7 files changed, 267 insertions, 195 deletions

diff --git a/OpenSim/Region/Communications/Local/LocalBackEndServices.cs b/OpenSim/Region/Communications/Local/LocalBackEndServices.cs
index f78c086..852dc8e 100644
--- a/OpenSim/Region/Communications/Local/LocalBackEndServices.cs
+++ b/OpenSim/Region/Communications/Local/LocalBackEndServices.cs
@@ -178,6 +178,14 @@ namespace OpenSim.Region.Communications.Local
             return false;
         }
 
+        public void TellRegionToCloseChildConnection(ulong regionHandle, LLUUID agentID)
+        {
+            if (m_regionListeners.ContainsKey(regionHandle))
+            {
+              // m_regionListeners[regionHandle].TriggerExpectAvatarCrossing(regionHandle, agentID, position, isFlying);
+            }
+        }
+
         public bool AcknowledgeAgentCrossed(ulong regionHandle, LLUUID agentId)
         {
             if (m_regionListeners.ContainsKey(regionHandle))
diff --git a/OpenSim/Region/Communications/OGS1/OGS1GridServices.cs b/OpenSim/Region/Communications/OGS1/OGS1GridServices.cs
index d9af95b..7ae95f1 100644
--- a/OpenSim/Region/Communications/OGS1/OGS1GridServices.cs
+++ b/OpenSim/Region/Communications/OGS1/OGS1GridServices.cs
@@ -472,6 +472,11 @@ namespace OpenSim.Region.Communications.OGS1
             }
         }
 
+        public void TellRegionToCloseChildConnection(ulong regionHandle, LLUUID agentID)
+        {
+
+        }
+
         public bool AcknowledgeAgentCrossed(ulong regionHandle, LLUUID agentId)
         {
             return m_localBackend.AcknowledgeAgentCrossed(regionHandle, agentId);
diff --git a/OpenSim/Region/Environment/Scenes/InnerScene.cs b/OpenSim/Region/Environment/Scenes/InnerScene.cs
index 3195991..f775e22 100644
--- a/OpenSim/Region/Environment/Scenes/InnerScene.cs
+++ b/OpenSim/Region/Environment/Scenes/InnerScene.cs
@@ -1,4 +1,4 @@
-using System;
+using System;
 using System.Collections.Generic;
 using System.Text;
 using libsecondlife;
@@ -12,6 +12,7 @@ namespace OpenSim.Region.Environment.Scenes
 {
     public class InnerScene
     {
+        #region Fields
         public Dictionary<LLUUID, ScenePresence> ScenePresences;
         public Dictionary<LLUUID, SceneObjectGroup> SceneObjects;
         public Dictionary<LLUUID, EntityBase> Entities;
@@ -19,11 +20,13 @@ namespace OpenSim.Region.Environment.Scenes
         public BasicQuadTreeNode QuadTree;
 
         protected RegionInfo m_regInfo;
-
         protected Scene m_parentScene;
-        public PhysicsScene PhyScene;
+        protected PermissionManager PermissionsMngr;
+
+        internal object m_syncRoot = new object();
 
-        private PermissionManager PermissionsMngr;
+        public PhysicsScene PhyScene;
+        #endregion
 
         public InnerScene(Scene parent, RegionInfo regInfo, PermissionManager permissionsMngr)
         {
@@ -42,6 +45,51 @@ namespace OpenSim.Region.Environment.Scenes
             Entities.Clear();
         }
 
+        #region Update Methods
+        internal void UpdatePreparePhysics()
+        {
+            // If we are using a threaded physics engine
+            // grab the latest scene from the engine before
+            // trying to process it.
+
+            // PhysX does this (runs in the background).
+
+            if (PhyScene.IsThreaded)
+            {
+                PhyScene.GetResults();
+            }
+        }
+
+        internal void UpdateEntities()
+        {
+            List<EntityBase> updateEntities = new List<EntityBase>(Entities.Values);
+
+            foreach (EntityBase entity in updateEntities)
+            {
+                entity.Update();
+            }
+        }
+
+        internal void UpdatePhysics(double elapsed)
+        {
+            lock (m_syncRoot)
+            {
+                PhyScene.Simulate((float)elapsed);
+            }
+        }
+
+        internal void UpdateEntityMovement()
+        {
+            List<EntityBase> moveEntities = new List<EntityBase>(Entities.Values);
+
+            foreach (EntityBase entity in moveEntities)
+            {
+                entity.UpdateMovement();
+            }
+        }
+        #endregion
+
+        #region Entity Methods
         public void AddEntityFromStorage(SceneObjectGroup sceneObject)
         {
             sceneObject.RegionHandle = m_regInfo.RegionHandle;
@@ -122,6 +170,9 @@ namespace OpenSim.Region.Environment.Scenes
 
             return newAvatar;
         }
+        #endregion
+
+        #region Get Methods
 
         /// <summary>
         /// Request a List of all m_scenePresences in this World
@@ -175,35 +226,6 @@ namespace OpenSim.Region.Environment.Scenes
             return null;
         }
 
-
-        public LLUUID ConvertLocalIDToFullID(uint localID)
-        {
-            bool hasPrim = false;
-            foreach (EntityBase ent in Entities.Values)
-            {
-                if (ent is SceneObjectGroup)
-                {
-                    hasPrim = ((SceneObjectGroup)ent).HasChildPrim(localID);
-                    if (hasPrim != false)
-                    {
-                        return ((SceneObjectGroup)ent).GetPartsFullID(localID);
-                    }
-                }
-            }
-            return LLUUID.Zero;
-        }
-
-        public void SendAllSceneObjectsToClient(ScenePresence presence)
-        {
-            foreach (EntityBase ent in Entities.Values)
-            {
-                if (ent is SceneObjectGroup)
-                {
-                    ((SceneObjectGroup)ent).ScheduleFullUpdateToAvatar(presence);
-                }
-            }
-        }
-
         public SceneObjectPart GetSceneObjectPart(uint localID)
         {
             bool hasPrim = false;
@@ -274,6 +296,37 @@ namespace OpenSim.Region.Environment.Scenes
             return false;
         }
 
+        #endregion
+
+        #region Other Methods
+
+        public LLUUID ConvertLocalIDToFullID(uint localID)
+        {
+            bool hasPrim = false;
+            foreach (EntityBase ent in Entities.Values)
+            {
+                if (ent is SceneObjectGroup)
+                {
+                    hasPrim = ((SceneObjectGroup)ent).HasChildPrim(localID);
+                    if (hasPrim != false)
+                    {
+                        return ((SceneObjectGroup)ent).GetPartsFullID(localID);
+                    }
+                }
+            }
+            return LLUUID.Zero;
+        }
+
+        public void SendAllSceneObjectsToClient(ScenePresence presence)
+        {
+            foreach (EntityBase ent in Entities.Values)
+            {
+                if (ent is SceneObjectGroup)
+                {
+                    ((SceneObjectGroup)ent).ScheduleFullUpdateToAvatar(presence);
+                }
+            }
+        }
 
         internal void ForEachClient(Action<IClientAPI> action)
         {
@@ -282,6 +335,7 @@ namespace OpenSim.Region.Environment.Scenes
                 action(presence.ControllingClient);
             }
         }
+        #endregion
 
         #region Client Event handlers
         /// <summary>
@@ -307,7 +361,6 @@ namespace OpenSim.Region.Environment.Scenes
             }
         }
 
-
         /// <summary>
         /// 
         /// </summary>
@@ -395,7 +448,6 @@ namespace OpenSim.Region.Environment.Scenes
             }
         }
 
-
         /// <summary>
         /// 
         /// </summary>
@@ -653,3 +705,4 @@ namespace OpenSim.Region.Environment.Scenes
         #endregion
     }
 }
+
diff --git a/OpenSim/Region/Environment/Scenes/Scene.cs b/OpenSim/Region/Environment/Scenes/Scene.cs
index 49d2268..8262478 100644
--- a/OpenSim/Region/Environment/Scenes/Scene.cs
+++ b/OpenSim/Region/Environment/Scenes/Scene.cs
@@ -75,6 +75,7 @@ namespace OpenSim.Region.Environment.Scenes
         public CommunicationsManager CommsManager;
         // protected XferManager xferManager;
         protected SceneCommunicationService m_sceneGridService;
+        protected SceneXmlLoader m_sceneXmlLoader;
 
         protected Dictionary<LLUUID, Caps> m_capsHandlers = new Dictionary<LLUUID, Caps>();
         protected BaseHttpServer httpListener;
@@ -140,6 +141,11 @@ namespace OpenSim.Region.Environment.Scenes
             get { return (m_innerScene.PhyScene); }
         }
 
+        public object SyncRoot
+        {
+            get { return m_innerScene.m_syncRoot; }
+        }
+
         public EstateManager EstateManager
         {
             get { return m_estateManager; }
@@ -207,7 +213,8 @@ namespace OpenSim.Region.Environment.Scenes
             m_eventManager = new EventManager();
             m_permissionManager = new PermissionManager(this);
 
-            m_innerScene = new InnerScene(this, regInfo, m_permissionManager);
+            m_innerScene = new InnerScene(this, m_regInfo, m_permissionManager);
+            m_sceneXmlLoader = new SceneXmlLoader(this, m_innerScene, m_regInfo);
 
             m_eventManager.OnParcelPrimCountAdd +=
                 m_LandManager.addPrimToLandPrimCounts;
@@ -292,18 +299,18 @@ namespace OpenSim.Region.Environment.Scenes
                     m_frame = 0;
 
                 if (m_frame%m_update_physics == 0)
-                    UpdatePreparePhysics();
+                    m_innerScene.UpdatePreparePhysics();
 
                 if (m_frame%m_update_entitymovement == 0)
-                    UpdateEntityMovement();
+                    m_innerScene.UpdateEntityMovement();
 
                 if (m_frame%m_update_physics == 0)
-                    UpdatePhysics(
+                    m_innerScene.UpdatePhysics(
                         Math.Max(SinceLastFrame.TotalSeconds, m_timespan)
                         );
 
                 if (m_frame%m_update_entities == 0)
-                    UpdateEntities();
+                    m_innerScene.UpdateEntities();
 
                 if (m_frame%m_update_events == 0)
                     UpdateEvents();
@@ -337,20 +344,6 @@ namespace OpenSim.Region.Environment.Scenes
             }
         }
 
-        private void UpdatePreparePhysics()
-        {
-            // If we are using a threaded physics engine
-            // grab the latest scene from the engine before
-            // trying to process it.
-
-            // PhysX does this (runs in the background).
-
-            if (phyScene.IsThreaded)
-            {
-                phyScene.GetResults();
-            }
-        }
-
         private void UpdateInWorldTime()
         {
             m_timeUpdateCount++;
@@ -388,7 +381,7 @@ namespace OpenSim.Region.Environment.Scenes
 
                 lock (Terrain.heightmap)
                 {
-                    lock (m_syncRoot)
+                    lock (SyncRoot)
                     {
                         phyScene.SetTerrain(Terrain.GetHeights1D());
                     }
@@ -427,34 +420,6 @@ namespace OpenSim.Region.Environment.Scenes
             m_eventManager.TriggerOnFrame();
         }
 
-        private void UpdateEntities()
-        {
-            List<EntityBase> updateEntities = new List<EntityBase>(Entities.Values);
-
-            foreach (EntityBase entity in updateEntities)
-            {
-                entity.Update();
-            }
-        }
-
-        private void UpdatePhysics(double elapsed)
-        {
-            lock (m_syncRoot)
-            {
-                phyScene.Simulate((float) elapsed);
-            }
-        }
-
-        private void UpdateEntityMovement()
-        {
-            List<EntityBase> moveEntities = new List<EntityBase>(Entities.Values);
-
-            foreach (EntityBase entity in moveEntities)
-            {
-                entity.UpdateMovement();
-            }
-        }
-
         /// <summary>
         /// Perform delegate action on all clients subscribing to updates from this region.
         /// </summary>
@@ -655,120 +620,22 @@ namespace OpenSim.Region.Environment.Scenes
 
         public void LoadPrimsFromXml(string fileName)
         {
-            XmlDocument doc = new XmlDocument();
-            XmlNode rootNode;
-            int primCount = 0;
-            if (fileName.StartsWith("http:") || File.Exists(fileName))
-            {
-                XmlTextReader reader = new XmlTextReader(fileName);
-                reader.WhitespaceHandling = WhitespaceHandling.None;
-                doc.Load(reader);
-                reader.Close();
-                rootNode = doc.FirstChild;
-                foreach (XmlNode aPrimNode in rootNode.ChildNodes)
-                {
-                    SceneObjectGroup obj = new SceneObjectGroup(this,
-                                                                m_regionHandle, aPrimNode.OuterXml);
-                    //if we want this to be a import method then we need new uuids for the object to avoid any clashes
-                    //obj.RegenerateFullIDs(); 
-                    AddEntity(obj);
-
-                    SceneObjectPart rootPart = obj.GetChildPart(obj.UUID);
-                    bool UsePhysics = ((rootPart.ObjectFlags & (uint)LLObject.ObjectFlags.Physics) > 0);
-                    if ((rootPart.ObjectFlags & (uint) LLObject.ObjectFlags.Phantom) == 0)
-                        rootPart.PhysActor = phyScene.AddPrimShape(
-                            rootPart.Name,
-                            rootPart.Shape,
-                            new PhysicsVector(rootPart.AbsolutePosition.X, rootPart.AbsolutePosition.Y,
-                                              rootPart.AbsolutePosition.Z),
-                            new PhysicsVector(rootPart.Scale.X, rootPart.Scale.Y, rootPart.Scale.Z),
-                            new Quaternion(rootPart.RotationOffset.W, rootPart.RotationOffset.X,
-                                           rootPart.RotationOffset.Y, rootPart.RotationOffset.Z), UsePhysics);
-                    primCount++;
-                }
-            }
-            else
-            {
-                throw new Exception("Could not open file " + fileName + " for reading");
-            }
+            m_sceneXmlLoader.LoadPrimsFromXml(fileName);
         }
 
         public void SavePrimsToXml(string fileName)
         {
-            FileStream file = new FileStream(fileName, FileMode.Create);
-            StreamWriter stream = new StreamWriter(file);
-            int primCount = 0;
-            stream.WriteLine("<scene>\n");
-            foreach (EntityBase ent in Entities.Values)
-            {
-                if (ent is SceneObjectGroup)
-                {
-                    stream.WriteLine(((SceneObjectGroup) ent).ToXmlString());
-                    primCount++;
-                }
-            }
-            stream.WriteLine("</scene>\n");
-            stream.Close();
-            file.Close();
+            m_sceneXmlLoader.SavePrimsToXml(fileName);
         }
 
         public void LoadPrimsFromXml2(string fileName)
         {
-            XmlDocument doc = new XmlDocument();
-            XmlNode rootNode;
-            if (fileName.StartsWith("http:") || File.Exists(fileName))
-            {
-                XmlTextReader reader = new XmlTextReader(fileName);
-                reader.WhitespaceHandling = WhitespaceHandling.None;
-                doc.Load(reader);
-                reader.Close();
-                rootNode = doc.FirstChild;
-                foreach (XmlNode aPrimNode in rootNode.ChildNodes)
-                {
-                    CreatePrimFromXml(aPrimNode.OuterXml);
-                }
-            }
-            else
-            {
-                throw new Exception("Could not open file " + fileName + " for reading");
-            }
-        }
-
-        public void CreatePrimFromXml(string xmlData)
-        {
-            SceneObjectGroup obj = new SceneObjectGroup(xmlData);
-            AddEntityFromStorage(obj);
-
-            SceneObjectPart rootPart = obj.GetChildPart(obj.UUID);
-            bool UsePhysics = ((rootPart.ObjectFlags & (uint)LLObject.ObjectFlags.Physics) > 0);
-            if ((rootPart.ObjectFlags & (uint) LLObject.ObjectFlags.Phantom) == 0)
-                rootPart.PhysActor = phyScene.AddPrimShape(
-                    rootPart.Name,
-                    rootPart.Shape,
-                    new PhysicsVector(rootPart.AbsolutePosition.X, rootPart.AbsolutePosition.Y,
-                                      rootPart.AbsolutePosition.Z),
-                    new PhysicsVector(rootPart.Scale.X, rootPart.Scale.Y, rootPart.Scale.Z),
-                    new Quaternion(rootPart.RotationOffset.W, rootPart.RotationOffset.X,
-                                   rootPart.RotationOffset.Y, rootPart.RotationOffset.Z), UsePhysics);
+            m_sceneXmlLoader.LoadPrimsFromXml2(fileName);
         }
 
         public void SavePrimsToXml2(string fileName)
         {
-            FileStream file = new FileStream(fileName, FileMode.Create);
-            StreamWriter stream = new StreamWriter(file);
-            int primCount = 0;
-            stream.WriteLine("<scene>\n");
-            foreach (EntityBase ent in Entities.Values)
-            {
-                if (ent is SceneObjectGroup)
-                {
-                    stream.WriteLine(((SceneObjectGroup) ent).ToXmlString2());
-                    primCount++;
-                }
-            }
-            stream.WriteLine("</scene>\n");
-            stream.Close();
-            file.Close();
+            m_sceneXmlLoader.SavePrimsToXml2(fileName);
         }
 
         #endregion
diff --git a/OpenSim/Region/Environment/Scenes/SceneBase.cs b/OpenSim/Region/Environment/Scenes/SceneBase.cs
index b0ec352..ace1788 100644
--- a/OpenSim/Region/Environment/Scenes/SceneBase.cs
+++ b/OpenSim/Region/Environment/Scenes/SceneBase.cs
@@ -45,7 +45,6 @@ namespace OpenSim.Region.Environment.Scenes
             get { return m_clientManager; }
         }
 
-      //  public Dictionary<LLUUID, EntityBase> Entities;
         protected ulong m_regionHandle;
         protected string m_regionName;
         protected RegionInfo m_regInfo;
@@ -66,7 +65,6 @@ namespace OpenSim.Region.Environment.Scenes
 
         protected string m_datastore;
 
-        protected object m_syncRoot = new object();
         private uint m_nextLocalId = 8880000;
         private AssetCache m_assetCache;
 
@@ -132,11 +130,6 @@ namespace OpenSim.Region.Environment.Scenes
             get { return m_regInfo; }
         }
 
-        public object SyncRoot
-        {
-            get { return m_syncRoot; }
-        }
-
         public uint NextLocalId
         {
             get { return m_nextLocalId++; }
diff --git a/OpenSim/Region/Environment/Scenes/SceneCommunicationService.cs b/OpenSim/Region/Environment/Scenes/SceneCommunicationService.cs
index e67d413..fe8414d 100644
--- a/OpenSim/Region/Environment/Scenes/SceneCommunicationService.cs
+++ b/OpenSim/Region/Environment/Scenes/SceneCommunicationService.cs
@@ -1,4 +1,4 @@
-using System;
+using System;
 using System.Collections.Generic;
 using System.Net;
 using System.Text;
@@ -204,9 +204,10 @@ namespace OpenSim.Region.Environment.Scenes
             return m_commsProvider.InterRegion.ExpectAvatarCrossing(regionhandle, agentID, position, isFlying);
         }
 
-        public void CloseAgentConnection(ScenePresence presence)
+        public void CloseChildAgentConnections(ScenePresence presence)
         {
-            throw new Exception("The method or operation is not implemented.");
+
         }
     }
 }
+
diff --git a/OpenSim/Region/Environment/Scenes/SceneXmlLoader.cs b/OpenSim/Region/Environment/Scenes/SceneXmlLoader.cs
new file mode 100644
index 0000000..1176e13
--- /dev/null
+++ b/OpenSim/Region/Environment/Scenes/SceneXmlLoader.cs
@@ -0,0 +1,145 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+using System.Xml;
+using System.IO;
+using libsecondlife;
+using Axiom.Math;
+using OpenSim.Framework;
+using OpenSim.Region.Physics.Manager;
+
+namespace OpenSim.Region.Environment.Scenes
+{
+    public class SceneXmlLoader  //Most likely can move to a module
+    {
+        protected InnerScene m_innerScene;
+        protected RegionInfo m_regInfo;
+        protected Scene m_parentScene;
+
+        public SceneXmlLoader(Scene parentScene, InnerScene innerScene, RegionInfo regionInfo)
+        {
+            m_parentScene = parentScene;
+            m_innerScene = innerScene;
+            m_regInfo = regionInfo;
+        }
+
+        public void LoadPrimsFromXml(string fileName)
+        {
+            XmlDocument doc = new XmlDocument();
+            XmlNode rootNode;
+            int primCount = 0;
+            if (fileName.StartsWith("http:") || File.Exists(fileName))
+            {
+                XmlTextReader reader = new XmlTextReader(fileName);
+                reader.WhitespaceHandling = WhitespaceHandling.None;
+                doc.Load(reader);
+                reader.Close();
+                rootNode = doc.FirstChild;
+                foreach (XmlNode aPrimNode in rootNode.ChildNodes)
+                {
+                    SceneObjectGroup obj = new SceneObjectGroup(m_parentScene,
+                                                                m_regInfo.RegionHandle, aPrimNode.OuterXml);
+                    //if we want this to be a import method then we need new uuids for the object to avoid any clashes
+                    //obj.RegenerateFullIDs(); 
+                    m_innerScene.AddEntity(obj);
+
+                    SceneObjectPart rootPart = obj.GetChildPart(obj.UUID);
+                    bool UsePhysics = ((rootPart.ObjectFlags & (uint)LLObject.ObjectFlags.Physics) > 0);
+                    if ((rootPart.ObjectFlags & (uint)LLObject.ObjectFlags.Phantom) == 0)
+                        rootPart.PhysActor = m_innerScene.PhyScene.AddPrimShape(
+                            rootPart.Name,
+                            rootPart.Shape,
+                            new PhysicsVector(rootPart.AbsolutePosition.X, rootPart.AbsolutePosition.Y,
+                                              rootPart.AbsolutePosition.Z),
+                            new PhysicsVector(rootPart.Scale.X, rootPart.Scale.Y, rootPart.Scale.Z),
+                            new Quaternion(rootPart.RotationOffset.W, rootPart.RotationOffset.X,
+                                           rootPart.RotationOffset.Y, rootPart.RotationOffset.Z), UsePhysics);
+                    primCount++;
+                }
+            }
+            else
+            {
+                throw new Exception("Could not open file " + fileName + " for reading");
+            }
+        }
+
+        public void SavePrimsToXml(string fileName)
+        {
+            FileStream file = new FileStream(fileName, FileMode.Create);
+            StreamWriter stream = new StreamWriter(file);
+            int primCount = 0;
+            stream.WriteLine("<scene>\n");
+            foreach (EntityBase ent in m_innerScene.Entities.Values)
+            {
+                if (ent is SceneObjectGroup)
+                {
+                    stream.WriteLine(((SceneObjectGroup)ent).ToXmlString());
+                    primCount++;
+                }
+            }
+            stream.WriteLine("</scene>\n");
+            stream.Close();
+            file.Close();
+        }
+
+        public void LoadPrimsFromXml2(string fileName)
+        {
+            XmlDocument doc = new XmlDocument();
+            XmlNode rootNode;
+            if (fileName.StartsWith("http:") || File.Exists(fileName))
+            {
+                XmlTextReader reader = new XmlTextReader(fileName);
+                reader.WhitespaceHandling = WhitespaceHandling.None;
+                doc.Load(reader);
+                reader.Close();
+                rootNode = doc.FirstChild;
+                foreach (XmlNode aPrimNode in rootNode.ChildNodes)
+                {
+                    CreatePrimFromXml(aPrimNode.OuterXml);
+                }
+            }
+            else
+            {
+                throw new Exception("Could not open file " + fileName + " for reading");
+            }
+        }
+
+        public void CreatePrimFromXml(string xmlData)
+        {
+            SceneObjectGroup obj = new SceneObjectGroup(xmlData);
+            m_innerScene.AddEntityFromStorage(obj);
+
+            SceneObjectPart rootPart = obj.GetChildPart(obj.UUID);
+            bool UsePhysics = ((rootPart.ObjectFlags & (uint)LLObject.ObjectFlags.Physics) > 0);
+            if ((rootPart.ObjectFlags & (uint)LLObject.ObjectFlags.Phantom) == 0)
+                rootPart.PhysActor = m_innerScene.PhyScene.AddPrimShape(
+                    rootPart.Name,
+                    rootPart.Shape,
+                    new PhysicsVector(rootPart.AbsolutePosition.X, rootPart.AbsolutePosition.Y,
+                                      rootPart.AbsolutePosition.Z),
+                    new PhysicsVector(rootPart.Scale.X, rootPart.Scale.Y, rootPart.Scale.Z),
+                    new Quaternion(rootPart.RotationOffset.W, rootPart.RotationOffset.X,
+                                   rootPart.RotationOffset.Y, rootPart.RotationOffset.Z), UsePhysics);
+        }
+
+        public void SavePrimsToXml2(string fileName)
+        {
+            FileStream file = new FileStream(fileName, FileMode.Create);
+            StreamWriter stream = new StreamWriter(file);
+            int primCount = 0;
+            stream.WriteLine("<scene>\n");
+            foreach (EntityBase ent in m_innerScene.Entities.Values)
+            {
+                if (ent is SceneObjectGroup)
+                {
+                    stream.WriteLine(((SceneObjectGroup)ent).ToXmlString2());
+                    primCount++;
+                }
+            }
+            stream.WriteLine("</scene>\n");
+            stream.Close();
+            file.Close();
+        }
+
+    }
+}