function playerController(%direction, %player)
{
  // adjust the player controller and bounds-check
  switch(%direction)
  {
    case $BUTTON_LEFT:

      eval("$player" @ %player @ ".controller--;");
      eval("%controller = $player" @ %player @ ".controller;");
      if (%controller < 0)
        eval("$player" @ %player @ ".controller = 1;");

    case $BUTTON_RIGHT:

      eval("$player" @ %player @ ".controller++;");
      eval("%controller = $player" @ %player @ ".controller;");
      if (%controller > 1)
        eval("$player" @ %player @ ".controller = 0;");
  }			

  // update the label
  eval("%tempData = TorqueDB.searchByInstanceWithClass(\"controller\", \"value\", $player" @ %player @ ".controller);");
  eval("lblP" @ %player @ "Controller.setText(%tempData.contents[$TEXT_FIELD]);");

} // end playerController