Roblox: Preload Assets Screen

game:GetService("ReplicatedFirst"):RemoveDefaultLoadingScreen() -- removes the default loading screen
local cp = game:GetService("ContentProvider") -- gets the content provider

-- config
local optionalAssets = {} -- optional assets to loads, ex (555, 555)
local disabledService = {
	["Lighting"] = false;

} -- services no so preload


local ui = script:WaitForChild("loadingUI")
ui.Parent = game:GetService("Players").LocalPlayer:WaitForChild("PlayerGui")
local blur = Instance.new("BlurEffect", game:GetService("Workspace").CurrentCamera)

-- preloading
warn("starting preload")
local startTick = tick()
-- preload the optional assets first
cp:PreloadAsync(optionalAssets)

-- preload the entire game
for i,service in pairs(game:GetChildren()) do
	pcall (function()
		if not disabledServices[service.Name] then
			--warn("service not available")
			cp:PreloadAsync({service})
		end
	end)
end
wait(15)
warn("preload done, time: "..string.sub(tick()-startTick, 1, 5).."s")
ui:Remove()
blur:Remove()