Solution to Lab 7 for 1005ICT

GameBoard.java

import java.util.Random;

/**
 * Class GameBoard for Lab7
 * 
 * @author Tate Johnson
 * @version 2008-09-02
 */

public class GameBoard {
    
    private byte[][] board;
    private final int ROWS;
    private final int COLS;

    public GameBoard(int row, int col) {
        ROWS = row - 1;
        COLS = col - 1;
        board = new byte[row][col];
        for (byte[] r : board) {
            for (int c = 0; c <= ROWS; c++) {
                r[c] = 0;
            }
        }
    }
    
    public void resetBoard() {
        for (byte[] row : board) {
            for (int col = 0; col <= ROWS; col++) {
                row[col] = 0;
            }
        }
    }
    
    public byte boardValue(int row, int col) {
        return board[row][col];
    }
    
    public boolean makeMove(int row, int col, byte player) {
        if (row <= ROWS && col <= COLS && board[row][col] == 0) {
            board[row][col] = player;
            return true;
        }
        return false;
    }
    
    public void printBoard() {
        System.out.print("   ");
        for (int col = 0; col <= COLS; col++) {
            System.out.print(col + " ");
        }
        System.out.print("\n");
        for (int row = 0; row <= ROWS; row++) {
            System.out.print(row + ": ");
            for (byte col : board[row]) {
                System.out.print(col + " ");
            }
            System.out.print("\n");
        }
    }
    
    public void randomMove(byte player) {
        Random random = new Random();
        makeMove(random.nextInt(ROWS + 1), random.nextInt(COLS + 1), player);
    }
    
    /**
     * Plays for a specified number of games with the specified number of players.
     * Each player takes their turn in succession and performs a random move.
     */
    public void playRandomGame(int games, byte players) {
        byte player = players;
        for (int game = 0; game < games; game++) {
           if (player != 0) {
               randomMove(player);
               player--;
           }
           else {
               player = players;
           }
        }
    }
    
}