4tWWvmPd.txt

html_material_panels = html_material_panels or {}

function ClearCustomMaterials()
	for key, pnl in pairs(html_material_panels) do
		if pnl:IsValid() then
			pnl:Remove()
		end
	end
	
	html_material_panels = {}
end

function GetCustomMaterial(url, callback)
	local pnl= vgui.Create("HTML")
	table.insert(html_material_panels, pnl)
	pnl:OpenURL(url)
	pnl:Refresh()
	pnl:SetSize(100, 100)
	pnl:StartAnimate()
	--pnl:SetPos(ScrW(),ScrH())
	function pnl.FinishedURL()
		callback(pnl:GetHTMLMaterial())
	end
end

ClearCustomMaterials()

GetCustomMaterial("http://www.google.com", function(mat)
	local ent = Entity(646)
		
	function ent:RenderOverride()
		render.SetMaterial(mat)
		self:DrawModel()
	end
end)