2 files changed, 30 insertions, 10 deletions

diff --git a/OpenSim/Region/Framework/Scenes/Scene.cs b/OpenSim/Region/Framework/Scenes/Scene.cs
index 6ca7ef2..f229e33 100644
--- a/OpenSim/Region/Framework/Scenes/Scene.cs
+++ b/OpenSim/Region/Framework/Scenes/Scene.cs
@@ -352,7 +352,7 @@ namespace OpenSim.Region.Framework.Scenes
         private readonly Timer m_restartTimer = new Timer(15000); // Wait before firing
         private volatile bool m_backingup;
         private Dictionary<UUID, ReturnInfo> m_returns = new Dictionary<UUID, ReturnInfo>();
-        private Dictionary<UUID, SceneObjectGroup> m_groupsWithTargets = new Dictionary<UUID, SceneObjectGroup>();
+        private Dictionary<UUID, int> m_groupsWithTargets = new Dictionary<UUID, int>();
 
         private string m_defaultScriptEngine;
 
@@ -1723,7 +1723,7 @@ namespace OpenSim.Region.Framework.Scenes
         public void AddGroupTarget(SceneObjectGroup grp)
         {
             lock (m_groupsWithTargets)
-                m_groupsWithTargets[grp.UUID] = grp;
+                m_groupsWithTargets[grp.UUID] = 0;
         }
 
         public void RemoveGroupTarget(SceneObjectGroup grp)
@@ -1734,18 +1734,24 @@ namespace OpenSim.Region.Framework.Scenes
 
         private void CheckAtTargets()
         {
-            List<SceneObjectGroup> objs = null;
+            List<UUID> objs = null;
 
             lock (m_groupsWithTargets)
             {
                 if (m_groupsWithTargets.Count != 0)
-                    objs = new List<SceneObjectGroup>(m_groupsWithTargets.Values);
+                    objs = new List<UUID>(m_groupsWithTargets.Keys);
             }
 
             if (objs != null)
             {
-                foreach (SceneObjectGroup entry in objs)
-                    entry.checkAtTargets();
+                foreach (UUID entry in objs)
+                {
+                    SceneObjectGroup grp = GetSceneObjectGroup(entry);
+                    if (grp == null)
+                        m_groupsWithTargets.Remove(entry);
+                    else
+                        grp.checkAtTargets();
+                }
             }
         }
 
diff --git a/OpenSim/Region/Framework/Scenes/SceneObjectGroup.cs b/OpenSim/Region/Framework/Scenes/SceneObjectGroup.cs
index 9c6a94b..0f5d116 100644
--- a/OpenSim/Region/Framework/Scenes/SceneObjectGroup.cs
+++ b/OpenSim/Region/Framework/Scenes/SceneObjectGroup.cs
@@ -79,14 +79,14 @@ namespace OpenSim.Region.Framework.Scenes
         object_rez = 4194304
     }
 
-    struct scriptPosTarget
+    public struct scriptPosTarget
     {
         public Vector3 targetPos;
         public float tolerance;
         public uint handle;
     }
 
-    struct scriptRotTarget
+    public struct scriptRotTarget
     {
         public Quaternion targetRot;
         public float tolerance;
@@ -329,8 +329,18 @@ namespace OpenSim.Region.Framework.Scenes
         protected SceneObjectPart m_rootPart;
         // private Dictionary<UUID, scriptEvents> m_scriptEvents = new Dictionary<UUID, scriptEvents>();
 
-        private Dictionary<uint, scriptPosTarget> m_targets = new Dictionary<uint, scriptPosTarget>();
-        private Dictionary<uint, scriptRotTarget> m_rotTargets = new Dictionary<uint, scriptRotTarget>();
+        private SortedDictionary<uint, scriptPosTarget> m_targets = new SortedDictionary<uint, scriptPosTarget>();
+        private SortedDictionary<uint, scriptRotTarget> m_rotTargets = new SortedDictionary<uint, scriptRotTarget>();
+
+        public SortedDictionary<uint, scriptPosTarget> AtTargets
+        {
+            get { return m_targets; }
+        }
+
+        public SortedDictionary<uint, scriptRotTarget> RotTargets
+        {
+            get { return m_rotTargets; }
+        }
 
         private bool m_scriptListens_atTarget;
         private bool m_scriptListens_notAtTarget;
@@ -4141,6 +4151,8 @@ namespace OpenSim.Region.Framework.Scenes
             waypoint.handle = handle;
             lock (m_rotTargets)
             {
+                if (m_rotTargets.Count >= 8)
+                    m_rotTargets.Remove(m_rotTargets.ElementAt(0).Key);
                 m_rotTargets.Add(handle, waypoint);
             }
             m_scene.AddGroupTarget(this);
@@ -4166,6 +4178,8 @@ namespace OpenSim.Region.Framework.Scenes
             waypoint.handle = handle;
             lock (m_targets)
             {
+                if (m_targets.Count >= 8)
+                    m_targets.Remove(m_targets.ElementAt(0).Key);
                 m_targets.Add(handle, waypoint);
             }
             m_scene.AddGroupTarget(this);