+ int fade_mask = REDRAW_FIELD;
+
+ /* required before door position may be changed in next step */
+ CloseDoor(DOOR_CLOSE_ALL);
+
+ /* needed if different viewport properties defined for scores */
+ ChangeViewportPropertiesIfNeeded();
+
+ if (CheckIfGlobalBorderHasChanged())
+ fade_mask = REDRAW_ALL;