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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_EDGELIST
#define PX_EDGELIST
// PT: this file should be moved to cooking lib
#include "foundation/Px.h"
#include "PsUserAllocated.h"
// Data/code shared with LL
#include "GuEdgeListData.h"
namespace physx
{
namespace Gu
{
//! The edge-list creation structure.
struct EDGELISTCREATE
{
EDGELISTCREATE() :
NbFaces (0),
DFaces (NULL),
WFaces (NULL),
FacesToEdges (false),
EdgesToFaces (false),
Verts (NULL),
Epsilon (0.1f)
{}
PxU32 NbFaces; //!< Number of faces in source topo
const PxU32* DFaces; //!< List of faces (dwords) or NULL
const PxU16* WFaces; //!< List of faces (words) or NULL
bool FacesToEdges;
bool EdgesToFaces;
const PxVec3* Verts;
float Epsilon;
};
class EdgeList : public Ps::UserAllocated
{
public:
EdgeList();
~EdgeList();
bool load(PxInputStream& stream);
// Data access
PX_INLINE PxU32 getNbEdges() const { return mData.mNbEdges; }
PX_INLINE const Gu::EdgeData* getEdges() const { return mData.mEdges; }
PX_INLINE const Gu::EdgeData& getEdge(PxU32 edge_index) const { return mData.mEdges[edge_index]; }
//
PX_INLINE PxU32 getNbFaces() const { return mData.mNbFaces; }
PX_INLINE const Gu::EdgeTriangleData* getEdgeTriangles() const { return mData.mEdgeFaces; }
PX_INLINE const Gu::EdgeTriangleData& getEdgeTriangle(PxU32 face_index) const { return mData.mEdgeFaces[face_index]; }
//
PX_INLINE const Gu::EdgeDescData* getEdgeToTriangles() const { return mData.mEdgeToTriangles; }
PX_INLINE const Gu::EdgeDescData& getEdgeToTriangles(PxU32 edge_index) const { return mData.mEdgeToTriangles[edge_index]; }
PX_INLINE const PxU32* getFacesByEdges() const { return mData.mFacesByEdges; }
PX_INLINE PxU32 getFacesByEdges(PxU32 face_index) const { return mData.mFacesByEdges[face_index]; }
protected:
Gu::EdgeListData mData; //!< Pointer to edgelist data
};
class EdgeListBuilder : public EdgeList
{
public:
EdgeListBuilder();
~EdgeListBuilder();
bool init(const EDGELISTCREATE& create);
private:
bool createFacesToEdges(PxU32 nb_faces, const PxU32* dfaces, const PxU16* wfaces);
bool createEdgesToFaces(PxU32 nb_faces, const PxU32* dfaces, const PxU16* wfaces);
bool computeActiveEdges(PxU32 nb_faces, const PxU32* dfaces, const PxU16* wfaces, const PxVec3* verts, float epsilon);
};
}
}
#endif
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