Refactor out all uses of gCurrentRotation, remove gCurrentRotation

src/openrct2-ui/WindowManager.cpp

@@ -587,7 +587,7 @@ public:
             mainWindow->viewport_target_sprite = EntityId::GetNull();
             mainWindow->savedViewPos = viewPos;
             viewport->zoom = zoom;
-            gCurrentRotation = rotation;
+            viewport->rotation = rotation;
 
             if (zoomDifference != ZoomLevel{ 0 })
             {

src/openrct2-ui/windows/Main.cpp

@@ -35,8 +35,8 @@ public:
         if (viewport != nullptr)
         {
             SetViewportFlags();
+            viewport->rotation = 0;
         }
-        gCurrentRotation = 0;
         gShowGridLinesRefCount = 0;
         gShowLandRightsRefCount = 0;
         gShowConstructionRightsRefCount = 0;

src/openrct2/interface/Screenshot.cpp

@@ -498,7 +498,7 @@ int32_t CommandLineForScreenshot(const char** argv, int32_t argc, ScreenshotOpti
             auto zoom = ZoomLevel{ customZoom };
             auto rotation = std::atoi(argv[4]) & 3;
             viewport = GetGiantViewport(rotation, zoom);
-            gCurrentRotation = rotation;
+            viewport.rotation = rotation;
         }
         else
         {
@@ -554,7 +554,7 @@ int32_t CommandLineForScreenshot(const char** argv, int32_t argc, ScreenshotOpti
                 viewport.viewPos = { coords2d.x - ((viewport.view_width << customZoom) / 2),
                                      coords2d.y - ((viewport.view_height << customZoom) / 2) };
                 viewport.zoom = ZoomLevel{ static_cast<int8_t>(customZoom) };
-                gCurrentRotation = customRotation;
+                viewport.rotation = customRotation;
             }
             else
             {
@@ -562,7 +562,7 @@ int32_t CommandLineForScreenshot(const char** argv, int32_t argc, ScreenshotOpti
                 viewport.viewPos = { gameState.SavedView
                                      - ScreenCoordsXY{ (viewport.view_width / 2), (viewport.view_height / 2) } };
                 viewport.zoom = gameState.SavedViewZoom;
-                gCurrentRotation = gameState.SavedViewRotation;
+                viewport.rotation = gameState.SavedViewRotation;
             }
         }
 
@@ -656,8 +656,7 @@ void CaptureImage(const CaptureOptions& options)
         viewport = GetGiantViewport(options.Rotation, options.Zoom);
     }
 
-    auto backupRotation = gCurrentRotation;
-    gCurrentRotation = options.Rotation;
+    viewport.rotation = options.Rotation;
 
     if (options.Transparent)
     {
@@ -669,6 +668,4 @@ void CaptureImage(const CaptureOptions& options)
     RenderViewport(nullptr, viewport, dpi);
     WriteDpiToFile(outputPath, dpi, gPalette);
     ReleaseDPI(dpi);
-
-    gCurrentRotation = backupRotation;
 }

src/openrct2/interface/Viewport.cpp

@@ -65,8 +65,6 @@ Viewport* g_music_tracking_viewport;
 static std::unique_ptr<JobPool> _paintJobs;
 static std::vector<PaintSession*> _paintColumns;
 
-uint8_t gCurrentRotation;
-
 static uint32_t _currentImageType;
 InteractionInfo::InteractionInfo(const PaintStruct* ps)
     : Loc(ps->MapPos)
@@ -2055,7 +2053,13 @@ std::optional<CoordsXY> ScreenGetMapXYSideWithZ(const ScreenCoordsXY& screenCoor
  */
 uint8_t GetCurrentRotation()
 {
-    uint8_t rotation = gCurrentRotation;
+    auto* viewport = ViewportGetMain();
+    if (viewport == nullptr)
+    {
+        LOG_ERROR("No viewport found! Will return 0.");
+        return 0;
+    }
+    uint8_t rotation = viewport->rotation;
     uint8_t rotation_masked = rotation & 3;
 #if defined(DEBUG_LEVEL_1) && DEBUG_LEVEL_1
     if (rotation != rotation_masked)

src/openrct2/interface/Viewport.h

@@ -123,8 +123,6 @@ extern uint8_t gShowConstructionRightsRefCount;
 // rct2: 0x014234BC
 extern Viewport* g_music_tracking_viewport;
 
-extern uint8_t gCurrentRotation;
-
 void ViewportInitAll();
 std::optional<ScreenCoordsXY> centre_2d_coordinates(const CoordsXYZ& loc, Viewport* viewport);
 void ViewportCreate(WindowBase* w, const ScreenCoordsXY& screenCoords, int32_t width, int32_t height, const Focus& focus);

src/openrct2/interface/Window.cpp

@@ -933,7 +933,7 @@ void WindowRotateCamera(WindowBase& w, int32_t direction)
         coords.z = TileElementHeight(coords);
     }
 
-    gCurrentRotation = (GetCurrentRotation() + direction) & 3;
+    viewport->rotation = (viewport->rotation + direction) & 3;
 
     auto centreLoc = centre_2d_coordinates(coords, viewport);
 

src/openrct2/ride/TrackDesign.cpp

@@ -2081,9 +2081,8 @@ void TrackDesignDrawPreview(TrackDesign* td6, uint8_t* pixels)
     const ScreenCoordsXY offset = { size_x / 2, size_y / 2 };
     for (uint8_t i = 0; i < 4; i++)
     {
-        gCurrentRotation = i;
-
         view.viewPos = Translate3DTo2DWithZ(i, centre) - offset;
+        view.rotation = i;
         ViewportRender(dpi, &view, { {}, ScreenCoordsXY{ size_x, size_y } });
 
         dpi.bits += TRACK_PREVIEW_IMAGE_SIZE;

src/openrct2/world/Map.cpp

@@ -111,7 +111,6 @@ static std::vector<TileElement> _tileElementsStash;
 static size_t _tileElementsInUse;
 static size_t _tileElementsInUseStash;
 static TileCoordsXY _mapSizeStash;
-static int32_t _currentRotationStash;
 
 void StashMap()
 {
@@ -119,7 +118,6 @@ void StashMap()
     _tileIndexStash = std::move(_tileIndex);
     _tileElementsStash = std::move(gameState.TileElements);
     _mapSizeStash = GetGameState().MapSize;
-    _currentRotationStash = gCurrentRotation;
     _tileElementsInUseStash = _tileElementsInUse;
 }
 
@@ -129,7 +127,6 @@ void UnstashMap()
     _tileIndex = std::move(_tileIndexStash);
     gameState.TileElements = std::move(_tileElementsStash);
     GetGameState().MapSize = _mapSizeStash;
-    gCurrentRotation = _currentRotationStash;
     _tileElementsInUse = _tileElementsInUseStash;
 }