/*************************************************************************/
/*  Godot.java                                                           */
/*************************************************************************/
/*                       This file is part of:                           */
/*                           GODOT ENGINE                                */
/*                      https://godotengine.org                          */
/*************************************************************************/
/* Copyright (c) 2007-2018 Juan Linietsky, Ariel Manzur.                 */
/* Copyright (c) 2014-2018 Godot Engine contributors (cf. AUTHORS.md)    */
/*                                                                       */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the       */
/* "Software"), to deal in the Software without restriction, including   */
/* without limitation the rights to use, copy, modify, merge, publish,   */
/* distribute, sublicense, and/or sell copies of the Software, and to    */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions:                                             */
/*                                                                       */
/* The above copyright notice and this permission notice shall be        */
/* included in all copies or substantial portions of the Software.       */
/*                                                                       */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
/*************************************************************************/

package org.godotengine.godot;

import android.R;
import android.app.Activity;
import android.os.Bundle;
import android.view.MotionEvent;
import android.view.View;
import android.widget.Button;
import android.widget.ProgressBar;
import android.widget.RelativeLayout;
import android.widget.LinearLayout;
import android.widget.TextView;
import android.view.ViewGroup.LayoutParams;
import android.app.*;
import android.content.*;
import android.content.SharedPreferences.Editor;
import android.view.*;
import android.view.inputmethod.InputMethodManager;
import android.os.*;
import android.util.Log;
import android.graphics.*;
import android.text.method.*;
import android.text.*;
import android.media.*;
import android.hardware.*;
import android.content.*;
import android.content.pm.PackageManager.NameNotFoundException;
import android.net.Uri;
import android.media.MediaPlayer;

import java.lang.reflect.Method;
import java.util.List;
import java.util.ArrayList;

import org.godotengine.godot.payments.PaymentsManager;

import java.io.IOException;

import android.provider.Settings.Secure;
import android.widget.FrameLayout;

import org.godotengine.godot.input.*;

import java.io.InputStream;
import javax.microedition.khronos.opengles.GL10;
import java.security.MessageDigest;
import java.io.File;
import java.io.FileInputStream;
import java.util.LinkedList;

import com.google.android.vending.expansion.downloader.Constants;
import com.google.android.vending.expansion.downloader.DownloadProgressInfo;
import com.google.android.vending.expansion.downloader.DownloaderClientMarshaller;
import com.google.android.vending.expansion.downloader.DownloaderServiceMarshaller;
import com.google.android.vending.expansion.downloader.Helpers;
import com.google.android.vending.expansion.downloader.IDownloaderClient;
import com.google.android.vending.expansion.downloader.IDownloaderService;
import com.google.android.vending.expansion.downloader.IStub;

import android.os.Bundle;
import android.os.Messenger;
import android.os.SystemClock;

public class Godot extends Activity implements SensorEventListener, IDownloaderClient {

	static final int MAX_SINGLETONS = 64;
	private IStub mDownloaderClientStub;
	private IDownloaderService mRemoteService;
	private TextView mStatusText;
	private TextView mProgressFraction;
	private TextView mProgressPercent;
	private TextView mAverageSpeed;
	private TextView mTimeRemaining;
	private ProgressBar mPB;

	private View mDashboard;
	private View mCellMessage;

	private Button mPauseButton;
	private Button mWiFiSettingsButton;

	private boolean use_32_bits = false;
	private boolean use_immersive = false;
	private boolean mStatePaused;
	private int mState;
	private boolean keep_screen_on = true;

	static private Intent mCurrentIntent;

	@Override
	public void onNewIntent(Intent intent) {
		mCurrentIntent = intent;
	}

	static public Intent getCurrentIntent() {
		return mCurrentIntent;
	}

	private void setState(int newState) {
		if (mState != newState) {
			mState = newState;
			mStatusText.setText(Helpers.getDownloaderStringResourceIDFromState(newState));
		}
	}

	private void setButtonPausedState(boolean paused) {
		mStatePaused = paused;
		int stringResourceID = paused ? com.godot.game.R.string.text_button_resume :
										com.godot.game.R.string.text_button_pause;
		mPauseButton.setText(stringResourceID);
	}

	static public class SingletonBase {

		protected void registerClass(String p_name, String[] p_methods) {

			GodotLib.singleton(p_name, this);

			Class clazz = getClass();
			Method[] methods = clazz.getDeclaredMethods();
			for (Method method : methods) {
				boolean found = false;
				Log.d("XXX", "METHOD: %s\n" + method.getName());

				for (String s : p_methods) {
					Log.d("XXX", "METHOD CMP WITH: %s\n" + s);
					if (s.equals(method.getName())) {
						found = true;
						Log.d("XXX", "METHOD CMP VALID");
						break;
					}
				}
				if (!found)
					continue;

				Log.d("XXX", "METHOD FOUND: %s\n" + method.getName());

				List<String> ptr = new ArrayList<String>();

				Class[] paramTypes = method.getParameterTypes();
				for (Class c : paramTypes) {
					ptr.add(c.getName());
				}

				String[] pt = new String[ptr.size()];
				ptr.toArray(pt);

				GodotLib.method(p_name, method.getName(), method.getReturnType().getName(), pt);
			}

			Godot.singletons[Godot.singleton_count++] = this;
		}

		protected void onMainActivityResult(int requestCode, int resultCode, Intent data) {
		}

		protected void onMainPause() {}
		protected void onMainResume() {}
		protected void onMainDestroy() {}
		protected boolean onMainBackPressed() { return false; }

		protected void onGLDrawFrame(GL10 gl) {}
		protected void onGLSurfaceChanged(GL10 gl, int width, int height) {} // singletons will always miss first onGLSurfaceChanged call
		//protected void onGLSurfaceCreated(GL10 gl, EGLConfig config) {} // singletons won't be ready until first GodotLib.step()

		public void registerMethods() {}
	}

	/*
	protected List<SingletonBase> singletons = new ArrayList<SingletonBase>();
	protected void instanceSingleton(SingletonBase s) {

		s.registerMethods();
		singletons.add(s);
	}
	*/

	private String[] command_line;
	private boolean use_apk_expansion;

	public GodotView mView;
	private boolean godot_initialized = false;

	private SensorManager mSensorManager;
	private Sensor mAccelerometer;
	private Sensor mGravity;
	private Sensor mMagnetometer;
	private Sensor mGyroscope;

	public FrameLayout layout;
	public RelativeLayout adLayout;

	static public GodotIO io;

	public static void setWindowTitle(String title) {
		//setTitle(title);
	}

	static SingletonBase singletons[] = new SingletonBase[MAX_SINGLETONS];
	static int singleton_count = 0;

	public interface ResultCallback {
		public void callback(int requestCode, int resultCode, Intent data);
	}
	public ResultCallback result_callback;

	private PaymentsManager mPaymentsManager = null;

	@Override
	protected void onActivityResult(int requestCode, int resultCode, Intent data) {
		if (requestCode == PaymentsManager.REQUEST_CODE_FOR_PURCHASE) {
			mPaymentsManager.processPurchaseResponse(resultCode, data);
		} else if (result_callback != null) {
			result_callback.callback(requestCode, resultCode, data);
			result_callback = null;
		};

		for (int i = 0; i < singleton_count; i++) {

			singletons[i].onMainActivityResult(requestCode, resultCode, data);
		}
	};

	public void onVideoInit(boolean use_gl2) {

		//mView = new GodotView(getApplication(),io,use_gl2);
		//setContentView(mView);

		layout = new FrameLayout(this);
		layout.setLayoutParams(new LayoutParams(LayoutParams.FILL_PARENT, LayoutParams.FILL_PARENT));
		setContentView(layout);

		// GodotEditText layout
		GodotEditText edittext = new GodotEditText(this);
		edittext.setLayoutParams(new ViewGroup.LayoutParams(LayoutParams.FILL_PARENT, LayoutParams.WRAP_CONTENT));
		// ...add to FrameLayout
		layout.addView(edittext);

		mView = new GodotView(getApplication(), io, use_gl2, use_32_bits, this);
		layout.addView(mView, new LayoutParams(LayoutParams.FILL_PARENT, LayoutParams.FILL_PARENT));
		edittext.setView(mView);
		io.setEdit(edittext);

		final Godot godot = this;
		mView.getViewTreeObserver().addOnGlobalLayoutListener(new ViewTreeObserver.OnGlobalLayoutListener() {
			@Override
			public void onGlobalLayout() {
				Point fullSize = new Point();
				godot.getWindowManager().getDefaultDisplay().getSize(fullSize);
				Rect gameSize = new Rect();
				godot.mView.getWindowVisibleDisplayFrame(gameSize);

				final int keyboardHeight = fullSize.y - gameSize.bottom;
				Log.d("GODOT", "setVirtualKeyboardHeight: " + keyboardHeight);
				GodotLib.setVirtualKeyboardHeight(keyboardHeight);
			}
		});

		// Ad layout
		adLayout = new RelativeLayout(this);
		adLayout.setLayoutParams(new LayoutParams(LayoutParams.FILL_PARENT, LayoutParams.FILL_PARENT));
		layout.addView(adLayout);

		final String[] current_command_line = command_line;
		final GodotView view = mView;
		mView.queueEvent(new Runnable() {
			@Override
			public void run() {
				GodotLib.setup(current_command_line);
				runOnUiThread(new Runnable() {
					@Override
					public void run() {
						view.setKeepScreenOn("True".equals(GodotLib.getGlobal("display/driver/keep_screen_on")));
					}
				});
			}
		});
	}

	public void setKeepScreenOn(final boolean p_enabled) {
		keep_screen_on = p_enabled;
		if (mView != null) {
			runOnUiThread(new Runnable() {
				@Override
				public void run() {
					mView.setKeepScreenOn(p_enabled);
				}
			});
		}
	}

	public void alert(final String message, final String title) {
		runOnUiThread(new Runnable() {
			@Override
			public void run() {
				AlertDialog.Builder builder = new AlertDialog.Builder(getInstance());
				builder.setMessage(message).setTitle(title);
				builder.setPositiveButton(
						"OK",
						new DialogInterface.OnClickListener() {
							public void onClick(DialogInterface dialog, int id) {
								dialog.cancel();
							}
						});
				AlertDialog dialog = builder.create();
				dialog.show();
			}
		});
	}

	private static Godot _self;

	public static Godot getInstance() {
		return Godot._self;
	}

	private String[] getCommandLine() {
		InputStream is;
		try {
			is = getAssets().open("_cl_");
			byte[] len = new byte[4];
			int r = is.read(len);
			if (r < 4) {
				Log.d("XXX", "**ERROR** Wrong cmdline length.\n");
				Log.d("GODOT", "**ERROR** Wrong cmdline length.\n");
				return new String[0];
			}
			int argc = ((int)(len[3] & 0xFF) << 24) | ((int)(len[2] & 0xFF) << 16) | ((int)(len[1] & 0xFF) << 8) | ((int)(len[0] & 0xFF));
			String[] cmdline = new String[argc];

			for (int i = 0; i < argc; i++) {
				r = is.read(len);
				if (r < 4) {

					Log.d("GODOT", "**ERROR** Wrong cmdline param length.\n");
					return new String[0];
				}
				int strlen = ((int)(len[3] & 0xFF) << 24) | ((int)(len[2] & 0xFF) << 16) | ((int)(len[1] & 0xFF) << 8) | ((int)(len[0] & 0xFF));
				if (strlen > 65535) {
					Log.d("GODOT", "**ERROR** Wrong command len\n");
					return new String[0];
				}
				byte[] arg = new byte[strlen];
				r = is.read(arg);
				if (r == strlen) {
					cmdline[i] = new String(arg, "UTF-8");
				}
			}
			return cmdline;
		} catch (Exception e) {
			e.printStackTrace();
			Log.d("GODOT", "**ERROR** Exception " + e.getClass().getName() + ":" + e.getMessage());
			return new String[0];
		}
	}

	String expansion_pack_path;

	private void initializeGodot() {

		if (expansion_pack_path != null) {

			String[] new_cmdline;
			int cll = 0;
			if (command_line != null) {
				Log.d("GODOT", "initializeGodot: command_line: is not null");
				new_cmdline = new String[command_line.length + 2];
				cll = command_line.length;
				for (int i = 0; i < command_line.length; i++) {
					new_cmdline[i] = command_line[i];
				}
			} else {
				Log.d("GODOT", "initializeGodot: command_line: is null");
				new_cmdline = new String[2];
			}

			new_cmdline[cll] = "--main_pack";
			new_cmdline[cll + 1] = expansion_pack_path;
			command_line = new_cmdline;
		}

		io = new GodotIO(this);
		io.unique_id = Secure.getString(getContentResolver(), Secure.ANDROID_ID);
		GodotLib.io = io;
		Log.d("GODOT", "command_line is null? " + ((command_line == null) ? "yes" : "no"));
		/*if(command_line != null){
		    Log.d("GODOT", "Command Line:");
		    for(int w=0;w <command_line.length;w++){
		        Log.d("GODOT","   " + command_line[w]);
		    }
		}*/
		mSensorManager = (SensorManager)getSystemService(Context.SENSOR_SERVICE);
		mAccelerometer = mSensorManager.getDefaultSensor(Sensor.TYPE_ACCELEROMETER);
		mSensorManager.registerListener(this, mAccelerometer, SensorManager.SENSOR_DELAY_GAME);
		mGravity = mSensorManager.getDefaultSensor(Sensor.TYPE_GRAVITY);
		mSensorManager.registerListener(this, mGravity, SensorManager.SENSOR_DELAY_GAME);
		mMagnetometer = mSensorManager.getDefaultSensor(Sensor.TYPE_MAGNETIC_FIELD);
		mSensorManager.registerListener(this, mMagnetometer, SensorManager.SENSOR_DELAY_GAME);
		mGyroscope = mSensorManager.getDefaultSensor(Sensor.TYPE_GYROSCOPE);
		mSensorManager.registerListener(this, mGyroscope, SensorManager.SENSOR_DELAY_GAME);

		GodotLib.initialize(this, io.needsReloadHooks(), getAssets(), use_apk_expansion);

		result_callback = null;

		mPaymentsManager = PaymentsManager.createManager(this).initService();

		godot_initialized = true;
	}

	@Override
	public void onServiceConnected(Messenger m) {
		mRemoteService = DownloaderServiceMarshaller.CreateProxy(m);
		mRemoteService.onClientUpdated(mDownloaderClientStub.getMessenger());
	}

	@Override
	protected void onCreate(Bundle icicle) {

		Log.d("GODOT", "** GODOT ACTIVITY CREATED HERE ***\n");

		super.onCreate(icicle);
		_self = this;
		Window window = getWindow();
		//window.addFlags(WindowManager.LayoutParams.FLAG_TURN_SCREEN_ON | WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
		window.addFlags(WindowManager.LayoutParams.FLAG_TURN_SCREEN_ON);

		//check for apk expansion API
		if (true) {
			boolean md5mismatch = false;
			command_line = getCommandLine();
			String main_pack_md5 = null;
			String main_pack_key = null;

			List<String> new_args = new LinkedList<String>();

			for (int i = 0; i < command_line.length; i++) {

				boolean has_extra = i < command_line.length - 1;
				if (command_line[i].equals("--use_depth_32")) {
					use_32_bits = true;
				} else if (command_line[i].equals("--use_immersive")) {
					use_immersive = true;
					if (Build.VERSION.SDK_INT >= 19.0) { // check if the application runs on an android 4.4+
						window.getDecorView().setSystemUiVisibility(
								View.SYSTEM_UI_FLAG_LAYOUT_STABLE |
								View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION |
								View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN |
								View.SYSTEM_UI_FLAG_HIDE_NAVIGATION | // hide nav bar
								View.SYSTEM_UI_FLAG_FULLSCREEN | // hide status bar
								View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY);

						UiChangeListener();
					}
				} else if (command_line[i].equals("--use_apk_expansion")) {
					use_apk_expansion = true;
				} else if (has_extra && command_line[i].equals("--apk_expansion_md5")) {
					main_pack_md5 = command_line[i + 1];
					i++;
				} else if (has_extra && command_line[i].equals("--apk_expansion_key")) {
					main_pack_key = command_line[i + 1];
					SharedPreferences prefs = getSharedPreferences("app_data_keys", MODE_PRIVATE);
					Editor editor = prefs.edit();
					editor.putString("store_public_key", main_pack_key);

					editor.commit();
					i++;
				} else if (command_line[i].trim().length() != 0) {
					new_args.add(command_line[i]);
				}
			}

			if (new_args.isEmpty()) {
				command_line = null;
			} else {

				command_line = new_args.toArray(new String[new_args.size()]);
			}
			if (use_apk_expansion && main_pack_md5 != null && main_pack_key != null) {
				//check that environment is ok!
				if (!Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)) {
					Log.d("GODOT", "**ERROR! No media mounted!");
					//show popup and die
				}

				// Build the full path to the app's expansion files
				try {
					expansion_pack_path = Helpers.getSaveFilePath(getApplicationContext());
					expansion_pack_path += "/main." + getPackageManager().getPackageInfo(getPackageName(), 0).versionCode + "." + this.getPackageName() + ".obb";
				} catch (Exception e) {
					e.printStackTrace();
				}

				File f = new File(expansion_pack_path);

				boolean pack_valid = true;
				Log.d("GODOT", "**PACK** - Path " + expansion_pack_path);

				if (!f.exists()) {

					pack_valid = false;
					Log.d("GODOT", "**PACK** - File does not exist");

				} else if (obbIsCorrupted(expansion_pack_path, main_pack_md5)) {
					Log.d("GODOT", "**PACK** - Expansion pack (obb) is corrupted");
					pack_valid = false;
					try {
						f.delete();
					} catch (Exception e) {
						Log.d("GODOT", "**PACK** - Error deleting corrupted expansion pack (obb)");
					}
				}

				if (!pack_valid) {
					Log.d("GODOT", "Pack Invalid, try re-downloading.");

					Intent notifierIntent = new Intent(this, this.getClass());
					notifierIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK |
											Intent.FLAG_ACTIVITY_CLEAR_TOP);

					PendingIntent pendingIntent = PendingIntent.getActivity(this, 0,
							notifierIntent, PendingIntent.FLAG_UPDATE_CURRENT);

					int startResult;
					try {
						Log.d("GODOT", "INITIALIZING DOWNLOAD");
						startResult = DownloaderClientMarshaller.startDownloadServiceIfRequired(
								getApplicationContext(),
								pendingIntent,
								GodotDownloaderService.class);
						Log.d("GODOT", "DOWNLOAD SERVICE FINISHED:" + startResult);

						if (startResult != DownloaderClientMarshaller.NO_DOWNLOAD_REQUIRED) {
							Log.d("GODOT", "DOWNLOAD REQUIRED");
							// This is where you do set up to display the download
							// progress (next step)
							mDownloaderClientStub = DownloaderClientMarshaller.CreateStub(this,
									GodotDownloaderService.class);

							setContentView(com.godot.game.R.layout.downloading_expansion);
							mPB = (ProgressBar)findViewById(com.godot.game.R.id.progressBar);
							mStatusText = (TextView)findViewById(com.godot.game.R.id.statusText);
							mProgressFraction = (TextView)findViewById(com.godot.game.R.id.progressAsFraction);
							mProgressPercent = (TextView)findViewById(com.godot.game.R.id.progressAsPercentage);
							mAverageSpeed = (TextView)findViewById(com.godot.game.R.id.progressAverageSpeed);
							mTimeRemaining = (TextView)findViewById(com.godot.game.R.id.progressTimeRemaining);
							mDashboard = findViewById(com.godot.game.R.id.downloaderDashboard);
							mCellMessage = findViewById(com.godot.game.R.id.approveCellular);
							mPauseButton = (Button)findViewById(com.godot.game.R.id.pauseButton);
							mWiFiSettingsButton = (Button)findViewById(com.godot.game.R.id.wifiSettingsButton);

							return;
						} else {
							Log.d("GODOT", "NO DOWNLOAD REQUIRED");
						}
					} catch (NameNotFoundException e) {
						// TODO Auto-generated catch block
						Log.d("GODOT", "Error downloading expansion package:" + e.getMessage());
					}
				}
			}
		}

		mCurrentIntent = getIntent();

		initializeGodot();

		//instanceSingleton( new GodotFacebook(this) );
	}

	@Override
	protected void onDestroy() {

		if (mPaymentsManager != null) mPaymentsManager.destroy();
		for (int i = 0; i < singleton_count; i++) {
			singletons[i].onMainDestroy();
		}
		super.onDestroy();
	}

	@Override
	protected void onPause() {
		super.onPause();
		if (!godot_initialized) {
			if (null != mDownloaderClientStub) {
				mDownloaderClientStub.disconnect(this);
			}
			return;
		}
		mView.onPause();
		mView.queueEvent(new Runnable() {
			@Override
			public void run() {
				GodotLib.focusout();
			}
		});
		mSensorManager.unregisterListener(this);

		for (int i = 0; i < singleton_count; i++) {
			singletons[i].onMainPause();
		}
	}

	@Override
	protected void onResume() {
		super.onResume();
		if (!godot_initialized) {
			if (null != mDownloaderClientStub) {
				mDownloaderClientStub.connect(this);
			}
			return;
		}

		mView.onResume();
		mView.queueEvent(new Runnable() {
			@Override
			public void run() {
				GodotLib.focusin();
			}
		});
		mSensorManager.registerListener(this, mAccelerometer, SensorManager.SENSOR_DELAY_GAME);
		mSensorManager.registerListener(this, mGravity, SensorManager.SENSOR_DELAY_GAME);
		mSensorManager.registerListener(this, mMagnetometer, SensorManager.SENSOR_DELAY_GAME);
		mSensorManager.registerListener(this, mGyroscope, SensorManager.SENSOR_DELAY_GAME);

		if (use_immersive && Build.VERSION.SDK_INT >= 19.0) { // check if the application runs on an android 4.4+
			Window window = getWindow();
			window.getDecorView().setSystemUiVisibility(
					View.SYSTEM_UI_FLAG_LAYOUT_STABLE |
					View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION |
					View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN |
					View.SYSTEM_UI_FLAG_HIDE_NAVIGATION | // hide nav bar
					View.SYSTEM_UI_FLAG_FULLSCREEN | // hide status bar
					View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY);
		}

		for (int i = 0; i < singleton_count; i++) {

			singletons[i].onMainResume();
		}
	}

	public void UiChangeListener() {
		final View decorView = getWindow().getDecorView();
		decorView.setOnSystemUiVisibilityChangeListener(new View.OnSystemUiVisibilityChangeListener() {
			@Override
			public void onSystemUiVisibilityChange(int visibility) {
				if ((visibility & View.SYSTEM_UI_FLAG_FULLSCREEN) == 0) {
					decorView.setSystemUiVisibility(
							View.SYSTEM_UI_FLAG_LAYOUT_STABLE |
							View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION |
							View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN |
							View.SYSTEM_UI_FLAG_HIDE_NAVIGATION |
							View.SYSTEM_UI_FLAG_FULLSCREEN |
							View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY);
				}
			}
		});
	}

	@Override
	public void onSensorChanged(SensorEvent event) {
		Display display = ((WindowManager)getSystemService(WINDOW_SERVICE)).getDefaultDisplay();
		int displayRotation = display.getRotation();

		float[] adjustedValues = new float[3];
		final int axisSwap[][] = {
			{ 1, -1, 0, 1 }, // ROTATION_0
			{ -1, -1, 1, 0 }, // ROTATION_90
			{ -1, 1, 0, 1 }, // ROTATION_180
			{ 1, 1, 1, 0 }
		}; // ROTATION_270

		final int[] as = axisSwap[displayRotation];
		adjustedValues[0] = (float)as[0] * event.values[as[2]];
		adjustedValues[1] = (float)as[1] * event.values[as[3]];
		adjustedValues[2] = event.values[2];

		final float x = adjustedValues[0];
		final float y = adjustedValues[1];
		final float z = adjustedValues[2];

		final int typeOfSensor = event.sensor.getType();
		if (mView != null) {
			mView.queueEvent(new Runnable() {
				@Override
				public void run() {
					if (typeOfSensor == Sensor.TYPE_ACCELEROMETER) {
						GodotLib.accelerometer(-x, y, -z);
					}
					if (typeOfSensor == Sensor.TYPE_GRAVITY) {
						GodotLib.gravity(-x, y, -z);
					}
					if (typeOfSensor == Sensor.TYPE_MAGNETIC_FIELD) {
						GodotLib.magnetometer(-x, y, -z);
					}
					if (typeOfSensor == Sensor.TYPE_GYROSCOPE) {
						GodotLib.gyroscope(x, -y, z);
					}
				}
			});
		}
	}

	@Override
	public final void onAccuracyChanged(Sensor sensor, int accuracy) {
		// Do something here if sensor accuracy changes.
	}

	/*
	@Override public boolean dispatchKeyEvent(KeyEvent event) {

		if (event.getKeyCode()==KeyEvent.KEYCODE_BACK) {

			System.out.printf("** BACK REQUEST!\n");

			GodotLib.quit();
			return true;
		}
		System.out.printf("** OTHER KEY!\n");

		return false;
	}
	*/

	@Override
	public void onBackPressed() {
		boolean shouldQuit = true;

		for (int i = 0; i < singleton_count; i++) {
			if (singletons[i].onMainBackPressed()) {
				shouldQuit = false;
			}
		}

		System.out.printf("** BACK REQUEST!\n");
		if (shouldQuit && mView != null) {
			mView.queueEvent(new Runnable() {
				@Override
				public void run() {
					GodotLib.back();
				}
			});
		}
	}

	public void forceQuit() {

		System.exit(0);
	}

	private boolean obbIsCorrupted(String f, String main_pack_md5) {

		try {

			InputStream fis = new FileInputStream(f);

			// Create MD5 Hash
			byte[] buffer = new byte[16384];

			MessageDigest complete = MessageDigest.getInstance("MD5");
			int numRead;
			do {
				numRead = fis.read(buffer);
				if (numRead > 0) {
					complete.update(buffer, 0, numRead);
				}
			} while (numRead != -1);

			fis.close();
			byte[] messageDigest = complete.digest();

			// Create Hex String
			StringBuffer hexString = new StringBuffer();
			for (int i = 0; i < messageDigest.length; i++) {
				String s = Integer.toHexString(0xFF & messageDigest[i]);

				if (s.length() == 1) {
					s = "0" + s;
				}
				hexString.append(s);
			}
			String md5str = hexString.toString();

			//Log.d("GODOT","**PACK** - My MD5: "+hexString+" - APK md5: "+main_pack_md5);
			if (!md5str.equals(main_pack_md5)) {
				Log.d("GODOT", "**PACK MD5 MISMATCH???** - MD5 Found: " + md5str + " " + Integer.toString(md5str.length()) + " - MD5 Expected: " + main_pack_md5 + " " + Integer.toString(main_pack_md5.length()));
				return true;
			}
			return false;
		} catch (Exception e) {
			e.printStackTrace();
			Log.d("GODOT", "**PACK FAIL**");
			return true;
		}
	}

	//@Override public boolean dispatchTouchEvent (MotionEvent event) {
	public boolean gotTouchEvent(final MotionEvent event) {

		super.onTouchEvent(event);
		final int evcount = event.getPointerCount();
		if (evcount == 0)
			return true;

		if (mView != null) {
			final int[] arr = new int[event.getPointerCount() * 3];

			for (int i = 0; i < event.getPointerCount(); i++) {

				arr[i * 3 + 0] = (int)event.getPointerId(i);
				arr[i * 3 + 1] = (int)event.getX(i);
				arr[i * 3 + 2] = (int)event.getY(i);
			}

			//System.out.printf("gaction: %d\n",event.getAction());
			final int action = event.getAction() & MotionEvent.ACTION_MASK;
			mView.queueEvent(new Runnable() {
				@Override
				public void run() {
					switch (action) {
						case MotionEvent.ACTION_DOWN: {
							GodotLib.touch(0, 0, evcount, arr);
							//System.out.printf("action down at: %f,%f\n", event.getX(),event.getY());
						} break;
						case MotionEvent.ACTION_MOVE: {
							GodotLib.touch(1, 0, evcount, arr);
							/*
							for(int i=0;i<event.getPointerCount();i++) {
								System.out.printf("%d - moved to: %f,%f\n",i, event.getX(i),event.getY(i));
							}
							*/
						} break;
						case MotionEvent.ACTION_POINTER_UP: {
							final int indexPointUp = event.getActionIndex();
							final int pointer_idx = event.getPointerId(indexPointUp);
							GodotLib.touch(4, pointer_idx, evcount, arr);
							//System.out.printf("%d - s.up at: %f,%f\n",pointer_idx, event.getX(pointer_idx),event.getY(pointer_idx));
						} break;
						case MotionEvent.ACTION_POINTER_DOWN: {
							int pointer_idx = event.getActionIndex();
							GodotLib.touch(3, pointer_idx, evcount, arr);
							//System.out.printf("%d - s.down at: %f,%f\n",pointer_idx, event.getX(pointer_idx),event.getY(pointer_idx));
						} break;
						case MotionEvent.ACTION_CANCEL:
						case MotionEvent.ACTION_UP: {
							GodotLib.touch(2, 0, evcount, arr);
							/*
							for(int i=0;i<event.getPointerCount();i++) {
								System.out.printf("%d - up! %f,%f\n",i, event.getX(i),event.getY(i));
							}
							*/
						} break;
					}
				}
			});
		}
		return true;
	}

	@Override
	public boolean onKeyMultiple(final int inKeyCode, int repeatCount, KeyEvent event) {
		String s = event.getCharacters();
		if (s == null || s.length() == 0)
			return super.onKeyMultiple(inKeyCode, repeatCount, event);

		final char[] cc = s.toCharArray();
		int cnt = 0;
		for (int i = cc.length; --i >= 0; cnt += cc[i] != 0 ? 1 : 0)
			;
		if (cnt == 0) return super.onKeyMultiple(inKeyCode, repeatCount, event);
		final Activity me = this;
		queueEvent(new Runnable() {
			// This method will be called on the rendering thread:
			public void run() {
				for (int i = 0, n = cc.length; i < n; i++) {
					int keyCode;
					if ((keyCode = cc[i]) != 0) {
						// Simulate key down and up...
						GodotLib.key(0, keyCode, true);
						GodotLib.key(0, keyCode, false);
					}
				}
			}
		});
		return true;
	}

	private void queueEvent(Runnable runnable) {
		// TODO Auto-generated method stub
	}

	public PaymentsManager getPaymentsManager() {
		return mPaymentsManager;
	}

	/*
	public void setPaymentsManager(PaymentsManager mPaymentsManager) {
		this.mPaymentsManager = mPaymentsManager;
	}
	*/

	// Audio

	/**
     * The download state should trigger changes in the UI --- it may be useful
     * to show the state as being indeterminate at times. This sample can be
     * considered a guideline.
     */
	@Override
	public void onDownloadStateChanged(int newState) {
		Log.d("GODOT", "onDownloadStateChanged:" + newState);
		setState(newState);
		boolean showDashboard = true;
		boolean showCellMessage = false;
		boolean paused;
		boolean indeterminate;
		switch (newState) {
			case IDownloaderClient.STATE_IDLE:
				Log.d("GODOT", "DOWNLOAD STATE IDLE");
				// STATE_IDLE means the service is listening, so it's
				// safe to start making calls via mRemoteService.
				paused = false;
				indeterminate = true;
				break;
			case IDownloaderClient.STATE_CONNECTING:
			case IDownloaderClient.STATE_FETCHING_URL:
				Log.d("GODOT", "DOWNLOAD STATE CONNECTION / FETCHING URL");
				showDashboard = true;
				paused = false;
				indeterminate = true;
				break;
			case IDownloaderClient.STATE_DOWNLOADING:
				Log.d("GODOT", "DOWNLOAD STATE DOWNLOADING");
				paused = false;
				showDashboard = true;
				indeterminate = false;
				break;

			case IDownloaderClient.STATE_FAILED_CANCELED:
			case IDownloaderClient.STATE_FAILED:
			case IDownloaderClient.STATE_FAILED_FETCHING_URL:
			case IDownloaderClient.STATE_FAILED_UNLICENSED:
				Log.d("GODOT", "DOWNLOAD STATE: FAILED, CANCELLED, UNLICENSED OR FAILED TO FETCH URL");
				paused = true;
				showDashboard = false;
				indeterminate = false;
				break;
			case IDownloaderClient.STATE_PAUSED_NEED_CELLULAR_PERMISSION:
			case IDownloaderClient.STATE_PAUSED_WIFI_DISABLED_NEED_CELLULAR_PERMISSION:
				Log.d("GODOT", "DOWNLOAD STATE: PAUSED BY MISSING CELLULAR PERMISSION");
				showDashboard = false;
				paused = true;
				indeterminate = false;
				showCellMessage = true;
				break;

			case IDownloaderClient.STATE_PAUSED_BY_REQUEST:
				Log.d("GODOT", "DOWNLOAD STATE: PAUSED BY USER");
				paused = true;
				indeterminate = false;
				break;
			case IDownloaderClient.STATE_PAUSED_ROAMING:
			case IDownloaderClient.STATE_PAUSED_SDCARD_UNAVAILABLE:
				Log.d("GODOT", "DOWNLOAD STATE: PAUSED BY ROAMING OR SDCARD UNAVAILABLE");
				paused = true;
				indeterminate = false;
				break;
			case IDownloaderClient.STATE_COMPLETED:
				Log.d("GODOT", "DOWNLOAD STATE: COMPLETED");
				showDashboard = false;
				paused = false;
				indeterminate = false;
				//                validateXAPKZipFiles();
				initializeGodot();
				return;
			default:
				Log.d("GODOT", "DOWNLOAD STATE: DEFAULT");
				paused = true;
				indeterminate = true;
				showDashboard = true;
		}
		int newDashboardVisibility = showDashboard ? View.VISIBLE : View.GONE;
		if (mDashboard.getVisibility() != newDashboardVisibility) {
			mDashboard.setVisibility(newDashboardVisibility);
		}
		int cellMessageVisibility = showCellMessage ? View.VISIBLE : View.GONE;
		if (mCellMessage.getVisibility() != cellMessageVisibility) {
			mCellMessage.setVisibility(cellMessageVisibility);
		}

		mPB.setIndeterminate(indeterminate);
		setButtonPausedState(paused);
	}

	@Override
	public void onDownloadProgress(DownloadProgressInfo progress) {
		mAverageSpeed.setText(getString(com.godot.game.R.string.kilobytes_per_second,
				Helpers.getSpeedString(progress.mCurrentSpeed)));
		mTimeRemaining.setText(getString(com.godot.game.R.string.time_remaining,
				Helpers.getTimeRemaining(progress.mTimeRemaining)));

		progress.mOverallTotal = progress.mOverallTotal;
		mPB.setMax((int)(progress.mOverallTotal >> 8));
		mPB.setProgress((int)(progress.mOverallProgress >> 8));
		mProgressPercent.setText(Long.toString(progress.mOverallProgress * 100 /
											   progress.mOverallTotal) +
								 "%");
		mProgressFraction.setText(Helpers.getDownloadProgressString(progress.mOverallProgress,
				progress.mOverallTotal));
	}
}