blackbomb.java

blackberry手机游戏设计DEMO：扫雷小游戏．(基于blackberry8100)

import net.rim.device.api.ui.*;
import net.rim.device.api.ui.component.*;
import net.rim.device.api.ui.container.*;
import net.rim.device.api.system.*;
import net.rim.device.api.i18n.*;
import java.util.Timer;
import javax.microedition.io.file.*;
import javax.microedition.io.Connector;
import BombPkg.Bomb;

public class BlackBomb extends UiApplication
{
    public static void main(String[] args)
    {
        BlackBomb app = new BlackBomb();
        app.enterEventDispatcher();
    }
    public BlackBomb()
    {
        pushScreen(new StartScreen());
    }
}


final class StartScreen extends MainScreen
{
    public static final Bitmap signBitmap =  Bitmap.getBitmapResource("Sign.png");
    public static final Bitmap handBitmap =  Bitmap.getBitmapResource("hand.png");
    public static final Bitmap timeBitmap =  Bitmap.getBitmapResource("time16.png");
    public static final Bitmap startBitmap = Bitmap.getBitmapResource("start.png");
    public static final int _SIDELENOFBMP = 16;
    public static final int _BMPICONNUM = 16;
    class bomb_profile
    {
        public int enterWidth;
        public int enterHeight;       
        public int enterBombNum;
        public bomb_profile(int iw,int ih,int ib)
        {
            enterWidth = iw;
            enterHeight = ih;
            enterBombNum = ib;
        }
    }
    public bomb_profile bp = new bomb_profile(14,14,30);
    class Top_5
    {
        public String name[];
        public int bomb_num[];
        public int score[];
        public Top_5()
        {
            name = new String[5];
            bomb_num = new int[5];
            score = new int[5];
        }
    }
    public Top_5 top5 = new Top_5();
    
    private class startField extends Field implements DrawStyle
    {
        private int fieldWidth, fieldHeight, xCoord, yCoord;
        public startField(int xVal, int yVal)
        {
            super(Field.NON_FOCUSABLE);
            xCoord = xVal;
            yCoord = yVal;
            fieldHeight = Graphics.getScreenHeight();
            fieldWidth = Graphics.getScreenWidth();
        }
        public void setXCoord(int xVal)
        {
            if (xVal != xCoord)
            {
                xCoord = xVal;
                invalidate();
            }
        }
        public int getXCoord(){return xCoord;}
        public void setYCorrd(int yVal)
        {
            if (yVal != yCoord)
            {
                yCoord = yVal;
                invalidate();
            }
            return;
        }
        public int getYCoord()  { return yCoord;  }
        public int getPreferredWidth(){   return fieldWidth;  }
        public int getPreferredHeight() {  return fieldHeight;    }
        public void layout(int width, int height)
        {
            setExtent(getPreferredWidth(),
            getPreferredHeight());
        }
        public void paint(Graphics graphics)
        {
            graphics.drawBitmap(0,0,240,260,startBitmap,0,0);
        }
    }
    
       
    public StartScreen()
    {
        super();

        startField sf = new startField(50,20);
        add(sf);  
        
          
        try 
        {
            javax.microedition.io.file.FileConnection fconn = (javax.microedition.io.file.FileConnection)Connector.open("file:///store/home/user/bbMine.txt",Connector.READ_WRITE);

            // If no exception is thrown, then the URI is valid, but the file may or may not exist.
            if ((!fconn.exists())||(fconn.fileSize()==0))
            {
                fconn.create();  // create the file if it doesn't exist
                java.io.DataOutputStream dataOut = fconn.openDataOutputStream();
                for(int i=0;i<5;i++)
                {
                    top5.name[i] = "NoName";
                    top5.bomb_num[i] = 30;
                    top5.score[i] = 65535;
                    //dataOut.writeChars(top5.name[i]);
                    dataOut.writeInt(top5.bomb_num[i]);
                    dataOut.writeInt(top5.score[i]);
                }
                dataOut.flush();
                dataOut.close();
            }
            else //read and write file
            {
                java.io.DataInputStream dataIn = fconn.openDataInputStream();
                for(int i=0;i<5;i++)
                {
                    //top5.name[i] = dataIn.readChars();
                    top5.bomb_num[i] = dataIn.readInt();
                    top5.score[i] = dataIn.readInt();
                }             
                dataIn.close();
            }
            fconn.close();
            
        }
        catch (java.lang.Exception e) 
        {
            Dialog.alert(e.toString());
        }  
        
          
    }
    private MenuItem _bombMenu = new MenuItem("New Game", 110, 10) 
    {
        public void run() 
        {
            BombScreen _bombScreen = new BombScreen();
            UiApplication.getUiApplication().pushScreen(_bombScreen);
        }
    };
    /*
    private MenuItem _bombSetting = new MenuItem("Setting", 110, 10) 
    {
        public void run() 
        {
            SettingScreen _settingScreen = new SettingScreen();
            UiApplication.getUiApplication().pushScreen(_settingScreen);
        }
    };
    */
    private MenuItem _closeItem = new MenuItem("Close", 200000, 10) 
    {
        public void run()
        {
            onClose();
        }
    };
    private MenuItem _bombAbout = new MenuItem("About", 200000, 10) 
    {
        public void run()
        {
            Dialog.alert("[e-mail]");
        }
    };
    private MenuItem _bombScoreList = new MenuItem("Top Five", 200000, 10) 
    {
        public void run()
        {
            String sc = new String("Time used:\n");
            for(int i=0;i<5;i++)
            {
                sc=sc+top5.score[i]+"\n";
            }
            Dialog.alert(sc);
        }
    };
    //override makeMenu to add the new menu items
    
    protected void makeMenu( Menu menu, int instance )
    {
        menu.add(_bombMenu);
      //  menu.add(_bombSetting);
        menu.add(_bombScoreList);
        menu.add(_bombAbout);
        menu.add(_closeItem);
    }
    
    public boolean onClose()
    {
        System.exit(0);
        return true;
    }
    
    public class BombScreen extends MainScreen
    {
        Bomb bomb = new Bomb(bp.enterWidth,bp.enterHeight,bp.enterBombNum,7,7);

        private int timeLen=0;
        Timer timer;
        private int recordBroken = 0;
        class timerCounter extends java.util.TimerTask
        {
            public void run()
            {
                if(bomb.getProgress()==Bomb._ONGOING) 
                {
                    timeLen++;
                    invalidate();
                }
            }
        }
        
        public void close()// when close the screen, we need to save the score to file.
        {
            
            if(bomb.getProgress() == Bomb._ONGOING)
            {
                if(Dialog.NO ==Dialog.ask(Dialog.D_YES_NO,"Quit?"))
                {
                    return;
                }   
            }
            if((bomb.getProgress() == Bomb._SUCCESSFUL)&&(recordBroken == 1))
            {
                try 
                {
                    javax.microedition.io.file.FileConnection fconn = (javax.microedition.io.file.FileConnection)Connector.open("file:///store/home/user/bbMine.txt",Connector.READ_WRITE);
                    // If no exception is thrown, then the URI is valid, but the file may or may not exist.
                    if (fconn.exists() && fconn.fileSize()!=0)
                    {
                        fconn.truncate(0);
                        //fconn.create();  // create the file if it doesn't exist
                        java.io.DataOutputStream dataOut = fconn.openDataOutputStream();
                        for(int i=0;i<5;i++)
                        {
                            dataOut.writeInt(top5.bomb_num[i]);
                            dataOut.writeInt(top5.score[i]);
                        }
                        dataOut.flush();
                        dataOut.close();
                    }  
                    else
                    {
                        Dialog.alert("Score save failed!");
                    }   
                    fconn.close(); 
                }  
                catch(java.io.IOException e)  
                {
                    Dialog.alert(e.toString());
                }               
            }
            super.close();
        }
        
        public BombScreen()
        {
            timer = new Timer();
            timer.schedule(new timerCounter(),0,1*1000);

            CustomField1 cf = new CustomField1(50,20);
            add(cf);      
            //addTrackwheelListener(this);               
        }    
        /**
        * Invoked when a key is pressed.
        */
              
        public boolean keyChar(char key, int status, int time) 
        {
            switch (key) 
            {
                // ENTER, SPACE, x, and X can be used to place the X (in addition to track wheel click)
                // On some devices, the CONTROL_SELECT key can be used as well.
                case 'd':case 'f':case 'D':case 'F':
                    if(bomb.cursorX > 0) bomb.cursorX--;
                    break;
                case 'j':case'k':case'J':case'K':