Merge branch 'master' into diva-textures

13 files changed, 341 insertions, 263 deletions

diff --git a/OpenSim/Region/Physics/BulletDotNETPlugin/BulletDotNETPrim.cs b/OpenSim/Region/Physics/BulletDotNETPlugin/BulletDotNETPrim.cs
index 7ab8b98..f22ea71 100644
--- a/OpenSim/Region/Physics/BulletDotNETPlugin/BulletDotNETPrim.cs
+++ b/OpenSim/Region/Physics/BulletDotNETPlugin/BulletDotNETPrim.cs
@@ -204,7 +204,7 @@ namespace OpenSim.Region.Physics.BulletDotNETPlugin
             tempAngularVelocity2 = new btVector3(0, 0, 0);
             tempInertia1 = new btVector3(0, 0, 0);
             tempInertia2 = new btVector3(0, 0, 0);
-            tempOrientation1 = new btQuaternion(0,0,0,1);
+            tempOrientation1 = new btQuaternion(0, 0, 0, 1);
             tempOrientation2 = new btQuaternion(0, 0, 0, 1);
             _parent_scene = parent_scene;
             tempTransform1 = new btTransform(_parent_scene.QuatIdentity, _parent_scene.VectorZero);
@@ -216,10 +216,10 @@ namespace OpenSim.Region.Physics.BulletDotNETPlugin
             tempMotionState2 = new btDefaultMotionState(_parent_scene.TransZero);
             tempMotionState3 = new btDefaultMotionState(_parent_scene.TransZero);
 
-            
+
             AxisLockLinearLow = new btVector3(-1 * (int)Constants.RegionSize, -1 * (int)Constants.RegionSize, -1 * (int)Constants.RegionSize);
-            int regionsize = (int) Constants.RegionSize;
-            
+            int regionsize = (int)Constants.RegionSize;
+
             if (regionsize == 256)
                 regionsize = 512;
 
@@ -611,7 +611,7 @@ namespace OpenSim.Region.Physics.BulletDotNETPlugin
             DisableAxisMotor();
             DisposeOfBody();
             SetCollisionShape(null);
-           
+
             if (tempMotionState3 != null && tempMotionState3.Handle != IntPtr.Zero)
             {
                 tempMotionState3.Dispose();
@@ -677,8 +677,8 @@ namespace OpenSim.Region.Physics.BulletDotNETPlugin
                 tempInertia2.Dispose();
                 tempInertia1 = null;
             }
-            
-            
+
+
             if (tempAngularVelocity2 != null && tempAngularVelocity2.Handle != IntPtr.Zero)
             {
                 tempAngularVelocity2.Dispose();
@@ -802,7 +802,7 @@ namespace OpenSim.Region.Physics.BulletDotNETPlugin
                 changesize(timestep);
             }
 
-        //
+            //
 
             if (m_taintshape)
             {
@@ -1001,7 +1001,7 @@ namespace OpenSim.Region.Physics.BulletDotNETPlugin
             else
                 SetBody(0);
             changeSelectedStatus(timestep);
-            
+
             resetCollisionAccounting();
             m_taintPhysics = m_isphysical;
         }
@@ -1012,7 +1012,7 @@ namespace OpenSim.Region.Physics.BulletDotNETPlugin
         {
             if (_parent_scene.needsMeshing(_pbs))
             {
-                ProcessGeomCreationAsTriMesh(PhysicsVector.Zero,Quaternion.Identity);
+                ProcessGeomCreationAsTriMesh(PhysicsVector.Zero, Quaternion.Identity);
                 // createmesh returns null when it doesn't mesh.
                 CreateGeom(IntPtr.Zero, _mesh);
             }
@@ -1038,32 +1038,32 @@ namespace OpenSim.Region.Physics.BulletDotNETPlugin
                 meshlod = _parent_scene.MeshSculptphysicalLOD;
 
             IMesh mesh = _parent_scene.mesher.CreateMesh(SOPName, _pbs, _size, meshlod, IsPhysical);
-            if (!positionOffset.IsIdentical(PhysicsVector.Zero,0.001f) || orientation != Quaternion.Identity)
+            if (!positionOffset.IsIdentical(PhysicsVector.Zero, 0.001f) || orientation != Quaternion.Identity)
             {
-                
-                    float[] xyz = new float[3];
-                    xyz[0] = positionOffset.X;
-                    xyz[1] = positionOffset.Y;
-                    xyz[2] = positionOffset.Z;
-
-                    Matrix4 m4 = Matrix4.CreateFromQuaternion(orientation);
-
-                    float[,] matrix = new float[3,3];
-
-                    matrix[0, 0] = m4.M11;
-                    matrix[0, 1] = m4.M12;
-                    matrix[0, 2] = m4.M13;
-                    matrix[1, 0] = m4.M21;
-                    matrix[1, 1] = m4.M22;
-                    matrix[1, 2] = m4.M23;
-                    matrix[2, 0] = m4.M31;
-                    matrix[2, 1] = m4.M32;
-                    matrix[2, 2] = m4.M33;
-
-                    
-                    mesh.TransformLinear(matrix, xyz);
-                    
-                
+
+                float[] xyz = new float[3];
+                xyz[0] = positionOffset.X;
+                xyz[1] = positionOffset.Y;
+                xyz[2] = positionOffset.Z;
+
+                Matrix4 m4 = Matrix4.CreateFromQuaternion(orientation);
+
+                float[,] matrix = new float[3, 3];
+
+                matrix[0, 0] = m4.M11;
+                matrix[0, 1] = m4.M12;
+                matrix[0, 2] = m4.M13;
+                matrix[1, 0] = m4.M21;
+                matrix[1, 1] = m4.M22;
+                matrix[1, 2] = m4.M23;
+                matrix[2, 0] = m4.M31;
+                matrix[2, 1] = m4.M32;
+                matrix[2, 2] = m4.M33;
+
+
+                mesh.TransformLinear(matrix, xyz);
+
+
 
             }
 
@@ -1088,12 +1088,12 @@ namespace OpenSim.Region.Physics.BulletDotNETPlugin
             SetCollisionShape(null);
             // Construction of new prim
             ProcessGeomCreation();
-            
+
             if (IsPhysical)
                 SetBody(Mass);
             else
                 SetBody(0);
-            
+
             m_taintsize = _size;
 
         }
@@ -1136,7 +1136,7 @@ namespace OpenSim.Region.Physics.BulletDotNETPlugin
                 //prim_geom = IntPtr.Zero;
                 m_log.Error("[PHYSICS]: PrimGeom dead");
             }
-            
+
             // we don't need to do space calculation because the client sends a position update also.
             if (_size.X <= 0) _size.X = 0.01f;
             if (_size.Y <= 0) _size.Y = 0.01f;
@@ -1153,8 +1153,8 @@ namespace OpenSim.Region.Physics.BulletDotNETPlugin
                 tempTransform1.Dispose();
             tempTransform1 = new btTransform(tempOrientation1, tempPosition1);
 
-            
-            
+
+
 
             //d.GeomBoxSetLengths(prim_geom, _size.X, _size.Y, _size.Z);
             if (IsPhysical)
@@ -1162,7 +1162,7 @@ namespace OpenSim.Region.Physics.BulletDotNETPlugin
                 SetBody(Mass);
                 // Re creates body on size.
                 // EnableBody also does setMass()
-               
+
             }
             else
             {
@@ -1179,7 +1179,7 @@ namespace OpenSim.Region.Physics.BulletDotNETPlugin
                 }
             }
             resetCollisionAccounting();
-            
+
             m_taintshape = false;
         }
 
@@ -1291,7 +1291,7 @@ namespace OpenSim.Region.Physics.BulletDotNETPlugin
             {
                 Body.setCollisionFlags((int)ContactFlags.CF_NO_CONTACT_RESPONSE);
                 disableBodySoft();
-                
+
             }
             else
             {
@@ -1299,7 +1299,7 @@ namespace OpenSim.Region.Physics.BulletDotNETPlugin
                 enableBodySoft();
             }
             m_isSelected = m_taintselected;
-            
+
         }
 
         private void changevelocity(float timestep)
@@ -1368,7 +1368,7 @@ namespace OpenSim.Region.Physics.BulletDotNETPlugin
             _parent = m_taintparent;
 
             m_taintPhysics = m_isphysical;
-            
+
         }
 
         private void changefloatonwater(float timestep)
@@ -1627,7 +1627,7 @@ namespace OpenSim.Region.Physics.BulletDotNETPlugin
             {
                 if (m_zeroPosition == null)
                     m_zeroPosition = new PhysicsVector(0, 0, 0);
-                 m_zeroPosition.setValues(_position.X,_position.Y,_position.Z);
+                m_zeroPosition.setValues(_position.X, _position.Y, _position.Z);
                 return;
             }
         }
@@ -1981,7 +1981,7 @@ namespace OpenSim.Region.Physics.BulletDotNETPlugin
                 //_mesh = _parent_scene.mesher.CreateMesh(m_primName, _pbs, _size, _parent_scene.meshSculptLOD, IsPhysical);
                 _mesh = p_mesh;
                 setMesh(_parent_scene, _mesh);
-                
+
             }
             else
             {
@@ -1994,15 +1994,15 @@ namespace OpenSim.Region.Physics.BulletDotNETPlugin
                             //SetGeom to a Regular Sphere
                             if (tempSize1 == null)
                                 tempSize1 = new btVector3(0, 0, 0);
-                            tempSize1.setValue(_size.X * 0.5f,_size.Y * 0.5f, _size.Z * 0.5f);
-                            SetCollisionShape(new btSphereShape(_size.X*0.5f));
+                            tempSize1.setValue(_size.X * 0.5f, _size.Y * 0.5f, _size.Z * 0.5f);
+                            SetCollisionShape(new btSphereShape(_size.X * 0.5f));
                         }
                         else
                         {
                             // uses halfextents
                             if (tempSize1 == null)
                                 tempSize1 = new btVector3(0, 0, 0);
-                            tempSize1.setValue(_size.X*0.5f, _size.Y*0.5f, _size.Z*0.5f);
+                            tempSize1.setValue(_size.X * 0.5f, _size.Y * 0.5f, _size.Z * 0.5f);
                             SetCollisionShape(new btBoxShape(tempSize1));
                         }
                     }
@@ -2052,14 +2052,24 @@ namespace OpenSim.Region.Physics.BulletDotNETPlugin
                 }
             }
 
+            //IMesh oldMesh = primMesh;
+
+            //primMesh = mesh;
+
+            //float[] vertexList = primMesh.getVertexListAsFloatLocked(); // Note, that vertextList is pinned in memory
+            //int[] indexList = primMesh.getIndexListAsIntLocked(); // Also pinned, needs release after usage
+            ////Array.Reverse(indexList);
+            //primMesh.releaseSourceMeshData(); // free up the original mesh data to save memory
+
             IMesh oldMesh = primMesh;
 
             primMesh = mesh;
-            
-            float[] vertexList = primMesh.getVertexListAsFloatLocked(); // Note, that vertextList is pinned in memory
-            int[] indexList = primMesh.getIndexListAsIntLocked(); // Also pinned, needs release after usage
+
+            float[] vertexList = mesh.getVertexListAsFloatLocked(); // Note, that vertextList is pinned in memory
+            int[] indexList = mesh.getIndexListAsIntLocked(); // Also pinned, needs release after usage
             //Array.Reverse(indexList);
-            primMesh.releaseSourceMeshData(); // free up the original mesh data to save memory
+            mesh.releaseSourceMeshData(); // free up the original mesh data to save memory
+
 
             int VertexCount = vertexList.GetLength(0) / 3;
             int IndexCount = indexList.GetLength(0);
@@ -2068,17 +2078,17 @@ namespace OpenSim.Region.Physics.BulletDotNETPlugin
                 btshapeArray.Dispose();
             //Array.Reverse(indexList);
             btshapeArray = new btTriangleIndexVertexArray(IndexCount / 3, indexList, (3 * sizeof(int)),
-                                                                                     VertexCount, vertexList, 3*sizeof (float));
+                                                                                     VertexCount, vertexList, 3 * sizeof(float));
             SetCollisionShape(new btGImpactMeshShape(btshapeArray));
             //((btGImpactMeshShape) prim_geom).updateBound();
-            ((btGImpactMeshShape)prim_geom).setLocalScaling(new btVector3(1,1, 1));
+            ((btGImpactMeshShape)prim_geom).setLocalScaling(new btVector3(1, 1, 1));
             ((btGImpactMeshShape)prim_geom).updateBound();
             _parent_scene.SetUsingGImpact();
-            if (oldMesh != null)
-            {
-                oldMesh.releasePinned();
-                oldMesh = null;
-            }
+            //if (oldMesh != null)
+            //{
+            //    oldMesh.releasePinned();
+            //    oldMesh = null;
+            //}
 
         }
 
@@ -2102,7 +2112,7 @@ namespace OpenSim.Region.Physics.BulletDotNETPlugin
             }
              */
             prim_geom = shape;
-           
+
             //Body.set
         }
 
@@ -2143,8 +2153,8 @@ namespace OpenSim.Region.Physics.BulletDotNETPlugin
 
                 if (prim_geom is btGImpactMeshShape)
                 {
-                    ((btGImpactMeshShape) prim_geom).setLocalScaling(new btVector3(1, 1, 1));
-                    ((btGImpactMeshShape) prim_geom).updateBound();
+                    ((btGImpactMeshShape)prim_geom).setLocalScaling(new btVector3(1, 1, 1));
+                    ((btGImpactMeshShape)prim_geom).updateBound();
                 }
                 //Body.setCollisionFlags(Body.getCollisionFlags() | (int)ContactFlags.CF_CUSTOM_MATERIAL_CALLBACK);
                 //Body.setUserPointer((IntPtr) (int)m_localID);
@@ -2159,7 +2169,7 @@ namespace OpenSim.Region.Physics.BulletDotNETPlugin
                     {
                         if (chld == null)
                             continue;
-                        
+
                         // if (chld.NeedsMeshing())
                         //     hasTrimesh = true;
                     }
@@ -2167,40 +2177,40 @@ namespace OpenSim.Region.Physics.BulletDotNETPlugin
 
                 //if (hasTrimesh)
                 //{
-                    ProcessGeomCreationAsTriMesh(PhysicsVector.Zero, Quaternion.Identity);
-                    // createmesh returns null when it doesn't mesh.
-                    
-                    /*
-                    if (_mesh is Mesh)
-                    {
-                    }
-                    else
-                    {
-                        m_log.Warn("[PHYSICS]: Can't link a OpenSim.Region.Physics.Meshing.Mesh object");
-                        return;
-                    }
-                    */
+                ProcessGeomCreationAsTriMesh(PhysicsVector.Zero, Quaternion.Identity);
+                // createmesh returns null when it doesn't mesh.
 
-                    
-                    
-                    foreach (BulletDotNETPrim chld in childrenPrim)
-                    {
-                        if (chld == null)
-                            continue;
-                        PhysicsVector offset = chld.Position - Position;
-                        Vector3 pos = new Vector3(offset.X, offset.Y, offset.Z);
-                        pos *= Quaternion.Inverse(Orientation);
-                        //pos *= Orientation;
-                        offset.setValues(pos.X, pos.Y, pos.Z);
-                        chld.ProcessGeomCreationAsTriMesh(offset, chld.Orientation);
-                        
-                            _mesh.Append(chld._mesh);
-                        
+                /*
+                if (_mesh is Mesh)
+                {
+                }
+                else
+                {
+                    m_log.Warn("[PHYSICS]: Can't link a OpenSim.Region.Physics.Meshing.Mesh object");
+                    return;
+                }
+                */
 
-                    }
-                    setMesh(_parent_scene, _mesh);
-                
-            //}
+
+
+                foreach (BulletDotNETPrim chld in childrenPrim)
+                {
+                    if (chld == null)
+                        continue;
+                    PhysicsVector offset = chld.Position - Position;
+                    Vector3 pos = new Vector3(offset.X, offset.Y, offset.Z);
+                    pos *= Quaternion.Inverse(Orientation);
+                    //pos *= Orientation;
+                    offset.setValues(pos.X, pos.Y, pos.Z);
+                    chld.ProcessGeomCreationAsTriMesh(offset, chld.Orientation);
+
+                    _mesh.Append(chld._mesh);
+
+
+                }
+                setMesh(_parent_scene, _mesh);
+
+                //}
 
                 if (tempMotionState1 != null && tempMotionState1.Handle != IntPtr.Zero)
                     tempMotionState1.Dispose();
@@ -2238,7 +2248,7 @@ namespace OpenSim.Region.Physics.BulletDotNETPlugin
                     ((btGImpactMeshShape)prim_geom).updateBound();
                 }
                 _parent_scene.AddPrimToScene(this);
-                
+
             }
 
             if (IsPhysical)
@@ -2252,7 +2262,7 @@ namespace OpenSim.Region.Physics.BulletDotNETPlugin
                 if (Body.Handle != IntPtr.Zero)
                 {
                     DisableAxisMotor();
-                    _parent_scene.removeFromWorld(this,Body);
+                    _parent_scene.removeFromWorld(this, Body);
                     Body.Dispose();
                 }
                 Body = null;
@@ -2305,7 +2315,7 @@ namespace OpenSim.Region.Physics.BulletDotNETPlugin
                 return;
 
 
-            
+
             lock (childrenPrim)
             {
                 if (!childrenPrim.Contains(prm))
@@ -2313,8 +2323,8 @@ namespace OpenSim.Region.Physics.BulletDotNETPlugin
                     childrenPrim.Add(prm);
                 }
             }
-           
-            
+
+
         }
 
         public void disableBody()
@@ -2386,7 +2396,7 @@ namespace OpenSim.Region.Physics.BulletDotNETPlugin
             {
                 Body.clearForces();
                 Body.forceActivationState(0);
-                
+
             }
 
         }
@@ -2400,7 +2410,7 @@ namespace OpenSim.Region.Physics.BulletDotNETPlugin
                     Body.clearForces();
                     Body.forceActivationState(4);
                     forceenable = true;
-                    
+
                 }
                 m_disabled = false;
             }
@@ -2415,7 +2425,7 @@ namespace OpenSim.Region.Physics.BulletDotNETPlugin
                     SetBody(Mass);
                 else
                     SetBody(0);
-                
+
                 // TODO: Set Collision Category Bits and Flags
                 // TODO: Set Auto Disable data
 
@@ -2587,10 +2597,10 @@ namespace OpenSim.Region.Physics.BulletDotNETPlugin
                         _velocity.Y = tempLinearVelocity1.getY();
                         _velocity.Z = tempLinearVelocity1.getZ();
 
-                        _acceleration = ((_velocity - m_lastVelocity)/0.1f);
-                        _acceleration = new PhysicsVector(_velocity.X - m_lastVelocity.X/0.1f,
-                                                          _velocity.Y - m_lastVelocity.Y/0.1f,
-                                                          _velocity.Z - m_lastVelocity.Z/0.1f);
+                        _acceleration = ((_velocity - m_lastVelocity) / 0.1f);
+                        _acceleration = new PhysicsVector(_velocity.X - m_lastVelocity.X / 0.1f,
+                                                          _velocity.Y - m_lastVelocity.Y / 0.1f,
+                                                          _velocity.Z - m_lastVelocity.Z / 0.1f);
                         //m_log.Info("[PHYSICS]: V1: " + _velocity + " V2: " + m_lastVelocity + " Acceleration: " + _acceleration.ToString());
 
                         if (_velocity.IsIdentical(pv, 0.5f))
@@ -2669,7 +2679,7 @@ namespace OpenSim.Region.Physics.BulletDotNETPlugin
             if (AxisLockAngleHigh != null && AxisLockAngleHigh.Handle != IntPtr.Zero)
                 AxisLockAngleHigh.Dispose();
 
-           
+
 
             m_aMotor = new btGeneric6DofConstraint(Body, _parent_scene.TerrainBody, _parent_scene.TransZero,
                                                    _parent_scene.TransZero, false);
@@ -2683,7 +2693,7 @@ namespace OpenSim.Region.Physics.BulletDotNETPlugin
             m_aMotor.setLinearUpperLimit(AxisLockLinearHigh);
             _parent_scene.getBulletWorld().addConstraint((btTypedConstraint)m_aMotor);
             //m_aMotor.
-            
+
 
         }
         internal void DisableAxisMotor()
@@ -2698,4 +2708,4 @@ namespace OpenSim.Region.Physics.BulletDotNETPlugin
 
     }
 }
-                    
+
diff --git a/OpenSim/Region/Physics/BulletDotNETPlugin/BulletDotNETScene.cs b/OpenSim/Region/Physics/BulletDotNETPlugin/BulletDotNETScene.cs
index e0f856a..18d4bab 100644
--- a/OpenSim/Region/Physics/BulletDotNETPlugin/BulletDotNETScene.cs
+++ b/OpenSim/Region/Physics/BulletDotNETPlugin/BulletDotNETScene.cs
@@ -528,7 +528,7 @@ namespace OpenSim.Region.Physics.BulletDotNETPlugin
         {
             // Teravus: Kitto, this code causes recurring errors that stall physics permenantly unless 
             // the values are checked, so checking below.
-            // Is there any reason that we don't do this in ScenePresence?   
+            // Is there any reason that we don't do this in ScenePresence?
             // The only physics engine that benefits from it in the physics plugin is this one
 
             if (x > (int)Constants.RegionSize || y > (int)Constants.RegionSize ||
@@ -650,7 +650,7 @@ namespace OpenSim.Region.Physics.BulletDotNETPlugin
 
             if (iPropertiesNotSupportedDefault == 0)
             {
-#if SPAM              
+#if SPAM
                 m_log.Warn("NonMesh");
 #endif
                 return false;
diff --git a/OpenSim/Region/Physics/Manager/PhysicsPluginManager.cs b/OpenSim/Region/Physics/Manager/PhysicsPluginManager.cs
index ce52744..7130a3e 100644
--- a/OpenSim/Region/Physics/Manager/PhysicsPluginManager.cs
+++ b/OpenSim/Region/Physics/Manager/PhysicsPluginManager.cs
@@ -55,7 +55,7 @@ namespace OpenSim.Region.Physics.Manager
             plugHard = new ZeroMesherPlugin();
             _MeshPlugins.Add(plugHard.GetName(), plugHard);
             
-            m_log.Info("[PHYSICS]: Added meshing engine: " + plugHard.GetName());            
+            m_log.Info("[PHYSICS]: Added meshing engine: " + plugHard.GetName());
         }
 
         /// <summary>
diff --git a/OpenSim/Region/Physics/Manager/PhysicsScene.cs b/OpenSim/Region/Physics/Manager/PhysicsScene.cs
index 8a07f71..6dd26bb 100644
--- a/OpenSim/Region/Physics/Manager/PhysicsScene.cs
+++ b/OpenSim/Region/Physics/Manager/PhysicsScene.cs
@@ -178,12 +178,12 @@ namespace OpenSim.Region.Physics.Manager
         }
 
         /// <summary>
-        /// Queue a raycast against the physics scene.  
+        /// Queue a raycast against the physics scene.
         /// The provided callback method will be called when the raycast is complete
         /// 
         /// Many physics engines don't support collision testing at the same time as 
         /// manipulating the physics scene, so we queue the request up and callback 
-        /// a custom method when the raycast is complete.  
+        /// a custom method when the raycast is complete.
         /// This allows physics engines that give an immediate result to callback immediately
         /// and ones that don't, to callback when it gets a result back.
         /// 
diff --git a/OpenSim/Region/Physics/Manager/VehicleConstants.cs b/OpenSim/Region/Physics/Manager/VehicleConstants.cs
index 97f66d3..532e55e 100644
--- a/OpenSim/Region/Physics/Manager/VehicleConstants.cs
+++ b/OpenSim/Region/Physics/Manager/VehicleConstants.cs
@@ -93,7 +93,7 @@ namespace OpenSim.Region.Physics.Manager
         BANKING_TIMESCALE = 40,
         REFERENCE_FRAME = 44
 
-    }   
+    }
 
     [Flags]
     public enum VehicleFlag
diff --git a/OpenSim/Region/Physics/Meshing/Mesh.cs b/OpenSim/Region/Physics/Meshing/Mesh.cs
index ceafaad..aae8871 100644
--- a/OpenSim/Region/Physics/Meshing/Mesh.cs
+++ b/OpenSim/Region/Physics/Meshing/Mesh.cs
@@ -40,7 +40,6 @@ namespace OpenSim.Region.Physics.Meshing
         private List<Triangle> triangles;
         GCHandle pinnedVirtexes;
         GCHandle pinnedIndex;
-        public PrimMesh primMesh = null;
         public float[] normals;
 
         public Mesh()
@@ -63,6 +62,8 @@ namespace OpenSim.Region.Physics.Meshing
 
         public void Add(Triangle triangle)
         {
+            if (pinnedIndex.IsAllocated || pinnedVirtexes.IsAllocated)
+                throw new NotSupportedException("Attempt to Add to a pinned Mesh");
             // If a vertex of the triangle is not yet in the vertices list,
             // add it and set its index to the current index count
             if (!vertices.ContainsKey(triangle.v1))
@@ -148,40 +149,22 @@ namespace OpenSim.Region.Physics.Meshing
 
         public float[] getVertexListAsFloatLocked()
         {
+            if (pinnedVirtexes.IsAllocated)
+                return (float[])(pinnedVirtexes.Target);
             float[] result;
 
-            if (primMesh == null)
+            //m_log.WarnFormat("vertices.Count = {0}", vertices.Count);
+            result = new float[vertices.Count * 3];
+            foreach (KeyValuePair<Vertex, int> kvp in vertices)
             {
-                //m_log.WarnFormat("vertices.Count = {0}", vertices.Count);
-                result = new float[vertices.Count * 3];
-                foreach (KeyValuePair<Vertex, int> kvp in vertices)
-                {
-                    Vertex v = kvp.Key;
-                    int i = kvp.Value;
-                    //m_log.WarnFormat("kvp.Value = {0}", i);
-                    result[3 * i + 0] = v.X;
-                    result[3 * i + 1] = v.Y;
-                    result[3 * i + 2] = v.Z;
-                }
-                pinnedVirtexes = GCHandle.Alloc(result, GCHandleType.Pinned);
-            }
-            else
-            {
-                int count = primMesh.coords.Count;
-                result = new float[count * 3];
-                for (int i = 0; i < count; i++)
-                {
-                    Coord c = primMesh.coords[i];
-                    {
-                        int resultIndex = 3 * i;
-                        result[resultIndex] = c.X;
-                        result[resultIndex + 1] = c.Y;
-                        result[resultIndex + 2] = c.Z;
-                    }
-
-                }
-                pinnedVirtexes = GCHandle.Alloc(result, GCHandleType.Pinned);
+                Vertex v = kvp.Key;
+                int i = kvp.Value;
+                //m_log.WarnFormat("kvp.Value = {0}", i);
+                result[3 * i + 0] = v.X;
+                result[3 * i + 1] = v.Y;
+                result[3 * i + 2] = v.Z;
             }
+            pinnedVirtexes = GCHandle.Alloc(result, GCHandleType.Pinned);
             return result;
         }
 
@@ -189,33 +172,13 @@ namespace OpenSim.Region.Physics.Meshing
         {
             int[] result;
 
-            if (primMesh == null)
-            {
-                result = new int[triangles.Count * 3];
-                for (int i = 0; i < triangles.Count; i++)
-                {
-                    Triangle t = triangles[i];
-                    result[3 * i + 0] = vertices[t.v1];
-                    result[3 * i + 1] = vertices[t.v2];
-                    result[3 * i + 2] = vertices[t.v3];
-                }
-            }
-            else
+            result = new int[triangles.Count * 3];
+            for (int i = 0; i < triangles.Count; i++)
             {
-                int numFaces = primMesh.faces.Count;
-                result = new int[numFaces * 3];
-                for (int i = 0; i < numFaces; i++)
-                {
-                    Face f = primMesh.faces[i];
-//                    Coord c1 = primMesh.coords[f.v1];
-//                    Coord c2 = primMesh.coords[f.v2];
-//                    Coord c3 = primMesh.coords[f.v3];
-
-                    int resultIndex = i * 3;
-                    result[resultIndex] = f.v1;
-                    result[resultIndex + 1] = f.v2;
-                    result[resultIndex + 2] = f.v3;
-                }
+                Triangle t = triangles[i];
+                result[3 * i + 0] = vertices[t.v1];
+                result[3 * i + 1] = vertices[t.v2];
+                result[3 * i + 2] = vertices[t.v3];
             }
             return result;
         }
@@ -226,6 +189,9 @@ namespace OpenSim.Region.Physics.Meshing
         /// <returns></returns>
         public int[] getIndexListAsIntLocked()
         {
+            if (pinnedIndex.IsAllocated)
+                return (int[])(pinnedIndex.Target);
+        
             int[] result = getIndexListAsInt();
             pinnedIndex = GCHandle.Alloc(result, GCHandleType.Pinned);
 
@@ -245,11 +211,13 @@ namespace OpenSim.Region.Physics.Meshing
         {
             triangles = null;
             vertices = null;
-            primMesh = null;
         }
 
         public void Append(IMesh newMesh)
         {
+            if (pinnedIndex.IsAllocated || pinnedVirtexes.IsAllocated)
+                throw new NotSupportedException("Attempt to Append to a pinned Mesh");
+        
             if (!(newMesh is Mesh))
                 return;
 
@@ -260,6 +228,9 @@ namespace OpenSim.Region.Physics.Meshing
         // Do a linear transformation of  mesh.
         public void TransformLinear(float[,] matrix, float[] offset)
         {
+            if (pinnedIndex.IsAllocated || pinnedVirtexes.IsAllocated)
+                throw new NotSupportedException("Attempt to TransformLinear a pinned Mesh");
+        
             foreach (Vertex v in vertices.Keys)
             {
                 if (v == null)
diff --git a/OpenSim/Region/Physics/Meshing/Meshmerizer.cs b/OpenSim/Region/Physics/Meshing/Meshmerizer.cs
index aa8df23..d56ddc8 100644
--- a/OpenSim/Region/Physics/Meshing/Meshmerizer.cs
+++ b/OpenSim/Region/Physics/Meshing/Meshmerizer.cs
@@ -76,6 +76,7 @@ namespace OpenSim.Region.Physics.Meshing
 
         private float minSizeForComplexMesh = 0.2f; // prims with all dimensions smaller than this will have a bounding box mesh
 
+        private Dictionary<ulong, Mesh> m_uniqueMeshes = new Dictionary<ulong, Mesh>();
 
         public Meshmerizer()
         {
@@ -184,9 +185,62 @@ namespace OpenSim.Region.Physics.Meshing
 
         }
 
-        public Mesh CreateMeshFromPrimMesher(string primName, PrimitiveBaseShape primShape, PhysicsVector size, float lod)
+        private ulong GetMeshKey(PrimitiveBaseShape pbs, PhysicsVector size, float lod)
+        {
+            ulong hash = 5381;
+
+            hash = djb2(hash, pbs.PathCurve);
+            hash = djb2(hash, (byte)((byte)pbs.HollowShape | (byte)pbs.ProfileShape));
+            hash = djb2(hash, pbs.PathBegin);
+            hash = djb2(hash, pbs.PathEnd);
+            hash = djb2(hash, pbs.PathScaleX);
+            hash = djb2(hash, pbs.PathScaleY);
+            hash = djb2(hash, pbs.PathShearX);
+            hash = djb2(hash, pbs.PathShearY);
+            hash = djb2(hash, (byte)pbs.PathTwist);
+            hash = djb2(hash, (byte)pbs.PathTwistBegin);
+            hash = djb2(hash, (byte)pbs.PathRadiusOffset);
+            hash = djb2(hash, (byte)pbs.PathTaperX);
+            hash = djb2(hash, (byte)pbs.PathTaperY);
+            hash = djb2(hash, pbs.PathRevolutions);
+            hash = djb2(hash, (byte)pbs.PathSkew);
+            hash = djb2(hash, pbs.ProfileBegin);
+            hash = djb2(hash, pbs.ProfileEnd);
+            hash = djb2(hash, pbs.ProfileHollow);
+
+            // TODO: Separate scale out from the primitive shape data (after
+            // scaling is supported at the physics engine level)
+            byte[] scaleBytes = size.GetBytes();
+            for (int i = 0; i < scaleBytes.Length; i++)
+                hash = djb2(hash, scaleBytes[i]);
+
+            // Include LOD in hash, accounting for endianness
+            byte[] lodBytes = new byte[4];
+            Buffer.BlockCopy(BitConverter.GetBytes(lod), 0, lodBytes, 0, 4);
+            if (!BitConverter.IsLittleEndian)
+            {
+                Array.Reverse(lodBytes, 0, 4);
+            }
+            for (int i = 0; i < lodBytes.Length; i++)
+                hash = djb2(hash, lodBytes[i]);
+
+            return hash;
+        }
+
+        private ulong djb2(ulong hash, byte c)
+        {
+            return ((hash << 5) + hash) + (ulong)c;
+        }
+
+        private ulong djb2(ulong hash, ushort c)
+        {
+            hash = ((hash << 5) + hash) + (ulong)((byte)c);
+            return ((hash << 5) + hash) + (ulong)(c >> 8);
+        }
+        
+
+        private Mesh CreateMeshFromPrimMesher(string primName, PrimitiveBaseShape primShape, PhysicsVector size, float lod)
         {
-            Mesh mesh = new Mesh();
             PrimMesh primMesh;
             PrimMesher.SculptMesh sculptMesh;
 
@@ -399,8 +453,6 @@ namespace OpenSim.Region.Physics.Meshing
 
                 coords = primMesh.coords;
                 faces = primMesh.faces;
-
-
             }
 
 
@@ -415,13 +467,13 @@ namespace OpenSim.Region.Physics.Meshing
                 vertices.Add(new Vertex(c.X, c.Y, c.Z));
             }
 
+            Mesh mesh = new Mesh();
             // Add the corresponding triangles to the mesh
             for (int i = 0; i < numFaces; i++)
             {
                 Face f = faces[i];
                 mesh.Add(new Triangle(vertices[f.v1], vertices[f.v2], vertices[f.v3]));
             }
-
             return mesh;
         }
 
@@ -432,7 +484,12 @@ namespace OpenSim.Region.Physics.Meshing
 
         public IMesh CreateMesh(String primName, PrimitiveBaseShape primShape, PhysicsVector size, float lod, bool isPhysical)
         {
+            // 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
+            ulong key = GetMeshKey(primShape, size, lod);
             Mesh mesh = null;
+            if (m_uniqueMeshes.TryGetValue(key, out mesh))
+                return mesh;
 
             if (size.X < 0.01f) size.X = 0.01f;
             if (size.Y < 0.01f) size.Y = 0.01f;
@@ -455,7 +512,7 @@ namespace OpenSim.Region.Physics.Meshing
                 // trim the vertex and triangle lists to free up memory
                 mesh.TrimExcess();
             }
-
+            m_uniqueMeshes.Add(key, mesh);
             return mesh;
         }
     }
diff --git a/OpenSim/Region/Physics/Meshing/PrimMesher.cs b/OpenSim/Region/Physics/Meshing/PrimMesher.cs
index 0d19c01..abfd400 100644
--- a/OpenSim/Region/Physics/Meshing/PrimMesher.cs
+++ b/OpenSim/Region/Physics/Meshing/PrimMesher.cs
@@ -345,6 +345,21 @@ namespace PrimMesher
             this.v3.Z *= z;
         }
 
+        public void AddPos(float x, float y, float z)
+        {
+            this.v1.X += x;
+            this.v2.X += x;
+            this.v3.X += x;
+
+            this.v1.Y += y;
+            this.v2.Y += y;
+            this.v3.Y += y;
+
+            this.v1.Z += z;
+            this.v2.Z += z;
+            this.v3.Z += z;
+        }
+
         public void AddRot(Quat q)
         {
             this.v1 *= q;
@@ -2141,6 +2156,18 @@ namespace PrimMesher
                 vert.Z += z;
                 this.coords[i] = vert;
             }
+
+            if (this.viewerFaces != null)
+            {
+                int numViewerFaces = this.viewerFaces.Count;
+
+                for (i = 0; i < numViewerFaces; i++)
+                {
+                    ViewerFace v = this.viewerFaces[i];
+                    v.AddPos(x, y, z);
+                    this.viewerFaces[i] = v;
+                }
+            }
         }
 
         /// <summary>
diff --git a/OpenSim/Region/Physics/Meshing/SculptMesh.cs b/OpenSim/Region/Physics/Meshing/SculptMesh.cs
index bf42fee..bd63aef 100644
--- a/OpenSim/Region/Physics/Meshing/SculptMesh.cs
+++ b/OpenSim/Region/Physics/Meshing/SculptMesh.cs
@@ -494,6 +494,18 @@ namespace PrimMesher
                 vert.Z += z;
                 this.coords[i] = vert;
             }
+
+            if (this.viewerFaces != null)
+            {
+                int numViewerFaces = this.viewerFaces.Count;
+
+                for (i = 0; i < numViewerFaces; i++)
+                {
+                    ViewerFace v = this.viewerFaces[i];
+                    v.AddPos(x, y, z);
+                    this.viewerFaces[i] = v;
+                }
+            }
         }
 
         /// <summary>
@@ -556,7 +568,7 @@ namespace PrimMesher
             if (path == null)
                 return;
             String fileName = name + "_" + title + ".raw";
-            String completePath = Path.Combine(path, fileName);
+            String completePath = System.IO.Path.Combine(path, fileName);
             StreamWriter sw = new StreamWriter(completePath);
 
             for (int i = 0; i < this.faces.Count; i++)
diff --git a/OpenSim/Region/Physics/OdePlugin/ODECharacter.cs b/OpenSim/Region/Physics/OdePlugin/ODECharacter.cs
index dd58a4e..a00ba11 100644
--- a/OpenSim/Region/Physics/OdePlugin/ODECharacter.cs
+++ b/OpenSim/Region/Physics/OdePlugin/ODECharacter.cs
@@ -107,6 +107,7 @@ namespace OpenSim.Region.Physics.OdePlugin
         public float MinimumGroundFlightOffset = 3f;
 
         private float m_tainted_CAPSULE_LENGTH; // set when the capsule length changes. 
+        private float m_tiltMagnitudeWhenProjectedOnXYPlane = 0.1131371f; // used to introduce a fixed tilt because a straight-up capsule falls through terrain, probably a bug in terrain collider
 
 
         private float m_buoyancy = 0f;
@@ -477,7 +478,71 @@ namespace OpenSim.Region.Physics.OdePlugin
                 }
             }
         }
-        
+
+        private void AlignAvatarTiltWithCurrentDirectionOfMovement(PhysicsVector movementVector)
+        {
+            movementVector.Z = 0f;
+            float magnitude = (float)Math.Sqrt((double)(movementVector.X * movementVector.X + movementVector.Y * movementVector.Y));
+            if (magnitude < 0.1f) return;
+
+            // normalize the velocity vector
+            float invMagnitude = 1.0f / magnitude;
+            movementVector.X *= invMagnitude;
+            movementVector.Y *= invMagnitude;
+
+            // if we change the capsule heading too often, the capsule can fall down
+            // therefore we snap movement vector to just 1 of 4 predefined directions (ne, nw, se, sw),
+            // meaning only 4 possible capsule tilt orientations
+            if (movementVector.X > 0)
+            {
+                // east
+                if (movementVector.Y > 0)
+                {
+                    // northeast
+                    movementVector.X = (float)Math.Sqrt(2.0);
+                    movementVector.Y = (float)Math.Sqrt(2.0);
+                }
+                else
+                {
+                    // southeast
+                    movementVector.X = (float)Math.Sqrt(2.0);
+                    movementVector.Y = -(float)Math.Sqrt(2.0);
+                }
+            }
+            else
+            {
+                // west
+                if (movementVector.Y > 0)
+                {
+                    // northwest
+                    movementVector.X = -(float)Math.Sqrt(2.0);
+                    movementVector.Y = (float)Math.Sqrt(2.0);
+                }
+                else
+                {
+                    // southwest
+                    movementVector.X = -(float)Math.Sqrt(2.0);
+                    movementVector.Y = -(float)Math.Sqrt(2.0);
+                }
+            }
+
+
+            // movementVector.Z is zero
+
+            // calculate tilt components based on desired amount of tilt and current (snapped) heading.
+            // the "-" sign is to force the tilt to be OPPOSITE the direction of movement.
+            float xTiltComponent = -movementVector.X * m_tiltMagnitudeWhenProjectedOnXYPlane;
+            float yTiltComponent = -movementVector.Y * m_tiltMagnitudeWhenProjectedOnXYPlane;
+
+            //m_log.Debug("[PHYSICS] changing avatar tilt");
+            d.JointSetAMotorParam(Amotor, (int)dParam.LowStop, xTiltComponent);
+            d.JointSetAMotorParam(Amotor, (int)dParam.HiStop, xTiltComponent); // must be same as lowstop, else a different, spurious tilt is introduced
+            d.JointSetAMotorParam(Amotor, (int)dParam.LoStop2, yTiltComponent);
+            d.JointSetAMotorParam(Amotor, (int)dParam.HiStop2, yTiltComponent); // same as lowstop
+            d.JointSetAMotorParam(Amotor, (int)dParam.LoStop3, 0f);
+            d.JointSetAMotorParam(Amotor, (int)dParam.HiStop3, 0f); // same as lowstop
+        }
+
         /// <summary>
         /// This creates the Avatar's physical Surrogate at the position supplied
         /// </summary>
@@ -576,71 +641,13 @@ namespace OpenSim.Region.Physics.OdePlugin
                 // (with -0..0 motor stops) falls into the terrain for reasons yet
                 // to be comprehended in their entirety.
                 #endregion
+                AlignAvatarTiltWithCurrentDirectionOfMovement(new PhysicsVector(0,0,0));
                 d.JointSetAMotorParam(Amotor, (int)dParam.LowStop, 0.08f);
                 d.JointSetAMotorParam(Amotor, (int)dParam.LoStop3, -0f);
                 d.JointSetAMotorParam(Amotor, (int)dParam.LoStop2, 0.08f);
                 d.JointSetAMotorParam(Amotor, (int)dParam.HiStop,  0.08f); // must be same as lowstop, else a different, spurious tilt is introduced
                 d.JointSetAMotorParam(Amotor, (int)dParam.HiStop3, 0f); // same as lowstop
                 d.JointSetAMotorParam(Amotor, (int)dParam.HiStop2, 0.08f); // same as lowstop
-                #region Documentation of capsule motor StopERP and StopCFM parameters
-                // In addition to the above tilt, we allow a dynamic tilt, or
-                // wobble, to emerge as the capsule is pushed around the environment.
-                // We do this with an experimentally determined combination of
-                // StopERP and StopCFM which make the above motor stops soft.
-                // The softness of the stops should be tweaked according to two
-                // requirements:
-                //
-                // 1. Motor stops should be weak enough to allow enough wobble such 
-                // that the capsule can tilt slightly more when moving, to allow 
-                // "gliding" over obstacles:
-                //
-                // 
-                //                                        .-.
-                //                                       / /
-                //                                      / /
-                //     _                               / /       _ 
-                //    / \                     .-.     / /       / \
-                //    | | ---->              / /     / /        | |
-                //    | |                   / /     `-'         | |
-                //    | |                  / / +------+         | |
-                //    | |                 / /  |      |         | |
-                //    | |                / /   |      |         | |
-                //    \_/               `-'    +------+         \_/
-                // ----------------------------------------------------------
-                // 
-                // Note that requirement 1 is made complicated by the ever-present
-                // slight avatar tilt (assigned in the above code to prevent avatar
-                // from falling through terrain), which introduces a direction-dependent
-                // bias into the wobble (wobbling against the existing tilt is harder
-                // than wobbling with the tilt), which makes it easier to walk over
-                // prims from some directions. I have tried to minimize this effect by
-                // minimizing the avatar tilt to the minimum that prevents the avatar from
-                // falling through the terrain.
-                // 
-                // 2. Motor stops should be strong enough to prevent the capsule
-                // from being forced all the way to the ground; otherwise the
-                // capsule could slip underneath obstacles like this:
-                //     _                                         _ 
-                //    / \                      +------+         / \
-                //    | | ---->                |      |         | |
-                //    | |                      |      |         | |
-                //    | |             .--.___  +------+         | |
-                //    | |              `--.__`--.__             | |
-                //    | |                    `--.__`--.         | |
-                //    \_/                          `--'         \_/
-                // ----------------------------------------------------------
-                // 
-                //
-                // It is strongly recommended you enable USE_DRAWSTUFF if you want to
-                // tweak these values, to see how the capsule is reacting in various
-                // situations.
-                #endregion
-                d.JointSetAMotorParam(Amotor, (int)dParam.StopCFM, 0.0035f); 
-                d.JointSetAMotorParam(Amotor, (int)dParam.StopCFM2, 0.0035f);
-                d.JointSetAMotorParam(Amotor, (int)dParam.StopCFM3, 0.0035f);
-                d.JointSetAMotorParam(Amotor, (int)dParam.StopERP, 0.8f);
-                d.JointSetAMotorParam(Amotor, (int)dParam.StopERP2, 0.8f);
-                d.JointSetAMotorParam(Amotor, (int)dParam.StopERP3, 0.8f);
             }
 
             // Fudge factor is 1f by default, we're setting it to 0.  We don't want it to Fudge or the
@@ -939,6 +946,7 @@ namespace OpenSim.Region.Physics.OdePlugin
 
             PhysicsVector vec = new PhysicsVector();
             d.Vector3 vel = d.BodyGetLinearVel(Body);
+
             float movementdivisor = 1f;
 
             if (!m_alwaysRun)
@@ -1052,6 +1060,10 @@ namespace OpenSim.Region.Physics.OdePlugin
             if (PhysicsVector.isFinite(vec))
             {
                 doForce(vec);
+                if (!_zeroFlag)
+                {
+                  AlignAvatarTiltWithCurrentDirectionOfMovement(new PhysicsVector(vec.X, vec.Y, vec.Z));
+                }
             }
             else
             {
diff --git a/OpenSim/Region/Physics/OdePlugin/ODEPrim.cs b/OpenSim/Region/Physics/OdePlugin/ODEPrim.cs
index 673ae39..032b5df 100644
--- a/OpenSim/Region/Physics/OdePlugin/ODEPrim.cs
+++ b/OpenSim/Region/Physics/OdePlugin/ODEPrim.cs
@@ -82,7 +82,6 @@ namespace OpenSim.Region.Physics.OdePlugin
 
         // private float m_tensor = 5f;
         private int body_autodisable_frames = 20;
-        private IMesh primMesh = null;
 
 
         private const CollisionCategories m_default_collisionFlags = (CollisionCategories.Geom
@@ -814,14 +813,10 @@ namespace OpenSim.Region.Physics.OdePlugin
                 }
             }
 
-            IMesh oldMesh = primMesh;
+            float[] vertexList = mesh.getVertexListAsFloatLocked(); // Note, that vertextList is pinned in memory
+            int[] indexList = mesh.getIndexListAsIntLocked(); // Also pinned, needs release after usage
 
-            primMesh = mesh;
-
-            float[] vertexList = primMesh.getVertexListAsFloatLocked(); // Note, that vertextList is pinned in memory
-            int[] indexList = primMesh.getIndexListAsIntLocked(); // Also pinned, needs release after usage
-
-            primMesh.releaseSourceMeshData(); // free up the original mesh data to save memory
+            mesh.releaseSourceMeshData(); // free up the original mesh data to save memory
 
             int VertexCount = vertexList.GetLength(0)/3;
             int IndexCount = indexList.GetLength(0);
@@ -847,12 +842,6 @@ namespace OpenSim.Region.Physics.OdePlugin
                 return;
             }
 
-            if (oldMesh != null)
-            {
-                oldMesh.releasePinned();
-                oldMesh = null;
-            }
-
            // if (IsPhysical && Body == (IntPtr) 0)
            // {
                 // Recreate the body
diff --git a/OpenSim/Region/Physics/OdePlugin/ODERayCastRequestManager.cs b/OpenSim/Region/Physics/OdePlugin/ODERayCastRequestManager.cs
index d9f4951..c8ae229 100644
--- a/OpenSim/Region/Physics/OdePlugin/ODERayCastRequestManager.cs
+++ b/OpenSim/Region/Physics/OdePlugin/ODERayCastRequestManager.cs
@@ -228,7 +228,7 @@ namespace OpenSim.Region.Physics.OdePlugin
                         mono [0x81d28b6]
                         mono [0x81ea2c6]
                         /lib/i686/cmov/libpthread.so.0 [0xb7e744c0]
-                        /lib/i686/cmov/libc.so.6(clone+0x5e) [0xb7dcd6de]             
+                        /lib/i686/cmov/libc.so.6(clone+0x5e) [0xb7dcd6de]
              */
 
             // Exclude heightfield geom
diff --git a/OpenSim/Region/Physics/OdePlugin/OdePlugin.cs b/OpenSim/Region/Physics/OdePlugin/OdePlugin.cs
index 94223d8..0769c90 100644
--- a/OpenSim/Region/Physics/OdePlugin/OdePlugin.cs
+++ b/OpenSim/Region/Physics/OdePlugin/OdePlugin.cs
@@ -2536,7 +2536,7 @@ namespace OpenSim.Region.Physics.OdePlugin
 
             if (iPropertiesNotSupportedDefault == 0)
             {
-#if SPAM              
+#if SPAM
                 m_log.Warn("NonMesh");
 #endif
                 return false;
@@ -3334,7 +3334,7 @@ namespace OpenSim.Region.Physics.OdePlugin
         {
             // this._heightmap[i] = (double)heightMap[i];
             // dbm (danx0r) -- creating a buffer zone of one extra sample all around
-            //_origheightmap = heightMap;    
+            //_origheightmap = heightMap;
            
             float[] _heightmap;
 
@@ -3520,16 +3520,16 @@ namespace OpenSim.Region.Physics.OdePlugin
 
                                 d.GeomDestroy(g);
                                 //removingHeightField = new float[0];
-                            }                            
+                            }
                         }
                     }
                     else
                     {
                         m_log.Warn("[PHYSICS]: Couldn't proceed with UnCombine.  Region has inconsistant data.");
                     }
-                }                
+                }
             }
-        }       
+        }
 
         public override void SetWaterLevel(float baseheight)
         {