/*
 * Two robots pick up piles of beepers.
 * The "top" robot picks up piles that have exactly two beepers.
 * The "bottom" robot picks up piles that do NOT have exactly two beepers.

Written by Scott McElfresh
*/

package kareltherobot;


public class PilesOfTwo implements Directions
{
   public static void main(String[] args)
       {
               World.readWorld("street2.txt");
               World.setVisible(true);
               World.setTrace(false);
               World.setDelay(10);

               LabRobot topRobot = new LabRobot(5,10,West,0);

               while (topRobot.frontIsClear())
               {
                       topRobot.move();
                       if (topRobot.exactlyTwoBeepersHere())
                       {
                               topRobot.pickBeeper();
                               topRobot.pickBeeper();
                       }
               }
               topRobot.turnLeft();
               while (topRobot.frontIsClear())
                       topRobot.move();
               topRobot.turnOff();


               LabRobot bottomRobot = new LabRobot(3,10,West,0);

               while (bottomRobot.frontIsClear())
               {
                       bottomRobot.move();
                       if (! bottomRobot.exactlyTwoBeepersHere())
                       {
                               while (bottomRobot.nextToABeeper())
                                       bottomRobot.pickBeeper();
                       }
               }
               bottomRobot.turnLeft();
               while (bottomRobot.frontIsClear())
                       bottomRobot.move();
               bottomRobot.turnOff();
       }

}