View difference between Paste ID: 4MS7xJYY and uwH4XrLF

 --https://github.com/Mokiros/roblox-FE-compatibility
 if game:GetService("RunService"):IsClient() then error("Script must be server-side in order to work; use h/ and not hl/") end
 local Player,game,owner = owner,game
 local RealPlayer = Player
 do
 	print("FE Compatibility code V2 by Mokiros")
 	local RealPlayer = RealPlayer
 	script.Parent = RealPlayer.Character
 
 	--Fake event to make stuff like Mouse.KeyDown work
 	local Disconnect_Function = function(this)
 		this[1].Functions[this[2]] = nil
 	end
 	local Disconnect_Metatable = {__index={disconnect=Disconnect_Function,Disconnect=Disconnect_Function}}
 	local FakeEvent_Metatable = {__index={
 		Connect = function(this,f)
 			local i = tostring(math.random(0,10000))
 			while this.Functions[i] do
 				i = tostring(math.random(0,10000))
 			end
 			this.Functions[i] = f
 			return setmetatable({this,i},Disconnect_Metatable)
 		end
 	}}
 	FakeEvent_Metatable.__index.connect = FakeEvent_Metatable.__index.Connect
 	local function fakeEvent()
 		return setmetatable({Functions={}},FakeEvent_Metatable)
 	end
 
 	--Creating fake input objects with fake variables
     local FakeMouse = {Hit=CFrame.new(),KeyUp=fakeEvent(),KeyDown=fakeEvent(),Button1Up=fakeEvent(),Button1Down=fakeEvent(),Button2Up=fakeEvent(),Button2Down=fakeEvent()}
     FakeMouse.keyUp = FakeMouse.KeyUp
     FakeMouse.keyDown = FakeMouse.KeyDown
 	local UIS = {InputBegan=fakeEvent(),InputEnded=fakeEvent()}
 	local CAS = {Actions={},BindAction=function(self,name,fun,touch,...)
 		CAS.Actions[name] = fun and {Name=name,Function=fun,Keys={...}} or nil
 	end}
 	--Merged 2 functions into one by checking amount of arguments
 	CAS.UnbindAction = CAS.BindAction
 
 	--This function will trigger the events that have been :Connect()'ed
 	local function TriggerEvent(self,ev,...)
 		for _,f in pairs(self[ev].Functions) do
 			f(...)
 		end
 	end
 	FakeMouse.TriggerEvent = TriggerEvent
 	UIS.TriggerEvent = TriggerEvent
 
 	--Client communication
 	local Event = Instance.new("RemoteEvent")
 	Event.Name = "UserInput_Event"
 	Event.OnServerEvent:Connect(function(plr,io)
 	    if plr~=RealPlayer then return end
 		FakeMouse.Target = io.Target
 		FakeMouse.Hit = io.Hit
 		if not io.isMouse then
 			local b = io.UserInputState == Enum.UserInputState.Begin
 			if io.UserInputType == Enum.UserInputType.MouseButton1 then
 				return FakeMouse:TriggerEvent(b and "Button1Down" or "Button1Up")
 			end
 			if io.UserInputType == Enum.UserInputType.MouseButton2 then
 				return FakeMouse:TriggerEvent(b and "Button2Down" or "Button2Up")
 			end
 			for _,t in pairs(CAS.Actions) do
 				for _,k in pairs(t.Keys) do
 					if k==io.KeyCode then
 						t.Function(t.Name,io.UserInputState,io)
 					end
 				end
 			end
 			FakeMouse:TriggerEvent(b and "KeyDown" or "KeyUp",io.KeyCode.Name:lower())
 			UIS:TriggerEvent(b and "InputBegan" or "InputEnded",io,false)
 	    end
 	end)
 	Event.Parent = NLS([==[local Event = script:WaitForChild("UserInput_Event")
 	local Mouse = owner:GetMouse()
 	local UIS = game:GetService("UserInputService")
 	local input = function(io,RobloxHandled)
 		if RobloxHandled then return end
 		--Since InputObject is a client-side instance, we create and pass table instead
 		Event:FireServer({KeyCode=io.KeyCode,UserInputType=io.UserInputType,UserInputState=io.UserInputState,Hit=Mouse.Hit,Target=Mouse.Target})
 	end
 	UIS.InputBegan:Connect(input)
 	UIS.InputEnded:Connect(input)
 
 	local h,t
 	--Give the server mouse data every second frame, but only if the values changed
 	--If player is not moving their mouse, client won't fire events
 	local HB = game:GetService("RunService").Heartbeat
 	while true do
 		if h~=Mouse.Hit or t~=Mouse.Target then
 			h,t=Mouse.Hit,Mouse.Target
 			Event:FireServer({isMouse=true,Target=t,Hit=h})
 		end
 		--Wait 2 frames
 		for i=1,2 do
 			HB:Wait()
 		end
 	end]==],script)
 
 	----Sandboxed game object that allows the usage of client-side methods and services
 	--Real game object
 	local RealGame = game
 
 	--Metatable for fake service
 	local FakeService_Metatable = {
 		__index = function(self,k)
 			local s = rawget(self,"_RealService")
 			if s then
 				return typeof(s[k])=="function"
 				and function(_,...)return s[k](s,...)end or s[k]
 			end
 		end,
 		__newindex = function(self,k,v)
 			local s = rawget(self,"_RealService")
 			if s then s[k]=v end
 		end
 	}
 	local function FakeService(t,RealService)
 		t._RealService = typeof(RealService)=="string" and RealGame:GetService(RealService) or RealService
 		return setmetatable(t,FakeService_Metatable)
 	end
 
 	--Fake game object
 	local FakeGame = {
 		GetService = function(self,s)
 			return rawget(self,s) or RealGame:GetService(s)
 		end,
 		Players = FakeService({
 			LocalPlayer = FakeService({GetMouse=function(self)return FakeMouse end},Player)
 		},"Players"),
 		UserInputService = FakeService(UIS,"UserInputService"),
 		ContextActionService = FakeService(CAS,"ContextActionService"),
 		RunService = FakeService({
 			_btrs = {},
 			RenderStepped = RealGame:GetService("RunService").Heartbeat,
 			BindToRenderStep = function(self,name,_,fun)
 				self._btrs[name] = self.Heartbeat:Connect(fun)
 			end,
 			UnbindFromRenderStep = function(self,name)
 				self._btrs[name]:Disconnect()
 			end,
 		},"RunService")
 	}
 	rawset(FakeGame.Players,"localPlayer",FakeGame.Players.LocalPlayer)
 	FakeGame.service = FakeGame.GetService
 	FakeService(FakeGame,game)
 	--Changing owner to fake player object to support owner:GetMouse()
 	game,owner = FakeGame,FakeGame.Players.LocalPlayer
 end
  player = owner or game:GetService("Players").LocalPlayer
 
 chatted = false
 
 
 a = Instance.new("BillboardGui", player.Character:FindFirstChild("Head"))
 a.ExtentsOffset = Vector3.new(1,0,0)
 a.Size = UDim2.new(1,0,1,0)
 a.AlwaysOnTop = true
 a.Enabled = true
 b =  Instance.new("ImageLabel", a)
 b.BackgroundTransparency = 1
 b.BorderSizePixel = 0
 b.Image = "http://www.roblox.com/asset/?id=243503908"
 b.ImageTransparency = 0.1
 b.Position = UDim2.new(0.2,0,0.05,0)
 b.Size = UDim2.new(5,0,1.2,0)
 b.Visible = false
 c = Instance.new("TextLabel", b)
 c.BackgroundTransparency = 1
 c.BorderSizePixel = 0
 c.Position = UDim2.new(0.1,0,0)
 c.Size = UDim2.new(0.5,0,0.4,0)
 c.ZIndex = 2
 c.Font = "SourceSans"
 c.FontSize = "Size18"
 c.Text = player.Name..":"
 c.TextColor3 = Color3.new(255/255,255/255,255/255)
 c.TextXAlignment = "Left"
 c.TextYAlignment = "Center"
 d = Instance.new("TextLabel", b)
 d.BackgroundTransparency = 1
 d.BorderSizePixel = 0
 d.Position = UDim2.new(0.1,0,0.4,0)
 d.Size = UDim2.new(0.9,0,0.6,0)
 d.ZIndex = 2
 d.Font = "SourceSans"
 d.FontSize = "Size18"
 d.Text = ""
 d.TextColor3 = Color3.new(255/255,255/255,255/255)
 d.TextXAlignment = "Left"
 d.TextYAlignment = "Top"
 d.TextWrapped = true
 
 
 function message(message)
 repeat wait() until chatted == false
 chatted = true
 b.Visible = true
 if string.find(message,"-r") ~=nil then
 for i=1,string.len(message),1 do
 d.TextColor3 = Color3.new(math.random(1,255)/255,math.random(1,255)/255,math.random(1,255)/255)
 d.Text = string.sub(message,1,i)
 wait(0.1)
 end
 elseif string.find(message,"-b") ~=nil then
 for i=1,string.len(message),1 do
 d.Text = string.sub(string.byte(message),1,i)
 wait(0.05)
 end
 else
 for i=1,string.len(message),1 do
 d.Text = string.sub(message,1,i)
 wait(0.05)
 end
 end
 wait(2)
 if string.find(message,"-t") ~=nil then
 b.Visible = true
 else
 b.Visible = false
 d.TextColor3  = Color3.new(255/255,255/255,255/255)
 end
 chatted = false
 end
 
 
 
 
 player.Chatted:connect(message)