an idea is that we could have polys that are dual type, lik in the map editor there could be 2 poly type menus:

menu 1:

normal
only bullet collide
only player collide
no collide

menu 2:

hurts
regenerates
deadly
b.deadly
lava
ice

so basically u could have a lava poly, but it hurts if ur inside it not on it
or a b.deadly that you fall through

Yeah, I agree.

It's good for making water in which you drown

Yes, then you could finally make water

This is interesting, I like it very much :) But while you're at it, I think there should be some kind of transparency setting for polygons too.

Wow, A good, original idea by a relative newb. This is amazing.

heh, thx papasurf. but i just realised, should this be in mapmaker suggestions?

Yup, it should

Yes, yes, this is what I've always wanted