public static void SaveOpenRoom(OpenRoom openRoom)
    {
        BinaryFormatter bf     = new BinaryFormatter();
        FileStream      stream = new FileStream(Application.dataPath + "/data/OR.sav", FileMode.Create);
        DataOpenRoom    data   = new DataOpenRoom(openRoom);

        bf.Serialize(stream, data);
        stream.Close();
    }
 public static string[] LoadOpenRoom()
 {
     if (File.Exists(Application.dataPath + "/data/OR.sav"))
     {
         BinaryFormatter bf     = new BinaryFormatter();
         FileStream      stream = new FileStream(Application.dataPath + "/data/OR.sav", FileMode.Open);
         DataOpenRoom    data   = bf.Deserialize(stream) as DataOpenRoom;
         stream.Close();
         return(data.ListOpenRoom);
     }
     else
     {
         return(new string[0]);
     }
 }