Files
Bubberstation/code/controllers/subsystem/vis_overlays.dm
SkyratBot 375fea374a [MIRROR] Optimizes qdel related things (slight init time savings) [MDB IGNORE] (#17240)
* Optimizes qdel related things (slight init time savings)

* lang holder

* cleanup custom spawners slightly

* ref update

Co-authored-by: LemonInTheDark <58055496+LemonInTheDark@users.noreply.github.com>
Co-authored-by: tastyfish <crazychris32@gmail.com>
2022-10-30 23:15:38 -04:00

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SUBSYSTEM_DEF(vis_overlays)
name = "Vis contents overlays"
wait = 1 MINUTES
priority = FIRE_PRIORITY_VIS
init_order = INIT_ORDER_VIS
var/list/vis_overlay_cache
var/list/currentrun
/datum/controller/subsystem/vis_overlays/Initialize()
vis_overlay_cache = list()
return SS_INIT_SUCCESS
/datum/controller/subsystem/vis_overlays/fire(resumed = FALSE)
if(!resumed)
currentrun = vis_overlay_cache.Copy()
var/list/current_run = currentrun
while(current_run.len)
var/key = current_run[current_run.len]
var/obj/effect/overlay/vis/overlay = current_run[key]
current_run.len--
if(!overlay.unused && !length(overlay.vis_locs))
overlay.unused = world.time
else if(overlay.unused && overlay.unused + overlay.cache_expiration < world.time)
vis_overlay_cache -= key
qdel(overlay)
if(MC_TICK_CHECK)
return
//the "thing" var can be anything with vis_contents which includes images - in the future someone should totally allow vis overlays to be passed in as an arg instead of all this bullshit
/datum/controller/subsystem/vis_overlays/proc/add_vis_overlay(atom/movable/thing, icon, iconstate, layer, plane, dir, alpha = 255, add_appearance_flags = NONE, unique = FALSE)
var/obj/effect/overlay/vis/overlay
if(!unique)
. = "[icon]|[iconstate]|[layer]|[plane]|[dir]|[alpha]|[add_appearance_flags]"
overlay = vis_overlay_cache[.]
if(!overlay)
overlay = _create_new_vis_overlay(icon, iconstate, layer, plane, dir, alpha, add_appearance_flags)
vis_overlay_cache[.] = overlay
else
overlay.unused = 0
else
overlay = _create_new_vis_overlay(icon, iconstate, layer, plane, dir, alpha, add_appearance_flags)
overlay.cache_expiration = -1
var/cache_id = "[text_ref(overlay)]@{[world.time]}"
vis_overlay_cache[cache_id] = overlay
. = overlay
thing.vis_contents += overlay
if(!isatom(thing)) // Automatic rotation is not supported on non atoms
return overlay
if(!thing.managed_vis_overlays)
thing.managed_vis_overlays = list(overlay)
else
thing.managed_vis_overlays += overlay
return overlay
/datum/controller/subsystem/vis_overlays/proc/_create_new_vis_overlay(icon, iconstate, layer, plane, dir, alpha, add_appearance_flags)
var/obj/effect/overlay/vis/overlay = new
overlay.icon = icon
overlay.icon_state = iconstate
overlay.layer = layer
overlay.plane = plane
overlay.dir = dir
overlay.alpha = alpha
overlay.appearance_flags |= add_appearance_flags
return overlay
/datum/controller/subsystem/vis_overlays/proc/remove_vis_overlay(atom/movable/thing, list/overlays)
thing.vis_contents -= overlays
if(!isatom(thing))
return
thing.managed_vis_overlays -= overlays
if(!length(thing.managed_vis_overlays))
thing.managed_vis_overlays = null