Bullet Collision Detection & Physics Library
btStridingMeshInterface.h
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1/*
2Bullet Continuous Collision Detection and Physics Library
3Copyright (c) 2003-2009 Erwin Coumans http://bulletphysics.org
4
5This software is provided 'as-is', without any express or implied warranty.
6In no event will the authors be held liable for any damages arising from the use of this software.
7Permission is granted to anyone to use this software for any purpose,
8including commercial applications, and to alter it and redistribute it freely,
9subject to the following restrictions:
10
111. 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.
122. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software.
133. 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
20#include "btTriangleCallback.h"
21#include "btConcaveShape.h"
22
23
24
25
26
31{
32 protected:
33
35
36 public:
38
40 {
41
42 }
43
45
46
47
48 virtual void InternalProcessAllTriangles(btInternalTriangleIndexCallback* callback,const btVector3& aabbMin,const btVector3& aabbMax) const;
49
51 void calculateAabbBruteForce(btVector3& aabbMin,btVector3& aabbMax);
52
58 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;
59
60 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;
61
64 virtual void unLockVertexBase(int subpart)=0;
65
66 virtual void unLockReadOnlyVertexBase(int subpart) const=0;
67
68
71 virtual int getNumSubParts() const=0;
72
73 virtual void preallocateVertices(int numverts)=0;
74 virtual void preallocateIndices(int numindices)=0;
75
76 virtual bool hasPremadeAabb() const { return false; }
77 virtual void setPremadeAabb(const btVector3& aabbMin, const btVector3& aabbMax ) const
78 {
79 (void) aabbMin;
80 (void) aabbMax;
81 }
82 virtual void getPremadeAabb(btVector3* aabbMin, btVector3* aabbMax ) const
83 {
84 (void) aabbMin;
85 (void) aabbMax;
86 }
87
88 const btVector3& getScaling() const {
89 return m_scaling;
90 }
91 void setScaling(const btVector3& scaling)
92 {
93 m_scaling = scaling;
94 }
95
96 virtual int calculateSerializeBufferSize() const;
97
99 virtual const char* serialize(void* dataBuffer, btSerializer* serializer) const;
100
101
102};
103
105{
107};
108
110{
111 short m_value;
112 char m_pad[2];
113};
114
116{
117 short m_values[3];
118 char m_pad[2];
119};
120
122{
123 unsigned char m_values[3];
124 char m_pad;
125};
126
127
130{
133
137
138 btShortIntIndexData *m_indices16;//backwards compatibility
139
140 int m_numTriangles;//length of m_indices = m_numTriangles
142};
143
144
147{
151 char m_padding[4];
152};
153
154
155
156
158{
159 return sizeof(btStridingMeshInterfaceData);
160}
161
162
163
164#endif //BT_STRIDING_MESHINTERFACE_H
PHY_ScalarType
PHY_ScalarType enumerates possible scalar types.
float btScalar
The btScalar type abstracts floating point numbers, to easily switch between double and single floati...
Definition: btScalar.h:292
#define ATTRIBUTE_ALIGNED16(a)
Definition: btScalar.h:82
#define SIMD_FORCE_INLINE
Definition: btScalar.h:81
The btStridingMeshInterface is the interface class for high performance generic access to triangle me...
virtual void getPremadeAabb(btVector3 *aabbMin, btVector3 *aabbMax) const
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
get read and write access to a subpart of a triangle mesh this subpart has a continuous array of vert...
virtual bool hasPremadeAabb() const
const btVector3 & getScaling() const
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
virtual void preallocateIndices(int numindices)=0
virtual void setPremadeAabb(const btVector3 &aabbMin, const btVector3 &aabbMax) const
void setScaling(const btVector3 &scaling)
virtual int calculateSerializeBufferSize() const
virtual void unLockVertexBase(int subpart)=0
unLockVertexBase finishes the access to a subpart of the triangle mesh make a call to unLockVertexBas...
virtual int getNumSubParts() const =0
getNumSubParts returns the number of seperate subparts each subpart has a continuous array of vertice...
virtual void unLockReadOnlyVertexBase(int subpart) const =0
virtual void preallocateVertices(int numverts)=0
btVector3 can be used to represent 3D points and vectors.
Definition: btVector3.h:84
do not change those serialization structures, it requires an updated sBulletDNAstr/sBulletDNAstr64
btShortIntIndexData * m_indices16
btCharIndexTripletData * m_3indices8
btVector3FloatData * m_vertices3f
btShortIntIndexTripletData * m_3indices16
btIntIndexData * m_indices32
btVector3DoubleData * m_vertices3d
do not change those serialization structures, it requires an updated sBulletDNAstr/sBulletDNAstr64