fire stacking pass (#12899)

code/game/objects/effects/decals/Cleanable/fuel.dm

@@ -94,8 +94,8 @@
 /obj/effect/decal/cleanable/liquid_fuel/proc/ignite_fuel(igniter)
 	if(igniter)
 		visible_message(span_warning("[igniter] ignites the spilled fuel!"))
-	new /obj/flamer_fire(loc, fire_lvl, burn_lvl, f_color)
 	var/turf/S = get_turf(src)
+	S.ignite(fire_lvl, burn_lvl, f_color)
 	for(var/D in CARDINAL_DIRS)
 		var/turf/T = get_step(S, D)
 		for(var/obj/effect/decal/cleanable/liquid_fuel/other in T)

code/game/objects/items/explosives/grenades/marines.dm

@@ -133,12 +133,14 @@
 	if(.)
 		return
 	RegisterSignal(stuck_to, COMSIG_MOVABLE_MOVED, PROC_REF(make_fire))
-	new /obj/flamer_fire(get_turf(src), 25, 25)
+	var/turf/T = get_turf(src)
+	T.ignite(25, 25)
 
 ///causes fire tiles underneath target when stuck_to
 /obj/item/explosive/grenade/sticky/trailblazer/proc/make_fire(datum/source, old_loc, movement_dir, forced, old_locs)
 	SIGNAL_HANDLER
-	new /obj/flamer_fire(get_turf(src), 25, 25)
+	var/turf/T = get_turf(src)
+	T.ignite(25, 25)
 
 /obj/item/explosive/grenade/sticky/trailblazer/clean_refs()
 	UnregisterSignal(stuck_to, COMSIG_MOVABLE_MOVED)

code/game/objects/structures/mineral_doors.dm

@@ -149,14 +149,16 @@
 	if(istype(W, /obj/item/tool/weldingtool))
 		var/obj/item/tool/weldingtool/WT = W
 		if(WT.remove_fuel(0, user))
-			new /obj/flamer_fire(get_turf(src), 25, 25)
+			var/turf/T = get_turf(src)
+			T.ignite(25, 25)
 			visible_message(span_danger("[src] suddenly combusts!"))
 	return ..()
 
 
 /obj/structure/mineral_door/transparent/phoron/fire_act(exposed_temperature, exposed_volume)
 	if(exposed_temperature > 300)
-		new /obj/flamer_fire(get_turf(src), 25, 25)
+		var/turf/T = get_turf(src)
+		T.ignite(25, 25)
 
 
 /obj/structure/mineral_door/transparent/diamond