Merge branch 'master' into careminster-presence-refactor

This was rather conflicted. Please test linking.

21 files changed, 1275 insertions, 604 deletions

diff --git a/OpenSim/Region/CoreModules/Avatar/Attachments/AttachmentsModule.cs b/OpenSim/Region/CoreModules/Avatar/Attachments/AttachmentsModule.cs
index c802490..74784ae 100644
--- a/OpenSim/Region/CoreModules/Avatar/Attachments/AttachmentsModule.cs
+++ b/OpenSim/Region/CoreModules/Avatar/Attachments/AttachmentsModule.cs
@@ -427,7 +427,7 @@ namespace OpenSim.Region.CoreModules.Avatar.Attachments
             if (m_scene.TryGetScenePresence(remoteClient.AgentId, out presence))
             {
                 if (!m_scene.Permissions.CanRezObject(
-                        part.ParentGroup.Children.Count, remoteClient.AgentId, presence.AbsolutePosition))
+                    part.ParentGroup.PrimCount, remoteClient.AgentId, presence.AbsolutePosition))
                     return;
 
                 presence.Appearance.DetachAttachment(itemID);
diff --git a/OpenSim/Region/CoreModules/Framework/InventoryAccess/InventoryAccessModule.cs b/OpenSim/Region/CoreModules/Framework/InventoryAccess/InventoryAccessModule.cs
index cc12df0..2a36362 100644
--- a/OpenSim/Region/CoreModules/Framework/InventoryAccess/InventoryAccessModule.cs
+++ b/OpenSim/Region/CoreModules/Framework/InventoryAccess/InventoryAccessModule.cs
@@ -549,7 +549,7 @@ namespace OpenSim.Region.CoreModules.Framework.InventoryAccess
                     }
 
                     if (!m_Scene.Permissions.CanRezObject(
-                        group.Children.Count, remoteClient.AgentId, pos)
+                        group.PrimCount, remoteClient.AgentId, pos)
                         && !attachment)
                     {
                         // The client operates in no fail mode. It will
@@ -629,7 +629,9 @@ namespace OpenSim.Region.CoreModules.Framework.InventoryAccess
                     rootPart.Name = item.Name;
                     rootPart.Description = item.Description;
 
-                    List<SceneObjectPart> partList = new List<SceneObjectPart>(group.Children.Values);
+                    List<SceneObjectPart> partList = null;                    
+                    lock (group.Children)
+                        partList = new List<SceneObjectPart>(group.Children.Values);
 
                     group.SetGroup(remoteClient.ActiveGroupId, remoteClient);
                     if ((rootPart.OwnerID != item.Owner) || (item.CurrentPermissions & 16) != 0)
diff --git a/OpenSim/Region/CoreModules/World/Archiver/ArchiveReadRequest.cs b/OpenSim/Region/CoreModules/World/Archiver/ArchiveReadRequest.cs
index 57b7672..a402f4f 100644
--- a/OpenSim/Region/CoreModules/World/Archiver/ArchiveReadRequest.cs
+++ b/OpenSim/Region/CoreModules/World/Archiver/ArchiveReadRequest.cs
@@ -243,29 +243,29 @@ namespace OpenSim.Region.CoreModules.World.Archiver
                 // to the same scene (when this is possible).
                 sceneObject.ResetIDs();
 
-                foreach (SceneObjectPart part in sceneObject.Children.Values)
+                lock (sceneObject.Children)
                 {
-                    if (!ResolveUserUuid(part.CreatorID))
-                        part.CreatorID = m_scene.RegionInfo.EstateSettings.EstateOwner;
-
-                    if (!ResolveUserUuid(part.OwnerID))
-                        part.OwnerID = m_scene.RegionInfo.EstateSettings.EstateOwner;
-
-                    if (!ResolveUserUuid(part.LastOwnerID))
-                        part.LastOwnerID = m_scene.RegionInfo.EstateSettings.EstateOwner;
-
-                    // And zap any troublesome sit target information
-                    part.SitTargetOrientation = new Quaternion(0, 0, 0, 1);
-                    part.SitTargetPosition    = new Vector3(0, 0, 0);
-
-                    // Fix ownership/creator of inventory items
-                    // Not doing so results in inventory items
-                    // being no copy/no mod for everyone
-                    part.TaskInventory.LockItemsForRead(true);
-                    TaskInventoryDictionary inv = part.TaskInventory;
-                    foreach (KeyValuePair<UUID, TaskInventoryItem> kvp in inv)
+                    foreach (SceneObjectPart part in sceneObject.Children.Values)
                     {
-                        if (!ResolveUserUuid(kvp.Value.OwnerID))
+                        if (!ResolveUserUuid(part.CreatorID))
+                            part.CreatorID = m_scene.RegionInfo.EstateSettings.EstateOwner;
+    
+                        if (!ResolveUserUuid(part.OwnerID))
+                            part.OwnerID = m_scene.RegionInfo.EstateSettings.EstateOwner;
+    
+                        if (!ResolveUserUuid(part.LastOwnerID))
+                            part.LastOwnerID = m_scene.RegionInfo.EstateSettings.EstateOwner;
+    
+                        // And zap any troublesome sit target information
+                        part.SitTargetOrientation = new Quaternion(0, 0, 0, 1);
+                        part.SitTargetPosition    = new Vector3(0, 0, 0);
+    
+                        // Fix ownership/creator of inventory items
+                        // Not doing so results in inventory items
+                        // being no copy/no mod for everyone
+                        part.TaskInventory.LockItemsForRead(true);
+                        TaskInventoryDictionary inv = part.TaskInventory;
+                        foreach (KeyValuePair<UUID, TaskInventoryItem> kvp in inv)
                         {
                             if (!ResolveUserUuid(kvp.Value.OwnerID))
                             {
@@ -276,8 +276,8 @@ namespace OpenSim.Region.CoreModules.World.Archiver
                                 kvp.Value.CreatorID = m_scene.RegionInfo.EstateSettings.EstateOwner;
                             }
                         }
+                        part.TaskInventory.LockItemsForRead(false);
                     }
-                    part.TaskInventory.LockItemsForRead(false);
                 }
 
                 if (m_scene.AddRestoredSceneObject(sceneObject, true, false))
diff --git a/OpenSim/Region/CoreModules/World/Objects/BuySell/BuySellModule.cs b/OpenSim/Region/CoreModules/World/Objects/BuySell/BuySellModule.cs
index 62abd4c..8ce6daf 100644
--- a/OpenSim/Region/CoreModules/World/Objects/BuySell/BuySellModule.cs
+++ b/OpenSim/Region/CoreModules/World/Objects/BuySell/BuySellModule.cs
@@ -128,7 +128,10 @@ namespace OpenSim.Region.CoreModules.World.Objects.BuySell
                 group.SetOwnerId(remoteClient.AgentId);
                 group.SetRootPartOwner(part, remoteClient.AgentId, remoteClient.ActiveGroupId);
 
-                List<SceneObjectPart> partList = new List<SceneObjectPart>(group.Children.Values);
+                List<SceneObjectPart> partList = null;
+                
+                lock (group.Children)
+                    partList = new List<SceneObjectPart>(group.Children.Values);
 
                 if (m_scene.Permissions.PropagatePermissions())
                 {
diff --git a/OpenSim/Region/CoreModules/World/WorldMap/MapImageModule.cs b/OpenSim/Region/CoreModules/World/WorldMap/MapImageModule.cs
index b96d95a..2f70c0a 100644
--- a/OpenSim/Region/CoreModules/World/WorldMap/MapImageModule.cs
+++ b/OpenSim/Region/CoreModules/World/WorldMap/MapImageModule.cs
@@ -227,277 +227,281 @@ namespace OpenSim.Region.CoreModules.World.WorldMap
                     {
                         SceneObjectGroup mapdot = (SceneObjectGroup)obj;
                         Color mapdotspot = Color.Gray; // Default color when prim color is white
+                        
                         // Loop over prim in group
-                        foreach (SceneObjectPart part in mapdot.Children.Values)
+                        lock (mapdot.Children)
                         {
-                            if (part == null)
-                                continue;
-
-                            // Draw if the object is at least 1 meter wide in any direction
-                            if (part.Scale.X > 1f || part.Scale.Y > 1f || part.Scale.Z > 1f)
+                            foreach (SceneObjectPart part in mapdot.Children.Values)
                             {
-                                // Try to get the RGBA of the default texture entry..
-                                //
-                                try
+                                if (part == null)
+                                    continue;
+    
+                                // Draw if the object is at least 1 meter wide in any direction
+                                if (part.Scale.X > 1f || part.Scale.Y > 1f || part.Scale.Z > 1f)
                                 {
-                                    // get the null checks out of the way
-                                    // skip the ones that break
-                                    if (part == null)
-                                        continue;
-
-                                    if (part.Shape == null)
-                                        continue;
-
-                                    if (part.Shape.PCode == (byte)PCode.Tree || part.Shape.PCode == (byte)PCode.NewTree || part.Shape.PCode == (byte)PCode.Grass)
-                                        continue; // eliminates trees from this since we don't really have a good tree representation
-                                    // if you want tree blocks on the map comment the above line and uncomment the below line
-                                    //mapdotspot = Color.PaleGreen;
-
-                                    Primitive.TextureEntry textureEntry = part.Shape.Textures;
-
-                                    if (textureEntry == null || textureEntry.DefaultTexture == null)
-                                        continue;
-
-                                    Color4 texcolor = textureEntry.DefaultTexture.RGBA;
-
-                                    // Not sure why some of these are null, oh well.
-
-                                    int colorr = 255 - (int)(texcolor.R * 255f);
-                                    int colorg = 255 - (int)(texcolor.G * 255f);
-                                    int colorb = 255 - (int)(texcolor.B * 255f);
-
-                                    if (!(colorr == 255 && colorg == 255 && colorb == 255))
+                                    // Try to get the RGBA of the default texture entry..
+                                    //
+                                    try
                                     {
-                                        //Try to set the map spot color
-                                        try
-                                        {
-                                            // If the color gets goofy somehow, skip it *shakes fist at Color4
-                                            mapdotspot = Color.FromArgb(colorr, colorg, colorb);
-                                        }
-                                        catch (ArgumentException)
+                                        // get the null checks out of the way
+                                        // skip the ones that break
+                                        if (part == null)
+                                            continue;
+    
+                                        if (part.Shape == null)
+                                            continue;
+    
+                                        if (part.Shape.PCode == (byte)PCode.Tree || part.Shape.PCode == (byte)PCode.NewTree || part.Shape.PCode == (byte)PCode.Grass)
+                                            continue; // eliminates trees from this since we don't really have a good tree representation
+                                        // if you want tree blocks on the map comment the above line and uncomment the below line
+                                        //mapdotspot = Color.PaleGreen;
+    
+                                        Primitive.TextureEntry textureEntry = part.Shape.Textures;
+    
+                                        if (textureEntry == null || textureEntry.DefaultTexture == null)
+                                            continue;
+    
+                                        Color4 texcolor = textureEntry.DefaultTexture.RGBA;
+    
+                                        // Not sure why some of these are null, oh well.
+    
+                                        int colorr = 255 - (int)(texcolor.R * 255f);
+                                        int colorg = 255 - (int)(texcolor.G * 255f);
+                                        int colorb = 255 - (int)(texcolor.B * 255f);
+    
+                                        if (!(colorr == 255 && colorg == 255 && colorb == 255))
                                         {
+                                            //Try to set the map spot color
+                                            try
+                                            {
+                                                // If the color gets goofy somehow, skip it *shakes fist at Color4
+                                                mapdotspot = Color.FromArgb(colorr, colorg, colorb);
+                                            }
+                                            catch (ArgumentException)
+                                            {
+                                            }
                                         }
                                     }
-                                }
-                                catch (IndexOutOfRangeException)
-                                {
-                                    // Windows Array
-                                }
-                                catch (ArgumentOutOfRangeException)
-                                {
-                                    // Mono Array
-                                }
-
-                                Vector3 pos = part.GetWorldPosition();
-
-                                // skip prim outside of retion
-                                if (pos.X < 0f || pos.X > 256f || pos.Y < 0f || pos.Y > 256f)
-                                    continue;
-
-                                // skip prim in non-finite position
-                                if (Single.IsNaN(pos.X) || Single.IsNaN(pos.Y) ||
-                                    Single.IsInfinity(pos.X) || Single.IsInfinity(pos.Y))
-                                    continue;
-
-                                // Figure out if object is under 256m above the height of the terrain
-                                bool isBelow256AboveTerrain = false;
-
-                                try
-                                {
-                                    isBelow256AboveTerrain = (pos.Z < ((float)hm[(int)pos.X, (int)pos.Y] + 256f));
-                                }
-                                catch (Exception)
-                                {
-                                }
-
-                                if (isBelow256AboveTerrain)
-                                {
-                                    // Translate scale by rotation so scale is represented properly when object is rotated
-                                    Vector3 lscale = new Vector3(part.Shape.Scale.X, part.Shape.Scale.Y, part.Shape.Scale.Z);
-                                    Vector3 scale = new Vector3();
-                                    Vector3 tScale = new Vector3();
-                                    Vector3 axPos = new Vector3(pos.X,pos.Y,pos.Z);
-
-                                    Quaternion llrot = part.GetWorldRotation();
-                                    Quaternion rot = new Quaternion(llrot.W, llrot.X, llrot.Y, llrot.Z);
-                                    scale = lscale * rot;
-
-                                    // negative scales don't work in this situation
-                                    scale.X = Math.Abs(scale.X);
-                                    scale.Y = Math.Abs(scale.Y);
-                                    scale.Z = Math.Abs(scale.Z);
-
-                                    // This scaling isn't very accurate and doesn't take into account the face rotation :P
-                                    int mapdrawstartX = (int)(pos.X - scale.X);
-                                    int mapdrawstartY = (int)(pos.Y - scale.Y);
-                                    int mapdrawendX = (int)(pos.X + scale.X);
-                                    int mapdrawendY = (int)(pos.Y + scale.Y);
-
-                                    // If object is beyond the edge of the map, don't draw it to avoid errors
-                                    if (mapdrawstartX < 0 || mapdrawstartX > ((int)Constants.RegionSize - 1) || mapdrawendX < 0 || mapdrawendX > ((int)Constants.RegionSize - 1)
-                                                          || mapdrawstartY < 0 || mapdrawstartY > ((int)Constants.RegionSize - 1) || mapdrawendY < 0
-                                                          || mapdrawendY > ((int)Constants.RegionSize - 1))
+                                    catch (IndexOutOfRangeException)
+                                    {
+                                        // Windows Array
+                                    }
+                                    catch (ArgumentOutOfRangeException)
+                                    {
+                                        // Mono Array
+                                    }
+    
+                                    Vector3 pos = part.GetWorldPosition();
+    
+                                    // skip prim outside of retion
+                                    if (pos.X < 0f || pos.X > 256f || pos.Y < 0f || pos.Y > 256f)
                                         continue;
-
-#region obb face reconstruction part duex
-                                    Vector3[] vertexes = new Vector3[8];
-
-                                    // float[] distance = new float[6];
-                                    Vector3[] FaceA = new Vector3[6]; // vertex A for Facei
-                                    Vector3[] FaceB = new Vector3[6]; // vertex B for Facei
-                                    Vector3[] FaceC = new Vector3[6]; // vertex C for Facei
-                                    Vector3[] FaceD = new Vector3[6]; // vertex D for Facei
-
-                                    tScale = new Vector3(lscale.X, -lscale.Y, lscale.Z);
-                                    scale = ((tScale * rot));
-                                    vertexes[0] = (new Vector3((pos.X + scale.X), (pos.Y + scale.Y), (pos.Z + scale.Z)));
-                                    // vertexes[0].x = pos.X + vertexes[0].x;
-                                    //vertexes[0].y = pos.Y + vertexes[0].y;
-                                    //vertexes[0].z = pos.Z + vertexes[0].z;
-
-                                    FaceA[0] = vertexes[0];
-                                    FaceB[3] = vertexes[0];
-                                    FaceA[4] = vertexes[0];
-
-                                    tScale = lscale;
-                                    scale = ((tScale * rot));
-                                    vertexes[1] = (new Vector3((pos.X + scale.X), (pos.Y + scale.Y), (pos.Z + scale.Z)));
-
-                                    // vertexes[1].x = pos.X + vertexes[1].x;
-                                    // vertexes[1].y = pos.Y + vertexes[1].y;
-                                    //vertexes[1].z = pos.Z + vertexes[1].z;
-
-                                    FaceB[0] = vertexes[1];
-                                    FaceA[1] = vertexes[1];
-                                    FaceC[4] = vertexes[1];
-
-                                    tScale = new Vector3(lscale.X, -lscale.Y, -lscale.Z);
-                                    scale = ((tScale * rot));
-
-                                    vertexes[2] = (new Vector3((pos.X + scale.X), (pos.Y + scale.Y), (pos.Z + scale.Z)));
-
-                                    //vertexes[2].x = pos.X + vertexes[2].x;
-                                    //vertexes[2].y = pos.Y + vertexes[2].y;
-                                    //vertexes[2].z = pos.Z + vertexes[2].z;
-
-                                    FaceC[0] = vertexes[2];
-                                    FaceD[3] = vertexes[2];
-                                    FaceC[5] = vertexes[2];
-
-                                    tScale = new Vector3(lscale.X, lscale.Y, -lscale.Z);
-                                    scale = ((tScale * rot));
-                                    vertexes[3] = (new Vector3((pos.X + scale.X), (pos.Y + scale.Y), (pos.Z + scale.Z)));
-
-                                    //vertexes[3].x = pos.X + vertexes[3].x;
-                                    // vertexes[3].y = pos.Y + vertexes[3].y;
-                                    // vertexes[3].z = pos.Z + vertexes[3].z;
-
-                                    FaceD[0] = vertexes[3];
-                                    FaceC[1] = vertexes[3];
-                                    FaceA[5] = vertexes[3];
-
-                                    tScale = new Vector3(-lscale.X, lscale.Y, lscale.Z);
-                                    scale = ((tScale * rot));
-                                    vertexes[4] = (new Vector3((pos.X + scale.X), (pos.Y + scale.Y), (pos.Z + scale.Z)));
-
-                                    // vertexes[4].x = pos.X + vertexes[4].x;
-                                    // vertexes[4].y = pos.Y + vertexes[4].y;
-                                    // vertexes[4].z = pos.Z + vertexes[4].z;
-
-                                    FaceB[1] = vertexes[4];
-                                    FaceA[2] = vertexes[4];
-                                    FaceD[4] = vertexes[4];
-
-                                    tScale = new Vector3(-lscale.X, lscale.Y, -lscale.Z);
-                                    scale = ((tScale * rot));
-                                    vertexes[5] = (new Vector3((pos.X + scale.X), (pos.Y + scale.Y), (pos.Z + scale.Z)));
-
-                                    // vertexes[5].x = pos.X + vertexes[5].x;
-                                    // vertexes[5].y = pos.Y + vertexes[5].y;
-                                    // vertexes[5].z = pos.Z + vertexes[5].z;
-
-                                    FaceD[1] = vertexes[5];
-                                    FaceC[2] = vertexes[5];
-                                    FaceB[5] = vertexes[5];
-
-                                    tScale = new Vector3(-lscale.X, -lscale.Y, lscale.Z);
-                                    scale = ((tScale * rot));
-                                    vertexes[6] = (new Vector3((pos.X + scale.X), (pos.Y + scale.Y), (pos.Z + scale.Z)));
-
-                                    // vertexes[6].x = pos.X + vertexes[6].x;
-                                    // vertexes[6].y = pos.Y + vertexes[6].y;
-                                    // vertexes[6].z = pos.Z + vertexes[6].z;
-
-                                    FaceB[2] = vertexes[6];
-                                    FaceA[3] = vertexes[6];
-                                    FaceB[4] = vertexes[6];
-
-                                    tScale = new Vector3(-lscale.X, -lscale.Y, -lscale.Z);
-                                    scale = ((tScale * rot));
-                                    vertexes[7] = (new Vector3((pos.X + scale.X), (pos.Y + scale.Y), (pos.Z + scale.Z)));
-
-                                    // vertexes[7].x = pos.X + vertexes[7].x;
-                                    // vertexes[7].y = pos.Y + vertexes[7].y;
-                                    // vertexes[7].z = pos.Z + vertexes[7].z;
-
-                                    FaceD[2] = vertexes[7];
-                                    FaceC[3] = vertexes[7];
-                                    FaceD[5] = vertexes[7];
-#endregion
-
-                                    //int wy = 0;
-
-                                    //bool breakYN = false; // If we run into an error drawing, break out of the
-                                    // loop so we don't lag to death on error handling
-                                    DrawStruct ds = new DrawStruct();
-                                    ds.brush = new SolidBrush(mapdotspot);
-                                    //ds.rect = new Rectangle(mapdrawstartX, (255 - mapdrawstartY), mapdrawendX - mapdrawstartX, mapdrawendY - mapdrawstartY);
-
-                                    ds.trns = new face[FaceA.Length];
-
-                                    for (int i = 0; i < FaceA.Length; i++)
+    
+                                    // skip prim in non-finite position
+                                    if (Single.IsNaN(pos.X) || Single.IsNaN(pos.Y) ||
+                                        Single.IsInfinity(pos.X) || Single.IsInfinity(pos.Y))
+                                        continue;
+    
+                                    // Figure out if object is under 256m above the height of the terrain
+                                    bool isBelow256AboveTerrain = false;
+    
+                                    try
                                     {
-                                        Point[] working = new Point[5];
-                                        working[0] = project(FaceA[i], axPos);
-                                        working[1] = project(FaceB[i], axPos);
-                                        working[2] = project(FaceD[i], axPos);
-                                        working[3] = project(FaceC[i], axPos);
-                                        working[4] = project(FaceA[i], axPos);
-
-                                        face workingface = new face();
-                                        workingface.pts = working;
-
-                                        ds.trns[i] = workingface;
+                                        isBelow256AboveTerrain = (pos.Z < ((float)hm[(int)pos.X, (int)pos.Y] + 256f));
                                     }
-
-                                    z_sort.Add(part.LocalId, ds);
-                                    z_localIDs.Add(part.LocalId);
-                                    z_sortheights.Add(pos.Z);
-
-                                    //for (int wx = mapdrawstartX; wx < mapdrawendX; wx++)
-                                    //{
-                                        //for (wy = mapdrawstartY; wy < mapdrawendY; wy++)
+                                    catch (Exception)
+                                    {
+                                    }
+    
+                                    if (isBelow256AboveTerrain)
+                                    {
+                                        // Translate scale by rotation so scale is represented properly when object is rotated
+                                        Vector3 lscale = new Vector3(part.Shape.Scale.X, part.Shape.Scale.Y, part.Shape.Scale.Z);
+                                        Vector3 scale = new Vector3();
+                                        Vector3 tScale = new Vector3();
+                                        Vector3 axPos = new Vector3(pos.X,pos.Y,pos.Z);
+    
+                                        Quaternion llrot = part.GetWorldRotation();
+                                        Quaternion rot = new Quaternion(llrot.W, llrot.X, llrot.Y, llrot.Z);
+                                        scale = lscale * rot;
+    
+                                        // negative scales don't work in this situation
+                                        scale.X = Math.Abs(scale.X);
+                                        scale.Y = Math.Abs(scale.Y);
+                                        scale.Z = Math.Abs(scale.Z);
+    
+                                        // This scaling isn't very accurate and doesn't take into account the face rotation :P
+                                        int mapdrawstartX = (int)(pos.X - scale.X);
+                                        int mapdrawstartY = (int)(pos.Y - scale.Y);
+                                        int mapdrawendX = (int)(pos.X + scale.X);
+                                        int mapdrawendY = (int)(pos.Y + scale.Y);
+    
+                                        // If object is beyond the edge of the map, don't draw it to avoid errors
+                                        if (mapdrawstartX < 0 || mapdrawstartX > ((int)Constants.RegionSize - 1) || mapdrawendX < 0 || mapdrawendX > ((int)Constants.RegionSize - 1)
+                                                              || mapdrawstartY < 0 || mapdrawstartY > ((int)Constants.RegionSize - 1) || mapdrawendY < 0
+                                                              || mapdrawendY > ((int)Constants.RegionSize - 1))
+                                            continue;
+    
+    #region obb face reconstruction part duex
+                                        Vector3[] vertexes = new Vector3[8];
+    
+                                        // float[] distance = new float[6];
+                                        Vector3[] FaceA = new Vector3[6]; // vertex A for Facei
+                                        Vector3[] FaceB = new Vector3[6]; // vertex B for Facei
+                                        Vector3[] FaceC = new Vector3[6]; // vertex C for Facei
+                                        Vector3[] FaceD = new Vector3[6]; // vertex D for Facei
+    
+                                        tScale = new Vector3(lscale.X, -lscale.Y, lscale.Z);
+                                        scale = ((tScale * rot));
+                                        vertexes[0] = (new Vector3((pos.X + scale.X), (pos.Y + scale.Y), (pos.Z + scale.Z)));
+                                        // vertexes[0].x = pos.X + vertexes[0].x;
+                                        //vertexes[0].y = pos.Y + vertexes[0].y;
+                                        //vertexes[0].z = pos.Z + vertexes[0].z;
+    
+                                        FaceA[0] = vertexes[0];
+                                        FaceB[3] = vertexes[0];
+                                        FaceA[4] = vertexes[0];
+    
+                                        tScale = lscale;
+                                        scale = ((tScale * rot));
+                                        vertexes[1] = (new Vector3((pos.X + scale.X), (pos.Y + scale.Y), (pos.Z + scale.Z)));
+    
+                                        // vertexes[1].x = pos.X + vertexes[1].x;
+                                        // vertexes[1].y = pos.Y + vertexes[1].y;
+                                        //vertexes[1].z = pos.Z + vertexes[1].z;
+    
+                                        FaceB[0] = vertexes[1];
+                                        FaceA[1] = vertexes[1];
+                                        FaceC[4] = vertexes[1];
+    
+                                        tScale = new Vector3(lscale.X, -lscale.Y, -lscale.Z);
+                                        scale = ((tScale * rot));
+    
+                                        vertexes[2] = (new Vector3((pos.X + scale.X), (pos.Y + scale.Y), (pos.Z + scale.Z)));
+    
+                                        //vertexes[2].x = pos.X + vertexes[2].x;
+                                        //vertexes[2].y = pos.Y + vertexes[2].y;
+                                        //vertexes[2].z = pos.Z + vertexes[2].z;
+    
+                                        FaceC[0] = vertexes[2];
+                                        FaceD[3] = vertexes[2];
+                                        FaceC[5] = vertexes[2];
+    
+                                        tScale = new Vector3(lscale.X, lscale.Y, -lscale.Z);
+                                        scale = ((tScale * rot));
+                                        vertexes[3] = (new Vector3((pos.X + scale.X), (pos.Y + scale.Y), (pos.Z + scale.Z)));
+    
+                                        //vertexes[3].x = pos.X + vertexes[3].x;
+                                        // vertexes[3].y = pos.Y + vertexes[3].y;
+                                        // vertexes[3].z = pos.Z + vertexes[3].z;
+    
+                                        FaceD[0] = vertexes[3];
+                                        FaceC[1] = vertexes[3];
+                                        FaceA[5] = vertexes[3];
+    
+                                        tScale = new Vector3(-lscale.X, lscale.Y, lscale.Z);
+                                        scale = ((tScale * rot));
+                                        vertexes[4] = (new Vector3((pos.X + scale.X), (pos.Y + scale.Y), (pos.Z + scale.Z)));
+    
+                                        // vertexes[4].x = pos.X + vertexes[4].x;
+                                        // vertexes[4].y = pos.Y + vertexes[4].y;
+                                        // vertexes[4].z = pos.Z + vertexes[4].z;
+    
+                                        FaceB[1] = vertexes[4];
+                                        FaceA[2] = vertexes[4];
+                                        FaceD[4] = vertexes[4];
+    
+                                        tScale = new Vector3(-lscale.X, lscale.Y, -lscale.Z);
+                                        scale = ((tScale * rot));
+                                        vertexes[5] = (new Vector3((pos.X + scale.X), (pos.Y + scale.Y), (pos.Z + scale.Z)));
+    
+                                        // vertexes[5].x = pos.X + vertexes[5].x;
+                                        // vertexes[5].y = pos.Y + vertexes[5].y;
+                                        // vertexes[5].z = pos.Z + vertexes[5].z;
+    
+                                        FaceD[1] = vertexes[5];
+                                        FaceC[2] = vertexes[5];
+                                        FaceB[5] = vertexes[5];
+    
+                                        tScale = new Vector3(-lscale.X, -lscale.Y, lscale.Z);
+                                        scale = ((tScale * rot));
+                                        vertexes[6] = (new Vector3((pos.X + scale.X), (pos.Y + scale.Y), (pos.Z + scale.Z)));
+    
+                                        // vertexes[6].x = pos.X + vertexes[6].x;
+                                        // vertexes[6].y = pos.Y + vertexes[6].y;
+                                        // vertexes[6].z = pos.Z + vertexes[6].z;
+    
+                                        FaceB[2] = vertexes[6];
+                                        FaceA[3] = vertexes[6];
+                                        FaceB[4] = vertexes[6];
+    
+                                        tScale = new Vector3(-lscale.X, -lscale.Y, -lscale.Z);
+                                        scale = ((tScale * rot));
+                                        vertexes[7] = (new Vector3((pos.X + scale.X), (pos.Y + scale.Y), (pos.Z + scale.Z)));
+    
+                                        // vertexes[7].x = pos.X + vertexes[7].x;
+                                        // vertexes[7].y = pos.Y + vertexes[7].y;
+                                        // vertexes[7].z = pos.Z + vertexes[7].z;
+    
+                                        FaceD[2] = vertexes[7];
+                                        FaceC[3] = vertexes[7];
+                                        FaceD[5] = vertexes[7];
+    #endregion
+    
+                                        //int wy = 0;
+    
+                                        //bool breakYN = false; // If we run into an error drawing, break out of the
+                                        // loop so we don't lag to death on error handling
+                                        DrawStruct ds = new DrawStruct();
+                                        ds.brush = new SolidBrush(mapdotspot);
+                                        //ds.rect = new Rectangle(mapdrawstartX, (255 - mapdrawstartY), mapdrawendX - mapdrawstartX, mapdrawendY - mapdrawstartY);
+    
+                                        ds.trns = new face[FaceA.Length];
+    
+                                        for (int i = 0; i < FaceA.Length; i++)
+                                        {
+                                            Point[] working = new Point[5];
+                                            working[0] = project(FaceA[i], axPos);
+                                            working[1] = project(FaceB[i], axPos);
+                                            working[2] = project(FaceD[i], axPos);
+                                            working[3] = project(FaceC[i], axPos);
+                                            working[4] = project(FaceA[i], axPos);
+    
+                                            face workingface = new face();
+                                            workingface.pts = working;
+    
+                                            ds.trns[i] = workingface;
+                                        }
+    
+                                        z_sort.Add(part.LocalId, ds);
+                                        z_localIDs.Add(part.LocalId);
+                                        z_sortheights.Add(pos.Z);
+    
+                                        //for (int wx = mapdrawstartX; wx < mapdrawendX; wx++)
                                         //{
-                                            //m_log.InfoFormat("[MAPDEBUG]: {0},{1}({2})", wx, (255 - wy),wy);
-                                            //try
+                                            //for (wy = mapdrawstartY; wy < mapdrawendY; wy++)
                                             //{
-                                                // Remember, flip the y!
-                                            //    mapbmp.SetPixel(wx, (255 - wy), mapdotspot);
+                                                //m_log.InfoFormat("[MAPDEBUG]: {0},{1}({2})", wx, (255 - wy),wy);
+                                                //try
+                                                //{
+                                                    // Remember, flip the y!
+                                                //    mapbmp.SetPixel(wx, (255 - wy), mapdotspot);
+                                                //}
+                                                //catch (ArgumentException)
+                                                //{
+                                                //    breakYN = true;
+                                                //}
+    
+                                                //if (breakYN)
+                                                //    break;
                                             //}
-                                            //catch (ArgumentException)
-                                            //{
-                                            //    breakYN = true;
-                                            //}
-
+    
                                             //if (breakYN)
                                             //    break;
                                         //}
-
-                                        //if (breakYN)
-                                        //    break;
-                                    //}
-                                } // Object is within 256m Z of terrain
-                            } // object is at least a meter wide
+                                    } // Object is within 256m Z of terrain
+                                } // object is at least a meter wide
+                            } // mapdot.Children lock
                         } // loop over group children
                     } // entitybase is sceneobject group
                 } // foreach loop over entities
diff --git a/OpenSim/Region/Framework/Interfaces/IEntityInventory.cs b/OpenSim/Region/Framework/Interfaces/IEntityInventory.cs
index 1e2f60b..f5cd528 100644
--- a/OpenSim/Region/Framework/Interfaces/IEntityInventory.cs
+++ b/OpenSim/Region/Framework/Interfaces/IEntityInventory.cs
@@ -29,6 +29,7 @@ using System.Collections.Generic;
 using System.Collections;
 using OpenMetaverse;
 using OpenSim.Framework;
+using OpenSim.Region.Framework.Scenes;
 
 namespace OpenSim.Region.Framework.Interfaces
 {
@@ -155,6 +156,17 @@ namespace OpenSim.Region.Framework.Interfaces
         /// If no inventory item has that name then an empty list is returned.
         /// </returns>
         IList<TaskInventoryItem> GetInventoryItems(string name);
+        
+        /// <summary>
+        /// Get the scene object referenced by an inventory item.
+        /// </summary>
+        /// 
+        /// This is returned in a 'rez ready' state.  That is, name, description, permissions and other details have
+        /// been adjusted to reflect the part and item from which it originates.
+        /// 
+        /// <param name="item"></param>
+        /// <returns>The scene object.  Null if the scene object asset couldn't be found</returns>
+        SceneObjectGroup GetRezReadySceneObject(TaskInventoryItem item);
 
         /// <summary>
         /// Update an existing inventory item.
diff --git a/OpenSim/Region/Framework/Scenes/Scene.Inventory.cs b/OpenSim/Region/Framework/Scenes/Scene.Inventory.cs
index 012732b..48508f8 100644
--- a/OpenSim/Region/Framework/Scenes/Scene.Inventory.cs
+++ b/OpenSim/Region/Framework/Scenes/Scene.Inventory.cs
@@ -2022,60 +2022,13 @@ namespace OpenSim.Region.Framework.Scenes
             if (null == item)
                 return null;
             
-            UUID ownerID = item.OwnerID;
-            AssetBase rezAsset = AssetService.Get(item.AssetID.ToString());
-
-            if (null == rezAsset)
-                return null;
-
-            string xmlData = Utils.BytesToString(rezAsset.Data);
-            SceneObjectGroup group = SceneObjectSerializer.FromOriginalXmlFormat(xmlData);
-
-            if (!Permissions.CanRezObject(group.Children.Count, ownerID, pos))
+            SceneObjectGroup group = sourcePart.Inventory.GetRezReadySceneObject(item);
+            
+            if (null == group)
                 return null;
-
-            group.ResetIDs();
-
-            SceneObjectPart rootPart = group.GetChildPart(group.UUID);
-
-            // Since renaming the item in the inventory does not affect the name stored
-            // in the serialization, transfer the correct name from the inventory to the
-            // object itself before we rez.
-            rootPart.Name = item.Name;
-            rootPart.Description = item.Description;
-
-            List<SceneObjectPart> partList = new List<SceneObjectPart>(group.Children.Values);
-
-            group.SetGroup(sourcePart.GroupID, null);
-
-            if ((rootPart.OwnerID != item.OwnerID) || (item.CurrentPermissions & 16) != 0)
-            {
-                if (Permissions.PropagatePermissions())
-                {
-                    foreach (SceneObjectPart part in partList)
-                    {
-                        part.EveryoneMask = item.EveryonePermissions;
-                        part.NextOwnerMask = item.NextPermissions;
-                    }
-                    
-                    group.ApplyNextOwnerPermissions();
-                }
-            }
-
-            foreach (SceneObjectPart part in partList)
-            {
-                if ((part.OwnerID != item.OwnerID) || (item.CurrentPermissions & 16) != 0)
-                {
-                    part.LastOwnerID = part.OwnerID;
-                    part.OwnerID = item.OwnerID;
-                    part.Inventory.ChangeInventoryOwner(item.OwnerID);
-                }
-                
-                part.EveryoneMask = item.EveryonePermissions;
-                part.NextOwnerMask = item.NextPermissions;
-            }
             
-            rootPart.TrimPermissions();                        
+            if (!Permissions.CanRezObject(group.PrimCount, item.OwnerID, pos))
+                return null;            
 
             if (!Permissions.BypassPermissions())
             {
@@ -2091,7 +2044,7 @@ namespace OpenSim.Region.Framework.Scenes
             
             group.ScheduleGroupForFullUpdate();
         
-            return rootPart.ParentGroup;
+            return group;
         }
 
         public virtual bool returnObjects(SceneObjectGroup[] returnobjects, UUID AgentId)
@@ -2151,8 +2104,11 @@ namespace OpenSim.Region.Framework.Scenes
                     sog.SetGroup(groupID, remoteClient);
                     sog.ScheduleGroupForFullUpdate();
 
-                    foreach (SceneObjectPart child in sog.Children.Values)
-                        child.Inventory.ChangeInventoryOwner(ownerID);
+                    lock (sog.Children)
+                    {
+                        foreach (SceneObjectPart child in sog.Children.Values)
+                            child.Inventory.ChangeInventoryOwner(ownerID);
+                    }
                 }
                 else
                 {
@@ -2162,16 +2118,18 @@ namespace OpenSim.Region.Framework.Scenes
                     if (sog.GroupID != groupID)
                         continue;
 
-                    foreach (SceneObjectPart child in sog.Children.Values)
+                    lock (sog.Children)
                     {
-                        child.LastOwnerID = child.OwnerID;
-                        child.Inventory.ChangeInventoryOwner(groupID);
+                        foreach (SceneObjectPart child in sog.Children.Values)
+                        {
+                            child.LastOwnerID = child.OwnerID;
+                            child.Inventory.ChangeInventoryOwner(groupID);
+                        }
                     }
 
                     sog.SetOwnerId(groupID);
                     sog.ApplyNextOwnerPermissions();
-                }
-                
+                }                
             }
 
             foreach (uint localID in localIDs)
diff --git a/OpenSim/Region/Framework/Scenes/Scene.PacketHandlers.cs b/OpenSim/Region/Framework/Scenes/Scene.PacketHandlers.cs
index e25b1f1..9f1575d 100644
--- a/OpenSim/Region/Framework/Scenes/Scene.PacketHandlers.cs
+++ b/OpenSim/Region/Framework/Scenes/Scene.PacketHandlers.cs
@@ -156,21 +156,29 @@ namespace OpenSim.Region.Framework.Scenes
                         }
                         break;
                     }
-                   else 
-                   {
-                       // We also need to check the children of this prim as they
-                       // can be selected as well and send property information
-                       bool foundPrim = false;
-                       foreach (KeyValuePair<UUID, SceneObjectPart> child in ((SceneObjectGroup) ent).Children)
-                       {
-                           if (child.Value.LocalId == primLocalID) 
-                           {
-                               child.Value.GetProperties(remoteClient);
-                               foundPrim = true;
-                               break;
-                           }
-                       }
-                       if (foundPrim) break;
+                    else 
+                    {
+                        // We also need to check the children of this prim as they
+                        // can be selected as well and send property information
+                        bool foundPrim = false;
+                        
+                        SceneObjectGroup sog = ent as SceneObjectGroup;
+                        
+                        lock (sog.Children)
+                        {
+                            foreach (KeyValuePair<UUID, SceneObjectPart> child in (sog.Children))
+                            {
+                                if (child.Value.LocalId == primLocalID) 
+                                {
+                                    child.Value.GetProperties(remoteClient);
+                                    foundPrim = true;
+                                    break;
+                                }
+                            }
+                        }
+                            
+                        if (foundPrim) 
+                            break;
                    }
                 }
             }
diff --git a/OpenSim/Region/Framework/Scenes/Scene.cs b/OpenSim/Region/Framework/Scenes/Scene.cs
index 520f1a1..ec97d25 100644
--- a/OpenSim/Region/Framework/Scenes/Scene.cs
+++ b/OpenSim/Region/Framework/Scenes/Scene.cs
@@ -1790,8 +1790,9 @@ namespace OpenSim.Region.Framework.Scenes
                 
                 if (group.RootPart == null)
                 {
-                    m_log.ErrorFormat("[SCENE]: Found a SceneObjectGroup with m_rootPart == null and {0} children",
-                                      group.Children == null ? 0 : group.Children.Count);
+                    m_log.ErrorFormat(
+                        "[SCENE]: Found a SceneObjectGroup with m_rootPart == null and {0} children",
+                        group.Children == null ? 0 : group.PrimCount);
                 }
 
                 AddRestoredSceneObject(group, true, true);
@@ -2130,18 +2131,22 @@ namespace OpenSim.Region.Framework.Scenes
                 group.RemoveScriptInstances(true);
             }
 
-            foreach (SceneObjectPart part in group.Children.Values)
+            lock (group.Children)
             {
-                if (part.IsJoint() && ((part.Flags & PrimFlags.Physics) != 0))
+                foreach (SceneObjectPart part in group.Children.Values)
                 {
-                    PhysicsScene.RequestJointDeletion(part.Name); // FIXME: what if the name changed?
-                }
-                else if (part.PhysActor != null)
-                {
-                    PhysicsScene.RemovePrim(part.PhysActor);
-                    part.PhysActor = null;
+                    if (part.IsJoint() && ((part.Flags & PrimFlags.Physics) != 0))
+                    {
+                        PhysicsScene.RequestJointDeletion(part.Name); // FIXME: what if the name changed?
+                    }
+                    else if (part.PhysActor != null)
+                    {
+                        PhysicsScene.RemovePrim(part.PhysActor);
+                        part.PhysActor = null;
+                    }
                 }
             }
+            
 //            if (rootPart.PhysActor != null)
 //            {
 //                PhysicsScene.RemovePrim(rootPart.PhysActor);
@@ -2498,14 +2503,16 @@ namespace OpenSim.Region.Framework.Scenes
 
             // Force allocation of new LocalId
             //
-            foreach (SceneObjectPart p in sceneObject.Children.Values)
-                p.LocalId = 0;
+            lock (sceneObject.Children)
+            {
+                foreach (SceneObjectPart p in sceneObject.Children.Values)
+                    p.LocalId = 0;
+            }
 
             if (sceneObject.IsAttachmentCheckFull()) // Attachment
             {
                 sceneObject.RootPart.AddFlag(PrimFlags.TemporaryOnRez);
                 sceneObject.RootPart.AddFlag(PrimFlags.Phantom);
-
                       
                 // Don't sent a full update here because this will cause full updates to be sent twice for 
                 // attachments on region crossings, resulting in viewer glitches.                
@@ -2519,7 +2526,6 @@ namespace OpenSim.Region.Framework.Scenes
 
                 if (sp != null)
                 {
-
                     SceneObjectGroup grp = sceneObject;
 
                     m_log.DebugFormat(
diff --git a/OpenSim/Region/Framework/Scenes/SceneGraph.cs b/OpenSim/Region/Framework/Scenes/SceneGraph.cs
index 3a0532a..9c5ee60 100644
--- a/OpenSim/Region/Framework/Scenes/SceneGraph.cs
+++ b/OpenSim/Region/Framework/Scenes/SceneGraph.cs
@@ -384,34 +384,35 @@ namespace OpenSim.Region.Framework.Scenes
 //                        "[SCENE GRAPH]: Adding object {0} {1} to region {2}", 
 //                        sceneObject.Name, sceneObject.UUID, m_parentScene.RegionInfo.RegionName);                
             
-                if (m_parentScene.m_clampPrimSize)
+                lock (sceneObject.Children)
                 {
-                    foreach (SceneObjectPart part in sceneObject.Children.Values)
+                    if (m_parentScene.m_clampPrimSize)
                     {
-                        Vector3 scale = part.Shape.Scale;
-    
-                        if (scale.X > m_parentScene.m_maxNonphys)
-                            scale.X = m_parentScene.m_maxNonphys;
-                        if (scale.Y > m_parentScene.m_maxNonphys)
-                            scale.Y = m_parentScene.m_maxNonphys;
-                        if (scale.Z > m_parentScene.m_maxNonphys)
-                            scale.Z = m_parentScene.m_maxNonphys;
-    
-                        part.Shape.Scale = scale;
+                        foreach (SceneObjectPart part in sceneObject.Children.Values)
+                        {
+                            Vector3 scale = part.Shape.Scale;
+        
+                            if (scale.X > m_parentScene.m_maxNonphys)
+                                scale.X = m_parentScene.m_maxNonphys;
+                            if (scale.Y > m_parentScene.m_maxNonphys)
+                                scale.Y = m_parentScene.m_maxNonphys;
+                            if (scale.Z > m_parentScene.m_maxNonphys)
+                                scale.Z = m_parentScene.m_maxNonphys;
+        
+                            part.Shape.Scale = scale;
+                        }
                     }
-                }
-    
-                sceneObject.AttachToScene(m_parentScene);
-    
-                if (sendClientUpdates)
-                    sceneObject.ScheduleGroupForFullUpdate();
-                                     
-                Entities.Add(sceneObject);
-                m_numPrim += sceneObject.Children.Count;
+        
+                    sceneObject.AttachToScene(m_parentScene);
 
-                if (attachToBackup)
-                {
-                    sceneObject.AttachToBackup();
+                    if (sendClientUpdates)
+                        sceneObject.ScheduleGroupForFullUpdate();
+                                     
+                    Entities.Add(sceneObject);
+                    m_numPrim += sceneObject.Children.Count;
+    
+                    if (attachToBackup)
+                        sceneObject.AttachToBackup();
                 }
 
                 if (OnObjectCreate != null)
@@ -448,10 +449,10 @@ namespace OpenSim.Region.Framework.Scenes
 
                 if (!resultOfObjectLinked)
                 {
-                    m_numPrim -= ((SceneObjectGroup) Entities[uuid]).Children.Count;
+                    m_numPrim -= grp.PrimCount;
 
                     if ((grp.RootPart.Flags & PrimFlags.Physics) == PrimFlags.Physics)
-                        RemovePhysicalPrim(grp.Children.Count);
+                        RemovePhysicalPrim(grp.PrimCount);
                 }
 
                 if (OnObjectRemove != null)
@@ -966,8 +967,12 @@ namespace OpenSim.Region.Framework.Scenes
             {
                 if (SceneObjectGroupsByFullID.TryGetValue(fullID, out sog))
                 {
-                    if (sog.Children.ContainsKey(fullID))
-                        return sog;
+                    lock (sog.Children)
+                    {
+                        if (sog.Children.ContainsKey(fullID))
+                            return sog;
+                    }
+                    
                     SceneObjectGroupsByFullID.Remove(fullID);
                 }
             }
@@ -1678,7 +1683,7 @@ namespace OpenSim.Region.Framework.Scenes
                 {
                     if (part != null)
                     {
-                        if (part.ParentGroup.Children.Count != 1) // Skip single
+                        if (part.ParentGroup.PrimCount != 1) // Skip single
                         {
                             if (part.LinkNum < 2) // Root
                                 rootParts.Add(part);
@@ -1717,8 +1722,15 @@ namespace OpenSim.Region.Framework.Scenes
                     // However, editing linked parts and unlinking may be different
                     //
                     SceneObjectGroup group = root.ParentGroup;
-                    List<SceneObjectPart> newSet = new List<SceneObjectPart>(group.Children.Values);
-                    int numChildren = group.Children.Count;
+                    
+                    List<SceneObjectPart> newSet = null;
+                    int numChildren = -1;
+                    
+                    lock (group.Children)
+                    {
+                        newSet = new List<SceneObjectPart>(group.Children.Values);
+                        numChildren = group.PrimCount;
+                    }
 
                     // If there are prims left in a link set, but the root is
                     // slated for unlink, we need to do this
@@ -1808,12 +1820,17 @@ namespace OpenSim.Region.Framework.Scenes
             {
                 if (ent is SceneObjectGroup)
                 {
-                    foreach (KeyValuePair<UUID, SceneObjectPart> subent in ((SceneObjectGroup)ent).Children)
+                    SceneObjectGroup sog = ent as SceneObjectGroup;
+                    
+                    lock (sog.Children)
                     {
-                        if (subent.Value.LocalId == localID)
+                        foreach (KeyValuePair<UUID, SceneObjectPart> subent in sog.Children)
                         {
-                            objid = subent.Key;
-                            obj = subent.Value;
+                            if (subent.Value.LocalId == localID)
+                            {
+                                objid = subent.Key;
+                                obj = subent.Value;
+                            }
                         }
                     }
                 }
@@ -1878,7 +1895,8 @@ namespace OpenSim.Region.Framework.Scenes
             SceneObjectGroup original = GetGroupByPrim(originalPrimID);
             if (original != null)
             {
-                if (m_parentScene.Permissions.CanDuplicateObject(original.Children.Count, original.UUID, AgentID, original.AbsolutePosition))
+                if (m_parentScene.Permissions.CanDuplicateObject(
+                    original.PrimCount, original.UUID, AgentID, original.AbsolutePosition))
                 {
                     SceneObjectGroup copy = original.Copy(true);
                     copy.AbsolutePosition = copy.AbsolutePosition + offset;
diff --git a/OpenSim/Region/Framework/Scenes/SceneObjectGroup.cs b/OpenSim/Region/Framework/Scenes/SceneObjectGroup.cs
index 9b66fad..e003cf8 100644
--- a/OpenSim/Region/Framework/Scenes/SceneObjectGroup.cs
+++ b/OpenSim/Region/Framework/Scenes/SceneObjectGroup.cs
@@ -360,7 +360,7 @@ namespace OpenSim.Region.Framework.Scenes
         /// </summary>
         public int PrimCount
         {
-            get { return m_parts.Count; }
+            get { lock (m_parts) { return m_parts.Count; } }
         }
 
         protected Quaternion m_rotation = Quaternion.Identity;
@@ -398,6 +398,7 @@ namespace OpenSim.Region.Framework.Scenes
 
         /// <value>
         /// The parts of this scene object group.  You must lock this property before using it.
+        /// If you want to know the number of children, consider using the PrimCount property instead
         /// </value>
         public Dictionary<UUID, SceneObjectPart> Children
         {
@@ -521,7 +522,16 @@ namespace OpenSim.Region.Framework.Scenes
         public override UUID UUID
         {
             get { return m_rootPart.UUID; }
-            set { m_rootPart.UUID = value; }
+            set 
+            { 
+                m_rootPart.UUID = value; 
+                
+                lock (m_parts)
+                {
+                    m_parts.Remove(m_rootPart.UUID);
+                    m_parts.Add(m_rootPart.UUID, m_rootPart);
+                }
+            }
         }
 
         public UUID OwnerID
@@ -742,21 +752,23 @@ namespace OpenSim.Region.Framework.Scenes
             if (m_rootPart.LocalId == 0)
                 m_rootPart.LocalId = m_scene.AllocateLocalId();
 
-            // No need to lock here since the object isn't yet in a scene
-            foreach (SceneObjectPart part in m_parts.Values)
+            lock (m_parts)
             {
-                if (Object.ReferenceEquals(part, m_rootPart))
-                {
-                    continue;
-                }
-
-                if (part.LocalId == 0)
+                foreach (SceneObjectPart part in m_parts.Values)
                 {
-                    part.LocalId = m_scene.AllocateLocalId();
+                    if (Object.ReferenceEquals(part, m_rootPart))
+                    {
+                        continue;
+                    }
+    
+                    if (part.LocalId == 0)
+                    {
+                        part.LocalId = m_scene.AllocateLocalId();
+                    }
+    
+                    part.ParentID = m_rootPart.LocalId;
+                    //m_log.DebugFormat("[SCENE]: Given local id {0} to part {1}, linknum {2}, parent {3} {4}", part.LocalId, part.UUID, part.LinkNum, part.ParentID, part.ParentUUID);
                 }
-
-                part.ParentID = m_rootPart.LocalId;
-                //m_log.DebugFormat("[SCENE]: Given local id {0} to part {1}, linknum {2}, parent {3} {4}", part.LocalId, part.UUID, part.LinkNum, part.ParentID, part.ParentUUID);
             }
             
             ApplyPhysics(m_scene.m_physicalPrim);
@@ -1238,9 +1250,12 @@ namespace OpenSim.Region.Framework.Scenes
                 m_rootPart.AttachedAvatar = agentID;
 
                 //Anakin Lohner bug #3839 
-                foreach (SceneObjectPart p in m_parts.Values)
+                lock (m_parts)
                 {
-                    p.AttachedAvatar = agentID;
+                    foreach (SceneObjectPart p in m_parts.Values)
+                    {
+                        p.AttachedAvatar = agentID;
+                    }
                 }
 
                 if (m_rootPart.PhysActor != null)
@@ -1308,10 +1323,14 @@ namespace OpenSim.Region.Framework.Scenes
 
             AbsolutePosition = detachedpos;
             m_rootPart.AttachedAvatar = UUID.Zero;
-            //Anakin Lohner bug #3839 
-            foreach (SceneObjectPart p in m_parts.Values)
+            
+            //Anakin Lohner bug #3839            
+            lock (m_parts)
             {
-                p.AttachedAvatar = UUID.Zero;
+                foreach (SceneObjectPart p in m_parts.Values)
+                {
+                    p.AttachedAvatar = UUID.Zero;
+                }
             }
 
             m_rootPart.SetParentLocalId(0);
@@ -1337,10 +1356,14 @@ namespace OpenSim.Region.Framework.Scenes
             }
 
             m_rootPart.AttachedAvatar = UUID.Zero;
+            
             //Anakin Lohner bug #3839 
-            foreach (SceneObjectPart p in m_parts.Values)
+            lock (m_parts)
             {
-                p.AttachedAvatar = UUID.Zero;
+                foreach (SceneObjectPart p in m_parts.Values)
+                {
+                    p.AttachedAvatar = UUID.Zero;
+                }
             }
 
             m_rootPart.SetParentLocalId(0);
@@ -1406,9 +1429,8 @@ namespace OpenSim.Region.Framework.Scenes
                 part.ParentID = 0;
             part.LinkNum = 0;
             
-            // No locking required since the SOG should not be in the scene yet - one can't change root parts after
-            // the scene object has been attached to the scene
-            m_parts.Add(m_rootPart.UUID, m_rootPart);
+            lock (m_parts)
+                m_parts.Add(m_rootPart.UUID, m_rootPart);
         }
 
         /// <summary>
@@ -1928,14 +1950,14 @@ namespace OpenSim.Region.Framework.Scenes
         }
 
         /// <summary>
-        ///
+        /// Copy the given part as the root part of this scene object.
         /// </summary>
         /// <param name="part"></param>
         /// <param name="cAgentID"></param>
         /// <param name="cGroupID"></param>
         public void CopyRootPart(SceneObjectPart part, UUID cAgentID, UUID cGroupID, bool userExposed)
         {
-            SetRootPart(part.Copy(m_scene.AllocateLocalId(), OwnerID, GroupID, m_parts.Count, userExposed));
+            SetRootPart(part.Copy(m_scene.AllocateLocalId(), OwnerID, GroupID, 0, userExposed));
         }
 
         public void ScriptSetPhysicsStatus(bool UsePhysics)
@@ -2234,14 +2256,15 @@ namespace OpenSim.Region.Framework.Scenes
         /// </summary>
         public void ResetIDs()
         {
-            // As this is only ever called for prims which are not currently part of the scene (and hence
-            // not accessible by clients), there should be no need to lock
-            List<SceneObjectPart> partsList = new List<SceneObjectPart>(m_parts.Values);
-            m_parts.Clear();
-            foreach (SceneObjectPart part in partsList)
+            lock (m_parts)
             {
-                part.ResetIDs(part.LinkNum); // Don't change link nums
-                m_parts.Add(part.UUID, part);
+                List<SceneObjectPart> partsList = new List<SceneObjectPart>(m_parts.Values);
+                m_parts.Clear();
+                foreach (SceneObjectPart part in partsList)
+                {
+                    part.ResetIDs(part.LinkNum); // Don't change link nums
+                    m_parts.Add(part.UUID, part);
+                }
             }
         }
 
@@ -2479,10 +2502,15 @@ namespace OpenSim.Region.Framework.Scenes
         public SceneObjectPart GetChildPart(UUID primID)
         {
             SceneObjectPart childPart = null;
-            if (m_parts.ContainsKey(primID))
+            
+            lock (m_parts)
             {
-                childPart = m_parts[primID];
+                if (m_parts.ContainsKey(primID))
+                {
+                    childPart = m_parts[primID];
+                }
             }
+            
             return childPart;
         }
 
@@ -2519,9 +2547,10 @@ namespace OpenSim.Region.Framework.Scenes
         /// <returns></returns>
         public bool HasChildPrim(UUID primID)
         {
-            if (m_parts.ContainsKey(primID))
+            lock (m_parts)
             {
-                return true;
+                if (m_parts.ContainsKey(primID))
+                    return true;
             }
 
             return false;
@@ -3132,9 +3161,11 @@ namespace OpenSim.Region.Framework.Scenes
         public void UpdatePermissions(UUID AgentID, byte field, uint localID,
                 uint mask, byte addRemTF)
         {
-            foreach (SceneObjectPart part in m_parts.Values)
-                part.UpdatePermissions(AgentID, field, localID, mask,
-                        addRemTF);
+            lock (m_parts)
+            {
+                foreach (SceneObjectPart part in m_parts.Values)
+                    part.UpdatePermissions(AgentID, field, localID, mask, addRemTF);
+            }
 
             HasGroupChanged = true;
         }
diff --git a/OpenSim/Region/Framework/Scenes/SceneObjectPartInventory.cs b/OpenSim/Region/Framework/Scenes/SceneObjectPartInventory.cs
index 8b4f0ed..10931b7 100644
--- a/OpenSim/Region/Framework/Scenes/SceneObjectPartInventory.cs
+++ b/OpenSim/Region/Framework/Scenes/SceneObjectPartInventory.cs
@@ -37,6 +37,7 @@ using log4net;
 using OpenSim.Framework;
 using OpenSim.Region.Framework.Interfaces;
 using OpenSim.Region.Framework.Scenes.Scripting;
+using OpenSim.Region.Framework.Scenes.Serialization;
 
 namespace OpenSim.Region.Framework.Scenes
 {
@@ -722,6 +723,71 @@ namespace OpenSim.Region.Framework.Scenes
             return items;
         }
         
+        public SceneObjectGroup GetRezReadySceneObject(TaskInventoryItem item)
+        {            
+            UUID ownerID = item.OwnerID;
+            AssetBase rezAsset = m_part.ParentGroup.Scene.AssetService.Get(item.AssetID.ToString());
+
+            if (null == rezAsset)
+            {
+                m_log.WarnFormat(
+                    "[PRIM INVENTORY]: Could not find asset {0} for inventory item {1} in {2}", 
+                    item.AssetID, item.Name, m_part.Name);
+                return null;
+            }
+
+            string xmlData = Utils.BytesToString(rezAsset.Data);
+            SceneObjectGroup group = SceneObjectSerializer.FromOriginalXmlFormat(xmlData);
+
+            group.ResetIDs();
+
+            SceneObjectPart rootPart = group.GetChildPart(group.UUID);
+
+            // Since renaming the item in the inventory does not affect the name stored
+            // in the serialization, transfer the correct name from the inventory to the
+            // object itself before we rez.
+            rootPart.Name = item.Name;
+            rootPart.Description = item.Description;
+
+            List<SceneObjectPart> partList = null;
+            
+            lock (group.Children)
+                partList = new List<SceneObjectPart>(group.Children.Values);
+
+            group.SetGroup(m_part.GroupID, null);
+
+            if ((rootPart.OwnerID != item.OwnerID) || (item.CurrentPermissions & 16) != 0)
+            {
+                if (m_part.ParentGroup.Scene.Permissions.PropagatePermissions())
+                {
+                    foreach (SceneObjectPart part in partList)
+                    {
+                        part.EveryoneMask = item.EveryonePermissions;
+                        part.NextOwnerMask = item.NextPermissions;
+                    }
+                    
+                    group.ApplyNextOwnerPermissions();
+                }
+            }
+
+            foreach (SceneObjectPart part in partList)
+            {
+                if ((part.OwnerID != item.OwnerID) || (item.CurrentPermissions & 16) != 0)
+                {
+                    part.LastOwnerID = part.OwnerID;
+                    part.OwnerID = item.OwnerID;
+                    part.Inventory.ChangeInventoryOwner(item.OwnerID);
+                }
+                
+                part.EveryoneMask = item.EveryonePermissions;
+                part.NextOwnerMask = item.NextPermissions;
+            }
+            
+            rootPart.TrimPermissions(); 
+            
+            return group;
+        }
+        
         /// <summary>
         /// Update an existing inventory item.
         /// </summary>
@@ -1197,6 +1263,5 @@ namespace OpenSim.Region.Framework.Scenes
 
             Items.LockItemsForRead(false);
         }
-
     }
-}
+}
\ No newline at end of file
diff --git a/OpenSim/Region/OptionalModules/ContentManagementSystem/CMEntityCollection.cs b/OpenSim/Region/OptionalModules/ContentManagementSystem/CMEntityCollection.cs
index 56656fc..de1e01c 100644
--- a/OpenSim/Region/OptionalModules/ContentManagementSystem/CMEntityCollection.cs
+++ b/OpenSim/Region/OptionalModules/ContentManagementSystem/CMEntityCollection.cs
@@ -121,16 +121,19 @@ namespace OpenSim.Region.OptionalModules.ContentManagement
                     continue;
                 temp = (SceneObjectGroup) currObj;
 
-                if (m_CMEntityHash.ContainsKey(temp.UUID))
+                lock (temp.Children)
                 {
-                    foreach (SceneObjectPart part in temp.Children.Values)
-                        if (!((ContentManagementEntity)m_CMEntityHash[temp.UUID]).HasChildPrim(part.UUID))
+                    if (m_CMEntityHash.ContainsKey(temp.UUID))
+                    {
+                        foreach (SceneObjectPart part in temp.Children.Values)
+                            if (!((ContentManagementEntity)m_CMEntityHash[temp.UUID]).HasChildPrim(part.UUID))
+                                missingList.Add(part);
+                    }
+                    else //Entire group is missing from revision. (and is a new part in region)
+                    {
+                        foreach (SceneObjectPart part in temp.Children.Values)
                             missingList.Add(part);
-                }
-                else //Entire group is missing from revision. (and is a new part in region)
-                {
-                    foreach (SceneObjectPart part in temp.Children.Values)
-                        missingList.Add(part);
+                    }
                 }
             }
             return missingList;
diff --git a/OpenSim/Region/OptionalModules/ContentManagementSystem/CMModel.cs b/OpenSim/Region/OptionalModules/ContentManagementSystem/CMModel.cs
index 0dc78c0..e5fcb54 100644
--- a/OpenSim/Region/OptionalModules/ContentManagementSystem/CMModel.cs
+++ b/OpenSim/Region/OptionalModules/ContentManagementSystem/CMModel.cs
@@ -1,4 +1,4 @@
-/*
+/*
  * Copyright (c) Contributors, http://opensimulator.org/
  * See CONTRIBUTORS.TXT for a full list of copyright holders.
  *
@@ -167,9 +167,12 @@ namespace OpenSim.Region.OptionalModules.ContentManagement
         public void RemoveOrUpdateDeletedEntity(SceneObjectGroup group)
         {
             // Deal with new parts not revisioned that have been deleted.
-            foreach (SceneObjectPart part in group.Children.Values)
-                if (m_MetaEntityCollection.Auras.ContainsKey(part.UUID))
-                    m_MetaEntityCollection.RemoveNewlyCreatedEntityAura(part.UUID);
+            lock (group.Children)
+            {
+                foreach (SceneObjectPart part in group.Children.Values)
+                    if (m_MetaEntityCollection.Auras.ContainsKey(part.UUID))
+                        m_MetaEntityCollection.RemoveNewlyCreatedEntityAura(part.UUID);
+            }
         }
 
         /// <summary>
@@ -207,8 +210,13 @@ namespace OpenSim.Region.OptionalModules.ContentManagement
                 {
                     temp = SceneObjectSerializer.FromXml2Format(xml);
                     temp.SetScene(scene);
-                    foreach (SceneObjectPart part in temp.Children.Values)
-                        part.RegionHandle = scene.RegionInfo.RegionHandle;
+                    
+                    lock (temp.Children)
+                    {
+                        foreach (SceneObjectPart part in temp.Children.Values)
+                            part.RegionHandle = scene.RegionInfo.RegionHandle;
+                    }
+                    
                     ReplacementList.Add(temp.UUID, (EntityBase)temp);
                 }
                 catch (Exception e)
@@ -338,15 +346,20 @@ namespace OpenSim.Region.OptionalModules.ContentManagement
             System.Collections.ArrayList auraList = new System.Collections.ArrayList();
             if (group == null)
                 return null;
-            foreach (SceneObjectPart part in group.Children.Values)
+            
+            lock (group.Children)
             {
-                if (m_MetaEntityCollection.Auras.ContainsKey(part.UUID))
+                foreach (SceneObjectPart part in group.Children.Values)
                 {
-                    ((AuraMetaEntity)m_MetaEntityCollection.Auras[part.UUID]).SetAura(new Vector3(0,254,0), part.Scale);
-                    ((AuraMetaEntity)m_MetaEntityCollection.Auras[part.UUID]).RootPart.GroupPosition = part.GetWorldPosition();
-                    auraList.Add((AuraMetaEntity)m_MetaEntityCollection.Auras[part.UUID]);
+                    if (m_MetaEntityCollection.Auras.ContainsKey(part.UUID))
+                    {
+                        ((AuraMetaEntity)m_MetaEntityCollection.Auras[part.UUID]).SetAura(new Vector3(0,254,0), part.Scale);
+                        ((AuraMetaEntity)m_MetaEntityCollection.Auras[part.UUID]).RootPart.GroupPosition = part.GetWorldPosition();
+                        auraList.Add((AuraMetaEntity)m_MetaEntityCollection.Auras[part.UUID]);
+                    }
                 }
             }
+            
             return auraList;
         }
 
diff --git a/OpenSim/Region/OptionalModules/ContentManagementSystem/CMView.cs b/OpenSim/Region/OptionalModules/ContentManagementSystem/CMView.cs
index 46fbd39..f75f40a 100644
--- a/OpenSim/Region/OptionalModules/ContentManagementSystem/CMView.cs
+++ b/OpenSim/Region/OptionalModules/ContentManagementSystem/CMView.cs
@@ -186,9 +186,12 @@ namespace OpenSim.Region.OptionalModules.ContentManagement
                 ((ContentManagementEntity)m_model.MetaEntityCollection.Entities[group.UUID]).SendFullDiffUpdateToAll();
 
             // Deal with new parts not revisioned that have been deleted.
-            foreach (SceneObjectPart part in group.Children.Values)
-                if (m_model.MetaEntityCollection.Auras.ContainsKey(part.UUID))
-                    ((AuraMetaEntity)m_model.MetaEntityCollection.Auras[part.UUID]).HideFromAll();
+            lock (group.Children)
+            {
+                foreach (SceneObjectPart part in group.Children.Values)
+                    if (m_model.MetaEntityCollection.Auras.ContainsKey(part.UUID))
+                        ((AuraMetaEntity)m_model.MetaEntityCollection.Auras[part.UUID]).HideFromAll();
+            }
         }
 
         public void SendMetaEntitiesToNewClient(IClientAPI client)
diff --git a/OpenSim/Region/OptionalModules/ContentManagementSystem/ContentManagementEntity.cs b/OpenSim/Region/OptionalModules/ContentManagementSystem/ContentManagementEntity.cs
index ada6701..2730eee 100644
--- a/OpenSim/Region/OptionalModules/ContentManagementSystem/ContentManagementEntity.cs
+++ b/OpenSim/Region/OptionalModules/ContentManagementSystem/ContentManagementEntity.cs
@@ -1,4 +1,4 @@
-/*
+/*
  * Copyright (c) Contributors, http://opensimulator.org/
  * See CONTRIBUTORS.TXT for a full list of copyright holders.
  *
@@ -132,30 +132,33 @@ namespace OpenSim.Region.OptionalModules.ContentManagement
             // if group is not contained in scene's list
             if (!ContainsKey(sceneEntityList, m_UnchangedEntity.UUID))
             {
-                foreach (SceneObjectPart part in m_UnchangedEntity.Children.Values)
+                lock (m_UnchangedEntity.Children)
                 {
-                    // if scene list no longer contains this part, display translucent part and mark with red aura
-                    if (!ContainsKey(sceneEntityList, part.UUID))
+                    foreach (SceneObjectPart part in m_UnchangedEntity.Children.Values)
                     {
-                        // if already displaying a red aura over part, make sure its red
-                        if (m_AuraEntities.ContainsKey(part.UUID))
-                        {
-                            m_AuraEntities[part.UUID].SetAura(new Vector3(254,0,0), part.Scale);
-                        }
-                        else
+                        // if scene list no longer contains this part, display translucent part and mark with red aura
+                        if (!ContainsKey(sceneEntityList, part.UUID))
                         {
-                            AuraMetaEntity auraGroup = new AuraMetaEntity(m_Entity.Scene,
-                                                                          part.GetWorldPosition(),
-                                                                          MetaEntity.TRANSLUCENT,
-                                                                          new Vector3(254,0,0),
-                                                                          part.Scale
-                                                                          );
-                            m_AuraEntities.Add(part.UUID, auraGroup);
+                            // if already displaying a red aura over part, make sure its red
+                            if (m_AuraEntities.ContainsKey(part.UUID))
+                            {
+                                m_AuraEntities[part.UUID].SetAura(new Vector3(254,0,0), part.Scale);
+                            }
+                            else
+                            {
+                                AuraMetaEntity auraGroup = new AuraMetaEntity(m_Entity.Scene,
+                                                                              part.GetWorldPosition(),
+                                                                              MetaEntity.TRANSLUCENT,
+                                                                              new Vector3(254,0,0),
+                                                                              part.Scale
+                                                                              );
+                                m_AuraEntities.Add(part.UUID, auraGroup);
+                            }
+                            SceneObjectPart metaPart = m_Entity.GetLinkNumPart(part.LinkNum);
+                            SetPartTransparency(metaPart, MetaEntity.TRANSLUCENT);
                         }
-                        SceneObjectPart metaPart = m_Entity.GetLinkNumPart(part.LinkNum);
-                        SetPartTransparency(metaPart, MetaEntity.TRANSLUCENT);
+                        // otherwise, scene will not contain the part. note: a group can not remove a part without changing group id
                     }
-                    // otherwise, scene will not contain the part. note: a group can not remove a part without changing group id
                 }
 
                 // a deleted part has no where to point a beam particle system,
@@ -180,8 +183,10 @@ namespace OpenSim.Region.OptionalModules.ContentManagement
         /// </summary>
         public bool HasChildPrim(UUID uuid)
         {
-            if (m_UnchangedEntity.Children.ContainsKey(uuid))
-                return true;
+            lock (m_UnchangedEntity.Children)
+                if (m_UnchangedEntity.Children.ContainsKey(uuid))
+                    return true;
+            
             return false;
         }
 
@@ -190,9 +195,13 @@ namespace OpenSim.Region.OptionalModules.ContentManagement
         /// </summary>
         public bool HasChildPrim(uint localID)
         {
-            foreach (SceneObjectPart part in m_UnchangedEntity.Children.Values)
-                if (part.LocalId == localID)
-                    return true;
+            lock (m_UnchangedEntity.Children)
+            {
+                foreach (SceneObjectPart part in m_UnchangedEntity.Children.Values)
+                    if (part.LocalId == localID)
+                        return true;
+            }
+            
             return false;
         }
 
@@ -228,37 +237,72 @@ namespace OpenSim.Region.OptionalModules.ContentManagement
             // Use "UnchangedEntity" to do comparisons because its text, transparency, and other attributes will be just as the user
             // had originally saved.
             // m_Entity will NOT necessarily be the same entity as the user had saved.
-            foreach (SceneObjectPart UnchangedPart in m_UnchangedEntity.Children.Values)
+            lock (m_UnchangedEntity.Children)
             {
-                //This is the part that we use to show changes.
-                metaEntityPart = m_Entity.GetLinkNumPart(UnchangedPart.LinkNum);
-                if (sceneEntityGroup.Children.ContainsKey(UnchangedPart.UUID))
+                foreach (SceneObjectPart UnchangedPart in m_UnchangedEntity.Children.Values)
                 {
-                    sceneEntityPart = sceneEntityGroup.Children[UnchangedPart.UUID];
-                    differences = Difference.FindDifferences(UnchangedPart,  sceneEntityPart);
-                    if (differences != Diff.NONE)
-                        metaEntityPart.Text = "CHANGE: " + differences.ToString();
-                    if (differences != 0)
+                    //This is the part that we use to show changes.
+                    metaEntityPart = m_Entity.GetLinkNumPart(UnchangedPart.LinkNum);
+                    if (sceneEntityGroup.Children.ContainsKey(UnchangedPart.UUID))
                     {
-                        // Root Part that has been modified
-                        if ((differences&Diff.POSITION) > 0)
+                        sceneEntityPart = sceneEntityGroup.Children[UnchangedPart.UUID];
+                        differences = Difference.FindDifferences(UnchangedPart,  sceneEntityPart);
+                        if (differences != Diff.NONE)
+                            metaEntityPart.Text = "CHANGE: " + differences.ToString();
+                        if (differences != 0)
+                        {
+                            // Root Part that has been modified
+                            if ((differences&Diff.POSITION) > 0)
+                            {
+                                // If the position of any part has changed, make sure the RootPart of the
+                                // meta entity is pointing with a beam particle system
+                                if (m_BeamEntities.ContainsKey(m_UnchangedEntity.RootPart.UUID))
+                                {
+                                    m_BeamEntities[m_UnchangedEntity.RootPart.UUID].HideFromAll();
+                                    m_BeamEntities.Remove(m_UnchangedEntity.RootPart.UUID);
+                                }
+                                BeamMetaEntity beamGroup = new BeamMetaEntity(m_Entity.Scene,
+                                                                              m_UnchangedEntity.RootPart.GetWorldPosition(),
+                                                                              MetaEntity.TRANSLUCENT,
+                                                                              sceneEntityPart,
+                                                                              new Vector3(0,0,254)
+                                                                              );
+                                m_BeamEntities.Add(m_UnchangedEntity.RootPart.UUID, beamGroup);
+                            }
+    
+                            if (m_AuraEntities.ContainsKey(UnchangedPart.UUID))
+                            {
+                                m_AuraEntities[UnchangedPart.UUID].HideFromAll();
+                                m_AuraEntities.Remove(UnchangedPart.UUID);
+                            }
+                            AuraMetaEntity auraGroup = new AuraMetaEntity(m_Entity.Scene,
+                                                                          UnchangedPart.GetWorldPosition(),
+                                                                          MetaEntity.TRANSLUCENT,
+                                                                          new Vector3(0,0,254),
+                                                                          UnchangedPart.Scale
+                                                                          );
+                            m_AuraEntities.Add(UnchangedPart.UUID, auraGroup);
+                            SetPartTransparency(metaEntityPart, MetaEntity.TRANSLUCENT);
+    
+                            DiffersFromSceneGroup = true;
+                        }
+                        else // no differences between scene part and meta part
                         {
-                            // If the position of any part has changed, make sure the RootPart of the
-                            // meta entity is pointing with a beam particle system
                             if (m_BeamEntities.ContainsKey(m_UnchangedEntity.RootPart.UUID))
                             {
                                 m_BeamEntities[m_UnchangedEntity.RootPart.UUID].HideFromAll();
                                 m_BeamEntities.Remove(m_UnchangedEntity.RootPart.UUID);
                             }
-                            BeamMetaEntity beamGroup = new BeamMetaEntity(m_Entity.Scene,
-                                                                          m_UnchangedEntity.RootPart.GetWorldPosition(),
-                                                                          MetaEntity.TRANSLUCENT,
-                                                                          sceneEntityPart,
-                                                                          new Vector3(0,0,254)
-                                                                          );
-                            m_BeamEntities.Add(m_UnchangedEntity.RootPart.UUID, beamGroup);
+                            if (m_AuraEntities.ContainsKey(UnchangedPart.UUID))
+                            {
+                                m_AuraEntities[UnchangedPart.UUID].HideFromAll();
+                                m_AuraEntities.Remove(UnchangedPart.UUID);
+                            }
+                            SetPartTransparency(metaEntityPart, MetaEntity.NONE);
                         }
-
+                    }
+                    else  //The entity currently in the scene is missing parts from the metaentity saved, so mark parts red as deleted.
+                    {
                         if (m_AuraEntities.ContainsKey(UnchangedPart.UUID))
                         {
                             m_AuraEntities[UnchangedPart.UUID].HideFromAll();
@@ -267,48 +311,17 @@ namespace OpenSim.Region.OptionalModules.ContentManagement
                         AuraMetaEntity auraGroup = new AuraMetaEntity(m_Entity.Scene,
                                                                       UnchangedPart.GetWorldPosition(),
                                                                       MetaEntity.TRANSLUCENT,
-                                                                      new Vector3(0,0,254),
+                                                                      new Vector3(254,0,0),
                                                                       UnchangedPart.Scale
                                                                       );
                         m_AuraEntities.Add(UnchangedPart.UUID, auraGroup);
                         SetPartTransparency(metaEntityPart, MetaEntity.TRANSLUCENT);
-
+                       
                         DiffersFromSceneGroup = true;
                     }
-                    else // no differences between scene part and meta part
-                    {
-                        if (m_BeamEntities.ContainsKey(m_UnchangedEntity.RootPart.UUID))
-                        {
-                            m_BeamEntities[m_UnchangedEntity.RootPart.UUID].HideFromAll();
-                            m_BeamEntities.Remove(m_UnchangedEntity.RootPart.UUID);
-                        }
-                        if (m_AuraEntities.ContainsKey(UnchangedPart.UUID))
-                        {
-                            m_AuraEntities[UnchangedPart.UUID].HideFromAll();
-                            m_AuraEntities.Remove(UnchangedPart.UUID);
-                        }
-                        SetPartTransparency(metaEntityPart, MetaEntity.NONE);
-                    }
-                }
-                else  //The entity currently in the scene is missing parts from the metaentity saved, so mark parts red as deleted.
-                {
-                    if (m_AuraEntities.ContainsKey(UnchangedPart.UUID))
-                    {
-                        m_AuraEntities[UnchangedPart.UUID].HideFromAll();
-                        m_AuraEntities.Remove(UnchangedPart.UUID);
-                    }
-                    AuraMetaEntity auraGroup = new AuraMetaEntity(m_Entity.Scene,
-                                                                  UnchangedPart.GetWorldPosition(),
-                                                                  MetaEntity.TRANSLUCENT,
-                                                                  new Vector3(254,0,0),
-                                                                  UnchangedPart.Scale
-                                                                  );
-                    m_AuraEntities.Add(UnchangedPart.UUID, auraGroup);
-                    SetPartTransparency(metaEntityPart, MetaEntity.TRANSLUCENT);
-                   
-                    DiffersFromSceneGroup = true;
                 }
             }
+            
             return changed;
         }
 
diff --git a/OpenSim/Region/OptionalModules/ContentManagementSystem/MetaEntity.cs b/OpenSim/Region/OptionalModules/ContentManagementSystem/MetaEntity.cs
index 841ee00..796f437 100644
--- a/OpenSim/Region/OptionalModules/ContentManagementSystem/MetaEntity.cs
+++ b/OpenSim/Region/OptionalModules/ContentManagementSystem/MetaEntity.cs
@@ -150,15 +150,19 @@ namespace OpenSim.Region.OptionalModules.ContentManagement
         {
             //make new uuids
             Dictionary<UUID, SceneObjectPart> parts = new Dictionary<UUID, SceneObjectPart>();
-            foreach (SceneObjectPart part in m_Entity.Children.Values)
+            
+            lock (m_Entity.Children)
             {
-                part.ResetIDs(part.LinkNum);
-                parts.Add(part.UUID, part);
+                foreach (SceneObjectPart part in m_Entity.Children.Values)
+                {
+                    part.ResetIDs(part.LinkNum);
+                    parts.Add(part.UUID, part);
+                }
+                
+                //finalize
+                m_Entity.RootPart.PhysActor = null;
+                m_Entity.Children = parts;                
             }
-
-            //finalize
-            m_Entity.RootPart.PhysActor = null;
-            m_Entity.Children = parts;
         }
 
         #endregion Protected Methods
@@ -173,8 +177,11 @@ namespace OpenSim.Region.OptionalModules.ContentManagement
             //This deletes the group without removing from any databases.
             //This is important because we are not IN any database.
             //m_Entity.FakeDeleteGroup();
-            foreach (SceneObjectPart part in m_Entity.Children.Values)
-                client.SendKillObject(m_Entity.RegionHandle, part.LocalId);
+            lock (m_Entity.Children)
+            {
+                foreach (SceneObjectPart part in m_Entity.Children.Values)
+                    client.SendKillObject(m_Entity.RegionHandle, part.LocalId);
+            }
         }
 
         /// <summary>
@@ -182,12 +189,15 @@ namespace OpenSim.Region.OptionalModules.ContentManagement
         /// </summary>
         public virtual void HideFromAll()
         {
-            foreach (SceneObjectPart part in m_Entity.Children.Values)
+            lock (m_Entity.Children)
             {
-                m_Entity.Scene.ForEachClient(
-                    delegate(IClientAPI controller)
-                    { controller.SendKillObject(m_Entity.RegionHandle, part.LocalId); }
-                );
+                foreach (SceneObjectPart part in m_Entity.Children.Values)
+                {
+                    m_Entity.Scene.ForEachClient(
+                        delegate(IClientAPI controller)
+                        { controller.SendKillObject(m_Entity.RegionHandle, part.LocalId); }
+                    );
+                }
             }
         }
 
diff --git a/OpenSim/Region/OptionalModules/Scripting/Minimodule/SOPObject.cs b/OpenSim/Region/OptionalModules/Scripting/Minimodule/SOPObject.cs
index 96cccb7..34171b0 100644
--- a/OpenSim/Region/OptionalModules/Scripting/Minimodule/SOPObject.cs
+++ b/OpenSim/Region/OptionalModules/Scripting/Minimodule/SOPObject.cs
@@ -185,14 +185,19 @@ namespace OpenSim.Region.OptionalModules.Scripting.Minimodule
             get
             {
                 SceneObjectPart my = GetSOP();
-                int total = my.ParentGroup.Children.Count;
-
-                IObject[] rets = new IObject[total];
-
-                int i = 0;
-                foreach (KeyValuePair<UUID, SceneObjectPart> pair in my.ParentGroup.Children)
+                IObject[] rets = null;
+                
+                lock (my.ParentGroup.Children)
                 {
-                    rets[i++] = new SOPObject(m_rootScene, pair.Value.LocalId, m_security);
+                    int total = my.ParentGroup.Children.Count;
+    
+                    rets = new IObject[total];
+    
+                    int i = 0;
+                    foreach (KeyValuePair<UUID, SceneObjectPart> pair in my.ParentGroup.Children)
+                    {
+                        rets[i++] = new SOPObject(m_rootScene, pair.Value.LocalId, m_security);
+                    }
                 }
 
                 return rets;
diff --git a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
index a407ef3..8381efa 100644
--- a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
+++ b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
@@ -293,7 +293,10 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
             {
             case ScriptBaseClass.LINK_SET:
                 if (m_host.ParentGroup != null)
-                    return new List<SceneObjectPart>(m_host.ParentGroup.Children.Values);
+                {
+                    lock (m_host.ParentGroup.Children)
+                        return new List<SceneObjectPart>(m_host.ParentGroup.Children.Values);
+                }
                 return ret;
 
             case ScriptBaseClass.LINK_ROOT:
@@ -308,7 +311,10 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
             case ScriptBaseClass.LINK_ALL_OTHERS:
                 if (m_host.ParentGroup ==  null)
                     return new List<SceneObjectPart>();
-                ret = new List<SceneObjectPart>(m_host.ParentGroup.Children.Values);
+                
+                lock (m_host.ParentGroup.Children)
+                    ret = new List<SceneObjectPart>(m_host.ParentGroup.Children.Values);
+                
                 if (ret.Contains(m_host))
                     ret.Remove(m_host);
                 return ret;
@@ -316,7 +322,10 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
             case ScriptBaseClass.LINK_ALL_CHILDREN:
                 if (m_host.ParentGroup ==  null)
                     return new List<SceneObjectPart>();
-                ret = new List<SceneObjectPart>(m_host.ParentGroup.Children.Values);
+                
+                lock (m_host.ParentGroup.Children)
+                    ret = new List<SceneObjectPart>(m_host.ParentGroup.Children.Values);
+                
                 if (ret.Contains(m_host.ParentGroup.RootPart))
                     ret.Remove(m_host.ParentGroup.RootPart);
                 return ret;
@@ -1272,12 +1281,16 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
                     if (group == null)
                         return;
                     bool allow = true;
-                    foreach (SceneObjectPart part in group.Children.Values)
+                    
+                    lock (group.Children)
                     {
-                        if (part.Scale.X > World.m_maxPhys || part.Scale.Y > World.m_maxPhys || part.Scale.Z > World.m_maxPhys)
+                        foreach (SceneObjectPart part in group.Children.Values)
                         {
-                            allow = false;
-                            break;
+                            if (part.Scale.X > World.m_maxPhys || part.Scale.Y > World.m_maxPhys || part.Scale.Z > World.m_maxPhys)
+                            {
+                                allow = false;
+                                break;
+                            }
                         }
                     }
 
@@ -3757,7 +3770,7 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
         {
             m_host.AddScriptLPS(1);
 
-            if (m_host.ParentGroup.Children.Count > 1)
+            if (m_host.ParentGroup.PrimCount > 1)
             {
                 return m_host.LinkNum;
             }
@@ -3878,15 +3891,18 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
                 case ScriptBaseClass.LINK_ALL_OTHERS:
                 case ScriptBaseClass.LINK_ALL_CHILDREN:
                 case ScriptBaseClass.LINK_THIS:
-                    foreach (SceneObjectPart part in parentPrim.Children.Values)
+                    lock (parentPrim.Children)
                     {
-                        if (part.UUID != m_host.UUID)
+                        foreach (SceneObjectPart part in parentPrim.Children.Values)
                         {
-                            childPrim = part;
-                            break;
+                            if (part.UUID != m_host.UUID)
+                            {
+                                childPrim = part;
+                                break;
+                            }
                         }
+                        break;
                     }
-                    break;
                 default:
                     childPrim = parentPrim.GetLinkNumPart(linknum);
                     if (childPrim.UUID == m_host.UUID)
@@ -3962,26 +3978,19 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
             if (parentPrim.RootPart.AttachmentPoint != 0)
                 return; // Fail silently if attached
 
-            List<SceneObjectPart> parts = new List<SceneObjectPart>(parentPrim.Children.Values);
-            parts.Remove(parentPrim.RootPart);
-            if (parts.Count > 0)
+            lock (parentPrim.Children)
             {
-                try
-                {
-                    parts[0].ParentGroup.areUpdatesSuspended = true;
-                    foreach (SceneObjectPart part in parts)
-                    {
-                        parentPrim.DelinkFromGroup(part.LocalId, true);
-                        parentPrim.TriggerScriptChangedEvent(Changed.LINK);
-                    }
-                }
-                finally
+                List<SceneObjectPart> parts = new List<SceneObjectPart>(parentPrim.Children.Values);
+                parts.Remove(parentPrim.RootPart);
+    
+                foreach (SceneObjectPart part in parts)
                 {
-                    parts[0].ParentGroup.areUpdatesSuspended = false;
+                    parentPrim.DelinkFromGroup(part.LocalId, true);
+                    parentPrim.TriggerScriptChangedEvent(Changed.LINK);
                 }
+                parentPrim.HasGroupChanged = true;
+                parentPrim.ScheduleGroupForFullUpdate();
             }
-            parentPrim.HasGroupChanged = true;
-            parentPrim.ScheduleGroupForFullUpdate();
         }
 
         public LSL_String llGetLinkKey(int linknum)
@@ -4545,7 +4554,7 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
                     {
                         partItemID = item.ItemID;
                         int linkNumber = m_host.LinkNum;
-                        if (m_host.ParentGroup.Children.Count == 1)
+                        if (m_host.ParentGroup.PrimCount == 1)
                             linkNumber = 0;
 
                         object[] resobj = new object[]
diff --git a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LS_Api.cs b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LS_Api.cs
index f0384f8..91e2c3b 100644
--- a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LS_Api.cs
+++ b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LS_Api.cs
@@ -1,3 +1,4 @@
+<<<<<<< HEAD:OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LS_Api.cs
 /*

  * Copyright (c) Contributors, http://opensimulator.org/

  * See CONTRIBUTORS.TXT for a full list of copyright holders.

@@ -505,3 +506,507 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
         

     }

 }

+=======
+/*
+ * Copyright (c) Contributors, http://opensimulator.org/
+ * See CONTRIBUTORS.TXT for a full list of copyright holders.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * Neither the name of the OpenSimulator Project nor the
+ *       names of its contributors may be used to endorse or promote products
+ *       derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+using System;
+using System.Reflection;
+using System.Collections;
+using System.Collections.Generic;
+using System.Runtime.Remoting.Lifetime;
+using OpenMetaverse;
+using Nini.Config;
+using OpenSim;
+using OpenSim.Framework;
+using OpenSim.Region.CoreModules.World.LightShare;
+using OpenSim.Region.Framework.Interfaces;
+using OpenSim.Region.Framework.Scenes;
+using OpenSim.Region.ScriptEngine.Shared;
+using OpenSim.Region.ScriptEngine.Shared.Api.Plugins;
+using OpenSim.Region.ScriptEngine.Shared.ScriptBase;
+using OpenSim.Region.ScriptEngine.Interfaces;
+using OpenSim.Region.ScriptEngine.Shared.Api.Interfaces;
+
+using LSL_Float = OpenSim.Region.ScriptEngine.Shared.LSL_Types.LSLFloat;
+using LSL_Integer = OpenSim.Region.ScriptEngine.Shared.LSL_Types.LSLInteger;
+using LSL_Key = OpenSim.Region.ScriptEngine.Shared.LSL_Types.LSLString;
+using LSL_List = OpenSim.Region.ScriptEngine.Shared.LSL_Types.list;
+using LSL_Rotation = OpenSim.Region.ScriptEngine.Shared.LSL_Types.Quaternion;
+using LSL_String = OpenSim.Region.ScriptEngine.Shared.LSL_Types.LSLString;
+using LSL_Vector = OpenSim.Region.ScriptEngine.Shared.LSL_Types.Vector3;
+
+namespace OpenSim.Region.ScriptEngine.Shared.Api
+{
+    [Serializable]
+    public class LS_Api : MarshalByRefObject, ILS_Api, IScriptApi
+    {
+        internal IScriptEngine m_ScriptEngine;
+        internal SceneObjectPart m_host;
+        internal uint m_localID;
+        internal UUID m_itemID;
+        internal bool m_LSFunctionsEnabled = false;
+        internal IScriptModuleComms m_comms = null;
+
+        public void Initialize(IScriptEngine ScriptEngine, SceneObjectPart host, uint localID, UUID itemID)
+        {
+            m_ScriptEngine = ScriptEngine;
+            m_host = host;
+            m_localID = localID;
+            m_itemID = itemID;
+
+            if (m_ScriptEngine.Config.GetBoolean("AllowLightShareFunctions", false))
+                m_LSFunctionsEnabled = true;
+
+            m_comms = m_ScriptEngine.World.RequestModuleInterface<IScriptModuleComms>();
+            if (m_comms == null)
+                m_LSFunctionsEnabled = false;
+        }
+
+        public override Object InitializeLifetimeService()
+        {
+            ILease lease = (ILease)base.InitializeLifetimeService();
+
+            if (lease.CurrentState == LeaseState.Initial)
+            {
+                lease.InitialLeaseTime = TimeSpan.FromMinutes(0);
+                //                lease.RenewOnCallTime = TimeSpan.FromSeconds(10.0);
+                //                lease.SponsorshipTimeout = TimeSpan.FromMinutes(1.0);
+            }
+            return lease;
+        }
+
+        public Scene World
+        {
+            get { return m_ScriptEngine.World; }
+        }
+
+        //
+        //Dumps an error message on the debug console.
+        //
+
+        internal void LSShoutError(string message)
+        {
+            if (message.Length > 1023)
+                message = message.Substring(0, 1023);
+
+            World.SimChat(Utils.StringToBytes(message),
+                          ChatTypeEnum.Shout, ScriptBaseClass.DEBUG_CHANNEL, m_host.ParentGroup.RootPart.AbsolutePosition, m_host.Name, m_host.UUID, true);
+
+            IWorldComm wComm = m_ScriptEngine.World.RequestModuleInterface<IWorldComm>();
+            wComm.DeliverMessage(ChatTypeEnum.Shout, ScriptBaseClass.DEBUG_CHANNEL, m_host.Name, m_host.UUID, message);
+        }
+
+        /// <summary>
+        /// Get the current Windlight scene
+        /// </summary>
+        /// <returns>List of windlight parameters</returns>
+        public LSL_List lsGetWindlightScene(LSL_List rules)
+        {
+            if (!m_LSFunctionsEnabled)
+            {
+                LSShoutError("LightShare functions are not enabled.");
+                return new LSL_List();
+            }
+            m_host.AddScriptLPS(1);
+            RegionLightShareData wl = m_host.ParentGroup.Scene.RegionInfo.WindlightSettings;
+
+            LSL_List values = new LSL_List();
+            int idx = 0;
+            while (idx < rules.Length)
+            {
+                uint rule = (uint)rules.GetLSLIntegerItem(idx);
+                LSL_List toadd = new LSL_List();
+
+                switch (rule)
+                {
+                    case (int)ScriptBaseClass.WL_AMBIENT:
+                        toadd.Add(new LSL_Rotation(wl.ambient.X, wl.ambient.Y, wl.ambient.Z, wl.ambient.W));
+                        break;
+                    case (int)ScriptBaseClass.WL_BIG_WAVE_DIRECTION:
+                        toadd.Add(new LSL_Vector(wl.bigWaveDirection.X, wl.bigWaveDirection.Y, 0.0f));
+                        break;
+                    case (int)ScriptBaseClass.WL_BLUE_DENSITY:
+                        toadd.Add(new LSL_Rotation(wl.blueDensity.X, wl.blueDensity.Y, wl.blueDensity.Z, wl.blueDensity.W));
+                        break;
+                    case (int)ScriptBaseClass.WL_BLUR_MULTIPLIER:
+                        toadd.Add(new LSL_Float(wl.blurMultiplier));
+                        break;
+                    case (int)ScriptBaseClass.WL_CLOUD_COLOR:
+                        toadd.Add(new LSL_Rotation(wl.cloudColor.X, wl.cloudColor.Y, wl.cloudColor.Z, wl.cloudColor.W));
+                        break;
+                    case (int)ScriptBaseClass.WL_CLOUD_COVERAGE:
+                        toadd.Add(new LSL_Float(wl.cloudCoverage));
+                        break;
+                    case (int)ScriptBaseClass.WL_CLOUD_DETAIL_XY_DENSITY:
+                        toadd.Add(new LSL_Vector(wl.cloudDetailXYDensity.X, wl.cloudDetailXYDensity.Y, wl.cloudDetailXYDensity.Z));
+                        break;
+                    case (int)ScriptBaseClass.WL_CLOUD_SCALE:
+                        toadd.Add(new LSL_Float(wl.cloudScale));
+                        break;
+                    case (int)ScriptBaseClass.WL_CLOUD_SCROLL_X:
+                        toadd.Add(new LSL_Float(wl.cloudScrollX));
+                        break;
+                    case (int)ScriptBaseClass.WL_CLOUD_SCROLL_X_LOCK:
+                        toadd.Add(new LSL_Integer(wl.cloudScrollXLock ? 1 : 0));
+                        break;
+                    case (int)ScriptBaseClass.WL_CLOUD_SCROLL_Y:
+                        toadd.Add(new LSL_Float(wl.cloudScrollY));
+                        break;
+                    case (int)ScriptBaseClass.WL_CLOUD_SCROLL_Y_LOCK:
+                        toadd.Add(new LSL_Integer(wl.cloudScrollYLock ? 1 : 0));
+                        break;
+                    case (int)ScriptBaseClass.WL_CLOUD_XY_DENSITY:
+                        toadd.Add(new LSL_Vector(wl.cloudXYDensity.X, wl.cloudXYDensity.Y, wl.cloudXYDensity.Z));
+                        break;
+                    case (int)ScriptBaseClass.WL_DENSITY_MULTIPLIER:
+                        toadd.Add(new LSL_Float(wl.densityMultiplier));
+                        break;
+                    case (int)ScriptBaseClass.WL_DISTANCE_MULTIPLIER:
+                        toadd.Add(new LSL_Float(wl.distanceMultiplier));
+                        break;
+                    case (int)ScriptBaseClass.WL_DRAW_CLASSIC_CLOUDS:
+                        toadd.Add(new LSL_Integer(wl.drawClassicClouds ? 1 : 0));
+                        break;
+                    case (int)ScriptBaseClass.WL_EAST_ANGLE:
+                        toadd.Add(new LSL_Float(wl.eastAngle));
+                        break;
+                    case (int)ScriptBaseClass.WL_FRESNEL_OFFSET:
+                        toadd.Add(new LSL_Float(wl.fresnelOffset));
+                        break;
+                    case (int)ScriptBaseClass.WL_FRESNEL_SCALE:
+                        toadd.Add(new LSL_Float(wl.fresnelScale));
+                        break;
+                    case (int)ScriptBaseClass.WL_HAZE_DENSITY:
+                        toadd.Add(new LSL_Float(wl.hazeDensity));
+                        break;
+                    case (int)ScriptBaseClass.WL_HAZE_HORIZON:
+                        toadd.Add(new LSL_Float(wl.hazeHorizon));
+                        break;
+                    case (int)ScriptBaseClass.WL_HORIZON:
+                        toadd.Add(new LSL_Rotation(wl.horizon.X, wl.horizon.Y, wl.horizon.Z, wl.horizon.W));
+                        break;
+                    case (int)ScriptBaseClass.WL_LITTLE_WAVE_DIRECTION:
+                        toadd.Add(new LSL_Vector(wl.littleWaveDirection.X, wl.littleWaveDirection.Y, 0.0f));
+                        break;
+                    case (int)ScriptBaseClass.WL_MAX_ALTITUDE:
+                        toadd.Add(new LSL_Integer(wl.maxAltitude));
+                        break;
+                    case (int)ScriptBaseClass.WL_NORMAL_MAP_TEXTURE:
+                        toadd.Add(new LSL_Key(wl.normalMapTexture.ToString()));
+                        break;
+                    case (int)ScriptBaseClass.WL_REFLECTION_WAVELET_SCALE:
+                        toadd.Add(new LSL_Vector(wl.reflectionWaveletScale.X, wl.reflectionWaveletScale.Y, wl.reflectionWaveletScale.Z));
+                        break;
+                    case (int)ScriptBaseClass.WL_REFRACT_SCALE_ABOVE:
+                        toadd.Add(new LSL_Float(wl.refractScaleAbove));
+                        break;
+                    case (int)ScriptBaseClass.WL_REFRACT_SCALE_BELOW:
+                        toadd.Add(new LSL_Float(wl.refractScaleBelow));
+                        break;
+                    case (int)ScriptBaseClass.WL_SCENE_GAMMA:
+                        toadd.Add(new LSL_Float(wl.sceneGamma));
+                        break;
+                    case (int)ScriptBaseClass.WL_STAR_BRIGHTNESS:
+                        toadd.Add(new LSL_Float(wl.starBrightness));
+                        break;
+                    case (int)ScriptBaseClass.WL_SUN_GLOW_FOCUS:
+                        toadd.Add(new LSL_Float(wl.sunGlowFocus));
+                        break;
+                    case (int)ScriptBaseClass.WL_SUN_GLOW_SIZE:
+                        toadd.Add(new LSL_Float(wl.sunGlowSize));
+                        break;
+                    case (int)ScriptBaseClass.WL_SUN_MOON_COLOR:
+                        toadd.Add(new LSL_Rotation(wl.sunMoonColor.X, wl.sunMoonColor.Y, wl.sunMoonColor.Z, wl.sunMoonColor.W));
+                        break;
+                    case (int)ScriptBaseClass.WL_UNDERWATER_FOG_MODIFIER:
+                        toadd.Add(new LSL_Float(wl.underwaterFogModifier));
+                        break;
+                    case (int)ScriptBaseClass.WL_WATER_COLOR:
+                        toadd.Add(new LSL_Vector(wl.waterColor.X, wl.waterColor.Y, wl.waterColor.Z));
+                        break;
+                    case (int)ScriptBaseClass.WL_WATER_FOG_DENSITY_EXPONENT:
+                        toadd.Add(new LSL_Float(wl.waterFogDensityExponent));
+                        break;
+                }
+
+                if (toadd.Length > 0)
+                {
+                    values.Add(rule);
+                    values.Add(toadd.Data[0]);
+                }
+                idx++;
+            }
+
+            return values;
+        }
+
+        private RegionLightShareData getWindlightProfileFromRules(LSL_List rules)
+        {
+            RegionLightShareData wl = (RegionLightShareData)m_host.ParentGroup.Scene.RegionInfo.WindlightSettings.Clone();
+
+//            LSL_List values = new LSL_List();
+            int idx = 0;
+            while (idx < rules.Length)
+            {
+                uint rule = (uint)rules.GetLSLIntegerItem(idx);
+                LSL_Types.Quaternion iQ;
+                LSL_Types.Vector3 iV;
+                switch (rule)
+                {
+                    case (int)ScriptBaseClass.WL_SUN_MOON_POSITION:
+                        idx++;
+                        wl.sunMoonPosition = (float)rules.GetLSLFloatItem(idx);
+                        break;
+                    case (int)ScriptBaseClass.WL_AMBIENT:
+                        idx++;
+                        iQ = rules.GetQuaternionItem(idx);
+                        wl.ambient = new Vector4((float)iQ.x, (float)iQ.y, (float)iQ.z, (float)iQ.s);
+                        break;
+                    case (int)ScriptBaseClass.WL_BIG_WAVE_DIRECTION:
+                        idx++;
+                        iV = rules.GetVector3Item(idx);
+                        wl.bigWaveDirection = new Vector2((float)iV.x, (float)iV.y);
+                        break;
+                    case (int)ScriptBaseClass.WL_BLUE_DENSITY:
+                        idx++;
+                        iQ = rules.GetQuaternionItem(idx);
+                        wl.blueDensity = new Vector4((float)iQ.x, (float)iQ.y, (float)iQ.z, (float)iQ.s);
+                        break;
+                    case (int)ScriptBaseClass.WL_BLUR_MULTIPLIER:
+                        idx++;
+                        wl.blurMultiplier = (float)rules.GetLSLFloatItem(idx);
+                        break;
+                    case (int)ScriptBaseClass.WL_CLOUD_COLOR:
+                        idx++;
+                        iQ = rules.GetQuaternionItem(idx);
+                        wl.cloudColor = new Vector4((float)iQ.x, (float)iQ.y, (float)iQ.z, (float)iQ.s);
+                        break;
+                    case (int)ScriptBaseClass.WL_CLOUD_COVERAGE:
+                        idx++;
+                        wl.cloudCoverage = (float)rules.GetLSLFloatItem(idx);
+                        break;
+                    case (int)ScriptBaseClass.WL_CLOUD_DETAIL_XY_DENSITY:
+                        idx++;
+                        iV = rules.GetVector3Item(idx);
+                        wl.cloudDetailXYDensity = new Vector3((float)iV.x, (float)iV.y, (float)iV.z);
+                        break;
+                    case (int)ScriptBaseClass.WL_CLOUD_SCALE:
+                        idx++;
+                        wl.cloudScale = (float)rules.GetLSLFloatItem(idx);
+                        break;
+                    case (int)ScriptBaseClass.WL_CLOUD_SCROLL_X:
+                        idx++;
+                        wl.cloudScrollX = (float)rules.GetLSLFloatItem(idx);
+                        break;
+                    case (int)ScriptBaseClass.WL_CLOUD_SCROLL_X_LOCK:
+                        idx++;
+                        wl.cloudScrollXLock = rules.GetLSLIntegerItem(idx).value == 1 ? true : false;
+                        break;
+                    case (int)ScriptBaseClass.WL_CLOUD_SCROLL_Y:
+                        idx++;
+                        wl.cloudScrollY = (float)rules.GetLSLFloatItem(idx);
+                        break;
+                    case (int)ScriptBaseClass.WL_CLOUD_SCROLL_Y_LOCK:
+                        idx++;
+                        wl.cloudScrollYLock = rules.GetLSLIntegerItem(idx).value == 1 ? true : false;
+                        break;
+                    case (int)ScriptBaseClass.WL_CLOUD_XY_DENSITY:
+                        idx++;
+                        iV = rules.GetVector3Item(idx);
+                        wl.cloudXYDensity = new Vector3((float)iV.x, (float)iV.y, (float)iV.z);
+                        break;
+                    case (int)ScriptBaseClass.WL_DENSITY_MULTIPLIER:
+                        idx++;
+                        wl.densityMultiplier = (float)rules.GetLSLFloatItem(idx);
+                        break;
+                    case (int)ScriptBaseClass.WL_DISTANCE_MULTIPLIER:
+                        idx++;
+                        wl.distanceMultiplier = (float)rules.GetLSLFloatItem(idx);
+                        break;
+                    case (int)ScriptBaseClass.WL_DRAW_CLASSIC_CLOUDS:
+                        idx++;
+                        wl.drawClassicClouds = rules.GetLSLIntegerItem(idx).value == 1 ? true : false;
+                        break;
+                    case (int)ScriptBaseClass.WL_EAST_ANGLE:
+                        idx++;
+                        wl.eastAngle = (float)rules.GetLSLFloatItem(idx);
+                        break;
+                    case (int)ScriptBaseClass.WL_FRESNEL_OFFSET:
+                        idx++;
+                        wl.fresnelOffset = (float)rules.GetLSLFloatItem(idx);
+                        break;
+                    case (int)ScriptBaseClass.WL_FRESNEL_SCALE:
+                        idx++;
+                        wl.fresnelScale = (float)rules.GetLSLFloatItem(idx);
+                        break;
+                    case (int)ScriptBaseClass.WL_HAZE_DENSITY:
+                        idx++;
+                        wl.hazeDensity = (float)rules.GetLSLFloatItem(idx);
+                        break;
+                    case (int)ScriptBaseClass.WL_HAZE_HORIZON:
+                        idx++;
+                        wl.hazeHorizon = (float)rules.GetLSLFloatItem(idx);
+                        break;
+                    case (int)ScriptBaseClass.WL_HORIZON:
+                        idx++;
+                        iQ = rules.GetQuaternionItem(idx);
+                        wl.horizon = new Vector4((float)iQ.x, (float)iQ.y, (float)iQ.z, (float)iQ.s);
+                        break;
+                    case (int)ScriptBaseClass.WL_LITTLE_WAVE_DIRECTION:
+                        idx++;
+                        iV = rules.GetVector3Item(idx);
+                        wl.littleWaveDirection = new Vector2((float)iV.x, (float)iV.y);
+                        break;
+                    case (int)ScriptBaseClass.WL_MAX_ALTITUDE:
+                        idx++;
+                        wl.maxAltitude = (ushort)rules.GetLSLIntegerItem(idx).value;
+                        break;
+                    case (int)ScriptBaseClass.WL_NORMAL_MAP_TEXTURE:
+                        idx++;
+                        wl.normalMapTexture = new UUID(rules.GetLSLStringItem(idx).m_string);
+                        break;
+                    case (int)ScriptBaseClass.WL_REFLECTION_WAVELET_SCALE:
+                        idx++;
+                        iV = rules.GetVector3Item(idx);
+                        wl.reflectionWaveletScale = new Vector3((float)iV.x, (float)iV.y, (float)iV.z);
+                        break;
+                    case (int)ScriptBaseClass.WL_REFRACT_SCALE_ABOVE:
+                        idx++;
+                        wl.refractScaleAbove = (float)rules.GetLSLFloatItem(idx);
+                        break;
+                    case (int)ScriptBaseClass.WL_REFRACT_SCALE_BELOW:
+                        idx++;
+                        wl.refractScaleBelow = (float)rules.GetLSLFloatItem(idx);
+                        break;
+                    case (int)ScriptBaseClass.WL_SCENE_GAMMA:
+                        idx++;
+                        wl.sceneGamma = (float)rules.GetLSLFloatItem(idx);
+                        break;
+                    case (int)ScriptBaseClass.WL_STAR_BRIGHTNESS:
+                        idx++;
+                        wl.starBrightness = (float)rules.GetLSLFloatItem(idx);
+                        break;
+                    case (int)ScriptBaseClass.WL_SUN_GLOW_FOCUS:
+                        idx++;
+                        wl.sunGlowFocus = (float)rules.GetLSLFloatItem(idx);
+                        break;
+                    case (int)ScriptBaseClass.WL_SUN_GLOW_SIZE:
+                        idx++;
+                        wl.sunGlowSize = (float)rules.GetLSLFloatItem(idx);
+                        break;
+                    case (int)ScriptBaseClass.WL_SUN_MOON_COLOR:
+                        idx++;
+                        iQ = rules.GetQuaternionItem(idx);
+                        wl.sunMoonColor = new Vector4((float)iQ.x, (float)iQ.y, (float)iQ.z, (float)iQ.s);
+                        break;
+                    case (int)ScriptBaseClass.WL_UNDERWATER_FOG_MODIFIER:
+                        idx++;
+                        wl.underwaterFogModifier = (float)rules.GetLSLFloatItem(idx);
+                        break;
+                    case (int)ScriptBaseClass.WL_WATER_COLOR:
+                        idx++;
+                        iV = rules.GetVector3Item(idx);
+                        wl.waterColor = new Vector3((float)iV.x, (float)iV.y, (float)iV.z);
+                        break;
+                    case (int)ScriptBaseClass.WL_WATER_FOG_DENSITY_EXPONENT:
+                        idx++;
+                        wl.waterFogDensityExponent = (float)rules.GetLSLFloatItem(idx);
+                        break;
+                }
+                idx++;
+            }
+            return wl;
+        }
+        /// <summary>
+        /// Set the current Windlight scene
+        /// </summary>
+        /// <param name="rules"></param>
+        /// <returns>success: true or false</returns>
+        public int lsSetWindlightScene(LSL_List rules)
+        {
+            if (!m_LSFunctionsEnabled)
+            {
+                LSShoutError("LightShare functions are not enabled.");
+                return 0;
+            }
+            if (!World.RegionInfo.EstateSettings.IsEstateManager(m_host.OwnerID) && World.GetScenePresence(m_host.OwnerID).GodLevel < 200)
+            {
+                LSShoutError("lsSetWindlightScene can only be used by estate managers or owners.");
+                return 0;
+            }
+            int success = 0;
+            m_host.AddScriptLPS(1);
+            if (LightShareModule.EnableWindlight)
+            {
+                RegionLightShareData wl = getWindlightProfileFromRules(rules);
+                m_host.ParentGroup.Scene.StoreWindlightProfile(wl);
+                success = 1;
+            }
+            else
+            {
+                LSShoutError("Windlight module is disabled");
+                return 0;
+            }
+            return success;
+        }
+        /// <summary>
+        /// Set the current Windlight scene to a target avatar
+        /// </summary>
+        /// <param name="rules"></param>
+        /// <returns>success: true or false</returns>
+        public int lsSetWindlightSceneTargeted(LSL_List rules, LSL_Key target)
+        {
+            if (!m_LSFunctionsEnabled)
+            {
+                LSShoutError("LightShare functions are not enabled.");
+                return 0;
+            }
+            if (!World.RegionInfo.EstateSettings.IsEstateManager(m_host.OwnerID) && World.GetScenePresence(m_host.OwnerID).GodLevel < 200)
+            {
+                LSShoutError("lsSetWindlightSceneTargeted can only be used by estate managers or owners.");
+                return 0;
+            }
+            int success = 0;
+            m_host.AddScriptLPS(1);
+            if (LightShareModule.EnableWindlight)
+            { 
+                RegionLightShareData wl = getWindlightProfileFromRules(rules);
+                World.EventManager.TriggerOnSendNewWindlightProfileTargeted(wl, new UUID(target.m_string));
+                success = 1;
+            }
+            else
+            {
+                LSShoutError("Windlight module is disabled");
+                return 0;
+            }
+            return success;
+        }
+        
+    }
+}
+>>>>>>> master:OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LS_Api.cs
diff --git a/OpenSim/Region/ScriptEngine/Shared/Helpers.cs b/OpenSim/Region/ScriptEngine/Shared/Helpers.cs
index 4855d64..41501f2 100644
--- a/OpenSim/Region/ScriptEngine/Shared/Helpers.cs
+++ b/OpenSim/Region/ScriptEngine/Shared/Helpers.cs
@@ -209,12 +209,15 @@ namespace OpenSim.Region.ScriptEngine.Shared
             else
                 Type = 0x02; // Passive
 
-            foreach (SceneObjectPart p in part.ParentGroup.Children.Values)
+            lock (part.ParentGroup.Children)
             {
-                if (p.Inventory.ContainsScripts())
+                foreach (SceneObjectPart p in part.ParentGroup.Children.Values)
                 {
-                    Type |= 0x08; // Scripted
-                    break;
+                    if (p.Inventory.ContainsScripts())
+                    {
+                        Type |= 0x08; // Scripted
+                        break;
+                    }
                 }
             }