Baked light in world partition

[amadeokusch]

Hello
I recently moved to ue5 where i was working on a large world with world composition, and there i would load the level in which i wanted to bake the light, bake it, then unload the level and load the next one, one by one.
But now with world partition this doesnt work because its 1 big level, and the size of the lightmap file would be too large and require too much VRAM. So how do i use baked light with world partition?

[AngelBieliukas]

Hello!

I have been looking for information about it and you are not the only person with the same doubt. But no matter how hard I search, they all seem to come to the same conclusion, and that is that World Partition is not compatible with Baked Lightning.

UE5 how to disable lumen for an existing level - force no precomputed lighting greyed out

I wanted to test out UE5 lighting with and without lumen, I’ve made a test project using the third person template, which comes with ThirdPersonMap and lumen enabled by default. In order to re-enable static lighting I’ve followed the steps to disable lumen in the project settings (lumen settings documented here Lumen Global Illumination and Reflections in Unreal Engine | Unreal Engine Documentation). But I can’t disable “Force no precomputed lighting” in the world settings, because it is greyed …

Although Miyoco, a user, says that you can use OFPA with World Partition.
I leave you the link about the OFPA documentation:

One File Per Actor

I hope this will help you.

[amadeokusch]

@AngelBieliukas

OFPA

Hello
Thanks for reply, sorry i dont follow, how does OFPA help with baking the lightmaps?

[miccall]

So, is there any news now ?