3 files changed, 34 insertions, 24 deletions

diff --git a/OpenSim/Region/Framework/Scenes/SceneObjectGroup.cs b/OpenSim/Region/Framework/Scenes/SceneObjectGroup.cs
index 3adeef1..aa1f7bc 100644
--- a/OpenSim/Region/Framework/Scenes/SceneObjectGroup.cs
+++ b/OpenSim/Region/Framework/Scenes/SceneObjectGroup.cs
@@ -2895,9 +2895,11 @@ namespace OpenSim.Region.Framework.Scenes
 //            m_log.DebugFormat(
 //                "[SCENE OBJECT GROUP]: Updating group rotation R of {0} {1} to {2}", Name, LocalId, rot);
 
-            SceneObjectPart[] parts = m_parts.GetArray();
-            for (int i = 0; i < parts.Length; i++)
-                parts[i].StoreUndoState();
+//            SceneObjectPart[] parts = m_parts.GetArray();
+//            for (int i = 0; i < parts.Length; i++)
+//                parts[i].StoreUndoState();
+
+            m_rootPart.StoreUndoState(true);
 
             m_rootPart.UpdateRotation(rot);
 
@@ -2922,9 +2924,12 @@ namespace OpenSim.Region.Framework.Scenes
 //            m_log.DebugFormat(
 //                "[SCENE OBJECT GROUP]: Updating group rotation PR of {0} {1} to {2}", Name, LocalId, rot);
 
-            SceneObjectPart[] parts = m_parts.GetArray();
-            for (int i = 0; i < parts.Length; i++)
-                parts[i].StoreUndoState();
+//            SceneObjectPart[] parts = m_parts.GetArray();
+//            for (int i = 0; i < parts.Length; i++)
+//                parts[i].StoreUndoState();
+
+            RootPart.StoreUndoState(true);
+            RootPart.IgnoreUndoUpdate = true;
 
             m_rootPart.UpdateRotation(rot);
 
@@ -2939,6 +2944,8 @@ namespace OpenSim.Region.Framework.Scenes
 
             HasGroupChanged = true;
             ScheduleGroupForTerseUpdate();
+
+            RootPart.IgnoreUndoUpdate = false;
         }
 
         /// <summary>
diff --git a/OpenSim/Region/Framework/Scenes/SceneObjectPart.cs b/OpenSim/Region/Framework/Scenes/SceneObjectPart.cs
index af836f6..c3aca15 100644
--- a/OpenSim/Region/Framework/Scenes/SceneObjectPart.cs
+++ b/OpenSim/Region/Framework/Scenes/SceneObjectPart.cs
@@ -3706,8 +3706,8 @@ namespace OpenSim.Region.Framework.Scenes
                                 m_undo.Push(nUndo);
 
                                 m_log.DebugFormat(
-                                    "[SCENE OBJECT PART]: Stored undo state for {0} {1}, stack size now {2}",
-                                    Name, LocalId, m_undo.Count);
+                                    "[SCENE OBJECT PART]: Stored undo state for {0} {1}, forGroup {2}, stack size now {3}",
+                                    Name, LocalId, forGroup, m_undo.Count);
                             }
                         }
                     }
diff --git a/OpenSim/Region/Framework/Scenes/UndoState.cs b/OpenSim/Region/Framework/Scenes/UndoState.cs
index faa1f9e..6f6504c 100644
--- a/OpenSim/Region/Framework/Scenes/UndoState.cs
+++ b/OpenSim/Region/Framework/Scenes/UndoState.cs
@@ -35,7 +35,7 @@ namespace OpenSim.Region.Framework.Scenes
 {
     public class UndoState
     {
-//        private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
+        private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
 
         public Vector3 Position = Vector3.Zero;
         public Vector3 Scale = Vector3.Zero;
@@ -57,23 +57,25 @@ namespace OpenSim.Region.Framework.Scenes
             {
                 if (part.ParentID == 0)
                 {
-//                    m_log.DebugFormat(
-//                        "[UNDO STATE]: Storing undo position {0} for root part", part.ParentGroup.AbsolutePosition);
+                    ForGroup = forGroup;
 
                     if (ForGroup)
                         Position = part.ParentGroup.AbsolutePosition;
                     else
                         Position = part.OffsetPosition;
 
-//                    m_log.DebugFormat(
-//                        "[UNDO STATE]: Storing undo rotation {0} for root part", part.RotationOffset);
+                    m_log.DebugFormat(
+                        "[UNDO STATE]: Storing undo position {0} for root part", Position);
+
                     Rotation = part.RotationOffset;
 
-//                    m_log.DebugFormat(
-//                        "[UNDO STATE]: Storing undo scale {0} for root part", part.Shape.Scale);
+                    m_log.DebugFormat(
+                        "[UNDO STATE]: Storing undo rotation {0} for root part", Rotation);
+
                     Scale = part.Shape.Scale;
 
-                    ForGroup = forGroup;
+                    m_log.DebugFormat(
+                        "[UNDO STATE]: Storing undo scale {0} for root part", Scale);
                 }
                 else
                 {
@@ -132,23 +134,24 @@ namespace OpenSim.Region.Framework.Scenes
 
                 if (part.ParentID == 0)
                 {
+                    m_log.DebugFormat(
+                        "[UNDO STATE]: Undoing position to {0} for root part {1} {2}",
+                        Position, part.Name, part.LocalId);
+
                     if (Position != Vector3.Zero)
                     {
-//                        m_log.DebugFormat(
-//                            "[UNDO STATE]: Undoing position {0} to {1} for root part {2} {3}",
-//                            part.ParentGroup.AbsolutePosition, Position, part.Name, part.LocalId);
-
                         if (ForGroup)
                             part.ParentGroup.AbsolutePosition = Position;
                         else
                             part.OffsetPosition = Position;
                     }
 
-//                    m_log.DebugFormat(
-//                        "[UNDO STATE]: Undoing rotation {0} to {1} for root part {2} {3}",
-//                        part.RotationOffset, Rotation, part.Name, part.LocalId);
+                    m_log.DebugFormat(
+                        "[UNDO STATE]: Undoing rotation {0} to {1} for root part {2} {3}",
+                        part.RotationOffset, Rotation, part.Name, part.LocalId);
 
-                    part.RotationOffset = Rotation;
+                    part.UpdateRotation(Rotation);
+                    //part.RotationOffset = Rotation;
 
                     if (Scale != Vector3.Zero)
                     {