eventbus

val events = mutableMapOf<Class<Event>, MutableList<Pair<Int, Function<Any>>>>()

fun subscribe(event: Class<Event>, function: Function<Any>, priority: Int?) {
    var getEvent = events[event]
    if (getEvent == null)
    {
        getEvent = mutableListOf<Pair<Int, Function<Any>>>()
        events[event] = getEvent
    }

    getEvent.add((priority ?: 0) to function)
    getEvent.sortBy { it.first }
}

fun publish(event: Event) {
    events[event.javaClass]?.forEach{
        it.second.run { event }
    }
}