From 491b8181ad4fcb0a8002ee2406703b89c4928219 Mon Sep 17 00:00:00 2001
From: Justin Clark-Casey (justincc)
Date: Mon, 26 Jul 2010 20:13:26 +0100
Subject: Add EventManager.OnSceneObjectLoaded() for future use.  This is fired
 immediately after a scene object is loaded from storage.

---
 .../CoreModules/World/Media/Moap/MoapModule.cs     | 19 +++++++++----
 OpenSim/Region/Framework/Scenes/EventManager.cs    | 32 ++++++++++++++++++++--
 OpenSim/Region/Framework/Scenes/Scene.cs           |  4 ++-
 3 files changed, 46 insertions(+), 9 deletions(-)

(limited to 'OpenSim')

diff --git a/OpenSim/Region/CoreModules/World/Media/Moap/MoapModule.cs b/OpenSim/Region/CoreModules/World/Media/Moap/MoapModule.cs
index 0130ff9..2771492 100644
--- a/OpenSim/Region/CoreModules/World/Media/Moap/MoapModule.cs
+++ b/OpenSim/Region/CoreModules/World/Media/Moap/MoapModule.cs
@@ -98,17 +98,19 @@ namespace OpenSim.Region.CoreModules.Media.Moap
 
         public void RegionLoaded(Scene scene) 
         {
-            m_scene.EventManager.OnRegisterCaps += RegisterCaps;
-            m_scene.EventManager.OnDeregisterCaps += DeregisterCaps;
+            m_scene.EventManager.OnRegisterCaps += OnRegisterCaps;
+            m_scene.EventManager.OnDeregisterCaps += OnDeregisterCaps;
+            m_scene.EventManager.OnSceneObjectLoaded += OnSceneObjectLoaded;
         }
         
         public void Close() 
         {
-            m_scene.EventManager.OnRegisterCaps -= RegisterCaps;
-            m_scene.EventManager.OnDeregisterCaps -= DeregisterCaps;
+            m_scene.EventManager.OnRegisterCaps -= OnRegisterCaps;
+            m_scene.EventManager.OnDeregisterCaps -= OnDeregisterCaps;
+            m_scene.EventManager.OnSceneObjectLoaded -= OnSceneObjectLoaded;
         }        
         
-        public void RegisterCaps(UUID agentID, Caps caps)
+        public void OnRegisterCaps(UUID agentID, Caps caps)
         {
             m_log.DebugFormat(
                 "[MOAP]: Registering ObjectMedia and ObjectMediaNavigate capabilities for agent {0}", agentID);
@@ -138,7 +140,7 @@ namespace OpenSim.Region.CoreModules.Media.Moap
             }
         }  
         
-        public void DeregisterCaps(UUID agentID, Caps caps)
+        public void OnDeregisterCaps(UUID agentID, Caps caps)
         {
             lock (m_omCapUsers)
             {
@@ -155,6 +157,11 @@ namespace OpenSim.Region.CoreModules.Media.Moap
             }
         }
         
+        public void OnSceneObjectLoaded(SceneObjectGroup sog)
+        {
+            m_log.DebugFormat("[MOAP]: OnSceneObjectLoaded fired for {0} {1}", sog.Name, sog.UUID);
+        }
+        
         public MediaEntry GetMediaEntry(SceneObjectPart part, int face)
         {
             MediaEntry me = null;
diff --git a/OpenSim/Region/Framework/Scenes/EventManager.cs b/OpenSim/Region/Framework/Scenes/EventManager.cs
index ef125cd..46e17c5 100644
--- a/OpenSim/Region/Framework/Scenes/EventManager.cs
+++ b/OpenSim/Region/Framework/Scenes/EventManager.cs
@@ -331,9 +331,16 @@ namespace OpenSim.Region.Framework.Scenes
         /// the avatarID is UUID.Zero (I know, this doesn't make much sense but now it's historical).
         public delegate void Attach(uint localID, UUID itemID, UUID avatarID);
         public event Attach OnAttach;
+        
+        public delegate void SceneObjectDelegate(SceneObjectGroup so);
+        
+        /// <summary>
+        /// Called immediately after an object is loaded from storage.
+        /// </summary>
+        public event SceneObjectDelegate OnSceneObjectLoaded;
 
         public delegate void RegionUp(GridRegion region);
-        public event RegionUp OnRegionUp;
+        public event RegionUp OnRegionUp;       
 
         public class MoneyTransferArgs : EventArgs
         {
@@ -2013,5 +2020,26 @@ namespace OpenSim.Region.Framework.Scenes
                 }
             }
         }
+        
+        public void TriggerOnSceneObjectLoaded(SceneObjectGroup so)
+        {
+            SceneObjectDelegate handler = OnSceneObjectLoaded;
+            if (handler != null)
+            {
+                foreach (SceneObjectDelegate d in handler.GetInvocationList())
+                {
+                    try
+                    {
+                        d(so);
+                    }
+                    catch (Exception e)
+                    {
+                        m_log.ErrorFormat(
+                            "[EVENT MANAGER]: Delegate for TriggerOnSceneObjectLoaded failed - continuing.  {0} {1}", 
+                            e.Message, e.StackTrace);
+                    }
+                }
+            }
+        }        
     }
-}
+}
\ No newline at end of file
diff --git a/OpenSim/Region/Framework/Scenes/Scene.cs b/OpenSim/Region/Framework/Scenes/Scene.cs
index e2ab643..5542a0c 100644
--- a/OpenSim/Region/Framework/Scenes/Scene.cs
+++ b/OpenSim/Region/Framework/Scenes/Scene.cs
@@ -1887,9 +1887,11 @@ namespace OpenSim.Region.Framework.Scenes
 
             foreach (SceneObjectGroup group in PrimsFromDB)
             {
+                EventManager.TriggerOnSceneObjectLoaded(group);
+                
                 if (group.RootPart == null)
                 {
-                    m_log.ErrorFormat("[SCENE] Found a SceneObjectGroup with m_rootPart == null and {0} children",
+                    m_log.ErrorFormat("[SCENE]: Found a SceneObjectGroup with m_rootPart == null and {0} children",
                                       group.Children == null ? 0 : group.Children.Count);
                 }
 
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