Files
wagic/projects/mtg/Android/src/org/libsdl/app/SDLActivity.java
T
rolzad73@gmail.com 6d4e677711 * Stopped Android version from completely destroying/recreating SDLActivity when the device is locked.
Fixes multiple identical issue entries in tracker:
issue 696 (was marked fixed then restarted)
issue 876, issue 886, issue 894
2012-08-19 16:19:56 +00:00

1181 lines
38 KiB
Java

package org.libsdl.app;
import java.io.BufferedInputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.URL;
import java.net.URLConnection;
import javax.microedition.khronos.egl.EGL10;
import javax.microedition.khronos.egl.EGLConfig;
import javax.microedition.khronos.egl.EGLContext;
import javax.microedition.khronos.egl.EGLDisplay;
import javax.microedition.khronos.egl.EGLSurface;
import net.wagic.utils.StorageOptions;
import android.app.Activity;
import android.app.AlertDialog;
import android.app.Dialog;
import android.app.ProgressDialog;
import android.content.Context;
import android.content.DialogInterface;
import android.content.SharedPreferences;
import android.content.pm.PackageManager.NameNotFoundException;
import android.content.res.Configuration;
import android.graphics.Canvas;
import android.graphics.PixelFormat;
import android.hardware.Sensor;
import android.hardware.SensorEvent;
import android.hardware.SensorEventListener;
import android.hardware.SensorManager;
import android.media.AudioFormat;
import android.media.AudioManager;
import android.media.AudioTrack;
import android.os.AsyncTask;
import android.os.Bundle;
import android.os.Environment;
import android.os.Handler;
import android.os.Message;
import android.util.Log;
import android.view.Gravity;
import android.view.KeyEvent;
import android.view.Menu;
import android.view.MenuItem;
import android.view.MotionEvent;
import android.view.SubMenu;
import android.view.SurfaceHolder;
import android.view.SurfaceView;
import android.view.VelocityTracker;
import android.view.View;
import android.view.View.OnKeyListener;
import android.widget.FrameLayout;
import android.widget.FrameLayout.LayoutParams;
import com.google.ads.AdRequest;
import com.google.ads.AdSize;
import com.google.ads.AdView;
/**
SDL Activity
*/
public class SDLActivity extends Activity implements OnKeyListener{
// TAG used for debugging in DDMS
public static String TAG = Activity.class.getCanonicalName();
// Main components
private static AdView mAdView;
private static SDLActivity mSingleton;
private static SDLSurface mSurface;
// Audio
private static Thread mAudioThread;
private static AudioTrack mAudioTrack;
//Resource download
public static final int DIALOG_DOWNLOAD_PROGRESS = 0;
public static final int DIALOG_DOWNLOAD_ERROR = 1;
private ProgressDialog mProgressDialog;
private AlertDialog mErrorDialog;
public String mErrorMessage = "";
public Boolean mErrorHappened = false;
public final static String RES_FOLDER = "/sdcard/Wagic/Res/";
public static String RES_FILENAME = "core_0184.zip";
public static final String RES_URL = "http://wagic.googlecode.com/files/";
public String systemFolder = "/sdcard/Wagic/Res/";
private String userFolder;
// path to the onboard sd card that is not removable (typically /mnt/sdcard )
private String internalPath = "";
// path to removable sd card (on motorala devices /mnt/sdcard-ext, samsung devices: /mnt/sdcard/external_sd )
private String sdcardPath = "";
// Android only supports internal memory and internal sdcard. removable media is not currently accessible via API
// using StorageOptions for now gives us a temporary interface to scan all available mounted drives.
private Context mContext;
// Preferences
public static final String kWagicSharedPreferencesKey = "net.wagic.app.preferences.wagic";
public static final String kStoreDataOnRemovableSdCardPreference = "StoreDataOnRemovableStorage";
public static final String kSaveDataPathPreference = "StorageDataLocation";
public static final String kWagicDataStorageOptionsKey = "dataStorageOptions";
public static final int kStorageDataOptionsMenuId = 2000;
public static final int kOtherOptionsMenuId = 3000;
//Accessors
public String getSystemStorageLocation() {
return systemFolder;
}
public String getUserStorageLocation() {
return userFolder;
}
//setters
public void updateStorageLocations() {
boolean usesInternalSdCard = (!getSharedPreferences(kWagicSharedPreferencesKey, MODE_PRIVATE).getBoolean(kStoreDataOnRemovableSdCardPreference, false)) && Environment.MEDIA_MOUNTED.equals(Environment.getExternalStorageState());
systemFolder = (usesInternalSdCard ? internalPath : sdcardPath) + "/Res/";
userFolder = (usesInternalSdCard ? internalPath : sdcardPath) + "/User/";
}
/**
* checks to see if the device has a memory card to write to that is in a valid state.
*
* @return true if the device can write to the sdcard, false if not.
*/
public boolean checkStorageState()
{
SharedPreferences settings = getSharedPreferences(kWagicSharedPreferencesKey, MODE_PRIVATE);
boolean useSdCard = (!settings.getBoolean(kStoreDataOnRemovableSdCardPreference, false)) && Environment.MEDIA_MOUNTED.equals(Environment.getExternalStorageState());
String systemStoragePath = getSystemStorageLocation();
if (useSdCard && (systemStoragePath.indexOf(sdcardPath) != -1))
{
Log.i(TAG, "Data will be written to sdcard.");
return true;
}
if (!useSdCard && (systemStoragePath.indexOf(internalPath) != -1))
{
Log.i(TAG, "Data will be written to internal storage.");
return true;
}
return false;
}
private boolean getRemovableMediaStorageState()
{
for (String extMediaPath: StorageOptions.paths)
{
File mediaPath = new File(extMediaPath);
if (mediaPath.canWrite())
return true;
}
return false;
}
private void displayStorageOptions()
{
AlertDialog.Builder setStorage = new AlertDialog.Builder(this);
setStorage.setTitle("Where would you like to store your data? On your removable SD Card or the built-in memory?");
StorageOptions.determineStorageOptions();
setStorage.setSingleChoiceItems(StorageOptions.labels, -1, new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int item) {
savePathPreference(item);
}
});
setStorage.setPositiveButton("OK", new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
initStorage();
if (mSurface == null)
mSingleton.initializeGame();
}
});
setStorage.create().show();
}
private void checkStorageLocationPreference()
{
SharedPreferences settings = getSharedPreferences(kWagicSharedPreferencesKey, MODE_PRIVATE);
final SharedPreferences.Editor prefsEditor = settings.edit();
boolean hasRemovableMediaMounted = getRemovableMediaStorageState();
if ( !settings.contains(kStoreDataOnRemovableSdCardPreference))
{
if (hasRemovableMediaMounted)
{
displayStorageOptions();
}
else
{
prefsEditor.putBoolean(kStoreDataOnRemovableSdCardPreference, false);
prefsEditor.commit();
initStorage();
mSingleton.initializeGame();
}
}
else
{
boolean storeOnRemovableMedia = settings.getBoolean(kStoreDataOnRemovableSdCardPreference, false);
if ( storeOnRemovableMedia && !hasRemovableMediaMounted )
{
AlertDialog setStorage = new AlertDialog.Builder(this).create();
setStorage.setTitle("Storage Preference");
setStorage.setMessage("Removable Sd Card not detected. Saving data to internal memory.");
prefsEditor.putBoolean(kStoreDataOnRemovableSdCardPreference, false);
prefsEditor.commit();
initStorage();
mSingleton.initializeGame();
setStorage.show();
}
else
{
initStorage();
mSingleton.initializeGame();
}
}
}
private void initStorage()
{
//check the state of the external storage to ensure we can even write to it.
// we are going to assume that if an external location exists, and can be written to, use it.
// Otherwise use internal storage
try
{
//
// initialize where all the files are going to be stored.
//
File wagicMediaPath = null;
//String packageName = mContext.getPackageName(); // possibly use this to differentiate between different mods of Wagic.
File externalFilesDir = Environment.getExternalStorageDirectory();
if ( externalFilesDir != null) {
internalPath = externalFilesDir.getAbsolutePath() + "/Wagic";
}
String state = Environment.getExternalStorageState();
if (Environment.MEDIA_MOUNTED.equals(state))
{
wagicMediaPath = new File(internalPath);
if (wagicMediaPath.canWrite())
wagicMediaPath.mkdirs();
}
// initialize the external mount
SharedPreferences settings = getSharedPreferences(kWagicSharedPreferencesKey, MODE_PRIVATE);
String selectedRemovableCardPath = settings.getString(kSaveDataPathPreference, internalPath);
if (selectedRemovableCardPath != null && !internalPath.equalsIgnoreCase(selectedRemovableCardPath))
{
wagicMediaPath = new File(selectedRemovableCardPath);
if (!wagicMediaPath.exists() || !wagicMediaPath.canWrite() )
{
Log.e(TAG, "Error in initializing system folder: " + selectedRemovableCardPath);
}
else
{ // found a removable media location
sdcardPath = selectedRemovableCardPath + "/Wagic";
}
}
updateStorageLocations();
}
catch (Exception ioex)
{
Log.e( "SDL", "An error occurred in setting up the storage locations.");
}
}
private void savePathPreference( int selectedOption )
{
SharedPreferences settings = getSharedPreferences(kWagicSharedPreferencesKey, MODE_PRIVATE);
String selectedMediaPath = StorageOptions.paths[selectedOption];
final SharedPreferences.Editor prefsEditor = settings.edit();
boolean saveToRemovableMedia = !"/mnt/sdcard".equalsIgnoreCase(selectedMediaPath);
prefsEditor.putBoolean(kStoreDataOnRemovableSdCardPreference, saveToRemovableMedia);
prefsEditor.putString(kSaveDataPathPreference, selectedMediaPath);
prefsEditor.commit();
}
private void startDownload() {
String url = RES_URL + RES_FILENAME;
if ( !checkStorageState())
{
Log.e(TAG, "Error in initializing storage space.");
mSingleton.downloadError("Failed to initialize storage space for game. Please verify that your sdcard or internal memory is mounted properly.");
}
new DownloadFileAsync().execute(url);
}
public void downloadError(String errorMessage) {
mErrorHappened = true;
mErrorMessage = errorMessage;
}
private void buildStorageOptionsMenu(Menu menu)
{
StorageOptions.determineStorageOptions();
for (int idx = 0; idx < StorageOptions.count; idx++)
{
menu.add(kStorageDataOptionsMenuId, kStorageDataOptionsMenuId + idx, idx, StorageOptions.labels[idx]);
}
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
SubMenu settingsMenu = menu.addSubMenu(Menu.NONE, 1, 1, "Settings");
menu.add(Menu.NONE, 2, 2, "About");
settingsMenu.add(kStorageDataOptionsMenuId, kStorageDataOptionsMenuId, Menu.NONE, "Storage Data Options");
// buildStorageOptionsMenu(settingsMenu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
// Handle item selection
int itemId = item.getItemId();
if ( itemId == kStorageDataOptionsMenuId)
{
displayStorageOptions();
}
else if ( itemId == 2)
{
//display some info about the app
AlertDialog.Builder infoDialog = new AlertDialog.Builder(this);
infoDialog.setTitle("Wagic Info");
infoDialog.setMessage("Version 0.182");
infoDialog.show();
}
else
return super.onOptionsItemSelected(item);
return true;
}
@Override
protected Dialog onCreateDialog(int id) {
switch (id) {
case DIALOG_DOWNLOAD_PROGRESS:
mProgressDialog = new ProgressDialog(this);
mProgressDialog.setMessage("Downloading resource files (" + RES_FILENAME + ")");
mProgressDialog.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL);
mProgressDialog.setCancelable(false);
mProgressDialog.show();
return mProgressDialog;
case DIALOG_DOWNLOAD_ERROR:
//prepare alertDialog
AlertDialog.Builder builder = new AlertDialog.Builder(this);
builder.setMessage(mErrorMessage)
.setCancelable(false)
.setPositiveButton("Exit", new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int id) {
System.exit(0);
}
});
mErrorDialog = builder.create();
mErrorDialog.show();
return mErrorDialog;
default:
return null;
}
}
// Load the .so
static {
System.loadLibrary("SDL");
//System.loadLibrary("SDL_image");
//System.loadLibrary("SDL_mixer");
//System.loadLibrary("SDL_ttf");
System.loadLibrary("main");
}
//create main application
public void mainDisplay() {
FrameLayout _videoLayout = new FrameLayout(this);
//mGLView = new DemoGLSurfaceView(this);
// Set up the surface
mSurface = new SDLSurface(getApplication());
//setContentView(mSurface);
SurfaceHolder holder = mSurface.getHolder();
holder.setType(SurfaceHolder.SURFACE_TYPE_GPU);
// Create the adView
mAdView = new AdView(this, AdSize.BANNER, "a14e9009f88864f"); //"a14dc0ab7b27413" <-- for the alpha);
_videoLayout.addView(mSurface, new LayoutParams(LayoutParams.FILL_PARENT,
LayoutParams.FILL_PARENT));
_videoLayout.addView(mAdView, new LayoutParams(LayoutParams.WRAP_CONTENT
, LayoutParams.WRAP_CONTENT, Gravity.BOTTOM + Gravity.CENTER_HORIZONTAL) );
// mGLView.setFocusableInTouchMode(true);
// mGLView.setFocusable(true);
// adView.requestFreshAd();
setContentView(_videoLayout,
new LayoutParams(LayoutParams.FILL_PARENT, LayoutParams.FILL_PARENT));
mSurface.requestFocus();
AdRequest request = new AdRequest();
request.addTestDevice(AdRequest.TEST_EMULATOR);
request.addTestDevice("1DA1E070BC7D4ABE8BA77EB73C2CB0AA"); //wololo's phone
request.addTestDevice("C386F3830A9789C649098A817BF54C04"); //xawotihs's tablet
// Initiate a generic request to load it with an ad
mAdView.loadAd(request);
}
// Setup
@Override
protected void onCreate(Bundle savedInstanceState) {
//Log.v("SDL", "onCreate()");
super.onCreate(savedInstanceState);
// So we can call stuff from static callbacks
mSingleton = this;
mContext = this.getApplicationContext();
// get the current version of the app to set the core filename
String versionCodeString = getApplicationCode();
RES_FILENAME = "core_" + versionCodeString + ".zip";
StorageOptions.determineStorageOptions();
checkStorageLocationPreference();
}
public void initializeGame()
{
String coreFileLocation = getSystemStorageLocation() + RES_FILENAME;
File file = new File(coreFileLocation);
if (file.exists()) {
mainDisplay();
} else {
FrameLayout _videoLayout = new FrameLayout(this);
setContentView(_videoLayout,
new LayoutParams(LayoutParams.FILL_PARENT, LayoutParams.FILL_PARENT));
startDownload();
}
}
// Events
@Override
protected void onPause() {
//Log.v("SDL", "onPause()");
super.onPause();
SDLActivity.nativePause();
}
@Override
protected void onResume() {
//Log.v("SDL", "onResume()");
super.onResume();
SDLActivity.nativeResume();
}
@Override
public void onDestroy() {
//Log.v("SDL", "onDestroy()");
super.onDestroy();
mSurface.onDestroy();
}
// Handler for Messages coming from JGE
// Suggested syntax for JGE messages is a string separated by the ":" symbol
protected void processJGEMsg (String command)
{
if (null == command) {
return;
}
if ((command.compareTo("entergamestate:menu") == 0)
|| (command.compareTo("enterduelphase:end") == 0)) {
mAdView.setVisibility(View.VISIBLE);
} else if (command.compareTo("leavegamestate:menu") == 0) {
mAdView.setVisibility(View.INVISIBLE);
}
}
// Messages from the SDLMain thread
static int COMMAND_CHANGE_TITLE = 1;
static int COMMAND_JGE_MSG = 2;
// Handler for the messages
Handler commandHandler = new Handler() {
public void handleMessage(Message msg) {
if (msg.arg1 == COMMAND_CHANGE_TITLE) {
setTitle((String)msg.obj);
}
else if (msg.arg1 == COMMAND_JGE_MSG) {
processJGEMsg((String)msg.obj);
}
}
};
// Send a message from the SDLMain thread
void sendCommand(int command, Object data) {
Message msg = commandHandler.obtainMessage();
msg.arg1 = command;
msg.obj = data;
commandHandler.sendMessage(msg);
}
// C functions we call
public static native void nativeInit();
public static native void nativeQuit();
public static native void nativePause();
public static native void nativeResume();
public static native void onNativeResize(int x, int y, int format);
public static native void onNativeKeyDown(int keycode);
public static native void onNativeKeyUp(int keycode);
public static native void onNativeTouch(int index, int action, float x,
float y, float p);
public static native void onNativeFlickGesture(float xVelocity, float yVelocity);
public static native void onNativeAccel(float x, float y, float z);
public static native void nativeRunAudioThread();
// Java functions called from C
// Receive a message from the SDLMain thread
public static String getSystemFolderPath()
{
return mSingleton.getSystemStorageLocation();
}
public static String getUserFolderPath()
{
return mSingleton.getUserStorageLocation();
}
public static void jgeSendCommand(String command) {
mSingleton.sendCommand(COMMAND_JGE_MSG, command);
}
public static boolean createGLContext(int majorVersion, int minorVersion) {
return mSurface.initEGL(majorVersion, minorVersion);
}
public static void flipBuffers() {
mSurface.flipEGL();
}
public static void setActivityTitle(String title) {
// Called from SDLMain() thread and can't directly affect the view
mSingleton.sendCommand(COMMAND_CHANGE_TITLE, title);
}
// Audio
private static Object buf;
public static Object audioInit(int sampleRate, boolean is16Bit, boolean isStereo, int desiredFrames) {
int channelConfig = isStereo ? AudioFormat.CHANNEL_CONFIGURATION_STEREO : AudioFormat.CHANNEL_CONFIGURATION_MONO;
int audioFormat = is16Bit ? AudioFormat.ENCODING_PCM_16BIT : AudioFormat.ENCODING_PCM_8BIT;
int frameSize = (isStereo ? 2 : 1) * (is16Bit ? 2 : 1);
//Log.v("SDL", "SDL audio: wanted " + (isStereo ? "stereo" : "mono") + " " + (is16Bit ? "16-bit" : "8-bit") + " " + ((float)sampleRate / 1000f) + "kHz, " + desiredFrames + " frames buffer");
// Let the user pick a larger buffer if they really want -- but ye
// gods they probably shouldn't, the minimums are horrifyingly high
// latency already
desiredFrames = Math.max(desiredFrames, (AudioTrack.getMinBufferSize(sampleRate, channelConfig, audioFormat) + frameSize - 1) / frameSize);
mAudioTrack = new AudioTrack(AudioManager.STREAM_MUSIC, sampleRate,
channelConfig, audioFormat, desiredFrames * frameSize, AudioTrack.MODE_STREAM);
audioStartThread();
//Log.v("SDL", "SDL audio: got " + ((mAudioTrack.getChannelCount() >= 2) ? "stereo" : "mono") + " " + ((mAudioTrack.getAudioFormat() == AudioFormat.ENCODING_PCM_16BIT) ? "16-bit" : "8-bit") + " " + ((float)mAudioTrack.getSampleRate() / 1000f) + "kHz, " + desiredFrames + " frames buffer");
if (is16Bit) {
buf = new short[desiredFrames * (isStereo ? 2 : 1)];
} else {
buf = new byte[desiredFrames * (isStereo ? 2 : 1)];
}
return buf;
}
public static void audioStartThread() {
mAudioThread = new Thread(new Runnable() {
public void run() {
mAudioTrack.play();
nativeRunAudioThread();
}
});
// I'd take REALTIME if I could get it!
mAudioThread.setPriority(Thread.MAX_PRIORITY);
mAudioThread.start();
}
public static void audioWriteShortBuffer(short[] buffer) {
for (int i = 0; i < buffer.length; ) {
int result = mAudioTrack.write(buffer, i, buffer.length - i);
if (result > 0) {
i += result;
} else if (result == 0) {
try {
Thread.sleep(1);
} catch(InterruptedException e) {
// Nom nom
}
} else {
Log.w("SDL", "SDL audio: error return from write(short)");
return;
}
}
}
public static void audioWriteByteBuffer(byte[] buffer) {
for (int i = 0; i < buffer.length; ) {
int result = mAudioTrack.write(buffer, i, buffer.length - i);
if (result > 0) {
i += result;
} else if (result == 0) {
try {
Thread.sleep(1);
} catch(InterruptedException e) {
// Nom nom
}
} else {
Log.w("SDL", "SDL audio: error return from write(short)");
return;
}
}
}
public static void audioQuit() {
if (mAudioThread != null) {
try {
mAudioThread.join();
} catch(Exception e) {
Log.v("SDL", "Problem stopping audio thread: " + e);
}
mAudioThread = null;
//Log.v("SDL", "Finished waiting for audio thread");
}
if (mAudioTrack != null) {
mAudioTrack.stop();
mAudioTrack = null;
}
}
class DownloadFileAsync extends AsyncTask<String, Integer, Long> {
final String TAG1 = DownloadFileAsync.class.getCanonicalName();
@Override
protected void onPreExecute() {
super.onPreExecute();
showDialog(DIALOG_DOWNLOAD_PROGRESS);
}
@Override
protected Long doInBackground(String... aurl) {
int count;
long totalBytes = 0;
OutputStream output = null;
InputStream input = null;
try {
//
// Prepare the sdcard folders in order to download the resource file
//
String storageLocation = mSingleton.getSystemStorageLocation();
File resDirectory = new File(storageLocation);
File userDirectory = new File(mSingleton.getUserStorageLocation());
if (!resDirectory.exists() && !resDirectory.mkdirs() || (!userDirectory.exists() && !userDirectory.mkdirs()))
{
throw new Exception ("Failed to initialize system and user directories.");
}
URL url = new URL(aurl[0]);
String filename = url.getPath().substring( url.getPath().lastIndexOf( '/') + 1);
URLConnection conexion = url.openConnection();
conexion.connect();
int lengthOfFile = conexion.getContentLength();
//Log.d("Wagic - " + TAG1, " Length of file: " + lengthOfFile);
input = new BufferedInputStream(url.openStream());
// create a File object for the output file
File outputFile = new File(resDirectory, filename + ".tmp");
output = new FileOutputStream(outputFile);
byte data[] = new byte[1024];
while ((count = input.read(data)) != -1) {
totalBytes += count;
publishProgress((int)((totalBytes*100)/lengthOfFile));
output.write(data, 0, count);
}
output.flush();
output.close();
input.close();
} catch (Exception e) {
String errorMessage = "An error happened while downloading the resources. It could be that our server is temporarily down, that your device is not connected to a network, or that we cannot write to " + mSingleton.getSystemStorageLocation() + ". Please check your phone settings and try again. For more help please go to http://wagic.net";
mSingleton.downloadError(errorMessage);
Log.e(TAG1, errorMessage);
Log.e(TAG1, e.getMessage());
}
return new Long(totalBytes);
}
protected void onProgressUpdate(Integer... progress) {
if (progress[0] != mProgressDialog.getProgress())
{
//Log.d("Wagic - " + TAG1, "current progress : " + progress[0]);
mProgressDialog.setProgress(progress[0]);
}
}
@Override
protected void onPostExecute(Long unused) {
if (mErrorHappened) {
dismissDialog(DIALOG_DOWNLOAD_PROGRESS);
showDialog(DIALOG_DOWNLOAD_ERROR);
return;
}
//rename the temporary file into the final filename
String storageLocation = getSystemStorageLocation();
File preFile = new File(storageLocation + RES_FILENAME + ".tmp");
File postFile = new File(storageLocation + RES_FILENAME);
if (preFile.exists())
preFile.renameTo(postFile);
dismissDialog(DIALOG_DOWNLOAD_PROGRESS);
//Start game;
mSingleton.mainDisplay();
}
}
public boolean onKey(View v, int keyCode, KeyEvent event) {
if ((keyCode == KeyEvent.KEYCODE_MENU) && (KeyEvent.ACTION_DOWN == event.getAction()))
{
super.onKeyDown(keyCode, event);
return true;
}
else if ((keyCode == KeyEvent.KEYCODE_MENU) && (KeyEvent.ACTION_UP == event.getAction()))
{
super.onKeyUp(keyCode, event);
return true;
}
return false;
}
private String getApplicationCode()
{
int v = 0;
try {
v = getPackageManager().getPackageInfo(getPackageName(), 0).versionCode;
} catch (NameNotFoundException e) {
// Huh? Really?
v = 184; // shouldn't really happen but we need to default to something
}
return "0" + v;
}
// Empty onConfigurationChanged to stop the Activity from destroying/recreating on screen off
@Override
public void onConfigurationChanged(Configuration newConfig)
{
super.onConfigurationChanged(newConfig);
}
}
/**
SDLSurface. This is what we draw on, so we need to know when it's created
in order to do anything useful.
Because of this, that's where we set up the SDL thread
*/
class SDLSurface extends SurfaceView implements SurfaceHolder.Callback,
View.OnKeyListener, View.OnTouchListener, SensorEventListener {
// This is what SDL runs in. It invokes SDL_main(), eventually
private Thread mSDLThread;
// EGL private objects
private EGLContext mEGLContext;
private EGLSurface mEGLSurface;
private EGLDisplay mEGLDisplay;
private EGLConfig mEGLConfig;
// Sensors
private static SensorManager mSensorManager;
private static VelocityTracker mVelocityTracker;
final private Object mSemSurface;
private Boolean mSurfaceValid;
void startSDLThread() {
if (mSDLThread == null) {
mSDLThread = new Thread(new SDLMain(), "SDLThread");
mSDLThread.start();
}
}
/**
Simple nativeInit() runnable
*/
class SDLMain implements Runnable {
public void run() {
// Runs SDL_main()
SDLActivity.nativeInit();
SDLActivity.nativeQuit();
Log.v("SDL", "SDL thread terminated");
// On exit, tear everything down for a fresh restart next time.
System.exit(0);
}
}
// Startup
public SDLSurface(Context context) {
super(context);
mSemSurface = new Object();
mSurfaceValid = false;
getHolder().addCallback(this);
setFocusable(true);
setFocusableInTouchMode(true);
requestFocus();
setOnKeyListener(this);
setOnTouchListener(this);
mSensorManager = (SensorManager)context.getSystemService("sensor");
}
// Called when we have a valid drawing surface
public void surfaceCreated(SurfaceHolder holder) {
Log.v("SDL", "surfaceCreated()");
enableSensor(Sensor.TYPE_ACCELEROMETER, true);
}
public void onDestroy() {
// Send a quit message to the application
//should that be in SDLActivity "onDestroy" instead ?
SDLActivity.nativeQuit();
// Now wait for the SDL thread to quit
if (mSDLThread != null) {
try {
mSDLThread.join();
} catch(Exception e) {
Log.v("SDL", "Problem stopping thread: " + e);
}
mSDLThread = null;
//Log.v("SDL", "Finished waiting for SDL thread");
}
}
// Called when we lose the surface
public void surfaceDestroyed(SurfaceHolder holder) {
Log.v("SDL", "surfaceDestroyed()");
synchronized(mSemSurface) {
mSurfaceValid = false;
mSemSurface.notifyAll();
}
enableSensor(Sensor.TYPE_ACCELEROMETER, false);
}
// Called when the surface is resized
public void surfaceChanged(SurfaceHolder holder,
int format, int width, int height) {
Log.d("SDL", "surfaceChanged()");
int sdlFormat = 0x85151002; // SDL_PIXELFORMAT_RGB565 by default
switch (format) {
case PixelFormat.A_8:
Log.d("SDL", "pixel format A_8");
break;
case PixelFormat.LA_88:
Log.d("SDL", "pixel format LA_88");
break;
case PixelFormat.L_8:
Log.d("SDL", "pixel format L_8");
break;
case PixelFormat.RGBA_4444:
Log.d("SDL", "pixel format RGBA_4444");
sdlFormat = 0x85421002; // SDL_PIXELFORMAT_RGBA4444
break;
case PixelFormat.RGBA_5551:
Log.d("SDL", "pixel format RGBA_5551");
sdlFormat = 0x85441002; // SDL_PIXELFORMAT_RGBA5551
break;
case PixelFormat.RGBA_8888:
Log.d("SDL", "pixel format RGBA_8888");
sdlFormat = 0x86462004; // SDL_PIXELFORMAT_RGBA8888
break;
case PixelFormat.RGBX_8888:
Log.d("SDL", "pixel format RGBX_8888");
sdlFormat = 0x86262004; // SDL_PIXELFORMAT_RGBX8888
break;
case PixelFormat.RGB_332:
Log.d("SDL", "pixel format RGB_332");
sdlFormat = 0x84110801; // SDL_PIXELFORMAT_RGB332
break;
case PixelFormat.RGB_565:
Log.d("SDL", "pixel format RGB_565");
sdlFormat = 0x85151002; // SDL_PIXELFORMAT_RGB565
break;
case PixelFormat.RGB_888:
Log.d("SDL", "pixel format RGB_888");
// Not sure this is right, maybe SDL_PIXELFORMAT_RGB24 instead?
sdlFormat = 0x86161804; // SDL_PIXELFORMAT_RGB888
break;
default:
Log.d("SDL", "pixel format unknown " + format);
break;
}
SDLActivity.onNativeResize(width, height, sdlFormat);
// Now start up the C app thread
startSDLThread();
}
// unused
public void onDraw(Canvas canvas) {}
// EGL functions
public boolean initEGL(int majorVersion, int minorVersion) {
Log.d("SDL", "Starting up OpenGL ES " + majorVersion + "." + minorVersion);
try {
EGL10 egl = (EGL10)EGLContext.getEGL();
EGLDisplay dpy = egl.eglGetDisplay(EGL10.EGL_DEFAULT_DISPLAY);
int[] version = new int[2];
egl.eglInitialize(dpy, version);
int EGL_OPENGL_ES_BIT = 1;
int EGL_OPENGL_ES2_BIT = 4;
int renderableType = 0;
if (majorVersion == 2) {
renderableType = EGL_OPENGL_ES2_BIT;
} else if (majorVersion == 1) {
renderableType = EGL_OPENGL_ES_BIT;
}
int[] configSpec = {
//EGL10.EGL_DEPTH_SIZE, 16,
EGL10.EGL_RENDERABLE_TYPE, renderableType,
EGL10.EGL_NONE
};
EGLConfig[] configs = new EGLConfig[1];
int[] num_config = new int[1];
if (!egl.eglChooseConfig(dpy, configSpec, configs, 1, num_config) || num_config[0] == 0) {
Log.e("SDL", "No EGL config available");
return false;
}
mEGLConfig = configs[0];
EGLContext ctx = egl.eglCreateContext(dpy, mEGLConfig, EGL10.EGL_NO_CONTEXT, null);
if (ctx == EGL10.EGL_NO_CONTEXT) {
Log.e("SDL", "Couldn't create context");
return false;
}
mEGLContext = ctx;
mEGLDisplay = dpy;
if (!createSurface(this.getHolder())) {
return false;
}
} catch(Exception e) {
Log.e("SDL", e + "");
for (StackTraceElement s : e.getStackTrace()) {
Log.e("SDL", s.toString());
}
}
return true;
}
public Boolean createSurface(SurfaceHolder holder) {
/*
* The window size has changed, so we need to create a new
* surface.
*/
EGL10 egl = (EGL10)EGLContext.getEGL();
if (mEGLSurface != null) {
/*
* Unbind and destroy the old EGL surface, if
* there is one.
*/
egl.eglMakeCurrent(mEGLDisplay, EGL10.EGL_NO_SURFACE, EGL10.EGL_NO_SURFACE, EGL10.EGL_NO_CONTEXT);
egl.eglDestroySurface(mEGLDisplay, mEGLSurface);
}
/*
* Create an EGL surface we can render into.
*/
mEGLSurface = egl.eglCreateWindowSurface(mEGLDisplay, mEGLConfig, holder, null);
if (mEGLSurface == EGL10.EGL_NO_SURFACE) {
Log.e("SDL", "Couldn't create surface");
return false;
}
/*
* Before we can issue GL commands, we need to make sure
* the context is current and bound to a surface.
*/
if (!egl.eglMakeCurrent(mEGLDisplay, mEGLSurface, mEGLSurface, mEGLContext)) {
Log.e("SDL", "Couldn't make context current");
return false;
}
mSurfaceValid = true;
return true;
}
// EGL buffer flip
public void flipEGL() {
if (!mSurfaceValid)
{
createSurface(this.getHolder());
}
try {
EGL10 egl = (EGL10)EGLContext.getEGL();
egl.eglWaitNative(EGL10.EGL_NATIVE_RENDERABLE, null);
// drawing here
egl.eglWaitGL();
egl.eglSwapBuffers(mEGLDisplay, mEGLSurface);
} catch(Exception e) {
Log.e("SDL", "flipEGL(): " + e);
for (StackTraceElement s : e.getStackTrace()) {
Log.e("SDL", s.toString());
}
}
}
// Key events
public boolean onKey(View v, int keyCode, KeyEvent event) {
if (keyCode == KeyEvent.KEYCODE_MENU)
return false;
if (keyCode == KeyEvent.KEYCODE_VOLUME_UP || keyCode == KeyEvent.KEYCODE_VOLUME_DOWN)
return false;
if (event.getAction() == KeyEvent.ACTION_DOWN) {
//Log.d("SDL", "key down: " + keyCode);
SDLActivity.onNativeKeyDown(keyCode);
return true;
}
else if (event.getAction() == KeyEvent.ACTION_UP) {
//Log.d("SDL", "key up: " + keyCode);
SDLActivity.onNativeKeyUp(keyCode);
return true;
}
return false;
}
// Touch events
public boolean onTouch(View v, MotionEvent event) {
for (int index = 0; index < event.getPointerCount(); ++index)
{
int action = event.getActionMasked();
float x = event.getX(index);
float y = event.getY(index);
float p = event.getPressure(index);
// TODO: Anything else we need to pass?
SDLActivity.onNativeTouch(index, action, x, y, p);
}
// account for 'flick' type gestures by monitoring velocity
if (event.getActionIndex() == 0)
{
if (event.getAction() == MotionEvent.ACTION_DOWN)
{
mVelocityTracker = VelocityTracker.obtain();
mVelocityTracker.clear();
mVelocityTracker.addMovement(event);
}
else if (event.getAction() == MotionEvent.ACTION_MOVE)
{
mVelocityTracker.addMovement(event);
}
else if (event.getAction() == MotionEvent.ACTION_UP)
{
mVelocityTracker.addMovement(event);
// calc velocity
mVelocityTracker.computeCurrentVelocity(1000);
float xVelocity = mVelocityTracker.getXVelocity(0);
float yVelocity = mVelocityTracker.getYVelocity(0);
if ( Math.abs(xVelocity) > 300 || Math.abs(yVelocity) > 300)
SDLActivity.onNativeFlickGesture(xVelocity, yVelocity);
mVelocityTracker.recycle();
}
}
return true;
}
// Sensor events
public void enableSensor(int sensortype, boolean enabled) {
// TODO: This uses getDefaultSensor - what if we have >1 accels?
if (enabled) {
mSensorManager.registerListener(this,
mSensorManager.getDefaultSensor(sensortype),
SensorManager.SENSOR_DELAY_GAME, null);
} else {
mSensorManager.unregisterListener(this,
mSensorManager.getDefaultSensor(sensortype));
}
}
public void onAccuracyChanged(Sensor sensor, int accuracy) {
// TODO
}
public void onSensorChanged(SensorEvent event) {
if (event.sensor.getType() == Sensor.TYPE_ACCELEROMETER) {
SDLActivity.onNativeAccel(event.values[0],
event.values[1],
event.values[2]);
}
}
}