Create a new version of paste:

local runService = game:GetService("RunService")
local replicatedStorage = game:GetService("ReplicatedStorage")
local players = game:GetService("Players")
local UserInputService = game:GetService("UserInputService")
local debris = game:GetService("Debris")

local player = players.LocalPlayer
local viewModels = workspace:WaitForChild("ViewModels")
local camera = workspace.CurrentCamera
local mouse = player:GetMouse()
local remotes = replicatedStorage.Remotes

local guns = replicatedStorage:WaitForChild("Guns")

local gunConnection = nil
local currentAnimation = nil
local viewModel = nil
local gun = nil

local aiming = false
local firingWeapon = false
local WeaponEquipped = false
local FireDebounce = false

local configuration = nil

local lastFireTick = tick()

local module = {}


local function Fire()
	if (tick() - lastFireTick) >= configuration.Debounce then
		remotes.Fire:FireServer(mouse.Target, mouse.Hit, configuration, gun)
		lastFireTick = tick()
	else
		return
	end
end

local function PositionViewModel(gun: Model)
	local gunOffset = configuration.Offset
	local lastCameraCFrame = camera.CFrame
	local targetCFrame = CFrame.new()
	local swayOffset = CFrame.new()
	local swaySize = 1
	local isWalking = false
		
	gunConnection = runService.RenderStepped:Connect(function(deltaTime)
		local character = player.Character or player.CharacterAdded:Wait()
		if character then
			local humanoid = character:FindFirstChild("Humanoid")
			if humanoid then
				if humanoid.MoveDirection.Magnitude > 0 then
					isWalking = true
				else
					isWalking = false
				end
				
				local aimOffset = gun.Aim.CFrame:Inverse() * camera.CFrame * CFrame.new(0, gunOffset.Y, 0)
				local walkSineWave = math.sin(time() * 2*4) / 25
				local walkCosWave = math.cos(time() * 3*4) / 20
				local walkSineRotation = math.sin(time() * 2*4) /25
				local walkCosRotation = math.cos(time() * 3*4) / 20
				
				local X, Y, Z = (camera.CFrame:ToObjectSpace(lastCameraCFrame)):ToOrientation()
				swayOffset = swayOffset:Lerp(CFrame.Angles(math.sin(X / 2) * swaySize, math.sin(Y / 2) * swaySize, 0), 0.1)
				
				local walkCFrameOffset = CFrame.new(walkSineWave, walkCosWave, 0) * CFrame.fromEulerAnglesXYZ(0, 0, walkSineRotation)
				
				if aiming then
					walkCFrameOffset = CFrame.new(walkSineWave / 10, walkCosWave / 10, 0)
				end
				
				if isWalking and not aiming then
					targetCFrame = targetCFrame:Lerp(gunOffset * walkCFrameOffset * swayOffset, 0.1)
				elseif not isWalking and not aiming then
					targetCFrame = targetCFrame:Lerp(gunOffset * swayOffset, 0.1)
				end
				
				if isWalking and aiming then
					targetCFrame = targetCFrame:Lerp(walkCFrameOffset * swayOffset * aimOffset, 0.1)
				elseif not isWalking and aiming then
					targetCFrame = targetCFrame:Lerp(swayOffset * aimOffset, 0.1)
				end
				
				lastCameraCFrame = camera.CFrame
				
				gun:PivotTo(camera.CFrame * targetCFrame)
				if firingWeapon and configuration.Automatic then
					Fire()
				end
			end
		end
	end)
end

function module.EquipGun(gunName: string)
	local foundGun = guns:FindFirstChild(gunName)
	
	if foundGun == nil then
		print("GUN_NOT_FOUND") 
		return
	end
	
	gun = foundGun:Clone()
	gun.Parent = viewModels
	
	configuration = require(foundGun.config)
	PositionViewModel(gun)
	viewModel = gun
	
	local character = player.Character or player.CharacterAdded:Wait()
	if character == nil then return end
	local humanoid = character:FindFirstChild("Humanoid")
	if humanoid == nil then return end
	local animator = humanoid:FindFirstChild("Animator")
	if animator == nil then return end
	if currentAnimation ~= nil then
		currentAnimation:Stop()
	end
	currentAnimation = animator:LoadAnimation(foundGun.Animations.Idle)
	currentAnimation:Play()
	WeaponEquipped = true
end

function module.ClearAllItems()
	if currentAnimation ~= nil then
		currentAnimation:Stop()
	end
	if gunConnection ~= nil then
		gunConnection:Disconnect()
		viewModels:ClearAllChildren()
	end
	WeaponEquipped = false
	configuration = nil
	viewModel = nil
end

UserInputService.InputBegan:Connect(function(input, gameProcessedEvent)
	if gameProcessedEvent  and not WeaponEquipped then return end
	
	if input.UserInputType == Enum.UserInputType.MouseButton2 then
		aiming = true
	end
	
	if input.UserInputType == Enum.UserInputType.MouseButton1 then
		firingWeapon = true
	end
end)

UserInputService.InputEnded:Connect(function(input, gameProcessedEvent)
	if gameProcessedEvent and not WeaponEquipped then return end
	
	if input.UserInputType == Enum.UserInputType.MouseButton2 then
		aiming = false
	end
	
	if input.UserInputType == Enum.UserInputType.MouseButton1 then
		firingWeapon = false
	end
end)

mouse.Button1Up:Connect(function()
	if configuration ~= nil and not configuration.Automatic then
		Fire()
	end
end)

return module