Ok screw env_particles_custom, I used env_shooter.
Here's the pre-alpha example map,
please let me know how bad it lags your computer. It shouldn't be noticable at this point but if you're cool enough to be able to tell your uncapped max fps (with system specs) with and without heavy water sprite usage, then awesome:
http://files.peterkormendi.org/maps/...l-prealpha.bsp
And here's the sprite (it needs to be in your nsp/sprites/radix/ folder. If you don't have a /radix folder then WTF IS WRONG WITH YOU? Go make it now!)
http://files.peterkormendi.org/maps/...sets/water.spr
PS: Thanks Kormendi.
=================
I know I'm going to get replies asking "where's the water?" so for your viewing pleasure, THIS IS THE BUTTON TO TURN ON THE WATERFALL: