Ports the radiation subsystem and cleans up damage flags. (#15715)

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

@@ -0,0 +1,82 @@
+/obj/item/device/geiger
+	name = "geiger counter"
+	desc = "A handheld device used for detecting and measuring radiation in an area."
+	icon = 'icons/obj/geiger_counter.dmi'
+	icon_state = "geiger_off"
+	item_state = "multitool"
+	w_class = ITEMSIZE_SMALL
+	action_button_name = "Toggle geiger counter"
+	var/scanning = 0
+	var/radiation_count = 0
+	var/datum/sound_token/sound_token
+	var/geiger_volume = 0
+	var/sound_id
+
+/obj/item/device/geiger/Initialize()
+	. = ..()
+	sound_id = "[type]_[sequential_id(type)]"
+
+/obj/item/device/geiger/proc/update_sound(playing)
+	if(playing && !sound_token)
+		sound_token = sound_player.PlayLoopingSound(src, sound_id, "sound/items/geiger.ogg", volume = geiger_volume, range = 4, falloff = 3, prefer_mute = TRUE)
+	else if(!playing && sound_token)
+		QDEL_NULL(sound_token)
+
+/obj/item/device/geiger/Destroy()
+	. = ..()
+	STOP_PROCESSING(SSprocessing, src)
+	update_sound(0)
+
+/obj/item/device/geiger/process()
+	if(!scanning)
+		return
+	radiation_count = SSradiation.get_rads_at_turf(get_turf(src))
+	update_icon()
+
+/obj/item/device/geiger/examine(mob/user)
+	. = ..()
+	var/msg = "[scanning ? "ambient" : "stored"] Radiation level: [radiation_count ? radiation_count : "0"] IU/s."
+	if(radiation_count > RAD_LEVEL_LOW)
+		to_chat(user, SPAN_WARNING("[msg]"))
+	else
+		to_chat(user, SPAN_NOTICE("[msg]"))
+
+/obj/item/device/geiger/attack_self(mob/user)
+	scanning = !scanning
+	if(scanning)
+		START_PROCESSING(SSprocessing, src)
+	else
+		STOP_PROCESSING(SSprocessing, src)
+	update_icon()
+	to_chat(user, SPAN_NOTICE("[icon2html(src, user)] You switch [scanning ? "on" : "off"] [src]."))
+
+/obj/item/device/geiger/update_icon()
+	if(!scanning)
+		icon_state = "geiger_off"
+		update_sound(0)
+		return 1
+
+	if(!sound_token) update_sound(1)
+
+	switch(radiation_count)
+		if(null) icon_state = "geiger_on_1"
+		if(-INFINITY to RAD_LEVEL_LOW)
+			icon_state = "geiger_on_1"
+			geiger_volume = 0
+			sound_token.SetVolume(geiger_volume)
+		if(RAD_LEVEL_LOW + 0.01 to RAD_LEVEL_MODERATE)
+			icon_state = "geiger_on_2"
+			geiger_volume = 10
+			sound_token.SetVolume(geiger_volume)
+		if(RAD_LEVEL_MODERATE + 0.1 to RAD_LEVEL_HIGH)
+			icon_state = "geiger_on_3"
+			geiger_volume = 25
+			sound_token.SetVolume(geiger_volume)
+		if(RAD_LEVEL_HIGH + 1 to RAD_LEVEL_VERY_HIGH)
+			icon_state = "geiger_on_4"
+			geiger_volume = 40
+			sound_token.SetVolume(geiger_volume)
+		if(RAD_LEVEL_VERY_HIGH + 1 to INFINITY)
+			icon_state = "geiger_on_5"
+			geiger_volume = 60
+			sound_token.SetVolume(geiger_volume)

code/game/objects/items/devices/lighting/glowstick.dm

@@ -43,7 +43,7 @@
 		to_chat(user, SPAN_WARNING("You break \the [src] apart, spilling its contents everywhere!"))
 		fuel = 0
 		new /obj/effect/decal/cleanable/greenglow(get_turf(user))
-		user.apply_damage(rand(15,30), IRRADIATE, damage_flags = DAM_DISPERSED)
+		user.apply_damage(rand(15,30), DAMAGE_RADIATION, damage_flags = DAMAGE_FLAG_DISPERSED)
 		qdel(src)
 		return