SoundManager::SoundManager()
: device(0), context(0), sound_enabled(false), music_source(0),
music_enabled(true)
{
try {
device = alcOpenDevice(0);
if(device == 0) {
print_openal_version();
throw std::runtime_error("Couldn't open audio device.");
}
int attributes[] = { 0 };
context = alcCreateContext(device, attributes);
check_alc_error("Couldn't create audio context: ");
alcMakeContextCurrent(context);
check_alc_error("Couldn't select audio context: ");
check_al_error("Audio error after init: ");
sound_enabled = true;
} catch(std::exception& e) {
device = 0;
context = 0;
log_warning << "Couldn't initialize audio device:" << e.what() << std::endl;
print_openal_version();
throw e;
}
}
bool system::init()
{
if(m_d->m_pDevice) {
return true;
}
m_d->m_pDevice = alcOpenDevice(NULL);
if(!m_d->m_pDevice) {
std::cerr << "Default sound device not present" << std::endl;
return false;
}
m_d->m_pContext = alcCreateContext(m_d->m_pDevice, NULL);
if(!check_alc_error()) {
return false;
}
alcMakeContextCurrent(m_d->m_pContext);
ALfloat ListenerPos[] = { 0.0, 0.0, 0.0 };
ALfloat ListenerVel[] = { 0.0, 0.0, 0.0 };
ALfloat ListenerOri[] = { 1.0, 1.0, 0.0, 0.0, 0.0, 1.0 };
alListenerfv(AL_POSITION, ListenerPos);
alListenerfv(AL_VELOCITY, ListenerVel);
alListenerfv(AL_ORIENTATION, ListenerOri);
return true;
}
void
SoundManager::update()
{
static float lasttime = real_time;
if(real_time - lasttime < 0.3)
return;
lasttime = real_time;
// update and check for finished sound sources
for(SoundSources::iterator i = sources.begin(); i != sources.end(); ) {
SoundSource* source = *i;
source->update();
if(!source->playing()) {
delete source;
i = sources.erase(i);
} else {
++i;
}
}
// check streaming sounds
if(music_source) {
music_source->update();
}
alcProcessContext(context);
check_alc_error("Error while processing audio context: ");
}
void
SoundManager::update()
{
if (!sound_enabled)
return;
// check for finished sound sources
for(SoundSources::iterator i = sources.begin(); i != sources.end(); ) {
SoundSource* source = *i;
if(!source->playing()) {
delete source;
i = sources.erase(i);
} else {
++i;
}
}
// check streaming sounds
if(music_source) {
music_source->update();
}
if(next_music_source && (!music_source || !music_source->playing())) {
delete music_source;
music_source = next_music_source;
//music_source->setFading(StreamSoundSource::FadingOn, 1.0f);
music_source->play();
next_music_source = 0;
}
alcProcessContext(context);
check_alc_error("Error while processing audio context: ");
}
SoundManager::SoundManager() :
device(0),
context(0),
sound_enabled(false),
buffers(),
sources(),
update_list(),
music_source(0),
music_enabled(false),
current_music()
{
try {
device = alcOpenDevice(0);
if (device == NULL) {
throw std::runtime_error("Couldn't open audio device.");
}
int attributes[] = { 0 };
context = alcCreateContext(device, attributes);
check_alc_error("Couldn't create audio context: ");
alcMakeContextCurrent(context);
check_alc_error("Couldn't select audio context: ");
check_al_error("Audio error after init: ");
sound_enabled = true;
music_enabled = true;
} catch(std::exception& e) {
if(context != NULL) {
alcDestroyContext(context);
context = NULL;
}
if(device != NULL) {
alcCloseDevice(device);
device = NULL;
}
log_warning << "Couldn't initialize audio device: " << e.what() << std::endl;
print_openal_version();
}
}
void
SoundManager::update()
{
static Uint32 lasttime = SDL_GetTicks();
Uint32 now = SDL_GetTicks();
if(now - lasttime < 300)
return;
lasttime = now;
// update and check for finished sound sources
for(SoundSources::iterator i = sources.begin(); i != sources.end(); ) {
OpenALSoundSource* source = *i;
source->update();
if(!source->playing()) {
delete source;
i = sources.erase(i);
} else {
++i;
}
}
// check streaming sounds
if(music_source) {
music_source->update();
}
if (context)
{
alcProcessContext(context);
check_alc_error("Error while processing audio context: ");
}
//run update() for stream_sound_source
StreamSoundSources::iterator s = update_list.begin();
while( s != update_list.end() ){
(*s)->update();
s++;
}
}