package Lesson3;
import kareltherobot.*;

/**
 * Francesco Di Mise
 * Program to collect a field of beepers
 * To be efficient, it collects them in rows
 * Uses functions and some loops
 */
public class Lesson3Activity3 extends UrRobot{

    /**
     * Constructor
     * @param x
     * @param y
     * @param d
     * @param b
     */
    public Lesson3Activity3 (int x, int y, Direction d, int b) {
        super(x, y, d, b);
    }

    /**
     * Main function. Performs a couple actions before the more complicated harvest functions. Collects every beeper
     * @param args
     */
    public static void main(String[] args) {
        World.setDelay(15);
        World.setVisible();
        Lesson3Activity3 MrDaddy = new Lesson3Activity3(1,1,North, 0);
        World.readWorld("Lesson3World3.kwld");


        MrDaddy.turnRight();
        MrDaddy.move();
        MrDaddy.pickBeeper();
        MrDaddy.harvestBeepers();
        MrDaddy.turnRight();
    }

    /**
     * Turn right function to instantaneously turn right
     */
    public void turnRight(){
        int delay = World.delay();
        World.setDelay(0);
        turnLeft();
        turnLeft();
        World.setDelay(delay);
        turnLeft();
    }

    /**
     * For loop to collect a single row of beepers
     */
    public void collectRow(){
        for (int index = 0; index < 6; index++){
            move();
            pickBeeper();
        }
    }

    /**
     * Go to the next lane. Specifically when the next lane is to the left
     */
    public void goNextLeft(){
        turnLeft();
        move();
        pickBeeper();
        turnLeft();
    }

    /**
     * Go to next lane, specifically when the next lane is on the right
     */
    public void goNextRight(){
        turnRight();
        move();
        pickBeeper();
        turnRight();
    }

    /**
     * Puts the turning and collection functions together to collect the whole field of beepers
     */
    public void harvestBeepers(){
        collectRow();
        goNextLeft();
        collectRow();
        goNextRight();
        collectRow();
        goNextLeft();
        collectRow();
    }
}