-- LocalScript in StarterPlayerScripts

local Players = game:GetService("Players")
local RunService = game:GetService("RunService")
local UserInputService = game:GetService("UserInputService")

local player = Players.LocalPlayer
local camera = workspace.CurrentCamera

local lockedTarget = nil
local lockOnKey = Enum.KeyCode.Z
local maxLockDistance = 100

local enemyFolder = workspace:WaitForChild("Live")

-- =====================
--   GUI SETUP
-- =====================
local screenGui = Instance.new("ScreenGui")
screenGui.Name = "LockOnGui"
screenGui.ResetOnSpawn = false
screenGui.Parent = player.PlayerGui

local frame = Instance.new("Frame")
frame.Size = UDim2.new(0, 180, 0, 50)
frame.Position = UDim2.new(0.5, -90, 0.08, 0)
frame.BackgroundColor3 = Color3.fromRGB(20, 20, 20)
frame.BackgroundTransparency = 0.3
frame.BorderSizePixel = 0
frame.Parent = screenGui

local corner = Instance.new("UICorner")
corner.CornerRadius = UDim.new(0, 10)
corner.Parent = frame

local statusLabel = Instance.new("TextLabel")
statusLabel.Size = UDim2.new(1, 0, 0.5, 0)
statusLabel.Position = UDim2.new(0, 0, 0, 0)
statusLabel.BackgroundTransparency = 1
statusLabel.TextColor3 = Color3.fromRGB(255, 80, 80)
statusLabel.Text = "🔴 LOCK-ON: OFF"
statusLabel.TextScaled = true
statusLabel.Font = Enum.Font.GothamBold
statusLabel.Parent = frame

local targetLabel = Instance.new("TextLabel")
targetLabel.Size = UDim2.new(1, 0, 0.5, 0)
targetLabel.Position = UDim2.new(0, 0, 0.5, 0)
targetLabel.BackgroundTransparency = 1
targetLabel.TextColor3 = Color3.fromRGB(200, 200, 200)
targetLabel.Text = ""
targetLabel.TextScaled = true
targetLabel.Font = Enum.Font.Gotham
targetLabel.Parent = frame

local function setGuiLocked(target)
    if target then
        statusLabel.Text = "🟢 LOCK-ON: ON"
        statusLabel.TextColor3 = Color3.fromRGB(80, 255, 80)
        targetLabel.Text = "Target: " .. target.Name
    else
        statusLabel.Text = "🔴 LOCK-ON: OFF"
        statusLabel.TextColor3 = Color3.fromRGB(255, 80, 80)
        targetLabel.Text = ""
    end
end

-- =====================
--   LOCK-ON LOGIC
-- =====================
local function getClosestEnemy()
    local character = player.Character
    if not character then return nil end
    local hrp = character:FindFirstChild("HumanoidRootPart")
    if not hrp then return nil end

    local closest = nil
    local closestDist = maxLockDistance

    for _, enemy in ipairs(enemyFolder:GetChildren()) do
        -- Skip the local player's own character
        if enemy == character then continue end

        -- Skip teammates
        local enemyPlayer = Players:GetPlayerFromCharacter(enemy)
        if enemyPlayer and enemyPlayer.Team == player.Team then continue end

        local enemyHRP = enemy:FindFirstChild("HumanoidRootPart")
        local humanoid = enemy:FindFirstChild("Humanoid")

        if enemyHRP and humanoid and humanoid.Health > 0 then
            local dist = (hrp.Position - enemyHRP.Position).Magnitude
            if dist < closestDist then
                closestDist = dist
                closest = enemy
            end
        end
    end

    return closest
end

UserInputService.InputBegan:Connect(function(input, gameProcessed)
    if gameProcessed then return end
    if input.KeyCode == lockOnKey then
        if lockedTarget then
            lockedTarget = nil
            setGuiLocked(nil)
        else
            lockedTarget = getClosestEnemy()
            setGuiLocked(lockedTarget)
        end
    end
end)

RunService.RenderStepped:Connect(function()
    if not lockedTarget then return end

    local character = player.Character
    if not character then return end
    local hrp = character:FindFirstChild("HumanoidRootPart")
    local enemyHRP = lockedTarget:FindFirstChild("HumanoidRootPart")
    local humanoid = lockedTarget:FindFirstChild("Humanoid")

    if not enemyHRP or not humanoid or humanoid.Health <= 0 then
        lockedTarget = nil
        setGuiLocked(nil)
        return
    end

    local dist = (hrp.Position - enemyHRP.Position).Magnitude
    if dist > maxLockDistance then
        lockedTarget = nil
        setGuiLocked(nil)
        return
    end

    local targetPos = enemyHRP.Position + Vector3.new(0, 1.5, 0)
    local camPos = camera.CFrame.Position
    camera.CFrame = CFrame.new(camPos, targetPos)
end)