Componentizes orbiting (#40433)

cl ninjanomnom
fix: Orbiting is a little more aggressive about staying in orbit. The wisp as a result now correctly follows you over shuttle moves.
/cl

Goodbye SSorbit you ticking piece of shit

This also gives update_sight a signal so wisp code isn't hardcoded into it.

code/controllers/subsystem/augury.dm

@@ -50,7 +50,7 @@ SUBSYSTEM_DEF(augury)
 			watchers -= w
 			continue
 		var/mob/dead/observer/O = w
-		if(biggest_doom && (!O.orbiting || O.orbiting.orbiting != biggest_doom))
+		if(biggest_doom && (!O.orbiting || O.orbiting.parent != biggest_doom))
 			O.ManualFollow(biggest_doom)
 
 /datum/action/innate/augury

code/controllers/subsystem/orbit.dm

@@ -1,44 +0,0 @@
-SUBSYSTEM_DEF(orbit)
-	name = "Orbits"
-	priority = FIRE_PRIORITY_ORBIT
-	wait = 2
-	flags = SS_NO_INIT|SS_TICKER
-
-	var/list/currentrun = list()
-	var/list/processing = list()
-
-/datum/controller/subsystem/orbit/stat_entry()
-	..("P:[processing.len]")
-
-
-/datum/controller/subsystem/orbit/fire(resumed = 0)
-	if (!resumed)
-		src.currentrun = processing.Copy()
-
-	//cache for sanic speed (lists are references anyways)
-	var/list/currentrun = src.currentrun
-
-	while (currentrun.len)
-		var/datum/orbit/O = currentrun[currentrun.len]
-		currentrun.len--
-		if (!O)
-			processing -= O
-			if (MC_TICK_CHECK)
-				return
-			continue
-		if (!O.orbiter)
-			qdel(O)
-			if (MC_TICK_CHECK)
-				return
-			continue
-		if (O.lastprocess >= world.time) //we already checked recently
-			if (MC_TICK_CHECK)
-				return
-			continue
-		var/targetloc = get_turf(O.orbiting)
-		if (targetloc != O.lastloc || O.orbiter.loc != targetloc)
-			O.Check(targetloc)
-		if (MC_TICK_CHECK)
-			return
-
-