From dd745f60c201aee7ff48ba81d567e7b38a8f186c Mon Sep 17 00:00:00 2001
From: UbitUmarov
Date: Sat, 28 Apr 2012 21:36:38 +0100
Subject: fix llGetCenterOfMass  ( checked with ubitODE only)

---
 OpenSim/Region/Framework/Scenes/SceneObjectPart.cs | 40 ++++++++++++++++++++--
 1 file changed, 37 insertions(+), 3 deletions(-)

(limited to 'OpenSim/Region/Framework/Scenes/SceneObjectPart.cs')

diff --git a/OpenSim/Region/Framework/Scenes/SceneObjectPart.cs b/OpenSim/Region/Framework/Scenes/SceneObjectPart.cs
index c9659cb..b198ca7 100644
--- a/OpenSim/Region/Framework/Scenes/SceneObjectPart.cs
+++ b/OpenSim/Region/Framework/Scenes/SceneObjectPart.cs
@@ -1865,7 +1865,7 @@ namespace OpenSim.Region.Framework.Scenes
             {
                 if ((!isPhantom || isPhysical || _VolumeDetectActive) && !ParentGroup.IsAttachment
                                                 && !(Shape.PathCurve == (byte)Extrusion.Flexible))
-                    AddToPhysics(isPhysical, isPhantom, building, true);
+                    AddToPhysics(isPhysical, isPhantom, building, isPhysical);
                 else
                     PhysActor = null; // just to be sure
             }
@@ -2308,7 +2308,7 @@ namespace OpenSim.Region.Framework.Scenes
              */
         }
 
-         public float GetMass()
+        public float GetMass()
         {
             PhysicsActor pa = PhysActor;
 
@@ -2318,6 +2318,40 @@ namespace OpenSim.Region.Framework.Scenes
                 return 0;
         }
 
+        public Vector3 GetCenterOfMass()
+        {
+            if (ParentGroup.RootPart == this)
+            {
+                if (ParentGroup.IsDeleted)
+                    return AbsolutePosition;
+                return ParentGroup.GetCenterOfMass();
+            }
+
+            PhysicsActor pa = PhysActor;
+
+            if (pa != null)
+            {
+                Vector3 tmp = pa.CenterOfMass;
+                return tmp;
+            }
+            else
+                return AbsolutePosition;
+        }
+
+        public Vector3 GetPartCenterOfMass()
+        {
+            PhysicsActor pa = PhysActor;
+
+            if (pa != null)
+            {
+                Vector3 tmp = pa.CenterOfMass;
+                return tmp;
+            }
+            else
+                return AbsolutePosition;
+        }
+
+
         public Vector3 GetForce()
         {
             return Force;
@@ -4802,7 +4836,7 @@ namespace OpenSim.Region.Framework.Scenes
                 {
                     Velocity = velocity;
                     AngularVelocity = rotationalVelocity;
-                    pa.Velocity = velocity;
+//                    pa.Velocity = velocity;
                     pa.RotationalVelocity = rotationalVelocity;
 
                     // if not vehicle and root part apply force and torque
-- 
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