Adds modified syringe guns

code/modules/projectiles/guns/syringe_gun.dm

@@ -49,18 +49,18 @@
 
 	return 1
 
-/obj/item/weapon/gun/syringe/attackby(obj/item/A, mob/user, params, show_msg = 1)
+/obj/item/weapon/gun/syringe/attackby(obj/item/A, mob/user, params, show_msg = TRUE)
 	if(istype(A, /obj/item/weapon/reagent_containers/syringe))
 		if(syringes.len < max_syringes)
 			if(!user.transferItemToLoc(A, src))
-				return
+				return FALSE
 			to_chat(user, "<span class='notice'>You load [A] into \the [src].</span>")
-			syringes.Add(A)
+			syringes += A
 			recharge_newshot()
-			return 1
+			return TRUE
 		else
-			to_chat(usr, "<span class='warning'>[src] cannot hold more syringes!</span>")
-	return 0
+			to_chat(user, "<span class='warning'>[src] cannot hold more syringes!</span>")
+	return FALSE
 
 /obj/item/weapon/gun/syringe/rapidsyringe
 	name = "rapid syringe gun"
@@ -78,3 +78,29 @@
 	force = 2 //Also very weak because it's smaller
 	suppressed = 1 //Softer fire sound
 	can_unsuppress = 0 //Permanently silenced
+	
+/obj/item/weapon/gun/syringe/dna
+	name = "modified syringe gun"
+	desc = "A syringe gun that has been modified to fit DNA injectors instead of normal syringes."
+	origin_tech = "combat=2;syndicate=2;biotech=3"
+	
+/obj/item/weapon/gun/syringe/dna/Initialize()
+	. = ..()
+	chambered = new /obj/item/ammo_casing/dnainjector(src)
+	
+/obj/item/weapon/gun/syringe/dna/attackby(obj/item/A, mob/user, params, show_msg = TRUE)
+	if(istype(A, /obj/item/weapon/dnainjector))
+		var/obj/item/weapon/dnainjector/D = A
+		if(D.used)
+			to_chat(user, "<span class='warning'>This injector is used up!</span>")
+			return
+		if(syringes.len < max_syringes)
+			if(!user.transferItemToLoc(D, src))
+				return FALSE
+			to_chat(user, "<span class='notice'>You load \the [D] into \the [src].</span>")
+			syringes += D
+			recharge_newshot()
+			return TRUE
+		else
+			to_chat(user, "<span class='warning'>[src] cannot hold more syringes!</span>")
+	return FALSE