Fix swirling flats not swirling in automap in some instances

Author: bradharding

src/d_main.c

@@ -175,6 +175,8 @@ int         fadecount = 0;
 bool        splashscreen = true;
 
 bool        realframe;
+bool        updateswirl;
+
 static bool error;
 
 //
@@ -339,6 +341,9 @@ void D_Display(void)
     {
         HU_Erase();
 
+        updateswirl = (r_liquid_swirl && !(consoleactive || helpscreen || paused || (viewplayer->cheats & CF_FREEZE)));
+
+
         // draw the view directly
         R_RenderPlayerView();
 

src/doomstat.h

@@ -242,6 +242,7 @@ extern gamestate_t      gamestate;
 extern int              gametime;
 
 extern bool             realframe;
+extern bool             updateswirl;
 
 // Intermission stats.
 // Parameters for world map/intermission.

src/r_plane.c

@@ -81,8 +81,6 @@ fixed_t             yslopes[PITCHES][MAXHEIGHT];
 
 static fixed_t      cachedheight[MAXHEIGHT];
 
-static bool         updateswirl;
-
 static angle_t      *xtoskyangle;
 
 //
@@ -487,10 +485,6 @@ static void DrawSkyTex(visplane_t *pl, skytex_t *skytex, void func(void))
 void R_DrawPlanes(void)
 {
     xtoskyangle = (r_linearskies ? linearskyangle : xtoviewangle);
-
-    if (r_liquid_swirl)
-        updateswirl = !(consoleactive || helpscreen || paused || (viewplayer->cheats & CF_FREEZE));
-
     dc_colormap[0] = (fixedcolormap && r_textures ? fixedcolormap : fullcolormap);
     dc_sectorcolormap = fullcolormap;