View difference between Paste ID: nz9bxRs8 and sMG3Cfie

 --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
 ----------------------------------------
  -- Originally made by Alfederate :D --
 ----------------------------------------
 
  -- there's no time to explain! --
 
 local new=Instance.new
 local rad=math.rad
 local cf=CFrame.new
 local v3=Vector3.new
 local ang=function(x,y,z)
 return CFrame.Angles(rad(x),rad(y),rad(z))
 end
 local player=game:service'Players'.LocalPlayer
 local char=player.Character
 local cam=workspace.Camera
 local mouse=player:GetMouse()
 local weld=function(a,b,c0,c1)
 m=Instance.new('Motor',a)
 m.Part0=a
 m.Part1=b
 m.C0=c0
 m.C1=c1
 return m
 end
 
 snd='rbxassetid://306197164'
 beamm=Instance.new('Model',workspace)
 beamm.Name='beam'
 
 laser=false
 
 rs=Instance.new('Part',char)
 rs.Transparency=1
 rs.CanCollide=false
 rs.TopSurface,rs.BottomSurface=0,0
 rs.FormFactor=3
 rs.Size=Vector3.new(.5,.5,.5)
 
 ls=rs:Clone()
 ls.Parent=char
 
 rsw=weld(rs,char.Torso,cf(-1,-.5,0),cf())
 lsw=weld(ls,char.Torso,cf(1,-.5,0),cf())
 raw=weld(char['Right Arm'],rs,cf(-.5,.6,-.14),ang(90,0,-8))
 law=weld(char['Left Arm'],ls,cf(-.3,1.5,-.14),ang(90,0,43))
 
 s1=Instance.new('Sound',char)
 s1.Volume=1
 s1.Pitch=1
 s1.Looped=true
 s1.SoundId=snd
 
 particles={}
 
 local wep=new('Part',char)
 wep.FormFactor=3
 wep.CanCollide=false
 wep.Size=v3(1,3,1)
 wep.TopSurface,wep.BottomSurface=0,0
 local wepw=weld(wep,char['Right Arm'],cf(.26,.4,.7),ang(0,0,8))
 
 local beam=wep:Clone()
 beam:ClearAllChildren()
 beam.Material='Neon'
 beam.BrickColor=BrickColor.new('Toothpaste')
 beam.Size=Vector3.new(3,3,1)
 beam.Transparency=.5
 beam.Anchored=true
 local ms=Instance.new('BlockMesh',beam)
 local inner=beam:Clone()
 inner.Transparency=0
 inner.Material='SmoothPlastic'
 inner.BrickColor=BrickColor.new('Navy blue')
 local ms2=inner.Mesh
 
 local expl=inner:Clone()
 expl.Mesh:Destroy()
 expl.Material='Neon'
 expl.BrickColor=BrickColor.new('Toothpaste')
 expl.Size=Vector3.new(11,11,11)
 expl.Transparency=.55
 pl=Instance.new('PointLight',expl)
 pl.Color=expl.BrickColor.Color
 pl.Range=pl.Range*2
 pl.Name='light'
 local br=pl.Range
 
 local exa=expl:Clone()
 exa.Size=Vector3.new(4,4,4)
 pl2=exa.light
 
 local part=exa:Clone()
 part.Size=Vector3.new(1.5,1.5,1.5)
 pl3=part.light
 pms=Instance.new('BlockMesh',part)
 
 char.Humanoid.Died:connect(function()
 laser=false
 beam.Parent=nil
 inner.Parent=nil
 expl.Parent=nil
 exa.Parent=nil
 s1:stop()
 end)
 
 mouse.Button1Down:connect(function() if char.Humanoid.Health~=0 then
 laser=true
 s1.Volume=1
 s1:play()
 end end)
 mouse.Button1Up:connect(function()
 laser=false
 beam.Parent=nil
 inner.Parent=nil
 expl.Parent=nil
 exa.Parent=nil
 s1:stop()
 end)
 
 parti=0
 game:service'RunService'.Stepped:connect(function()
 parti=parti+1
 for i,v in pairs(particles) do
 v.CFrame=v.CFrame*CFrame.new(0,0,-.3)
 v.Transparency=v.Transparency+.08
 if v.Transparency >= 1 then
 v:Destroy()
 table.remove(particles,i)
 else
 v.Parent=beamm
 end
 end
 a=cam.CoordinateFrame.p
 b=mouse.Hit.p
 mhitr=Ray.new(a,(b-a).unit*999)
 mhit,ps=workspace:FindPartOnRayWithIgnoreList(mhitr,{char,beamm})
 raw.C1=ang(90+(mouse.Hit.lookVector.y*90),0,-8)
 law.C1=ang(90+(mouse.Hit.lookVector.y*90),0,43)
 if not char.Humanoid.Sit and not char.Humanoid.PlatformStand then
 char.Torso.CFrame=CFrame.new(char.Torso.CFrame.p,Vector3.new(ps.x,char.Torso.CFrame.p.y,ps.z))
 end
 if laser then
 beamm.Parent=workspace
 beam.Parent=beamm
 inner.Parent=beamm
 expl.Parent=beamm
 exa.Parent=beamm
 s1.Volume=s1.Volume-.002
 
 ray=Ray.new((wep.CFrame*cf(0,-1.5,0)).p,((wep.CFrame*cf(0,-10,0)).p-(wep.CFrame*cf(0,-1.5,0)).p).unit*999)
 hit,pos=workspace:FindPartOnRayWithIgnoreList(ray,{char,beamm})
 
 if hit and hit.Parent:findFirstChild('Humanoid') and s1.Volume > .3 and parti/8==math.floor(parti/8) then
 Instance.new('Explosion',workspace).Position=pos
 end
 if hit and hit.Parent==workspace.Terrain or hit==workspace.Terrain and parti/8==math.floor(parti/8) then
 e=Instance.new('Explosion',workspace)
 e.Position=pos
 e.BlastRadius=14
 e.BlastPressure=1e4
 end
 if hit and not hit.Anchored and not (hit:GetMass()>1e4) then
 hit.Velocity=hit.Velocity+beam.CFrame.lookVector*(1*s1.Volume*hit:GetMass())
 end
 
 if parti==math.floor(parti) then
 par=part:Clone()
 table.insert(particles,par)
 par.Parent=beamm
 par.Transparency=1-s1.Volume
 par.light.Range=br*s1.Volume
 par.CFrame=cf(pos)*ang(math.random(-180,180),math.random(-180,180),math.random(-180,180))*cf(0,0,-10)
 end
 
 mag=((wep.CFrame*cf(0,-1.5,0)).p-pos).magnitude
 ms.Scale=v3(s1.Volume,s1.Volume,mag)
 ms2.Scale=v3(ms.Scale.x/2,ms.Scale.y/2,mag-(.1/mag))
 beam.CFrame=cf((wep.CFrame*cf(0,-1.5,0)).p,pos)*cf(0,0,-mag/2)*ang(0,0,math.random(0,180))
 inner.CFrame=beam.CFrame
 pl.Range=br*s1.Volume
 pl2.Range=br*s1.Volume
 expl.Size=v3(math.random(9,13),math.random(9,13),math.random(9,13))*s1.Volume
 expl.Transparency=math.random(40,60)/100
 expl.CFrame=cf(pos)*ang(math.random(0,180),math.random(0,180),math.random(0,180))
 exa.Size=v3(4,4,4)*s1.Volume
 exa.CFrame=wep.CFrame*cf(0,-1.5,0)*ang(math.random(0,180),math.random(0,180),math.random(0,180))
 char.Torso.Velocity=char.Torso.Velocity-beam.CFrame.lookVector*(7*s1.Volume)
 end
 end)