# Description
This PR ports some fixes to the order of operations for air pressure
processing, which will help fix issues with temperature not correctly
diffusing, as well as errors in the order of operations processing that
made it so that Space Wind was receiving wildly incorrect pressure
values.
Additionally, this fixes a math error that made it so that the diagonal
airflows were contributing 41% more to airflows, making diagonal motion
unusually harsh. There's still two more bugs I need to fix though.
# Description
This PR fixes all remaining bugs with Space Wind, while providing
extremely significant performance improvements by way of aggressive
early exits, and also completely reworking how pressure moved entities
are tracked(The server now caches entities under active air movements).
I haven't profiled it yet, but the performance improvements are
extremely noticeable on the machine I'm running in comparison to before,
which is particularly noteworthy since previous versions of space wind
caused significant frame drops in testing on my monster rig. While this
new update to space wind straight up doesn't even budge the tickrate on
my machine anymore.
I had to also rip out some of Monstermos' Guts, and deprecate the
tileripping system. In the future, Tile-ripping will be handled by MAS.
Also, MAS outright no longer requires Monstermos to work, and can
operate entirely off of the much cheaper LINDA system. However, while
LINDA is cheaper, Monstermos is needed for handling "Extra violent air".
Eventually I can do away with Monstermos entirely, and have it replaced
with an airflow system that outright does not require pathfinding
algorithms.
# Changelog
🆑
- fix: Fixed a bug where items thrown by space wind could remain in air
for as long as 500 seconds. Items thrown by space wind can now remain in
the air for a maximum of 2 seconds past the last time they were thrown.
- fix: DRAMATICALLY IMPROVED SPACE WIND PERFORMANCE.
- tweak: ShowAtmos command now shows vectors representing the exact
direction space wind at a given tile is trying to throw objects! The
length of the lines shown directly correspond to how powerful the flow
of air is at that tile. Shorter lines = shorter throws. Longer lines =
more powerful throws. These are also no longer restricted to compass
directions, and can point in arbitrarily any direction on a circle.
- tweak: Space Wind now no longer has Monstermos as a hard requirement.
It'll be as weak as a toddler without it, but if you're running your
server on a toaster, you can turn off Monstermos and still have working
space wind.
- tweak: Wreckages in space are now never airtight. I'm sorry, but this
was basically the cost I had to pay in exchange for making Atmos no
longer even on the top 20 systems for server tickrate cost.
(cherry picked from commit 2fcc806423a259fd75977b78350c2232a823739b)
## Mirror of PR #26441: [Fix atmos NaN
error](https://github.com/space-wizards/space-station-14/pull/26441)
from <img src="https://avatars.githubusercontent.com/u/10567778?v=4"
alt="space-wizards" width="22"/>
[space-wizards](https://github.com/space-wizards)/[space-station-14](https://github.com/space-wizards/space-station-14)
###### `fdb4a61487db9fc67714c913832427063abdea42`
PR opened by <img
src="https://avatars.githubusercontent.com/u/60421075?v=4"
width="16"/><a href="https://github.com/ElectroJr"> ElectroJr</a> at
2024-03-26 04:27:08 UTC - merged at 2024-03-26 04:44:56 UTC
---
PR changed 16 files with 43 additions and 25 deletions.
The PR had the following labels:
- Status: Needs Review
---
<details open="true"><summary><h1>Original Body</h1></summary>
> - Fixes a bug I introduced in #22521 that caused the temperature to be
set to `NaN`. I don't know for sure, but I assume this is causing the
current atmos issues
> - Fixes `FixVacuum` not working after #22521
> - Removes some redundant yaml that was setting FixVacuum to its
default value
>
> 🆑
> - fix: Fixed an atmos bug, which was (probably) causing atmospherics
on the station to behave incorrectly.
</details>
Co-authored-by: SimpleStation14 <Unknown>
## Mirror of PR #22521: [Partial atmos
refactor](https://github.com/space-wizards/space-station-14/pull/22521)
from <img src="https://avatars.githubusercontent.com/u/10567778?v=4"
alt="space-wizards" width="22"/>
[space-wizards](https://github.com/space-wizards)/[space-station-14](https://github.com/space-wizards/space-station-14)
###### `18a35e7e83b2b71ee84b054d44d9ed5e595dd618`
PR opened by <img
src="https://avatars.githubusercontent.com/u/60421075?v=4"
width="16"/><a href="https://github.com/ElectroJr"> ElectroJr</a> at
2023-12-15 03:45:42 UTC
---
PR changed 43 files with 891 additions and 635 deletions.
The PR had the following labels:
- Status: Needs Review
---
<details open="true"><summary><h1>Original Body</h1></summary>
> This PR reworks how some parts of atmos code work. Originally it was
just meant to be a performance and bugfix PR, but it has ballooned in
scope. I'm not sure about some of my changes largely because I'm not
sure if some things were an oversight or an intentional decision for
some reason.
>
> List of changes:
> - The `MolesArchived float[]` field is now read-only
> - It simply gets zeroed whenever the `GasMixture` is set to null
instead of constantly reallocating
> - Airtight query information is now cached in `TileAtmosphere`
> - This means that it should only iterate over anchored entities once
per update.
> - Previously an invalidated atmos tile would cause
`ProcessRevalidate()` to query airtight entities on the same tile six
times by calling a combination of `GridIsTileAirBlocked()`,
`NeedsVacuumFixing()`, and `GridIsTileAirBlocked()`. So this should help
significantly reduce component lookups & entity enumeration.
> - This does change some behaviour. In particular blocked directions
are now only updated if the tile was invalidated prior to the current
atmos-update, and will only ever be updated once per atmos-update.
> - AFAIK this only has an effect if the invalid tile processing is
deferred over multiple ticks, and I don't think it should cause any
issues?
> - Fixes a potential bug, where tiles might not dispose of their
excited group if their direction flags changed.
> - `MapAtmosphereComponent.Mixture` is now always immutable and no
longer nullable
> - I'm not sure why the mixture was nullable before? AFAICT the
component is meaningless if its null?
> - Space "gas" was always immutable, but there was nothing that
required planet atmospheres to be immutable. Requiring that it be
immutable gets rid of the constant gas mixture cloning.
> - I don't know if there was a reason for why they weren't immutable to
begin with.
> - Fixes lungs removing too much air from a gas mixture, resulting in
negative moles.
> - `GasMixture.Moles` is now `[Access]` restricted to the atmosphere
system.
> - This is to prevent people from improperly modifying the gas mixtures
(e.g., lungs), or accidentally modifying immutable mixtures.
> - Fixes an issue where non-grid atmosphere tiles would fail to update
their adjacent tiles, resulting in null reference exception spam
> - Fixes#21732
> - Fixes#21210 (probably)
> - Disconnected atmosphere tiles, i.e., tiles that aren't on or
adjacent to a grid tile, will now get removed from the tile set.
Previously the tile set would just always increase, with tiles never
getting removed.
> - Removes various redundant component and tile-definition queries.
> - Removes some method events in favour of just using methods.
> - Map-exposded tiles now get updated when a map's atmosphere changes
(or the grid moves across maps).
> - Adds a `setmapatmos` command for adding map-wide atmospheres.
> - Fixed (non-planet) map atmospheres rendering over grids.
>
> ## Media
>
> This PR also includes changes to the atmos debug overlay, though I've
also split that off into a separate PR to make reviewing easier
(#22520).
>
> Below is a video showing that atmos still seems to work, and that
trimming of disconnected tiles works:
>
>
https://github.com/space-wizards/space-station-14/assets/60421075/4da46992-19e6-4354-8ecd-3cd67be4d0ed
>
> For comparison, here is a video showing how current master works
(disconnected tiles never get removed):
>
>
https://github.com/space-wizards/space-station-14/assets/60421075/54590777-e11c-41dc-b49d-fd7e53bfeed7
>
> 🆑
> - fix: Fixed a bug where partially airtight entities (e.g., thin
windows or doors) could let air leak out into space.
>
</details>
Co-authored-by: SimpleStation14 <Unknown>
* Refactors the entirety of the AtmosphereSystem public-facing API to allow for multiple atmos backends.
* actually compiles
* Remove commented out code
* funny bracket
* Move archived moles, temperature from GasMixture to TileAtmosphere.
* WIP customizable map default mixture
still VERY buggy
* broken mess
aaaaaaaaaaaaa
* Fix lattice, etc not being considered space
* visualization for "IsSpace"
* help
* Update Content.Client/Atmos/Overlays/AtmosDebugOverlay.cs
Co-authored-by: Moony <moonheart08@users.noreply.github.com>
* Holy SHIT it compiles AGAIN
* Fix AtmosDeviceSystem crash at shutdown
* Fix immutable tiles on map blueprints not being fixed by fixgridatmos/revalidate.
* Use space instead of gasmixture immutable for heat capacity calculations
* Remove all LINDA-specific code from GasMixture, move it to TileAtmosphere/AtmosphereSystem instead.
* Fix roundstart tiles not processing
* Update Content.Server/Atmos/Commands/SetTemperatureCommand.cs
Co-authored-by: metalgearsloth <31366439+metalgearsloth@users.noreply.github.com>
* Update Content.Server/Atmos/EntitySystems/AtmosphereSystem.API.cs
Changed Files tab is so large I can't commit both suggestions at once mfw
Co-authored-by: metalgearsloth <31366439+metalgearsloth@users.noreply.github.com>
Co-authored-by: Moony <moonheart08@users.noreply.github.com>
Co-authored-by: metalgearsloth <31366439+metalgearsloth@users.noreply.github.com>
