2 files changed, 13 insertions, 4 deletions

diff --git a/OpenSim/Region/Framework/Scenes/SceneObjectGroup.cs b/OpenSim/Region/Framework/Scenes/SceneObjectGroup.cs
index 8fa7880..aab6a49 100644
--- a/OpenSim/Region/Framework/Scenes/SceneObjectGroup.cs
+++ b/OpenSim/Region/Framework/Scenes/SceneObjectGroup.cs
@@ -2992,10 +2992,14 @@ namespace OpenSim.Region.Framework.Scenes
                     {
                         if (!m_rootPart.BlockGrab)
                         {
-                            Vector3 llmoveforce = pos - AbsolutePosition;
+/*                            Vector3 llmoveforce = pos - AbsolutePosition;
                             Vector3 grabforce = llmoveforce;
                             grabforce = (grabforce / 10) * pa.Mass;
-                            pa.AddForce(grabforce, true);
+ */
+                            // empirically convert distance diference to a impulse
+                            Vector3 grabforce = pos - AbsolutePosition;
+                            grabforce = grabforce * (pa.Mass/ 10.0f);
+                            pa.AddForce(grabforce, false);
                             m_scene.PhysicsScene.AddPhysicsActorTaint(pa);
                         }
                     }
diff --git a/OpenSim/Region/Framework/Scenes/ScenePresence.cs b/OpenSim/Region/Framework/Scenes/ScenePresence.cs
index 2b1fb3d..a810de2 100644
--- a/OpenSim/Region/Framework/Scenes/ScenePresence.cs
+++ b/OpenSim/Region/Framework/Scenes/ScenePresence.cs
@@ -1051,6 +1051,7 @@ namespace OpenSim.Region.Framework.Scenes
             IsChildAgent = true;
             m_scene.SwapRootAgentCount(true);
             RemoveFromPhysicalScene();
+            ParentID = 0; // Child agents can't be sitting
 
             // FIXME: Set RegionHandle to the region handle of the scene this agent is moving into
             
@@ -2091,6 +2092,9 @@ namespace OpenSim.Region.Framework.Scenes
 
         public void HandleAgentRequestSit(IClientAPI remoteClient, UUID agentID, UUID targetID, Vector3 offset)
         {
+            if (IsChildAgent)
+                return;
+
             if (ParentID != 0)
             {
                 StandUp();
@@ -2893,8 +2897,9 @@ namespace OpenSim.Region.Framework.Scenes
 
             // If we don't have a PhysActor, we can't cross anyway
             // Also don't do this while sat, sitting avatars cross with the
-            // object they sit on.
-            if (ParentID != 0 || PhysicsActor == null)
+            // object they sit on. ParentUUID denoted a pending sit, don't
+            // interfere with it.
+            if (ParentID != 0 || PhysicsActor == null || ParentUUID != UUID.Zero)
                 return;
 
             if (!IsInTransit)