DsVolume OpenALAudio::get_loop_wav_volume(int id)
{
StreamContext *sc;
StreamMap::const_iterator itr;
float position[3];
float gain;
if (!this->wav_init_flag)
return DsVolume(0, 0);
itr = this->streams.find(id);
if (itr == this->streams.end())
return DsVolume(0, 0);
sc = itr->second;
alGetSourcef(sc->source, AL_GAIN, &gain);
alGetSourcefv(sc->source, AL_POSITION, position);
if (sc->fade_frames != 0)
gain *= 1.f - float(sc->fade_frames_played) / sc->fade_frames;
return DsVolume(ratio_to_millibels(gain),
(long)((position[0] / PANNING_MAX_X) * 10000.f + .5f)); // (long) cast fixes warning.
}
// -------- begin of function Music::change_volume --------//
void Music::change_volume(int vol)
{
if( !init_flag )
return;
if( is_playing() )
{
AbsVolume absv(vol,0);
audio.volume_long_wav(music_channel, DsVolume(absv));
}
}
// -------- begin of function Music::change_volume --------//
void Music::change_volume(int vol)
{
if( !init_flag )
return;
if( is_playing() )
{
if( play_type & MUSIC_PLAY_CD )
{
audio.set_cd_volume(vol);
}
else
{
AbsVolume absv(vol,0);
audio.volume_long_wav(music_channel, DsVolume(absv));
}
}
}
