tankcanvas.java

j2me的坦克大战 元代码 单机版和蓝牙联网版

import java.io.IOException;
import javax.microedition.lcdui.*;
import javax.microedition.lcdui.game.GameCanvas;

public class TankCanvas extends Canvas implements Runnable {

    private int gameSubStatus = 1;
    private int gameState = 1;
    private int gameSelect = 1;
    private int SplashCnt = 0;
    private int screenWidth;
    private int screenHeight;
    private Image imgTankEnemy,  imgTankPlayer,  imgTitle;
    private int fadeColor;
    private int fontHeight;
    private int title_y,  title_h;
    private int title_x;
    private GameMidlet gameMidlet;
    private boolean controlMenu;

    public TankCanvas(GameMidlet gameMidlet) {
        // super(true);
        this.gameMidlet = gameMidlet;
        screenWidth = getWidth();
        screenHeight = getHeight();
        controlMenu = true;
    }

    public void paint(Graphics g) {
        switch (gameState) {
            case 1:
                drawSplash(g);
                break;
            case 2:
                drawAnmi(g);
                break;
            case 3:
                drawMenu(g);
                break;
        }

    }

    private void drawAnmi(Graphics g) {
        try {
            switch (gameSubStatus) {
                case 1:
                    g.setColor(0x000000);
                    g.fillRect(0, 0, screenWidth, screenHeight);
                    imgTankEnemy = Image.createImage("/tank_enemy.png");
                    fadeColor = 0x0;
                    gameSubStatus++;
                    break;
                case 2:
                    g.setColor(fadeColor, fadeColor, fadeColor);
                    // g.setFont(font);
                    fontHeight = g.getFont().getHeight();
                    g.drawString("Scau's Tank  Online", screenWidth / 2, (screenHeight - imgTankEnemy.getHeight() - fontHeight) / 2 - 3, g.TOP | g.HCENTER);
                    if (fadeColor < 0xf0) {
                        fadeColor += 16;
                    } else {
                        gameSubStatus++;
                        title_y = imgTankEnemy.getHeight() / 2;
                        title_h = 0;
                    }
                    break;
                case 3:
                    g.setColor(0xffffff);
                    g.fillRect(0, (screenHeight + fontHeight) / 2 - title_h, screenWidth, title_h * 2);
                    if (title_h < (imgTankEnemy.getHeight() / 2)) {
                        title_h += 4;
                    } else {
                        gameSubStatus++;
                        title_x = -imgTankEnemy.getWidth();
                    }
                    break;
                case 4:
                    g.setColor(0xffffff);
                    g.fillRect(0, (screenHeight - imgTankEnemy.getHeight() + fontHeight) / 2, screenWidth, imgTankEnemy.getHeight());
                    g.drawImage(imgTankEnemy, title_x, (screenHeight - imgTankEnemy.getHeight() + fontHeight) / 2, g.TOP | g.LEFT);
                    if (title_x < 0) {
                        title_x += 15;
                    } else {
                        gameSubStatus++;
                        imgTankPlayer = Image.createImage("/tank_player.png");
                        title_x = screenWidth + imgTankPlayer.getWidth();
                    }
                    break;
                case 5:
                    g.setColor(0xffffff);
                    g.fillRect(0, (screenHeight - imgTankEnemy.getHeight() + fontHeight) / 2, screenWidth, imgTankPlayer.getHeight());
                    g.drawImage(imgTankEnemy, 0, (screenHeight - imgTankEnemy.getHeight() + fontHeight) / 2, g.TOP | g.LEFT);
                    g.drawImage(imgTankPlayer, title_x, (screenHeight - imgTankPlayer.getHeight() + fontHeight) / 2, g.TOP | g.LEFT);
                    if (title_x >= (screenWidth - imgTankPlayer.getWidth())) {
                        title_x -= 30;
                    } else {
                        gameSubStatus++;
                        g.setColor(0x00);
                        g.fillRect(0, 0, screenWidth, (screenHeight - imgTankPlayer.getHeight() + fontHeight) / 2 - 1);
                    }
                    break;
                case 6:

                    g.setColor(fadeColor, fadeColor, fadeColor);
                    // g.setFont(font);
                    g.drawString("Welcome To Here", screenWidth / 2, (screenHeight - imgTankPlayer.getHeight() - fontHeight) / 2 - 3, g.TOP | g.HCENTER);
                    if (fadeColor > 0) {
                        fadeColor -= 12;
                    } else {
                        title_h = 0;
                        gameSubStatus++;
                    }
                    break;
                case 7:
                    imgTankEnemy = null;
                    imgTankPlayer = null;

                    gameSubStatus = 1;
                    gameState = 3;
                default:
                    break;
            }
        } catch (IOException ex) {
            ex.printStackTrace();
        }
    }

    private void drawMenu(Graphics g) {
        switch (gameSubStatus) {
            case 1:
                g.setColor(0x0);
                g.fillRect(0, 0, screenWidth, screenHeight);
                try {
                    imgTitle = Image.createImage("/title.png");
                } catch (Exception e) {
                }

                gameSubStatus++;
                title_y = imgTitle.getHeight() / 2;
                title_h = 0;
                break;
            case 2:
                g.setColor(0x0);
                g.fillRect(0, 0, screenWidth, screenHeight);
                g.setColor(0xffffff);
                g.fillRect(0, (screenHeight - imgTitle.getHeight()) / 6 + title_y,
                        (screenWidth - imgTitle.getWidth()) / 2, title_h);
                g.fillRect((screenWidth + imgTitle.getWidth()) / 2,
                        (screenHeight - imgTitle.getHeight()) / 6 + title_y,
                        (screenWidth - imgTitle.getWidth()) / 2, title_h);
                g.translate((screenWidth - imgTitle.getWidth()) / 2,
                        (screenHeight - imgTitle.getHeight()) / 6);
                g.setClip(0, title_y, imgTitle.getWidth(), title_h);
                g.drawImage(imgTitle, 0, 0, g.TOP | g.LEFT);
                if (title_h < imgTitle.getHeight()) {
                    title_y -= 2;
                    title_h += 4;
                } else {
                    gameSubStatus++;
                }
                break;
            case 3:
                g.setColor(0x0);
                g.fillRect(0, 0, screenWidth, screenHeight);
                g.setColor(0xffffff);
                g.fillRect(0, (screenHeight - imgTitle.getHeight()) / 6 + title_y,
                        (screenWidth - imgTitle.getWidth()) / 2, title_h);
                g.fillRect((screenWidth + imgTitle.getWidth()) / 2,
                        (screenHeight - imgTitle.getHeight()) / 6 + title_y,
                        (screenWidth - imgTitle.getWidth()) / 2, title_h);
                g.drawImage(imgTitle, (screenWidth - imgTitle.getWidth()) / 2,
                        (screenHeight - imgTitle.getHeight()) / 6, g.TOP | g.LEFT);
                g.setColor(0x00, 0x00, 0x00);
                g.fillRect(screenWidth / 2 - 50, (screenHeight -
                        imgTitle.getHeight()) / 3 + imgTitle.getHeight(), 100,
                        fontHeight * 3);
                // g.setFont(font);
                switch (gameSelect) {
                    case 1:
                        g.setColor(0xfe, 0x3f, 0x00);
                        g.drawString("Start", screenWidth / 2, (screenHeight -
                                imgTitle.getHeight()) / 3 + imgTitle.getHeight(), g.TOP |
                                g.HCENTER);
                        g.setColor(0x00, 0xfe, 0xfe);
                        g.drawString("Setting", screenWidth / 2, (screenHeight -
                                imgTitle.getHeight()) / 3 + imgTitle.getHeight() +
                                fontHeight, g.TOP | g.HCENTER);
                        g.drawString("About", screenWidth / 2, (screenHeight -
                                imgTitle.getHeight()) / 3 + imgTitle.getHeight() + 2 *
                                fontHeight, g.TOP | g.HCENTER);
                        g.drawString("Online", screenWidth / 2, (screenHeight -
                                imgTitle.getHeight()) / 3 + imgTitle.getHeight() + 3 *
                                fontHeight, g.TOP | g.HCENTER);
                        g.drawString("OnlineVS", screenWidth / 2, (screenHeight -
                                imgTitle.getHeight()) / 3 + imgTitle.getHeight() + 4 *
                                fontHeight, g.TOP | g.HCENTER);
                        g.drawString("Exit", screenWidth / 2, (screenHeight -
                                imgTitle.getHeight()) / 3 + imgTitle.getHeight() + 5 *
                                fontHeight, g.TOP | g.HCENTER);
                        break;
                    case 2:
                        g.setColor(0x00, 0xfe, 0xfe);
                        g.drawString("Start", screenWidth / 2, (screenHeight -
                                imgTitle.getHeight()) / 3 + imgTitle.getHeight(), g.TOP |
                                g.HCENTER);
                        g.setColor(0xfe, 0x3f, 0x00);
                        g.drawString("Setting", screenWidth / 2, (screenHeight -
                                imgTitle.getHeight()) / 3 + imgTitle.getHeight() +
                                fontHeight, g.TOP | g.HCENTER);
                        g.setColor(0x00, 0xfe, 0xfe);
                        g.drawString("About", screenWidth / 2, (screenHeight -
                                imgTitle.getHeight()) / 3 + imgTitle.getHeight() + 2 *
                                fontHeight, g.TOP | g.HCENTER);
                        g.drawString("Online", screenWidth / 2, (screenHeight -
                                imgTitle.getHeight()) / 3 + imgTitle.getHeight() + 3 *
                                fontHeight, g.TOP | g.HCENTER);