Port VOREStation PR 6914 Speed up map load significantly

- Set initialized = FALSE on unsimulated turfs that need to intialize.
- Most of area/New() to initialize
- Faster lookup of self-init on atoms
- Split air alarm and fire alarm files, move new to initialize
- Tweak decals and opacity

Co-authored-by: Aronai Sieyes <arokha@arokha.com>
Co-authored-by: Leshana <Leshana@users.noreply.github.com>

code/modules/admin/verbs/adminjump.dm

@@ -21,7 +21,7 @@
 	else
 		alert("Admin jumping disabled")
 
-/client/proc/jumptoturf(var/turf/T in turfs)
+/client/proc/jumptoturf(var/turf/T in world)
 	set name = "Jump to Turf"
 	set category = "Admin"
 	if(!check_rights(R_ADMIN|R_MOD|R_DEBUG|R_EVENT))

code/modules/admin/verbs/atmosdebug.dm

@@ -28,7 +28,7 @@
 
 	to_chat(usr, "Checking for overlapping pipes...")
 	next_turf:
-		for(var/turf/T in turfs)
+		for(var/turf/T in world)
 			for(var/dir in cardinal)
 				var/list/connect_types = list(1 = 0, 2 = 0, 3 = 0)
 				for(var/obj/machinery/atmospherics/pipe in T)

code/modules/admin/verbs/grief_fixers.dm

@@ -38,7 +38,7 @@
 		unsorted_overlays |= gas_data.tile_overlay[id]
 
 
-	for(var/turf/simulated/T in turfs)
+	for(var/turf/simulated/T in world)
 		T.air = null
 		T.overlays.Remove(unsorted_overlays)
 		T.zone = null

code/modules/lighting/lighting_turf.dm

@@ -9,12 +9,6 @@
 	var/tmp/list/datum/lighting_corner/corners
 	var/tmp/has_opaque_atom = FALSE // Not to be confused with opacity, this will be TRUE if there's any opaque atom on the tile.
 
-/turf/New()
-	. = ..()
-
-	if(opacity)
-		has_opaque_atom = TRUE
-
 // Causes any affecting light sources to be queued for a visibility update, for example a door got opened.
 /turf/proc/reconsider_lights()
 	for(var/datum/light_source/L in affecting_lights)

code/modules/mob/freelook/update_triggers.dm

@@ -17,8 +17,8 @@
 	updateVisibility(src)
 	return ..()
 
-/turf/simulated/New()
-	..()
+/turf/simulated/Initialize()
+	. = ..()
 	updateVisibility(src)
 
 

code/modules/overmap/_defines.dm

@@ -33,8 +33,8 @@ var/global/list/map_sectors = list()
 	opacity = 1
 	density = 1
 
-/turf/unsimulated/map/New()
-	..()
+/turf/unsimulated/map/Initialize()
+	. = ..()
 	name = "[x]-[y]"
 	var/list/numbers = list()
 

code/modules/random_map/automata/diona.dm

@@ -1,5 +1,5 @@
-/turf/simulated/wall/diona/New(var/newloc)
-	..(newloc,"biomass")
+/turf/simulated/wall/diona/Initialize(mapload)
+	..(mapload, "biomass")
 
 /turf/simulated/wall/diona/attack_generic(var/mob/user, var/damage, var/attack_message)
 	if(istype(user, /mob/living/carbon/alien/diona))

code/modules/turbolift/turbolift_turfs.dm

@@ -1,2 +1,2 @@
-/turf/simulated/wall/elevator/New(var/newloc)
-	..(newloc,"elevatorium")
+/turf/simulated/wall/elevator/Initialize(mapload)
+	..(mapload, "elevatorium")