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Aurora.3/code/controllers/subsystems/icon_updates.dm
Fluffy 8bb0ecfcd3 Icon smoothing and icon update refactor (#17569)
* Atomization

* asdfsadf

* sdfas

---------

Co-authored-by: FluffyGhost <FluffyGhost>
2023-10-12 21:23:28 +00:00

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SUBSYSTEM_DEF(icon_update)
name = "Icon Updates"
wait = 1 // ticks
flags = SS_TICKER
priority = SS_PRIORITY_ICON_UPDATE
init_order = SS_INIT_ICON_UPDATE
/**
* Associative list of atoms -> callback params
* A list of `/atoms` that are waiting to have its icon updated
*/
VAR_PRIVATE/list/icon_update_queue = list()
///Deferred list, contains atoms that were not ready to be processed in the previous run
VAR_PRIVATE/list/deferred = list()
/datum/controller/subsystem/icon_update/New()
NEW_SS_GLOBAL(SSicon_update)
/datum/controller/subsystem/icon_update/stat_entry(msg)
msg = "QU:[icon_update_queue.len]"
return ..()
/datum/controller/subsystem/icon_update/Initialize()
fire(FALSE, TRUE)
..()
/datum/controller/subsystem/icon_update/fire(resumed = FALSE, no_mc_tick = FALSE)
var/list/icon_update_queue_cache = icon_update_queue
while (length(icon_update_queue_cache))
var/atom/A = icon_update_queue_cache[length(icon_update_queue_cache)]
var/list/argv = icon_update_queue_cache[A]
icon_update_queue_cache.len--
if(A.initialized)
A.icon_update_queued = FALSE
//Do not target qdeleted atoms
if(QDELETED(A))
continue
if (islist(argv))
A.update_icon(arglist(argv))
else
A.update_icon()
A.update_above()
A.last_icon_update = world.time
else
src.deferred[A] = argv
if (no_mc_tick)
CHECK_TICK
else if (MC_TICK_CHECK)
return
if (!length(icon_update_queue_cache))
if(deferred.len)
icon_update_queue = deferred
deferred = icon_update_queue_cache
else
can_fire = FALSE
/**
* Adds an atom to the queue to have its icon updated
*
* * item - An `/atom` to add to the queue
* * parameters - Parameters that will be passed to `update_icon()` on callback
*/
/datum/controller/subsystem/icon_update/proc/add_to_queue(var/atom/item, ...)
SHOULD_NOT_SLEEP(TRUE)
var/atom/item_cache = item
//Skip atoms that are being deleted
if(QDELETED(item_cache))
return
if(!item_cache.icon_update_queued && (!item_cache.icon_update_delay || (item_cache.last_icon_update + item_cache.icon_update_delay < world.time)))
item_cache.icon_update_queued = TRUE
//Determine if we got any parameter, and if we do set it in the associative list, otherwise just set it to TRUE
var/list/calling_arguments = length(args) > 1 ? args.Copy(2) : TRUE
src.icon_update_queue[item_cache] = calling_arguments
if(!src.can_fire)
can_fire = TRUE
/**
* Removes an atom from the queue of atoms waiting to have its icon updated
*
* * item - An `/atom` to add to the queue
* * VARIPARAM - Parameters that will be passed to `update_icon()` on callback
*/
/datum/controller/subsystem/icon_update/proc/remove_from_queue(var/atom/item)
SHOULD_NOT_SLEEP(TRUE)
var/atom/item_cache = item
if(item_cache.icon_update_queued)
item_cache.icon_update_queued = FALSE
src.icon_update_queue -= item_cache
src.deferred -= item_cache
/atom
///When was the last time (in `world.time`) that the icon of this atom was updated via `SSicon_update`
var/tmp/last_icon_update = null
///If the atom is currently queued to have it's icon updated in `SSicon_update`
var/tmp/icon_update_queued = FALSE
///Delay to apply before updating the icon in `SSicon_update`
var/icon_update_delay = null
/atom/proc/update_icon()
/**
* DO NOT USE
*
* Left for backward compatibility, use `SSicon_update.add_to_queue(thing)`
*/
/atom/proc/queue_icon_update()
//Skip if we're being deleted
if(QDELETED(src))
return
SSicon_update.add_to_queue(src)