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#include "GuTriangleMesh.h"
#include "GuTriangleMeshBV4.h"

using namespace physx;

namespace physx
{

Gu::BV4TriangleMesh::BV4TriangleMesh(GuMeshFactory& factory, TriangleMeshData& d)
:	TriangleMesh(factory, d)
{
	PX_ASSERT(d.mType==PxMeshMidPhase::eBVH34);

	BV4TriangleData& bv4Data = static_cast<BV4TriangleData&>(d);
	mMeshInterface = bv4Data.mMeshInterface;
	mBV4Tree = bv4Data.mBV4Tree;
	mBV4Tree.mMeshInterface = &mMeshInterface;
}

Gu::TriangleMesh* Gu::BV4TriangleMesh::createObject(PxU8*& address, PxDeserializationContext& context)
{
	BV4TriangleMesh* obj = new (address) BV4TriangleMesh(PxBaseFlag::eIS_RELEASABLE);
	address += sizeof(BV4TriangleMesh);	
	obj->importExtraData(context);
	obj->resolveReferences(context);
	return obj;
}

void Gu::BV4TriangleMesh::exportExtraData(PxSerializationContext& stream)
{
	mBV4Tree.exportExtraData(stream);
	TriangleMesh::exportExtraData(stream);
}

void Gu::BV4TriangleMesh::importExtraData(PxDeserializationContext& context)
{
	mBV4Tree.importExtraData(context);
	TriangleMesh::importExtraData(context);

	if(has16BitIndices())
		mMeshInterface.setPointers(NULL, const_cast<IndTri16*>(reinterpret_cast<const IndTri16*>(getTrianglesFast())), getVerticesFast());
	else
		mMeshInterface.setPointers(const_cast<IndTri32*>(reinterpret_cast<const IndTri32*>(getTrianglesFast())), NULL, getVerticesFast());
	mBV4Tree.mMeshInterface = &mMeshInterface;
}

} // namespace physx