It believe it would enable very innovative and creative puzzles

Almighty paintskills! 

Almighty paintskills! 
or do portal detectors not function like that, or is it just the figuring of the
angles that makes it difficult?
I like it, very interesting. 
msleeper wrote:
100% would need new coding. So you'll have to wait a while until the SDK base is updated.
Again. 
Or have i had it wrong since the day i downloaded it?
Apparently it's a streamlined version of the HL2 exe & content for modmakers to base their mods on, rather than the version used for Half-Life 2, which has a slightly older codebase, and it loads more "stuff" that most mods don't need.
And we need a reflective surface.
k
nvm what I said above.
EDIT
Oh wait, you can say: if hits surface, reflecting enabled.
I know not much about scriping, so I'm only wild guessing right now.