- You need to be using a video card that supports DirectX 9 and the DirectX level in Half Life 2 needs to be 90 or higher. In the console, type
mat_dxlevelto see the directx level. To set it to 90, for example, type
- HDR needs to be fully enabled. The easiest way to do this (after correctly setting the directx level) is by typing this in the console:
mat_hdr_level 2and then type
mat_hdr_enabledto make sure HDR is in fact enabled.
- Lastly, if the lighting is still messed up, type
mat_fullbright 0in the console to fix it.
- An alternative is to download these files:
Open them to extract the files (in Linux, you can open them using Wine). Then copy the files to SteamApps/common/Half-Life 2/hl2/maps in your Steam installation folder (~/.local/share/Steam on Linux, or in C:/Program Files on Windows).
Details:I was recently playing Half Life 2 on Linux using Wine, and at one point, all the lighting messed up. It basically looked like there were no shadows at all. The screenshot above is supposed to be in a dark tunnel.
Supposedly this was caused by an update to the Half Life 2 maps when the orange box was released. Somehow or another, some of the maps require HDR to be enabled for the lighting to work. HDR is only supported in DirectX 9 and higher, and I was setting the DirectX level to 80 (DirectX 8.0) by using the
-dxlevel 80flag in the launch options. I had to remove that flag, and then take the steps above to fix the problem.
Once I did fix the lighting, the game got significantly slower. Still playable, but a lot more annoying to play. Using some of my tips on playing Half Life 2 on an older computer helped, but some of the textures are messed up. This may affect other source games as well.
Now that Half Life 2 is playable natively on Linux, this is issue will probably only affect Windows users.