not really sure whats most useful here | Official Unity Discord | Page 1

bold wadi Jul 4, 2024, 5:46 AM

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Whats the last view?

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The first is lightmap view right?

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so yo usee, the lightmap is fine

vocal bison Jul 4, 2024, 5:46 AM

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last view is light overlap

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which just looks like the original view

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actually

bold wadi Jul 4, 2024, 5:46 AM

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Okay, so lightmap is fine.
I guess its something with your material (maybe)

vocal bison Jul 4, 2024, 5:47 AM

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i dont think its a material issue

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i use the same material in many other places without issue

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also, the artifact appears on other materials too

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its almost certainly some kind of issue with the baked lighting

bold wadi Jul 4, 2024, 5:49 AM

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Do you have a selfmade shader?

vocal bison Jul 4, 2024, 5:49 AM

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no its using the built in lit hdrp shader

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though the ground in that room is using a custom shader

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theres stuff going on with the directionality in like the opposite pattern in which the artifact appears

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i think

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lemme try removing the stuff with custom shaders and see what happens

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removing the objects with custom shaders didnt fix the issue

bold wadi Jul 4, 2024, 5:57 AM

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thats really interesting 😄

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Its way to detailed to be a lightmapping issue.
Whats happening if you delete the Normals of the Material and Bake again?

vocal bison Jul 4, 2024, 5:59 AM

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yeah it seems like its gotta be some issue with it picking up light from a different direction somehow?

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removing the normal map fixes it

bold wadi Jul 4, 2024, 6:01 AM

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Do you use a white realtime light somewhere?

vocal bison Jul 4, 2024, 6:01 AM

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no i dont

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the directional light is the only thing that could possibly be it and removing it does nothing

bold wadi Jul 4, 2024, 6:02 AM

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Have you added a reflection probe to this part of the scene?

vocal bison Jul 4, 2024, 6:02 AM

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yes

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wait

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wait thats probably it now that i think about it

bold wadi Jul 4, 2024, 6:03 AM

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It may reflects the skybox down there

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without a correct Refletionprobe

vocal bison Jul 4, 2024, 6:04 AM

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doesnt look like its reflecting the skybox though

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and the pattern doesnt move depending on camera position like youd expect with a reflection issue

bold wadi Jul 4, 2024, 6:06 AM

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well thats a hard one, but possibly just an easy solution we have to find 😄

vocal bison Jul 4, 2024, 6:07 AM

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yeah this is quite possibly the strangest bug ive encountered with unity yet lmfao

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i suppose i could try changing unity versions

bold wadi Jul 4, 2024, 6:07 AM

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Na, i dont think that helps

vocal bison Jul 4, 2024, 6:07 AM

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im just thinking maybe its a bug that got fixed in a more stable version or something

bold wadi Jul 4, 2024, 6:10 AM

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im not a hdrp pro, so i dont know what else it could be.
If you delete the normal map and its gone, im quite sure its something wrong with them.

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But it also looks like there is a realtime light coming from somewhere 😄

vocal bison Jul 4, 2024, 6:11 AM

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i dont think the issue is with the normal map but rather somehow the lightmapper is getting the direction of the light fucked up somehow

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thats the only thing that makes sense to me

bold wadi Jul 4, 2024, 6:12 AM

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Can you show the lightmapper settings?

vocal bison Jul 4, 2024, 6:12 AM

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huh why does it say no baking devices found lmfao

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thats odd

bold wadi Jul 4, 2024, 6:13 AM

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you have to bake once before it knows it

vocal bison Jul 4, 2024, 6:13 AM

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oh makes sense

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yeah looks like it figured it out so thats not the issue then

bold wadi Jul 4, 2024, 6:14 AM

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If you click the small arrow beside the bake button and clear baked data, how does your walls look?

vocal bison Jul 4, 2024, 6:14 AM

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the error is gone

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ignore how disorganized my project is lol

bold wadi Jul 4, 2024, 6:16 AM

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And you have no lightmap overlaps?

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when baking again?

vocal bison Jul 4, 2024, 6:16 AM

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currently baking it again rn gimmie a sec

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baking it agian the error is back again

bold wadi Jul 4, 2024, 6:20 AM

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you have any red spots when activating the overlap feature?

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But.. it cant be overlaps if it looks fine when you delete the normals..

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wtf 😄

vocal bison Jul 4, 2024, 6:21 AM

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yeah nothing with the overlaps

bold wadi Jul 4, 2024, 6:22 AM

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Okay.. lets hope that @steep magnet has an idea. notlikethis
Im out of ideas ^^

steep magnet Jul 4, 2024, 10:55 AM

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@vocal bison Show your normal map and its import settings, the normal map should be of type normal map and have valid normal information in it
I would also try baking with directional mode: non-directional

vocal bison Jul 4, 2024, 2:41 PM

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steep magnet <@267353630334648322> Show your normal map and its import settings, the normal m...

normal map is pretty certainly not the issue, import settings are fine

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its definitely a directional lighting issue becuase the issue isnt present when i bake without direcitonal lighting on

bold wadi Jul 4, 2024, 3:26 PM

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vocal bison its definitely a directional lighting issue becuase the issue isnt present when ...

which means that something may be wrong with your normalmap.
If you like, send me the Albedo + Normal map, maybe i can reproduce your problem

vocal bison Jul 4, 2024, 3:27 PM

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i doubt its an an issue with the normal map because it works without issue on other surfaces but okay

bold wadi Jul 4, 2024, 3:27 PM

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ah, okay

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i guess you are right

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looks fine

vocal bison Jul 4, 2024, 8:21 PM

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https://forum.unity.com/threads/strange-lightmapping-artifacts.636184/ i found a forum post with a similar issue

Unity Forum

Strange lightmapping artifacts

I'm trying to bake indirect lighting for a scene, but i keep getting these awful artifacts on certain spots in my lightmaps. The most infuriating part...

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it says its caused by NaN artifacts but this forum post is from 2019 and says the bug sohuld already be fixed

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im running a 2023 verison...

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i guess i could try udating unity

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but the image they posted looks very similar to whats going on for me