How do I Build Only Visible Levels

Is there a way to build only visible levels without engine complaining or forcing me to make everything visible. I realize this will not be perfect, but a full rebuild takes too long. A limited rebuild will give me an idea of how everything looks in areas I’m working on. I realize I could do this by opening a specific level and building it by itself, but that doesn’t work if my sky sphere is in my persistant level.

Oh by way if I hit build it CLAIMS I can do this, but it doesn’t matter what I do, it does all lighting not just visible.

Hey awilliams1701,

Setting an Actor Hidden In Game should prevent it from casting shadows or otherwise affecting lighting build. I checked in 4.2.1 and saw that this is not functioning correctly, as you pointed out. I also just checked on our latest internal build, and it’s working as expected, so you will probably see this working correctly in 4.3.

Once that’s working, you’ll be able to select everything you don’t want built, regardless of which level it is in, and enable Actor Hidden In Game. You’ll still see it in Editor, but its shadow will disappear. Then selecting Build > Build Lighting Only will only affect non-hidden Actors.

Hope that answers your question!