enabled the vehicle demo again (still needs lots of tuning before it drives well)

fixed some warnings

src/BulletCollision/BroadphaseCollision/btOverlappingPairCache.h

@@ -66,7 +66,7 @@ class	btOverlappingPairCache : public btBroadphaseInterface
 
 	inline bool needsBroadphaseCollision(btBroadphaseProxy* proxy0,btBroadphaseProxy* proxy1) const
 	{
-		bool collides = proxy0->m_collisionFilterGroup & proxy1->m_collisionFilterMask;
+		bool collides = (proxy0->m_collisionFilterGroup & proxy1->m_collisionFilterMask) != 0;
 		collides = collides && (proxy1->m_collisionFilterGroup & proxy0->m_collisionFilterMask);
 		
 		return collides;

src/BulletCollision/CollisionDispatch/btCollisionDispatcher.h

@@ -78,7 +78,7 @@ public:
 
 	int	getNumManifolds() const
 	{ 
-		return m_manifoldsPtr.size();
+		return int( m_manifoldsPtr.size());
 	}
 
 	btPersistentManifold**	getInternalManifoldPointer()

src/BulletCollision/CollisionDispatch/btCollisionObject.h

@@ -79,26 +79,26 @@ struct	btCollisionObject
 	inline bool mergesSimulationIslands() const
 	{
 		///static objects, kinematic and object without contact response don't merge islands
-		return  !(m_collisionFlags & (CF_STATIC_OBJECT | CF_KINEMATIC_OJBECT | CF_NO_CONTACT_RESPONSE) );
+		return  ((m_collisionFlags & (CF_STATIC_OBJECT | CF_KINEMATIC_OJBECT | CF_NO_CONTACT_RESPONSE) )==0);
 	}
 
 
 	inline bool		isStaticObject() const {
-		return m_collisionFlags & CF_STATIC_OBJECT;
+		return (m_collisionFlags & CF_STATIC_OBJECT) != 0;
 	}
 
 	inline bool		isKinematicObject() const
 	{
-		return m_collisionFlags & CF_KINEMATIC_OJBECT;
+		return (m_collisionFlags & CF_KINEMATIC_OJBECT) != 0;
 	}
 
 	inline bool		isStaticOrKinematicObject() const
 	{
-		return m_collisionFlags & (CF_KINEMATIC_OJBECT | CF_STATIC_OBJECT);
+		return (m_collisionFlags & (CF_KINEMATIC_OJBECT | CF_STATIC_OBJECT)) != 0 ;
 	}
 
 	inline bool		hasContactResponse() const {
-		return !(m_collisionFlags & CF_NO_CONTACT_RESPONSE);
+		return (m_collisionFlags & CF_NO_CONTACT_RESPONSE)==0;
 	}
 
 	

src/BulletCollision/CollisionDispatch/btCollisionWorld.h

@@ -205,7 +205,7 @@ public:
 
 	int	getNumCollisionObjects() const
 	{
-		return m_collisionObjects.size();
+		return int(m_collisionObjects.size());
 	}
 
 	/// rayTest performs a raycast on all objects in the btCollisionWorld, and calls the resultCallback

src/BulletCollision/CollisionDispatch/btSimulationIslandManager.cpp

@@ -1,4 +1,6 @@
 
+
+#include "LinearMath/btScalar.h"
 #include "btSimulationIslandManager.h"
 #include "BulletCollision/BroadphaseCollision/btDispatcher.h"
 #include "BulletCollision/NarrowPhaseCollision/btPersistentManifold.h"
@@ -51,7 +53,7 @@ void btSimulationIslandManager::findUnions(btDispatcher* dispatcher)
 void	btSimulationIslandManager::updateActivationState(btCollisionWorld* colWorld,btDispatcher* dispatcher)
 {
 	
-	initUnionFind(colWorld->getCollisionObjectArray().size());
+	initUnionFind( int (colWorld->getCollisionObjectArray().size()));
 	
 	// put the index into m_controllers into m_tag	
 	{
@@ -253,7 +255,7 @@ void btSimulationIslandManager::buildAndProcessIslands(btDispatcher* dispatcher,
 		}
 	}
 
-	int numManifolds = islandmanifold.size();
+	int numManifolds = int (islandmanifold.size());
 
 	// Sort manifolds, based on islands
 	// Sort the vector using predicate and std::sort

src/BulletCollision/CollisionDispatch/btUnionFind.h

@@ -45,7 +45,7 @@ class btUnionFind
 
 	  inline int	getNumElements() const
 	  {
-		  return m_elements.size();
+		  return int(m_elements.size());
 	  }
 	  inline bool  isRoot(int x) const
 	  {

src/BulletCollision/CollisionShapes/btCompoundShape.h

@@ -46,7 +46,7 @@ public:
 
 	int		getNumChildShapes() const
 	{
-		return m_childShapes.size();
+		return int (m_childShapes.size());
 	}
 
 	btCollisionShape* getChildShape(int index)