Tracking Jamming! (#18868)

* Tracking Jamming!

Adds a new belly mode 'BLOCKS TRACKING' that blocks GPS and tracking implants!

Makes the location for tracking implants show up as 'E4R@4'

Blocks GPS signals entirely

Fixes a bug with the prisoner console that says 'no chemical implants found' for the tracking implant.

* Combined

code/game/objects/items/devices/gps.dm

@@ -99,7 +99,7 @@ GLOBAL_LIST_EMPTY(GPS_list)
 	. = ..()
 
 /obj/item/gps/proc/can_track(var/obj/item/gps/other, var/reachable_z_levels)
-	if(!other.tracking || other.emped || other.hide_signal)
+	if(!other.tracking || other.emped || other.hide_signal || is_vore_jammed(other))
 		return FALSE
 	var/turf/origin = get_turf(src)
 	var/turf/target = get_turf(other)

code/game/objects/items/devices/radio/jammer.dm

@@ -125,8 +125,8 @@ GLOBAL_LIST_EMPTY(active_radio_jammers)
 	jam_range = 255
 	tick_cost = 0
 
-/proc/is_vore_jammed(var/obj/radio)
-	var/atom/current = radio
+///Checks to see if the clothing is in a belly that jams sensors or blocks tracking.
+/proc/is_vore_jammed(atom/current)
 	while(current.loc)
 		if(isbelly(current.loc))
 			var/obj/belly/B = current.loc

code/game/objects/items/weapons/teleportation.dm

@@ -80,7 +80,7 @@ Frequency:
 
 				src.temp += span_bold("Extraneous Signals:") + "<BR>"
 				for (var/obj/item/implant/tracking/W in GLOB.all_tracking_implants)
-					if (!W.implanted || !(istype(W.loc,/obj/item/organ/external) || ismob(W.loc) || W.malfunction))
+					if (!W.implanted || !(istype(W.loc,/obj/item/organ/external) || ismob(W.loc) || W.malfunction) || is_vore_jammed(W))
 						continue
 
 					var/turf/tr = get_turf(W)