galaxywarcanvas.java

经典的宇宙大战游戏代码（坦克大战）

                g.setColor(0x00FFFF00);
            switch(menuID) {
            case 0:
                info = "Sound";
                break;
            case 1:
                if (isSoundOn)
                    info = "ON";
                else
                    info = "OFF";
                break;
            case 2:
                info = "Vibration";
                break;
            case 3:
                if (isVibration)
                    info = "ON";
                else
                    info = "OFF";
                break;
            case 4:
                info = "Auto Upload";
                break;
            case 5:
                if (isAutoUpload)
                    info = "ON";
                else
                    info = "OFF";
                break;
            }
            if (menuID >= OPTION_NUM) continue;
            infoWidth = getStringWidth(info);
            startX = (width - infoWidth) >> 1;
            startY = panel_up.getHeight() + SPACING2
                + (font.getHeight() + SPACING) * i;
            g.drawString(info,startX,startY,g.LEFT | g.TOP);
        }
        drawHintArrow(g,OPTION_NUM);
    }

    private void drawHelp(Graphics g) {
        int menuID,infoWidth;
        String info = "";
        int startX,startY;
        //panel的尺寸必须于屏幕实际尺寸相符
        g.drawImage(panel_up, 0, 0, g.TOP | g.LEFT);
        g.setColor(0x00FFFF00);
        for (int i=0;i<showedNum;i++) {
            menuID = menu[i];
            switch(menuID) {
            case 0:
                info = "Help :";
                break;
            case 1:
                info = "5 = Fire";
                break;
            case 2:
                info = "2 = Move Up";
                break;
            case 3:
                info = "8 = Move Down";
                break;
            case 4:
                info = "4 = Move Left";
                break;
            case 5:
                info = "6 = Move Right";
                break;
            }
            if (menuID > HELP_NUM) continue;
            infoWidth = getStringWidth(info);
            startX = (width - infoWidth) >> 1;
            startY = panel_up.getHeight() + SPACING2
                + (font.getHeight() + SPACING) * i;
            g.drawString(info,startX,startY,g.LEFT | g.TOP);
        }
        drawHintArrow(g,HELP_NUM);
    }

    private void drawGameOver(Graphics g) {
        int infoWidth,startX,startY;
        String info;
        g.drawImage(panel_up, 0, 0, g.TOP | g.LEFT);
        g.setColor(0x00FFFF00);
        info = "Game Over";
        infoWidth = getStringWidth(info);
        startX = (width - infoWidth) >> 1;
        startY = panel_up.getHeight()
            + ((height - panel_up.getHeight()
            - (font.getHeight() << 1) - SPACING) >> 1);
        g.drawString(info,startX,startY,g.LEFT | g.TOP);
        if (frameCounter >= MIDDLE) return;
        g.setColor(0x00ff0000);
        info = "Press Any Key";
        infoWidth = getStringWidth(info);
        startX = (width - infoWidth) >> 1;
        startY = panel_up.getHeight()
            + ((height - panel_up.getHeight()
            - (font.getHeight() << 1) - SPACING) >> 1)
            + font.getHeight() + SPACING;
        g.drawString(info,startX,startY,g.LEFT | g.TOP);
    }

    private void drawAbout(Graphics g) {
        int menuID,infoWidth;
        String info = "";
        int startX,startY;
        //panel的尺寸必须于屏幕实际尺寸相符
        g.drawImage(panel_up, 0, 0, g.TOP | g.LEFT);
        g.setColor(0x00FFFF00);
        for (int i=0;i<showedNum;i++) {
            menuID = menu[i];
            switch(menuID) {
            case 0:
                info = "About ：";
                break;
            case 1:
                info = "Powered by";
                break;
            case 2:
                info = "GameisLive";
                break;
            case 3:
                info = "Version : 1.0";
                break;
            case 4:
                info = "Producer : Pacess";
                break;
            case 5:
                info = "Programming : Prince";
                break;
            case 6:
                info = "Art Design : Man";
                break;
            case 7:
                info = "Music : Sam";
                break;
            case 8:
                info = "www.iilcorp.com";
                break;
            }
            if (menuID > ABOUT_NUM) continue;
            infoWidth = getStringWidth(info);
            startX = (width - infoWidth) >> 1;
            startY = panel_up.getHeight() + SPACING2
                + (font.getHeight() + SPACING) * i;
            g.drawString(info,startX,startY,g.LEFT | g.TOP);
        }
        drawHintArrow(g,ABOUT_NUM);
    }

    private void drawReport(Graphics g) {
        int infoWidth;
        int startX,startY;
        String info;
        Tank p = player[0];
        g.drawImage(panel_up, 0, 0, g.TOP | g.LEFT);
        g.setColor(0x00FFFF00);
        info = "Level " + (round + 1);
        infoWidth = getStringWidth(info);
        startX = (width - infoWidth) >> 1;
        startY = panel_up.getHeight() + SPACING2;
            //+ (font.getHeight() + SPACING) * i;
        g.drawString(info,startX,startY,g.LEFT | g.TOP);
        if (gameState == 2)
            info = "Well Done!";
        else {
            if (gameState == 1)
                info = "You have winned!";
            else
                info = "Failed!";
        }
        infoWidth = getStringWidth(info);
        startX = (width - infoWidth) >> 1;
        startY = panel_up.getHeight() + SPACING2
            + font.getHeight() + SPACING;
        g.drawString(info,startX,startY,g.LEFT | g.TOP);
        info = "Score : " + p.score;
        infoWidth = getStringWidth(info);
        startX = (width - infoWidth) >> 1;
        startY = panel_up.getHeight() + SPACING2
            + (font.getHeight() + SPACING) * 2;
        g.drawString(info,startX,startY,g.LEFT | g.TOP);
    }

    private void drawHintArrow(Graphics g,int itemNum) {
        int startX,startY;
        int startID,endID;
        int start;
        boolean isStart,isEnd;
        if (mode == MODE_MENU)
            start = startMenu;
        else
            start = 0;
        startID = menu[0];
        endID = menu[showedNum -1];
        if (startID == start && endID == itemNum - 1) return;
        if (startID > start)
            isStart = false;
        else
            isStart = true;
        if (endID < itemNum - 1)
            isEnd = false;
        else
            isEnd = true;
        startX = (width - hint.getWidth()) >> 1;
        startY = height - 2 - hint.getHeight();
        if (!isStart && isEnd) {
            g.setClip(startX,startY,hint.getWidth(),hint.getHeight() >> 1);
        }
        else if (isStart && !isEnd) {
            g.setClip(startX,startY + (hint.getHeight() >> 1)
                ,hint.getWidth(),hint.getHeight() >> 1);
        }
        g.drawImage(hint,startX,startY,g.LEFT | g.TOP);
        g.setClip(0,0,width,height);
    }

    private void updateMenu(int jumpNum) {
        if (currentMenu > menu[showedNum-1])
            for (int i = 0;i<showedNum;i++) {
                menu[i] += jumpNum;
            }
        if (currentMenu < menu[0]) {
            for (int i = 0;i<showedNum;i++) {
                 menu[i] -=jumpNum;
             }
        }
    }

    private void processPause() {
        switch(currentMenu) {
        case 0:
            restartGame();
            break;
        case 1:
            showOption();
            break;
        case 2:
            showHelp();
            break;
        case 3:
            showMainMenu();
            break;
        }
    }

    private void processMenu() {
        stopSound();
        switch(currentMenu) {
        case 0:
            continueGame();
            break;
        case 1:
            newGame();
            break;
        case 2:
            showHighScore();
            break;
        case 3:
            //showScoreUpload();
            showInternetRank();
            break;
        case 4:
            showOption();
            break;
        case 5:
            showHelp();
            break;
        case 6:
            showAbout();
            break;
        case 7:
            exitGame();
            break;
        }
    }

    private void processOption() {
        switch(currentMenu) {
        case 1:
            isSoundOn = !isSoundOn;
            if (isSoundOn)
                playSound("/hit.mid", "audio/midi", 1);
            updateSetting();
            break;
        case 3:
            isVibration = !isVibration;
            vibrate();
            updateSetting();
            break;
        case 5:
            isAutoUpload = !isAutoUpload;
            updateSetting();
            //if (isAutoUpload) {
               // isFromOption = true;
                //setAutoUpload();
           // }
            break;
        }
    }

    private void initMap() {
        InputStream is = null;
        DataInputStream dis = null;
        String fileName = "/data/m" + round + ".dat";
        is = getClass().getResourceAsStream(fileName);
        dis = new DataInputStream(is);
        byte c;//get the char from map.dat
        int x = 0;
        int y = 0;
        int id = 0;
        try {
            while(true) {
                c = dis.readByte();
                if (id == 0) {
                    mapWidth = c;
                    id ++;
                    continue;
                }
                if (id == 1) {
                    mapHeight = c;
                    map = new byte[mapHeight][mapWidth];
                    mapPWidth = mapWidth * IMAGESIZE;
                    mapPHeight = mapHeight * IMAGESIZE;
                    id ++;
                    continue;
                }
                map[y][x] = c;
                if (x == mapWidth-1) {
                    if (y==mapHeight-1) break;
                    x = -1;
                    y ++;//new line
                }
                x ++;
            }
            dis.close();
            //is.close();
        }catch(Exception ex){
            System.out.println("init map: " + ex);
        }
    }

    private void initRound(){
        InputStream is = null;
        DataInputStream dis = null;
        String fileName = "/data/r" + round + ".dat";
        is = getClass().getResourceAsStream(fileName);
        dis = new DataInputStream(is);
        byte c;//get the char from roundX.dat
        int x = 0;
        int y = 0;
        int id = 0;
        int totalProp = 9;//change when item was changed.
        try {
            while(true) {
                c = dis.readByte();
                if (id == 0) {
                    maxPlayer = c;
                    player = new Tank[maxPlayer];
                    for (int i = 0; i < maxPlayer; i++) {
                        player[i] = new Tank();
                    }
                    id ++;
                    continue;
                }
                switch(x) {
                case 0:
                    player[y].x = c * IMAGESIZE;
                    break;
                case 1:
                    player[y].y = c * IMAGESIZE;
                    break;
                case 2:
                    player[y].rivalry = c;
                    break;
                case 3:
                    player[y].type = c;
                    break;
                case 4:
                    player[y].img = c;