C++ EntityItemPointer::computePuffedQueryAACube方法代码示例

void SimpleEntitySimulation::sortEntitiesThatMoved() {
    SetOfEntities::iterator itemItr = _entitiesToSort.begin();
    while (itemItr != _entitiesToSort.end()) {
        EntityItemPointer entity = *itemItr;
        entity->computePuffedQueryAACube();
        ++itemItr;
    }
    EntitySimulation::sortEntitiesThatMoved();
}

//.........这里部分代码省略.........
            // 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;
}