package org.andengine.examples;

import org.andengine.engine.camera.Camera;

import org.andengine.engine.options.EngineOptions;

import org.andengine.engine.options.ScreenOrientation;

import org.andengine.engine.options.resolutionpolicy.RatioResolutionPolicy;

import org.andengine.entity.modifier.MoveModifier;

import org.andengine.entity.scene.CameraScene;

import org.andengine.entity.scene.Scene;

import org.andengine.entity.scene.background.Background;

import org.andengine.entity.sprite.Sprite;

import org.andengine.entity.util.FPSLogger;

import org.andengine.opengl.texture.TextureOptions;

import org.andengine.opengl.texture.atlas.bitmap.BitmapTextureAtlas;

import org.andengine.opengl.texture.atlas.bitmap.BitmapTextureAtlasTextureRegionFactory;

import org.andengine.opengl.texture.region.ITextureRegion;

import org.andengine.ui.activity.SimpleBaseGameActivity;

import android.view.KeyEvent;

/**

* (c) 2010 Nicolas Gramlich

* (c) 2011 Zynga

*

* @author Nicolas Gramlich

* @since 11:33:33 - 01.04.2010

*/

public class PauseExample extends SimpleBaseGameActivity {

// ===========================================================

// Constants

// ===========================================================

private static final int CAMERA_WIDTH = 720;

private static final int CAMERA_HEIGHT = 480;

// ===========================================================

// Fields

// ===========================================================

private Camera mCamera;

private BitmapTextureAtlas mBitmapTextureAtlas;

private Scene mMainScene;

private ITextureRegion mFaceTextureRegion;

private ITextureRegion mPausedTextureRegion;

private CameraScene mPauseScene;

// ===========================================================

// Constructors

// ===========================================================

// ===========================================================

// Getter & Setter

// ===========================================================

// ===========================================================

// Methods for/from SuperClass/Interfaces

// ===========================================================

@Override

public EngineOptions onCreateEngineOptions() {

this.mCamera = new Camera(0, 0, CAMERA_WIDTH, CAMERA_HEIGHT);

return new EngineOptions(true, ScreenOrientation.LANDSCAPE_FIXED, new RatioResolutionPolicy(CAMERA_WIDTH, CAMERA_HEIGHT), this.mCamera);

}

@Override

public void onCreateResources() {

BitmapTextureAtlasTextureRegionFactory.setAssetBasePath("gfx/");

this.mBitmapTextureAtlas = new BitmapTextureAtlas(this.getTextureManager(), 256, 128, TextureOptions.BILINEAR);

this.mPausedTextureRegion = BitmapTextureAtlasTextureRegionFactory.createFromAsset(this.mBitmapTextureAtlas, this, "paused.png", 0, 0);

this.mFaceTextureRegion = BitmapTextureAtlasTextureRegionFactory.createFromAsset(this.mBitmapTextureAtlas, this, "face_box_menu.png", 0, 50);

this.mBitmapTextureAtlas.load();

}

@Override

public Scene onCreateScene() {

this.mEngine.registerUpdateHandler(new FPSLogger());

this.mPauseScene = new CameraScene(this.mCamera);

/* Make the 'PAUSED'-label centered on the camera. */

final float centerX = (CAMERA_WIDTH - this.mPausedTextureRegion.getWidth()) / 2;

final float centerY = (CAMERA_HEIGHT - this.mPausedTextureRegion.getHeight()) / 2;

final Sprite pausedSprite = new Sprite(centerX, centerY, this.mPausedTextureRegion, this.getVertexBufferObjectManager());

this.mPauseScene.attachChild(pausedSprite);

/* Makes the paused Game look through. */

this.mPauseScene.setBackgroundEnabled(false);

/* Just a simple */

this.mMainScene = new Scene();

this.mMainScene.setBackground(new Background(0.09804f, 0.6274f, 0.8784f));

final Sprite face = new Sprite(0, 0, this.mFaceTextureRegion, this.getVertexBufferObjectManager());

face.registerEntityModifier(new MoveModifier(30, 0, CAMERA_WIDTH - face.getWidth(), 0, CAMERA_HEIGHT - face.getHeight()));

this.mMainScene.attachChild(face);

return this.mMainScene;

}

@Override

public boolean onKeyDown(final int pKeyCode, final KeyEvent pEvent) {

if(pKeyCode == KeyEvent.KEYCODE_MENU && pEvent.getAction() == KeyEvent.ACTION_DOWN) {

if(this.mEngine.isRunning()) {

this.mMainScene.setChildScene(this.mPauseScene, false, true, true);

this.mEngine.stop();

} else {

this.mMainScene.clearChildScene();

this.mEngine.start();

}

return true;

} else {

return super.onKeyDown(pKeyCode, pEvent);

}

}

// ===========================================================

// Methods

// ===========================================================

// ===========================================================

// Inner and Anonymous Classes

// ===========================================================

}