Bullet Collision Detection & Physics Library
btStridingMeshInterface.h
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1 /*
2 Bullet Continuous Collision Detection and Physics Library
3 Copyright (c) 2003-2009 Erwin Coumans http://bulletphysics.org
4 
5 This software is provided 'as-is', without any express or implied warranty.
6 In no event will the authors be held liable for any damages arising from the use of this software.
7 Permission is granted to anyone to use this software for any purpose,
8 including commercial applications, and to alter it and redistribute it freely,
9 subject to the following restrictions:
10 
11 1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required.
12 2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software.
13 3. This notice may not be removed or altered from any source distribution.
14 */
15 
16 #ifndef BT_STRIDING_MESHINTERFACE_H
17 #define BT_STRIDING_MESHINTERFACE_H
18 
19 #include "LinearMath/btVector3.h"
20 #include "btTriangleCallback.h"
21 #include "btConcaveShape.h"
22 
28 {
29 protected:
31 
32 public:
34 
35  btStridingMeshInterface() : m_scaling(btScalar(1.), btScalar(1.), btScalar(1.))
36  {
37  }
38 
39  virtual ~btStridingMeshInterface();
40 
41  virtual void InternalProcessAllTriangles(btInternalTriangleIndexCallback * callback, const btVector3& aabbMin, const btVector3& aabbMax) const;
42 
44  void calculateAabbBruteForce(btVector3 & aabbMin, btVector3 & aabbMax);
45 
51  virtual void getLockedVertexIndexBase(unsigned char** vertexbase, int& numverts, PHY_ScalarType& type, int& stride, unsigned char** indexbase, int& indexstride, int& numfaces, PHY_ScalarType& indicestype, int subpart = 0) = 0;
52 
53  virtual void getLockedReadOnlyVertexIndexBase(const unsigned char** vertexbase, int& numverts, PHY_ScalarType& type, int& stride, const unsigned char** indexbase, int& indexstride, int& numfaces, PHY_ScalarType& indicestype, int subpart = 0) const = 0;
54 
57  virtual void unLockVertexBase(int subpart) = 0;
58 
59  virtual void unLockReadOnlyVertexBase(int subpart) const = 0;
60 
63  virtual int getNumSubParts() const = 0;
64 
65  virtual void preallocateVertices(int numverts) = 0;
66  virtual void preallocateIndices(int numindices) = 0;
67 
68  virtual bool hasPremadeAabb() const { return false; }
69  virtual void setPremadeAabb(const btVector3& aabbMin, const btVector3& aabbMax) const
70  {
71  (void)aabbMin;
72  (void)aabbMax;
73  }
74  virtual void getPremadeAabb(btVector3 * aabbMin, btVector3 * aabbMax) const
75  {
76  (void)aabbMin;
77  (void)aabbMax;
78  }
79 
80  const btVector3& getScaling() const
81  {
82  return m_scaling;
83  }
84  void setScaling(const btVector3& scaling)
85  {
86  m_scaling = scaling;
87  }
88 
89  virtual int calculateSerializeBufferSize() const;
90 
92  virtual const char* serialize(void* dataBuffer, btSerializer* serializer) const;
93 };
94 
96 {
97  int m_value;
98 };
99 
101 {
102  short m_value;
103  char m_pad[2];
104 };
105 
107 {
108  short m_values[3];
109  char m_pad[2];
110 };
111 
113 {
114  unsigned char m_values[3];
115  char m_pad;
116 };
117 
118 // clang-format off
119 
122 {
125 
129 
130  btShortIntIndexData *m_indices16;//backwards compatibility
131 
132  int m_numTriangles;//length of m_indices = m_numTriangles
134 };
135 
136 
139 {
143  char m_padding[4];
144 };
145 
146 // clang-format on
147 
149 {
150  return sizeof(btStridingMeshInterfaceData);
151 }
152 
153 #endif //BT_STRIDING_MESHINTERFACE_H
btMeshPartData::m_3indices16
btShortIntIndexTripletData * m_3indices16
Definition: btStridingMeshInterface.h:127
btInternalTriangleIndexCallback
Definition: btTriangleCallback.h:30
btShortIntIndexTripletData::m_values
short m_values[3]
Definition: btStridingMeshInterface.h:108
btScalar
float btScalar
The btScalar type abstracts floating point numbers, to easily switch between double and single floati...
Definition: btScalar.h:314
btMeshPartData::m_vertices3f
btVector3FloatData * m_vertices3f
Definition: btStridingMeshInterface.h:123
btConcaveShape.h
btStridingMeshInterface::setScaling
void setScaling(const btVector3 &scaling)
Definition: btStridingMeshInterface.h:84
btMeshPartData::m_indices16
btShortIntIndexData * m_indices16
Definition: btStridingMeshInterface.h:130
btMeshPartData::m_numVertices
int m_numVertices
Definition: btStridingMeshInterface.h:133
btStridingMeshInterfaceData::m_numMeshParts
int m_numMeshParts
Definition: btStridingMeshInterface.h:142
btCharIndexTripletData
Definition: btStridingMeshInterface.h:112
btMeshPartData
do not change those serialization structures, it requires an updated sBulletDNAstr/sBulletDNAstr64
Definition: btStridingMeshInterface.h:121
btVector3FloatData
Definition: btVector3.h:1281
btShortIntIndexData::m_value
short m_value
Definition: btStridingMeshInterface.h:102
btStridingMeshInterface
The btStridingMeshInterface is the interface class for high performance generic access to triangle me...
Definition: btStridingMeshInterface.h:26
btShortIntIndexTripletData
Definition: btStridingMeshInterface.h:106
btVector3.h
btVector3DoubleData
Definition: btVector3.h:1286
btStridingMeshInterface::btStridingMeshInterface
btStridingMeshInterface()
Definition: btStridingMeshInterface.h:35
PHY_ScalarType
PHY_ScalarType
PHY_ScalarType enumerates possible scalar types.
Definition: btConcaveShape.h:25
BT_DECLARE_ALIGNED_ALLOCATOR
#define BT_DECLARE_ALIGNED_ALLOCATOR()
Definition: btScalar.h:425
btVector3
btVector3 can be used to represent 3D points and vectors.
Definition: btVector3.h:80
btMeshPartData::m_vertices3d
btVector3DoubleData * m_vertices3d
Definition: btStridingMeshInterface.h:124
btCharIndexTripletData::m_values
unsigned char m_values[3]
Definition: btStridingMeshInterface.h:114
ATTRIBUTE_ALIGNED16
#define ATTRIBUTE_ALIGNED16(a)
Definition: btScalar.h:99
btShortIntIndexTripletData::m_pad
char m_pad[2]
Definition: btStridingMeshInterface.h:109
btStridingMeshInterface::getScaling
const btVector3 & getScaling() const
Definition: btStridingMeshInterface.h:80
btMeshPartData::m_indices32
btIntIndexData * m_indices32
Definition: btStridingMeshInterface.h:126
SIMD_FORCE_INLINE
#define SIMD_FORCE_INLINE
Definition: btScalar.h:98
btSerializer
Definition: btSerializer.h:65
btShortIntIndexData
Definition: btStridingMeshInterface.h:100
btMeshPartData::m_numTriangles
int m_numTriangles
Definition: btStridingMeshInterface.h:132
btStridingMeshInterface::calculateSerializeBufferSize
virtual int calculateSerializeBufferSize() const
Definition: btStridingMeshInterface.h:148
btIntIndexData::m_value
int m_value
Definition: btStridingMeshInterface.h:97
btStridingMeshInterface::setPremadeAabb
virtual void setPremadeAabb(const btVector3 &aabbMin, const btVector3 &aabbMax) const
Definition: btStridingMeshInterface.h:69
btStridingMeshInterfaceData::m_meshPartsPtr
btMeshPartData * m_meshPartsPtr
Definition: btStridingMeshInterface.h:140
btCharIndexTripletData::m_pad
char m_pad
Definition: btStridingMeshInterface.h:115
btShortIntIndexData::m_pad
char m_pad[2]
Definition: btStridingMeshInterface.h:103
btStridingMeshInterface::getPremadeAabb
virtual void getPremadeAabb(btVector3 *aabbMin, btVector3 *aabbMax) const
Definition: btStridingMeshInterface.h:74
btStridingMeshInterfaceData::m_scaling
btVector3FloatData m_scaling
Definition: btStridingMeshInterface.h:141
btIntIndexData
Definition: btStridingMeshInterface.h:95
btStridingMeshInterface::m_scaling
btVector3 m_scaling
Definition: btStridingMeshInterface.h:30
btStridingMeshInterfaceData
do not change those serialization structures, it requires an updated sBulletDNAstr/sBulletDNAstr64
Definition: btStridingMeshInterface.h:138
btStridingMeshInterfaceData::m_padding
char m_padding[4]
Definition: btStridingMeshInterface.h:143
btStridingMeshInterface::hasPremadeAabb
virtual bool hasPremadeAabb() const
Definition: btStridingMeshInterface.h:68
btTriangleCallback.h
btMeshPartData::m_3indices8
btCharIndexTripletData * m_3indices8
Definition: btStridingMeshInterface.h:128