-- Shitlock.lol
if not game:IsLoaded() then
    game.Loaded:Wait()
end

local uniqueKey = "Script_" .. tostring(math.random(100000, 999999)) .. "_" .. tostring(tick())

if getgenv()[uniqueKey] then return end
getgenv()[uniqueKey] = true

local players = game:GetService("Players")
local localPlayer = players.LocalPlayer

if not localPlayer then
    players:GetPropertyChangedSignal("LocalPlayer"):Wait()
    localPlayer = players.LocalPlayer
end

local character = localPlayer.Character or localPlayer.CharacterAdded:Wait()
local humanoid = character:WaitForChild("Humanoid")
local rootPart = character:WaitForChild("HumanoidRootPart")

if workspace.CurrentCamera == nil then return end

local randomGuiName1 = "GUI_" .. tostring(math.random(1000000, 9999999)) .. "_" .. tostring(math.random(1000000, 9999999))
local randomGuiName2 = "GUI_" .. tostring(math.random(1000000, 9999999)) .. "_" .. tostring(math.random(1000000, 9999999))
local randomGuiName3 = "GUI_" .. tostring(math.random(1000000, 9999999)) .. "_" .. tostring(math.random(1000000, 9999999))

local targetGetHui = (typeof(gethui) == "function" and gethui()) or game:GetService("CoreGui")

local ShiftlockStarterGui = Instance.new("ScreenGui")
local ImageButton = Instance.new("ImageButton")
local ScreenGui = Instance.new("ScreenGui")

ScreenGui.Name = randomGuiName1
ScreenGui.Parent = targetGetHui

ShiftlockStarterGui.Name = randomGuiName2
ShiftlockStarterGui.Parent = ScreenGui
ShiftlockStarterGui.ZIndexBehavior = Enum.ZIndexBehavior.Sibling

ImageButton.Parent = ShiftlockStarterGui
ImageButton.Active = true
ImageButton.Draggable = false
ImageButton.BackgroundColor3 = Color3.fromRGB(255, 255, 255)
ImageButton.BackgroundTransparency = 1.000
ImageButton.Position = UDim2.new(0.921914339, 0, 0.552375436, 0)
ImageButton.Size = UDim2.new(0.0636147112, 0, 0.0661305636, 0)
ImageButton.SizeConstraint = Enum.SizeConstraint.RelativeXX
ImageButton.Image = "http://www.roblox.com/asset/?id=182223762"

local CrosshairGui = Instance.new("ScreenGui")
CrosshairGui.Name = randomGuiName3
CrosshairGui.Parent = targetGetHui
CrosshairGui.ZIndexBehavior = Enum.ZIndexBehavior.Sibling
CrosshairGui.ResetOnSpawn = false

local CrosshairImage = Instance.new("ImageLabel")
CrosshairImage.Parent = CrosshairGui
CrosshairImage.BackgroundTransparency = 1
CrosshairImage.AnchorPoint = Vector2.new(0.5, 0.5)
CrosshairImage.Position = UDim2.new(0.5, 0, 0.5, -25)
CrosshairImage.Size = UDim2.new(0, 48, 0, 48)
CrosshairImage.Image = "rbxassetid://10546018744"
CrosshairImage.Visible = false

local runservice = game:GetService("RunService")
local CAS = game:GetService("ContextActionService")
local player = players.LocalPlayer
local button = ImageButton

local uis = game:GetService("UserInputService")
local ismobile = uis.TouchEnabled
button.Visible = false

local states = {
    OFF = "rbxasset://textures/ui/mouseLock_off@2x.png",
    ON = "rbxasset://textures/ui/mouseLock_on@2x.png"
}

local MAX_LENGTH = 900000
local active = false
local ENABLED_OFFSET = CFrame.new(1.7, 0.7, 0)
local DISABLED_OFFSET = CFrame.new(-1.7, -0.7, 0)
local rootPos = Vector3.new(0, 0, 0)

local dragging = false
local dragStartPos = nil
local dragStartButtonPos = nil
local DRAG_THRESHOLD = 10

local isFirstPerson = false
local shiftlockVisible = false

local autoRotateConnection = nil
local devMouseLockConnection = nil

local function UpdateImage(STATE)
    button.Image = states[STATE]
end

local function UpdatePos()
    if player.Character and player.Character:FindFirstChildOfClass("Humanoid") and player.Character:FindFirstChildOfClass("Humanoid").RootPart then
        rootPos = player.Character:FindFirstChildOfClass("Humanoid").RootPart.Position
    end
end

local function UpdateAutoRotate(BOOL)
    if player.Character and player.Character:FindFirstChildOfClass("Humanoid") then
        player.Character:FindFirstChildOfClass("Humanoid").AutoRotate = BOOL
    end
end

local function GetUpdatedCameraCFrame()
    if workspace.CurrentCamera then
        return CFrame.new(rootPos, Vector3.new(workspace.CurrentCamera.CFrame.LookVector.X * MAX_LENGTH, rootPos.Y, workspace.CurrentCamera.CFrame.LookVector.Z * MAX_LENGTH))
    end
end

local function DisableShiftlock()
    if autoRotateConnection then
        autoRotateConnection:Disconnect()
        autoRotateConnection = nil
    end

    if devMouseLockConnection then
        devMouseLockConnection:Disconnect()
        devMouseLockConnection = nil
    end

    if active then
        active:Disconnect()
        active = false
    end

    UpdatePos()
    UpdateAutoRotate(true)
    pcall(function() player.DevEnableMouseLock = true end)
    UpdateImage("OFF")

    if workspace.CurrentCamera then
        workspace.CurrentCamera.CFrame = workspace.CurrentCamera.CFrame * DISABLED_OFFSET
    end

    CrosshairImage.Visible = false
end

local function EnableShiftlock()
    UpdatePos()
    UpdateAutoRotate(false)
    UpdateImage("ON")

    if player.Character and player.Character:FindFirstChildOfClass("Humanoid") and player.Character:FindFirstChildOfClass("Humanoid").RootPart then
        player.Character:FindFirstChildOfClass("Humanoid").RootPart.CFrame = GetUpdatedCameraCFrame()
    end

    if workspace.CurrentCamera then
        workspace.CurrentCamera.CFrame = workspace.CurrentCamera.CFrame * ENABLED_OFFSET
    end

    CrosshairImage.Visible = true
end

local function StartAutoRotateWatcher()
    if autoRotateConnection then
        autoRotateConnection:Disconnect()
        autoRotateConnection = nil
    end

    local hum = player.Character and player.Character:FindFirstChildOfClass("Humanoid")
    if hum then
        autoRotateConnection = hum:GetPropertyChangedSignal("AutoRotate"):Connect(function()
            if active then
                if hum.AutoRotate == true then
                    hum.AutoRotate = false
                end
            end
        end)
    end
end

local function StartDevMouseLockWatcher()
    if devMouseLockConnection then
        devMouseLockConnection:Disconnect()
        devMouseLockConnection = nil
    end

    devMouseLockConnection = player:GetPropertyChangedSignal("DevEnableMouseLock"):Connect(function()
        if active then
            if player.DevEnableMouseLock == true then
                player.DevEnableMouseLock = false
            end
        end
    end)

    if player.DevEnableMouseLock == true then
        player.DevEnableMouseLock = false
    end
end

UpdateImage("OFF")

local function ShiftLock()
    if not active then
        active = runservice.RenderStepped:Connect(function()
            EnableShiftlock()
        end)
        StartAutoRotateWatcher()
        StartDevMouseLockWatcher()
    else
        DisableShiftlock()
    end
end

CAS:BindAction("ShiftLOCK", ShiftLock, false, "On")
CAS:SetPosition("ShiftLOCK", UDim2.new(0.8, 0, 0.8, 0))

local function ClampButtonPosition(posX, posY)
    local screenSize = ShiftlockStarterGui.AbsoluteSize
    local buttonSize = button.AbsoluteSize

    local minX = 0
    local minY = 0
    local maxX = screenSize.X - buttonSize.X
    local maxY = screenSize.Y - buttonSize.Y

    posX = math.clamp(posX, minX, maxX)
    posY = math.clamp(posY, minY, maxY)

    return posX, posY
end

button.InputBegan:Connect(function(input)
    if input.UserInputType == Enum.UserInputType.Touch or input.UserInputType == Enum.UserInputType.MouseButton1 then
        dragging = false
        dragStartPos = Vector2.new(input.Position.X, input.Position.Y)
        dragStartButtonPos = Vector2.new(button.AbsolutePosition.X, button.AbsolutePosition.Y)
    end
end)

button.InputChanged:Connect(function(input)
    if input.UserInputType == Enum.UserInputType.Touch or input.UserInputType == Enum.UserInputType.MouseMovement then
        if dragStartPos and dragStartButtonPos then
            local currentPos = Vector2.new(input.Position.X, input.Position.Y)
            local delta = currentPos - dragStartPos

            if delta.Magnitude > DRAG_THRESHOLD then
                dragging = true
            end

            if dragging then
                local newX = dragStartButtonPos.X + delta.X
                local newY = dragStartButtonPos.Y + delta.Y

                newX, newY = ClampButtonPosition(newX, newY)

                button.Position = UDim2.new(0, newX, 0, newY)
            end
        end
    end
end)

button.InputEnded:Connect(function(input)
    if input.UserInputType == Enum.UserInputType.Touch or input.UserInputType == Enum.UserInputType.MouseButton1 then
        if not dragging then
            if not active then
                active = runservice.RenderStepped:Connect(function()
                    EnableShiftlock()
                end)
                StartAutoRotateWatcher()
                StartDevMouseLockWatcher()
            else
                DisableShiftlock()
            end
        end
        dragging = false
        dragStartPos = nil
        dragStartButtonPos = nil
    end
end)

runservice:BindToRenderStep("FirstPersonDetector", Enum.RenderPriority.Camera.Value + 1, function()
    local camera = workspace.CurrentCamera
    if camera then
        local dist = (camera.CFrame.p - camera.Focus.p).Magnitude
        local nowFirstPerson = dist < 0.75

        if nowFirstPerson ~= isFirstPerson then
            isFirstPerson = nowFirstPerson
            if isFirstPerson then
                if ismobile then
                    shiftlockVisible = not shiftlockVisible
                    button.Visible = shiftlockVisible
                end
                if active then
                    DisableShiftlock()
                end
            end
        end
    end
end)

local mouseLockImages = {
    "rbxasset://textures/ui/mouseLock_off@2x.png",
    "rbxasset://textures/ui/mouseLock_on@2x.png"
}

local function IsMouseLockButton(obj)
    if obj:IsA("ImageButton") or obj:IsA("ImageLabel") then
        for _, img in ipairs(mouseLockImages) do
            if obj.Image == img then
                return true
            end
        end
    end
    return false
end

local foundButton = nil
local positionCopied = false

local function FindTargetButton(parent)
    if not parent then return nil end
    local success, children = pcall(function()
        return parent:GetDescendants()
    end)
    if not success then return nil end
    for _, obj in ipairs(children) do
        if IsMouseLockButton(obj) and obj ~= button then
            return obj
        end
    end
    return nil
end

runservice.Heartbeat:Connect(function()
    if not foundButton or not foundButton:IsDescendantOf(game) then
        foundButton = FindTargetButton(player.PlayerGui) or FindTargetButton(game:GetService("CoreGui"))
    end

    if foundButton then
        pcall(function()
            if button.Visible then
                if not positionCopied then
                    positionCopied = true
                    button.Position = foundButton.Position
                end
                foundButton.Visible = false
            else
                foundButton.Visible = true
            end
        end)
    end
end)

game:GetService("Players").PlayerRemoving:Connect(function(leavingPlayer)
    if leavingPlayer == player then
        DisableShiftlock()
    end
end)