[MIRROR] Mecha medical and other_equipment refactor (#926)

* Mecha medical and other_equipment refactor (#53637)

* Mecha medical and other_equipment refactor

Co-authored-by: TiviPlus <57223640+TiviPlus@users.noreply.github.com>

code/modules/projectiles/ammunition/_ammunition.dm

@@ -43,7 +43,7 @@
 		SSblackbox.record_feedback("tally", "station_mess_destroyed", 1, name)
 
 /obj/item/ammo_casing/update_icon()
-	..()
+	. = ..()
 	icon_state = "[initial(icon_state)][BB ? "-live" : ""]"
 	desc = "[initial(desc)][BB ? "" : " This one is spent."]"
 
@@ -94,7 +94,7 @@
 
 /obj/item/ammo_casing/throw_impact(atom/hit_atom, datum/thrownthing/throwingdatum)
 	bounce_away(FALSE, NONE)
-	. = ..()
+	return ..()
 
 /obj/item/ammo_casing/proc/bounce_away(still_warm = FALSE, bounce_delay = 3)
 	if(!heavy_metal)

code/modules/projectiles/ammunition/special/syringe.dm

@@ -21,7 +21,16 @@
 		D.piercing = S.proj_piercing
 		SG.syringes.Remove(S)
 		qdel(S)
-	..()
+	else if(istype(loc, /obj/item/mecha_parts/mecha_equipment/medical/syringe_gun))
+		var/obj/item/mecha_parts/mecha_equipment/medical/syringe_gun/syringe_gun = loc
+		var/obj/item/reagent_containers/syringe/loaded_syringe = syringe_gun.syringes[1]
+		var/obj/projectile/bullet/dart/shot_dart = BB
+		syringe_gun.reagents.trans_to(shot_dart, min(loaded_syringe.volume, syringe_gun.reagents.total_volume), transfered_by = user)
+		shot_dart.name = loaded_syringe.name
+		shot_dart.piercing = loaded_syringe.proj_piercing
+		LAZYREMOVE(syringe_gun.syringes, loaded_syringe)
+		qdel(loaded_syringe)
+	return ..()
 
 /obj/item/ammo_casing/chemgun
 	name = "dart synthesiser"
@@ -39,7 +48,7 @@
 		CG.reagents.trans_to(BB, 15, transfered_by = user)
 		BB.name = "chemical dart"
 		CG.syringes_left--
-	..()
+	return ..()
 
 /obj/item/ammo_casing/dnainjector
 	name = "rigged syringe gun spring"
@@ -59,4 +68,4 @@
 		var/obj/projectile/bullet/dnainjector/D = BB
 		S.forceMove(D)
 		D.injector = S
-	..()
+	return ..()