void EntitySimulation::changeEntity(EntityItemPointer entity) {
assert(entity);
if (!entity->_simulated) {
// This entity was either never added to the simulation or has been removed
// (probably for pending delete), so we don't want to keep a pointer to it
// on any internal lists.
return;
}
// Although it is not the responsibility of the EntitySimulation to sort the tree for EXTERNAL changes
// it IS responsibile for triggering deletes for entities that leave the bounds of the domain, hence
// we must check for that case here, however we rely on the change event to have set DIRTY_POSITION flag.
bool wasRemoved = false;
uint32_t dirtyFlags = entity->getDirtyFlags();
if (dirtyFlags & EntityItem::DIRTY_POSITION) {
AACube domainBounds(glm::vec3(0.0f,0.0f,0.0f), (float)TREE_SCALE);
AACube newCube = entity->getMaximumAACube();
if (!domainBounds.touches(newCube)) {
qCDebug(entities) << "Entity " << entity->getEntityItemID() << " moved out of domain bounds.";
_entitiesToDelete.insert(entity);
_mortalEntities.remove(entity);
_entitiesToUpdate.remove(entity);
_entitiesToSort.remove(entity);
_simpleKinematicEntities.remove(entity);
removeEntityInternal(entity);
entity->_simulated = false;
wasRemoved = true;
}
}
if (!wasRemoved) {
if (dirtyFlags & EntityItem::DIRTY_LIFETIME) {
if (entity->isMortal()) {
_mortalEntities.insert(entity);
quint64 expiry = entity->getExpiry();
if (expiry < _nextExpiry) {
_nextExpiry = expiry;
}
} else {
_mortalEntities.remove(entity);
}
entity->clearDirtyFlags(EntityItem::DIRTY_LIFETIME);
}
if (entity->needsToCallUpdate()) {
_entitiesToUpdate.insert(entity);
} else {
_entitiesToUpdate.remove(entity);
}
changeEntityInternal(entity);
}
}
// protected
void EntitySimulation::callUpdateOnEntitiesThatNeedIt(const quint64& now) {
PerformanceTimer perfTimer("updatingEntities");
SetOfEntities::iterator itemItr = _entitiesToUpdate.begin();
while (itemItr != _entitiesToUpdate.end()) {
EntityItemPointer entity = *itemItr;
// TODO: catch transition from needing update to not as a "change"
// so we don't have to scan for it here.
if (!entity->needsToCallUpdate()) {
itemItr = _entitiesToUpdate.erase(itemItr);
} else {
entity->update(now);
++itemItr;
}
}
}
void EntitySimulation::addEntity(EntityItemPointer entity) {
assert(entity);
entity->deserializeActions();
if (entity->isMortal()) {
_mortalEntities.insert(entity);
quint64 expiry = entity->getExpiry();
if (expiry < _nextExpiry) {
_nextExpiry = expiry;
}
}
if (entity->needsToCallUpdate()) {
_entitiesToUpdate.insert(entity);
}
addEntityInternal(entity);
_allEntities.insert(entity);
entity->_simulated = true;
// DirtyFlags are used to signal changes to entities that have already been added,
// so we can clear them for this entity which has just been added.
entity->clearDirtyFlags();
}
