87 lines
3.4 KiB
C++
87 lines
3.4 KiB
C++
// 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) 2008-2025 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 GU_HEIGHTFIELD_DATA_H
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#define GU_HEIGHTFIELD_DATA_H
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#include "foundation/PxSimpleTypes.h"
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#include "geometry/PxHeightFieldFlag.h"
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#include "geometry/PxHeightFieldSample.h"
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#include "GuCenterExtents.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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#if PX_VC
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#pragma warning(push)
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#pragma warning( disable : 4251 ) // class needs to have dll-interface to be used by clients of class
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#endif
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struct PX_PHYSX_COMMON_API HeightFieldData
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{
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// PX_SERIALIZATION
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PX_FORCE_INLINE HeightFieldData() {}
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PX_FORCE_INLINE HeightFieldData(const PxEMPTY) : flags(PxEmpty) {}
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//~PX_SERIALIZATION
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//properties
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// PT: WARNING: bounds must be followed by at least 32bits of data for safe SIMD loading
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CenterExtents mAABB;
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PxU32 rows; // PT: WARNING: don't change this member's name (used in ConvX)
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PxU32 columns; // PT: WARNING: don't change this member's name (used in ConvX)
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PxU32 rowLimit;
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PxU32 colLimit;
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PxU32 nbColumns;
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PxHeightFieldSample* samples; // PT: WARNING: don't change this member's name (used in ConvX)
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PxReal convexEdgeThreshold;
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PxHeightFieldFlags flags;
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PxHeightFieldFormat::Enum format;
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PX_FORCE_INLINE const CenterExtentsPadded& getPaddedBounds() const
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{
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// PT: see compile-time assert below
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return static_cast<const CenterExtentsPadded&>(mAABB);
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}
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};
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#if PX_VC
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#pragma warning(pop)
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#endif
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// PT: 'getPaddedBounds()' is only safe if we make sure the bounds member is followed by at least 32bits of data
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PX_COMPILE_TIME_ASSERT(PX_OFFSET_OF(Gu::HeightFieldData, rows)>=PX_OFFSET_OF(Gu::HeightFieldData, mAABB)+4);
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} // namespace Gu
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}
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#endif
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