Utils::Ticket<AudioWorld> AudioWorld::playSound(Handle::SfxHandle h, const Math::float3& position, bool relative, float maxDist)
{
#ifdef RE_USE_SOUND
if (!m_Context)
return Utils::Ticket<AudioWorld>();
alcMakeContextCurrent(m_Context);
Sound& snd = m_Allocator.getElement(h);
// Get a cached source object
Source s = getFreeSource();
//LogInfo() << "play sound " << snd.sfx.file << " vol " << snd.sfx.vol;
alSourcef(s.m_Handle, AL_PITCH, m_Engine.getGameClock().getGameEngineSpeedFactor());
alSourcef(s.m_Handle, AL_GAIN, snd.sfx.vol / 127.0f);
alSource3f(s.m_Handle, AL_POSITION, position.x, position.y, position.z);
alSource3f(s.m_Handle, AL_VELOCITY, 0, 0, 0);
alSourcef(s.m_Handle, AL_MAX_DISTANCE, maxDist);
// Relative for sources directly attached to the listener
alSourcei(s.m_Handle, AL_SOURCE_RELATIVE, relative ? AL_TRUE : AL_FALSE);
// TODO: proper looping would require slicing and queueing multiple buffers
// and setting the source to loop when the non-looping buffer was played.
// start and end don't seem to be used, thoug?
alSourcei(s.m_Handle, AL_LOOPING, snd.sfx.loop ? AL_TRUE : AL_FALSE);
alSourcei(s.m_Handle, AL_BUFFER, snd.m_Handle);
ALenum error = alGetError();
if (error != AL_NO_ERROR)
{
static bool warned = false;
if (!warned)
{
LogWarn() << "Could not attach buffer to source: " << AudioEngine::getErrorString(error);
warned = true;
}
return Utils::Ticket<AudioWorld>();
}
alSourcePlay(s.m_Handle);
error = alGetError();
if (error != AL_NO_ERROR)
{
static bool warned = false;
if (!warned)
{
LogWarn() << "Could not start source!" << AudioEngine::getErrorString(error);
warned = true;
}
return Utils::Ticket<AudioWorld>();
}
return s.soundTicket;
#else
return Utils::Ticket<AudioWorld>();
#endif
}
void AudioDevice::play(const SoundBuffer& sound, double volume, double pitch) {
RecursiveLock lock(mutex);
if (auto source = getFreeSource()) {
ALint state = 0;
AL(alGetSourcei(*source, AL_SOURCE_STATE, &state));
CHECK(state == AL_INITIAL) << state;
AL(alSourcei(*source, AL_BUFFER, sound.getBufferId()));
AL(alSourcef(*source, AL_PITCH, pitch));
AL(alSourcef(*source, AL_GAIN, volume));
AL(alSourcePlay(*source));
}
}
