extends ReferenceRect

export var speed : float = 0.05
export var flip_h : bool
export var pitch : float = 1

signal animation_ready

func _ready():
	modulate.a = 0
	if flip_h:
		$Arrow.flip_h = true
		$Arrow.set_position(Vector2(0, rect_size.y))
	$TypeSound.pitch_scale = pitch

func say(text : String):
	var tree = get_tree()

	$Label.visible_characters = 0
	$Label.text = text
	
	if modulate.a != 1:
		$Animation.play("fade")
	
	for i in text.length() + 1:
		$Label.visible_characters = i
		$TypeSound.play()
		
		if tree != null:
			yield(tree.create_timer(speed), "timeout")
	
	emit_signal("animation_ready")

func fade_out():
	if modulate.a != 0:
		$Animation.play_backwards("fade")