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Differential D8762 Diff 28333 extern/bullet2/src/BulletCollision/CollisionShapes/btStridingMeshInterface.h

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extern/bullet2/src/BulletCollision/CollisionShapes/btStridingMeshInterface.h

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#ifndef BT_STRIDING_MESHINTERFACE_H #ifndef BT_STRIDING_MESHINTERFACE_H
#define BT_STRIDING_MESHINTERFACE_H #define BT_STRIDING_MESHINTERFACE_H
#include "LinearMath/btVector3.h" #include "LinearMath/btVector3.h"
#include "btTriangleCallback.h" #include "btTriangleCallback.h"
#include "btConcaveShape.h" #include "btConcaveShape.h"
/// The btStridingMeshInterface is the interface class for high performance generic access to triangle meshes, used in combination with btBvhTriangleMeshShape and some other collision shapes. /// The btStridingMeshInterface is the interface class for high performance generic access to triangle meshes, used in combination with btBvhTriangleMeshShape and some other collision shapes.
/// Using index striding of 3*sizeof(integer) it can use triangle arrays, using index striding of 1*sizeof(integer) it can handle triangle strips. /// Using index striding of 3*sizeof(integer) it can use triangle arrays, using index striding of 1*sizeof(integer) it can handle triangle strips.
/// It allows for sharing graphics and collision meshes. Also it provides locking/unlocking of graphics meshes that are in gpu memory. /// It allows for sharing graphics and collision meshes. Also it provides locking/unlocking of graphics meshes that are in gpu memory.
ATTRIBUTE_ALIGNED16(class ) btStridingMeshInterface ATTRIBUTE_ALIGNED16(class)
btStridingMeshInterface
{ {
protected: protected:
btVector3 m_scaling; btVector3 m_scaling;
public: public:
BT_DECLARE_ALIGNED_ALLOCATOR(); BT_DECLARE_ALIGNED_ALLOCATOR();
btStridingMeshInterface() :m_scaling(btScalar(1.),btScalar(1.),btScalar(1.)) btStridingMeshInterface() : m_scaling(btScalar(1.), btScalar(1.), btScalar(1.))
{ {
} }
virtual ~btStridingMeshInterface(); virtual ~btStridingMeshInterface();
virtual void InternalProcessAllTriangles(btInternalTriangleIndexCallback* callback,const btVector3& aabbMin,const btVector3& aabbMax) const; virtual void InternalProcessAllTriangles(btInternalTriangleIndexCallback * callback, const btVector3& aabbMin, const btVector3& aabbMax) const;
///brute force method to calculate aabb ///brute force method to calculate aabb
void calculateAabbBruteForce(btVector3& aabbMin,btVector3& aabbMax); void calculateAabbBruteForce(btVector3 & aabbMin, btVector3 & aabbMax);
/// get read and write access to a subpart of a triangle mesh /// get read and write access to a subpart of a triangle mesh
/// this subpart has a continuous array of vertices and indices /// this subpart has a continuous array of vertices and indices
/// in this way the mesh can be handled as chunks of memory with striding /// in this way the mesh can be handled as chunks of memory with striding
/// very similar to OpenGL vertexarray support /// very similar to OpenGL vertexarray support
/// make a call to unLockVertexBase when the read and write access is finished /// make a call to unLockVertexBase when the read and write access is finished
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; 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;
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 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;
/// unLockVertexBase finishes the access to a subpart of the triangle mesh /// unLockVertexBase finishes the access to a subpart of the triangle mesh
/// make a call to unLockVertexBase when the read and write access (using getLockedVertexIndexBase) is finished /// make a call to unLockVertexBase when the read and write access (using getLockedVertexIndexBase) is finished
virtual void unLockVertexBase(int subpart)=0; virtual void unLockVertexBase(int subpart) = 0;
virtual void unLockReadOnlyVertexBase(int subpart) const=0; virtual void unLockReadOnlyVertexBase(int subpart) const = 0;
/// getNumSubParts returns the number of separate subparts
/// getNumSubParts returns the number of seperate subparts
/// each subpart has a continuous array of vertices and indices /// each subpart has a continuous array of vertices and indices
virtual int getNumSubParts() const=0; virtual int getNumSubParts() const = 0;
virtual void preallocateVertices(int numverts)=0; virtual void preallocateVertices(int numverts) = 0;
virtual void preallocateIndices(int numindices)=0; virtual void preallocateIndices(int numindices) = 0;
virtual bool hasPremadeAabb() const { return false; } virtual bool hasPremadeAabb() const { return false; }
virtual void setPremadeAabb(const btVector3& aabbMin, const btVector3& aabbMax ) const virtual void setPremadeAabb(const btVector3& aabbMin, const btVector3& aabbMax) const
{ {
(void) aabbMin; (void)aabbMin;
(void) aabbMax; (void)aabbMax;
} }
virtual void getPremadeAabb(btVector3* aabbMin, btVector3* aabbMax ) const virtual void getPremadeAabb(btVector3 * aabbMin, btVector3 * aabbMax) const
{ {
(void) aabbMin; (void)aabbMin;
(void) aabbMax; (void)aabbMax;
} }
const btVector3& getScaling() const { const btVector3& getScaling() const
{
return m_scaling; return m_scaling;
} }
void setScaling(const btVector3& scaling) void setScaling(const btVector3& scaling)
{ {
m_scaling = scaling; m_scaling = scaling;
} }
virtual int calculateSerializeBufferSize() const; virtual int calculateSerializeBufferSize() const;
///fills the dataBuffer and returns the struct name (and 0 on failure) ///fills the dataBuffer and returns the struct name (and 0 on failure)
virtual const char* serialize(void* dataBuffer, btSerializer* serializer) const; virtual const char* serialize(void* dataBuffer, btSerializer* serializer) const;
}; };
struct btIntIndexData struct btIntIndexData
{ {
int m_value; int m_value;
}; };
struct btShortIntIndexData struct btShortIntIndexData
{ {
short m_value; short m_value;
char m_pad[2]; char m_pad[2];
}; };
struct btShortIntIndexTripletData struct btShortIntIndexTripletData
{ {
short m_values[3]; short m_values[3];
char m_pad[2]; char m_pad[2];
}; };
struct btCharIndexTripletData struct btCharIndexTripletData
{ {
unsigned char m_values[3]; unsigned char m_values[3];
char m_pad; char m_pad;
}; };
// clang-format off
///do not change those serialization structures, it requires an updated sBulletDNAstr/sBulletDNAstr64 ///do not change those serialization structures, it requires an updated sBulletDNAstr/sBulletDNAstr64
struct btMeshPartData struct btMeshPartData
{ {
btVector3FloatData *m_vertices3f; btVector3FloatData *m_vertices3f;
btVector3DoubleData *m_vertices3d; btVector3DoubleData *m_vertices3d;
btIntIndexData *m_indices32; btIntIndexData *m_indices32;
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struct btStridingMeshInterfaceData struct btStridingMeshInterfaceData
{ {
btMeshPartData *m_meshPartsPtr; btMeshPartData *m_meshPartsPtr;
btVector3FloatData m_scaling; btVector3FloatData m_scaling;
int m_numMeshParts; int m_numMeshParts;
char m_padding[4]; char m_padding[4];
}; };
// clang-format on
SIMD_FORCE_INLINE int btStridingMeshInterface::calculateSerializeBufferSize() const SIMD_FORCE_INLINE int btStridingMeshInterface::calculateSerializeBufferSize() const
{ {
return sizeof(btStridingMeshInterfaceData); return sizeof(btStridingMeshInterfaceData);
} }
#endif //BT_STRIDING_MESHINTERFACE_H #endif //BT_STRIDING_MESHINTERFACE_H