private void RemoveCacheOfLeftPlayers()
{
Dictionary<byte, object> opParameters = new Dictionary<byte, object>();
opParameters[ParameterCode.Code] = (byte)0; // any event
opParameters[ParameterCode.Cache] = (byte)EventCaching.RemoveFromRoomCacheForActorsLeft; // option to clear the room cache of all events of players who left
this.OpCustom((byte)OperationCode.RaiseEvent, opParameters, true, 0);
}