Hi,
I think it would come naturally with structuring the level.
You would use grouping structures anyway to organize the parts of your level.
So, if i already have all segments of a wall grouped (so I can slide the wall more convieniently), then this information could be used to light the wall in one piece.
A current workaround is to make the wall a single mesh and not out of slabs… That is kind of grouping the the geometry level, which is even more inflexible.
Its not as much work as one might assume, or its just me that wouldnt mind a few clicks per room to make the lighting look good.
Cheers,
Klaus