Android Open Source - FooTD Game Logic

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License

The source code is released under:

GNU General Public License

Java Source Code

package org.android.footd;
/*from  www. j a  v a  2s  . c  om*/
import org.anddev.andengine.engine.Engine;
import org.anddev.andengine.engine.camera.ZoomCamera;
import org.anddev.andengine.engine.options.EngineOptions;
import org.anddev.andengine.engine.options.EngineOptions.ScreenOrientation;
import org.anddev.andengine.engine.options.resolutionpolicy.RatioResolutionPolicy;
import org.anddev.andengine.entity.scene.Scene;
import org.anddev.andengine.entity.scene.Scene.IOnSceneTouchListener;
import org.anddev.andengine.entity.util.FPSLogger;
import org.anddev.andengine.extension.input.touch.controller.MultiTouch;
import org.anddev.andengine.extension.input.touch.controller.MultiTouchController;
import org.anddev.andengine.extension.input.touch.detector.PinchZoomDetector;
import org.anddev.andengine.extension.input.touch.detector.PinchZoomDetector.IPinchZoomDetectorListener;
import org.anddev.andengine.extension.input.touch.exception.MultiTouchException;
import org.anddev.andengine.input.touch.TouchEvent;
import org.anddev.andengine.input.touch.detector.ScrollDetector;
import org.anddev.andengine.input.touch.detector.ScrollDetector.IScrollDetectorListener;
import org.anddev.andengine.input.touch.detector.SurfaceScrollDetector;
import org.anddev.andengine.opengl.texture.atlas.bitmap.BitmapTextureAtlasTextureRegionFactory;
import org.anddev.andengine.ui.activity.BaseGameActivity;

import android.graphics.Point;
import android.widget.Toast;

public class GameLogic extends BaseGameActivity implements IOnSceneTouchListener, IScrollDetectorListener, IPinchZoomDetectorListener {

  private static final int CAMERA_WIDTH = 800;
  private static final int CAMERA_HEIGHT = 480;

  private Scene scene;
  private ZoomCamera zoomCamera;
  private Level level;
  
  //mutitouch stuff
  private SurfaceScrollDetector scrollDetector;
  private PinchZoomDetector pinchZoomDetector;
  private float pinchZoomStartedCameraZoomFactor;
  
  @Override
  public Engine onLoadEngine() {    
    zoomCamera = new ZoomCamera(0, 0, CAMERA_WIDTH, CAMERA_HEIGHT);
    final Engine engine = new Engine(new EngineOptions(true, ScreenOrientation.LANDSCAPE, new RatioResolutionPolicy(CAMERA_WIDTH, CAMERA_HEIGHT), zoomCamera));
    
    try {
      if(MultiTouch.isSupported(this)) {
        engine.setTouchController(new MultiTouchController());
      } else {
//        Toast.makeText(this, "Sorry your device does NOT support MultiTouch!\n\n(No PinchZoom is possible!)", Toast.LENGTH_LONG).show();
      }
    } catch (final MultiTouchException e) {
      Toast.makeText(this, "Sorry your Android Version does NOT support MultiTouch!\n\n(No PinchZoom is possible!)", Toast.LENGTH_LONG).show();
    }
    
    return engine;
  }

  @Override
  public void onLoadResources() {
    
    BitmapTextureAtlasTextureRegionFactory.setAssetBasePath("gfx/");
    
    level = Level.createTestLevel(this, mEngine);
    
  }

  @Override
  public Scene onLoadScene() {
    mEngine.registerUpdateHandler(new FPSLogger());

    scene = new Scene();
    level.init(scene);
    
    level.addTower(new Tower(new Point(3,6), level.towerTypes.get("Flame Tower")), scene);
    level.addTower(new Tower(new Point(7,2), level.towerTypes.get("Cannon Tower")), scene);
    
    // TOUCH STUFF
    scrollDetector = new SurfaceScrollDetector(this);
    if(MultiTouch.isSupportedByAndroidVersion()) {
      try {
        pinchZoomDetector = new PinchZoomDetector(this);
      } catch (final MultiTouchException e) {
        pinchZoomDetector = null;
      }
    } else {
      pinchZoomDetector = null;
    }

    scene.setOnSceneTouchListener(this);
    scene.setTouchAreaBindingEnabled(true);    
    
    
    return scene;
  }

  @Override
  public void onLoadComplete() {
    // TODO Auto-generated method stub
  }

  void cycle(){
  }
  
  //MULTITOUCH STUFF
  
  
  @Override
  public void onScroll(final ScrollDetector pScollDetector, final TouchEvent pTouchEvent, final float pDistanceX, final float pDistanceY) {
    final float zoomFactor = zoomCamera.getZoomFactor();
    zoomCamera.offsetCenter(-pDistanceX / zoomFactor, -pDistanceY / zoomFactor);
  }

  @Override
  public void onPinchZoomStarted(final PinchZoomDetector pPinchZoomDetector, final TouchEvent pTouchEvent) {
    pinchZoomStartedCameraZoomFactor = zoomCamera.getZoomFactor();
  }

  @Override
  public void onPinchZoom(final PinchZoomDetector pPinchZoomDetector, final TouchEvent pTouchEvent, final float pZoomFactor) {
    zoomCamera.setZoomFactor(pinchZoomStartedCameraZoomFactor * pZoomFactor);
  }

  @Override
  public void onPinchZoomFinished(final PinchZoomDetector pPinchZoomDetector, final TouchEvent pTouchEvent, final float pZoomFactor) {
    zoomCamera.setZoomFactor(pinchZoomStartedCameraZoomFactor * pZoomFactor);
  }


  @Override
  public boolean onSceneTouchEvent(final Scene pScene, final TouchEvent pSceneTouchEvent) {
    if(pinchZoomDetector != null) {
      pinchZoomDetector.onTouchEvent(pSceneTouchEvent);

      if(pinchZoomDetector.isZooming()) {
        scrollDetector.setEnabled(false);
      } else {
        if(pSceneTouchEvent.isActionDown()) {
          scrollDetector.setEnabled(true);
        }
        scrollDetector.onTouchEvent(pSceneTouchEvent);
      }
    } else {
      scrollDetector.onTouchEvent(pSceneTouchEvent);
    }

    return true;
  }}

Java Source Code List

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