Add fadingdata to sector_t

src/p_saveg.c

@@ -2564,6 +2564,11 @@ static inline void LoadFadeThinker(actionf_p1 thinker)
 	ht->destvalue = READINT32(save_p);
 	ht->speed = READINT32(save_p);
 	ht->handleflags = READUINT32(save_p);
+
+	sector_t *ffloorsector = LoadSector(ht->affectee);
+	if (ffloorsector)
+		ffloorsector->fadingdata = ht;
+
 	P_AddThinker(&ht->thinker);
 }
 
@@ -2753,7 +2758,7 @@ static void P_NetUnArchiveThinkers(void)
 	// clear sector thinker pointers so they don't point to non-existant thinkers for all of eternity
 	for (i = 0; i < numsectors; i++)
 	{
-		sectors[i].floordata = sectors[i].ceilingdata = sectors[i].lightingdata = NULL;
+		sectors[i].floordata = sectors[i].ceilingdata = sectors[i].lightingdata = sectors[i].fadingdata = NULL;
 	}
 
 	// read in saved thinkers

src/p_setup.c

@@ -693,6 +693,7 @@ static void P_LoadRawSectors(UINT8 *data, size_t i)
 		ss->floordata = NULL;
 		ss->ceilingdata = NULL;
 		ss->lightingdata = NULL;
+		ss->fadingdata = NULL;
 
 		ss->linecount = 0;
 		ss->lines = NULL;

src/r_defs.h

@@ -308,6 +308,7 @@ typedef struct sector_s
 	void *floordata; // floor move thinker
 	void *ceilingdata; // ceiling move thinker
 	void *lightingdata; // lighting change thinker
+	void *fadingdata; // fading FOF thinker
 
 	// floor and ceiling texture offsets
 	fixed_t floor_xoffs, floor_yoffs;