class_name ComponentCollision
extends Node


signal collided

@export_node_path("CharacterBody2D") var entityPath: NodePath
@onready var entity: CharacterBody2D = get_node(entityPath)

@export_node_path("CollisionShape2D") var collision_shape_path: NodePath
@onready var collision_shape: CollisionShape2D = get_node(collision_shape_path)

@export_node_path("ComponentHealth") var component_health_path: NodePath
var component_health: ComponentHealth

var collision_area: Area2D


func init():
	collision_area = Utilities.Collision.Area.new(entity, collision_shape)
	collision_area.set_collision_mask_value(Utilities.Collision.Layer.PLAYER, true)
	collision_area.connect("collided", func(area): emit_signal("collided", area))
	entity.add_child(collision_area)
	
	if component_health_path:
		component_health = get_node(component_health_path)
		collision_area.connect("collided", func(area):
			if area.is_in_group("explosions"):
				component_health.take_damage()
		)
		component_health.died.connect(func():
			collision_area.set_collision_layer_value(Utilities.Collision.Layer.ENEMY, false)
			collision_area.set_collision_mask_value(Utilities.Collision.Layer.PLAYER, false)
		)