switch (room)
{
      case r_lvl1:
      r=1; break;
      case r_lvl2:
      r=2; break;
      case r_lvl3:
      r=3; break;
      case r_lvl4:
      r=4; break;
      case r_lvl5:
      r=5; break;
      case r_lvl6:
      r=6; break;
      case r_lvl7:
      r=7; break;
      case r_lvl8:
      r=8; break;
      case r_lvl9:
      r=9; break;
      case r_lvl10:
      r=10; break;
      case r_lvl11:
      r=11; break;
      case r_lvl12:
      r=12; break;
      case r_lvl13:
      r=13; break;
      case r_lvl14:
      r=14; break;      
      case r_lvl15:
      r=15; break;     
      case r_lvl16:
      r=16; break;
}