/// <summary>
/// Subscribes a listener to the components'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(JumpMushroomListener listener)
{
if (_listeners.Contains(listener))
return false;
_listeners.Add(listener);
return true;
}
/// <summary>
/// Unsubscribes a listener to the components'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(JumpMushroomListener listener)
{
if (!_listeners.Contains(listener))
return false;
_listeners.Remove(listener);
return true;
}