Outside light affecting indoor light

Development World Creation
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Here I have a fully enclosed indoor environment but the outside light is affecting the lighting of it. I want this indoor environment to be completely black when unlit and only lit when affected by lights placed within the indoor environment.

I’m aware this is probably just an insolvable global illumination issue as it is fine when Lumen is on, but I am developing for most players playing with ambient occlusion GI. I want day/night cycle on my map as players start in this indoor spawn hub environment and then TP outdoors, so setting it to just night isn’t an option.

I was wondering if there was any way to make the indoor environment unaffected by the outside lighting or not. Thanks in advance!

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DFAO can block skylight leaking, might work for your scene.

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I’m not really confortable with UE5 lighting, but there’s a skylight leaking setting in post process volumes, maybe you can try to adjust it.

Also are your walls and roofs materials double sided ?

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Yeah I tried with that before but sadly it is just for affecting Lumen which I am not using in this scene.
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So the materials are double sided I presume ?

You could set a day sequence device with bounds and high priority for the interior ?
I know it doesn’t answer your question but it could fix the issue :man_shrugging:

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What is the wall thickness, and are they double sided?

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This is a great solution my friend, works perfectly thank you! :grinning:

1 Like
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and yes, the walls are double sided sorry forgot to say

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