Reduce overtime in relay_render_to_plane#11901

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hry-gh merged 2 commits intocmss13-devs:masterfrom

noelle-lavenza:fix/rrtp-overtime

Mar 20, 2026

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noelle-lavenza commented Mar 7, 2026

About the pull request

Instead of checking in screen in relay_render_to_plane, we check an alist that exists specifically for this purpose. This ensures we don't have to loop over the entire screen list searching for each relay. That saves a ton of overtime.

We also don't recreate the planemaster's relay if it already exists. This seems to have saved the rest of the overtime, because now it's extremely low per call.

Explain why it's good for the game

Reduces overtime from 1.93568 per 292193 calls to a projected 0.2783 per 292193 calls (actual numbers are 0.002/2100, so it could be slightly better in practice due to rounding).

With a second change, I was able to get it even lower: for spamming F12 to call show_hud() over and over again, it was 0.001/6755, which is 0.0433 overtime per call. When spamming aghost and Re-enter corpse, it actually had an overtime of 0 for 3465 calls, which is incredible. Everything looks fine as well!

I would feel most comfortable if this was testmerged, but it seemed alright in local testing, at least.

Testing Photographs and Procedure

Runtime map looks fine, stairs aren't broken, openspace isn't broken, darkness/lighting isn't broken.

Screenshots & Videos

Changelog

🆑 MoondancerPony
refactor: refactored plane render relay plate code to reduce overtime lag from observing and changing mobs
/:cl:

noelle-lavenza added 2 commits

March 7, 2026 11:44


          Reduce overtime in relay_render_to_plane

ab7212b


          Avoid recreating render relays every time we clear a client's screen

ae81d26

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cm13-github commented Mar 8, 2026 •

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This was referenced Mar 9, 2026

While on Ovi, Queen can climb walls/to second floor using queen eye. #11909

Open

Rats cannot be healed with simple healing stack items, but they are consumed #11912

Open

Staykeu mentioned this pull request

Almayer quantum jump prevents departing shuttles from landing, plays infinitely looped shuttle landing sound #11918

Closed

3 tasks

This was referenced Mar 10, 2026

Visual bug of items involving handcuffs and aggressive grabs #11920

Open

transmute does not respect dropdown over radial preference #11926

Open

WO xenos can see human tacmap #11927

Open

USCM Solar Devils smartgunner frontline mode bug #11928

Open

MistChristmas mentioned this pull request

Transit space for the Dropships is now too dark to see the stars. #11929

Closed

3 tasks

This was referenced Mar 11, 2026

numpad keys do not work in hotkey menu #11933

Open

If the Almayer is in FTL, ERT shuttles can never dock. #11937

Closed

ICC Survivor Synthetic cannot add CMB Radio to the Radio Tower #11940

Open

Specific ladder on the underground of Tyrargo Rift doesn't let you go back up once you go down #11942

Open

ponchos dont show on mob #11943

Open

Hunting Reserve Cannot Be Used After Almayer Crashes #11949

Closed

m15 frag grenade has no !! grenade sprite when the pin is pulled #11950

Open

Attempting to put jones in the document cabinet gives the denial message six times #11955

Open

Using M56D on an elevated surface may cause you to climb down. #11956

Open

smart tanks pick up enviromental chemicals #11960

Open

rosaries are no longer head accessories #11965

Open

Groundside Operations Console interactable from distance #11970

Closed

dancer afterimage effect is visible through walls #11973

Open

This was referenced Mar 19, 2026

Using Synth Backpack light ability while it is in your hand will start emptying it instead of turning light on #11984

Open

lifeboat corner tiles lack description #11987

Open

cm13-issue-bot mentioned this pull request

Was unable to shoot stunned queen inside a generator #11989

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          Automatic changelog for PR #11901 [ci skip]

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cm13-issue-bot mentioned this pull request

UPP colony corpses spawn with uscm ammo belt instead of upp one #11994

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