1 package org.hedgewars.mobile;

     2 

     3 import javax.microedition.khronos.egl.EGL10;

     4 import javax.microedition.khronos.egl.EGLConfig;

     5 import javax.microedition.khronos.egl.EGLContext;

     6 import javax.microedition.khronos.egl.EGLDisplay;

     7 import javax.microedition.khronos.egl.EGLSurface;

     8 

     9 import org.hedgewars.mobile.EngineProtocol.EngineProtocolNetwork;

    10 import org.hedgewars.mobile.EngineProtocol.GameConfig;

    11 import org.hedgewars.mobile.EngineProtocol.PascalExports;

    12 import org.hedgewars.mobile.TouchInterface.TouchInterface;

    13 

    14 import android.app.Activity;

    15 import android.content.Context;

    16 import android.graphics.Canvas;

    17 import android.graphics.PixelFormat;

    18 import android.hardware.Sensor;

    19 import android.hardware.SensorEvent;

    20 import android.hardware.SensorEventListener;

    21 import android.hardware.SensorManager;

    22 import android.media.AudioFormat;

    23 import android.media.AudioManager;

    24 import android.media.AudioTrack;

    25 import android.os.Bundle;

    26 import android.os.Handler;

    27 import android.os.Message;

    28 import android.util.Log;

    29 import android.view.KeyEvent;

    30 import android.view.SurfaceHolder;

    31 import android.view.SurfaceView;

    32 import android.view.View;

    33 

    34 /**

    35  * SDL Activity

    36  */

    37 public class SDLActivity extends Activity {

    38 

    39 	// Main components

    40 	public static SDLActivity mSingleton;

    41 	public static SDLSurface mSurface;

    42 

    43 	// Audio

    44 	private static Thread mAudioThread;

    45 	private static AudioTrack mAudioTrack;

    46 

    47 	// Load the .so

    48 	static {

    49 		System.loadLibrary("SDL");

    50 		System.loadLibrary("SDL_image");

    51 		System.loadLibrary("mikmod");

    52 		System.loadLibrary("SDL_net");

    53 		System.loadLibrary("SDL_mixer");

    54 		System.loadLibrary("SDL_ttf");

    55 		System.loadLibrary("lua5.1");

    56 		System.loadLibrary("hwengine");

    57 		System.loadLibrary("main");

    58 	}

    59 

    60 	// Setup

    61 	protected void onCreate(Bundle savedInstanceState) {

    62 		// Log.v("SDL", "onCreate()");

    63 		super.onCreate(savedInstanceState);

    64 

    65 		// So we can call stuff from static callbacks

    66 		mSingleton = this;

    67 

    68 		// Set up the surface

    69 		GameConfig config = getIntent().getParcelableExtra("config");

    70 		mSurface = new SDLSurface(getApplication(), config);

    71 		setContentView(mSurface);

    72 		SurfaceHolder holder = mSurface.getHolder();

    73 		holder.setType(SurfaceHolder.SURFACE_TYPE_GPU);

    74 	}

    75 

    76 	// Events

    77 	protected void onPause() {

    78 		// Log.v("SDL", "onPause()");

    79 		super.onPause();

    80 

    81 	}

    82 

    83 	protected void onResume() {

    84 		// Log.v("SDL", "onResume()");

    85 		super.onResume();

    86 	}

    87 	

    88 	public void onBackPressed(){

    89 		nativeQuit();

    90 		super.onBackPressed();

    91 	}

    92 

    93 	// Messages from the SDLMain thread

    94 	static int COMMAND_CHANGE_TITLE = 1;

    95 

    96 	// Handler for the messages

    97 	Handler commandHandler = new Handler() {

    98 		public void handleMessage(Message msg) {

    99 			if (msg.arg1 == COMMAND_CHANGE_TITLE) {

   100 				setTitle((String) msg.obj);

   101 			}

   102 		}

   103 	};

   104 

   105 	// Send a message from the SDLMain thread

   106 	void sendCommand(int command, Object data) {

   107 		Message msg = commandHandler.obtainMessage();

   108 		msg.arg1 = command;

   109 		msg.obj = data;

   110 		commandHandler.sendMessage(msg);

   111 	}

   112 

   113 	// C functions we call

   114 	public static native void nativeInit(String[] argv);

   115 

   116 	public static native void nativeQuit();

   117 

   118 	public static native void onNativeResize(int x, int y, int format);

   119 

   120 	public static native void onNativeKeyDown(int keycode);

   121 

   122 	public static native void onNativeKeyUp(int keycode);

   123 

   124 	public static native void onNativeTouch(int action, int pointer, float x, float y,

   125 			float p);

   126 

   127 	public static native void onNativeAccel(float x, float y, float z);

   128 

   129 	public static native void nativeRunAudioThread();

   130 

   131 	// Java functions called from C

   132 

   133 	public static boolean createGLContext(int majorVersion, int minorVersion) {

   134 		return mSurface.initEGL(majorVersion, minorVersion);

   135 	}

   136 

   137 	public static void flipBuffers() {

   138 		mSurface.flipEGL();

   139 	}

   140 

   141 	public static void setActivityTitle(String title) {

   142 		// Called from SDLMain() thread and can't directly affect the view

   143 		mSingleton.sendCommand(COMMAND_CHANGE_TITLE, title);

   144 	}

   145 

   146 	// Audio

   147 	private static Object buf;

   148 

   149 	public static Object audioInit(int sampleRate, boolean is16Bit,

   150 			boolean isStereo, int desiredFrames) {

   151 		int channelConfig = isStereo ? AudioFormat.CHANNEL_CONFIGURATION_STEREO

   152 				: AudioFormat.CHANNEL_CONFIGURATION_MONO;

   153 		int audioFormat = is16Bit ? AudioFormat.ENCODING_PCM_16BIT

   154 				: AudioFormat.ENCODING_PCM_8BIT;

   155 		int frameSize = (isStereo ? 2 : 1) * (is16Bit ? 2 : 1);

   156 

   157 		Log.v("SDL", "SDL audio: wanted " + (isStereo ? "stereo" : "mono")

   158 				+ " " + (is16Bit ? "16-bit" : "8-bit") + " "

   159 				+ ((float) sampleRate / 1000f) + "kHz, " + desiredFrames

   160 				+ " frames buffer");

   161 

   162 		// Let the user pick a larger buffer if they really want -- but ye

   163 		// gods they probably shouldn't, the minimums are horrifyingly high

   164 		// latency already

   165 		desiredFrames = Math.max(

   166 				desiredFrames,

   167 				(AudioTrack.getMinBufferSize(sampleRate, channelConfig,

   168 						audioFormat) + frameSize - 1)

   169 						/ frameSize);

   170 

   171 		mAudioTrack = new AudioTrack(AudioManager.STREAM_MUSIC, sampleRate,

   172 				channelConfig, audioFormat, desiredFrames * frameSize,

   173 				AudioTrack.MODE_STREAM);

   174 

   175 		audioStartThread();

   176 

   177 		Log.v("SDL",

   178 				"SDL audio: got "

   179 						+ ((mAudioTrack.getChannelCount() >= 2) ? "stereo"

   180 								: "mono")

   181 						+ " "

   182 						+ ((mAudioTrack.getAudioFormat() == AudioFormat.ENCODING_PCM_16BIT) ? "16-bit"

   183 								: "8-bit") + " "

   184 						+ ((float) mAudioTrack.getSampleRate() / 1000f)

   185 						+ "kHz, " + desiredFrames + " frames buffer");

   186 

   187 		if (is16Bit) {

   188 			buf = new short[desiredFrames * (isStereo ? 2 : 1)];

   189 		} else {

   190 			buf = new byte[desiredFrames * (isStereo ? 2 : 1)];

   191 		}

   192 		return buf;

   193 	}

   194 

   195 	public static void audioStartThread() {

   196 		mAudioThread = new Thread(new Runnable() {

   197 			public void run() {

   198 				mAudioTrack.play();

   199 				nativeRunAudioThread();

   200 			}

   201 		});

   202 

   203 		// I'd take REALTIME if I could get it!

   204 		mAudioThread.setPriority(Thread.MAX_PRIORITY);

   205 		mAudioThread.start();

   206 	}

   207 

   208 	public static void audioWriteShortBuffer(short[] buffer) {

   209 		for (int i = 0; i < buffer.length;) {

   210 			int result = mAudioTrack.write(buffer, i, buffer.length - i);

   211 			if (result > 0) {

   212 				i += result;

   213 			} else if (result == 0) {

   214 				try {

   215 					Thread.sleep(1);

   216 				} catch (InterruptedException e) {

   217 					// Nom nom

   218 				}

   219 			} else {

   220 				Log.w("SDL", "SDL audio: error return from write(short)");

   221 				return;

   222 			}

   223 		}

   224 	}

   225 

   226 	public static void audioWriteByteBuffer(byte[] buffer) {

   227 		for (int i = 0; i < buffer.length;) {

   228 			int result = mAudioTrack.write(buffer, i, buffer.length - i);

   229 			if (result > 0) {

   230 				i += result;

   231 			} else if (result == 0) {

   232 				try {

   233 					Thread.sleep(1);

   234 				} catch (InterruptedException e) {

   235 					// Nom nom

   236 				}

   237 			} else {

   238 				Log.w("SDL", "SDL audio: error return from write(short)");

   239 				return;

   240 			}

   241 		}

   242 	}

   243 

   244 	public static void audioQuit() {

   245 		if (mAudioThread != null) {

   246 			try {

   247 				mAudioThread.join();

   248 			} catch (Exception e) {

   249 				Log.v("SDL", "Problem stopping audio thread: " + e);

   250 			}

   251 			mAudioThread = null;

   252 

   253 			// Log.v("SDL", "Finished waiting for audio thread");

   254 		}

   255 

   256 		if (mAudioTrack != null) {

   257 			mAudioTrack.stop();

   258 			mAudioTrack = null;

   259 		}

   260 	}

   261 }

   262 

   263 /**

   264  * Simple nativeInit() runnable

   265  */

   266 class SDLMain implements Runnable {

   267 	private int surfaceWidth, surfaceHeight;

   268 	private GameConfig config;

   269 

   270 	public SDLMain(int width, int height, GameConfig _config) {

   271 		config = _config;

   272 		surfaceWidth = width;

   273 		surfaceHeight = height;

   274 	}

   275 

   276 	public void run() {

   277 		//Set up the IPC socket server to communicate with the engine

   278 		EngineProtocolNetwork ipc = new EngineProtocolNetwork(config);

   279 

   280 		String path = Utils.getDownloadPath(SDLActivity.mSingleton);//This represents the data directory

   281 		path = path.substring(0, path.length()-1);//remove the trailing '/'

   282 

   283 		

   284 		// Runs SDL_main() with added parameters

   285 		SDLActivity.nativeInit(new String[] { String.valueOf(ipc.port),

   286 				String.valueOf(surfaceWidth), String.valueOf(surfaceHeight),

   287 				"0", "null", "xeli", "1", "1", "1", path, ""  });

   288 

   289 		try {

   290 			ipc.quitIPC();

   291 			ipc.join();

   292 		} catch (InterruptedException e) {

   293 			e.printStackTrace();

   294 		}

   295 		//Log.v("SDL", "SDL thread terminated");

   296 		SDLActivity.mSingleton.finish();

   297 	}

   298 }

   299 

   300 /**

   301  * SDLSurface. This is what we draw on, so we need to know when it's created in

   302  * order to do anything useful.

   303  * 

   304  * Because of this, that's where we set up the SDL thread

   305  */

   306 class SDLSurface extends SurfaceView implements SurfaceHolder.Callback,

   307 		View.OnKeyListener, SensorEventListener {

   308 

   309 	// This is what SDL runs in. It invokes SDL_main(), eventually

   310 	private Thread mSDLThread;

   311 

   312 	// EGL private objects

   313 	private EGLContext mEGLContext;

   314 	private EGLSurface mEGLSurface;

   315 	private EGLDisplay mEGLDisplay;

   316 

   317 	// Sensors

   318 	private static SensorManager mSensorManager;

   319 

   320 	private GameConfig config;

   321 

   322 	// Startup

   323 	public SDLSurface(Context context, GameConfig _config) {

   324 		super(context);

   325 		getHolder().addCallback(this);

   326 

   327 		setFocusable(true);

   328 		setFocusableInTouchMode(true);

   329 		requestFocus();

   330 		setOnKeyListener(this);

   331 		setOnTouchListener(TouchInterface.getTouchInterface());

   332 

   333 		mSensorManager = (SensorManager) context.getSystemService("sensor");

   334 

   335 		config = _config;

   336 	}

   337 

   338 	// Called when we have a valid drawing surface

   339 	public void surfaceCreated(SurfaceHolder holder) {

   340 		Log.v("SDL", "surfaceCreated()");

   341 

   342 		//enableSensor(Sensor.TYPE_ACCELEROMETER, true);

   343 	}

   344 

   345 	// Called when we lose the surface

   346 	public void surfaceDestroyed(SurfaceHolder holder) {

   347 		Log.v("SDL", "surfaceDestroyed()");

   348 

   349 		// Send a quit message to the application

   350 		//SDLActivity.nativeQuit();

   351                 PascalExports.HWterminate(true);

   352 

   353 		// Now wait for the SDL thread to quit

   354 		if (mSDLThread != null) {

   355 			try {

   356 				mSDLThread.join();

   357 			} catch (Exception e) {

   358 				Log.v("SDL", "Problem stopping thread: " + e);

   359 			}

   360 			mSDLThread = null;

   361 

   362 			Log.v("SDL", "Finished waiting for SDL thread");

   363 		}

   364 

   365 		//enableSensor(Sensor.TYPE_ACCELEROMETER, false);

   366 	}

   367 

   368 	// Called when the surface is resized

   369 	public void surfaceChanged(SurfaceHolder holder, int format, int width,

   370 			int height) {

   371 		Log.d("SDL", "surfaceChanged()" + width + " + " + height);

   372 

   373 		int sdlFormat = 0x85151002; // SDL_PIXELFORMAT_RGB565 by default

   374 		switch (format) {

   375 		case PixelFormat.A_8:

   376 			Log.v("SDL", "pixel format A_8");

   377 			break;

   378 		case PixelFormat.LA_88:

   379 			Log.v("SDL", "pixel format LA_88");

   380 			break;

   381 		case PixelFormat.L_8:

   382 			Log.v("SDL", "pixel format L_8");

   383 			break;

   384 		case PixelFormat.RGBA_4444:

   385 			Log.v("SDL", "pixel format RGBA_4444");

   386 			sdlFormat = 0x85421002; // SDL_PIXELFORMAT_RGBA4444

   387 			break;

   388 		case PixelFormat.RGBA_5551:

   389 			Log.v("SDL", "pixel format RGBA_5551");

   390 			sdlFormat = 0x85441002; // SDL_PIXELFORMAT_RGBA5551

   391 			break;

   392 		case PixelFormat.RGBA_8888:

   393 			Log.v("SDL", "pixel format RGBA_8888");

   394 			sdlFormat = 0x86462004; // SDL_PIXELFORMAT_RGBA8888

   395 			break;

   396 		case PixelFormat.RGBX_8888:

   397 			Log.v("SDL", "pixel format RGBX_8888");

   398 			sdlFormat = 0x86262004; // SDL_PIXELFORMAT_RGBX8888

   399 			break;

   400 		case PixelFormat.RGB_332:

   401 			Log.v("SDL", "pixel format RGB_332");

   402 			sdlFormat = 0x84110801; // SDL_PIXELFORMAT_RGB332

   403 			break;

   404 		case PixelFormat.RGB_565:

   405 			Log.v("SDL", "pixel format RGB_565");

   406 			sdlFormat = 0x85151002; // SDL_PIXELFORMAT_RGB565

   407 			break;

   408 		case PixelFormat.RGB_888:

   409 			Log.v("SDL", "pixel format RGB_888");

   410 			// Not sure this is right, maybe SDL_PIXELFORMAT_RGB24 instead?

   411 			sdlFormat = 0x86161804; // SDL_PIXELFORMAT_RGB888

   412 			break;

   413 		default:

   414 			Log.v("SDL", "pixel format unknown " + format);

   415 			break;

   416 		}

   417 		SDLActivity.onNativeResize(width, height, sdlFormat);

   418 

   419 		// Now start up the C app thread

   420 		if (mSDLThread == null) {

   421 			mSDLThread = new Thread(new SDLMain(width, height, config),

   422 					"SDLThread");

   423 			mSDLThread.start();

   424 		}

   425 	}

   426 

   427 	// unused

   428 	public void onDraw(Canvas canvas) {

   429 	}

   430 

   431 	// EGL functions

   432 	public boolean initEGL(int majorVersion, int minorVersion) {

   433 		Log.v("SDL", "Starting up OpenGL ES " + majorVersion + "."

   434 				+ minorVersion);

   435 

   436 		try {

   437 			EGL10 egl = (EGL10) EGLContext.getEGL();

   438 

   439 			EGLDisplay dpy = egl.eglGetDisplay(EGL10.EGL_DEFAULT_DISPLAY);

   440 

   441 			int[] version = new int[2];

   442 			egl.eglInitialize(dpy, version);

   443 

   444 			int EGL_OPENGL_ES_BIT = 1;

   445 			int EGL_OPENGL_ES2_BIT = 4;

   446 			int renderableType = 0;

   447 			if (majorVersion == 2) {

   448 				renderableType = EGL_OPENGL_ES2_BIT;

   449 			} else if (majorVersion == 1) {

   450 				renderableType = EGL_OPENGL_ES_BIT;

   451 			}

   452 			int[] configSpec = {

   453 					// EGL10.EGL_DEPTH_SIZE, 16,

   454 					EGL10.EGL_RENDERABLE_TYPE, renderableType, EGL10.EGL_NONE };

   455 			EGLConfig[] configs = new EGLConfig[1];

   456 			int[] num_config = new int[1];

   457 			if (!egl.eglChooseConfig(dpy, configSpec, configs, 1, num_config)

   458 					|| num_config[0] == 0) {

   459 				Log.e("SDL", "No EGL config available");

   460 				return false;

   461 			}

   462 			EGLConfig config = configs[0];

   463 

   464 			EGLContext ctx = egl.eglCreateContext(dpy, config,

   465 					EGL10.EGL_NO_CONTEXT, null);

   466 			if (ctx == EGL10.EGL_NO_CONTEXT) {

   467 				Log.e("SDL", "Couldn't create context");

   468 				return false;

   469 			}

   470 

   471 			EGLSurface surface = egl.eglCreateWindowSurface(dpy, config, this,

   472 					null);

   473 			if (surface == EGL10.EGL_NO_SURFACE) {

   474 				Log.e("SDL", "Couldn't create surface");

   475 				return false;

   476 			}

   477 

   478 			if (!egl.eglMakeCurrent(dpy, surface, surface, ctx)) {

   479 				Log.e("SDL", "Couldn't make context current");

   480 				return false;

   481 			}

   482 

   483 			mEGLContext = ctx;

   484 			mEGLDisplay = dpy;

   485 			mEGLSurface = surface;

   486 

   487 		} catch (Exception e) {

   488 			Log.v("SDL", e + "");

   489 			for (StackTraceElement s : e.getStackTrace()) {

   490 				Log.v("SDL", s.toString());

   491 			}

   492 		}

   493 

   494 		return true;

   495 	}

   496 

   497 	// EGL buffer flip

   498 	public void flipEGL() {

   499 		try {

   500 			EGL10 egl = (EGL10) EGLContext.getEGL();

   501 

   502 			egl.eglWaitNative(EGL10.EGL_NATIVE_RENDERABLE, null);

   503 

   504 			// drawing here

   505 

   506 			egl.eglWaitGL();

   507 

   508 			egl.eglSwapBuffers(mEGLDisplay, mEGLSurface);

   509 

   510 		} catch (Exception e) {

   511 			Log.v("SDL", "flipEGL(): " + e);

   512 			for (StackTraceElement s : e.getStackTrace()) {

   513 				Log.v("SDL", s.toString());

   514 			}

   515 			

   516 		}

   517 	}

   518 

   519 	// Key events

   520 	public boolean onKey(View v, int keyCode, KeyEvent event) {

   521                 if(keyCode == KeyEvent.KEYCODE_VOLUME_DOWN || keyCode == KeyEvent.KEYCODE_VOLUME_UP) return false;

   522 		if (event.getAction() == KeyEvent.ACTION_DOWN) {

   523 			Log.v("SDL", "key down: " + keyCode);

   524 			if(keyCode == KeyEvent.KEYCODE_BACK){//TODO ask user to quit or not

   525 				PascalExports.HWterminate(true);

   526 				//SDLActivity.mSingleton.finish();

   527 			}else{

   528 				SDLActivity.onNativeKeyDown(keyCode);	

   529 			}

   530 			

   531 			return true;

   532 		} else if (event.getAction() == KeyEvent.ACTION_UP) {

   533 			Log.v("SDL", "key up: " + keyCode);

   534 			SDLActivity.onNativeKeyUp(keyCode);

   535 			return true;

   536 		}

   537 

   538 		return false;

   539 	}

   540 

   541 	// Sensor events

   542 	public void enableSensor(int sensortype, boolean enabled) {

   543 		// TODO: This uses getDefaultSensor - what if we have >1 accels?

   544 		if (enabled) {

   545 			mSensorManager.registerListener(this,

   546 					mSensorManager.getDefaultSensor(sensortype),

   547 					SensorManager.SENSOR_DELAY_GAME, null);

   548 		} else {

   549 			mSensorManager.unregisterListener(this,

   550 					mSensorManager.getDefaultSensor(sensortype));

   551 		}

   552 	}

   553 

   554 	public void onAccuracyChanged(Sensor sensor, int accuracy) {

   555 		// TODO

   556 	}

   557 

   558 	public void onSensorChanged(SensorEvent event) {

   559 		if (event.sensor.getType() == Sensor.TYPE_ACCELEROMETER) {

   560 			SDLActivity.onNativeAccel(event.values[0], event.values[1],

   561 					event.values[2]);

   562 		}

   563 	}

   564 

   565 }