Source Engine games

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Source is a game engine developed by Valve. It was released in October 2004 and is the successor to GoldSrc. The engine has been used in games such as Half-Life 2, Team Fortress 2, Portal, Portal 2, and Garry's Mod.

Source games are relatively simple to rip, as a lot of public information about Valve's file formats are well documented.

General tools

You will need the following tools for source engine ripping:

• gcfscape the most important tool. Allows extracting files from gcfs and vpks, which hold most source engine game data
• vtfedit for reading texture files

For the rest of this tutorial I am going to assume you have extracted all of the files you need from the vpks/gcfs.

Sound ripping

You just extract the .wavs and .mp3s from the archives. Pretty easy.

Texture ripping

Texture ripping is extremely easy. Just open the .vtf files you wish to rip and just click export. VTFedit also has support for batch converting a whole folder

Model ripping

First off, you will need to rip the textures needed for the model.

Then you will need crowbar to rip models. Simply extract the entire folder the .mdl is in from the vpk/gcf and open the .mdl in crowbar's decompile function. (note: need to add detailed tutorial for this part)

Map ripping

Yes you can do this. Just open it in crafty and export it. Can give issues sometimes and occasionally won't load a texture or two, but those can be easily fixed by hand.

Game specific

Garry's mod

You will need gmad to extract Garry's Mod addons into files that the programs above can open. It is included in your Gmod installation.