gamecanvas.java

j2me游戏代码

// Decompiled by Jad v1.5.7g. Copyright 2000 Pavel Kouznetsov.
// Jad home page: http://www.geocities.com/SiliconValley/Bridge/8617/jad.html
// Decompiler options: packimports(3) fieldsfirst ansi 

import com.nokia.mid.ui.*;
import java.io.IOException;
import java.util.Random;
import java.util.TimerTask;
import javax.microedition.lcdui.*;

public class GameCanvas extends FullCanvas
{

    GameMain gameMain;
    Random random;
    Graphics gx;
    Image gun1;
    Image gun2;
    Image gun3;
    Image shadow;
    Image sun;
    Image tombstone;
    DirectGraphics dg;
    DeviceControl dc;
    public final NokiaGameEffects gameEffects;
    static short GAME_INI = 0;
    static short GAME_READY = 1;
    static short GAME_NUMBER = 2;
    static short GAME_FAIL = 3;
    static short GAME_SHOW = 4;
    static short GAME_SUC = 5;
    static short GAME_OVER = 7;
    static short GAME_PLAY = 8;
    boolean oneTimeFlag;
    boolean bAKiller[][];
    boolean bAMap[][];
    boolean bMove;
    boolean bPaint;
    boolean bTarget;
    boolean bMap;
    boolean bBullet;
    int nTarget;
    int nX;
    int nY;
    int nTX;
    int nTY;
    int nGame;
    int nLevel;
    int nWindow;
    int nKiller;
    int nChar;
    int nChoose;
    int nTime;
    int nScore;
    int nGun;
    int nShoot;
    int nBullet;
    int nPlus;

    public GameCanvas(GameMain gamemain)
    {
        random = new Random();
        gameMain = gamemain;
        oneTimeFlag = true;
        nTX = 23;
        nTY = 96;
        gameEffects = new NokiaGameEffects(gameMain);
        try
        {
            gun1 = Image.createImage("/img/gun_hk.png");
            gun2 = Image.createImage("/img/gun_psg.png");
            gun3 = Image.createImage("/img/gun_us.png");
        }
        catch(IOException ioexception) { }
    }

    protected void showNotify()
    {
    }

    protected void keyPressed(int i)
    {
        if(nGame == GAME_INI)
        {
            if(i == -1 || i == 50)
            {
                if(nLevel == 0)
                    nLevel = 3;
                else
                    nLevel--;
            } else
            if(i == -2 || i == 56)
            {
                if(nLevel == 3)
                    nLevel = 0;
                else
                    nLevel++;
            } else
            if(i == -3 || i == 52)
            {
                if(nGun == 0)
                    nGun = 2;
                else
                    nGun--;
            } else
            if(i == -4 || i == 54)
            {
                if(nGun == 2)
                    nGun = 0;
                else
                    nGun++;
            } else
            if(i == 53)
            {
                gameMain.gameTimer.count = 0;
                if(nLevel == 0)
                {
                    nTime = 90;
                    nWindow = 5;
                } else
                if(nLevel == 1)
                {
                    nTime = 90;
                    nWindow = 5;
                } else
                if(nLevel == 2)
                {
                    nTime = 150;
                    nWindow = 7;
                } else
                if(nLevel == 3)
                {
                    nTime = 210;
                    nWindow = 9;
                }
                if(nLevel == 0)
                {
                    nKiller = 1;
                    nX = nY = 2;
                    bAMap = new boolean[5][5];
                    bAKiller = new boolean[5][5];
                } else
                {
                    nKiller = nWindow;
                    nX = nY = nWindow / 2;
                    bAMap = new boolean[nWindow][nWindow];
                    bAKiller = new boolean[nWindow][nWindow];
                }
                if(nGun == 0)
                {
                    nPlus = 4;
                    nBullet = 10;
                } else
                if(nGun == 1)
                {
                    nPlus = 3;
                    nBullet = 20;
                } else
                if(nGun == 2)
                {
                    nPlus = 6;
                    nBullet = 5;
                }
                gun1 = gun2 = gun3 = null;
                gameMain.gameImg.load();
                setKiller();
                nGame = GAME_SHOW;
            }
            repaint();
        } else
        if(nGame == GAME_PLAY)
        {
            if(i == 50 || i == -1)
            {
                gameEffects.eachSound(4);
                if(bAMap[nX][nY] && bAKiller[nX][nY])
                    setOneKiller();
                if(nY > 0)
                {
                    bMove = true;
                    nY--;
                }
                nShoot = 0;
                nTY = 96;
                nTX = 23;
            } else
            if(i == 56 || i == -2)
            {
                gameEffects.eachSound(4);
                if(bAMap[nX][nY] && bAKiller[nX][nY])
                    setOneKiller();
                if(nY < nWindow - 1)
                {
                    bMove = true;
                    nY++;
                }
                nShoot = 0;
                nTY = 96;
                nTX = 23;
            } else
            if(i == 52 || i == -3)
            {
                gameEffects.eachSound(4);
                if(bAMap[nX][nY] && bAKiller[nX][nY])
                    setOneKiller();
                if(nX > 0)
                {
                    bMove = true;
                    nX--;
                }
                nShoot = 0;
                nTY = 96;
                nTX = 23;
            } else
            if(i == 54 || i == -4)
            {
                gameEffects.eachSound(4);
                if(bAMap[nX][nY] && bAKiller[nX][nY])
                    setOneKiller();
                if(nX < nWindow - 1)
                {
                    bMove = true;
                    nX++;
                }
                nShoot = 0;
                nTY = 96;
                nTX = 23;
            } else
            if(i == 48 && !bAMap[nX][nY])
            {
                bAMap[nX][nY] = true;
                gameMain.gameTimer.count = 0;
                gameEffects.eachSound(12);
                if(bAKiller[nX][nY])
                {
                    nTarget = random.nextInt() % 3;
                    if(nTarget < 0)
                        nTarget = -nTarget;
                    nChar = random.nextInt() % 3;
                    if(nChar < 0)
                        nChar = -nChar;
                } else
                if(random.nextInt() % 2 == 0)
                {
                    nTarget = random.nextInt() % 3;
                    if(nTarget < 0)
                        nTarget = -nTarget;
                    nChar = random.nextInt() % 3;
                    if(nChar < 0)
                        nChar = -nChar;
                    nChar += 3;
                    if(random.nextInt() % 2 == 0)
                        bBullet = true;
                }
            } else
            if(i == 53)
                if(nShoot == 0)
                    nShoot = 1;
                else
                if(nShoot == 1 && bAMap[nX][nY])
                {
                    gameEffects.eachSound(1);
                    if(bAKiller[nX][nY])
                    {
                        if((58 - nTY) * (58 - nTY) + ((34 + nTarget * 30) - nTX) * ((34 + nTarget * 30) - nTX) <= 64)
                        {
                            bTarget = true;
                            nShoot = 2;
                        } else
                        {
                            nShoot = 0;
                            nTY = 96;
                            nTX = 23;
                        }
                    } else
                    if(bBullet && nTY < 89 && nTY > 71 && nTX > 26 + nTarget * 30 && nTX < 42 + nTarget * 30)
                    {
                        nBullet += 5;
                        bTarget = true;
                    } else
                    if(nTY < 95 && nTY > 35 && nTX > 11 + nTarget * 30 && nTX < 49 + nTarget * 30)
                    {
                        bBullet = false;
                        bTarget = true;
                    }
                    nBullet--;
                }
            repaint();
            if(i == -7)
            {
                if(gameMain.gameFlag == 4)
                    gameMain.gameFlag = 0;
                else
                    gameMain.gameFlag = 4;
                repaint();
            } else
            if(i == -6 && gameMain.gameFlag != 4)
            {
                gameMain.resumeFlag = true;
                gameMain.gameFlag = 2;
                if(gameMain.titleCanvas == null)
                    gameMain.titleCanvas = new TitleCanvas(gameMain);
                gameMain.display.setCurrent(gameMain.titleCanvas.menuList);
            }
        } else
        if(nGame == GAME_SUC || nGame == GAME_FAIL)
        {
            if(i == 53)
            {
                if(nGame == GAME_SUC)
                    nScore = nScore + nTime * nWindow;
                gameMain.totalScore = nScore;
                if(gameMain.scoreBoard == null)
                    gameMain.scoreBoard = new ScoreBoard(gameMain);
                gameMain.rank = gameMain.scoreCal();
                gameMain.scoreBoard.rank = gameMain.rank;
                nScore = 0;
                gameMain.gameTimer.cancel();
                gameMain.gameTimer = null;
                gameMain.gameImg = null;
                gameMain.gameCanvas = null;
                gameMain.resumeFlag = false;
                gameMain.gameFlag = 2;
                gameMain.display.setCurrent(gameMain.scoreBoard);
            }
            repaint();
        }
        if(i == 42)
            if(bMap)
                bMap = false;
            else
                bMap = true;
    }

    public void paint(Graphics g)
    {
        bPaint = false;
        if(oneTimeFlag)
        {
            gx = g;
            oneTimeFlag = false;
            dg = DirectUtils.getDirectGraphics(g);
        }
        if(gameMain.gameFlag == 4)
        {
            gx.setColor(249, 185, 15);
            gx.fillRect(44, 45, 40, 20);
            gx.setFont(Font.getFont(0, 0, 8));
            gx.setColor(30, 30, 200);
            gx.drawString("PAUSE", 64, 50, 0x10 | 0x1);
        } else
        {
            gx.setFont(Font.getFont(0, 0, 8));
            if(nGame == GAME_INI)
                drawIni();
            else
            if(nGame == GAME_SHOW)
                drawShow();
            else
            if(nGame == GAME_READY)
            {
                drawBG();