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GuHeightFieldData.h
1// Redistribution and use in source and binary forms, with or without
2// modification, are permitted provided that the following conditions
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25// Copyright (c) 2008-2022 NVIDIA Corporation. All rights reserved.
26// Copyright (c) 2004-2008 AGEIA Technologies, Inc. All rights reserved.
27// Copyright (c) 2001-2004 NovodeX AG. All rights reserved.
28
29#ifndef GU_HEIGHTFIELD_DATA_H
30#define GU_HEIGHTFIELD_DATA_H
31
32#include "foundation/PxSimpleTypes.h"
33#include "geometry/PxHeightFieldFlag.h"
34#include "geometry/PxHeightFieldSample.h"
35#include "GuCenterExtents.h"
36
37namespace physx
38{
39
40namespace Gu
41{
42
43#if PX_VC
44 #pragma warning(push)
45 #pragma warning( disable : 4251 ) // class needs to have dll-interface to be used by clients of class
46#endif
47struct PX_PHYSX_COMMON_API HeightFieldData
48{
49// PX_SERIALIZATION
51 PX_FORCE_INLINE HeightFieldData(const PxEMPTY) : flags(PxEmpty) {}
52//~PX_SERIALIZATION
53
54 //properties
55 // PT: WARNING: bounds must be followed by at least 32bits of data for safe SIMD loading
56 CenterExtents mAABB;
57 PxU32 rows; // PT: WARNING: don't change this member's name (used in ConvX)
58 PxU32 columns; // PT: WARNING: don't change this member's name (used in ConvX)
59 PxU32 rowLimit;
60 PxU32 colLimit;
61 PxU32 nbColumns;
62 PxHeightFieldSample* samples; // PT: WARNING: don't change this member's name (used in ConvX)
63 PxReal convexEdgeThreshold;
64
66
68
69 PX_FORCE_INLINE const CenterExtentsPadded& getPaddedBounds() const
70 {
71 // PT: see compile-time assert below
72 return static_cast<const CenterExtentsPadded&>(mAABB);
73 }
74};
75#if PX_VC
76 #pragma warning(pop)
77#endif
78
79 // PT: 'getPaddedBounds()' is only safe if we make sure the bounds member is followed by at least 32bits of data
80 PX_COMPILE_TIME_ASSERT(PX_OFFSET_OF(Gu::HeightFieldData, rows)>=PX_OFFSET_OF(Gu::HeightFieldData, mAABB)+4);
81
82} // namespace Gu
83
84}
85
86#endif
A padded version of CenterExtents, to safely load its data using SIMD.
Definition GuCenterExtents.h:114
Definition GuCenterExtents.h:44
#define PX_FORCE_INLINE
Definition PxPreprocessor.h:335
#define PX_COMPILE_TIME_ASSERT(exp)
Definition PxPreprocessor.h:428
Sorts an array of objects in ascending order, assuming that the predicate implements the < operator:
Definition PxBoxController.h:39
PxEMPTY
Definition Px.h:87
Definition GuHeightFieldData.h:48
Enum
Definition PxHeightFieldFlag.h:49
Heightfield sample format.
Definition PxHeightFieldSample.h:67