void EntityTree::deleteEntity(const EntityItemID& entityID, bool force, bool ignoreWarnings) {
EntityTreeElementPointer containingElement = getContainingElement(entityID);
if (!containingElement) {
if (!ignoreWarnings) {
qCDebug(entities) << "UNEXPECTED!!!! EntityTree::deleteEntity() entityID doesn't exist!!! entityID=" << entityID;
}
return;
}
EntityItemPointer existingEntity = containingElement->getEntityWithEntityItemID(entityID);
if (!existingEntity) {
if (!ignoreWarnings) {
qCDebug(entities) << "UNEXPECTED!!!! don't call EntityTree::deleteEntity() on entity items that don't exist. "
"entityID=" << entityID;
}
return;
}
if (existingEntity->getLocked() && !force) {
if (!ignoreWarnings) {
qCDebug(entities) << "ERROR! EntityTree::deleteEntity() trying to delete locked entity. entityID=" << entityID;
}
return;
}
emit deletingEntity(entityID);
// NOTE: callers must lock the tree before using this method
DeleteEntityOperator theOperator(getThisPointer(), entityID);
recurseTreeWithOperator(&theOperator);
processRemovedEntities(theOperator);
_isDirty = true;
}
void EntityTree::deleteEntities(QSet<EntityItemID> entityIDs, bool force, bool ignoreWarnings) {
// NOTE: callers must lock the tree before using this method
DeleteEntityOperator theOperator(getThisPointer());
foreach(const EntityItemID& entityID, entityIDs) {
EntityTreeElementPointer containingElement = getContainingElement(entityID);
if (!containingElement) {
if (!ignoreWarnings) {
qCDebug(entities) << "UNEXPECTED!!!! EntityTree::deleteEntities() entityID doesn't exist!!! entityID=" << entityID;
}
continue;
}
EntityItemPointer existingEntity = containingElement->getEntityWithEntityItemID(entityID);
if (!existingEntity) {
if (!ignoreWarnings) {
qCDebug(entities) << "UNEXPECTED!!!! don't call EntityTree::deleteEntities() on entity items that don't exist. "
"entityID=" << entityID;
}
continue;
}
if (existingEntity->getLocked() && !force) {
if (!ignoreWarnings) {
qCDebug(entities) << "ERROR! EntityTree::deleteEntities() trying to delete locked entity. entityID=" << entityID;
}
continue;
}
// tell our delete operator about this entityID
theOperator.addEntityIDToDeleteList(entityID);
emit deletingEntity(entityID);
}
void ObjectAction::updateAction(btCollisionWorld* collisionWorld, btScalar deltaTimeStep) {
quint64 expiresWhen = 0;
EntityItemPointer ownerEntity = nullptr;
withReadLock([&]{
ownerEntity = _ownerEntity.lock();
expiresWhen = _expires;
});
if (!ownerEntity) {
qCDebug(physics) << "warning -- action [" << _tag << "] with no entity removing self from btCollisionWorld.";
btDynamicsWorld* dynamicsWorld = static_cast<btDynamicsWorld*>(collisionWorld);
if (dynamicsWorld) {
dynamicsWorld->removeAction(this);
}
return;
}
if (expiresWhen > 0) {
quint64 now = usecTimestampNow();
if (now > expiresWhen) {
QUuid myID;
withWriteLock([&]{
_active = false;
myID = getID();
});
if (ownerEntity) {
ownerEntity->removeAction(nullptr, myID);
}
}
}
if (!_active) {
return;
}
if (ownerEntity->getLocked()) {
return;
}
updateActionWorker(deltaTimeStep);
}
void EntityScriptingInterface::deleteEntity(QUuid id) {
EntityItemID entityID(id);
bool shouldDelete = true;
// If we have a local entity tree set, then also update it.
if (_entityTree) {
_entityTree->withWriteLock([&] {
EntityItemPointer entity = _entityTree->findEntityByEntityItemID(entityID);
if (entity) {
auto dimensions = entity->getDimensions();
float volume = dimensions.x * dimensions.y * dimensions.z;
auto density = entity->getDensity();
auto velocity = entity->getVelocity().length();
float cost = calculateCost(density * volume, velocity, 0);
cost *= costMultiplier;
if (cost > _currentAvatarEnergy) {
shouldDelete = false;
return;
} else {
//debit the avatar energy and continue
emit debitEnergySource(cost);
}
if (entity->getLocked()) {
shouldDelete = false;
} else {
_entityTree->deleteEntity(entityID);
}
}
});
}
// if at this point, we know the id, and we should still delete the entity, send the update to the entity server
if (shouldDelete) {
getEntityPacketSender()->queueEraseEntityMessage(entityID);
}
}
void EntityScriptingInterface::deleteEntity(QUuid id) {
EntityItemID entityID(id);
bool shouldDelete = true;
// If we have a local entity tree set, then also update it.
if (_entityTree) {
_entityTree->withWriteLock([&] {
EntityItemPointer entity = _entityTree->findEntityByEntityItemID(entityID);
if (entity) {
if (entity->getLocked()) {
shouldDelete = false;
} else {
_entityTree->deleteEntity(entityID);
}
}
});
}
// if at this point, we know the id, and we should still delete the entity, send the update to the entity server
if (shouldDelete) {
getEntityPacketSender()->queueEraseEntityMessage(entityID);
}
}
bool EntityTree::updateEntityWithElement(EntityItemPointer entity, const EntityItemProperties& origProperties,
EntityTreeElementPointer containingElement, const SharedNodePointer& senderNode) {
EntityItemProperties properties = origProperties;
bool allowLockChange;
QUuid senderID;
if (senderNode.isNull()) {
auto nodeList = DependencyManager::get<NodeList>();
allowLockChange = nodeList->getThisNodeCanAdjustLocks();
senderID = nodeList->getSessionUUID();
} else {
allowLockChange = senderNode->getCanAdjustLocks();
senderID = senderNode->getUUID();
}
if (!allowLockChange && (entity->getLocked() != properties.getLocked())) {
qCDebug(entities) << "Refusing disallowed lock adjustment.";
return false;
}
// enforce support for locked entities. If an entity is currently locked, then the only
// property we allow you to change is the locked property.
if (entity->getLocked()) {
if (properties.lockedChanged()) {
bool wantsLocked = properties.getLocked();
if (!wantsLocked) {
EntityItemProperties tempProperties;
tempProperties.setLocked(wantsLocked);
UpdateEntityOperator theOperator(getThisPointer(), containingElement, entity, tempProperties);
recurseTreeWithOperator(&theOperator);
_isDirty = true;
}
}
} else {
if (getIsServer()) {
bool simulationBlocked = !entity->getSimulatorID().isNull();
if (properties.simulationOwnerChanged()) {
QUuid submittedID = properties.getSimulationOwner().getID();
// a legit interface will only submit their own ID or NULL:
if (submittedID.isNull()) {
if (entity->getSimulatorID() == senderID) {
// We only allow the simulation owner to clear their own simulationID's.
simulationBlocked = false;
properties.clearSimulationOwner(); // clear everything
}
// else: We assume the sender really did believe it was the simulation owner when it sent
} else if (submittedID == senderID) {
// the sender is trying to take or continue ownership
if (entity->getSimulatorID().isNull()) {
// the sender it taking ownership
properties.promoteSimulationPriority(RECRUIT_SIMULATION_PRIORITY);
simulationBlocked = false;
} else if (entity->getSimulatorID() == senderID) {
// the sender is asserting ownership
simulationBlocked = false;
} else {
// the sender is trying to steal ownership from another simulator
// so we apply the rules for ownership change:
// (1) higher priority wins
// (2) equal priority wins if ownership filter has expired except...
uint8_t oldPriority = entity->getSimulationPriority();
uint8_t newPriority = properties.getSimulationOwner().getPriority();
if (newPriority > oldPriority ||
(newPriority == oldPriority && properties.getSimulationOwner().hasExpired())) {
simulationBlocked = false;
}
}
} else {
// the entire update is suspect --> ignore it
return false;
}
} else {
simulationBlocked = senderID != entity->getSimulatorID();
}
if (simulationBlocked) {
// squash ownership and physics-related changes.
properties.setSimulationOwnerChanged(false);
properties.setPositionChanged(false);
properties.setRotationChanged(false);
properties.setVelocityChanged(false);
properties.setAngularVelocityChanged(false);
properties.setAccelerationChanged(false);
if (wantTerseEditLogging()) {
qCDebug(entities) << senderNode->getUUID() << "physical edits suppressed";
}
}
}
// else client accepts what the server says
QString entityScriptBefore = entity->getScript();
quint64 entityScriptTimestampBefore = entity->getScriptTimestamp();
QString collisionSoundURLBefore = entity->getCollisionSoundURL();
uint32_t preFlags = entity->getDirtyFlags();
UpdateEntityOperator theOperator(getThisPointer(), containingElement, entity, properties);
recurseTreeWithOperator(&theOperator);
_isDirty = true;
uint32_t newFlags = entity->getDirtyFlags() & ~preFlags;
if (newFlags) {
if (_simulation) {
if (newFlags & DIRTY_SIMULATION_FLAGS) {
_simulation->changeEntity(entity);
}
} else {
// normally the _simulation clears ALL updateFlags, but since there is none we do it explicitly
entity->clearDirtyFlags();
}
}
QString entityScriptAfter = entity->getScript();
quint64 entityScriptTimestampAfter = entity->getScriptTimestamp();
bool reload = entityScriptTimestampBefore != entityScriptTimestampAfter;
if (entityScriptBefore != entityScriptAfter || reload) {
emitEntityScriptChanging(entity->getEntityItemID(), reload); // the entity script has changed
}
maybeNotifyNewCollisionSoundURL(collisionSoundURLBefore, entity->getCollisionSoundURL());
}
// TODO: this final containingElement check should eventually be removed (or wrapped in an #ifdef DEBUG).
containingElement = getContainingElement(entity->getEntityItemID());
if (!containingElement) {
qCDebug(entities) << "UNEXPECTED!!!! after updateEntity() we no longer have a containing element??? entityID="
<< entity->getEntityItemID();
return false;
}
return true;
}
bool EntityTree::updateEntityWithElement(EntityItemPointer entity, const EntityItemProperties& origProperties,
EntityTreeElement* containingElement, const SharedNodePointer& senderNode) {
EntityItemProperties properties = origProperties;
bool allowLockChange;
QUuid senderID;
if (senderNode.isNull()) {
auto nodeList = DependencyManager::get<NodeList>();
allowLockChange = nodeList->getThisNodeCanAdjustLocks();
senderID = nodeList->getSessionUUID();
} else {
allowLockChange = senderNode->getCanAdjustLocks();
senderID = senderNode->getUUID();
}
if (!allowLockChange && (entity->getLocked() != properties.getLocked())) {
qCDebug(entities) << "Refusing disallowed lock adjustment.";
return false;
}
// enforce support for locked entities. If an entity is currently locked, then the only
// property we allow you to change is the locked property.
if (entity->getLocked()) {
if (properties.lockedChanged()) {
bool wantsLocked = properties.getLocked();
if (!wantsLocked) {
EntityItemProperties tempProperties;
tempProperties.setLocked(wantsLocked);
UpdateEntityOperator theOperator(this, containingElement, entity, tempProperties);
recurseTreeWithOperator(&theOperator);
_isDirty = true;
}
}
} else {
if (getIsServer()) {
bool simulationBlocked = !entity->getSimulatorID().isNull();
if (properties.simulatorIDChanged()) {
QUuid submittedID = properties.getSimulatorID();
// a legit interface will only submit their own ID or NULL:
if (submittedID.isNull()) {
if (entity->getSimulatorID() == senderID) {
// We only allow the simulation owner to clear their own simulationID's.
simulationBlocked = false;
}
// else: We assume the sender really did believe it was the simulation owner when it sent
} else if (submittedID == senderID) {
// the sender is trying to take or continue ownership
if (entity->getSimulatorID().isNull() || entity->getSimulatorID() == senderID) {
simulationBlocked = false;
} else {
// the sender is trying to steal ownership from another simulator
// so we apply the ownership change filter
if (usecTimestampNow() - entity->getSimulatorIDChangedTime() > SIMULATOR_CHANGE_LOCKOUT_PERIOD) {
simulationBlocked = false;
}
}
} else {
// the entire update is suspect --> ignore it
return false;
}
}
if (simulationBlocked) {
// squash the physics-related changes.
properties.setSimulatorIDChanged(false);
properties.setPositionChanged(false);
properties.setRotationChanged(false);
}
}
// else client accepts what the server says
QString entityScriptBefore = entity->getScript();
QString collisionSoundURLBefore = entity->getCollisionSoundURL();
uint32_t preFlags = entity->getDirtyFlags();
UpdateEntityOperator theOperator(this, containingElement, entity, properties);
recurseTreeWithOperator(&theOperator);
_isDirty = true;
uint32_t newFlags = entity->getDirtyFlags() & ~preFlags;
if (newFlags) {
if (_simulation) {
if (newFlags & DIRTY_SIMULATION_FLAGS) {
_simulation->lock();
_simulation->changeEntity(entity);
_simulation->unlock();
}
} else {
// normally the _simulation clears ALL updateFlags, but since there is none we do it explicitly
entity->clearDirtyFlags();
}
}
QString entityScriptAfter = entity->getScript();
if (entityScriptBefore != entityScriptAfter) {
emitEntityScriptChanging(entity->getEntityItemID()); // the entity script has changed
}
maybeNotifyNewCollisionSoundURL(collisionSoundURLBefore, entity->getCollisionSoundURL());
}
// TODO: this final containingElement check should eventually be removed (or wrapped in an #ifdef DEBUG).
containingElement = getContainingElement(entity->getEntityItemID());
if (!containingElement) {
qCDebug(entities) << "UNEXPECTED!!!! after updateEntity() we no longer have a containing element??? entityID="
<< entity->getEntityItemID();
return false;
}
return true;
}
