import greenfoot.*;

/**
 * Class AWorld:
 * 
 * Author: danpost
 * Version: 1.0.0
 */
public class AWorld extends World
{
    Text text = new Text("   ");
    int num = 0; // the integer to be converted to string
    /**
     * Constructor AWorld:
     */
    public AWorld()
    {    
        super(600, 400, 1);
        addObject(text, 300, 200);
    }
    
    // code and decode a number, then check results
    public void act()
    {
        text.setText("Number: " + num);
        // convert int 'num' to a two-character string
        // only 223 allowable characters
        int hi = num / 223; // the number of times 223 goes into 'num'
        int lo = num % 223; // the remainder after dividing 223 into 'num'
        if (hi > 13) hi++; // character 13 not allowed
        if (lo > 13) lo++;
        if (hi > 127) hi += 32; // characters 128 through 159 not allowed
        if (lo > 127) lo += 32;
        // the coversion to string
        String str = "" + (char) hi + (char) lo;
        
        // convert String 'str' back to the integer value
        int hi2 = (int) str.charAt(0); // the coded number of 223's in the value
        int lo2 = (int) str.charAt(1); // the coded remainder
        if (hi2 > 127) hi2 -= 32; // compensate for characers 128 through 159
        if (lo2 > 127) lo2 -= 32;
        if (hi2 > 13) hi2--; // compensate for character 13
        if (lo2 > 13) lo2--;
        // the value of the two-character string
        int num2 = hi2 * 223 + lo2;
        if (num != num2)
        {
            System.out.println("Values do not match");
            Greenfoot.stop();
            return;
        }
        num++;
        if (num == 223 * 223)
        {
            System.out.println("Home run");
            Greenfoot.stop();
        }
    }
}