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// Copyright (c) 2004-2008 AGEIA Technologies, Inc. All rights reserved.
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#include "PtParticleShapeCpu.h"
#if PX_USE_PARTICLE_SYSTEM_API

#include "PtContext.h"
#include "PtParticleSystemSimCpu.h"
#include "PtSpatialHash.h"

using namespace physx;
using namespace Pt;

ParticleShapeCpu::ParticleShapeCpu(Context*, PxU32 index)
: mIndex(index), mParticleSystem(NULL), mPacket(NULL), mUserData(NULL)
{
}

ParticleShapeCpu::~ParticleShapeCpu()
{
}

void ParticleShapeCpu::init(ParticleSystemSimCpu* particleSystem, const ParticleCell* packet)
{
	PX_ASSERT(mParticleSystem == NULL);
	PX_ASSERT(mPacket == NULL);
	PX_ASSERT(mUserData == NULL);

	PX_ASSERT(particleSystem);
	PX_ASSERT(packet);

	mParticleSystem = particleSystem;
	mPacket = packet;
	mPacketCoordinates = packet->coords; // this is needed for the remapping process.

	// Compute and store AABB of the assigned packet
	mParticleSystem->getPacketBounds(mPacketCoordinates, mBounds);
}

void ParticleShapeCpu::destroyV()
{
	PX_ASSERT(mParticleSystem);
	mParticleSystem->getContext().releaseParticleShape(this);

	mParticleSystem = NULL;
	mPacket = NULL;
	mUserData = NULL;
}

#endif // PX_USE_PARTICLE_SYSTEM_API