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Source SDK

light_environment bugs on displacement brushes and skybox issues
I have a small map with several brushes that have I have created power 3 displacements on. However, when I run the map, my light_environment causes shadows to appear on the edges of these brushes. Is this normal for displacement brushes? Is this an engine error, or am I doing something wrong? Is there any way I can fix and/or work around this bug? Thank you for your patience; there's most likely something really obvious I'm missing here.

Also, my skybox has been having some issues. When I switch it to an ep2 skybox, it's fine (I always map for ep2) but if I use the regular HL2 skyboxes, they're pink and black checkerboard-- I have a feeling it has to do with HDR compatibility, but I can't be positive.
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Showing 1-13 of 13 comments
Dmitriy Dec 19, 2013 @ 3:06pm 
screenshots are welcome
Staples McGee Dec 19, 2013 @ 3:13pm 
Originally posted by DIMEDROLL:
screenshots are welcome

How would I go about posting a screenshot on here? Sorry, I'm still a bit new to Steam discussions
Dmitriy Dec 19, 2013 @ 3:16pm 
F12 in game to take it, then when you quit the game or manually open Screenshot Broswer(by right click on steam in tray) you can upload it, when it's uploaded you can click "Watch online" to see your screenshot. There you can right click and copy page url and paste here
Dmitriy Dec 20, 2013 @ 12:20am 
this happens when you compile lighting with -fast key. It calculates dirty lighting. Try to compile on Normal or above
CogHead Dec 20, 2013 @ 3:21am 
It happens also when you create displacement on every side of every brush. You only need to create displacement on the top face of the brush.
Staples McGee Dec 20, 2013 @ 4:18am 
Ah, alright. Thanks to both of you!!! :)
Gan Feb 4, 2016 @ 5:54am 
Hey there i know it's old topic, but i just wanted quick advise, because i have nearly same bug but less understandable

http://i.imgur.com/Gta7Rfd.jpg

http://i.imgur.com/hrVVYtg.jpg

on both pics i stands right before window, and behind windows are Skyboxes. i dont know why the skybox in rooms makes something like That these stupid squares of shadows and lights without sense, can somebody expalin me what i did wrong? maybe something with my light_env is wrong, but i dont think so
Staples McGee Feb 4, 2016 @ 2:49pm 
Originally posted by G4N-TP:
Hey there i know it's old topic, but i just wanted quick advise, because i have nearly same bug but less understandable

http://i.imgur.com/Gta7Rfd.jpg

http://i.imgur.com/hrVVYtg.jpg

on both pics i stands right before window, and behind windows are Skyboxes. i dont know why the skybox in rooms makes something like That these stupid squares of shadows and lights without sense, can somebody expalin me what i did wrong? maybe something with my light_env is wrong, but i dont think so

Whenever you see a checkerboard like that it means there's a missing texture. Have you compiled your cubemaps?
Gan Feb 5, 2016 @ 3:21am 
it's not missing texture thou. it's the checkboarded Light/dark shadow generated by my skybox and yes cubemaps are compiled
Staples McGee Feb 5, 2016 @ 12:20pm 
Originally posted by G4N-TP:
it's not missing texture thou. it's the checkboarded Light/dark shadow generated by my skybox and yes cubemaps are compiled

Not sure... I've never had this problem with a light_env before. What compile settings do you have when you compile it to BSP?
Gan Feb 5, 2016 @ 2:14pm 
Thanks now when i looked at this closer it said something about leak. i didnt knew that Model can leak though the map and cause error too, especially ccause error like that in broke shadows from skybox lighting. i will need to be careful with custom fan models which hitboxes are bigger and leaks though the map. Many thanks for attention and help
Staples McGee Feb 5, 2016 @ 3:39pm 
Originally posted by G4N-TP:
Thanks now when i looked at this closer it said something about leak. i didnt knew that Model can leak though the map and cause error too, especially ccause error like that in broke shadows from skybox lighting. i will need to be careful with custom fan models which hitboxes are bigger and leaks though the map. Many thanks for attention and help

No problem. I'm pretty sure model geometry leaking out isn't a problem as long as the origin (that little X in the middle) isn't leaked.
Last edited by Staples McGee; Feb 5, 2016 @ 3:40pm
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Date Posted: Dec 19, 2013 @ 3:04pm
Posts: 13