Remove spawn in favour of timers (#50562)

* Remove spawn in favour of timers

* aaaaaa

* Qdels

Co-Authored-By: Rohesie <rohesie@gmail.com>

Co-authored-by: Rohesie <rohesie@gmail.com>

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

@@ -1081,9 +1081,11 @@ GLOBAL_LIST_EMPTY(PDAs)
 		for(var/atom/A in src)
 			A.emp_act(severity)
 	if (!(. & EMP_PROTECT_SELF))
-		emped += 1
-		spawn(200 * severity)
-			emped -= 1
+		emped++
+		addtimer(CALLBACK(src, .proc/emp_end), 200 * severity)
+
+/obj/item/pda/proc/emp_end()
+	emped--
 
 /proc/get_viewable_pdas(sort_by_job = FALSE)
 	. = list()

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

@@ -88,20 +88,19 @@ effective or pretty fucking useless.
 		var/cooldown = get_cooldown()
 		used = TRUE
 		icon_state = "health1"
-		handle_cooldown(cooldown) // splits off to handle the cooldown while handling wavelength
+		addtimer(VARSET_CALLBACK(src, used, FALSE), cooldown)
+		addtimer(VARSET_CALLBACK(src, icon_state, "health"), cooldown)
 		to_chat(user, "<span class='warning'>Successfully irradiated [M].</span>")
-		spawn((wavelength+(intensity*4))*5)
-			if(M)
-				if(intensity >= 5)
-					M.apply_effect(round(intensity/0.075), EFFECT_UNCONSCIOUS)
-				M.rad_act(intensity*10)
+		addtimer(CALLBACK(src, .proc/radiation_aftereffect, M), (wavelength+(intensity*4))*5)
 	else
 		to_chat(user, "<span class='warning'>The radioactive microlaser is still recharging.</span>")
 
-/obj/item/healthanalyzer/rad_laser/proc/handle_cooldown(cooldown)
-	spawn(cooldown)
-		used = FALSE
-		icon_state = "health"
+/obj/item/healthanalyzer/rad_laser/proc/radiation_aftereffect(mob/living/M)
+	if(QDELETED(M))
+		return
+	if(intensity >= 5)
+		M.apply_effect(round(intensity/0.075), EFFECT_UNCONSCIOUS)
+	M.rad_act(intensity*10)
 
 /obj/item/healthanalyzer/rad_laser/proc/get_cooldown()
 	return round(max(10, (stealth*30 + intensity*5 - wavelength/4)))