俄罗斯方块源码

package com.hsj.tetris; import java.awt.Color; import java.awt.Font; import java.awt.Graphics; import java.awt.Image; import java.awt.event.KeyAdapter; import java.awt.event.KeyEvent; import java.util.Arrays; import java.util.Timer; import java.util.TimerTask; import javax.imageio.ImageIO; import javax.swing.JFrame; import javax.swing.JPanel; /** * 俄罗斯方块游戏面板 * */ public class Tetris extends JPanel { /** 正在下落方块 */ private Tetromino tetromino; /** 下一个下落方块 */ private Tetromino nextOne; /** 行数 */ public static final int ROWS = 20; /** 列数 */ public static final int COLS = 10; /** 墙 */ private Cell[][] wall = new Cell[ROWS][COLS]; /** 消掉的行数 */ private int lines; /** 分数 */ private int score; public static final int CELL_SIZE = 26; private static Image background;//背景图片 public static Image I; public static Image J; public static Image L; public static Image S; public static Image Z; public static Image O; public static Image T; static{//加载静态资源的，加载图片 //建议将图片放到 Tetris.java 同包中! //从包中加载图片对象，使用Swing API实现 // Toolkit toolkit = Toolkit.getDefaultToolkit(); // background = toolkit.getImage( // Tetris.class.getResource("tetris.png")); // T = toolkit.getImage(Tetris.class.getResource("T.png")); // S = toolkit.getImage(Tetris.class.getResource("S.png")); // Z = toolkit.getImage(Tetris.class.getResource("Z.png")); // L = toolkit.getImage(Tetris.class.getResource("L.png")); // J = toolkit.getImage(Tetris.class.getResource("J.png")); // I = toolkit.getImage(Tetris.class.getResource("I.png")); // O = toolkit.getImage(Tetris.class.getResource("O.png")); //import javax.imageio.ImageIO; try{ background = ImageIO.read( Tetris.class.getResource("tetris.png")); T=ImageIO.read(Tetris.class.getResource("T.png")); I=ImageIO.read(Tetris.class.getResource("I.png")); S=ImageIO.read(Tetris.class.getResource("S.png")); Z=ImageIO.read(Tetris.class.getResource("Z.png")); L=ImageIO.read(Tetris.class.getResource("L.png")); J=ImageIO.read(Tetris.class.getResource("J.png")); O=ImageIO.read(Tetris.class.getResource("O.png")); }catch(Exception e){ e.printStackTrace(); } } public void action(){ //tetromino = Tetromino.randomTetromino(); //nextOne = Tetromino.randomTetromino(); //wall[19][2] = new Cell(19,2,Tetris.T); startAction(); repaint(); KeyAdapter l = new KeyAdapter() { public void keyPressed(KeyEvent e) { int key = e.getKeyCode(); if(key == KeyEvent.VK_Q){ System.exit(0);//退出当前的Java进程 } if(gameOver){ if(key==KeyEvent.VK_S){ startAction(); } return; } //如果暂停并且按键是[C]就继续动作 if(pause){//pause = false if(key==KeyEvent.VK_C){ continueAction(); } return; } //否则处理其它按键 switch(key){ case KeyEvent.VK_RIGHT: moveRightAction(); break; case KeyEvent.VK_LEFT: moveLeftAction(); break; case KeyEvent.VK_DOWN: softDropAction() ; break; case KeyEvent.VK_UP: rotateRightAction() ; break; case KeyEvent.VK_Z: rotateLeftAction() ; break; case KeyEvent.VK_SPACE: hardDropAction() ; break; case KeyEvent.VK_P: pauseAction() ; break; } repaint(); } }; this.requestFocus(); this.addKeyListener(l); } public void paint(Graphics g){ g.drawImage(background, 0, 0, null);//使用this 作为观察者 g.translate(15, 15);//平移绘图坐标系 paintTetromino(g);//绘制正在下落的方块 paintWall(g);//画墙 paintNextOne(g); paintScore(g); } public static final int FONT_COLOR = 0x667799; public static final int FONT_SIZE = 0x20; private void paintScore(Graphics g) { Font f = getFont();//获取当前的 面板默认字体 Font font = new Font( f.getName(), Font.BOLD, FONT_SIZE); int x = 290; int y = 162; g.setColor(new Color(FONT_COLOR)); g.setFont(font); String str = "SCORE:"+this.score; g.drawString(str, x, y); y+=56; str = "LINES:"+this.lines; g.drawString(str, x, y); y+=56; str = "[P]Pause"; if(pause){str = "[C]Continue";} if(gameOver){ str = "[S]Start!";} g.drawString(str, x, y); } private void paintNextOne(Graphics g) { Cell[] cells = nextOne.getCells(); for(int i=0; i<cells.length; i++){ Cell c = cells[i]; int x = (c.getCol()+10) * CELL_SIZE-1; int y = (c.getRow()+1) * CELL_SIZE-1; g.drawImage(c.getImage(), x, y, null); } } private void paintTetromino(Graphics g) { Cell[] cells = tetromino.getCells(); for(int i=0; i<cells.length; i++){ Cell c = cells[i]; int x = c.getCol() * CELL_SIZE-1; int y = c.getRow() * CELL_SIZE-1; //g.setColor(new Color(c.getColor())); //g.fillRect(x, y, CELL_SIZE, CELL_SIZE); g.drawImage(c.getImage(), x, y, null); } } //在 Tetris 类 中添加 方法 paintWall private void paintWall(Graphics g){ for(int row=0; row<wall.length; row++){ //迭代每一行, i = 0 1 2 ... 19 Cell[] line = wall[row]; //line.length = 10 for(int col=0; col<line.length; col++){ Cell cell = line[col]; int x = col*CELL_SIZE; int y = row*CELL_SIZE; if(cell==null){ //g.setColor(new Color(0)); //画方形 //g.drawRect(x, y, CELL_SIZE, CELL_SIZE); }else{ g.drawImage(cell.getImage(), x-1, y-1, null); } } } } /** * 在 Tetris(俄罗斯方块) 类中增加方法 * 这个方法的功能是：软下落的动作 控制流程 * 完成功能：如果能够下落就下落，否则就着陆到墙上， * 而新的方块出现并开始落下。 */ public void softDropAction(){ if(tetrominoCanDrop()){ tetromino.softDrop(); }else{ tetrominoLandToWall(); destroyLines();//破坏满的行 checkGameOver(); tetromino = nextOne; nextOne = Tetromino.randomTetromino(); } } /** 销毁已经满的行，并且计分 * 1）迭代每一行 * 2）如果（检查）某行满是格子了 就销毁这行 **/ public void destroyLines(){ int lines = 0; for(int row = 0; row<wall.length; row++){ if(fullCells(row)){ deleteRow(row); lines++; } } // lines = ? this.lines += lines;//0 1 2 3 4 this.score += SCORE_TABLE[lines]; } private static final int[] SCORE_TABLE={0,1,10,30,200}; // 0 1 2 3 4 public boolean fullCells(int row){ Cell[] line = wall[row]; for(int i=0; i<line.length; i++){ if(line[i]==null){//如果有空格式就不是满行 return false; } } return true; } public void deleteRow(int row){ for(int i=row; i>=1; i--){ //复制 [i-1] -> [i] System.arraycopy(wall[i-1], 0, wall[i], 0, COLS); } Arrays.fill(wall[0], null); } /** 检查当前的4格方块能否继续下落 */ public boolean tetrominoCanDrop(){ Cell[] cells = tetromino.getCells(); for(int i = 0; i<cells.length; i++){ Cell cell = cells[i]; int row = cell.getRow(); int col = cell.getCol(); if(row == ROWS-1){return false;}//到底就不能下降了 } for(int i = 0; i<cells.length; i++){ Cell cell = cells[i]; int row = cell.getRow(); int col = cell.getCol(); if(wall[row+1][col] != null){ return false;//下方墙上有方块就不能下降了 } } return true; } /** 4格方块着陆到墙上 */ public void tetrominoLandToWall(){ Cell[] cells = tetromino.getCells(); for(int i=0; i<cells.length; i++){ Cell cell = cells[i]; int row = cell.getRow(); int col = cell.getCol(); wall[row][col] = cell; } } public void moveRightAction(){ tetromino.moveRight(); if(outOfBound() || coincide()){ tetromino.moveLeft(); } } public void moveLeftAction(){ tetromino.moveLeft(); if(outOfBound() || coincide()){ tetromino.moveRight(); } } /** ... */ private boolean outOfBound(){ Cell[] cells = tetromino.getCells(); for(int i=0; i<cells.length; i++){ Cell cell = cells[i]; int col = cell.getCol(); i