Continual updates until merged

code/controllers/master.dm

@@ -164,12 +164,15 @@ GLOBAL_REAL(Master, /datum/controller/master) = new
 
 // Please don't stuff random bullshit here,
 // 	Make a subsystem, give it the SS_NO_FIRE flag, and do your work in it's Initialize()
-/datum/controller/master/Initialize(delay, init_sss)
+/datum/controller/master/Initialize(delay, init_sss, tgs_prime)
 	set waitfor = 0
 
 	if(delay)
 		sleep(delay)
 
+	if(tgs_prime)
+		world.TgsInitializationComplete()
+
 	if(init_sss)
 		init_subtypes(/datum/controller/subsystem, subsystems)
 
@@ -202,7 +205,6 @@ GLOBAL_REAL(Master, /datum/controller/master) = new
 	world.fps = CONFIG_GET(number/fps)
 	var/initialized_tod = REALTIMEOFDAY
 
-	world.TgsInitializationComplete()
 	if(sleep_offline_after_initializations)
 		world.sleep_offline = TRUE
 	sleep(1)
@@ -612,4 +614,4 @@ GLOBAL_REAL(Master, /datum/controller/master) = new
 	if (client_count < CONFIG_GET(number/mc_tick_rate/disable_high_pop_mc_mode_amount))
 		processing = CONFIG_GET(number/mc_tick_rate/base_mc_tick_rate)
 	else if (client_count > CONFIG_GET(number/mc_tick_rate/high_pop_mc_mode_amount))
-		processing = CONFIG_GET(number/mc_tick_rate/high_pop_mc_tick_rate)
+		processing = CONFIG_GET(number/mc_tick_rate/high_pop_mc_tick_rate)

code/controllers/subsystem/job.dm

@@ -15,6 +15,7 @@ SUBSYSTEM_DEF(job)
 	var/overflow_role = "Assistant"
 
 /datum/controller/subsystem/job/Initialize(timeofday)
+	SSmapping.HACK_LoadMapConfig()
 	if(!occupations.len)
 		SetupOccupations()
 	if(CONFIG_GET(flag/load_jobs_from_txt))

code/controllers/subsystem/mapping.dm

@@ -34,17 +34,17 @@ SUBSYSTEM_DEF(mapping)
 	var/datum/space_level/transit
 	var/datum/space_level/empty_space
 
-/datum/controller/subsystem/mapping/PreInit()
+//dlete dis once #39770 is resolved
+/datum/controller/subsystem/mapping/proc/HACK_LoadMapConfig()
 	if(!config)
 #ifdef FORCE_MAP
 		config = load_map_config(FORCE_MAP)
 #else
 		config = load_map_config(error_if_missing = FALSE)
 #endif
-	return ..()
-
 
 /datum/controller/subsystem/mapping/Initialize(timeofday)
+	HACK_LoadMapConfig()
 	if(initialized)
 		return
 	if(config.defaulted)
@@ -493,4 +493,4 @@ GLOBAL_LIST_EMPTY(the_station_areas)
 	clearing |= used_turfs		//used turfs is an associative list, BUT, reserve_turfs() can still handle it. If the code above works properly, this won't even be needed as the turfs would be freed already.
 	unused_turfs.Cut()
 	used_turfs.Cut()
-	reserve_turfs(clearing)
+	reserve_turfs(clearing)

code/controllers/subsystem/title.dm

@@ -1,13 +1,14 @@
 SUBSYSTEM_DEF(title)
 	name = "Title Screen"
-	flags = SS_NO_FIRE|SS_NO_INIT
+	flags = SS_NO_FIRE
+	init_order = INIT_ORDER_TITLE
 
 	var/file_path
 	var/icon/icon
 	var/icon/previous_icon
 	var/turf/closed/indestructible/splashscreen/splash_turf
 
-/datum/controller/subsystem/title/PreInit()
+/datum/controller/subsystem/title/Initialize()
 	if(file_path && icon)
 		return
 
@@ -21,6 +22,7 @@ SUBSYSTEM_DEF(title)
 	var/list/title_screens = list()
 	var/use_rare_screens = prob(1)
 
+	SSmapping.HACK_LoadMapConfig()
 	for(var/S in provisional_title_screens)
 		var/list/L = splittext(S,"+")
 		if((L.len == 1 && L[1] != "blank.png")|| (L.len > 1 && ((use_rare_screens && lowertext(L[1]) == "rare") || (lowertext(L[1]) == lowertext(SSmapping.config.map_name)))))
@@ -39,6 +41,8 @@ SUBSYSTEM_DEF(title)
 	if(splash_turf)
 		splash_turf.icon = icon
 
+	return ..()
+
 /datum/controller/subsystem/title/vv_edit_var(var_name, var_value)
 	. = ..()
 	if(.)
@@ -62,4 +66,4 @@ SUBSYSTEM_DEF(title)
 	icon = SStitle.icon
 	splash_turf = SStitle.splash_turf
 	file_path = SStitle.file_path
-	previous_icon = SStitle.previous_icon
+	previous_icon = SStitle.previous_icon