Some work-in-progress on making btDbvtBroadphase deterministic. When using the btSortedOverlappingPairCache, it seems deterministic now. todo: when using btHashedOverlappingPairCache.

src/BulletCollision/BroadphaseCollision/btMultiSapBroadphase.cpp

@@ -482,3 +482,8 @@ void	btMultiSapBroadphase::printStats()
 		*/
 
 }
+
+void btMultiSapBroadphase::resetPool(btDispatcher* dispatcher)
+{
+	// not yet
+}