emudofus / photon Goto Github PK

trait Event {
  type EventFuture = Future[Seq[Any]]
  val events: Seq[Symbol]
  val handlers = Map[Symbol, mutable.ListBuffer[() => Unit]]

  def subscribe(evt: Symbol, handler: () => Unit) {
    if (!events contains evt)
      throw new InvalidArgumentException(s"event $evt non existing")
    if (!handlers contains evt)
      handlers(evt) = mutable.ListBuffer[() => Unit]()

    handlers(evt) += handler
  }

  private def emit(evt: Symbol, o: Option[_] = None): EventFuture {
    ?
  }
}
class Character {
  def fightStart {
    fight = Fight(this)
    fight.subscribe('end, {someMethod()})
  }

  def someMethod {
  }
}
case class Fight(char: Character) extends Event {
  override val events = Seq('end)

  def onEnd { // called by some handler
    emit 'end
  }
}