/// <summary>
/// Subscribes a listener to the animation's events.
/// Returns false if the listener was already subscribed.
/// </summary>
/// <param name="listener">The listener to subscribe</param>
/// <returns>If the listener was successfully subscribed</returns>
public bool AddListener(EnemyBehaviourListener listener)
{
if (listeners.Contains(listener))
return false;
listeners.Add(listener);
return true;
}
/// <summary>
/// Unsubscribes a listener to the animation's events.
/// Returns false if the listener wasn't subscribed yet.
/// </summary>
/// <param name="listener">The listener to unsubscribe</param>
/// <returns>If the listener was successfully unsubscribed</returns>
public bool RemoveListener(EnemyBehaviourListener listener)
{
if (!listeners.Contains(listener))
return false;
listeners.Remove(listener);
return true;
}