Program Listing for include/geometry/PxGeometryHelpers.h
↰ Return to documentation for include/geometry/PxGeometryHelpers.h
// 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) 2008-2022 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_GEOMETRY_HELPERS_H
#define PX_GEOMETRY_HELPERS_H
#include "foundation/PxPlane.h"
#include "foundation/PxTransform.h"
#include "foundation/PxUnionCast.h"
#include "common/PxPhysXCommonConfig.h"
#include "geometry/PxGeometry.h"
#include "geometry/PxBoxGeometry.h"
#include "geometry/PxSphereGeometry.h"
#include "geometry/PxCapsuleGeometry.h"
#include "geometry/PxPlaneGeometry.h"
#include "geometry/PxConvexMeshGeometry.h"
#include "geometry/PxHeightFieldGeometry.h"
#include "geometry/PxParticleSystemGeometry.h"
#include "geometry/PxHairSystemGeometry.h"
#include "geometry/PxTetrahedronMeshGeometry.h"
#include "geometry/PxCustomGeometry.h"
#if !PX_DOXYGEN
namespace physx
{
#endif
PX_ALIGN_PREFIX(4)
class PxGeometryHolder
{
class PxInvalidGeometry : public PxGeometry
{
public:
PX_INLINE PxInvalidGeometry() : PxGeometry(PxGeometryType::eINVALID) {}
};
public:
PX_FORCE_INLINE PxGeometryType::Enum getType() const
{
return any().getType();
}
PX_FORCE_INLINE PxGeometry& any()
{
return *PxUnionCast<PxGeometry*>(&bytes.geometry);
}
PX_FORCE_INLINE const PxGeometry& any() const
{
return *PxUnionCast<const PxGeometry*>(&bytes.geometry);
}
PX_FORCE_INLINE PxSphereGeometry& sphere() { return get<PxSphereGeometry, PxGeometryType::eSPHERE>(); }
PX_FORCE_INLINE const PxSphereGeometry& sphere() const { return get<const PxSphereGeometry, PxGeometryType::eSPHERE>(); }
PX_FORCE_INLINE PxPlaneGeometry& plane() { return get<PxPlaneGeometry, PxGeometryType::ePLANE>(); }
PX_FORCE_INLINE const PxPlaneGeometry& plane() const { return get<const PxPlaneGeometry, PxGeometryType::ePLANE>(); }
PX_FORCE_INLINE PxCapsuleGeometry& capsule() { return get<PxCapsuleGeometry, PxGeometryType::eCAPSULE>(); }
PX_FORCE_INLINE const PxCapsuleGeometry& capsule() const { return get<const PxCapsuleGeometry, PxGeometryType::eCAPSULE>(); }
PX_FORCE_INLINE PxBoxGeometry& box() { return get<PxBoxGeometry, PxGeometryType::eBOX>(); }
PX_FORCE_INLINE const PxBoxGeometry& box() const { return get<const PxBoxGeometry, PxGeometryType::eBOX>(); }
PX_FORCE_INLINE PxConvexMeshGeometry& convexMesh() { return get<PxConvexMeshGeometry, PxGeometryType::eCONVEXMESH>(); }
PX_FORCE_INLINE const PxConvexMeshGeometry& convexMesh() const { return get<const PxConvexMeshGeometry, PxGeometryType::eCONVEXMESH>(); }
PX_FORCE_INLINE PxTetrahedronMeshGeometry& tetMesh() { return get<PxTetrahedronMeshGeometry, PxGeometryType::eTETRAHEDRONMESH>(); }
PX_FORCE_INLINE const PxTetrahedronMeshGeometry& tetMesh() const { return get<const PxTetrahedronMeshGeometry, PxGeometryType::eTETRAHEDRONMESH>(); }
PX_FORCE_INLINE PxTriangleMeshGeometry& triangleMesh() { return get<PxTriangleMeshGeometry, PxGeometryType::eTRIANGLEMESH>(); }
PX_FORCE_INLINE const PxTriangleMeshGeometry& triangleMesh() const { return get<const PxTriangleMeshGeometry, PxGeometryType::eTRIANGLEMESH>(); }
PX_FORCE_INLINE PxHeightFieldGeometry& heightField() { return get<PxHeightFieldGeometry, PxGeometryType::eHEIGHTFIELD>(); }
PX_FORCE_INLINE const PxHeightFieldGeometry& heightField() const { return get<const PxHeightFieldGeometry, PxGeometryType::eHEIGHTFIELD>(); }
PX_FORCE_INLINE PxParticleSystemGeometry& particleSystem() { return get<PxParticleSystemGeometry, PxGeometryType::ePARTICLESYSTEM>(); }
PX_FORCE_INLINE const PxParticleSystemGeometry& particleSystem() const { return get<const PxParticleSystemGeometry, PxGeometryType::ePARTICLESYSTEM>(); }
PX_FORCE_INLINE PxHairSystemGeometry& hairSystem() { return get<PxHairSystemGeometry, PxGeometryType::eHAIRSYSTEM>(); }
PX_FORCE_INLINE const PxHairSystemGeometry& hairSystem() const { return get<const PxHairSystemGeometry, PxGeometryType::eHAIRSYSTEM>(); }
PX_FORCE_INLINE PxCustomGeometry& custom() { return get<PxCustomGeometry, PxGeometryType::eCUSTOM>(); }
PX_FORCE_INLINE const PxCustomGeometry& custom() const { return get<const PxCustomGeometry, PxGeometryType::eCUSTOM>(); }
PX_FORCE_INLINE void storeAny(const PxGeometry& geometry)
{
PX_ASSERT_WITH_MESSAGE( (geometry.getType() >= PxGeometryType::eSPHERE) &&
(geometry.getType() < PxGeometryType::eGEOMETRY_COUNT),
"Unexpected GeometryType in PxGeometryHolder::storeAny");
switch(geometry.getType())
{
case PxGeometryType::eSPHERE: put<PxSphereGeometry>(geometry); break;
case PxGeometryType::ePLANE: put<PxPlaneGeometry>(geometry); break;
case PxGeometryType::eCAPSULE: put<PxCapsuleGeometry>(geometry); break;
case PxGeometryType::eBOX: put<PxBoxGeometry>(geometry); break;
case PxGeometryType::eCONVEXMESH: put<PxConvexMeshGeometry>(geometry); break;
case PxGeometryType::eTRIANGLEMESH: put<PxTriangleMeshGeometry>(geometry); break;
case PxGeometryType::eTETRAHEDRONMESH: put<PxTetrahedronMeshGeometry>(geometry); break;
case PxGeometryType::eHEIGHTFIELD: put<PxHeightFieldGeometry>(geometry); break;
case PxGeometryType::ePARTICLESYSTEM: put<PxParticleSystemGeometry>(geometry); break;
case PxGeometryType::eHAIRSYSTEM: put<PxHairSystemGeometry>(geometry); break;
case PxGeometryType::eCUSTOM: put<PxCustomGeometry>(geometry); break;
case PxGeometryType::eGEOMETRY_COUNT:
case PxGeometryType::eINVALID: break;
}
}
PX_FORCE_INLINE PxGeometryHolder() { put<PxInvalidGeometry>(PxInvalidGeometry()); }
PX_FORCE_INLINE PxGeometryHolder(const PxGeometry& geometry){ storeAny(geometry); }
private:
template<typename T> void put(const PxGeometry& geometry)
{
static_cast<T&>(any()) = static_cast<const T&>(geometry);
}
template<typename T, PxGeometryType::Enum type> T& get()
{
PX_ASSERT(getType() == type);
return static_cast<T&>(any());
}
template<typename T, PxGeometryType::Enum type> T& get() const
{
PX_ASSERT(getType() == type);
return static_cast<T&>(any());
}
union {
PxU8 geometry[sizeof(PxGeometry)];
PxU8 box[sizeof(PxBoxGeometry)];
PxU8 sphere[sizeof(PxSphereGeometry)];
PxU8 capsule[sizeof(PxCapsuleGeometry)];
PxU8 plane[sizeof(PxPlaneGeometry)];
PxU8 convex[sizeof(PxConvexMeshGeometry)];
PxU8 tetMesh[sizeof(PxTetrahedronMeshGeometry)];
PxU8 mesh[sizeof(PxTriangleMeshGeometry)];
PxU8 heightfield[sizeof(PxHeightFieldGeometry)];
PxU8 particleSystem[sizeof(PxParticleSystemGeometry)];
PxU8 hairSystem[sizeof(PxHairSystemGeometry)];
PxU8 custom[sizeof(PxCustomGeometry)];
} bytes;
}
PX_ALIGN_SUFFIX(4);
#if !PX_DOXYGEN
} // namespace physx
#endif
#endif