Needs testing.

1. Fixed Update Lock (should now compile)
2. Added support for rescaling a primitive without it jerking to the side.

OpenSim.RegionServer/SimClient.cs

@@ -735,8 +735,9 @@ namespace OpenSim
                             {
                                 NeedAck.Add(Pack.Header.Sequence, Pack);
                             }
-                            catch (Exception e)
+                            catch (Exception e) // HACKY
                             {
+                                e.ToString();
                                 // Ignore
                                 // Seems to throw a exception here occasionally
                                 // of 'duplicate key' despite being locked.

OpenSim.RegionServer/world/Primitive.cs

@@ -52,7 +52,14 @@ namespace OpenSim.world
         {
             set
             {
+                LLVector3 offset = (value - primData.Scale);
+                offset.X /= 2;
+                offset.Y /= 2;
+                offset.Z /= 2;
+
+                this.primData.Position += offset;
                 this.primData.Scale = value;
+                
                 this.dirtyFlag = true;
             }
             get

OpenSim.RegionServer/world/World.cs

@@ -41,7 +41,7 @@ namespace OpenSim.world
         private string m_regionName;
         private InventoryCache _inventoryCache;
         private AssetCache _assetCache;
-        private int updateLock;
+        private Object updateLock;
 
         /// <summary>
         /// Creates a new World class, and a region to go with it.
@@ -53,7 +53,7 @@ namespace OpenSim.world
         {
             try
             {
-                updateLock = 0;
+                updateLock = null;
                 m_clientThreads = clientThreads;
                 m_regionHandle = regionHandle;
                 m_regionName = regionName;