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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) 2008-2017 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_COLLISION_TriangleMeshBUILDER
#define PX_COLLISION_TriangleMeshBUILDER
#include "GuMeshData.h"
#include "cooking/PxCooking.h"
namespace physx
{
namespace Gu
{
class EdgeListBuilder;
}
class TriangleMeshBuilder
{
public:
TriangleMeshBuilder(Gu::TriangleMeshData& mesh, const PxCookingParams& params);
virtual ~TriangleMeshBuilder();
virtual PxMeshMidPhase::Enum getMidphaseID() const = 0;
// Called by base code when midphase structure should be built
virtual void createMidPhaseStructure() = 0;
// Called by base code when midphase structure should be saved
virtual void saveMidPhaseStructure(PxOutputStream& stream, bool mismatch) const = 0;
// Called by base code when mesh index format has changed and the change should be reflected in midphase structure
virtual void onMeshIndexFormatChange() {}
bool cleanMesh(bool validate, PxTriangleMeshCookingResult::Enum* condition);
void remapTopology(const PxU32* order);
void createSharedEdgeData(bool buildAdjacencies, bool buildActiveEdges);
void recordTriangleIndices();
void createGRBMidPhaseAndData(const PxU32 originalTriangleCount);
void createGRBData();
bool loadFromDesc(const PxTriangleMeshDesc&, PxTriangleMeshCookingResult::Enum* condition, bool validate = false);
bool save(PxOutputStream& stream, bool platformMismatch, const PxCookingParams& params) const;
void checkMeshIndicesSize();
PX_FORCE_INLINE Gu::TriangleMeshData& getMeshData() { return mMeshData; }
protected:
void computeLocalBounds();
bool importMesh(const PxTriangleMeshDesc& desc, const PxCookingParams& params, PxTriangleMeshCookingResult::Enum* condition, bool validate = false);
TriangleMeshBuilder& operator=(const TriangleMeshBuilder&);
Gu::EdgeListBuilder* edgeList;
const PxCookingParams& mParams;
Gu::TriangleMeshData& mMeshData;
void releaseEdgeList();
void createEdgeList();
};
class RTreeTriangleMeshBuilder : public TriangleMeshBuilder
{
public:
RTreeTriangleMeshBuilder(const PxCookingParams& params);
virtual ~RTreeTriangleMeshBuilder();
virtual PxMeshMidPhase::Enum getMidphaseID() const { return PxMeshMidPhase::eBVH33; }
virtual void createMidPhaseStructure();
virtual void saveMidPhaseStructure(PxOutputStream& stream, bool mismatch) const;
Gu::RTreeTriangleData mData;
};
class BV4TriangleMeshBuilder : public TriangleMeshBuilder
{
public:
BV4TriangleMeshBuilder(const PxCookingParams& params);
virtual ~BV4TriangleMeshBuilder();
virtual PxMeshMidPhase::Enum getMidphaseID() const { return PxMeshMidPhase::eBVH34; }
virtual void createMidPhaseStructure();
virtual void saveMidPhaseStructure(PxOutputStream& stream, bool mismatch) const;
virtual void onMeshIndexFormatChange();
Gu::BV4TriangleData mData;
};
class BV32TriangleMeshBuilder
{
public:
static void createMidPhaseStructure(const PxCookingParams& params, Gu::TriangleMeshData& meshData, Gu::BV32Tree& bv32Tree);
static void saveMidPhaseStructure(Gu::BV32Tree* tree, PxOutputStream& stream, bool mismatch);
};
}
#endif
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