/// <summary>
/// Adds given script as invoker of "Key Encoded" event
/// </summary>
/// <param name="invoker">new invoker of event</param>
public static void AddKeyEncodedInvoker(Enigma invoker)
{
// add invoker to list and add all listeners to this invoker
keyEncodedInvokers.Add(invoker);
foreach (UnityAction <char> listener in keyEncodedListeners)
{
invoker.AddKeyEncodedListener(listener);
}
}