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