extends Node

signal message(msg)
signal value_passed(name, v)

const EMIT_RATE = 0.1

var _timer_message : float = 0.0
var _timer_pass_val : float = 0.0

var _msg_buffer = []
var _pass_val_buffer = []

func _msgformat(msg : String, args : Array) -> String:
	for i in range(0, args.size()):
		msg = msg.format(args[i], "$" + String(i))
	return msg

func message(msg : String, args : Array = []) -> void:
	if _timer_message <= 0.0:
		emit_signal("message", _msgformat(msg, args))
		_timer_message = EMIT_RATE
	else:
		_msg_buffer.append(_msgformat(msg, args))


func pass_value(name : String, val) -> void:
	emit_signal("value_passed", name, val)

func _process(delta : float) -> void:
	if _timer_message > 0.0:
		_timer_message = max(0.0, _timer_message - delta)
		if _timer_message == 0.0 and _msg_buffer.size() > 0:
			emit_signal("message", _msg_buffer)
			_msg_buffer = []