Radiation Refactor (#15331)

* First Commit

* visible radiation and engine goggles

* correction

* t-ray fix

* further adjustments and fixups

* gieger addition and cleaning fixup

* yet more fixes

* styling fixes

* fixes

* human glowing fix

* do the merge conflict avoidance dance

* Update supermatter.dm

* supermatter rads

* mapping in

* radiation doors

* yeah yeah line endings

* clean up

* styling issues

* showers

code/modules/pda/cart.dm

@@ -299,7 +299,6 @@
 	desc = "The hit new PDA game that lets you track down and capture your favorite Nano-Mobs living in your world!"
 	icon_state = "cart-eye"
 	programs = list(new/datum/data/pda/app/mob_hunter_game)
-	var/emagged = 0
 
 /obj/item/cartridge/mob_hunt_game/attackby(obj/item/O, mob/user, params)
 	if(istype(O, /obj/item/nanomob_card))

code/modules/pda/utilities.dm

@@ -125,8 +125,8 @@
 		pda.atmosanalyzer_scan(T.parent.air, user, T)
 	else if(istype(A, /obj/machinery/power/rad_collector))
 		var/obj/machinery/power/rad_collector/T = A
-		if(T.P)
-			pda.atmosanalyzer_scan(T.P.air_contents, user, T)
+		if(T.loaded_tank)
+			pda.atmosanalyzer_scan(T.loaded_tank.air_contents, user, T)
 	else if(istype(A, /obj/item/flamethrower))
 		var/obj/item/flamethrower/T = A
 		if(T.ptank)