local catjpeg = Material("catjpeg.jpg", "noclamp")
catjpeg = catjpeg:GetTexture("$basetexture")

local function GetStaticProps()
	local static_props = {}

	local map = string.format("maps/%s.bsp", game.GetMap())
	local fl = file.Open(map, "rb", "GAME")

	fl:Seek(568)

	local lump_data = {
		data = {},
		fileofs = fl:ReadLong(),
		filelen = fl:ReadLong(),
		version = fl:ReadLong(),
		fourCC = fl:Read(4),
	}

	fl:Seek(lump_data.fileofs)

	for i = 1, fl:ReadLong() do
		lump_data.data[i] = {
			id = fl:Read(4),
			flags = fl:ReadShort(),
			version = fl:ReadShort(),
			fileofs = fl:ReadLong(),
			filelen = fl:ReadLong(),
		}
	end

	for _, lump in ipairs(lump_data.data) do
		fl:Seek(lump.fileofs)

		for i = 1, fl:ReadLong() do
			local mdl = fl:Read(128)
			mdl = string.match(mdl, "^[%Z]+")

			if (mdl) then
				table.insert(static_props, mdl)
			end
		end
	end

	fl:Close()

	return static_props
end

do
	local brushes = Entity(0):GetBrushSurfaces()

	for i, surfaceinfo in ipairs(brushes) do
		if (surfaceinfo:IsWater() or surfaceinfo:IsSky()) then continue end

		local mat = surfaceinfo:GetMaterial()
		mat:SetTexture("$basetexture", catjpeg)
		mat:SetTexture("$basetexture2", catjpeg)
	end
end

do
	local props = GetStaticProps()
	local ent = ClientsideModel("error")

	for i, mdl in ipairs(props) do
		ent:SetModel(mdl)

		for _, mat in ipairs(ent:GetMaterials()) do
			mat = Material(mat)
			mat:SetTexture("$basetexture", catjpeg)
			mat:SetTexture("$basetexture2", catjpeg)
		end
	end

	ent:Remove()
end