EntityItemProperties convertLocationFromScriptSemantics(const EntityItemProperties& scriptSideProperties) {
// convert position and rotation properties from world-space to local, unless localPosition and localRotation
// are set. If they are set, they overwrite position and rotation.
EntityItemProperties entitySideProperties = scriptSideProperties;
bool success;
// TODO -- handle velocity and angularVelocity
if (scriptSideProperties.localPositionChanged()) {
entitySideProperties.setPosition(scriptSideProperties.getLocalPosition());
} else if (scriptSideProperties.positionChanged()) {
glm::vec3 localPosition = SpatiallyNestable::worldToLocal(entitySideProperties.getPosition(),
entitySideProperties.getParentID(),
entitySideProperties.getParentJointIndex(),
success);
entitySideProperties.setPosition(localPosition);
}
if (scriptSideProperties.localRotationChanged()) {
entitySideProperties.setRotation(scriptSideProperties.getLocalRotation());
} else if (scriptSideProperties.rotationChanged()) {
glm::quat localRotation = SpatiallyNestable::worldToLocal(entitySideProperties.getRotation(),
entitySideProperties.getParentID(),
entitySideProperties.getParentJointIndex(),
success);
entitySideProperties.setRotation(localRotation);
}
return entitySideProperties;
}
QUuid EntityScriptingInterface::editEntity(QUuid id, const EntityItemProperties& scriptSideProperties) {
EntityItemProperties properties = scriptSideProperties;
auto dimensions = properties.getDimensions();
float volume = dimensions.x * dimensions.y * dimensions.z;
auto density = properties.getDensity();
auto newVelocity = properties.getVelocity().length();
float oldVelocity = { 0.0f };
EntityItemID entityID(id);
if (!_entityTree) {
queueEntityMessage(PacketType::EntityEdit, entityID, properties);
//if there is no local entity entity tree, no existing velocity, use 0.
float cost = calculateCost(density * volume, oldVelocity, newVelocity);
cost *= costMultiplier;
if (cost > _currentAvatarEnergy) {
return QUuid();
} else {
//debit the avatar energy and continue
emit debitEnergySource(cost);
}
return id;
}
// If we have a local entity tree set, then also update it.
bool updatedEntity = false;
_entityTree->withWriteLock([&] {
if (scriptSideProperties.parentRelatedPropertyChanged()) {
// All of parentID, parentJointIndex, position, rotation are needed to make sense of any of them.
// If any of these changed, pull any missing properties from the entity.
EntityItemPointer entity = _entityTree->findEntityByEntityItemID(entityID);
if (!entity) {
return;
}
//existing entity, retrieve old velocity for check down below
oldVelocity = entity->getVelocity().length();
if (!scriptSideProperties.parentIDChanged()) {
properties.setParentID(entity->getParentID());
}
if (!scriptSideProperties.parentJointIndexChanged()) {
properties.setParentJointIndex(entity->getParentJointIndex());
}
if (!scriptSideProperties.localPositionChanged() && !scriptSideProperties.positionChanged()) {
properties.setPosition(entity->getPosition());
}
if (!scriptSideProperties.localRotationChanged() && !scriptSideProperties.rotationChanged()) {
properties.setRotation(entity->getOrientation());
}
}
properties = convertLocationFromScriptSemantics(properties);
float cost = calculateCost(density * volume, oldVelocity, newVelocity);
cost *= costMultiplier;
if (cost > _currentAvatarEnergy) {
updatedEntity = false;
} else {
//debit the avatar energy and continue
updatedEntity = _entityTree->updateEntity(entityID, properties);
if (updatedEntity) {
emit debitEnergySource(cost);
}
}
});
if (!updatedEntity) {
return QUuid();
}
_entityTree->withReadLock([&] {
EntityItemPointer entity = _entityTree->findEntityByEntityItemID(entityID);
if (entity) {
// make sure the properties has a type, so that the encode can know which properties to include
properties.setType(entity->getType());
bool hasTerseUpdateChanges = properties.hasTerseUpdateChanges();
bool hasPhysicsChanges = properties.hasMiscPhysicsChanges() || hasTerseUpdateChanges;
if (_bidOnSimulationOwnership && hasPhysicsChanges) {
auto nodeList = DependencyManager::get<NodeList>();
const QUuid myNodeID = nodeList->getSessionUUID();
if (entity->getSimulatorID() == myNodeID) {
// we think we already own the simulation, so make sure to send ALL TerseUpdate properties
if (hasTerseUpdateChanges) {
entity->getAllTerseUpdateProperties(properties);
}
// TODO: if we knew that ONLY TerseUpdate properties have changed in properties AND the object
// is dynamic AND it is active in the physics simulation then we could chose to NOT queue an update
// and instead let the physics simulation decide when to send a terse update. This would remove
// the "slide-no-rotate" glitch (and typical double-update) that we see during the "poke rolling
// balls" test. However, even if we solve this problem we still need to provide a "slerp the visible
// proxy toward the true physical position" feature to hide the final glitches in the remote watcher's
// simulation.
if (entity->getSimulationPriority() < SCRIPT_POKE_SIMULATION_PRIORITY) {
// we re-assert our simulation ownership at a higher priority
properties.setSimulationOwner(myNodeID, SCRIPT_POKE_SIMULATION_PRIORITY);
}
} else {
// we make a bid for simulation ownership
properties.setSimulationOwner(myNodeID, SCRIPT_POKE_SIMULATION_PRIORITY);
entity->pokeSimulationOwnership();
}
}
if (properties.parentRelatedPropertyChanged() && entity->computePuffedQueryAACube()) {
properties.setQueryAACube(entity->getQueryAACube());
}
entity->setLastBroadcast(usecTimestampNow());
// if we've moved an entity with children, check/update the queryAACube of all descendents and tell the server
// if they've changed.
entity->forEachDescendant([&](SpatiallyNestablePointer descendant) {
if (descendant->getNestableType() == NestableType::Entity) {
if (descendant->computePuffedQueryAACube()) {
EntityItemPointer entityDescendant = std::static_pointer_cast<EntityItem>(descendant);
EntityItemProperties newQueryCubeProperties;
newQueryCubeProperties.setQueryAACube(descendant->getQueryAACube());
newQueryCubeProperties.setLastEdited(properties.getLastEdited());
queueEntityMessage(PacketType::EntityEdit, descendant->getID(), newQueryCubeProperties);
entityDescendant->setLastBroadcast(usecTimestampNow());
}
}
});
}
});
queueEntityMessage(PacketType::EntityEdit, entityID, properties);
return id;
}