Android Open Source - ssniper-andengine Tutorial Scene

From Project

License

The source code is released under:
Apache License
If you think the Android project ssniper-andengine listed in this page is inappropriate, such as containing malicious code/tools or violating the copyright, please email info at java2s dot com, thanks.
Java Source Code

package com.cladophora.ssniper.scene;
/* w ww. j  a va2 s .co  m*/
import com.cladophora.ssniper.BaseActivity;
import com.cladophora.ssniper.GameUtil;
import com.cladophora.ssniper.R;
import com.cladophora.ssniper.entity.Reticle;
import com.cladophora.ssniper.entity.Rifle;
import com.cladophora.ssniper.entity.SPen;
import org.andengine.engine.camera.Camera;
import org.andengine.engine.camera.hud.HUD;
import org.andengine.engine.handler.timer.ITimerCallback;
import org.andengine.engine.handler.timer.TimerHandler;
import org.andengine.entity.IEntity;
import org.andengine.entity.modifier.*;
import org.andengine.entity.primitive.Rectangle;
import org.andengine.entity.scene.CameraScene;
import org.andengine.entity.scene.IOnSceneTouchListener;
import org.andengine.entity.scene.Scene;
import org.andengine.entity.text.Text;
import org.andengine.input.touch.TouchEvent;
import org.andengine.util.color.Color;

public class TutorialScene extends CameraScene implements IOnSceneTouchListener {

    public static TutorialScene instance;
    public static Text tutorialText;
    public static Rectangle bg;
    public static HUD tutorialHUD;
    public static LoopEntityModifier blinkModifier;
    public static boolean done;

    public TutorialScene(Camera mCamera) {
    super(mCamera);
        instance = this;
        GameScene.inTutorial = true;
        GameScene.userControl = false;
        setBackgroundEnabled(false);
    setOnSceneTouchListener(this);
        Reticle.hide();
        GameScene.pause();
        init();
    }

    public static TutorialScene getSharedInstance () {
        if (instance == null) {
            instance = new TutorialScene(BaseActivity.mCamera);
        }
        return instance;
    }

    public static void init() {
        done = false;
        initializeTutorialText();
        attachTutorialTextToHUD();
        SPen.init();
        initializeTutorialHUD();
        attachTutorialHUDChildren();
        animateSPen();
        registerEnemySortHandler();
    }

    public static void animateSPen () {
        final float pToY = (BaseActivity.CAMERA_HEIGHT * 0.6f) - (SPen.spenSprite.getHeight() / 2);
        final float pToX = BaseActivity.CAMERA_WIDTH * 0.6f;
        SPen.spenSprite.registerEntityModifier(new MoveModifier(1.5f,SPen.spenSprite.getX(), pToX,SPen.spenSprite.getY(), pToY) {
            @Override
            protected void onModifierFinished(IEntity pItem) {
                done = true;
            }
        }
        );
    }

    public static void initializeTutorialText() {
        blinkModifier = new LoopEntityModifier(new SequenceEntityModifier(new FadeOutModifier(1), new FadeInModifier(1)));
        tutorialText = new Text(0,0,BaseActivity.mNotoSansFont,BaseActivity.getSharedInstance().getString(R.string.tutorial), BaseActivity.getSharedInstance().getVertexBufferObjectManager());
        tutorialText.setColor(Color.BLACK);
        tutorialText.registerEntityModifier(blinkModifier);
    }

    public static void attachTutorialTextToHUD() {
        float x0 = (BaseActivity.CAMERA_WIDTH / 2) - ((tutorialText.getWidth() / 2) + 20);
        float y0 = (tutorialText.getHeight() * 2) - ((tutorialText.getHeight() / 2) + 20);

        bg = new Rectangle(x0,y0, tutorialText.getWidth() + 60,tutorialText.getHeight() + 20,BaseActivity.getSharedInstance().getVertexBufferObjectManager());
        bg.setColor(Color.WHITE);
        bg.setAlpha(GameScene.P_ALPHA);

        tutorialText.setPosition((bg.getWidth()/2) - (tutorialText.getWidth()/2),10);
        final LoopEntityModifier blinkRepeatedly = new LoopEntityModifier(new SequenceEntityModifier(new FadeOutModifier(1), new FadeInModifier(1)));
        tutorialText.registerEntityModifier(blinkRepeatedly);
    }

    public static void initializeTutorialHUD() {
        tutorialHUD = new HUD();
        BaseActivity.mCamera.setHUD(tutorialHUD);
    }

    public static void attachTutorialHUDChildren() {
        bg.detachSelf();
        SPen.spenSprite.detachSelf();
        bg.attachChild(tutorialText);
        tutorialHUD.attachChild(bg);
        tutorialHUD.attachChild(SPen.spenSprite);

    }

    @Override
  public boolean onSceneTouchEvent(Scene arg0, TouchEvent arg1) {
        if (!done) { return true; }
        GameScene.tStart = BaseActivity.getSharedInstance().getEngine().getSecondsElapsedTotal() + 6f;
        GameScene.resume();
        GameScene.getSharedInstance().clearChildScene();
        Reticle.show();
        Rifle.getSharedInstance().resetValues();
        attachSPenToHUD();
        autoAimAndFire(3500);
        return false;
  }

    private static void attachSPenToHUD() {
        SPen.setScale(0.5f);
        final float pFromX = BaseActivity.CAMERA_WIDTH * 0.6f;
        final float pFromY = BaseActivity.CAMERA_HEIGHT * 0.6f;
        Reticle.center.setPosition(pFromX,pFromY);
        SPen.spenSprite.setPosition(Reticle.center.getX()-(SPen.spenSprite.getWidthScaled() * 0.1f),Reticle.center.getY()- SPen.spenSprite.getHeightScaled());
    }


    public static void autoAimAndFire(final long delay) {
        GameUtil.getSharedInstance().autoAimAndFireUntilMagEmpty(delay);
    }

    public static void registerEnemySortHandler() {
        GameScene.getSharedInstance().registerUpdateHandler(new TimerHandler(GameScene.CLOCK_RESOLUTION, true, getSortCallback()));
    }

    private static ITimerCallback getSortCallback() {
        return new ITimerCallback() {
            @Override
            public void onTimePassed(final TimerHandler pTimerHandler) {
                GameScene.sortEnemies();
                if (!GameScene.inTutorial) {
                    GameScene.getSharedInstance().clearUpdateHandlers();
                }
            }
        };
    }

}
Java Source Code List
