game.java

一个java的游戏程序

import java.awt.*;
import java.awt.event.*;

class Game 
    extends Panel 
{
    // data

    private String _name;
    private Board _board;
    private StatusBar _status;
    private boolean _finished;
    private Players _players;
    private FieldFactory _factory;

    private int _width;
    private int _height;
    private int _cellsize;
    private int _winningSequence;

    // construction

    public Game()
    {
	_name = "TicTacToe";
        setLayout(new BorderLayout());

	// game parameters
	_width = 3;
	_height = 3;
	_cellsize = 100;
	_winningSequence = 3;

	// initialize players
	_players = new Players();
	_players.add(new Player("One", new CrossToken()));
	_players.add(new Player("Two", new OToken()));
	_players.select("One");

	// initialize board
	_factory = new FieldFactory(this, new Dimension(_cellsize,_cellsize));
	_board = new Board(_width, _height, _factory);
	add(_board, "Center");

	// initialize status bar
	_status = new StatusBar(this);
	add(_status, "South");	
	_players.addObserver(_status);

	// set size of the panel: board + statusbar
	setSize(new Dimension((int)(1.05 * _width * _cellsize), 
			      (int)(1.05 * _height * _cellsize)
			      + _status.getSize().height));

	// start a new game
	newGame();
    }

    // the name of the game

    public String getName()
    {
	return _name;
    }

    // restarting the game

    public void newGame()
    {
	_board.clear();
	_players.select("One");	
	setNotFinished();
    }

    // next player

    public void nextPlayer()
    {
	_players.next();
    }

    public Player getCurrentPlayer()
    {
	return _players.getCurrent();
    }

    // finished

    public boolean getFinished()
    {
	return _finished;
    }

    public void setFinished()
    {
	_finished = true;
	_status.update(null,null);
    }

    public void setNotFinished()
    {
	_finished = false;
	_status.update(null,null);
    }

    // length of winning sequence

    public int getWinningSequence()
    {
	return _winningSequence;
    }

    public void paint(Graphics g) 
    {
        Dimension d = getSize();
        Color bg = getBackground();
        g.setColor(bg);
        g.draw3DRect(0, 0, d.width - 1, d.height - 1, true);
        g.draw3DRect(3, 3, d.width - 7, d.height - 7, false);
    }  

}