local plr = game:GetService("Players").LocalPlayer
local run = game:GetService("RunService")
local cam = workspace.CurrentCamera
local coreGui = game:GetService("CoreGui")
local starterGui = game:GetService("StarterGui")

-- Variables
local noclipActive = false 
local clipEnabled = true   
local speed = 0.5 
local pos, gyro, heartbeatEvent

-- Visual Enhanced Notification
local function notify(title, msg)
    pcall(function()
        starterGui:SetCore("SendNotification", {
            Title = title,
            Text = "\n" .. msg .. "\n ", 
            Duration = 5,
            Button1 = "Ok"
        })
    end)
end

-------------------------------------------------------
-- UI Construction (English Version with )
-------------------------------------------------------

if coreGui:FindFirstChild("GameDontBannedUI") then
    coreGui.GameDontBannedUI:Destroy()
end

local screenGui = Instance.new("ScreenGui")
screenGui.Name = "GameDontBannedUI"
screenGui.Parent = coreGui
screenGui.ResetOnSpawn = false
screenGui.IgnoreGuiInset = true

local frame = Instance.new("Frame")
frame.Size = UDim2.new(0.15, 0, 0.22, 0) 
frame.Position = UDim2.new(0.1, 0, 0.2, 0)
frame.BackgroundColor3 = Color3.fromRGB(30, 30, 30)
frame.Active = true
frame.Draggable = true 
frame.Parent = screenGui

local corner = Instance.new("UICorner")
corner.CornerRadius = UDim.new(0.05, 0)
corner.Parent = frame

local titleLabel = Instance.new("TextLabel")
titleLabel.Size = UDim2.new(1, 0, 0.2, 0)
titleLabel.Text = "Fake Admin Fly Gui" 
titleLabel.TextColor3 = Color3.new(1, 1, 1)
titleLabel.BackgroundColor3 = Color3.fromRGB(50, 50, 50)
titleLabel.Font = Enum.Font.SourceSansBold
titleLabel.TextScaled = true
titleLabel.Parent = frame
Instance.new("UICorner", titleLabel).CornerRadius = UDim.new(0.2, 0)

local speedInput = Instance.new("TextBox")
speedInput.Size = UDim2.new(0.8, 0, 0.15, 0)
speedInput.Position = UDim2.new(0.1, 0, 0.25, 0)
speedInput.Text = tostring(speed)
speedInput.PlaceholderText = "Set Fly Speed..."
speedInput.TextScaled = true
speedInput.Parent = frame
Instance.new("UICorner", speedInput)

local flyBtn = Instance.new("TextButton")
flyBtn.Size = UDim2.new(0.8, 0, 0.2, 0)
flyBtn.Position = UDim2.new(0.1, 0, 0.45, 0)
flyBtn.Text = "Fly: Off"
flyBtn.BackgroundColor3 = Color3.fromRGB(80, 80, 80)
flyBtn.TextColor3 = Color3.new(1, 1, 1)
flyBtn.TextScaled = true
flyBtn.Parent = frame
Instance.new("UICorner", flyBtn)

local noclipBtn = Instance.new("TextButton")
noclipBtn.Size = UDim2.new(0.8, 0, 0.2, 0)
noclipBtn.Position = UDim2.new(0.1, 0, 0.7, 0)
noclipBtn.Text = "NoClip: Off"
noclipBtn.BackgroundColor3 = Color3.fromRGB(80, 80, 80)
noclipBtn.TextColor3 = Color3.new(1, 1, 1)
noclipBtn.TextScaled = true
noclipBtn.Parent = frame
Instance.new("UICorner", noclipBtn)

-------------------------------------------------------
-- Core Logic Functions
-------------------------------------------------------

local function resetCharacterCollision(char)
    if not char then return end
    for _, o in ipairs(char:GetDescendants()) do
        if o:IsA("BasePart") then
            local name = o.Name:lower()
            if name:find("torso") or name:find("root") or name:find("head") then
                o.CanCollide = true
            else
                o.CanCollide = false
            end
        end
    end
end

-- 增强版停止飞行函数
local function stopFly()
    noclipActive = false
    if heartbeatEvent then 
        heartbeatEvent:Disconnect() 
        heartbeatEvent = nil
    end
    if pos then pos:Destroy() pos = nil end
    if gyro then gyro:Destroy() gyro = nil end
    
    local char = plr.Character
    if char then
        local humanoid = char:FindFirstChildOfClass("Humanoid")
        if humanoid then 
            humanoid.PlatformStand = false 
            -- 强制改变状态以防锁死在 Ragdoll
            humanoid:ChangeState(Enum.HumanoidStateType.GettingUp)
        end
        resetCharacterCollision(char)
    end
end

local function setNoclipState(state)
    clipEnabled = not state
    noclipBtn.Text = state and "Noclip: On" or "NoClip: Off"
    noclipBtn.BackgroundColor3 = state and Color3.fromRGB(50, 150, 50) or Color3.fromRGB(80, 80, 80)
    if not state and plr.Character then
        resetCharacterCollision(plr.Character)
    end
end

local function setFlyState(state)
    -- 如果是关闭操作，立即执行 stop并跳出
    if not state then
        flyBtn.Text = "Fly: Off"
        flyBtn.BackgroundColor3 = Color3.fromRGB(80, 80, 80)
        stopFly()
        return
    end

    noclipActive = true
    flyBtn.Text = "Fly: On"
    flyBtn.BackgroundColor3 = Color3.fromRGB(50, 150, 50)

    local char = plr.Character
    local root = char and char:FindFirstChild("HumanoidRootPart")
    local humanoid = char and char:FindFirstChildOfClass("Humanoid")
    if not root or not humanoid then return end

    pos = Instance.new("BodyPosition")
    gyro = Instance.new("BodyGyro")
    pos.Position = root.Position + Vector3.new(0, 3, 0)
    pos.MaxForce = Vector3.new(math.huge, math.huge, math.huge)
    pos.P, pos.D = 40000, 1700  
    gyro.MaxTorque = Vector3.new(math.huge, math.huge, math.huge)
    gyro.P, gyro.D = 40000, 1900
    pos.Parent = root
    gyro.Parent = root
    
    humanoid.PlatformStand = true
    
    humanoid.Died:Connect(function()
        setFlyState(false)
    end)

    heartbeatEvent = run.Heartbeat:Connect(function()
        -- 再次检查标记，确保不会在关闭后运行
        if not noclipActive then return end
        
        local moveDir = humanoid.MoveDirection
        local cf = cam.CFrame
        local travelVector = moveDir * (speed * 5)
        local dir = cf:VectorToObjectSpace(travelVector)
        
        if dir.Magnitude > 0 then
            local worldDir = cf:VectorToWorldSpace(Vector3.new(dir.X, 0, dir.Z).Unit * dir.Magnitude)
            pos.Position = pos.Position + worldDir
        end
        gyro.CFrame = cf
        
        if not clipEnabled then
            for _, o in ipairs(char:GetDescendants()) do
                if o:IsA("BasePart") then o.CanCollide = false end
            end
        else
            resetCharacterCollision(char)
        end
        humanoid.PlatformStand = true
    end)
end

-------------------------------------------------------
-- Input Bindings & Commands
-------------------------------------------------------

flyBtn.MouseButton1Click:Connect(function() 
    setFlyState(not noclipActive) 
end)

noclipBtn.MouseButton1Click:Connect(function() 
    setNoclipState(clipEnabled) 
end)

plr.Chatted:Connect(function(msg)
    local args = string.split(string.lower(msg), " ")
    local cmd = args[1]
    
    if cmd == ";fly" then
        if args[2] and tonumber(args[2]) then
            speed = tonumber(args[2])
            speedInput.Text = tostring(speed)
        end
        if not noclipActive then setFlyState(true) end
    elseif cmd == ";unfly" then
        if noclipActive then setFlyState(false) end
    elseif cmd == ";noclip" then
        setNoclipState(true)
    elseif cmd == ";clip" or cmd == ";unnoclip" then
        setNoclipState(false)
    end
end)

speedInput.FocusLost:Connect(function()
    local num = tonumber(speedInput.Text)
    if num then speed = num speedInput.Text = tostring(speed) end
end)

plr.CharacterRemoving:Connect(function() 
    stopFly() 
end)

-------------------------------------------------------
-- Final Credits Notification
-------------------------------------------------------
notify("CREDITS", "MADE BY UNNAMED (NPC_PlayersNoob)\n\nTHANKS FOR USING!")