LINDA -> MILLA (#25328)

* LINDA -> MILLA

* Tiles now change their atmos mode properly.

* Fixed a bug that made walls generate supercold air when deconstructed/destroyed.

* Apply suggestions from code review

Co-authored-by: Burzah <116982774+Burzah@users.noreply.github.com>
Co-authored-by: GDN <96800819+GDNgit@users.noreply.github.com>
Signed-off-by: Charlie Nolan <funnyman3595@gmail.com>

* Begone, var!

* MILLA -> milla

* Lint.

* More lint.

* Prevent negative/NaN atmos from spreading.

* Made fires start more reliably.

* Undef what the rest should not see.

* Enums are nice.

* Match LINDA better.

* Debugging verbs.

* Debug verb fixes.

* Labelled more lavaland stuff with ATMOS_MODE_LAVALAND

* Block superconductivity on a couple more things for Lavaland.

* Updated milla.dll

* Lavaland map fixes.

* Missed a spot.

* Begone, var! (again)

* Add libmilla_ci.so for continuous integration tests.

* Install/contributing instructions for MILLA.

* Directional plasmaglass windows on shuttles shouldn't stop protecting from heat after moving.

* Banish bad naming.

* Better naming and debug stats for SSair.

* Apply suggestions from code review

Co-authored-by: AffectedArc07 <25063394+AffectedArc07@users.noreply.github.com>
Signed-off-by: Charlie Nolan <funnyman3595@gmail.com>

* Magic numbers and formatting.

* Don't screw up the temperature during reactions.

* Efficiency and readability.

* Fix hotspots.

* Removed redundant safety (MILLA will already output an error)

* Optimizations.

* oops

* TGS build script update.

* Change API of gas_mixture and how you get one from a turf.

* Get in there.

* so many vars

* MILLA binary updates.

* Lint

* Made MT cost more honest.

* Gave MILLA a read-only mode.

* More read-only vs synchronized mode work.

* Even more.

* Synchronize disposals.

* Updated a bunch of stuff to use SSair.synchronize or GM.synchronize.

* MILLA <3 Tracy

* lint

* cargo fmt

* more lint

* Test needed MILLA sync.

* Silence atmos machinery that's behaving as intended, but continue objecting to other potential failures to synchronize.

* Push new MILLA DLL

* Build MILLA

* Update PR instructions for MILLA.

* Add some fancy plasmaglass windows to the Lifebringers' ship.

* The golems remembered that they should insulate *all* their engines.

* First round of TM bugfixes.

* Build MILLA

* fix two lavaland ruin turf types

* bunch more maps

* fixes milla ci and makes the interesting turf verb better

* Solid turfs can no longer conduct heat (for now...)

* Made indoor tiles in beach and winter biodomes not lavaland air.

* Re-added random IT teleport, adjusted warning message

* Fixed a tinted window on Lavaland to be a plasglass window instead.

* Made firelocks and holofans heatproof

* Made RPD auto-wrench pipes if you have a wrench in your offhand.

* Runtime fixes.

* Made visuals update more reliably.

* Lint

* Update .github/CONTRIBUTING.md

Co-authored-by: AffectedArc07 <25063394+AffectedArc07@users.noreply.github.com>
Signed-off-by: Charlie Nolan <funnyman3595@gmail.com>

* Build MILLA

* The Syndicate have installed tiny fans on their research base.

* The syndicate have figured out how to make plastitanium windows heatproof.

* This is getting out of hand. Now there are two of them.

* Un-break the auto-wrenching that I broke before committing.

* Build MILLA

* Build MILLA

* Massive MILLA refactor, assorted bugfixes.

* Build MILLA

* Explicit typing.

* Less sleeping/blocking.

* Build MILLA

* Yes, yes, this part can sleep.

* Build MILLA

* SSair reporting improvements.

* Build MILLA

* Please do not dock twice and splat yourself.

* Build MILLA

* Pls to not make SM go nuts.

* Build MILLA

* Build MILLA

* Added stricter lower bounds on plasmafire, fixing perpetually-burning SM.

* Build MILLA

* Lint

* Temporary logging, begone.

* Build MILLA

* Prevent hotspot strobing.

* Add in radiate_to_spess behavior.

* Build MILLA

* progress

* Compiling is good.

* bugfixes

* Progress.

* Ruins update.

* This one exists.

* Fixup temporary hotspots to last longer than one tick.

* Add/fix comments.

* Cut the slash.

* Fix test.

* No sleep for you.

* Build MILLA

* Prevent nested MILLA safety from runtiming.

* Build MILLA

* Runtime fix.

* Build MILLA

* Fix canisters not updating icon when gas contents change.

* Build MILLA

* Build MILLA

* Fixed an issue that made mechs very cold on environment air.

* Build MILLA

* oops

* Build MILLA

* Walls can make loud noises again.

* Build MILLA

* Fixes a rare runtime.

* Build MILLA

* Update .github/DOWNLOADING.md

Co-authored-by: AffectedArc07 <25063394+AffectedArc07@users.noreply.github.com>
Signed-off-by: Charlie Nolan <funnyman3595@gmail.com>

* Review suggestions

* Lint

* Build MILLA

* bound_mixtures now only contains mixtures that can be written

* Build MILLA

* Apply suggestions from code review

Co-authored-by: Matt <116982774+Burzah@users.noreply.github.com>
Signed-off-by: Charlie Nolan <funnyman3595@gmail.com>

* Build MILLA

* Restore the original async behavior of pyro anomalies.

* Build MILLA

* Build MILLA

* Make the safety assertion in /datum/milla_safe safer.

* Build MILLA

---------

Signed-off-by: Charlie Nolan <funnyman3595@gmail.com>
Co-authored-by: FunnyMan3595 (Charlie Nolan) <funnyman@google.com>
Co-authored-by: Burzah <116982774+Burzah@users.noreply.github.com>
Co-authored-by: GDN <96800819+GDNgit@users.noreply.github.com>
Co-authored-by: AffectedArc07 <25063394+AffectedArc07@users.noreply.github.com>
Co-authored-by: paradisess13[bot] <165046124+paradisess13[bot]@users.noreply.github.com>
Co-authored-by: warriorstar-orion <orion@snowfrost.garden>
Co-authored-by: GDN <Roanrichards1@Gmail.com>

code/game/objects/effects/effect_system/effects_foam.dm

@@ -178,12 +178,12 @@
 
 /obj/structure/foamedmetal/Initialize()
 	. = ..()
-	air_update_turf(1)
+	recalculate_atmos_connectivity()
 
 /obj/structure/foamedmetal/Destroy()
 	var/turf/T = get_turf(src)
 	. = ..()
-	T.air_update_turf(TRUE)
+	T.recalculate_atmos_connectivity()
 
 /obj/structure/foamedmetal/Move()
 	var/turf/T = loc
@@ -221,5 +221,5 @@
 /obj/structure/foamedmetal/CanPass(atom/movable/mover, turf/target)
 	return !density
 
-/obj/structure/foamedmetal/CanAtmosPass()
+/obj/structure/foamedmetal/CanAtmosPass(direction)
 	return !density

code/game/objects/effects/effect_system/effects_smoke.dm

@@ -152,16 +152,9 @@
 /datum/effect_system/smoke_spread/freezing/proc/Chilled(atom/A)
 	if(issimulatedturf(A))
 		var/turf/simulated/T = A
-		if(T.air)
-			var/datum/gas_mixture/G = T.air
-			if(get_dist(T, src) < 2) // Otherwise we'll get silliness like people using Nanofrost to kill people through walls with cold air
-				G.temperature = 2
-			T.air_update_turf()
-			for(var/obj/effect/hotspot/H in T)
-				qdel(H)
-				if(G.toxins)
-					G.nitrogen += (G.toxins)
-					G.toxins = 0
+		if(!T.blocks_air)
+			var/datum/milla_safe/smoke_spread_chill/milla = new()
+			milla.invoke_async(src, T)
 		for(var/obj/machinery/atmospherics/unary/vent_pump/V in T)
 			if(!isnull(V.welded) && !V.welded) //must be an unwelded vent pump.
 				V.welded = TRUE
@@ -177,6 +170,18 @@
 		for(var/obj/item/Item in T)
 			Item.extinguish()
 
+/datum/milla_safe/smoke_spread_chill
+
+/datum/milla_safe/smoke_spread_chill/on_run(datum/effect_system/smoke_spread/smoke, turf/T)
+	var/datum/gas_mixture/env = get_turf_air(T)
+	if(get_dist(T, smoke) < 2) // Otherwise we'll get silliness like people using Nanofrost to kill people through walls with cold air
+		env.set_temperature(2)
+	for(var/obj/effect/hotspot/H in T)
+		qdel(H)
+		if(env.toxins())
+			env.set_nitrogen(env.nitrogen() + env.toxins())
+			env.set_toxins(0)
+
 /datum/effect_system/smoke_spread/freezing/set_up(amount = 5, only_cardinals = FALSE, source, desired_direction, datum/reagents/chemicals, blasting = FALSE)
 	..()
 	blast = blasting