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Diffstat (limited to 'thirdparty/bullet/BulletCollision/BroadphaseCollision/btDbvt.h')
-rw-r--r-- | thirdparty/bullet/BulletCollision/BroadphaseCollision/btDbvt.h | 1578 |
1 files changed, 0 insertions, 1578 deletions
diff --git a/thirdparty/bullet/BulletCollision/BroadphaseCollision/btDbvt.h b/thirdparty/bullet/BulletCollision/BroadphaseCollision/btDbvt.h deleted file mode 100644 index 55daa7fb57..0000000000 --- a/thirdparty/bullet/BulletCollision/BroadphaseCollision/btDbvt.h +++ /dev/null @@ -1,1578 +0,0 @@ -/* -Bullet Continuous Collision Detection and Physics Library -Copyright (c) 2003-2007 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. -*/ -///btDbvt implementation by Nathanael Presson - -#ifndef BT_DYNAMIC_BOUNDING_VOLUME_TREE_H -#define BT_DYNAMIC_BOUNDING_VOLUME_TREE_H - -#include "LinearMath/btAlignedObjectArray.h" -#include "LinearMath/btVector3.h" -#include "LinearMath/btTransform.h" -#include "LinearMath/btAabbUtil2.h" -// -// Compile time configuration -// - -// Implementation profiles -#define DBVT_IMPL_GENERIC 0 // Generic implementation -#define DBVT_IMPL_SSE 1 // SSE - -// Template implementation of ICollide -#ifdef _WIN32 -#if (defined(_MSC_VER) && _MSC_VER >= 1400) -#define DBVT_USE_TEMPLATE 1 -#else -#define DBVT_USE_TEMPLATE 0 -#endif -#else -#define DBVT_USE_TEMPLATE 0 -#endif - -// Use only intrinsics instead of inline asm -#define DBVT_USE_INTRINSIC_SSE 1 - -// Using memmov for collideOCL -#define DBVT_USE_MEMMOVE 1 - -// Enable benchmarking code -#define DBVT_ENABLE_BENCHMARK 0 - -// Inlining -#define DBVT_INLINE SIMD_FORCE_INLINE - -// Specific methods implementation - -//SSE gives errors on a MSVC 7.1 -#if defined(BT_USE_SSE) //&& defined (_WIN32) -#define DBVT_SELECT_IMPL DBVT_IMPL_SSE -#define DBVT_MERGE_IMPL DBVT_IMPL_SSE -#define DBVT_INT0_IMPL DBVT_IMPL_SSE -#else -#define DBVT_SELECT_IMPL DBVT_IMPL_GENERIC -#define DBVT_MERGE_IMPL DBVT_IMPL_GENERIC -#define DBVT_INT0_IMPL DBVT_IMPL_GENERIC -#endif - -#if (DBVT_SELECT_IMPL == DBVT_IMPL_SSE) || \ - (DBVT_MERGE_IMPL == DBVT_IMPL_SSE) || \ - (DBVT_INT0_IMPL == DBVT_IMPL_SSE) -#include <emmintrin.h> -#endif - -// -// Auto config and checks -// - -#if DBVT_USE_TEMPLATE -#define DBVT_VIRTUAL -#define DBVT_VIRTUAL_DTOR(a) -#define DBVT_PREFIX template <typename T> -#define DBVT_IPOLICY T& policy -#define DBVT_CHECKTYPE \ - static const ICollide& typechecker = *(T*)1; \ - (void)typechecker; -#else -#define DBVT_VIRTUAL_DTOR(a) \ - virtual ~a() {} -#define DBVT_VIRTUAL virtual -#define DBVT_PREFIX -#define DBVT_IPOLICY ICollide& policy -#define DBVT_CHECKTYPE -#endif - -#if DBVT_USE_MEMMOVE -#if !defined(__CELLOS_LV2__) && !defined(__MWERKS__) -#include <memory.h> -#endif -#include <string.h> -#endif - -#ifndef DBVT_USE_TEMPLATE -#error "DBVT_USE_TEMPLATE undefined" -#endif - -#ifndef DBVT_USE_MEMMOVE -#error "DBVT_USE_MEMMOVE undefined" -#endif - -#ifndef DBVT_ENABLE_BENCHMARK -#error "DBVT_ENABLE_BENCHMARK undefined" -#endif - -#ifndef DBVT_SELECT_IMPL -#error "DBVT_SELECT_IMPL undefined" -#endif - -#ifndef DBVT_MERGE_IMPL -#error "DBVT_MERGE_IMPL undefined" -#endif - -#ifndef DBVT_INT0_IMPL -#error "DBVT_INT0_IMPL undefined" -#endif - -// -// Defaults volumes -// - -/* btDbvtAabbMm */ -struct btDbvtAabbMm -{ - DBVT_INLINE btDbvtAabbMm(){} - DBVT_INLINE btVector3 Center() const { return ((mi + mx) / 2); } - DBVT_INLINE btVector3 Lengths() const { return (mx - mi); } - DBVT_INLINE btVector3 Extents() const { return ((mx - mi) / 2); } - DBVT_INLINE const btVector3& Mins() const { return (mi); } - DBVT_INLINE const btVector3& Maxs() const { return (mx); } - static inline btDbvtAabbMm FromCE(const btVector3& c, const btVector3& e); - static inline btDbvtAabbMm FromCR(const btVector3& c, btScalar r); - static inline btDbvtAabbMm FromMM(const btVector3& mi, const btVector3& mx); - static inline btDbvtAabbMm FromPoints(const btVector3* pts, int n); - static inline btDbvtAabbMm FromPoints(const btVector3** ppts, int n); - DBVT_INLINE void Expand(const btVector3& e); - DBVT_INLINE void SignedExpand(const btVector3& e); - DBVT_INLINE bool Contain(const btDbvtAabbMm& a) const; - DBVT_INLINE int Classify(const btVector3& n, btScalar o, int s) const; - DBVT_INLINE btScalar ProjectMinimum(const btVector3& v, unsigned signs) const; - DBVT_INLINE friend bool Intersect(const btDbvtAabbMm& a, - const btDbvtAabbMm& b); - - DBVT_INLINE friend bool Intersect(const btDbvtAabbMm& a, - const btVector3& b); - - DBVT_INLINE friend btScalar Proximity(const btDbvtAabbMm& a, - const btDbvtAabbMm& b); - DBVT_INLINE friend int Select(const btDbvtAabbMm& o, - const btDbvtAabbMm& a, - const btDbvtAabbMm& b); - DBVT_INLINE friend void Merge(const btDbvtAabbMm& a, - const btDbvtAabbMm& b, - btDbvtAabbMm& r); - DBVT_INLINE friend bool NotEqual(const btDbvtAabbMm& a, - const btDbvtAabbMm& b); - - DBVT_INLINE btVector3& tMins() { return (mi); } - DBVT_INLINE btVector3& tMaxs() { return (mx); } - -private: - DBVT_INLINE void AddSpan(const btVector3& d, btScalar& smi, btScalar& smx) const; - -private: - btVector3 mi, mx; -}; - -// Types -typedef btDbvtAabbMm btDbvtVolume; - -/* btDbvtNode */ -struct btDbvtNode -{ - btDbvtVolume volume; - btDbvtNode* parent; - DBVT_INLINE bool isleaf() const { return (childs[1] == 0); } - DBVT_INLINE bool isinternal() const { return (!isleaf()); } - union { - btDbvtNode* childs[2]; - void* data; - int dataAsInt; - }; -}; - -/* btDbv(normal)tNode */ -struct btDbvntNode -{ - btDbvtVolume volume; - btVector3 normal; - btScalar angle; - DBVT_INLINE bool isleaf() const { return (childs[1] == 0); } - DBVT_INLINE bool isinternal() const { return (!isleaf()); } - btDbvntNode* childs[2]; - void* data; - - btDbvntNode(const btDbvtNode* n) - : volume(n->volume) - , normal(0,0,0) - , angle(0) - , data(n->data) - { - childs[0] = 0; - childs[1] = 0; - } - - ~btDbvntNode() - { - if (childs[0]) - delete childs[0]; - if (childs[1]) - delete childs[1]; - } -}; - -typedef btAlignedObjectArray<const btDbvtNode*> btNodeStack; - -///The btDbvt class implements a fast dynamic bounding volume tree based on axis aligned bounding boxes (aabb tree). -///This btDbvt is used for soft body collision detection and for the btDbvtBroadphase. It has a fast insert, remove and update of nodes. -///Unlike the btQuantizedBvh, nodes can be dynamically moved around, which allows for change in topology of the underlying data structure. -struct btDbvt -{ - /* Stack element */ - struct sStkNN - { - const btDbvtNode* a; - const btDbvtNode* b; - sStkNN() {} - sStkNN(const btDbvtNode* na, const btDbvtNode* nb) : a(na), b(nb) {} - }; - struct sStkNP - { - const btDbvtNode* node; - int mask; - sStkNP(const btDbvtNode* n, unsigned m) : node(n), mask(m) {} - }; - struct sStkNPS - { - const btDbvtNode* node; - int mask; - btScalar value; - sStkNPS() {} - sStkNPS(const btDbvtNode* n, unsigned m, btScalar v) : node(n), mask(m), value(v) {} - }; - struct sStkCLN - { - const btDbvtNode* node; - btDbvtNode* parent; - sStkCLN(const btDbvtNode* n, btDbvtNode* p) : node(n), parent(p) {} - }; - - struct sStknNN - { - const btDbvntNode* a; - const btDbvntNode* b; - sStknNN() {} - sStknNN(const btDbvntNode* na, const btDbvntNode* nb) : a(na), b(nb) {} - }; - // Policies/Interfaces - - /* ICollide */ - struct ICollide - { - DBVT_VIRTUAL_DTOR(ICollide) - DBVT_VIRTUAL void Process(const btDbvtNode*, const btDbvtNode*) {} - DBVT_VIRTUAL void Process(const btDbvtNode*) {} - DBVT_VIRTUAL void Process(const btDbvtNode* n, btScalar) { Process(n); } - DBVT_VIRTUAL void Process(const btDbvntNode*, const btDbvntNode*) {} - DBVT_VIRTUAL bool Descent(const btDbvtNode*) { return (true); } - DBVT_VIRTUAL bool AllLeaves(const btDbvtNode*) { return (true); } - }; - /* IWriter */ - struct IWriter - { - virtual ~IWriter() {} - virtual void Prepare(const btDbvtNode* root, int numnodes) = 0; - virtual void WriteNode(const btDbvtNode*, int index, int parent, int child0, int child1) = 0; - virtual void WriteLeaf(const btDbvtNode*, int index, int parent) = 0; - }; - /* IClone */ - struct IClone - { - virtual ~IClone() {} - virtual void CloneLeaf(btDbvtNode*) {} - }; - - // Constants - enum - { - SIMPLE_STACKSIZE = 64, - DOUBLE_STACKSIZE = SIMPLE_STACKSIZE * 2 - }; - - // Fields - btDbvtNode* m_root; - btDbvtNode* m_free; - int m_lkhd; - int m_leaves; - unsigned m_opath; - - btAlignedObjectArray<sStkNN> m_stkStack; - - // Methods - btDbvt(); - ~btDbvt(); - void clear(); - bool empty() const { return (0 == m_root); } - void optimizeBottomUp(); - void optimizeTopDown(int bu_treshold = 128); - void optimizeIncremental(int passes); - btDbvtNode* insert(const btDbvtVolume& box, void* data); - void update(btDbvtNode* leaf, int lookahead = -1); - void update(btDbvtNode* leaf, btDbvtVolume& volume); - bool update(btDbvtNode* leaf, btDbvtVolume& volume, const btVector3& velocity, btScalar margin); - bool update(btDbvtNode* leaf, btDbvtVolume& volume, const btVector3& velocity); - bool update(btDbvtNode* leaf, btDbvtVolume& volume, btScalar margin); - void remove(btDbvtNode* leaf); - void write(IWriter* iwriter) const; - void clone(btDbvt& dest, IClone* iclone = 0) const; - static int maxdepth(const btDbvtNode* node); - static int countLeaves(const btDbvtNode* node); - static void extractLeaves(const btDbvtNode* node, btAlignedObjectArray<const btDbvtNode*>& leaves); -#if DBVT_ENABLE_BENCHMARK - static void benchmark(); -#else - static void benchmark() - { - } -#endif - // DBVT_IPOLICY must support ICollide policy/interface - DBVT_PREFIX - static void enumNodes(const btDbvtNode* root, - DBVT_IPOLICY); - DBVT_PREFIX - static void enumLeaves(const btDbvtNode* root, - DBVT_IPOLICY); - DBVT_PREFIX - void collideTT(const btDbvtNode* root0, - const btDbvtNode* root1, - DBVT_IPOLICY); - DBVT_PREFIX - void selfCollideT(const btDbvntNode* root, - DBVT_IPOLICY); - DBVT_PREFIX - void selfCollideTT(const btDbvtNode* root, - DBVT_IPOLICY); - - DBVT_PREFIX - void collideTTpersistentStack(const btDbvtNode* root0, - const btDbvtNode* root1, - DBVT_IPOLICY); -#if 0 - DBVT_PREFIX - void collideTT( const btDbvtNode* root0, - const btDbvtNode* root1, - const btTransform& xform, - DBVT_IPOLICY); - DBVT_PREFIX - void collideTT( const btDbvtNode* root0, - const btTransform& xform0, - const btDbvtNode* root1, - const btTransform& xform1, - DBVT_IPOLICY); -#endif - - DBVT_PREFIX - void collideTV(const btDbvtNode* root, - const btDbvtVolume& volume, - DBVT_IPOLICY) const; - - DBVT_PREFIX - void collideTVNoStackAlloc(const btDbvtNode* root, - const btDbvtVolume& volume, - btNodeStack& stack, - DBVT_IPOLICY) const; - - ///rayTest is a re-entrant ray test, and can be called in parallel as long as the btAlignedAlloc is thread-safe (uses locking etc) - ///rayTest is slower than rayTestInternal, because it builds a local stack, using memory allocations, and it recomputes signs/rayDirectionInverses each time - DBVT_PREFIX - static void rayTest(const btDbvtNode* root, - const btVector3& rayFrom, - const btVector3& rayTo, - DBVT_IPOLICY); - ///rayTestInternal is faster than rayTest, because it uses a persistent stack (to reduce dynamic memory allocations to a minimum) and it uses precomputed signs/rayInverseDirections - ///rayTestInternal is used by btDbvtBroadphase to accelerate world ray casts - DBVT_PREFIX - void rayTestInternal(const btDbvtNode* root, - const btVector3& rayFrom, - const btVector3& rayTo, - const btVector3& rayDirectionInverse, - unsigned int signs[3], - btScalar lambda_max, - const btVector3& aabbMin, - const btVector3& aabbMax, - btAlignedObjectArray<const btDbvtNode*>& stack, - DBVT_IPOLICY) const; - - DBVT_PREFIX - static void collideKDOP(const btDbvtNode* root, - const btVector3* normals, - const btScalar* offsets, - int count, - DBVT_IPOLICY); - DBVT_PREFIX - static void collideOCL(const btDbvtNode* root, - const btVector3* normals, - const btScalar* offsets, - const btVector3& sortaxis, - int count, - DBVT_IPOLICY, - bool fullsort = true); - DBVT_PREFIX - static void collideTU(const btDbvtNode* root, - DBVT_IPOLICY); - // Helpers - static DBVT_INLINE int nearest(const int* i, const btDbvt::sStkNPS* a, btScalar v, int l, int h) - { - int m = 0; - while (l < h) - { - m = (l + h) >> 1; - if (a[i[m]].value >= v) - l = m + 1; - else - h = m; - } - return (h); - } - static DBVT_INLINE int allocate(btAlignedObjectArray<int>& ifree, - btAlignedObjectArray<sStkNPS>& stock, - const sStkNPS& value) - { - int i; - if (ifree.size() > 0) - { - i = ifree[ifree.size() - 1]; - ifree.pop_back(); - stock[i] = value; - } - else - { - i = stock.size(); - stock.push_back(value); - } - return (i); - } - // -private: - btDbvt(const btDbvt&) {} -}; - -// -// Inline's -// - -// -inline btDbvtAabbMm btDbvtAabbMm::FromCE(const btVector3& c, const btVector3& e) -{ - btDbvtAabbMm box; - box.mi = c - e; - box.mx = c + e; - return (box); -} - -// -inline btDbvtAabbMm btDbvtAabbMm::FromCR(const btVector3& c, btScalar r) -{ - return (FromCE(c, btVector3(r, r, r))); -} - -// -inline btDbvtAabbMm btDbvtAabbMm::FromMM(const btVector3& mi, const btVector3& mx) -{ - btDbvtAabbMm box; - box.mi = mi; - box.mx = mx; - return (box); -} - -// -inline btDbvtAabbMm btDbvtAabbMm::FromPoints(const btVector3* pts, int n) -{ - btDbvtAabbMm box; - box.mi = box.mx = pts[0]; - for (int i = 1; i < n; ++i) - { - box.mi.setMin(pts[i]); - box.mx.setMax(pts[i]); - } - return (box); -} - -// -inline btDbvtAabbMm btDbvtAabbMm::FromPoints(const btVector3** ppts, int n) -{ - btDbvtAabbMm box; - box.mi = box.mx = *ppts[0]; - for (int i = 1; i < n; ++i) - { - box.mi.setMin(*ppts[i]); - box.mx.setMax(*ppts[i]); - } - return (box); -} - -// -DBVT_INLINE void btDbvtAabbMm::Expand(const btVector3& e) -{ - mi -= e; - mx += e; -} - -// -DBVT_INLINE void btDbvtAabbMm::SignedExpand(const btVector3& e) -{ - if (e.x() > 0) - mx.setX(mx.x() + e[0]); - else - mi.setX(mi.x() + e[0]); - if (e.y() > 0) - mx.setY(mx.y() + e[1]); - else - mi.setY(mi.y() + e[1]); - if (e.z() > 0) - mx.setZ(mx.z() + e[2]); - else - mi.setZ(mi.z() + e[2]); -} - -// -DBVT_INLINE bool btDbvtAabbMm::Contain(const btDbvtAabbMm& a) const -{ - return ((mi.x() <= a.mi.x()) && - (mi.y() <= a.mi.y()) && - (mi.z() <= a.mi.z()) && - (mx.x() >= a.mx.x()) && - (mx.y() >= a.mx.y()) && - (mx.z() >= a.mx.z())); -} - -// -DBVT_INLINE int btDbvtAabbMm::Classify(const btVector3& n, btScalar o, int s) const -{ - btVector3 pi, px; - switch (s) - { - case (0 + 0 + 0): - px = btVector3(mi.x(), mi.y(), mi.z()); - pi = btVector3(mx.x(), mx.y(), mx.z()); - break; - case (1 + 0 + 0): - px = btVector3(mx.x(), mi.y(), mi.z()); - pi = btVector3(mi.x(), mx.y(), mx.z()); - break; - case (0 + 2 + 0): - px = btVector3(mi.x(), mx.y(), mi.z()); - pi = btVector3(mx.x(), mi.y(), mx.z()); - break; - case (1 + 2 + 0): - px = btVector3(mx.x(), mx.y(), mi.z()); - pi = btVector3(mi.x(), mi.y(), mx.z()); - break; - case (0 + 0 + 4): - px = btVector3(mi.x(), mi.y(), mx.z()); - pi = btVector3(mx.x(), mx.y(), mi.z()); - break; - case (1 + 0 + 4): - px = btVector3(mx.x(), mi.y(), mx.z()); - pi = btVector3(mi.x(), mx.y(), mi.z()); - break; - case (0 + 2 + 4): - px = btVector3(mi.x(), mx.y(), mx.z()); - pi = btVector3(mx.x(), mi.y(), mi.z()); - break; - case (1 + 2 + 4): - px = btVector3(mx.x(), mx.y(), mx.z()); - pi = btVector3(mi.x(), mi.y(), mi.z()); - break; - } - if ((btDot(n, px) + o) < 0) return (-1); - if ((btDot(n, pi) + o) >= 0) return (+1); - return (0); -} - -// -DBVT_INLINE btScalar btDbvtAabbMm::ProjectMinimum(const btVector3& v, unsigned signs) const -{ - const btVector3* b[] = {&mx, &mi}; - const btVector3 p(b[(signs >> 0) & 1]->x(), - b[(signs >> 1) & 1]->y(), - b[(signs >> 2) & 1]->z()); - return (btDot(p, v)); -} - -// -DBVT_INLINE void btDbvtAabbMm::AddSpan(const btVector3& d, btScalar& smi, btScalar& smx) const -{ - for (int i = 0; i < 3; ++i) - { - if (d[i] < 0) - { - smi += mx[i] * d[i]; - smx += mi[i] * d[i]; - } - else - { - smi += mi[i] * d[i]; - smx += mx[i] * d[i]; - } - } -} - -// -DBVT_INLINE bool Intersect(const btDbvtAabbMm& a, - const btDbvtAabbMm& b) -{ -#if DBVT_INT0_IMPL == DBVT_IMPL_SSE - const __m128 rt(_mm_or_ps(_mm_cmplt_ps(_mm_load_ps(b.mx), _mm_load_ps(a.mi)), - _mm_cmplt_ps(_mm_load_ps(a.mx), _mm_load_ps(b.mi)))); -#if defined(_WIN32) - const __int32* pu((const __int32*)&rt); -#else - const int* pu((const int*)&rt); -#endif - return ((pu[0] | pu[1] | pu[2]) == 0); -#else - return ((a.mi.x() <= b.mx.x()) && - (a.mx.x() >= b.mi.x()) && - (a.mi.y() <= b.mx.y()) && - (a.mx.y() >= b.mi.y()) && - (a.mi.z() <= b.mx.z()) && - (a.mx.z() >= b.mi.z())); -#endif -} - -// -DBVT_INLINE bool Intersect(const btDbvtAabbMm& a, - const btVector3& b) -{ - return ((b.x() >= a.mi.x()) && - (b.y() >= a.mi.y()) && - (b.z() >= a.mi.z()) && - (b.x() <= a.mx.x()) && - (b.y() <= a.mx.y()) && - (b.z() <= a.mx.z())); -} - -////////////////////////////////////// - -// -DBVT_INLINE btScalar Proximity(const btDbvtAabbMm& a, - const btDbvtAabbMm& b) -{ - const btVector3 d = (a.mi + a.mx) - (b.mi + b.mx); - return (btFabs(d.x()) + btFabs(d.y()) + btFabs(d.z())); -} - -// -DBVT_INLINE int Select(const btDbvtAabbMm& o, - const btDbvtAabbMm& a, - const btDbvtAabbMm& b) -{ -#if DBVT_SELECT_IMPL == DBVT_IMPL_SSE - -#if defined(_WIN32) - static ATTRIBUTE_ALIGNED16(const unsigned __int32) mask[] = {0x7fffffff, 0x7fffffff, 0x7fffffff, 0x7fffffff}; -#else - static ATTRIBUTE_ALIGNED16(const unsigned int) mask[] = {0x7fffffff, 0x7fffffff, 0x7fffffff, 0x00000000 /*0x7fffffff*/}; -#endif - ///@todo: the intrinsic version is 11% slower -#if DBVT_USE_INTRINSIC_SSE - - union btSSEUnion ///NOTE: if we use more intrinsics, move btSSEUnion into the LinearMath directory - { - __m128 ssereg; - float floats[4]; - int ints[4]; - }; - - __m128 omi(_mm_load_ps(o.mi)); - omi = _mm_add_ps(omi, _mm_load_ps(o.mx)); - __m128 ami(_mm_load_ps(a.mi)); - ami = _mm_add_ps(ami, _mm_load_ps(a.mx)); - ami = _mm_sub_ps(ami, omi); - ami = _mm_and_ps(ami, _mm_load_ps((const float*)mask)); - __m128 bmi(_mm_load_ps(b.mi)); - bmi = _mm_add_ps(bmi, _mm_load_ps(b.mx)); - bmi = _mm_sub_ps(bmi, omi); - bmi = _mm_and_ps(bmi, _mm_load_ps((const float*)mask)); - __m128 t0(_mm_movehl_ps(ami, ami)); - ami = _mm_add_ps(ami, t0); - ami = _mm_add_ss(ami, _mm_shuffle_ps(ami, ami, 1)); - __m128 t1(_mm_movehl_ps(bmi, bmi)); - bmi = _mm_add_ps(bmi, t1); - bmi = _mm_add_ss(bmi, _mm_shuffle_ps(bmi, bmi, 1)); - - btSSEUnion tmp; - tmp.ssereg = _mm_cmple_ss(bmi, ami); - return tmp.ints[0] & 1; - -#else - ATTRIBUTE_ALIGNED16(__int32 r[1]); - __asm - { - mov eax,o - mov ecx,a - mov edx,b - movaps xmm0,[eax] - movaps xmm5,mask - addps xmm0,[eax+16] - movaps xmm1,[ecx] - movaps xmm2,[edx] - addps xmm1,[ecx+16] - addps xmm2,[edx+16] - subps xmm1,xmm0 - subps xmm2,xmm0 - andps xmm1,xmm5 - andps xmm2,xmm5 - movhlps xmm3,xmm1 - movhlps xmm4,xmm2 - addps xmm1,xmm3 - addps xmm2,xmm4 - pshufd xmm3,xmm1,1 - pshufd xmm4,xmm2,1 - addss xmm1,xmm3 - addss xmm2,xmm4 - cmpless xmm2,xmm1 - movss r,xmm2 - } - return (r[0] & 1); -#endif -#else - return (Proximity(o, a) < Proximity(o, b) ? 0 : 1); -#endif -} - -// -DBVT_INLINE void Merge(const btDbvtAabbMm& a, - const btDbvtAabbMm& b, - btDbvtAabbMm& r) -{ -#if DBVT_MERGE_IMPL == DBVT_IMPL_SSE - __m128 ami(_mm_load_ps(a.mi)); - __m128 amx(_mm_load_ps(a.mx)); - __m128 bmi(_mm_load_ps(b.mi)); - __m128 bmx(_mm_load_ps(b.mx)); - ami = _mm_min_ps(ami, bmi); - amx = _mm_max_ps(amx, bmx); - _mm_store_ps(r.mi, ami); - _mm_store_ps(r.mx, amx); -#else - for (int i = 0; i < 3; ++i) - { - if (a.mi[i] < b.mi[i]) - r.mi[i] = a.mi[i]; - else - r.mi[i] = b.mi[i]; - if (a.mx[i] > b.mx[i]) - r.mx[i] = a.mx[i]; - else - r.mx[i] = b.mx[i]; - } -#endif -} - -// -DBVT_INLINE bool NotEqual(const btDbvtAabbMm& a, - const btDbvtAabbMm& b) -{ - return ((a.mi.x() != b.mi.x()) || - (a.mi.y() != b.mi.y()) || - (a.mi.z() != b.mi.z()) || - (a.mx.x() != b.mx.x()) || - (a.mx.y() != b.mx.y()) || - (a.mx.z() != b.mx.z())); -} - -// -// Inline's -// - -// -DBVT_PREFIX -inline void btDbvt::enumNodes(const btDbvtNode* root, - DBVT_IPOLICY) -{ - DBVT_CHECKTYPE - policy.Process(root); - if (root->isinternal()) - { - enumNodes(root->childs[0], policy); - enumNodes(root->childs[1], policy); - } -} - -// -DBVT_PREFIX -inline void btDbvt::enumLeaves(const btDbvtNode* root, - DBVT_IPOLICY) -{ - DBVT_CHECKTYPE - if (root->isinternal()) - { - enumLeaves(root->childs[0], policy); - enumLeaves(root->childs[1], policy); - } - else - { - policy.Process(root); - } -} - -// -DBVT_PREFIX -inline void btDbvt::collideTT(const btDbvtNode* root0, - const btDbvtNode* root1, - DBVT_IPOLICY) -{ - DBVT_CHECKTYPE - if (root0 && root1) - { - int depth = 1; - int treshold = DOUBLE_STACKSIZE - 4; - btAlignedObjectArray<sStkNN> stkStack; - stkStack.resize(DOUBLE_STACKSIZE); - stkStack[0] = sStkNN(root0, root1); - do - { - sStkNN p = stkStack[--depth]; - if (depth > treshold) - { - stkStack.resize(stkStack.size() * 2); - treshold = stkStack.size() - 4; - } - if (p.a == p.b) - { - if (p.a->isinternal()) - { - stkStack[depth++] = sStkNN(p.a->childs[0], p.a->childs[0]); - stkStack[depth++] = sStkNN(p.a->childs[1], p.a->childs[1]); - stkStack[depth++] = sStkNN(p.a->childs[0], p.a->childs[1]); - } - } - else if (Intersect(p.a->volume, p.b->volume)) - { - if (p.a->isinternal()) - { - if (p.b->isinternal()) - { - stkStack[depth++] = sStkNN(p.a->childs[0], p.b->childs[0]); - stkStack[depth++] = sStkNN(p.a->childs[1], p.b->childs[0]); - stkStack[depth++] = sStkNN(p.a->childs[0], p.b->childs[1]); - stkStack[depth++] = sStkNN(p.a->childs[1], p.b->childs[1]); - } - else - { - stkStack[depth++] = sStkNN(p.a->childs[0], p.b); - stkStack[depth++] = sStkNN(p.a->childs[1], p.b); - } - } - else - { - if (p.b->isinternal()) - { - stkStack[depth++] = sStkNN(p.a, p.b->childs[0]); - stkStack[depth++] = sStkNN(p.a, p.b->childs[1]); - } - else - { - policy.Process(p.a, p.b); - } - } - } - } while (depth); - } -} - -// -DBVT_PREFIX -inline void btDbvt::selfCollideT(const btDbvntNode* root, - DBVT_IPOLICY) -{ - DBVT_CHECKTYPE - if (root) - { - int depth = 1; - int treshold = DOUBLE_STACKSIZE - 4; - btAlignedObjectArray<sStknNN> stkStack; - stkStack.resize(DOUBLE_STACKSIZE); - stkStack[0] = sStknNN(root, root); - do - { - sStknNN p = stkStack[--depth]; - if (depth > treshold) - { - stkStack.resize(stkStack.size() * 2); - treshold = stkStack.size() - 4; - } - if (p.a == p.b) - { - if (p.a->isinternal() && p.a->angle > SIMD_PI) - { - stkStack[depth++] = sStknNN(p.a->childs[0], p.a->childs[0]); - stkStack[depth++] = sStknNN(p.a->childs[1], p.a->childs[1]); - stkStack[depth++] = sStknNN(p.a->childs[0], p.a->childs[1]); - } - } - else if (Intersect(p.a->volume, p.b->volume)) - { - if (p.a->isinternal()) - { - if (p.b->isinternal()) - { - stkStack[depth++] = sStknNN(p.a->childs[0], p.b->childs[0]); - stkStack[depth++] = sStknNN(p.a->childs[1], p.b->childs[0]); - stkStack[depth++] = sStknNN(p.a->childs[0], p.b->childs[1]); - stkStack[depth++] = sStknNN(p.a->childs[1], p.b->childs[1]); - } - else - { - stkStack[depth++] = sStknNN(p.a->childs[0], p.b); - stkStack[depth++] = sStknNN(p.a->childs[1], p.b); - } - } - else - { - if (p.b->isinternal()) - { - stkStack[depth++] = sStknNN(p.a, p.b->childs[0]); - stkStack[depth++] = sStknNN(p.a, p.b->childs[1]); - } - else - { - policy.Process(p.a, p.b); - } - } - } - } while (depth); - } -} - -// -DBVT_PREFIX -inline void btDbvt::selfCollideTT(const btDbvtNode* root, - DBVT_IPOLICY) -{ - DBVT_CHECKTYPE - if (root) - { - int depth = 1; - int treshold = DOUBLE_STACKSIZE - 4; - btAlignedObjectArray<sStkNN> stkStack; - stkStack.resize(DOUBLE_STACKSIZE); - stkStack[0] = sStkNN(root, root); - do - { - sStkNN p = stkStack[--depth]; - if (depth > treshold) - { - stkStack.resize(stkStack.size() * 2); - treshold = stkStack.size() - 4; - } - if (p.a == p.b) - { - if (p.a->isinternal()) - { - stkStack[depth++] = sStkNN(p.a->childs[0], p.a->childs[0]); - stkStack[depth++] = sStkNN(p.a->childs[1], p.a->childs[1]); - stkStack[depth++] = sStkNN(p.a->childs[0], p.a->childs[1]); - } - } - else if (Intersect(p.a->volume, p.b->volume)) - { - if (p.a->isinternal()) - { - if (p.b->isinternal()) - { - stkStack[depth++] = sStkNN(p.a->childs[0], p.b->childs[0]); - stkStack[depth++] = sStkNN(p.a->childs[1], p.b->childs[0]); - stkStack[depth++] = sStkNN(p.a->childs[0], p.b->childs[1]); - stkStack[depth++] = sStkNN(p.a->childs[1], p.b->childs[1]); - } - else - { - stkStack[depth++] = sStkNN(p.a->childs[0], p.b); - stkStack[depth++] = sStkNN(p.a->childs[1], p.b); - } - } - else - { - if (p.b->isinternal()) - { - stkStack[depth++] = sStkNN(p.a, p.b->childs[0]); - stkStack[depth++] = sStkNN(p.a, p.b->childs[1]); - } - else - { - policy.Process(p.a, p.b); - } - } - } - } while (depth); - } -} - - -DBVT_PREFIX -inline void btDbvt::collideTTpersistentStack(const btDbvtNode* root0, - const btDbvtNode* root1, - DBVT_IPOLICY) -{ - DBVT_CHECKTYPE - if (root0 && root1) - { - int depth = 1; - int treshold = DOUBLE_STACKSIZE - 4; - - m_stkStack.resize(DOUBLE_STACKSIZE); - m_stkStack[0] = sStkNN(root0, root1); - do - { - sStkNN p = m_stkStack[--depth]; - if (depth > treshold) - { - m_stkStack.resize(m_stkStack.size() * 2); - treshold = m_stkStack.size() - 4; - } - if (p.a == p.b) - { - if (p.a->isinternal()) - { - m_stkStack[depth++] = sStkNN(p.a->childs[0], p.a->childs[0]); - m_stkStack[depth++] = sStkNN(p.a->childs[1], p.a->childs[1]); - m_stkStack[depth++] = sStkNN(p.a->childs[0], p.a->childs[1]); - } - } - else if (Intersect(p.a->volume, p.b->volume)) - { - if (p.a->isinternal()) - { - if (p.b->isinternal()) - { - m_stkStack[depth++] = sStkNN(p.a->childs[0], p.b->childs[0]); - m_stkStack[depth++] = sStkNN(p.a->childs[1], p.b->childs[0]); - m_stkStack[depth++] = sStkNN(p.a->childs[0], p.b->childs[1]); - m_stkStack[depth++] = sStkNN(p.a->childs[1], p.b->childs[1]); - } - else - { - m_stkStack[depth++] = sStkNN(p.a->childs[0], p.b); - m_stkStack[depth++] = sStkNN(p.a->childs[1], p.b); - } - } - else - { - if (p.b->isinternal()) - { - m_stkStack[depth++] = sStkNN(p.a, p.b->childs[0]); - m_stkStack[depth++] = sStkNN(p.a, p.b->childs[1]); - } - else - { - policy.Process(p.a, p.b); - } - } - } - } while (depth); - } -} - -#if 0 -// -DBVT_PREFIX -inline void btDbvt::collideTT( const btDbvtNode* root0, - const btDbvtNode* root1, - const btTransform& xform, - DBVT_IPOLICY) -{ - DBVT_CHECKTYPE - if(root0&&root1) - { - int depth=1; - int treshold=DOUBLE_STACKSIZE-4; - btAlignedObjectArray<sStkNN> stkStack; - stkStack.resize(DOUBLE_STACKSIZE); - stkStack[0]=sStkNN(root0,root1); - do { - sStkNN p=stkStack[--depth]; - if(Intersect(p.a->volume,p.b->volume,xform)) - { - if(depth>treshold) - { - stkStack.resize(stkStack.size()*2); - treshold=stkStack.size()-4; - } - if(p.a->isinternal()) - { - if(p.b->isinternal()) - { - stkStack[depth++]=sStkNN(p.a->childs[0],p.b->childs[0]); - stkStack[depth++]=sStkNN(p.a->childs[1],p.b->childs[0]); - stkStack[depth++]=sStkNN(p.a->childs[0],p.b->childs[1]); - stkStack[depth++]=sStkNN(p.a->childs[1],p.b->childs[1]); - } - else - { - stkStack[depth++]=sStkNN(p.a->childs[0],p.b); - stkStack[depth++]=sStkNN(p.a->childs[1],p.b); - } - } - else - { - if(p.b->isinternal()) - { - stkStack[depth++]=sStkNN(p.a,p.b->childs[0]); - stkStack[depth++]=sStkNN(p.a,p.b->childs[1]); - } - else - { - policy.Process(p.a,p.b); - } - } - } - } while(depth); - } -} -// -DBVT_PREFIX -inline void btDbvt::collideTT( const btDbvtNode* root0, - const btTransform& xform0, - const btDbvtNode* root1, - const btTransform& xform1, - DBVT_IPOLICY) -{ - const btTransform xform=xform0.inverse()*xform1; - collideTT(root0,root1,xform,policy); -} -#endif - -DBVT_PREFIX -inline void btDbvt::collideTV(const btDbvtNode* root, - const btDbvtVolume& vol, - DBVT_IPOLICY) const -{ - DBVT_CHECKTYPE - if (root) - { - ATTRIBUTE_ALIGNED16(btDbvtVolume) - volume(vol); - btAlignedObjectArray<const btDbvtNode*> stack; - stack.resize(0); -#ifndef BT_DISABLE_STACK_TEMP_MEMORY - char tempmemory[SIMPLE_STACKSIZE * sizeof(const btDbvtNode*)]; - stack.initializeFromBuffer(tempmemory, 0, SIMPLE_STACKSIZE); -#else - stack.reserve(SIMPLE_STACKSIZE); -#endif //BT_DISABLE_STACK_TEMP_MEMORY - - stack.push_back(root); - do - { - const btDbvtNode* n = stack[stack.size() - 1]; - stack.pop_back(); - if (Intersect(n->volume, volume)) - { - if (n->isinternal()) - { - stack.push_back(n->childs[0]); - stack.push_back(n->childs[1]); - } - else - { - policy.Process(n); - } - } - } while (stack.size() > 0); - } -} - -// -DBVT_PREFIX -inline void btDbvt::collideTVNoStackAlloc(const btDbvtNode* root, - const btDbvtVolume& vol, - btNodeStack& stack, - DBVT_IPOLICY) const -{ - DBVT_CHECKTYPE - if (root) - { - ATTRIBUTE_ALIGNED16(btDbvtVolume) - volume(vol); - stack.resize(0); - stack.reserve(SIMPLE_STACKSIZE); - stack.push_back(root); - do - { - const btDbvtNode* n = stack[stack.size() - 1]; - stack.pop_back(); - if (Intersect(n->volume, volume)) - { - if (n->isinternal()) - { - stack.push_back(n->childs[0]); - stack.push_back(n->childs[1]); - } - else - { - policy.Process(n); - } - } - } while (stack.size() > 0); - } -} - -DBVT_PREFIX -inline void btDbvt::rayTestInternal(const btDbvtNode* root, - const btVector3& rayFrom, - const btVector3& rayTo, - const btVector3& rayDirectionInverse, - unsigned int signs[3], - btScalar lambda_max, - const btVector3& aabbMin, - const btVector3& aabbMax, - btAlignedObjectArray<const btDbvtNode*>& stack, - DBVT_IPOLICY) const -{ - (void)rayTo; - DBVT_CHECKTYPE - if (root) - { - btVector3 resultNormal; - - int depth = 1; - int treshold = DOUBLE_STACKSIZE - 2; - stack.resize(DOUBLE_STACKSIZE); - stack[0] = root; - btVector3 bounds[2]; - do - { - const btDbvtNode* node = stack[--depth]; - bounds[0] = node->volume.Mins() - aabbMax; - bounds[1] = node->volume.Maxs() - aabbMin; - btScalar tmin = 1.f, lambda_min = 0.f; - unsigned int result1 = false; - result1 = btRayAabb2(rayFrom, rayDirectionInverse, signs, bounds, tmin, lambda_min, lambda_max); - if (result1) - { - if (node->isinternal()) - { - if (depth > treshold) - { - stack.resize(stack.size() * 2); - treshold = stack.size() - 2; - } - stack[depth++] = node->childs[0]; - stack[depth++] = node->childs[1]; - } - else - { - policy.Process(node); - } - } - } while (depth); - } -} - -// -DBVT_PREFIX -inline void btDbvt::rayTest(const btDbvtNode* root, - const btVector3& rayFrom, - const btVector3& rayTo, - DBVT_IPOLICY) -{ - DBVT_CHECKTYPE - if (root) - { - btVector3 rayDir = (rayTo - rayFrom); - rayDir.normalize(); - - ///what about division by zero? --> just set rayDirection[i] to INF/BT_LARGE_FLOAT - btVector3 rayDirectionInverse; - rayDirectionInverse[0] = rayDir[0] == btScalar(0.0) ? btScalar(BT_LARGE_FLOAT) : btScalar(1.0) / rayDir[0]; - rayDirectionInverse[1] = rayDir[1] == btScalar(0.0) ? btScalar(BT_LARGE_FLOAT) : btScalar(1.0) / rayDir[1]; - rayDirectionInverse[2] = rayDir[2] == btScalar(0.0) ? btScalar(BT_LARGE_FLOAT) : btScalar(1.0) / rayDir[2]; - unsigned int signs[3] = {rayDirectionInverse[0] < 0.0, rayDirectionInverse[1] < 0.0, rayDirectionInverse[2] < 0.0}; - - btScalar lambda_max = rayDir.dot(rayTo - rayFrom); - - btVector3 resultNormal; - - btAlignedObjectArray<const btDbvtNode*> stack; - - int depth = 1; - int treshold = DOUBLE_STACKSIZE - 2; - - char tempmemory[DOUBLE_STACKSIZE * sizeof(const btDbvtNode*)]; -#ifndef BT_DISABLE_STACK_TEMP_MEMORY - stack.initializeFromBuffer(tempmemory, DOUBLE_STACKSIZE, DOUBLE_STACKSIZE); -#else //BT_DISABLE_STACK_TEMP_MEMORY - stack.resize(DOUBLE_STACKSIZE); -#endif //BT_DISABLE_STACK_TEMP_MEMORY - stack[0] = root; - btVector3 bounds[2]; - do - { - const btDbvtNode* node = stack[--depth]; - - bounds[0] = node->volume.Mins(); - bounds[1] = node->volume.Maxs(); - - btScalar tmin = 1.f, lambda_min = 0.f; - unsigned int result1 = btRayAabb2(rayFrom, rayDirectionInverse, signs, bounds, tmin, lambda_min, lambda_max); - -#ifdef COMPARE_BTRAY_AABB2 - btScalar param = 1.f; - bool result2 = btRayAabb(rayFrom, rayTo, node->volume.Mins(), node->volume.Maxs(), param, resultNormal); - btAssert(result1 == result2); -#endif //TEST_BTRAY_AABB2 - - if (result1) - { - if (node->isinternal()) - { - if (depth > treshold) - { - stack.resize(stack.size() * 2); - treshold = stack.size() - 2; - } - stack[depth++] = node->childs[0]; - stack[depth++] = node->childs[1]; - } - else - { - policy.Process(node); - } - } - } while (depth); - } -} - -// -DBVT_PREFIX -inline void btDbvt::collideKDOP(const btDbvtNode* root, - const btVector3* normals, - const btScalar* offsets, - int count, - DBVT_IPOLICY) -{ - DBVT_CHECKTYPE - if (root) - { - const int inside = (1 << count) - 1; - btAlignedObjectArray<sStkNP> stack; - int signs[sizeof(unsigned) * 8]; - btAssert(count < int(sizeof(signs) / sizeof(signs[0]))); - for (int i = 0; i < count; ++i) - { - signs[i] = ((normals[i].x() >= 0) ? 1 : 0) + - ((normals[i].y() >= 0) ? 2 : 0) + - ((normals[i].z() >= 0) ? 4 : 0); - } - stack.reserve(SIMPLE_STACKSIZE); - stack.push_back(sStkNP(root, 0)); - do - { - sStkNP se = stack[stack.size() - 1]; - bool out = false; - stack.pop_back(); - for (int i = 0, j = 1; (!out) && (i < count); ++i, j <<= 1) - { - if (0 == (se.mask & j)) - { - const int side = se.node->volume.Classify(normals[i], offsets[i], signs[i]); - switch (side) - { - case -1: - out = true; - break; - case +1: - se.mask |= j; - break; - } - } - } - if (!out) - { - if ((se.mask != inside) && (se.node->isinternal())) - { - stack.push_back(sStkNP(se.node->childs[0], se.mask)); - stack.push_back(sStkNP(se.node->childs[1], se.mask)); - } - else - { - if (policy.AllLeaves(se.node)) enumLeaves(se.node, policy); - } - } - } while (stack.size()); - } -} - -// -DBVT_PREFIX -inline void btDbvt::collideOCL(const btDbvtNode* root, - const btVector3* normals, - const btScalar* offsets, - const btVector3& sortaxis, - int count, - DBVT_IPOLICY, - bool fsort) -{ - DBVT_CHECKTYPE - if (root) - { - const unsigned srtsgns = (sortaxis[0] >= 0 ? 1 : 0) + - (sortaxis[1] >= 0 ? 2 : 0) + - (sortaxis[2] >= 0 ? 4 : 0); - const int inside = (1 << count) - 1; - btAlignedObjectArray<sStkNPS> stock; - btAlignedObjectArray<int> ifree; - btAlignedObjectArray<int> stack; - int signs[sizeof(unsigned) * 8]; - btAssert(count < int(sizeof(signs) / sizeof(signs[0]))); - for (int i = 0; i < count; ++i) - { - signs[i] = ((normals[i].x() >= 0) ? 1 : 0) + - ((normals[i].y() >= 0) ? 2 : 0) + - ((normals[i].z() >= 0) ? 4 : 0); - } - stock.reserve(SIMPLE_STACKSIZE); - stack.reserve(SIMPLE_STACKSIZE); - ifree.reserve(SIMPLE_STACKSIZE); - stack.push_back(allocate(ifree, stock, sStkNPS(root, 0, root->volume.ProjectMinimum(sortaxis, srtsgns)))); - do - { - const int id = stack[stack.size() - 1]; - sStkNPS se = stock[id]; - stack.pop_back(); - ifree.push_back(id); - if (se.mask != inside) - { - bool out = false; - for (int i = 0, j = 1; (!out) && (i < count); ++i, j <<= 1) - { - if (0 == (se.mask & j)) - { - const int side = se.node->volume.Classify(normals[i], offsets[i], signs[i]); - switch (side) - { - case -1: - out = true; - break; - case +1: - se.mask |= j; - break; - } - } - } - if (out) continue; - } - if (policy.Descent(se.node)) - { - if (se.node->isinternal()) - { - const btDbvtNode* pns[] = {se.node->childs[0], se.node->childs[1]}; - sStkNPS nes[] = {sStkNPS(pns[0], se.mask, pns[0]->volume.ProjectMinimum(sortaxis, srtsgns)), - sStkNPS(pns[1], se.mask, pns[1]->volume.ProjectMinimum(sortaxis, srtsgns))}; - const int q = nes[0].value < nes[1].value ? 1 : 0; - int j = stack.size(); - if (fsort && (j > 0)) - { - /* Insert 0 */ - j = nearest(&stack[0], &stock[0], nes[q].value, 0, stack.size()); - stack.push_back(0); - - //void * memmove ( void * destination, const void * source, size_t num ); - -#if DBVT_USE_MEMMOVE - { - int num_items_to_move = stack.size() - 1 - j; - if (num_items_to_move > 0) - memmove(&stack[j + 1], &stack[j], sizeof(int) * num_items_to_move); - } -#else - for (int k = stack.size() - 1; k > j; --k) - { - stack[k] = stack[k - 1]; - } -#endif - stack[j] = allocate(ifree, stock, nes[q]); - /* Insert 1 */ - j = nearest(&stack[0], &stock[0], nes[1 - q].value, j, stack.size()); - stack.push_back(0); -#if DBVT_USE_MEMMOVE - { - int num_items_to_move = stack.size() - 1 - j; - if (num_items_to_move > 0) - memmove(&stack[j + 1], &stack[j], sizeof(int) * num_items_to_move); - } -#else - for (int k = stack.size() - 1; k > j; --k) - { - stack[k] = stack[k - 1]; - } -#endif - stack[j] = allocate(ifree, stock, nes[1 - q]); - } - else - { - stack.push_back(allocate(ifree, stock, nes[q])); - stack.push_back(allocate(ifree, stock, nes[1 - q])); - } - } - else - { - policy.Process(se.node, se.value); - } - } - } while (stack.size()); - } -} - -// -DBVT_PREFIX -inline void btDbvt::collideTU(const btDbvtNode* root, - DBVT_IPOLICY) -{ - DBVT_CHECKTYPE - if (root) - { - btAlignedObjectArray<const btDbvtNode*> stack; - stack.reserve(SIMPLE_STACKSIZE); - stack.push_back(root); - do - { - const btDbvtNode* n = stack[stack.size() - 1]; - stack.pop_back(); - if (policy.Descent(n)) - { - if (n->isinternal()) - { - stack.push_back(n->childs[0]); - stack.push_back(n->childs[1]); - } - else - { - policy.Process(n); - } - } - } while (stack.size() > 0); - } -} - -// -// PP Cleanup -// - -#undef DBVT_USE_MEMMOVE -#undef DBVT_USE_TEMPLATE -#undef DBVT_VIRTUAL_DTOR -#undef DBVT_VIRTUAL -#undef DBVT_PREFIX -#undef DBVT_IPOLICY -#undef DBVT_CHECKTYPE -#undef DBVT_IMPL_GENERIC -#undef DBVT_IMPL_SSE -#undef DBVT_USE_INTRINSIC_SSE -#undef DBVT_SELECT_IMPL -#undef DBVT_MERGE_IMPL -#undef DBVT_INT0_IMPL - -#endif |