Adds Contaminant Detector HUD (#15970)

code/modules/client/preference_setup/loadout/loadout_eyes.dm

@@ -105,6 +105,15 @@
 	display_name = "Medical HUD Aviators, prescription (Medical)"
 	path = /obj/item/clothing/glasses/hud/health/aviator/prescription
 
+/datum/gear/eyes/janitor
+	display_name = "Contaminant HUD (Janitor)"
+	path = /obj/item/clothing/glasses/hud/janitor
+	allowed_roles = list("Janitor")
+
+/datum/gear/eyes/janitor/prescriptionjan
+	display_name = "Contaminant HUD, prescription (Janitor)"
+	path = /obj/item/clothing/glasses/hud/janitor/prescription
+
 /datum/gear/eyes/meson
 	display_name = "Optical Meson Scanners (Engineering, Science, Mining)"
 	path = /obj/item/clothing/glasses/meson

code/modules/clothing/glasses/hud.dm

@@ -41,3 +41,18 @@
 	item_state_slots = list(slot_r_hand_str = "sunglasses", slot_l_hand_str = "sunglasses")
 	vision_flags = SEE_MOBS
 	see_invisible = SEE_INVISIBLE_NOLIGHTING
+
+/obj/item/clothing/glasses/hud/janitor
+	name = "Contaminant Detector HUD"
+	desc = "A heads-up display that scans the environment for contaminations."
+	icon_state = "janhud"
+	item_state_slots = list(slot_r_hand_str = "headset", slot_l_hand_str = "headset")
+	body_parts_covered = 0
+	enables_planes = list(VIS_JANHUD)
+
+/obj/item/clothing/glasses/hud/janitor/prescription
+	name = "Prescription Contaminant Detector HUD"
+	desc = "A heads-up display that scans the environment for contaminations."
+	prescription = 1
+	icon_state = "janhudpresc"
+	item_state_slots = list(slot_r_hand_str = "glasses", slot_l_hand_str = "glasses")

code/modules/economy/vending_machines.dm

@@ -1619,6 +1619,7 @@
 		/obj/item/clothing/gloves/black = 5,
 		/obj/item/weapon/storage/belt/janitor = 5,
 		/obj/item/clothing/shoes/galoshes = 5,
+		/obj/item/clothing/glasses/hud/janitor = 5,
 		/obj/item/weapon/cartridge/janitor = 5
 	)
 	req_log_access = access_hop

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

@@ -155,6 +155,7 @@
 /mob/living/silicon/robot/handle_regular_hud_updates()
 	var/fullbright = FALSE
 	var/seemeson = FALSE
+	var/seejanhud = src.sight_mode & BORGJAN
 
 	var/area/A = get_area(src)
 	if(A?.no_spoilers)
@@ -209,6 +210,7 @@
 	if(plane_holder)
 		plane_holder.set_vis(VIS_FULLBRIGHT,fullbright)
 		plane_holder.set_vis(VIS_MESONS,seemeson)
+		plane_holder.set_vis(VIS_JANHUD,seejanhud)
 
 	..()
 

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

@@ -514,6 +514,7 @@ var/global/list/robot_modules = list(
 	src.modules += new /obj/item/weapon/mop(src)
 	src.modules += new /obj/item/pupscrubber(src)
 	src.modules += new /obj/item/device/lightreplacer(src)
+	src.modules += new /obj/item/borg/sight/janitor(src)
 	var/obj/item/weapon/reagent_containers/spray/LS = new /obj/item/weapon/reagent_containers/spray(src)
 	src.emag += LS
 	LS.reagents.add_reagent("lube", 250)

code/modules/mob/mob_planes.dm

@@ -40,6 +40,7 @@
 	plane_masters[VIS_ADMIN3] 		= new /obj/screen/plane_master{plane = PLANE_ADMIN3}			//For admin use
 
 	plane_masters[VIS_MESONS]		= new /obj/screen/plane_master{plane = PLANE_MESONS} 			//Meson-specific things like open ceilings.
+	plane_masters[VIS_JANHUD]		= new /obj/screen/plane_master{plane = PLANE_JANHUD} 			//Meson-specific things like open ceilings.
 
 	plane_masters[VIS_BUILDMODE]	= new /obj/screen/plane_master{plane = PLANE_BUILDMODE}			//Things that only show up while in build mode
 
@@ -113,7 +114,7 @@
 			alter_values(SP, values)
 
 
-	
+
 
 ////////////////////
 // The Plane Master

code/modules/research/designs/HUDs.dm

@@ -24,19 +24,26 @@
 	build_path = /obj/item/clothing/glasses/hud/security
 	sort_string = "EAAAB"
 
+/datum/design/item/hud/janitor
+	name = "contaminant detector"
+	id = "janitor_hud"
+	req_tech = list(TECH_MAGNET = 2)
+	build_path = /obj/item/clothing/glasses/hud/janitor
+	sort_string = "EAAAC"
+
 /datum/design/item/hud/mesons
 	name = "optical meson scanner"
 	id = "mesons"
 	req_tech = list(TECH_MAGNET = 2, TECH_ENGINEERING = 2)
 	build_path = /obj/item/clothing/glasses/meson
-	sort_string = "EAAAC"
+	sort_string = "EAAAD"
 
 /datum/design/item/hud/material
 	name = "optical material scanner"
 	id = "material"
 	req_tech = list(TECH_MAGNET = 3, TECH_ENGINEERING = 3)
 	build_path = /obj/item/clothing/glasses/material
-	sort_string = "EAAAD"
+	sort_string = "EAAAE"
 
 /datum/design/item/hud/graviton_visor
 	name = "graviton visor"
@@ -44,4 +51,4 @@
 	req_tech = list(TECH_MAGNET = 5, TECH_ENGINEERING = 3, TECH_BLUESPACE = 3, TECH_PHORON = 3, TECH_ARCANE = 1)
 	materials = list(MAT_PLASTEEL = 2000, MAT_GLASS = 3000, MAT_PHORON = 1500, MAT_DIAMOND = 500)
 	build_path = /obj/item/clothing/glasses/graviton
-	sort_string = "EAAAE"
+	sort_string = "EAAAF"