text: //
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  // Copyright (c) 2008-2021 NVIDIA Corporation. All rights reserved.
  // Copyright (c) 2004-2008 AGEIA Technologies, Inc. All rights reserved.
  // Copyright (c) 2001-2004 NovodeX AG. All rights reserved.  
  
  #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);
  	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
  