--====================================================
-- frkxzbot | Full Working Script with Key, ESP, Aim, Flight
--====================================================

--====================
-- SERVICES
--====================
local Players = game:GetService("Players")
local RunService = game:GetService("RunService")
local UserInputService = game:GetService("UserInputService")
local LP = Players.LocalPlayer
local Camera = workspace.CurrentCamera

--====================
-- KEY SYSTEM
--====================
local REQUIRED_KEY = "101science"
local KeyVerified = false

local keyGui = Instance.new("ScreenGui", LP.PlayerGui)
keyGui.Name = "frkxzbot_Key"
keyGui.ResetOnSpawn = false

local keyFrame = Instance.new("Frame", keyGui)
keyFrame.Size = UDim2.fromOffset(300, 160)
keyFrame.Position = UDim2.fromScale(0.5, 0.5)
keyFrame.AnchorPoint = Vector2.new(0.5,0.5)
keyFrame.BackgroundColor3 = Color3.fromRGB(20,20,20)
keyFrame.BorderSizePixel = 0
Instance.new("UICorner", keyFrame).CornerRadius = UDim.new(0,8)

local keyTitle = Instance.new("TextLabel", keyFrame)
keyTitle.Size = UDim2.new(1,0,0,35)
keyTitle.BackgroundTransparency = 1
keyTitle.Text = "frkxzbot – Key System"
keyTitle.Font = Enum.Font.GothamBold
keyTitle.TextSize = 14
keyTitle.TextColor3 = Color3.new(1,1,1)

local keyBox = Instance.new("TextBox", keyFrame)
keyBox.Size = UDim2.new(1,-40,0,30)
keyBox.Position = UDim2.fromOffset(20,55)
keyBox.PlaceholderText = "Enter key..."
keyBox.Text = ""
keyBox.Font = Enum.Font.Gotham
keyBox.TextSize = 13
keyBox.TextColor3 = Color3.new(1,1,1)
keyBox.BackgroundColor3 = Color3.fromRGB(35,35,35)
keyBox.ClearTextOnFocus = false
Instance.new("UICorner", keyBox).CornerRadius = UDim.new(0,6)

local submitBtn = Instance.new("TextButton", keyFrame)
submitBtn.Size = UDim2.new(1,-40,0,30)
submitBtn.Position = UDim2.fromOffset(20,95)
submitBtn.Text = "Unlock"
submitBtn.Font = Enum.Font.Gotham
submitBtn.TextSize = 13
submitBtn.TextColor3 = Color3.new(1,1,1)
submitBtn.BackgroundColor3 = Color3.fromRGB(45,45,45)
Instance.new("UICorner", submitBtn).CornerRadius = UDim.new(0,6)

local statusLbl = Instance.new("TextLabel", keyFrame)
statusLbl.Size = UDim2.new(1,0,0,20)
statusLbl.Position = UDim2.fromOffset(0,130)
statusLbl.BackgroundTransparency = 1
statusLbl.Text = ""
statusLbl.Font = Enum.Font.Gotham
statusLbl.TextSize = 12
statusLbl.TextColor3 = Color3.fromRGB(255,80,80)

submitBtn.MouseButton1Click:Connect(function()
	if keyBox.Text == REQUIRED_KEY then
		KeyVerified = true
		keyGui:Destroy()
	else
		statusLbl.Text = "Invalid key"
	end
end)

repeat task.wait() until KeyVerified

--====================
-- SETTINGS
--====================
local MenuOpen = true
local ESPEnabled = false
local AimEnabled = false
local VisibilityCheck = true
local FlyEnabled = false

local FlySpeed = 60
local AimFOV = 120
local AimSmoothness = 0.15

--====================
-- MAIN UI
--====================
local gui = Instance.new("ScreenGui", LP.PlayerGui)
gui.Name = "frkxzbot_Rivals"
gui.ResetOnSpawn = false

local frame = Instance.new("Frame", gui)
frame.Size = UDim2.fromOffset(260, 210)
frame.Position = UDim2.fromScale(0.05, 0.35)
frame.BackgroundColor3 = Color3.fromRGB(20,20,20)
frame.BorderSizePixel = 0
frame.Active = true
frame.Draggable = true
Instance.new("UICorner", frame).CornerRadius = UDim.new(0,8)

local title = Instance.new("TextLabel", frame)
title.Size = UDim2.new(1,0,0,30)
title.BackgroundTransparency = 1
title.Text = "frkxzbot – Rivals"
title.TextColor3 = Color3.new(1,1,1)
title.Font = Enum.Font.GothamBold
title.TextSize = 14

local function makeButton(text, y)
	local b = Instance.new("TextButton", frame)
	b.Size = UDim2.new(1,-20,0,30)
	b.Position = UDim2.fromOffset(10,y)
	b.BackgroundColor3 = Color3.fromRGB(35,35,35)
	b.TextColor3 = Color3.new(1,1,1)
	b.Font = Enum.Font.Gotham
	b.TextSize = 13
	b.Text = text
	Instance.new("UICorner", b).CornerRadius = UDim.new(0,6)
	return b
end

local espBtn = makeButton("ESP: OFF", 40)
local aimBtn = makeButton("Aim Assist: OFF", 80)
local visBtn = makeButton("Visibility Check: ON", 120)
local flyBtn = makeButton("Flight: OFF", 160)

UserInputService.InputBegan:Connect(function(i,g)
	if g then return end
	if i.KeyCode == Enum.KeyCode.RightAlt then
		MenuOpen = not MenuOpen
		frame.Visible = MenuOpen
	end
end)

local circle = Drawing.new("Circle")
circle.Thickness = 2
circle.Transparency = 0.7
circle.Radius = AimFOV
circle.Color = Color3.fromRGB(255,255,255)
circle.Visible = false
circle.Filled = false

--====================
-- VISIBILITY CHECK
--====================
local function hasLineOfSight(part)
	if not part then return false end
	local origin = Camera.CFrame.Position
	local dir = part.Position - origin
	local params = RaycastParams.new()
	params.FilterType = Enum.RaycastFilterType.Blacklist
	params.FilterDescendantsInstances = {LP.Character, part.Parent}
	params.IgnoreWater = true
	local result = workspace:Raycast(origin, dir, params)
	return result == nil
end

--====================
-- ESP
--====================
local ESPHighlights = {}

local function createESP(player)
	if ESPHighlights[player] then return end
	if not player.Character then return end

	local highlight = Instance.new("Highlight")
	highlight.Name = "frkxzbotESP"
	highlight.FillColor = Color3.fromRGB(200,200,255)
	highlight.FillTransparency = 0.6
	highlight.OutlineColor = Color3.fromRGB(255,0,0)
	highlight.OutlineTransparency = 0.5
	highlight.Adornee = player.Character
	highlight.Parent = player

	local head = player.Character:FindFirstChild("Head")
	if head then
		local bill = Instance.new("BillboardGui", head)
		bill.Name = "frkxzbotName"
		bill.Adornee = head
		bill.Size = UDim2.new(0,100,0,40)
		bill.StudsOffset = Vector3.new(0,2,0)
		bill.AlwaysOnTop = true

		local txt = Instance.new("TextLabel", bill)
		txt.Size = UDim2.new(1,0,1,0)
		txt.BackgroundTransparency = 1
		txt.Text = player.Name
		txt.TextColor3 = Color3.fromRGB(255,255,255)
		txt.TextStrokeTransparency = 0
		txt.TextScaled = true
		txt.Font = Enum.Font.GothamBold
	end

	ESPHighlights[player] = highlight
end

local function clearESP()
	for _,h in pairs(ESPHighlights) do
		if h and h.Parent then h:Destroy() end
	end
	ESPHighlights = {}
end

--====================
-- AIM ASSIST
--====================
local function getClosestTarget()
	local closest, dist = nil, AimFOV
	local mousePos = UserInputService:GetMouseLocation()

	for _,p in pairs(Players:GetPlayers()) do
		if p ~= LP and p.Character and p.Character:FindFirstChild("Head") then
			local head = p.Character.Head
			if ((not VisibilityCheck) or hasLineOfSight(head)) then
				local pos, onscreen = Camera:WorldToViewportPoint(head.Position)
				if onscreen then
					local mDist = (Vector2.new(pos.X,pos.Y) - mousePos).Magnitude
					if mDist < dist then
						dist = mDist
						closest = head
					end
				end
			end
		end
	end
	return closest
end

--====================
-- FLIGHT
--====================
local FlyBV, FlyBG

--====================
-- MAIN LOOP
--====================
RunService.RenderStepped:Connect(function()
	circle.Position = UserInputService:GetMouseLocation()

	if ESPEnabled then
		for _,p in pairs(Players:GetPlayers()) do
			if p.Character and not ESPHighlights[p] then
				createESP(p)
			end
		end
	else
		clearESP()
	end

	if AimEnabled then
		local target = getClosestTarget()
		if target then
			local cf = CFrame.new(Camera.CFrame.Position, target.Position)
			Camera.CFrame = Camera.CFrame:Lerp(cf, AimSmoothness)
		end
	end

	if FlyEnabled then
		local char = LP.Character
		local hrp = char and char:FindFirstChild("HumanoidRootPart")
		if hrp then
			if not FlyBV then
				FlyBV = Instance.new("BodyVelocity", hrp)
				FlyBV.MaxForce = Vector3.new(1e5,1e5,1e5)
				FlyBG = Instance.new("BodyGyro", hrp)
				FlyBG.MaxTorque = Vector3.new(1e5,1e5,1e5)
				FlyBG.P = 9e4
			end

			local moveDir = Vector3.zero
			if UserInputService:IsKeyDown(Enum.KeyCode.W) then moveDir += Camera.CFrame.LookVector end
			if UserInputService:IsKeyDown(Enum.KeyCode.S) then moveDir -= Camera.CFrame.LookVector end
			if UserInputService:IsKeyDown(Enum.KeyCode.A) then moveDir -= Camera.CFrame.RightVector end
			if UserInputService:IsKeyDown(Enum.KeyCode.D) then moveDir += Camera.CFrame.RightVector end
			if UserInputService:IsKeyDown(Enum.KeyCode.Space) then moveDir += Vector3.new(0,1,0) end
			if UserInputService:IsKeyDown(Enum.KeyCode.LeftControl) then moveDir -= Vector3.new(0,1,0) end

			FlyBV.Velocity = moveDir.Magnitude > 0 and moveDir.Unit * FlySpeed or Vector3.zero
			FlyBG.CFrame = Camera.CFrame
		end
	else
		if FlyBV then FlyBV:Destroy(); FlyBV = nil end
		if FlyBG then FlyBG:Destroy(); FlyBG = nil end
	end
end)

--====================
-- BUTTON LOGIC
--====================
espBtn.MouseButton1Click:Connect(function()
	ESPEnabled = not ESPEnabled
	espBtn.Text = "ESP: "..(ESPEnabled and "ON" or "OFF")
end)

aimBtn.MouseButton1Click:Connect(function()
	AimEnabled = not AimEnabled
	circle.Visible = AimEnabled
	aimBtn.Text = "Aim Assist: "..(AimEnabled and "ON" or "OFF")
end)

visBtn.MouseButton1Click:Connect(function()
	VisibilityCheck = not VisibilityCheck
	visBtn.Text = "Visibility Check: "..(VisibilityCheck and "ON" or "OFF")
end)

flyBtn.MouseButton1Click:Connect(function()
	FlyEnabled = not FlyEnabled
	flyBtn.Text = "Flight: "..(FlyEnabled and "ON" or "OFF")
end)