java swing人机对战五子棋

package jsj.lgl; import java.awt.Color; import java.awt.Graphics; import java.awt.Point; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.awt.event.MouseEvent; import java.awt.event.MouseListener; import java.awt.image.BufferedImage; import java.io.File; import java.io.IOException; import java.util.ArrayList; import javax.imageio.ImageIO; import javax.swing.ImageIcon; import javax.swing.JButton; import javax.swing.JOptionPane; import javax.swing.JPanel; public class CBoardPanel extends JPanel implements MouseListener { private static final int START_X=20; private static final int START_Y=20; private static final int STEP=35; private static final int ROW=15; private static final int COL=15; public static final int BLANK=1; public static final int WHITE=-1; public static final int NONE=0; public static final int AI_FIRST=1; public static final int HUMAN_FIRST=2; public static final int EASY=2; public static final int HARD=4; private BufferedImage chessBoardImage=null,whiteImage=null,blankImage=null;//图片 private int[][] chesses=new int[ROW][COL];//棋盘情况 private int aiColor,humColor;//电脑和人的棋子颜色 private int level;//当前难度 private ChessBoard cb;//主类的引用 private boolean isHumTurn=false;//是不是轮到人下的布尔值，true代表轮到人下 private int currRow,currCol;//当前棋子的行和列 private int winner=NONE;//表示赢家的颜色，初始为空 private ArrayList<Point> chessProcess=new ArrayList<Point>();//表示每一个棋子下的先后顺序，用于悔棋 private static final int FIVE = 10000;//能成五连 private static final int L_FOUR =2000;//能成活四 private static final int D_FOUR = 1200;//能成死四 private static final int L_THREE = 800;//能成活三 private static final int D_THREE = 180;//能成死三 private static final int L_TWO = 80;//能成活二 private static final int D_TWO = 20;//能成死二 private static final int HENG=1; private static final int SHU=2; private static final int XIE45=3; private static final int XIE135=4; public CBoardPanel(int whoFirst,int level,ChessBoard cb)//构造器 { this.cb=cb; this.level=level; chesses=new int[ROW][COL]; winner=NONE; if(whoFirst==HUMAN_FIRST) { isHumTurn=true; humColor=BLANK; aiColor=WHITE; } else { humColor=WHITE; aiColor=BLANK; isHumTurn=false; //电脑走一步棋 aiGoOneStep(); } try { chessBoardImage=ImageIO.read(new File("image/chessboard.jpg")); blankImage = ImageIO.read(new File("image/b.jpg")); whiteImage = ImageIO.read(new File("image/w.jpg")); } catch (IOException e) { e.printStackTrace(); } this.addMouseListener(this); } public void restart(int whoFirst,int level,ChessBoard cb)//重新开始的方法 { this.level=level; chesses=new int[ROW][COL]; winner=NONE; chessProcess.clear(); if(whoFirst==HUMAN_FIRST) { isHumTurn=true; humColor=BLANK; aiColor=WHITE; } else { humColor=WHITE; aiColor=BLANK; isHumTurn=false; //电脑走一步棋 aiGoOneStep(); } this.repaint(); } public void paintComponent(Graphics g)//重写的paintComponent方法 { super.paintComponents(g); g.drawImage(chessBoardImage,0,0,this); for(int i=0;i<ROW;i++) { for(int j=0;j<COL;j++) { if(chesses[i][j]==BLANK) { drawImageInRowCol(i,j,blankImage,g); } else if(chesses[i][j]==WHITE) { drawImageInRowCol(i,j,whiteImage,g); } } } g.setColor(Color.RED); if(chessProcess.size()>0) { g.drawRect(currCol*STEP+2, currRow*STEP+2, STEP, STEP); } } public void back()//退一步棋 { if(!isHumTurn||chessProcess.size()<2) { return; } winner=NONE; Point p=chessProcess.get(chessProcess.size()-1); chesses[p.x][p.y]=NONE; chessProcess.remove(chessProcess.size()-1); p=chessProcess.get(chessProcess.size()-1); chesses[p.x][p.y]=NONE; chessProcess.remove(chessProcess.size()-1); if(chessProcess.size()>0) { p=chessProcess.get(chessProcess.size()-1); currRow=p.x;currCol=p.y; } this.repaint(); } public void setLevel(int level)//设置难易程度 { this.level=level; } private void drawImageInRowCol(int row,int col,BufferedImage image,Graphics g)//在指定行和列画棋子 { int x=col*STEP+3; int y=row*STEP+3; g.drawImage(image,x,y,this); } private Point pressWhere(MouseEvent e)//判断鼠标的点击位置，转换为行和列 { int x=e.getPoint().x; int y=e.getPoint().y; int row=(y-START_Y+STEP/2)/STEP; int col=(x-START_X+STEP/2)/STEP; return new Point(row,col); } private void goOneStep(int row,int col,int color)//生成一步棋，并判断是否有玩家胜出 { chesses[row][col]=color; chessProcess.add(new Point(row,col)); currRow=row;currCol=col; this.repaint(); boolean flag=isWin(currRow,currCol,color); if(flag) { winner=color; String msg; if(winner==BLANK) { msg="黑方胜啦！"; } else { msg="白方胜啦！"; } JOptionPane.showMessageDialog(cb,msg,"游戏结束",JOptionPane.INFORMATION_MESSAGE); } if(color==humColor&&winner==NONE) { aiGoOneStep(); } } private int score(int row,int col,int dir,int color)//判断当前点指定方向的棋形 { if(row<0||row>=ROW||col<0||col>=COL||chesses[row][col]!=NONE) { return 0; } int x=0,y=0; boolean lflag=false,rflag=false;//左右标志位 int qx=1; int ltemp=0,rtemp=0; switch(dir) { case HENG:x=1;y=0; break; case SHU:x=0;y=1; break; case XIE45:x=1;y=1; break; case XIE135:x=1;y=-1; break; } int currRow=row,currCol=col; for(int i=1;i<=5;i++)//往左看 { currRow=row-i*y; currCol=col-i*x; if(currRow<0||currRow>=ROW||currCol<0||currCol>=COL) { lflag=true; break; } if(chesses[currRow][currCol]==color) { qx+=1; } else if(chesses[currRow][currCol]==-color) { lflag=true; break; } else if(chesses[currRow][currCol]==NONE) { for(int j=1;j<5;j++) { currRow=row-i*y; currCol=col-i*x; if(chesses[currRow][currCol]==color) { ltemp++; } else if(chesses[currRow][currCol]==-color) { lflag=true; break; } else { break; } } break; } } for(int i=1;i<=5;i++)//往右看 { currRow=row+i*y; currCol=col+i*x; if(currRow<0||currRow>=ROW||currCol<0||currCol>=COL) { rflag=true; break; } if(chesses[currRow][currCol]==color) { qx+=1; } else if(chesses[currRow][currCol]==-color) { rflag=true; break; } else if(chesses[currRow][currCol]==NONE) { for(int j=1;j<5;j++) { currRow=row+i*y; currCol=col+i*x; if(chesses[currRow][currCol]==color) { rtemp++; } else if(chesses[currRow][currCol]==-color) { rflag=true; break; } else { break; } } break; } } int temp=Math.max(ltemp, rtemp); //System.out.println("qx="+qx); if(qx>=5) { return FIVE; } else if(lflag&&rflag) { return 0; } else { qx+=temp; if(lflag||rflag) { switch(qx) { case 1:return 0; case 2:return D_TWO; case 3:return D_THREE; case 4:return D_FOUR; } } else { if(temp>0) { switch(qx) { case 1:return 0; case 2:return D_TWO; case 3:return D_THREE; case 4:return D_FOUR; } } else { switch(qx) { case 1:return 0; case 2:return L_TWO; case 3:return L_THREE; case 4:return L_FOUR; } } } } return 0; } private int getScore(int row,int col,int color) { int result=0; int heng=score(row,col,HENG,color);int he