main (build_soundbank.cpp):
Check arguments
Add search paths
Init sheet_id.bin without sheet (NLMISC::CSheetId::initWithoutSheet())
UAudioMixer::buildSoundBank (audio_mixer_user.cpp)
UAudioMixer::buildSoundBank (audio_mixer_user.cpp):
Create new sound bank
Load directory (CSoundBank::load / )
Return path to sounds.packed_sheets