124 lines
4.9 KiB
C++
124 lines
4.9 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_COLLISION_TriangleMeshBUILDER
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#define PX_COLLISION_TriangleMeshBUILDER
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#include "GuMeshData.h"
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#include "cooking/PxCooking.h"
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#include "MeshBuilder.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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class EdgeListBuilder;
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}
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class TriangleMeshBuilder : public MeshBulider
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{
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public:
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TriangleMeshBuilder(Gu::TriangleMeshData& mesh, const PxCookingParams& params);
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virtual ~TriangleMeshBuilder();
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virtual PxMeshMidPhase::Enum getMidphaseID() const = 0;
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// Called by base code when midphase structure should be built
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virtual void createMidPhaseStructure() = 0;
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// Called by base code when midphase structure should be saved
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virtual void saveMidPhaseStructure(PxOutputStream& stream, bool mismatch) const = 0;
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// Called by base code when mesh index format has changed and the change should be reflected in midphase structure
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virtual void onMeshIndexFormatChange() {}
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bool cleanMesh(bool validate, PxTriangleMeshCookingResult::Enum* condition);
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void remapTopology(const PxU32* order);
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void createSharedEdgeData(bool buildAdjacencies, bool buildActiveEdges);
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void recordTriangleIndices();
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void createGRBMidPhaseAndData(const PxU32 originalTriangleCount);
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void createGRBData();
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bool loadFromDesc(const PxTriangleMeshDesc&, PxTriangleMeshCookingResult::Enum* condition, bool validate = false);
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bool save(PxOutputStream& stream, bool platformMismatch, const PxCookingParams& params) const;
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void checkMeshIndicesSize();
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PX_FORCE_INLINE Gu::TriangleMeshData& getMeshData() { return mMeshData; }
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protected:
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//void computeLocalBounds();
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bool importMesh(const PxTriangleMeshDesc& desc, const PxCookingParams& params, PxTriangleMeshCookingResult::Enum* condition, bool validate = false);
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TriangleMeshBuilder& operator=(const TriangleMeshBuilder&);
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Gu::EdgeListBuilder* edgeList;
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const PxCookingParams& mParams;
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Gu::TriangleMeshData& mMeshData;
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void releaseEdgeList();
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void createEdgeList();
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};
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class RTreeTriangleMeshBuilder : public TriangleMeshBuilder
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{
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public:
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RTreeTriangleMeshBuilder(const PxCookingParams& params);
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virtual ~RTreeTriangleMeshBuilder();
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virtual PxMeshMidPhase::Enum getMidphaseID() const { return PxMeshMidPhase::eBVH33; }
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virtual void createMidPhaseStructure();
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virtual void saveMidPhaseStructure(PxOutputStream& stream, bool mismatch) const;
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Gu::RTreeTriangleData mData;
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};
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class BV4TriangleMeshBuilder : public TriangleMeshBuilder
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{
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public:
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BV4TriangleMeshBuilder(const PxCookingParams& params);
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virtual ~BV4TriangleMeshBuilder();
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virtual PxMeshMidPhase::Enum getMidphaseID() const { return PxMeshMidPhase::eBVH34; }
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virtual void createMidPhaseStructure();
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virtual void saveMidPhaseStructure(PxOutputStream& stream, bool mismatch) const;
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virtual void onMeshIndexFormatChange();
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Gu::BV4TriangleData mData;
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};
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class BV32TriangleMeshBuilder
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{
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public:
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static void createMidPhaseStructure(const PxCookingParams& params, Gu::TriangleMeshData& meshData, Gu::BV32Tree& bv32Tree);
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static void saveMidPhaseStructure(Gu::BV32Tree* tree, PxOutputStream& stream, bool mismatch);
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};
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}
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#endif
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