent.ControllingClient.SendSimStats(stats);
-                }
-            );
+            ForEachRootClient(delegate(IClientAPI client)
+            {
+                client.SendSimStats(stats);
+            });
         }
 
         /// <summary>
@@ -4387,35 +4385,32 @@ namespace OpenSim.Region.Framework.Scenes
             return m_sceneGraph.GetScenePresence(localID);
         }
 
+        /// <summary>
+        /// Returns true if scene presence is a child (no avatar in this scene)
+        /// </summary>
+        /// <param name="avatarID"></param>
+        /// <returns></returns>
         public override bool PresenceChildStatus(UUID avatarID)
         {
-            ScenePresence cp = GetScenePresence(avatarID);
-
-            // FIXME: This is really crap - some logout code is relying on a NullReferenceException to halt its processing
-            // This needs to be fixed properly by cleaning up the logout code.
-            //if (cp != null)
-            //    return cp.IsChildAgent;
-
-            //return false;
-
-            return cp.IsChildAgent;
+            ScenePresence sp;
+            return TryGetScenePresence(avatarID, out sp) && sp.IsChildAgent;
         }
 
         /// <summary>
-        /// Performs action on all ROOT (not child) scene presences.
-        /// This is just a shortcut function since frequently actions only appy to root SPs
+        /// Performs action on all avatars in the scene (root scene presences)
+        /// Avatars may be an NPC or a 'real' client.
         /// </summary>
         /// <param name="action"></param>
         public void ForEachRootScenePresence(Action<ScenePresence> action)
         {
             if(m_sceneGraph != null)
             {
-                m_sceneGraph.ForEachRootScenePresence(action);
+                m_sceneGraph.ForEachAvatar(action);
             }
         }
 
         /// <summary>
-        /// Performs action on all scene presences.
+        /// Performs action on all scene presences (root and child)
         /// </summary>
         /// <param name="action"></param>
         public void ForEachScenePresence(Action<ScenePresence> action)
@@ -4427,25 +4422,6 @@ namespace OpenSim.Region.Framework.Scenes
         }
 
         /// <summary>
-        /// Perform the given action for each object
-        /// </summary>
-        /// <param name="action"></param>
-        //        public void ForEachObject(Action<SceneObjectGroup> action)
-        //        {
-        //            List<SceneObjectGroup> presenceList;
-        //
-        //            lock (m_sceneObjects)
-        //            {
-        //                presenceList = new List<SceneObjectGroup>(m_sceneObjects.Values);
-        //            }
-        //
-        //            foreach (SceneObjectGroup presence in presenceList)
-        //            {
-        //                action(presence);
-        //            }
-        //        }
-
-        /// <summary>
         /// Get a group via its UUID
         /// </summary>
         /// <param name="fullID"></param>
@@ -4517,6 +4493,22 @@ namespace OpenSim.Region.Framework.Scenes
             return m_sceneGraph.TryGetAvatarByName(avatarName, out avatar);
         }
 
+        /// <summary>
+        /// Perform an action on all clients with an avatar in this scene (root only)
+        /// </summary>
+        /// <param name="action"></param>
+        public void ForEachRootClient(Action<IClientAPI> action)
+        {
+            ForEachRootScenePresence(delegate(ScenePresence presence)
+            {
+                action(presence.ControllingClient);
+            });
+        }
+
+        /// <summary>
+        /// Perform an action on all clients connected to the region (root and child)
+        /// </summary>
+        /// <param name="action"></param>
         public void ForEachClient(Action<IClientAPI> action)
         {
             m_clientManager.ForEachSync(action);
diff --git a/OpenSim/Region/Framework/Scenes/SceneGraph.cs b/OpenSim/Region/Framework/Scenes/SceneGraph.cs
index e1fde64..d780fb3 100644
--- a/OpenSim/Region/Framework/Scenes/SceneGraph.cs
+++ b/OpenSim/Region/Framework/Scenes/SceneGraph.cs
@@ -1265,7 +1265,7 @@ namespace OpenSim.Region.Framework.Scenes
         /// This is just a shortcut function since frequently actions only appy to root SPs
         /// </summary>
         /// <param name="action"></param>
-        public void ForEachRootScenePresence(Action<ScenePresence> action)
+        public void ForEachAvatar(Action<ScenePresence> action)
         {
             ForEachScenePresence(delegate(ScenePresence sp)
             {
diff --git a/OpenSim/Region/Framework/Scenes/SceneManager.cs b/OpenSim/Region/Framework/Scenes/SceneManager.cs
index 3bfd866..eeb087f 100644
--- a/OpenSim/Region/Framework/Scenes/SceneManager.cs
+++ b/OpenSim/Region/Framework/Scenes/SceneManager.cs
@@ -458,16 +458,16 @@ namespace OpenSim.Region.Framework.Scenes
             ForEachCurrentScene(
                 delegate(Scene scene)
                 {
-                    scene.ForEachRootScenePresence(delegate(ScenePresence scenePresence)
+                    scene.ForEachRootClient(delegate(IClientAPI client)
                     {
-                        if (name == null || scenePresence.Name == name)
+                        if (name == null || client.Name == name)
                         {
                             m_log.DebugFormat("Packet debug for {0} {1} set to {2}",
-                                              scenePresence.Firstname,
-                                              scenePresence.Lastname,
+                                              client.FirstName,
+                                              client.LastName,
                                               newDebug);
 
-                            scenePresence.ControllingClient.DebugPacketLevel = newDebug;
+                            client.DebugPacketLevel = newDebug;
                         }
                     });
                 }
diff --git a/OpenSim/Region/Framework/Scenes/SceneObjectGroup.cs b/OpenSim/Region/Framework/Scenes/SceneObjectGroup.cs
index 6204b4f..84d0e71 100644
--- a/OpenSim/Region/Framework/Scenes/SceneObjectGroup.cs
+++ b/OpenSim/Region/Framework/Scenes/SceneObjectGroup.cs
@@ -1473,7 +1473,7 @@ namespace OpenSim.Region.Framework.Scenes
             {
                 SceneObjectPart part = parts[i];
 
-                Scene.ForEachScenePresence(delegate(ScenePresence avatar)
+                Scene.ForEachRootScenePresence(delegate(ScenePresence avatar)
                 {
                     if (avatar.ParentID == LocalId)
                         avatar.StandUp();
diff --git a/OpenSim/Region/Framework/Scenes/SceneObjectPart.cs b/OpenSim/Region/Framework/Scenes/SceneObjectPart.cs
index 948518a..c8f28c7 100644
--- a/OpenSim/Region/Framework/Scenes/SceneObjectPart.cs
+++ b/OpenSim/Region/Framework/Scenes/SceneObjectPart.cs
@@ -1025,7 +1025,7 @@ namespace OpenSim.Region.Framework.Scenes
         public PrimitiveBaseShape Shape
         {
             get { return m_shape; }
-            set { m_shape = value; }
+            set { m_shape = value;}
         }
 
         /// <summary>
@@ -1389,12 +1389,12 @@ namespace OpenSim.Region.Framework.Scenes
         /// <param name="AgentID"></param>
         private void SendRootPartPropertiesToClient(UUID AgentID)
         {
-            m_parentGroup.Scene.ForEachScenePresence(delegate(ScenePresence avatar)
+            m_parentGroup.Scene.ForEachClient(delegate(IClientAPI client)
             {
                 // Ugly reference :(
-                if (avatar.UUID == AgentID)
+                if (client.AgentId == AgentID)
                 {
-                    m_parentGroup.SendPropertiesToClient(avatar.ControllingClient);
+                    m_parentGroup.SendPropertiesToClient(client);
                 }
             });
         }
@@ -1514,9 +1514,9 @@ namespace OpenSim.Region.Framework.Scenes
             if (volume < 0)
                 volume = 0;
 
-            m_parentGroup.Scene.ForEachRootScenePresence(delegate(ScenePresence sp)
+            m_parentGroup.Scene.ForEachRootClient(delegate(IClientAPI client)
             {
-                sp.ControllingClient.SendAttachedSoundGainChange(UUID, (float)volume);
+                client.SendAttachedSoundGainChange(UUID, (float)volume);
             });
         }
 
@@ -2270,7 +2270,7 @@ namespace OpenSim.Region.Framework.Scenes
                         }
                         else
                         {
-                            m_parentGroup.Scene.ForEachScenePresence(delegate(ScenePresence av)
+                            m_parentGroup.Scene.ForEachRootScenePresence(delegate(ScenePresence av)
                             {
                                 if (av.LocalId == localId)
                                 {
@@ -2401,7 +2401,7 @@ namespace OpenSim.Region.Framework.Scenes
                         }
                         else
                         {
-                            m_parentGroup.Scene.ForEachScenePresence(delegate(ScenePresence av)
+                            m_parentGroup.Scene.ForEachRootScenePresence(delegate(ScenePresence av)
                             {
                                 if (av.LocalId == localId)
                                 {
@@ -2524,7 +2524,7 @@ namespace OpenSim.Region.Framework.Scenes
                         }
                         else
                         {
-                            m_parentGroup.Scene.ForEachScenePresence(delegate(ScenePresence av)
+                            m_parentGroup.Scene.ForEachRootScenePresence(delegate(ScenePresence av)
                             {
                                 if (av.LocalId == localId)
                                 {
diff --git a/OpenSim/Region/Framework/Scenes/ScenePresence.cs b/OpenSim/Region/Framework/Scenes/ScenePresence.cs
index aa1c15e..9bf5bea 100644
--- a/OpenSim/Region/Framework/Scenes/ScenePresence.cs
+++ b/OpenSim/Region/Framework/Scenes/ScenePresence.cs
@@ -1072,7 +1072,7 @@ namespace OpenSim.Region.Framework.Scenes
             }
 
             // send the animations of the other presences to me
-            m_scene.ForEachScenePresence(delegate(ScenePresence presence)
+            m_scene.ForEachRootScenePresence(delegate(ScenePresence presence)
             {
                 if (presence != this)
                     presence.Animator.SendAnimPackToClient(ControllingClient);
diff --git a/OpenSim/Region/OptionalModules/Avatar/Appearance/AppearanceInfoModule.cs b/OpenSim/Region/OptionalModules/Avatar/Appearance/AppearanceInfoModule.cs
index f8120aa..28f04b3 100644
--- a/OpenSim/Region/OptionalModules/Avatar/Appearance/AppearanceInfoModule.cs
+++ b/OpenSim/Region/OptionalModules/Avatar/Appearance/AppearanceInfoModule.cs
@@ -123,15 +123,12 @@ namespace OpenSim.Region.OptionalModules.Avatar.Appearance
             {   
                 foreach (Scene scene in m_scenes.Values)
                 {
-                    scene.ForEachScenePresence(
+                    scene.ForEachRootScenePresence(
                         delegate(ScenePresence sp)
                         {
-                            if (sp.ControllingClient is LLClientView && !((LLClientView)sp.ControllingClient).ChildAgentStatus())
-                            {
-                                bool bakedTextureValid = scene.AvatarFactory.ValidateBakedTextureCache(sp);
-                                MainConsole.Instance.OutputFormat(
-                                    "{0} baked appearance texture is {1}", sp.Name, bakedTextureValid ? "OK" : "corrupt");
-                            }
+                            bool bakedTextureValid = scene.AvatarFactory.ValidateBakedTextureCache(sp);
+                            MainConsole.Instance.OutputFormat(
+                                "{0} baked appearance texture is {1}", sp.Name, bakedTextureValid ? "OK" : "corrupt");
                         });
                 }
             }
diff --git a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
index 45a5f9a..ff91cfa 100644
--- a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
+++ b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
@@ -1827,7 +1827,7 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
             if (flexi)
             {
                 part.Shape.FlexiEntry = true;   // this setting flexi true isn't working, but the below parameters do
-                                                // work once the prim is already flexi
+                                                                // work once the prim is already flexi
                 part.Shape.FlexiSoftness = softness;
                 part.Shape.FlexiGravity = gravity;
                 part.Shape.FlexiDrag = friction;
@@ -1837,10 +1837,9 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
                 part.Shape.FlexiForceY = (float)Force.y;
                 part.Shape.FlexiForceZ = (float)Force.z;
                 part.Shape.PathCurve = 0x80;
+                part.ParentGroup.HasGroupChanged = true;
+                part.ScheduleFullUpdate();
             }
-
-            part.ParentGroup.HasGroupChanged = true;
-            part.ScheduleFullUpdate();
         }
 
         /// <summary>
@@ -11199,7 +11198,7 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
 
                 if (checkAgents)
                 {
-                    World.ForEachScenePresence(delegate(ScenePresence sp)
+                    World.ForEachRootScenePresence(delegate(ScenePresence sp)
                     {
                         if (sp.AbsolutePosition.ApproxEquals(posToCheck, sp.PhysicsActor.Size.X))
                         {
diff --git a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/Plugins/SensorRepeat.cs b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/Plugins/SensorRepeat.cs
index 6de0773..ed5a2fe 100644
--- a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/Plugins/SensorRepeat.cs
+++ b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/Plugins/SensorRepeat.cs
@@ -510,7 +510,7 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api.Plugins
                     senseEntity(sp);
                 if ((ts.type & AGENT_BY_USERNAME) != 0)
                 {
-                    m_CmdManager.m_ScriptEngine.World.ForEachScenePresence(
+                    m_CmdManager.m_ScriptEngine.World.ForEachRootScenePresence(
                         delegate (ScenePresence ssp)
                         {
                             if (ssp.Lastname == "Resident")
@@ -529,7 +529,7 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api.Plugins
             }
             else
             {
-                m_CmdManager.m_ScriptEngine.World.ForEachScenePresence(senseEntity);
+                m_CmdManager.m_ScriptEngine.World.ForEachRootScenePresence(senseEntity);
             }
             return sensedEntities;
         }
diff --git a/OpenSim/Services/Connectors/SimianGrid/SimianAssetServiceConnector.cs b/OpenSim/Services/Connectors/SimianGrid/SimianAssetServiceConnector.cs
index 30d3147..d8089ac 100644
--- a/OpenSim/Services/Connectors/SimianGrid/SimianAssetServiceConnector.cs
+++ b/OpenSim/Services/Connectors/SimianGrid/SimianAssetServiceConnector.cs
@@ -473,7 +473,7 @@ namespace OpenSim.Services.Connectors.SimianGrid
                         // Grab the asset data from the response stream
                         using (MemoryStream stream = new MemoryStream())
                         {
-                            responseStream.CopyTo(stream, Int32.MaxValue);
+                            responseStream.CopyTo(stream, 4096);
                             asset.Data = stream.ToArray();
                         }
                     }
diff --git a/OpenSim/Tools/pCampBot/Behaviours/GrabbingBehaviour.cs b/OpenSim/Tools/pCampBot/Behaviours/GrabbingBehaviour.cs
new file mode 100644
index 0000000..7084ab4
--- /dev/null
+++ b/OpenSim/Tools/pCampBot/Behaviours/GrabbingBehaviour.cs
@@ -0,0 +1,56 @@
+/*
+ * Copyright (c) Contributors, http://opensimulator.org/
+ * See CONTRIBUTORS.TXT for a full list of copyright holders.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * Neither the name of the OpenSimulator Project nor the
+ *       names of its contributors may be used to endorse or promote products
+ *       derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+using OpenMetaverse;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using pCampBot.Interfaces;
+
+namespace pCampBot
+{
+    /// <summary>
+    /// Click (grab) on random objects in the scene.
+    /// </summary>
+    /// <remarks>
+    /// The viewer itself does not give the option of grabbing objects that haven't been signalled as grabbable.
+    /// </remarks>
+    public class GrabbingBehaviour : IBehaviour
+    {
+        public void Action(Bot bot)
+        {
+            Dictionary<UUID, Primitive> objects = bot.Objects;
+
+            Primitive prim = objects.ElementAt(bot.Random.Next(0, objects.Count)).Value;
+
+            // This appears to be a typical message sent when a viewer user clicks a clickable object
+            bot.Client.Self.Grab(prim.LocalID);
+            bot.Client.Self.GrabUpdate(prim.ID, Vector3.Zero);
+            bot.Client.Self.DeGrab(prim.LocalID);
+        }
+    }
+}
\ No newline at end of file
diff --git a/OpenSim/Tools/pCampBot/Behaviours/PhysicsBehaviour.cs b/OpenSim/Tools/pCampBot/Behaviours/PhysicsBehaviour.cs
new file mode 100644
index 0000000..3ce08bf
--- /dev/null
+++ b/OpenSim/Tools/pCampBot/Behaviours/PhysicsBehaviour.cs
@@ -0,0 +1,95 @@
+/*
+ * Copyright (c) Contributors, http://opensimulator.org/
+ * See CONTRIBUTORS.TXT for a full list of copyright holders.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * Neither the name of the OpenSimulator Project nor the
+ *       names of its contributors may be used to endorse or promote products
+ *       derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+using System;
+using System.IO;
+using System.Threading;
+using OpenMetaverse;
+using OpenSim.Framework;
+using pCampBot.Interfaces;
+
+namespace pCampBot
+{
+    /// <summary>
+    /// Stress physics by moving and bouncing around bots a whole lot.
+    /// </summary>
+    /// <remarks>
+    /// TODO: talkarray should be in a separate behaviour.
+    /// </remarks>
+    public class PhysicsBehaviour : IBehaviour
+    {
+        private string[] talkarray;
+
+        public PhysicsBehaviour()
+        {
+            talkarray = readexcuses();
+        }
+
+        public void Action(Bot bot)
+        {
+            int walkorrun = bot.Random.Next(4); // Randomize between walking and running. The greater this number,
+                                                // the greater the bot's chances to walk instead of run.
+            bot.Client.Self.Jump(false);
+            if (walkorrun == 0)
+            {
+                bot.Client.Self.Movement.AlwaysRun = true;
+            }
+            else
+            {
+                bot.Client.Self.Movement.AlwaysRun = false;
+            }
+
+            // TODO: unused: Vector3 pos = client.Self.SimPosition;
+            Vector3 newpos = new Vector3(bot.Random.Next(1, 254), bot.Random.Next(1, 254), bot.Random.Next(1, 254));
+            bot.Client.Self.Movement.TurnToward(newpos);
+
+            bot.Client.Self.Movement.AtPos = true;
+            Thread.Sleep(bot.Random.Next(3000, 13000));
+            bot.Client.Self.Movement.AtPos = false;
+            bot.Client.Self.Jump(true);
+
+            string randomf = talkarray[bot.Random.Next(talkarray.Length)];
+            if (talkarray.Length > 1 && randomf.Length > 1)
+                bot.Client.Self.Chat(randomf, 0, ChatType.Normal);
+        }
+
+        private string[] readexcuses()
+        {
+            string allexcuses = "";
+
+            string file = Path.Combine(Util.configDir(), "pCampBotSentences.txt");
+            if (File.Exists(file))
+            {
+                StreamReader csr = File.OpenText(file);
+                allexcuses = csr.ReadToEnd();
+                csr.Close();
+            }
+
+            return allexcuses.Split(Environment.NewLine.ToCharArray());
+        }
+    }
+}
\ No newline at end of file
diff --git a/OpenSim/Tools/pCampBot/PhysicsBot.cs b/OpenSim/Tools/pCampBot/Bot.cs
index a8b2426..1b30766 100644
--- a/OpenSim/Tools/pCampBot/PhysicsBot.cs
+++ b/OpenSim/Tools/pCampBot/Bot.cs
@@ -38,20 +38,45 @@ using OpenMetaverse.Assets;
 using Nini.Config;
 using OpenSim.Framework;
 using OpenSim.Framework.Console;
+using pCampBot.Interfaces;
 using Timer = System.Timers.Timer;
 
 namespace pCampBot
 {
-    public class PhysicsBot
+    public class Bot
     {
         private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
 
-        public delegate void AnEvent(PhysicsBot callbot, EventType someevent); // event delegate for bot events
+        public delegate void AnEvent(Bot callbot, EventType someevent); // event delegate for bot events
 
         public BotManager BotManager { get; private set; }
         private IConfig startupConfig; // bot config, passed from BotManager
 
         /// <summary>
+        /// Behaviours implemented by this bot.
+        /// </summary>
+        /// <remarks>
+        /// Lock this list before manipulating it.
+        /// </remarks>
+        public List<IBehaviour> Behaviours { get; private set; }
+
+        /// <summary>
+        /// Objects that the bot has discovered.
+        /// </summary>
+        /// <remarks>
+        /// Returns a list copy.  Inserting new objects manually will have no effect.
+        /// </remarks>
+        public Dictionary<UUID, Primitive> Objects
+        {
+            get
+            {
+                lock (m_objects)
+                    return new Dictionary<UUID, Primitive>(m_objects);
+            }
+        }
+        private Dictionary<UUID, Primitive> m_objects = new Dictionary<UUID, Primitive>();
+
+        /// <summary>
         /// Is this bot connected to the grid?
         /// </summary>
         public bool IsConnected { get; private set; }
@@ -74,25 +99,33 @@ namespace pCampBot
 
         protected List<uint> objectIDs = new List<uint>();
 
-        protected Random somthing = new Random(Environment.TickCount);// We do stuff randomly here
+        /// <summary>
+        /// Random number generator.
+        /// </summary>
+        public Random Random { get; private set; }
 
         /// <summary>
         /// New instance of a SecondLife client
         /// </summary>
-        public GridClient client = new GridClient();
-
-        protected string[] talkarray;
+        public GridClient Client { get; private set; }
 
         /// <summary>
         /// Constructor
         /// </summary>
         /// <param name="bm"></param>
+        /// <param name="behaviours">Behaviours for this bot to perform</param>
         /// <param name="firstName"></param>
         /// <param name="lastName"></param>
         /// <param name="password"></param>
         /// <param name="loginUri"></param>
-        public PhysicsBot(BotManager bm, string firstName, string lastName, string password, string loginUri)
+        /// <param name="behaviours"></param>
+        public Bot(
+            BotManager bm, List<IBehaviour> behaviours,
+            string firstName, string lastName, string password, string loginUri)
         {
+            Client = new GridClient();
+
+            Random = new Random(Environment.TickCount);// We do stuff randomly here
             FirstName = firstName;
             LastName = lastName;
             Name = string.Format("{0} {1}", FirstName, LastName);
@@ -102,7 +135,8 @@ namespace pCampBot
             BotManager = bm;
             startupConfig = bm.Config;
             readconfig();
-            talkarray = readexcuses();
+
+            Behaviours = behaviours;
         }
 
         //We do our actions here.  This is where one would
@@ -110,34 +144,16 @@ namespace pCampBot
         private void Action()
         {
             while (true)
-            {
-                int walkorrun = somthing.Next(4); // Randomize between walking and running. The greater this number,
-                                                  // the greater the bot's chances to walk instead of run.
-                client.Self.Jump(false);
-                if (walkorrun == 0)
-                {
-                    client.Self.Movement.AlwaysRun = true;
-                }
-                else
-                {
-                    client.Self.Movement.AlwaysRun = false;
-                }
-
-                // TODO: unused: Vector3 pos = client.Self.SimPosition;
-                Vector3 newpos = new Vector3(somthing.Next(1, 254), somthing.Next(1, 254), somthing.Next(1, 254));
-                client.Self.Movement.TurnToward(newpos);
-
-                client.Self.Movement.AtPos = true;
-                Thread.Sleep(somthing.Next(3000, 13000));
-                client.Self.Movement.AtPos = false;
-                client.Self.Jump(true);
-
-                string randomf = talkarray[somthing.Next(talkarray.Length)];
-                if (talkarray.Length > 1 && randomf.Length > 1)
-                    client.Self.Chat(randomf, 0, ChatType.Normal);
+                lock (Behaviours)
+                    Behaviours.ForEach(
+                        b =>
+                        {
+                            // m_log.DebugFormat("[pCAMPBOT]: For {0} performing action {1}", Name, b.GetType());
+                            b.Action(this);
 
-                Thread.Sleep(somthing.Next(1000, 10000));
-            }
+                            Thread.Sleep(Random.Next(1000, 10000));
+                        }
+                    );
         }
 
         /// <summary>
@@ -145,7 +161,7 @@ namespace pCampBot
         /// </summary>
         public void readconfig()
         {
-            wear = startupConfig.GetString("wear","no");
+            wear = startupConfig.GetString("wear", "no");
         }
 
         /// <summary>
@@ -156,7 +172,7 @@ namespace pCampBot
             if (m_actionThread != null)
                 m_actionThread.Abort();
 
-            client.Network.Logout();
+            Client.Network.Logout();
         }
 
         /// <summary>
@@ -164,50 +180,50 @@ namespace pCampBot
         /// </summary>
         public void startup()
         {
-            client.Settings.LOGIN_SERVER = LoginUri;
-            client.Settings.ALWAYS_DECODE_OBJECTS = false;
-            client.Settings.AVATAR_TRACKING = false;
-            client.Settings.OBJECT_TRACKING = false;
-            client.Settings.SEND_AGENT_THROTTLE = true;
-            client.Settings.SEND_PINGS = true;
-            client.Settings.STORE_LAND_PATCHES = false;
-            client.Settings.USE_ASSET_CACHE = false;
-            client.Settings.MULTIPLE_SIMS = true;
-            client.Throttle.Asset = 100000;
-            client.Throttle.Land = 100000;
-            client.Throttle.Task = 100000;
-            client.Throttle.Texture = 100000;
-            client.Throttle.Wind = 100000;
-            client.Throttle.Total = 400000;
-            client.Network.LoginProgress += this.Network_LoginProgress;
-            client.Network.SimConnected += this.Network_SimConnected;
-            client.Network.Disconnected += this.Network_OnDisconnected;
-            client.Objects.ObjectUpdate += Objects_NewPrim;
-
-            if (client.Network.Login(FirstName, LastName, Password, "pCampBot", "Your name"))
+            Client.Settings.LOGIN_SERVER = LoginUri;
+            Client.Settings.ALWAYS_DECODE_OBJECTS = false;
+            Client.Settings.AVATAR_TRACKING = false;
+            Client.Settings.OBJECT_TRACKING = false;
+            Client.Settings.SEND_AGENT_THROTTLE = true;
+            Client.Settings.SEND_PINGS = true;
+            Client.Settings.STORE_LAND_PATCHES = false;
+            Client.Settings.USE_ASSET_CACHE = false;
+            Client.Settings.MULTIPLE_SIMS = true;
+            Client.Throttle.Asset = 100000;
+            Client.Throttle.Land = 100000;
+            Client.Throttle.Task = 100000;
+            Client.Throttle.Texture = 100000;
+            Client.Throttle.Wind = 100000;
+            Client.Throttle.Total = 400000;
+            Client.Network.LoginProgress += this.Network_LoginProgress;
+            Client.Network.SimConnected += this.Network_SimConnected;
+            Client.Network.Disconnected += this.Network_OnDisconnected;
+            Client.Objects.ObjectUpdate += Objects_NewPrim;
+
+            if (Client.Network.Login(FirstName, LastName, Password, "pCampBot", "Your name"))
             {
                 IsConnected = true;
 
-                Thread.Sleep(somthing.Next(1000, 10000));
+                Thread.Sleep(Random.Next(1000, 10000));
                 m_actionThread = new Thread(Action);
                 m_actionThread.Start();
 
 //                    OnConnected(this, EventType.CONNECTED);
                 if (wear == "save")
                 {
-                    client.Appearance.SetPreviousAppearance();
+                    Client.Appearance.SetPreviousAppearance();
                     SaveDefaultAppearance();
                 }
                 else if (wear != "no")
                 {
                     MakeDefaultAppearance(wear);
                 }
-                client.Self.Jump(true);
+                Client.Self.Jump(true);
             }
             else
             {
                 MainConsole.Instance.OutputFormat(
-                    "{0} {1} cannot login: {2}", FirstName, LastName, client.Network.LoginMessage);
+                    "{0} {1} cannot login: {2}", FirstName, LastName, Client.Network.LoginMessage);
 
                 if (OnDisconnected != null)
                 {
@@ -227,11 +243,11 @@ namespace pCampBot
             Array wtypes = Enum.GetValues(typeof(WearableType));
             foreach (WearableType wtype in wtypes)
             {
-                UUID wearable = client.Appearance.GetWearableAsset(wtype);
+                UUID wearable = Client.Appearance.GetWearableAsset(wtype);
                 if (wearable != UUID.Zero)
                 {
-                    client.Assets.RequestAsset(wearable, AssetType.Clothing, false, Asset_ReceivedCallback);
-                    client.Assets.RequestAsset(wearable, AssetType.Bodypart, false, Asset_ReceivedCallback);
+                    Client.Assets.RequestAsset(wearable, AssetType.Clothing, false, Asset_ReceivedCallback);
+                    Client.Assets.RequestAsset(wearable, AssetType.Bodypart, false, Asset_ReceivedCallback);
                 }
             }
         }
@@ -306,11 +322,11 @@ namespace pCampBot
                     UUID assetID = UUID.Random();
                     AssetClothing asset = new AssetClothing(assetID, File.ReadAllBytes(clothing[i]));
                     asset.Decode();
-                    asset.Owner = client.Self.AgentID;
+                    asset.Owner = Client.Self.AgentID;
                     asset.WearableType = GetWearableType(clothing[i]);
                     asset.Encode();
-                    transid = client.Assets.RequestUpload(asset,true);
-                    client.Inventory.RequestCreateItem(clothfolder.UUID, "MyClothing" + i.ToString(), "MyClothing", AssetType.Clothing,
+                    transid = Client.Assets.RequestUpload(asset,true);
+                    Client.Inventory.RequestCreateItem(clothfolder.UUID, "MyClothing" + i.ToString(), "MyClothing", AssetType.Clothing,
                          transid, InventoryType.Wearable, asset.WearableType, PermissionMask.All, delegate(bool success, InventoryItem item)
                     {
                         if (success)
@@ -328,11 +344,11 @@ namespace pCampBot
                     UUID assetID = UUID.Random();
                     AssetBodypart asset = new AssetBodypart(assetID, File.ReadAllBytes(bodyparts[i]));
                     asset.Decode();
-                    asset.Owner = client.Self.AgentID;
+                    asset.Owner = Client.Self.AgentID;
                     asset.WearableType = GetWearableType(bodyparts[i]);
                     asset.Encode();
-                    transid = client.Assets.RequestUpload(asset,true);
-                    client.Inventory.RequestCreateItem(clothfolder.UUID, "MyBodyPart" + i.ToString(), "MyBodyPart", AssetType.Bodypart,
+                    transid = Client.Assets.RequestUpload(asset,true);
+                    Client.Inventory.RequestCreateItem(clothfolder.UUID, "MyBodyPart" + i.ToString(), "MyBodyPart", AssetType.Bodypart,
                          transid, InventoryType.Wearable, asset.WearableType, PermissionMask.All, delegate(bool success, InventoryItem item)
                     {
                         if (success)
@@ -352,7 +368,7 @@ namespace pCampBot
                 else
                 {
                     MainConsole.Instance.Output(String.Format("Sending {0} wearables...",listwearables.Count));
-                    client.Appearance.WearOutfit(listwearables, false);
+                    Client.Appearance.WearOutfit(listwearables, false);
                 }
             }
             catch (Exception ex)
@@ -363,8 +379,8 @@ namespace pCampBot
 
         public InventoryFolder FindClothingFolder()
         {
-            UUID rootfolder = client.Inventory.Store.RootFolder.UUID;
-            List<InventoryBase> listfolders = client.Inventory.Store.GetContents(rootfolder);
+            UUID rootfolder = Client.Inventory.Store.RootFolder.UUID;
+            List<InventoryBase> listfolders = Client.Inventory.Store.GetContents(rootfolder);
             InventoryFolder clothfolder = new InventoryFolder(UUID.Random());
             foreach (InventoryBase folder in listfolders)
             {
@@ -419,6 +435,9 @@ namespace pCampBot
 
             if (prim != null)
             {
+                lock (m_objects)
+                    m_objects[prim.ID] = prim;
+
                 if (prim.Textures != null)
                 {
                     if (prim.Textures.DefaultTexture.TextureID != UUID.Zero)
@@ -430,10 +449,8 @@ namespace pCampBot
                     {
                         UUID textureID = prim.Textures.FaceTextures[i].TextureID;
 
-                        if (textureID != null && textureID != UUID.Zero)
-                        {
+                        if (textureID != UUID.Zero)
                             GetTexture(textureID);
-                        }
                     }
                 }
 
@@ -453,10 +470,9 @@ namespace pCampBot
                     return;
 
                 BotManager.AssetsReceived[textureID] = false;
-                client.Assets.RequestImage(textureID, ImageType.Normal, Asset_TextureCallback_Texture);
+                Client.Assets.RequestImage(textureID, ImageType.Normal, Asset_TextureCallback_Texture);
             }
         }
-
         
         public void Asset_TextureCallback_Texture(TextureRequestState state, AssetTexture assetTexture)
         {
@@ -473,20 +489,5 @@ namespace pCampBot
 //                SaveAsset((AssetWearable) asset);
 //            }
         }
-
-        public string[] readexcuses()
-        {
-            string allexcuses = "";
-
-            string file = Path.Combine(Util.configDir(), "pCampBotSentences.txt");
-            if (File.Exists(file))
-            {
-                StreamReader csr = File.OpenText(file);
-                allexcuses = csr.ReadToEnd();
-                csr.Close();
-            }
-
-            return allexcuses.Split(Environment.NewLine.ToCharArray());
-        }
     }
 }
diff --git a/OpenSim/Tools/pCampBot/BotManager.cs b/OpenSim/Tools/pCampBot/BotManager.cs
index b05bd6d..704770a 100644
--- a/OpenSim/Tools/pCampBot/BotManager.cs
+++ b/OpenSim/Tools/pCampBot/BotManager.cs
@@ -37,6 +37,7 @@ using log4net.Repository;
 using Nini.Config;
 using OpenSim.Framework;
 using OpenSim.Framework.Console;
+using pCampBot.Interfaces;
 
 namespace pCampBot
 {
@@ -48,7 +49,7 @@ namespace pCampBot
         private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
 
         protected CommandConsole m_console;
-        protected List<PhysicsBot> m_lBot;
+        protected List<Bot> m_lBot;
         protected Random somthing = new Random(Environment.TickCount);
         protected int numbots = 0;
         public IConfig Config { get; private set; }
@@ -102,7 +103,7 @@ namespace pCampBot
 //                    "add bots <number>",
 //                    "Add more bots", HandleAddBots);
 
-            m_lBot = new List<PhysicsBot>();
+            m_lBot = new List<Bot>();
         }
 
         /// <summary>
@@ -119,10 +120,24 @@ namespace pCampBot
             string password = cs.GetString("password");
             string loginUri = cs.GetString("loginuri");
 
+            HashSet<string> behaviourSwitches = new HashSet<string>();
+            Array.ForEach<string>(
+                cs.GetString("behaviours", "p").Split(new char[] { ',' }), b => behaviourSwitches.Add(b));
+
             for (int i = 0; i < botcount; i++)
             {
                 string lastName = string.Format("{0}_{1}", lastNameStem, i);
-                startupBot(i, this, firstName, lastName, password, loginUri);
+
+                List<IBehaviour> behaviours = new List<IBehaviour>();
+    
+                // Hard-coded for now
+                if (behaviourSwitches.Contains("p"))
+                    behaviours.Add(new PhysicsBehaviour());
+    
+                if (behaviourSwitches.Contains("g"))
+                    behaviours.Add(new GrabbingBehaviour());
+
+                startupBot(i, this, behaviours, firstName, lastName, password, loginUri);
             }
         }
 
@@ -150,14 +165,17 @@ namespace pCampBot
         /// This starts up the bot and stores the thread for the bot in the thread array
         /// </summary>
         /// <param name="pos">The position in the thread array to stick the bot's thread</param>
-        /// <param name="cs">Configuration of the bot</param>
+        /// <param name="bm"></param>
+        /// <param name="behaviours">Behaviours for this bot to perform.</param>
         /// <param name="firstName">First name</param>
         /// <param name="lastName">Last name</param>
         /// <param name="password">Password</param>
         /// <param name="loginUri">Login URI</param>
-        public void startupBot(int pos, BotManager bm, string firstName, string lastName, string password, string loginUri)
+        public void startupBot(
+             int pos, BotManager bm, List<IBehaviour> behaviours,
+             string firstName, string lastName, string password, string loginUri)
         {
-            PhysicsBot pb = new PhysicsBot(bm, firstName, lastName, password, loginUri);
+            Bot pb = new Bot(bm, behaviours, firstName, lastName, password, loginUri);
 
             pb.OnConnected += handlebotEvent;
             pb.OnDisconnected += handlebotEvent;
@@ -176,7 +194,7 @@ namespace pCampBot
         /// </summary>
         /// <param name="callbot"></param>
         /// <param name="eventt"></param>
-        private void handlebotEvent(PhysicsBot callbot, EventType eventt)
+        private void handlebotEvent(Bot callbot, EventType eventt)
         {
             switch (eventt)
             {
@@ -201,7 +219,7 @@ namespace pCampBot
         public void doBotShutdown()
         {
             lock (m_lBot)
-                foreach (PhysicsBot pb in m_lBot)
+                foreach (Bot pb in m_lBot)
                     pb.shutdown();
         }
 
@@ -227,7 +245,7 @@ namespace pCampBot
 
             lock (m_lBot)
             {
-                foreach (PhysicsBot pb in m_lBot)
+                foreach (Bot pb in m_lBot)
                 {
                     MainConsole.Instance.OutputFormat(
                         outputFormat, pb.Name, (pb.IsConnected ? "Connected" : "Disconnected"));
diff --git a/OpenSim/Tools/pCampBot/Interfaces/IBehaviour.cs b/OpenSim/Tools/pCampBot/Interfaces/IBehaviour.cs
new file mode 100644
index 0000000..d4ae0f0
--- /dev/null
+++ b/OpenSim/Tools/pCampBot/Interfaces/IBehaviour.cs
@@ -0,0 +1,36 @@
+/*
+ * Copyright (c) Contributors, http://opensimulator.org/
+ * See CONTRIBUTORS.TXT for a full list of copyright holders.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * Neither the name of the OpenSimulator Project nor the
+ *       names of its contributors may be used to endorse or promote products
+ *       derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+using System;
+
+namespace pCampBot.Interfaces
+{
+    public interface IBehaviour
+    {
+        void Action(Bot bot);
+    }
+}
\ No newline at end of file
diff --git a/OpenSim/Tools/pCampBot/pCampBot.cs b/OpenSim/Tools/pCampBot/pCampBot.cs
index a69fbf0..4d3b06d 100644
--- a/OpenSim/Tools/pCampBot/pCampBot.cs
+++ b/OpenSim/Tools/pCampBot/pCampBot.cs
@@ -26,6 +26,8 @@
  */
 
 using System;
+using System.Reflection;
+using log4net;
 using Nini.Config;
 using OpenSim.Framework;
 using OpenSim.Framework.Console;
@@ -44,6 +46,8 @@ namespace pCampBot
 
     public class pCampBot
     {
+        private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
+
         [STAThread]
         public static void Main(string[] args)
         {
@@ -60,9 +64,17 @@ namespace pCampBot
 
                 //startup specified number of bots.  1 is the default
                 bm.dobotStartup(botcount, config);
+
                 while (true)
                 {
-                    MainConsole.Instance.Prompt();
+                    try
+                    {
+                        MainConsole.Instance.Prompt();
+                    }
+                    catch (Exception e)
+                    {
+                        m_log.ErrorFormat("Command error: {0}", e);
+                    }
                 }
             }
         }
@@ -72,12 +84,13 @@ namespace pCampBot
             //Set up our nifty config..  thanks to nini
             ArgvConfigSource cs = new ArgvConfigSource(args);
 
-            cs.AddSwitch("Startup", "botcount","n");
-            cs.AddSwitch("Startup", "loginuri","l");
+            cs.AddSwitch("Startup", "botcount", "n");
+            cs.AddSwitch("Startup", "loginuri", "l");
             cs.AddSwitch("Startup", "firstname");
             cs.AddSwitch("Startup", "lastname");
             cs.AddSwitch("Startup", "password");
-            cs.AddSwitch("Startup", "help","h");
+            cs.AddSwitch("Startup", "behaviours", "b");
+            cs.AddSwitch("Startup", "help", "h");
             cs.AddSwitch("Startup", "wear");
 
             IConfig ol = cs.Configs["Startup"];
@@ -98,6 +111,7 @@ namespace pCampBot
                                      "  -firstname         first name for the bots\n" +
                                      "  -lastname          lastname for the bots.  Each lastname will have _<bot-number> appended, e.g. Ima Bot_0\n" +
                                      "  -password          password for the bots\n" +
+                                     "  -b, behaviours     behaviours for bots.  Current options p (physics), g (grab).  Comma separated, e.g. p,g.  Default is p",
                                      "  -wear              set appearance folder to load from (default: no)\n" +
                                      "  -h, -help          show this message"
                                      );
diff --git a/bin/OpenSim.ini.example b/bin/OpenSim.ini.example
index 80f4c0e..e71fb05 100755
--- a/bin/OpenSim.ini.example
+++ b/bin/OpenSim.ini.example
@@ -339,9 +339,9 @@
     ;; Distance in meters that whispers should travel.
     ; whisper_distance = 10
 
-    ;# {say_distance} {} {Distance at which normal chat is heard, in meters? (SL uses 20 here)} {} 30
+    ;# {say_distance} {} {Distance at which normal chat is heard, in meters?} {} 20
     ;; Distance in meters that ordinary chat should travel.
-    ; say_distance = 30
+    ; say_distance = 20
 
     ;# {shout_distance} {Distance at which a shout is heard, in meters?} {} 100
     ;; Distance in meters that shouts should travel.
diff --git a/bin/OpenSimDefaults.ini b/bin/OpenSimDefaults.ini
index e9d8717..a02de72 100644
--- a/bin/OpenSimDefaults.ini
+++ b/bin/OpenSimDefaults.ini
@@ -563,8 +563,8 @@
     ; Distance in meters that whispers should travel.  Default is 10m
     whisper_distance = 10
 
-    ; Distance in meters that ordinary chat should travel.  Default is 30m
-    say_distance = 30
+    ; Distance in meters that ordinary chat should travel.  Default is 20m
+    say_distance = 20
 
     ; Distance in meters that shouts should travel.  Default is 100m
     shout_distance = 100
diff --git a/prebuild.xml b/prebuild.xml
index a6f11c4..ecc60fb 100644
--- a/prebuild.xml
+++ b/prebuild.xml
@@ -2519,6 +2519,7 @@
 
       <ReferencePath>../../../bin/</ReferencePath>
       <Reference name="System"/>
+      <Reference name="System.Core"/>
       <Reference name="OpenMetaverseTypes" path="../../../bin/"/>
       <Reference name="OpenMetaverse" path="../../../bin/"/>
       <Reference name="OpenSim.Framework"/>