import becker.robots.*;

class castleBuilder extends City {
        public castleBuilder(){
                super();
        }
        public void buildCastle(){
                this.placeColumn(1, 1);
                this.placeColumn(1, 4);
                this.placeColumn(4, 1);
                this.placeColumn(4, 4);
                this.buildCenter();
        }
        private void placeColumn(int aStreet, int anAvenue){
                Wall w0 = new Wall(this, aStreet, anAvenue, Direction.NORTH);
                Wall w1 = new Wall(this, aStreet, anAvenue, Direction.SOUTH);
                Wall w2 = new Wall(this, aStreet, anAvenue, Direction.EAST);
                Wall w3 = new Wall(this, aStreet, anAvenue, Direction.WEST);
        }
        private void buildCenter(){
                Wall w0 = new Wall(this, 2, 2, Direction.NORTH);
                Wall w1 = new Wall(this, 2, 2, Direction.WEST);
                Wall w2 = new Wall(this, 2, 3, Direction.NORTH);
                Wall w3 = new Wall(this, 2, 3, Direction.EAST);
                Wall w4 = new Wall(this, 3, 2, Direction.SOUTH);
                Wall w5 = new Wall(this, 3, 2, Direction.WEST);
                Wall w6 = new Wall(this, 3, 3, Direction.SOUTH);
                Wall w7 = new Wall(this, 3, 3, Direction.EAST);
        }
}
class guardBot extends RobotSE {
        public guardBot(City aCity, int aStreet, int anAvenue, Direction aDirection){
                super(aCity, aStreet, anAvenue, aDirection);
        }
        public void guard(){
                this.moveAroundColumn();
                this.move();
                this.moveAroundColumn();
                this.move();
                this.moveAroundColumn();
                this.move();
                this.moveAroundColumn();
                this.move();
        }
        private void moveAroundColumn(){
                this.turnLeft();
                this.move();
                this.turnRight();
                this.move(2);
                this.turnRight();
                this.move(2);
                this.turnRight();
                this.move();
                this.turnLeft();
        }
}
public class HomeworkLab3 {
        public static void main(String args[]){
                castleBuilder c = new castleBuilder();
                guardBot r = new guardBot(c, 2, 1, Direction.NORTH);
                
                c.buildCastle();
                r.guard();                
        }
}