111 lines
4.2 KiB
C++
111 lines
4.2 KiB
C++
//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions
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// are met:
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimer in the
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// documentation and/or other materials provided with the distribution.
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// * Neither the name of NVIDIA CORPORATION nor the names of its
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// contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
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// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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// OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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// Copyright (c) 2008-2019 NVIDIA Corporation. All rights reserved.
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// Copyright (c) 2004-2008 AGEIA Technologies, Inc. All rights reserved.
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// Copyright (c) 2001-2004 NovodeX AG. All rights reserved.
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#ifndef PX_EDGELIST
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#define PX_EDGELIST
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// PT: this file should be moved to cooking lib
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#include "foundation/Px.h"
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#include "PsUserAllocated.h"
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// Data/code shared with LL
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#include "GuEdgeListData.h"
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namespace physx
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{
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namespace Gu
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{
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//! The edge-list creation structure.
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struct EDGELISTCREATE
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{
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EDGELISTCREATE() :
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NbFaces (0),
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DFaces (NULL),
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WFaces (NULL),
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FacesToEdges (false),
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EdgesToFaces (false),
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Verts (NULL),
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Epsilon (0.1f)
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{}
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PxU32 NbFaces; //!< Number of faces in source topo
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const PxU32* DFaces; //!< List of faces (dwords) or NULL
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const PxU16* WFaces; //!< List of faces (words) or NULL
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bool FacesToEdges;
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bool EdgesToFaces;
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const PxVec3* Verts;
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float Epsilon;
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};
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class EdgeList : public Ps::UserAllocated
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{
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public:
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EdgeList();
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~EdgeList();
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bool load(PxInputStream& stream);
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// Data access
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PX_INLINE PxU32 getNbEdges() const { return mData.mNbEdges; }
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PX_INLINE const Gu::EdgeData* getEdges() const { return mData.mEdges; }
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PX_INLINE const Gu::EdgeData& getEdge(PxU32 edge_index) const { return mData.mEdges[edge_index]; }
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//
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PX_INLINE PxU32 getNbFaces() const { return mData.mNbFaces; }
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PX_INLINE const Gu::EdgeTriangleData* getEdgeTriangles() const { return mData.mEdgeFaces; }
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PX_INLINE const Gu::EdgeTriangleData& getEdgeTriangle(PxU32 face_index) const { return mData.mEdgeFaces[face_index]; }
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//
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PX_INLINE const Gu::EdgeDescData* getEdgeToTriangles() const { return mData.mEdgeToTriangles; }
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PX_INLINE const Gu::EdgeDescData& getEdgeToTriangles(PxU32 edge_index) const { return mData.mEdgeToTriangles[edge_index]; }
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PX_INLINE const PxU32* getFacesByEdges() const { return mData.mFacesByEdges; }
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PX_INLINE PxU32 getFacesByEdges(PxU32 face_index) const { return mData.mFacesByEdges[face_index]; }
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protected:
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Gu::EdgeListData mData; //!< Pointer to edgelist data
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};
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class EdgeListBuilder : public EdgeList
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{
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public:
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EdgeListBuilder();
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~EdgeListBuilder();
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bool init(const EDGELISTCREATE& create);
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private:
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bool createFacesToEdges(PxU32 nb_faces, const PxU32* dfaces, const PxU16* wfaces);
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bool createEdgesToFaces(PxU32 nb_faces, const PxU32* dfaces, const PxU16* wfaces);
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bool computeActiveEdges(PxU32 nb_faces, const PxU32* dfaces, const PxU16* wfaces, const PxVec3* verts, float epsilon);
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};
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}
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}
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#endif
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