bool LLAudioChannelOpenAL::updateBuffer()
{
if (LLAudioChannel::updateBuffer())
{
// Base class update returned true, which means that we need to actually
// set up the source for a different buffer.
LLAudioBufferOpenAL *bufferp = (LLAudioBufferOpenAL *)mCurrentSourcep->getCurrentBuffer();
ALuint buffer = bufferp->getBuffer();
alSourcei(mALSource, AL_BUFFER, buffer);
mLastSamplePos = 0;
}
if (mCurrentSourcep)
{
alSourcef(mALSource, AL_GAIN,
mCurrentSourcep->getGain() * getSecondaryGain());
alSourcei(mALSource, AL_LOOPING,
mCurrentSourcep->isLoop() ? AL_TRUE : AL_FALSE);
alSourcef(mALSource, AL_ROLLOFF_FACTOR,
gAudiop->mListenerp->getRolloffFactor());
alSourcef(mALSource, AL_REFERENCE_DISTANCE,
gAudiop->mListenerp->getDistanceFactor());
}
return true;
}
bool LLAudioChannelFMOD::updateBuffer()
{
if (LLAudioChannel::updateBuffer())
{
// Base class update returned true, which means that we need to actually
// set up the channel for a different buffer.
LLAudioBufferFMOD *bufferp = (LLAudioBufferFMOD *)mCurrentSourcep->getCurrentBuffer();
// Grab the FMOD sample associated with the buffer
FSOUND_SAMPLE *samplep = bufferp->getSample();
if (!samplep)
{
// This is bad, there should ALWAYS be a sample associated with a legit
// buffer.
llerrs << "No FMOD sample!" << llendl;
return false;
}
// Actually play the sound. Start it off paused so we can do all the necessary
// setup.
mChannelID = FSOUND_PlaySoundEx(FSOUND_FREE, samplep, FSOUND_DSP_GetSFXUnit(), true);
//llinfos << "Setting up channel " << std::hex << mChannelID << std::dec << llendl;
}
// If we have a source for the channel, we need to update its gain.
if (mCurrentSourcep)
{
// SJB: warnings can spam and hurt framerate, disabling
if (!FSOUND_SetVolume(mChannelID, llround(getSecondaryGain() * mCurrentSourcep->getGain() * 255.0f)))
{
// llwarns << "LLAudioChannelFMOD::updateBuffer error: " << FMOD_ErrorString(FSOUND_GetError()) << llendl;
}
if (!FSOUND_SetLoopMode(mChannelID, mCurrentSourcep->isLoop() ? FSOUND_LOOP_NORMAL : FSOUND_LOOP_OFF))
{
// llwarns << "Channel " << mChannelID << "Source ID: " << mCurrentSourcep->getID()
// << " at " << mCurrentSourcep->getPositionGlobal() << llendl;
// llwarns << "LLAudioChannelFMOD::updateBuffer error: " << FMOD_ErrorString(FSOUND_GetError()) << llendl;
}
}
return true;
}
BOOL LLAudioChannelOpenAL::updateBuffer()
{
if (LLAudioChannel::updateBuffer())
{
// Base class update returned TRUE, which means that we need to actually
// set up the source for a different buffer.
LLAudioBufferOpenAL *bufferp = (LLAudioBufferOpenAL *)mCurrentSourcep->getCurrentBuffer();
alSourcei(ALSource, AL_BUFFER, bufferp->getBuffer());
//alSourcef(ALSource, AL_GAIN, mCurrentSourcep->getGain());
//alSourcei(ALSource, AL_LOOPING, mCurrentSourcep->isLoop() ? AL_TRUE : AL_FALSE);
}
if (mCurrentSourcep)
{
alSourcef(ALSource, AL_GAIN, mCurrentSourcep->getGain());
alSourcef(ALSource, AL_MAX_GAIN, getSecondaryGain());
alSourcei(ALSource, AL_LOOPING, mCurrentSourcep->isLoop() ? AL_TRUE : AL_FALSE);
}
return TRUE;
}
void LLAudioChannelOpenAL::update3DPosition()
{
if(!mCurrentSourcep)
{
return;
}
if (mCurrentSourcep->isAmbient())
{
alSource3f(mALSource, AL_POSITION, 0.0, 0.0, 0.0);
alSource3f(mALSource, AL_VELOCITY, 0.0, 0.0, 0.0);
alSourcei (mALSource, AL_SOURCE_RELATIVE, AL_TRUE);
} else {
LLVector3 float_pos;
float_pos.setVec(mCurrentSourcep->getPositionGlobal());
alSourcefv(mALSource, AL_POSITION, float_pos.mV);
alSourcefv(mALSource, AL_VELOCITY, mCurrentSourcep->getVelocity().mV);
alSourcei (mALSource, AL_SOURCE_RELATIVE, AL_FALSE);
}
alSourcef(mALSource, AL_GAIN, mCurrentSourcep->getGain() * getSecondaryGain());
}