From f82b903deeaaf8eaa7ae5c4d4b7e917dd0a6ce7b Mon Sep 17 00:00:00 2001
From: Robert Adams
Date: Thu, 27 Sep 2012 08:23:29 -0700
Subject: BulletSim: Fix linkset crash. Caused by the different body and shape 
    pointers at runtime and at taint-time. Now passes the body into the    
 taint. Vehicles zero inertia when active to eliminate Bullet's contribution  
   to vehicle motion.

---
 OpenSim/Region/Physics/BulletSPlugin/BSPhysObject.cs | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

(limited to 'OpenSim/Region/Physics/BulletSPlugin/BSPhysObject.cs')

diff --git a/OpenSim/Region/Physics/BulletSPlugin/BSPhysObject.cs b/OpenSim/Region/Physics/BulletSPlugin/BSPhysObject.cs
index 4f83adc..df95625 100755
--- a/OpenSim/Region/Physics/BulletSPlugin/BSPhysObject.cs
+++ b/OpenSim/Region/Physics/BulletSPlugin/BSPhysObject.cs
@@ -135,8 +135,11 @@ public abstract class BSPhysObject : PhysicsActor
     //      collision event to make collision_end work.
     // Called at taint time from within the Step() function thus no locking problems
     //      with CollisionCollection and ObjectsWithNoMoreCollisions.
-    public virtual void SendCollisions()
+    // Return 'true' if there were some actual collisions passed up
+    public virtual bool SendCollisions()
     {
+        bool ret = true;
+
         // throttle the collisions to the number of milliseconds specified in the subscription
         int nowTime = PhysicsScene.SimulationNowTime;
         if (nowTime >= NextCollisionOkTime)
@@ -148,7 +151,7 @@ public abstract class BSPhysObject : PhysicsActor
             if (CollisionCollection.Count == 0)
             {
                 // If I have no collisions this time, remove me from the list of objects with collisions.
-                PhysicsScene.ObjectsWithNoMoreCollisions.Add(this);
+                ret = false;
             }
 
             // DetailLog("{0},{1}.SendCollisionUpdate,call,numCollisions={2}", LocalID, TypeName, CollisionCollection.Count);
@@ -158,6 +161,7 @@ public abstract class BSPhysObject : PhysicsActor
             // Make sure we don't have a handle to that one and that a new one is used for next time.
             CollisionCollection = new CollisionEventUpdate();
         }
+        return ret;
     }
 
     // Subscribe for collision events.
-- 
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