Fix physics proxy regeneration when a mesh with more than one submesh is resized

Addresses http://opensimulator.org/mantis/view.php?id=5584

OpenSim/Region/Framework/Scenes/SceneObjectGroup.cs

@@ -2662,13 +2662,18 @@ namespace OpenSim.Region.Framework.Scenes
             SceneObjectPart part = GetChildPart(localID);
             if (part != null)
             {
+//                m_log.DebugFormat(
+//                    "[SCENE OBJECT GROUP]: Group resizing {0} {1} from {2} to {3}", Name, localID, part.Scale, scale);
+
                 part.IgnoreUndoUpdate = true;
+
                 if (scale.X > m_scene.m_maxNonphys)
                     scale.X = m_scene.m_maxNonphys;
                 if (scale.Y > m_scene.m_maxNonphys)
                     scale.Y = m_scene.m_maxNonphys;
                 if (scale.Z > m_scene.m_maxNonphys)
                     scale.Z = m_scene.m_maxNonphys;
+
                 if (part.PhysActor != null && part.PhysActor.IsPhysical)
                 {
                     if (scale.X > m_scene.m_maxPhys)
@@ -2780,7 +2785,14 @@ namespace OpenSim.Region.Framework.Scenes
                         newSize.Z *= z;
                         obPart.Resize(newSize);
                         obPart.UpdateOffSet(currentpos);
+
+                        if (obPart.PhysActor != null)
+                        {
+                            obPart.PhysActor.Size = newSize;
+                            m_scene.PhysicsScene.AddPhysicsActorTaint(obPart.PhysActor);
+                        }
                     }
+
                     obPart.IgnoreUndoUpdate = false;
                     obPart.StoreUndoState();
                 }

OpenSim/Region/Framework/Scenes/SceneObjectPart.cs

@@ -2839,6 +2839,8 @@ namespace OpenSim.Region.Framework.Scenes
         /// <param name="scale"></param>
         public void Resize(Vector3 scale)
         {
+//            m_log.DebugFormat("[SCENE OBJECT PART]: Resizing {0} {1} to {2}", Name, LocalId, scale);
+
             StoreUndoState();
             m_shape.Scale = scale;
 
@@ -2976,6 +2978,11 @@ namespace OpenSim.Region.Framework.Scenes
             }
         }
 
+        /// <summary>
+        /// Sets sculpt and mesh data, and tells the physics engine to process the change.
+        /// </summary>
+        /// <param name="textureID">Texture id of the mesh.  XXX: Redundant since this is also in AssetBase</param>
+        /// <param name="texture">The mesh itself.</param>
         public void SculptTextureCallback(UUID textureID, AssetBase texture)
         {
             if (m_shape.SculptEntry)
@@ -4613,7 +4620,7 @@ namespace OpenSim.Region.Framework.Scenes
         /// </remarks>
         public void CheckSculptAndLoad()
         {
-//            m_log.Debug("Processing CheckSculptAndLoad for {0} {1}", Name, LocalId);
+//            m_log.DebugFormat("Processing CheckSculptAndLoad for {0} {1}", Name, LocalId);
 
             if (ParentGroup.IsDeleted)
                 return;

OpenSim/Region/Physics/Meshing/Meshmerizer.cs

@@ -303,6 +303,10 @@ namespace OpenSim.Region.Physics.Meshing
 
         private Mesh CreateMeshFromPrimMesher(string primName, PrimitiveBaseShape primShape, Vector3 size, float lod)
         {
+//            m_log.DebugFormat(
+//                "[MESH]: Creating physics proxy for {0}, shape {1}",
+//                primName, (OpenMetaverse.SculptType)primShape.SculptType);
+
             PrimMesh primMesh;
             PrimMesher.SculptMesh sculptMesh;
 
@@ -668,7 +672,6 @@ namespace OpenSim.Region.Physics.Meshing
 
             // If this mesh has been created already, return it instead of creating another copy
             // For large regions with 100k+ prims and hundreds of copies of each, this can save a GB or more of memory
-
             key = GetMeshKey(primShape, size, lod);
             if (m_uniqueMeshes.TryGetValue(key, out mesh))
                 return mesh;

OpenSim/Region/Physics/OdePlugin/ODEPrim.cs

@@ -2284,6 +2284,7 @@ Console.WriteLine("changeshape not need meshing");
                 if (value.IsFinite())
                 {
                     _size = value;
+//                    m_log.DebugFormat("[PHYSICS]: Set size on {0} to {1}", Name, value);
                 }
                 else
                 {