public static void Unsubscribe(IScriptedPlaybackListener listener)
{
if (!_scriptListeners.Remove(listener))
{
throw new System.InvalidOperationException($"{listener} is not subscribed to this script and can't be removed.");
}
}
public static void Subscribe(IScriptedPlaybackListener listener)
{
if (_scriptListeners.Contains(listener))
{
throw new System.InvalidOperationException($"{listener} is already subscribed to this script.");
}
else
{
_scriptListeners.Add(listener);
}
listener.SetPlaybackSpeed(_playbackSpeed);
}