7 files changed, 236 insertions, 209 deletions

diff --git a/OpenSim/Region/ClientStack/Linden/UDP/LLClientView.cs b/OpenSim/Region/ClientStack/Linden/UDP/LLClientView.cs
index c1b5781..258683d 100644
--- a/OpenSim/Region/ClientStack/Linden/UDP/LLClientView.cs
+++ b/OpenSim/Region/ClientStack/Linden/UDP/LLClientView.cs
@@ -3761,24 +3761,6 @@ namespace OpenSim.Region.ClientStack.LindenUDP
                 {
                     SceneObjectPart part = (SceneObjectPart)update.Entity;
 
-                    // Please do not remove this unless you can demonstrate on the OpenSim mailing list that a client
-                    // will never receive an update after a prim kill.  Even then, keeping the kill record may be a good
-                    // safety measure.
-                    //
-                    // If a Linden Lab 1.23.5 client (and possibly later and earlier) receives an object update
-                    // after a kill, it will keep displaying the deleted object until relog.  OpenSim currently performs
-                    // updates and kills on different threads with different scheduling strategies, hence this protection.
-                    // 
-                    // This doesn't appear to apply to child prims - a client will happily ignore these updates
-                    // after the root prim has been deleted.
-                    lock (m_killRecord)
-                    {
-                        if (m_killRecord.Contains(part.LocalId))
-                            continue;
-                        if (m_killRecord.Contains(part.ParentGroup.RootPart.LocalId))
-                            continue;
-                    }
-
                     if (part.ParentGroup.IsDeleted)
                         continue;
 
@@ -3816,7 +3798,39 @@ namespace OpenSim.Region.ClientStack.LindenUDP
                         // attachments until the avatar becomes root.
                         if (sp.IsChildAgent)
                             continue;
+
+                        // If the object is an attachment we don't want it to be in the kill
+                        // record. Else attaching from inworld and subsequently dropping
+                        // it will no longer work.
+                        lock (m_killRecord)
+                        {
+                            m_killRecord.Remove(part.LocalId);
+                            m_killRecord.Remove(part.ParentGroup.RootPart.LocalId);
+                        }
                     }
+                    else
+                    {
+                        // Please do not remove this unless you can demonstrate on the OpenSim mailing list that a client
+                        // will never receive an update after a prim kill.  Even then, keeping the kill record may be a good
+                        // safety measure.
+                        //
+                        // If a Linden Lab 1.23.5 client (and possibly later and earlier) receives an object update
+                        // after a kill, it will keep displaying the deleted object until relog.  OpenSim currently performs
+                        // updates and kills on different threads with different scheduling strategies, hence this protection.
+                        // 
+                        // This doesn't appear to apply to child prims - a client will happily ignore these updates
+                        // after the root prim has been deleted.
+                        //
+                        // We ignore this for attachments because attaching something from inworld breaks unless we do.
+                        lock (m_killRecord)
+                        {
+                            if (m_killRecord.Contains(part.LocalId))
+                                continue;
+                            if (m_killRecord.Contains(part.ParentGroup.RootPart.LocalId))
+                                continue;
+                        }
+                    }
+
                     if (part.ParentGroup.IsAttachment && m_disableFacelights)
                     {
                         if (part.ParentGroup.RootPart.Shape.State != (byte)AttachmentPoint.LeftHand &&
diff --git a/OpenSim/Region/CoreModules/Avatar/Attachments/AttachmentsModule.cs b/OpenSim/Region/CoreModules/Avatar/Attachments/AttachmentsModule.cs
index 7a91481..de40e59 100644
--- a/OpenSim/Region/CoreModules/Avatar/Attachments/AttachmentsModule.cs
+++ b/OpenSim/Region/CoreModules/Avatar/Attachments/AttachmentsModule.cs
@@ -638,19 +638,19 @@ namespace OpenSim.Region.CoreModules.Avatar.Attachments
             //                "[ATTACHMENTS MODULE]: Called AddSceneObjectAsAttachment for object {0} {1} for {2}",
             //                grp.Name, grp.LocalId, remoteClient.Name);
 
-            Vector3 inventoryStoredPosition = new Vector3
-                   (((grp.AbsolutePosition.X > (int)Constants.RegionSize)
-                         ? (float)Constants.RegionSize - 6
-                         : grp.AbsolutePosition.X)
-                    ,
-                    (grp.AbsolutePosition.Y > (int)Constants.RegionSize)
-                        ? (float)Constants.RegionSize - 6
-                        : grp.AbsolutePosition.Y,
-                    grp.AbsolutePosition.Z);
-
-            Vector3 originalPosition = grp.AbsolutePosition;
-
-            grp.AbsolutePosition = inventoryStoredPosition;
+//            Vector3 inventoryStoredPosition = new Vector3
+//                   (((grp.AbsolutePosition.X > (int)Constants.RegionSize)
+//                         ? (float)Constants.RegionSize - 6
+//                         : grp.AbsolutePosition.X)
+//                    ,
+//                    (grp.AbsolutePosition.Y > (int)Constants.RegionSize)
+//                        ? (float)Constants.RegionSize - 6
+//                        : grp.AbsolutePosition.Y,
+//                    grp.AbsolutePosition.Z);
+//
+//            Vector3 originalPosition = grp.AbsolutePosition;
+//
+//            grp.AbsolutePosition = inventoryStoredPosition;
 
             // If we're being called from a script, then trying to serialize that same script's state will not complete
             // in any reasonable time period.  Therefore, we'll avoid it.  The worst that can happen is that if
@@ -658,7 +658,7 @@ namespace OpenSim.Region.CoreModules.Avatar.Attachments
             // without state on relog.  Arguably, this is what we want anyway.
             string sceneObjectXml = SceneObjectSerializer.ToOriginalXmlFormat(grp, false);
 
-            grp.AbsolutePosition = originalPosition;
+//            grp.AbsolutePosition = originalPosition;
 
             AssetBase asset = m_scene.CreateAsset(
                 grp.GetPartName(grp.LocalId),
@@ -686,21 +686,24 @@ namespace OpenSim.Region.CoreModules.Avatar.Attachments
             else // oopsies
                 item.Folder = UUID.Zero;
 
+            // Nix the special bits we used to use for slam and the folded perms
+            uint allowablePermissionsMask = (uint)(PermissionMask.Copy | PermissionMask.Transfer | PermissionMask.Modify | PermissionMask.Move);
+
             if ((sp.UUID != grp.RootPart.OwnerID) && m_scene.Permissions.PropagatePermissions())
             {
-                item.BasePermissions = grp.RootPart.NextOwnerMask;
-                item.CurrentPermissions = grp.RootPart.NextOwnerMask;
-                item.NextPermissions = grp.RootPart.NextOwnerMask;
-                item.EveryOnePermissions = grp.RootPart.EveryoneMask & grp.RootPart.NextOwnerMask;
-                item.GroupPermissions = grp.RootPart.GroupMask & grp.RootPart.NextOwnerMask;
+                item.BasePermissions = grp.RootPart.BaseMask & grp.RootPart.NextOwnerMask & allowablePermissionsMask;
+                item.CurrentPermissions = grp.RootPart.BaseMask & grp.RootPart.NextOwnerMask & allowablePermissionsMask;
+                item.NextPermissions = grp.RootPart.NextOwnerMask & allowablePermissionsMask;
+                item.EveryOnePermissions = grp.RootPart.EveryoneMask & grp.RootPart.NextOwnerMask & allowablePermissionsMask;
+                item.GroupPermissions = grp.RootPart.GroupMask & grp.RootPart.NextOwnerMask & allowablePermissionsMask;
             }
             else
             {
-                item.BasePermissions = grp.RootPart.BaseMask;
-                item.CurrentPermissions = grp.RootPart.OwnerMask;
-                item.NextPermissions = grp.RootPart.NextOwnerMask;
-                item.EveryOnePermissions = grp.RootPart.EveryoneMask;
-                item.GroupPermissions = grp.RootPart.GroupMask;
+                item.BasePermissions = grp.RootPart.BaseMask & allowablePermissionsMask;
+                item.CurrentPermissions = grp.RootPart.OwnerMask & allowablePermissionsMask;
+                item.NextPermissions = grp.RootPart.NextOwnerMask & allowablePermissionsMask;
+                item.EveryOnePermissions = grp.RootPart.EveryoneMask & allowablePermissionsMask;
+                item.GroupPermissions = grp.RootPart.GroupMask & allowablePermissionsMask;
             }
             item.CreationDate = Util.UnixTimeSinceEpoch();
 
diff --git a/OpenSim/Region/Framework/Scenes/SceneObjectPart.cs b/OpenSim/Region/Framework/Scenes/SceneObjectPart.cs
index f7c6413..bb8d065 100644
--- a/OpenSim/Region/Framework/Scenes/SceneObjectPart.cs
+++ b/OpenSim/Region/Framework/Scenes/SceneObjectPart.cs
@@ -2738,7 +2738,7 @@ namespace OpenSim.Region.Framework.Scenes
 
             SendCollisionEvent(scriptEvents.collision_start, startedColliders, ParentGroup.Scene.EventManager.TriggerScriptCollidingStart);
             if (!VolumeDetectActive)
-                SendCollisionEvent(scriptEvents.collision      , m_lastColliders , ParentGroup.Scene.EventManager.TriggerScriptColliding);
+                SendCollisionEvent(scriptEvents.collision  , m_lastColliders , ParentGroup.Scene.EventManager.TriggerScriptColliding);
             SendCollisionEvent(scriptEvents.collision_end  , endedColliders  , ParentGroup.Scene.EventManager.TriggerScriptCollidingEnd);
 
             if (startedColliders.Contains(0))
diff --git a/OpenSim/Region/Framework/Scenes/ScenePresence.cs b/OpenSim/Region/Framework/Scenes/ScenePresence.cs
index 1adf13e..07b36b3 100644
--- a/OpenSim/Region/Framework/Scenes/ScenePresence.cs
+++ b/OpenSim/Region/Framework/Scenes/ScenePresence.cs
@@ -4287,199 +4287,199 @@ namespace OpenSim.Region.Framework.Scenes
             }
         }
 
-        private void RaiseCollisionScriptEvents(Dictionary<uint, ContactPoint> coldata)
+        private DetectedObject CreateDetObject(SceneObjectPart obj)
         {
-            /*
-            lock(m_collisionEventLock)
-            {
-                if (m_collisionEventFlag)
-                    return;
-                m_collisionEventFlag = true;
-            }
+            DetectedObject detobj = new DetectedObject();
+            detobj.keyUUID = obj.UUID;
+            detobj.nameStr = obj.Name;
+            detobj.ownerUUID = obj.OwnerID;
+            detobj.posVector = obj.AbsolutePosition;
+            detobj.rotQuat = obj.GetWorldRotation();
+            detobj.velVector = obj.Velocity;
+            detobj.colliderType = 0;
+            detobj.groupUUID = obj.GroupID;
 
-            Util.FireAndForget(delegate(object x)
+            return detobj;
+        }
+
+        private DetectedObject CreateDetObject(ScenePresence av)
+        {
+            DetectedObject detobj = new DetectedObject();
+            detobj.keyUUID = av.UUID;
+            detobj.nameStr = av.ControllingClient.Name;
+            detobj.ownerUUID = av.UUID;
+            detobj.posVector = av.AbsolutePosition;
+            detobj.rotQuat = av.Rotation;
+            detobj.velVector = av.Velocity;
+            detobj.colliderType = 0;
+            detobj.groupUUID = av.ControllingClient.ActiveGroupId;
+
+            return detobj;
+        }
+
+        private DetectedObject CreateDetObjectForGround()
+        {
+            DetectedObject detobj = new DetectedObject();
+            detobj.keyUUID = UUID.Zero;
+            detobj.nameStr = "";
+            detobj.ownerUUID = UUID.Zero;
+            detobj.posVector = AbsolutePosition;
+            detobj.rotQuat = Quaternion.Identity;
+            detobj.velVector = Vector3.Zero;
+            detobj.colliderType = 0;
+            detobj.groupUUID = UUID.Zero;
+
+            return detobj;
+        }
+
+        private ColliderArgs CreateColliderArgs(SceneObjectPart dest, List<uint> colliders)
+        {
+            ColliderArgs colliderArgs = new ColliderArgs();
+            List<DetectedObject> colliding = new List<DetectedObject>();
+            foreach (uint localId in colliders)
             {
-        */
-                try
+                if (localId == 0)
+                    continue;
+
+                SceneObjectPart obj = m_scene.GetSceneObjectPart(localId);
+                if (obj != null)
                 {
-                    List<uint> thisHitColliders = new List<uint>();
-                    List<uint> endedColliders = new List<uint>();
-                    List<uint> startedColliders = new List<uint>();
-                    List<CollisionForSoundInfo> soundinfolist = new List<CollisionForSoundInfo>();
-                    CollisionForSoundInfo soundinfo;
-                    ContactPoint curcontact;
-
-                    if (coldata.Count == 0)
+                    if (!dest.CollisionFilteredOut(obj.UUID, obj.Name))
+                        colliding.Add(CreateDetObject(obj));
+                }
+                else
+                {
+                    ScenePresence av = m_scene.GetScenePresence(localId);
+                    if (av != null && (!av.IsChildAgent))
                     {
-                        if (m_lastColliders.Count == 0)
-                            return; // nothing to do
-
-                        foreach (uint localID in m_lastColliders)
-                        {
-                            endedColliders.Add(localID);
-                        }
-                        m_lastColliders.Clear();
+                        if (!dest.CollisionFilteredOut(av.UUID, av.Name))
+                            colliding.Add(CreateDetObject(av));
                     }
+                }
+            }
 
-                    else
-                    {
-                        foreach (uint id in coldata.Keys)
-                        {
-                            thisHitColliders.Add(id);
-                            if (!m_lastColliders.Contains(id))
-                            {
-                                startedColliders.Add(id);
-                                curcontact = coldata[id];
-                                if (Math.Abs(curcontact.RelativeSpeed) > 0.2)
-                                {
-                                    soundinfo = new CollisionForSoundInfo();
-                                    soundinfo.colliderID = id;
-                                    soundinfo.position = curcontact.Position;
-                                    soundinfo.relativeVel = curcontact.RelativeSpeed;
-                                    soundinfolist.Add(soundinfo);
-                                }
-                            }
-                            //m_log.Debug("[SCENE PRESENCE]: Collided with:" + localid.ToString() + " at depth of: " + collissionswith[localid].ToString());
-                        }
+            colliderArgs.Colliders = colliding;
 
-                        // calculate things that ended colliding
-                        foreach (uint localID in m_lastColliders)
-                        {
-                            if (!thisHitColliders.Contains(localID))
-                            {
-                                endedColliders.Add(localID);
-                            }
-                        }
-                        //add the items that started colliding this time to the last colliders list.
-                        foreach (uint localID in startedColliders)
-                        {
-                            m_lastColliders.Add(localID);
-                        }
-                        // remove things that ended colliding from the last colliders list
-                        foreach (uint localID in endedColliders)
-                        {
-                            m_lastColliders.Remove(localID);
-                        }
-
-                        if (soundinfolist.Count > 0)
-                            CollisionSounds.AvatarCollisionSound(this, soundinfolist);
+            return colliderArgs;
+        }
 
-                        // do event notification
-                        if (startedColliders.Count > 0)
-                        {
+        private delegate void ScriptCollidingNotification(uint localID, ColliderArgs message);
 
-                            ColliderArgs StartCollidingMessage = new ColliderArgs();
-                            List<DetectedObject> colliding = new List<DetectedObject>();
-                            foreach (uint localId in startedColliders)
-                            {
-                                if (localId == 0)
-                                    continue;
+        private void SendCollisionEvent(SceneObjectGroup dest, scriptEvents ev, List<uint> colliders, ScriptCollidingNotification notify)
+        {
+            ColliderArgs CollidingMessage;
 
-                                SceneObjectPart obj = Scene.GetSceneObjectPart(localId);
-                                string data = "";
-                                if (obj != null)
-                                {
-                                    DetectedObject detobj = new DetectedObject();
-                                    detobj.keyUUID = obj.UUID;
-                                    detobj.nameStr = obj.Name;
-                                    detobj.ownerUUID = obj.OwnerID;
-                                    detobj.posVector = obj.AbsolutePosition;
-                                    detobj.rotQuat = obj.GetWorldRotation();
-                                    detobj.velVector = obj.Velocity;
-                                    detobj.colliderType = 0;
-                                    detobj.groupUUID = obj.GroupID;
-                                    colliding.Add(detobj);
-                                }
-                            }
+            if (colliders.Count > 0)
+            {
+                if ((dest.RootPart.ScriptEvents & ev) != 0)
+                {
+                    CollidingMessage = CreateColliderArgs(dest.RootPart, colliders);
 
-                            if (colliding.Count > 0)
-                            {
-                                StartCollidingMessage.Colliders = colliding;
+                    if (CollidingMessage.Colliders.Count > 0)
+                        notify(dest.RootPart.LocalId, CollidingMessage);
+                }
+            }
+        }
 
-                                foreach (SceneObjectGroup att in GetAttachments())
-                                    Scene.EventManager.TriggerScriptCollidingStart(att.LocalId, StartCollidingMessage);
-                            }
-                        }
-                    }
+        private void SendLandCollisionEvent(SceneObjectGroup dest, scriptEvents ev, ScriptCollidingNotification notify)
+        {
+            if ((dest.RootPart.ScriptEvents & ev) != 0)
+            {
+                ColliderArgs LandCollidingMessage = new ColliderArgs();
+                List<DetectedObject> colliding = new List<DetectedObject>();
 
-                    if (endedColliders.Count > 0)
-                    {
-                        ColliderArgs EndCollidingMessage = new ColliderArgs();
-                        List<DetectedObject> colliding = new List<DetectedObject>();
-                        foreach (uint localId in endedColliders)
-                        {
-                            if (localId == 0)
-                                continue;
+                colliding.Add(CreateDetObjectForGround());
+                LandCollidingMessage.Colliders = colliding;
 
-                            SceneObjectPart obj = Scene.GetSceneObjectPart(localId);
-                            string data = "";
-                            if (obj != null)
-                            {
-                                DetectedObject detobj = new DetectedObject();
-                                detobj.keyUUID = obj.UUID;
-                                detobj.nameStr = obj.Name;
-                                detobj.ownerUUID = obj.OwnerID;
-                                detobj.posVector = obj.AbsolutePosition;
-                                detobj.rotQuat = obj.GetWorldRotation();
-                                detobj.velVector = obj.Velocity;
-                                detobj.colliderType = 0;
-                                detobj.groupUUID = obj.GroupID;
-                                colliding.Add(detobj);
-                            }
-                        }
+                notify(dest.RootPart.LocalId, LandCollidingMessage);
+            }
+        }
 
-                        if (colliding.Count > 0)
-                        {
-                            EndCollidingMessage.Colliders = colliding;
+        private void RaiseCollisionScriptEvents(Dictionary<uint, ContactPoint> coldata)
+        {
+            try
+            {
+                List<uint> thisHitColliders = new List<uint>();
+                List<uint> endedColliders = new List<uint>();
+                List<uint> startedColliders = new List<uint>();
+                List<CollisionForSoundInfo> soundinfolist = new List<CollisionForSoundInfo>();
+                CollisionForSoundInfo soundinfo;
+                ContactPoint curcontact;
+
+                if (coldata.Count == 0)
+                {
+                    if (m_lastColliders.Count == 0)
+                        return; // nothing to do
 
-                            foreach (SceneObjectGroup att in GetAttachments())
-                                Scene.EventManager.TriggerScriptCollidingEnd(att.LocalId, EndCollidingMessage);
-                        }
+                    foreach (uint localID in m_lastColliders)
+                    {
+                        endedColliders.Add(localID);
                     }
+                    m_lastColliders.Clear();
+                }
 
-                    if (thisHitColliders.Count > 0)
+                else
+                {
+                    foreach (uint id in coldata.Keys)
                     {
-                        ColliderArgs CollidingMessage = new ColliderArgs();
-                        List<DetectedObject> colliding = new List<DetectedObject>();
-                        foreach (uint localId in thisHitColliders)
+                        thisHitColliders.Add(id);
+                        if (!m_lastColliders.Contains(id))
                         {
-                            if (localId == 0)
-                                continue;
-
-                            SceneObjectPart obj = Scene.GetSceneObjectPart(localId);
-                            string data = "";
-                            if (obj != null)
+                            startedColliders.Add(id);
+                            curcontact = coldata[id];
+                            if (Math.Abs(curcontact.RelativeSpeed) > 0.2)
                             {
-                                DetectedObject detobj = new DetectedObject();
-                                detobj.keyUUID = obj.UUID;
-                                detobj.nameStr = obj.Name;
-                                detobj.ownerUUID = obj.OwnerID;
-                                detobj.posVector = obj.AbsolutePosition;
-                                detobj.rotQuat = obj.GetWorldRotation();
-                                detobj.velVector = obj.Velocity;
-                                detobj.colliderType = 0;
-                                detobj.groupUUID = obj.GroupID;
-                                colliding.Add(detobj);
+                                soundinfo = new CollisionForSoundInfo();
+                                soundinfo.colliderID = id;
+                                soundinfo.position = curcontact.Position;
+                                soundinfo.relativeVel = curcontact.RelativeSpeed;
+                                soundinfolist.Add(soundinfo);
                             }
                         }
+                        //m_log.Debug("[SCENE PRESENCE]: Collided with:" + localid.ToString() + " at depth of: " + collissionswith[localid].ToString());
+                    }
 
-                        if (colliding.Count > 0)
+                    // calculate things that ended colliding
+                    foreach (uint localID in m_lastColliders)
+                    {
+                        if (!thisHitColliders.Contains(localID))
                         {
-                            CollidingMessage.Colliders = colliding;
-
-                            lock (m_attachments)
-                            {
-                                foreach (SceneObjectGroup att in m_attachments)
-                                    Scene.EventManager.TriggerScriptColliding(att.LocalId, CollidingMessage);
-                            }
+                            endedColliders.Add(localID);
                         }
                     }
+                    //add the items that started colliding this time to the last colliders list.
+                    foreach (uint localID in startedColliders)
+                    {
+                        m_lastColliders.Add(localID);
+                    }
+                    // remove things that ended colliding from the last colliders list
+                    foreach (uint localID in endedColliders)
+                    {
+                        m_lastColliders.Remove(localID);
+                    }
+
+                    if (soundinfolist.Count > 0)
+                        CollisionSounds.AvatarCollisionSound(this, soundinfolist);
                 }
-                finally
+
+                foreach (SceneObjectGroup att in GetAttachments())
                 {
-                    m_collisionEventFlag = false;
+                    SendCollisionEvent(att, scriptEvents.collision_start, startedColliders, m_scene.EventManager.TriggerScriptCollidingStart);
+                    SendCollisionEvent(att, scriptEvents.collision      , m_lastColliders , m_scene.EventManager.TriggerScriptColliding);
+                    SendCollisionEvent(att, scriptEvents.collision_end  , endedColliders  , m_scene.EventManager.TriggerScriptCollidingEnd);
+
+                    if (startedColliders.Contains(0))
+                        SendLandCollisionEvent(att, scriptEvents.land_collision_start, m_scene.EventManager.TriggerScriptLandCollidingStart);
+                    if (m_lastColliders.Contains(0))
+                        SendLandCollisionEvent(att, scriptEvents.land_collision, m_scene.EventManager.TriggerScriptLandColliding);
+                    if (endedColliders.Contains(0))
+                        SendLandCollisionEvent(att, scriptEvents.land_collision_end, m_scene.EventManager.TriggerScriptLandCollidingEnd);
                 }
-//            });
+            }
+            finally
+            {
+                m_collisionEventFlag = false;
+            }
         }
 
         private void TeleportFlagsDebug() {
diff --git a/OpenSim/Region/Physics/UbitOdePlugin/ODECharacter.cs b/OpenSim/Region/Physics/UbitOdePlugin/ODECharacter.cs
index 093bc3c..6e4e41f 100644
--- a/OpenSim/Region/Physics/UbitOdePlugin/ODECharacter.cs
+++ b/OpenSim/Region/Physics/UbitOdePlugin/ODECharacter.cs
@@ -1118,6 +1118,7 @@ namespace OpenSim.Region.Physics.OdePlugin
             if (CollisionEventsThisFrame == null)
                 CollisionEventsThisFrame = new CollisionEventUpdate();
             CollisionEventsThisFrame.AddCollider(CollidedWith, contact);
+            _parent_scene.AddCollisionEventReporting(this);
         }
 
         public void SendCollisions()
diff --git a/OpenSim/Region/Physics/UbitOdePlugin/ODEPrim.cs b/OpenSim/Region/Physics/UbitOdePlugin/ODEPrim.cs
index 5109a6a..9a40ab5 100644
--- a/OpenSim/Region/Physics/UbitOdePlugin/ODEPrim.cs
+++ b/OpenSim/Region/Physics/UbitOdePlugin/ODEPrim.cs
@@ -1621,12 +1621,13 @@ namespace OpenSim.Region.Physics.OdePlugin
 

             if (Body != IntPtr.Zero)

             {

-                d.BodyDestroy(Body);

-                Body = IntPtr.Zero;

+//                d.BodyDestroy(Body);

+//                Body = IntPtr.Zero;

+                // do a more complet destruction

+                DestroyBody();

                 m_log.Warn("[PHYSICS]: MakeBody called having a body");

             }

 

-

             if (d.GeomGetBody(prim_geom) != IntPtr.Zero)

             {

                 d.GeomSetBody(prim_geom, IntPtr.Zero);

@@ -3320,6 +3321,10 @@ namespace OpenSim.Region.Physics.OdePlugin
 

         protected void changeBuilding(bool newbuilding)

         {

+            // Check if we need to do anything

+            if (newbuilding == m_building)

+                return;

+

             if ((bool)newbuilding)

             {

                 m_building = true;

@@ -4066,4 +4071,4 @@ namespace OpenSim.Region.Physics.OdePlugin
             public Vector3 value;

         }

     }

-}
\ No newline at end of file
+}

diff --git a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
index 03f4108..2700495 100644
--- a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
+++ b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
@@ -1272,6 +1272,10 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
                     if (!allow)
                         return;
 
+                    if (m_host.ParentGroup.RootPart.PhysActor != null &&
+                        m_host.ParentGroup.RootPart.PhysActor.IsPhysical)
+                        return;
+
                     m_host.ScriptSetPhysicsStatus(true);
                 }
                 else