1 files changed, 23 insertions, 9 deletions

diff --git a/OpenSim/Region/Framework/Scenes/SceneObjectPart.cs b/OpenSim/Region/Framework/Scenes/SceneObjectPart.cs
index a57e9bc..bb8d065 100644
--- a/OpenSim/Region/Framework/Scenes/SceneObjectPart.cs
+++ b/OpenSim/Region/Framework/Scenes/SceneObjectPart.cs
@@ -1016,7 +1016,18 @@ namespace OpenSim.Region.Framework.Scenes
         public int LinkNum
         {
             get { return m_linkNum; }
-            set { m_linkNum = value; }
+            set
+            {
+//                if (ParentGroup != null)
+//                {
+//                    m_log.DebugFormat(
+//                        "[SCENE OBJECT PART]: Setting linknum of {0}@{1} to {2} from {3}",
+//                        Name, AbsolutePosition, value, m_linkNum);
+//                    Util.PrintCallStack();
+//                }
+
+                m_linkNum = value;
+            }
         }
 
         public byte ClickAction
@@ -2153,6 +2164,9 @@ namespace OpenSim.Region.Framework.Scenes
         /// <param name="isNew"></param>
         public void DoPhysicsPropertyUpdate(bool UsePhysics, bool isNew)
         {
+            if (ParentGroup.Scene == null)
+                return;
+
             if (!ParentGroup.Scene.PhysicalPrims && UsePhysics)
                 return;
 
@@ -3621,7 +3635,6 @@ namespace OpenSim.Region.Framework.Scenes
             hasProfileCut = hasDimple; // is it the same thing?
         }
         
-
         public void SetGroup(UUID groupID, IClientAPI client)
         {
             // Scene.AddNewPrims() calls with client == null so can't use this.
@@ -3651,10 +3664,12 @@ namespace OpenSim.Region.Framework.Scenes
 
         public void SetPhysicsAxisRotation()
         {
-            if (PhysActor != null)
+            PhysicsActor pa = PhysActor;
+
+            if (pa != null)
             {
-                PhysActor.LockAngularMotion(RotationAxis);
-                ParentGroup.Scene.PhysicsScene.AddPhysicsActorTaint(PhysActor);
+                pa.LockAngularMotion(RotationAxis);
+                ParentGroup.Scene.PhysicsScene.AddPhysicsActorTaint(pa);
             }
         }
 
@@ -4371,7 +4386,7 @@ namespace OpenSim.Region.Framework.Scenes
             // For now, we use the NINJA naming scheme for identifying joints.
             // In the future, we can support other joint specification schemes such as a 
             // custom checkbox in the viewer GUI.
-            if (ParentGroup.Scene.PhysicsScene.SupportsNINJAJoints)
+            if (ParentGroup.Scene != null && ParentGroup.Scene.PhysicsScene.SupportsNINJAJoints)
             {
                 string hingeString = "hingejoint";
                 return (Name.Length >= hingeString.Length && Name.Substring(0, hingeString.Length) == hingeString);
@@ -4387,7 +4402,7 @@ namespace OpenSim.Region.Framework.Scenes
             // For now, we use the NINJA naming scheme for identifying joints.
             // In the future, we can support other joint specification schemes such as a 
             // custom checkbox in the viewer GUI.
-            if (ParentGroup.Scene.PhysicsScene.SupportsNINJAJoints)
+            if (ParentGroup.Scene != null && ParentGroup.Scene.PhysicsScene.SupportsNINJAJoints)
             {
                 string ballString = "balljoint";
                 return (Name.Length >= ballString.Length && Name.Substring(0, ballString.Length) == ballString);
@@ -4403,7 +4418,7 @@ namespace OpenSim.Region.Framework.Scenes
             // For now, we use the NINJA naming scheme for identifying joints.
             // In the future, we can support other joint specification schemes such as a 
             // custom checkbox in the viewer GUI.
-            if (ParentGroup.Scene.PhysicsScene.SupportsNINJAJoints)
+            if (ParentGroup.Scene != null && ParentGroup.Scene.PhysicsScene.SupportsNINJAJoints)
             {
                 return IsHingeJoint() || IsBallJoint();
             }
@@ -4524,7 +4539,6 @@ namespace OpenSim.Region.Framework.Scenes
                                                 }
                          */
                     }
-
                     else // it already has a physical representation
                     {
                         DoPhysicsPropertyUpdate(UsePhysics, false); // Update physical status.