Method Update

BG3Extender/Extender/Client/IMGUI/IMGUI.cpp:2126–2181

}

void IMGUIManager::Update()
{
    if (!enableUI_
        || !initialized_
        || !objects_
        || !renderer_->IsInitialized()) {

        IMGUI_FRAME_DEBUG("Skip drawing - enableUI %d, initialized %d, objects %d, rendererInitialized %d",
            enableUI_ ? 1 : 0, initialized_ ? 1 : 0, objects_ ? 1 : 0, renderer_->IsInitialized() ? 1 : 0);
        frameNo_++;
        return;
    }

    OPTICK_EVENT("IMGUI Update");
    if (scale_ != requestedScale_ 
        || uiScaleMultiplier_ != requestedUiScaleMultiplier_
        || fontScaleMultiplier_ != requestedFontScaleMultiplier_) {
        UpdateStyle();
    }

    {
        OPTICK_EVENT("SDL New Frame", Optick::Category::Rendering);
        std::lock_guard _(sdl_.GetSDLMutex());
        sdl_.NewFrame();
    }

    auto defaultFont = GetFont(GFS.strMedium);
    if (defaultFont != nullptr && defaultFont->Font != nullptr) {
        ImGui::GetIO().FontDefault = defaultFont->Font;
    }

    if (frameNo_ == 0) {
        IMGUI_DEBUG("Draw initial frame");
    }

    frameNo_++;

    textureLoader_.Update();
    renderer_->NewFrame();
    ImGui::NewFrame();

    DrawingContext dc{
        .UIScale = scale_
    };
    objects_->Render(dc);
    se_assert(dc.ScalingStack.empty());

    {
        OPTICK_EVENT("IMGUI Render", Optick::Category::Rendering);
        ImGui::Render();
    }

    renderer_->FinishFrame();

    objects_->ClientUpdate();
}

void IMGUITextureLoader::BindRenderer(RenderingBackend* renderer)