Transfer sector tinting

Author: bradharding

src/r_bsp.c

@@ -532,6 +532,8 @@ static void R_Subsector(int num)
     sector_t    tempsec;                                    // killough 03/07/98: deep water hack
     sector_t    *sector = sub->sector;
     sector_t    *heightsec;
+    sector_t    *floorlightsec;
+    sector_t    *ceilinglightsec;
     int         floorlightlevel;                            // killough 03/16/98: set floor lightlevel
     int         ceilinglightlevel;                          // killough 04/11/98
     int         count = sub->numlines;
@@ -543,6 +545,8 @@ static void R_Subsector(int num)
     // killough 03/08/98, 04/04/98: Deep water/fake ceiling effect
     frontsector = R_FakeFlat(sector, &tempsec, &floorlightlevel, &ceilinglightlevel, false);
     heightsec = frontsector->heightsec;
+    floorlightsec = frontsector->floorlightsec;
+    ceilinglightsec = frontsector->ceilinglightsec;
 
     floorplane = (frontsector->interpfloorheight < viewz    // killough 03/07/98
         || (heightsec && heightsec->ceilingpic == skyflatnum) ?
@@ -552,7 +556,7 @@ static void R_Subsector(int num)
             floorlightlevel,                                // killough 03/16/98
             frontsector->floorxoffset,                      // killough 03/07/98
             frontsector->flooryoffset,
-            (heightsec ? heightsec : frontsector)) : NULL);
+            (floorlightsec ? floorlightsec : (heightsec ? heightsec : frontsector))) : NULL);
 
     ceilingplane = (frontsector->interpceilingheight > viewz
         || frontsector->ceilingpic == skyflatnum
@@ -563,7 +567,7 @@ static void R_Subsector(int num)
             ceilinglightlevel,                              // killough 04/11/98
             frontsector->ceilingxoffset,                    // killough 03/07/98
             frontsector->ceilingyoffset,
-            (heightsec ? heightsec : frontsector)) : NULL);
+            (ceilinglightsec ? ceilinglightsec : (heightsec ? heightsec : frontsector))) : NULL);
 
     // killough 09/18/98: Fix underwater slowdown, by passing real sector
     // instead of fake one. Improve sprite lighting by basing sprite