Adds modified syringe guns

code/modules/projectiles/projectile/bullets.dm

@@ -190,7 +190,7 @@
 	name = "dart"
 	icon_state = "cbbolt"
 	damage = 6
-	var/piercing = 0
+	var/piercing = FALSE
 
 /obj/item/projectile/bullet/dart/New()
 	..()
@@ -201,15 +201,15 @@
 	if(iscarbon(target))
 		var/mob/living/carbon/M = target
 		if(blocked != 100) // not completely blocked
-			if(M.can_inject(null, 0, def_zone, piercing)) // Pass the hit zone to see if it can inject by whether it hit the head or the body.
+			if(M.can_inject(null, FALSE, def_zone, piercing)) // Pass the hit zone to see if it can inject by whether it hit the head or the body.
 				..()
 				reagents.reaction(M, INJECT)
 				reagents.trans_to(M, reagents.total_volume)
-				return 1
+				return TRUE
 			else
 				blocked = 100
-				target.visible_message("<span class='danger'>The [name] was deflected!</span>", \
-									   "<span class='userdanger'>You were protected against the [name]!</span>")
+				target.visible_message("<span class='danger'>\The [src] was deflected!</span>", \
+									   "<span class='userdanger'>You were protected against \the [src]!</span>")
 
 	..(target, blocked)
 	reagents.set_reacting(TRUE)
@@ -240,7 +240,28 @@
 		nodamage = 1
 	. = ..() // Execute the rest of the code.
 
-
+/obj/item/projectile/bullet/dnainjector
+	name = "\improper DNA injector"
+	icon_state = "syringeproj"
+	var/obj/item/weapon/dnainjector/injector
+	
+/obj/item/projectile/bullet/dnainjector/on_hit(atom/target, blocked = 0)
+	if(iscarbon(target))
+		var/mob/living/carbon/M = target
+		if(blocked != 100)
+			if(M.can_inject(null, FALSE, def_zone, FALSE))
+				if(injector.inject(M, firer))
+					QDEL_NULL(injector)
+					return TRUE
+			else
+				blocked = 100
+				target.visible_message("<span class='danger'>\The [src] was deflected!</span>", \
+									   "<span class='userdanger'>You were protected against \the [src]!</span>")
+	return ..()
+
+/obj/item/projectile/bullet/dnainjector/Destroy()
+	QDEL_NULL(injector)
+	return ..()
 
 //// SNIPER BULLETS