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Sample Random Ruler

Sample ruler which moves the rulers peasants and knights around at random.

package net.sourceforge.battlefieldjava.samples;

import java.awt.Color;
import java.awt.Point;
import java.util.HashMap;
import java.util.Random;

import net.sourceforge.battlefieldjava.engine.GameSettings;
import net.sourceforge.battlefieldjava.engine.Location;
import net.sourceforge.battlefieldjava.ruler.ICastle;
import net.sourceforge.battlefieldjava.ruler.IKnight;
import net.sourceforge.battlefieldjava.ruler.IObject;
import net.sourceforge.battlefieldjava.ruler.IPeasant;
import net.sourceforge.battlefieldjava.ruler.ISubject;
import net.sourceforge.battlefieldjava.ruler.Ruler;
import net.sourceforge.battlefieldjava.ruler.World;

public class RandomRuler extends Ruler
{

    Random                        random                = new Random();

    public MyRuler(World world, Color color)
    {
        super(world, color);
    }

    /** Each ruler must supply a name */
    public String getRulerName()
    {
        return "Random";
    }

    /** Each ruler must supply a school name (anything will do, but I would recommend using
     * a domain name if you have one otherwise your email address)
     */
    public String getSchoolName()
    {
        return "Sampler";
    }

    /** Called by the engine each time its your rulers turn to move.
     * You may move each of your pieces once and only once.
     * Knights move either move or capture but not both.
     */
    public void orderSubjects(int lastMoveTime)
    {
        // Get the list of my peasants
        IPeasant[] peasants = this.getPeasants();

        // loop through them
        for (int i = 0; i < peasants.length; i++)
        {
            IPeasant peasant = peasants[i];
            // determine a random direction to move in
            int dir = getRandomDirection();
            // and move the peasant in that direction
            // In debug mode move will throw an exeption if you try
            // to move off the board or to a location currently occupied
            // by another piece.
             this.move(peasant, dir);
       }

        // Do the same stuff for each of the my rulers knights.
        IKnight[] knights = this.getKnights();
        for (int i = 0; i < knights.length; i++)
        {
            IKnight knight = knights[i];
            int dir = getRandomDirection();
             this.move(knight, dir);
        }
       }

    // Generate a random directoin (value between 1 and 8 inclusive).
    int getRandomDirection()
    {
        return (Math.abs(random.nextInt(8)) + 1;
    }
}