/// <summary>
/// Add a unique listener to the signal.
/// </summary>
public void AddListener(SignalDelegate listener)
{
if (SendSignal != null && SendSignal.GetInvocationList().Contains(listener))
{
Debug.LogWarning(string.Format("Signal already has registered the listener {0}", listener.Method.Name));
}
SendSignal += listener;
}
/// <summary>
/// Add a unique listener to the signal.
/// </summary>
public void AddListener(SignalDelegate listener)
{
if (SendSignal == null)
{
SendSignal += listener;
}
else if (!SendSignal.GetInvocationList().Contains(listener))
{
SendSignal += listener;
}
}