Porting "Adjacent Atmos subsystem revival"

code/game/turfs/change_turf.dm

@@ -15,7 +15,7 @@ GLOBAL_LIST_INIT(blacklisted_automated_baseturfs, typecacheof(list(
 	if(turf_type)
 		var/turf/newT = ChangeTurf(turf_type, baseturf_type, flags)
 		SSair.remove_from_active(newT)
-		newT.CalculateAdjacentTurfs()
+		CALCULATE_ADJACENT_TURFS(newT)
 		SSair.add_to_active(newT,1)
 
 /turf/proc/copyTurf(turf/T)
@@ -140,6 +140,8 @@ GLOBAL_LIST_INIT(blacklisted_automated_baseturfs, typecacheof(list(
 			newTurf.air = stashed_air
 		SSair.add_to_active(newTurf)
 	else
+		if(ispath(path,/turf/closed))
+			flags |= CHANGETURF_RECALC_ADJACENT
 		return ..()
 
 // Take off the top layer turf and replace it with the next baseturf down
@@ -263,7 +265,10 @@ GLOBAL_LIST_INIT(blacklisted_automated_baseturfs, typecacheof(list(
 //If you modify this function, ensure it works correctly with lateloaded map templates.
 /turf/proc/AfterChange(flags) //called after a turf has been replaced in ChangeTurf()
 	levelupdate()
-	CalculateAdjacentTurfs()
+	if(flags & CHANGETURF_RECALC_ADJACENT)
+		ImmediateCalculateAdjacentTurfs()
+	else
+		CALCULATE_ADJACENT_TURFS(src)
 
 	//update firedoor adjacency
 	var/list/turfs_to_check = get_adjacent_open_turfs(src) | src

code/game/turfs/open.dm

@@ -200,7 +200,7 @@
 	update_visuals()
 
 	current_cycle = times_fired
-	CalculateAdjacentTurfs()
+	ImmediateCalculateAdjacentTurfs()
 	for(var/i in atmos_adjacent_turfs)
 		var/turf/open/enemy_tile = i
 		var/datum/gas_mixture/enemy_air = enemy_tile.return_air()

code/game/turfs/turf.dm

@@ -62,7 +62,7 @@
 		add_overlay(/obj/effect/fullbright)
 
 	if(requires_activation)
-		CalculateAdjacentTurfs()
+		CALCULATE_ADJACENT_TURFS(src)
 		SSair.add_to_active(src)
 
 	if (light_power && light_range)
@@ -85,7 +85,7 @@
 	return INITIALIZE_HINT_NORMAL
 
 /turf/proc/Initalize_Atmos(times_fired)
-	CalculateAdjacentTurfs()
+	CALCULATE_ADJACENT_TURFS(src)
 
 /turf/Destroy(force)
 	. = QDEL_HINT_IWILLGC