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#ifndef NVBLASTEXTPXCOLLISIONBUILDER_H
#define NVBLASTEXTPXCOLLISIONBUILDER_H

#include "NvBlastExtAuthoringConvexMeshBuilder.h"

namespace physx
{
	class PxConvexMesh;
}
namespace Nv
{
namespace Blast
{
struct AuthoringResult;
struct ExtPxChunk;
struct ExtPxSubchunk;

/**
ConvexMeshBuilder provides routine to build collision hulls from array of vertices.
Collision hull is built as convex hull of provided point set.
If due to some reason building of convex hull is failed, collision hull is built as bounding box of vertex set.
PhysX implementation can be found in NvBlastExtPx.
*/
class ExtPxCollisionBuilder : public ConvexMeshBuilder
{
  public:
	/**
	Method creates user defined collision mesh from provided array of vertices.
	ConvexMeshBuilder from ExtPhysX returns PxConvexMesh pointer.
	\param[in]  hull	Collision hull.
	*/
	virtual physx::PxConvexMesh* buildConvexMesh(const CollisionHull& hull) = 0;

	/**
	Build physics chunks and subchunks from collision hulls
	*/
	virtual void buildPhysicsChunks(uint32_t chunkCount, uint32_t* hullOffsets, CollisionHull** hulls,
	                                ExtPxChunk* physicsChunks, ExtPxSubchunk* physicsSubchunks) = 0;
};

}  // namespace Blast
}  // namespace Nv


#endif  // ifndef NVBLASTEXTPXCOLLISIONBUILDER_H