// Copy the b2j(b2Joint*) function to make your own, and change
// the first part where the bodies are stored

Json::Value b2dJson::myCustom_b2j(b2Joint* joint)
{
    Json::Value jointValue;

	//old code
    //int bodyIndexA = lookupBodyIndex( joint->GetBodyA() );
    //int bodyIndexB = lookupBodyIndex( joint->GetBodyB() );
    //jointValue["bodyA"] = bodyIndexA;
    //jointValue["bodyB"] = bodyIndexB;

	//new code -> nothing, just comment out the 4 lines above





// Copy the j2b2Joint(b2World* world, Json::Value jointValue) function to
// make your own, comment out the first part that checks for the bodies,
// change the last part where the bodies are set in the
// jointDef, and change the function signature to pass your desired bodies

b2Joint* b2dJson::myCustom_j2b2Joint(b2World* world, Json::Value jointValue, b2Body* bodyA, b2Body* bodyB)
{
	//comment out
	//int bodyIndexA = jointValue["bodyA"].asInt();
    //int bodyIndexB = jointValue["bodyB"].asInt();
    //if ( bodyIndexA >= (int)m_bodies.size() || bodyIndexB >= (int)m_bodies.size() )
    //    return NULL;

	...

	//near the end of the function
	if ( jointDef ) {
        //set features common to all joints
		//old code
        jointDef->bodyA = m_bodies[bodyIndexA];
        jointDef->bodyB = m_bodies[bodyIndexB];

		//new code
        jointDef->bodyA = bodyA;
        jointDef->bodyB = bodyB;