Function getSoundBuffer

src/OpenLoco/src/Audio/Audio.cpp:515–542

    }

    std::optional<BufferId> getSoundBuffer(SoundId id)
    {
        if (isObjectSoundId(id))
        {
            auto sr = _objectSamples.find((uint16_t)id);
            if (sr == _objectSamples.end())
            {
                auto obj = getSoundObject(id);
                if (obj != nullptr)
                {
                    const auto* data = obj->getData();
                    assert(data != nullptr);
                    assert(data->offset == 8);
                    _objectSamples[static_cast<size_t>(id)] = loadSoundFromWaveMemory(data->pcmHeader, data->pcm(), data->length);
                    return _objectSamples[static_cast<size_t>(id)];
                }
            }
            else
            {
                return sr->second;
            }
        }
        else if (static_cast<size_t>(id) < _samples.size())
        {
            return _samples[static_cast<size_t>(id)];
        }
        return std::nullopt;
    }

    AudioHandle play(SoundId id, ChannelId channel, const AudioAttributes& attribs)
    {