Blender: btSimulationIslandManager Class Reference

Blender V4.3

SimulationIslandManager creates and handles simulation islands, using btUnionFind. More...

#include <btSimulationIslandManager.h>

Inherited by btSimulationIslandManagerMt.

Classes
struct	IslandCallback

Public Member Functions
	btSimulationIslandManager ()

virtual	~btSimulationIslandManager ()

void	initUnionFind (int n)

btUnionFind &	getUnionFind ()

virtual void	updateActivationState (btCollisionWorld colWorld, btDispatcher dispatcher)

virtual void	storeIslandActivationState (btCollisionWorld *world)

void	findUnions (btDispatcher dispatcher, btCollisionWorld colWorld)

void	buildAndProcessIslands (btDispatcher dispatcher, btCollisionWorld collisionWorld, IslandCallback *callback)

void	buildIslands (btDispatcher dispatcher, btCollisionWorld colWorld)

void	processIslands (btDispatcher dispatcher, btCollisionWorld collisionWorld, IslandCallback *callback)

bool	getSplitIslands ()

void	setSplitIslands (bool doSplitIslands)

Detailed Description

SimulationIslandManager creates and handles simulation islands, using btUnionFind.

Definition at line 30 of file btSimulationIslandManager.h.

Constructor & Destructor Documentation

◆ btSimulationIslandManager()

btSimulationIslandManager::btSimulationIslandManager ( )

Definition at line 27 of file btSimulationIslandManager.cpp.

◆ ~btSimulationIslandManager()

btSimulationIslandManager::~btSimulationIslandManager ( )

virtual

Definition at line 31 of file btSimulationIslandManager.cpp.

Referenced by btDiscreteDynamicsWorldMt(), and ~btDiscreteDynamicsWorld().

Member Function Documentation

◆ buildAndProcessIslands()

void btSimulationIslandManager::buildAndProcessIslands	(	btDispatcher *	dispatcher,
		btCollisionWorld *	collisionWorld,
		IslandCallback *	callback )

Todo: : this is random access, it can be walked 'cache friendly'!

Definition at line 343 of file btSimulationIslandManager.cpp.

References buildIslands(), callback, and processIslands().

Referenced by btMultiBodyDynamicsWorld::buildIslands().

◆ buildIslands()

void btSimulationIslandManager::buildIslands	(	btDispatcher *	dispatcher,
		btCollisionWorld *	colWorld )

◆ findUnions()

void btSimulationIslandManager::findUnions	(	btDispatcher *	dispatcher,
		btCollisionWorld *	colWorld )

Definition at line 40 of file btSimulationIslandManager.cpp.

References btBroadphasePair, getIslandTag(), btOverlappingPairCache::getNumOverlappingPairs(), btOverlappingPairCache::getOverlappingPairArrayPtr(), btCollisionWorld::getPairCache(), mergesSimulationIslands(), and btUnionFind::unite().

Referenced by updateActivationState().

◆ getSplitIslands()

bool btSimulationIslandManager::getSplitIslands ( )

inline

Definition at line 65 of file btSimulationIslandManager.h.

Referenced by btSimulationIslandManagerMt::buildAndProcessIslands().

◆ getUnionFind()

btUnionFind & btSimulationIslandManager::getUnionFind ( )

inline

Definition at line 45 of file btSimulationIslandManager.h.

Referenced by btSimulationIslandManagerMt::addBodiesToIslands(), buildIslands(), btSimulationIslandManagerMt::buildIslands(), btMultiBodyDynamicsWorld::calculateSimulationIslands(), btSimulationIslandManagerMt::initIslandPools(), and processIslands().

◆ initUnionFind()

void btSimulationIslandManager::initUnionFind ( int n )

Definition at line 35 of file btSimulationIslandManager.cpp.

References btUnionFind::reset().

Referenced by updateActivationState().

◆ processIslands()

void btSimulationIslandManager::processIslands	(	btDispatcher *	dispatcher,
		btCollisionWorld *	collisionWorld,
		IslandCallback *	callback )

Process the actual simulation, only if not sleeping/deactivated

Definition at line 349 of file btSimulationIslandManager.cpp.

References BT_PROFILE, btPersistentManifold(), callback, btCollisionWorld::getCollisionObjectArray(), btCollisionWorld::getDispatchInfo(), btUnionFind::getElement(), btDispatcher::getInternalManifoldPointer(), getIslandId(), btUnionFind::getNumElements(), btDispatcher::getNumManifolds(), getUnionFind(), int, btDispatcherInfo::m_deterministicOverlappingPairs, btElement::m_id, btElement::m_sz, numManifolds, btAlignedObjectArray< T >::push_back(), btAlignedObjectArray< T >::quickSort(), btAlignedObjectArray< T >::resize(), and btAlignedObjectArray< T >::size().

Referenced by buildAndProcessIslands(), and btDeformableMultiBodyDynamicsWorld::solveContactConstraints().

◆ setSplitIslands()

void btSimulationIslandManager::setSplitIslands ( bool doSplitIslands )

inline

Definition at line 69 of file btSimulationIslandManager.h.

◆ storeIslandActivationState()

void btSimulationIslandManager::storeIslandActivationState ( btCollisionWorld * world )

virtual

Definition at line 92 of file btSimulationIslandManager.cpp.

References btUnionFind::find(), btCollisionWorld::getCollisionObjectArray(), btUnionFind::getElement(), btElement::m_sz, and size().

Referenced by btMultiBodyDynamicsWorld::calculateSimulationIslands().

◆ updateActivationState()

void btSimulationIslandManager::updateActivationState	(	btCollisionWorld *	colWorld,
		btDispatcher *	dispatcher )

virtual

Definition at line 67 of file btSimulationIslandManager.cpp.

References findUnions(), btCollisionWorld::getCollisionObjectArray(), initUnionFind(), and size().

Referenced by btMultiBodyDynamicsWorld::calculateSimulationIslands().

The documentation for this class was generated from the following files: