Method runDecorator

source/game/StarBehaviorState.cpp:239–275

}

NodeStatus BehaviorState::runDecorator(DecoratorNode const& node, NodeState& state) {
  uint64_t id = (uint64_t)&node;
  NodeStatus status = NodeStatus::Running;
  if (state.isNothing()) {
    auto parameters = board()->parameters(node.parameters, id);

    LuaThread thread = nodeLuaThread(node.name);
    try {
      status = thread.resume<NodeStatus>(parameters, blackboardPtr(), id).value(NodeStatus::Invalid);
    } catch (LuaException const& e) {
      throw StarException(strf("Lua Exception caught initializing decorator node {} in behavior {}: {}", node.name, m_tree->name, outputException(e, false)));
    }
    if (status == NodeStatus::Success || status == NodeStatus::Failure)
      return status;

    state.set(DecoratorState(thread));
  }

  DecoratorState& decorator = state->get<DecoratorState>();
  // decorator runs its child on yield and is resumed with the child's status on success or failure
  while (status == NodeStatus::Running) {
    auto childStatus = runNode(*node.child, *decorator.child);
    if (childStatus == NodeStatus::Success || childStatus == NodeStatus::Failure) {
      try {
        status = decorator.thread.resume<NodeStatus>(childStatus).value(NodeStatus::Invalid);
      } catch (LuaException const& e) {
        throw StarException(strf("Lua Exception caught resuming decorator node {} in behavior {}: {}", node.name, m_tree->name, outputException(e, false)));
      }
    } else {
      return NodeStatus::Running;
    }
  }

  m_threads.append(decorator.thread);

  return status;
}

NodeStatus BehaviorState::runComposite(CompositeNode const& node, NodeState& state) {
  NodeStatus status;