Next step in the presence module - some core plumbing included at

no extra cost

OpenSim/Region/Environment/Modules/Avatar/InstantMessage/PresenceModule.cs

@@ -75,7 +75,12 @@ namespace OpenSim.Region.Environment.Modules.Avatar.InstantMessage
 
                 if (m_Gridmode)
                     NotifyMessageServerOfStartup(scene);
+
                 scene.RegisterModuleInterface<IPresenceModule>(this);
+
+                scene.EventManager.OnNewClient += OnNewClient;
+                scene.EventManager.OnSetRootAgentScene += OnSetRootAgentScene;
+
                 m_Scenes.Add(scene);
             }
         }
@@ -107,6 +112,19 @@ namespace OpenSim.Region.Environment.Modules.Avatar.InstantMessage
         {
         }
 
+        public void OnNewClient(IClientAPI client)
+        {
+            client.OnConnectionClosed += OnConnectionClosed;
+        }
+
+        public void OnConnectionClosed(IClientAPI client)
+        {
+        }
+
+        public void OnSetRootAgentScene(UUID agentID)
+        {
+        }
+
         private void NotifyMessageServerOfStartup(Scene scene)
         {
             Hashtable xmlrpcdata = new Hashtable();

OpenSim/Region/Environment/Scenes/EventManager.cs

@@ -98,6 +98,10 @@ namespace OpenSim.Region.Environment.Scenes
 
         public delegate void OnPermissionErrorDelegate(UUID user, string reason);
 
+        public delegate void OnSetRootAgentSceneDelegate(UUID agentID);
+
+        public event OnSetRootAgentSceneDelegate OnSetRootAgentScene;
+
         public event ObjectGrabDelegate OnObjectGrab;
         public event ObjectDeGrabDelegate OnObjectDeGrab;
         public event ScriptResetDelegate OnScriptReset;
@@ -389,6 +393,8 @@ namespace OpenSim.Region.Environment.Scenes
         private GetScriptRunning handlerGetScriptRunning = null;
 
         private SunLindenHour handlerSunGetLindenHour = null;
+        private OnSetRootAgentSceneDelegate handlerSetRootAgentScene = null;
+
 
         public void TriggerGetScriptRunning(IClientAPI controllingClient, UUID objectID, UUID itemID)
         {
@@ -912,5 +918,12 @@ namespace OpenSim.Region.Environment.Scenes
             if (handlerCollidingEnd != null)
                 handlerCollidingEnd(localId, colliders);
         }
+
+        public void TriggerSetRootAgentScene(UUID agentID)
+        {
+            handlerSetRootAgentScene = OnSetRootAgentScene;
+            if (handlerSetRootAgentScene != null)
+                handlerSetRootAgentScene(agentID);
+        }
     }
 }

OpenSim/Region/Environment/Scenes/Scene.cs

@@ -4214,6 +4214,8 @@ namespace OpenSim.Region.Environment.Scenes
                 return;
 
             inv.SetRootAgentScene(agentID, this);
+
+            EventManager.TriggerSetRootAgentScene(agentID);
         }
 
         public bool NeedSceneCacheClear(UUID agentID)