Files
5fec421dae Destroy several sources of lag (#21422)
Destroys a ton of sources of lag:

- /obj/machinery/biogenerator/interact and
/obj/machinery/computer/rdconsole/attack_hand

Both of these call REF(src) constantly on their UI update, which also
happens constantly. Death by a thousand cuts

- /obj/machinery/button/ignition/attack_hand and
/obj/machinery/button/switch/holosign/attack_hand

Sleeps rather than timers, iterating the entire machinery list rather
than just storing the IDs we need at roundstart

- /obj/machinery/telecomms/update_icon and /obj/machinery/meter/process

Calling overlay updates WAY TOO MUCH. UpdateOverlays is a significant
overhead for the server at this point and the two of these combined are
responsible for a little over 20% of updates. They now should only
update overlays when necessary rather than every tick.

- NEW! /obj/machinery/disposal/proc/update and
/obj/machinery/portable_atmospherics/hydroponics/update_icon

These two were also offenders, worse than telecomms but better than
meters. They have also been brought into line.

- /mob/living/carbon/slime

Hard-del'd if grinded into slime extract less than two minutes after
being "born". Fixed by adding TIMER_DELETE_ME flag.

---------

Co-authored-by: Matt Atlas <liermattia@gmail.com>
2025-10-04 11:05:07 +00:00

94 lines
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////////////////////HOLOSIGN///////////////////////////////////////
/obj/machinery/holosign
name = "holosign"
desc = "Small wall-mounted holographic projector"
icon = 'icons/obj/holosign.dmi'
icon_state = "sign_off"
layer = ABOVE_DOOR_LAYER
idle_power_usage = 2
active_power_usage = 4
anchored = 1
var/lit = 0
var/id = null
var/on_icon = "sign_on"
var/_wifi_id
var/datum/wifi/receiver/button/holosign/wifi_receiver
/obj/machinery/holosign/Initialize()
. = ..()
if(_wifi_id)
wifi_receiver = new(_wifi_id, src)
/obj/machinery/holosign/Destroy()
qdel(wifi_receiver)
wifi_receiver = null
return ..()
/obj/machinery/holosign/proc/toggle()
if (stat & (BROKEN|NOPOWER))
return
lit = !lit
update_use_power(lit ? POWER_USE_ACTIVE : POWER_USE_IDLE)
update_icon()
/obj/machinery/holosign/update_icon()
if (!lit)
icon_state = "sign_off"
else
icon_state = on_icon
/obj/machinery/holosign/power_change()
..()
if (stat & NOPOWER)
lit = 0
update_use_power(POWER_USE_OFF)
update_icon()
/obj/machinery/holosign/surgery
name = "surgery holosign"
desc = "Small wall-mounted holographic projector. This one reads SURGERY."
on_icon = "surgery"
/obj/machinery/holosign/service
name = "service holosign"
on_icon = "serviceopen"
desc = "A small wall-mounted holographic projector. This one reads OPEN."
/obj/machinery/holosign/service/update_icon()
if(!lit)
icon_state = "serviceclosed"
else
icon_state = on_icon
////////////////////SWITCH///////////////////////////////////////
/obj/machinery/button/switch/holosign
name = "holosign switch"
desc = "A remote control switch for a holosign."
icon_state = "light0"
var/list/datum/weakref/linked_signs
/obj/machinery/button/switch/holosign/Initialize()
..()
return INITIALIZE_HINT_LATELOAD
/obj/machinery/button/switch/holosign/LateInitialize()
. = ..()
for(var/obj/machinery/holosign/H in SSmachinery.machinery)
if(H.id == id)
LAZYADD(linked_signs, WEAKREF(H))
/obj/machinery/button/switch/holosign/attack_hand(mob/user as mob)
if(..())
return
add_fingerprint(user)
active = !active
update_icon()
for(var/datum/weakref/W in linked_signs)
var/obj/machinery/holosign/H = W.resolve()
if(!isnull(H))
INVOKE_ASYNC(H, TYPE_PROC_REF(/obj/machinery/holosign, toggle))
return