local Players = game:GetService("Players")
local UIS = game:GetService("UserInputService")
local TweenService = game:GetService("TweenService")
local RunService = game:GetService("RunService")
local Debris = game:GetService("Debris")

local player = Players.LocalPlayer

------------------------------------------------
-- CHARACTER
------------------------------------------------
local character = player.Character or player.CharacterAdded:Wait()
local root = character:WaitForChild("HumanoidRootPart")

player.CharacterAdded:Connect(function(char)
	character = char
	root = char:WaitForChild("HumanoidRootPart")
end)

------------------------------------------------
-- SETTINGS
------------------------------------------------
local ENABLED = true
local RANGE = 5
local COOLDOWN = 0.8

local lastHit = {}

------------------------------------------------
-- GUI
------------------------------------------------
local gui = Instance.new("ScreenGui")
gui.Name = "AntiBatShield"
gui.ResetOnSpawn = false
gui.Parent = player:WaitForChild("PlayerGui")

local frame = Instance.new("Frame")
frame.Size = UDim2.new(0, 300, 0, 140)
frame.Position = UDim2.new(0.5, -150, 0.5, -70)
frame.BackgroundColor3 = Color3.fromRGB(20, 20, 20)
frame.BackgroundTransparency = 0.2
frame.Parent = gui
Instance.new("UICorner", frame).CornerRadius = UDim.new(0, 10)

local title = Instance.new("TextLabel")
title.Size = UDim2.new(1, 0, 0, 40)
title.BackgroundTransparency = 1
title.Text = "ANTI BAT SHIELD"
title.Font = Enum.Font.GothamBold
title.TextSize = 18
title.TextColor3 = Color3.fromRGB(255, 255, 255)
title.Parent = frame

local toggle = Instance.new("TextButton")
toggle.Size = UDim2.new(0.8, 0, 0, 40)
toggle.Position = UDim2.new(0.1, 0, 0.5, 0)
toggle.Text = "Enabled"
toggle.Font = Enum.Font.GothamBold
toggle.TextSize = 16
toggle.BackgroundColor3 = Color3.fromRGB(0, 170, 255)
toggle.TextColor3 = Color3.new(1,1,1)
toggle.Parent = frame
Instance.new("UICorner", toggle).CornerRadius = UDim.new(0, 8)

toggle.MouseButton1Click:Connect(function()
	ENABLED = not ENABLED
	toggle.Text = ENABLED and "Enabled" or "Disabled"
	toggle.BackgroundColor3 = ENABLED and Color3.fromRGB(0,170,255) or Color3.fromRGB(80,80,80)
end)

------------------------------------------------
-- KNOCKBACK FUNCTION
------------------------------------------------
local function knockback(enemyRoot)
	local dir = (enemyRoot.Position - root.Position).Unit

	local bv = Instance.new("BodyVelocity")
	bv.MaxForce = Vector3.new(1e8, 1e8, 1e8)
	bv.Velocity = (dir * 90) + Vector3.new(0, 55, 0)
	bv.Parent = enemyRoot

	Debris:AddItem(bv, 0.2)
end

------------------------------------------------
-- ANTI BAT SYSTEM
------------------------------------------------
RunService.RenderStepped:Connect(function()
	if not ENABLED then return end
	if not root then return end

	for _, plr in ipairs(Players:GetPlayers()) do
		if plr ~= player and plr.Character and plr.Character:FindFirstChild("HumanoidRootPart") then

			local enemyRoot = plr.Character.HumanoidRootPart
			local dist = (enemyRoot.Position - root.Position).Magnitude

			if dist <= RANGE then
				if not lastHit[plr] or tick() - lastHit[plr] > COOLDOWN then
					lastHit[plr] = tick()
					knockback(enemyRoot)
				end
			end
		end
	end
end)