gameplay.java~10~

J2ME游戏引擎,直接在JBUILDER2006下运行,不包含需要的SDK和虚拟机

import java.util.Vector;
/**
 * <p>Title: </p>
 * <p>Description: </p>
 * <p>Copyright: Copyright (c) 2003</p>
 * <p>Company: </p>
 * @author not attributable
 * @version 1.0.0
 */

public class GamePlay extends GameFrameBase
{
    //Game State Defining
    final static byte PLAYS_NEXT_LEVEL = 20;
    final static byte PLAYS_COUNT_DOWN = 21;
    final static byte PLAYS_PLAYING = 22;
    final static byte PLAYS_STAGE_CLEARED = 23;
    final static byte PLAYS_BOOM = 24;
    final static byte PLAYS_GAME_OVER = 25;

    //Game map Defining
    final static byte STAGE_DATA[][][] =
        {
            {
            {2, 0, 0, 4, 0},
            {0, 0, 3, 0, 4},
            {1, 0, 2, 0, 0},
            {0, 0, 0, 0, 0}
        }
    };

    //Gaming Consts
    final static byte STAGE_COUNT = 1;
    final static byte BLOCK_SIZE = 24;
    final static byte SMALL_BLOCK_SIZE = 16;
    final static byte MAP_X_LENGTH = 5;
    final static byte MAP_Y_LENGTH = 4;
    final static byte START_POS_X = 4;
    final static byte START_POS_Y = 1;

    //=变量定义=================
    private byte m_i_CarSpeed;

    byte m_Curr_StageData[][];
    int m_i_CurrStage;
    int m_i_CarPosX, m_i_CarPosY, m_i_CarRaw, m_i_CarCol, m_i_CarDirect,
        m_i_StartCountLeft, iTemp;
    //==================================END=

    //=图片资源=================
    private Surface m_Surface_BigRoad = null;
    private Surface m_Surface_BigCar = null;
    private Surface m_Surface_SmallRoad = null;
    private Surface m_Surface_SmallCar = null;
    private Surface m_Surface_Icons = null;
    private Surface m_Surface_Digits = null;
    private Surface m_Surface_Boom = null;
    private Surface m_Surface_TitleNext = null;
    private Surface m_Surface_TitleGameOver = null;
    //==================================END=

    public GamePlay()
    {
        m_vect_SurfacePath = new Vector();
        m_vect_SurfacePath.addElement("/bigroad.png");
        m_vect_SurfacePath.addElement("/bigcar.png");
        m_vect_SurfacePath.addElement("/smallroad.png");
        m_vect_SurfacePath.addElement("/smallcar.png");
        m_vect_SurfacePath.addElement("/icons.png");
        m_vect_SurfacePath.addElement("/digits.png");
        m_vect_SurfacePath.addElement("/boom.png");
        m_vect_SurfacePath.addElement("/title_next.png");
        m_vect_SurfacePath.addElement("/title_gameover.png");

        m_Curr_StageData = new byte[MAP_Y_LENGTH][MAP_X_LENGTH];
    }

    public void Create(GameViewBase view)
    {
        m_View = view;
        m_BackGraphy = m_View.m_g_BackGraphy;

        m_Surface_BigRoad = m_View.nextSurface();
        m_Surface_BigCar = m_View.nextSurface();
        m_Surface_SmallRoad = m_View.nextSurface();
        m_Surface_SmallCar = m_View.nextSurface();
        m_Surface_Icons = m_View.nextSurface();
        m_Surface_Digits = m_View.nextSurface();
        m_Surface_Boom = m_View.nextSurface();
        m_Surface_TitleNext = m_View.nextSurface();
        m_Surface_TitleGameOver = m_View.nextSurface();

    }

    public void Release()
    {
        if(m_View != null)
            m_View.ReleaseAllSurfaces();
    }

    public void NewGame(int iStage)
    {
        m_i_CurrStage = iStage;
        for (int i = 0; i < MAP_Y_LENGTH; i++)
        {
            for (int j = 0; j < MAP_X_LENGTH; j++)
                m_Curr_StageData[i][j] = STAGE_DATA[iStage % STAGE_COUNT][i][j];
        }
        m_i_CarSpeed = (byte) (2 + (iStage / STAGE_COUNT));
        if (m_i_CarSpeed == 5)
            m_i_CarSpeed = 6;
        if (m_i_CarSpeed > 6)
            m_i_CarSpeed = 8;
        m_i_CarPosX = 0;
        m_i_CarPosY = (MAP_Y_LENGTH + 1) * BLOCK_SIZE;
        m_i_CarDirect = 0;
        m_i_StartCountLeft = 5;
        iTemp = 0;
        m_i_FrameState = PLAYS_NEXT_LEVEL;
    }


    public void OnKeyDown(int iScanCode)
    {
        switch (m_i_FrameState)
        {
            case PLAYS_COUNT_DOWN:
            case PLAYS_PLAYING:
                switch (iScanCode)
                {
                    case GameViewBase.KEY_SOFTKEY1:
                    case GameViewBase.KEY_FIRE:
                        for (int i = 0; i < MAP_Y_LENGTH; i++)
                        {
                            for (int j = 0; j < MAP_X_LENGTH; j++)
                            {
                                if (m_Curr_StageData[i][j] > 0)
                                {
                                    m_Curr_StageData[i][j]++;
                                    if (m_Curr_StageData[i][j] > 4)
                                        m_Curr_StageData[i][j] = 1;
                                }
                            }
                        }
                        break;
                }
                break;
        }
    }

    public void OnKeyUp(int iScanCode)
    {

    }

    public void Show()
    {
        switch (m_i_FrameState)
        {
            case PLAYS_NEXT_LEVEL:
                DrawGameBackGround();
                DrawNextScreen();
                m_i_CarPosX += m_i_CarSpeed;
                if (m_i_CarPosX > 4 * BLOCK_SIZE)
                {
                    m_i_FrameState = PLAYS_COUNT_DOWN;
                    m_i_CarPosX = 0;
                }
                break;
            case PLAYS_COUNT_DOWN:
                DrawGameBackGround();
                DrawRoad();
                DrawCar();
                DrawCountDown();
                iTemp++;
                if (iTemp > 15)
                {
                    iTemp = 0;
                    m_i_StartCountLeft--;
                }
                if (m_i_StartCountLeft == 0)
                {
                    iTemp = 0;
                    m_i_FrameState = PLAYS_PLAYING;
                }
                break;
            case PLAYS_PLAYING:
                DrawGameBackGround();
                DrawRoad();
                DrawCar();
                DrawIcons();
                MoveCar();
                break;
            case PLAYS_STAGE_CLEARED:
                DrawGameBackGround();
                DrawRoad();
                DrawIcons();
                iTemp += m_i_CarSpeed;
                m_View.Blt(m_i_CarPosX + START_POS_X,
                           m_i_CarPosY + START_POS_Y - iTemp, BLOCK_SIZE,
                           BLOCK_SIZE, m_i_CarDirect * BLOCK_SIZE, 0,
                           m_Surface_BigCar);
                if (iTemp == BLOCK_SIZE)
                {
                    NewGame(m_i_CurrStage + 1);
                }
                break;
            case PLAYS_BOOM:
                DrawGameBackGround();
                DrawRoad();
                DrawCar();
                DrawIcons();
                m_View.Blt(m_i_CarPosX + START_POS_X - 10,
                           m_i_CarPosY + START_POS_Y - 9, 45, 42, 0, 0,
                           m_Surface_Boom);
                iTemp++;
                if (iTemp > 20)
                {
                    iTemp = 0;
                    m_i_FrameState = PLAYS_GAME_OVER;
                }
                break;
            case PLAYS_GAME_OVER:
                DrawGameBackGround();
                DrawGameOver();
                iTemp++;
                if (iTemp > 20)
                {
                    iTemp = 0;
                    //Release();