This textures are optional, but needed for some features to work.

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Place your texture paks here. fuhquake mapfolder is not supported.. yet.
You can have varius texture paks, with different names. Default is here, "textures"
You can have another like "randonman_textures" folder, and set gl_themefolder to "randonman_textures", reconnect to map, and textures will refresh.