looking in original maps
Posted Nov 19, 2007
How can I get the vmf files from the Test Chambers from the Portal Campaign?
I could really use those, to see how they made that pyshics prop which makes sound, the radio 
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Posted Nov 19, 2007
Replied
3 hours
later
Here ya go. I've got all the maps decompiled, and labeled correctly... the beginning maps have 2 chambers per vmf, later levels are 1 chamber per map file. Enjoy
I could upload this to the database if anybody wants it there. Just not sure where I'd post it.
User was warned for this post. Decompiled maps might as well be warez.
Edit:
My apologies! 
Posted Nov 19, 2007
Replied
18 minutes
later
Do what I did: Open the bsp up in wordpad, search for the radio model, note the targetname of the prop entity. Search for the targetname of the prop entity, note everything that is targeting it. If I still don't have a complete picture, start searching either for more targetname references or follow the output trails.
Posted Nov 19, 2007
Replied
1 hour
later
You can use a program called VMex to decompile official the maps, to look at entity setups etc.
http://www.geocities.com/cofrdrbob/vmex.html
If you just need the radio, it is a prop_physics_override, using "models/props/radio_reference.mdl" as the model.
It uses an ambient_generic to play the sound "ambient/music/looping_radio_mix.wav", with the source entity set to the radio.
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Posted Nov 20, 2007
Replied
17 hours
later
yeah I knew all that about the radio except to use a special prop_pyshic thingie.
Thanks very much too for the rest for decompiling the map.