1 files changed, 8 insertions, 5 deletions

diff --git a/OpenSim/Region/Framework/Scenes/SceneObjectGroup.cs b/OpenSim/Region/Framework/Scenes/SceneObjectGroup.cs
index 44c476c..c6b98ca 100644
--- a/OpenSim/Region/Framework/Scenes/SceneObjectGroup.cs
+++ b/OpenSim/Region/Framework/Scenes/SceneObjectGroup.cs
@@ -109,6 +109,9 @@ namespace OpenSim.Region.Framework.Scenes
             STATUS_ROTATE_Z = 0x008,
         }
 
+        // This flag has the same purpose as InventoryItemFlags.ObjectSlamPerm
+        public static readonly uint SLAM = 16;
+
         // private PrimCountTaintedDelegate handlerPrimCountTainted = null;
 
         /// <summary>
@@ -3230,13 +3233,10 @@ namespace OpenSim.Region.Framework.Scenes
 
             Vector3 oldPos;
 
-            // FIXME: This improves the situation where editing just the root prim of an attached object would send
-            // all the other parts to oblivion after detach/reattach.  However, a problem remains since the root prim
-            // still ends up in the wrong position on reattach.
             if (IsAttachment)
-                oldPos = RootPart.OffsetPosition;
+                oldPos = m_rootPart.AttachedPos + m_rootPart.OffsetPosition;  // OffsetPosition should always be 0 in an attachments's root prim
             else
-                oldPos = AbsolutePosition + RootPart.OffsetPosition;
+                oldPos = AbsolutePosition + m_rootPart.OffsetPosition;
 
             Vector3 diff = oldPos - newPos;
             Quaternion partRotation = m_rootPart.RotationOffset;
@@ -3251,6 +3251,9 @@ namespace OpenSim.Region.Framework.Scenes
             }
 
             AbsolutePosition = newPos;
+            
+            if (IsAttachment)
+                m_rootPart.AttachedPos = newPos;
 
             HasGroupChanged = true;
             ScheduleGroupForTerseUpdate();