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#include "PxsContactManager.h"
#include "PxsRigidBody.h"
#include "PxcContactMethodImpl.h"
#include "PxvManager.h"
#include "PxsIslandSim.h"

using namespace physx;

PxsContactManager::PxsContactManager(PxsContext*, PxU32 index) /*:
	mUserData	(NULL)*/
{
	mFlags = 0;

	// PT: TODO: any reason why we don't initialize all members here, e.g. shapeCore pointers?
	mNpUnit.index				= index;
	mNpUnit.rigidCore0			= NULL;
	mNpUnit.rigidCore1			= NULL;
	mNpUnit.restDistance		= 0;
	mNpUnit.dominance0			= 1u;
	mNpUnit.dominance1			= 1u;
	mNpUnit.frictionDataPtr		= NULL;
	mNpUnit.frictionPatchCount	= 0;
}

PxsContactManager::~PxsContactManager()
{
}


void PxsContactManager::setCCD(bool enable)
{
	PxU32 flags = mFlags & (~PXS_CM_CCD_CONTACT);
	if (enable)
		flags |= PXS_CM_CCD_LINEAR;
	else
		flags &= ~PXS_CM_CCD_LINEAR;

	mFlags = flags;
}



void PxsContactManager::resetCachedState()
{ 
	// happens when the body transform or shape relative transform changes.

	PxcNpWorkUnitClearCachedState(mNpUnit);
}

void PxsContactManager::resetFrictionCachedState()
{ 
	// happens when the body transform or shape relative transform changes.

	PxcNpWorkUnitClearFrictionCachedState(mNpUnit);
}