Refactored to be controller centric; added message buss pattern with early support eent types

scripts/controllers/base_controller.gd

@@ -0,0 +1,36 @@
+class_name BaseController extends Node
+
+
+var controller_message_bus: ControllerMessageBus = null
+
+
+func _controller_message(_event: BaseEvent) -> void:
+	assert(false, "Controller Base '_controller_message' must be overridden...")
+
+func set_controller_message_bus(message_bus: ControllerMessageBus) -> void:
+	controller_message_bus = message_bus
+
+func unset_controller_message_bus() -> void:
+	controller_message_bus = null
+
+func message(event: BaseEvent):
+	return controller_message_bus.message.call(event)
+
+func message_to(message_str: String, event: BaseEvent):
+	return controller_message_bus.message_to.call(message_str, event)
+
+func message_to_selected(cnames: Array[String], event: BaseEvent):
+	var responses: Array = Array()
+
+	for cname: String in cnames:
+		responses.append(
+			controller_message_bus.message_to.call(name, event)
+		)
+
+	return responses
+
+func register_controller(cname: String, controller: BaseController) -> void:
+	controller_message_bus.register_controller.call(cname, controller)
+
+func unregister_controller(cname: String) -> void:
+	controller_message_bus.unregister_controller.call(cname)