diff options
| -rw-r--r-- | engines/lab/lab.cpp | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/engines/lab/lab.cpp b/engines/lab/lab.cpp index e942617a26..815053e71e 100644 --- a/engines/lab/lab.cpp +++ b/engines/lab/lab.cpp @@ -221,7 +221,12 @@ void LabEngine::drawStaticMessage(byte index) { } void LabEngine::changeVolume(int delta) { - warning("STUB: changeVolume()"); + int sfxPrev = _mixer->getVolumeForSoundType(Audio::Mixer::kSFXSoundType); + int musicPrev = _mixer->getVolumeForSoundType(Audio::Mixer::kMusicSoundType); + int sfxNew = (delta > 0) ? MIN<int>(sfxPrev + 10, Audio::Mixer::kMaxMixerVolume) : MAX<int>(sfxPrev - 10, 0); + int musicNew = (delta > 0) ? MIN<int>(musicPrev + 10, Audio::Mixer::kMaxMixerVolume) : MAX<int>(musicPrev - 10, 0); + _mixer->setVolumeForSoundType(Audio::Mixer::kSFXSoundType, sfxNew); + _mixer->setVolumeForSoundType(Audio::Mixer::kMusicSoundType, musicNew); } void LabEngine::waitTOF() { |