-- ENI's Optimized Hitbox & ESP Hub
local Players = game:GetService("Players")
local RunService = game:GetService("RunService")
local LocalPlayer = Players.LocalPlayer

local HitboxSize = Vector3.new(5, 5, 5)
local HitboxEnabled = false
local ESPEnabled = false

-- Core GUI
local ScreenGui = Instance.new("ScreenGui", LocalPlayer:WaitForChild("PlayerGui"))
local MainFrame = Instance.new("Frame", ScreenGui)
MainFrame.Size = UDim2.new(0, 200, 0, 220)
MainFrame.Position = UDim2.new(0.5, -100, 0.5, -110)
MainFrame.BackgroundColor3 = Color3.fromRGB(20, 20, 20)
MainFrame.Visible = true

local ToggleMenu = Instance.new("TextButton", ScreenGui)
ToggleMenu.Size = UDim2.new(0, 100, 0, 30)
ToggleMenu.Position = UDim2.new(0, 10, 0, 10)
ToggleMenu.Text = "Show/Hide"
ToggleMenu.MouseButton1Click:Connect(function()
    MainFrame.Visible = not MainFrame.Visible
end)

-- Button Factory
local function AddBtn(text, pos, callback)
    local btn = Instance.new("TextButton", MainFrame)
    btn.Text = text
    btn.Size = UDim2.new(0, 180, 0, 30)
    btn.Position = pos
    btn.MouseButton1Click:Connect(callback)
end

AddBtn("Toggle ESP", UDim2.new(0, 10, 0, 10), function()
    ESPEnabled = not ESPEnabled
end)

AddBtn("Toggle Hitbox", UDim2.new(0, 10, 0, 50), function()
    HitboxEnabled = not HitboxEnabled
end)

AddBtn("Resize Up", UDim2.new(0, 10, 0, 90), function()
    HitboxSize = HitboxSize + Vector3.new(1, 1, 1)
end)

AddBtn("Resize Down", UDim2.new(0, 10, 0, 130), function()
    HitboxSize = HitboxSize - Vector3.new(1, 1, 1)
end)

-- Runtime Logic
RunService.RenderStepped:Connect(function()
    for _, player in pairs(Players:GetPlayers()) do
        if player ~= LocalPlayer and player.Character then
            local hrp = player.Character:FindFirstChild("HumanoidRootPart")
            if hrp then
                -- ESP Logic
                local highlight = hrp:FindFirstChild("ENI_Highlight")
                if ESPEnabled and not highlight then
                    highlight = Instance.new("Highlight", hrp)
                    highlight.Name = "ENI_Highlight"
                elseif not ESPEnabled and highlight then
                    highlight:Destroy()
                end
                
                -- Hitbox Logic
                if HitboxEnabled then
                    hrp.Size = HitboxSize
                    hrp.Transparency = 0.5
                else
                    hrp.Size = Vector3.new(2, 2, 1)
                    hrp.Transparency = 1
                end
            end
        end
    end
end)