statecharts ehehehehehe

addons/godot_state_charts/atomic_state.gd

@@ -0,0 +1,23 @@
+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 ""