add beehave

addons/beehave/nodes/decorators/inverter.gd

@@ -0,0 +1,43 @@
+@tool
+@icon("../../icons/inverter.svg")
+class_name InverterDecorator extends Decorator
+
+## An inverter will return `FAILURE` in case it's child returns a `SUCCESS` status
+## code or `SUCCESS` in case its child returns a `FAILURE` status code.
+
+
+func tick(actor: Node, blackboard: Blackboard) -> int:
+	var c: BeehaveNode = get_child(0)
+
+	if c != running_child:
+		c.before_run(actor, blackboard)
+
+	var response: int = c.tick(actor, blackboard)
+	if can_send_message(blackboard):
+		BeehaveDebuggerMessages.process_tick(c.get_instance_id(), response, blackboard.get_debug_data())
+
+	if c is ConditionLeaf:
+		blackboard.set_value("last_condition", c, str(actor.get_instance_id()))
+		blackboard.set_value("last_condition_status", response, str(actor.get_instance_id()))
+
+	match response:
+		SUCCESS:
+			c.after_run(actor, blackboard)
+			return FAILURE
+		FAILURE:
+			c.after_run(actor, blackboard)
+			return SUCCESS
+		RUNNING:
+			running_child = c
+			if c is ActionLeaf:
+				blackboard.set_value("running_action", c, str(actor.get_instance_id()))
+			return RUNNING
+		_:
+			push_error("This should be unreachable")
+			return -1
+
+
+func get_class_name() -> Array[StringName]:
+	var classes := super()
+	classes.push_back(&"InverterDecorator")
+	return classes