2 files changed, 56 insertions, 3 deletions

diff --git a/OpenSim/Region/Environment/Scenes/SceneObjectGroup.cs b/OpenSim/Region/Environment/Scenes/SceneObjectGroup.cs
index 6af7662..4f65cc7 100644
--- a/OpenSim/Region/Environment/Scenes/SceneObjectGroup.cs
+++ b/OpenSim/Region/Environment/Scenes/SceneObjectGroup.cs
@@ -1179,9 +1179,12 @@ namespace OpenSim.Region.Environment.Scenes
             SceneObjectPart rootpart = m_rootPart;
             if (rootpart != null)
             {
-                rootpart.PhysActor.PIDTarget = new PhysicsVector(target.X, target.Y, target.Z);
-                rootpart.PhysActor.PIDTau = tau;
-                rootpart.PhysActor.PIDActive = true;
+                if (rootpart.PhysActor != null)
+                {
+                    rootpart.PhysActor.PIDTarget = new PhysicsVector(target.X, target.Y, target.Z);
+                    rootpart.PhysActor.PIDTau = tau;
+                    rootpart.PhysActor.PIDActive = true;
+                }
             }
         }
 
@@ -2229,5 +2232,38 @@ namespace OpenSim.Region.Environment.Scenes
         }
 
         #endregion
+
+        internal void SetAxisRotation(int axis, int rotate10)
+        {
+            bool setX = false;
+            bool setY = false;
+            bool setZ = false;
+
+            int xaxis = 2;
+            int yaxis = 4;
+            int zaxis = 8;
+
+            if (m_rootPart != null)
+            {
+                setX = ((axis & xaxis) != 0) ? true : false;
+                setY = ((axis & yaxis) != 0) ? true : false;
+                setZ = ((axis & zaxis) != 0) ? true : false;
+
+                float setval = (rotate10 > 0) ? 1f : 0f;
+
+                if (setX)
+                    m_rootPart.m_rotationAxis.X = setval;
+                if (setY)
+                    m_rootPart.m_rotationAxis.Y = setval;
+                if (setZ)
+                    m_rootPart.m_rotationAxis.Z = setval;
+
+                if (setX || setY || setZ)
+                {
+                    m_rootPart.SetPhysicsAxisRotation();
+                }
+
+            }
+        }
     }
 }
\ No newline at end of file
diff --git a/OpenSim/Region/Environment/Scenes/SceneObjectPart.cs b/OpenSim/Region/Environment/Scenes/SceneObjectPart.cs
index 4c781c5..9277954 100644
--- a/OpenSim/Region/Environment/Scenes/SceneObjectPart.cs
+++ b/OpenSim/Region/Environment/Scenes/SceneObjectPart.cs
@@ -104,6 +104,7 @@ namespace OpenSim.Region.Environment.Scenes
         private Vector3 m_sitTargetPosition = new Vector3(0, 0, 0);
         private Quaternion m_sitTargetOrientation = new Quaternion(0, 0, 0, 1);
         public  LLUUID m_sitTargetAvatar = LLUUID.Zero;
+        [XmlIgnore] public PhysicsVector m_rotationAxis = new PhysicsVector(1f,1f,1f);
 
         #region Permissions
 
@@ -1290,6 +1291,21 @@ namespace OpenSim.Region.Environment.Scenes
                 PhysActor.Buoyancy = fvalue;
             }
         }
+        
+        public void SetAxisRotation(int axis, int rotate)
+        {
+            if (m_parentGroup != null)
+            {
+                m_parentGroup.SetAxisRotation(axis, rotate);
+
+            }
+        }
+
+        public void SetPhysicsAxisRotation()
+        {
+            PhysActor.LockAngularMotion(m_rotationAxis);
+            m_parentGroup.Scene.PhysicsScene.AddPhysicsActorTaint(PhysActor);
+        }
 
         public void SetFloatOnWater(int floatYN)
         {
@@ -1306,6 +1322,7 @@ namespace OpenSim.Region.Environment.Scenes
 
             }
         }
+        
 
         public LLVector3 GetSitTargetPositionLL()
         {