Tracking implants now emit a GPS signal (and other related features) (#20687)

* Tracking implants now emit a GPS signal (and more)

* lewcc's review

* Sirryan2002's review

code/game/objects/items/weapons/implants/implant_tracking.dm

@@ -6,15 +6,33 @@
 	implant_data = /datum/implant_fluff/tracking
 	implant_state = "implant-nanotrasen"
 	var/warn_cooldown = 0
+	var/obj/item/gps/internal_gps
+	var/internal_gps_path = /obj/item/gps/internal/tracking_implant
 
 /obj/item/implant/tracking/Initialize(mapload)
 	. = ..()
 	GLOB.tracked_implants += src
 
 /obj/item/implant/tracking/Destroy()
+	QDEL_NULL(internal_gps)
 	GLOB.tracked_implants -= src
 	return ..()
 
+/obj/item/implant/tracking/implant(mob/target)
+	. = ..()
+	if(!.)
+		return
+	internal_gps = new internal_gps_path(src)
+
+/obj/item/implant/tracking/removed(mob/target)
+	. = ..()
+	if(.)
+		QDEL_NULL(internal_gps)
+
+/obj/item/gps/internal/tracking_implant
+	gpstag = "TRACK0"
+	local = FALSE
+
 /obj/item/implanter/tracking
 	name = "bio-chip implanter (tracking)"
 	implant_type = /obj/item/implant/tracking