Originally Posted by
bluedeath
Impossible.
Not at all. Not only is it possible, it really shouldn't even be all that difficult.
Though I think item scripting isn't quite working yet, so it'll have to wait for at least the next beta. Until then, it could just ignore what item's selected. The two versions might work significantly differently, though.
The only part of that can't be done is to make the fish appear
beneath layer 0. Instead, the fish themselves will have to be translucent, which should look the same as if the water were.
I'd love to do it, but I'm a bit too busy these days. Maybe C-Dawg's up for it.