Fix #7303 Visual glitch with virtual floor near map edges

distribution/changelog.txt

@@ -9,6 +9,7 @@
 - Fix: [#3596] Saving parks, landscapes and tracks with a period in the filenames don't get their extension.
 - Fix: [#5210] Default system dialog not accessible from saving landscape window.
 - Fix: [#7176] Mechanics sometimes fall down from rides.
+- Fix: [#7303] Visual glitch with virtual floor near map edges.
 - Fix: [#7327] Abstract scenery and stations don't get fully See-Through when hiding them (original bug).
 - Improved: Raising land near the map edge makes the affected area smaller instead of showing an 'off edge map' error.
 

src/openrct2/paint/VirtualFloor.cpp

@@ -304,6 +304,9 @@ void virtual_floor_paint(paint_session * session)
         {   0, -32 }
     };
 
+    if (_virtualFloorHeight < MINIMUM_LAND_HEIGHT)
+        return;
+
     uint8 direction = session->CurrentRotation;
 
     // This is a virtual floor, so no interactions