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 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;
}
inline void Type_::ParseElements(Reader & theReader) {
while (theReader) {
switch (*theReader) {
case Symbol::theEndOperandSymbol:
// Fall through.
case Symbol::theStartOperandSymbol:
// Fall through.
Om_Language_Symbol_SeparatorSymbol_GetCases_():
this->thisString.push_back(
static_cast<char>(*theReader)
);
theReader.Pop();
continue;
}
Operator theOperator(theReader);
this->TakeOperator(theOperator);
}
}
EntityItemPointer EntityTree::addEntity(const EntityItemID& entityID, const EntityItemProperties& properties) {
EntityItemPointer result = NULL;
if (getIsClient()) {
// if our Node isn't allowed to create entities in this domain, don't try.
auto nodeList = DependencyManager::get<NodeList>();
if (nodeList && !nodeList->getThisNodeCanRez()) {
return NULL;
}
}
bool recordCreationTime = false;
if (properties.getCreated() == UNKNOWN_CREATED_TIME) {
// the entity's creation time was not specified in properties, which means this is a NEW entity
// and we must record its creation time
recordCreationTime = true;
}
// You should not call this on existing entities that are already part of the tree! Call updateEntity()
EntityTreeElementPointer containingElement = getContainingElement(entityID);
if (containingElement) {
qCDebug(entities) << "UNEXPECTED!!! ----- don't call addEntity() on existing entity items. entityID=" << entityID
<< "containingElement=" << containingElement.get();
return result;
}
// construct the instance of the entity
EntityTypes::EntityType type = properties.getType();
result = EntityTypes::constructEntityItem(type, entityID, properties);
if (result) {
if (recordCreationTime) {
result->recordCreationTime();
}
// Recurse the tree and store the entity in the correct tree element
AddEntityOperator theOperator(getThisPointer(), result);
recurseTreeWithOperator(&theOperator);
postAddEntity(result);
}
return result;
}
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;
}
