class_name StateMachine
extends Node

signal cambioEstado(nombre_estado)

@export var estado_inicial := NodePath()

@onready var state : State = get_node(estado_inicial)


func _ready():
	await (owner.ready)
	for child in get_children():
		child.state_machine = self
	state.state_enter_state()


func _unhandled_input(event):
	state.state_input(event)

func _process(delta):
	state.state_process(delta)

func _physics_process(delta):
	state.state_physics_process(delta)

func transition_to(target_state : String, msg : Dictionary = {}):
	if not has_node(target_state):
		return
	
	state.state_exit()
	state = get_node(target_state)
	state.state_enter_state(msg)
	emit_signal("cambioEstado", state.name)