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(OUTDATED) How to configure Garry's Mod for Hammer Editor.
By Smash Balls
(THIS METHOD WILL NOT WORK ANYMORE) This will teach you how to configure Source SDK to work with Garry's Mod files in stead of just using CS: Source or something which would be fine but if you want to add custom textures, sounds, or even props its best to use the Garry's Mod main folder. Key words are in ().
 
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WARNNING
[for anyone who has viewed this tutorial]

STEAM is converting all of their content to STEAM pipe, so be warnned this might not work anymore do to the fact there is no GCF files anymore and Hammer Editor can't read .VPK format very well. Valve will most likely fix it by updating Hammer Editor.

If you try to fix it you may recive this error (Failed to load the default scheme file. The map views maybe missing some visual elements.) so there is no point in trying.
Starting the configure process
1. Start Source SDK and beside (Engine Version:) select (MP).

2. Select any game beside (Current Game:).

3. Now open hammer and at the top you will find (Tools).

4. Select (Tools) and open (Options).

5. At the top of the options menu you will see tabs make sure you are at the (Game Configurations) tab.

6. On the top of the tab you will find (Edit) beside the name of the of the game you picked.

7. Click (Edit) and then click (Add) on the new menu that pops up.

8. Put any name you like preferably (Garry's Mod) in the new menu that pops up.
Setting the main configuration options
9. Beside (Game Data files) click (Add)

10. Now in the browser navigate to ($SteamUserDir\garrysmod\garrysmod) and look for (garrysmod.fgd) and add it
HINT: You can add any (.fgd) files you like just make sure you have the (garrysmod.fgd) and you should add the (halflife2.fgd) as well because Garry's Mod uses the Half-Life 2 entities.

11. Under (Default PointEntity class:) select what ever you want to be the starting selected entity preferably (info_player_start).

12 Under (Default SolidEntity class:) select what ever you want to be the starting solid brush to be when you do Ctrl+T preferably (func_detail).

13. Beside (Cordon texture:) select what ever you want to be the starting texture when making brushes preferably (tools/toolsskybox).

14. Under (Game Executable Directory) put ($SteamUserDir\garrysmod).

15. Under (Game Directory) put ($SteamUserDir\garrysmod\garrysmod).

16. Under (Hammer VMF Directory) put ($SteamUserDir\garrysmod\garrysmod\maps).
HINT: You can make the (Hammer VMF Directory) any were you like
Editing the (Build Programs) tab
17. At the top of the options menu you will find the (Build Programs) tab click it.
HINT: Becareful to make sure that under (Configuration:) in the (Build Programs) tab to have the right mod name selected because you will mess up some other game's configuration if you have it selected.

18. Under (Game executable:) put ($SteamUserDir\garrysmod\hl2.exe)

19. Under (BSP executable:) put ($SteamUserDir\sourcesdk\bin\orangebox\bin\vbsp.exe)

20. Under (VIS executable:) put ($SteamUserDir\sourcesdk\bin\orangebox\bin\vvis.exe)

21. Under (RAD executable:) put ($SteamUserDir\sourcesdk\bin\orangebox\bin\vrad.exe)

22. Under (Place complied maps in this directory before running game:) put ($SteamUserDir\garrysmod\garrysmod\maps)
Configuration complete!
You are done! Don't forget to restart Source SDK. If you have any questions let me know.
HINT: if you want the full use of garrys mod props, sounds, and textures google for a program called (GCF Scape) this program will alow you to take all the files out of the (garrysmod content.gcf) and put them in your ($SteamUserDir\garrysmod\garrysmod) for use in source sdk
40 Comments
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Smash Balls  [author] Jul 3, 2014 @ 7:22am 
Check out my new guid for the steampipe update Hammer http://steamcommunity.com//sharedfiles/filedetails/?id=280167273
Smash Balls  [author] Jun 3, 2014 @ 5:45pm 
@TheHoodieCraft I honestly do't know, like i said, just use something like HL2's hammer to make maps for Gmod, its what i do now
Cosmic Floppy Disk Jun 3, 2014 @ 5:27pm 
@Smash Balls so is there a updated way to make maps for gmod? apparently I have used the old version because I get that default scheme missing thing error, so how is this fix with the new gmod?
Smash Balls  [author] Feb 10, 2014 @ 8:55pm 
This info is out dated, hammer now opperates in the game folder it self, located now in common, go to the game you want to edit for (cant be garrysmod Ex. Counters strike or HL2) go into the games bin folder and you should see hammer.exe in there and then just launch it use it to compile the map then move the .bsp file to garrysmod, mission accomplished.
DroskTheVacationDragon Feb 9, 2014 @ 8:04pm 
in my STEAMNAME/counter-strikesource/cstrike folder check my -game parameter or VCONFIG setting. Uhm wut
DroskTheVacationDragon Feb 9, 2014 @ 8:03pm 
gameinfo.txt does not exist? @_@ wut
Smash Balls  [author] Dec 6, 2013 @ 12:59pm 
@Hyperion
The Hammer editor is moved for each individual source game's bin folder, GMod's bin Hammer editor wasn't worked for me for some reason, instead I would recomend using HL2 EP2 hammer. (not truely sure the best one to use)
Hyperion Dec 3, 2013 @ 4:14am 
Problem fixed after I deleted this Source SDK and downloaded Source SDK Base 2013, but now I am getting the wireframe problem and can't do anything again... However I can use the HL2 configuration normally, is it okay to use that for GMod maps? Won't it limit me in anything?
Hyperion Dec 2, 2013 @ 10:34am 
I understand this shouldn't be working anymore but anyone made any progress in fixing this?
Hyperion Dec 2, 2013 @ 9:16am 
"Failed to load default scheme file. The map views may be missing some visual elements."

This is what I get everytime I press New. And then the Block Tool does absolutely nothing if I select it and then click anywhere on the black background... Can't believe it isn't fixed for such a long damn time?? How are other people making maps then?