java简单实现中国象棋
可以实现简单的人机对战功能,棋子移动会插入关键帧,可以悔棋等功能
运行效果
import java.awt.Canvas;
import java.awt.Color;
import java.awt.Font;
import java.awt.Graphics;
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.util.Random;
import java.util.Stack;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JOptionPane;
public class Chinesechese extends Canvas implements MouseListener
{class Record{int fromx,fromy,tox,toy,fromindex,toindex;Record(int fromx,int fromy,int tox,int toy,int fromindex,int toindex){this.fromx=fromx; this.fromy=fromy; this.tox=tox; this.toy=toy; this.fromindex=fromindex; this.toindex=toindex; }}int take_x=-1,take_y=-1,player=0;boolean isRuning=true;int table[][]=new int[10][11];String name[]= {"","将","仕","像","傌","俥","炮","卒","帅","士","相","马","车","炮","兵"};int value[]= {0,1000,30,30,50,200,100,30,-1000,-30,-30,-50,-200,-100,-30};int init_table[]= {0,5,4,3,2,1,2,3,4,5};Random radom=new Random();BufferedImage map = new BufferedImage(500, 600, BufferedImage.TYPE_INT_RGB);BufferedImage offScreenImage = new BufferedImage(500, 600, BufferedImage.TYPE_INT_RGB);BufferedImage runImage = new BufferedImage(500, 600, BufferedImage.TYPE_INT_RGB);Stack<Record> recordstk=new Stack<Record>();Chinesechese(){this.addMouseListener(this);this.setBounds(150, 0,500, 600);this.setBackground(Color.BLACK);Graphics g=map.getGraphics();g.setColor(Color.WHITE);g.fillRect(0, 0, 500, 570);g.setColor(Color.black);g.setFont(new Font("Dialog",0,35));g.drawString(" 楚河 汉界", 130, 285);for(int i=0;i<9;i++) {g.drawLine(i*50+50,30+10, i*50+50, 230+10);g.drawLine(i*50+50,300+10, i*50+50,500+10);}for(int i=0;i<5;i++)g.drawLine(50, 30+i*50+10, 450, 30+i*50+10);for(int i=0;i<5;i++)g.drawLine(50, 300+i*50+10, 450, 300+i*50+10);g.drawLine(50, 230, 50, 330);g.drawLine(450, 230, 450, 330);g.drawLine(200, 30+10, 300, 130+10);g.drawLine(200, 130+10, 300, 30+10);g.drawLine(200, 400+10, 300, 500+10);g.drawLine(200, 500+10, 300, 400+10);for(int i=0;i<10;i++)table[i][1]=init_table[i];for(int i=0;i<10;i++)table[i][10]=init_table[i]+7;for(int i=1;i<10;i+=2)table[i][4]=7;for(int i=1;i<10;i+=2)table[i][7]=14;table[2][3]=table[8][3]=6;table[2][8]=table[8][8]=13;paintTable();}public void paint(Graphics g) {g.drawImage(offScreenImage, 0, 0, 500, 600, this);}void paintTable() {Graphics g=offScreenImage.getGraphics();g.drawImage(map, 0, 0, 500, 600, this);for(int h=1;h<=10;h++)for(int w=1;w<10;w++) {if(table[w][h]==0)continue;if(h<=5) {g.setColor(Color.white);g.fillArc(w*50-25, h*50-35, 50, 50, 0, 360);if(table[w][h]<=7)g.setColor(Color.green);else g.setColor(Color.red);g.drawArc(w*50-25, h*50-35,50, 50, 0, 360);g.drawArc(w*50-25+5, h*50-35+5,40, 40, 0, 360);g.setFont(new Font("Dialog",0,35));g.drawString(name[table[w][h]], w*50-18, h*50+2);}else {g.setColor(Color.white);g.fillArc(w*50-25, h*50-15, 50, 50, 0, 360);if(table[w][h]<=7)g.setColor(Color.green);else g.setColor(Color.red);g.drawArc(w*50-25, h*50-15,50, 50, 0, 360);g.drawArc(w*50-20, h*50-10,40, 40, 0, 360);g.setFont(new Font("Dialog",0,35));g.drawString(name[table[w][h]], w*50-18, h*50+22);}} }void run(int startx,int starty,int endx,int endy,int index) {int k=Math.abs(endx-startx)*5+Math.abs(endy-starty)*5;startx=startx*50-25;if(starty<=5)starty=starty*50-35;else starty=starty*50-15;endx=endx*50-25;if(endy<=5)endy=endy*50-35;else endy=endy*50-15;Graphics tg=runImage.getGraphics();Graphics g=this.getGraphics();paintTable();for(int i=1;i<=k;i++) {try {Thread.sleep(10);} catch (InterruptedException e) {e.printStackTrace();}int x=(-startx+endx)/k*i+startx;int y=(-starty+endy)/k*i+starty;tg.drawImage(offScreenImage, 0, 0, 500, 600, this);tg.setColor(Color.white);tg.fillArc(x, y, 50, 50, 0, 360);if(index<=7)tg.setColor(Color.green);else tg.setColor(Color.red);tg.drawArc(x, y,50, 50, 0, 360);tg.drawArc(x+5, y+5,40, 40, 0, 360);tg.setFont(new Font("Dialog",0,35));tg.drawString(name[index], x+7, y+37);g.drawImage(runImage, 0, 0, 500, 600, this);}int x=endx;int y=endy;tg.drawImage(offScreenImage, 0, 0, 500, 600, this);tg.setColor(Color.white);tg.fillArc(x, y, 50, 50, 0, 360);if(index<=7)tg.setColor(Color.green);else tg.setColor(Color.red);tg.drawArc(x, y,50, 50, 0, 360);tg.drawArc(x+5, y+5,40, 40, 0, 360);tg.setFont(new Font("Dialog",0,35));tg.drawString(name[index], x+7, y+37);g.drawImage(runImage, 0, 0, 500, 600, this);}int getnum(int sx,int sy,int ex,int ey) {int cnt=0,t;cnt-=(table[sx][sy]==0)?0:1;cnt-=(table[ex][ey]==0)?0:1;if(sx>ex) {t=sx;sx=ex;ex=t;}if(sy>ey) {t=sy;sy=ey;ey=t;}for(int i=sx;i<=ex;i++)for(int j=sy;j<=ey;j++)cnt+=(table[i][j]==0)?0:1;return cnt;}boolean canmove(int sx,int sy,int ex,int ey) {if(sx==ex&&sy==ey||table[sx][sy]==0||table[ex][ey]!=0&&table[ex][ey]/8==table[sx][sy]/8)return false;if(table[sx][sy]%7==1&&table[ex][ey]%7==1&&Math.abs(ex-sx)==0&&getnum(ex,ey,sx,sy)==0)return true;switch(table[sx][sy]) {case 1:return ex>3&&ex<7&&ey<4&&Math.abs(ex-sx)+Math.abs(ey-sy)==1;case 2:return ex>3&&ex<7&&ey<4&&Math.abs(ex-sx)==1&&Math.abs(ey-sy)==1;case 3:return ey<6&&Math.abs(ex-sx)==2&&Math.abs(ey-sy)==2&&table[(ex+sx)/2][(sy+ey)/2]==0;case 4:return Math.abs(ex-sx)==2&&Math.abs(ey-sy)==1&&table[(ex+sx)/2][sy]==0||Math.abs(ex-sx)==1&&Math.abs(ey-sy)==2&&table[sx][(ey+sy)/2]==0;case 5:return (Math.abs(ex-sx)==0||Math.abs(ey-sy)==0)&&getnum(ex,ey,sx,sy)==0;case 6:return (Math.abs(ex-sx)==0||Math.abs(ey-sy)==0)&&(table[ex][ey]!=0&&getnum(ex,ey,sx,sy)==1||table[ex][ey]==0&&getnum(ex,ey,sx,sy)==0);case 7:return ey<6&&Math.abs(ex-sx)==0&&ey-sy==1||ey>=6&&Math.abs(ex-sx)+Math.abs(ey-sy)==1&&ey>=sy;}switch(table[sx][sy]-7) {case 1:return ex>3&&ex<7&&ey>7&&Math.abs(ex-sx)+Math.abs(ey-sy)==1;case 2:return ex>3&&ex<7&&ey>7&&Math.abs(ex-sx)==1&&Math.abs(ey-sy)==1;case 3:return ey>5&&Math.abs(ex-sx)==2&&Math.abs(ey-sy)==2&&table[(ex+sx)/2][(sy+ey)/2]==0;case 4:return Math.abs(ex-sx)==2&&Math.abs(ey-sy)==1&&table[(ex+sx)/2][sy]==0||Math.abs(ex-sx)==1&&Math.abs(ey-sy)==2&&table[sx][(ey+sy)/2]==0;case 5:return (Math.abs(ex-sx)==0||Math.abs(ey-sy)==0)&&getnum(ex,ey,sx,sy)==0;case 6:return (Math.abs(ex-sx)==0||Math.abs(ey-sy)==0)&&(table[ex][ey]!=0&&getnum(ex,ey,sx,sy)==1||table[ex][ey]==0&&getnum(ex,ey,sx,sy)==0);case 7:return ey>5&&Math.abs(ex-sx)==0&&ey-sy==-1||ey<6&&Math.abs(ex-sx)+Math.abs(ey-sy)==1&&ey<=sy;}return false;}int AImovefour() {int re=0;for(int w=1;w<10;w++)for(int h=1;h<11;h++) if(table[w][h]>7){for(int x=1;x<10;x++)for(int y=1;y<11;y++) if(canmove(w,h,x,y)) {int t=table[x][y];if(table[x][y]==1)return -3000;int score=-value[t];if(score<re) re=score;}}return re;}int AImovethree() {int re=-3000;for(int w=1;w<10;w++)for(int h=1;h<11;h++) if(table[w][h]>0&&table[w][h]<8){for(int x=1;x<10;x++)for(int y=1;y<11;y++) if(canmove(w,h,x,y)) {if(table[x][y]==8)return 3000;int t=table[x][y];table[x][y]=table[w][h];table[w][h]=0;int score=-value[t]+AImovefour();if(score>re&&score+value[t]!=-3000) re=score;table[w][h]=table[x][y];table[x][y]=t;}}return re;}int AImovetwo() {int re=3000;for(int w=1;w<10;w++)for(int h=1;h<11;h++) if(table[w][h]>7){for(int x=1;x<10;x++)for(int y=1;y<11;y++) if(canmove(w,h,x,y)) {if(table[x][y]==1)return -3000;int t=table[x][y];table[x][y]=table[w][h];table[w][h]=0;int score=-value[t]+AImovethree();if(score<re&&score+value[t]!=3000) re=score;table[w][h]=table[x][y];table[x][y]=t;}}return re;}void AImove() {int take_x=0,take_y=0,q_x=0,q_y=0,maxval=-3000;int flag=0;for(int w=1;w<10;w++) {for(int h=1;h<11;h++) if(table[w][h]>0&&table[w][h]<8){for(int x=1;x<10;x++) {for(int y=1;y<11;y++) if(canmove(w,h,x,y)) {int movenum=0;for(int i=1;i<10;i++)for(int j=1;j<11;j++)if(canmove(w,h,i,j))movenum-=value[table[i][j]]/10+1;int t=table[x][y];table[x][y]=table[w][h];table[w][h]=0;int score=-value[t]+AImovetwo();table[w][h]=table[x][y];table[x][y]=t;for(int i=1;i<10;i++)for(int j=1;j<11;j++)if(canmove(x,y,i,j))movenum+=value[table[i][j]]/10+1;if(score+movenum>=maxval&&score+value[t]!=-3000) {if(score+movenum>maxval||radom.nextBoolean()) {maxval=score+movenum;take_x=w;take_y=h;q_x=x;q_y=y; }} if(t==8) {maxval=3000;flag=1;take_x=w;take_y=h;q_x=x;q_y=y;break;}}if(flag==1)break;}if(flag==1)break;} if(flag==1)break;} if(maxval<=-3000) {JOptionPane.showMessageDialog(null,"你赢了");isRuning=false;}else {if(maxval>=3000) {JOptionPane.showMessageDialog(null,"你输了");isRuning=false;}int index=table[take_x][take_y];table[take_x][take_y]=0;recordstk.push(new Record(take_x,take_y,q_x,q_y,index,table[q_x][q_y]));run(take_x,take_y,q_x,q_y,index);table[q_x][q_y]=index;paintTable();}}public static void main(String[] args) {JFrame gameFrame=new JFrame("中国象棋");JButton regame=new JButton("重新开始");JButton retake=new JButton("悔棋");JButton complay=new JButton("电脑出手");Chinesechese chinesechese=new Chinesechese();retake.addActionListener(new ActionListener() {public void actionPerformed(ActionEvent e) {if(chinesechese.recordstk.empty())JOptionPane.showMessageDialog(null,"无法再次悔棋");else {for(int i=0;i<2;i++) {Chinesechese.Record record=chinesechese.recordstk.pop();chinesechese.table[record.tox][record.toy]=record.toindex;chinesechese.paintTable();chinesechese.run(record.tox, record.toy, record.fromx,record.fromy,record.fromindex);chinesechese.table[record.fromx][record.fromy]=record.fromindex;chinesechese.take_x=chinesechese.take_y=-1;chinesechese.paintTable();chinesechese.repaint(); }}}});regame.addActionListener(new ActionListener() {public void actionPerformed(ActionEvent e) {while(chinesechese.recordstk.empty()==false) {Chinesechese.Record record=chinesechese.recordstk.pop();chinesechese.table[record.tox][record.toy]=record.toindex;chinesechese.paintTable();chinesechese.run(record.tox, record.toy, record.fromx,record.fromy,record.fromindex);chinesechese.table[record.fromx][record.fromy]=record.fromindex;chinesechese.take_x=chinesechese.take_y=-1;chinesechese.paintTable();chinesechese.repaint();}chinesechese.isRuning=true;}});complay.addActionListener(new ActionListener() {public void actionPerformed(ActionEvent e) {chinesechese.AImove();}});regame.setBounds(670, 450, 100, 50);retake.setBounds(670, 350, 100, 50);complay.setBounds(670,250, 100, 50);gameFrame.setBounds(100, 100, 800, 600);gameFrame.setLayout(null);gameFrame.add(chinesechese);gameFrame.add(regame);gameFrame.add(retake);gameFrame.add(complay);gameFrame.setVisible(true);gameFrame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);}public void mouseClicked(MouseEvent e) {// TODO Auto-generated method stub}@Overridepublic void mousePressed(MouseEvent e) {int x=e.getX();int y=e.getY();int q_x=-1,q_y=-1;if(y<=265) {q_y=(y+35)/50;q_x=(x+25)/50;}if(y>=285){q_y=(y+15)/50;q_x=(x+25)/50;}if(q_x>9||q_y>10||q_x<1||q_y<1) {q_x=-1;q_y=-1;}if(q_x!=-1&&q_y!=-1&&isRuning) {if(take_x!=-1) {if(table[take_x][take_y]>0&&canmove(take_x,take_y,q_x,q_y)) {int index=table[take_x][take_y];table[take_x][take_y]=0;recordstk.push(new Record(take_x,take_y,q_x,q_y,index,table[q_x][q_y]));run(take_x,take_y,q_x,q_y,index);take_x=-1;take_y=-1;table[q_x][q_y]=index;Graphics g=this.getGraphics();g.fillRect(100, 220, 300, 100);g.setColor(Color.green);g.setFont(new Font("Dialog",0,35));g.drawString(" 等待绿方下棋 ", 130, 285);paintTable();AImove();}else{take_x=-1;take_y=-1;paintTable();repaint();}}elseif(table[q_x][q_y]!=0&&take_x==-1) {take_x=q_x;take_y=q_y; Graphics g=offScreenImage.getGraphics();g.setColor(Color.BLACK);if(take_y<=5)g.drawRect(take_x*50-25, take_y*50-35, 50, 50);else g.drawRect(take_x*50-25, take_y*50-15, 50, 50);g.setColor(Color.gray);for(int w=1;w<10;w++)for(int h=1;h<11;h++) {if(canmove(take_x,take_y,w,h)) {if(h<=5)g.drawRect(w*50-20, h*50-30, 40, 40);else g.drawRect(w*50-20, h*50-10, 40, 40);}}repaint();}}}public void mouseReleased(MouseEvent e) {// TODO Auto-generated method stub}public void mouseEntered(MouseEvent e) {// TODO Auto-generated method stub}public void mouseExited(MouseEvent e) {// TODO Auto-generated method stub}
}