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// This code contains NVIDIA Confidential Information and is disclosed to you
// under a form of NVIDIA software license agreement provided separately to you.
//
// Notice
// NVIDIA Corporation and its licensors retain all intellectual property and
// proprietary rights in and to this software and related documentation and
// any modifications thereto. Any use, reproduction, disclosure, or
// distribution of this software and related documentation without an express
// license agreement from NVIDIA Corporation is strictly prohibited.
//
// ALL NVIDIA DESIGN SPECIFICATIONS, CODE ARE PROVIDED "AS IS.". NVIDIA MAKES
// NO WARRANTIES, EXPRESSED, IMPLIED, STATUTORY, OR OTHERWISE WITH RESPECT TO
// THE MATERIALS, AND EXPRESSLY DISCLAIMS ALL IMPLIED WARRANTIES OF NONINFRINGEMENT,
// MERCHANTABILITY, AND FITNESS FOR A PARTICULAR PURPOSE.
//
// Information and code furnished is believed to be accurate and reliable.
// However, NVIDIA Corporation assumes no responsibility for the consequences of use of such
// information or for any infringement of patents or other rights of third parties that may
// result from its use. No license is granted by implication or otherwise under any patent
// or patent rights of NVIDIA Corporation. Details are subject to change without notice.
// This code supersedes and replaces all information previously supplied.
// NVIDIA Corporation products are not authorized for use as critical
// components in life support devices or systems without express written approval of
// NVIDIA Corporation.
//
// Copyright (c) 2008-2016 NVIDIA Corporation. All rights reserved.
// Copyright (c) 2004-2008 AGEIA Technologies, Inc. All rights reserved.
// Copyright (c) 2001-2004 NovodeX AG. All rights reserved.
#ifndef PX_CONVEXHULLBUILDER_H
#define PX_CONVEXHULLBUILDER_H
#include "GuConvexMeshData.h"
#include "PsUserAllocated.h"
#include "PxCooking.h"
namespace physx
{
struct PxHullPolygon;
namespace Gu
{
struct EdgeDescData;
struct ConvexHullData;
} // namespace Gu
struct HullTriangleData
{
PxU32 mRef[3];
};
class ConvexHullBuilder : public Ps::UserAllocated
{
public:
ConvexHullBuilder(Gu::ConvexHullData* hull, const bool buildGRBData);
~ConvexHullBuilder();
bool init(PxU32 nbVerts, const PxVec3* verts, const PxU32* indices, const PxU32 nbIndices, const PxU32 nbPolygons,
const PxHullPolygon* hullPolygons, PxU32 gaussMapVertexLimit, bool doValidation = true, bool userPolygons = false);
bool save(PxOutputStream& stream, bool platformMismatch) const;
bool copy(Gu::ConvexHullData& hullData);
bool createEdgeList(bool doValidation, PxU32 nbEdges, bool prepareBigHullData);
bool checkHullPolygons() const;
bool calculateVertexMapTable(PxU32 nbPolygons, bool userPolygons = false);
PX_INLINE PxU32 computeNbPolygons() const
{
PX_ASSERT(mHull->mNbPolygons);
return mHull->mNbPolygons;
}
PxVec3* mHullDataHullVertices;
Gu::HullPolygonData* mHullDataPolygons;
PxU8* mHullDataVertexData8;
PxU8* mHullDataFacesByEdges8;
PxU8* mHullDataFacesByVertices8;
PxU8* mHullDataFacesByAllEdges8; // data used fom big hull valencies computation
PxU16* mEdgeData16; //!< Edge indices indexed by hull polygons
PxU16* mEdges; //!< Edge to vertex mapping
Gu::ConvexHullData* mHull;
bool mBuildGRBData;
protected:
bool computeGeomCenter(PxVec3& , PxU32 numFaces, HullTriangleData* faces) const;
};
}
#endif // PX_CONVEXHULLBUILDER_H
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