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#ifndef PX_CONVEXPOLYGONSBUILDER_H
#define PX_CONVEXPOLYGONSBUILDER_H

#include "ConvexHullBuilder.h"

namespace physx
{
	//////////////////////////////////////////////////////////////////////////
	// extended convex hull builder for a case where we build polygons from input triangles
	class ConvexPolygonsBuilder : public ConvexHullBuilder
	{
	public:
		ConvexPolygonsBuilder(Gu::ConvexHullData* hull, const bool buildGRBData);
		~ConvexPolygonsBuilder();

		bool	computeHullPolygons(const PxU32& nbVerts,const PxVec3* verts, const PxU32& nbTriangles, const PxU32* triangles);

		PX_INLINE	PxU32						getNbFaces()const	{ return mNbHullFaces; }
		PX_INLINE	const HullTriangleData*		getFaces()	const	{ return mFaces; }


	private:
		bool	createPolygonData();
		bool	createTrianglesFromPolygons();
		
	private:
		PxU32						mNbHullFaces;	//!< Number of faces in the convex hull
		HullTriangleData*			mFaces;			//!< Triangles.

	};
}

#endif	// PX_CONVEXHULLBUILDER_H