tool
class_name AtomicState, "atomic_state.svg"
extends State

func _handle_transition(transition: Transition, source: State) -> void:
	# resolve target state
	var target = transition.resolve_target()
	if not target is State:
		push_error("the target state: %s of transition from state: %s is not a state" % [str(transition.to), source.name])
		return
	# atomic states can't transition, gotta ask mommy
	get_parent()._handle_transition(transition, source)

func _get_configuration_warning() -> String:
	var warning := ._get_configuration_warning()
	if not warning.empty():
		return warning
	
	for child in get_children():
		if not child is Transition:
			return "atomic states cannot have children other than transitions"
	
	return ""