penguinscreen.java

自己开发的打企鹅小游戏

     * 用来记录并计算得分
     */
    private int Score = 0;
    private int ActualScore = 0;
 /**
     * 每个路标间隔
     */
    private int ScoreGap = 100;

    public int curScore = 0;
    public int highScore = 0;

    /**
     * 存储图片
     */
    private static Image mapImage;
    private static Image menuImage;
    private static Image runImage;
    private static Image uploadImage;

    /**
     * 用户输入
     */
    boolean FireKey = false;
    int RemainSecond = 20;

    /*
     * 网络排名
     */
    private NetData http;
    public static int netScore[] = new int[5];
    public static byte netName[][] = new byte[6][];
    public static int netOrder[] = new int[5];
    public static int netNameLen[] = new int[5];
    public String httpData;

    /*
     * Load网络数据
     */
    private int paintLoadPos = 0;
    private boolean bNetStart = false;
    private boolean bNetStop = false;
    private long netTimeOut = 0;
    private long errorTimeOut = 0;
    private int posInHttpData = -1;
    private static int PreState = MENU;

    /*
     * 各类的 图象 变量赋值
     */
    static {
        try {
            mapImage = Image.createImage("/copyright.png");
            menuImage = Image.createImage("/menu.png");
            runImage = Image.createImage("/run.png");
            uploadImage = Image.createImage("/loading.png");
            for (int i = 0; i < 6; i++) {
                name[i] = new byte[6];
            }
            for (int i = 0; i < 6; i++) {
                netName[i] = new byte[16];
            }

        }
        catch (Exception e) {
            System.out.println(e.getMessage());
        }
    }

    /**Construct the displayable*/
    public PenguinScreen(PenguinMIDlet gameMIDlet) {
  /**
         * 初始化双buffer和声音变量
         */
        try {
            BufferSurface = Image.createImage(178, 208);
            LastBuffer = Image.createImage(74, 58);
            gsprite = LastBuffer.getGraphics();
            ThisBuffer = Image.createImage(80, 56);
            Bg = ThisBuffer.getGraphics();
            pOnce = new MediaList("/logo.ott", "audio/midi");
            pMain = new MediaList("/main.ott", "audio/midi");
            pRecord = new MediaList("/record.ott", "audio/midi");
            pReady = new MediaList("/ready.ott", "audio/midi");
            pJump = new MediaList("/Jump.ott", "audio/midi");
            pKnock = new MediaList("/Knock.ott", "audio/midi");
            pDrop = new MediaList("/Drop.ott", "audio/midi");
            pSlide = new MediaList("/Slide.ott", "audio/midi");
            phut = new MediaList("/phut.ott", "audio/midi");
        }
        catch (Exception e) {

        }

        this.gameMIDlet = gameMIDlet;
  /**
         * 根据图片位置来初始化菜单，菜单机制见文档
         */
        tempMenuNode = new MenuNode[9];
        tempMenuNode[0] = new MenuNode(-1, 176, 5 * 18, 72, 18, INIT);
        tempMenuNode[1] = new MenuNode(-1, 176, 6 * 18, 72, 18, OPTION);
        tempMenuNode[2] = new MenuNode(-1, 176, 7 * 18, 72, 18, MENU);
        tempMenuNode[3] = new MenuNode(-1, 176, 8 * 18, 72, 18, HELP);
        tempMenuNode[4] = new MenuNode(-1, 176, 9 * 18, 72, 18, END);
        tempMenuNode[5] = new MenuNode(-1, 176, 4 * 18, 72, 18, LINK);
        tempMenuNode[6] = new MenuNode(2, 176, 0, 72, 18, LOCAL);
        tempMenuNode[7] = new MenuNode(2, 176, 1 * 18, 72, 18, NET);
        tempMenuNode[8] = new MenuNode(2, 176, 3 * 18, 72, 18, MENU);
        menuArrow = new MenuNode( -1, 149, 208, 83, 24, -1);
        mainMenu = new Menu(tempMenuNode, menuArrow, 55, 120, 1);

        tempMenuNode = new MenuNode[2];
        tempMenuNode[0] = new MenuNode( -1, 258, 168, 28, 14, RUN);
        tempMenuNode[1] = new MenuNode( -1, 258, 182, 28, 14, MENU);
        menuArrow = new MenuNode( -1, 189, 224, 16, 16, -1);
        pauseMenu = new Menu(tempMenuNode, menuArrow, 78, 90, 0);

        tempMenuNode = new MenuNode[2];
        tempMenuNode[0] = new MenuNode( -1, 0, 91, 12, 12, LOCAL);
        tempMenuNode[1] = new MenuNode( -1, 25, 91, 12, 12, SCOREUPLOAD);
        menuArrow = new MenuNode( -1, 52, 91, 27, 18, -1);
        uploadMenu = new Menu(tempMenuNode, menuArrow, 67, 109, 2);
        uploadMenu.MENUITEMCELL = 38;

        //demoAction array
        for (int i = 0; i < 20; i++) {
            demoAction[i] = -1;
        }
        //optionMenu array
        for (int i = 0; i < optionMenu.length; i++) {
            optionMenu[i] = 0;
        }

//		bDemo=true;
        //Load score
        loadRecord();
        if (optionMenu[0] == 0) {
            bDemo = true;
        }
        else {
            bDemo = false;

        }
        if (optionMenu[1] == 0) {
            bSound = true;
        }
        else
        {
            bSound = false;
        }
    }

    /**
     * 产生随机数
     * @param maxvalue 结果最大值
     * @return 大于等于零,小于maxvalue 的随机值
     */
    public static int rand(int maxvalue) {
        return (random.nextInt() << 1 >>> 1) % maxvalue;
    }

    /**
     * 画图
     * @param g 图形设备
     * @param image 图片缓冲
     * @param destX 屏幕坐标
     * @param destY 屏幕坐标
     * @param srcX 图片坐标
     * @param srcY 图片坐标
     * @param width 绘图尺寸
     * @param height 绘图尺寸
     */
    public static void drawImageEx(Graphics g, Image image, int destX,
                                   int destY, int srcX, int srcY, int width,
                                   int height) {
        g.setClip(destX, destY, width, height);
        g.drawImage(image, destX - srcX, destY - srcY, 0);
    }

    //画字符串
    public static void drawStringEx(Graphics g, String str, int destX,
                                    int destY, int width, int height) {

        int strWidth = g.getFont().stringWidth(str);
        int strHeight = g.getFont().getHeight();
        int x = destX + (width - strWidth) / 2;
        int y = destY + (height - strHeight) / 2;
        g.setClip(destX, destY, width, height);
        g.drawString(str, x, y, 0);
    }

    //带裁切的画图
    public static void drawImageClip(Graphics g, Image image, int destX,
                                     int destY, int srcX, int srcY, int width,
                                     int height,
                                     int clipX, int clipY, int clipWidth,
                                     int clipHeight) {
        int clipLeft, clipTop;
        int clipRight, clipBottom;

        clipLeft = destX;
        clipTop = destY;
        clipRight = destX + width;
        clipBottom = destY + height;

        if (clipX > clipLeft)
            clipLeft = clipX;
        if (clipY > clipTop)
            clipTop = clipY;

        if (clipX + clipWidth < clipRight)
            clipRight = clipX + clipWidth;
        if (clipY + clipHeight < clipBottom)
            clipBottom = clipY + clipHeight;

        g.setClip(clipLeft, clipTop, clipRight - clipLeft,
                  clipBottom - clipTop);
        g.drawImage(image, destX - srcX, destY - srcY, 0);
    }

    /**
     * 更新游戏状态，根据状态和上面定义的静态数组来切换所用图片
     * @param void
     */
    public void UpdateState(int newState) {
        int oldStateGroup = -1;
        int nowStateGroup = -1;
        for (int i = 0; i < stateArray.length; i++) {
            for (int j = 0; j < stateArray[i].length; j++) {
                if (state == stateArray[i][j]) {
                    oldStateGroup = i;
                }

                if (newState == stateArray[i][j]) {
                    nowStateGroup = i;
                }
                if ( (oldStateGroup != -1) && (nowStateGroup != -1))break;
            }
            if ( (oldStateGroup != -1) && (nowStateGroup != -1))break;
        }
        if ( (nowStateGroup != -1) && (nowStateGroup != oldStateGroup)) {
            switch (nowStateGroup) {
                case 0:

//                  initMap("/copyright.png");
                    break;
                case 1:
                    initMap(runImage);
                    break;
                case 2:
                    initMap(menuImage);
                    break;
                case 3:
                    initMap(uploadImage);
                    break;
                default:
                    break;
            }
        }

        bStateMapEntry = true;
        bStateStringEntry = true;
       state = newState;
    }
   /**
     * 更新游戏运行中状态
     */
    public void UpdateGameState(int newState) {

        bGameStateMapEntry = true;
        bGameStateStringEntry = true;
        gameState = newState;
    }
    /**
     * 主进程暂时停止
     */
    public void delay(int num) {
        try {
            Thread.currentThread();
            Thread.sleep(num);
        }
        catch (InterruptedException e) {

        }

    }

    /**
     * 根据存在手机上的数据读出高分记录
     */
    public void loadRecord() {
        byte data[] = null;
        int len = -1;
        int MaxRecord = 0;
        // load from record
        try {
        	//penguin 是文件名
            RecordStore rs = RecordStore.openRecordStore("penguin", true);
            if (rs.getNumRecords() >= 1) {
                len = rs.getRecordSize(1);
                data = new byte[len];
                rs.getRecord(1, data, 0);
            }
            rs.closeRecordStore();
        }
        catch (Exception E) {
            System.out.println(E.getMessage());
        }
        // read data
        if (len > 0) {
            ByteArrayInputStream byteInput = new ByteArrayInputStream(data);
            DataInputStream input = new DataInputStream(byteInput);

            // 读出设置里头Demo和音乐的开关
            try {
                optionMenu[0] = input.readInt();
                optionMenu[1] = input.readInt();
            }
            catch (Exception e) {
                System.out.println("read error" + e.getMessage());
            }

           // record list，读出名字和分数以及初始化高分和姓名长度数组
            for (int i = 0; i < recordCnt; i++) {
                try {
                    // input name
                    for (int j = 0; j < 6; j++) {
                        name[i][j] = input.readByte();
                    }
                    // input record
                    newsreel[i] = input.readInt();
                    if (newsreel[i] >= MaxRecord) {
                        MaxRecord = newsreel[i];

                    }
                    namelen[i] = input.readInt();
                }
                catch (Exception E) {
                    System.out.println(E.getMessage());
                }
            }
        }
       //BangBang Record，设置默认高分记录，其中保存在名字中的是字母表中的位置比如1代表'B'，22代表'W'
        if (MaxRecord == 0) {
            name[0][0] = 1;
            name[0][1] = 1;
            name[0][2] = 22;
            newsreel[0] = 200;
            namelen[0] = 3;

        }