Port /tg/ vis_contents openspace

code/controllers/subsystems/open_space.dm

@@ -1,107 +0,0 @@
-//
-// Controller handling icon updates of open space turfs
-//
-
-GLOBAL_VAR_INIT(open_space_initialised, FALSE)
-
-SUBSYSTEM_DEF(open_space)
-	name = "Open Space"
-	wait = 2 // 5 times per second.
-	init_order = INIT_ORDER_OPENSPACE
-	var/list/turfs_to_process = list()		// List of turfs queued for update.
-	var/list/turfs_to_process_old = null	// List of turfs currently being updated.
-	var/counter = 1 // Can't use .len because we need to iterate in order
-	var/static/image/over_OS_darkness		// Image overlayed over the bottom turf with stuff in it.
-
-/datum/controller/subsystem/open_space/Initialize(timeofday)
-	over_OS_darkness = image('icons/turf/open_space.dmi', "black_open")
-	over_OS_darkness.plane = OVER_OPENSPACE_PLANE
-	over_OS_darkness.layer = MOB_LAYER
-	initialize_open_space()
-	// Pre-process open space turfs once before the round starts.
-	fire(FALSE, TRUE)
-	return ..()
-
-/datum/controller/subsystem/open_space/Recover()
-	flags |= SS_NO_INIT // Make extra sure we don't initialize twice.
-	. = ..()
-
-/datum/controller/subsystem/open_space/fire(resumed = 0, init_tick_checks = FALSE)
-	// We use a different list so any additions to the update lists during a delay from MC_TICK_CHECK
-	// don't cause things to be cut from the list without being updated.
-
-	//If we're not resuming, this must mean it's a new iteration so we have to grab the turfs
-	if (!resumed)
-		src.counter = 1
-		src.turfs_to_process_old = turfs_to_process
-		turfs_to_process = list()
-
-	//cache for sanic speed (lists are references anyways)
-	var/list/turfs_to_process_old = src.turfs_to_process_old
-	var/counter = src.counter
-	while(counter <= turfs_to_process_old.len)
-		var/turf/T = turfs_to_process_old[counter]
-		counter += 1
-		if(!QDELETED(T))
-			update_turf(T)
-		if (init_tick_checks)
-			CHECK_TICK // Used during initialization processing
-		else if (MC_TICK_CHECK)
-			src.counter = counter // Save for when we're resumed
-			return // Used during normal MC processing.
-
-/datum/controller/subsystem/open_space/proc/update_turf(var/turf/T)
-	for(var/atom/movable/A in T)
-		A.fall()
-	T.update_icon()
-
-/datum/controller/subsystem/open_space/proc/add_turf(var/turf/T, var/recursive = 0)
-	ASSERT(isturf(T))
-	// Check for multiple additions
-	// Pointless to process the same turf twice. But we need to push it to the end of the list
-	// because any turfs below it need to process first.
-	turfs_to_process -= T
-	turfs_to_process += T
-	if(recursive > 0)
-		var/turf/above = GetAbove(T)
-		if(above && isopenspace(above))
-			add_turf(above, recursive)
-
-// Queue the initial updates of open space turfs when the game starts. This will lag!
-/datum/controller/subsystem/open_space/proc/initialize_open_space()
-	// Do initial setup from bottom to top.
-	for(var/zlevel = 1 to world.maxz)
-		for(var/turf/simulated/open/T in block(locate(1, 1, zlevel), locate(world.maxx, world.maxy, zlevel)))
-			add_turf(T)
-		CHECK_TICK
-	GLOB.open_space_initialised = TRUE
-
-/datum/controller/subsystem/open_space/stat_entry(msg_prefix)
-	return ..("T [turfs_to_process.len]")
-
-/obj/update_icon()
-	. = ..()
-	if(GLOB.open_space_initialised && !invisibility && isturf(loc))
-		var/turf/T = GetAbove(src)
-		if(isopenspace(T))
-			// log_debug("[T] ([T.x],[T.y],[T.z]) queued for update for [src].update_icon()")
-			SSopen_space.add_turf(T, 1)
-
-// Ouch... this is painful. But is there any other way?
-/* - No for now
-/obj/New()
-	. = ..()
-	if(open_space_initialised && !invisibility)
-		var/turf/T = GetAbove(src)
-		if(isopenspace(T))
-			// log_debug("[T] ([T.x],[T.y],[T.z]) queued for update for [src]New()")
-			OS_controller.add_turf(T, 1)
-*/
-
-// We probably should hook Destroy() If we can think of something more efficient, lets hear it.
-/obj/Destroy()
-	if(GLOB.open_space_initialised && !invisibility && isturf(loc))
-		var/turf/T = GetAbove(src)
-		if(isopenspace(T))
-			SSopen_space.add_turf(T, 1)
-	. = ..() // Important that this be at the bottom, or we will have been moved to nullspace.