Android Open Source - feup-lpoo-android-tower-defense Main Menu Screen

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Back to project page feup-lpoo-android-tower-defense.

License

The source code is released under:

MIT License

Java Source Code

package pt.up.fe.lpoo.towerdefense;
/*w  w  w. j  av a 2  s. c  om*/
import java.util.List;

import android.graphics.Color;
import android.graphics.Paint;

import pt.up.fe.lpoo.framework.Game;
import pt.up.fe.lpoo.framework.Graphics;
import pt.up.fe.lpoo.framework.Screen;
import pt.up.fe.lpoo.framework.Input.TouchEvent;

/**
 * Screen to be used while the game is in the Main Menu
 * @author Joao Marinheiro
 * @author Luis Cleto
 * @see pt.up.fe.lpoo.framework.Screen
 */
public class MainMenuScreen extends Screen {
  private Paint buttonText, titleText, smallWhiteText;
  /** name of the file with the background music for the menu */
  public static final String MENU_THEME = "menutheme.mp3";
  
  private final int enIconXPos = 540;
  private final int enIconYPos = 0;
  private final int ptIconXPos = 620;
  private final int ptIconYPos = 0;
  private final int pirateIconXPos = 700;
  private final int pirateIconYPos = 0;
  
  /**
   * Constructor for the MainMenuScreen. Uses the superclass constructor.
   * 
   * Sets the background music and initializes the Paint objects for drawing fonts
   * @param game Game object corresponding to the screen
   */
  public MainMenuScreen(Game game) {
    super(game);
    
    if(Messages.getCurrentLang() == Messages.LANG_PIRATE)
      MusicPlayer.changeCurrentTheme(Assets.pirateTheme);
    else
      MusicPlayer.changeCurrentTheme(Assets.menuTheme);
    
    buttonText = new Paint();
    buttonText.setTextSize(100);
    buttonText.setTextAlign(Paint.Align.LEFT);
    buttonText.setAntiAlias(true);
    buttonText.setColor(Color.WHITE);
    buttonText.setTypeface(Assets.tf);
    
    titleText = new Paint();
    titleText.setTextSize(110);
    titleText.setTextAlign(Paint.Align.CENTER);
    titleText.setAntiAlias(true);
    titleText.setColor(Color.YELLOW);
    titleText.setTypeface(Assets.tf);
    
    smallWhiteText = new Paint();
    smallWhiteText.setTextSize(30);
    smallWhiteText.setTextAlign(Paint.Align.LEFT);
    smallWhiteText.setAntiAlias(true);
    smallWhiteText.setColor(Color.WHITE);
    smallWhiteText.setTypeface(Assets.tf);
    
  }

  /**
   * Checks if the user has pressed any of the displayed buttons and updates the music player
   * 
   * @param deltaTime elapsed time since the last update
   */
  @Override
  public void update(float deltaTime) {
    MusicPlayer.update(deltaTime);
    List<TouchEvent> touchEvents = game.getInput().getTouchEvents();

    int len = touchEvents.size();
    for (int i = 0; i < len; i++) {
      TouchEvent event = touchEvents.get(i);
      if (event.type == TouchEvent.TOUCH_UP) {

        if (inBounds(event, 60, 340, 240, 90)) {
          Assets.buttonClick.play(MusicPlayer.SOUNDS_VOLUME);
          game.setScreen(new LevelSelectionScreen(game));
        }
        else if (inBounds(event, 500, 340, 240, 90))
        {
          Assets.buttonClick.play(MusicPlayer.SOUNDS_VOLUME);
          game.setScreen(new InstructionsScreen(game));
        }
        else if (inBounds(event, enIconXPos, enIconYPos, Assets.enIcon.getWidth(),Assets.enIcon.getHeight()))
        {
          Messages.setLang(Messages.LANG_EN);
          MusicPlayer.changeCurrentTheme(Assets.menuTheme);
          TowerDefenseGame.saveConfig(game.getFileIO());
        }
        else if (inBounds(event, ptIconXPos, ptIconYPos, Assets.ptIcon.getWidth(),Assets.ptIcon.getHeight()))
        {
          Messages.setLang(Messages.LANG_PT);
          MusicPlayer.changeCurrentTheme(Assets.menuTheme);
          TowerDefenseGame.saveConfig(game.getFileIO());
        }
        else if (inBounds(event, pirateIconXPos, pirateIconYPos,
            Assets.pirateIcon.getWidth(),Assets.pirateIcon.getHeight()))
        {
          Messages.setLang(Messages.LANG_PIRATE);
          MusicPlayer.changeCurrentTheme(Assets.pirateTheme);
          TowerDefenseGame.saveConfig(game.getFileIO());
        }
      }
    }
  }

  private boolean inBounds(TouchEvent event, int x, int y, int width,
      int height) {
    if (event.x > x && event.x < x + width - 1 && event.y > y
        && event.y < y + height - 1)
      return true;
    else
      return false;
  }

  /**
   * Draws all of the screen's elements on using the game's Graphics object
   * 
   * @param deltaTime elapsed time since the last update
   */
  @Override
  public void paint(float deltaTime) {
    Graphics g = game.getGraphics();
    g.drawImage(Assets.menu, 0, 0);
    g.drawString(Messages.getString("MainMenuScreen.0"), 400, 170, titleText); //$NON-NLS-1$
    g.drawString(Messages.getString("MainMenuScreen.4"), 480, 40, smallWhiteText);
    //g.drawRect(60, 340, 240, 90, Color.YELLOW); //values for the inbound detection
    g.drawString(Messages.getString("MainMenuScreen.2"), 60, 420, buttonText); //$NON-NLS-1$
    //g.drawRect(500, 340, 240, 90, Color.YELLOW); //values for the inbound detection
    g.drawString(Messages.getString("MainMenuScreen.3"), 500, 420, buttonText); //$NON-NLS-1$
    
    g.drawImage(Assets.enIcon, enIconXPos, enIconYPos);
    g.drawImage(Assets.ptIcon, ptIconXPos, ptIconYPos);
    g.drawImage(Assets.pirateIcon, pirateIconXPos, pirateIconYPos);
  }

  @Override
  public void pause() {
  }

  @Override
  public void resume() {

  }

  @Override
  public void dispose() {

  }

  /**
   * Exits the application
   */
  @Override
  public void backButton() {
    android.os.Process.killProcess(android.os.Process.myPid());
  }
}

Java Source Code List

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