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
virtual bool hasPremadeAabb() const
#define SIMD_FORCE_INLINE
Definition: btScalar.h:83
void setScaling(const btVector3 &scaling)
do not change those serialization structures, it requires an updated sBulletDNAstr/sBulletDNAstr64 ...
btVector3FloatData * m_vertices3f
btShortIntIndexData * m_indices16
btCharIndexTripletData * m_3indices8
do not change those serialization structures, it requires an updated sBulletDNAstr/sBulletDNAstr64 ...
btShortIntIndexTripletData * m_3indices16
btVector3 can be used to represent 3D points and vectors.
Definition: btVector3.h:80
#define ATTRIBUTE_ALIGNED16(a)
Definition: btScalar.h:84
virtual void getPremadeAabb(btVector3 *aabbMin, btVector3 *aabbMax) const
The btStridingMeshInterface is the interface class for high performance generic access to triangle me...
virtual int calculateSerializeBufferSize() const
const btVector3 & getScaling() const
#define BT_DECLARE_ALIGNED_ALLOCATOR()
Definition: btScalar.h:405
virtual void setPremadeAabb(const btVector3 &aabbMin, const btVector3 &aabbMax) const
btIntIndexData * m_indices32
float btScalar
The btScalar type abstracts floating point numbers, to easily switch between double and single floati...
Definition: btScalar.h:294
PHY_ScalarType
PHY_ScalarType enumerates possible scalar types.
btVector3DoubleData * m_vertices3d