Method Initialize

Engine/Editor/Source/UI/EditorUI.cpp:419–542

            if (bIsKeyEvent && IO.WantCaptureKeyboard)
            {
                return true;
            }
        }

        for (FEditorTool* Tool : EditorTools)
        {
            if (Tool->OnEvent(Event))
            {
                return true;
            }
        }

        return false;
    }

    void FEditorUI::Initialize(const FUpdateContext& UpdateContext)
    {
        ImGuiContext* Context = Render().GetImGuiRenderer()->GetImGuiContext();
        ImPlotContext* PlotContext = Render().GetImGuiRenderer()->GetImPlotContext();
        ImGui::SetCurrentContext(Context);
        ImPlot::SetCurrentContext(PlotContext);

        // Editor links its own ImGui copy; install allocator here because StartupModule never runs (editor links directly, not LoadModule'd).
        ImGuiX::InstallImGuiAllocator();

        // Plugin DLLs each link their own ImGui copy too; hand the contexts to the module manager so it
        // syncs every already-loaded plugin that opted in via LUMINA_MODULE_IMGUI() (and ones loaded later).
        FModuleManager::Get().NotifyImGuiReady(Context, PlotContext);

        // Init ThumbnailManager before world load so engine primitive meshes are in the transient package before deserialization.
        (void)CThumbnailManager::Get();

        // Content-browser tiles that draw their own body (curves, etc) instead of a rendered thumbnail.
        AssetTilePainters::RegisterBuiltin();

        // A reimported texture keeps its bindless slot (RHI::Textures::Recreate repoints it), so materials
        // sampling it are already correct. What is NOT correct is a material whose block was baked while
        // that texture had no valid ResourceID -- it holds the fallback and nothing would ever rewrite it.
        AssetDataChangedHandle = AssetEvents::OnAssetDataChanged().AddLambda([](CObject* Changed)
        {
            if (const CTexture* Texture = Cast<CTexture>(Changed))
            {
                const uint32 Refreshed = RefreshMaterialsReferencingTexture(Texture);
                if (Refreshed > 0)
                {
                    LOG_INFO("Refreshed texture bindings on {} material(s) after '{}' changed.",
                             Refreshed, Texture->GetName().c_str());
                }
            }
        });

        // Editor owns input until the user hits Play (the registry flag defaults true so packaged builds work).
        FInputViewportRegistry::Get().SetGameInputFocused(false);

        RegisterBuiltinEditorTools();
        RegisterBuiltinAssetActions();

        PropertyCustomizationRegistry = Memory::New<FPropertyCustomizationRegistry>();