a

code/game/turfs/change_turf.dm

@@ -151,6 +151,7 @@ GLOBAL_LIST_INIT(multiz_hole_baseturfs, typecacheof(list(
 		lc_bottomleft = old_lc_bottomleft
 		if (old_opacity != opacity || dynamic_lighting != old_dynamic_lighting)
 			reconsider_lights()
+			updateVisibility(src)
 
 		if (dynamic_lighting != old_dynamic_lighting)
 			if (IS_DYNAMIC_LIGHTING(src))

code/game/turfs/simulated.dm

@@ -32,8 +32,6 @@
 		levelupdate()
 	PROFILE_TICK
 	// HOOK FOR MOB/FREELOOK SYSTEM
-	updateVisibility(src)
-	#warn above
 	PROFILE_TICK
 
 // This is not great.

code/game/world.dm

@@ -18,6 +18,7 @@ GLOBAL_LIST(topic_status_cache)
 //This happens after the Master subsystem new(s) (it's a global datum)
 //So subsystems globals exist, but are not initialised
 /world/New()
+	LINE_PROFILE_START
 	var/debug_server = world.GetConfig("env", "AUXTOOLS_DEBUG_DLL")
 	if (debug_server)
 		call(debug_server, "auxtools_init")()
@@ -422,7 +423,7 @@ GLOBAL_REAL_VAR(world_log_redirected) = FALSE
 		. += "[GLOB.using_map.station_short], "
 
 	. += "[get_security_level()] alert, "
-	
+
 	. += "[GLOB.clients.len] players"
 
 	status = .

code/modules/clothing/glasses/hud.dm

@@ -29,7 +29,7 @@
 	item_state_slots = list(slot_r_hand_str = "headset", slot_l_hand_str = "headset")
 	body_parts_covered = 0
 
-/obj/item/clothing/glasses/hud/security/Iniialize(mapload)
+/obj/item/clothing/glasses/hud/security/Initialize(mapload)
 	. = ..()
 	AddElement(/datum/element/clothing/hud_granter, list(DATA_HUD_SECURITY_ADVANCED), list(slot_glasses))
 
@@ -65,7 +65,7 @@
 	enables_planes = list(VIS_AUGMENTED)
 	plane_slots = list(slot_glasses)
 
-/obj/item/clothing/glasses/omnihud/Iniialize(mapload)
+/obj/item/clothing/glasses/omnihud/Initialize(mapload)
 	. = ..()
 	AddElement(/datum/element/clothing/hud_granter, list(DATA_HUD_ID_JOB), list(slot_glasses))
 
@@ -140,7 +140,7 @@
 	tgarscreen_path = /datum/tgui_module/crew_monitor/glasses
 	enables_planes = list(VIS_AUGMENTED)
 
-/obj/item/clothing/glasses/omnihud/med/Iniialize(mapload)
+/obj/item/clothing/glasses/omnihud/med/Initialize(mapload)
 	. = ..()
 	AddElement(/datum/element/clothing/hud_granter, list(DATA_HUD_ID_JOB, DATA_HUD_MEDICAL), list(slot_glasses))
 
@@ -161,7 +161,7 @@
 	enables_planes = list(VIS_AUGMENTED)
 
 
-/obj/item/clothing/glasses/omnihud/sec/Iniialize(mapload)
+/obj/item/clothing/glasses/omnihud/sec/Initialize(mapload)
 	. = ..()
 	AddElement(/datum/element/clothing/hud_granter, list(DATA_HUD_SECURITY_ADVANCED, DATA_HUD_MEDICAL), list(slot_glasses))
 
@@ -257,7 +257,7 @@
 	flash_protection = FLASH_PROTECTION_MAJOR
 	enables_planes = list(VIS_AUGMENTED)
 
-/obj/item/clothing/glasses/omnihud/all/Iniialize(mapload)
+/obj/item/clothing/glasses/omnihud/all/Initialize(mapload)
 	. = ..()
 	AddElement(/datum/element/clothing/hud_granter, list(DATA_HUD_SECURITY_ADVANCED, DATA_HUD_MEDICAL), list(slot_glasses))
 

code/modules/holomap/generate_holomap.dm

@@ -40,7 +40,6 @@
 			smooshTetherHolomaps(smoosh_list)
 
 	holomaps_initialized = TRUE
-	admin_notice("<span class='notice'>Holomaps initialized in [round(0.1*(world.timeofday-start_time),0.1)] seconds.</span>", R_DEBUG)
 
 	// TODO - Check - They had a delayed init perhaps?
 	for (var/obj/machinery/station_map/S in station_holomaps)

code/modules/mob/freelook/update_triggers.dm

@@ -12,10 +12,6 @@
 /turf/drain_power()
 	return -1
 
-/turf/simulated/Destroy()
-	updateVisibility(src)
-	return ..()
-
 // STRUCTURES
 
 /obj/structure/Destroy()
@@ -34,7 +30,8 @@
 
 /obj/effect/Initialize(mapload)
 	. = ..()
-	updateVisibility(src)
+	if(!mapload)
+		updateVisibility(src)
 
 // DOORS
 

code/modules/mob/freelook/visualnet.dm

@@ -7,6 +7,8 @@
 	var/list/chunks = list()
 	var/ready = 0
 	var/chunk_type = /datum/chunk
+	/// are we generated at all?
+	var/any_generated = FALSE
 
 /datum/visualnet/New()
 	..()
@@ -30,6 +32,7 @@
 	y &= ~0xf
 	var/key = "[x],[y],[z]"
 	if(!chunks[key])
+		any_generated = TRUE
 		chunks[key] = new chunk_type(null, x, y, z)
 
 	return chunks[key]
@@ -64,7 +67,7 @@
 
 /datum/visualnet/proc/updateVisibility(atom/A, var/opacity_check = 1)
 
-	if(!SSticker || (opacity_check && !A.opacity))
+	if(!any_generated || (opacity_check && !A.opacity))
 		return
 	majorChunkChange(A, 2)