--// Made by _OpenSource_

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

local player = Players.LocalPlayer
local remote = ReplicatedStorage:WaitForChild("Remotes"):WaitForChild("Gunshot")

--------------------------------------------------
-- GUI
--------------------------------------------------
local gui = Instance.new("ScreenGui", game.CoreGui)
gui.Name = "OpenSourceHub"

local main = Instance.new("Frame", gui)
main.Size = UDim2.new(0, 260, 0, 230)
main.Position = UDim2.new(0.5, -130, 0.5, -115)
main.BackgroundColor3 = Color3.fromRGB(20,20,20)
main.Active = true
main.Draggable = true
Instance.new("UICorner", main).CornerRadius = UDim.new(0,12)

local title = Instance.new("TextLabel", main)
title.Size = UDim2.new(1,0,0,30)
title.BackgroundTransparency = 1
title.Text = "OpenSource Hub"
title.TextColor3 = Color3.fromRGB(255,255,255)
title.Font = Enum.Font.GothamBold
title.TextSize = 16

local function createButton(name, y)
	local b = Instance.new("TextButton", main)
	b.Size = UDim2.new(0.9,0,0,35)
	b.Position = UDim2.new(0.05,0,0,y)
	b.BackgroundColor3 = Color3.fromRGB(40,40,40)
	b.TextColor3 = Color3.fromRGB(255,255,255)
	b.Font = Enum.Font.GothamBold
	b.TextSize = 14
	b.Text = name.." : OFF"
	Instance.new("UICorner", b).CornerRadius = UDim.new(0,10)
	return b
end

local auraBtn = createButton("Kill Aura", 40)
local jumpBtn = createButton("Infinite Jump", 85)
local flyBtn  = createButton("Fly", 130)

local credit = Instance.new("TextLabel", main)
credit.Size = UDim2.new(1,0,0,20)
credit.Position = UDim2.new(0,0,1,-20)
credit.BackgroundTransparency = 1
credit.Text = "Made by _OpenSource_"
credit.TextColor3 = Color3.fromRGB(150,150,150)
credit.Font = Enum.Font.Gotham
credit.TextSize = 12

--------------------------------------------------
-- STATES
--------------------------------------------------
local killAura = false
local infJump = false
local flying = false

--------------------------------------------------
-- AUTO EQUIP GUN
--------------------------------------------------
local function getGun()
	local char = player.Character
	if not char then return nil end

	for _, v in pairs(char:GetChildren()) do
		if v:IsA("Tool") then return v end
	end

	local backpack = player:FindFirstChild("Backpack")
	if backpack then
		for _, v in pairs(backpack:GetChildren()) do
			if v:IsA("Tool") then
				v.Parent = char -- force equip
				return v
			end
		end
	end

	return nil
end

--------------------------------------------------
-- 💀 SMART KILL AURA (NO LAG)
--------------------------------------------------
local BURST_AMOUNT = 8
local BURST_REPEAT = 3
local BURST_DELAY = 0.03
local MAX_TARGETS = 5

task.spawn(function()
	while true do
		task.wait(0.1)

		if not killAura then continue end

		local char = player.Character
		if not char then continue end

		local gun = getGun()
		if not gun then continue end

		local zombiesFolder = workspace:FindFirstChild("AliveZombies")
		if not zombiesFolder then continue end

		local zombies = zombiesFolder:GetChildren()
		if #zombies == 0 then continue end

		for r = 1, BURST_REPEAT do
			for i = 1, BURST_AMOUNT do
				local count = 0

				for _, zombie in pairs(zombies) do
					if zombie:IsA("Model") then
						count += 1
						if count > MAX_TARGETS then break end

						remote:FireServer(
							gun,
							{zombie},
							true,
							zombie:GetPivot().Position
						)
					end
				end
			end
			task.wait(BURST_DELAY)
		end
	end
end)

--------------------------------------------------
-- 🦘 INFINITE JUMP
--------------------------------------------------
UIS.JumpRequest:Connect(function()
	if infJump then
		local hum = player.Character and player.Character:FindFirstChildOfClass("Humanoid")
		if hum then
			hum:ChangeState(Enum.HumanoidStateType.Jumping)
		end
	end
end)

--------------------------------------------------
-- 🕊️ SMOOTH FLY (INF YIELD STYLE)
--------------------------------------------------
local flyConn
local bv, bg

local function startFly()
	local char = player.Character
	if not char then return end

	local root = char:WaitForChild("HumanoidRootPart")

	bv = Instance.new("BodyVelocity")
	bv.MaxForce = Vector3.new(1e9,1e9,1e9)
	bv.Velocity = Vector3.zero
	bv.Parent = root

	bg = Instance.new("BodyGyro")
	bg.MaxTorque = Vector3.new(1e9,1e9,1e9)
	bg.CFrame = root.CFrame
	bg.Parent = root

	local speed = 60

	flyConn = RunService.RenderStepped:Connect(function()
		local cam = workspace.CurrentCamera
		local move = Vector3.zero

		if UIS:IsKeyDown(Enum.KeyCode.W) then move += cam.CFrame.LookVector end
		if UIS:IsKeyDown(Enum.KeyCode.S) then move -= cam.CFrame.LookVector end
		if UIS:IsKeyDown(Enum.KeyCode.A) then move -= cam.CFrame.RightVector end
		if UIS:IsKeyDown(Enum.KeyCode.D) then move += cam.CFrame.RightVector end
		if UIS:IsKeyDown(Enum.KeyCode.Space) then move += Vector3.new(0,1,0) end
		if UIS:IsKeyDown(Enum.KeyCode.LeftControl) then move -= Vector3.new(0,1,0) end

		if move.Magnitude > 0 then
			bv.Velocity = move.Unit * speed
		else
			bv.Velocity = Vector3.zero
		end

		bg.CFrame = cam.CFrame
	end)
end

local function stopFly()
	if flyConn then flyConn:Disconnect() end
	if bv then bv:Destroy() end
	if bg then bg:Destroy() end
end

--------------------------------------------------
-- BUTTONS
--------------------------------------------------
auraBtn.MouseButton1Click:Connect(function()
	killAura = not killAura
	auraBtn.Text = "Kill Aura : "..(killAura and "ON" or "OFF")
end)

jumpBtn.MouseButton1Click:Connect(function()
	infJump = not infJump
	jumpBtn.Text = "Infinite Jump : "..(infJump and "ON" or "OFF")
end)

flyBtn.MouseButton1Click:Connect(function()
	flying = not flying
	flyBtn.Text = "Fly : "..(flying and "ON" or "OFF")

	if flying then
		startFly()
	else
		stopFly()
	end
end)