function AddDir(dir) // recursively adds everything in a directory to be downloaded by client
	local list = file.FindDir("../"..dir.."/*")
	for _, fdir in pairs(list) do
		if fdir != ".svn" then // don't spam people with useless .svn folders
			AddDir(dir.."/"..fdir)
		end
	end

	for k,v in pairs(file.Find("../"..dir.."/*")) do
		resource.AddFile(dir.."/"..v)
	end
end

AddDir( "materials" )