void PhysicalEntitySimulation::getObjectsToAddToPhysics(VectorOfMotionStates& result) {
result.clear();
QMutexLocker lock(&_mutex);
SetOfEntities::iterator entityItr = _entitiesToAddToPhysics.begin();
while (entityItr != _entitiesToAddToPhysics.end()) {
EntityItemPointer entity = (*entityItr);
assert(!entity->getPhysicsInfo());
if (entity->isDead()) {
prepareEntityForDelete(entity);
} else if (!entity->shouldBePhysical()) {
// this entity should no longer be on the internal _entitiesToAddToPhysics
entityItr = _entitiesToAddToPhysics.erase(entityItr);
if (entity->isMoving()) {
_simpleKinematicEntities.insert(entity);
}
} else if (entity->isReadyToComputeShape()) {
ShapeInfo shapeInfo;
entity->computeShapeInfo(shapeInfo);
btCollisionShape* shape = ObjectMotionState::getShapeManager()->getShape(shapeInfo);
if (shape) {
EntityMotionState* motionState = new EntityMotionState(shape, entity);
entity->setPhysicsInfo(static_cast<void*>(motionState));
_physicalObjects.insert(motionState);
result.push_back(motionState);
entityItr = _entitiesToAddToPhysics.erase(entityItr);
} else {
//qDebug() << "Warning! Failed to generate new shape for entity." << entity->getName();
++entityItr;
}
} else {
++entityItr;
}
}
}
VectorOfMotionStates PhysicsEngine::changeObjects(const VectorOfMotionStates& objects) {
VectorOfMotionStates stillNeedChange;
for (auto object : objects) {
uint32_t flags = object->getIncomingDirtyFlags() & DIRTY_PHYSICS_FLAGS;
if (flags & HARD_DIRTY_PHYSICS_FLAGS) {
if (object->handleHardAndEasyChanges(flags, this)) {
object->clearIncomingDirtyFlags();
} else {
stillNeedChange.push_back(object);
}
} else if (flags & EASY_DIRTY_PHYSICS_FLAGS) {
object->handleEasyChanges(flags);
object->clearIncomingDirtyFlags();
}
if (object->getMotionType() == MOTION_TYPE_STATIC && object->isActive()) {
_activeStaticBodies.push_back(object->getRigidBody());
}
}
// active static bodies have changed (in an Easy way) and need their Aabbs updated
// but we've configured Bullet to NOT update them automatically (for improved performance)
// so we must do it ourselves
for (size_t i = 0; i < _activeStaticBodies.size(); ++i) {
_dynamicsWorld->updateSingleAabb(_activeStaticBodies[i]);
}
return stillNeedChange;
}
void PhysicalEntitySimulation::getObjectsToChange(VectorOfMotionStates& result) {
result.clear();
QMutexLocker lock(&_mutex);
for (auto stateItr : _pendingChanges) {
EntityMotionState* motionState = &(*stateItr);
result.push_back(motionState);
}
_pendingChanges.clear();
}
VectorOfMotionStates PhysicsEngine::changeObjects(const VectorOfMotionStates& objects) {
VectorOfMotionStates stillNeedChange;
for (auto object : objects) {
uint32_t flags = object->getIncomingDirtyFlags() & DIRTY_PHYSICS_FLAGS;
if (flags & HARD_DIRTY_PHYSICS_FLAGS) {
if (object->handleHardAndEasyChanges(flags, this)) {
object->clearIncomingDirtyFlags();
} else {
stillNeedChange.push_back(object);
}
} else if (flags & EASY_DIRTY_PHYSICS_FLAGS) {
if (object->handleEasyChanges(flags, this)) {
object->clearIncomingDirtyFlags();
} else {
stillNeedChange.push_back(object);
}
}
}
return stillNeedChange;
}
void PhysicalEntitySimulation::getObjectsToRemoveFromPhysics(VectorOfMotionStates& result) {
result.clear();
QMutexLocker lock(&_mutex);
for (auto entity: _entitiesToRemoveFromPhysics) {
// make sure it isn't on any side lists
_entitiesToAddToPhysics.remove(entity);
EntityMotionState* motionState = static_cast<EntityMotionState*>(entity->getPhysicsInfo());
assert(motionState);
_pendingChanges.remove(motionState);
_physicalObjects.remove(motionState);
result.push_back(motionState);
_entitiesToRelease.insert(entity);
if (entity->isSimulated() && entity->isDead()) {
_entitiesToDelete.insert(entity);
}
}
_entitiesToRemoveFromPhysics.clear();
}