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Bubberstation/code/modules/client/preferences/assets.dm
SkyratBot 7579176eed [MIRROR] Adds lazyloading to the asset subsystems [MDB IGNORE] (#15960)
* Adds lazyloading to the asset subsystems (#69454)

* Adds lazyloading to the asset subsystems

This currently applies only to spritesheets because of how monumentally
expensive they are.
If an asset is requested it will immediately be fully loaded, but
otherwise we slowly load them in with a separate subsystem.

This allows us to not hold up initialize with hair stuff. Saves roughly
33% (16 seconds with LOW_MEMORY_MODE) of initialize on my machine

My target is something closer to the 9 second init that had back in
2019, this is a good first step. Lets see how much more we can do yeah
lads?

Co-authored-by: san7890 <the@ san7890.com>

* Adds lazyloading to the asset subsystems

Co-authored-by: LemonInTheDark <58055496+LemonInTheDark@users.noreply.github.com>
Co-authored-by: san7890 <the@ san7890.com>
2022-09-02 19:49:04 -04:00

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/// Assets generated from `/datum/preference` icons
/datum/asset/spritesheet/preferences
name = "preferences"
early = TRUE
cross_round_cachable = TRUE
/datum/asset/spritesheet/preferences/create_spritesheets()
var/list/to_insert = list()
for (var/preference_key in GLOB.preference_entries_by_key)
var/datum/preference/choiced/preference = GLOB.preference_entries_by_key[preference_key]
if (!istype(preference))
continue
if (!preference.should_generate_icons)
continue
var/list/choices = preference.get_choices_serialized()
for (var/preference_value in choices)
var/create_icon_of = choices[preference_value]
var/icon/icon
var/icon_state
if (ispath(create_icon_of, /atom))
var/atom/atom_icon_source = create_icon_of
icon = initial(atom_icon_source.icon)
icon_state = initial(atom_icon_source.icon_state)
else if (isicon(create_icon_of))
icon = create_icon_of
else
CRASH("[create_icon_of] is an invalid preference value (from [preference_key]:[preference_value]).")
to_insert[preference.get_spritesheet_key(preference_value)] = list(icon, icon_state)
for (var/spritesheet_key in to_insert)
var/list/inserting = to_insert[spritesheet_key]
Insert(spritesheet_key, inserting[1], inserting[2])
/// Returns the key that will be used in the spritesheet for a given value.
/datum/preference/proc/get_spritesheet_key(value)
return "[savefile_key]___[sanitize_css_class_name(value)]"
/// Sends information needed for shared details on individual preferences
/datum/asset/json/preferences
name = "preferences"
/datum/asset/json/preferences/generate()
var/list/preference_data = list()
for (var/middleware_type in subtypesof(/datum/preference_middleware))
var/datum/preference_middleware/middleware = new middleware_type
var/data = middleware.get_constant_data()
if (!isnull(data))
preference_data[middleware.key] = data
qdel(middleware)
for (var/preference_type in GLOB.preference_entries)
var/datum/preference/preference_entry = GLOB.preference_entries[preference_type]
var/data = preference_entry.compile_constant_data()
if (!isnull(data))
preference_data[preference_entry.savefile_key] = data
return preference_data