Java俄罗斯方块小游戏

package cn.hncu;

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.keyadapter;
import java.awt.event.keyevent;

import javax.swing.jframe;
import javax.swing.jmenu;
import javax.swing.jmenubar;
import javax.swing.jmenuitem;
import javax.swing.joptionpane;
import javax.swing.jpanel;
import javax.swing.timer;

public class tetris extends jframe{
 public static void main(string[] args) {
 tetris te = new tetris();
 te.setvisible(true);
 //如果在界面中添加了编辑框等会抢占焦点的控件，则需要用下面的代码
 //te.requestfocus(true);//让游戏面板获得焦点--抢到键盘的监听
 }
 private tetrispanel tp;
 jmenuitem itempause;
 jmenuitem itemcontinue;

 public tetris() {
 this.setdefaultcloseoperation(exit_on_close);
 this.setlocation(700, 200);
 this.setsize(220, 275);
 this.setresizable(false);
 tp = new tetrispanel();
 this.getcontentpane().add(tp);

 //添加菜单
 jmenubar menubar = new jmenubar();
 this.setjmenubar(menubar);
 jmenu menugame = new jmenu("游戏");
 menubar.add(menugame);

 jmenuitem itemnew = new jmenuitem("新游戏");
 itemnew.setactioncommand("new");
 itempause = new jmenuitem("暂停");
 itempause.setactioncommand("pause");

 itemcontinue = new jmenuitem("继续");
 itemcontinue.setactioncommand("continue");
 itemcontinue.setenabled(false);

 menugame.add(itemnew);
 menugame.add(itempause);
 menugame.add(itemcontinue);

 menulistener menulistener = new menulistener();
 itemnew.addactionlistener(menulistener);
 itempause.addactionlistener(menulistener);
 itemcontinue.addactionlistener(menulistener);


 //让整个jframe添加键盘监听
 this.addkeylistener( tp.listener );
 }
 class menulistener implements actionlistener{
 @override
 public void actionperformed(actionevent e) {
 //玩新游戏
 if(e.getactioncommand().equals("new")){
 tp.newgame();
 }
 if(e.getactioncommand().equals("pause")){
 timer.stop();
 itemcontinue.setenabled(true);
 itempause.setenabled(false);
 }
 if(e.getactioncommand().equals("continue")){
 timer.restart();
 itemcontinue.setenabled(false);
 itempause.setenabled(true);
 }
 }
 }

 private timer timer;

 class tetrispanel extends jpanel{
 // 方块的形状：
 // 第一维代表方块类型(包括7种:s、z、l、j、i、o、t)
 // 第二维代表旋转次数
 // 第三四维代表方块矩阵
 // shapes[type][turnstate][i] i--> block[i/4][i%4]
 int shapes[][][] = new int[][][] {
 /*
  * 模板 { {0,0,0,0,0,0,0,0, 0,0,0,0, 0,0,0,0}, {0,0,0,0,0,0,0,0, 0,0,0,0,
  * 0,0,0,0}, {0,0,0,0,0,0,0,0, 0,0,0,0, 0,0,0,0}, {0,0,0,0,0,0,0,0,
  * 0,0,0,0, 0,0,0,0} }
  */
  // i (※把版本1中的横条从第1行换到第2行)
  { { 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0 },
  { 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0 },
  { 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0 },
  { 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0 } },
  // s
  { { 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
  { 0, 1, 0, 0, 0, 1, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0 },
  { 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
  { 0, 1, 0, 0, 0, 1, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0 } },
  // z
  { { 1, 1, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
  { 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0 },
  { 1, 1, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
  { 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0 } },
  // j
  { { 0, 1, 0, 0, 0, 1, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0 },
  { 1, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
  { 1, 1, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0 },
  { 1, 1, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 } },
  // o
  { { 1, 1, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
  { 1, 1, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
  { 1, 1, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
  { 1, 1, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 } },
  // l
  { { 1, 0, 0, 0, 1, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0 },
  { 1, 1, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
  { 1, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0 },
  { 0, 0, 1, 0, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 } },
  // t
  { { 0, 1, 0, 0, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
  { 0, 1, 0, 0, 1, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0 },
  { 1, 1, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
  { 0, 1, 0, 0, 0, 1, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0 } }
  };

 private int blocktype;//方块类型
 private int turnstate;//旋转状态
 private int x;//方块的位置x--列的位置--列号
 private int y;//方块的位置y--行的位置--行号

 private int map[][]=new int[13][23];//地图：12列22行。为防止越界，数组开成：13列23行


 private int delay=1000;
 public timerkeylister listener=new timerkeylister(); 

 private int score=0;//分数

 public tetrispanel(){
 newgame();
 nextblock();
 //timer = new timer(delay,listener);
 //timer.start();
 }

 public void newgame() {
 blocktype = (int)(math.random()*1000)%7;
 turnstate = (int)(math.random()*1000)%4;
 x=4;
 y=0;

 for( int i=0;i<12;i++){//走列
 for(int j=0;j<21;j++){//走行
  if(i==0 || i==11){//3为界面边框的格
  map[i][j]=3;//按理只要用0和1以外的整数就可以，但这里用3有特殊作用--后面用
  }else{
  map[i][j]=0;
  }
 }
 map[i][21]=3;//3为界面边框的格
 }

 if(timer!=null){
 timer.stop();
 }

 delay=1000;
 timer = new timer(delay,listener);
 timer.start();
 }

 private void nextblock() {
 blocktype = (int)(math.random()*1000)%7;
 turnstate = (int)(math.random()*1000)%4;
 x=4;
 y=0;
 //game over
 if(crash(x,y,blocktype,turnstate)==0){
 timer.stop();
 int option = joptionpane.showconfirmdialog(this,
  "game over!!，还敢来吗...");
 if (option == joptionpane.ok_option) {
  newgame();
 } else if (option == joptionpane.no_option) {
  system.exit(0);
 }
 }
 }

 private void down() {
 if( crash(x,y+1,blocktype,turnstate)==0 ){//注意，这里用y+1，是判断块往下掉一格后，map中对应位置是否为堆积块或框架
 add(x,y,blocktype,turnstate);//把当前方块的信息保存到地图
 nextblock();
 }else{
 y++;
 }
 repaint();
 }
 private void left() {
 if(x>=0){
 x -= crash(x-1,y,blocktype,turnstate);
 }
 repaint();
 }
 private void right() {
 if(x<8){
 x += crash(x+1,y,blocktype,turnstate);
 }
 repaint();
 }
 private void turn() {
 if(crash(x,y,blocktype,(turnstate+1)%4)==1 ){
 turnstate = (turnstate+1)%4;
 }
 repaint();
 }

 private void add(int x, int y, int blocktype, int turnstate) {
 for( int a=0; a<4; a++){
 for(int b=0; b<4; b++){
  if( shapes[blocktype][turnstate][a*4+b] ==1 ){
  map[x+b+1][y+a] = 1;
  }
 }
 }
 trydelline();
 }

 //消行
 private void trydelline(){
 for(int b=0;b<21;b++){
 int c=1;
 for(int a=0;a<12;a++){
  c &= map[a][b];//全部是1，c的结果才是1
 }
 if(c==1){//有一行需要消
  //依次往下移动一行
  for(int d=b; d>0; d--){
  for(int e=0;e<11;e++){
  map[e][d] = map[e][d-1];
  }
  }
  //加分
  score +=100;
  delay /=1.05;
  timer.setdelay(delay);
 }
 }

 }

 //参数例子: 4,3,2,3
 //判断有无碰撞
 private int crash(int x, int y, int blocktype, int turnstate){
 for( int a=0; a<4; a++){
 for(int b=0; b<4; b++){
//  if( (shapes[blocktype][turnstate][a*4+b]==1 && map[x+b+1][y+a] ==1) ||
//  (shapes[blocktype][turnstate][a*4+b]==1 && map[x+b+1][y+a] ==3 ) ){
//  }
  if( (shapes[blocktype][turnstate][a*4+b] & map[x+b+1][y+a]) ==1 ){
  return 0;//碰撞
  }
 }
 }
 return 1;//没有碰撞
 }

 @override
 public void paint(graphics g) {
// blocktype =6;
// turnstate = 3;
// x=4;
// y=6;
 super.paint(g);//消除残影

 g.setcolor(new color(153,51,205));
 //画当前方块
 for(int j=0;j<16;j++){
 if(shapes[blocktype][turnstate][j]==1){
  g.fillrect((j%4+x+1)*10, (j/4+y)*10, 10, 10);
  g.setcolor(color.cyan);
  g.drawrect((j%4+x+1)*10, (j/4+y)*10, 10, 10);
  g.setcolor(new color(153,51,205));
 }
 }

 //画界面框架 以及 堆积块---整个地图
 g.setcolor(color.red);
 for( int i=0;i<12;i++){//走列
 for(int j=0;j<22;j++){//走行
  if(map[i][j]==3){
  g.drawrect(i*10, j*10, 10, 10);
  }else if(map[i][j]==1){
  g.fillrect(i*10, j*10, 10, 10);
  g.setcolor(color.green);
  g.drawrect(i*10, j*10, 10, 10);
  g.setcolor(color.red);
  }
 }
 }

 //显示分数，同时为版面美观，在界面上再加点东西
 // 画方块区右侧部分
 g.setcolor(color.red);
 g.setfont(new font("aa", font.bold, 11));
 g.drawstring("score=" + score, 130, 20);

 g.setfont(new font("aa", font.plain, 13));
 g.setcolor(color.blue);
 g.drawstring("拒绝盗版游戏，", 125, 70);
 g.drawstring("注意自我保护。", 125, 90);
 g.drawstring("谨防受骗上当。", 125, 110);
 g.drawstring("适度游戏益脑，", 125, 130);
 g.drawstring("沉迷游戏伤身。", 125, 150);
 g.drawstring("合理安排时间，", 125, 170);
 g.drawstring("享受健康生活。", 125, 190);

 }

 class timerkeylister extends keyadapter implements actionlistener{
 @override
 public void actionperformed(actionevent e) {
 down();
 }

 @override
 public void keypressed(keyevent e) {
 switch(e.getkeycode()){
  case keyevent.vk_down:
  down(); break;
  case keyevent.vk_left:
  left();break;
  case keyevent.vk_right:
  right();break;
  case keyevent.vk_up:
  turn();break;
  case keyevent.vk_f1:
  plug();
  case keyevent.vk_f2:
  time();
 }
 }

 }

 public void plug() {
 score+=100;
 }

 public void time() {
 delay =1000;
 timer.setdelay(delay);
 }

 }


}