Cheers, thanks! My map is all starting to come together now!

Sure thing - it happened after a CTD and I didn't notice for a while. If it happens again I'll let you know.

Wow! It's crazy that you can make make impressive '3d' pictures with this!

Yeah, how odd!

It turns out that it hadn't removed any bitmaps. It had added some dead links; some had similar names to textures I was using, so I thought I had lost them.

As it is, I can ignore it and continue on this one 'corrupted' map. It's a bit ugly, but since it doesn't affect any other maps, I can live with it. Thanks for your suggestion to look at the paths, it sorted it out for me!

Edit:

It works!

Thank you SO SO much!

Ah ok. That gives me another problem, but I think I know the solution...

The problem is that If I have these unaffected sheets above Wall Shadow, Point Light Finalise, they will also be above the objects, furniture etc that I want to have shadows (in the lit rooms) - then the floor (unaffected) will obscure all the furniture in it.

But I can solve this by splitting my sheets into two types:

Furniture, floor, etc (unlit part of cave)

and

Furniture floor, etc (lit part of cave)

At the moment, my furniture is all on the same sheet, my floors are all on the same sheet, etc, whether they're in the unlit or the lit part of the cave.