community.java

j2me编写的一个在线游戏

/* ------------------------------------------------------------------------- *
          Copyright 2004-2005 Nokia Corporation  All rights reserved.
          Nokia Mobile Phones

          Restricted Rights: Use, duplication, or disclosure by the
          U.S. Government is subject to restrictions as set forth in
          subparagraph (c)(1)(ii) of DFARS 252.227-7013, or in FAR
          52.227-19, or in FAR 52.227-14 Alt. III, as applicable.

          This software is proprietary to and embodies the
          confidential technology of Nokia Possession, use, or copying
          of this software and media is authorized only pursuant to a
          valid written license from Nokia or an authorized
          sublicensor.

          Nokia  - Wireless Software Solutions
 * ------------------------------------------------------------------------- */

package samples.commui;

import com.nokia.sm.net.ItemList;
import com.nokia.sm.net.ServerComm;
import com.nokia.sm.net.SnapEventListener;
import samples.ui.*;

import javax.microedition.lcdui.Canvas;
import javax.microedition.lcdui.Display;
import javax.microedition.lcdui.Image;
import java.util.Random;
import java.util.Vector;

/**
 * Main manager class for MazeRacer sample game functionality.
 * <p>
 * Primary responsiblities include: management of SNAP session
 * and all communication with SNAP servers, including sending 
 * events and intercepting results and errors; management of 
 * the various screens in the app GUI; and storage and management
 * of all screen-independent user and game data.
 */
public class Community implements AsyncCommandListener, SnapEventListener, ButtonListListener, EventListener, Runnable {
    public static Community instance;
    public static final String CHALLENGE_PREFIX = "+++ ChAlLeNgE +++: ";
    public static final String NON_CRITICAL = "non-critical";
    static final int    MAX_NEW_ACCOUNTS_PER_DAY= 5;
    
    private static final Random rnd = new Random();

    static public final Image FADING_BACKGROUND  = ResourceManager.getImage("/fading_background.png");
    static final Image OVERLAY_BACKGROUND = ResourceManager.getImage("/overlay_background.png");
    static final Image SELECTED_SECTION   = ResourceManager.getImage("/selected_section.png");
    static final Image SPLASH_IMG         = ResourceManager.getImage("/device_splash.png");
    
    static final String About_txt 		  = "/about.txt";
    static String Motd_txt 		  			= "/motd.txt";
    static final String Game_Help_txt 	  = "/game_help.txt";
    static final String SM_Help_txt 	  = "/sm_help.txt";
    static final String Operator_Help_txt = "/operator_help.txt";

    static final String SPLASH              = "Splash";
    static final String GAME                = "Game";
    static final String MOTD                = "Message of the day";
    static final String WELCOME				= "Welcome";
    static final String GO_ONLINE           = "go online";
    static final String SINGLE_USER         = "single user game";
    static final String ABOUT				= "about";
    static final String CREATE_ACCOUNT      = "create account";
    static final String DIALOG              = "Dialog";
    static final String CHAT                = "chat messages";
    static final String FRIENDS             = "Friends";
    static final String HOME                = "Home";
    static final String PLAY                = "Play";
    static final String PENDING_GAMESTART   = "Waiting for player";
    static final String RANKING             = "rankings";
    static final String TOP_10              = "Top 10";
    static final String MY_RANKINGS         = "My Rankings";
    static final String STATS               = "Stats";
    static  String HELP                		= "help";
    static final String SM_HELP             = "SNAP Mobile Help";
    static final String GAME_HELP           = "Game Help";
    static final String OPERATOR_HELP       = "Operator Help";
    static final String EMAIL_DOB           = "E-mail & Birthdate";
    static final String USER_PASS           = "Username & Password";
    static final String TERMS               = "Terms";
    static final String SUBMIT_SCORES       = "SubmitScores";

    static final String SELECT              = "select";
    static final String SEND                = "send";
    static final String CANCEL              = "cancel";
    static final String BACK                = "back";
    static final String MAZEEXIT          	= "mazeexit";
    static final String EXIT                = "exit";
    static final String REALLY_EXIT         = "exit!";
    static final String LOGIN               = "login";
    static final String LOGOUT              = "log out";
    static final String REALLY_LOGOUT       = "log out!";
    static final String NEXT                = "next";
    static final String OK                  = "ok";
    static final String YES                 = "yes";
    static final String NO                  = "no";

    static final String RMS_USERNAME        = "userName";
    static final String RMS_PASSWORD        = "passWord";
//    static final String RMS_SAVE_PASSWORD   = "savePass";

    //  GUI data
    private ViewCanvas canvas;
    private MazeRacer mazeRacer;
    private Vector cmdList;
    private BuddyList buddyList;
    private String[] statList;
    private boolean inGame;

    //Snap specific data
    private String webSessionID;
    private String impsSessionID;
    private String snapSessionID;
    private String snapUserID;
    private ServerComm comm;
    private Vector viewList;
    private View motd;
    private MainApp main;
    private String lastError;
    private int lastErrorSeverity;
    private Integer gcid;
    private String operatorId;
    private boolean done;
    private boolean waitingForGame;
    private AsyncCommandListener asyncListener=null;
    private String asyncCommand=null;
    private boolean		inGameReg			= false;
    private boolean		saveLogin			= false;

    // User login/registration info -- save here for later retrieval
    // if login/registration screens are revisited after errors take the
    // user back to the main menu.  (Upon return to the main menu, the
    // registration screens are destroyed, and recreated from scratch
    // if revisited -- so previously entered data must be saved here
    // if it is to be retained.)
    public String       username            = "";
    public String       password            = "";
    public String       password2           = "";
    public String       dateOfBirth         = "";
    public String       emailAddress        = "";
    public int          minAge              = 13;

    /** Returns <code>com.nokia.sm.net.ServerComm</code> instance. */
    public ServerComm getServerComm()       { return comm; }


    protected int       getMinAge()             { return minAge; }
    protected MainApp   getMainApp()            { return main; }

    /**
     * Sets user's SNAP session IDs.
     *
     * @param returnValues an ItemList returned from a SNAP login command.
     */
    public void setLoginInfo(ItemList returnValues)
    {
        if (returnValues == null) return;
        setLoginInfo(
        		returnValues.getString("webSessionID"),
        		returnValues.getString("impsSessionID"),
        		returnValues.getString("snapSessionID"),
        		returnValues.getString("snapUserID")
        	);
    }

    /**
     * Sets user's SNAP session IDs.
     *
     * @param webSessionID
     * @param impsSessionID
     * @param snapSessionID
     * @param snapUserID
     */
    public void setLoginInfo(String webSessionID, String impsSessionID, String snapSessionID, String snapUserID) {
        this.webSessionID = webSessionID;
        this.impsSessionID = impsSessionID;
        this.snapSessionID = snapSessionID;
        this.snapUserID = snapUserID;
    }


    /*
     * =======================================================================
     *  Instance lifecycle methods: static initializer, constructor, pause
     *  resume and exit methods.
     * =======================================================================
     */

    /**
     * Calls static initializers on View and SnapLoginView.
     */

    static void initialize() {
        CommunityView.initialize();
        View.initialize();
        BuddyView.initialize();
        ButtonListView.initialize();
        Chat.initialize();
        Dialog.initialize();
        LoginView.initialize();
        RankingView.initialize();
        TextView.initialize();
    }

    /** Loads SNAP properties from .jad file */
    protected void loadSnapProperties()
    {
        try { minAge 	= Integer.parseInt( main.getProperty("SNAP-Mobile-MinAge")); } catch (Exception e) {}
        String reg 		= main.getProperty("SNAP-Mobile-InGameReg");
        String save 	= main.getProperty("SNAP-Mobile-SaveLogin");
        if (reg  != null) inGameReg = reg.equals ("true");
        if (save != null) saveLogin = save.equals("true");	
    }

    /**
     * Constructor.  Loads settings from .jad file.  Performs network
     * connectivity check if connectivity has not been established in the
     * past.  Then, instantiates and displays LoginView screen.
     *
     * @param main Reference to caller's code, via the <code>MainApp</code>
     *  interface.  This reference is used to return control back to the
     *  calling code once login and/or registration are complete, by means
     *  of the handleEvent() method.
     */
    public Community(MainApp main) {

        this.main = main;

        cmdList = new Vector();
        viewList = new Vector();
        buddyList = new BuddyList();

        gcid = new Integer( 49721);
        username = "";

        View splash = getView(SPLASH);
        splash.setActive(true);

        canvas = new ViewCanvas(splash);
        Display.getDisplay(main.getMIDlet()).setCurrent(canvas);
        canvas.waitForResize();

        mazeRacer = new MazeRacer(this);
        inGame = false;
        waitingForGame = false;
        lastError = null;
        lastErrorSeverity = -1;

        initialize();

        // Note: set to true in order to force initialization of the
        // network connection early, in the ServerComm constructor.
        boolean initializeNetwork = false;

        System.out.println("server url:" + main.getProperty("SNAP-Mobile-Host"));
        System.out.println("server port:" + Integer.parseInt(main.getProperty("SNAP-Mobile-Port")));
        System.out.println("protocol:" + main.getProperty("SNAP-Mobile-Protocol"));
        System.out.println("*** Note:  Set 'Small-Maze' parameter in .jad file to 'true' to play with a smaller (faster) maze.");
        try {
	        comm = new ServerComm(
	                main.getProperty("SNAP-Mobile-Host"),
	                Integer.parseInt(main.getProperty("SNAP-Mobile-Port")),
	                main.getProperty("SNAP-Mobile-Protocol"),
	                Integer.parseInt(main.getProperty("SNAP-Mobile-SKU")),
	                initializeNetwork
	        	);
            comm.addSnapEventListener(this);
//            switchToView(WELCOME);
    	} catch (RuntimeException r) {
            // Check for SecurityExceptions (see if user
            // pressed "no" to the GPRS permissions dialog popup.)
            // If so, tell them to exit app and restart.  Note:
            // ServerComm takes the summary of CheckedExceptions,
            // then rewraps them as RuntimeExceptions before
            // rethrowing, so we need to check for the name of the
            // original exception inside the body of the Runtime
            // Exception.
    		if (r.toString().toLowerCase().indexOf("security")!=-1) {
        		showError(
        				"Unable to connect to network.  You must " +
        				"press 'YES' in the GPRS/Airtime Permissions " +
        				"dialog.  Please exit app and restart.",
        				Community.REALLY_EXIT, Dialog.ALERT
        				);
    		}
    	}

        operatorId = getProperty("SNAP-Mobile-OperatorID");

        int count = Integer.parseInt(getProperty("Stat-Count"));
        statList = new String[count];

        for (int i=0; i<statList.length; i++) {
            statList[i] = getProperty("Stat-" + (i + 1));
        }

        Thread thread = new Thread(this);
        thread.start();

        instance = this;
    }

    public void pause()
    {
    	mazeRacer.pause();
    }

    public void resume()
    {
    	mazeRacer.resume();
    }

    /**
     * Saves username/password if login saving is enabled, and is checked
     * "on" by the user. Then, returns control back to calling code via the
     * <code>handleEvent()</code> method of the
     * <code>com.nokia.sm.miniui.EventHandler</code> interface, which
     * the calling code must implement.
     */
    public void exit() {
        System.out.println("EXITING MIDLET");
        synchronized (this) {
            cmdList.removeAllElements();
            if (isLoggedIn()) {
                ItemList itemList = new ItemList();
                itemList.setItem("cmd", "unifiedLogout");
                itemList.setItem("listener", this);
                executeCmd(itemList);
            }
            comm.removeSnapEventListener(this);
            comm.stop();
            done = true;
        }
        main.exit();
    }

    /*
     * =======================================================================
     *  View management and GUI wrangling responsibilities.
     * =======================================================================
     */

    /**
     * Returns active View.
     *
     * @return View
     */
    public View getView()
    {
    	return canvas.getView();
    }

    /**
     * Returns a particular View by name.  View is created if it does not
     * already exist, or if View caching is turned off.  Requesting View
     * "back" will pop the current View off the View stack, destroy it,
     * and return the previous View.  Requesting View "exit" will cause
     * SnapLogin to exit.
     *
     * @param name Name of the view to return
     */
    View getView(String name) {
        String url;
        View view;
        int i;

        view = null;

        synchronized (viewList) {
            if (viewList.size() > 1 && name.equals(BACK)) {
                viewList.removeElementAt(viewList.size() - 1);
                view = (View)viewList.elementAt(viewList.size() - 1);
                return view;
            }
        }

        view = findView(name);

        if (view != null) return view;