/atom New() => Initialize() [MDB IGNORE] (#8298)

* Find and replace argless atom New() to Initialize().

* Manual replacement of no-arg New() to Initialize().

* Manually replacing remaining New() overrides.

* Fixing linter issues with now-removed New() args.

* Tidying area init overrides.

* Porting Neb's atom subsystem.

* Trying to isolate init problems.

* Adjusting Init code post-test.

* Merging duplicate Initialize() procs.

* Merge resolution.

code/modules/overmap/ships/computers/ship.dm

@@ -10,7 +10,7 @@ somewhere on that shuttle. Subtypes of these can be then used to perform ship ov
 	var/list/whitelisted_types = list(/obj/effect/overmap/visitable/ship)
 	var/list/blacklisted_types = list()
 
-/obj/machinery/computer/ship/New()
+/obj/machinery/computer/ship/Initialize()
 	. = ..()
 	var/list/L = list()
 	for(var/type in whitelisted_types)

code/modules/overmap/ships/engines/gas_thruster.dm

@@ -191,11 +191,13 @@
 	light_color = "#ed9200"
 	anchored = 1
 
-/obj/effect/engine_exhaust/New(var/turf/nloc, var/ndir, var/flame)
-	..(nloc)
+/obj/effect/engine_exhaust/Initialize(var/ml, var/ndir, var/flame)
+	. = ..(ml)
 	if(flame)
 		icon_state = "exhaust"
-		nloc.hotspot_expose(1000,125)
+		if(isturf(loc))
+			var/turf/T = loc
+			T.hotspot_expose(1000,125)
 		set_light(0.5, 3)
 	set_dir(ndir)
 	QDEL_IN(src, 20)

code/modules/overmap/ships/engines/thermal.dm

@@ -88,12 +88,10 @@
 	icon_state = "exhaust"
 	anchored = 1
 
-	New(var/turf/nloc, var/ndir, var/temp)
-		set_dir(ndir)
-		..(nloc)
-
-		if(nloc)
-			nloc.hotspot_expose(temp,125)
-
-		spawn(20)
-			loc = null
+/obj/effect/engine_exhaust/Initialize(var/ml, var/ndir, var/temp)
+	set_dir(ndir)
+	. = ..()
+	if(isturf(loc))
+		var/turf/nloc = turf
+		nloc.hotspot_expose(temp,125)
+	QDEL_IN(2 SECONDS)