class_name DamageReceiver
extends Area2D

signal damage_received(amount: int, hit_type: StringName, from: Vector2)


func _ready() -> void:
	add_to_group("damage_receivers")


func take_damage(amount: int, hit_type: StringName, from: Vector2) -> void:
	damage_received.emit(amount, hit_type, from)
	_event_bus().emit_signal("damage_dealt", self, amount, hit_type)


func _event_bus() -> Node:
	var root := get_tree().root
	var bus := root.get_node_or_null("EventBus")
	if bus == null:
		bus = load("res://autoload/event_bus.gd").new()
		bus.name = "EventBus"
		root.add_child(bus)
	return bus