buffer rewrite

static void D3DActionLoop(const Zones::ZoneFunctions * functions, std::function<HRESULT(ID3D11Device * device)> callback)
{
    if (!functions->T6.device)
        return;

    while (true)
    {
        HRESULT err;
        auto alwaysFails = functions->T6.alwaysfails;

        err = callback(*functions->T6.device);
        if (!FAILED(err))
            return;

        LogWarn("D3D11 action failed. Error: %xu", err);

        if (!alwaysFails)
            break;

        if ((alwaysFails) && (*alwaysFails == 0))
            break;
    }
}

void R_LoadIndexBuffer(const Zones::ZoneFunctions * functions, ID3D11Buffer **ib, int size, const void *data)
{
    D3DActionLoop(functions, [size, data, ib](ID3D11Device * device)
    {
        D3D11_BUFFER_DESC bufferDesc    = { 0 };
        D3D11_SUBRESOURCE_DATA initData = { 0 };

        initData.pSysMem          = data;
        initData.SysMemPitch      = 0;
        initData.SysMemSlicePitch = 0;


        bufferDesc.Usage          = D3D11_USAGE_DEFAULT;
        bufferDesc.ByteWidth      = size * sizeof(uint16_t);
        bufferDesc.BindFlags      = D3D11_BIND_INDEX_BUFFER;
        bufferDesc.CPUAccessFlags = 0;
        bufferDesc.MiscFlags      = 0;

        return device->CreateBuffer(&bufferDesc, &initData, ib);
    });
}

void R_LoadVertexBuffer(const Zones::ZoneFunctions * functions, ID3D11Buffer **ib, int sizeInBytes, const void *data)
{
    D3DActionLoop(functions, [sizeInBytes, data, ib](ID3D11Device * device)
    {
        D3D11_BUFFER_DESC bufferDesc    = { 0 };
        D3D11_SUBRESOURCE_DATA initData = { 0 };

        initData.pSysMem          = data;
        initData.SysMemPitch      = 0;
        initData.SysMemSlicePitch = 0;


        bufferDesc.Usage          = D3D11_USAGE_DEFAULT;
        bufferDesc.ByteWidth      = sizeInBytes;
        bufferDesc.BindFlags      = D3D11_BIND_VERTEX_BUFFER;
        bufferDesc.CPUAccessFlags = 0;
        bufferDesc.MiscFlags      = 0;

        return device->CreateBuffer(&bufferDesc, &initData, ib);
    });
}