## About The Pull Request
Relies on #72886 for some render relay expansion I use for light_mask
stuff.
Hello bestie! Night vision pissed me off, so I've come to burn this
place to the ground.
Two sections to discuss here. First we'll talk about see_in_dark and why
I hate it, second we'll discuss the lighting plane and how we brighten
it, plus introducing color to the party.
### `see_in_dark` and why it kinda sucks
https://www.byond.com/docs/ref/#/mob/var/see_in_dark
See in dark lets us control how far away from us a turf can be before we
hide it/its contents if it's dark (not got luminosity set)
We currently set it semi inconsistently to provide nightvision to mobs.
The trouble is stuff that produces light != stuff that sets luminosity.
The worst case of this can be seen by walking out of escape on icebox,
where you'll see this
Snow draws above the lighting plane, so the snow will intermittently
draw, depending on see_in_dark and the luminosity from tracking lights.
This would in theory be solvable by modifying the area, but the same
problem applies across many things in the codebase.
As things currently stand, to be emissive you NEED to have a light on
your tile. People are bad at this, and honestly it's a bit much to
expect of them. An emissive overlay on a canister shouldn't need an
element or something and a list on turfs to manage it.
This gets worse when you factor in the patterns I'm using to avoid
drawing lights above nothing, which leads to lights that should show,
but are misoffset because their parent pixel offsets.
It's silly. We do it so we can have things like mesons without just
handing out night vision, but even there the effect of just hiding
objects and mobs looks baddddddd when moving. It's always bothered me.
I'll complain about mesons more later, but really just like, they're too
bright as it is.
I'm proposing here that rather then manually hiding stuff based off
distance from the player, we can instead show/hide using just the
lighting plane. This means things like mesons are gonna get dimmer, but
that's fine because they suck.
It does have some side effects, things like view() on mobs won't hide
stuff in darkness, but that's fine because none actually thinks about
view like that, I think.
Oh and I added a case to prevent examining stuff that's in darkness, and
not right next to you when you don't have enough nightvision, to match
the old behavior `see_in_dark` gave us.
Now I'd like to go on a mild tangent about color, please bare with me
### Color and why `lighting_alpha` REALLY sucks
You ever walk around with mesons on when there's a fire going, or an
ethereal or firelocks down.
You notice how there isn't really much color to our lights? Doesn't that
suck?
It's because the way we go about brighting lighting is by making
everything on the lighting plane transparent.
This is fine for brightening things, but it ends up looking kinda crummy
in the end and leads to really washed out colors that should be bright.
Playing engineer or miner gets fucking depressing.
The central idea of this pr, that everything else falls out of, is
instead of making the plane more transparent, we can use color matrixes
to make things AT LEAST x bright.
https://www.byond.com/docs/ref/#/{notes}/color-matrix
Brief recap for color matrixes, fully expanded they're a set of 20
different values in a list
Units generally scale 0-1 as multipliers, though since it's
multiplication in order to make an rgb(1,1,1) pixel fullbright you would
need to use 255s.
A "unit matrix" for color looks like this:
```
list(1, 0, 0, 0,
0, 1, 0, 0,
0, 0, 1, 0,
0, 0, 0, 1,
0, 0, 0, 0
)
```
The first four rows are how much each r, g, b and a impact r, g, b and
well a.
So a first row of `(1, 0, 0, 0)` means 1 unit of r results in 1 unit of
r. and 0 units of green, blue and alpha, and so on.
A first row of `(0, 1, 0, 0)` would make 1 red component into 1 green
component, and leave red, blue and alpha alone, shifting any red of
whatever it's applied to a green.
Using these we can essentially color transform our world. It's a fun
tool. But there's more.
That last row there doesn't take a variable input like the others.
Instead, it ADDS some fraction of 255 to red, green, blue and alpha.
So a fifth row of `(1, 0, 0, 0)` would make every pixel as red as it
could possibly be.
This is what we're going to exploit here. You see all these values
accept negative multipliers, so we can lower colors down instead of
raising them up!
The key idea is using color matrix filters
https://www.byond.com/docs/ref/#/{notes}/filters/color to chain these
operations together.
Pulling alllll the way back, we want to brighten darkness without
affecting brighter colors.
Lower rgb values are darker, higher ones are brighter. This relationship
isn't really linear because of suffering reasons, but it's good enough
for this.
Let's try chaining some matrixes on the lighting plane, which is bright
where fullbright, and dark where dark.
Take a list like this
```
list(1, 0, 0, 0,
0, 1, 0, 0,
0, 0, 1, 0,
0, 0, 0, 1,
-0.2, -0.2, -0.2, 0
)
```
That would darken the lighting a bit, but negative values will get
rounded to 0
A subsequent raising by the same amount
```
list(1, 0, 0, 0,
0, 1, 0, 0,
0, 0, 1, 0,
0, 0, 0, 1,
0.2, 0.2, 0.2, 0
)
```
Will essentially threshold our brightness at that value.
This ensures we aren't washing out colors when we make things brighter,
while leaving higher values unaffected since they basically just had a
constant subtracted and then readded.
### But wait, there's more
You may have noticed, we gain access to individual color components
here.
This means not only can we darken and lighten by thresholds, we can
COLOR those thresholds.
```
list(1, 0, 0, 0,
0, 1, 0, 0,
0, 0, 1, 0,
0, 0, 0, 1,
0.1, 0.2, 0.1, 0
)
```
Something like the above, if applied with its inverse, would tint the
darkness green.
The delta between the different scalars will determine how vivid the
color is, and the actual value will impact the brightness.
Something that's always bothered me about nightvision is it's just
greyscale for the most part, there isn't any color to it.
There was an old idea of coloring the game plane to match their lenses,
but if you've ever played with the colorblind quirk you know that gets
headachey really fast.
So instead of that, lets color just the darkness that these glasses
produce.
It provides some reminder that you're wearing them, instead of just
being something you forget about while playing, and provides a reason to
use flashlights and such since they can give you a clearer, less tinted
view of things while retaining the ability to look around things.
I've so far applied this pattern to JUST headwear for humans (also those
mining wisps)
I'm planning on furthering it to mobs that use nightvision, but I wanted
to get this up cause I don't wanna pr it the day before the freeze.
Mesons are green, sec night vision is red, thermals orange, etc.
I think the effect this gives is really really nice.
I've tuned most things to work for the station, though mesons works for
lavaland for obvious reasons.
I've tuned things significantly darker then we have them set currently,
since I really hate flat lighting and this system suffers when
interacting with it.
My goal with these is to give you a rough idea of what's around you,
without a good eye for detail.
That's the difference between say, mesons, and night vision. One helps
you see outlines, the other gives you detail and prevents missing
someone in the darkness.
It's hard to balance this precisely because of different colored
backgrounds (looking at you icebox)
More can be done on this front in future but I'm quite happy with things
as of now
### **EDIT**
I have since expanded to all uses of nightvision, coloring most all of
them.
Along the way I turned some toggleable nightvision into just one level.
Fullbright sucks, and I'd rather just have one "good" value.
I've kept it for a few cases, mostly eyes you rip out of mobs.
Impacted mobs are nightmares, aliens, zombies, revenants, states and
sort of stands.
I've done a pass on all mobs and items that impact nightvision and added
what I thought was the right level of color to them. This includes stuff
like blobs and shuttle control consoles
As with glasses much of this was around reducing vision, though I kept
it stronger here, since many of these mobs rely on it for engaging with
the game
<details>
<summary>
Technical Changes
</summary>
#### Adds filter proc (the ones that act like templates) support to
filter transitions.
Found this when testing this pr, seemed silly.
#### Makes our emissive mask mask all light instead
This avoids dumbass overlay lighting lighting up wallmounts.
We switch modes if some turfflags are set, to accomplish the same thing
with more overhead, and support showing things through the darkness.
Also fixes a bug where you'd only get one fullscreen object per mob, so
opening and closing a submap would take it away
Also also fixes the lighting backdrop not actually spanning the screen.
It doesn't actually do anything anymore because of the fullscreen light
we have, but just in case that's unsued.
Needs cleanup in future.
#### Moves openspace to its own plane that doesn't draw, maxing its
color with a sprite
This is to support the above
We relay this plane to lighting mask so openspace can like, have
lighting
#### Changes our definition of nightvision to the light cutoff of night
vision goggles and such
Side affect of removing see_in_dark. This logic is a bit weak atm, needs
some work.
#### Removes the nightvision spell
It's a dupe of the nightvision action button, and newly redundant since
I've removed all uses of it
#### Cleans up existing plane master critical defines, ensures
trasnparent won't render
These sucked
Also transparent stuff should never render, if it does you'll get white
blobs which suck
</details>
## Why It's Good For The Game
Videos! (Github doesn't like using a summary here I'm sorry)
<details>
Demonstration of ghost lighting, and color
https://user-images.githubusercontent.com/58055496/215693983-99e00f9e-7214-4cf4-a76a-6e669a8a1103.mp4
Engi-glass mesons and walking in maint (Potentially overtuned, yellow is
hard)
https://user-images.githubusercontent.com/58055496/215695978-26e7dc45-28aa-4285-ae95-62ea3d79860f.mp4
Diagnostic nightvision goggles and see_in_dark not hiding emissives
https://user-images.githubusercontent.com/58055496/215692233-115b4094-1099-4393-9e94-db2088d834f3.mp4
Sec nightvision (I just think it looks neat)
https://user-images.githubusercontent.com/58055496/215692269-bc08335e-0223-49c3-9faf-d2d7b22fe2d2.mp4
Medical nightvision goggles and other colors
https://user-images.githubusercontent.com/58055496/215692286-0ba3de6a-b1d5-4aed-a6eb-c32794ea45da.mp4
Miner mesons and mobs hiding in lavaland (This is basically the darkest
possible environment)
https://user-images.githubusercontent.com/58055496/215696327-26958b69-0e1c-4412-9298-4e9e68b3df68.mp4
Thermal goggles and coloring displayed mobs
https://user-images.githubusercontent.com/58055496/215692710-d2b101f3-7922-498c-918c-9b528d181430.mp4
</details>
I think it's pretty, and see_in_dark sucks butt.
## Changelog
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🆑
add: The darkness that glasses and hud goggles that impact your
nightvision (think mesons, nightvision goggles, etc) lighten is now
tinted to match the glasses. S pretty IMO, and hopefully it helps with
forgetting you're wearing X.
balance: Nightvision is darker. I think bright looks bad, and things
like mesons do way too much
balance: Mesons (and mobs in general) no longer have a static distance
you can see stuff in the dark. If a tile is lit, you can now see it.
fix: Nightvision no longer dims colored lights, instead simply
thresholding off bits of darkness that are dimmer then some level.
/🆑
## About The Pull Request
This does nothing currently, but will allow me to test for layering
issues on LIVE, rather then in just wallening.
Oh also I'm packaging in a fix to one of my macros that I wrote wrong,
as a joke
[removes SEE_BLACKNESS usage, because we actually cannot use it
effectively](c9a19dd7cc)
[c9a19dd](c9a19dd7cc)
Sidemap removes the ability to control it on a plane, so it basically
just means there's an uncontrollable black slate even if you have other
toggles set.
This just like, removes that, since it's silly
[fixes weird layering on solars and ai portraits. Pixel y was casuing
things to render below who
shouldn't](3885b9d9ed)
[3885b9d](3885b9d9ed)
[Fixes flicker
issues](2defc0ad20)
[2defc0a](2defc0ad20)
Offsetting the vis_contents'd objects down physically, and then up
visually resolves the confliciting that was going on between the text
and its display.
This resolves the existing reported flickering issues
[fixes plated food not appearing in
world](28a34c64f8)
[28a34c6](28a34c64f8)
pixel_y'd vis_contents strikes again. It's a tad hacky but we'll just
use pixel_z for this
[Adds wall and upper wall plane
masters](89fe2b4eb4)
[89fe2b4](89fe2b4eb4)
We use these + the floor and space planes to build a mask of all the
visible turfs.
Then we take that, stick it in a plane master, and mask the emissive
plane with it.
This solves the lighting fulldark screen object getting cut by emissives
Shifts some planes around to match this new layering. Also ensures we
only shift fullscreen objects if they don't object to it.
[compresses plane master
controllers](bd64cc196a)
[bd64cc1](bd64cc196a)
we don't use them for much rn, but we might in future so I'm keeping it
as a convienince thing
🆑
refactor: The logic of how we well, render things has changed. Make an
issue report if anything looks funky, particularly layers. PLEASE USE
YOUR EYES
/🆑
Co-authored-by: Mothblocks <35135081+Mothblocks@users.noreply.github.com>
About The Pull Request
I've reworked multiz. This was done because our current implementation of multiz flattens planes down into just the openspace plane. This breaks any effects we attach to plane masters (including lighting), but it also totally kills the SIDE_MAP map format, which we NEED for wallening (A major 3/4ths resprite of all wall and wall adjacent things, making them more then one tile high. Without sidemap we would be unable to display things both in from of and behind objects on map. Stupid.)
This required MASSIVE changes. Both to all uses of the plane var for reasons I'll discuss later, and to a ton of different systems that interact with rendering.
I'll do my best to keep this compact, but there's only so much I can do. Sorry brother.
Core idea
OK: first thing.
vis_contents as it works now squishes the planes of everything inside it down into the plane of the vis_loc.
This is bad. But how to do better?
It's trivially easy to make copies of our existing plane masters but offset, and relay them to the bottom of the plane above. Not a problem. The issue is how to get the actual atoms on the map to "land" on them properly.
We could use FLOAT_PLANE to offset planes based off how they're being seen, in theory this would allow us to create lens for how objects are viewed.
But that's not a stable thing to do, because properly "landing" a plane on a desired plane master would require taking into account every bit of how it's being seen, would inherently break this effect.
Ok so we need to manually edit planes based off "z layer" (IE: what layer of a z stack are you on).
That's the key conceit of this pr. Implementing the plane cube, and ensuring planes are always offset properly.
Everything else is just gravy.
About the Plane Cube
Each plane master (except ones that opt out) is copied down by some constant value equal to the max absolute change between the first and the last plane.
We do this based off the max z stack size detected by SSmapping. This is also where updates come from, and where all our updating logic will live.
As mentioned, plane masters can choose to opt out of being mirrored down. In this case, anything that interacts with them assuming that they'll be offset will instead just get back the valid plane value. This works for render targets too, since I had to work them into the system as well.
Plane masters can also be temporarily hidden from the client's screen. This is done as an attempt at optimization, and applies to anything used in niche cases, or planes only used if there's a z layer below you.
About Plane Master Groups
BYOND supports having different "maps" on screen at once (IE: groups of items/turfs/etc)
Plane masters cannot cover 2 maps at once, since their location is determined by their screen_loc.
So we need to maintain a mirror of each plane for every map we have open.
This was quite messy, so I've refactored it (and maps too) to be a bit more modular.
Rather then storing a list of plane masters, we store a list of plane master group datums.
Each datum is in charge of the plane masters for its particular map, both creating them, and managing them.
Like I mentioned, I also refactored map views. Adding a new mapview is now as simple as newing a /atom/movable/screen/map_view, calling generate_view with the appropriate map id, setting things you want to display in its vis_contents, and then calling display_to on it, passing in the mob to show ourselves to.
Much better then the hardcoded pattern we used to use. So much duplicated code man.
Oh and plane master controllers, that system we have that allows for applying filters to sets of plane masters? I've made it use lookups on plane master groups now, rather then hanging references to all impacted planes. This makes logic easier, and prevents the need to manage references and update the controllers.
image
In addition, I've added a debug ui for plane masters.
It allows you to view all of your own plane masters and short descriptions of what they do, alongside tools for editing them and their relays.
It ALSO supports editing someone elses plane masters, AND it supports (in a very fragile and incomplete manner) viewing literally through someone else's eyes, including their plane masters. This is very useful, because it means you can debug "hey my X is yorked" issues yourself, on live.
In order to accomplish this I have needed to add setters for an ungodly amount of visual impacting vars. Sight flags, eye, see_invis, see_in_dark, etc.
It also comes with an info dump about the ui, and plane masters/relays in general.
Sort of on that note. I've documented everything I know that's niche/useful about our visual effects and rendering system. My hope is this will serve to bring people up to speed on what can be done more quickly, alongside making my sin here less horrible.
See https://github.com/LemonInTheDark/tgstation/blob/multiz-hell/.github/guides/VISUALS.md.
"Landing" planes
Ok so I've explained the backend, but how do we actually land planes properly?
Most of the time this is really simple. When a plane var is set, we need to provide some spokesperson for the appearance's z level. We can use this to derive their z layer, and thus what offset to use.
This is just a lot of gruntwork, but it's occasionally more complex.
Sometimes we need to cache a list of z layer -> effect, and then use that.
Also a LOT of updating on z move. So much z move shit.
Oh. and in order to make byond darkness work properly, I needed to add SEE_BLACKNESS to all sight flags.
This draws darkness to plane 0, which means I'm able to relay it around and draw it on different z layers as is possible. fun darkness ripple effects incoming someday
I also need to update mob overlays on move.
I do this by realiizing their appearances, mutating their plane, and then readding the overlay in the correct order.
The cost of this is currently 3N. I'm convinced this could be improved, but I've not got to it yet.
It can also occasionally cause overlays to corrupt. This is fixed by laying a protective ward of overlays.Copy in the sand, but that spell makes the compiler confused, so I'll have to bully lummy about fixing it at some point.
Behavior changes
We've had to give up on the already broken gateway "see through" effect. Won't work without managing gateway plane masters or something stupid. Not worth it.
So instead we display the other side as a ui element. It's worse, but not that bad.
Because vis_contents no longer flattens planes (most of the time), some uses of it now have interesting behavior.
The main thing that comes to mind is alert popups that display mobs. They can impact the lighting plane.
I don't really care, but it should be fixable, I think, given elbow grease.
Ah and I've cleaned up layers and plane defines to make them a bit easier to read/reason about, at least I think.
Why It's Good For The Game
<visual candy>
Fixes#65800Fixes#68461
Changelog
cl
refactor: Refactored... well a lot really. Map views, anything to do with planes, multiz, a shit ton of rendering stuff. Basically if you see anything off visually report it
admin: VV a mob, and hit View/Edit Planes in the dropdown to steal their view, and modify it as you like. You can do the same to yourself using the Edit/Debug Planes verb
/cl
I found out on the icebox map, roughly a week or two ago, that the camera mob couldn't be moved to the other station leveleven before the core was placed. I believe this to be an oversight, which is why this PR has been made.
Sentient diseases also suffer from a similar issue while on the host selection stage, so I'm fixing that too.
EDIT: Someone pointed out that revenants (and other mobs with incorporeal movement) don't ignore turfs and obstacles when moving vertically, so I have added a few lines to living/can_z_move to hopefully fix that.
#56519 had noble goals in trying to make emote code more robust for
ghosts, but in doing so it undid #47144, which was made to allow people
to start messages with asterisks in deadchat without getting hassled by
the game thinking you're emoting. This re-limits the emote checker to
the only two emotes ghosts have ever had, *spin and *flip.
* blob refactor
* blobtype -> blobstrain
* fixes, chemical -> strain
* only /mob/living experience Life, blobs and other cameras can process if they need to
also other fixes
* call_life goes out
* ispath thing
* nerf boxes
* uuh i think i see what you mean. hows this
* shuffles it over to mob.dm
* asdf
* hows this
* ooga
* i should probably rebase
* t
* cheaper and stronger unlike me
* aaaaa
* does the thing with the words
* Virus antagonist initial commit
* Updated disease code
* Sentient virus improvements
* Renamed /mob/living/var/viruses to diseases, and /mob/living/var/resistances to disease_resistances
* Added sentient virus event
* Renamed VIRUS defines to DISEASE defines
* Fixed bugs in rewritten disease code
* Fixed advanced disease Copy()
* Finalized disease antagonist
* Made cooldown buttons stop processing if they are removed from an owner.
Made sentient disease active sneeze and cough not available if the host is unconscious.
Made sentient disease menu refresh when adaptations are ready or hosts are added or removed.
Made sentient disease following use movement signals instead of fastprocess.
* Added better icons to sentient disease abilities
- I renamed some vars of datum/hud to be more selfexplanatory
- Moved all datum/hud mob code into the hud folder.
- fixed alien's zone selection button not using the correct sprites.
- I removed the update_hud() proc (that needed to be removed).
- Fixed a typo in /mob/living/carbon/ContractDisease , using "internals" instead of "internal" (very different things)
- Fixed doTeleport() calling Entered() twice on the destination area.
- To reference a mob's selected zone, you now use a direct mob var ("H.zone_selected" instead of "H.zone_sel.selecting")
- mobs lose certain screen objects var ("healths", "zone_sel", "internals", etc) which are now vars of the mob's datum/hud instead.
- the Blind spell is now done via the blind mutation instead of the blind disabilities.
- Give to mobs a version of forceMove(), so the mob is always properly unbuckled, his pull stopped, his vision updated, etc.
- The "user" var of mob/camera/aiEye/remote is renamed to "eye_user" to avoid confusion.
- reset_view() is replaced by reset_perspective(). Now all changes to client.eye and client.perspective are done with this proc.
- I reworked /obj/machinery/computer/security code, changing camera is instantaneous now, as well as cancelling.
- I reworked /obj/machinery/computer/camera_advanced code as well.
- I changed /obj/item/mecha_parts/mecha_equipment/mining_scanner's meson view to be constant instead of by intermittent.
- Fixes not being able to use /obj/item/device/camera_bug while buckled.
- removed admin_forcemove() proc, admin force moving now uses forceMove() simply.
- Removed the client var "adminobs"
- Added var/vision_correction to glasses.
- Added a thermal_overload() proc for glasses, to remove copypasta in emp_act code.
- Remove the hal_crit mob var
- We no longer delete the mob's hud everytime he logs in.
- Added a stat == dead check in mob's metabolize() so we immediately stop metabolizing if one of the chem kills the mob.
- Being inside disposal bin lowers your vision, like wearing a welding helmet.
- removed the remote_view mob var.
- I changed advanced camera EYE, some fixes, removed unnecessary code when the eye moves, now the mob client eye properly follows the camera mob.
- fixes mob var "machine" not being nullified on logout.
- larva/death() was calling two "living_mob_list -= src"
- I made the Blind screen objects into a global_hud instead of giving one to each mob (like damage overlay).
- I untied tint and eye_blind, TINT_BLIND doesn't give you eye_blind=1.
- gave a visual overlay when inside locker (vimpaired)
- when inside disposal/gas pipes you get sight |= (BLIND|SEE_TURFS)
- glasses toggling updates (atmos meson toggle): DONE
- The new adjust procs serve to properly change eye_blind etc and call vision update procs when needed.
- I added an on_unset_machine() proc to handle perspective reset for camera consoles.
- I moved consequences of eye_check fail inside eye_check() procs themselves.
- I fixed vision updates being fucked by forceMove, especially pipe vision.
- I decided that damage overlay not appearing when dead.
- mob's hud_used is no longer deleted on each login()
- I refactored mob huds a bit, creating subtypes for each mob (/datum/hud/human)
- f12's hud toggling is now available to all mobs
- gave borgs a low_power_mode var so unpowered borg do not use stat= UNCONSCIOUS (which made things weird since you were unconscious but not blind)
- Fixed double Area entering when forced teleporting.
- I fixed larva pulling not being broken when cuffing them, and larva not seeing handcuff alert (and they can resist by clicking it)
- I removed pull updates from life() since it onyl checked for puller's incapacitation.
- I renamed camera/deactivate() to toggle_cam() to be more accurate.
- I fixed mmi brain being immortal (by removing the brain and putting it back)
- I simplified mmi brain emp damage.
Don't try to Destroy() objects that get del(). It was causing infinite loops and other problems. It's now ok to have something call del(src) as part of Destroy().
* The telescience computer starts with 3 artificial crystals.
* The crystals can be crushed to blink or you can throw it at someone to make them blink a short distance.
* You cannot teleport the AI or any anchored mob (unless they are buckled to an office chair).
* You can make the bluespace crystals from slimes or from research.
Re-introduced the concept of a player controlling the blob in an RTS fashion, expanding the blob and building structures such as nodes and factories.
All blobs will try to find ghosts, with the BE_ALIEN flag, to be the blob overmind. Even random event blobs will try to get players to play as the overmind.
Added a /mob/camera that is now being used by the AI eye and the blob overmind. It is a mob that isn't dead but acts as a camera for the player, to be controlled by something like the AI or the blob.
There are now a resource currency for the blob to spend it's points on blob expansion and upgrades.
Added a small blob_act to mechs.
Made all camera mobs max invisibility. Because of this I removed the AI best friend button as it would be not working.
Blob mode will send a normal intercept report.
