I believe -staticproppolys specifies that VRAD use the model for shadow casting 
instead of the collision model for more accurate shadows at the cost of a 
slightly longer compile time.



----- Original Message ----
From: Matt Hoffman <[email protected]>
To: Discussion of Half-Life Programming <[email protected]>
Sent: Tuesday, 6 January, 2009 1:37:14
Subject: [hlcoders] Explanation of mapautocompile.txt Compile parameters?

Goodday list, writing in for the first time.

Inside of Episode Two Content.gcf>scripts, there's a mapautocompile.txt.
Inside is stuff like this:
map: ep2_outland_04
    vbsp:
    vvis:    -mpi
    vrad:    -final -dispchop 2 -staticproppolys -staticproplighting
-textureshadows -both -mpi

For each map.

I assume that this is used by an internal program of Valve's to do a final
compile of the maps. However, I'm curious as to what some of the parameters
are.

-MPI. Is this VMPI minus the V? Or is it something completely different?

-Dispchop 2: What does this do? Is it chopping up displacements? If so, how
does 2 affect it?

What's -staticproppolys do? I know -staticproplighting is to make
static_props cast more specific lighting(?), and i know -textureshadows
improves the shadows too.

Thanks guys.
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