Adds the Syndicate "Big Brother" Obfuscation Suit (#22151)

* here we go again

* dont feel good about this

* add to contractor kit

* name change

* oops CI moment

* henri review

code/modules/antagonists/traitor/contractor/items/contractor_kit.dm

@@ -30,6 +30,7 @@
 		/obj/item/multitool/ai_detect,
 		/obj/item/encryptionkey/binary,
 		/obj/item/jammer,
+		/obj/item/clothing/under/syndicate/silicon_cham,
 		/obj/item/implanter/freedom,
 	)
 

code/modules/clothing/clothing.dm

@@ -35,6 +35,8 @@
 	var/species_disguise = null
 	var/magical = FALSE
 	var/dyeable = FALSE
+	/// Do we block AI tracking?
+	var/blockTracking
 	w_class = WEIGHT_CLASS_SMALL
 
 /obj/item/clothing/update_icon_state()
@@ -371,7 +373,6 @@
 	icon = 'icons/obj/clothing/hats.dmi'
 	body_parts_covered = HEAD
 	slot_flags = SLOT_HEAD
-	var/blockTracking // Do we block AI tracking?
 	var/HUDType = null
 
 	var/vision_flags = 0

code/modules/clothing/under/syndicate_jumpsuits.dm

@@ -35,3 +35,22 @@
 	icon_state = "tactical_suit"
 	item_state = "bl_suit"
 	item_color = "tactical_suit"
+
+/obj/item/clothing/under/syndicate/silicon_cham
+	name = "tactical turtleneck"
+	desc = "A non-descript and slightly suspicious looking turtleneck with digital camouflage cargo pants. <b>This one has extra cybernetic modifications.</b>"
+	blockTracking = TRUE
+
+/obj/item/clothing/under/syndicate/silicon_cham/equipped(mob/user, slot, initial)
+	. = ..()
+	if(slot == slot_w_uniform)
+		ADD_TRAIT(user, TRAIT_AI_UNTRACKABLE, "silicon_cham[UID()]")
+		user.invisibility = SEE_INVISIBLE_LIVING
+		to_chat(user, "<span class='notice'>You feel a slight shiver as the cybernetic obfuscators activate.</span>")
+
+/obj/item/clothing/under/syndicate/silicon_cham/dropped(mob/user)
+	. = ..()
+	if(user)
+		REMOVE_TRAIT(user, TRAIT_AI_UNTRACKABLE, "silicon_cham[UID()]")
+		user.invisibility = initial(user.invisibility)
+		to_chat(user, "<span class='notice'>You feel a slight shiver as the cybernetic obfuscators deactivate.</span>")

code/modules/mob/living/carbon/human/human_mob.dm

@@ -1812,15 +1812,19 @@ Eyes need to have significantly high darksight to shine unless the mob has the X
 	if(wear_id)
 		var/obj/item/card/id/id = wear_id.GetID()
 		if(istype(id) && id.is_untrackable())
-			return 0
+			return FALSE
 	if(wear_pda)
 		var/obj/item/card/id/id = wear_pda.GetID()
 		if(istype(id) && id.is_untrackable())
-			return 0
+			return FALSE
 	if(istype(head, /obj/item/clothing/head))
 		var/obj/item/clothing/head/hat = head
 		if(hat.blockTracking)
-			return 0
+			return FALSE
+	if(w_uniform)
+		var/obj/item/clothing/under/uniform = w_uniform
+		if(uniform.blockTracking)
+			return FALSE
 
 	return ..()