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#ifndef NV_CLOTH_EXTENSIONS_CLOTH_EDGE_QUADIFIER_H
#define NV_CLOTH_EXTENSIONS_CLOTH_EDGE_QUADIFIER_H

/** \addtogroup extensions
@{
*/

#include "ClothMeshDesc.h"
#include "NvCloth/Callbacks.h"
#include "NvCloth/Allocator.h"

namespace nv
{
namespace cloth
{

class ClothMeshQuadifier : public UserAllocated
{
public:
	virtual ~ClothMeshQuadifier(){}

	/**
	\brief Convert triangles of ClothMeshDesc to quads.
	\details In NvCloth, quad dominant mesh representations are preferable to pre-triangulated versions.
	In cases where the mesh has been already triangulated, this class provides a meachanism to
	convert (quadify) some triangles back to quad representations.
	\see ClothFabricCooker
	\param desc The cloth mesh descriptor prepared for cooking
	*/
	virtual bool quadify(const ClothMeshDesc& desc) = 0;

    /** 
	\brief Returns a mesh descriptor with some triangle pairs converted to quads.
	\note The returned descriptor is valid only within the lifespan of ClothMeshQuadifier class.
	*/
  
	virtual ClothMeshDesc getDescriptor() const = 0;

};

} // namespace cloth
} // namespace nv

NV_CLOTH_API(nv::cloth::ClothMeshQuadifier*) NvClothCreateMeshQuadifier();

/** @} */

#endif // NV_CLOTH_EXTENSIONS_CLOTH_EDGE_QUADIFIER_H