fixes custom chemicals not working on the flamer nozzle

code/datums/ammo/ammo.dm

@@ -84,7 +84,7 @@
 	/// that will be given to a projectile with the current ammo datum
 	var/list/list/traits_to_give
 
-	var/flamer_reagent_type = /datum/reagent/napalm/ut
+	var/flamer_reagent_id = "utnapthal"
 
 	/// The flicker that plays when a bullet hits a target. Usually red. Can be nulled so it doesn't show up at all.
 	var/hit_effect_color = "#FF0000"
@@ -237,11 +237,18 @@
 
 		P.fire_at(new_target, original_P.firer, original_P.shot_from, P.ammo.max_range, P.ammo.shell_speed, original_P.original) //Fire!
 
-/datum/ammo/proc/drop_flame(turf/T, datum/cause_data/cause_data) // ~Art updated fire 20JAN17
-	if(!istype(T))
+/datum/ammo/proc/drop_flame(turf/Turf, datum/cause_data/cause_data) // ~Art updated fire 20JAN17
+	if(!istype(Turf))
 		return
-	if(locate(/obj/flamer_fire) in T)
+	if(locate(/obj/flamer_fire) in Turf)
 		return
 
-	var/datum/reagent/R = new flamer_reagent_type()
-	new /obj/flamer_fire(T, cause_data, R)
+	var/datum/reagent/reference = GLOB.chemical_reagents_list[flamer_reagent_id] //this is probably a bad way of doing this but it works
+	var/datum/reagent/chemical = new reference.type
+	chemical.intensityfire = reference.intensityfire
+	chemical.durationfire = reference.durationfire
+	chemical.burncolor = reference.burncolor
+	chemical.fire_penetrating = reference.fire_penetrating
+	chemical.burn_sprite = reference.burn_sprite
+
+	new /obj/flamer_fire(Turf, cause_data, chemical)

code/datums/ammo/misc.dm

@@ -49,11 +49,11 @@
 	drop_flame(get_turf(P), P.weapon_cause_data)
 
 /datum/ammo/flamethrower/tank_flamer
-	flamer_reagent_type = /datum/reagent/napalm/blue
+	flamer_reagent_id = "napalmx"
 
 /datum/ammo/flamethrower/sentry_flamer
 	flags_ammo_behavior = AMMO_IGNORE_ARMOR|AMMO_IGNORE_COVER|AMMO_FLAME
-	flamer_reagent_type = /datum/reagent/napalm/blue
+	flamer_reagent_id = "napalmx"
 
 	accuracy = HIT_ACCURACY_TIER_8
 	accurate_range = 6

code/modules/projectiles/gun_attachables.dm

@@ -3199,7 +3199,7 @@ Defined in conflicts.dm of the #defines folder.
 
 	var/obj/projectile/P = new(src, create_cause_data(initial(name), user, src))
 	var/datum/ammo/flamethrower/ammo_datum = new projectile_type
-	ammo_datum.flamer_reagent_type = flamer_reagent.type
+	ammo_datum.flamer_reagent_id = flamer_reagent.id
 	P.generate_bullet(ammo_datum)
 	P.icon_state = "naptha_ball"
 	P.color = flamer_reagent.color