added basic RaycastVehicle support, and CcdPhysicsEnvironment::getAppliedImpulse(int constraintId), this value is useful as treshold to break constraints.

Extras/PhysicsInterface/CcdPhysics/CcdPhysicsEnvironment.cpp

@@ -335,8 +335,8 @@ m_enableSatCollisionDetection(false)
 	{
 		m_triggerCallbacks[i] = 0;
 	}
-	//if (!dispatcher)
-	//	dispatcher = new CollisionDispatcher();
+	if (!dispatcher)
+		dispatcher = new CollisionDispatcher();
 
 
 	if(!pairCache)
@@ -1834,3 +1834,18 @@ PHY_IPhysicsController* CcdPhysicsEnvironment::CreateConeController(float conera
 	return sphereController;
 }
 	
+float		CcdPhysicsEnvironment::getAppliedImpulse(int	constraintid)
+{
+	std::vector<TypedConstraint*>::iterator i;
+
+	for (i=m_constraints.begin();
+		!(i==m_constraints.end()); i++)
+	{
+		TypedConstraint* constraint = (*i);
+		if (constraint->GetUserConstraintId() == constraintid)
+		{
+			return constraint->GetAppliedImpulse();
+		}
+	}
+	return 0.f;
+}

Extras/PhysicsInterface/CcdPhysics/CcdPhysicsEnvironment.h

@@ -32,7 +32,7 @@ class Dispatcher;
 //#include "BroadphaseInterface.h"
 
 //switch on/off new vehicle support
-//#define NEW_BULLET_VEHICLE_SUPPORT 1
+#define NEW_BULLET_VEHICLE_SUPPORT 1
 
 #include "ConstraintSolver/ContactSolverInfo.h"
 
@@ -41,6 +41,7 @@ class PersistentManifold;
 class BroadphaseInterface;
 class OverlappingPairCache;
 class IDebugDraw;
+class PHY_IVehicle;
 
 /// CcdPhysicsEnvironment is experimental mainloop for physics simulation using optional continuous collision detection.
 /// Physics Environment takes care of stepping the simulation and is a container for physics entities.
@@ -137,6 +138,8 @@ protected:
 
 	    virtual void		removeConstraint(int	constraintid);
 
+		virtual float		getAppliedImpulse(int	constraintid);
+
 
 		virtual void	CallbackTriggers();