tictactoe.java

TicTacToe是一个人机对战的棋类游戏

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;

public class TicTacToe extends JPanel
{ public TicTacToe(Image o,Image x)
  { init(o,x);}
  protected void init(Image o,Image x)
  { if(board==null)
    {  board=new TicBoard(o,x,Color.white,this);
       game=new TicGame(board,this);
    }
    setLayout(new BorderLayout());
    add(board,BorderLayout.CENTER);
    board.setGame(game);
    board.addMouseListener(new MouseHandler());
    newGame();
  }
  protected void newGame()
  { game.reset();
    if(first)
    { game.move(1,4,TicGame.PLAYER_O);
    }
    first=!first;
    board.repaint();
   /* gameBegin();*/
  }
  public void userMove(int sou,int tar)
  {  if(game.ended())
     {  newGame();
         return;
     }
     if(!move(sou,tar,TicGame.PLAYER_X))  invalidMove();
     else if(!game.ended())
     {
        int t=game.generateMove();
        if(t!=TicGame.NOMOVE) move(source,target,TicGame.PLAYER_O);
     } 
     source=-1;
  }
  protected boolean move(int sou,int tar,boolean player)  
  {  int status=game.move(sou,tar,player);
     if(status==TicGame.NOMOVE) return false;
     board.repaint();
     if(status==TicGame.WIN_X||status==TicGame.WIN_O) winner();
     return true;
  }
  protected void winner() {}
  protected void invalidMove() { target=source=-1;}
  
  class MouseHandler extends MouseAdapter
  {  
     public void mouseClicked(MouseEvent e)
     {  if(source>=0) 
          {  int c=board.col(e.getX());
             int r=board.row(e.getY());
             target=c+r*3;
             userMove(source,target);  
          }
        else
              validateSourcePoint(e.getX(),e.getY());
     }
     
  }
  
 
  protected void validateSourcePoint(int mouseX,int mouseY)
  {      int i=0,count=3;
         int c=board.col(mouseX);
         int r=board.row(mouseY);
         source=c+r*3;
         int x=game.getCrossValue();
         while(count>0)
         {
            if((x&1)!=0)
             { count--;
               if(i==source)  return;
             }
            i++;x>>=1;
         }
         source=-1;
  }
  public void setMove(int s,int t)
  {  
     source=s;
     target=t;
  }
  protected TicBoard board=null;
  protected TicGame game=null;
  protected boolean first=false;
  protected int source=-1,target=-1;
 
}