Ghosts no longer drift in space

code/modules/mob/dead/observer/observer.dm

@@ -808,6 +808,10 @@ This is the proc mobs get to turn into a ghost. Forked from ghostize due to comp
 	if(!invisibility)
 		to_chat(user, "It seems extremely obvious.")
 
+// Ghosts have no momentum, being massless ectoplasm
+/mob/dead/observer/Process_Spacemove(movement_dir)
+	return 1
+
 /proc/set_observer_default_invisibility(amount, message=null)
 	for(var/mob/dead/observer/G in GLOB.player_list)
 		G.invisibility = amount

code/modules/mob/dead/observer/observer.dm.rej

@@ -0,0 +1,42 @@
+diff a/code/modules/mob/dead/observer/observer.dm b/code/modules/mob/dead/observer/observer.dm	(rejected hunks)
+@@ -272,25 +272,24 @@ This is the proc mobs get to turn into a ghost. Forked from ghostize due to comp
+ 
+ /mob/dead/observer/Move(NewLoc, direct)
+ 	if(updatedir)
+-		setDir(direct )//only update dir if we actually need it, so overlays won't spin on base sprites that don't have directions of their own
++		setDir(direct)//only update dir if we actually need it, so overlays won't spin on base sprites that don't have directions of their own
++	var/oldloc = loc
++
+ 	if(NewLoc)
+ 		loc = NewLoc
+-		for(var/obj/effect/step_trigger/S in NewLoc)
+-			S.Crossed(src)
+ 		update_parallax_contents()
+-		return
+-	loc = get_turf(src) //Get out of closets and such as a ghost
+-	if((direct & NORTH) && y < world.maxy)
+-		y++
+-	else if((direct & SOUTH) && y > 1)
+-		y--
+-	if((direct & EAST) && x < world.maxx)
+-		x++
+-	else if((direct & WEST) && x > 1)
+-		x--
+-
+-	for(var/obj/effect/step_trigger/S in locate(x, y, z))	//<-- this is dumb
+-		S.Crossed(src)
++	else
++		loc = get_turf(src) //Get out of closets and such as a ghost
++		if((direct & NORTH) && y < world.maxy)
++			y++
++		else if((direct & SOUTH) && y > 1)
++			y--
++		if((direct & EAST) && x < world.maxx)
++			x++
++		else if((direct & WEST) && x > 1)
++			x--
++
++	Moved(oldloc, direct)
+ 
+ /mob/dead/observer/is_active()
+ 	return 0