Wisps can now be recalled with the lantern (#17999)

🆑 coiax
fix: Fixes bug where the wisp was unable to be recalled to the lantern.
/🆑

The way that the code is structured suggests that wisp recall works in
two parts, stripping the person who's being orbited of their thermal
vision, and then putting the wisp back in. While I was there, I cleaned
up some variables.

code/modules/mining/lavaland/necropolis_chests.dm

@@ -79,41 +79,44 @@
 
 /obj/item/device/wisp_lantern/attack_self(mob/user)
 	if(!wisp)
-		user << "The wisp has gone missing!"
+		user << "<span class='warning'>The wisp has gone missing!</span>"
 		return
 	if(wisp.loc == src)
-		user << "You release the wisp. It begins to bob around your head."
+		user << "<span class='notice'>You release the wisp. It begins to \
+			bob around your head.</span>"
 		user.sight |= SEE_MOBS
 		icon_state = "lantern"
 		wisp.orbit(user, 20)
 		feedback_add_details("wisp_lantern","F") // freed
 
 	else
+		user << "<span class='notice'>You return the wisp to the lantern.\
+			</span>"
+
 		if(wisp.orbiting)
 			var/atom/A = wisp.orbiting
 			if(istype(A, /mob/living))
 				var/mob/living/M = A
 				M.sight &= ~SEE_MOBS
-				M << "The wisp has returned to it's latern. Your vision returns to normal."
+				M << "<span class='notice'>Your vision returns to \
+					normal.</span>"
 
-			wisp.stop_orbit()
-			wisp.loc = src
-			user << "You return the wisp to the latern."
-			icon_state = "lantern-blue"
-			feedback_add_details("wisp_lantern","R") // returned
+		wisp.stop_orbit()
+		wisp.loc = src
+		icon_state = "lantern-blue"
+		feedback_add_details("wisp_lantern","R") // returned
 
 /obj/item/device/wisp_lantern/New()
 	..()
-	var/obj/effect/wisp/W = new(src)
-	wisp = W
-	W.home = src
+	wisp = new(src)
 
 /obj/item/device/wisp_lantern/Destroy()
 	if(wisp)
 		if(wisp.loc == src)
 			qdel(wisp)
 		else
-			wisp.home = null //stuck orbiting your head now
+			wisp.visible_message("<span class='notice'>[wisp] has a sad \
+				feeling for a moment, then it passes.</span>")
 	..()
 
 //Wisp Lantern
@@ -122,7 +125,6 @@
 	desc = "Happy to light your way."
 	icon = 'icons/obj/lighting.dmi'
 	icon_state = "orb"
-	var/obj/item/device/wisp_lantern/home
 	luminosity = 7
 	layer = ABOVE_ALL_MOB_LAYER