View difference between Paste ID: DbxnJZYb and v3Yqrgvr

 --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;local a=function(b)b[1].f[b[2]]=nil end;local c={__index={disconnect=a,Disconnect=a}}local d={__index={Connect=function(b,e)local f=tostring(math.random(0,10000))while b.f[f]do f=tostring(math.random(0,10000))end;b.f[f]=e;return setmetatable({b,f},c)end}}d.__index.connect=d.__index.Connect;local function g()return setmetatable({f={}},d)end;local h={Hit=CFrame.new(),KeyUp=g(),KeyDown=g(),Button1Up=g(),Button1Down=g(),Button2Up=g(),Button2Down=g()}h.keyUp=h.KeyUp;h.keyDown=h.KeyDown;local i={InputBegan=g(),InputEnded=g()}local CAS={Actions={},BindAction=function(self,j,k,l,...)CAS.Actions[j]=k and{Name=j,Function=k,Keys={...}}or nil end}CAS.UnbindAction=CAS.BindAction;local function m(self,n,...)for o,e in pairs(self[n].f)do e(...)end end;h.T=m;i.T=m;local p=Instance.new("RemoteEvent")p.Name="UserInput_Event"p.OnServerEvent:Connect(function(q,r)if q~=RealPlayer then return end;h.Target=r.e;h.Hit=r.d;if not r.f then local s=r.c==Enum.UserInputState.Begin;if r.b==Enum.UserInputType.MouseButton1 then return h:T(s and"Button1Down"or"Button1Up")end;if r.b==Enum.UserInputType.MouseButton2 then return h:T(s and"Button2Down"or"Button2Up")end;for o,t in pairs(CAS.Actions)do for o,u in pairs(t.Keys)do if u==r.a then t.Function(t.Name,r.c,r)end end end;h:T(s and"KeyDown"or"KeyUp",r.a.Name:lower())i:T(s and"InputBegan"or"InputEnded",r,false)end end)p.Parent=NLS([==[local a=script:WaitForChild("UserInput_Event")local b=owner:GetMouse()local c=game:GetService("UserInputService")local d=function(e,f)if f then return end;a:FireServer({a=e.KeyCode,b=e.UserInputType,c=e.UserInputState,d=b.Hit,e=b.Target})end;c.InputBegan:Connect(d)c.InputEnded:Connect(d)local g,h;local i=game:GetService("RunService").Heartbeat;while true do if g~=b.Hit or h~=b.Target then g,h=b.Hit,b.Target;a:FireServer({f=1,Target=h,d=g})end;for j=1,2 do i:Wait()end end]==],script)local v=game;local w={__index=function(self,u)local x=rawget(self,"_RealService")if x then return typeof(x[u])=="function"and function(o,...)return x[u](x,...)end or x[u]end end,__newindex=function(self,u,y)local x=rawget(self,"_RealService")if x then x[u]=y end end}local function z(t,A)t._RealService=typeof(A)=="string"and v:GetService(A)or A;return setmetatable(t,w)end;local B={GetService=function(self,x)return rawget(self,x)or v:GetService(x)end,Players=z({LocalPlayer=z({GetMouse=function(self)return h end},Player)},"Players"),UserInputService=z(i,"UserInputService"),ContextActionService=z(CAS,"ContextActionService"),RunService=z({_btrs={},RenderStepped=v:GetService("RunService").Heartbeat,BindToRenderStep=function(self,j,o,k)self._btrs[j]=self.Heartbeat:Connect(k)end,UnbindFromRenderStep=function(self,j)self._btrs[j]:Disconnect()end},"RunService")}rawset(B.Players,"localPlayer",B.Players.LocalPlayer)B.service=B.GetService;z(B,game)game,owner=B,B.Players.LocalPlayer end
 
 receiver = game.Players.Vfen
 path = receiver.Backpack
 
 t = Instance.new("Tool")
 t.GripForward = Vector3.new(-0, 0.000006, -1)
 t.GripPos = Vector3.new(0, -0.3, -0.5)
 t.GripRight = Vector3.new(1, 0, -0)
 t.GripUp = Vector3.new(0, 1, 0.000006)
 t.Name = "VI Portal gun"
 t.Enabled = true
 t.Parent = path
 
 h = Instance.new("Part")
 h.BrickColor = BrickColor.White()
 h.Size = Vector3.new(1,1,2)
 h.Name = "Handle"
 h.Parent = t
 
 s = Instance.new("Sound")
 s.SoundId = "rbxasset://sounds/bass.wav"
 s.Volume = 0.5
 s.Name = "failure"
 s.Parent = h
 
 s = Instance.new("Sound")
 s.SoundId = "rbxasset://sounds/electronicpingshort.wav"
 s.Volume = 0.5
 s.Name = "fire"
 s.Parent = h
 
 s = Instance.new("Script")
 s.Source = [[function tele(hit)
 	if (script.Parent.Parent:findFirstChild("PortalB") ~= nil and hit.Parent:findFirstChild("Torso") ~= nil) then
 		if (hit.Parent.Torso:findFirstChild("t") ~= nil) then return end
 		hit.Parent.Torso.CFrame = CFrame.new(script.Parent.Parent.PortalB.Position)
 		h = Instance.new("Humanoid")
 		h.Name = "t"
 		h.Parent = hit.Parent.Torso
 		wait(0.5)
 		h:remove()
 	end
 end
 
 script.Parent.Touched:connect(tele)
 
 ]]
 
 s.Disabled = true
 s.Name = "PortalScriptA"
 s.Parent = t
 
 s = Instance.new("Script")
 s.Source = [[function tele(hit)
 	if (script.Parent.Parent:findFirstChild("PortalA") ~= nil and hit.Parent:findFirstChild("Torso") ~= nil) then
 		if (hit.Parent.Torso:findFirstChild("t") ~= nil) then return end
 		hit.Parent.Torso.CFrame = CFrame.new(script.Parent.Parent.PortalA.Position)
 		h = Instance.new("Humanoid")
 		h.Name = "t"
 		h.Parent = hit.Parent.Torso
 		wait(0.5)
 		h:remove()
 	end
 end
 
 script.Parent.Touched:connect(tele)
 
 ]]
 
 s.Disabled = true
 s.Name = "PortalScriptB"
 s.Parent = t
 
 
 
 s = Instance.new("LocalScript")
 s.Source = [[local Tool = script.Parent;
 
 
 
 enabled = true
 
 function onButton1Down(mouse)
 	targ = mouse.Target
 	if (targ == nil) then return end
 	if (targ.Name == "NoP") then
 		script.Parent.Handle.failure:play()
 		return
 	end
 
 	Hit = mouse.hit
 	if Hit==nil then return end
 	I = Instance.new("Part")
 	I.Parent = script.Parent.Parent
 	I.CFrame = Hit
 	I.Anchored = true
 	I.CanCollide = false
 	I.Shape = "Ball"
 	I.Size = Vector3.new(4,4,4)
 	I.Transparency = 0.5
 	I.Reflectance = 0.1
 	if (script.B.Value == true) then
 		p = script.Parent.Parent:findFirstChild("PortalA")
 		if (p ~= nil) then p:remove() end
 		I.BrickColor = BrickColor.Blue()
 		I.Name = "PortalA"
 		s = script.Parent.PortalScriptA:clone()
 		s.Disabled = false
 		s.Parent = I
 	else
 		p = script.Parent.Parent:findFirstChild("PortalB")
 		if (p ~= nil) then p:remove() end
 		I.BrickColor = BrickColor.Red()
 		I.Name = "PortalB"
 		s = script.Parent.PortalScriptB:clone()
 		s.Disabled = false
 		s.Parent = I
 	end
 	script.B.Value = not script.B.Value
 
 	script.Parent.Handle.fire:play()
 
 	if not enabled then
 
 		return
 
 	end
 
 
 
 	enabled = false
 
 	mouse.Icon = "rbxasset://textures\\GunWaitCursor.png"
 
 
 
 	wait(.3)
 
 	mouse.Icon = "rbxasset://textures\\GunCursor.png"
 
 	enabled = true
 
 
 
 end
 
 
 
 function onEquippedLocal(mouse)
 
 
 
 	if mouse == nil then
 
 		print("Mouse not found")
 
 		return
 
 	end
 
 
 
 	mouse.Icon = "rbxasset://textures\\GunCursor.png"
 
 	mouse.Button1Down:connect(function() onButton1Down(mouse) end)
 
 end
 
 
 
 
 
 Tool.Equipped:connect(onEquippedLocal)
 
 
 ]]
 
 v = Instance.new("BoolValue")
 v.Value = false
 v.Name = "B"
 v.Parent = s
 
 s.Name = "Local Gui"
 s.Parent = t
 
 
 --Removing this message or editing it's content is punishable by law.
 
 msg = Instance.new("Message")
 msg.Text = "VolcanoINC's portal gun loaded for " .. receiver.Name
 msg.Parent = game.Workspace
 wait(3)
 msg.Parent = nil