bool Audio::initialize()
{
if(m_initialized)
{
return false;
}
m_device = alcOpenDevice(NULL);
if(!m_device)
{
Utilities::printDebugString("[Gamma::Audio::Audio] Couldn't open an OpenAL device.\n");
return false;
}
m_context = alcCreateContext(m_device, NULL);
if(!m_context)
{
Utilities::printDebugString("[Gamma::Audio::Audio] Couldn't create an OpenAL context.\n");
alcCloseDevice(m_device);
return false;
}
if(!alcMakeContextCurrent(m_context))
{
Utilities::printDebugString("[Gamma::Audio::Audio] Couldn't activate the OpenAL context.\n");
alcDestroyContext(m_context);
alcCloseDevice(m_device);
return false;
}
else
{
m_initialized = true;
}
// Set up the listener.
setListenerPosition(Math::Vector3(0.0f, 0.0f, 0.0f));
setListenerVelocity(Math::Vector3(0.0f, 0.0f, 0.0f));
setListenerOrientation(Math::Vector3(0.0f, 0.0f, 1.0f), Math::Vector3(0.0f, 1.0f, 0.0f));
return true;
}
CarSoundData::CarSoundData(int id, SoundInterface* sound_interface)
{
eng_pri.id = id;
eng_pri.a = 1.0f;
engine.a = 0.0f;
engine.f = 1.0f;
engine.lp = 1.0f;
smooth_accel = 0.0f;
drag_collision.a = 0.0f;
drag_collision.f = 0.0f;
pre_axle = 0.0f;
axle.a = 0.0f;
axle.f = 0.0f;
turbo.a = 0.0f;
turbo.f = 0.0f;
engine_backfire.a=0.0f;
prev_gear = 0;
gear_changing = false;
bottom_crash = false;
bang = false;
crash = false;
turbo_on = false;
turbo_ilag = 0.05f;
turbo_rpm = 0.0f;
this->sound_interface = sound_interface;
for (int i=0; i<4; i++) {
for (int j=0; j<3; j++) {
wheel[i].p[j] = 0.0f;
wheel[i].u[j] = 0.0f;
}
wheel[i].skid.a = 0.0f;
wheel[i].skid.f = 1.0f;
}
sgVec3 zeroes = {0.0f, 0.0f, 0.0f};
setCarPosition(zeroes);
setCarSpeed(zeroes);
setListenerPosition(zeroes);
attenuation = 0.0f;
}
//------------------------------------------------------------------------------
void AudioSystem::update(sf::Time delta)
{
if(r_listenerEntity != nullptr)
{
if(r_listenerEntity->transform())
{
setListenerPosition(r_listenerEntity->transform()->position());
}
}
// Iterate over a copy to avoid concurrent modification
auto updateList = m_emitters;
for(auto it = updateList.begin(); it != updateList.end(); ++it)
{
AudioEmitter & cmp = **it;
if(cmp.entity().active())
{
cmp.update();
}
}
// music.update(delta);
}
AudioSystem::AudioSystem()
{
setListenerPosition(sf::Vector2f(0,0));
setListenerDepth(1);
m_sources.resize(DEFAULT_SOURCES_COUNT);
}
