Function UpdateSourceProps

Engine/lib/openal-soft/al/source.cpp:97–176

void UpdateSourceProps(const ALsource *source, Voice *voice, ALCcontext *context)
{
    /* Get an unused property container, or allocate a new one as needed. */
    VoicePropsItem *props{context->mFreeVoiceProps.load(std::memory_order_acquire)};
    if(!props)
        props = new VoicePropsItem{};
    else
    {
        VoicePropsItem *next;
        do {
            next = props->next.load(std::memory_order_relaxed);
        } while(context->mFreeVoiceProps.compare_exchange_weak(props, next,
                std::memory_order_acq_rel, std::memory_order_acquire) == 0);
    }

    props->Pitch = source->Pitch;
    props->Gain = source->Gain;
    props->OuterGain = source->OuterGain;
    props->MinGain = source->MinGain;
    props->MaxGain = source->MaxGain;
    props->InnerAngle = source->InnerAngle;
    props->OuterAngle = source->OuterAngle;
    props->RefDistance = source->RefDistance;
    props->MaxDistance = source->MaxDistance;
    props->RolloffFactor = source->RolloffFactor;
    props->Position = source->Position;
    props->Velocity = source->Velocity;
    props->Direction = source->Direction;
    props->OrientAt = source->OrientAt;
    props->OrientUp = source->OrientUp;
    props->HeadRelative = source->HeadRelative;
    props->mDistanceModel = source->mDistanceModel;
    props->mResampler = source->mResampler;
    props->DirectChannels = source->DirectChannels;
    props->mSpatializeMode = source->mSpatialize;

    props->DryGainHFAuto = source->DryGainHFAuto;
    props->WetGainAuto = source->WetGainAuto;
    props->WetGainHFAuto = source->WetGainHFAuto;
    props->OuterGainHF = source->OuterGainHF;

    props->AirAbsorptionFactor = source->AirAbsorptionFactor;
    props->RoomRolloffFactor = source->RoomRolloffFactor;
    props->DopplerFactor = source->DopplerFactor;

    props->StereoPan = source->StereoPan;

    props->Radius = source->Radius;

    props->Direct.Gain = source->Direct.Gain;
    props->Direct.GainHF = source->Direct.GainHF;
    props->Direct.HFReference = source->Direct.HFReference;
    props->Direct.GainLF = source->Direct.GainLF;
    props->Direct.LFReference = source->Direct.LFReference;

    auto copy_send = [](const ALsource::SendData &srcsend) noexcept -> VoiceProps::SendData
    {
        VoiceProps::SendData ret{};