public static void Invoke(EventType eventTypeType, object sender = null, EventArgs e = null)
{
if (EventDictionary.TryGetValue(eventTypeType, out var thisEvent))
{
thisEvent.Invoke(sender, e);
}
}
// Starts listening to this action. Will override any previous action, unsubscribing it in the process
public void StartListening(Action <object, EventArgs> action, EventType eventType)
{
eventListener?.Unsubscribe(currentEventType); // Unsubscribe if we already have an event
eventListener = action;
currentEventType = eventType;
name = $"__eventListener ({eventType.ToString()})"; // Set gameObject.name
eventListener.Subscribe(eventType);
}
public static void Subscribe(this Action <object, EventArgs> listener, EventType eventTypeType)
{
if (EventDictionary.TryGetValue(eventTypeType, out var thisEvent))
{
thisEvent += listener;
EventDictionary[eventTypeType] = thisEvent;
}
else
{
thisEvent += listener;
EventDictionary.Add(eventTypeType, thisEvent);
}
}
public static void Unsubscribe(this Action <object, EventArgs> listener, EventType eventTypeType)
{
if (EventDictionary.TryGetValue(eventTypeType, out var thisEvent))
{
thisEvent -= listener;
if (thisEvent == null)
{
EventDictionary.Remove(eventTypeType);
}
else
{
EventDictionary[eventTypeType] = thisEvent;
}
}
}
private void Awake()
{
rb = GetComponent <Rigidbody2D>();
eventType = PlayerOne ? Constants.EventType.Player1Damage : Constants.EventType.Player2Damage;
Stats = GetComponent <PlayerStats>();
}
// Creates an object subscribed to an event. This subscription automatically handled when parent is enabled/disabled/destroyed.
public static Listener CreateListener(Transform parent, Action <object, EventArgs> action, EventType eventType)
{
GameObject go = new GameObject("__eventListener", typeof(Listener));
go.transform.parent = parent;
Listener listener = go.GetComponent <Listener>();
listener.StartListening(action, eventType);
return(listener);
}
