package GreedSnake; import java.awt.image.BufferedImageFilter; import java.awt.*; import java.awt.event.KeyListener; import java.util.*; import java.util.logging.SocketHandler; import javax.swing.*; import GreedSnake.GameUI; import java.awt.event.*; import java.io.*; import javax.imageio.*; import java.awt.image.BufferedImage; /** * 游戏的逻辑类 */ class SnakeLogic extends JPanel implements KeyListener, MouseListener { public int waittime = 200; public static int MapMaxX = 50; public static int MapMaxY = 50; public boolean[][] GridBlocked = new boolean[MapMaxX][MapMaxY]; //障碍物标志 public boolean[][] GridState = new boolean[MapMaxX][MapMaxY]; //是否有物体标志 public int initX = 10; public int initY = 10; public int theyX; public int theyY; public int relifeX; public int relifeY; public static boolean isSnakeWall = true; //蛇的身体算障碍物 public static boolean hasSideWall = true; public boolean isTimeout; //游戏暂停 public static Ran random; //随机数类 public SocketHandle soc; public Entity[] entities; public boolean isServer; public int difficulty = 1; //游戏难度系数，控制障碍物的数目等 public Snake my = new Snake(this, initX, initY); public Snake they; //两条蛇 public Wall[] walls; //墙 public JPanel gamePanel; //绘制游戏界面 public Image background; public int timestamp = 0; public bufferedImages buffered; Random ran; SnakeLogic() { ran = new Random(); Calendar cl = Calendar.getInstance(); int second = cl.get(Calendar.SECOND); int min = cl.get(Calendar.MINUTE); buffered = new bufferedImages(); random = new Ran(60*second + min); //设置好随机数种子 for (int i = 0;i < MapMaxX;i++) for (int j = 0;j < MapMaxY;j++) { this.GridBlocked[i][j] = false; this.GridState[i][j] = false; } generateMap(); //先生成墙 entities = new Entity[]{ new Food(this), new Food(this), new Obstacle(this), new Obstacle(this), new Obstacle(this), new Obstacle(this), new Obstacle(this), new Hole(this), new Hole(this), new Hole(this), new Hole(this) }; for (int i = 7;i < 10;i++) { this.entities[i].nextHole = i+1; //System.out.println(this.entities[i].nextHole); } this.entities[10].nextHole = 7; //提前确定出洞 background = PaintBackground(); //this.addKeyListener(this); this.addMouseListener(this); } /** * 生成地图 */ void generateMap() { int num = 3*difficulty; //墙的数目是3*难度系数 this.walls = new Wall[num+4]; Random r = new Random(); for (int i = 0;i < 4;i++) { int x = (r.nextInt() % MapMaxX + MapMaxX) % (MapMaxX/5); int y = (r.nextInt() % MapMaxY + MapMaxY) % (MapMaxY/5); int length = (r.nextInt() % 5 + 5) % 5 + 6; int judgex = i % 2; int judgey = i / 2; int xx, yy; if (judgex==1) xx = x; else xx = MapMaxX-3 - x; if (judgey==1) yy = y; else yy = MapMaxY-3 - y; this.walls[i] = new AngleWall(xx,yy,length); } for (int i = 4;i < num+4;i++) { int kind = i % 2; int x = (r.nextInt() % MapMaxX + MapMaxX) % (MapMaxX*3/5)+MapMaxX/5; int y = (r.nextInt() % MapMaxY + MapMaxY) % (MapMaxY*3/5)+MapMaxY/5; int length = (r.nextInt() % 5 + 5) % 6 + 7; if (kind == 0) this.walls[i] = new HoriWall(x,y,length); else if (kind == 1) this.walls[i] = new VertWall(x,y,length); /* else if (kind == 2) this.walls[i] = new AngleWall(x,y,length); else if (kind == 3) { x = (x % (MapMaxX/3)) + MapMaxX/3; y = (y % (MapMaxY/3)) + MapMaxY/3; length = length * 2; this.walls[i] = new CircleWall(x,y,length); }*/ } for (int i = 0;i < num+4;i++) this.walls[i].Generate(this); // 造墙 } public Image PaintBackground() //设置背景图片 { BufferedImage bg = new BufferedImage((MapMaxX) * Entity.AreaSize, (MapMaxY) * Entity.AreaSize, BufferedImage.TYPE_3BYTE_BGR); Graphics2D g = bg.createGraphics(); try { g.drawImage(ImageIO.read(GameUI.loader.getResourceAsStream("GreedSnake/image/grass.jpg")), 0, 0, bg.getWidth(), bg.getHeight(), this); } catch (Exception e) { e.printStackTrace(); } bg.flush(); return bg; //return new BufferedImageFilter(null); } public void paintComponent(Graphics g) //画背景、障碍、蛇 { g.drawImage(background, 0, 20, (MapMaxX) * Entity.AreaSize, (MapMaxY) * Entity.AreaSize, this); g.setColor(Color.BLACK); //g.drawRect(10, 10, 50, 50); for(Wall w:walls) { w.DrawObject(g); } for (Entity e : entities) //绘制地图物体 { //System.out.println(""+e.locx+" "+e.locy); if (e.kind == 1) e.DrawObject(g, buffered.egg); else if (e.kind == 2) e.DrawObject(g, buffered.stone); else if (e.kind == 3) e.DrawObject(g, buffered.hole); else e.DrawObject(g, null); } //System.out.println(""+my.SnakeShow); if(my.SnakeShow) my.DrawBody(g,1); int scores = 0; int numlife = 0; if (they != null) //绘制玩家 { if(they.SnakeShow) they.DrawBody(g,2); scores = they.score; numlife = they.numLife; } g.setFont(new Font("Calibri", Font.ITALIC + Font.BOLD, 10)); g.setColor(new Color(0, 0, 0, 0.9f)); if (!my.inHole) g.drawString("Your Score: " + my.score+" Your life: "+my.numLife, 5, 15); else g.drawString("Your Score: " + my.score+" Your life: "+my.numLife+" In Hole", 5, 15); if (they!= null && !they.inHole) g.drawString("The Other Player's Score: " + scores+" His life: "+numlife, 230, 15); else g.drawString("The Other Player's Score: " + scores+" His life: "+numlife+" In Hole", 190, 15); if (isTimeout) g.drawString("TIME OUT", 450, 15); else g.drawString("GAME ON", 450, 15); } public void changeWaitTime(int value) { switch(value) { case 1: this.waittime = 1000; break; case 2: this.waittime = 800; break; case 3: this.waittime = 600; break; case 4: this.waittime = 400; break; case 5: this.waittime = 200; break; default: this.waittime = 600; break; } if (!isServer) { try{ soc.SynParam(soc.SYN_ENTITY+value); }catch(java.lang.NullPointerException rr) { } } } public void HandleHit(Snake s) //处理蛇撞到后的地图复原 { for (int i = s.body.size() - 1; i >= 0; i--) { Entity temp = s.body.get(i); int x = temp.locx, y = temp.locy; this.GridState[x][y] = false; this.GridBlocked[x][y] = false; } } public void reLife(Snake snake, int kind) { int relifex; int relifey; int numHole = 0; if (kind == 1) { int temp = ran.nextInt(100); numHole = 7+ temp % 2; } else { int temp = ran.nextInt(100); numHole = 9+ temp % 2; } for (int i = snake.body.size() - 1; i >= 0; i--) { Entity temp = snake.body.get(i); int x = temp.locx, y = temp.locy; this.GridState[x][y] = false; this.GridBlocked[x][y] = false; } //恢复棋盘状态 relifex = entities[numHole].locx; relifey = entities[numHole].locy; int dir = 4; for (int k = 1;k <5;k++) { int dx=0, dy=0; if (k == 1) { dx = 0;dy = 1; } else if (k == 2) { dx = 0;dy = -1; } else if (k == 3) { dx = -1;dy = 0; } else if (k == 4) { dx = 1;dy = 0; } int newX = relifex + dx; int newY = relifey + dy; if (newX<0||newX >= MapMaxX || newY < 0 || newY >=MapMaxY || GridBlocked[newX][newY]) //如果出洞方向会带来死亡，就换方向 continue; dir = k; break; } snake.body = new ArrayList(); snake.body.add(new SnakeEntity(relifex, relifey, dir)); snake.hitWall = false; snake.bodytoadd = 0; snake.GenerateNext(); snake.AddBody(snake.InitLength-1); snake.numLife -= 1; snake.SnakeShow = true; //初始化之后开始显示 } public void Judge() //每次刷新后的结算,判断有没有撞墙 { if (this.isTimeout) { //System.out.println("Judge return by timeout"); return; } timestamp += 1; boolean myHit=false; boolean theyHit=false; if (they!= null && my.nextpart.IsHit(they.nextpart)) { my.reLife(1, this); they.reLife(2, this); } if (my.SnakeShow) { if (my.judgeHit(this)) { if (my.numLife <= 1) { my.numLife = 0; my.SnakeShow = false; myHit = true; this.GameEnd(1); } else { my.SnakeShow = false; myHit = true; new Thread(new Runnable(){ @Override public void run() { try { Thread.sleep(2000); reLife(my, 1); //System.out.println("my snake relife"); }catch(InterruptedException e) { } } }).start(); } } else my.MoveStep(this); } if (they != null) { if (they.SnakeShow) { if (they.judgeHit(this)) { //加上对手的判断 //System.out.println("They hit"); if (they.numLife <= 1) { they.numLife = 0; they.SnakeShow = false; theyHit = true; this.GameEnd(1); } else { they.SnakeShow = false; theyHit = true; new Thread(new Runnable(){ @Override public void run() { try { Thread.sleep(2000); reLife(they, 2); //System.out.println("they snake relife"); }catch(InterruptedException e) { } } }).start(); } } else they.MoveStep(this); } } if (myHit) HandleHit(my); if (theyHit) HandleHit(they); } public void GameEnd(int state) //游戏结束 { } @ Override public void keyPressed(KeyEvent e) //检测键盘事件，上下左右的移动，还没有支持暂停什么的 { //System.out.println("Key Pressed"); switch (e.getKeyCode()) { case KeyEvent.VK_LEFT: case KeyEvent.VK_A: my.SetDirection(3); soc.SynDirection(); break; case KeyEvent.VK_RIGHT: case KeyEvent.VK_D: my.SetDirection(4); soc.SynDirection(); break; case KeyEvent.VK_UP: case KeyEvent.VK_W: my.SetDirection(1); soc.SynDirection(); break; case KeyEvent.VK_DOWN: case KeyEvent.VK_S: my.SetDirection(2); soc.SynDirection();; break; } } @ Override public void keyReleased(KeyEvent e) { switch (e.getKeyCode()) { case KeyEvent.VK_SPACE: if (this.isTimeout) this.isTimeout = false; else this.isTimeout = true; my.isTimeout = this.isTimeout; soc.SynParam(soc.STOP_Game); break; } } @ Override public void keyTyped(KeyEvent e) {} @ Override public void mousePressed(MouseEvent e) { this.requestFocusInWindow(); } @ Override public void mouseClicked (MouseEvent e) { this.requestFocusInWindow(); } @ Override public void mouseEntered(MouseEvent e) { this.requestFocusInWindow(); } @ Override public void mouseExited (MouseEvent e) { } @ Override public void mouseReleased (MouseEvent e) { } }