Function UpdateSourceProps

3rdparty/openal/al/source.cpp:105–189

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)
    {
        context->allocVoiceProps();
        props = context->mFreeVoiceProps.load(std::memory_order_acquire);
    }
    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) == false);

    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
#ifdef ALSOFT_EAX
        + source->RolloffFactor2
#endif
    ;
    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->EnhWidth = source->EnhWidth;

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