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//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
// * Neither the name of NVIDIA CORPORATION nor the names of its
// contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
// OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// Copyright (c) 2008-2018 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;
class ConvexHullLib;
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, bool doValidation = true, ConvexHullLib* hullLib = NULL);
bool save(PxOutputStream& stream, bool platformMismatch) const;
bool copy(Gu::ConvexHullData& hullData, PxU32& nb);
bool createEdgeList(bool doValidation, PxU32 nbEdges);
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;
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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