wordsearch20.java

Source code for j2me game WordSearch

package wordSearch20;
import java.util.*;
import javax.microedition.midlet.*;
import javax.microedition.lcdui.*;

/**
 * This is the main class of the wordSearch game.
 *
 * @author Jeremiah McLeod http://www.xdebugx.net
 */
public class wordSearch20 extends MIDlet implements CommandListener {


   Random myRandom;

  private Command myExitCommand = new Command("Exit", Command.EXIT, 99);

  private Command mySolveCommand = new Command("Solve", Command.SCREEN, 1);

  private Command myNewGameCommand = new Command("New Game", Command.SCREEN, 1);

  private Command myGoCommand = new Command ("Go",Command.SCREEN, 1);

   //* the the canvas that all of the game will be drawn on.
   //*/
  mainCanvas myCanvas;

  /**
   * the thread that advances the animation
   */
  GameThread myGameThread;

  //-----------------------------------------------------
  //    initialization and game state changes

  /**
   * Initialize the canvas and the commands.
   */
  public wordSearch20() {
    myCanvas = new mainCanvas(this);
    myCanvas.addCommand(myExitCommand);
    myCanvas.addCommand(myGoCommand);
    myCanvas.setCommandListener(this);
    myRandom= new Random();
  }

  void setSolveCommand() {
    myCanvas.removeCommand(myNewGameCommand);
    myCanvas.addCommand(mySolveCommand);

  }

  void setNewGameCommand() {
    myCanvas.removeCommand(mySolveCommand);
    myCanvas.addCommand(myNewGameCommand);
  }

  //----------------------------------------------------------------
  //  implementation of MIDlet

  /**
   * Start the application.
   */
  public void startApp() throws MIDletStateChangeException {
    myGameThread = new GameThread(myCanvas);
    myCanvas.start();
    myGameThread.go();


  }

  /**
   * stop and throw out the garbage.
   */
  public void destroyApp(boolean unconditional)
      throws MIDletStateChangeException {
    myGameThread.requestStop();
    myGameThread = null;
    myCanvas = null;
    System.gc();
  }

  public void pauseApp() {

    myGameThread.pause();
  }

  //----------------------------------------------------------------
  //  implementation of CommandListener

  /*
   * Respond to a command issued on the Canvas.
   */
  public void commandAction(Command c, Displayable s) {
    int p,t;

    if(c == mySolveCommand) {
      myCanvas.removeCommand(mySolveCommand);
      myCanvas.addCommand(myNewGameCommand);

  	 	for (p=0;p<10;p++)
	  	 	myCanvas.wordFound[p]=true;

	      } else if(c == myNewGameCommand) {
      myCanvas.removeCommand(myNewGameCommand);
      myCanvas.addCommand(mySolveCommand);

     	myCanvas.newGame ();


    } else if(c == myExitCommand) {
      try {
	destroyApp(false);
	notifyDestroyed();
      } catch (MIDletStateChangeException ex) {
      }
    }
    else if (c==myGoCommand && mainCanvas.myImagesLoaded==true) {
	mainCanvas.go=true;

	myCanvas.removeCommand(myGoCommand);
	myCanvas.addCommand(mySolveCommand);
	}
  }

public int getRandomInt(int upper) {
    int retVal = myRandom.nextInt() % upper;
    if(retVal < 0) {
      retVal += upper;
    }
    return(retVal);
  }


}