Board.java

package com.company;

import java.io.Serializable;

public class Board implements Serializable{
    private CheckerPosition[] board = new CheckerPosition[32];
    private MoveList history = new MoveList();  // History of moves.
    protected Board next = null;


    public Board copy() {
        Board newBoard = new Board();
        Coordinate temp = null;
        newBoard.setHistory(history.copy());
        for (int i = 1; i < 33; i++) {
            temp = new Coordinate(i);
            if (getChecker(temp) != null)
                newBoard.setChecker(getChecker(temp).copy(), temp);
        }
        return newBoard;
        //for (int y = 0; y < 8; y++) {
        //for (int x = (y + 1) % 2; x < 8; x = x + 2)
    }


    public CheckerPosition getChecker(Coordinate c) {
        return board[c.get() - 1];
    }


    public void setChecker(CheckerPosition checker, Coordinate c) {
        board[c.get() - 1] = checker;
        checker.setPosition(c);
    }


    public void removeChecker(CheckerPosition checker) {
        board[checker.getPosition().get() - 1] = null;
    }


    public boolean vacantCoordinate(Coordinate c) {
        return (getChecker(c) == null);
    }


    public int evaluate() {
        int score = 0;
        Coordinate c = null;
        for (int i = 1; i < 33; i++) {
            c = new Coordinate(i);
            if (getChecker(c) != null)
                score = score + getChecker(c).getValue();
        }
        return score;
    }


    public void setHistory(MoveList history) {
        this.history = history;
    }


    public MoveList getHistory() {
        return history;
    }


    public void addMoveToHistory(Move move) {
        history.add(move);
    }


    public void initialize() {
        initializeTop();
        initializeMiddle();
        initializeBottom();
    }


    private void initializeTop() {
        for (int i = 1; i < 13; i++)
            board[i - 1] = new BlackChecker(new Coordinate(i));
    }


    private void initializeMiddle() {
        for (int i = 13; i < 21; i++)
            board[i - 1] = null;
    }


    private void initializeBottom() {
        for (int i = 21; i < 33; i++)
            board[i - 1] = new WhiteChecker(new Coordinate(i));
    }


    // For the BoardList class.
    public void setNext(Board next) {
        this.next = next;
    }


    // For the BoardList class.
    public Board getNext() {
        return next;
    }


    public String toString() {
        String stringBoard[][] = new String[8][8];
        Coordinate temp = null;
        for (int i = 1;i < 33; i++) {
            temp = new Coordinate(i);
            if (getChecker(temp) != null)
                stringBoard[temp.column()][temp.row()] = getChecker(temp).toString();
        }
        String s = " +---+---+---+---+---+---+---+---+\n ";
        for (int y = 0; y < 8; y++) {
            for (int x = 0; x < 8; x++) {
                if (stringBoard[x][y] != null)
                    s = s + "| " + stringBoard[x][y] + " ";
                else
                    s = s + "|   ";
            }
            s = s + "| (" + ((y*4)+1) + "-" + ((y*4)+4) + ")";
            s = s + "\n +---+---+---+---+---+---+---+---+\n ";
        }
        return s;
    }}