Added EventManager.OnRegionStarted which is triggered when Heartbeat is started.

OpenSim/Region/Framework/Scenes/EventManager.cs

@@ -401,6 +401,9 @@ namespace OpenSim.Region.Framework.Scenes
         public delegate void RegionUp(GridRegion region);
         public event RegionUp OnRegionUp;
 
+        public delegate void RegionStarted(Scene scene);
+        public event RegionStarted OnRegionStarted;
+
         public delegate void LoginsEnabled(string regionName);
         public event LoginsEnabled OnLoginsEnabled;
 
@@ -2243,6 +2246,27 @@ namespace OpenSim.Region.Framework.Scenes
             }
         }
 
+        public void TriggerOnRegionStarted(Scene scene)
+        {
+            RegionStarted handler = OnRegionStarted;
+
+            if (handler != null)
+            {
+                foreach (RegionStarted d in handler.GetInvocationList())
+                {
+                    try
+                    {
+                        d(scene);
+                    }
+                    catch (Exception e)
+                    {
+                        m_log.ErrorFormat("[EVENT MANAGER]: Delegate for RegionStarted failed - continuing {0} - {1}",
+                            e.Message, e.StackTrace);
+                    }
+                }
+            }
+        }
+
         public void TriggerLoginsEnabled (string regionName)
         {
             LoginsEnabled handler = OnLoginsEnabled;

OpenSim/Region/Framework/Scenes/Scene.cs

@@ -1194,6 +1194,7 @@ namespace OpenSim.Region.Framework.Scenes
 
             try
             {
+                m_eventManager.TriggerOnRegionStarted(this);
                 while (!shuttingdown)
                     Update();