GetExtraAxisIndexes

HRESULT GetExtraAxisIndexes(
    GameInputKind inputKind,
    uint32_t extraAxisCount,
    uint8_t* extraAxisIndexes
);

bool GetGamepadExtraAxisValues(
    std::vector<float>* extraAxes,
    IGameInputReading* reading) noexcept
{
    Mwrl::ComPtr<IGameInputDevice> device;
    reading->GetDevice(&device);

    uint32_t extraAxisCount = 0;
    if (FAILED(device->GetExtraAxisCount(GameInputKindGamepad, &extraAxisCount)))
    {
        return false;
    }

    std::vector<uint8_t> axisIndexes(extraAxisCount);
    extraAxes->resize(extraAxisCount);
    if (FAILED(device->GetExtraAxisIndexes(
        GameInputKindGamepad,
        extraAxisCount,
        axisIndexes.data())))
    {
        return false;
    }

    std::vector<float> axisStates(reading->GetControllerAxisCount());
    reading->GetControllerAxisState(static_cast<uint32_t>(axisStates.size()), axisStates.data());

    for (size_t i = 0; i < axisIndexes.size(); ++i)
    {
        if (axisIndexes[i] < axisStates.size())
        {
            (*extraAxes)[i] = axisStates[axisIndexes[i]];
        }
    }

    return true;
}