fixes foam dart gc issues (#20273)

* fixes foam dart gc issues

* meh

code/modules/projectiles/ammunition/ammo_casings.dm

@@ -329,10 +329,9 @@
 
 /obj/item/ammo_casing/caseless/fire(atom/target as mob|obj|turf, mob/living/user as mob|obj, params, distro, quiet, zone_override = "", spread, atom/firer_source_atom)
 	if(..())
-		loc = null
-		return 1
-	else
-		return 0
+		qdel(src)
+		return TRUE
+	return FALSE
 
 /obj/item/ammo_casing/caseless/a75
 	desc = "A .75 bullet casing."

code/modules/projectiles/firing.dm

@@ -18,7 +18,7 @@
 		user.changeNext_move(CLICK_CD_RANGE)
 	user.newtonian_move(get_dir(target, user))
 	update_icon()
-	return 1
+	return TRUE
 
 /obj/item/ammo_casing/proc/ready_proj(atom/target, mob/living/user, quiet, zone_override = "", atom/firer_source_atom)
 	if(!BB)

code/modules/projectiles/guns/projectile/shotgun.dm

@@ -69,7 +69,7 @@
 
 /obj/item/gun/projectile/shotgun/proc/pump_reload(mob/M)
 	if(!magazine.ammo_count())
-		return 0
+		return FALSE
 	var/obj/item/ammo_casing/AC = magazine.get_round() //load next casing.
 	chambered = AC
 

code/modules/projectiles/guns/projectile/toy.dm

@@ -75,6 +75,10 @@
 	if(chambered && !chambered.BB)
 		qdel(chambered)
 
+/obj/item/gun/projectile/shotgun/toy/process_fire(atom/target, mob/living/user, message = 1, params, zone_override, bonus_spread = 0)
+	. = ..()
+	chambered = null
+
 /obj/item/gun/projectile/shotgun/toy/crossbow
 	name = "foam force crossbow"
 	desc = "A weapon favored by many overactive children. Ages 8 and up."