include/PxNodeIndex.h

File members: include/PxNodeIndex.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) 2008-2024 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_NODEINDEX_H
#define PX_NODEINDEX_H

#include "foundation/PxSimpleTypes.h"

#if !PX_DOXYGEN
namespace physx
{
#endif

#define PX_INVALID_NODE 0xFFFFFFFFu

    class PxNodeIndex
    {
    protected:
        PxU64 ind;

    public:

        explicit PX_CUDA_CALLABLE PX_FORCE_INLINE PxNodeIndex(PxU32 id, PxU32 articLinkId) : ind((PxU64(id) << 32) | (articLinkId << 1) | 1)
        {
        }

        explicit PX_CUDA_CALLABLE PX_FORCE_INLINE PxNodeIndex(PxU32 id = PX_INVALID_NODE) : ind((PxU64(id) << 32))
        {
        }

        PX_CUDA_CALLABLE PX_FORCE_INLINE PxU32 index() const { return PxU32(ind >> 32); }
        PX_CUDA_CALLABLE PX_FORCE_INLINE PxU32 articulationLinkId() const { return PxU32((ind >> 1) & 0x7FFFFFFF); }
        PX_CUDA_CALLABLE PX_FORCE_INLINE PxU32 isArticulation() const { return PxU32(ind & 1); }

        PX_CUDA_CALLABLE PX_FORCE_INLINE bool isStaticBody() const { return PxU32(ind >> 32) == PX_INVALID_NODE; }

        PX_CUDA_CALLABLE bool isValid() const { return PxU32(ind >> 32) != PX_INVALID_NODE; }

        PX_CUDA_CALLABLE void setIndices(PxU32 index, PxU32 articLinkId) { ind = ((PxU64(index) << 32) | (articLinkId << 1) | 1); }

        PX_CUDA_CALLABLE void setIndices(PxU32 index) { ind = ((PxU64(index) << 32)); }

        PX_CUDA_CALLABLE bool operator < (const PxNodeIndex& other) const { return ind < other.ind; }

        PX_CUDA_CALLABLE bool operator <= (const PxNodeIndex& other) const { return ind <= other.ind; }

        PX_CUDA_CALLABLE bool operator == (const PxNodeIndex& other) const { return ind == other.ind; }

        PX_CUDA_CALLABLE PxU64 getInd() const { return ind; }
    };
#if !PX_DOXYGEN
} // namespace physx
#endif

#endif