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//
// 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) 2008-2018 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 PT_GRID_CELL_VECTOR_H
#define PT_GRID_CELL_VECTOR_H
#include "PxPhysXConfig.h"
#if PX_USE_PARTICLE_SYSTEM_API
#include "foundation/PxVec3.h"
#include <string.h>
#include "PxvConfig.h"
#include "PsMathUtils.h"
namespace physx
{
namespace Pt
{
/*!
Simple integer vector in R3 with basic operations.
Used to define coordinates of a uniform grid cell.
*/
class GridCellVector
{
public:
PX_CUDA_CALLABLE PX_FORCE_INLINE GridCellVector()
{
}
PX_CUDA_CALLABLE PX_FORCE_INLINE GridCellVector(const GridCellVector& v)
{
x = v.x;
y = v.y;
z = v.z;
}
PX_CUDA_CALLABLE PX_FORCE_INLINE GridCellVector(PxI16 _x, PxI16 _y, PxI16 _z)
{
x = _x;
y = _y;
z = _z;
}
PX_CUDA_CALLABLE PX_FORCE_INLINE GridCellVector(const PxVec3& realVec, PxReal scale)
{
set(realVec, scale);
}
PX_CUDA_CALLABLE PX_FORCE_INLINE bool operator==(const GridCellVector& v) const
{
return ((x == v.x) && (y == v.y) && (z == v.z));
}
PX_CUDA_CALLABLE PX_FORCE_INLINE bool operator!=(const GridCellVector& v) const
{
return ((x != v.x) || (y != v.y) || (z != v.z));
}
PX_CUDA_CALLABLE PX_FORCE_INLINE const GridCellVector operator+(const GridCellVector& v)
{
return GridCellVector(x + v.x, y + v.y, z + v.z);
}
PX_CUDA_CALLABLE PX_FORCE_INLINE const GridCellVector& operator+=(const GridCellVector& v)
{
x += v.x;
y += v.y;
z += v.z;
return *this;
}
PX_CUDA_CALLABLE PX_FORCE_INLINE const GridCellVector operator-(const GridCellVector& v)
{
return GridCellVector(x - v.x, y - v.y, z - v.z);
}
PX_CUDA_CALLABLE PX_FORCE_INLINE const GridCellVector& operator-=(const GridCellVector& v)
{
x -= v.x;
y -= v.y;
z -= v.z;
return *this;
}
PX_CUDA_CALLABLE PX_FORCE_INLINE const GridCellVector& operator=(const GridCellVector& v)
{
x = v.x;
y = v.y;
z = v.z;
return *this;
}
PX_CUDA_CALLABLE PX_FORCE_INLINE const GridCellVector operator<<(const PxU32 shift) const
{
return GridCellVector(x << shift, y << shift, z << shift);
}
//! Shift grid cell coordinates (can be used to retrieve coordinates of a coarser grid cell that contains the
//! defined cell)
PX_CUDA_CALLABLE PX_FORCE_INLINE const GridCellVector operator>>(const PxU32 shift) const
{
return GridCellVector(x >> shift, y >> shift, z >> shift);
}
PX_CUDA_CALLABLE PX_FORCE_INLINE const GridCellVector& operator<<=(const PxU32 shift)
{
x <<= shift;
y <<= shift;
z <<= shift;
return *this;
}
PX_CUDA_CALLABLE PX_FORCE_INLINE const GridCellVector& operator>>=(const PxU32 shift)
{
x >>= shift;
y >>= shift;
z >>= shift;
return *this;
}
//! Set grid cell coordinates based on a point in space and a scaling factor
PX_CUDA_CALLABLE PX_FORCE_INLINE void set(const PxVec3& realVec, PxReal scale)
{
set(realVec * scale);
}
#ifdef __CUDACC__
//! Set grid cell coordinates based on a point in space
PX_CUDA_CALLABLE PX_FORCE_INLINE void set(const PxVec3& realVec)
{
x = static_cast<PxI16>(floorf(realVec.x));
y = static_cast<PxI16>(floorf(realVec.y));
z = static_cast<PxI16>(floorf(realVec.z));
}
#else
//! Set grid cell coordinates based on a point in space
PX_FORCE_INLINE void set(const PxVec3& realVec)
{
x = static_cast<PxI16>(Ps::floor(realVec.x));
y = static_cast<PxI16>(Ps::floor(realVec.y));
z = static_cast<PxI16>(Ps::floor(realVec.z));
}
#endif
PX_CUDA_CALLABLE PX_FORCE_INLINE void set(PxI16 _x, PxI16 _y, PxI16 _z)
{
x = _x;
y = _y;
z = _z;
}
PX_CUDA_CALLABLE PX_FORCE_INLINE void setZero()
{
x = 0;
y = 0;
z = 0;
}
PX_CUDA_CALLABLE PX_FORCE_INLINE bool isZero() const
{
return x == 0 && y == 0 && z == 0;
}
public:
PxI16 x;
PxI16 y;
PxI16 z;
};
} // namespace Pt
} // namespace physx
#endif // PX_USE_PARTICLE_SYSTEM_API
#endif // PT_GRID_CELL_VECTOR_H
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