Template:Archived Page History/Level Design FAQ/en
		
		
		
		
		
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This is a directory of Frequently Asked Questions about level editing and using the Hammer editor.
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Hammer Configuration
- My Hammer Configuration does not work correctly. What do I do?
 - How do I manually configure the Hammer Editor?
 - I accidentally closed one of the Hammer toolbars, how do I get it back?
 - Is there a way to restore Hammer settings to the defaults?
 - After launching Hammer, the application takes a huge amount of RAM/system resources!
 - After launching Hammer, an error pops up and says it can't load filesystemopendialog.dll!
 
Compiling maps and running the game
- Hammer reports "leaked!" when I compile. How do I fix it?
 - When I compile my map, it freezes on vvis or vrad.
 - I added some prop models in Hammer, but they don't appear in the game!
 - When I compile, I get "Error! static_prop using model (modelname), which must be used on a dynamic entity."
 - I get a message "Memory leak: mempool blocks left in memory: (number)" when I compile.
 - When I compile the map, the Process Window says "System cannot find file specified", and the map does not load.
 - How do I copy the contents of the compile Process Window?
 - Where is the Hammer "error log"?
 - What is the "Additional game parameters" field for?
 - How do I launch the game without loading the 3D background maps?
 - After compiling, I receive an error stating "Failed to load the launcher DLL: The specified module could not be found."
 
Multiplayer issues
- My multiplayer map isn't appearing in the multiplayer map list.
 - When I run my multiplayer map in the game, people join my server!
 - When I load my Counter-Strike: Source map, it says "Both Teams are Full".
 - How do I use a Counter-Strike: Source model or texture in a Half-Life 2: Deathmatch map?
 
Hammer 2D and 3D views
- How do I get back to having 4 views - the 3D, top, front, and side views?
 - How do I make it so textures show up in the 3D view? Mine is only wireframe.
 - When I'm using the Texture Application (Face Edit) window, I have to close it to move the 3D camera.
 - When I use camera shortcuts with the Texture Application window, the window gets "stuck".
 - When I click in the 3d window, Hammer "crashes."
 - What are the measurements for a block in hammer?
 
Level editing features and problems
- Models I place in Hammer are rendered with a black and purple checkerboard in-game.
 - How do I correctly make a skybox?
 - How do I add fog to my level?
 - Can I make a custom soundscape for my level?
 - I'm trying to set the lightmap scale on my displacements, but it won't let me set the value I want.
 - When I use the Carve tool, I get errors, or Hammer simply freezes for a long time.
 - Error reading weapon data file for: weapon_cubemap
 - When I try to run buildcubemaps, the game crashes!
 - The lightmaps on some of my brush surfaces do not work. They appear black in-game or flicker as the camera moves past them.
 - Why do props and weapons fall through the displacements in my map?