local Players = game:GetService("Players")
local RS = game:GetService("ReplicatedStorage")
local RunService = game:GetService("RunService")
local Remote = RS:FindFirstChild("DevAction") or Instance.new("RemoteEvent", RS)
Remote.Name = "DevAction"
local function SetupUI(player)
	local sg = Instance.new("ScreenGui", player:WaitForChild("PlayerGui"))
	sg.Name = "DevMenu"
	sg.ResetOnSpawn = false
	local frame = Instance.new("Frame", sg)
	frame.Size = UDim2.new(0, 150, 0, 100)
	frame.Position = UDim2.new(0, 10, 0.5, -50)
	frame.BackgroundColor3 = Color3.fromRGB(30, 30, 30)
	frame.Active = true
	frame.Draggable = true
	frame.Visible = false
	local function CreateBtn(name, pos, text)
		local b = Instance.new("TextButton", frame)
		b.Name = name
		b.Size = UDim2.new(1, -10, 0.4, 0)
		b.Position = pos
		b.Text = text
		b.BackgroundColor3 = Color3.fromRGB(50, 50, 50)
		b.TextColor3 = Color3.new(1, 1, 1)
		return b
	end
	local flyBtn = CreateBtn("Fly", UDim2.new(0, 5, 0.1, 0), "Fly: OFF")
	local noclipBtn = CreateBtn("Noclip", UDim2.new(0, 5, 0.5, 5), "Noclip: OFF")
	local ls = Instance.new("LocalScript", sg)
	ls.Source = [[
		local UIS = game:GetService("UserInputService")
		local frame = script.Parent:WaitForChild("Frame")
		local remote = game:GetService("ReplicatedStorage"):WaitForChild("DevAction")
		local states = {Fly = false, Noclip = false}
		UIS.InputBegan:Connect(function(io, p)
			if not p and io.KeyCode == Enum.KeyCode.F2 then frame.Visible = not frame.Visible end
		end)
		for _, b in pairs(frame:GetChildren()) do
			if b:IsA("TextButton") then
				b.MouseButton1Click:Connect(function()
					states[b.Name] = not states[b.Name]
					b.Text = b.Name .. ": " .. (states[b.Name] and "ON" or "OFF")
					remote:FireServer(b.Name, states[b.Name])
				end)
			end
		end
	]]
end
Remote.OnServerEvent:Connect(function(player, action, state)
	local char = player.Character
	if not char or not char:FindFirstChild("HumanoidRootPart") then return end
	local root = char.HumanoidRootPart
	if action == "Fly" then
		if state then
			local bv = Instance.new("BodyVelocity", root)
			bv.Name = "DevFly"
			bv.MaxForce = Vector3.new(1, 1, 1) * math.huge
			task.spawn(function()
				while root:FindFirstChild("DevFly") do
					bv.Velocity = char.Humanoid.MoveDirection * 50 + Vector3.new(0, 2, 0)
					task.wait()
				end
			end)
		elseif root:FindFirstChild("DevFly") then root.DevFly:Destroy() end
	elseif action == "Noclip" then
		local connection
		connection = RunService.Stepped:Connect(function()
			if not state or not char:Parent then connection:Disconnect() return end
			for _, v in pairs(char:GetDescendants()) do
				if v:IsA("BasePart") then v.CanCollide = false end
			end
		end)
	end
end)
for _, p in pairs(Players:GetPlayers()) do SetupUI(p) end
Players.PlayerAdded:Connect(SetupUI)