Method LoadConfig

engine/PoseidonOpenAL/SoundSystemOAL.cpp:632–673

    if (preset.flDecayTime < AL_EAXREVERB_MIN_DECAY_TIME)
        preset.flDecayTime = AL_EAXREVERB_MIN_DECAY_TIME;
    if (preset.flDecayTime > AL_EAXREVERB_MAX_DECAY_TIME)
        preset.flDecayTime = AL_EAXREVERB_MAX_DECAY_TIME;

    preset.flDensity = size / 100.0f;
    if (preset.flDensity < AL_EAXREVERB_MIN_DENSITY)
        preset.flDensity = AL_EAXREVERB_MIN_DENSITY;
    if (preset.flDensity > AL_EAXREVERB_MAX_DENSITY)
        preset.flDensity = AL_EAXREVERB_MAX_DENSITY;

    ApplyEFXProperties(_efxEffect, _efxSlot, preset);
    LOG_DEBUG(Audio, "EFX: applied preset '{}' size={}", presetName, size);
    return true;
}

namespace
{
// Path to the system-global audio.cfg.  Lives directly under the
// user-data directory (NOT the per-profile Users/<name>/ subdir) —
// audio is per-machine, not per-game-profile.
std::string AudioConfigPath()
{
    const std::string& dir = GamePaths::Instance().UserDir();
    // GamePaths guarantees a trailing slash.
    return dir + "audio.cfg";
}

// AudioConfig::Environment impl backed by the live audio backend.
// The output side reads from SoundSystemOAL, the input side from
// VoNCapture (the same enumeration the picker UI uses, so a
// user-selected name will round-trip cleanly).
struct LiveAudioEnv : AudioConfig::Environment
{
    const SoundSystemOAL* sys;
    explicit LiveAudioEnv(const SoundSystemOAL* s) : sys(s) {}
    std::vector<std::string> ListOutputDevices() const override
    {
        return sys ? sys->ListOutputDevices() : std::vector<std::string>{};
    }
    std::vector<std::string> ListInputDevices() const override { return VoNCapture::listDevices(); }
};
} // namespace

void SoundSystemOAL::LoadConfig()
{
    const std::string path = AudioConfigPath();