public static uint GAMEUID(int game_id, int area, int tempo, int bet_id)
{
        return (uint)((game_id << 16) | PLAYAREA(area, tempo, bet_id));
}

 public static int PLAYAREA(int area, int tempo, int bet)
    {
        return ((((area) << 12) & GameConfig.PLAYAREA_AREA_MASK) |
                    (((tempo) << 8) & GameConfig.PLAYAREA_TEMPO_MASK) |
                    ((bet) & GameConfig.PLAYAREA_BET_MASK));
    }

//playarea
    public const int PLAYAREA_TEMPO_MASK = 0x0F00;  // 遊戲節奏的位元遮罩
    public const int PLAYAREA_BET_MASK   = 0x00FF;  // 下注金額的位元遮罩
    public const int PLAYAREA_AREA_MASK  = 0xF000;  // 遊戲分區的位元遮罩