From a6af561660759ef7625d88213b7d43b76e687280 Mon Sep 17 00:00:00 2001
From: teravus
Date: Tue, 20 Aug 2013 21:09:17 -0500
Subject: * Fix some threading issues in BulletXNA (the managed bullet
 library), this should better allow you to run it in multiple region scenarios
 (but why would you really want to do that?)  Source in OpenSimLibs. * Fixed a
 null ref during shutdown.

---
 OpenSim/Region/Framework/Scenes/SceneObjectPart.cs | 5 +++--
 1 file changed, 3 insertions(+), 2 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 eb3af42..c9ff4f3 100644
--- a/OpenSim/Region/Framework/Scenes/SceneObjectPart.cs
+++ b/OpenSim/Region/Framework/Scenes/SceneObjectPart.cs
@@ -4089,7 +4089,7 @@ 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 != null && ParentGroup.Scene.PhysicsScene.SupportsNINJAJoints)
+            if (ParentGroup.Scene != null && ParentGroup.Scene.PhysicsScene != null && ParentGroup.Scene.PhysicsScene.SupportsNINJAJoints)
             {
                 return IsHingeJoint() || IsBallJoint();
             }
@@ -4413,7 +4413,8 @@ namespace OpenSim.Region.Framework.Scenes
         public void RemoveFromPhysics()
         {
             ParentGroup.Scene.EventManager.TriggerObjectRemovedFromPhysicalScene(this);
-            ParentGroup.Scene.PhysicsScene.RemovePrim(PhysActor);
+            if (ParentGroup.Scene.PhysicsScene != null)
+                ParentGroup.Scene.PhysicsScene.RemovePrim(PhysActor);
             PhysActor = null;
         }
 
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