View difference between Paste ID: FpXNCSzr and q6S4AcxJ

 --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
 
 -- FE Fly (Push E)
 repeat wait()
    until game.Players.LocalPlayer and game.Players.LocalPlayer.Character and game.Players.LocalPlayer.Character:findFirstChild("Torso") and game.Players.LocalPlayer.Character:findFirstChild("Humanoid")
 local mouse = game.Players.LocalPlayer:GetMouse()
 repeat wait() until mouse
 local plr = game.Players.LocalPlayer
 local torso = plr.Character.Torso
 local flying = true
 local deb = true
 local ctrl = {f = 0, b = 0, l = 0, r = 0}
 local lastctrl = {f = 0, b = 0, l = 0, r = 0}
 local maxspeed = 50
 local speed = 0
 
 function Fly()
 local bg = Instance.new("BodyGyro", torso)
 bg.P = 9e4
 bg.maxTorque = Vector3.new(9e9, 9e9, 9e9)
 bg.cframe = torso.CFrame
 local bv = Instance.new("BodyVelocity", torso)
 bv.velocity = Vector3.new(0,0.1,0)
 bv.maxForce = Vector3.new(9e9, 9e9, 9e9)
 repeat wait()
 plr.Character.Humanoid.PlatformStand = true
 if ctrl.l + ctrl.r ~= 0 or ctrl.f + ctrl.b ~= 0 then
 speed = speed+.5+(speed/maxspeed)
 if speed > maxspeed then
 speed = maxspeed
 end
 elseif not (ctrl.l + ctrl.r ~= 0 or ctrl.f + ctrl.b ~= 0) and speed ~= 0 then
 speed = speed-1
 if speed < 0 then
 speed = 0
 end
 end
 if (ctrl.l + ctrl.r) ~= 0 or (ctrl.f + ctrl.b) ~= 0 then
 bv.velocity = ((game.Workspace.CurrentCamera.CoordinateFrame.lookVector * (ctrl.f+ctrl.b)) + ((game.Workspace.CurrentCamera.CoordinateFrame * CFrame.new(ctrl.l+ctrl.r,(ctrl.f+ctrl.b)*.2,0).p) - game.Workspace.CurrentCamera.CoordinateFrame.p))*speed
 lastctrl = {f = ctrl.f, b = ctrl.b, l = ctrl.l, r = ctrl.r}
 elseif (ctrl.l + ctrl.r) == 0 and (ctrl.f + ctrl.b) == 0 and speed ~= 0 then
 bv.velocity = ((game.Workspace.CurrentCamera.CoordinateFrame.lookVector * (lastctrl.f+lastctrl.b)) + ((game.Workspace.CurrentCamera.CoordinateFrame * CFrame.new(lastctrl.l+lastctrl.r,(lastctrl.f+lastctrl.b)*.2,0).p) - game.Workspace.CurrentCamera.CoordinateFrame.p))*speed
 else
 bv.velocity = Vector3.new(0,0.1,0)
 end
 bg.cframe = game.Workspace.CurrentCamera.CoordinateFrame * CFrame.Angles(-math.rad((ctrl.f+ctrl.b)*50*speed/maxspeed),0,0)
 until not flying
 ctrl = {f = 0, b = 0, l = 0, r = 0}
 lastctrl = {f = 0, b = 0, l = 0, r = 0}
 speed = 0
 bg:Destroy()
 bv:Destroy()
 plr.Character.Humanoid.PlatformStand = false
 end
 mouse.KeyDown:connect(function(key)
 if key:lower() == "e" then
 if flying then flying = false
 else
 flying = true
 Fly()
 end
 elseif key:lower() == "w" then
 ctrl.f = 1
 elseif key:lower() == "s" then
 ctrl.b = -1
 elseif key:lower() == "a" then
 ctrl.l = -1
 elseif key:lower() == "d" then
 ctrl.r = 1
 end
 end)
 mouse.KeyUp:connect(function(key)
 if key:lower() == "w" then
 ctrl.f = 0
 elseif key:lower() == "s" then
 ctrl.b = 0
 elseif key:lower() == "a" then
 ctrl.l = 0
 elseif key:lower() == "d" then
 ctrl.r = 0
 end
 end)
 Fly()