Skip viewport render during preloader

Reset screen to a nice background colour

src/openrct2-ui/windows/Main.cpp

@@ -46,6 +46,10 @@ static Widget _mainWidgets[] = {
 
         void OnDraw(DrawPixelInfo& dpi) override
         {
+            // Skip viewport render during preloader
+            if (GetContext()->GetActiveScene() == GetContext()->GetPreloaderScene())
+                return;
+
             ViewportRender(dpi, viewport, { { dpi.x, dpi.y }, { dpi.x + dpi.width, dpi.y + dpi.height } });
         }
 

src/openrct2-ui/windows/NetworkStatus.cpp

@@ -117,6 +117,7 @@ static Widget window_network_status_widgets[] = {
         void SetWindowNetworkStatusText(const std::string& text)
         {
             _windowNetworkStatusText = text;
+            Invalidate();
         }
 
         void SetPassword(char* password)

src/openrct2/scenes/preloader/PreloaderScene.cpp

@@ -14,6 +14,8 @@
 #include "../../GameState.h"
 #include "../../OpenRCT2.h"
 #include "../../audio/audio.h"
+#include "../../drawing/IDrawingContext.h"
+#include "../../drawing/IDrawingEngine.h"
 #include "../../interface/Viewport.h"
 #include "../../interface/Window.h"
 #include "../../localisation/LocalisationService.h"
@@ -38,6 +40,11 @@ void PreloaderScene::Load()
     ContextOpenWindow(WindowClass::MainWindow);
     WindowResizeGui(ContextGetWidth(), ContextGetHeight());
 
+    // Reset screen
+    auto* engine = GetContext().GetDrawingEngine();
+    auto* drawingContext = engine->GetDrawingContext();
+    drawingContext->Clear(*engine->GetDrawingPixelInfo(), PALETTE_INDEX_10);
+
     UpdateCaption(STR_LOADING_GENERIC);
 
     LOG_VERBOSE("PreloaderScene::Load() finished");