Merge from trunk

(The last time there was some files missing due to failed connection to svn server while merging.. thats why this stuff of reverting last merge and redoing it)

svn merge -r 16231:16608 https://svn.blender.org/svnroot/bf-blender/trunk/blender

1 files changed, 547 insertions, 0 deletions

diff --git a/extern/bullet2/src/BulletCollision/BroadphaseCollision/btDbvtBroadphase.cpp b/extern/bullet2/src/BulletCollision/BroadphaseCollision/btDbvtBroadphase.cpp
new file mode 100644
index 00000000000..fd82fd7cae3
--- /dev/null
+++ b/extern/bullet2/src/BulletCollision/BroadphaseCollision/btDbvtBroadphase.cpp
@@ -0,0 +1,547 @@
+/*
+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.
+*/
+///btDbvtBroadphase implementation by Nathanael Presson
+
+#include "btDbvtBroadphase.h"
+
+//
+// Profiling
+//
+
+#if DBVT_BP_PROFILE||DBVT_BP_ENABLE_BENCHMARK
+#include <stdio.h>
+#endif
+
+#if DBVT_BP_PROFILE
+struct	ProfileScope
+	{
+	__forceinline ProfileScope(btClock& clock,unsigned long& value) :
+		m_clock(&clock),m_value(&value),m_base(clock.getTimeMicroseconds())
+		{
+		}
+	__forceinline ~ProfileScope()
+		{
+		(*m_value)+=m_clock->getTimeMicroseconds()-m_base;
+		}
+	btClock*		m_clock;
+	unsigned long*	m_value;
+	unsigned long	m_base;
+	};
+#define	SPC(_value_)	ProfileScope	spc_scope(m_clock,_value_)
+#else
+#define	SPC(_value_)
+#endif
+
+//
+// Helpers
+//
+
+//
+template <typename T>
+static inline void	listappend(T* item,T*& list)
+{
+item->links[0]=0;
+item->links[1]=list;
+if(list) list->links[0]=item;
+list=item;
+}
+
+//
+template <typename T>
+static inline void	listremove(T* item,T*& list)
+{
+if(item->links[0]) item->links[0]->links[1]=item->links[1]; else list=item->links[1];
+if(item->links[1]) item->links[1]->links[0]=item->links[0];
+}
+
+//
+template <typename T>
+static inline int	listcount(T* root)
+{
+int	n=0;
+while(root) { ++n;root=root->links[1]; }
+return(n);
+}
+
+//
+template <typename T>
+static inline void	clear(T& value)
+{
+static const struct ZeroDummy : T {} zerodummy;
+value=zerodummy;
+}
+
+//
+// Colliders
+//
+
+/* Tree collider	*/ 
+struct	btDbvtTreeCollider : btDbvt::ICollide
+{
+btDbvtBroadphase*	pbp;
+btDbvtProxy*		proxy;
+		btDbvtTreeCollider(btDbvtBroadphase* p) : pbp(p) {}
+void	Process(const btDbvtNode* na,const btDbvtNode* nb)
+	{
+	if(na!=nb)
+		{
+		btDbvtProxy*	pa=(btDbvtProxy*)na->data;
+		btDbvtProxy*	pb=(btDbvtProxy*)nb->data;
+		#if DBVT_BP_SORTPAIRS
+		if(pa>pb) btSwap(pa,pb);
+		#endif
+		pbp->m_paircache->addOverlappingPair(pa,pb);
+		++pbp->m_newpairs;
+		}
+	}
+void	Process(const btDbvtNode* n)
+	{
+	Process(n,proxy->leaf);
+	}
+};
+
+//
+// btDbvtBroadphase
+//
+
+//
+btDbvtBroadphase::btDbvtBroadphase(btOverlappingPairCache* paircache)
+{
+m_deferedcollide	=	false;
+m_needcleanup		=	true;
+m_releasepaircache	=	(paircache!=0)?false:true;
+m_prediction		=	1/(btScalar)2;
+m_stageCurrent		=	0;
+m_fixedleft			=	0;
+m_fupdates			=	1;
+m_dupdates			=	0;
+m_cupdates			=	10;
+m_newpairs			=	1;
+m_updates_call		=	0;
+m_updates_done		=	0;
+m_updates_ratio		=	0;
+m_paircache			=	paircache?
+						paircache	:
+						new(btAlignedAlloc(sizeof(btHashedOverlappingPairCache),16)) btHashedOverlappingPairCache();
+m_gid				=	0;
+m_pid				=	0;
+m_cid				=	0;
+for(int i=0;i<=STAGECOUNT;++i)
+	{
+	m_stageRoots[i]=0;
+	}
+#if DBVT_BP_PROFILE
+clear(m_profiling);
+#endif
+}
+
+//
+btDbvtBroadphase::~btDbvtBroadphase()
+{
+if(m_releasepaircache) 
+{
+	m_paircache->~btOverlappingPairCache();
+	btAlignedFree(m_paircache);
+}
+}
+
+//
+btBroadphaseProxy*				btDbvtBroadphase::createProxy(	const btVector3& aabbMin,
+																const btVector3& aabbMax,
+																int /*shapeType*/,
+																void* userPtr,
+																short int collisionFilterGroup,
+																short int collisionFilterMask,
+																btDispatcher* dispatcher,
+																void* /*multiSapProxy*/)
+{
+btDbvtProxy*		proxy=new(btAlignedAlloc(sizeof(btDbvtProxy),16)) btDbvtProxy(	userPtr,
+																					collisionFilterGroup,
+																					collisionFilterMask);
+proxy->aabb			=	btDbvtVolume::FromMM(aabbMin,aabbMax);
+proxy->stage		=	m_stageCurrent;
+proxy->m_uniqueId	=	++m_gid;
+proxy->leaf			=	m_sets[0].insert(proxy->aabb,proxy);
+listappend(proxy,m_stageRoots[m_stageCurrent]);
+if(!m_deferedcollide)
+	{
+	btDbvtTreeCollider	collider(this);
+	collider.proxy=proxy;
+	btDbvt::collideTV(m_sets[0].m_root,proxy->aabb,collider);
+	}
+return(proxy);
+}
+
+//
+void							btDbvtBroadphase::destroyProxy(	btBroadphaseProxy* absproxy,
+																btDispatcher* dispatcher)
+{
+btDbvtProxy*	proxy=(btDbvtProxy*)absproxy;
+if(proxy->stage==STAGECOUNT)
+	m_sets[1].remove(proxy->leaf);
+	else
+	m_sets[0].remove(proxy->leaf);
+listremove(proxy,m_stageRoots[proxy->stage]);
+m_paircache->removeOverlappingPairsContainingProxy(proxy,dispatcher);
+btAlignedFree(proxy);
+m_needcleanup=true;
+}
+
+//
+void							btDbvtBroadphase::setAabb(		btBroadphaseProxy* absproxy,
+																const btVector3& aabbMin,
+																const btVector3& aabbMax,
+																btDispatcher* /*dispatcher*/)
+{
+btDbvtProxy*						proxy=(btDbvtProxy*)absproxy;
+ATTRIBUTE_ALIGNED16(btDbvtVolume)	aabb=btDbvtVolume::FromMM(aabbMin,aabbMax);
+#if DBVT_BP_PREVENTFALSEUPDATE
+if(NotEqual(aabb,proxy->leaf->volume))
+#endif
+	{
+	bool	docollide=false;
+	if(proxy->stage==STAGECOUNT)
+		{/* fixed -> dynamic set	*/ 
+		m_sets[1].remove(proxy->leaf);
+		proxy->leaf=m_sets[0].insert(aabb,proxy);
+		docollide=true;
+		}
+		else
+		{/* dynamic set				*/ 
+		++m_updates_call;
+		if(Intersect(proxy->leaf->volume,aabb))
+			{/* Moving				*/ 
+			const btVector3	delta=aabbMin-proxy->aabb.Mins();
+			btVector3		velocity(aabb.Extents()*m_prediction);
+			if(delta[0]<0) velocity[0]=-velocity[0];
+			if(delta[1]<0) velocity[1]=-velocity[1];
+			if(delta[2]<0) velocity[2]=-velocity[2];
+			if	(
+				#ifdef DBVT_BP_MARGIN				
+				m_sets[0].update(proxy->leaf,aabb,velocity,DBVT_BP_MARGIN)
+				#else
+				m_sets[0].update(proxy->leaf,aabb,velocity)
+				#endif
+				)
+				{
+				++m_updates_done;
+				docollide=true;
+				}
+			}
+			else
+			{/* Teleporting			*/ 
+			m_sets[0].update(proxy->leaf,aabb);
+			++m_updates_done;
+			docollide=true;
+			}	
+		}
+	listremove(proxy,m_stageRoots[proxy->stage]);
+	proxy->aabb		=	aabb;
+	proxy->stage	=	m_stageCurrent;
+	listappend(proxy,m_stageRoots[m_stageCurrent]);
+	if(docollide)
+		{
+		m_needcleanup=true;
+		if(!m_deferedcollide)
+			{
+			btDbvtTreeCollider	collider(this);
+			btDbvt::collideTT(m_sets[1].m_root,proxy->leaf,collider);
+			btDbvt::collideTT(m_sets[0].m_root,proxy->leaf,collider);
+			}
+		}	
+	}
+}
+
+//
+void							btDbvtBroadphase::calculateOverlappingPairs(btDispatcher* dispatcher)
+{
+collide(dispatcher);
+#if DBVT_BP_PROFILE
+if(0==(m_pid%DBVT_BP_PROFILING_RATE))
+	{	
+	printf("fixed(%u) dynamics(%u) pairs(%u)\r\n",m_sets[1].m_leaves,m_sets[0].m_leaves,m_paircache->getNumOverlappingPairs());
+	unsigned int	total=m_profiling.m_total;
+	if(total<=0) total=1;
+	printf("ddcollide: %u%% (%uus)\r\n",(50+m_profiling.m_ddcollide*100)/total,m_profiling.m_ddcollide/DBVT_BP_PROFILING_RATE);
+	printf("fdcollide: %u%% (%uus)\r\n",(50+m_profiling.m_fdcollide*100)/total,m_profiling.m_fdcollide/DBVT_BP_PROFILING_RATE);
+	printf("cleanup:   %u%% (%uus)\r\n",(50+m_profiling.m_cleanup*100)/total,m_profiling.m_cleanup/DBVT_BP_PROFILING_RATE);
+	printf("total:     %uus\r\n",total/DBVT_BP_PROFILING_RATE);
+	const unsigned long	sum=m_profiling.m_ddcollide+
+							m_profiling.m_fdcollide+
+							m_profiling.m_cleanup;
+	printf("leaked: %u%% (%uus)\r\n",100-((50+sum*100)/total),(total-sum)/DBVT_BP_PROFILING_RATE);
+	printf("job counts: %u%%\r\n",(m_profiling.m_jobcount*100)/((m_sets[0].m_leaves+m_sets[1].m_leaves)*DBVT_BP_PROFILING_RATE));
+	clear(m_profiling);
+	m_clock.reset();
+	}
+#endif
+}
+
+//
+void							btDbvtBroadphase::collide(btDispatcher* dispatcher)
+{
+SPC(m_profiling.m_total);
+/* optimize				*/ 
+m_sets[0].optimizeIncremental(1+(m_sets[0].m_leaves*m_dupdates)/100);
+if(m_fixedleft)
+	{
+	const int count=1+(m_sets[1].m_leaves*m_fupdates)/100;
+	m_sets[1].optimizeIncremental(1+(m_sets[1].m_leaves*m_fupdates)/100);
+	m_fixedleft=btMax<int>(0,m_fixedleft-count);
+	}
+/* dynamic -> fixed set	*/ 
+m_stageCurrent=(m_stageCurrent+1)%STAGECOUNT;
+btDbvtProxy*	current=m_stageRoots[m_stageCurrent];
+if(current)
+	{
+	btDbvtTreeCollider	collider(this);
+	do	{
+		btDbvtProxy*	next=current->links[1];
+		listremove(current,m_stageRoots[current->stage]);
+		listappend(current,m_stageRoots[STAGECOUNT]);
+		#if DBVT_BP_ACCURATESLEEPING
+		m_paircache->removeOverlappingPairsContainingProxy(current,dispatcher);
+		collider.proxy=current;
+		btDbvt::collideTV(m_sets[0].m_root,current->aabb,collider);
+		btDbvt::collideTV(m_sets[1].m_root,current->aabb,collider);
+		#endif
+		m_sets[0].remove(current->leaf);
+		current->leaf	=	m_sets[1].insert(current->aabb,current);
+		current->stage	=	STAGECOUNT;	
+		current			=	next;
+		} while(current);
+	m_fixedleft=m_sets[1].m_leaves;
+	m_needcleanup=true;
+	}
+/* collide dynamics		*/ 
+	{
+	btDbvtTreeCollider	collider(this);
+	if(m_deferedcollide)
+		{
+		SPC(m_profiling.m_fdcollide);
+		btDbvt::collideTT(m_sets[0].m_root,m_sets[1].m_root,collider);
+		}
+	if(m_deferedcollide)
+		{
+		SPC(m_profiling.m_ddcollide);
+		btDbvt::collideTT(m_sets[0].m_root,m_sets[0].m_root,collider);
+		}
+	}
+/* clean up				*/ 
+if(m_needcleanup)
+	{
+	SPC(m_profiling.m_cleanup);
+	btBroadphasePairArray&	pairs=m_paircache->getOverlappingPairArray();
+	if(pairs.size()>0)
+		{
+		const int	ci=pairs.size();
+		int			ni=btMin(ci,btMax<int>(m_newpairs,(ci*m_cupdates)/100));
+		for(int i=0;i<ni;++i)
+			{
+			btBroadphasePair&	p=pairs[(m_cid+i)%ci];
+			btDbvtProxy*		pa=(btDbvtProxy*)p.m_pProxy0;
+			btDbvtProxy*		pb=(btDbvtProxy*)p.m_pProxy1;
+			if(!Intersect(pa->leaf->volume,pb->leaf->volume))
+				{
+				#if DBVT_BP_SORTPAIRS
+				if(pa>pb) btSwap(pa,pb);
+				#endif
+				m_paircache->removeOverlappingPair(pa,pb,dispatcher);
+				--ni;--i;
+				}
+			}
+		if(pairs.size()>0) m_cid=(m_cid+ni)%pairs.size(); else m_cid=0;
+		}
+	}
+++m_pid;
+m_newpairs=1;
+m_needcleanup=false;
+if(m_updates_call>0)
+	{ m_updates_ratio=m_updates_done/(btScalar)m_updates_call; }
+	else
+	{ m_updates_ratio=0; }
+m_updates_done/=2;
+m_updates_call/=2;
+}
+
+//
+void							btDbvtBroadphase::optimize()
+{
+m_sets[0].optimizeTopDown();
+m_sets[1].optimizeTopDown();
+}
+
+//
+btOverlappingPairCache*			btDbvtBroadphase::getOverlappingPairCache()
+{
+return(m_paircache);
+}
+
+//
+const btOverlappingPairCache*	btDbvtBroadphase::getOverlappingPairCache() const
+{
+return(m_paircache);
+}
+
+//
+void							btDbvtBroadphase::getBroadphaseAabb(btVector3& aabbMin,btVector3& aabbMax) const
+{
+
+	ATTRIBUTE_ALIGNED16(btDbvtVolume)	bounds;
+
+if(!m_sets[0].empty())
+	if(!m_sets[1].empty())	Merge(	m_sets[0].m_root->volume,
+									m_sets[1].m_root->volume,bounds);
+							else
+							bounds=m_sets[0].m_root->volume;
+else if(!m_sets[1].empty())	bounds=m_sets[1].m_root->volume;
+							else
+							bounds=btDbvtVolume::FromCR(btVector3(0,0,0),0);
+aabbMin=bounds.Mins();
+aabbMax=bounds.Maxs();
+}
+
+//
+void							btDbvtBroadphase::printStats()
+{}
+
+//
+#if DBVT_BP_ENABLE_BENCHMARK
+
+struct	btBroadphaseBenchmark
+	{
+	struct	Experiment
+		{
+		const char*			name;
+		int					object_count;
+		int					update_count;
+		int					spawn_count;
+		int					iterations;
+		btScalar			speed;
+		btScalar			amplitude;
+		};
+	struct	Object
+		{
+		btVector3			center;
+		btVector3			extents;
+		btBroadphaseProxy*	proxy;
+		btScalar			time;
+		void				update(btScalar speed,btScalar amplitude,btBroadphaseInterface* pbi)
+			{
+			time		+=	speed;
+			center[0]	=	btCos(time*(btScalar)2.17)*amplitude+
+							btSin(time)*amplitude/2;
+			center[1]	=	btCos(time*(btScalar)1.38)*amplitude+
+							btSin(time)*amplitude;
+			center[2]	=	btSin(time*(btScalar)0.777)*amplitude;
+			pbi->setAabb(proxy,center-extents,center+extents,0);
+			}
+		};
+	static int		UnsignedRand(int range=RAND_MAX-1)	{ return(rand()%(range+1)); }
+	static btScalar	UnitRand()							{ return(UnsignedRand(16384)/(btScalar)16384); }
+	static void		OutputTime(const char* name,btClock& c,unsigned count=0)
+		{
+		const unsigned long	us=c.getTimeMicroseconds();
+		const unsigned long	ms=(us+500)/1000;
+		const btScalar		sec=us/(btScalar)(1000*1000);
+		if(count>0)
+			printf("%s : %u us (%u ms), %.2f/s\r\n",name,us,ms,count/sec);
+			else
+			printf("%s : %u us (%u ms)\r\n",name,us,ms);
+		}
+	};
+
+void							btDbvtBroadphase::benchmark(btBroadphaseInterface* pbi)
+{
+static const btBroadphaseBenchmark::Experiment		experiments[]=
+	{
+	{"1024o.10%",1024,10,0,8192,(btScalar)0.005,(btScalar)100},
+	/*{"4096o.10%",4096,10,0,8192,(btScalar)0.005,(btScalar)100},
+	{"8192o.10%",8192,10,0,8192,(btScalar)0.005,(btScalar)100},*/
+	};
+static const int										nexperiments=sizeof(experiments)/sizeof(experiments[0]);
+btAlignedObjectArray<btBroadphaseBenchmark::Object*>	objects;
+btClock													wallclock;
+/* Begin			*/ 
+for(int iexp=0;iexp<nexperiments;++iexp)
+	{
+	const btBroadphaseBenchmark::Experiment&	experiment=experiments[iexp];
+	const int									object_count=experiment.object_count;
+	const int									update_count=(object_count*experiment.update_count)/100;
+	const int									spawn_count=(object_count*experiment.spawn_count)/100;
+	const btScalar								speed=experiment.speed;	
+	const btScalar								amplitude=experiment.amplitude;
+	printf("Experiment #%u '%s':\r\n",iexp,experiment.name);
+	printf("\tObjects: %u\r\n",object_count);
+	printf("\tUpdate: %u\r\n",update_count);
+	printf("\tSpawn: %u\r\n",spawn_count);
+	printf("\tSpeed: %f\r\n",speed);
+	printf("\tAmplitude: %f\r\n",amplitude);
+	srand(180673);
+	/* Create objects	*/ 
+	wallclock.reset();
+	objects.reserve(object_count);
+	for(int i=0;i<object_count;++i)
+		{
+		btBroadphaseBenchmark::Object*	po=new btBroadphaseBenchmark::Object();
+		po->center[0]=btBroadphaseBenchmark::UnitRand()*50;
+		po->center[1]=btBroadphaseBenchmark::UnitRand()*50;
+		po->center[2]=btBroadphaseBenchmark::UnitRand()*50;
+		po->extents[0]=btBroadphaseBenchmark::UnitRand()*2+2;
+		po->extents[1]=btBroadphaseBenchmark::UnitRand()*2+2;
+		po->extents[2]=btBroadphaseBenchmark::UnitRand()*2+2;
+		po->time=btBroadphaseBenchmark::UnitRand()*2000;
+		po->proxy=pbi->createProxy(po->center-po->extents,po->center+po->extents,0,po,1,1,0,0);
+		objects.push_back(po);
+		}
+	btBroadphaseBenchmark::OutputTime("\tInitialization",wallclock);
+	/* First update		*/ 
+	wallclock.reset();
+	for(int i=0;i<objects.size();++i)
+		{
+		objects[i]->update(speed,amplitude,pbi);
+		}
+	btBroadphaseBenchmark::OutputTime("\tFirst update",wallclock);
+	/* Updates			*/ 
+	wallclock.reset();
+	for(int i=0;i<experiment.iterations;++i)
+		{
+		for(int j=0;j<update_count;++j)
+			{				
+			objects[j]->update(speed,amplitude,pbi);
+			}
+		pbi->calculateOverlappingPairs(0);
+		}
+	btBroadphaseBenchmark::OutputTime("\tUpdate",wallclock,experiment.iterations);
+	/* Clean up			*/ 
+	wallclock.reset();
+	for(int i=0;i<objects.size();++i)
+		{
+		pbi->destroyProxy(objects[i]->proxy,0);
+		delete objects[i];
+		}
+	objects.resize(0);
+	btBroadphaseBenchmark::OutputTime("\tRelease",wallclock);
+	}
+
+}
+#else
+void							btDbvtBroadphase::benchmark(btBroadphaseInterface*)
+{}
+#endif
+
+#if DBVT_BP_PROFILE
+#undef	SPC
+#endif