Added a robotic syringe (#20063)

Added a robotic syringe, to be used by borgs, that do not get dirty and
gives infection to people after the first use.

Fixes #19817

---------

Signed-off-by: Fluffy <65877598+FluffyGhoster@users.noreply.github.com>
Co-authored-by: Wowzewow (Wezzy) <42310821+alsoandanswer@users.noreply.github.com>

code/modules/mob/living/silicon/robot/robot_modules.dm

@@ -230,7 +230,7 @@ var/global/list/robot_modules = list(
 	modules += new /obj/item/gripper/chemistry(src)
 	modules += new /obj/item/reagent_containers/dropper/cyborg_pipette(src)
 	modules += new /obj/item/roller_holder(src)
-	modules += new /obj/item/reagent_containers/syringe(src)
+	modules += new /obj/item/reagent_containers/syringe/robotic(src)
 	modules += new /obj/item/device/reagent_scanner/adv(src)
 	modules += new /obj/item/device/mass_spectrometer(src)
 	modules += new /obj/item/autopsy_scanner(src)

code/modules/reagents/reagent_containers/syringes.dm

@@ -39,6 +39,9 @@
 	drop_sound = 'sound/items/drop/glass_small.ogg'
 	pickup_sound = 'sound/items/pickup/glass_small.ogg'
 
+	///Boolean, if this syringe gets dirty (and consequently infects people when reused)
+	var/gets_dirty = TRUE
+
 /obj/item/reagent_containers/syringe/Initialize()
 	. = ..()
 	update_icon()
@@ -73,7 +76,7 @@
 		log_and_message_admins("[loc] infected [target]'s [eo.name] with \the [src].")
 		addtimer(CALLBACK(src, PROC_REF(infect_limb), eo), rand(5 MINUTES, 10 MINUTES))
 
-	if(!used)
+	if(!used && gets_dirty)
 		START_PROCESSING(SSprocessing, src)
 		used = TRUE
 
@@ -381,6 +384,20 @@
 /// Syringes. END
 ////////////////////////////////////////////////////////////////////////////////
 
+/*#############
+	SUBTYPES
+#############*/
+
+/**
+ * #Robotic syringe
+ *
+ * This syringe is for borgs and the likes, do not give it around otherwise
+ */
+/obj/item/reagent_containers/syringe/robotic
+	name = "robotic syringe"
+	desc = "A syringe for our synthetic friends."
+	gets_dirty = FALSE
+
 /obj/item/reagent_containers/syringe/inaprovaline
 	name = "Syringe (inaprovaline)"
 	desc = "Contains inaprovaline - used to stabilize patients."