Medical Hypospray

code/modules/reagents/reagent_containers/hypospray.dm

@@ -13,7 +13,9 @@
 	possible_transfer_amounts = list(1,2,3,4,5,10,15,20,25,30)
 	flags = OPENCONTAINER
 	slot_flags = SLOT_BELT
-	var/ignore_flags = 0
+	var/ignore_flags = FALSE
+	var/emagged = FALSE
+	var/safety_hypo = FALSE
 
 /obj/item/reagent_containers/hypospray/attack(mob/living/M, mob/user)
 	if(!reagents.total_volume)
@@ -31,8 +33,13 @@
 			for(var/datum/reagent/R in reagents.reagent_list)
 				injected += R.name
 
+			var/primary_reagent_name = reagents.get_master_reagent_name()
 			var/trans = reagents.trans_to(M, amount_per_transfer_from_this)
 
+			if(safety_hypo)
+				visible_message("<span class='warning'>[user] injects [M] with [trans] units of [primary_reagent_name].</span>")
+				playsound(loc, 'sound/goonstation/items/hypo.ogg', 80, 0)
+
 			to_chat(user, "<span class='notice'>[trans] unit\s injected.  [reagents.total_volume] unit\s remaining in [src].</span>")
 
 			var/contained = english_list(injected)
@@ -41,6 +48,31 @@
 
 		return TRUE
 
+/obj/item/reagent_containers/hypospray/on_reagent_change()
+	if(safety_hypo && !emagged)
+		var/found_forbidden_reagent = FALSE
+		for(var/datum/reagent/R in reagents.reagent_list)
+			if(!safe_chem_list.Find(R.id))
+				reagents.del_reagent(R.id)
+				found_forbidden_reagent = TRUE
+		if(found_forbidden_reagent)
+			if(ismob(loc))
+				to_chat(loc, "<span class='warning'>[src] identifies and removes a harmful substance.</span>")
+			else
+				visible_message("<span class='warning'>[src] identifies and removes a harmful substance.</span>")
+
+/obj/item/reagent_containers/hypospray/emag_act(mob/user)
+	if(safety_hypo && !emagged)
+		emagged = TRUE
+		ignore_flags = TRUE
+		to_chat(user, "<span class='warning'>You short out the safeties on [src].</span>")
+
+/obj/item/reagent_containers/hypospray/safety
+	name = "medical hypospray"
+	desc = "A modified hypospray for quickly injecting safe medicinal chemicals."
+	icon_state = "combat_hypo"
+	safety_hypo = TRUE
+
 /obj/item/reagent_containers/hypospray/CMO
 	list_reagents = list("omnizine" = 30)
 

code/modules/research/designs/autolathe_designs.dm

@@ -591,6 +591,14 @@
 	build_path = /obj/item/reagent_containers/syringe
 	category = list("initial", "Medical")
 
+/datum/design/safety_hypo
+	name = "Medical Hypospray"
+	id = "safetyhypo"
+	build_type = AUTOLATHE
+	materials = list(MAT_METAL = 500, MAT_GLASS = 500)
+	build_path = /obj/item/reagent_containers/hypospray/safety
+	category = list("initial", "Medical")
+
 /datum/design/prox_sensor
 	name = "Proximity Sensor"
 	id = "prox_sensor"