int obtainSource(boolean isMusic) {
if (noDevice) return 0;
for (int i = 0, n = idleSources.size; i < n; i++) {
int sourceId = idleSources.get(i);
int state = alGetSourcei(sourceId, AL_SOURCE_STATE);
if (state != AL_PLAYING && state != AL_PAUSED) {
if (isMusic) {
idleSources.removeIndex(i);
} else {
if (sourceToSoundId.containsKey(sourceId)) {
long soundId = sourceToSoundId.get(sourceId);
sourceToSoundId.remove(sourceId);
soundIdToSource.remove(soundId);
}
long soundId = nextSoundId++;
sourceToSoundId.put(sourceId, soundId);
soundIdToSource.put(soundId, sourceId);
}
alSourceStop(sourceId);
alSourcei(sourceId, AL_BUFFER, 0);
AL10.alSourcef(sourceId, AL10.AL_GAIN, 1);
AL10.alSourcef(sourceId, AL10.AL_PITCH, 1);
AL10.alSource3f(sourceId, AL10.AL_POSITION, 0, 0, 1f);
return sourceId;
}
}
return -1;
}
/**
* Play the specified buffer as music (i.e. use the music channel)
*
* @param buffer The buffer to be played
* @param pitch The pitch to play the music at
* @param gain The gaing to play the music at
* @param loop True if we should loop the music
*/
void playAsMusic(int buffer, float pitch, float gain, boolean loop) {
paused = false;
gain *= musicVolume;
if (gain == 0) {
gain = 0.001f;
}
setMOD(null);
if (soundWorks) {
if (currentMusic != -1) {
AL10.alSourceStop(sources.get(0));
}
getMusicSource();
AL10.alSourcef(sources.get(0), AL10.AL_GAIN, gain);
AL10.alSourcei(sources.get(0), AL10.AL_BUFFER, buffer);
AL10.alSourcef(sources.get(0), AL10.AL_PITCH, pitch);
AL10.alSourcei(sources.get(0), AL10.AL_LOOPING, loop ? AL10.AL_TRUE : AL10.AL_FALSE);
currentMusic = sources.get(0);
if (!music) {
pauseLoop();
} else {
AL10.alSourcePlay(sources.get(0));
}
}
}
public void setVolume(float volume) {
this.baseVol = volume;
if (this.type == 0)
AL10.alSourcef(this.src, AL10.AL_GAIN, volume * ((float) Globals.getSoundVolume() / 100.0f));
else
AL10.alSourcef(this.src, AL10.AL_GAIN, volume * ((float) Globals.getMusicVolume() / 100.0f));
}
int playAsSoundAt(
int buffer,
int source,
float pitch,
float gain,
boolean loop,
float x,
float y,
float z,
float vx,
float vy,
float vz,
boolean localsound) {
gain *= soundVolume;
if (gain == 0) {
gain = 0.001f;
}
if (soundWorks) {
if (sounds) {
if (source == -1) {
return -1;
}
AL10.alSourceStop(sources.get(source));
AL10.alSourcef(sources.get(source), AL10.AL_REFERENCE_DISTANCE, minDistance);
if (localsound) {
AL10.alSourcei(sources.get(source), AL10.AL_SOURCE_RELATIVE, AL10.AL_TRUE);
AL10.alSourcef(sources.get(source), AL10.AL_ROLLOFF_FACTOR, 0.0f);
} else {
AL10.alSourcei(sources.get(source), AL10.AL_SOURCE_RELATIVE, AL10.AL_FALSE);
AL10.alSourcef(sources.get(source), AL10.AL_ROLLOFF_FACTOR, rollOff);
}
AL10.alSourcei(sources.get(source), AL10.AL_BUFFER, buffer);
AL10.alSourcef(sources.get(source), AL10.AL_PITCH, pitch);
AL10.alSourcef(sources.get(source), AL10.AL_GAIN, gain);
AL10.alSourcei(sources.get(source), AL10.AL_LOOPING, loop ? AL10.AL_TRUE : AL10.AL_FALSE);
sourcePos.clear();
sourceVel.clear();
sourceVel.put(new float[] {vx, vy, vz});
sourcePos.put(new float[] {x, y, z});
sourcePos.flip();
sourceVel.flip();
AL10.alSource(sources.get(source), AL10.AL_POSITION, sourcePos);
AL10.alSource(sources.get(source), AL10.AL_VELOCITY, sourceVel);
AL10.alSourcePlay(sources.get(source));
return source;
}
}
return -1;
}
public void enter(GameContainer gc, StateBasedGame sbg) throws SlickException {
// The listener is reset
AlUtils.resetAlListener();
// the orientation is changed
AlUtils.setAlListenerOrientation(0.0f, 0.0f, -1.0f, -1.0f, 0.0f, 0.0f);
// we set sound context
AL10.alDistanceModel(AL11.AL_EXPONENT_DISTANCE);
AL10.alDopplerFactor(0.8f);
// We play the two sounds since we enter
sonG.loop(1f, 1f, 0f, 0f, 0f);
sonD.loop(1f, 1f, 0f, 0f, 0f);
AL10.alSourcef(sonG.getIndex(), AL10.AL_ROLLOFF_FACTOR, 1.5f);
AL10.alSourcef(sonD.getIndex(), AL10.AL_ROLLOFF_FACTOR, 1.5f);
// We play the beginning explanation sound
enterSound.play();
}
/**
* boolean LoadALData()
*
* <p>This function will load our sample data from the disk using the Alut utility and send the
* data into OpenAL as a buffer. A source is then also created to play that buffer.
*/
int loadALData() {
// Load wav data into a buffer.
AL10.alGenBuffers(buffer);
if (AL10.alGetError() != AL10.AL_NO_ERROR) return AL10.AL_FALSE;
// Loads the wave file from your file system
/*java.io.FileInputStream fin = null;
try {
fin = new java.io.FileInputStream("FancyPants.wav");
} catch (java.io.FileNotFoundException ex) {
ex.printStackTrace();
return AL10.AL_FALSE;
}
WaveData waveFile = WaveData.create(fin);
try {
fin.close();
} catch (java.io.IOException ex) {
}*/
// Loads the wave file from this class's package in your classpath
WaveData waveFile = WaveData.create("FancyPants.wav");
AL10.alBufferData(buffer.get(0), waveFile.format, waveFile.data, waveFile.samplerate);
waveFile.dispose();
// Bind the buffer with the source.
AL10.alGenSources(source);
if (AL10.alGetError() != AL10.AL_NO_ERROR) return AL10.AL_FALSE;
AL10.alSourcei(source.get(0), AL10.AL_BUFFER, buffer.get(0));
AL10.alSourcef(source.get(0), AL10.AL_PITCH, 1.0f);
AL10.alSourcef(source.get(0), AL10.AL_GAIN, 1.0f);
AL10.alSource(source.get(0), AL10.AL_POSITION, sourcePos);
AL10.alSource(source.get(0), AL10.AL_VELOCITY, sourceVel);
// Do another error check and return.
if (AL10.alGetError() == AL10.AL_NO_ERROR) return AL10.AL_TRUE;
return AL10.AL_FALSE;
}
public void setSoundPan(long soundId, float pan, float volume) {
if (!soundIdToSource.containsKey(soundId)) return;
int sourceId = soundIdToSource.get(soundId);
AL10.alSource3f(
sourceId,
AL10.AL_POSITION,
MathUtils.cos((pan - 1) * MathUtils.PI / 2),
0,
MathUtils.sin((pan + 1) * MathUtils.PI / 2));
AL10.alSourcef(sourceId, AL10.AL_GAIN, volume);
}
@Override
public long loop(float volume) {
if (audio.noDevice) return 0;
int sourceID = audio.obtainSource(false);
if (sourceID == -1) return -1;
long soundId = audio.getSoundId(sourceID);
alSourcei(sourceID, AL_BUFFER, bufferID);
alSourcei(sourceID, AL_LOOPING, AL_TRUE);
alSourcef(sourceID, AL_GAIN, volume);
alSourcePlay(sourceID);
return soundId;
}
/**
* Set the music volume of the current playing music. Does NOT affect the global volume
*
* @param volume The volume for the current playing music
*/
public void setCurrentMusicVolume(float volume) {
if (volume < 0) {
volume = 0;
}
if (volume > 1) {
volume = 1;
}
if (soundWorks) {
lastCurrentMusicVolume = volume;
AL10.alSourcef(sources.get(0), AL10.AL_GAIN, lastCurrentMusicVolume * musicVolume);
}
}
/**
* Play the specified buffer as a sound effect with the specified pitch and gain.
*
* @param buffer The ID of the buffer to play
* @param pitch The pitch to play at
* @param gain The gain to play at
* @param loop True if the sound should loop
* @param x The x position to play the sound from
* @param y The y position to play the sound from
* @param z The z position to play the sound from
* @return source The source that will be used
*/
int playAsSoundAt(int buffer, float pitch, float gain, boolean loop, float x, float y, float z) {
gain *= soundVolume;
if (gain == 0) {
gain = 0.001f;
}
if (soundWorks) {
if (sounds) {
int nextSource = findFreeSource();
if (nextSource == -1) {
return -1;
}
AL10.alSourceStop(sources.get(nextSource));
AL10.alSourcei(sources.get(nextSource), AL10.AL_BUFFER, buffer);
AL10.alSourcef(sources.get(nextSource), AL10.AL_PITCH, pitch);
AL10.alSourcef(sources.get(nextSource), AL10.AL_GAIN, gain);
AL10.alSourcei(
sources.get(nextSource), AL10.AL_LOOPING, loop ? AL10.AL_TRUE : AL10.AL_FALSE);
sourcePos.clear();
sourceVel.clear();
sourceVel.put(new float[] {0, 0, 0});
sourcePos.put(new float[] {x, y, z});
sourcePos.flip();
sourceVel.flip();
AL10.alSourcefv(sources.get(nextSource), AL10.AL_POSITION, sourcePos);
AL10.alSourcefv(sources.get(nextSource), AL10.AL_VELOCITY, sourceVel);
AL10.alSourcePlay(sources.get(nextSource));
return nextSource;
}
}
return -1;
}
public long play(float volume) {
if (audio.noDevice) return 0;
int sourceID = audio.obtainSource(false);
if (sourceID == -1) {
// Attempt to recover by stopping the least recently played sound
audio.retain(this, true);
sourceID = audio.obtainSource(false);
} else audio.retain(this, false);
// In case it still didn't work
if (sourceID == -1) return -1;
long soundId = audio.getSoundId(sourceID);
alSourcei(sourceID, AL_BUFFER, bufferID);
alSourcei(sourceID, AL_LOOPING, AL_FALSE);
alSourcef(sourceID, AL_GAIN, volume);
alSourcePlay(sourceID);
return soundId;
}
public void writeSamples(byte[] data, int offset, int length) {
if (length < 0) throw new IllegalArgumentException("length cannot be < 0.");
if (sourceID == -1) {
sourceID = audio.obtainSource(true);
if (sourceID == -1) return;
if (buffers == null) {
buffers = BufferUtils.createIntBuffer(bufferCount);
alGenBuffers(buffers);
if (alGetError() != AL_NO_ERROR)
throw new GdxRuntimeException("Unabe to allocate audio buffers.");
}
alSourcei(sourceID, AL_LOOPING, AL_FALSE);
alSourcef(sourceID, AL_GAIN, volume);
// Fill initial buffers.
int queuedBuffers = 0;
for (int i = 0; i < bufferCount; i++) {
int bufferID = buffers.get(i);
int written = Math.min(bufferSize, length);
tempBuffer.clear();
tempBuffer.put(data, offset, written).flip();
alBufferData(bufferID, format, tempBuffer, sampleRate);
alSourceQueueBuffers(sourceID, bufferID);
length -= written;
offset += written;
queuedBuffers++;
}
// Queue rest of buffers, empty.
tempBuffer.clear().flip();
for (int i = queuedBuffers; i < bufferCount; i++) {
int bufferID = buffers.get(i);
alBufferData(bufferID, format, tempBuffer, sampleRate);
alSourceQueueBuffers(sourceID, bufferID);
}
alSourcePlay(sourceID);
isPlaying = true;
}
while (length > 0) {
int written = fillBuffer(data, offset, length);
length -= written;
offset += written;
}
}
public void setVolume(float volume) {
this.volume = volume;
if (sourceID != -1) alSourcef(sourceID, AL_GAIN, volume);
}
/**
* Set the pitch at which the current music is being played
*
* @param pitch The pitch at which the current music is being played
*/
public void setMusicPitch(float pitch) {
if (soundWorks) {
AL10.alSourcef(sources.get(0), AL10.AL_PITCH, pitch);
}
}
public void setSoundPitch(long soundId, float pitch) {
if (!soundIdToSource.containsKey(soundId)) return;
int sourceId = soundIdToSource.get(soundId);
AL10.alSourcef(sourceId, AL10.AL_PITCH, pitch);
}
public Sound(String filename, int type, boolean loop, float volume, float pitch) {
String[] split = filename.split("/");
System.out.println("loading " + split[split.length - 1]);
try {
AL10.alGetError();
} catch (UnsatisfiedLinkError e) {
Logger.info("Seems no AL sound device has been created... creating now", "Utility.loadWav");
try {
AL.create();
} catch (LWJGLException e1) {
Logger.log(e1, "Utility.loadWav", "Unable to create AL sound device");
return;
}
}
this.buf = AL10.alGenBuffers();
if (AL10.alGetError() != AL10.AL_NO_ERROR) {
Logger.error(Utility.getALErrorString(AL10.alGetError()), "Sound.Sound");
}
if (filename.endsWith(".wav")) {
try {
WaveData waveFile = WaveData.create(new BufferedInputStream(new FileInputStream(filename)));
System.out.println(waveFile == null);
AL10.alBufferData(this.buf, waveFile.format, waveFile.data, waveFile.samplerate);
waveFile.dispose();
} catch (FileNotFoundException e) {
Logger.log(e, "Sound.Sound");
return;
}
} else if (filename.endsWith(".ogg") || filename.endsWith(".vorbis")) {
try {
OggDecoder oggDecoder = new OggDecoder();
OggData oggData =
oggDecoder.getData(new BufferedInputStream(new FileInputStream(filename)));
AL10.alBufferData(
this.buf,
oggData.channels > 1 ? AL10.AL_FORMAT_STEREO16 : AL10.AL_FORMAT_MONO16,
oggData.data,
oggData.rate);
} catch (FileNotFoundException e) {
Logger.log(e, "Sound.Sound");
return;
} catch (IOException e) {
Logger.log(e, "Sound.Sound");
return;
}
}
this.src = AL10.alGenSources();
if (AL10.alGetError() != AL10.AL_NO_ERROR) {
Logger.error(Utility.getALErrorString(AL10.alGetError()), "Utility.loadWav");
return;
}
AL10.alSourcei(this.src, AL10.AL_BUFFER, this.buf);
AL10.alSourcef(this.src, AL10.AL_PITCH, pitch);
AL10.alSourcef(this.src, AL10.AL_GAIN, volume);
FloatBuffer sourcePos =
(FloatBuffer) BufferUtils.createFloatBuffer(3).put(new float[] {0.0f, 0.0f, 0.0f}).rewind();
FloatBuffer sourceVel =
(FloatBuffer) BufferUtils.createFloatBuffer(3).put(new float[] {0.0f, 0.0f, 0.0f}).rewind();
AL10.alSource(this.src, AL10.AL_POSITION, sourcePos);
AL10.alSource(this.src, AL10.AL_VELOCITY, sourceVel);
this.type = type;
this.setLoop(loop);
this.setPitch(pitch);
this.setVolume(volume);
Globals.addVolumeChangedListener(this);
}
/** Runs the actual test, using supplied arguments */
protected void execute(String[] args) {
if (args.length < 1) {
System.out.println("no argument supplied, assuming Footsteps.wav");
args = new String[] {"Footsteps.wav"};
}
try {
setDisplayMode();
Display.create();
} catch (Exception e) {
e.printStackTrace();
}
int lastError;
Vector3f sourcePosition = new Vector3f();
Vector3f listenerPosition = new Vector3f();
// initialize keyboard
try {
Keyboard.create();
} catch (Exception e) {
e.printStackTrace();
exit(-1);
}
// create 1 buffer and 1 source
IntBuffer buffers = BufferUtils.createIntBuffer(1);
IntBuffer sources = BufferUtils.createIntBuffer(1);
// al generate buffers and sources
buffers.position(0).limit(1);
AL10.alGenBuffers(buffers);
if ((lastError = AL10.alGetError()) != AL10.AL_NO_ERROR) {
exit(lastError);
}
sources.position(0).limit(1);
AL10.alGenSources(sources);
if ((lastError = AL10.alGetError()) != AL10.AL_NO_ERROR) {
exit(lastError);
}
// load wave data
WaveData wavefile = WaveData.create(args[0]);
// copy to buffers
AL10.alBufferData(buffers.get(0), wavefile.format, wavefile.data, wavefile.samplerate);
if ((lastError = AL10.alGetError()) != AL10.AL_NO_ERROR) {
exit(lastError);
}
// unload file again
wavefile.dispose();
// set up source input
AL10.alSourcei(sources.get(0), AL10.AL_BUFFER, buffers.get(0));
if ((lastError = AL10.alGetError()) != AL10.AL_NO_ERROR) {
exit(lastError);
}
AL10.alSourcef(sources.get(0), AL10.AL_REFERENCE_DISTANCE, 1024.0f);
AL10.alSourcef(sources.get(0), AL10.AL_ROLLOFF_FACTOR, 0.5f);
// lets loop the sound
AL10.alSourcei(sources.get(0), AL10.AL_LOOPING, AL10.AL_TRUE);
if ((lastError = AL10.alGetError()) != AL10.AL_NO_ERROR) {
exit(lastError);
}
// play source 0
AL10.alSourcePlay(sources.get(0));
if ((lastError = AL10.alGetError()) != AL10.AL_NO_ERROR) {
exit(lastError);
}
System.out.println(
"Move source with arrow keys\nMove listener with right shift and arrowkeys\nExit with ESC");
while (!Keyboard.isKeyDown(Keyboard.KEY_ESCAPE)) {
Display.update();
Keyboard.poll();
if (Keyboard.isKeyDown(Keyboard.KEY_LEFT)) {
if (Keyboard.isKeyDown(Keyboard.KEY_RSHIFT)) {
listenerPosition.x -= MOVEMENT;
AL10.alListener3f(
AL10.AL_POSITION, listenerPosition.x, listenerPosition.y, listenerPosition.z);
System.out.println("listenerx: " + listenerPosition.x);
} else {
sourcePosition.x -= MOVEMENT;
AL10.alSource3f(
sources.get(0),
AL10.AL_POSITION,
sourcePosition.x,
sourcePosition.y,
sourcePosition.z);
System.out.println("sourcex: " + sourcePosition.x);
}
}
if (Keyboard.isKeyDown(Keyboard.KEY_RIGHT)) {
if (Keyboard.isKeyDown(Keyboard.KEY_RSHIFT)) {
listenerPosition.x += MOVEMENT;
AL10.alListener3f(
AL10.AL_POSITION, listenerPosition.x, listenerPosition.y, listenerPosition.z);
System.out.println("listenerx: " + listenerPosition.x);
} else {
sourcePosition.x += MOVEMENT;
AL10.alSource3f(
sources.get(0),
AL10.AL_POSITION,
sourcePosition.x,
sourcePosition.y,
sourcePosition.z);
System.out.println("sourcex: " + sourcePosition.x);
}
}
if (Display.isCloseRequested()) {
break;
}
try {
Thread.sleep(100);
} catch (InterruptedException inte) {
}
}
// stop source 0
AL10.alSourceStop(sources.get(0));
if ((lastError = AL10.alGetError()) != AL10.AL_NO_ERROR) {
exit(lastError);
}
// delete buffers and sources
sources.position(0).limit(1);
AL10.alDeleteSources(sources);
if ((lastError = AL10.alGetError()) != AL10.AL_NO_ERROR) {
exit(lastError);
}
buffers.position(0).limit(1);
AL10.alDeleteBuffers(buffers);
if ((lastError = AL10.alGetError()) != AL10.AL_NO_ERROR) {
exit(lastError);
}
// shutdown
alExit();
}
public void setSoundGain(long soundId, float volume) {
if (!soundIdToSource.containsKey(soundId)) return;
int sourceId = soundIdToSource.get(soundId);
AL10.alSourcef(sourceId, AL10.AL_GAIN, volume);
}
public void setPitch(float pitch) {
AL10.alSourcef(this.src, AL10.AL_PITCH, pitch);
}
