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INCLUDE_DIRECTORIES(
${BULLET_PHYSICS_SOURCE_DIR}/src
)
SET(LinearMath_SRCS
btAlignedAllocator.cpp
btConvexHull.cpp
btConvexHullComputer.cpp
btGeometryUtil.cpp
btPolarDecomposition.cpp
btQuickprof.cpp
btSerializer.cpp
btSerializer64.cpp
btThreads.cpp
btVector3.cpp
)
SET(LinearMath_HDRS
btAabbUtil2.h
btAlignedAllocator.h
btAlignedObjectArray.h
btConvexHull.h
btConvexHullComputer.h
btDefaultMotionState.h
btGeometryUtil.h
btGrahamScan2dConvexHull.h
btHashMap.h
btIDebugDraw.h
btList.h
btMatrix3x3.h
btMinMax.h
btMotionState.h
btPolarDecomposition.h
btPoolAllocator.h
btQuadWord.h
btQuaternion.h
btQuickprof.h
btRandom.h
btScalar.h
btSerializer.h
btStackAlloc.h
btThreads.h
btTransform.h
btTransformUtil.h
btVector3.h
)
ADD_LIBRARY(LinearMath ${LinearMath_SRCS} ${LinearMath_HDRS})
SET_TARGET_PROPERTIES(LinearMath PROPERTIES VERSION ${BULLET_VERSION})
SET_TARGET_PROPERTIES(LinearMath PROPERTIES SOVERSION ${BULLET_VERSION})
IF (INSTALL_LIBS)
IF (NOT INTERNAL_CREATE_DISTRIBUTABLE_MSVC_PROJECTFILES)
#FILES_MATCHING requires CMake 2.6
IF (${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION} GREATER 2.5)
IF (APPLE AND BUILD_SHARED_LIBS AND FRAMEWORK)
INSTALL(TARGETS LinearMath DESTINATION .)
ELSE (APPLE AND BUILD_SHARED_LIBS AND FRAMEWORK)
INSTALL(TARGETS LinearMath
RUNTIME DESTINATION bin
LIBRARY DESTINATION lib${LIB_SUFFIX}
ARCHIVE DESTINATION lib${LIB_SUFFIX})
INSTALL(DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
DESTINATION ${INCLUDE_INSTALL_DIR} FILES_MATCHING PATTERN "*.h" PATTERN
".svn" EXCLUDE PATTERN "CMakeFiles" EXCLUDE)
ENDIF (APPLE AND BUILD_SHARED_LIBS AND FRAMEWORK)
ENDIF (${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION} GREATER 2.5)
IF (APPLE AND BUILD_SHARED_LIBS AND FRAMEWORK)
SET_TARGET_PROPERTIES(LinearMath PROPERTIES FRAMEWORK true)
SET_TARGET_PROPERTIES(LinearMath PROPERTIES PUBLIC_HEADER "${LinearMath_HDRS}")
ENDIF (APPLE AND BUILD_SHARED_LIBS AND FRAMEWORK)
ENDIF (NOT INTERNAL_CREATE_DISTRIBUTABLE_MSVC_PROJECTFILES)
ENDIF (INSTALL_LIBS)

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/*
Copyright (c) 2003-2006 Gino van den Bergen / Erwin Coumans http://continuousphysics.com/Bullet/
This software is provided 'as-is', without any express or implied warranty.
In no event will the authors be held liable for any damages arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it freely,
subject to the following restrictions:
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.
2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
#ifndef BT_AABB_UTIL2
#define BT_AABB_UTIL2
#include "btTransform.h"
#include "btVector3.h"
#include "btMinMax.h"
SIMD_FORCE_INLINE void AabbExpand (btVector3& aabbMin,
btVector3& aabbMax,
const btVector3& expansionMin,
const btVector3& expansionMax)
{
aabbMin = aabbMin + expansionMin;
aabbMax = aabbMax + expansionMax;
}
/// conservative test for overlap between two aabbs
SIMD_FORCE_INLINE bool TestPointAgainstAabb2(const btVector3 &aabbMin1, const btVector3 &aabbMax1,
const btVector3 &point)
{
bool overlap = true;
overlap = (aabbMin1.getX() > point.getX() || aabbMax1.getX() < point.getX()) ? false : overlap;
overlap = (aabbMin1.getZ() > point.getZ() || aabbMax1.getZ() < point.getZ()) ? false : overlap;
overlap = (aabbMin1.getY() > point.getY() || aabbMax1.getY() < point.getY()) ? false : overlap;
return overlap;
}
/// conservative test for overlap between two aabbs
SIMD_FORCE_INLINE bool TestAabbAgainstAabb2(const btVector3 &aabbMin1, const btVector3 &aabbMax1,
const btVector3 &aabbMin2, const btVector3 &aabbMax2)
{
bool overlap = true;
overlap = (aabbMin1.getX() > aabbMax2.getX() || aabbMax1.getX() < aabbMin2.getX()) ? false : overlap;
overlap = (aabbMin1.getZ() > aabbMax2.getZ() || aabbMax1.getZ() < aabbMin2.getZ()) ? false : overlap;
overlap = (aabbMin1.getY() > aabbMax2.getY() || aabbMax1.getY() < aabbMin2.getY()) ? false : overlap;
return overlap;
}
/// conservative test for overlap between triangle and aabb
SIMD_FORCE_INLINE bool TestTriangleAgainstAabb2(const btVector3 *vertices,
const btVector3 &aabbMin, const btVector3 &aabbMax)
{
const btVector3 &p1 = vertices[0];
const btVector3 &p2 = vertices[1];
const btVector3 &p3 = vertices[2];
if (btMin(btMin(p1[0], p2[0]), p3[0]) > aabbMax[0]) return false;
if (btMax(btMax(p1[0], p2[0]), p3[0]) < aabbMin[0]) return false;
if (btMin(btMin(p1[2], p2[2]), p3[2]) > aabbMax[2]) return false;
if (btMax(btMax(p1[2], p2[2]), p3[2]) < aabbMin[2]) return false;
if (btMin(btMin(p1[1], p2[1]), p3[1]) > aabbMax[1]) return false;
if (btMax(btMax(p1[1], p2[1]), p3[1]) < aabbMin[1]) return false;
return true;
}
SIMD_FORCE_INLINE int btOutcode(const btVector3& p,const btVector3& halfExtent)
{
return (p.getX() < -halfExtent.getX() ? 0x01 : 0x0) |
(p.getX() > halfExtent.getX() ? 0x08 : 0x0) |
(p.getY() < -halfExtent.getY() ? 0x02 : 0x0) |
(p.getY() > halfExtent.getY() ? 0x10 : 0x0) |
(p.getZ() < -halfExtent.getZ() ? 0x4 : 0x0) |
(p.getZ() > halfExtent.getZ() ? 0x20 : 0x0);
}
SIMD_FORCE_INLINE bool btRayAabb2(const btVector3& rayFrom,
const btVector3& rayInvDirection,
const unsigned int raySign[3],
const btVector3 bounds[2],
btScalar& tmin,
btScalar lambda_min,
btScalar lambda_max)
{
btScalar tmax, tymin, tymax, tzmin, tzmax;
tmin = (bounds[raySign[0]].getX() - rayFrom.getX()) * rayInvDirection.getX();
tmax = (bounds[1-raySign[0]].getX() - rayFrom.getX()) * rayInvDirection.getX();
tymin = (bounds[raySign[1]].getY() - rayFrom.getY()) * rayInvDirection.getY();
tymax = (bounds[1-raySign[1]].getY() - rayFrom.getY()) * rayInvDirection.getY();
if ( (tmin > tymax) || (tymin > tmax) )
return false;
if (tymin > tmin)
tmin = tymin;
if (tymax < tmax)
tmax = tymax;
tzmin = (bounds[raySign[2]].getZ() - rayFrom.getZ()) * rayInvDirection.getZ();
tzmax = (bounds[1-raySign[2]].getZ() - rayFrom.getZ()) * rayInvDirection.getZ();
if ( (tmin > tzmax) || (tzmin > tmax) )
return false;
if (tzmin > tmin)
tmin = tzmin;
if (tzmax < tmax)
tmax = tzmax;
return ( (tmin < lambda_max) && (tmax > lambda_min) );
}
SIMD_FORCE_INLINE bool btRayAabb(const btVector3& rayFrom,
const btVector3& rayTo,
const btVector3& aabbMin,
const btVector3& aabbMax,
btScalar& param, btVector3& normal)
{
btVector3 aabbHalfExtent = (aabbMax-aabbMin)* btScalar(0.5);
btVector3 aabbCenter = (aabbMax+aabbMin)* btScalar(0.5);
btVector3 source = rayFrom - aabbCenter;
btVector3 target = rayTo - aabbCenter;
int sourceOutcode = btOutcode(source,aabbHalfExtent);
int targetOutcode = btOutcode(target,aabbHalfExtent);
if ((sourceOutcode & targetOutcode) == 0x0)
{
btScalar lambda_enter = btScalar(0.0);
btScalar lambda_exit = param;
btVector3 r = target - source;
int i;
btScalar normSign = 1;
btVector3 hitNormal(0,0,0);
int bit=1;
for (int j=0;j<2;j++)
{
for (i = 0; i != 3; ++i)
{
if (sourceOutcode & bit)
{
btScalar lambda = (-source[i] - aabbHalfExtent[i]*normSign) / r[i];
if (lambda_enter <= lambda)
{
lambda_enter = lambda;
hitNormal.setValue(0,0,0);
hitNormal[i] = normSign;
}
}
else if (targetOutcode & bit)
{
btScalar lambda = (-source[i] - aabbHalfExtent[i]*normSign) / r[i];
btSetMin(lambda_exit, lambda);
}
bit<<=1;
}
normSign = btScalar(-1.);
}
if (lambda_enter <= lambda_exit)
{
param = lambda_enter;
normal = hitNormal;
return true;
}
}
return false;
}
SIMD_FORCE_INLINE void btTransformAabb(const btVector3& halfExtents, btScalar margin,const btTransform& t,btVector3& aabbMinOut,btVector3& aabbMaxOut)
{
btVector3 halfExtentsWithMargin = halfExtents+btVector3(margin,margin,margin);
btMatrix3x3 abs_b = t.getBasis().absolute();
btVector3 center = t.getOrigin();
btVector3 extent = halfExtentsWithMargin.dot3( abs_b[0], abs_b[1], abs_b[2] );
aabbMinOut = center - extent;
aabbMaxOut = center + extent;
}
SIMD_FORCE_INLINE void btTransformAabb(const btVector3& localAabbMin,const btVector3& localAabbMax, btScalar margin,const btTransform& trans,btVector3& aabbMinOut,btVector3& aabbMaxOut)
{
btAssert(localAabbMin.getX() <= localAabbMax.getX());
btAssert(localAabbMin.getY() <= localAabbMax.getY());
btAssert(localAabbMin.getZ() <= localAabbMax.getZ());
btVector3 localHalfExtents = btScalar(0.5)*(localAabbMax-localAabbMin);
localHalfExtents+=btVector3(margin,margin,margin);
btVector3 localCenter = btScalar(0.5)*(localAabbMax+localAabbMin);
btMatrix3x3 abs_b = trans.getBasis().absolute();
btVector3 center = trans(localCenter);
btVector3 extent = localHalfExtents.dot3( abs_b[0], abs_b[1], abs_b[2] );
aabbMinOut = center-extent;
aabbMaxOut = center+extent;
}
#define USE_BANCHLESS 1
#ifdef USE_BANCHLESS
//This block replaces the block below and uses no branches, and replaces the 8 bit return with a 32 bit return for improved performance (~3x on XBox 360)
SIMD_FORCE_INLINE unsigned testQuantizedAabbAgainstQuantizedAabb(const unsigned short int* aabbMin1,const unsigned short int* aabbMax1,const unsigned short int* aabbMin2,const unsigned short int* aabbMax2)
{
return static_cast<unsigned int>(btSelect((unsigned)((aabbMin1[0] <= aabbMax2[0]) & (aabbMax1[0] >= aabbMin2[0])
& (aabbMin1[2] <= aabbMax2[2]) & (aabbMax1[2] >= aabbMin2[2])
& (aabbMin1[1] <= aabbMax2[1]) & (aabbMax1[1] >= aabbMin2[1])),
1, 0));
}
#else
SIMD_FORCE_INLINE bool testQuantizedAabbAgainstQuantizedAabb(const unsigned short int* aabbMin1,const unsigned short int* aabbMax1,const unsigned short int* aabbMin2,const unsigned short int* aabbMax2)
{
bool overlap = true;
overlap = (aabbMin1[0] > aabbMax2[0] || aabbMax1[0] < aabbMin2[0]) ? false : overlap;
overlap = (aabbMin1[2] > aabbMax2[2] || aabbMax1[2] < aabbMin2[2]) ? false : overlap;
overlap = (aabbMin1[1] > aabbMax2[1] || aabbMax1[1] < aabbMin2[1]) ? false : overlap;
return overlap;
}
#endif //USE_BANCHLESS
#endif //BT_AABB_UTIL2

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/*
Bullet Continuous Collision Detection and Physics Library
Copyright (c) 2003-2006 Erwin Coumans http://continuousphysics.com/Bullet/
This software is provided 'as-is', without any express or implied warranty.
In no event will the authors be held liable for any damages arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it freely,
subject to the following restrictions:
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.
2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
#include "btAlignedAllocator.h"
int gNumAlignedAllocs = 0;
int gNumAlignedFree = 0;
int gTotalBytesAlignedAllocs = 0;//detect memory leaks
static void *btAllocDefault(size_t size)
{
return malloc(size);
}
static void btFreeDefault(void *ptr)
{
free(ptr);
}
static btAllocFunc *sAllocFunc = btAllocDefault;
static btFreeFunc *sFreeFunc = btFreeDefault;
#if defined (BT_HAS_ALIGNED_ALLOCATOR)
#include <malloc.h>
static void *btAlignedAllocDefault(size_t size, int alignment)
{
return _aligned_malloc(size, (size_t)alignment);
}
static void btAlignedFreeDefault(void *ptr)
{
_aligned_free(ptr);
}
#elif defined(__CELLOS_LV2__)
#include <stdlib.h>
static inline void *btAlignedAllocDefault(size_t size, int alignment)
{
return memalign(alignment, size);
}
static inline void btAlignedFreeDefault(void *ptr)
{
free(ptr);
}
#else
static inline void *btAlignedAllocDefault(size_t size, int alignment)
{
void *ret;
char *real;
real = (char *)sAllocFunc(size + sizeof(void *) + (alignment-1));
if (real) {
ret = btAlignPointer(real + sizeof(void *),alignment);
*((void **)(ret)-1) = (void *)(real);
} else {
ret = (void *)(real);
}
return (ret);
}
static inline void btAlignedFreeDefault(void *ptr)
{
void* real;
if (ptr) {
real = *((void **)(ptr)-1);
sFreeFunc(real);
}
}
#endif
static btAlignedAllocFunc *sAlignedAllocFunc = btAlignedAllocDefault;
static btAlignedFreeFunc *sAlignedFreeFunc = btAlignedFreeDefault;
void btAlignedAllocSetCustomAligned(btAlignedAllocFunc *allocFunc, btAlignedFreeFunc *freeFunc)
{
sAlignedAllocFunc = allocFunc ? allocFunc : btAlignedAllocDefault;
sAlignedFreeFunc = freeFunc ? freeFunc : btAlignedFreeDefault;
}
void btAlignedAllocSetCustom(btAllocFunc *allocFunc, btFreeFunc *freeFunc)
{
sAllocFunc = allocFunc ? allocFunc : btAllocDefault;
sFreeFunc = freeFunc ? freeFunc : btFreeDefault;
}
#ifdef BT_DEBUG_MEMORY_ALLOCATIONS
static int allocations_id[10241024];
static int allocations_bytes[10241024];
static int mynumallocs = 0;
#include <stdio.h>
int btDumpMemoryLeaks()
{
int totalLeak = 0;
for (int i=0;i<mynumallocs;i++)
{
printf("Error: leaked memory of allocation #%d (%d bytes)\n", allocations_id[i], allocations_bytes[i]);
totalLeak+=allocations_bytes[i];
}
if (totalLeak)
{
printf("Error: memory leaks: %d allocations were not freed and leaked together %d bytes\n",mynumallocs,totalLeak);
}
return totalLeak;
}
//this generic allocator provides the total allocated number of bytes
#include <stdio.h>
struct btDebugPtrMagic
{
union
{
void** vptrptr;
void* vptr;
int* iptr;
char* cptr;
};
};
void* btAlignedAllocInternal (size_t size, int alignment,int line,char* filename)
{
if (size==0)
{
printf("Whaat? size==0");
return 0;
}
static int allocId = 0;
void *ret;
char *real;
// to find some particular memory leak, you could do something like this:
// if (allocId==172)
// {
// printf("catch me!\n");
// }
// if (size>1024*1024)
// {
// printf("big alloc!%d\n", size);
// }
gTotalBytesAlignedAllocs += size;
gNumAlignedAllocs++;
int sz4prt = 4*sizeof(void *);
real = (char *)sAllocFunc(size + sz4prt + (alignment-1));
if (real) {
ret = (void*) btAlignPointer(real + sz4prt, alignment);
btDebugPtrMagic p;
p.vptr = ret;
p.cptr-=sizeof(void*);
*p.vptrptr = (void*)real;
p.cptr-=sizeof(void*);
*p.iptr = size;
p.cptr-=sizeof(void*);
*p.iptr = allocId;
allocations_id[mynumallocs] = allocId;
allocations_bytes[mynumallocs] = size;
mynumallocs++;
} else {
ret = (void *)(real);//??
}
printf("allocation %d at address %x, from %s,line %d, size %d (total allocated = %d)\n",allocId,real, filename,line,size,gTotalBytesAlignedAllocs);
allocId++;
int* ptr = (int*)ret;
*ptr = 12;
return (ret);
}
void btAlignedFreeInternal (void* ptr,int line,char* filename)
{
void* real;
if (ptr) {
gNumAlignedFree++;
btDebugPtrMagic p;
p.vptr = ptr;
p.cptr-=sizeof(void*);
real = *p.vptrptr;
p.cptr-=sizeof(void*);
int size = *p.iptr;
p.cptr-=sizeof(void*);
int allocId = *p.iptr;
bool found = false;
for (int i=0;i<mynumallocs;i++)
{
if ( allocations_id[i] == allocId)
{
allocations_id[i] = allocations_id[mynumallocs-1];
allocations_bytes[i] = allocations_bytes[mynumallocs-1];
mynumallocs--;
found = true;
break;
}
}
gTotalBytesAlignedAllocs -= size;
int diff = gNumAlignedAllocs-gNumAlignedFree;
printf("free %d at address %x, from %s,line %d, size %d (total remain = %d in %d non-freed allocations)\n",allocId,real, filename,line,size, gTotalBytesAlignedAllocs, diff);
sFreeFunc(real);
} else
{
//printf("deleting a NULL ptr, no effect\n");
}
}
#else //BT_DEBUG_MEMORY_ALLOCATIONS
void* btAlignedAllocInternal (size_t size, int alignment)
{
gNumAlignedAllocs++;
void* ptr;
ptr = sAlignedAllocFunc(size, alignment);
// printf("btAlignedAllocInternal %d, %x\n",size,ptr);
return ptr;
}
void btAlignedFreeInternal (void* ptr)
{
if (!ptr)
{
return;
}
gNumAlignedFree++;
// printf("btAlignedFreeInternal %x\n",ptr);
sAlignedFreeFunc(ptr);
}
#endif //BT_DEBUG_MEMORY_ALLOCATIONS

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/*
Bullet Continuous Collision Detection and Physics Library
Copyright (c) 2003-2006 Erwin Coumans http://continuousphysics.com/Bullet/
This software is provided 'as-is', without any express or implied warranty.
In no event will the authors be held liable for any damages arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it freely,
subject to the following restrictions:
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.
2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
#ifndef BT_ALIGNED_ALLOCATOR
#define BT_ALIGNED_ALLOCATOR
///we probably replace this with our own aligned memory allocator
///so we replace _aligned_malloc and _aligned_free with our own
///that is better portable and more predictable
#include "btScalar.h"
///BT_DEBUG_MEMORY_ALLOCATIONS preprocessor can be set in build system
///for regression tests to detect memory leaks
///#define BT_DEBUG_MEMORY_ALLOCATIONS 1
#ifdef BT_DEBUG_MEMORY_ALLOCATIONS
int btDumpMemoryLeaks();
#define btAlignedAlloc(a,b) \
btAlignedAllocInternal(a,b,__LINE__,__FILE__)
#define btAlignedFree(ptr) \
btAlignedFreeInternal(ptr,__LINE__,__FILE__)
void* btAlignedAllocInternal (size_t size, int alignment,int line,char* filename);
void btAlignedFreeInternal (void* ptr,int line,char* filename);
#else
void* btAlignedAllocInternal (size_t size, int alignment);
void btAlignedFreeInternal (void* ptr);
#define btAlignedAlloc(size,alignment) btAlignedAllocInternal(size,alignment)
#define btAlignedFree(ptr) btAlignedFreeInternal(ptr)
#endif
typedef int size_type;
typedef void *(btAlignedAllocFunc)(size_t size, int alignment);
typedef void (btAlignedFreeFunc)(void *memblock);
typedef void *(btAllocFunc)(size_t size);
typedef void (btFreeFunc)(void *memblock);
///The developer can let all Bullet memory allocations go through a custom memory allocator, using btAlignedAllocSetCustom
void btAlignedAllocSetCustom(btAllocFunc *allocFunc, btFreeFunc *freeFunc);
///If the developer has already an custom aligned allocator, then btAlignedAllocSetCustomAligned can be used. The default aligned allocator pre-allocates extra memory using the non-aligned allocator, and instruments it.
void btAlignedAllocSetCustomAligned(btAlignedAllocFunc *allocFunc, btAlignedFreeFunc *freeFunc);
///The btAlignedAllocator is a portable class for aligned memory allocations.
///Default implementations for unaligned and aligned allocations can be overridden by a custom allocator using btAlignedAllocSetCustom and btAlignedAllocSetCustomAligned.
template < typename T , unsigned Alignment >
class btAlignedAllocator {
typedef btAlignedAllocator< T , Alignment > self_type;
public:
//just going down a list:
btAlignedAllocator() {}
/*
btAlignedAllocator( const self_type & ) {}
*/
template < typename Other >
btAlignedAllocator( const btAlignedAllocator< Other , Alignment > & ) {}
typedef const T* const_pointer;
typedef const T& const_reference;
typedef T* pointer;
typedef T& reference;
typedef T value_type;
pointer address ( reference ref ) const { return &ref; }
const_pointer address ( const_reference ref ) const { return &ref; }
pointer allocate ( size_type n , const_pointer * hint = 0 ) {
(void)hint;
return reinterpret_cast< pointer >(btAlignedAlloc( sizeof(value_type) * n , Alignment ));
}
void construct ( pointer ptr , const value_type & value ) { new (ptr) value_type( value ); }
void deallocate( pointer ptr ) {
btAlignedFree( reinterpret_cast< void * >( ptr ) );
}
void destroy ( pointer ptr ) { ptr->~value_type(); }
template < typename O > struct rebind {
typedef btAlignedAllocator< O , Alignment > other;
};
template < typename O >
self_type & operator=( const btAlignedAllocator< O , Alignment > & ) { return *this; }
friend bool operator==( const self_type & , const self_type & ) { return true; }
};
#endif //BT_ALIGNED_ALLOCATOR

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/*
Bullet Continuous Collision Detection and Physics Library
Copyright (c) 2003-2006 Erwin Coumans http://continuousphysics.com/Bullet/
This software is provided 'as-is', without any express or implied warranty.
In no event will the authors be held liable for any damages arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it freely,
subject to the following restrictions:
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.
2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
#ifndef BT_OBJECT_ARRAY__
#define BT_OBJECT_ARRAY__
#include "btScalar.h" // has definitions like SIMD_FORCE_INLINE
#include "btAlignedAllocator.h"
///If the platform doesn't support placement new, you can disable BT_USE_PLACEMENT_NEW
///then the btAlignedObjectArray doesn't support objects with virtual methods, and non-trivial constructors/destructors
///You can enable BT_USE_MEMCPY, then swapping elements in the array will use memcpy instead of operator=
///see discussion here: http://continuousphysics.com/Bullet/phpBB2/viewtopic.php?t=1231 and
///http://www.continuousphysics.com/Bullet/phpBB2/viewtopic.php?t=1240
#define BT_USE_PLACEMENT_NEW 1
//#define BT_USE_MEMCPY 1 //disable, because it is cumbersome to find out for each platform where memcpy is defined. It can be in <memory.h> or <string.h> or otherwise...
#define BT_ALLOW_ARRAY_COPY_OPERATOR // enabling this can accidently perform deep copies of data if you are not careful
#ifdef BT_USE_MEMCPY
#include <memory.h>
#include <string.h>
#endif //BT_USE_MEMCPY
#ifdef BT_USE_PLACEMENT_NEW
#include <new> //for placement new
#endif //BT_USE_PLACEMENT_NEW
// The register keyword is deprecated in C++11 so don't use it.
#if __cplusplus > 199711L
#define BT_REGISTER
#else
#define BT_REGISTER register
#endif
///The btAlignedObjectArray template class uses a subset of the stl::vector interface for its methods
///It is developed to replace stl::vector to avoid portability issues, including STL alignment issues to add SIMD/SSE data
template <typename T>
//template <class T>
class btAlignedObjectArray
{
btAlignedAllocator<T , 16> m_allocator;
int m_size;
int m_capacity;
T* m_data;
//PCK: added this line
bool m_ownsMemory;
#ifdef BT_ALLOW_ARRAY_COPY_OPERATOR
public:
SIMD_FORCE_INLINE btAlignedObjectArray<T>& operator=(const btAlignedObjectArray<T> &other)
{
copyFromArray(other);
return *this;
}
#else//BT_ALLOW_ARRAY_COPY_OPERATOR
private:
SIMD_FORCE_INLINE btAlignedObjectArray<T>& operator=(const btAlignedObjectArray<T> &other);
#endif//BT_ALLOW_ARRAY_COPY_OPERATOR
protected:
SIMD_FORCE_INLINE int allocSize(int size)
{
return (size ? size*2 : 1);
}
SIMD_FORCE_INLINE void copy(int start,int end, T* dest) const
{
int i;
for (i=start;i<end;++i)
#ifdef BT_USE_PLACEMENT_NEW
new (&dest[i]) T(m_data[i]);
#else
dest[i] = m_data[i];
#endif //BT_USE_PLACEMENT_NEW
}
SIMD_FORCE_INLINE void init()
{
//PCK: added this line
m_ownsMemory = true;
m_data = 0;
m_size = 0;
m_capacity = 0;
}
SIMD_FORCE_INLINE void destroy(int first,int last)
{
int i;
for (i=first; i<last;i++)
{
m_data[i].~T();
}
}
SIMD_FORCE_INLINE void* allocate(int size)
{
if (size)
return m_allocator.allocate(size);
return 0;
}
SIMD_FORCE_INLINE void deallocate()
{
if(m_data) {
//PCK: enclosed the deallocation in this block
if (m_ownsMemory)
{
m_allocator.deallocate(m_data);
}
m_data = 0;
}
}
public:
btAlignedObjectArray()
{
init();
}
~btAlignedObjectArray()
{
clear();
}
///Generally it is best to avoid using the copy constructor of an btAlignedObjectArray, and use a (const) reference to the array instead.
btAlignedObjectArray(const btAlignedObjectArray& otherArray)
{
init();
int otherSize = otherArray.size();
resize (otherSize);
otherArray.copy(0, otherSize, m_data);
}
/// return the number of elements in the array
SIMD_FORCE_INLINE int size() const
{
return m_size;
}
SIMD_FORCE_INLINE const T& at(int n) const
{
btAssert(n>=0);
btAssert(n<size());
return m_data[n];
}
SIMD_FORCE_INLINE T& at(int n)
{
btAssert(n>=0);
btAssert(n<size());
return m_data[n];
}
SIMD_FORCE_INLINE const T& operator[](int n) const
{
btAssert(n>=0);
btAssert(n<size());
return m_data[n];
}
SIMD_FORCE_INLINE T& operator[](int n)
{
btAssert(n>=0);
btAssert(n<size());
return m_data[n];
}
///clear the array, deallocated memory. Generally it is better to use array.resize(0), to reduce performance overhead of run-time memory (de)allocations.
SIMD_FORCE_INLINE void clear()
{
destroy(0,size());
deallocate();
init();
}
SIMD_FORCE_INLINE void pop_back()
{
btAssert(m_size>0);
m_size--;
m_data[m_size].~T();
}
///resize changes the number of elements in the array. If the new size is larger, the new elements will be constructed using the optional second argument.
///when the new number of elements is smaller, the destructor will be called, but memory will not be freed, to reduce performance overhead of run-time memory (de)allocations.
SIMD_FORCE_INLINE void resizeNoInitialize(int newsize)
{
if (newsize > size())
{
reserve(newsize);
}
m_size = newsize;
}
SIMD_FORCE_INLINE void resize(int newsize, const T& fillData=T())
{
const BT_REGISTER int curSize = size();
if (newsize < curSize)
{
for(int i = newsize; i < curSize; i++)
{
m_data[i].~T();
}
} else
{
if (newsize > curSize)
{
reserve(newsize);
}
#ifdef BT_USE_PLACEMENT_NEW
for (int i=curSize;i<newsize;i++)
{
new ( &m_data[i]) T(fillData);
}
#endif //BT_USE_PLACEMENT_NEW
}
m_size = newsize;
}
SIMD_FORCE_INLINE T& expandNonInitializing( )
{
const BT_REGISTER int sz = size();
if( sz == capacity() )
{
reserve( allocSize(size()) );
}
m_size++;
return m_data[sz];
}
SIMD_FORCE_INLINE T& expand( const T& fillValue=T())
{
const BT_REGISTER int sz = size();
if( sz == capacity() )
{
reserve( allocSize(size()) );
}
m_size++;
#ifdef BT_USE_PLACEMENT_NEW
new (&m_data[sz]) T(fillValue); //use the in-place new (not really allocating heap memory)
#endif
return m_data[sz];
}
SIMD_FORCE_INLINE void push_back(const T& _Val)
{
const BT_REGISTER int sz = size();
if( sz == capacity() )
{
reserve( allocSize(size()) );
}
#ifdef BT_USE_PLACEMENT_NEW
new ( &m_data[m_size] ) T(_Val);
#else
m_data[size()] = _Val;
#endif //BT_USE_PLACEMENT_NEW
m_size++;
}
/// return the pre-allocated (reserved) elements, this is at least as large as the total number of elements,see size() and reserve()
SIMD_FORCE_INLINE int capacity() const
{
return m_capacity;
}
SIMD_FORCE_INLINE void reserve(int _Count)
{ // determine new minimum length of allocated storage
if (capacity() < _Count)
{ // not enough room, reallocate
T* s = (T*)allocate(_Count);
copy(0, size(), s);
destroy(0,size());
deallocate();
//PCK: added this line
m_ownsMemory = true;
m_data = s;
m_capacity = _Count;
}
}
class less
{
public:
bool operator() ( const T& a, const T& b ) const
{
return ( a < b );
}
};
template <typename L>
void quickSortInternal(const L& CompareFunc,int lo, int hi)
{
// lo is the lower index, hi is the upper index
// of the region of array a that is to be sorted
int i=lo, j=hi;
T x=m_data[(lo+hi)/2];
// partition
do
{
while (CompareFunc(m_data[i],x))
i++;
while (CompareFunc(x,m_data[j]))
j--;
if (i<=j)
{
swap(i,j);
i++; j--;
}
} while (i<=j);
// recursion
if (lo<j)
quickSortInternal( CompareFunc, lo, j);
if (i<hi)
quickSortInternal( CompareFunc, i, hi);
}
template <typename L>
void quickSort(const L& CompareFunc)
{
//don't sort 0 or 1 elements
if (size()>1)
{
quickSortInternal(CompareFunc,0,size()-1);
}
}
///heap sort from http://www.csse.monash.edu.au/~lloyd/tildeAlgDS/Sort/Heap/
template <typename L>
void downHeap(T *pArr, int k, int n, const L& CompareFunc)
{
/* PRE: a[k+1..N] is a heap */
/* POST: a[k..N] is a heap */
T temp = pArr[k - 1];
/* k has child(s) */
while (k <= n/2)
{
int child = 2*k;
if ((child < n) && CompareFunc(pArr[child - 1] , pArr[child]))
{
child++;
}
/* pick larger child */
if (CompareFunc(temp , pArr[child - 1]))
{
/* move child up */
pArr[k - 1] = pArr[child - 1];
k = child;
}
else
{
break;
}
}
pArr[k - 1] = temp;
} /*downHeap*/
void swap(int index0,int index1)
{
#ifdef BT_USE_MEMCPY
char temp[sizeof(T)];
memcpy(temp,&m_data[index0],sizeof(T));
memcpy(&m_data[index0],&m_data[index1],sizeof(T));
memcpy(&m_data[index1],temp,sizeof(T));
#else
T temp = m_data[index0];
m_data[index0] = m_data[index1];
m_data[index1] = temp;
#endif //BT_USE_PLACEMENT_NEW
}
template <typename L>
void heapSort(const L& CompareFunc)
{
/* sort a[0..N-1], N.B. 0 to N-1 */
int k;
int n = m_size;
for (k = n/2; k > 0; k--)
{
downHeap(m_data, k, n, CompareFunc);
}
/* a[1..N] is now a heap */
while ( n>=1 )
{
swap(0,n-1); /* largest of a[0..n-1] */
n = n - 1;
/* restore a[1..i-1] heap */
downHeap(m_data, 1, n, CompareFunc);
}
}
///non-recursive binary search, assumes sorted array
int findBinarySearch(const T& key) const
{
int first = 0;
int last = size()-1;
//assume sorted array
while (first <= last) {
int mid = (first + last) / 2; // compute mid point.
if (key > m_data[mid])
first = mid + 1; // repeat search in top half.
else if (key < m_data[mid])
last = mid - 1; // repeat search in bottom half.
else
return mid; // found it. return position /////
}
return size(); // failed to find key
}
int findLinearSearch(const T& key) const
{
int index=size();
int i;
for (i=0;i<size();i++)
{
if (m_data[i] == key)
{
index = i;
break;
}
}
return index;
}
// If the key is not in the array, return -1 instead of 0,
// since 0 also means the first element in the array.
int findLinearSearch2(const T& key) const
{
int index=-1;
int i;
for (i=0;i<size();i++)
{
if (m_data[i] == key)
{
index = i;
break;
}
}
return index;
}
void removeAtIndex(int index)
{
if (index<size())
{
swap( index,size()-1);
pop_back();
}
}
void remove(const T& key)
{
int findIndex = findLinearSearch(key);
removeAtIndex(findIndex);
}
//PCK: whole function
void initializeFromBuffer(void *buffer, int size, int capacity)
{
clear();
m_ownsMemory = false;
m_data = (T*)buffer;
m_size = size;
m_capacity = capacity;
}
void copyFromArray(const btAlignedObjectArray& otherArray)
{
int otherSize = otherArray.size();
resize (otherSize);
otherArray.copy(0, otherSize, m_data);
}
};
#endif //BT_OBJECT_ARRAY__

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/*
Stan Melax Convex Hull Computation
Copyright (c) 2008 Stan Melax http://www.melax.com/
This software is provided 'as-is', without any express or implied warranty.
In no event will the authors be held liable for any damages arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it freely,
subject to the following restrictions:
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.
2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
///includes modifications/improvements by John Ratcliff, see BringOutYourDead below.
#ifndef BT_CD_HULL_H
#define BT_CD_HULL_H
#include "btVector3.h"
#include "btAlignedObjectArray.h"
typedef btAlignedObjectArray<unsigned int> TUIntArray;
class HullResult
{
public:
HullResult(void)
{
mPolygons = true;
mNumOutputVertices = 0;
mNumFaces = 0;
mNumIndices = 0;
}
bool mPolygons; // true if indices represents polygons, false indices are triangles
unsigned int mNumOutputVertices; // number of vertices in the output hull
btAlignedObjectArray<btVector3> m_OutputVertices; // array of vertices
unsigned int mNumFaces; // the number of faces produced
unsigned int mNumIndices; // the total number of indices
btAlignedObjectArray<unsigned int> m_Indices; // pointer to indices.
// If triangles, then indices are array indexes into the vertex list.
// If polygons, indices are in the form (number of points in face) (p1, p2, p3, ..) etc..
};
enum HullFlag
{
QF_TRIANGLES = (1<<0), // report results as triangles, not polygons.
QF_REVERSE_ORDER = (1<<1), // reverse order of the triangle indices.
QF_DEFAULT = QF_TRIANGLES
};
class HullDesc
{
public:
HullDesc(void)
{
mFlags = QF_DEFAULT;
mVcount = 0;
mVertices = 0;
mVertexStride = sizeof(btVector3);
mNormalEpsilon = 0.001f;
mMaxVertices = 4096; // maximum number of points to be considered for a convex hull.
mMaxFaces = 4096;
};
HullDesc(HullFlag flag,
unsigned int vcount,
const btVector3 *vertices,
unsigned int stride = sizeof(btVector3))
{
mFlags = flag;
mVcount = vcount;
mVertices = vertices;
mVertexStride = stride;
mNormalEpsilon = btScalar(0.001);
mMaxVertices = 4096;
}
bool HasHullFlag(HullFlag flag) const
{
if ( mFlags & flag ) return true;
return false;
}
void SetHullFlag(HullFlag flag)
{
mFlags|=flag;
}
void ClearHullFlag(HullFlag flag)
{
mFlags&=~flag;
}
unsigned int mFlags; // flags to use when generating the convex hull.
unsigned int mVcount; // number of vertices in the input point cloud
const btVector3 *mVertices; // the array of vertices.
unsigned int mVertexStride; // the stride of each vertex, in bytes.
btScalar mNormalEpsilon; // the epsilon for removing duplicates. This is a normalized value, if normalized bit is on.
unsigned int mMaxVertices; // maximum number of vertices to be considered for the hull!
unsigned int mMaxFaces;
};
enum HullError
{
QE_OK, // success!
QE_FAIL // failed.
};
class btPlane
{
public:
btVector3 normal;
btScalar dist; // distance below origin - the D from plane equasion Ax+By+Cz+D=0
btPlane(const btVector3 &n,btScalar d):normal(n),dist(d){}
btPlane():normal(),dist(0){}
};
class ConvexH
{
public:
class HalfEdge
{
public:
short ea; // the other half of the edge (index into edges list)
unsigned char v; // the vertex at the start of this edge (index into vertices list)
unsigned char p; // the facet on which this edge lies (index into facets list)
HalfEdge(){}
HalfEdge(short _ea,unsigned char _v, unsigned char _p):ea(_ea),v(_v),p(_p){}
};
ConvexH()
{
}
~ConvexH()
{
}
btAlignedObjectArray<btVector3> vertices;
btAlignedObjectArray<HalfEdge> edges;
btAlignedObjectArray<btPlane> facets;
ConvexH(int vertices_size,int edges_size,int facets_size);
};
class int4
{
public:
int x,y,z,w;
int4(){};
int4(int _x,int _y, int _z,int _w){x=_x;y=_y;z=_z;w=_w;}
const int& operator[](int i) const {return (&x)[i];}
int& operator[](int i) {return (&x)[i];}
};
class PHullResult
{
public:
PHullResult(void)
{
mVcount = 0;
mIndexCount = 0;
mFaceCount = 0;
mVertices = 0;
}
unsigned int mVcount;
unsigned int mIndexCount;
unsigned int mFaceCount;
btVector3* mVertices;
TUIntArray m_Indices;
};
///The HullLibrary class can create a convex hull from a collection of vertices, using the ComputeHull method.
///The btShapeHull class uses this HullLibrary to create a approximate convex mesh given a general (non-polyhedral) convex shape.
class HullLibrary
{
btAlignedObjectArray<class btHullTriangle*> m_tris;
public:
btAlignedObjectArray<int> m_vertexIndexMapping;
HullError CreateConvexHull(const HullDesc& desc, // describes the input request
HullResult& result); // contains the resulst
HullError ReleaseResult(HullResult &result); // release memory allocated for this result, we are done with it.
private:
bool ComputeHull(unsigned int vcount,const btVector3 *vertices,PHullResult &result,unsigned int vlimit);
class btHullTriangle* allocateTriangle(int a,int b,int c);
void deAllocateTriangle(btHullTriangle*);
void b2bfix(btHullTriangle* s,btHullTriangle*t);
void removeb2b(btHullTriangle* s,btHullTriangle*t);
void checkit(btHullTriangle *t);
btHullTriangle* extrudable(btScalar epsilon);
int calchull(btVector3 *verts,int verts_count, TUIntArray& tris_out, int &tris_count,int vlimit);
int calchullgen(btVector3 *verts,int verts_count, int vlimit);
int4 FindSimplex(btVector3 *verts,int verts_count,btAlignedObjectArray<int> &allow);
class ConvexH* ConvexHCrop(ConvexH& convex,const btPlane& slice);
void extrude(class btHullTriangle* t0,int v);
ConvexH* test_cube();
//BringOutYourDead (John Ratcliff): When you create a convex hull you hand it a large input set of vertices forming a 'point cloud'.
//After the hull is generated it give you back a set of polygon faces which index the *original* point cloud.
//The thing is, often times, there are many 'dead vertices' in the point cloud that are on longer referenced by the hull.
//The routine 'BringOutYourDead' find only the referenced vertices, copies them to an new buffer, and re-indexes the hull so that it is a minimal representation.
void BringOutYourDead(const btVector3* verts,unsigned int vcount, btVector3* overts,unsigned int &ocount,unsigned int* indices,unsigned indexcount);
bool CleanupVertices(unsigned int svcount,
const btVector3* svertices,
unsigned int stride,
unsigned int &vcount, // output number of vertices
btVector3* vertices, // location to store the results.
btScalar normalepsilon,
btVector3& scale);
};
#endif //BT_CD_HULL_H

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/*
Copyright (c) 2011 Ole Kniemeyer, MAXON, www.maxon.net
This software is provided 'as-is', without any express or implied warranty.
In no event will the authors be held liable for any damages arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it freely,
subject to the following restrictions:
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.
2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
#ifndef BT_CONVEX_HULL_COMPUTER_H
#define BT_CONVEX_HULL_COMPUTER_H
#include "btVector3.h"
#include "btAlignedObjectArray.h"
/// Convex hull implementation based on Preparata and Hong
/// See http://code.google.com/p/bullet/issues/detail?id=275
/// Ole Kniemeyer, MAXON Computer GmbH
class btConvexHullComputer
{
private:
btScalar compute(const void* coords, bool doubleCoords, int stride, int count, btScalar shrink, btScalar shrinkClamp);
public:
class Edge
{
private:
int next;
int reverse;
int targetVertex;
friend class btConvexHullComputer;
public:
int getSourceVertex() const
{
return (this + reverse)->targetVertex;
}
int getTargetVertex() const
{
return targetVertex;
}
const Edge* getNextEdgeOfVertex() const // clockwise list of all edges of a vertex
{
return this + next;
}
const Edge* getNextEdgeOfFace() const // counter-clockwise list of all edges of a face
{
return (this + reverse)->getNextEdgeOfVertex();
}
const Edge* getReverseEdge() const
{
return this + reverse;
}
};
// Vertices of the output hull
btAlignedObjectArray<btVector3> vertices;
// Edges of the output hull
btAlignedObjectArray<Edge> edges;
// Faces of the convex hull. Each entry is an index into the "edges" array pointing to an edge of the face. Faces are planar n-gons
btAlignedObjectArray<int> faces;
/*
Compute convex hull of "count" vertices stored in "coords". "stride" is the difference in bytes
between the addresses of consecutive vertices. If "shrink" is positive, the convex hull is shrunken
by that amount (each face is moved by "shrink" length units towards the center along its normal).
If "shrinkClamp" is positive, "shrink" is clamped to not exceed "shrinkClamp * innerRadius", where "innerRadius"
is the minimum distance of a face to the center of the convex hull.
The returned value is the amount by which the hull has been shrunken. If it is negative, the amount was so large
that the resulting convex hull is empty.
The output convex hull can be found in the member variables "vertices", "edges", "faces".
*/
btScalar compute(const float* coords, int stride, int count, btScalar shrink, btScalar shrinkClamp)
{
return compute(coords, false, stride, count, shrink, shrinkClamp);
}
// same as above, but double precision
btScalar compute(const double* coords, int stride, int count, btScalar shrink, btScalar shrinkClamp)
{
return compute(coords, true, stride, count, shrink, shrinkClamp);
}
};
#endif //BT_CONVEX_HULL_COMPUTER_H

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#ifndef BT_CPU_UTILITY_H
#define BT_CPU_UTILITY_H
#include "LinearMath/btScalar.h"
#include <string.h>//memset
#ifdef USE_SIMD
#include <emmintrin.h>
#ifdef BT_ALLOW_SSE4
#include <intrin.h>
#endif //BT_ALLOW_SSE4
#endif //USE_SIMD
#if defined BT_USE_NEON
#define ARM_NEON_GCC_COMPATIBILITY 1
#include <arm_neon.h>
#include <sys/types.h>
#include <sys/sysctl.h> //for sysctlbyname
#endif //BT_USE_NEON
///Rudimentary btCpuFeatureUtility for CPU features: only report the features that Bullet actually uses (SSE4/FMA3, NEON_HPFP)
///We assume SSE2 in case BT_USE_SSE2 is defined in LinearMath/btScalar.h
class btCpuFeatureUtility
{
public:
enum btCpuFeature
{
CPU_FEATURE_FMA3=1,
CPU_FEATURE_SSE4_1=2,
CPU_FEATURE_NEON_HPFP=4
};
static int getCpuFeatures()
{
static int capabilities = 0;
static bool testedCapabilities = false;
if (0 != testedCapabilities)
{
return capabilities;
}
#ifdef BT_USE_NEON
{
uint32_t hasFeature = 0;
size_t featureSize = sizeof(hasFeature);
int err = sysctlbyname("hw.optional.neon_hpfp", &hasFeature, &featureSize, NULL, 0);
if (0 == err && hasFeature)
capabilities |= CPU_FEATURE_NEON_HPFP;
}
#endif //BT_USE_NEON
#ifdef BT_ALLOW_SSE4
{
int cpuInfo[4];
memset(cpuInfo, 0, sizeof(cpuInfo));
unsigned long long sseExt = 0;
__cpuid(cpuInfo, 1);
bool osUsesXSAVE_XRSTORE = cpuInfo[2] & (1 << 27) || false;
bool cpuAVXSuport = cpuInfo[2] & (1 << 28) || false;
if (osUsesXSAVE_XRSTORE && cpuAVXSuport)
{
sseExt = _xgetbv(0);
}
const int OSXSAVEFlag = (1UL << 27);
const int AVXFlag = ((1UL << 28) | OSXSAVEFlag);
const int FMAFlag = ((1UL << 12) | AVXFlag | OSXSAVEFlag);
if ((cpuInfo[2] & FMAFlag) == FMAFlag && (sseExt & 6) == 6)
{
capabilities |= btCpuFeatureUtility::CPU_FEATURE_FMA3;
}
const int SSE41Flag = (1 << 19);
if (cpuInfo[2] & SSE41Flag)
{
capabilities |= btCpuFeatureUtility::CPU_FEATURE_SSE4_1;
}
}
#endif//BT_ALLOW_SSE4
testedCapabilities = true;
return capabilities;
}
};
#endif //BT_CPU_UTILITY_H

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#ifndef BT_DEFAULT_MOTION_STATE_H
#define BT_DEFAULT_MOTION_STATE_H
#include "btMotionState.h"
///The btDefaultMotionState provides a common implementation to synchronize world transforms with offsets.
ATTRIBUTE_ALIGNED16(struct) btDefaultMotionState : public btMotionState
{
btTransform m_graphicsWorldTrans;
btTransform m_centerOfMassOffset;
btTransform m_startWorldTrans;
void* m_userPointer;
BT_DECLARE_ALIGNED_ALLOCATOR();
btDefaultMotionState(const btTransform& startTrans = btTransform::getIdentity(),const btTransform& centerOfMassOffset = btTransform::getIdentity())
: m_graphicsWorldTrans(startTrans),
m_centerOfMassOffset(centerOfMassOffset),
m_startWorldTrans(startTrans),
m_userPointer(0)
{
}
///synchronizes world transform from user to physics
virtual void getWorldTransform(btTransform& centerOfMassWorldTrans ) const
{
centerOfMassWorldTrans = m_graphicsWorldTrans * m_centerOfMassOffset.inverse() ;
}
///synchronizes world transform from physics to user
///Bullet only calls the update of worldtransform for active objects
virtual void setWorldTransform(const btTransform& centerOfMassWorldTrans)
{
m_graphicsWorldTrans = centerOfMassWorldTrans * m_centerOfMassOffset;
}
};
#endif //BT_DEFAULT_MOTION_STATE_H

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/*
Copyright (c) 2003-2006 Gino van den Bergen / Erwin Coumans http://continuousphysics.com/Bullet/
This software is provided 'as-is', without any express or implied warranty.
In no event will the authors be held liable for any damages arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it freely,
subject to the following restrictions:
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.
2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
#include "btGeometryUtil.h"
/*
Make sure this dummy function never changes so that it
can be used by probes that are checking whether the
library is actually installed.
*/
extern "C"
{
void btBulletMathProbe ();
void btBulletMathProbe () {}
}
bool btGeometryUtil::isPointInsidePlanes(const btAlignedObjectArray<btVector3>& planeEquations, const btVector3& point, btScalar margin)
{
int numbrushes = planeEquations.size();
for (int i=0;i<numbrushes;i++)
{
const btVector3& N1 = planeEquations[i];
btScalar dist = btScalar(N1.dot(point))+btScalar(N1[3])-margin;
if (dist>btScalar(0.))
{
return false;
}
}
return true;
}
bool btGeometryUtil::areVerticesBehindPlane(const btVector3& planeNormal, const btAlignedObjectArray<btVector3>& vertices, btScalar margin)
{
int numvertices = vertices.size();
for (int i=0;i<numvertices;i++)
{
const btVector3& N1 = vertices[i];
btScalar dist = btScalar(planeNormal.dot(N1))+btScalar(planeNormal[3])-margin;
if (dist>btScalar(0.))
{
return false;
}
}
return true;
}
bool notExist(const btVector3& planeEquation,const btAlignedObjectArray<btVector3>& planeEquations);
bool notExist(const btVector3& planeEquation,const btAlignedObjectArray<btVector3>& planeEquations)
{
int numbrushes = planeEquations.size();
for (int i=0;i<numbrushes;i++)
{
const btVector3& N1 = planeEquations[i];
if (planeEquation.dot(N1) > btScalar(0.999))
{
return false;
}
}
return true;
}
void btGeometryUtil::getPlaneEquationsFromVertices(btAlignedObjectArray<btVector3>& vertices, btAlignedObjectArray<btVector3>& planeEquationsOut )
{
const int numvertices = vertices.size();
// brute force:
for (int i=0;i<numvertices;i++)
{
const btVector3& N1 = vertices[i];
for (int j=i+1;j<numvertices;j++)
{
const btVector3& N2 = vertices[j];
for (int k=j+1;k<numvertices;k++)
{
const btVector3& N3 = vertices[k];
btVector3 planeEquation,edge0,edge1;
edge0 = N2-N1;
edge1 = N3-N1;
btScalar normalSign = btScalar(1.);
for (int ww=0;ww<2;ww++)
{
planeEquation = normalSign * edge0.cross(edge1);
if (planeEquation.length2() > btScalar(0.0001))
{
planeEquation.normalize();
if (notExist(planeEquation,planeEquationsOut))
{
planeEquation[3] = -planeEquation.dot(N1);
//check if inside, and replace supportingVertexOut if needed
if (areVerticesBehindPlane(planeEquation,vertices,btScalar(0.01)))
{
planeEquationsOut.push_back(planeEquation);
}
}
}
normalSign = btScalar(-1.);
}
}
}
}
}
void btGeometryUtil::getVerticesFromPlaneEquations(const btAlignedObjectArray<btVector3>& planeEquations , btAlignedObjectArray<btVector3>& verticesOut )
{
const int numbrushes = planeEquations.size();
// brute force:
for (int i=0;i<numbrushes;i++)
{
const btVector3& N1 = planeEquations[i];
for (int j=i+1;j<numbrushes;j++)
{
const btVector3& N2 = planeEquations[j];
for (int k=j+1;k<numbrushes;k++)
{
const btVector3& N3 = planeEquations[k];
btVector3 n2n3; n2n3 = N2.cross(N3);
btVector3 n3n1; n3n1 = N3.cross(N1);
btVector3 n1n2; n1n2 = N1.cross(N2);
if ( ( n2n3.length2() > btScalar(0.0001) ) &&
( n3n1.length2() > btScalar(0.0001) ) &&
( n1n2.length2() > btScalar(0.0001) ) )
{
//point P out of 3 plane equations:
// d1 ( N2 * N3 ) + d2 ( N3 * N1 ) + d3 ( N1 * N2 )
//P = -------------------------------------------------------------------------
// N1 . ( N2 * N3 )
btScalar quotient = (N1.dot(n2n3));
if (btFabs(quotient) > btScalar(0.000001))
{
quotient = btScalar(-1.) / quotient;
n2n3 *= N1[3];
n3n1 *= N2[3];
n1n2 *= N3[3];
btVector3 potentialVertex = n2n3;
potentialVertex += n3n1;
potentialVertex += n1n2;
potentialVertex *= quotient;
//check if inside, and replace supportingVertexOut if needed
if (isPointInsidePlanes(planeEquations,potentialVertex,btScalar(0.01)))
{
verticesOut.push_back(potentialVertex);
}
}
}
}
}
}
}

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/*
Copyright (c) 2003-2006 Gino van den Bergen / Erwin Coumans http://continuousphysics.com/Bullet/
This software is provided 'as-is', without any express or implied warranty.
In no event will the authors be held liable for any damages arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it freely,
subject to the following restrictions:
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.
2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
#ifndef BT_GEOMETRY_UTIL_H
#define BT_GEOMETRY_UTIL_H
#include "btVector3.h"
#include "btAlignedObjectArray.h"
///The btGeometryUtil helper class provides a few methods to convert between plane equations and vertices.
class btGeometryUtil
{
public:
static void getPlaneEquationsFromVertices(btAlignedObjectArray<btVector3>& vertices, btAlignedObjectArray<btVector3>& planeEquationsOut );
static void getVerticesFromPlaneEquations(const btAlignedObjectArray<btVector3>& planeEquations , btAlignedObjectArray<btVector3>& verticesOut );
static bool isInside(const btAlignedObjectArray<btVector3>& vertices, const btVector3& planeNormal, btScalar margin);
static bool isPointInsidePlanes(const btAlignedObjectArray<btVector3>& planeEquations, const btVector3& point, btScalar margin);
static bool areVerticesBehindPlane(const btVector3& planeNormal, const btAlignedObjectArray<btVector3>& vertices, btScalar margin);
};
#endif //BT_GEOMETRY_UTIL_H

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/*
Bullet Continuous Collision Detection and Physics Library
Copyright (c) 2011 Advanced Micro Devices, Inc. http://bulletphysics.org
This software is provided 'as-is', without any express or implied warranty.
In no event will the authors be held liable for any damages arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it freely,
subject to the following restrictions:
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.
2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
#ifndef GRAHAM_SCAN_2D_CONVEX_HULL_H
#define GRAHAM_SCAN_2D_CONVEX_HULL_H
#include "btVector3.h"
#include "btAlignedObjectArray.h"
struct GrahamVector3 : public btVector3
{
GrahamVector3(const btVector3& org, int orgIndex)
:btVector3(org),
m_orgIndex(orgIndex)
{
}
btScalar m_angle;
int m_orgIndex;
};
struct btAngleCompareFunc {
btVector3 m_anchor;
btAngleCompareFunc(const btVector3& anchor)
: m_anchor(anchor)
{
}
bool operator()(const GrahamVector3& a, const GrahamVector3& b) const {
if (a.m_angle != b.m_angle)
return a.m_angle < b.m_angle;
else
{
btScalar al = (a-m_anchor).length2();
btScalar bl = (b-m_anchor).length2();
if (al != bl)
return al < bl;
else
{
return a.m_orgIndex < b.m_orgIndex;
}
}
}
};
inline void GrahamScanConvexHull2D(btAlignedObjectArray<GrahamVector3>& originalPoints, btAlignedObjectArray<GrahamVector3>& hull, const btVector3& normalAxis)
{
btVector3 axis0,axis1;
btPlaneSpace1(normalAxis,axis0,axis1);
if (originalPoints.size()<=1)
{
for (int i=0;i<originalPoints.size();i++)
hull.push_back(originalPoints[0]);
return;
}
//step1 : find anchor point with smallest projection on axis0 and move it to first location
for (int i=0;i<originalPoints.size();i++)
{
// const btVector3& left = originalPoints[i];
// const btVector3& right = originalPoints[0];
btScalar projL = originalPoints[i].dot(axis0);
btScalar projR = originalPoints[0].dot(axis0);
if (projL < projR)
{
originalPoints.swap(0,i);
}
}
//also precompute angles
originalPoints[0].m_angle = -1e30f;
for (int i=1;i<originalPoints.size();i++)
{
btVector3 ar = originalPoints[i]-originalPoints[0];
btScalar ar1 = axis1.dot(ar);
btScalar ar0 = axis0.dot(ar);
if( ar1*ar1+ar0*ar0 < FLT_EPSILON )
{
originalPoints[i].m_angle = 0.0f;
}
else
{
originalPoints[i].m_angle = btAtan2Fast(ar1, ar0);
}
}
//step 2: sort all points, based on 'angle' with this anchor
btAngleCompareFunc comp(originalPoints[0]);
originalPoints.quickSortInternal(comp,1,originalPoints.size()-1);
int i;
for (i = 0; i<2; i++)
hull.push_back(originalPoints[i]);
//step 3: keep all 'convex' points and discard concave points (using back tracking)
for (; i != originalPoints.size(); i++)
{
bool isConvex = false;
while (!isConvex&& hull.size()>1) {
btVector3& a = hull[hull.size()-2];
btVector3& b = hull[hull.size()-1];
isConvex = btCross(a-b,a-originalPoints[i]).dot(normalAxis)> 0;
if (!isConvex)
hull.pop_back();
else
hull.push_back(originalPoints[i]);
}
if( hull.size() == 1 )
{
hull.push_back( originalPoints[i] );
}
}
}
#endif //GRAHAM_SCAN_2D_CONVEX_HULL_H

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/*
Bullet Continuous Collision Detection and Physics Library
Copyright (c) 2003-2009 Erwin Coumans http://bulletphysics.org
This software is provided 'as-is', without any express or implied warranty.
In no event will the authors be held liable for any damages arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it freely,
subject to the following restrictions:
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.
2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
#ifndef BT_HASH_MAP_H
#define BT_HASH_MAP_H
#include "btAlignedObjectArray.h"
///very basic hashable string implementation, compatible with btHashMap
struct btHashString
{
const char* m_string;
unsigned int m_hash;
SIMD_FORCE_INLINE unsigned int getHash()const
{
return m_hash;
}
btHashString(const char* name)
:m_string(name)
{
/* magic numbers from http://www.isthe.com/chongo/tech/comp/fnv/ */
static const unsigned int InitialFNV = 2166136261u;
static const unsigned int FNVMultiple = 16777619u;
/* Fowler / Noll / Vo (FNV) Hash */
unsigned int hash = InitialFNV;
for(int i = 0; m_string[i]; i++)
{
hash = hash ^ (m_string[i]); /* xor the low 8 bits */
hash = hash * FNVMultiple; /* multiply by the magic number */
}
m_hash = hash;
}
int portableStringCompare(const char* src, const char* dst) const
{
int ret = 0 ;
while( ! (ret = *(const unsigned char *)src - *(const unsigned char *)dst) && *dst)
++src, ++dst;
if ( ret < 0 )
ret = -1 ;
else if ( ret > 0 )
ret = 1 ;
return( ret );
}
bool equals(const btHashString& other) const
{
return (m_string == other.m_string) ||
(0==portableStringCompare(m_string,other.m_string));
}
};
const int BT_HASH_NULL=0xffffffff;
class btHashInt
{
int m_uid;
public:
btHashInt()
{
}
btHashInt(int uid) :m_uid(uid)
{
}
int getUid1() const
{
return m_uid;
}
void setUid1(int uid)
{
m_uid = uid;
}
bool equals(const btHashInt& other) const
{
return getUid1() == other.getUid1();
}
//to our success
SIMD_FORCE_INLINE unsigned int getHash()const
{
unsigned int key = m_uid;
// Thomas Wang's hash
key += ~(key << 15); key ^= (key >> 10); key += (key << 3); key ^= (key >> 6); key += ~(key << 11); key ^= (key >> 16);
return key;
}
};
class btHashPtr
{
union
{
const void* m_pointer;
unsigned int m_hashValues[2];
};
public:
btHashPtr(const void* ptr)
:m_pointer(ptr)
{
}
const void* getPointer() const
{
return m_pointer;
}
bool equals(const btHashPtr& other) const
{
return getPointer() == other.getPointer();
}
//to our success
SIMD_FORCE_INLINE unsigned int getHash()const
{
const bool VOID_IS_8 = ((sizeof(void*)==8));
unsigned int key = VOID_IS_8? m_hashValues[0]+m_hashValues[1] : m_hashValues[0];
// Thomas Wang's hash
key += ~(key << 15); key ^= (key >> 10); key += (key << 3); key ^= (key >> 6); key += ~(key << 11); key ^= (key >> 16);
return key;
}
};
template <class Value>
class btHashKeyPtr
{
int m_uid;
public:
btHashKeyPtr(int uid) :m_uid(uid)
{
}
int getUid1() const
{
return m_uid;
}
bool equals(const btHashKeyPtr<Value>& other) const
{
return getUid1() == other.getUid1();
}
//to our success
SIMD_FORCE_INLINE unsigned int getHash()const
{
unsigned int key = m_uid;
// Thomas Wang's hash
key += ~(key << 15); key ^= (key >> 10); key += (key << 3); key ^= (key >> 6); key += ~(key << 11); key ^= (key >> 16);
return key;
}
};
template <class Value>
class btHashKey
{
int m_uid;
public:
btHashKey(int uid) :m_uid(uid)
{
}
int getUid1() const
{
return m_uid;
}
bool equals(const btHashKey<Value>& other) const
{
return getUid1() == other.getUid1();
}
//to our success
SIMD_FORCE_INLINE unsigned int getHash()const
{
unsigned int key = m_uid;
// Thomas Wang's hash
key += ~(key << 15); key ^= (key >> 10); key += (key << 3); key ^= (key >> 6); key += ~(key << 11); key ^= (key >> 16);
return key;
}
};
///The btHashMap template class implements a generic and lightweight hashmap.
///A basic sample of how to use btHashMap is located in Demos\BasicDemo\main.cpp
template <class Key, class Value>
class btHashMap
{
protected:
btAlignedObjectArray<int> m_hashTable;
btAlignedObjectArray<int> m_next;
btAlignedObjectArray<Value> m_valueArray;
btAlignedObjectArray<Key> m_keyArray;
void growTables(const Key& /*key*/)
{
int newCapacity = m_valueArray.capacity();
if (m_hashTable.size() < newCapacity)
{
//grow hashtable and next table
int curHashtableSize = m_hashTable.size();
m_hashTable.resize(newCapacity);
m_next.resize(newCapacity);
int i;
for (i= 0; i < newCapacity; ++i)
{
m_hashTable[i] = BT_HASH_NULL;
}
for (i = 0; i < newCapacity; ++i)
{
m_next[i] = BT_HASH_NULL;
}
for(i=0;i<curHashtableSize;i++)
{
//const Value& value = m_valueArray[i];
//const Key& key = m_keyArray[i];
int hashValue = m_keyArray[i].getHash() & (m_valueArray.capacity()-1); // New hash value with new mask
m_next[i] = m_hashTable[hashValue];
m_hashTable[hashValue] = i;
}
}
}
public:
void insert(const Key& key, const Value& value) {
int hash = key.getHash() & (m_valueArray.capacity()-1);
//replace value if the key is already there
int index = findIndex(key);
if (index != BT_HASH_NULL)
{
m_valueArray[index]=value;
return;
}
int count = m_valueArray.size();
int oldCapacity = m_valueArray.capacity();
m_valueArray.push_back(value);
m_keyArray.push_back(key);
int newCapacity = m_valueArray.capacity();
if (oldCapacity < newCapacity)
{
growTables(key);
//hash with new capacity
hash = key.getHash() & (m_valueArray.capacity()-1);
}
m_next[count] = m_hashTable[hash];
m_hashTable[hash] = count;
}
void remove(const Key& key) {
int hash = key.getHash() & (m_valueArray.capacity()-1);
int pairIndex = findIndex(key);
if (pairIndex ==BT_HASH_NULL)
{
return;
}
// Remove the pair from the hash table.
int index = m_hashTable[hash];
btAssert(index != BT_HASH_NULL);
int previous = BT_HASH_NULL;
while (index != pairIndex)
{
previous = index;
index = m_next[index];
}
if (previous != BT_HASH_NULL)
{
btAssert(m_next[previous] == pairIndex);
m_next[previous] = m_next[pairIndex];
}
else
{
m_hashTable[hash] = m_next[pairIndex];
}
// We now move the last pair into spot of the
// pair being removed. We need to fix the hash
// table indices to support the move.
int lastPairIndex = m_valueArray.size() - 1;
// If the removed pair is the last pair, we are done.
if (lastPairIndex == pairIndex)
{
m_valueArray.pop_back();
m_keyArray.pop_back();
return;
}
// Remove the last pair from the hash table.
int lastHash = m_keyArray[lastPairIndex].getHash() & (m_valueArray.capacity()-1);
index = m_hashTable[lastHash];
btAssert(index != BT_HASH_NULL);
previous = BT_HASH_NULL;
while (index != lastPairIndex)
{
previous = index;
index = m_next[index];
}
if (previous != BT_HASH_NULL)
{
btAssert(m_next[previous] == lastPairIndex);
m_next[previous] = m_next[lastPairIndex];
}
else
{
m_hashTable[lastHash] = m_next[lastPairIndex];
}
// Copy the last pair into the remove pair's spot.
m_valueArray[pairIndex] = m_valueArray[lastPairIndex];
m_keyArray[pairIndex] = m_keyArray[lastPairIndex];
// Insert the last pair into the hash table
m_next[pairIndex] = m_hashTable[lastHash];
m_hashTable[lastHash] = pairIndex;
m_valueArray.pop_back();
m_keyArray.pop_back();
}
int size() const
{
return m_valueArray.size();
}
const Value* getAtIndex(int index) const
{
btAssert(index < m_valueArray.size());
btAssert(index>=0);
if (index>=0 && index < m_valueArray.size())
{
return &m_valueArray[index];
}
return 0;
}
Value* getAtIndex(int index)
{
btAssert(index < m_valueArray.size());
btAssert(index>=0);
if (index>=0 && index < m_valueArray.size())
{
return &m_valueArray[index];
}
return 0;
}
Key getKeyAtIndex(int index)
{
btAssert(index < m_keyArray.size());
btAssert(index>=0);
return m_keyArray[index];
}
const Key getKeyAtIndex(int index) const
{
btAssert(index < m_keyArray.size());
btAssert(index>=0);
return m_keyArray[index];
}
Value* operator[](const Key& key) {
return find(key);
}
const Value* operator[](const Key& key) const {
return find(key);
}
const Value* find(const Key& key) const
{
int index = findIndex(key);
if (index == BT_HASH_NULL)
{
return NULL;
}
return &m_valueArray[index];
}
Value* find(const Key& key)
{
int index = findIndex(key);
if (index == BT_HASH_NULL)
{
return NULL;
}
return &m_valueArray[index];
}
int findIndex(const Key& key) const
{
unsigned int hash = key.getHash() & (m_valueArray.capacity()-1);
if (hash >= (unsigned int)m_hashTable.size())
{
return BT_HASH_NULL;
}
int index = m_hashTable[hash];
while ((index != BT_HASH_NULL) && key.equals(m_keyArray[index]) == false)
{
index = m_next[index];
}
return index;
}
void clear()
{
m_hashTable.clear();
m_next.clear();
m_valueArray.clear();
m_keyArray.clear();
}
};
#endif //BT_HASH_MAP_H

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/*
Bullet Continuous Collision Detection and Physics Library
Copyright (c) 2003-2009 Erwin Coumans http://bulletphysics.org
This software is provided 'as-is', without any express or implied warranty.
In no event will the authors be held liable for any damages arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it freely,
subject to the following restrictions:
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.
2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
#ifndef BT_IDEBUG_DRAW__H
#define BT_IDEBUG_DRAW__H
#include "btVector3.h"
#include "btTransform.h"
///The btIDebugDraw interface class allows hooking up a debug renderer to visually debug simulations.
///Typical use case: create a debug drawer object, and assign it to a btCollisionWorld or btDynamicsWorld using setDebugDrawer and call debugDrawWorld.
///A class that implements the btIDebugDraw interface has to implement the drawLine method at a minimum.
///For color arguments the X,Y,Z components refer to Red, Green and Blue each in the range [0..1]
class btIDebugDraw
{
public:
ATTRIBUTE_ALIGNED16(struct) DefaultColors
{
btVector3 m_activeObject;
btVector3 m_deactivatedObject;
btVector3 m_wantsDeactivationObject;
btVector3 m_disabledDeactivationObject;
btVector3 m_disabledSimulationObject;
btVector3 m_aabb;
btVector3 m_contactPoint;
DefaultColors()
: m_activeObject(1,1,1),
m_deactivatedObject(0,1,0),
m_wantsDeactivationObject(0,1,1),
m_disabledDeactivationObject(1,0,0),
m_disabledSimulationObject(1,1,0),
m_aabb(1,0,0),
m_contactPoint(1,1,0)
{
}
};
enum DebugDrawModes
{
DBG_NoDebug=0,
DBG_DrawWireframe = 1,
DBG_DrawAabb=2,
DBG_DrawFeaturesText=4,
DBG_DrawContactPoints=8,
DBG_NoDeactivation=16,
DBG_NoHelpText = 32,
DBG_DrawText=64,
DBG_ProfileTimings = 128,
DBG_EnableSatComparison = 256,
DBG_DisableBulletLCP = 512,
DBG_EnableCCD = 1024,
DBG_DrawConstraints = (1 << 11),
DBG_DrawConstraintLimits = (1 << 12),
DBG_FastWireframe = (1<<13),
DBG_DrawNormals = (1<<14),
DBG_DrawFrames = (1<<15),
DBG_MAX_DEBUG_DRAW_MODE
};
virtual ~btIDebugDraw() {};
virtual DefaultColors getDefaultColors() const { DefaultColors colors; return colors; }
///the default implementation for setDefaultColors has no effect. A derived class can implement it and store the colors.
virtual void setDefaultColors(const DefaultColors& /*colors*/) {}
virtual void drawLine(const btVector3& from,const btVector3& to,const btVector3& color)=0;
virtual void drawLine(const btVector3& from,const btVector3& to, const btVector3& fromColor, const btVector3& toColor)
{
(void) toColor;
drawLine (from, to, fromColor);
}
virtual void drawSphere(btScalar radius, const btTransform& transform, const btVector3& color)
{
btVector3 center = transform.getOrigin();
btVector3 up = transform.getBasis().getColumn(1);
btVector3 axis = transform.getBasis().getColumn(0);
btScalar minTh = -SIMD_HALF_PI;
btScalar maxTh = SIMD_HALF_PI;
btScalar minPs = -SIMD_HALF_PI;
btScalar maxPs = SIMD_HALF_PI;
btScalar stepDegrees = 30.f;
drawSpherePatch(center, up, axis, radius,minTh, maxTh, minPs, maxPs, color, stepDegrees ,false);
drawSpherePatch(center, up, -axis, radius,minTh, maxTh, minPs, maxPs, color, stepDegrees,false );
}
virtual void drawSphere (const btVector3& p, btScalar radius, const btVector3& color)
{
btTransform tr;
tr.setIdentity();
tr.setOrigin(p);
drawSphere(radius,tr,color);
}
virtual void drawTriangle(const btVector3& v0,const btVector3& v1,const btVector3& v2,const btVector3& /*n0*/,const btVector3& /*n1*/,const btVector3& /*n2*/,const btVector3& color, btScalar alpha)
{
drawTriangle(v0,v1,v2,color,alpha);
}
virtual void drawTriangle(const btVector3& v0,const btVector3& v1,const btVector3& v2,const btVector3& color, btScalar /*alpha*/)
{
drawLine(v0,v1,color);
drawLine(v1,v2,color);
drawLine(v2,v0,color);
}
virtual void drawContactPoint(const btVector3& PointOnB,const btVector3& normalOnB,btScalar distance,int lifeTime,const btVector3& color)=0;
virtual void reportErrorWarning(const char* warningString) = 0;
virtual void draw3dText(const btVector3& location,const char* textString) = 0;
virtual void setDebugMode(int debugMode) =0;
virtual int getDebugMode() const = 0;
virtual void drawAabb(const btVector3& from,const btVector3& to,const btVector3& color)
{
btVector3 halfExtents = (to-from)* 0.5f;
btVector3 center = (to+from) *0.5f;
int i,j;
btVector3 edgecoord(1.f,1.f,1.f),pa,pb;
for (i=0;i<4;i++)
{
for (j=0;j<3;j++)
{
pa = btVector3(edgecoord[0]*halfExtents[0], edgecoord[1]*halfExtents[1],
edgecoord[2]*halfExtents[2]);
pa+=center;
int othercoord = j%3;
edgecoord[othercoord]*=-1.f;
pb = btVector3(edgecoord[0]*halfExtents[0], edgecoord[1]*halfExtents[1],
edgecoord[2]*halfExtents[2]);
pb+=center;
drawLine(pa,pb,color);
}
edgecoord = btVector3(-1.f,-1.f,-1.f);
if (i<3)
edgecoord[i]*=-1.f;
}
}
virtual void drawTransform(const btTransform& transform, btScalar orthoLen)
{
btVector3 start = transform.getOrigin();
drawLine(start, start+transform.getBasis() * btVector3(orthoLen, 0, 0), btVector3(1.f,0.3,0.3));
drawLine(start, start+transform.getBasis() * btVector3(0, orthoLen, 0), btVector3(0.3,1.f, 0.3));
drawLine(start, start+transform.getBasis() * btVector3(0, 0, orthoLen), btVector3(0.3, 0.3,1.f));
}
virtual void drawArc(const btVector3& center, const btVector3& normal, const btVector3& axis, btScalar radiusA, btScalar radiusB, btScalar minAngle, btScalar maxAngle,
const btVector3& color, bool drawSect, btScalar stepDegrees = btScalar(10.f))
{
const btVector3& vx = axis;
btVector3 vy = normal.cross(axis);
btScalar step = stepDegrees * SIMD_RADS_PER_DEG;
int nSteps = (int)btFabs((maxAngle - minAngle) / step);
if(!nSteps) nSteps = 1;
btVector3 prev = center + radiusA * vx * btCos(minAngle) + radiusB * vy * btSin(minAngle);
if(drawSect)
{
drawLine(center, prev, color);
}
for(int i = 1; i <= nSteps; i++)
{
btScalar angle = minAngle + (maxAngle - minAngle) * btScalar(i) / btScalar(nSteps);
btVector3 next = center + radiusA * vx * btCos(angle) + radiusB * vy * btSin(angle);
drawLine(prev, next, color);
prev = next;
}
if(drawSect)
{
drawLine(center, prev, color);
}
}
virtual void drawSpherePatch(const btVector3& center, const btVector3& up, const btVector3& axis, btScalar radius,
btScalar minTh, btScalar maxTh, btScalar minPs, btScalar maxPs, const btVector3& color, btScalar stepDegrees = btScalar(10.f),bool drawCenter = true)
{
btVector3 vA[74];
btVector3 vB[74];
btVector3 *pvA = vA, *pvB = vB, *pT;
btVector3 npole = center + up * radius;
btVector3 spole = center - up * radius;
btVector3 arcStart;
btScalar step = stepDegrees * SIMD_RADS_PER_DEG;
const btVector3& kv = up;
const btVector3& iv = axis;
btVector3 jv = kv.cross(iv);
bool drawN = false;
bool drawS = false;
if(minTh <= -SIMD_HALF_PI)
{
minTh = -SIMD_HALF_PI + step;
drawN = true;
}
if(maxTh >= SIMD_HALF_PI)
{
maxTh = SIMD_HALF_PI - step;
drawS = true;
}
if(minTh > maxTh)
{
minTh = -SIMD_HALF_PI + step;
maxTh = SIMD_HALF_PI - step;
drawN = drawS = true;
}
int n_hor = (int)((maxTh - minTh) / step) + 1;
if(n_hor < 2) n_hor = 2;
btScalar step_h = (maxTh - minTh) / btScalar(n_hor - 1);
bool isClosed = false;
if(minPs > maxPs)
{
minPs = -SIMD_PI + step;
maxPs = SIMD_PI;
isClosed = true;
}
else if((maxPs - minPs) >= SIMD_PI * btScalar(2.f))
{
isClosed = true;
}
else
{
isClosed = false;
}
int n_vert = (int)((maxPs - minPs) / step) + 1;
if(n_vert < 2) n_vert = 2;
btScalar step_v = (maxPs - minPs) / btScalar(n_vert - 1);
for(int i = 0; i < n_hor; i++)
{
btScalar th = minTh + btScalar(i) * step_h;
btScalar sth = radius * btSin(th);
btScalar cth = radius * btCos(th);
for(int j = 0; j < n_vert; j++)
{
btScalar psi = minPs + btScalar(j) * step_v;
btScalar sps = btSin(psi);
btScalar cps = btCos(psi);
pvB[j] = center + cth * cps * iv + cth * sps * jv + sth * kv;
if(i)
{
drawLine(pvA[j], pvB[j], color);
}
else if(drawS)
{
drawLine(spole, pvB[j], color);
}
if(j)
{
drawLine(pvB[j-1], pvB[j], color);
}
else
{
arcStart = pvB[j];
}
if((i == (n_hor - 1)) && drawN)
{
drawLine(npole, pvB[j], color);
}
if (drawCenter)
{
if(isClosed)
{
if(j == (n_vert-1))
{
drawLine(arcStart, pvB[j], color);
}
}
else
{
if(((!i) || (i == (n_hor-1))) && ((!j) || (j == (n_vert-1))))
{
drawLine(center, pvB[j], color);
}
}
}
}
pT = pvA; pvA = pvB; pvB = pT;
}
}
virtual void drawBox(const btVector3& bbMin, const btVector3& bbMax, const btVector3& color)
{
drawLine(btVector3(bbMin[0], bbMin[1], bbMin[2]), btVector3(bbMax[0], bbMin[1], bbMin[2]), color);
drawLine(btVector3(bbMax[0], bbMin[1], bbMin[2]), btVector3(bbMax[0], bbMax[1], bbMin[2]), color);
drawLine(btVector3(bbMax[0], bbMax[1], bbMin[2]), btVector3(bbMin[0], bbMax[1], bbMin[2]), color);
drawLine(btVector3(bbMin[0], bbMax[1], bbMin[2]), btVector3(bbMin[0], bbMin[1], bbMin[2]), color);
drawLine(btVector3(bbMin[0], bbMin[1], bbMin[2]), btVector3(bbMin[0], bbMin[1], bbMax[2]), color);
drawLine(btVector3(bbMax[0], bbMin[1], bbMin[2]), btVector3(bbMax[0], bbMin[1], bbMax[2]), color);
drawLine(btVector3(bbMax[0], bbMax[1], bbMin[2]), btVector3(bbMax[0], bbMax[1], bbMax[2]), color);
drawLine(btVector3(bbMin[0], bbMax[1], bbMin[2]), btVector3(bbMin[0], bbMax[1], bbMax[2]), color);
drawLine(btVector3(bbMin[0], bbMin[1], bbMax[2]), btVector3(bbMax[0], bbMin[1], bbMax[2]), color);
drawLine(btVector3(bbMax[0], bbMin[1], bbMax[2]), btVector3(bbMax[0], bbMax[1], bbMax[2]), color);
drawLine(btVector3(bbMax[0], bbMax[1], bbMax[2]), btVector3(bbMin[0], bbMax[1], bbMax[2]), color);
drawLine(btVector3(bbMin[0], bbMax[1], bbMax[2]), btVector3(bbMin[0], bbMin[1], bbMax[2]), color);
}
virtual void drawBox(const btVector3& bbMin, const btVector3& bbMax, const btTransform& trans, const btVector3& color)
{
drawLine(trans * btVector3(bbMin[0], bbMin[1], bbMin[2]), trans * btVector3(bbMax[0], bbMin[1], bbMin[2]), color);
drawLine(trans * btVector3(bbMax[0], bbMin[1], bbMin[2]), trans * btVector3(bbMax[0], bbMax[1], bbMin[2]), color);
drawLine(trans * btVector3(bbMax[0], bbMax[1], bbMin[2]), trans * btVector3(bbMin[0], bbMax[1], bbMin[2]), color);
drawLine(trans * btVector3(bbMin[0], bbMax[1], bbMin[2]), trans * btVector3(bbMin[0], bbMin[1], bbMin[2]), color);
drawLine(trans * btVector3(bbMin[0], bbMin[1], bbMin[2]), trans * btVector3(bbMin[0], bbMin[1], bbMax[2]), color);
drawLine(trans * btVector3(bbMax[0], bbMin[1], bbMin[2]), trans * btVector3(bbMax[0], bbMin[1], bbMax[2]), color);
drawLine(trans * btVector3(bbMax[0], bbMax[1], bbMin[2]), trans * btVector3(bbMax[0], bbMax[1], bbMax[2]), color);
drawLine(trans * btVector3(bbMin[0], bbMax[1], bbMin[2]), trans * btVector3(bbMin[0], bbMax[1], bbMax[2]), color);
drawLine(trans * btVector3(bbMin[0], bbMin[1], bbMax[2]), trans * btVector3(bbMax[0], bbMin[1], bbMax[2]), color);
drawLine(trans * btVector3(bbMax[0], bbMin[1], bbMax[2]), trans * btVector3(bbMax[0], bbMax[1], bbMax[2]), color);
drawLine(trans * btVector3(bbMax[0], bbMax[1], bbMax[2]), trans * btVector3(bbMin[0], bbMax[1], bbMax[2]), color);
drawLine(trans * btVector3(bbMin[0], bbMax[1], bbMax[2]), trans * btVector3(bbMin[0], bbMin[1], bbMax[2]), color);
}
virtual void drawCapsule(btScalar radius, btScalar halfHeight, int upAxis, const btTransform& transform, const btVector3& color)
{
int stepDegrees = 30;
btVector3 capStart(0.f,0.f,0.f);
capStart[upAxis] = -halfHeight;
btVector3 capEnd(0.f,0.f,0.f);
capEnd[upAxis] = halfHeight;
// Draw the ends
{
btTransform childTransform = transform;
childTransform.getOrigin() = transform * capStart;
{
btVector3 center = childTransform.getOrigin();
btVector3 up = childTransform.getBasis().getColumn((upAxis+1)%3);
btVector3 axis = -childTransform.getBasis().getColumn(upAxis);
btScalar minTh = -SIMD_HALF_PI;
btScalar maxTh = SIMD_HALF_PI;
btScalar minPs = -SIMD_HALF_PI;
btScalar maxPs = SIMD_HALF_PI;
drawSpherePatch(center, up, axis, radius,minTh, maxTh, minPs, maxPs, color, btScalar(stepDegrees) ,false);
}
}
{
btTransform childTransform = transform;
childTransform.getOrigin() = transform * capEnd;
{
btVector3 center = childTransform.getOrigin();
btVector3 up = childTransform.getBasis().getColumn((upAxis+1)%3);
btVector3 axis = childTransform.getBasis().getColumn(upAxis);
btScalar minTh = -SIMD_HALF_PI;
btScalar maxTh = SIMD_HALF_PI;
btScalar minPs = -SIMD_HALF_PI;
btScalar maxPs = SIMD_HALF_PI;
drawSpherePatch(center, up, axis, radius,minTh, maxTh, minPs, maxPs, color, btScalar(stepDegrees) ,false);
}
}
// Draw some additional lines
btVector3 start = transform.getOrigin();
for (int i=0;i<360;i+=stepDegrees)
{
capEnd[(upAxis+1)%3] = capStart[(upAxis+1)%3] = btSin(btScalar(i)*SIMD_RADS_PER_DEG)*radius;
capEnd[(upAxis+2)%3] = capStart[(upAxis+2)%3] = btCos(btScalar(i)*SIMD_RADS_PER_DEG)*radius;
drawLine(start+transform.getBasis() * capStart,start+transform.getBasis() * capEnd, color);
}
}
virtual void drawCylinder(btScalar radius, btScalar halfHeight, int upAxis, const btTransform& transform, const btVector3& color)
{
btVector3 start = transform.getOrigin();
btVector3 offsetHeight(0,0,0);
offsetHeight[upAxis] = halfHeight;
int stepDegrees=30;
btVector3 capStart(0.f,0.f,0.f);
capStart[upAxis] = -halfHeight;
btVector3 capEnd(0.f,0.f,0.f);
capEnd[upAxis] = halfHeight;
for (int i=0;i<360;i+=stepDegrees)
{
capEnd[(upAxis+1)%3] = capStart[(upAxis+1)%3] = btSin(btScalar(i)*SIMD_RADS_PER_DEG)*radius;
capEnd[(upAxis+2)%3] = capStart[(upAxis+2)%3] = btCos(btScalar(i)*SIMD_RADS_PER_DEG)*radius;
drawLine(start+transform.getBasis() * capStart,start+transform.getBasis() * capEnd, color);
}
// Drawing top and bottom caps of the cylinder
btVector3 yaxis(0,0,0);
yaxis[upAxis] = btScalar(1.0);
btVector3 xaxis(0,0,0);
xaxis[(upAxis+1)%3] = btScalar(1.0);
drawArc(start-transform.getBasis()*(offsetHeight),transform.getBasis()*yaxis,transform.getBasis()*xaxis,radius,radius,0,SIMD_2_PI,color,false,btScalar(10.0));
drawArc(start+transform.getBasis()*(offsetHeight),transform.getBasis()*yaxis,transform.getBasis()*xaxis,radius,radius,0,SIMD_2_PI,color,false,btScalar(10.0));
}
virtual void drawCone(btScalar radius, btScalar height, int upAxis, const btTransform& transform, const btVector3& color)
{
int stepDegrees = 30;
btVector3 start = transform.getOrigin();
btVector3 offsetHeight(0,0,0);
btScalar halfHeight = height * btScalar(0.5);
offsetHeight[upAxis] = halfHeight;
btVector3 offsetRadius(0,0,0);
offsetRadius[(upAxis+1)%3] = radius;
btVector3 offset2Radius(0,0,0);
offset2Radius[(upAxis+2)%3] = radius;
btVector3 capEnd(0.f,0.f,0.f);
capEnd[upAxis] = -halfHeight;
for (int i=0;i<360;i+=stepDegrees)
{
capEnd[(upAxis+1)%3] = btSin(btScalar(i)*SIMD_RADS_PER_DEG)*radius;
capEnd[(upAxis+2)%3] = btCos(btScalar(i)*SIMD_RADS_PER_DEG)*radius;
drawLine(start+transform.getBasis() * (offsetHeight),start+transform.getBasis() * capEnd, color);
}
drawLine(start+transform.getBasis() * (offsetHeight),start+transform.getBasis() * (-offsetHeight+offsetRadius),color);
drawLine(start+transform.getBasis() * (offsetHeight),start+transform.getBasis() * (-offsetHeight-offsetRadius),color);
drawLine(start+transform.getBasis() * (offsetHeight),start+transform.getBasis() * (-offsetHeight+offset2Radius),color);
drawLine(start+transform.getBasis() * (offsetHeight),start+transform.getBasis() * (-offsetHeight-offset2Radius),color);
// Drawing the base of the cone
btVector3 yaxis(0,0,0);
yaxis[upAxis] = btScalar(1.0);
btVector3 xaxis(0,0,0);
xaxis[(upAxis+1)%3] = btScalar(1.0);
drawArc(start-transform.getBasis()*(offsetHeight),transform.getBasis()*yaxis,transform.getBasis()*xaxis,radius,radius,0,SIMD_2_PI,color,false,10.0);
}
virtual void drawPlane(const btVector3& planeNormal, btScalar planeConst, const btTransform& transform, const btVector3& color)
{
btVector3 planeOrigin = planeNormal * planeConst;
btVector3 vec0,vec1;
btPlaneSpace1(planeNormal,vec0,vec1);
btScalar vecLen = 100.f;
btVector3 pt0 = planeOrigin + vec0*vecLen;
btVector3 pt1 = planeOrigin - vec0*vecLen;
btVector3 pt2 = planeOrigin + vec1*vecLen;
btVector3 pt3 = planeOrigin - vec1*vecLen;
drawLine(transform*pt0,transform*pt1,color);
drawLine(transform*pt2,transform*pt3,color);
}
virtual void clearLines()
{
}
virtual void flushLines()
{
}
};
#endif //BT_IDEBUG_DRAW__H

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/*
Copyright (c) 2003-2006 Gino van den Bergen / Erwin Coumans http://continuousphysics.com/Bullet/
This software is provided 'as-is', without any express or implied warranty.
In no event will the authors be held liable for any damages arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it freely,
subject to the following restrictions:
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.
2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
#ifndef BT_GEN_LIST_H
#define BT_GEN_LIST_H
class btGEN_Link {
public:
btGEN_Link() : m_next(0), m_prev(0) {}
btGEN_Link(btGEN_Link *next, btGEN_Link *prev) : m_next(next), m_prev(prev) {}
btGEN_Link *getNext() const { return m_next; }
btGEN_Link *getPrev() const { return m_prev; }
bool isHead() const { return m_prev == 0; }
bool isTail() const { return m_next == 0; }
void insertBefore(btGEN_Link *link) {
m_next = link;
m_prev = link->m_prev;
m_next->m_prev = this;
m_prev->m_next = this;
}
void insertAfter(btGEN_Link *link) {
m_next = link->m_next;
m_prev = link;
m_next->m_prev = this;
m_prev->m_next = this;
}
void remove() {
m_next->m_prev = m_prev;
m_prev->m_next = m_next;
}
private:
btGEN_Link *m_next;
btGEN_Link *m_prev;
};
class btGEN_List {
public:
btGEN_List() : m_head(&m_tail, 0), m_tail(0, &m_head) {}
btGEN_Link *getHead() const { return m_head.getNext(); }
btGEN_Link *getTail() const { return m_tail.getPrev(); }
void addHead(btGEN_Link *link) { link->insertAfter(&m_head); }
void addTail(btGEN_Link *link) { link->insertBefore(&m_tail); }
private:
btGEN_Link m_head;
btGEN_Link m_tail;
};
#endif //BT_GEN_LIST_H

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/*
Bullet Continuous Collision Detection and Physics Library
Copyright (c) 2003-2013 Erwin Coumans http://bulletphysics.org
This software is provided 'as-is', without any express or implied warranty.
In no event will the authors be held liable for any damages arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it freely,
subject to the following restrictions:
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.
2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
///original version written by Erwin Coumans, October 2013
#ifndef BT_MATRIX_X_H
#define BT_MATRIX_X_H
#include "LinearMath/btQuickprof.h"
#include "LinearMath/btAlignedObjectArray.h"
#include <stdio.h>
//#define BT_DEBUG_OSTREAM
#ifdef BT_DEBUG_OSTREAM
#include <iostream>
#include <iomanip> // std::setw
#endif //BT_DEBUG_OSTREAM
class btIntSortPredicate
{
public:
bool operator() ( const int& a, const int& b ) const
{
return a < b;
}
};
template <typename T>
struct btVectorX
{
btAlignedObjectArray<T> m_storage;
btVectorX()
{
}
btVectorX(int numRows)
{
m_storage.resize(numRows);
}
void resize(int rows)
{
m_storage.resize(rows);
}
int cols() const
{
return 1;
}
int rows() const
{
return m_storage.size();
}
int size() const
{
return rows();
}
T nrm2() const
{
T norm = T(0);
int nn = rows();
{
if (nn == 1)
{
norm = btFabs((*this)[0]);
}
else
{
T scale = 0.0;
T ssq = 1.0;
/* The following loop is equivalent to this call to the LAPACK
auxiliary routine: CALL SLASSQ( N, X, INCX, SCALE, SSQ ) */
for (int ix=0;ix<nn;ix++)
{
if ((*this)[ix] != 0.0)
{
T absxi = btFabs((*this)[ix]);
if (scale < absxi)
{
T temp;
temp = scale / absxi;
ssq = ssq * (temp * temp) + BT_ONE;
scale = absxi;
}
else
{
T temp;
temp = absxi / scale;
ssq += temp * temp;
}
}
}
norm = scale * sqrt(ssq);
}
}
return norm;
}
void setZero()
{
if (m_storage.size())
{
// for (int i=0;i<m_storage.size();i++)
// m_storage[i]=0;
//memset(&m_storage[0],0,sizeof(T)*m_storage.size());
btSetZero(&m_storage[0],m_storage.size());
}
}
const T& operator[] (int index) const
{
return m_storage[index];
}
T& operator[] (int index)
{
return m_storage[index];
}
T* getBufferPointerWritable()
{
return m_storage.size() ? &m_storage[0] : 0;
}
const T* getBufferPointer() const
{
return m_storage.size() ? &m_storage[0] : 0;
}
};
/*
template <typename T>
void setElem(btMatrixX<T>& mat, int row, int col, T val)
{
mat.setElem(row,col,val);
}
*/
template <typename T>
struct btMatrixX
{
int m_rows;
int m_cols;
int m_operations;
int m_resizeOperations;
int m_setElemOperations;
btAlignedObjectArray<T> m_storage;
mutable btAlignedObjectArray< btAlignedObjectArray<int> > m_rowNonZeroElements1;
T* getBufferPointerWritable()
{
return m_storage.size() ? &m_storage[0] : 0;
}
const T* getBufferPointer() const
{
return m_storage.size() ? &m_storage[0] : 0;
}
btMatrixX()
:m_rows(0),
m_cols(0),
m_operations(0),
m_resizeOperations(0),
m_setElemOperations(0)
{
}
btMatrixX(int rows,int cols)
:m_rows(rows),
m_cols(cols),
m_operations(0),
m_resizeOperations(0),
m_setElemOperations(0)
{
resize(rows,cols);
}
void resize(int rows, int cols)
{
m_resizeOperations++;
m_rows = rows;
m_cols = cols;
{
BT_PROFILE("m_storage.resize");
m_storage.resize(rows*cols);
}
}
int cols() const
{
return m_cols;
}
int rows() const
{
return m_rows;
}
///we don't want this read/write operator(), because we cannot keep track of non-zero elements, use setElem instead
/*T& operator() (int row,int col)
{
return m_storage[col*m_rows+row];
}
*/
void addElem(int row,int col, T val)
{
if (val)
{
if (m_storage[col+row*m_cols]==0.f)
{
setElem(row,col,val);
} else
{
m_storage[row*m_cols+col] += val;
}
}
}
void setElem(int row,int col, T val)
{
m_setElemOperations++;
m_storage[row*m_cols+col] = val;
}
void mulElem(int row,int col, T val)
{
m_setElemOperations++;
//mul doesn't change sparsity info
m_storage[row*m_cols+col] *= val;
}
void copyLowerToUpperTriangle()
{
int count=0;
for (int row=0;row<rows();row++)
{
for (int col=0;col<row;col++)
{
setElem(col,row, (*this)(row,col));
count++;
}
}
//printf("copyLowerToUpperTriangle copied %d elements out of %dx%d=%d\n", count,rows(),cols(),cols()*rows());
}
const T& operator() (int row,int col) const
{
return m_storage[col+row*m_cols];
}
void setZero()
{
{
BT_PROFILE("storage=0");
btSetZero(&m_storage[0],m_storage.size());
//memset(&m_storage[0],0,sizeof(T)*m_storage.size());
//for (int i=0;i<m_storage.size();i++)
// m_storage[i]=0;
}
}
void setIdentity()
{
btAssert(rows() == cols());
setZero();
for (int row=0;row<rows();row++)
{
setElem(row,row,1);
}
}
void printMatrix(const char* msg)
{
printf("%s ---------------------\n",msg);
for (int i=0;i<rows();i++)
{
printf("\n");
for (int j=0;j<cols();j++)
{
printf("%2.1f\t",(*this)(i,j));
}
}
printf("\n---------------------\n");
}
void rowComputeNonZeroElements() const
{
m_rowNonZeroElements1.resize(rows());
for (int i=0;i<rows();i++)
{
m_rowNonZeroElements1[i].resize(0);
for (int j=0;j<cols();j++)
{
if ((*this)(i,j)!=0.f)
{
m_rowNonZeroElements1[i].push_back(j);
}
}
}
}
btMatrixX transpose() const
{
//transpose is optimized for sparse matrices
btMatrixX tr(m_cols,m_rows);
tr.setZero();
for (int i=0;i<m_cols;i++)
for (int j=0;j<m_rows;j++)
{
T v = (*this)(j,i);
if (v)
{
tr.setElem(i,j,v);
}
}
return tr;
}
btMatrixX operator*(const btMatrixX& other)
{
//btMatrixX*btMatrixX implementation, brute force
btAssert(cols() == other.rows());
btMatrixX res(rows(),other.cols());
res.setZero();
// BT_PROFILE("btMatrixX mul");
for (int j=0; j < res.cols(); ++j)
{
{
for (int i=0; i < res.rows(); ++i)
{
T dotProd=0;
// T dotProd2=0;
//int waste=0,waste2=0;
{
// bool useOtherCol = true;
{
for (int v=0;v<rows();v++)
{
T w = (*this)(i,v);
if (other(v,j)!=0.f)
{
dotProd+=w*other(v,j);
}
}
}
}
if (dotProd)
res.setElem(i,j,dotProd);
}
}
}
return res;
}
// this assumes the 4th and 8th rows of B and C are zero.
void multiplyAdd2_p8r (const btScalar *B, const btScalar *C, int numRows, int numRowsOther ,int row, int col)
{
const btScalar *bb = B;
for ( int i = 0;i<numRows;i++)
{
const btScalar *cc = C;
for ( int j = 0;j<numRowsOther;j++)
{
btScalar sum;
sum = bb[0]*cc[0];
sum += bb[1]*cc[1];
sum += bb[2]*cc[2];
sum += bb[4]*cc[4];
sum += bb[5]*cc[5];
sum += bb[6]*cc[6];
addElem(row+i,col+j,sum);
cc += 8;
}
bb += 8;
}
}
void multiply2_p8r (const btScalar *B, const btScalar *C, int numRows, int numRowsOther, int row, int col)
{
btAssert (numRows>0 && numRowsOther>0 && B && C);
const btScalar *bb = B;
for ( int i = 0;i<numRows;i++)
{
const btScalar *cc = C;
for ( int j = 0;j<numRowsOther;j++)
{
btScalar sum;
sum = bb[0]*cc[0];
sum += bb[1]*cc[1];
sum += bb[2]*cc[2];
sum += bb[4]*cc[4];
sum += bb[5]*cc[5];
sum += bb[6]*cc[6];
setElem(row+i,col+j,sum);
cc += 8;
}
bb += 8;
}
}
void setSubMatrix(int rowstart,int colstart,int rowend,int colend,const T value)
{
int numRows = rowend+1-rowstart;
int numCols = colend+1-colstart;
for (int row=0;row<numRows;row++)
{
for (int col=0;col<numCols;col++)
{
setElem(rowstart+row,colstart+col,value);
}
}
}
void setSubMatrix(int rowstart,int colstart,int rowend,int colend,const btMatrixX& block)
{
btAssert(rowend+1-rowstart == block.rows());
btAssert(colend+1-colstart == block.cols());
for (int row=0;row<block.rows();row++)
{
for (int col=0;col<block.cols();col++)
{
setElem(rowstart+row,colstart+col,block(row,col));
}
}
}
void setSubMatrix(int rowstart,int colstart,int rowend,int colend,const btVectorX<T>& block)
{
btAssert(rowend+1-rowstart == block.rows());
btAssert(colend+1-colstart == block.cols());
for (int row=0;row<block.rows();row++)
{
for (int col=0;col<block.cols();col++)
{
setElem(rowstart+row,colstart+col,block[row]);
}
}
}
btMatrixX negative()
{
btMatrixX neg(rows(),cols());
for (int i=0;i<rows();i++)
for (int j=0;j<cols();j++)
{
T v = (*this)(i,j);
neg.setElem(i,j,-v);
}
return neg;
}
};
typedef btMatrixX<float> btMatrixXf;
typedef btVectorX<float> btVectorXf;
typedef btMatrixX<double> btMatrixXd;
typedef btVectorX<double> btVectorXd;
#ifdef BT_DEBUG_OSTREAM
template <typename T>
std::ostream& operator<< (std::ostream& os, const btMatrixX<T>& mat)
{
os << " [";
//printf("%s ---------------------\n",msg);
for (int i=0;i<mat.rows();i++)
{
for (int j=0;j<mat.cols();j++)
{
os << std::setw(12) << mat(i,j);
}
if (i!=mat.rows()-1)
os << std::endl << " ";
}
os << " ]";
//printf("\n---------------------\n");
return os;
}
template <typename T>
std::ostream& operator<< (std::ostream& os, const btVectorX<T>& mat)
{
os << " [";
//printf("%s ---------------------\n",msg);
for (int i=0;i<mat.rows();i++)
{
os << std::setw(12) << mat[i];
if (i!=mat.rows()-1)
os << std::endl << " ";
}
os << " ]";
//printf("\n---------------------\n");
return os;
}
#endif //BT_DEBUG_OSTREAM
inline void setElem(btMatrixXd& mat, int row, int col, double val)
{
mat.setElem(row,col,val);
}
inline void setElem(btMatrixXf& mat, int row, int col, float val)
{
mat.setElem(row,col,val);
}
#ifdef BT_USE_DOUBLE_PRECISION
#define btVectorXu btVectorXd
#define btMatrixXu btMatrixXd
#else
#define btVectorXu btVectorXf
#define btMatrixXu btMatrixXf
#endif //BT_USE_DOUBLE_PRECISION
#endif//BT_MATRIX_H_H

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/*
Copyright (c) 2003-2006 Gino van den Bergen / Erwin Coumans http://continuousphysics.com/Bullet/
This software is provided 'as-is', without any express or implied warranty.
In no event will the authors be held liable for any damages arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it freely,
subject to the following restrictions:
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.
2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
#ifndef BT_GEN_MINMAX_H
#define BT_GEN_MINMAX_H
#include "btScalar.h"
template <class T>
SIMD_FORCE_INLINE const T& btMin(const T& a, const T& b)
{
return a < b ? a : b ;
}
template <class T>
SIMD_FORCE_INLINE const T& btMax(const T& a, const T& b)
{
return a > b ? a : b;
}
template <class T>
SIMD_FORCE_INLINE const T& btClamped(const T& a, const T& lb, const T& ub)
{
return a < lb ? lb : (ub < a ? ub : a);
}
template <class T>
SIMD_FORCE_INLINE void btSetMin(T& a, const T& b)
{
if (b < a)
{
a = b;
}
}
template <class T>
SIMD_FORCE_INLINE void btSetMax(T& a, const T& b)
{
if (a < b)
{
a = b;
}
}
template <class T>
SIMD_FORCE_INLINE void btClamp(T& a, const T& lb, const T& ub)
{
if (a < lb)
{
a = lb;
}
else if (ub < a)
{
a = ub;
}
}
#endif //BT_GEN_MINMAX_H

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/*
Bullet Continuous Collision Detection and Physics Library
Copyright (c) 2003-2006 Erwin Coumans http://continuousphysics.com/Bullet/
This software is provided 'as-is', without any express or implied warranty.
In no event will the authors be held liable for any damages arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it freely,
subject to the following restrictions:
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.
2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
#ifndef BT_MOTIONSTATE_H
#define BT_MOTIONSTATE_H
#include "btTransform.h"
///The btMotionState interface class allows the dynamics world to synchronize and interpolate the updated world transforms with graphics
///For optimizations, potentially only moving objects get synchronized (using setWorldPosition/setWorldOrientation)
class btMotionState
{
public:
virtual ~btMotionState()
{
}
virtual void getWorldTransform(btTransform& worldTrans ) const =0;
//Bullet only calls the update of worldtransform for active objects
virtual void setWorldTransform(const btTransform& worldTrans)=0;
};
#endif //BT_MOTIONSTATE_H

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#include "btPolarDecomposition.h"
#include "btMinMax.h"
namespace
{
btScalar abs_column_sum(const btMatrix3x3& a, int i)
{
return btFabs(a[0][i]) + btFabs(a[1][i]) + btFabs(a[2][i]);
}
btScalar abs_row_sum(const btMatrix3x3& a, int i)
{
return btFabs(a[i][0]) + btFabs(a[i][1]) + btFabs(a[i][2]);
}
btScalar p1_norm(const btMatrix3x3& a)
{
const btScalar sum0 = abs_column_sum(a,0);
const btScalar sum1 = abs_column_sum(a,1);
const btScalar sum2 = abs_column_sum(a,2);
return btMax(btMax(sum0, sum1), sum2);
}
btScalar pinf_norm(const btMatrix3x3& a)
{
const btScalar sum0 = abs_row_sum(a,0);
const btScalar sum1 = abs_row_sum(a,1);
const btScalar sum2 = abs_row_sum(a,2);
return btMax(btMax(sum0, sum1), sum2);
}
}
btPolarDecomposition::btPolarDecomposition(btScalar tolerance, unsigned int maxIterations)
: m_tolerance(tolerance)
, m_maxIterations(maxIterations)
{
}
unsigned int btPolarDecomposition::decompose(const btMatrix3x3& a, btMatrix3x3& u, btMatrix3x3& h) const
{
// Use the 'u' and 'h' matrices for intermediate calculations
u = a;
h = a.inverse();
for (unsigned int i = 0; i < m_maxIterations; ++i)
{
const btScalar h_1 = p1_norm(h);
const btScalar h_inf = pinf_norm(h);
const btScalar u_1 = p1_norm(u);
const btScalar u_inf = pinf_norm(u);
const btScalar h_norm = h_1 * h_inf;
const btScalar u_norm = u_1 * u_inf;
// The matrix is effectively singular so we cannot invert it
if (btFuzzyZero(h_norm) || btFuzzyZero(u_norm))
break;
const btScalar gamma = btPow(h_norm / u_norm, 0.25f);
const btScalar inv_gamma = btScalar(1.0) / gamma;
// Determine the delta to 'u'
const btMatrix3x3 delta = (u * (gamma - btScalar(2.0)) + h.transpose() * inv_gamma) * btScalar(0.5);
// Update the matrices
u += delta;
h = u.inverse();
// Check for convergence
if (p1_norm(delta) <= m_tolerance * u_1)
{
h = u.transpose() * a;
h = (h + h.transpose()) * 0.5;
return i;
}
}
// The algorithm has failed to converge to the specified tolerance, but we
// want to make sure that the matrices returned are in the right form.
h = u.transpose() * a;
h = (h + h.transpose()) * 0.5;
return m_maxIterations;
}
unsigned int btPolarDecomposition::maxIterations() const
{
return m_maxIterations;
}
unsigned int polarDecompose(const btMatrix3x3& a, btMatrix3x3& u, btMatrix3x3& h)
{
static btPolarDecomposition polar;
return polar.decompose(a, u, h);
}

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#ifndef POLARDECOMPOSITION_H
#define POLARDECOMPOSITION_H
#include "btMatrix3x3.h"
/**
* This class is used to compute the polar decomposition of a matrix. In
* general, the polar decomposition factorizes a matrix, A, into two parts: a
* unitary matrix (U) and a positive, semi-definite Hermitian matrix (H).
* However, in this particular implementation the original matrix, A, is
* required to be a square 3x3 matrix with real elements. This means that U will
* be an orthogonal matrix and H with be a positive-definite, symmetric matrix.
*/
class btPolarDecomposition
{
public:
/**
* Creates an instance with optional parameters.
*
* @param tolerance - the tolerance used to determine convergence of the
* algorithm
* @param maxIterations - the maximum number of iterations used to achieve
* convergence
*/
btPolarDecomposition(btScalar tolerance = btScalar(0.0001),
unsigned int maxIterations = 16);
/**
* Decomposes a matrix into orthogonal and symmetric, positive-definite
* parts. If the number of iterations returned by this function is equal to
* the maximum number of iterations, the algorithm has failed to converge.
*
* @param a - the original matrix
* @param u - the resulting orthogonal matrix
* @param h - the resulting symmetric matrix
*
* @return the number of iterations performed by the algorithm.
*/
unsigned int decompose(const btMatrix3x3& a, btMatrix3x3& u, btMatrix3x3& h) const;
/**
* Returns the maximum number of iterations that this algorithm will perform
* to achieve convergence.
*
* @return maximum number of iterations
*/
unsigned int maxIterations() const;
private:
btScalar m_tolerance;
unsigned int m_maxIterations;
};
/**
* This functions decomposes the matrix 'a' into two parts: an orthogonal matrix
* 'u' and a symmetric, positive-definite matrix 'h'. If the number of
* iterations returned by this function is equal to
* btPolarDecomposition::DEFAULT_MAX_ITERATIONS, the algorithm has failed to
* converge.
*
* @param a - the original matrix
* @param u - the resulting orthogonal matrix
* @param h - the resulting symmetric matrix
*
* @return the number of iterations performed by the algorithm.
*/
unsigned int polarDecompose(const btMatrix3x3& a, btMatrix3x3& u, btMatrix3x3& h);
#endif // POLARDECOMPOSITION_H

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/*
Copyright (c) 2003-2006 Gino van den Bergen / Erwin Coumans http://continuousphysics.com/Bullet/
This software is provided 'as-is', without any express or implied warranty.
In no event will the authors be held liable for any damages arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it freely,
subject to the following restrictions:
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.
2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
#ifndef _BT_POOL_ALLOCATOR_H
#define _BT_POOL_ALLOCATOR_H
#include "btScalar.h"
#include "btAlignedAllocator.h"
#include "btThreads.h"
///The btPoolAllocator class allows to efficiently allocate a large pool of objects, instead of dynamically allocating them separately.
class btPoolAllocator
{
int m_elemSize;
int m_maxElements;
int m_freeCount;
void* m_firstFree;
unsigned char* m_pool;
btSpinMutex m_mutex; // only used if BT_THREADSAFE
public:
btPoolAllocator(int elemSize, int maxElements)
:m_elemSize(elemSize),
m_maxElements(maxElements)
{
m_pool = (unsigned char*) btAlignedAlloc( static_cast<unsigned int>(m_elemSize*m_maxElements),16);
unsigned char* p = m_pool;
m_firstFree = p;
m_freeCount = m_maxElements;
int count = m_maxElements;
while (--count) {
*(void**)p = (p + m_elemSize);
p += m_elemSize;
}
*(void**)p = 0;
}
~btPoolAllocator()
{
btAlignedFree( m_pool);
}
int getFreeCount() const
{
return m_freeCount;
}
int getUsedCount() const
{
return m_maxElements - m_freeCount;
}
int getMaxCount() const
{
return m_maxElements;
}
void* allocate(int size)
{
// release mode fix
(void)size;
btMutexLock(&m_mutex);
btAssert(!size || size<=m_elemSize);
//btAssert(m_freeCount>0); // should return null if all full
void* result = m_firstFree;
if (NULL != m_firstFree)
{
m_firstFree = *(void**)m_firstFree;
--m_freeCount;
}
btMutexUnlock(&m_mutex);
return result;
}
bool validPtr(void* ptr)
{
if (ptr) {
if (((unsigned char*)ptr >= m_pool && (unsigned char*)ptr < m_pool + m_maxElements * m_elemSize))
{
return true;
}
}
return false;
}
void freeMemory(void* ptr)
{
if (ptr) {
btAssert((unsigned char*)ptr >= m_pool && (unsigned char*)ptr < m_pool + m_maxElements * m_elemSize);
btMutexLock(&m_mutex);
*(void**)ptr = m_firstFree;
m_firstFree = ptr;
++m_freeCount;
btMutexUnlock(&m_mutex);
}
}
int getElementSize() const
{
return m_elemSize;
}
unsigned char* getPoolAddress()
{
return m_pool;
}
const unsigned char* getPoolAddress() const
{
return m_pool;
}
};
#endif //_BT_POOL_ALLOCATOR_H

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/*
Copyright (c) 2003-2006 Gino van den Bergen / Erwin Coumans http://continuousphysics.com/Bullet/
This software is provided 'as-is', without any express or implied warranty.
In no event will the authors be held liable for any damages arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it freely,
subject to the following restrictions:
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.
2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
#ifndef BT_SIMD_QUADWORD_H
#define BT_SIMD_QUADWORD_H
#include "btScalar.h"
#include "btMinMax.h"
#if defined (__CELLOS_LV2) && defined (__SPU__)
#include <altivec.h>
#endif
/**@brief The btQuadWord class is base class for btVector3 and btQuaternion.
* Some issues under PS3 Linux with IBM 2.1 SDK, gcc compiler prevent from using aligned quadword.
*/
#ifndef USE_LIBSPE2
ATTRIBUTE_ALIGNED16(class) btQuadWord
#else
class btQuadWord
#endif
{
protected:
#if defined (__SPU__) && defined (__CELLOS_LV2__)
union {
vec_float4 mVec128;
btScalar m_floats[4];
};
public:
vec_float4 get128() const
{
return mVec128;
}
protected:
#else //__CELLOS_LV2__ __SPU__
#if defined(BT_USE_SSE) || defined(BT_USE_NEON)
union {
btSimdFloat4 mVec128;
btScalar m_floats[4];
};
public:
SIMD_FORCE_INLINE btSimdFloat4 get128() const
{
return mVec128;
}
SIMD_FORCE_INLINE void set128(btSimdFloat4 v128)
{
mVec128 = v128;
}
#else
btScalar m_floats[4];
#endif // BT_USE_SSE
#endif //__CELLOS_LV2__ __SPU__
public:
#if (defined(BT_USE_SSE_IN_API) && defined(BT_USE_SSE)) || defined(BT_USE_NEON)
// Set Vector
SIMD_FORCE_INLINE btQuadWord(const btSimdFloat4 vec)
{
mVec128 = vec;
}
// Copy constructor
SIMD_FORCE_INLINE btQuadWord(const btQuadWord& rhs)
{
mVec128 = rhs.mVec128;
}
// Assignment Operator
SIMD_FORCE_INLINE btQuadWord&
operator=(const btQuadWord& v)
{
mVec128 = v.mVec128;
return *this;
}
#endif
/**@brief Return the x value */
SIMD_FORCE_INLINE const btScalar& getX() const { return m_floats[0]; }
/**@brief Return the y value */
SIMD_FORCE_INLINE const btScalar& getY() const { return m_floats[1]; }
/**@brief Return the z value */
SIMD_FORCE_INLINE const btScalar& getZ() const { return m_floats[2]; }
/**@brief Set the x value */
SIMD_FORCE_INLINE void setX(btScalar _x) { m_floats[0] = _x;};
/**@brief Set the y value */
SIMD_FORCE_INLINE void setY(btScalar _y) { m_floats[1] = _y;};
/**@brief Set the z value */
SIMD_FORCE_INLINE void setZ(btScalar _z) { m_floats[2] = _z;};
/**@brief Set the w value */
SIMD_FORCE_INLINE void setW(btScalar _w) { m_floats[3] = _w;};
/**@brief Return the x value */
SIMD_FORCE_INLINE const btScalar& x() const { return m_floats[0]; }
/**@brief Return the y value */
SIMD_FORCE_INLINE const btScalar& y() const { return m_floats[1]; }
/**@brief Return the z value */
SIMD_FORCE_INLINE const btScalar& z() const { return m_floats[2]; }
/**@brief Return the w value */
SIMD_FORCE_INLINE const btScalar& w() const { return m_floats[3]; }
//SIMD_FORCE_INLINE btScalar& operator[](int i) { return (&m_floats[0])[i]; }
//SIMD_FORCE_INLINE const btScalar& operator[](int i) const { return (&m_floats[0])[i]; }
///operator btScalar*() replaces operator[], using implicit conversion. We added operator != and operator == to avoid pointer comparisons.
SIMD_FORCE_INLINE operator btScalar *() { return &m_floats[0]; }
SIMD_FORCE_INLINE operator const btScalar *() const { return &m_floats[0]; }
SIMD_FORCE_INLINE bool operator==(const btQuadWord& other) const
{
#ifdef BT_USE_SSE
return (0xf == _mm_movemask_ps((__m128)_mm_cmpeq_ps(mVec128, other.mVec128)));
#else
return ((m_floats[3]==other.m_floats[3]) &&
(m_floats[2]==other.m_floats[2]) &&
(m_floats[1]==other.m_floats[1]) &&
(m_floats[0]==other.m_floats[0]));
#endif
}
SIMD_FORCE_INLINE bool operator!=(const btQuadWord& other) const
{
return !(*this == other);
}
/**@brief Set x,y,z and zero w
* @param x Value of x
* @param y Value of y
* @param z Value of z
*/
SIMD_FORCE_INLINE void setValue(const btScalar& _x, const btScalar& _y, const btScalar& _z)
{
m_floats[0]=_x;
m_floats[1]=_y;
m_floats[2]=_z;
m_floats[3] = 0.f;
}
/* void getValue(btScalar *m) const
{
m[0] = m_floats[0];
m[1] = m_floats[1];
m[2] = m_floats[2];
}
*/
/**@brief Set the values
* @param x Value of x
* @param y Value of y
* @param z Value of z
* @param w Value of w
*/
SIMD_FORCE_INLINE void setValue(const btScalar& _x, const btScalar& _y, const btScalar& _z,const btScalar& _w)
{
m_floats[0]=_x;
m_floats[1]=_y;
m_floats[2]=_z;
m_floats[3]=_w;
}
/**@brief No initialization constructor */
SIMD_FORCE_INLINE btQuadWord()
// :m_floats[0](btScalar(0.)),m_floats[1](btScalar(0.)),m_floats[2](btScalar(0.)),m_floats[3](btScalar(0.))
{
}
/**@brief Three argument constructor (zeros w)
* @param x Value of x
* @param y Value of y
* @param z Value of z
*/
SIMD_FORCE_INLINE btQuadWord(const btScalar& _x, const btScalar& _y, const btScalar& _z)
{
m_floats[0] = _x, m_floats[1] = _y, m_floats[2] = _z, m_floats[3] = 0.0f;
}
/**@brief Initializing constructor
* @param x Value of x
* @param y Value of y
* @param z Value of z
* @param w Value of w
*/
SIMD_FORCE_INLINE btQuadWord(const btScalar& _x, const btScalar& _y, const btScalar& _z,const btScalar& _w)
{
m_floats[0] = _x, m_floats[1] = _y, m_floats[2] = _z, m_floats[3] = _w;
}
/**@brief Set each element to the max of the current values and the values of another btQuadWord
* @param other The other btQuadWord to compare with
*/
SIMD_FORCE_INLINE void setMax(const btQuadWord& other)
{
#ifdef BT_USE_SSE
mVec128 = _mm_max_ps(mVec128, other.mVec128);
#elif defined(BT_USE_NEON)
mVec128 = vmaxq_f32(mVec128, other.mVec128);
#else
btSetMax(m_floats[0], other.m_floats[0]);
btSetMax(m_floats[1], other.m_floats[1]);
btSetMax(m_floats[2], other.m_floats[2]);
btSetMax(m_floats[3], other.m_floats[3]);
#endif
}
/**@brief Set each element to the min of the current values and the values of another btQuadWord
* @param other The other btQuadWord to compare with
*/
SIMD_FORCE_INLINE void setMin(const btQuadWord& other)
{
#ifdef BT_USE_SSE
mVec128 = _mm_min_ps(mVec128, other.mVec128);
#elif defined(BT_USE_NEON)
mVec128 = vminq_f32(mVec128, other.mVec128);
#else
btSetMin(m_floats[0], other.m_floats[0]);
btSetMin(m_floats[1], other.m_floats[1]);
btSetMin(m_floats[2], other.m_floats[2]);
btSetMin(m_floats[3], other.m_floats[3]);
#endif
}
};
#endif //BT_SIMD_QUADWORD_H

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/*
***************************************************************************************************
**
** profile.cpp
**
** Real-Time Hierarchical Profiling for Game Programming Gems 3
**
** by Greg Hjelstrom & Byon Garrabrant
**
***************************************************************************************************/
// Credits: The Clock class was inspired by the Timer classes in
// Ogre (www.ogre3d.org).
#include "btQuickprof.h"
#include "btThreads.h"
#ifdef __CELLOS_LV2__
#include <sys/sys_time.h>
#include <sys/time_util.h>
#include <stdio.h>
#endif
#if defined (SUNOS) || defined (__SUNOS__)
#include <stdio.h>
#endif
#ifdef __APPLE__
#include <mach/mach_time.h>
#include <TargetConditionals.h>
#endif
#if defined(WIN32) || defined(_WIN32)
#define BT_USE_WINDOWS_TIMERS
#define WIN32_LEAN_AND_MEAN
#define NOWINRES
#define NOMCX
#define NOIME
#ifdef _XBOX
#include <Xtl.h>
#else //_XBOX
#include <windows.h>
#if WINVER <0x0602
#define GetTickCount64 GetTickCount
#endif
#endif //_XBOX
#include <time.h>
#else //_WIN32
#include <sys/time.h>
#ifdef BT_LINUX_REALTIME
//required linking against rt (librt)
#include <time.h>
#endif //BT_LINUX_REALTIME
#endif //_WIN32
#define mymin(a,b) (a > b ? a : b)
struct btClockData
{
#ifdef BT_USE_WINDOWS_TIMERS
LARGE_INTEGER mClockFrequency;
LONGLONG mStartTick;
LARGE_INTEGER mStartTime;
#else
#ifdef __CELLOS_LV2__
uint64_t mStartTime;
#else
#ifdef __APPLE__
uint64_t mStartTimeNano;
#endif
struct timeval mStartTime;
#endif
#endif //__CELLOS_LV2__
};
///The btClock is a portable basic clock that measures accurate time in seconds, use for profiling.
btClock::btClock()
{
m_data = new btClockData;
#ifdef BT_USE_WINDOWS_TIMERS
QueryPerformanceFrequency(&m_data->mClockFrequency);
#endif
reset();
}
btClock::~btClock()
{
delete m_data;
}
btClock::btClock(const btClock& other)
{
m_data = new btClockData;
*m_data = *other.m_data;
}
btClock& btClock::operator=(const btClock& other)
{
*m_data = *other.m_data;
return *this;
}
/// Resets the initial reference time.
void btClock::reset()
{
#ifdef BT_USE_WINDOWS_TIMERS
QueryPerformanceCounter(&m_data->mStartTime);
m_data->mStartTick = GetTickCount64();
#else
#ifdef __CELLOS_LV2__
typedef uint64_t ClockSize;
ClockSize newTime;
//__asm __volatile__( "mftb %0" : "=r" (newTime) : : "memory");
SYS_TIMEBASE_GET( newTime );
m_data->mStartTime = newTime;
#else
#ifdef __APPLE__
m_data->mStartTimeNano = mach_absolute_time();
#endif
gettimeofday(&m_data->mStartTime, 0);
#endif
#endif
}
/// Returns the time in ms since the last call to reset or since
/// the btClock was created.
unsigned long long int btClock::getTimeMilliseconds()
{
#ifdef BT_USE_WINDOWS_TIMERS
LARGE_INTEGER currentTime;
QueryPerformanceCounter(&currentTime);
LONGLONG elapsedTime = currentTime.QuadPart -
m_data->mStartTime.QuadPart;
// Compute the number of millisecond ticks elapsed.
unsigned long msecTicks = (unsigned long)(1000 * elapsedTime /
m_data->mClockFrequency.QuadPart);
return msecTicks;
#else
#ifdef __CELLOS_LV2__
uint64_t freq=sys_time_get_timebase_frequency();
double dFreq=((double) freq) / 1000.0;
typedef uint64_t ClockSize;
ClockSize newTime;
SYS_TIMEBASE_GET( newTime );
//__asm __volatile__( "mftb %0" : "=r" (newTime) : : "memory");
return (unsigned long int)((double(newTime-m_data->mStartTime)) / dFreq);
#else
struct timeval currentTime;
gettimeofday(&currentTime, 0);
return (currentTime.tv_sec - m_data->mStartTime.tv_sec) * 1000 +
(currentTime.tv_usec - m_data->mStartTime.tv_usec) / 1000;
#endif //__CELLOS_LV2__
#endif
}
/// Returns the time in us since the last call to reset or since
/// the Clock was created.
unsigned long long int btClock::getTimeMicroseconds()
{
#ifdef BT_USE_WINDOWS_TIMERS
//see https://msdn.microsoft.com/en-us/library/windows/desktop/dn553408(v=vs.85).aspx
LARGE_INTEGER currentTime, elapsedTime;
QueryPerformanceCounter(&currentTime);
elapsedTime.QuadPart = currentTime.QuadPart -
m_data->mStartTime.QuadPart;
elapsedTime.QuadPart *= 1000000;
elapsedTime.QuadPart /= m_data->mClockFrequency.QuadPart;
return (unsigned long long) elapsedTime.QuadPart;
#else
#ifdef __CELLOS_LV2__
uint64_t freq=sys_time_get_timebase_frequency();
double dFreq=((double) freq)/ 1000000.0;
typedef uint64_t ClockSize;
ClockSize newTime;
//__asm __volatile__( "mftb %0" : "=r" (newTime) : : "memory");
SYS_TIMEBASE_GET( newTime );
return (unsigned long int)((double(newTime-m_data->mStartTime)) / dFreq);
#else
struct timeval currentTime;
gettimeofday(&currentTime, 0);
return (currentTime.tv_sec - m_data->mStartTime.tv_sec) * 1000000 +
(currentTime.tv_usec - m_data->mStartTime.tv_usec);
#endif//__CELLOS_LV2__
#endif
}
unsigned long long int btClock::getTimeNanoseconds()
{
#ifdef BT_USE_WINDOWS_TIMERS
//see https://msdn.microsoft.com/en-us/library/windows/desktop/dn553408(v=vs.85).aspx
LARGE_INTEGER currentTime, elapsedTime;
QueryPerformanceCounter(&currentTime);
elapsedTime.QuadPart = currentTime.QuadPart -
m_data->mStartTime.QuadPart;
elapsedTime.QuadPart *= 1000000000;
elapsedTime.QuadPart /= m_data->mClockFrequency.QuadPart;
return (unsigned long long) elapsedTime.QuadPart;
#else
#ifdef __CELLOS_LV2__
uint64_t freq=sys_time_get_timebase_frequency();
double dFreq=((double) freq)/ 1e9;
typedef uint64_t ClockSize;
ClockSize newTime;
//__asm __volatile__( "mftb %0" : "=r" (newTime) : : "memory");
SYS_TIMEBASE_GET( newTime );
return (unsigned long int)((double(newTime-m_data->mStartTime)) / dFreq);
#else
#ifdef __APPLE__
uint64_t ticks = mach_absolute_time() - m_data->mStartTimeNano;
static long double conversion = 0.0L;
if( 0.0L == conversion )
{
// attempt to get conversion to nanoseconds
mach_timebase_info_data_t info;
int err = mach_timebase_info( &info );
if( err )
{
btAssert(0);
conversion = 1.;
}
conversion = info.numer / info.denom;
}
return (ticks * conversion);
#else//__APPLE__
#ifdef BT_LINUX_REALTIME
timespec ts;
clock_gettime(CLOCK_REALTIME,&ts);
return 1000000000*ts.tv_sec + ts.tv_nsec;
#else
struct timeval currentTime;
gettimeofday(&currentTime, 0);
return (currentTime.tv_sec - m_data->mStartTime.tv_sec) * 1e9 +
(currentTime.tv_usec - m_data->mStartTime.tv_usec)*1000;
#endif //BT_LINUX_REALTIME
#endif//__APPLE__
#endif//__CELLOS_LV2__
#endif
}
/// Returns the time in s since the last call to reset or since
/// the Clock was created.
btScalar btClock::getTimeSeconds()
{
static const btScalar microseconds_to_seconds = btScalar(0.000001);
return btScalar(getTimeMicroseconds()) * microseconds_to_seconds;
}
#ifndef BT_NO_PROFILE
static btClock gProfileClock;
inline void Profile_Get_Ticks(unsigned long int * ticks)
{
*ticks = (unsigned long int)gProfileClock.getTimeMicroseconds();
}
inline float Profile_Get_Tick_Rate(void)
{
// return 1000000.f;
return 1000.f;
}
/***************************************************************************************************
**
** CProfileNode
**
***************************************************************************************************/
/***********************************************************************************************
* INPUT: *
* name - pointer to a static string which is the name of this profile node *
* parent - parent pointer *
* *
* WARNINGS: *
* The name is assumed to be a static pointer, only the pointer is stored and compared for *
* efficiency reasons. *
*=============================================================================================*/
CProfileNode::CProfileNode( const char * name, CProfileNode * parent ) :
Name( name ),
TotalCalls( 0 ),
TotalTime( 0 ),
StartTime( 0 ),
RecursionCounter( 0 ),
Parent( parent ),
Child( NULL ),
Sibling( NULL ),
m_userPtr(0)
{
Reset();
}
void CProfileNode::CleanupMemory()
{
delete ( Child);
Child = NULL;
delete ( Sibling);
Sibling = NULL;
}
CProfileNode::~CProfileNode( void )
{
CleanupMemory();
}
/***********************************************************************************************
* INPUT: *
* name - static string pointer to the name of the node we are searching for *
* *
* WARNINGS: *
* All profile names are assumed to be static strings so this function uses pointer compares *
* to find the named node. *
*=============================================================================================*/
CProfileNode * CProfileNode::Get_Sub_Node( const char * name )
{
// Try to find this sub node
CProfileNode * child = Child;
while ( child ) {
if ( child->Name == name ) {
return child;
}
child = child->Sibling;
}
// We didn't find it, so add it
CProfileNode * node = new CProfileNode( name, this );
node->Sibling = Child;
Child = node;
return node;
}
void CProfileNode::Reset( void )
{
TotalCalls = 0;
TotalTime = 0.0f;
if ( Child ) {
Child->Reset();
}
if ( Sibling ) {
Sibling->Reset();
}
}
void CProfileNode::Call( void )
{
TotalCalls++;
if (RecursionCounter++ == 0) {
Profile_Get_Ticks(&StartTime);
}
}
bool CProfileNode::Return( void )
{
if ( --RecursionCounter == 0 && TotalCalls != 0 ) {
unsigned long int time;
Profile_Get_Ticks(&time);
time-=StartTime;
TotalTime += (float)time / Profile_Get_Tick_Rate();
}
return ( RecursionCounter == 0 );
}
/***************************************************************************************************
**
** CProfileIterator
**
***************************************************************************************************/
CProfileIterator::CProfileIterator( CProfileNode * start )
{
CurrentParent = start;
CurrentChild = CurrentParent->Get_Child();
}
void CProfileIterator::First(void)
{
CurrentChild = CurrentParent->Get_Child();
}
void CProfileIterator::Next(void)
{
CurrentChild = CurrentChild->Get_Sibling();
}
bool CProfileIterator::Is_Done(void)
{
return CurrentChild == NULL;
}
void CProfileIterator::Enter_Child( int index )
{
CurrentChild = CurrentParent->Get_Child();
while ( (CurrentChild != NULL) && (index != 0) ) {
index--;
CurrentChild = CurrentChild->Get_Sibling();
}
if ( CurrentChild != NULL ) {
CurrentParent = CurrentChild;
CurrentChild = CurrentParent->Get_Child();
}
}
void CProfileIterator::Enter_Parent( void )
{
if ( CurrentParent->Get_Parent() != NULL ) {
CurrentParent = CurrentParent->Get_Parent();
}
CurrentChild = CurrentParent->Get_Child();
}
/***************************************************************************************************
**
** CProfileManager
**
***************************************************************************************************/
CProfileNode gRoots[BT_QUICKPROF_MAX_THREAD_COUNT]={
CProfileNode("Root",NULL),CProfileNode("Root",NULL),CProfileNode("Root",NULL),CProfileNode("Root",NULL),
CProfileNode("Root",NULL),CProfileNode("Root",NULL),CProfileNode("Root",NULL),CProfileNode("Root",NULL),
CProfileNode("Root",NULL),CProfileNode("Root",NULL),CProfileNode("Root",NULL),CProfileNode("Root",NULL),
CProfileNode("Root",NULL),CProfileNode("Root",NULL),CProfileNode("Root",NULL),CProfileNode("Root",NULL),
CProfileNode("Root",NULL),CProfileNode("Root",NULL),CProfileNode("Root",NULL),CProfileNode("Root",NULL),
CProfileNode("Root",NULL),CProfileNode("Root",NULL),CProfileNode("Root",NULL),CProfileNode("Root",NULL),
CProfileNode("Root",NULL),CProfileNode("Root",NULL),CProfileNode("Root",NULL),CProfileNode("Root",NULL),
CProfileNode("Root",NULL),CProfileNode("Root",NULL),CProfileNode("Root",NULL),CProfileNode("Root",NULL),
CProfileNode("Root",NULL),CProfileNode("Root",NULL),CProfileNode("Root",NULL),CProfileNode("Root",NULL),
CProfileNode("Root",NULL),CProfileNode("Root",NULL),CProfileNode("Root",NULL),CProfileNode("Root",NULL),
CProfileNode("Root",NULL),CProfileNode("Root",NULL),CProfileNode("Root",NULL),CProfileNode("Root",NULL),
CProfileNode("Root",NULL),CProfileNode("Root",NULL),CProfileNode("Root",NULL),CProfileNode("Root",NULL),
CProfileNode("Root",NULL),CProfileNode("Root",NULL),CProfileNode("Root",NULL),CProfileNode("Root",NULL),
CProfileNode("Root",NULL),CProfileNode("Root",NULL),CProfileNode("Root",NULL),CProfileNode("Root",NULL),
CProfileNode("Root",NULL),CProfileNode("Root",NULL),CProfileNode("Root",NULL),CProfileNode("Root",NULL),
CProfileNode("Root",NULL),CProfileNode("Root",NULL),CProfileNode("Root",NULL),CProfileNode("Root",NULL)
};
CProfileNode* gCurrentNodes[BT_QUICKPROF_MAX_THREAD_COUNT]=
{
&gRoots[ 0], &gRoots[ 1], &gRoots[ 2], &gRoots[ 3],
&gRoots[ 4], &gRoots[ 5], &gRoots[ 6], &gRoots[ 7],
&gRoots[ 8], &gRoots[ 9], &gRoots[10], &gRoots[11],
&gRoots[12], &gRoots[13], &gRoots[14], &gRoots[15],
&gRoots[16], &gRoots[17], &gRoots[18], &gRoots[19],
&gRoots[20], &gRoots[21], &gRoots[22], &gRoots[23],
&gRoots[24], &gRoots[25], &gRoots[26], &gRoots[27],
&gRoots[28], &gRoots[29], &gRoots[30], &gRoots[31],
&gRoots[32], &gRoots[33], &gRoots[34], &gRoots[35],
&gRoots[36], &gRoots[37], &gRoots[38], &gRoots[39],
&gRoots[40], &gRoots[41], &gRoots[42], &gRoots[43],
&gRoots[44], &gRoots[45], &gRoots[46], &gRoots[47],
&gRoots[48], &gRoots[49], &gRoots[50], &gRoots[51],
&gRoots[52], &gRoots[53], &gRoots[54], &gRoots[55],
&gRoots[56], &gRoots[57], &gRoots[58], &gRoots[59],
&gRoots[60], &gRoots[61], &gRoots[62], &gRoots[63],
};
int CProfileManager::FrameCounter = 0;
unsigned long int CProfileManager::ResetTime = 0;
CProfileIterator * CProfileManager::Get_Iterator( void )
{
int threadIndex = btQuickprofGetCurrentThreadIndex2();
if ((threadIndex<0) || threadIndex >= BT_QUICKPROF_MAX_THREAD_COUNT)
return 0;
return new CProfileIterator( &gRoots[threadIndex]);
}
void CProfileManager::CleanupMemory(void)
{
for (int i=0;i<BT_QUICKPROF_MAX_THREAD_COUNT;i++)
{
gRoots[i].CleanupMemory();
}
}
/***********************************************************************************************
* CProfileManager::Start_Profile -- Begin a named profile *
* *
* Steps one level deeper into the tree, if a child already exists with the specified name *
* then it accumulates the profiling; otherwise a new child node is added to the profile tree. *
* *
* INPUT: *
* name - name of this profiling record *
* *
* WARNINGS: *
* The string used is assumed to be a static string; pointer compares are used throughout *
* the profiling code for efficiency. *
*=============================================================================================*/
void CProfileManager::Start_Profile( const char * name )
{
int threadIndex = btQuickprofGetCurrentThreadIndex2();
if ((threadIndex<0) || threadIndex >= BT_QUICKPROF_MAX_THREAD_COUNT)
return;
if (name != gCurrentNodes[threadIndex]->Get_Name()) {
gCurrentNodes[threadIndex] = gCurrentNodes[threadIndex]->Get_Sub_Node( name );
}
gCurrentNodes[threadIndex]->Call();
}
/***********************************************************************************************
* CProfileManager::Stop_Profile -- Stop timing and record the results. *
*=============================================================================================*/
void CProfileManager::Stop_Profile( void )
{
int threadIndex = btQuickprofGetCurrentThreadIndex2();
if ((threadIndex<0) || threadIndex >= BT_QUICKPROF_MAX_THREAD_COUNT)
return;
// Return will indicate whether we should back up to our parent (we may
// be profiling a recursive function)
if (gCurrentNodes[threadIndex]->Return()) {
gCurrentNodes[threadIndex] = gCurrentNodes[threadIndex]->Get_Parent();
}
}
/***********************************************************************************************
* CProfileManager::Reset -- Reset the contents of the profiling system *
* *
* This resets everything except for the tree structure. All of the timing data is reset. *
*=============================================================================================*/
void CProfileManager::Reset( void )
{
gProfileClock.reset();
int threadIndex = btQuickprofGetCurrentThreadIndex2();
if ((threadIndex<0) || threadIndex >= BT_QUICKPROF_MAX_THREAD_COUNT)
return;
gRoots[threadIndex].Reset();
gRoots[threadIndex].Call();
FrameCounter = 0;
Profile_Get_Ticks(&ResetTime);
}
/***********************************************************************************************
* CProfileManager::Increment_Frame_Counter -- Increment the frame counter *
*=============================================================================================*/
void CProfileManager::Increment_Frame_Counter( void )
{
FrameCounter++;
}
/***********************************************************************************************
* CProfileManager::Get_Time_Since_Reset -- returns the elapsed time since last reset *
*=============================================================================================*/
float CProfileManager::Get_Time_Since_Reset( void )
{
unsigned long int time;
Profile_Get_Ticks(&time);
time -= ResetTime;
return (float)time / Profile_Get_Tick_Rate();
}
#include <stdio.h>
void CProfileManager::dumpRecursive(CProfileIterator* profileIterator, int spacing)
{
profileIterator->First();
if (profileIterator->Is_Done())
return;
float accumulated_time=0,parent_time = profileIterator->Is_Root() ? CProfileManager::Get_Time_Since_Reset() : profileIterator->Get_Current_Parent_Total_Time();
int i;
int frames_since_reset = CProfileManager::Get_Frame_Count_Since_Reset();
for (i=0;i<spacing;i++) printf(".");
printf("----------------------------------\n");
for (i=0;i<spacing;i++) printf(".");
printf("Profiling: %s (total running time: %.3f ms) ---\n", profileIterator->Get_Current_Parent_Name(), parent_time );
float totalTime = 0.f;
int numChildren = 0;
for (i = 0; !profileIterator->Is_Done(); i++,profileIterator->Next())
{
numChildren++;
float current_total_time = profileIterator->Get_Current_Total_Time();
accumulated_time += current_total_time;
float fraction = parent_time > SIMD_EPSILON ? (current_total_time / parent_time) * 100 : 0.f;
{
int i; for (i=0;i<spacing;i++) printf(".");
}
printf("%d -- %s (%.2f %%) :: %.3f ms / frame (%d calls)\n",i, profileIterator->Get_Current_Name(), fraction,(current_total_time / (double)frames_since_reset),profileIterator->Get_Current_Total_Calls());
totalTime += current_total_time;
//recurse into children
}
if (parent_time < accumulated_time)
{
//printf("what's wrong\n");
}
for (i=0;i<spacing;i++) printf(".");
printf("%s (%.3f %%) :: %.3f ms\n", "Unaccounted:",parent_time > SIMD_EPSILON ? ((parent_time - accumulated_time) / parent_time) * 100 : 0.f, parent_time - accumulated_time);
for (i=0;i<numChildren;i++)
{
profileIterator->Enter_Child(i);
dumpRecursive(profileIterator,spacing+3);
profileIterator->Enter_Parent();
}
}
void CProfileManager::dumpAll()
{
CProfileIterator* profileIterator = 0;
profileIterator = CProfileManager::Get_Iterator();
dumpRecursive(profileIterator,0);
CProfileManager::Release_Iterator(profileIterator);
}
unsigned int btQuickprofGetCurrentThreadIndex2()
{
#if BT_THREADSAFE
return btGetCurrentThreadIndex();
#else // #if BT_THREADSAFE
const unsigned int kNullIndex = ~0U;
#ifdef _WIN32
#if defined(__MINGW32__) || defined(__MINGW64__)
static __thread unsigned int sThreadIndex = kNullIndex;
#else
__declspec( thread ) static unsigned int sThreadIndex = kNullIndex;
#endif
#else
#ifdef __APPLE__
#if TARGET_OS_IPHONE
unsigned int sThreadIndex = 0;
return -1;
#else
static __thread unsigned int sThreadIndex = kNullIndex;
#endif
#else//__APPLE__
#if __linux__
static __thread unsigned int sThreadIndex = kNullIndex;
#else
unsigned int sThreadIndex = 0;
return -1;
#endif
#endif//__APPLE__
#endif
static int gThreadCounter=0;
if ( sThreadIndex == kNullIndex )
{
sThreadIndex = gThreadCounter++;
}
return sThreadIndex;
#endif // #else // #if BT_THREADSAFE
}
void btEnterProfileZoneDefault(const char* name)
{
CProfileManager::Start_Profile( name );
}
void btLeaveProfileZoneDefault()
{
CProfileManager::Stop_Profile();
}
#else
void btEnterProfileZoneDefault(const char* name)
{
}
void btLeaveProfileZoneDefault()
{
}
#endif //BT_NO_PROFILE
static btEnterProfileZoneFunc* bts_enterFunc = btEnterProfileZoneDefault;
static btLeaveProfileZoneFunc* bts_leaveFunc = btLeaveProfileZoneDefault;
void btEnterProfileZone(const char* name)
{
(bts_enterFunc)(name);
}
void btLeaveProfileZone()
{
(bts_leaveFunc)();
}
btEnterProfileZoneFunc* btGetCurrentEnterProfileZoneFunc()
{
return bts_enterFunc ;
}
btLeaveProfileZoneFunc* btGetCurrentLeaveProfileZoneFunc()
{
return bts_leaveFunc;
}
void btSetCustomEnterProfileZoneFunc(btEnterProfileZoneFunc* enterFunc)
{
bts_enterFunc = enterFunc;
}
void btSetCustomLeaveProfileZoneFunc(btLeaveProfileZoneFunc* leaveFunc)
{
bts_leaveFunc = leaveFunc;
}
CProfileSample::CProfileSample( const char * name )
{
btEnterProfileZone(name);
}
CProfileSample::~CProfileSample( void )
{
btLeaveProfileZone();
}

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/***************************************************************************************************
**
** Real-Time Hierarchical Profiling for Game Programming Gems 3
**
** by Greg Hjelstrom & Byon Garrabrant
**
***************************************************************************************************/
// Credits: The Clock class was inspired by the Timer classes in
// Ogre (www.ogre3d.org).
#ifndef BT_QUICK_PROF_H
#define BT_QUICK_PROF_H
#include "btScalar.h"
#define USE_BT_CLOCK 1
#ifdef USE_BT_CLOCK
///The btClock is a portable basic clock that measures accurate time in seconds, use for profiling.
class btClock
{
public:
btClock();
btClock(const btClock& other);
btClock& operator=(const btClock& other);
~btClock();
/// Resets the initial reference time.
void reset();
/// Returns the time in ms since the last call to reset or since
/// the btClock was created.
unsigned long long int getTimeMilliseconds();
/// Returns the time in us since the last call to reset or since
/// the Clock was created.
unsigned long long int getTimeMicroseconds();
unsigned long long int getTimeNanoseconds();
/// Returns the time in s since the last call to reset or since
/// the Clock was created.
btScalar getTimeSeconds();
private:
struct btClockData* m_data;
};
#endif //USE_BT_CLOCK
typedef void (btEnterProfileZoneFunc)(const char* msg);
typedef void (btLeaveProfileZoneFunc)();
btEnterProfileZoneFunc* btGetCurrentEnterProfileZoneFunc();
btLeaveProfileZoneFunc* btGetCurrentLeaveProfileZoneFunc();
void btSetCustomEnterProfileZoneFunc(btEnterProfileZoneFunc* enterFunc);
void btSetCustomLeaveProfileZoneFunc(btLeaveProfileZoneFunc* leaveFunc);
#ifndef BT_NO_PROFILE // FIX redefinition
//To disable built-in profiling, please comment out next line
//#define BT_NO_PROFILE 1
#endif //BT_NO_PROFILE
#ifndef BT_NO_PROFILE
//btQuickprofGetCurrentThreadIndex will return -1 if thread index cannot be determined,
//otherwise returns thread index in range [0..maxThreads]
unsigned int btQuickprofGetCurrentThreadIndex2();
const unsigned int BT_QUICKPROF_MAX_THREAD_COUNT = 64;
#include <stdio.h>//@todo remove this, backwards compatibility
#include "btAlignedAllocator.h"
#include <new>
///A node in the Profile Hierarchy Tree
class CProfileNode {
public:
CProfileNode( const char * name, CProfileNode * parent );
~CProfileNode( void );
CProfileNode * Get_Sub_Node( const char * name );
CProfileNode * Get_Parent( void ) { return Parent; }
CProfileNode * Get_Sibling( void ) { return Sibling; }
CProfileNode * Get_Child( void ) { return Child; }
void CleanupMemory();
void Reset( void );
void Call( void );
bool Return( void );
const char * Get_Name( void ) { return Name; }
int Get_Total_Calls( void ) { return TotalCalls; }
float Get_Total_Time( void ) { return TotalTime; }
void* GetUserPointer() const {return m_userPtr;}
void SetUserPointer(void* ptr) { m_userPtr = ptr;}
protected:
const char * Name;
int TotalCalls;
float TotalTime;
unsigned long int StartTime;
int RecursionCounter;
CProfileNode * Parent;
CProfileNode * Child;
CProfileNode * Sibling;
void* m_userPtr;
};
///An iterator to navigate through the tree
class CProfileIterator
{
public:
// Access all the children of the current parent
void First(void);
void Next(void);
bool Is_Done(void);
bool Is_Root(void) { return (CurrentParent->Get_Parent() == 0); }
void Enter_Child( int index ); // Make the given child the new parent
void Enter_Largest_Child( void ); // Make the largest child the new parent
void Enter_Parent( void ); // Make the current parent's parent the new parent
// Access the current child
const char * Get_Current_Name( void ) { return CurrentChild->Get_Name(); }
int Get_Current_Total_Calls( void ) { return CurrentChild->Get_Total_Calls(); }
float Get_Current_Total_Time( void ) { return CurrentChild->Get_Total_Time(); }
void* Get_Current_UserPointer( void ) { return CurrentChild->GetUserPointer(); }
void Set_Current_UserPointer(void* ptr) {CurrentChild->SetUserPointer(ptr);}
// Access the current parent
const char * Get_Current_Parent_Name( void ) { return CurrentParent->Get_Name(); }
int Get_Current_Parent_Total_Calls( void ) { return CurrentParent->Get_Total_Calls(); }
float Get_Current_Parent_Total_Time( void ) { return CurrentParent->Get_Total_Time(); }
protected:
CProfileNode * CurrentParent;
CProfileNode * CurrentChild;
CProfileIterator( CProfileNode * start );
friend class CProfileManager;
};
///The Manager for the Profile system
class CProfileManager {
public:
static void Start_Profile( const char * name );
static void Stop_Profile( void );
static void CleanupMemory(void);
// {
// Root.CleanupMemory();
// }
static void Reset( void );
static void Increment_Frame_Counter( void );
static int Get_Frame_Count_Since_Reset( void ) { return FrameCounter; }
static float Get_Time_Since_Reset( void );
static CProfileIterator * Get_Iterator( void );
// {
//
// return new CProfileIterator( &Root );
// }
static void Release_Iterator( CProfileIterator * iterator ) { delete ( iterator); }
static void dumpRecursive(CProfileIterator* profileIterator, int spacing);
static void dumpAll();
private:
static int FrameCounter;
static unsigned long int ResetTime;
};
#endif //#ifndef BT_NO_PROFILE
///ProfileSampleClass is a simple way to profile a function's scope
///Use the BT_PROFILE macro at the start of scope to time
class CProfileSample {
public:
CProfileSample( const char * name );
~CProfileSample( void );
};
#define BT_PROFILE( name ) CProfileSample __profile( name )
#endif //BT_QUICK_PROF_H

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/*
Copyright (c) 2003-2006 Gino van den Bergen / Erwin Coumans http://continuousphysics.com/Bullet/
This software is provided 'as-is', without any express or implied warranty.
In no event will the authors be held liable for any damages arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it freely,
subject to the following restrictions:
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.
2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
#ifndef BT_GEN_RANDOM_H
#define BT_GEN_RANDOM_H
#ifdef MT19937
#include <limits.h>
#include <mt19937.h>
#define GEN_RAND_MAX UINT_MAX
SIMD_FORCE_INLINE void GEN_srand(unsigned int seed) { init_genrand(seed); }
SIMD_FORCE_INLINE unsigned int GEN_rand() { return genrand_int32(); }
#else
#include <stdlib.h>
#define GEN_RAND_MAX RAND_MAX
SIMD_FORCE_INLINE void GEN_srand(unsigned int seed) { srand(seed); }
SIMD_FORCE_INLINE unsigned int GEN_rand() { return rand(); }
#endif
#endif //BT_GEN_RANDOM_H

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/*
Copyright (c) 2003-2009 Erwin Coumans http://bullet.googlecode.com
This software is provided 'as-is', without any express or implied warranty.
In no event will the authors be held liable for any damages arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it freely,
subject to the following restrictions:
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.
2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
#ifndef BT_SCALAR_H
#define BT_SCALAR_H
#ifdef BT_MANAGED_CODE
//Aligned data types not supported in managed code
#pragma unmanaged
#endif
#include <math.h>
#include <stdlib.h> //size_t for MSVC 6.0
#include <float.h>
/* SVN $Revision$ on $Date$ from http://bullet.googlecode.com*/
#define BT_BULLET_VERSION 287
inline int btGetVersion()
{
return BT_BULLET_VERSION;
}
// The following macro "BT_NOT_EMPTY_FILE" can be put into a file
// in order suppress the MS Visual C++ Linker warning 4221
//
// warning LNK4221: no public symbols found; archive member will be inaccessible
//
// This warning occurs on PC and XBOX when a file compiles out completely
// has no externally visible symbols which may be dependant on configuration
// #defines and options.
//
// see more https://stackoverflow.com/questions/1822887/what-is-the-best-way-to-eliminate-ms-visual-c-linker-warning-warning-lnk422
#if defined (_MSC_VER)
#define BT_NOT_EMPTY_FILE_CAT_II(p, res) res
#define BT_NOT_EMPTY_FILE_CAT_I(a, b) BT_NOT_EMPTY_FILE_CAT_II(~, a ## b)
#define BT_NOT_EMPTY_FILE_CAT(a, b) BT_NOT_EMPTY_FILE_CAT_I(a, b)
#define BT_NOT_EMPTY_FILE namespace { char BT_NOT_EMPTY_FILE_CAT(NoEmptyFileDummy, __COUNTER__); }
#else
#define BT_NOT_EMPTY_FILE
#endif
// clang and most formatting tools don't support indentation of preprocessor guards, so turn it off
// clang-format off
#if defined(DEBUG) || defined (_DEBUG)
#define BT_DEBUG
#endif
#ifdef _WIN32
#if defined(__MINGW32__) || defined(__CYGWIN__) || (defined (_MSC_VER) && _MSC_VER < 1300)
#define SIMD_FORCE_INLINE inline
#define ATTRIBUTE_ALIGNED16(a) a
#define ATTRIBUTE_ALIGNED64(a) a
#define ATTRIBUTE_ALIGNED128(a) a
#elif defined(_M_ARM)
#define SIMD_FORCE_INLINE __forceinline
#define ATTRIBUTE_ALIGNED16(a) __declspec() a
#define ATTRIBUTE_ALIGNED64(a) __declspec() a
#define ATTRIBUTE_ALIGNED128(a) __declspec () a
#else//__MINGW32__
//#define BT_HAS_ALIGNED_ALLOCATOR
#pragma warning(disable : 4324) // disable padding warning
// #pragma warning(disable:4530) // Disable the exception disable but used in MSCV Stl warning.
#pragma warning(disable:4996) //Turn off warnings about deprecated C routines
// #pragma warning(disable:4786) // Disable the "debug name too long" warning
#define SIMD_FORCE_INLINE __forceinline
#define ATTRIBUTE_ALIGNED16(a) __declspec(align(16)) a
#define ATTRIBUTE_ALIGNED64(a) __declspec(align(64)) a
#define ATTRIBUTE_ALIGNED128(a) __declspec (align(128)) a
#ifdef _XBOX
#define BT_USE_VMX128
#include <ppcintrinsics.h>
#define BT_HAVE_NATIVE_FSEL
#define btFsel(a,b,c) __fsel((a),(b),(c))
#else
#if defined (_M_ARM)
//Do not turn SSE on for ARM (may want to turn on BT_USE_NEON however)
#elif (defined (_WIN32) && (_MSC_VER) && _MSC_VER >= 1400) && (!defined (BT_USE_DOUBLE_PRECISION))
#if _MSC_VER>1400
#define BT_USE_SIMD_VECTOR3
#endif
#define BT_USE_SSE
#ifdef BT_USE_SSE
#if (_MSC_FULL_VER >= 170050727)//Visual Studio 2012 can compile SSE4/FMA3 (but SSE4/FMA3 is not enabled by default)
#define BT_ALLOW_SSE4
#endif //(_MSC_FULL_VER >= 160040219)
//BT_USE_SSE_IN_API is disabled under Windows by default, because
//it makes it harder to integrate Bullet into your application under Windows
//(structured embedding Bullet structs/classes need to be 16-byte aligned)
//with relatively little performance gain
//If you are not embedded Bullet data in your classes, or make sure that you align those classes on 16-byte boundaries
//you can manually enable this line or set it in the build system for a bit of performance gain (a few percent, dependent on usage)
//#define BT_USE_SSE_IN_API
#endif //BT_USE_SSE
#include <emmintrin.h>
#endif
#endif//_XBOX
#endif //__MINGW32__
#ifdef BT_DEBUG
#ifdef _MSC_VER
#include <stdio.h>
#define btAssert(x) { if(!(x)){printf("Assert "__FILE__ ":%u (%s)\n", __LINE__, #x);__debugbreak(); }}
#else//_MSC_VER
#include <assert.h>
#define btAssert assert
#endif//_MSC_VER
#else
#define btAssert(x)
#endif
//btFullAssert is optional, slows down a lot
#define btFullAssert(x)
#define btLikely(_c) _c
#define btUnlikely(_c) _c
#else//_WIN32
#if defined (__CELLOS_LV2__)
#define SIMD_FORCE_INLINE inline __attribute__((always_inline))
#define ATTRIBUTE_ALIGNED16(a) a __attribute__ ((aligned (16)))
#define ATTRIBUTE_ALIGNED64(a) a __attribute__ ((aligned (64)))
#define ATTRIBUTE_ALIGNED128(a) a __attribute__ ((aligned (128)))
#ifndef assert
#include <assert.h>
#endif
#ifdef BT_DEBUG
#ifdef __SPU__
#include <spu_printf.h>
#define printf spu_printf
#define btAssert(x) {if(!(x)){printf("Assert "__FILE__ ":%u ("#x")\n", __LINE__);spu_hcmpeq(0,0);}}
#else
#define btAssert assert
#endif
#else//BT_DEBUG
#define btAssert(x)
#endif//BT_DEBUG
//btFullAssert is optional, slows down a lot
#define btFullAssert(x)
#define btLikely(_c) _c
#define btUnlikely(_c) _c
#else//defined (__CELLOS_LV2__)
#ifdef USE_LIBSPE2
#define SIMD_FORCE_INLINE __inline
#define ATTRIBUTE_ALIGNED16(a) a __attribute__ ((aligned (16)))
#define ATTRIBUTE_ALIGNED64(a) a __attribute__ ((aligned (64)))
#define ATTRIBUTE_ALIGNED128(a) a __attribute__ ((aligned (128)))
#ifndef assert
#include <assert.h>
#endif
#ifdef BT_DEBUG
#define btAssert assert
#else
#define btAssert(x)
#endif
//btFullAssert is optional, slows down a lot
#define btFullAssert(x)
#define btLikely(_c) __builtin_expect((_c), 1)
#define btUnlikely(_c) __builtin_expect((_c), 0)
#else//USE_LIBSPE2
//non-windows systems
#if (defined (__APPLE__) && (!defined (BT_USE_DOUBLE_PRECISION)))
#if defined (__i386__) || defined (__x86_64__)
#define BT_USE_SIMD_VECTOR3
#define BT_USE_SSE
//BT_USE_SSE_IN_API is enabled on Mac OSX by default, because memory is automatically aligned on 16-byte boundaries
//if apps run into issues, we will disable the next line
#define BT_USE_SSE_IN_API
#ifdef BT_USE_SSE
// include appropriate SSE level
#if defined (__SSE4_1__)
#include <smmintrin.h>
#elif defined (__SSSE3__)
#include <tmmintrin.h>
#elif defined (__SSE3__)
#include <pmmintrin.h>
#else
#include <emmintrin.h>
#endif
#endif //BT_USE_SSE
#elif defined( __ARM_NEON__ )
#ifdef __clang__
#define BT_USE_NEON 1
#define BT_USE_SIMD_VECTOR3
#if defined BT_USE_NEON && defined (__clang__)
#include <arm_neon.h>
#endif//BT_USE_NEON
#endif //__clang__
#endif//__arm__
#define SIMD_FORCE_INLINE inline __attribute__ ((always_inline))
///@todo: check out alignment methods for other platforms/compilers
#define ATTRIBUTE_ALIGNED16(a) a __attribute__ ((aligned (16)))
#define ATTRIBUTE_ALIGNED64(a) a __attribute__ ((aligned (64)))
#define ATTRIBUTE_ALIGNED128(a) a __attribute__ ((aligned (128)))
#ifndef assert
#include <assert.h>
#endif
#if defined(DEBUG) || defined (_DEBUG)
#if defined (__i386__) || defined (__x86_64__)
#include <stdio.h>
#define btAssert(x)\
{\
if(!(x))\
{\
printf("Assert %s in line %d, file %s\n",#x, __LINE__, __FILE__);\
asm volatile ("int3");\
}\
}
#else//defined (__i386__) || defined (__x86_64__)
#define btAssert assert
#endif//defined (__i386__) || defined (__x86_64__)
#else//defined(DEBUG) || defined (_DEBUG)
#define btAssert(x)
#endif//defined(DEBUG) || defined (_DEBUG)
//btFullAssert is optional, slows down a lot
#define btFullAssert(x)
#define btLikely(_c) _c
#define btUnlikely(_c) _c
#else//__APPLE__
#define SIMD_FORCE_INLINE inline
///@todo: check out alignment methods for other platforms/compilers
///#define ATTRIBUTE_ALIGNED16(a) a __attribute__ ((aligned (16)))
///#define ATTRIBUTE_ALIGNED64(a) a __attribute__ ((aligned (64)))
///#define ATTRIBUTE_ALIGNED128(a) a __attribute__ ((aligned (128)))
#define ATTRIBUTE_ALIGNED16(a) a
#define ATTRIBUTE_ALIGNED64(a) a
#define ATTRIBUTE_ALIGNED128(a) a
#ifndef assert
#include <assert.h>
#endif
#if defined(DEBUG) || defined (_DEBUG)
#define btAssert assert
#else
#define btAssert(x)
#endif
//btFullAssert is optional, slows down a lot
#define btFullAssert(x)
#define btLikely(_c) _c
#define btUnlikely(_c) _c
#endif //__APPLE__
#endif // LIBSPE2
#endif //__CELLOS_LV2__
#endif//_WIN32
///The btScalar type abstracts floating point numbers, to easily switch between double and single floating point precision.
#if defined(BT_USE_DOUBLE_PRECISION)
typedef double btScalar;
//this number could be bigger in double precision
#define BT_LARGE_FLOAT 1e30
#else
typedef float btScalar;
//keep BT_LARGE_FLOAT*BT_LARGE_FLOAT < FLT_MAX
#define BT_LARGE_FLOAT 1e18f
#endif
#ifdef BT_USE_SSE
typedef __m128 btSimdFloat4;
#endif //BT_USE_SSE
#if defined(BT_USE_SSE)
//#if defined BT_USE_SSE_IN_API && defined (BT_USE_SSE)
#ifdef _WIN32
#ifndef BT_NAN
static int btNanMask = 0x7F800001;
#define BT_NAN (*(float *)&btNanMask)
#endif
#ifndef BT_INFINITY
static int btInfinityMask = 0x7F800000;
#define BT_INFINITY (*(float *)&btInfinityMask)
inline int btGetInfinityMask() //suppress stupid compiler warning
{
return btInfinityMask;
}
#endif
//use this, in case there are clashes (such as xnamath.h)
#ifndef BT_NO_SIMD_OPERATOR_OVERLOADS
inline __m128 operator+(const __m128 A, const __m128 B)
{
return _mm_add_ps(A, B);
}
inline __m128 operator-(const __m128 A, const __m128 B)
{
return _mm_sub_ps(A, B);
}
inline __m128 operator*(const __m128 A, const __m128 B)
{
return _mm_mul_ps(A, B);
}
#endif //BT_NO_SIMD_OPERATOR_OVERLOADS
#define btCastfTo128i(a) (_mm_castps_si128(a))
#define btCastfTo128d(a) (_mm_castps_pd(a))
#define btCastiTo128f(a) (_mm_castsi128_ps(a))
#define btCastdTo128f(a) (_mm_castpd_ps(a))
#define btCastdTo128i(a) (_mm_castpd_si128(a))
#define btAssign128(r0, r1, r2, r3) _mm_setr_ps(r0, r1, r2, r3)
#else //_WIN32
#define btCastfTo128i(a) ((__m128i)(a))
#define btCastfTo128d(a) ((__m128d)(a))
#define btCastiTo128f(a) ((__m128)(a))
#define btCastdTo128f(a) ((__m128)(a))
#define btCastdTo128i(a) ((__m128i)(a))
#define btAssign128(r0, r1, r2, r3) \
(__m128) { r0, r1, r2, r3 }
#define BT_INFINITY INFINITY
#define BT_NAN NAN
#endif //_WIN32
#else//BT_USE_SSE
#ifdef BT_USE_NEON
#include <arm_neon.h>
typedef float32x4_t btSimdFloat4;
#define BT_INFINITY INFINITY
#define BT_NAN NAN
#define btAssign128(r0, r1, r2, r3) \
(float32x4_t) { r0, r1, r2, r3 }
#else //BT_USE_NEON
#ifndef BT_INFINITY
struct btInfMaskConverter
{
union {
float mask;
int intmask;
};
btInfMaskConverter(int _mask = 0x7F800000)
: intmask(_mask)
{
}
};
static btInfMaskConverter btInfinityMask = 0x7F800000;
#define BT_INFINITY (btInfinityMask.mask)
inline int btGetInfinityMask() //suppress stupid compiler warning
{
return btInfinityMask.intmask;
}
#endif
#endif //BT_USE_NEON
#endif //BT_USE_SSE
#ifdef BT_USE_NEON
#include <arm_neon.h>
typedef float32x4_t btSimdFloat4;
#define BT_INFINITY INFINITY
#define BT_NAN NAN
#define btAssign128(r0, r1, r2, r3) \
(float32x4_t) { r0, r1, r2, r3 }
#endif//BT_USE_NEON
#define BT_DECLARE_ALIGNED_ALLOCATOR() \
SIMD_FORCE_INLINE void *operator new(size_t sizeInBytes) { return btAlignedAlloc(sizeInBytes, 16); } \
SIMD_FORCE_INLINE void operator delete(void *ptr) { btAlignedFree(ptr); } \
SIMD_FORCE_INLINE void *operator new(size_t, void *ptr) { return ptr; } \
SIMD_FORCE_INLINE void operator delete(void *, void *) {} \
SIMD_FORCE_INLINE void *operator new[](size_t sizeInBytes) { return btAlignedAlloc(sizeInBytes, 16); } \
SIMD_FORCE_INLINE void operator delete[](void *ptr) { btAlignedFree(ptr); } \
SIMD_FORCE_INLINE void *operator new[](size_t, void *ptr) { return ptr; } \
SIMD_FORCE_INLINE void operator delete[](void *, void *) {}
#if defined(BT_USE_DOUBLE_PRECISION) || defined(BT_FORCE_DOUBLE_FUNCTIONS)
SIMD_FORCE_INLINE btScalar btSqrt(btScalar x)
{
return sqrt(x);
}
SIMD_FORCE_INLINE btScalar btFabs(btScalar x) { return fabs(x); }
SIMD_FORCE_INLINE btScalar btCos(btScalar x) { return cos(x); }
SIMD_FORCE_INLINE btScalar btSin(btScalar x) { return sin(x); }
SIMD_FORCE_INLINE btScalar btTan(btScalar x) { return tan(x); }
SIMD_FORCE_INLINE btScalar btAcos(btScalar x)
{
if (x < btScalar(-1)) x = btScalar(-1);
if (x > btScalar(1)) x = btScalar(1);
return acos(x);
}
SIMD_FORCE_INLINE btScalar btAsin(btScalar x)
{
if (x < btScalar(-1)) x = btScalar(-1);
if (x > btScalar(1)) x = btScalar(1);
return asin(x);
}
SIMD_FORCE_INLINE btScalar btAtan(btScalar x) { return atan(x); }
SIMD_FORCE_INLINE btScalar btAtan2(btScalar x, btScalar y) { return atan2(x, y); }
SIMD_FORCE_INLINE btScalar btExp(btScalar x) { return exp(x); }
SIMD_FORCE_INLINE btScalar btLog(btScalar x) { return log(x); }
SIMD_FORCE_INLINE btScalar btPow(btScalar x, btScalar y) { return pow(x, y); }
SIMD_FORCE_INLINE btScalar btFmod(btScalar x, btScalar y) { return fmod(x, y); }
#else//BT_USE_DOUBLE_PRECISION
SIMD_FORCE_INLINE btScalar btSqrt(btScalar y)
{
#ifdef USE_APPROXIMATION
#ifdef __LP64__
float xhalf = 0.5f * y;
int i = *(int *)&y;
i = 0x5f375a86 - (i >> 1);
y = *(float *)&i;
y = y * (1.5f - xhalf * y * y);
y = y * (1.5f - xhalf * y * y);
y = y * (1.5f - xhalf * y * y);
y = 1 / y;
return y;
#else
double x, z, tempf;
unsigned long *tfptr = ((unsigned long *)&tempf) + 1;
tempf = y;
*tfptr = (0xbfcdd90a - *tfptr) >> 1; /* estimate of 1/sqrt(y) */
x = tempf;
z = y * btScalar(0.5);
x = (btScalar(1.5) * x) - (x * x) * (x * z); /* iteration formula */
x = (btScalar(1.5) * x) - (x * x) * (x * z);
x = (btScalar(1.5) * x) - (x * x) * (x * z);
x = (btScalar(1.5) * x) - (x * x) * (x * z);
x = (btScalar(1.5) * x) - (x * x) * (x * z);
return x * y;
#endif
#else
return sqrtf(y);
#endif
}
SIMD_FORCE_INLINE btScalar btFabs(btScalar x) { return fabsf(x); }
SIMD_FORCE_INLINE btScalar btCos(btScalar x) { return cosf(x); }
SIMD_FORCE_INLINE btScalar btSin(btScalar x) { return sinf(x); }
SIMD_FORCE_INLINE btScalar btTan(btScalar x) { return tanf(x); }
SIMD_FORCE_INLINE btScalar btAcos(btScalar x)
{
if (x < btScalar(-1))
x = btScalar(-1);
if (x > btScalar(1))
x = btScalar(1);
return acosf(x);
}
SIMD_FORCE_INLINE btScalar btAsin(btScalar x)
{
if (x < btScalar(-1))
x = btScalar(-1);
if (x > btScalar(1))
x = btScalar(1);
return asinf(x);
}
SIMD_FORCE_INLINE btScalar btAtan(btScalar x) { return atanf(x); }
SIMD_FORCE_INLINE btScalar btAtan2(btScalar x, btScalar y) { return atan2f(x, y); }
SIMD_FORCE_INLINE btScalar btExp(btScalar x) { return expf(x); }
SIMD_FORCE_INLINE btScalar btLog(btScalar x) { return logf(x); }
SIMD_FORCE_INLINE btScalar btPow(btScalar x, btScalar y) { return powf(x, y); }
SIMD_FORCE_INLINE btScalar btFmod(btScalar x, btScalar y) { return fmodf(x, y); }
#endif//BT_USE_DOUBLE_PRECISION
#define SIMD_PI btScalar(3.1415926535897932384626433832795029)
#define SIMD_2_PI (btScalar(2.0) * SIMD_PI)
#define SIMD_HALF_PI (SIMD_PI * btScalar(0.5))
#define SIMD_RADS_PER_DEG (SIMD_2_PI / btScalar(360.0))
#define SIMD_DEGS_PER_RAD (btScalar(360.0) / SIMD_2_PI)
#define SIMDSQRT12 btScalar(0.7071067811865475244008443621048490)
#define btRecipSqrt(x) ((btScalar)(btScalar(1.0) / btSqrt(btScalar(x)))) /* reciprocal square root */
#define btRecip(x) (btScalar(1.0) / btScalar(x))
#ifdef BT_USE_DOUBLE_PRECISION
#define SIMD_EPSILON DBL_EPSILON
#define SIMD_INFINITY DBL_MAX
#define BT_ONE 1.0
#define BT_ZERO 0.0
#define BT_TWO 2.0
#define BT_HALF 0.5
#else
#define SIMD_EPSILON FLT_EPSILON
#define SIMD_INFINITY FLT_MAX
#define BT_ONE 1.0f
#define BT_ZERO 0.0f
#define BT_TWO 2.0f
#define BT_HALF 0.5f
#endif
// clang-format on
SIMD_FORCE_INLINE btScalar btAtan2Fast(btScalar y, btScalar x)
{
btScalar coeff_1 = SIMD_PI / 4.0f;
btScalar coeff_2 = 3.0f * coeff_1;
btScalar abs_y = btFabs(y);
btScalar angle;
if (x >= 0.0f)
{
btScalar r = (x - abs_y) / (x + abs_y);
angle = coeff_1 - coeff_1 * r;
}
else
{
btScalar r = (x + abs_y) / (abs_y - x);
angle = coeff_2 - coeff_1 * r;
}
return (y < 0.0f) ? -angle : angle;
}
SIMD_FORCE_INLINE bool btFuzzyZero(btScalar x) { return btFabs(x) < SIMD_EPSILON; }
SIMD_FORCE_INLINE bool btEqual(btScalar a, btScalar eps)
{
return (((a) <= eps) && !((a) < -eps));
}
SIMD_FORCE_INLINE bool btGreaterEqual(btScalar a, btScalar eps)
{
return (!((a) <= eps));
}
SIMD_FORCE_INLINE int btIsNegative(btScalar x)
{
return x < btScalar(0.0) ? 1 : 0;
}
SIMD_FORCE_INLINE btScalar btRadians(btScalar x) { return x * SIMD_RADS_PER_DEG; }
SIMD_FORCE_INLINE btScalar btDegrees(btScalar x) { return x * SIMD_DEGS_PER_RAD; }
#define BT_DECLARE_HANDLE(name) \
typedef struct name##__ \
{ \
int unused; \
} * name
#ifndef btFsel
SIMD_FORCE_INLINE btScalar btFsel(btScalar a, btScalar b, btScalar c)
{
return a >= 0 ? b : c;
}
#endif
#define btFsels(a, b, c) (btScalar) btFsel(a, b, c)
SIMD_FORCE_INLINE bool btMachineIsLittleEndian()
{
long int i = 1;
const char *p = (const char *)&i;
if (p[0] == 1) // Lowest address contains the least significant byte
return true;
else
return false;
}
///btSelect avoids branches, which makes performance much better for consoles like Playstation 3 and XBox 360
///Thanks Phil Knight. See also http://www.cellperformance.com/articles/2006/04/more_techniques_for_eliminatin_1.html
SIMD_FORCE_INLINE unsigned btSelect(unsigned condition, unsigned valueIfConditionNonZero, unsigned valueIfConditionZero)
{
// Set testNz to 0xFFFFFFFF if condition is nonzero, 0x00000000 if condition is zero
// Rely on positive value or'ed with its negative having sign bit on
// and zero value or'ed with its negative (which is still zero) having sign bit off
// Use arithmetic shift right, shifting the sign bit through all 32 bits
unsigned testNz = (unsigned)(((int)condition | -(int)condition) >> 31);
unsigned testEqz = ~testNz;
return ((valueIfConditionNonZero & testNz) | (valueIfConditionZero & testEqz));
}
SIMD_FORCE_INLINE int btSelect(unsigned condition, int valueIfConditionNonZero, int valueIfConditionZero)
{
unsigned testNz = (unsigned)(((int)condition | -(int)condition) >> 31);
unsigned testEqz = ~testNz;
return static_cast<int>((valueIfConditionNonZero & testNz) | (valueIfConditionZero & testEqz));
}
SIMD_FORCE_INLINE float btSelect(unsigned condition, float valueIfConditionNonZero, float valueIfConditionZero)
{
#ifdef BT_HAVE_NATIVE_FSEL
return (float)btFsel((btScalar)condition - btScalar(1.0f), valueIfConditionNonZero, valueIfConditionZero);
#else
return (condition != 0) ? valueIfConditionNonZero : valueIfConditionZero;
#endif
}
template <typename T>
SIMD_FORCE_INLINE void btSwap(T &a, T &b)
{
T tmp = a;
a = b;
b = tmp;
}
//PCK: endian swapping functions
SIMD_FORCE_INLINE unsigned btSwapEndian(unsigned val)
{
return (((val & 0xff000000) >> 24) | ((val & 0x00ff0000) >> 8) | ((val & 0x0000ff00) << 8) | ((val & 0x000000ff) << 24));
}
SIMD_FORCE_INLINE unsigned short btSwapEndian(unsigned short val)
{
return static_cast<unsigned short>(((val & 0xff00) >> 8) | ((val & 0x00ff) << 8));
}
SIMD_FORCE_INLINE unsigned btSwapEndian(int val)
{
return btSwapEndian((unsigned)val);
}
SIMD_FORCE_INLINE unsigned short btSwapEndian(short val)
{
return btSwapEndian((unsigned short)val);
}
///btSwapFloat uses using char pointers to swap the endianness
////btSwapFloat/btSwapDouble will NOT return a float, because the machine might 'correct' invalid floating point values
///Not all values of sign/exponent/mantissa are valid floating point numbers according to IEEE 754.
///When a floating point unit is faced with an invalid value, it may actually change the value, or worse, throw an exception.
///In most systems, running user mode code, you wouldn't get an exception, but instead the hardware/os/runtime will 'fix' the number for you.
///so instead of returning a float/double, we return integer/long long integer
SIMD_FORCE_INLINE unsigned int btSwapEndianFloat(float d)
{
unsigned int a = 0;
unsigned char *dst = (unsigned char *)&a;
unsigned char *src = (unsigned char *)&d;
dst[0] = src[3];
dst[1] = src[2];
dst[2] = src[1];
dst[3] = src[0];
return a;
}
// unswap using char pointers
SIMD_FORCE_INLINE float btUnswapEndianFloat(unsigned int a)
{
float d = 0.0f;
unsigned char *src = (unsigned char *)&a;
unsigned char *dst = (unsigned char *)&d;
dst[0] = src[3];
dst[1] = src[2];
dst[2] = src[1];
dst[3] = src[0];
return d;
}
// swap using char pointers
SIMD_FORCE_INLINE void btSwapEndianDouble(double d, unsigned char *dst)
{
unsigned char *src = (unsigned char *)&d;
dst[0] = src[7];
dst[1] = src[6];
dst[2] = src[5];
dst[3] = src[4];
dst[4] = src[3];
dst[5] = src[2];
dst[6] = src[1];
dst[7] = src[0];
}
// unswap using char pointers
SIMD_FORCE_INLINE double btUnswapEndianDouble(const unsigned char *src)
{
double d = 0.0;
unsigned char *dst = (unsigned char *)&d;
dst[0] = src[7];
dst[1] = src[6];
dst[2] = src[5];
dst[3] = src[4];
dst[4] = src[3];
dst[5] = src[2];
dst[6] = src[1];
dst[7] = src[0];
return d;
}
template <typename T>
SIMD_FORCE_INLINE void btSetZero(T *a, int n)
{
T *acurr = a;
size_t ncurr = n;
while (ncurr > 0)
{
*(acurr++) = 0;
--ncurr;
}
}
SIMD_FORCE_INLINE btScalar btLargeDot(const btScalar *a, const btScalar *b, int n)
{
btScalar p0, q0, m0, p1, q1, m1, sum;
sum = 0;
n -= 2;
while (n >= 0)
{
p0 = a[0];
q0 = b[0];
m0 = p0 * q0;
p1 = a[1];
q1 = b[1];
m1 = p1 * q1;
sum += m0;
sum += m1;
a += 2;
b += 2;
n -= 2;
}
n += 2;
while (n > 0)
{
sum += (*a) * (*b);
a++;
b++;
n--;
}
return sum;
}
// returns normalized value in range [-SIMD_PI, SIMD_PI]
SIMD_FORCE_INLINE btScalar btNormalizeAngle(btScalar angleInRadians)
{
angleInRadians = btFmod(angleInRadians, SIMD_2_PI);
if (angleInRadians < -SIMD_PI)
{
return angleInRadians + SIMD_2_PI;
}
else if (angleInRadians > SIMD_PI)
{
return angleInRadians - SIMD_2_PI;
}
else
{
return angleInRadians;
}
}
///rudimentary class to provide type info
struct btTypedObject
{
btTypedObject(int objectType)
: m_objectType(objectType)
{
}
int m_objectType;
inline int getObjectType() const
{
return m_objectType;
}
};
///align a pointer to the provided alignment, upwards
template <typename T>
T *btAlignPointer(T *unalignedPtr, size_t alignment)
{
struct btConvertPointerSizeT
{
union {
T *ptr;
size_t integer;
};
};
btConvertPointerSizeT converter;
const size_t bit_mask = ~(alignment - 1);
converter.ptr = unalignedPtr;
converter.integer += alignment - 1;
converter.integer &= bit_mask;
return converter.ptr;
}
#endif //BT_SCALAR_H

View File

@ -0,0 +1,599 @@
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char(4),char(0),char(-12),char(0),char(75),char(0),char(41),char(0),char(61),char(0),char(-74),char(0),char(20),char(0),char(-71),char(0),char(20),char(0),char(-70),char(0),
char(14),char(0),char(-55),char(0),char(14),char(0),char(-54),char(0),char(14),char(0),char(-44),char(0),char(14),char(0),char(-43),char(0),char(14),char(0),char(-42),char(0),
char(14),char(0),char(-41),char(0),char(14),char(0),char(-40),char(0),char(14),char(0),char(-39),char(0),char(14),char(0),char(-38),char(0),char(14),char(0),char(-37),char(0),
char(14),char(0),char(-36),char(0),char(14),char(0),char(-35),char(0),char(14),char(0),char(-34),char(0),char(0),char(0),char(-33),char(0),char(0),char(0),char(-32),char(0),
char(0),char(0),char(-31),char(0),char(0),char(0),char(-30),char(0),char(0),char(0),char(-29),char(0),char(0),char(0),char(-59),char(0),char(14),char(0),char(-53),char(0),
char(14),char(0),char(-52),char(0),char(14),char(0),char(-28),char(0),char(14),char(0),char(-27),char(0),char(14),char(0),char(-26),char(0),char(14),char(0),char(-25),char(0),
char(14),char(0),char(-24),char(0),char(14),char(0),char(-23),char(0),char(14),char(0),char(-22),char(0),char(14),char(0),char(-21),char(0),char(14),char(0),char(-20),char(0),
char(14),char(0),char(-19),char(0),char(14),char(0),char(-18),char(0),char(0),char(0),char(-17),char(0),char(0),char(0),char(-16),char(0),char(0),char(0),char(-15),char(0),
char(0),char(0),char(-14),char(0),char(0),char(0),char(-13),char(0),char(4),char(0),char(-12),char(0),char(76),char(0),char(9),char(0),char(59),char(0),char(-74),char(0),
char(19),char(0),char(-71),char(0),char(19),char(0),char(-70),char(0),char(7),char(0),char(-55),char(0),char(7),char(0),char(-54),char(0),char(7),char(0),char(-53),char(0),
char(7),char(0),char(-52),char(0),char(4),char(0),char(-51),char(0),char(4),char(0),char(-50),char(0),char(77),char(0),char(9),char(0),char(61),char(0),char(-74),char(0),
char(20),char(0),char(-71),char(0),char(20),char(0),char(-70),char(0),char(8),char(0),char(-55),char(0),char(8),char(0),char(-54),char(0),char(8),char(0),char(-53),char(0),
char(8),char(0),char(-52),char(0),char(4),char(0),char(-51),char(0),char(4),char(0),char(-50),char(0),char(78),char(0),char(5),char(0),char(58),char(0),char(-74),char(0),
char(13),char(0),char(-11),char(0),char(13),char(0),char(-10),char(0),char(7),char(0),char(-9),char(0),char(0),char(0),char(37),char(0),char(79),char(0),char(4),char(0),
char(61),char(0),char(-74),char(0),char(14),char(0),char(-11),char(0),char(14),char(0),char(-10),char(0),char(8),char(0),char(-9),char(0),char(80),char(0),char(4),char(0),
char(7),char(0),char(-8),char(0),char(7),char(0),char(-7),char(0),char(7),char(0),char(-6),char(0),char(4),char(0),char(79),char(0),char(81),char(0),char(10),char(0),
char(80),char(0),char(-5),char(0),char(13),char(0),char(-4),char(0),char(13),char(0),char(-3),char(0),char(13),char(0),char(-2),char(0),char(13),char(0),char(-1),char(0),
char(13),char(0),char(0),char(1),char(7),char(0),char(-99),char(0),char(7),char(0),char(1),char(1),char(4),char(0),char(2),char(1),char(4),char(0),char(53),char(0),
char(82),char(0),char(4),char(0),char(80),char(0),char(-5),char(0),char(4),char(0),char(3),char(1),char(7),char(0),char(4),char(1),char(4),char(0),char(5),char(1),
char(83),char(0),char(4),char(0),char(13),char(0),char(0),char(1),char(80),char(0),char(-5),char(0),char(4),char(0),char(6),char(1),char(7),char(0),char(7),char(1),
char(84),char(0),char(7),char(0),char(13),char(0),char(8),char(1),char(80),char(0),char(-5),char(0),char(4),char(0),char(9),char(1),char(7),char(0),char(10),char(1),
char(7),char(0),char(11),char(1),char(7),char(0),char(12),char(1),char(4),char(0),char(53),char(0),char(85),char(0),char(6),char(0),char(17),char(0),char(13),char(1),
char(13),char(0),char(11),char(1),char(13),char(0),char(14),char(1),char(60),char(0),char(15),char(1),char(4),char(0),char(16),char(1),char(7),char(0),char(12),char(1),
char(86),char(0),char(26),char(0),char(4),char(0),char(17),char(1),char(7),char(0),char(18),char(1),char(7),char(0),char(127),char(0),char(7),char(0),char(19),char(1),
char(7),char(0),char(20),char(1),char(7),char(0),char(21),char(1),char(7),char(0),char(22),char(1),char(7),char(0),char(23),char(1),char(7),char(0),char(24),char(1),
char(7),char(0),char(25),char(1),char(7),char(0),char(26),char(1),char(7),char(0),char(27),char(1),char(7),char(0),char(28),char(1),char(7),char(0),char(29),char(1),
char(7),char(0),char(30),char(1),char(7),char(0),char(31),char(1),char(7),char(0),char(32),char(1),char(7),char(0),char(33),char(1),char(7),char(0),char(34),char(1),
char(7),char(0),char(35),char(1),char(7),char(0),char(36),char(1),char(4),char(0),char(37),char(1),char(4),char(0),char(38),char(1),char(4),char(0),char(39),char(1),
char(4),char(0),char(40),char(1),char(4),char(0),char(120),char(0),char(87),char(0),char(12),char(0),char(17),char(0),char(41),char(1),char(17),char(0),char(42),char(1),
char(17),char(0),char(43),char(1),char(13),char(0),char(44),char(1),char(13),char(0),char(45),char(1),char(7),char(0),char(46),char(1),char(4),char(0),char(47),char(1),
char(4),char(0),char(48),char(1),char(4),char(0),char(49),char(1),char(4),char(0),char(50),char(1),char(7),char(0),char(10),char(1),char(4),char(0),char(53),char(0),
char(88),char(0),char(27),char(0),char(19),char(0),char(51),char(1),char(17),char(0),char(52),char(1),char(17),char(0),char(53),char(1),char(13),char(0),char(44),char(1),
char(13),char(0),char(54),char(1),char(13),char(0),char(55),char(1),char(13),char(0),char(56),char(1),char(13),char(0),char(57),char(1),char(13),char(0),char(58),char(1),
char(4),char(0),char(59),char(1),char(7),char(0),char(60),char(1),char(4),char(0),char(61),char(1),char(4),char(0),char(62),char(1),char(4),char(0),char(63),char(1),
char(7),char(0),char(64),char(1),char(7),char(0),char(65),char(1),char(4),char(0),char(66),char(1),char(4),char(0),char(67),char(1),char(7),char(0),char(68),char(1),
char(7),char(0),char(69),char(1),char(7),char(0),char(70),char(1),char(7),char(0),char(71),char(1),char(7),char(0),char(72),char(1),char(7),char(0),char(73),char(1),
char(4),char(0),char(74),char(1),char(4),char(0),char(75),char(1),char(4),char(0),char(76),char(1),char(89),char(0),char(12),char(0),char(9),char(0),char(77),char(1),
char(9),char(0),char(78),char(1),char(13),char(0),char(79),char(1),char(7),char(0),char(80),char(1),char(7),char(0),char(-125),char(0),char(7),char(0),char(81),char(1),
char(4),char(0),char(82),char(1),char(13),char(0),char(83),char(1),char(4),char(0),char(84),char(1),char(4),char(0),char(85),char(1),char(4),char(0),char(86),char(1),
char(4),char(0),char(53),char(0),char(90),char(0),char(19),char(0),char(50),char(0),char(-109),char(0),char(87),char(0),char(87),char(1),char(80),char(0),char(88),char(1),
char(81),char(0),char(89),char(1),char(82),char(0),char(90),char(1),char(83),char(0),char(91),char(1),char(84),char(0),char(92),char(1),char(85),char(0),char(93),char(1),
char(88),char(0),char(94),char(1),char(89),char(0),char(95),char(1),char(4),char(0),char(96),char(1),char(4),char(0),char(62),char(1),char(4),char(0),char(97),char(1),
char(4),char(0),char(98),char(1),char(4),char(0),char(99),char(1),char(4),char(0),char(100),char(1),char(4),char(0),char(101),char(1),char(4),char(0),char(102),char(1),
char(86),char(0),char(103),char(1),char(91),char(0),char(24),char(0),char(16),char(0),char(104),char(1),char(14),char(0),char(105),char(1),char(14),char(0),char(106),char(1),
char(14),char(0),char(107),char(1),char(14),char(0),char(108),char(1),char(14),char(0),char(109),char(1),char(8),char(0),char(110),char(1),char(4),char(0),char(111),char(1),
char(4),char(0),char(86),char(1),char(4),char(0),char(112),char(1),char(4),char(0),char(113),char(1),char(8),char(0),char(114),char(1),char(8),char(0),char(115),char(1),
char(8),char(0),char(116),char(1),char(8),char(0),char(117),char(1),char(8),char(0),char(118),char(1),char(8),char(0),char(119),char(1),char(8),char(0),char(120),char(1),
char(8),char(0),char(121),char(1),char(8),char(0),char(122),char(1),char(0),char(0),char(123),char(1),char(0),char(0),char(124),char(1),char(49),char(0),char(125),char(1),
char(0),char(0),char(126),char(1),char(92),char(0),char(24),char(0),char(15),char(0),char(104),char(1),char(13),char(0),char(105),char(1),char(13),char(0),char(106),char(1),
char(13),char(0),char(107),char(1),char(13),char(0),char(108),char(1),char(13),char(0),char(109),char(1),char(4),char(0),char(112),char(1),char(7),char(0),char(110),char(1),
char(4),char(0),char(111),char(1),char(4),char(0),char(86),char(1),char(7),char(0),char(114),char(1),char(7),char(0),char(115),char(1),char(7),char(0),char(116),char(1),
char(4),char(0),char(113),char(1),char(7),char(0),char(117),char(1),char(7),char(0),char(118),char(1),char(7),char(0),char(119),char(1),char(7),char(0),char(120),char(1),
char(7),char(0),char(121),char(1),char(7),char(0),char(122),char(1),char(0),char(0),char(123),char(1),char(0),char(0),char(124),char(1),char(50),char(0),char(125),char(1),
char(0),char(0),char(126),char(1),char(93),char(0),char(9),char(0),char(20),char(0),char(127),char(1),char(14),char(0),char(-128),char(1),char(8),char(0),char(-127),char(1),
char(0),char(0),char(-126),char(1),char(91),char(0),char(90),char(1),char(49),char(0),char(-125),char(1),char(0),char(0),char(126),char(1),char(4),char(0),char(97),char(1),
char(0),char(0),char(37),char(0),char(94),char(0),char(7),char(0),char(0),char(0),char(-126),char(1),char(92),char(0),char(90),char(1),char(50),char(0),char(-125),char(1),
char(19),char(0),char(127),char(1),char(13),char(0),char(-128),char(1),char(7),char(0),char(-127),char(1),char(4),char(0),char(97),char(1),};
int sBulletDNAlen= sizeof(sBulletDNAstr);

View File

@ -0,0 +1,908 @@
/*
Bullet Continuous Collision Detection and Physics Library
Copyright (c) 2003-2009 Erwin Coumans http://bulletphysics.org
This software is provided 'as-is', without any express or implied warranty.
In no event will the authors be held liable for any damages arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it freely,
subject to the following restrictions:
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.
2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
#ifndef BT_SERIALIZER_H
#define BT_SERIALIZER_H
#include "btScalar.h" // has definitions like SIMD_FORCE_INLINE
#include "btHashMap.h"
#if !defined( __CELLOS_LV2__) && !defined(__MWERKS__)
#include <memory.h>
#endif
#include <string.h>
extern char sBulletDNAstr[];
extern int sBulletDNAlen;
extern char sBulletDNAstr64[];
extern int sBulletDNAlen64;
SIMD_FORCE_INLINE int btStrLen(const char* str)
{
if (!str)
return(0);
int len = 0;
while (*str != 0)
{
str++;
len++;
}
return len;
}
class btChunk
{
public:
int m_chunkCode;
int m_length;
void *m_oldPtr;
int m_dna_nr;
int m_number;
};
enum btSerializationFlags
{
BT_SERIALIZE_NO_BVH = 1,
BT_SERIALIZE_NO_TRIANGLEINFOMAP = 2,
BT_SERIALIZE_NO_DUPLICATE_ASSERT = 4
};
class btSerializer
{
public:
virtual ~btSerializer() {}
virtual const unsigned char* getBufferPointer() const = 0;
virtual int getCurrentBufferSize() const = 0;
virtual btChunk* allocate(size_t size, int numElements) = 0;
virtual void finalizeChunk(btChunk* chunk, const char* structType, int chunkCode,void* oldPtr)= 0;
virtual void* findPointer(void* oldPtr) = 0;
virtual void* getUniquePointer(void*oldPtr) = 0;
virtual void startSerialization() = 0;
virtual void finishSerialization() = 0;
virtual const char* findNameForPointer(const void* ptr) const = 0;
virtual void registerNameForPointer(const void* ptr, const char* name) = 0;
virtual void serializeName(const char* ptr) = 0;
virtual int getSerializationFlags() const = 0;
virtual void setSerializationFlags(int flags) = 0;
virtual int getNumChunks() const = 0;
virtual const btChunk* getChunk(int chunkIndex) const = 0;
};
#define BT_HEADER_LENGTH 12
#if defined(__sgi) || defined (__sparc) || defined (__sparc__) || defined (__PPC__) || defined (__ppc__) || defined (__BIG_ENDIAN__)
# define BT_MAKE_ID(a,b,c,d) ( (int)(a)<<24 | (int)(b)<<16 | (c)<<8 | (d) )
#else
# define BT_MAKE_ID(a,b,c,d) ( (int)(d)<<24 | (int)(c)<<16 | (b)<<8 | (a) )
#endif
#define BT_MULTIBODY_CODE BT_MAKE_ID('M','B','D','Y')
#define BT_SOFTBODY_CODE BT_MAKE_ID('S','B','D','Y')
#define BT_COLLISIONOBJECT_CODE BT_MAKE_ID('C','O','B','J')
#define BT_RIGIDBODY_CODE BT_MAKE_ID('R','B','D','Y')
#define BT_CONSTRAINT_CODE BT_MAKE_ID('C','O','N','S')
#define BT_BOXSHAPE_CODE BT_MAKE_ID('B','O','X','S')
#define BT_QUANTIZED_BVH_CODE BT_MAKE_ID('Q','B','V','H')
#define BT_TRIANLGE_INFO_MAP BT_MAKE_ID('T','M','A','P')
#define BT_SHAPE_CODE BT_MAKE_ID('S','H','A','P')
#define BT_ARRAY_CODE BT_MAKE_ID('A','R','A','Y')
#define BT_SBMATERIAL_CODE BT_MAKE_ID('S','B','M','T')
#define BT_SBNODE_CODE BT_MAKE_ID('S','B','N','D')
#define BT_DYNAMICSWORLD_CODE BT_MAKE_ID('D','W','L','D')
#define BT_DNA_CODE BT_MAKE_ID('D','N','A','1')
struct btPointerUid
{
union
{
void* m_ptr;
int m_uniqueIds[2];
};
};
struct btBulletSerializedArrays
{
btBulletSerializedArrays()
{
}
btAlignedObjectArray<struct btQuantizedBvhDoubleData*> m_bvhsDouble;
btAlignedObjectArray<struct btQuantizedBvhFloatData*> m_bvhsFloat;
btAlignedObjectArray<struct btCollisionShapeData*> m_colShapeData;
btAlignedObjectArray<struct btDynamicsWorldDoubleData*> m_dynamicWorldInfoDataDouble;
btAlignedObjectArray<struct btDynamicsWorldFloatData*> m_dynamicWorldInfoDataFloat;
btAlignedObjectArray<struct btRigidBodyDoubleData*> m_rigidBodyDataDouble;
btAlignedObjectArray<struct btRigidBodyFloatData*> m_rigidBodyDataFloat;
btAlignedObjectArray<struct btCollisionObjectDoubleData*> m_collisionObjectDataDouble;
btAlignedObjectArray<struct btCollisionObjectFloatData*> m_collisionObjectDataFloat;
btAlignedObjectArray<struct btTypedConstraintFloatData*> m_constraintDataFloat;
btAlignedObjectArray<struct btTypedConstraintDoubleData*> m_constraintDataDouble;
btAlignedObjectArray<struct btTypedConstraintData*> m_constraintData;//for backwards compatibility
btAlignedObjectArray<struct btSoftBodyFloatData*> m_softBodyFloatData;
btAlignedObjectArray<struct btSoftBodyDoubleData*> m_softBodyDoubleData;
};
///The btDefaultSerializer is the main Bullet serialization class.
///The constructor takes an optional argument for backwards compatibility, it is recommended to leave this empty/zero.
class btDefaultSerializer : public btSerializer
{
protected:
btAlignedObjectArray<char*> mTypes;
btAlignedObjectArray<short*> mStructs;
btAlignedObjectArray<short> mTlens;
btHashMap<btHashInt, int> mStructReverse;
btHashMap<btHashString,int> mTypeLookup;
btHashMap<btHashPtr,void*> m_chunkP;
btHashMap<btHashPtr,const char*> m_nameMap;
btHashMap<btHashPtr,btPointerUid> m_uniquePointers;
int m_uniqueIdGenerator;
int m_totalSize;
unsigned char* m_buffer;
bool m_ownsBuffer;
int m_currentSize;
void* m_dna;
int m_dnaLength;
int m_serializationFlags;
btAlignedObjectArray<btChunk*> m_chunkPtrs;
protected:
virtual void* findPointer(void* oldPtr)
{
void** ptr = m_chunkP.find(oldPtr);
if (ptr && *ptr)
return *ptr;
return 0;
}
virtual void writeDNA()
{
btChunk* dnaChunk = allocate(m_dnaLength,1);
memcpy(dnaChunk->m_oldPtr,m_dna,m_dnaLength);
finalizeChunk(dnaChunk,"DNA1",BT_DNA_CODE, m_dna);
}
int getReverseType(const char *type) const
{
btHashString key(type);
const int* valuePtr = mTypeLookup.find(key);
if (valuePtr)
return *valuePtr;
return -1;
}
void initDNA(const char* bdnaOrg,int dnalen)
{
///was already initialized
if (m_dna)
return;
int littleEndian= 1;
littleEndian= ((char*)&littleEndian)[0];
m_dna = btAlignedAlloc(dnalen,16);
memcpy(m_dna,bdnaOrg,dnalen);
m_dnaLength = dnalen;
int *intPtr=0;
short *shtPtr=0;
char *cp = 0;int dataLen =0;
intPtr = (int*)m_dna;
/*
SDNA (4 bytes) (magic number)
NAME (4 bytes)
<nr> (4 bytes) amount of names (int)
<string>
<string>
*/
if (strncmp((const char*)m_dna, "SDNA", 4)==0)
{
// skip ++ NAME
intPtr++; intPtr++;
}
// Parse names
if (!littleEndian)
*intPtr = btSwapEndian(*intPtr);
dataLen = *intPtr;
intPtr++;
cp = (char*)intPtr;
int i;
for ( i=0; i<dataLen; i++)
{
while (*cp)cp++;
cp++;
}
cp = btAlignPointer(cp,4);
/*
TYPE (4 bytes)
<nr> amount of types (int)
<string>
<string>
*/
intPtr = (int*)cp;
btAssert(strncmp(cp, "TYPE", 4)==0); intPtr++;
if (!littleEndian)
*intPtr = btSwapEndian(*intPtr);
dataLen = *intPtr;
intPtr++;
cp = (char*)intPtr;
for (i=0; i<dataLen; i++)
{
mTypes.push_back(cp);
while (*cp)cp++;
cp++;
}
cp = btAlignPointer(cp,4);
/*
TLEN (4 bytes)
<len> (short) the lengths of types
<len>
*/
// Parse type lens
intPtr = (int*)cp;
btAssert(strncmp(cp, "TLEN", 4)==0); intPtr++;
dataLen = (int)mTypes.size();
shtPtr = (short*)intPtr;
for (i=0; i<dataLen; i++, shtPtr++)
{
if (!littleEndian)
shtPtr[0] = btSwapEndian(shtPtr[0]);
mTlens.push_back(shtPtr[0]);
}
if (dataLen & 1) shtPtr++;
/*
STRC (4 bytes)
<nr> amount of structs (int)
<typenr>
<nr_of_elems>
<typenr>
<namenr>
<typenr>
<namenr>
*/
intPtr = (int*)shtPtr;
cp = (char*)intPtr;
btAssert(strncmp(cp, "STRC", 4)==0); intPtr++;
if (!littleEndian)
*intPtr = btSwapEndian(*intPtr);
dataLen = *intPtr ;
intPtr++;
shtPtr = (short*)intPtr;
for (i=0; i<dataLen; i++)
{
mStructs.push_back (shtPtr);
if (!littleEndian)
{
shtPtr[0]= btSwapEndian(shtPtr[0]);
shtPtr[1]= btSwapEndian(shtPtr[1]);
int len = shtPtr[1];
shtPtr+= 2;
for (int a=0; a<len; a++, shtPtr+=2)
{
shtPtr[0]= btSwapEndian(shtPtr[0]);
shtPtr[1]= btSwapEndian(shtPtr[1]);
}
} else
{
shtPtr+= (2*shtPtr[1])+2;
}
}
// build reverse lookups
for (i=0; i<(int)mStructs.size(); i++)
{
short *strc = mStructs.at(i);
mStructReverse.insert(strc[0], i);
mTypeLookup.insert(btHashString(mTypes[strc[0]]),i);
}
}
public:
btHashMap<btHashPtr,void*> m_skipPointers;
btDefaultSerializer(int totalSize=0, unsigned char* buffer=0)
:m_uniqueIdGenerator(0),
m_totalSize(totalSize),
m_currentSize(0),
m_dna(0),
m_dnaLength(0),
m_serializationFlags(0)
{
if (buffer==0)
{
m_buffer = m_totalSize?(unsigned char*)btAlignedAlloc(totalSize,16):0;
m_ownsBuffer = true;
} else
{
m_buffer = buffer;
m_ownsBuffer = false;
}
const bool VOID_IS_8 = ((sizeof(void*)==8));
#ifdef BT_INTERNAL_UPDATE_SERIALIZATION_STRUCTURES
if (VOID_IS_8)
{
#if _WIN64
initDNA((const char*)sBulletDNAstr64,sBulletDNAlen64);
#else
btAssert(0);
#endif
} else
{
#ifndef _WIN64
initDNA((const char*)sBulletDNAstr,sBulletDNAlen);
#else
btAssert(0);
#endif
}
#else //BT_INTERNAL_UPDATE_SERIALIZATION_STRUCTURES
if (VOID_IS_8)
{
initDNA((const char*)sBulletDNAstr64,sBulletDNAlen64);
} else
{
initDNA((const char*)sBulletDNAstr,sBulletDNAlen);
}
#endif //BT_INTERNAL_UPDATE_SERIALIZATION_STRUCTURES
}
virtual ~btDefaultSerializer()
{
if (m_buffer && m_ownsBuffer)
btAlignedFree(m_buffer);
if (m_dna)
btAlignedFree(m_dna);
}
static int getMemoryDnaSizeInBytes()
{
const bool VOID_IS_8 = ((sizeof(void*) == 8));
if (VOID_IS_8)
{
return sBulletDNAlen64;
}
return sBulletDNAlen;
}
static const char* getMemoryDna()
{
const bool VOID_IS_8 = ((sizeof(void*) == 8));
if (VOID_IS_8)
{
return (const char*)sBulletDNAstr64;
}
return (const char*)sBulletDNAstr;
}
void insertHeader()
{
writeHeader(m_buffer);
m_currentSize += BT_HEADER_LENGTH;
}
void writeHeader(unsigned char* buffer) const
{
#ifdef BT_USE_DOUBLE_PRECISION
memcpy(buffer, "BULLETd", 7);
#else
memcpy(buffer, "BULLETf", 7);
#endif //BT_USE_DOUBLE_PRECISION
int littleEndian= 1;
littleEndian= ((char*)&littleEndian)[0];
if (sizeof(void*)==8)
{
buffer[7] = '-';
} else
{
buffer[7] = '_';
}
if (littleEndian)
{
buffer[8]='v';
} else
{
buffer[8]='V';
}
buffer[9] = '2';
buffer[10] = '8';
buffer[11] = '7';
}
virtual void startSerialization()
{
m_uniqueIdGenerator= 1;
if (m_totalSize)
{
unsigned char* buffer = internalAlloc(BT_HEADER_LENGTH);
writeHeader(buffer);
}
}
virtual void finishSerialization()
{
writeDNA();
//if we didn't pre-allocate a buffer, we need to create a contiguous buffer now
int mysize = 0;
if (!m_totalSize)
{
if (m_buffer)
btAlignedFree(m_buffer);
m_currentSize += BT_HEADER_LENGTH;
m_buffer = (unsigned char*)btAlignedAlloc(m_currentSize,16);
unsigned char* currentPtr = m_buffer;
writeHeader(m_buffer);
currentPtr += BT_HEADER_LENGTH;
mysize+=BT_HEADER_LENGTH;
for (int i=0;i< m_chunkPtrs.size();i++)
{
int curLength = sizeof(btChunk)+m_chunkPtrs[i]->m_length;
memcpy(currentPtr,m_chunkPtrs[i], curLength);
btAlignedFree(m_chunkPtrs[i]);
currentPtr+=curLength;
mysize+=curLength;
}
}
mTypes.clear();
mStructs.clear();
mTlens.clear();
mStructReverse.clear();
mTypeLookup.clear();
m_skipPointers.clear();
m_chunkP.clear();
m_nameMap.clear();
m_uniquePointers.clear();
m_chunkPtrs.clear();
}
virtual void* getUniquePointer(void*oldPtr)
{
btAssert(m_uniqueIdGenerator >= 0);
if (!oldPtr)
return 0;
btPointerUid* uptr = (btPointerUid*)m_uniquePointers.find(oldPtr);
if (uptr)
{
return uptr->m_ptr;
}
void** ptr2 = m_skipPointers[oldPtr];
if (ptr2)
{
return 0;
}
m_uniqueIdGenerator++;
btPointerUid uid;
uid.m_uniqueIds[0] = m_uniqueIdGenerator;
uid.m_uniqueIds[1] = m_uniqueIdGenerator;
m_uniquePointers.insert(oldPtr,uid);
return uid.m_ptr;
}
virtual const unsigned char* getBufferPointer() const
{
return m_buffer;
}
virtual int getCurrentBufferSize() const
{
return m_currentSize;
}
virtual void finalizeChunk(btChunk* chunk, const char* structType, int chunkCode,void* oldPtr)
{
if (!(m_serializationFlags&BT_SERIALIZE_NO_DUPLICATE_ASSERT))
{
btAssert(!findPointer(oldPtr));
}
chunk->m_dna_nr = getReverseType(structType);
chunk->m_chunkCode = chunkCode;
void* uniquePtr = getUniquePointer(oldPtr);
m_chunkP.insert(oldPtr,uniquePtr);//chunk->m_oldPtr);
chunk->m_oldPtr = uniquePtr;//oldPtr;
}
virtual unsigned char* internalAlloc(size_t size)
{
unsigned char* ptr = 0;
if (m_totalSize)
{
ptr = m_buffer+m_currentSize;
m_currentSize += int(size);
btAssert(m_currentSize<m_totalSize);
} else
{
ptr = (unsigned char*)btAlignedAlloc(size,16);
m_currentSize += int(size);
}
return ptr;
}
virtual btChunk* allocate(size_t size, int numElements)
{
unsigned char* ptr = internalAlloc(int(size)*numElements+sizeof(btChunk));
unsigned char* data = ptr + sizeof(btChunk);
btChunk* chunk = (btChunk*)ptr;
chunk->m_chunkCode = 0;
chunk->m_oldPtr = data;
chunk->m_length = int(size)*numElements;
chunk->m_number = numElements;
m_chunkPtrs.push_back(chunk);
return chunk;
}
virtual const char* findNameForPointer(const void* ptr) const
{
const char*const * namePtr = m_nameMap.find(ptr);
if (namePtr && *namePtr)
return *namePtr;
return 0;
}
virtual void registerNameForPointer(const void* ptr, const char* name)
{
m_nameMap.insert(ptr,name);
}
virtual void serializeName(const char* name)
{
if (name)
{
//don't serialize name twice
if (findPointer((void*)name))
return;
int len = btStrLen(name);
if (len)
{
int newLen = len+1;
int padding = ((newLen+3)&~3)-newLen;
newLen += padding;
//serialize name string now
btChunk* chunk = allocate(sizeof(char),newLen);
char* destinationName = (char*)chunk->m_oldPtr;
for (int i=0;i<len;i++)
{
destinationName[i] = name[i];
}
destinationName[len] = 0;
finalizeChunk(chunk,"char",BT_ARRAY_CODE,(void*)name);
}
}
}
virtual int getSerializationFlags() const
{
return m_serializationFlags;
}
virtual void setSerializationFlags(int flags)
{
m_serializationFlags = flags;
}
int getNumChunks() const
{
return m_chunkPtrs.size();
}
const btChunk* getChunk(int chunkIndex) const
{
return m_chunkPtrs[chunkIndex];
}
};
///In general it is best to use btDefaultSerializer,
///in particular when writing the data to disk or sending it over the network.
///The btInMemorySerializer is experimental and only suitable in a few cases.
///The btInMemorySerializer takes a shortcut and can be useful to create a deep-copy
///of objects. There will be a demo on how to use the btInMemorySerializer.
#ifdef ENABLE_INMEMORY_SERIALIZER
struct btInMemorySerializer : public btDefaultSerializer
{
btHashMap<btHashPtr,btChunk*> m_uid2ChunkPtr;
btHashMap<btHashPtr,void*> m_orgPtr2UniqueDataPtr;
btHashMap<btHashString,const void*> m_names2Ptr;
btBulletSerializedArrays m_arrays;
btInMemorySerializer(int totalSize=0, unsigned char* buffer=0)
:btDefaultSerializer(totalSize,buffer)
{
}
virtual void startSerialization()
{
m_uid2ChunkPtr.clear();
//todo: m_arrays.clear();
btDefaultSerializer::startSerialization();
}
btChunk* findChunkFromUniquePointer(void* uniquePointer)
{
btChunk** chkPtr = m_uid2ChunkPtr[uniquePointer];
if (chkPtr)
{
return *chkPtr;
}
return 0;
}
virtual void registerNameForPointer(const void* ptr, const char* name)
{
btDefaultSerializer::registerNameForPointer(ptr,name);
m_names2Ptr.insert(name,ptr);
}
virtual void finishSerialization()
{
}
virtual void* getUniquePointer(void*oldPtr)
{
if (oldPtr==0)
return 0;
// void* uniquePtr = getUniquePointer(oldPtr);
btChunk* chunk = findChunkFromUniquePointer(oldPtr);
if (chunk)
{
return chunk->m_oldPtr;
} else
{
const char* n = (const char*) oldPtr;
const void** ptr = m_names2Ptr[n];
if (ptr)
{
return oldPtr;
} else
{
void** ptr2 = m_skipPointers[oldPtr];
if (ptr2)
{
return 0;
} else
{
//If this assert hit, serialization happened in the wrong order
// 'getUniquePointer'
btAssert(0);
}
}
return 0;
}
return oldPtr;
}
virtual void finalizeChunk(btChunk* chunk, const char* structType, int chunkCode,void* oldPtr)
{
if (!(m_serializationFlags&BT_SERIALIZE_NO_DUPLICATE_ASSERT))
{
btAssert(!findPointer(oldPtr));
}
chunk->m_dna_nr = getReverseType(structType);
chunk->m_chunkCode = chunkCode;
//void* uniquePtr = getUniquePointer(oldPtr);
m_chunkP.insert(oldPtr,oldPtr);//chunk->m_oldPtr);
// chunk->m_oldPtr = uniquePtr;//oldPtr;
void* uid = findPointer(oldPtr);
m_uid2ChunkPtr.insert(uid,chunk);
switch (chunk->m_chunkCode)
{
case BT_SOFTBODY_CODE:
{
#ifdef BT_USE_DOUBLE_PRECISION
m_arrays.m_softBodyDoubleData.push_back((btSoftBodyDoubleData*) chunk->m_oldPtr);
#else
m_arrays.m_softBodyFloatData.push_back((btSoftBodyFloatData*) chunk->m_oldPtr);
#endif
break;
}
case BT_COLLISIONOBJECT_CODE:
{
#ifdef BT_USE_DOUBLE_PRECISION
m_arrays.m_collisionObjectDataDouble.push_back((btCollisionObjectDoubleData*)chunk->m_oldPtr);
#else//BT_USE_DOUBLE_PRECISION
m_arrays.m_collisionObjectDataFloat.push_back((btCollisionObjectFloatData*)chunk->m_oldPtr);
#endif //BT_USE_DOUBLE_PRECISION
break;
}
case BT_RIGIDBODY_CODE:
{
#ifdef BT_USE_DOUBLE_PRECISION
m_arrays.m_rigidBodyDataDouble.push_back((btRigidBodyDoubleData*)chunk->m_oldPtr);
#else
m_arrays.m_rigidBodyDataFloat.push_back((btRigidBodyFloatData*)chunk->m_oldPtr);
#endif//BT_USE_DOUBLE_PRECISION
break;
};
case BT_CONSTRAINT_CODE:
{
#ifdef BT_USE_DOUBLE_PRECISION
m_arrays.m_constraintDataDouble.push_back((btTypedConstraintDoubleData*)chunk->m_oldPtr);
#else
m_arrays.m_constraintDataFloat.push_back((btTypedConstraintFloatData*)chunk->m_oldPtr);
#endif
break;
}
case BT_QUANTIZED_BVH_CODE:
{
#ifdef BT_USE_DOUBLE_PRECISION
m_arrays.m_bvhsDouble.push_back((btQuantizedBvhDoubleData*) chunk->m_oldPtr);
#else
m_arrays.m_bvhsFloat.push_back((btQuantizedBvhFloatData*) chunk->m_oldPtr);
#endif
break;
}
case BT_SHAPE_CODE:
{
btCollisionShapeData* shapeData = (btCollisionShapeData*) chunk->m_oldPtr;
m_arrays.m_colShapeData.push_back(shapeData);
break;
}
case BT_TRIANLGE_INFO_MAP:
case BT_ARRAY_CODE:
case BT_SBMATERIAL_CODE:
case BT_SBNODE_CODE:
case BT_DYNAMICSWORLD_CODE:
case BT_DNA_CODE:
{
break;
}
default:
{
}
};
}
int getNumChunks() const
{
return m_uid2ChunkPtr.size();
}
const btChunk* getChunk(int chunkIndex) const
{
return *m_uid2ChunkPtr.getAtIndex(chunkIndex);
}
};
#endif //ENABLE_INMEMORY_SERIALIZER
#endif //BT_SERIALIZER_H

View File

@ -0,0 +1,599 @@
char sBulletDNAstr64[]= {
char(83),char(68),char(78),char(65),char(78),char(65),char(77),char(69),char(-124),char(1),char(0),char(0),char(109),char(95),char(115),char(105),char(122),char(101),char(0),char(109),
char(95),char(99),char(97),char(112),char(97),char(99),char(105),char(116),char(121),char(0),char(42),char(109),char(95),char(100),char(97),char(116),char(97),char(0),char(109),char(95),
char(99),char(111),char(108),char(108),char(105),char(115),char(105),char(111),char(110),char(83),char(104),char(97),char(112),char(101),char(115),char(0),char(109),char(95),char(99),char(111),
char(108),char(108),char(105),char(115),char(105),char(111),char(110),char(79),char(98),char(106),char(101),char(99),char(116),char(115),char(0),char(109),char(95),char(99),char(111),char(110),
char(115),char(116),char(114),char(97),char(105),char(110),char(116),char(115),char(0),char(42),char(102),char(105),char(114),char(115),char(116),char(0),char(42),char(108),char(97),char(115),
char(116),char(0),char(109),char(95),char(102),char(108),char(111),char(97),char(116),char(115),char(91),char(52),char(93),char(0),char(109),char(95),char(101),char(108),char(91),char(51),
char(93),char(0),char(109),char(95),char(98),char(97),char(115),char(105),char(115),char(0),char(109),char(95),char(111),char(114),char(105),char(103),char(105),char(110),char(0),char(109),
char(95),char(114),char(111),char(111),char(116),char(78),char(111),char(100),char(101),char(73),char(110),char(100),char(101),char(120),char(0),char(109),char(95),char(115),char(117),char(98),
char(116),char(114),char(101),char(101),char(83),char(105),char(122),char(101),char(0),char(109),char(95),char(113),char(117),char(97),char(110),char(116),char(105),char(122),char(101),char(100),
char(65),char(97),char(98),char(98),char(77),char(105),char(110),char(91),char(51),char(93),char(0),char(109),char(95),char(113),char(117),char(97),char(110),char(116),char(105),char(122),
char(101),char(100),char(65),char(97),char(98),char(98),char(77),char(97),char(120),char(91),char(51),char(93),char(0),char(109),char(95),char(97),char(97),char(98),char(98),char(77),
char(105),char(110),char(79),char(114),char(103),char(0),char(109),char(95),char(97),char(97),char(98),char(98),char(77),char(97),char(120),char(79),char(114),char(103),char(0),char(109),
char(95),char(101),char(115),char(99),char(97),char(112),char(101),char(73),char(110),char(100),char(101),char(120),char(0),char(109),char(95),char(115),char(117),char(98),char(80),char(97),
char(114),char(116),char(0),char(109),char(95),char(116),char(114),char(105),char(97),char(110),char(103),char(108),char(101),char(73),char(110),char(100),char(101),char(120),char(0),char(109),
char(95),char(112),char(97),char(100),char(91),char(52),char(93),char(0),char(109),char(95),char(101),char(115),char(99),char(97),char(112),char(101),char(73),char(110),char(100),char(101),
char(120),char(79),char(114),char(84),char(114),char(105),char(97),char(110),char(103),char(108),char(101),char(73),char(110),char(100),char(101),char(120),char(0),char(109),char(95),char(98),
char(118),char(104),char(65),char(97),char(98),char(98),char(77),char(105),char(110),char(0),char(109),char(95),char(98),char(118),char(104),char(65),char(97),char(98),char(98),char(77),
char(97),char(120),char(0),char(109),char(95),char(98),char(118),char(104),char(81),char(117),char(97),char(110),char(116),char(105),char(122),char(97),char(116),char(105),char(111),char(110),
char(0),char(109),char(95),char(99),char(117),char(114),char(78),char(111),char(100),char(101),char(73),char(110),char(100),char(101),char(120),char(0),char(109),char(95),char(117),char(115),
char(101),char(81),char(117),char(97),char(110),char(116),char(105),char(122),char(97),char(116),char(105),char(111),char(110),char(0),char(109),char(95),char(110),char(117),char(109),char(67),
char(111),char(110),char(116),char(105),char(103),char(117),char(111),char(117),char(115),char(76),char(101),char(97),char(102),char(78),char(111),char(100),char(101),char(115),char(0),char(109),
char(95),char(110),char(117),char(109),char(81),char(117),char(97),char(110),char(116),char(105),char(122),char(101),char(100),char(67),char(111),char(110),char(116),char(105),char(103),char(117),
char(111),char(117),char(115),char(78),char(111),char(100),char(101),char(115),char(0),char(42),char(109),char(95),char(99),char(111),char(110),char(116),char(105),char(103),char(117),char(111),
char(117),char(115),char(78),char(111),char(100),char(101),char(115),char(80),char(116),char(114),char(0),char(42),char(109),char(95),char(113),char(117),char(97),char(110),char(116),char(105),
char(122),char(101),char(100),char(67),char(111),char(110),char(116),char(105),char(103),char(117),char(111),char(117),char(115),char(78),char(111),char(100),char(101),char(115),char(80),char(116),
char(114),char(0),char(42),char(109),char(95),char(115),char(117),char(98),char(84),char(114),char(101),char(101),char(73),char(110),char(102),char(111),char(80),char(116),char(114),char(0),
char(109),char(95),char(116),char(114),char(97),char(118),char(101),char(114),char(115),char(97),char(108),char(77),char(111),char(100),char(101),char(0),char(109),char(95),char(110),char(117),
char(109),char(83),char(117),char(98),char(116),char(114),char(101),char(101),char(72),char(101),char(97),char(100),char(101),char(114),char(115),char(0),char(42),char(109),char(95),char(110),
char(97),char(109),char(101),char(0),char(109),char(95),char(115),char(104),char(97),char(112),char(101),char(84),char(121),char(112),char(101),char(0),char(109),char(95),char(112),char(97),
char(100),char(100),char(105),char(110),char(103),char(91),char(52),char(93),char(0),char(109),char(95),char(99),char(111),char(108),char(108),char(105),char(115),char(105),char(111),char(110),
char(83),char(104),char(97),char(112),char(101),char(68),char(97),char(116),char(97),char(0),char(109),char(95),char(108),char(111),char(99),char(97),char(108),char(83),char(99),char(97),
char(108),char(105),char(110),char(103),char(0),char(109),char(95),char(112),char(108),char(97),char(110),char(101),char(78),char(111),char(114),char(109),char(97),char(108),char(0),char(109),
char(95),char(112),char(108),char(97),char(110),char(101),char(67),char(111),char(110),char(115),char(116),char(97),char(110),char(116),char(0),char(109),char(95),char(105),char(109),char(112),
char(108),char(105),char(99),char(105),char(116),char(83),char(104),char(97),char(112),char(101),char(68),char(105),char(109),char(101),char(110),char(115),char(105),char(111),char(110),char(115),
char(0),char(109),char(95),char(99),char(111),char(108),char(108),char(105),char(115),char(105),char(111),char(110),char(77),char(97),char(114),char(103),char(105),char(110),char(0),char(109),
char(95),char(112),char(97),char(100),char(100),char(105),char(110),char(103),char(0),char(109),char(95),char(112),char(111),char(115),char(0),char(109),char(95),char(114),char(97),char(100),
char(105),char(117),char(115),char(0),char(109),char(95),char(99),char(111),char(110),char(118),char(101),char(120),char(73),char(110),char(116),char(101),char(114),char(110),char(97),char(108),
char(83),char(104),char(97),char(112),char(101),char(68),char(97),char(116),char(97),char(0),char(42),char(109),char(95),char(108),char(111),char(99),char(97),char(108),char(80),char(111),
char(115),char(105),char(116),char(105),char(111),char(110),char(65),char(114),char(114),char(97),char(121),char(80),char(116),char(114),char(0),char(109),char(95),char(108),char(111),char(99),
char(97),char(108),char(80),char(111),char(115),char(105),char(116),char(105),char(111),char(110),char(65),char(114),char(114),char(97),char(121),char(83),char(105),char(122),char(101),char(0),
char(109),char(95),char(118),char(97),char(108),char(117),char(101),char(0),char(109),char(95),char(112),char(97),char(100),char(91),char(50),char(93),char(0),char(109),char(95),char(118),
char(97),char(108),char(117),char(101),char(115),char(91),char(51),char(93),char(0),char(109),char(95),char(112),char(97),char(100),char(0),char(42),char(109),char(95),char(118),char(101),
char(114),char(116),char(105),char(99),char(101),char(115),char(51),char(102),char(0),char(42),char(109),char(95),char(118),char(101),char(114),char(116),char(105),char(99),char(101),char(115),
char(51),char(100),char(0),char(42),char(109),char(95),char(105),char(110),char(100),char(105),char(99),char(101),char(115),char(51),char(50),char(0),char(42),char(109),char(95),char(51),
char(105),char(110),char(100),char(105),char(99),char(101),char(115),char(49),char(54),char(0),char(42),char(109),char(95),char(51),char(105),char(110),char(100),char(105),char(99),char(101),
char(115),char(56),char(0),char(42),char(109),char(95),char(105),char(110),char(100),char(105),char(99),char(101),char(115),char(49),char(54),char(0),char(109),char(95),char(110),char(117),
char(109),char(84),char(114),char(105),char(97),char(110),char(103),char(108),char(101),char(115),char(0),char(109),char(95),char(110),char(117),char(109),char(86),char(101),char(114),char(116),
char(105),char(99),char(101),char(115),char(0),char(42),char(109),char(95),char(109),char(101),char(115),char(104),char(80),char(97),char(114),char(116),char(115),char(80),char(116),char(114),
char(0),char(109),char(95),char(115),char(99),char(97),char(108),char(105),char(110),char(103),char(0),char(109),char(95),char(110),char(117),char(109),char(77),char(101),char(115),char(104),
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int sBulletDNAlen64= sizeof(sBulletDNAstr64);

View File

@ -0,0 +1,331 @@
/*
Copyright (c) 2003-2015 Erwin Coumans, Jakub Stepien
This software is provided 'as-is', without any express or implied warranty.
In no event will the authors be held liable for any damages arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it freely,
subject to the following restrictions:
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.
2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
///These spatial algebra classes are used for btMultiBody,
///see BulletDynamics/Featherstone
#ifndef BT_SPATIAL_ALGEBRA_H
#define BT_SPATIAL_ALGEBRA_H
#include "btMatrix3x3.h"
struct btSpatialForceVector
{
btVector3 m_topVec, m_bottomVec;
//
btSpatialForceVector() { setZero(); }
btSpatialForceVector(const btVector3 &angular, const btVector3 &linear) : m_topVec(linear), m_bottomVec(angular) {}
btSpatialForceVector(const btScalar &ax, const btScalar &ay, const btScalar &az, const btScalar &lx, const btScalar &ly, const btScalar &lz)
{
setValue(ax, ay, az, lx, ly, lz);
}
//
void setVector(const btVector3 &angular, const btVector3 &linear) { m_topVec = linear; m_bottomVec = angular; }
void setValue(const btScalar &ax, const btScalar &ay, const btScalar &az, const btScalar &lx, const btScalar &ly, const btScalar &lz)
{
m_bottomVec.setValue(ax, ay, az); m_topVec.setValue(lx, ly, lz);
}
//
void addVector(const btVector3 &angular, const btVector3 &linear) { m_topVec += linear; m_bottomVec += angular; }
void addValue(const btScalar &ax, const btScalar &ay, const btScalar &az, const btScalar &lx, const btScalar &ly, const btScalar &lz)
{
m_bottomVec[0] += ax; m_bottomVec[1] += ay; m_bottomVec[2] += az;
m_topVec[0] += lx; m_topVec[1] += ly; m_topVec[2] += lz;
}
//
const btVector3 & getLinear() const { return m_topVec; }
const btVector3 & getAngular() const { return m_bottomVec; }
//
void setLinear(const btVector3 &linear) { m_topVec = linear; }
void setAngular(const btVector3 &angular) { m_bottomVec = angular; }
//
void addAngular(const btVector3 &angular) { m_bottomVec += angular; }
void addLinear(const btVector3 &linear) { m_topVec += linear; }
//
void setZero() { m_topVec.setZero(); m_bottomVec.setZero(); }
//
btSpatialForceVector & operator += (const btSpatialForceVector &vec) { m_topVec += vec.m_topVec; m_bottomVec += vec.m_bottomVec; return *this; }
btSpatialForceVector & operator -= (const btSpatialForceVector &vec) { m_topVec -= vec.m_topVec; m_bottomVec -= vec.m_bottomVec; return *this; }
btSpatialForceVector operator - (const btSpatialForceVector &vec) const { return btSpatialForceVector(m_bottomVec - vec.m_bottomVec, m_topVec - vec.m_topVec); }
btSpatialForceVector operator + (const btSpatialForceVector &vec) const { return btSpatialForceVector(m_bottomVec + vec.m_bottomVec, m_topVec + vec.m_topVec); }
btSpatialForceVector operator - () const { return btSpatialForceVector(-m_bottomVec, -m_topVec); }
btSpatialForceVector operator * (const btScalar &s) const { return btSpatialForceVector(s * m_bottomVec, s * m_topVec); }
//btSpatialForceVector & operator = (const btSpatialForceVector &vec) { m_topVec = vec.m_topVec; m_bottomVec = vec.m_bottomVec; return *this; }
};
struct btSpatialMotionVector
{
btVector3 m_topVec, m_bottomVec;
//
btSpatialMotionVector() { setZero(); }
btSpatialMotionVector(const btVector3 &angular, const btVector3 &linear) : m_topVec(angular), m_bottomVec(linear) {}
//
void setVector(const btVector3 &angular, const btVector3 &linear) { m_topVec = angular; m_bottomVec = linear; }
void setValue(const btScalar &ax, const btScalar &ay, const btScalar &az, const btScalar &lx, const btScalar &ly, const btScalar &lz)
{
m_topVec.setValue(ax, ay, az); m_bottomVec.setValue(lx, ly, lz);
}
//
void addVector(const btVector3 &angular, const btVector3 &linear) { m_topVec += linear; m_bottomVec += angular; }
void addValue(const btScalar &ax, const btScalar &ay, const btScalar &az, const btScalar &lx, const btScalar &ly, const btScalar &lz)
{
m_topVec[0] += ax; m_topVec[1] += ay; m_topVec[2] += az;
m_bottomVec[0] += lx; m_bottomVec[1] += ly; m_bottomVec[2] += lz;
}
//
const btVector3 & getAngular() const { return m_topVec; }
const btVector3 & getLinear() const { return m_bottomVec; }
//
void setAngular(const btVector3 &angular) { m_topVec = angular; }
void setLinear(const btVector3 &linear) { m_bottomVec = linear; }
//
void addAngular(const btVector3 &angular) { m_topVec += angular; }
void addLinear(const btVector3 &linear) { m_bottomVec += linear; }
//
void setZero() { m_topVec.setZero(); m_bottomVec.setZero(); }
//
btScalar dot(const btSpatialForceVector &b) const
{
return m_bottomVec.dot(b.m_topVec) + m_topVec.dot(b.m_bottomVec);
}
//
template<typename SpatialVectorType>
void cross(const SpatialVectorType &b, SpatialVectorType &out) const
{
out.m_topVec = m_topVec.cross(b.m_topVec);
out.m_bottomVec = m_bottomVec.cross(b.m_topVec) + m_topVec.cross(b.m_bottomVec);
}
template<typename SpatialVectorType>
SpatialVectorType cross(const SpatialVectorType &b) const
{
SpatialVectorType out;
out.m_topVec = m_topVec.cross(b.m_topVec);
out.m_bottomVec = m_bottomVec.cross(b.m_topVec) + m_topVec.cross(b.m_bottomVec);
return out;
}
//
btSpatialMotionVector & operator += (const btSpatialMotionVector &vec) { m_topVec += vec.m_topVec; m_bottomVec += vec.m_bottomVec; return *this; }
btSpatialMotionVector & operator -= (const btSpatialMotionVector &vec) { m_topVec -= vec.m_topVec; m_bottomVec -= vec.m_bottomVec; return *this; }
btSpatialMotionVector & operator *= (const btScalar &s) { m_topVec *= s; m_bottomVec *= s; return *this; }
btSpatialMotionVector operator - (const btSpatialMotionVector &vec) const { return btSpatialMotionVector(m_topVec - vec.m_topVec, m_bottomVec - vec.m_bottomVec); }
btSpatialMotionVector operator + (const btSpatialMotionVector &vec) const { return btSpatialMotionVector(m_topVec + vec.m_topVec, m_bottomVec + vec.m_bottomVec); }
btSpatialMotionVector operator - () const { return btSpatialMotionVector(-m_topVec, -m_bottomVec); }
btSpatialMotionVector operator * (const btScalar &s) const { return btSpatialMotionVector(s * m_topVec, s * m_bottomVec); }
};
struct btSymmetricSpatialDyad
{
btMatrix3x3 m_topLeftMat, m_topRightMat, m_bottomLeftMat;
//
btSymmetricSpatialDyad() { setIdentity(); }
btSymmetricSpatialDyad(const btMatrix3x3 &topLeftMat, const btMatrix3x3 &topRightMat, const btMatrix3x3 &bottomLeftMat) { setMatrix(topLeftMat, topRightMat, bottomLeftMat); }
//
void setMatrix(const btMatrix3x3 &topLeftMat, const btMatrix3x3 &topRightMat, const btMatrix3x3 &bottomLeftMat)
{
m_topLeftMat = topLeftMat;
m_topRightMat = topRightMat;
m_bottomLeftMat = bottomLeftMat;
}
//
void addMatrix(const btMatrix3x3 &topLeftMat, const btMatrix3x3 &topRightMat, const btMatrix3x3 &bottomLeftMat)
{
m_topLeftMat += topLeftMat;
m_topRightMat += topRightMat;
m_bottomLeftMat += bottomLeftMat;
}
//
void setIdentity() { m_topLeftMat.setIdentity(); m_topRightMat.setIdentity(); m_bottomLeftMat.setIdentity(); }
//
btSymmetricSpatialDyad & operator -= (const btSymmetricSpatialDyad &mat)
{
m_topLeftMat -= mat.m_topLeftMat;
m_topRightMat -= mat.m_topRightMat;
m_bottomLeftMat -= mat.m_bottomLeftMat;
return *this;
}
//
btSpatialForceVector operator * (const btSpatialMotionVector &vec)
{
return btSpatialForceVector(m_bottomLeftMat * vec.m_topVec + m_topLeftMat.transpose() * vec.m_bottomVec, m_topLeftMat * vec.m_topVec + m_topRightMat * vec.m_bottomVec);
}
};
struct btSpatialTransformationMatrix
{
btMatrix3x3 m_rotMat; //btMatrix3x3 m_trnCrossMat;
btVector3 m_trnVec;
//
enum eOutputOperation
{
None = 0,
Add = 1,
Subtract = 2
};
//
template<typename SpatialVectorType>
void transform( const SpatialVectorType &inVec,
SpatialVectorType &outVec,
eOutputOperation outOp = None)
{
if(outOp == None)
{
outVec.m_topVec = m_rotMat * inVec.m_topVec;
outVec.m_bottomVec = -m_trnVec.cross(outVec.m_topVec) + m_rotMat * inVec.m_bottomVec;
}
else if(outOp == Add)
{
outVec.m_topVec += m_rotMat * inVec.m_topVec;
outVec.m_bottomVec += -m_trnVec.cross(outVec.m_topVec) + m_rotMat * inVec.m_bottomVec;
}
else if(outOp == Subtract)
{
outVec.m_topVec -= m_rotMat * inVec.m_topVec;
outVec.m_bottomVec -= -m_trnVec.cross(outVec.m_topVec) + m_rotMat * inVec.m_bottomVec;
}
}
template<typename SpatialVectorType>
void transformRotationOnly( const SpatialVectorType &inVec,
SpatialVectorType &outVec,
eOutputOperation outOp = None)
{
if(outOp == None)
{
outVec.m_topVec = m_rotMat * inVec.m_topVec;
outVec.m_bottomVec = m_rotMat * inVec.m_bottomVec;
}
else if(outOp == Add)
{
outVec.m_topVec += m_rotMat * inVec.m_topVec;
outVec.m_bottomVec += m_rotMat * inVec.m_bottomVec;
}
else if(outOp == Subtract)
{
outVec.m_topVec -= m_rotMat * inVec.m_topVec;
outVec.m_bottomVec -= m_rotMat * inVec.m_bottomVec;
}
}
template<typename SpatialVectorType>
void transformInverse( const SpatialVectorType &inVec,
SpatialVectorType &outVec,
eOutputOperation outOp = None)
{
if(outOp == None)
{
outVec.m_topVec = m_rotMat.transpose() * inVec.m_topVec;
outVec.m_bottomVec = m_rotMat.transpose() * (inVec.m_bottomVec + m_trnVec.cross(inVec.m_topVec));
}
else if(outOp == Add)
{
outVec.m_topVec += m_rotMat.transpose() * inVec.m_topVec;
outVec.m_bottomVec += m_rotMat.transpose() * (inVec.m_bottomVec + m_trnVec.cross(inVec.m_topVec));
}
else if(outOp == Subtract)
{
outVec.m_topVec -= m_rotMat.transpose() * inVec.m_topVec;
outVec.m_bottomVec -= m_rotMat.transpose() * (inVec.m_bottomVec + m_trnVec.cross(inVec.m_topVec));
}
}
template<typename SpatialVectorType>
void transformInverseRotationOnly( const SpatialVectorType &inVec,
SpatialVectorType &outVec,
eOutputOperation outOp = None)
{
if(outOp == None)
{
outVec.m_topVec = m_rotMat.transpose() * inVec.m_topVec;
outVec.m_bottomVec = m_rotMat.transpose() * inVec.m_bottomVec;
}
else if(outOp == Add)
{
outVec.m_topVec += m_rotMat.transpose() * inVec.m_topVec;
outVec.m_bottomVec += m_rotMat.transpose() * inVec.m_bottomVec;
}
else if(outOp == Subtract)
{
outVec.m_topVec -= m_rotMat.transpose() * inVec.m_topVec;
outVec.m_bottomVec -= m_rotMat.transpose() * inVec.m_bottomVec;
}
}
void transformInverse( const btSymmetricSpatialDyad &inMat,
btSymmetricSpatialDyad &outMat,
eOutputOperation outOp = None)
{
const btMatrix3x3 r_cross( 0, -m_trnVec[2], m_trnVec[1],
m_trnVec[2], 0, -m_trnVec[0],
-m_trnVec[1], m_trnVec[0], 0);
if(outOp == None)
{
outMat.m_topLeftMat = m_rotMat.transpose() * ( inMat.m_topLeftMat - inMat.m_topRightMat * r_cross ) * m_rotMat;
outMat.m_topRightMat = m_rotMat.transpose() * inMat.m_topRightMat * m_rotMat;
outMat.m_bottomLeftMat = m_rotMat.transpose() * (r_cross * (inMat.m_topLeftMat - inMat.m_topRightMat * r_cross) + inMat.m_bottomLeftMat - inMat.m_topLeftMat.transpose() * r_cross) * m_rotMat;
}
else if(outOp == Add)
{
outMat.m_topLeftMat += m_rotMat.transpose() * ( inMat.m_topLeftMat - inMat.m_topRightMat * r_cross ) * m_rotMat;
outMat.m_topRightMat += m_rotMat.transpose() * inMat.m_topRightMat * m_rotMat;
outMat.m_bottomLeftMat += m_rotMat.transpose() * (r_cross * (inMat.m_topLeftMat - inMat.m_topRightMat * r_cross) + inMat.m_bottomLeftMat - inMat.m_topLeftMat.transpose() * r_cross) * m_rotMat;
}
else if(outOp == Subtract)
{
outMat.m_topLeftMat -= m_rotMat.transpose() * ( inMat.m_topLeftMat - inMat.m_topRightMat * r_cross ) * m_rotMat;
outMat.m_topRightMat -= m_rotMat.transpose() * inMat.m_topRightMat * m_rotMat;
outMat.m_bottomLeftMat -= m_rotMat.transpose() * (r_cross * (inMat.m_topLeftMat - inMat.m_topRightMat * r_cross) + inMat.m_bottomLeftMat - inMat.m_topLeftMat.transpose() * r_cross) * m_rotMat;
}
}
template<typename SpatialVectorType>
SpatialVectorType operator * (const SpatialVectorType &vec)
{
SpatialVectorType out;
transform(vec, out);
return out;
}
};
template<typename SpatialVectorType>
void symmetricSpatialOuterProduct(const SpatialVectorType &a, const SpatialVectorType &b, btSymmetricSpatialDyad &out)
{
//output op maybe?
out.m_topLeftMat = outerProduct(a.m_topVec, b.m_bottomVec);
out.m_topRightMat = outerProduct(a.m_topVec, b.m_topVec);
out.m_topLeftMat = outerProduct(a.m_bottomVec, b.m_bottomVec);
//maybe simple a*spatTranspose(a) would be nicer?
}
template<typename SpatialVectorType>
btSymmetricSpatialDyad symmetricSpatialOuterProduct(const SpatialVectorType &a, const SpatialVectorType &b)
{
btSymmetricSpatialDyad out;
out.m_topLeftMat = outerProduct(a.m_topVec, b.m_bottomVec);
out.m_topRightMat = outerProduct(a.m_topVec, b.m_topVec);
out.m_bottomLeftMat = outerProduct(a.m_bottomVec, b.m_bottomVec);
return out;
//maybe simple a*spatTranspose(a) would be nicer?
}
#endif //BT_SPATIAL_ALGEBRA_H

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/*
Copyright (c) 2003-2006 Gino van den Bergen / Erwin Coumans http://continuousphysics.com/Bullet/
This software is provided 'as-is', without any express or implied warranty.
In no event will the authors be held liable for any damages arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it freely,
subject to the following restrictions:
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.
2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
/*
StackAlloc extracted from GJK-EPA collision solver by Nathanael Presson
Nov.2006
*/
#ifndef BT_STACK_ALLOC
#define BT_STACK_ALLOC
#include "btScalar.h" //for btAssert
#include "btAlignedAllocator.h"
///The btBlock class is an internal structure for the btStackAlloc memory allocator.
struct btBlock
{
btBlock* previous;
unsigned char* address;
};
///The StackAlloc class provides some fast stack-based memory allocator (LIFO last-in first-out)
class btStackAlloc
{
public:
btStackAlloc(unsigned int size) { ctor();create(size); }
~btStackAlloc() { destroy(); }
inline void create(unsigned int size)
{
destroy();
data = (unsigned char*) btAlignedAlloc(size,16);
totalsize = size;
}
inline void destroy()
{
btAssert(usedsize==0);
//Raise(L"StackAlloc is still in use");
if(usedsize==0)
{
if(!ischild && data)
btAlignedFree(data);
data = 0;
usedsize = 0;
}
}
int getAvailableMemory() const
{
return static_cast<int>(totalsize - usedsize);
}
unsigned char* allocate(unsigned int size)
{
const unsigned int nus(usedsize+size);
if(nus<totalsize)
{
usedsize=nus;
return(data+(usedsize-size));
}
btAssert(0);
//&& (L"Not enough memory"));
return(0);
}
SIMD_FORCE_INLINE btBlock* beginBlock()
{
btBlock* pb = (btBlock*)allocate(sizeof(btBlock));
pb->previous = current;
pb->address = data+usedsize;
current = pb;
return(pb);
}
SIMD_FORCE_INLINE void endBlock(btBlock* block)
{
btAssert(block==current);
//Raise(L"Unmatched blocks");
if(block==current)
{
current = block->previous;
usedsize = (unsigned int)((block->address-data)-sizeof(btBlock));
}
}
private:
void ctor()
{
data = 0;
totalsize = 0;
usedsize = 0;
current = 0;
ischild = false;
}
unsigned char* data;
unsigned int totalsize;
unsigned int usedsize;
btBlock* current;
bool ischild;
};
#endif //BT_STACK_ALLOC

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/*
Copyright (c) 2003-2014 Erwin Coumans http://bullet.googlecode.com
This software is provided 'as-is', without any express or implied warranty.
In no event will the authors be held liable for any damages arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it freely,
subject to the following restrictions:
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.
2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
#include "btThreads.h"
#include "btQuickprof.h"
#include <algorithm> // for min and max
#if BT_USE_OPENMP && BT_THREADSAFE
#include <omp.h>
#endif // #if BT_USE_OPENMP && BT_THREADSAFE
#if BT_USE_PPL && BT_THREADSAFE
// use Microsoft Parallel Patterns Library (installed with Visual Studio 2010 and later)
#include <ppl.h> // if you get a compile error here, check whether your version of Visual Studio includes PPL
// Visual Studio 2010 and later should come with it
#include <concrtrm.h> // for GetProcessorCount()
#endif // #if BT_USE_PPL && BT_THREADSAFE
#if BT_USE_TBB && BT_THREADSAFE
// use Intel Threading Building Blocks for thread management
#define __TBB_NO_IMPLICIT_LINKAGE 1
#include <tbb/tbb.h>
#include <tbb/task_scheduler_init.h>
#include <tbb/parallel_for.h>
#include <tbb/blocked_range.h>
#endif // #if BT_USE_TBB && BT_THREADSAFE
#if BT_THREADSAFE
//
// Lightweight spin-mutex based on atomics
// Using ordinary system-provided mutexes like Windows critical sections was noticeably slower
// presumably because when it fails to lock at first it would sleep the thread and trigger costly
// context switching.
//
#if __cplusplus >= 201103L
// for anything claiming full C++11 compliance, use C++11 atomics
// on GCC or Clang you need to compile with -std=c++11
#define USE_CPP11_ATOMICS 1
#elif defined( _MSC_VER )
// on MSVC, use intrinsics instead
#define USE_MSVC_INTRINSICS 1
#elif defined( __GNUC__ ) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 7))
// available since GCC 4.7 and some versions of clang
// todo: check for clang
#define USE_GCC_BUILTIN_ATOMICS 1
#elif defined( __GNUC__ ) && (__GNUC__ == 4 && __GNUC_MINOR__ >= 1)
// available since GCC 4.1
#define USE_GCC_BUILTIN_ATOMICS_OLD 1
#endif
#if USE_CPP11_ATOMICS
#include <atomic>
#include <thread>
#define THREAD_LOCAL_STATIC thread_local static
bool btSpinMutex::tryLock()
{
std::atomic<int>* aDest = reinterpret_cast<std::atomic<int>*>(&mLock);
int expected = 0;
return std::atomic_compare_exchange_weak_explicit( aDest, &expected, int(1), std::memory_order_acq_rel, std::memory_order_acquire );
}
void btSpinMutex::lock()
{
// note: this lock does not sleep the thread.
while (! tryLock())
{
// spin
}
}
void btSpinMutex::unlock()
{
std::atomic<int>* aDest = reinterpret_cast<std::atomic<int>*>(&mLock);
std::atomic_store_explicit( aDest, int(0), std::memory_order_release );
}
#elif USE_MSVC_INTRINSICS
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#include <intrin.h>
#define THREAD_LOCAL_STATIC __declspec( thread ) static
bool btSpinMutex::tryLock()
{
volatile long* aDest = reinterpret_cast<long*>(&mLock);
return ( 0 == _InterlockedCompareExchange( aDest, 1, 0) );
}
void btSpinMutex::lock()
{
// note: this lock does not sleep the thread
while (! tryLock())
{
// spin
}
}
void btSpinMutex::unlock()
{
volatile long* aDest = reinterpret_cast<long*>( &mLock );
_InterlockedExchange( aDest, 0 );
}
#elif USE_GCC_BUILTIN_ATOMICS
#define THREAD_LOCAL_STATIC static __thread
bool btSpinMutex::tryLock()
{
int expected = 0;
bool weak = false;
const int memOrderSuccess = __ATOMIC_ACQ_REL;
const int memOrderFail = __ATOMIC_ACQUIRE;
return __atomic_compare_exchange_n(&mLock, &expected, int(1), weak, memOrderSuccess, memOrderFail);
}
void btSpinMutex::lock()
{
// note: this lock does not sleep the thread
while (! tryLock())
{
// spin
}
}
void btSpinMutex::unlock()
{
__atomic_store_n(&mLock, int(0), __ATOMIC_RELEASE);
}
#elif USE_GCC_BUILTIN_ATOMICS_OLD
#define THREAD_LOCAL_STATIC static __thread
bool btSpinMutex::tryLock()
{
return __sync_bool_compare_and_swap(&mLock, int(0), int(1));
}
void btSpinMutex::lock()
{
// note: this lock does not sleep the thread
while (! tryLock())
{
// spin
}
}
void btSpinMutex::unlock()
{
// write 0
__sync_fetch_and_and(&mLock, int(0));
}
#else //#elif USE_MSVC_INTRINSICS
#error "no threading primitives defined -- unknown platform"
#endif //#else //#elif USE_MSVC_INTRINSICS
#else //#if BT_THREADSAFE
// These should not be called ever
void btSpinMutex::lock()
{
btAssert( !"unimplemented btSpinMutex::lock() called" );
}
void btSpinMutex::unlock()
{
btAssert( !"unimplemented btSpinMutex::unlock() called" );
}
bool btSpinMutex::tryLock()
{
btAssert( !"unimplemented btSpinMutex::tryLock() called" );
return true;
}
#define THREAD_LOCAL_STATIC static
#endif // #else //#if BT_THREADSAFE
struct ThreadsafeCounter
{
unsigned int mCounter;
btSpinMutex mMutex;
ThreadsafeCounter()
{
mCounter = 0;
--mCounter; // first count should come back 0
}
unsigned int getNext()
{
// no need to optimize this with atomics, it is only called ONCE per thread!
mMutex.lock();
mCounter++;
if ( mCounter >= BT_MAX_THREAD_COUNT )
{
btAssert( !"thread counter exceeded" );
// wrap back to the first worker index
mCounter = 1;
}
unsigned int val = mCounter;
mMutex.unlock();
return val;
}
};
static btITaskScheduler* gBtTaskScheduler;
static int gThreadsRunningCounter = 0; // useful for detecting if we are trying to do nested parallel-for calls
static btSpinMutex gThreadsRunningCounterMutex;
static ThreadsafeCounter gThreadCounter;
//
// BT_DETECT_BAD_THREAD_INDEX tries to detect when there are multiple threads assigned the same thread index.
//
// BT_DETECT_BAD_THREAD_INDEX is a developer option to test if
// certain assumptions about how the task scheduler manages its threads
// holds true.
// The main assumption is:
// - when the threadpool is resized, the task scheduler either
// 1. destroys all worker threads and creates all new ones in the correct number, OR
// 2. never destroys a worker thread
//
// We make that assumption because we can't easily enumerate the worker threads of a task scheduler
// to assign nice sequential thread-indexes. We also do not get notified if a worker thread is destroyed,
// so we can't tell when a thread-index is no longer being used.
// We allocate thread-indexes as needed with a sequential global thread counter.
//
// Our simple thread-counting scheme falls apart if the task scheduler destroys some threads but
// continues to re-use other threads and the application repeatedly resizes the thread pool of the
// task scheduler.
// In order to prevent the thread-counter from exceeding the global max (BT_MAX_THREAD_COUNT), we
// wrap the thread counter back to 1. This should only happen if the worker threads have all been
// destroyed and re-created.
//
// BT_DETECT_BAD_THREAD_INDEX only works for Win32 right now,
// but could be adapted to work with pthreads
#define BT_DETECT_BAD_THREAD_INDEX 0
#if BT_DETECT_BAD_THREAD_INDEX
typedef DWORD ThreadId_t;
const static ThreadId_t kInvalidThreadId = 0;
ThreadId_t gDebugThreadIds[ BT_MAX_THREAD_COUNT ];
static ThreadId_t getDebugThreadId()
{
return GetCurrentThreadId();
}
#endif // #if BT_DETECT_BAD_THREAD_INDEX
// return a unique index per thread, main thread is 0, worker threads are in [1, BT_MAX_THREAD_COUNT)
unsigned int btGetCurrentThreadIndex()
{
const unsigned int kNullIndex = ~0U;
THREAD_LOCAL_STATIC unsigned int sThreadIndex = kNullIndex;
if ( sThreadIndex == kNullIndex )
{
sThreadIndex = gThreadCounter.getNext();
btAssert( sThreadIndex < BT_MAX_THREAD_COUNT );
}
#if BT_DETECT_BAD_THREAD_INDEX
if ( gBtTaskScheduler && sThreadIndex > 0 )
{
ThreadId_t tid = getDebugThreadId();
// if not set
if ( gDebugThreadIds[ sThreadIndex ] == kInvalidThreadId )
{
// set it
gDebugThreadIds[ sThreadIndex ] = tid;
}
else
{
if ( gDebugThreadIds[ sThreadIndex ] != tid )
{
// this could indicate the task scheduler is breaking our assumptions about
// how threads are managed when threadpool is resized
btAssert( !"there are 2 or more threads with the same thread-index!" );
__debugbreak();
}
}
}
#endif // #if BT_DETECT_BAD_THREAD_INDEX
return sThreadIndex;
}
bool btIsMainThread()
{
return btGetCurrentThreadIndex() == 0;
}
void btResetThreadIndexCounter()
{
// for when all current worker threads are destroyed
btAssert( btIsMainThread() );
gThreadCounter.mCounter = 0;
}
btITaskScheduler::btITaskScheduler( const char* name )
{
m_name = name;
m_savedThreadCounter = 0;
m_isActive = false;
}
void btITaskScheduler::activate()
{
// gThreadCounter is used to assign a thread-index to each worker thread in a task scheduler.
// The main thread is always thread-index 0, and worker threads are numbered from 1 to 63 (BT_MAX_THREAD_COUNT-1)
// The thread-indexes need to be unique amongst the threads that can be running simultaneously.
// Since only one task scheduler can be used at a time, it is OK for a pair of threads that belong to different
// task schedulers to share the same thread index because they can't be running at the same time.
// So each task scheduler needs to keep its own thread counter value
if ( !m_isActive )
{
gThreadCounter.mCounter = m_savedThreadCounter; // restore saved thread counter
m_isActive = true;
}
}
void btITaskScheduler::deactivate()
{
if ( m_isActive )
{
m_savedThreadCounter = gThreadCounter.mCounter; // save thread counter
m_isActive = false;
}
}
void btPushThreadsAreRunning()
{
gThreadsRunningCounterMutex.lock();
gThreadsRunningCounter++;
gThreadsRunningCounterMutex.unlock();
}
void btPopThreadsAreRunning()
{
gThreadsRunningCounterMutex.lock();
gThreadsRunningCounter--;
gThreadsRunningCounterMutex.unlock();
}
bool btThreadsAreRunning()
{
return gThreadsRunningCounter != 0;
}
void btSetTaskScheduler( btITaskScheduler* ts )
{
int threadId = btGetCurrentThreadIndex(); // make sure we call this on main thread at least once before any workers run
if ( threadId != 0 )
{
btAssert( !"btSetTaskScheduler must be called from the main thread!" );
return;
}
if ( gBtTaskScheduler )
{
// deactivate old task scheduler
gBtTaskScheduler->deactivate();
}
gBtTaskScheduler = ts;
if ( ts )
{
// activate new task scheduler
ts->activate();
}
}
btITaskScheduler* btGetTaskScheduler()
{
return gBtTaskScheduler;
}
void btParallelFor( int iBegin, int iEnd, int grainSize, const btIParallelForBody& body )
{
#if BT_THREADSAFE
#if BT_DETECT_BAD_THREAD_INDEX
if ( !btThreadsAreRunning() )
{
// clear out thread ids
for ( int i = 0; i < BT_MAX_THREAD_COUNT; ++i )
{
gDebugThreadIds[ i ] = kInvalidThreadId;
}
}
#endif // #if BT_DETECT_BAD_THREAD_INDEX
btAssert( gBtTaskScheduler != NULL ); // call btSetTaskScheduler() with a valid task scheduler first!
gBtTaskScheduler->parallelFor( iBegin, iEnd, grainSize, body );
#else // #if BT_THREADSAFE
// non-parallel version of btParallelFor
btAssert( !"called btParallelFor in non-threadsafe build. enable BT_THREADSAFE" );
body.forLoop( iBegin, iEnd );
#endif// #if BT_THREADSAFE
}
///
/// btTaskSchedulerSequential -- non-threaded implementation of task scheduler
/// (really just useful for testing performance of single threaded vs multi)
///
class btTaskSchedulerSequential : public btITaskScheduler
{
public:
btTaskSchedulerSequential() : btITaskScheduler( "Sequential" ) {}
virtual int getMaxNumThreads() const BT_OVERRIDE { return 1; }
virtual int getNumThreads() const BT_OVERRIDE { return 1; }
virtual void setNumThreads( int numThreads ) BT_OVERRIDE {}
virtual void parallelFor( int iBegin, int iEnd, int grainSize, const btIParallelForBody& body ) BT_OVERRIDE
{
BT_PROFILE( "parallelFor_sequential" );
body.forLoop( iBegin, iEnd );
}
};
#if BT_USE_OPENMP && BT_THREADSAFE
///
/// btTaskSchedulerOpenMP -- wrapper around OpenMP task scheduler
///
class btTaskSchedulerOpenMP : public btITaskScheduler
{
int m_numThreads;
public:
btTaskSchedulerOpenMP() : btITaskScheduler( "OpenMP" )
{
m_numThreads = 0;
}
virtual int getMaxNumThreads() const BT_OVERRIDE
{
return omp_get_max_threads();
}
virtual int getNumThreads() const BT_OVERRIDE
{
return m_numThreads;
}
virtual void setNumThreads( int numThreads ) BT_OVERRIDE
{
// With OpenMP, because it is a standard with various implementations, we can't
// know for sure if every implementation has the same behavior of destroying all
// previous threads when resizing the threadpool
m_numThreads = ( std::max )( 1, ( std::min )( int( BT_MAX_THREAD_COUNT ), numThreads ) );
omp_set_num_threads( 1 ); // hopefully, all previous threads get destroyed here
omp_set_num_threads( m_numThreads );
m_savedThreadCounter = 0;
if ( m_isActive )
{
btResetThreadIndexCounter();
}
}
virtual void parallelFor( int iBegin, int iEnd, int grainSize, const btIParallelForBody& body ) BT_OVERRIDE
{
BT_PROFILE( "parallelFor_OpenMP" );
btPushThreadsAreRunning();
#pragma omp parallel for schedule( static, 1 )
for ( int i = iBegin; i < iEnd; i += grainSize )
{
BT_PROFILE( "OpenMP_job" );
body.forLoop( i, ( std::min )( i + grainSize, iEnd ) );
}
btPopThreadsAreRunning();
}
};
#endif // #if BT_USE_OPENMP && BT_THREADSAFE
#if BT_USE_TBB && BT_THREADSAFE
///
/// btTaskSchedulerTBB -- wrapper around Intel Threaded Building Blocks task scheduler
///
class btTaskSchedulerTBB : public btITaskScheduler
{
int m_numThreads;
tbb::task_scheduler_init* m_tbbSchedulerInit;
public:
btTaskSchedulerTBB() : btITaskScheduler( "IntelTBB" )
{
m_numThreads = 0;
m_tbbSchedulerInit = NULL;
}
~btTaskSchedulerTBB()
{
if ( m_tbbSchedulerInit )
{
delete m_tbbSchedulerInit;
m_tbbSchedulerInit = NULL;
}
}
virtual int getMaxNumThreads() const BT_OVERRIDE
{
return tbb::task_scheduler_init::default_num_threads();
}
virtual int getNumThreads() const BT_OVERRIDE
{
return m_numThreads;
}
virtual void setNumThreads( int numThreads ) BT_OVERRIDE
{
m_numThreads = ( std::max )( 1, ( std::min )( int(BT_MAX_THREAD_COUNT), numThreads ) );
if ( m_tbbSchedulerInit )
{
// destroys all previous threads
delete m_tbbSchedulerInit;
m_tbbSchedulerInit = NULL;
}
m_tbbSchedulerInit = new tbb::task_scheduler_init( m_numThreads );
m_savedThreadCounter = 0;
if ( m_isActive )
{
btResetThreadIndexCounter();
}
}
struct BodyAdapter
{
const btIParallelForBody* mBody;
void operator()( const tbb::blocked_range<int>& range ) const
{
BT_PROFILE( "TBB_job" );
mBody->forLoop( range.begin(), range.end() );
}
};
virtual void parallelFor( int iBegin, int iEnd, int grainSize, const btIParallelForBody& body ) BT_OVERRIDE
{
BT_PROFILE( "parallelFor_TBB" );
// TBB dispatch
BodyAdapter tbbBody;
tbbBody.mBody = &body;
btPushThreadsAreRunning();
tbb::parallel_for( tbb::blocked_range<int>( iBegin, iEnd, grainSize ),
tbbBody,
tbb::simple_partitioner()
);
btPopThreadsAreRunning();
}
};
#endif // #if BT_USE_TBB && BT_THREADSAFE
#if BT_USE_PPL && BT_THREADSAFE
///
/// btTaskSchedulerPPL -- wrapper around Microsoft Parallel Patterns Lib task scheduler
///
class btTaskSchedulerPPL : public btITaskScheduler
{
int m_numThreads;
public:
btTaskSchedulerPPL() : btITaskScheduler( "PPL" )
{
m_numThreads = 0;
}
virtual int getMaxNumThreads() const BT_OVERRIDE
{
return concurrency::GetProcessorCount();
}
virtual int getNumThreads() const BT_OVERRIDE
{
return m_numThreads;
}
virtual void setNumThreads( int numThreads ) BT_OVERRIDE
{
// capping the thread count for PPL due to a thread-index issue
const int maxThreadCount = (std::min)(int(BT_MAX_THREAD_COUNT), 31);
m_numThreads = ( std::max )( 1, ( std::min )( maxThreadCount, numThreads ) );
using namespace concurrency;
if ( CurrentScheduler::Id() != -1 )
{
CurrentScheduler::Detach();
}
SchedulerPolicy policy;
{
// PPL seems to destroy threads when threadpool is shrunk, but keeps reusing old threads
// force it to destroy old threads
policy.SetConcurrencyLimits( 1, 1 );
CurrentScheduler::Create( policy );
CurrentScheduler::Detach();
}
policy.SetConcurrencyLimits( m_numThreads, m_numThreads );
CurrentScheduler::Create( policy );
m_savedThreadCounter = 0;
if ( m_isActive )
{
btResetThreadIndexCounter();
}
}
struct BodyAdapter
{
const btIParallelForBody* mBody;
int mGrainSize;
int mIndexEnd;
void operator()( int i ) const
{
BT_PROFILE( "PPL_job" );
mBody->forLoop( i, ( std::min )( i + mGrainSize, mIndexEnd ) );
}
};
virtual void parallelFor( int iBegin, int iEnd, int grainSize, const btIParallelForBody& body ) BT_OVERRIDE
{
BT_PROFILE( "parallelFor_PPL" );
// PPL dispatch
BodyAdapter pplBody;
pplBody.mBody = &body;
pplBody.mGrainSize = grainSize;
pplBody.mIndexEnd = iEnd;
btPushThreadsAreRunning();
// note: MSVC 2010 doesn't support partitioner args, so avoid them
concurrency::parallel_for( iBegin,
iEnd,
grainSize,
pplBody
);
btPopThreadsAreRunning();
}
};
#endif // #if BT_USE_PPL && BT_THREADSAFE
// create a non-threaded task scheduler (always available)
btITaskScheduler* btGetSequentialTaskScheduler()
{
static btTaskSchedulerSequential sTaskScheduler;
return &sTaskScheduler;
}
// create an OpenMP task scheduler (if available, otherwise returns null)
btITaskScheduler* btGetOpenMPTaskScheduler()
{
#if BT_USE_OPENMP && BT_THREADSAFE
static btTaskSchedulerOpenMP sTaskScheduler;
return &sTaskScheduler;
#else
return NULL;
#endif
}
// create an Intel TBB task scheduler (if available, otherwise returns null)
btITaskScheduler* btGetTBBTaskScheduler()
{
#if BT_USE_TBB && BT_THREADSAFE
static btTaskSchedulerTBB sTaskScheduler;
return &sTaskScheduler;
#else
return NULL;
#endif
}
// create a PPL task scheduler (if available, otherwise returns null)
btITaskScheduler* btGetPPLTaskScheduler()
{
#if BT_USE_PPL && BT_THREADSAFE
static btTaskSchedulerPPL sTaskScheduler;
return &sTaskScheduler;
#else
return NULL;
#endif
}

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/*
Copyright (c) 2003-2014 Erwin Coumans http://bullet.googlecode.com
This software is provided 'as-is', without any express or implied warranty.
In no event will the authors be held liable for any damages arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it freely,
subject to the following restrictions:
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.
2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
#ifndef BT_THREADS_H
#define BT_THREADS_H
#include "btScalar.h" // has definitions like SIMD_FORCE_INLINE
#if defined (_MSC_VER) && _MSC_VER >= 1600
// give us a compile error if any signatures of overriden methods is changed
#define BT_OVERRIDE override
#endif
#ifndef BT_OVERRIDE
#define BT_OVERRIDE
#endif
const unsigned int BT_MAX_THREAD_COUNT = 64; // only if BT_THREADSAFE is 1
// for internal use only
bool btIsMainThread();
bool btThreadsAreRunning();
unsigned int btGetCurrentThreadIndex();
void btResetThreadIndexCounter(); // notify that all worker threads have been destroyed
///
/// btSpinMutex -- lightweight spin-mutex implemented with atomic ops, never puts
/// a thread to sleep because it is designed to be used with a task scheduler
/// which has one thread per core and the threads don't sleep until they
/// run out of tasks. Not good for general purpose use.
///
class btSpinMutex
{
int mLock;
public:
btSpinMutex()
{
mLock = 0;
}
void lock();
void unlock();
bool tryLock();
};
//
// NOTE: btMutex* is for internal Bullet use only
//
// If BT_THREADSAFE is undefined or 0, should optimize away to nothing.
// This is good because for the single-threaded build of Bullet, any calls
// to these functions will be optimized out.
//
// However, for users of the multi-threaded build of Bullet this is kind
// of bad because if you call any of these functions from external code
// (where BT_THREADSAFE is undefined) you will get unexpected race conditions.
//
SIMD_FORCE_INLINE void btMutexLock( btSpinMutex* mutex )
{
#if BT_THREADSAFE
mutex->lock();
#endif // #if BT_THREADSAFE
}
SIMD_FORCE_INLINE void btMutexUnlock( btSpinMutex* mutex )
{
#if BT_THREADSAFE
mutex->unlock();
#endif // #if BT_THREADSAFE
}
SIMD_FORCE_INLINE bool btMutexTryLock( btSpinMutex* mutex )
{
#if BT_THREADSAFE
return mutex->tryLock();
#else
return true;
#endif // #if BT_THREADSAFE
}
//
// btIParallelForBody -- subclass this to express work that can be done in parallel
//
class btIParallelForBody
{
public:
virtual ~btIParallelForBody() {}
virtual void forLoop( int iBegin, int iEnd ) const = 0;
};
//
// btITaskScheduler -- subclass this to implement a task scheduler that can dispatch work to
// worker threads
//
class btITaskScheduler
{
public:
btITaskScheduler( const char* name );
virtual ~btITaskScheduler() {}
const char* getName() const { return m_name; }
virtual int getMaxNumThreads() const = 0;
virtual int getNumThreads() const = 0;
virtual void setNumThreads( int numThreads ) = 0;
virtual void parallelFor( int iBegin, int iEnd, int grainSize, const btIParallelForBody& body ) = 0;
// internal use only
virtual void activate();
virtual void deactivate();
protected:
const char* m_name;
unsigned int m_savedThreadCounter;
bool m_isActive;
};
// set the task scheduler to use for all calls to btParallelFor()
// NOTE: you must set this prior to using any of the multi-threaded "Mt" classes
void btSetTaskScheduler( btITaskScheduler* ts );
// get the current task scheduler
btITaskScheduler* btGetTaskScheduler();
// get non-threaded task scheduler (always available)
btITaskScheduler* btGetSequentialTaskScheduler();
// get OpenMP task scheduler (if available, otherwise returns null)
btITaskScheduler* btGetOpenMPTaskScheduler();
// get Intel TBB task scheduler (if available, otherwise returns null)
btITaskScheduler* btGetTBBTaskScheduler();
// get PPL task scheduler (if available, otherwise returns null)
btITaskScheduler* btGetPPLTaskScheduler();
// btParallelFor -- call this to dispatch work like a for-loop
// (iterations may be done out of order, so no dependencies are allowed)
void btParallelFor( int iBegin, int iEnd, int grainSize, const btIParallelForBody& body );
#endif

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/*
Copyright (c) 2003-2006 Gino van den Bergen / Erwin Coumans http://continuousphysics.com/Bullet/
This software is provided 'as-is', without any express or implied warranty.
In no event will the authors be held liable for any damages arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it freely,
subject to the following restrictions:
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.
2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
#ifndef BT_TRANSFORM_H
#define BT_TRANSFORM_H
#include "btMatrix3x3.h"
#ifdef BT_USE_DOUBLE_PRECISION
#define btTransformData btTransformDoubleData
#else
#define btTransformData btTransformFloatData
#endif
/**@brief The btTransform class supports rigid transforms with only translation and rotation and no scaling/shear.
*It can be used in combination with btVector3, btQuaternion and btMatrix3x3 linear algebra classes. */
ATTRIBUTE_ALIGNED16(class) btTransform {
///Storage for the rotation
btMatrix3x3 m_basis;
///Storage for the translation
btVector3 m_origin;
public:
/**@brief No initialization constructor */
btTransform() {}
/**@brief Constructor from btQuaternion (optional btVector3 )
* @param q Rotation from quaternion
* @param c Translation from Vector (default 0,0,0) */
explicit SIMD_FORCE_INLINE btTransform(const btQuaternion& q,
const btVector3& c = btVector3(btScalar(0), btScalar(0), btScalar(0)))
: m_basis(q),
m_origin(c)
{}
/**@brief Constructor from btMatrix3x3 (optional btVector3)
* @param b Rotation from Matrix
* @param c Translation from Vector default (0,0,0)*/
explicit SIMD_FORCE_INLINE btTransform(const btMatrix3x3& b,
const btVector3& c = btVector3(btScalar(0), btScalar(0), btScalar(0)))
: m_basis(b),
m_origin(c)
{}
/**@brief Copy constructor */
SIMD_FORCE_INLINE btTransform (const btTransform& other)
: m_basis(other.m_basis),
m_origin(other.m_origin)
{
}
/**@brief Assignment Operator */
SIMD_FORCE_INLINE btTransform& operator=(const btTransform& other)
{
m_basis = other.m_basis;
m_origin = other.m_origin;
return *this;
}
/**@brief Set the current transform as the value of the product of two transforms
* @param t1 Transform 1
* @param t2 Transform 2
* This = Transform1 * Transform2 */
SIMD_FORCE_INLINE void mult(const btTransform& t1, const btTransform& t2) {
m_basis = t1.m_basis * t2.m_basis;
m_origin = t1(t2.m_origin);
}
/* void multInverseLeft(const btTransform& t1, const btTransform& t2) {
btVector3 v = t2.m_origin - t1.m_origin;
m_basis = btMultTransposeLeft(t1.m_basis, t2.m_basis);
m_origin = v * t1.m_basis;
}
*/
/**@brief Return the transform of the vector */
SIMD_FORCE_INLINE btVector3 operator()(const btVector3& x) const
{
return x.dot3(m_basis[0], m_basis[1], m_basis[2]) + m_origin;
}
/**@brief Return the transform of the vector */
SIMD_FORCE_INLINE btVector3 operator*(const btVector3& x) const
{
return (*this)(x);
}
/**@brief Return the transform of the btQuaternion */
SIMD_FORCE_INLINE btQuaternion operator*(const btQuaternion& q) const
{
return getRotation() * q;
}
/**@brief Return the basis matrix for the rotation */
SIMD_FORCE_INLINE btMatrix3x3& getBasis() { return m_basis; }
/**@brief Return the basis matrix for the rotation */
SIMD_FORCE_INLINE const btMatrix3x3& getBasis() const { return m_basis; }
/**@brief Return the origin vector translation */
SIMD_FORCE_INLINE btVector3& getOrigin() { return m_origin; }
/**@brief Return the origin vector translation */
SIMD_FORCE_INLINE const btVector3& getOrigin() const { return m_origin; }
/**@brief Return a quaternion representing the rotation */
btQuaternion getRotation() const {
btQuaternion q;
m_basis.getRotation(q);
return q;
}
/**@brief Set from an array
* @param m A pointer to a 16 element array (12 rotation(row major padded on the right by 1), and 3 translation */
void setFromOpenGLMatrix(const btScalar *m)
{
m_basis.setFromOpenGLSubMatrix(m);
m_origin.setValue(m[12],m[13],m[14]);
}
/**@brief Fill an array representation
* @param m A pointer to a 16 element array (12 rotation(row major padded on the right by 1), and 3 translation */
void getOpenGLMatrix(btScalar *m) const
{
m_basis.getOpenGLSubMatrix(m);
m[12] = m_origin.x();
m[13] = m_origin.y();
m[14] = m_origin.z();
m[15] = btScalar(1.0);
}
/**@brief Set the translational element
* @param origin The vector to set the translation to */
SIMD_FORCE_INLINE void setOrigin(const btVector3& origin)
{
m_origin = origin;
}
SIMD_FORCE_INLINE btVector3 invXform(const btVector3& inVec) const;
/**@brief Set the rotational element by btMatrix3x3 */
SIMD_FORCE_INLINE void setBasis(const btMatrix3x3& basis)
{
m_basis = basis;
}
/**@brief Set the rotational element by btQuaternion */
SIMD_FORCE_INLINE void setRotation(const btQuaternion& q)
{
m_basis.setRotation(q);
}
/**@brief Set this transformation to the identity */
void setIdentity()
{
m_basis.setIdentity();
m_origin.setValue(btScalar(0.0), btScalar(0.0), btScalar(0.0));
}
/**@brief Multiply this Transform by another(this = this * another)
* @param t The other transform */
btTransform& operator*=(const btTransform& t)
{
m_origin += m_basis * t.m_origin;
m_basis *= t.m_basis;
return *this;
}
/**@brief Return the inverse of this transform */
btTransform inverse() const
{
btMatrix3x3 inv = m_basis.transpose();
return btTransform(inv, inv * -m_origin);
}
/**@brief Return the inverse of this transform times the other transform
* @param t The other transform
* return this.inverse() * the other */
btTransform inverseTimes(const btTransform& t) const;
/**@brief Return the product of this transform and the other */
btTransform operator*(const btTransform& t) const;
/**@brief Return an identity transform */
static const btTransform& getIdentity()
{
static const btTransform identityTransform(btMatrix3x3::getIdentity());
return identityTransform;
}
void serialize(struct btTransformData& dataOut) const;
void serializeFloat(struct btTransformFloatData& dataOut) const;
void deSerialize(const struct btTransformData& dataIn);
void deSerializeDouble(const struct btTransformDoubleData& dataIn);
void deSerializeFloat(const struct btTransformFloatData& dataIn);
};
SIMD_FORCE_INLINE btVector3
btTransform::invXform(const btVector3& inVec) const
{
btVector3 v = inVec - m_origin;
return (m_basis.transpose() * v);
}
SIMD_FORCE_INLINE btTransform
btTransform::inverseTimes(const btTransform& t) const
{
btVector3 v = t.getOrigin() - m_origin;
return btTransform(m_basis.transposeTimes(t.m_basis),
v * m_basis);
}
SIMD_FORCE_INLINE btTransform
btTransform::operator*(const btTransform& t) const
{
return btTransform(m_basis * t.m_basis,
(*this)(t.m_origin));
}
/**@brief Test if two transforms have all elements equal */
SIMD_FORCE_INLINE bool operator==(const btTransform& t1, const btTransform& t2)
{
return ( t1.getBasis() == t2.getBasis() &&
t1.getOrigin() == t2.getOrigin() );
}
///for serialization
struct btTransformFloatData
{
btMatrix3x3FloatData m_basis;
btVector3FloatData m_origin;
};
struct btTransformDoubleData
{
btMatrix3x3DoubleData m_basis;
btVector3DoubleData m_origin;
};
SIMD_FORCE_INLINE void btTransform::serialize(btTransformData& dataOut) const
{
m_basis.serialize(dataOut.m_basis);
m_origin.serialize(dataOut.m_origin);
}
SIMD_FORCE_INLINE void btTransform::serializeFloat(btTransformFloatData& dataOut) const
{
m_basis.serializeFloat(dataOut.m_basis);
m_origin.serializeFloat(dataOut.m_origin);
}
SIMD_FORCE_INLINE void btTransform::deSerialize(const btTransformData& dataIn)
{
m_basis.deSerialize(dataIn.m_basis);
m_origin.deSerialize(dataIn.m_origin);
}
SIMD_FORCE_INLINE void btTransform::deSerializeFloat(const btTransformFloatData& dataIn)
{
m_basis.deSerializeFloat(dataIn.m_basis);
m_origin.deSerializeFloat(dataIn.m_origin);
}
SIMD_FORCE_INLINE void btTransform::deSerializeDouble(const btTransformDoubleData& dataIn)
{
m_basis.deSerializeDouble(dataIn.m_basis);
m_origin.deSerializeDouble(dataIn.m_origin);
}
#endif //BT_TRANSFORM_H

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/*
Copyright (c) 2003-2006 Gino van den Bergen / Erwin Coumans http://continuousphysics.com/Bullet/
This software is provided 'as-is', without any express or implied warranty.
In no event will the authors be held liable for any damages arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it freely,
subject to the following restrictions:
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.
2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
#ifndef BT_TRANSFORM_UTIL_H
#define BT_TRANSFORM_UTIL_H
#include "btTransform.h"
#define ANGULAR_MOTION_THRESHOLD btScalar(0.5)*SIMD_HALF_PI
SIMD_FORCE_INLINE btVector3 btAabbSupport(const btVector3& halfExtents,const btVector3& supportDir)
{
return btVector3(supportDir.x() < btScalar(0.0) ? -halfExtents.x() : halfExtents.x(),
supportDir.y() < btScalar(0.0) ? -halfExtents.y() : halfExtents.y(),
supportDir.z() < btScalar(0.0) ? -halfExtents.z() : halfExtents.z());
}
/// Utils related to temporal transforms
class btTransformUtil
{
public:
static void integrateTransform(const btTransform& curTrans,const btVector3& linvel,const btVector3& angvel,btScalar timeStep,btTransform& predictedTransform)
{
predictedTransform.setOrigin(curTrans.getOrigin() + linvel * timeStep);
// #define QUATERNION_DERIVATIVE
#ifdef QUATERNION_DERIVATIVE
btQuaternion predictedOrn = curTrans.getRotation();
predictedOrn += (angvel * predictedOrn) * (timeStep * btScalar(0.5));
predictedOrn.safeNormalize();
#else
//Exponential map
//google for "Practical Parameterization of Rotations Using the Exponential Map", F. Sebastian Grassia
btVector3 axis;
btScalar fAngle2 = angvel.length2();
btScalar fAngle = 0;
if (fAngle2>SIMD_EPSILON)
{
fAngle = btSqrt(fAngle2);
}
//limit the angular motion
if (fAngle*timeStep > ANGULAR_MOTION_THRESHOLD)
{
fAngle = ANGULAR_MOTION_THRESHOLD / timeStep;
}
if ( fAngle < btScalar(0.001) )
{
// use Taylor's expansions of sync function
axis = angvel*( btScalar(0.5)*timeStep-(timeStep*timeStep*timeStep)*(btScalar(0.020833333333))*fAngle*fAngle );
}
else
{
// sync(fAngle) = sin(c*fAngle)/t
axis = angvel*( btSin(btScalar(0.5)*fAngle*timeStep)/fAngle );
}
btQuaternion dorn (axis.x(),axis.y(),axis.z(),btCos( fAngle*timeStep*btScalar(0.5) ));
btQuaternion orn0 = curTrans.getRotation();
btQuaternion predictedOrn = dorn * orn0;
predictedOrn.safeNormalize();
#endif
if (predictedOrn.length2()>SIMD_EPSILON)
{
predictedTransform.setRotation(predictedOrn);
}
else
{
predictedTransform.setBasis(curTrans.getBasis());
}
}
static void calculateVelocityQuaternion(const btVector3& pos0,const btVector3& pos1,const btQuaternion& orn0,const btQuaternion& orn1,btScalar timeStep,btVector3& linVel,btVector3& angVel)
{
linVel = (pos1 - pos0) / timeStep;
btVector3 axis;
btScalar angle;
if (orn0 != orn1)
{
calculateDiffAxisAngleQuaternion(orn0,orn1,axis,angle);
angVel = axis * angle / timeStep;
} else
{
angVel.setValue(0,0,0);
}
}
static void calculateDiffAxisAngleQuaternion(const btQuaternion& orn0,const btQuaternion& orn1a,btVector3& axis,btScalar& angle)
{
btQuaternion orn1 = orn0.nearest(orn1a);
btQuaternion dorn = orn1 * orn0.inverse();
angle = dorn.getAngle();
axis = btVector3(dorn.x(),dorn.y(),dorn.z());
axis[3] = btScalar(0.);
//check for axis length
btScalar len = axis.length2();
if (len < SIMD_EPSILON*SIMD_EPSILON)
axis = btVector3(btScalar(1.),btScalar(0.),btScalar(0.));
else
axis /= btSqrt(len);
}
static void calculateVelocity(const btTransform& transform0,const btTransform& transform1,btScalar timeStep,btVector3& linVel,btVector3& angVel)
{
linVel = (transform1.getOrigin() - transform0.getOrigin()) / timeStep;
btVector3 axis;
btScalar angle;
calculateDiffAxisAngle(transform0,transform1,axis,angle);
angVel = axis * angle / timeStep;
}
static void calculateDiffAxisAngle(const btTransform& transform0,const btTransform& transform1,btVector3& axis,btScalar& angle)
{
btMatrix3x3 dmat = transform1.getBasis() * transform0.getBasis().inverse();
btQuaternion dorn;
dmat.getRotation(dorn);
///floating point inaccuracy can lead to w component > 1..., which breaks
dorn.normalize();
angle = dorn.getAngle();
axis = btVector3(dorn.x(),dorn.y(),dorn.z());
axis[3] = btScalar(0.);
//check for axis length
btScalar len = axis.length2();
if (len < SIMD_EPSILON*SIMD_EPSILON)
axis = btVector3(btScalar(1.),btScalar(0.),btScalar(0.));
else
axis /= btSqrt(len);
}
};
///The btConvexSeparatingDistanceUtil can help speed up convex collision detection
///by conservatively updating a cached separating distance/vector instead of re-calculating the closest distance
class btConvexSeparatingDistanceUtil
{
btQuaternion m_ornA;
btQuaternion m_ornB;
btVector3 m_posA;
btVector3 m_posB;
btVector3 m_separatingNormal;
btScalar m_boundingRadiusA;
btScalar m_boundingRadiusB;
btScalar m_separatingDistance;
public:
btConvexSeparatingDistanceUtil(btScalar boundingRadiusA,btScalar boundingRadiusB)
:m_boundingRadiusA(boundingRadiusA),
m_boundingRadiusB(boundingRadiusB),
m_separatingDistance(0.f)
{
}
btScalar getConservativeSeparatingDistance()
{
return m_separatingDistance;
}
void updateSeparatingDistance(const btTransform& transA,const btTransform& transB)
{
const btVector3& toPosA = transA.getOrigin();
const btVector3& toPosB = transB.getOrigin();
btQuaternion toOrnA = transA.getRotation();
btQuaternion toOrnB = transB.getRotation();
if (m_separatingDistance>0.f)
{
btVector3 linVelA,angVelA,linVelB,angVelB;
btTransformUtil::calculateVelocityQuaternion(m_posA,toPosA,m_ornA,toOrnA,btScalar(1.),linVelA,angVelA);
btTransformUtil::calculateVelocityQuaternion(m_posB,toPosB,m_ornB,toOrnB,btScalar(1.),linVelB,angVelB);
btScalar maxAngularProjectedVelocity = angVelA.length() * m_boundingRadiusA + angVelB.length() * m_boundingRadiusB;
btVector3 relLinVel = (linVelB-linVelA);
btScalar relLinVelocLength = relLinVel.dot(m_separatingNormal);
if (relLinVelocLength<0.f)
{
relLinVelocLength = 0.f;
}
btScalar projectedMotion = maxAngularProjectedVelocity +relLinVelocLength;
m_separatingDistance -= projectedMotion;
}
m_posA = toPosA;
m_posB = toPosB;
m_ornA = toOrnA;
m_ornB = toOrnB;
}
void initSeparatingDistance(const btVector3& separatingVector,btScalar separatingDistance,const btTransform& transA,const btTransform& transB)
{
m_separatingDistance = separatingDistance;
if (m_separatingDistance>0.f)
{
m_separatingNormal = separatingVector;
const btVector3& toPosA = transA.getOrigin();
const btVector3& toPosB = transB.getOrigin();
btQuaternion toOrnA = transA.getRotation();
btQuaternion toOrnB = transB.getRotation();
m_posA = toPosA;
m_posB = toPosB;
m_ornA = toOrnA;
m_ornB = toOrnB;
}
}
};
#endif //BT_TRANSFORM_UTIL_H

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project "LinearMath"
kind "StaticLib"
includedirs {
"..",
}
files {
"*.cpp",
"*.h"
}