One step closer to fair gameplay, by giving AIs non-perfect vision and reactions. Because we too deserve grasses, bushes and nights.
**That's Lit
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If you got 3 mins, please at least browse through the page, it'll answer a lot of questions and maybe save you some time and trouble.
The mod is about reducing non-skill-issue death. It does makes the game easier, but can be balanced with SAIN and loadout mods giving bots NVG & Flashlights. Check "Notes" and "Recommended Mods".
(This=No Bush? NO. This+No Bush? OK. This + SAIN? GOOD. Do not turn off any No Bush for this...Use both. Because people ask.)
The mod is known to be heavy. The reason is the extra camera from the Brightness module which is responsible for making bots affected by darkness/brightness. With Brightness disabled, other features could still enhance bots reaction for you.
Let's define unfair: When your bullet hits or whizzes past a bot, it knows your exact position. They can see you perfectly fine in the dark as long as you are within its vision range. They don't care how dense are the foliage and grasses around you.
Yet we struggle to locate bots with our human eyes.
This is why That's Lit exists: in SPT, we no longer play against human players, bots need to make human-like mistakes just like how real players do.
That's Lit let AIs overlook you when you are blended in the shadow, or spots you faster when you are lit up by lighting. Imaging ratting in Night Factory?
It also allows you to traverse the fields through grasses and bushes without always getting engaged from afar. Imagine to prone in the Woods?
Additionally, randomness is applied to AIs vision check, so they are no longer machines which 100% spots you in their configured distance or 0% out of range.
The goal is to give bots vision restrictions and imperfect reaction similar to human, so you can sneak around in night time without always getting spotted by bots from a distance, dash into trees and plants to interrupt bots' aim, or maybe get surprised by the fact that, bot no longer shoot at the very first moment you pop out of cover.
By default 2 meters are displayed at the top left corner for you to learn the mechanic, and they can be disabled.
The first is brightness meter showing how dark (left) and how bright (right) you are, the second meter (factor) tells you how much AIs are actually affected by your brightness. Factor value is just squared Score. In other words, the second meter is the final effectiveness of the first meter.
The meters only give you a rough idea about the impact of your brightness, ingame the bots are affected individually according to their positions, directions or other conditions.
To directly feel the effect of That's Lit, just go to Night Factory and look at the meters as you move, or sit in the darkness and wait for innocent AIs coming to you.
The mod is developed with SAIN and Realism, it works fine without them, but the default experience could feel easier if your setup is different.
It's very important to have a loadout mod that properly gives bots NVG or Flashlights in night raids to keep the game balanced.
The positive and negative impact from the mod is fully configurable, so when you feel the game becomes too easy maybe adjust those to your liking, but I suggest try harder SAIN presets or hardcore mods like Realism, before tuning the mod, because the mod is more like a post-processor which is based on vanilla and other mods.
Some setting adjustment is required for SAIN, Check "Recommended Mods" below.
Keep reading to get the most out of the mod.
Explanation
In short: The mod delays bots reaction, in a way that how a human would see you but fail to recognize you.
Most parts of the mod are about modifying one value called SeenCoef, which determines how long the an AI needs to have you in their vision to recognize you, in other word, time to visual confirmation.
The SeenCoef is modified by some calculation withall these factored in*:*
- The mod factors in all sorts of data to adjust AIs, minor mechanics are not listed. Direction, distance, height, indoor/outdoor, weather, season, devices/goggles/scopes, movement... A lot of stuff could have a impact on the gameplay.
- Time and cloudiness determine the ambience lighting in raid. Lighting matters a lot! Try to sneak in shadows and avoid lights.
- This also means weathers now affects gameplay! Sunny days are much brighter than cloudy days and makes you more visible, thus you'd prefer cloudy days for low profile raids.
- In the brightest hours of clear nights you could be as visible as day time raids of normal weather.
- When outside, you will want to stick to shadows, especially in the brightest hours (clear days&nights). It helps.
- Top half of some Ground Zero skyscrapers do not have proper colliders thus Ambience Shadow check is not working stably for these. This only mess with you if you are not covered by nothing else or the bottom of the skyscrapers. (Maybe Streets have the same issue too, not tested)
- Some balance changes are applied in winter raids, and overall makes you slightly easier to be spotted. Try to avoid empty snowy ground.
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- Getting lit up by any lights including flashlights, gun flashes or thunder, will hinder your stealth, especially when the lighting is unstable.
- Active flashlight or laser is very likely to expose you (including IR if the AI is using NVGs)
- A lot of the features are much less effective with flashlights on, some even get impacted by lasers. Try to toggle them wisely!
- AIs using NVGs are quite unaffected by darkness, especially at close distance. If the player is in really dark areas, their NVGs will be somewhat less effective.
- AIs using Thermal goggles are pretty much unaffected, and can actually spot the player faster.
- Taking stims like SJ9 actually nullify this and grants you stealth against them.
- AIs using Night Vision scopes and Thermal scopes can ignore your stealth, given you are in front of them, especially when the bot is not moving.
- Forest blending: Staying close to foliage grants a small chance for AI vision check to fail from afar.
- Requires the nearest foliage to be between the AI and you (effectiveness scale down with the relative angle up to 90 degree).
- It's configurable up to 5 candidates instead of just the nearest foliage, which can helps you against multiple bots from different directions
- By afar I mean this has no effect for AIs within 10m, and the effectiveness gradually scales up by distance up to 110m. (It's a low curve, much weaker at close range, only 25% effective at 50m but reach 100% at 110m)
- Requires the nearest foliage to be between the AI and you (effectiveness scale down with the relative angle up to 90 degree).
- AIs have a chance to overlook players up high, especially when the player is in low poses.
- There's a small chance for bots outside to fail spotting players inside. Does not work when the bot is looking straight toward the player, or at closer distances.
- "Inside" is defined by BSG. Proper buildings with walls and ceilings usually count... of course, there are weird exceptions.
- There's a possibility AIs will continuously overlook when you hide nicely inside foliage, even at close distance, just like how we can rat in bushes on live.
- You may still become exposed anytime, especially when they get close or turn to you. Don't feel too safe in there.
- Different foliage have different characteristics, different poses may be required for a foliage to take effect, and the effectiveness may vary against AIs at different heights.
- This even applies to short trees or tall bushes, while they are usually useless against AIs at close or maybe mid range, It's not a bad idea to stick to foliage as much as possible, It does has an effect against AIs far away.
- Preview
- Grasses are now proper visual covers, surrounding grasses contributes to AIs overlooking you.
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- You can actually get close to enemies without being noticed in day time by crawling through dense grasses.
- The only thing to note is only grasses in the direction to the AI within ~3.5m participate in the calculation. Otherwise, common sense applies.
- Warning: there are some rare exceptions (ex: the plant in the center), these are probably decorations manually placed by BSG. They are not rendered by the terrain detail system so are not detectable.
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- Distance matters. Most of the features are more effective to AIs far away from you. Once you are spotted, you lost the distance bonus and will need to get out of the sight for a short while to regain the bonus.
- For AIs at 110m+ away you need to stay out of sight for about 1.5 seconds; the required time is much longer for closer AIs. If the AI is actively targeting you, it'd take longer.
- Physical obstacles are always better than grasses and foliage. If you are caught off guard and really have no choice but some nice dense grasses around you, you can try to prone and hope it works.
- Player and bot movement are applied as final modifiers.
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Sprinting bots are less likely to spot players not in front.
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The player will be spotted faster by movement speed, unless it's really dark.
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Bots staying still will spot the player faster.
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- Like SAIN's Personality system, That's Lit has a caution mechanic that diversify bots' immunity against some mechanics.
- 1 or 2 bots out of 10 have better resistance, they are defined to be cautions and are less likely to overlook the player in stealth.
- 3 to 5 bots out of 10 have weaker resistance, they are defined to be careless and are more likely to overlook the player in stealth.
- To simulate bots remembering your presence, many mechanics are greatly nerfed if the bot has seen you recently, or has seen you at the same spot. Keep moving!
- By default, all the features don't affect bosses (optional). Bush Ratting does not work for bosses even if the option is turned on, for balance reason.
TL;DR: Out of fights, utilize the environment and choose path wisely. When engaged, be strategic and flexible, try to stay out of sight as much as possible... When you pop up, you kill.
The mod also include some small patches to make bots more reasonable:
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Bots' aim will be delayed if they encounter you when sprinting, because in vanilla they sometimes head,eye us at the first moment they end inertia slide, while we players can't even ADS when sprinting.
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In situations a bot is told to "see" you but it's actually not facing your way, by a chance That's Lit will cancel the visibility. Instead, the bot will be told it's spotted from the player's direction, so it may finds covers first instead of instant returning fire,
- If that doesn't happen, there's still a fallback chance for it to happen if it's a surprise attack (the bot haven't seen you for quite a while and you are far away)
- Basically, this helps bots to behave like human being clueless when surprise attacked.
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Compensation to bots vision distance to at least a reasonable amount:
- When the ambience is very bright
- When the ambience is dark but the player is lit up
- When the player is in the dark but the bot is using NVG
- When the bot is using Thermal goggles
- These compensations are especially important with SAIN, because it scales down bots' vision distance simply by time and weather. Vision distance decides whether vision check happens, this means, no matter how much the player is lit up, bots remains unable to see the player if the distance exceeds the SAIN modified value. The patch balances out SAIN's vision distance scaling.
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When the Brightness module is disabled, an optional fluctuation to visual confirmation is applied (optional, enabled by default). For the most part there will not be noticeable difference, only that you may get lucky or unlucky.
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Bot aim point is forced to randomly jump when blind firing. This is because I got shot in the head from the sawmill (Woods)... and I was at RUAF Gate.
That's Lit is unlikely to conflict with other mods. The mod only modifies specific values out of the whole AI system, it does not add or change AI behavior pattern. An analogy would be... Given a formula A+B, That's Lit changes the value of B instead of makes it A+B+C or B+C.
Notes
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AIs don't always rely on their vision to detect you, especially with SAIN installed, they may act in response to noises you make.
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An unintended interesting side-effect of the mod: Because vision checks are performed per body part, with the randomness from That's Lit, somehow head,eyes is reduced as a result (my personal observation).
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It's well known that That's Lit takes away some fps especially on weaker CPUs. I've seen all sorts of feedbacks, your mileage may vary. Check "Performance" below for more info.
- If you set your games to have a lot of bots, performance issue is unavoidable. Check "Recommended Mods" for mods to control bot spawning.
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Night Factory is a very special experience (With brightness module on). It's a dark hunting ground... only shadow walkers survive.
- You don't need NVGs to run Night Factory.
Installation
Decompress the zip file into SPT folder. Bandizip or 7zip is recommended.
Configuration
...is provided through regular F12 menu. If That's Lit is not listed there then it's not in correct folder.
**Maps
All maps are supported, but Brightness module is disabled on Day Factory and The Lab because it's bright and visible everywhere in these maps and it'd be a waste of fps.
Compatibility
Custom lights, lasers, Night Vision/Thermal Scopes, Goggles
...can be supported through thatslitcompat.json files. It's simple and intuitive to add compatibility, for reference, check out the default and blank thatslitcompat.json files. Any thatslitcompat.json anywhere in plugins will be loaded, feel free to create your own and distribute them!
If the gear is not defined in any thatslitcompat.json, you don't get debuff when you leave custom lights/lasers on, and bots don't get buffed by custom scopes and goggles.
So yes, you won't lose anything with unsupported custom items, it just opens up opportunities to cheese which I am personally not a fan of.
*Mods substantially changing game world and visual
Needless to say, mods or reshade setups that make the scenes look much brighter, remove darkness or drastically change the presented visual, will make the experience inconsistent.
For example, if you play with a mod that make the game looks (visually) bright everywhere, you may feel bots are unreasonably weak when your character is in a "dark" area. Basically anything that only change the visual instead of the actual game world will have similar issues.
On the other hand, for example, the GrassCutter mod just turn off the whole terrain detail system thus all the grass data are not provided anymore, so it's fine.
Recommended Mods
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Try harder presets (I'd say just crank up at least 1 tier of SAIN preset). Bots reaction time can be much worse when under the effect of That's Lit.
- I Like Pain is a nice choice. And I actually recommend Death Wish if you want a true versus human experience. Every encounter is a showdown... And you gain upper hand by perform correct movement and concealment.
- Basically, SAIN difficulty decides bots' best performance they clearly see you. That's Lit decides how bad they become when you utilize the mechanics.
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Recommended preset: PMC Terminators
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Latest tweaking recommendation (Tested with 3.9 I Like Pain without Realism):
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Optional: Adjust night vision modifier in General - Look - Time Settings when you feel bots are blind in nights. Try increase 0.1~0.2 at a time.
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Tweak Not Looking At Bot Settings: SAIN now nerfs bots when you are not facing them, this is a very comfortable feature but could make the game too easy especially when stacked with That's Lit, disable or adjust these to your liking:
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Tweak Vision Speed settings:
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For movement: You need to choose one. Stacking both will results in overly buff/debuff against sprinting players.
- That's Lit's implementation is balanced around That's Lit enabled gameplay. It factors in vision angle, speed, poses and brightness.
- SAIN's implementation scales the vision time by your speed.
- That being said, in actual gameplay it's not necessarily better than SAIN's implementation, it's your call.
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You can disable it or adjust it if you turn on Advanved settings. By default bots takes 50% time to see you when you sprint fast.
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For Elevation modifiers, it's fine to leave both enabled, but you can tweak if it's too much for you. There's some difference between how That's Lit and SAIN use elevation to affect bot vision, and That's Lit does not makes higher bots see faster, so it's not a full overlap. From my playtest, it surprisingly works alright with both at default values.
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Tweak Peripheral Vision:
- In That's Lit, the angle difference between the direction from bot to you and the bot's vision direction is used only to scale the impact separately in each mechanics. In SAIN, it's used to simply scale the vision time regardless of situations.
- It seems alright in my playtests, but if you feel like bots are not aware enough in their surrounding, you can disable it or play with the advanvaed settings.
- START_ANGLE: the default 30 means when it's effective when the bot is looking away, starting from 30 degree
- REDUCTION_COEF: the default 2 means at the bot type's max visible angle (usually 75~90 degrees), the bot takes 2x time to spot you.
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For Pose modifiers, you can disable or tweak if lowering pose is too effective.
- In That's Lit, your pose is used to scale the impact separately in each mechanics. In SAIN, it's used to simply scale the vision time regardless of situations.
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Headshot Protection: Headshot Protection is much less needed with That's Lit. Due to a side effect of the introduced randomness, headshots happens much rarely with That's Lit.
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That's Lit contains an optional patch that when a bot is close to the player, it gets a chance to ignore SAIN's No Bush ESP, so bots won't be blind at meters away just because it or you are touching a bush. DO NOT COMPLAIN ABOUT BUSH TO Solarint WHEN YOU HAVE THIS ENABLED.
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- Configure DONUTS to load the starting-pmcs-only or similar presets, so you get a live-like experience and better performance
- DONUTS now spawns only "normal" tier AI by default, so all same bots have average abilities. Find "PMC Difficulty" and "Scav Difficulty" and tweak them to your liking. I use asonline because I like randomness and variation (which is why That's Lit exist), asonline randomly configure bots ability from all options, this plus SAIN personality system gives a mixed bag of AIs.
- The mod has a nature of keeping bots near you, as it despawns bots far away to prevent CPU being wasted on bots you'll never meet.
- It's not intended, but with newer SAIN, which make bots smarter and hear all sorts of sounds you make, there are inevitable side effects:
- You can't really clear out a zone, bots will keep coming, this is extremely noticeable in ULTRA.
- It makes you feel like EVERY scav has a death wish and are willing to get you instead of running for their lives. This does not make sense to me.
- From my personal experience with full Realism, this easily gets out of hands.
- After enabling Bot Hard Cap, the game is fixed for me. It should be noted that I'm running default Realism (all features on). The author of DONUTS plays Realism with increased health, which is also a way to balance it out.
- If you are going to turn on Bot Hard Cap, remember to also check out Hot Spot Spawn Boost & Hot Spot Ignore Hard Cap.
- Needless to say with the option enabled raids are quieter than with out, especially on bigger maps. Because bots are naturally distributed across the whole map instead of kept together. Depends on bots movement, both chill and hot raids are still possible.
- It's not intended, but with newer SAIN, which make bots smarter and hear all sorts of sounds you make, there are inevitable side effects:
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- It makes bots to actually go to places where real players would go for questing, giving your questing trips a twist.
- It makes the whole raid much more busy and unpredictable. Clearing out an area no longer means the area is safe now, you never know when a bot would come or pass by.
- It's known to be a heavy mod just like That's Lit, try enable the AI limiter option to reduce the performance overhead.
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- Realistic bot looting behavior; let your prey brings loot to you.
- I recommend turning on Sight Checks except for containers, so they don't magically get attracted to loots & corpses.
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- Your mileage may vary but I play with all Realism features enabled and enjoy the extra challenges with balanced bots reaction from That's Lit
- Besides, It contains a Loadout system that gives bots proper loadout based on map/time. (Do not use with other Loadout mods)
- Warning: Realism is a challenging experience! Do not just install Realism without reading through the description first.Many people instantly regret and had to go through restoring from profile backups.
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- The economy overhaul transform the game from simple "No I can always buy this with cash" to "Hmm this could be useful".
- This combined with Realism's hardcore flea market feature creates a flavorful experience and works very well with That's Lit.
- NVGs are rare asset but low level bots don't have access to NVGs too, so overall a very balanced experience.
- Make sure to follow Realism's compatibility instruction.
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Any Loadout Mod that gives bots NVG & Flashlights in night raids.
- Do not use any along side Realism's loadout changes.
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- The random blackout event spices things up with That's Lit.
- It's a feature rich mods but very configurable.
- The "Raid Start Events" option randomly open/close doors and lights on raid start, which is very interesting for night raids.
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(Not a mod) Lossless Scaling: a software providing Frame Generation technology.
- An alternative way to deal with low fps from CPU bottleneck. Requires idle GPU power.
- On the other hand, Upscaling helps with GPU bottleneck, which is rarely the case for SPT.
- The Frame Generation feature tries to generate fake predicted frames between real frames on the fly with your GPU.
- This means: up to 3x fps, with input latency and ghosting of hard-to-predict stuff on screen like UIs. Take it or leave it.
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- An alternative way to deal with low fps from CPU bottleneck. Requires idle GPU power.
Performance
- TL;DR: Only Brightness module cost considerable FPS.
- Brightness module use an additional camera to observe the player, this cause some unavoidable fps loss, the number depends on the CPU, some lose 5, some lose 20... Some even said it improves the performance retardadothinking
- If you don't care about night raids, you can disable Brightness module, all other features still work.
- On my end (Ryzen 5800x), turning it off yields about 1.9ms frame time in Woods, which can be translated to roughly 70->60 fps.
- Starting every raid, the mod reads and caches terrain details (most are grasses), this process is sliced into pieces and only takes up a tiny bit of time per frame. Once the caching is done, it won't cost any frame time.
- The mod periodically checks grasses/foliage around the player, but these works are nothing to any modern CPU.
- Quite a lot of math is performed to combine all the available data and calculate values to apply per bot, these works are only performed for bots who is in range, and math is nothing to modern CPUs.
- Let's just say most of performance cost comes from that camera. If you are interested you can turn on Debug Info and Benchmark optinos to take a look, the time spent on That's Lit's code path is negliable. Unfortunately the camera is a game engine thing and not measurable by That's Lit.
Fun facts
- What we see in game is not what is actually observed by cameras. The presented visual is heavily processed, raw cameras would observe a much darker and paler scene.
- The first person character got no thorax (for real, you are just a running pair of arms and legs), so a light that should have be projected on the thorax can not be observed.
- The above 2 combined, is the reason why the light detection can't be die accurate. But thanks to the countless hours put in, current system works good enough.
- I knew nothing about how modding works for this game, like even how mod files should be organized and how BepInx works, so I just downloaded Solarint's SAIN then removed most his stuff and started to work on it. In the begining I also read SAIN's code to locate AI stuff in EFT codebase, so a lot thanks to Solarint.
Story
The very begining of That's Lit
I entered SPT as someone who never played Tarkov.
All the cool mods were already there, thanks to SAIN, Swag+Donuts, Looting Bots, Realism... (and sure, all of their dependencies), the SPT experience was a blast.
It was a lot of fun, but it was not perfect, while bot behaviors may be complicated thanks to mods, when you actually fight them you'd feel they are machines... Because they never make mistakes, things were predictable, and unfair shits happens, like they'd always gift you a bullet immediately if they run by a window where you prone behind.
Also, the fact that night raids are basically worthless in SPT was quite a pity to me.
An idea came to my mind after several days of pondering, It took me 20 mins to create a prototype to experiment and it works, which results in the above linked video.
And then I worked on it around the clock for days, delivered so many updates that people commented and praised about it.
To be honest, it was just because I tend to leave bugs in my releases so I need to release more to fix my bugs, and due to some family health issues I haven't go look for a job since my last one 
Since then a lot have happened: Proper lighting detection on all maps, bush, and then grasses, now even the long awaited ambience shadow detection is somewhat achieved.
It's not like I'm new to modding or open source works, but That's Lit is indeed my most well received mod to-date, I'm proud of it.
To me, It's really important that my creations make a positive difference for people, my burnout in my previous job was exactly because I know I had been doing works that no one would benefit from.
So It always makes me happy seeing people commenting about That's Lit making their SPT experience better, whether it's Discord, Reddit or somewhere else...
I really appreciate all the kind words 
Buy Me Bubble Tea
The mod is not technically advanced at all... it's pure labor. For example, one of the biggest update was a 90+ dedicated hours work. Basically I need to endlessly repeat the process of tweaking the code and playtesting to make AI vision human but balanced.
If you enjoy the mod and want to support, consider a small donation.
I develop mods only because I want something improved in games I play, so it's not like it would encourage/discourage the development 
But it'd indeed help and allow me to continue assisting with some family health issues at home. It's not a matter of life and death though, so only if you are feeling generous, here's the donation link: paypal.me/badevstudio or patreon.com/BAStudio72
5.5K Downloads
3.10 Port
- Further tests are in progress.
- Everything seems working fine, your experience in actual gameplay may help test this extensively on various maps.
- Fixed a previously undetected issue causing That's Lit fail to initialize in debug build of EFT.
- Quick rebalancing Brightness for new Night Factory (It's overall brighter now).
8.1K Downloads
Minor Bug fixes
- Fika: Fix turning off Brightness on specific maps causes exception spam
- Fix a tiny issue in tracking where the player's flashlight is pointed to
- Includes a file named That's Lit Compat Guide that explains adding compatibility for modded scopes/goggles/devices
Announcement
The next SPT update (3.10) will be the last version where That's Lit gets updated with best effort.
That's Lit won't go away, and it may still receive updates, just not at the same pace as usual.
That wraps up the announcement. Below is just me blabbering a textwall (as usual), nothing important for using the mod.
What happened?
Since the first day of That's Lit back in SPT 3.6 days, updates and fixes were usually delivered within days or hours. I also answer almost every question. (For compliments and appreciation, though, I usually only emote, just because I'm very socially awkward).
It's fair to say I worked hard on it, there were days I just don't sleep at all (Willingly. I had fun for sure).
Apparently this costs a lot of time and effort...
As I've mentioned a bit before, I'm a Jobless Tarnished (or Unemployed Dude, if you don't speak Elden Ring). Since being burnt out in my previous job I've been enjoying my time playing and creating, while assisting with taking care of my grandma who has severe Dementia.
Besides That's Lit, I've created a bunch of smaller mods for The Long Dark and some minor or private projects.
It's a fun time, and it's only possible because I have savings to burn and plenty of time to spare. Unfortunately this can't go on forever.
Blatantly speaking, I merely own about 1500 USD now, not like I'm going to starve tomorrow but it's fair to say I'm broke as an adult.
For my projects, I always feel the responsibility to be as transparent as possible, so here we go:
I started to accept donations in April, and received in total of about 240 USD from 14 people. The last donation was in July. There's 1 active subscription (Man, if you see this, consider canceling it for now).
240 is a generous amount! There are many developers doing respectable stuff and don't get anything in return. I'm super lucky to have people donating for That's Lit, and I'm super grateful.
The amount really is HUGE. It's just that life costs more 
Gotta move on, get a job, maybe start a new chapter in life!
What's next?
To be honest, I'm not very confident!
I've worked as a generalist, like... I participated in tech evaluation & prototyping, Unity development, backend server development, and even blockchain stuff.
Like... my previous upper management really wanted me to stay, so I'm at least somewhat useful, right?
But that's about it, I am probably a good junior but hardly to be qualified as a senior.
The good news is I recently acquired JLPT N1... hope that I can get a go(lang) or .NET developer job and move to Japan, which is somewhere I've really wanted to go and stay.
And... I guess that's it, thanks for reading all this awkward nonsense.
I happened to be listening to my favorite music in the meantime, so why wouldn't I share it?
It's toe - Goodbye. I've listened to the song for many many times. Hope you like it too.
9.6K Downloads
Important Bugfixs
- Fix devices attached on helmets are ignored
- Fix devices detection does not work without an active weapon
- Fix invalid content in default.thatslitcompat.json which has been stopping most of the devices from being loaded for months
- Fix reversed brightness scaling by distance (it was the 100%->50% from 100m to 10m, should be 100%->50% from 10m to 100m)
- Add toggles for individual mechanics. These were made for debugging, usually you don't touch these
- Minor changes and improvements
Notes (Regular)
- If you are new to the mod, at least read "Recommend Mods" for proper setup.
- That's Lit is not a No Bush ESP mod. It works with any No Bush ESP. It does not interact with any No Bush ESP. When in doubt, read the mod explanation.
- Performance cost mainly comes from the Brightness module. The mod still do a lot of stuff even if you turn off Brightness for performance.
- If bots are acting blind when blocked or touched by any bush, even if you are like 2 meters away, that comes from SAIN. SAIN's new No Bush ESP is very aggressive by design. (Read Recommended Mods - SAIN to partially solve this)
6.2K Downloads
Minor Update
- Fix Brightness/Darkness impact scale is applied the other way around (Harmless on default config)
- Automatically disable Brightness on clients running in Batch mode
- Added main menu warning for Fika
Notes (Regular)
- If you are new to the mod, at least read "Recommend Mods" for proper setup.
- That's Lit is not a No Bush ESP mod. It works with any No Bush ESP. It does not interact with any No Bush ESP. When in doubt, read the mod explanation.
- Performance cost mainly comes from the Brightness module. The mod still do a lot of stuff even if you turn off Brightness for performance.
- If bots are acting blind when blocked or touched by any bush, even if you are like 2 meters away, that comes from SAIN. SAIN's new No Bush ESP is very aggressive by design. (Read Recommended Mods - SAIN to partially solve this)
18.1K Downloads
Important Update
- Brightness support for Ground Zero after lv20 (technically a different map)
- Add config to set Info GUI font size
- Maybe fix PMC Only Mode by using new PMC spawn types in 3.9 instead of old PMC spawn types injected by SPT
Notes (Regular)
- If you are new to the mod, at least read "Recommend Mods" for proper setup.
- That's Lit is not a No Bush ESP mod. It works with any No Bush ESP. It does not interact with any No Bush ESP. When in doubt, read the mod explanation.
- Performance cost mainly comes from the Brightness module. The mod still do a lot of stuff even if you turn off Brightness for performance.
- If bots are acting blind when blocked or touched by any bush, even if you are like 2 meters away, that comes from SAIN. SAIN's new No Bush ESP is very aggressive by design. (Read Recommended Mods - SAIN to partially solve this)
10.7K Downloads
3.9.0
- In my playtests, everything seems fine with SAIN 3 and 3.9.0. Tested with I Like Pain with General - Look - Not Looking At Bot disabled.
- Recommended Mods - SAIN is updated. Please read for changes.
- The Info GUI is now always aligned to left (it was somehow inconsistent from install to install)
- Equipment detection no longer get turned off with Brightness off.
- Calibrate Reserve.
- Internal / Minor fixes and changes.
Thank You
If something is free yet you still pay for it, it gotta be valuable for you, isn't it?
Since April, I've received several donations, including the first ever of my life. Every time it happens I still feels very lucky and surprised that people are willing to donate for my creation.
The money is indeed very helpful, yet to think about the fact people donated because they think That's Lit deserves it... This feeling, is SWEET. It's all I've been wanted to do but failed, to actually make somethings that actually make a good difference for its users.
For everyone who donated and also anyone gave kind words, thank you very much 
Notes (Regular)
- If you are new to the mod, at least read "Recommend Mods" for proper setup.
- That's Lit is not a No Bush ESP mod. It works with any No Bush ESP. It does not interact with any No Bush ESP. When in doubt, read the mod explanation.
- Performance cost mainly comes from the Brightness module. The mod still do a lot of stuff even if you turn off Brightness for performance.
- If bots are acting blind when blocked or touched by any bush, even if you are like 2 meters away, that comes from SAIN. SAIN's new No Bush ESP is very aggressive by design. (Read Recommended Mods - SAIN to partially solve this)
5.8K Downloads
Regular Update
- New: Force Look (Experimental, Enabled by default)
- Tell the nearest bot to look around when conditions met.
- Bots are quite vulnerable around corners, because they don't clear corners before moving out. It's usually very easy to wait and take down bots behind corners, as most bots just look straight forward while moving. SAIN can't fix this entirely because it only takes over when bots are in combat.
- This is technically an ESP, but with strict conditions, in hope so they would look to player when it makes sense, to fake smarter bots.
- For example, one of the scenario is:
- The bot have seen the player in the last 10 second and is trying to get the player
- The bot is moving but not sprinting
- The bot is inside
- The bot is very close (1~5m)
- 5% chance check passed
- A special scenario that is not telling the bot to look at the player, but to look to random direction, and then turn back after seconds:
- The bot is not sprinting
- The bot hasn't seen its enemy for 10 seconds
- These conditions are checked on FixedUpdate, which is every 0.0167 second.
- Due to how SAIN constantly steer bots, when SAIN is in control, this feature at most add noises to the nearest bots steering.
- Fix dodgy issues that have been stopping That's Lit to load for some users.
- Fix not nerfing Encountering Patch when the player is already the bot's goal enemy.
- Fix nearest bot variable shared by all players which may leads to issues.
- Fix Streets ambience factor by time.
- Use semi-random angles for Simulated Focus, so all angles between +-90 degree are possible (all angles stepped by 3, shuffled).
- Use caution in Encountering Patch and Simulated Focus so impacts are varied from bot to bot.
- SAINNoBushOverride: Use cubed chance instead of squared chance so it's less likely to trigger from further.
- New PMC Only Mode option. The requested option makes That's Lit only modify vision/reaction of PMCs.
- Fix detecting XHP35's 2nd visible light.
- Minor fixes, changes, improvements.
Notes (Regular)
- If you are new to the mod, at least read "Recommend Mods" for proper setup.
- That's Lit is not a No Bush ESP mod. It works with any No Bush ESP. It does not interact with any No Bush ESP. When in doubt, read the mod explanation.
- If bots are acting blind when blocked or touched by any bush, even if you are like 2 meters away, that comes from SAIN. SAIN's new No Bush ESP is very aggressive by design.
5.7K Downloads
Regular Update
Fika: Skip this SPT Hub release.
- Start using Update Notifier
- New: (Optional) Interrupt SAIN's No Bush ESP, disabled by default.
- Interrupts No Bush ESP for bots close to the player by a chance based on the distance, so bots are less likely to be blind when you are right in front of them just because you are touching leaves
- It's a simple implementation and has its limits, expect sometimes get shot through bushes that looks totally blocking the line of sight
- DO NOT REPORT BUSH ESP ISSUE TO SAIN IF YOU HAVE THIS ON
- New: Randomize blind fire target points for bots at 15+m away. Strength scaled by distance.
- Because I got shot in the face at RUAF Gate by a bot BLIND FIRING at the sawmill. It's very rare bots blind fire at this distance, I just want to make sure no bullshit when they do.
- Nerf bush ratting in winter raids
- Revert actual ADS check to simulated bot ADS as bots don't aim around to secure the surrounding like players
- Minor tweaks
Notes
Just want to share my Death Wish + Realism experience:
- With Bot Hard Cap enabled (DONUTS), It's doable. Bot Hard Cap allows bots to be randomly distributed across the map, thus hot or chill raid is totally determined by your luck and navigation decision.
- Of course, every encounter is a showdown. If I don't dash to covers immediately when I am shot at, I die. If I linger around open spots, I die. If I don't stay alerted about any sounds, I die. If I recklessly move out of cover, I die.
- It's very interesting because the experience varies a lot and is quite dynamic. Super chill sometimes when everyone is somewhere else, but very intense when I encounter anyone.
Notes (Regular)
- If you are new to the mod, at least read "Recommend Mods" for proper setup.
- That's Lit is not a No Bush ESP mod. It works with any No Bush ESP. It does not interact with any No Bush ESP. When in doubt, read the mod explanation.
- If bots are acting blind when blocked or touched by any bush, even if you are like 2 meters away, that comes from SAIN. SAIN's new No Bush ESP is very aggressive by design.
2.8K Downloads
Regular Update
ThatsLit-Release.dll is recently renamed to ThatsLit.Core.dll. You may want to clean up the old ThatsLit-Release.dll. (SPT always load latest dll it found, but why not?)
- New: Simulated Vision Focus for bots.
- I was quite worried the new Peripheral Vision thing in SAIN will makes bots super dumb when stacked with That's Lit. It turns out not so bad, as That's Lit does not directly scale SeenCoef by angles like SAIN does, so there's no direct overlap.
- However, bots are indeed a bit too focused looking ahead. As an alternative balanced approach to address this, That's Lit now simulate bots eyeballing around without actual turning. Let's just say now they periodically look into a random angle and perform small scan near that angle.
- Depends on the difference of angle to you in the vision and their focus angle, their reaction is modified by +-25%.
- Hopefully, this allows bots to react to players in peripheral vision, while limiting them to only pay attention to one angle at a time.
- Angle is now factored in the impact of "Distance to Last Seen Position". If you run straight away in a bot's vision, it won't provide benefits because it's still at a same angle. Similar change is applied to Encountering Patch.
- Raise base darkness in winter outdoor.
- Fix terrain details decreasing Brightness score too much in very dense grasses.
- Fix WF-501B modes.
- Calibration works (Reserve, Interchange, Shoreline).
- Minor changes and balancing.
Notes
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Recommended Mods - SWAG+DONUTS is updated. I wasn't aware of the mentioned options, thus as a full Realism user I had trouble keeping up with frequent engagements. With the options ticked it's much better now.
- I'm trying out Death Wish (SAIN), it seems like if I don't do any stupid shit, I can survive. (Note: It still make sure I gets destroyed in no time if I make wrong decision)
Notes (Regular)
- If you are new to the mod, at least read "Recommend Mods" for proper setup.
- That's Lit is not a No Bush ESP mod. It works with any No Bush ESP. It does not interact with any No Bush ESP. When in doubt, read the mod explanation.
- If bots are acting blind when blocked or touched by any bush, even if you are like 2 meters away, that comes from SAIN. SAIN's new No Bush ESP is very aggressive by design.
2.5K Downloads
Minor Update
ThatsLit-Release.dll is recently renamed to ThatsLit.Core.dll. You may want to clean up the old ThatsLit-Release.dll. (SPT always load latest dll it found, but why not?)
- Remove Visibility Cancel Chance option as a tiny re-balancing attempt for latest SAIN
- Replace randomly simulated ADS for bots with actual ADS check
- Fix null ref from API being called when Brightness module is disabled
- Equipment info is no longer hidden for disabled Brightness module
- Minor changes.
Notes (Regular)
- If you are new to the mod, at least read "Recommend Mods" for proper setup.
- That's Lit is not a No Bush ESP mod. It works with any No Bush ESP. It does not interact with any No Bush ESP. When in doubt, read the mod explanation.
- If bots are acting blind when blocked or touched by any bush, even if you are like 2 meters away, that comes from SAIN. SAIN's new No Bush ESP is very aggressive by design.
1.6K Downloads
Hotfix
You can skip this release if you are on 1.383.08
- Fix players loading blocked when a specific API callback is not subscribed
Notes (Regular)
- If you are new to the mod, at least read "Recommend Mods" for proper setup.
- That's Lit is not a No Bush ESP mod. It works with any No Bush ESP. It does not interact with any other No Bush ESP. When in doubt, read the mod explanation again.
- If bots are blind when it's in a bush, you are in a bush, or there is a bush between you, even if you are like 2 meters away, that comes from SAIN. SAIN currently tune the No Bush ESP to be very aggressive, it's by design.
136 Downloads
Dev Update
You can skip this release if you are on 1.383.08
- Just API and internal changes
Notes (Regular)
- If you are new to the mod, at least read "Recommend Mods" for proper setup.
- That's Lit is not a No Bush ESP mod. It works with any No Bush ESP. It does not interact with any other No Bush ESP. When in doubt, read the mod explanation again.
- If bots are blind when it's in a bush, you are in a bush, or there is a bush between you, even if you are like 2 meters away, that comes from SAIN. SAIN currently tune the No Bush ESP to be very aggressive, it's by design.
1.9K Downloads
Important Update
This release contains critical bug fix for the previous API update.
ThatsLit-Release.dll is renamed to ThatsLit.Core.dll. You may want to clean up the old ThatsLit-Release.dll. (SPT always load latest dll it found, but why not?)
Please take a look at previous change logs if you are updating from older versions.
- Fix observation not getting combined into calculation, resulting in the score always only reflects ambience lighting.
- Fix some issue in extra vision distance.
- Some robustness improvements.
Notes (Regular)
- If you are new to the mod, at least read "Recommend Mods" for proper setup.
- That's Lit is not a No Bush ESP mod. It works with any No Bush ESP. It does not interact with any other No Bush ESP. When in doubt, read the mod explanation again.
- If bots are blind when it's in a bush, you are in a bush, or there is a bush between you, even if you are like 2 meters away, that comes from SAIN. SAIN currently tune the No Bush ESP to be very aggressive, it's by design.
1.0K Downloads
Dev Update
Introducing That's Lit API. The mod now opens up to allow other plugins to access Brightness score, active Light&Laser, Foliage/Terrain score, etc.
Please refer to the packed That's Lit API Guide.md*.*
You can skip this release unless you just know you need it.
ThatsLit-Release.dll is renamed to ThatsLit.Core.dll. You may want to clean up the old dll. (SPT always load latest dll, but why not?)
Please refer to .03 change log for the latest major release, and .380.25 if you are updating from older versions.
1.5K Downloads
Regular Update
Please refer to .03 change log for the latest major release, and .380.25 if you are updating from older versions.
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New: Bring back the observation of Volumetric Lights which was causing error spam before. This greatly increase Brightness score accuracy in locations with volumetric lights (EX: Ground Zero indoor).
- Should works fine. If somehow it still cause issues for you, it can be disabled with "Observe Volumetric Lights" option.
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New: Nearby bots will see players on stationary weapons a bit faster.
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New: Configurable vertical offset of GUIs.
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New: Attempt to support Legion (from Raid Overhaul) as a boss.
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Fix: Fix and add support of detection of multi-modes embed devices like the Boss Xe reflex sight.
- Extra device mode on Scopes/Sights are bound to it's selected mode (a.k.a magnification level)
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Fix: Update empty.thatslitcompat.json to latest format.
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Config: Split Final Impact Scale into Final Impact Scale (Slower) & Final Impact Scale(Faster). The option is reset.
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Config: Rename Vague Hint Change to Visibility Cancel Chance and update the description again. The option is reset.
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Config: Rename Darkness/Brightness Impact Scale to Darkness/Brightness Impact Offset and change the default to 50%. The options are reset.
- New 50% is equal to previous 100%. This allows people to increase/decrease the effectiveness instead of decrease only.
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Config: Rename Lit Vision Distance Scale to Extra Vision Distance Scale. The option is reset.
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Config: Rename MovementImpact to Movement Impact. The option is reset.
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Config: Removed Less Equipment Check because the check is nothing. (Again: You give up Brightness Module if you need FPS. Other than that the mod is lightweight.)
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Minor tweaks.
Notes
- Fika: If the more the players the more fps you lost, that's not a bug. That means the mod is fully working for all players... Every player get a dedicated camera. You disable Brightness Module for a practically enjoyable performance. All other features work.
- That's Lit is not a No Bush ESP mod. It works with any No Bush... It does not care about or interact with any other No Bush. When in doubt, read the mod explanation again.
- If bots are blind when it's in a bush, you are in a bush, or there is a bush between you, even if you are like 2 meters away, that's how SAIN's new No Bush ESP is designed to work.
3.4K Downloads
Important Update
This release contains important fixes, new minor features and other changes.
Please refer to .03 change log for the latest major release, or even .380.25 if you are updating from older versions.
- New: Visible body parts are factored into SeenCoef calculation. If very few parts are directly visible from a bot, an additional random delay is applied, which hopefully will makes bots more human and provide a out-of-fight benefit to expose as few parts as possible.
- New: Bots will spot the player faster if the player's flashlight directly shines straight against them.
- Balance: Nerfed Encountering Patch for bosses.
- Balance: Increased delay for sprinting bots.
- Fix: Fixed Score Info option controlling all GUI instead of just Lighting meter.
- Fix: Fixed Accidentally minimized Global overlooking chance.
- Added Weather Info option to toggle weather GUI.
- Attempt to fix a dodgy bug that sometimes That's Lit failed to load on raid start by greatly delay loading That's Lit for players.
- Minor fixes & changes.
1.6K Downloads
Hotfix
Please refer to .03 change log for the latest major release, or even .380.25 if you are updating from older versions.
- Fix info spam on maps without terrain details ("Active detail managers not found, disabling detail check...")
Another bloody 5am night(day?), going to bed
103 Downloads
Regular Update
Please refer to .03 change log for the latest major release, or even .380.25 if you are updating from older versions.
- Fixed Brightness scoring job shared by multiple players which cause issue.
- Fixed detection of 2IKS.
- Re-balanced Global Overlooking & Foliage Blending based on personal gameplays.
- Reverted the hated GUI hint behavior to only show up when it's enabled.
- Tweaked terrain scores from some grasses.
- Buffed Vague Hint (including the all angle surprise attack one added recently).
- On the other hand, the mod is now tracking player shooting. The bots now react better if they are looking your way when you are shooting their ways.
- Added option to toggle Bush Ratting. Only for debugging though, there's no reason to disable that.
- Fixed Brightness module map toggles controlling the whole mod.
- Minor changes and fixes.
2.4K Downloads
Only required for players on pre 3.8.3 or need Debug Info.
Please refer to .03 change log for the latest major release.
- Revert SPT version requirement to >= 3.8.0
- Fix error spam when DebugInfo is enabled and Brightness is disabled.
In the incoming release of SAIN, there will be some options that needs to be tweaked, please refer to "Recommended Mods".
This and .03 don't work for Fika.
558 Downloads
Major Release (much less major than 1.380.25 but still major)
This release contains new features, balance changes and some minor bug fixes.
Probably the most epic change ever: Zip file! You now get a well-organized zip file instead of a non-sense dll .
Finally! The author of That's Lit stopped hating SPT players just because he dislike zipping just 1 file
Besides that very cool and powerful change:
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File-based Compatibility system
- Gear definitions (Scopes, Goggles, Lights & Lasers) are now stored in files instead of hard-coded. Compatibilities or customizations can be easily made by anyone. Modders can easily distribute their compatibility too.
- Define templates first then point items to a template, should be simple enough. The template-based system allows supporting a custom gear super easy if the gear works very similarly to a existing compatible gear.
- For new flashlights/lasers, you need to loop through all modes ingame to know what does it emit in each mode. Yes all the vanilla devices were manually tested and typed in this way long since. It's a dumb but robust approach.
- All *thatslitcompat.json files inside BepInEx\plugins will be loaded on launch, file with higher "priority" will overrides file with lower "priority".
- This means compat files can be easily shared or distributed by modders.
- In the default.thatslitcompat.json file there's no difference between strong and weak laser.
- Concept: A laser is a laser, in night time, any visible laser is a very noticeable line in sight. In daytime, visible lights and lasers don't really provides penalty because they only compensate the lit score to neutral range. It's correct to pay attention in daytime, just not because it increases brightness score, but because it impair your stealth like in foliage/grasses.
- Weak lasers useful in daytime when against human, but bots is already stupid enough, they don't really react to laser even 10% efficiently as human, there's no point to make weak lasers more effective.
- Goggles fov values only decides whether the player stealth gets nullified by the bot's night vision or thermal. Bots using the goggle won't get blinded when out of fov because bots don't look around like human players.
- Gear definitions (Scopes, Goggles, Lights & Lasers) are now stored in files instead of hard-coded. Compatibilities or customizations can be easily made by anyone. Modders can easily distribute their compatibility too.
- Added support for BodyTemperature stims. Players taken SJ9 or similar stims will gain stealth against bots using thermal.
- Reworked regular darkness impact so That's Lit no longer delays bot reaction much when the score is close to 0, but still as effective when the score is lower.
- Reworked Overhead Overlooking.
- Night Factory roof beams are more than somewhat usable.
- Reworked Encountering patch.
- Besides, added a chance to still replace the visibility with vague hint, even if the bot is not facing away, given it's a surprise attack (when the player is not seen recently and far away).
- Properly capping ExtraVisionDistance.
- Ambience shadow is less effective in winter raids.
- Major internal refactoring.
- Fika: This release could possibly work for all players. I really don't know. But if it does, it means 5 cameras for 5 players. Disable Brightness or expect your fps to drop dead.
- Removed LessFoliageCheck option because the check is really lightweight and now checks are alreadythrottled by movements.
- Supports embed light & lasers (PM Laser & Boss Xe). Fixed MAWL-C1+ modes.
- Added an equipment info GUI showing enabled lights/lasers. Can be disabled.
- Minor changes and fixes.
Notes
- Somehow only very recently I realized we can destory lights to create darkness. Mind-blowing
- SAIN is adding some simple stealth mechanics.
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Gear Camo: this works fine with That's Lit, and will be always be so because That's Lit will never add stealth bonus from gears.
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Movement and height difference impact, this is overlapping with Movement Module of That's Lit.
- SAIN's implementation is simple for now. Sprinting gives you flat 33% debuff. Height difference more than +-2m gives you flat 33% buff and -15% debuff at any range.
- That's Lit implement smooth impacts by speed/angle, and is less impactful to stay integrated with all other mechanics.
- I've had a short discussion with Solarint and I expect SAIN's implementation will be given a toggle and improved, either by Solarint or me contributing to SAIN.
-
5.4K Downloads
[Critical Fix] 1.380.29 is a disaster because I forgot to enable camera back after the change made to fix the error spam.
That's Lit had a major update (1.380.25). If you are updating from earlier version, please refer to the .25 change log.
- Fix error spam when ADS with optic scopes
- Properly scale down extra vision distance by fogginess
964 Downloads
Only Fika players needs this patch.
That's Lit had a major update (1.380.25). If you are updating from earlier version, please refer to the .25 change log.
- Fixed Night Factory still not fixed in .26.
- Fixed .26 does not respect per map Brightness module toggle.
210 Downloads
Only Fika players needs this patch.
That's Lit had a major update (1.380.25). If you are updating from earlier version, please refer to the .25 change log.
This makes That's Lit don't simply explode when Fika is installed.
The mod is fundamentally designed and developed to work for "this player", there is no plan to support Fika.
1.1K Downloads
Major Update
This release includes major re-balancing, various improvements and important bug fixes.
Over the numerous releases in the past, quite some parts of the mod have became flawed or outdated, many of these got reviewed and updated in this release.
If you've tweaked the settings, it's recommended to reset everything, try the new balance in different time/weather for several raids then tweak it to your liking.
Also, if you've disabled the meters, consider enable them to understand the impact of ambience shadow. (Remember, the 2nd is the processed result of the 1st, and it's the final impact to bots)
This release breakdown with Fika installed. Please use newer releases.
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Lit Score calculation is now more accurate and less erratic, and don't randomly skyrockets anymore.
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Ambience shadow is fully integrated. Make sure you stick to shadows in clear days/nights to gain advantages... or accept disadvantages.
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It's no longer blocked by most transparent glasses.
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Noted that the shadow comes from ambience brightness, so the impact depends on the sun/moon.
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Added Extra score processing for GZ basement, Interchange & Interchange parking to match the unusual visual brightness. I tried my best...
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Known issue: The top half of some of the GZ buildings don't have proper collider models, thus when you are not far away from bottom of the buildings and ambience lighting is not blocked by anything else, Ambience Shadow impact would drop. Maybe Streets have the problem too, not tested.
- After a day of of research I concluded there's no mean to fix this.
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Though not perfect, this feature completes That's Lit. Now even your positioning (under sun/moon light) becomes a decision.
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The whole SeenCoef calculation is overhauled (found quite some fucked up stuff I left there...) and all the mechanics are deeply integrated.
- Overall bots are more human and less blind than before.
- Highlight penalty is no longer minimized for the improved score calculation and the new ambience shadow feature.
- However, total penalty (from all features combined) is now capped to 50%.
- To simulate bots paying attention to the position they have spotted you, bots are less impacted if you don't move after exposing. (Before this, they need to find you again after looking away)
- This fades out overtime. So if somehow they are distracted, they may forget you are there and again get full impact.
- Extreme darkness now additionally delays bots much more than before.
- This means it's safer to sit or sneak in pitch dark locations in Night Factory, and maybe some maps that can get very dark in cloudy nights.
- Also, the Night Factory roof beams are now somewhat usable if you slowly sneak and the bot is not too accurately looking at your direction (ex: bots below you). Needless to say, it's still very dangerous because once you are spotted you are a sitting duck without covers.
- Grasses calculation is reworked.
- Overall it's more effective when properly utilized and will not overly effective in close range or higher poses.
- By crawling through dense grasses you can get closer to unaware enemies.
- You can now actually try to get out of sight and re-approach again in low poses from different angle.
- Lying down in very dense grasses in front of bots no longer just blind them.
- High poses now properly grants much less stealth than lower poses.
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Changes to Foliage Blending (the one that works against bots far away). Now allows multiple foliage to be evaluated instead of just the nearest one. Can be configured in a range of 1 (default) to 5.
- This allows Foliage Blending to works against bots from different directions.
- Reminder: That's Lit can not replace any No Bush Esp.
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Alternative Reaction Fluctuation (Optional and enabled by default): When Brightness module is disabled, makes bots' SeenCoef slightly fluctuates.
- It should be not noticeable, but rarely you may get lucky (or unlucky).
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Added a piece of code patching a specific scenario:
- In vanilla code, for some time after a bot seeing you, it gets instant visual on you.
- The patch randomly add a minor delay according the distance you moved after the last seen position and the direction the bot is facing.
- Probably not very noticeable.
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Fixed wrong implementation of player movement impact to visibility. It hadn't been reading actual speed.
- Note: If you are slow enough like slow walking and crouch walking, the impact will be hugely reduced.
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Fixed a old flaw in equipment light/laser detection that makes lasers ignored when no light found.
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Bots are now classified into Bosses, Followers, Default. Bosses are... bosses. Followers are regular boss followers and factions like Rogue, Bloodhound, Raiders, etc.
- Followers SeenCoef are 50% less increased/decreased by That's Lit. And Bosses too, If the Include Bosses options is enabled.
- Note: Santa Scav is boss class and Scav Sniper is of follower class.
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Removed Global Overlook Chance option.
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Various minor improvement/changes/fixes.
Doesn't seem that much or major, eh?
The release cost me at least 90 hours. I mean, literally 90+ dedicated hours*.* Almost went through a breakdown for this.
Big changes in the model and the following balancing work usually requires me to:
Modify -> Launch the game -> Go to most of the maps -> Check all the numbers on various combinations of time x weather on every type of locations... -> Test bots reaction in various situations...-> Test every feature works and bug fixed**...** Again. Again. Again. Again. Again and again.
And if I eventually change something, then again.
Damn! I really need to stop doing shits for fun and go get a job before I go broke 
Notes
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I've received several report of getting unusual headshots since 3.8. However it's still rare cases and one of them fixed it by reinstalling their SPT, so maybe it's not caused by That's Lit?
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I've been revising the mod description, some of them requires your attention:
- SAIN has added some feature that greatly affect difficulty, please check "Recommended Mods".
- A Loadout mods that properly gives bots NVGs and flashlights in nights is highly recommanded for balanced gameplay.
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Lit Score calculation is based on game visual brightness instead of theoretic brightness. For example, Reserve bunkers are unusually bright even without any light, and the score reflects that.
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Reminder: Some edge cases exist for Lit Score calculation. Examples:
- Ground Zero: the character receives sun light in basement floor... would you believe that... (This is addressed)
- Night Factory: Next to the tanks there is a very dim ceiling lamp somehow has a very large lighting range. And the tunnel walls near Emergency Exit leak lights.
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Yes it will work for 3.8.1. As long as it's the same EFT version it usually works.
17.9K Downloads
I decided to deliver this ASAP because I'm excited for this new stupid simple shadow detection and I like it after some test raids!
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Fake detection of ambience shadow (buildings, trees, etc.)
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Extra brightness score reduction when in bunkers
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Above combined, the brightness detection around and inside structures makes more sense than before
- Feedback is welcomed!
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Cloudiness GUI ☀/☁
- If you ever wonder why the meter stays all right in day time, it's probably a very cloudless day
- Sometimes you can't tell because of camera adaption
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Add option to toggle player laser/light detection (Balance category)
931 Downloads
- Fix random null ref related to terrain details (introduced in previous update)
- Add option for movement impact
- [BUFF] Reduce brightness penalty in hope to fix weird bot reaction for some players
1.3K Downloads
Fixed exception from greatly increased terrain detail types on certain maps (winter grasses?)
2.8K Downloads
- 3.8.0
- Enable GroundZero
- Add minor balance changes in Winter games
- Bug fixes & improvements
(p.s. guy was joking
(...right?
9.1K Downloads
This release features a bug fix, an optimization and a new performance info.
- Fixed a logic error in Encountering Patch which luckily still has been working correctly.
- Convert the pixel iteration in lit score calculation into a Unity job (which gets dispatched to other threads). It won't give much, but should still save some precious main thread time.
- If you notice fps improvement on your system, please leave a comment about it.
- The LowResMode option is converted to a level range of 1 - 4. Level 1 is equal to original true. Level 2 is equal to original false.
- A benchmark option is added for people interested to see actual ms spent on That's Lit calculation. It's part of the Debug Info.
- It does not cover 100% of the mod but shows all the major calculation and patches. Unfortunately only the mod code can be wrapped thus the overhead from Unity stuff (e.g. the observer camera) can not be shown.
- To understand the numbers: To maintain 60FPS it requires everything (vanilla + mods) costs less than 16.67ms (6.94ms for 144FPS ).
- Don't worry about the GUI cost, at least 95% of it comes from rendering the ever changing Debug UI, it's very very cheap if you keep the Debug UI disabled.
- Note: the existing AFFECTED info shows how many times the main calculation (SeenCoef) is executed, the +N number resets every 47 frames, with the starting-pmc-only Donuts presets, sub +200 is totally normal and fine (vision check is performed per AI per your body part).
4.7K Downloads
This release features some IMPORTANT bug fixes.
- Fixed friendly bots issue that somehow has been bothering only some users.
- Tagilla is no longer excluded for this.
- Fixed helmet lights/lasers detection.
- Full thermal/nightvision goggles and scopes check for Extra Vision Distance.
- Thermal scopes is distance-limited per mod. The tiny Ultima thermal camera no longer gives bots sniper vision.
- Minor fixes and robustness improvements.
- New config to hide the "lit detection disabled" tip.
- Some important readme added to the config panel.
2.7K Downloads
This release polishes new features and iron out bugs from 1.373.2.
- Fixed brightness not buffing bots.
- Improved Extra Distance Patch so it'll take effect more accurately only when the player is lit up in darkness. Also make it buffs bots using NVG not only when the player has ir lights on.
- Added a terrain meter of surrounding grasses. A lot of mechanics, including grasses, are applied per bot so this only gives you a rough idea.
- Tagilla is now excluded from the includeBosses option. Its special AI does not fully work with values from That's Lit and sometimes it bugs out and becomes friendly.
- Tweaks and fixes.
ThatsLit.Utility class now contains 3 new methods for modders to add supports for custom lights/lasers/scopes, you can call it directly or via reflection (soft-dependency):
void RegisterExample () { Type type = Type.GetType("ThatsLit.Utility, ThatsLit"); if (type == null) return; var m = type.GetMethod("RegisterCustomLightAndLaser"); // or RegisterCustomNightVisionScopes, RegisterCustomThermalScopes if (m == null) { LogWarning("ThatsLit endpoint not found."); return; } m.Invoke(null, new object[] { templateId, mode, light, lightIsIR, laser, laserIsIR }); // RegisterCustomLightAndLaser (string templateId, int mode, bool light, bool lightIsIR, bool laser, bool laserIsIR) // RegisterCustomNightVisionScopes (string templateId) // RegisterCustomThermalScopes (string templateId) } More information on this, please check the Compatibility section in the mod description.
1.5K Downloads
In 
of the short lived 1.373.1, an immediate CRITICAL hot fix just appeared! How cool is that! 
- Fixed and reworked impact to bots' vision from their active scope.
- The mod has been using sighting range to simulate bot using scopes to spot players, which is somewhat relevant to scopes' optic zoom but still, wrong. It now properly uses scopes' optic zoom.
- Extra explanation of the existing mechanic:
- Scopes only buff bots when they are facing the player (the angle is scaled down for higher zooms) randomly (more likely to happens if the bot is not moving). Bots using goggles don't get buffed.
- Because bots don't, the mod now sometimes switch bots' current scope mode.
- [NERF] Thermal scopes and goggles are now factored in.
- For bots with thermal on, darkness doesn't work, neither grasses and bush ratting.
These rich mother fuckers will be surprisingly deadly.
- For bots with thermal on, darkness doesn't work, neither grasses and bush ratting.
- Reworked overhead overlooking, in hope to make it more usable yet balanced, though the difference is probably hard to tell.
- Player and bot movement are now applied as final modifiers.
- [NERF] The player will be spotted faster according to the moving speed, unless it's really dark. Will not make it faster than unmodified by That's Lit.
- [BUFF] Sprinting bots will less likely to spot players not in front.
- [NERF] Bots not moving will spot the player faster. Will not make it faster than unmodified by That's Lit.
- [BUFF] Added a small chance for bots outside to fail to spot players inside. Does not work when the bot is looking straight toward the player, or at closer distances.
- "Inside" is defined by BSG. Proper buildings with walls and ceilings usually count... of course, there are weird exceptions.
- [NERF] A new patch to extend distance to see the player when the player is lit up.
- SAIN does not have access to lighting data, thus it scales down bots' vision distance just by time and weather. Vision distance decides whether vision check happens, this means, no matter how much the player is lit up, bots remains unable to see the player if the distance exceeds the SAIN modified value, this results in getting lit up does not hurt.
- When the player gets lit up by non-ambience lighting, bots' vision distance check against the player is scaled up according to the extra brightness (with a bot randomness, of course).
- Also scale the distance up for AIs using NVG when the player has ir laser/light on.
- A config is provided to scale down this feature.
- [BUFF] Due to how plants sucks all light and looks extra dark in nights, the brightness score of the player now gets a extra reduction if there are an amount of foliage around the player (as an alternative way to detect if the player is among trees and foliage).
- A smaller reduction is also applied in day time to mimic advantages from shadows in forests.
- [NERF] Nerfed Encountering Patch so only sprinting bots get considerable impact on encountering the player.
- Fixed a bug making bots friendly when the mod is disabled out of raid.
- Tweaks.
That's Lit is now feature-complete! I expect less new features and major changes from now on.
The version format now features the parent SPT version, for example, if there are 2 versions: 1.373.x & 1.375.x:
1.373.x should works on SPT 3.7.3 and 3.7.4, while SPT 3.7.5 would requires 1.375.x.
This should be compatible with SPT 3.7.1 and 3.7.2.
2.9K Downloads
- Cap stealth from common grasses
- In previous versions, the player can gain unreasonable stealth from very dense grass cluster even though they are short and can not cover crouching player
- Buff stealth from fog
- In actual gameplay, the highest fogginess I've seen is 0.087, but in previous versions the maximum is assumed to be 0.35 which results in the calculated buff is very small
- Fog, while unlikely, can now make bots overlook players from afar
- Impact to vision from fog is all about distance, which is supposed to be controlled by SAIN, so the chance is very low
- Fixed some specific terrains are considered foliage
- Slightly increased stealth penalty from getting lit
- Minor tweaks
3.2K Downloads
- Properly checks if an AI is a boss (previous method probably maybe possibly could be inaccurate)
- Updated meters visual, using halfwidth unicode characters now
- Changed how scope affects AI, now about 25% of the time sighting range is factored in, instead of when the AI is "aiming", because I doubt they actively search with scopes when not engaged
- Disable details (grasses) check on Lab
A reminder by the way
If you have issues like bots are basically blind to you, and you have SAIN installed, please comment the SAIN preset you are using, then try a harder preset. (could be not as hard as you think with this mod)
It seems like presets easier than Hard(Default) can cause the issue, my theory now is somehow the already slow visual confirmation from easier presets is amplified even more by That's Lit.
4.0K Downloads
- 3.7.1
- Very minor tweaks and optimization.
1.2K Downloads
- Fixed grasses don't work fully on maps except Woods. Every map has different sets of grasses and need a better way to check.
- Instead of only cancelling SetVisible (1.2.0) for AIs facing away sometimes, now they are told they are spotted from your direction.
- Distance has been a bonus factor for most of the features, this version introduce a suppression to distance bonus to prevent interrupting long range fight.
- Get out of sight for seconds to regain the bonus.
- Active flashlights now may interrupts more features.
- Properly reduce lit score when indoor.
- Added more bushes to rat.
- Tweaks and fixes.
- Reminder: Mod description gets updated every now and then, please have a look.
I've seen several patches of some kind of short grasses with blocky yellow petals in Shoreline, but didn't get to record its Id into the grasses system. Failed to find it afterward in a 30 min run across the whole Shoreline. Tell me where it is if you see those.
971 Downloads
- Grasses. Those grasses swaying on the ground can now be used to hide. Let's go to Woods.
- Technically it's working. May need be tweaked according to my further play tests and user feedbacks.
- The only thing to note is only grasses within ~3.5m in the direction to the AI participate in the calculation. Otherwise, common sense applies.
- Feedbacks are welcomed, will be extra useful if you get videos of them overlooking or discovering you in the grasses.
- In vanilla, players are visible to AIs not just when players are visible(?). For example, when we shoot an AI, we are set to be visible to them and all their group members even when they are not looking at our direction. For now, randomly some of the SetVisible are cancelled when we are not in front of them. I haven't seen this break anything, so let's see how it goes.
- Quite some tweaks and fixes.
621 Downloads
- Oh my, It's "Shoreline" not "shoreline"... this is awkward.
- More bushes to rat.
- Now some shorter bushes may be ineffective against AIs at higher positions.
- Give AIs a chance to overlook players at higher position, if it has no idea the player is there.
- This needs more testing.
- Fix a major bug that locks the lit score near 0.
- Overlook mechanics now may be disrupted by active equipment lights.
- Minor tweaks.
172 Downloads
- (NEW) Lit score from sun/moon light will now be reduced indoor
- (NEW) Bush rat emulation. Hiding in some types of bushes may make AIs overlook you even when at close distance, if the AI has no idea you are there.
- This needs more testing.
- Only the big, wide bush is a reliable choice, other taller or smaller ones are only useful when the AI is far away. Also noted that tall (small) trees and tall bushes may require you stay in standing pose, while some don't work at all when you prone.
- Prepare to engage anyway, you never know when they stare at the bush.
- (NEW) At the moment an AI see you:
- If the AI is sprinting, force a random aiming delay and maybe force a miss by a small chance, because why the fuck can they aim when we can't ADS sprinting.
- If it's not sprinting, maybe randomly give it a small aiming delay if it's an unexpected encounter
- If it see you when facing away and you become its main enemy only at the moment, give it some scattering.
- Some score calibration on Woods, Interchange and Reserve
- Tweaks and bug fixes
566 Downloads
- (Visceral Bodies) Deal with high Foliage score everywhere in Lighthouse (Some how on that map your... spine... is on a different layer where VB move all foliages onto)
- Fix Interchange can not be enabled because It's "Interchange" not "interchange", just like it's "shoreline" not "Shoreline" (Reported by tofu in SPT Pub)
239 Downloads
Fogginess will strengthen darkness impact starting from 10m away.
60 Downloads
That's Lit has been rebuilt. The new lighting calculation model adapts EFT's lighting logic, it is now easy to setup and calibrate for all the maps.
This update also includes a huge optimization. While the FPS increase may varies between hardware, the processing time of the most demanding pieces should have been decreased to at least 50% and maybe down to 20%, compared to previous implementation.
Lit detection is now available on all maps except Day Factory and The Lab, because in these maps there is no actual dark area.
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Reminder for mod description update:
- Most shadows from trees and buildings does not provide darkness, because these fake shadows are baked and do not project on players. This is a common optimization technique in games.
- Foliage bonus requires the nearest foliage to be between the AI and you, the effectiveness scale down with the relative angle up to 90 degree, so if you, the foliage and the AI doing the vision check are in a straight line, you get the most out of the foliage bonus.
580 Downloads
- That's Lit will be disabled by default from now on for maps not yet calibrated because the light detection could be very wrong. But can be enabled in configs.
- On disabled maps vision randomness and foliages still work, just lighting doesn't affect anything.
- Streets can not be enabled and may not be supported in near future because the lighting there is kinda craaazy.
- Lab & Interchange are not yet calibrated because I've never been there.
- Some calibration to Day Factory (Disabled by default because the lighting there is dead stable), Customs, Woods.
- Added configs for less frequent foliage and equipment lights check.
163 Downloads
- Fix "Make bots unaffected for a moment after it has vision"
- Balance extreme darkness at close range
- Config descriptions
- Ineffectiveness of darkness against AIs using NVGs no longer scale with distance
340 Downloads
- Balance close range sneaking with low score (< -50%)
- Improve detection of flashing environment
- Fix exceptions when detecting equipment lights
- Add a HUD hint for people who hate it but don't know it can be disabled
- Make bots unaffected shortly after perceiving the player (ex: Not affected after just getting shot by player in the shadow)
- Minor fixes...
373 Downloads
- Improve Night Factory detection
- Skip foliage check in Factory or Hideout
- Scale down the effectiveness at close distance so AIs won't overlook you even when you are basically already kissing
174 Downloads
Fix for Hideout.
41 Downloads
Not quite yet...
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https://www.virustotal.com/gui/file/e953d0868f6e3791c76191c73e74524d4ac937bf87d5d86cab7afa7eb31ba4ab