local Workspace = game:GetService("Workspace")

local Players = game:GetService("Players")

local LocalPlayer = Players.LocalPlayer

local COLOR_OPEN = Color3.fromRGB(0, 170, 0)

local COLOR_CLOSED = Color3.fromRGB(170, 0, 0)

local portasProcessadas = {}

local function getDoorState(door)

    if door:FindFirstChild("DoorTrigger") and door.DoorTrigger:FindFirstChild("ActionSign") then

        local v = door.DoorTrigger.ActionSign.Value

        if v == 11 then return true

        elseif v == 10 then return false

        end

    end

    return nil

end

local function aplicarHighlight(porta)

    if not porta then return end

    local h = porta:FindFirstChild("ESP_HIGHLIGHT")

    if not h then

        h = Instance.new("Highlight")

        h.Name = "ESP_HIGHLIGHT"

        h.FillTransparency = 0.6

        h.OutlineTransparency = 0

        h.OutlineColor = Color3.new(0, 0, 0)

        h.Parent = porta

    end

    local state = getDoorState(porta)

    if state == true then

        h.FillColor = COLOR_OPEN

    elseif state == false then

        h.FillColor = COLOR_CLOSED

    end

end

local function processarPorta(porta)

    if portasProcessadas[porta] then return end

    portasProcessadas[porta] = true

    task.spawn(function()

        while porta.Parent do

            aplicarHighlight(porta)

            task.wait(0.1)

        end

        portasProcessadas[porta] = nil

    end)

end

local function ehSingledoor(obj)

    return obj:IsA("Model") and obj.Name:lower():find("singledoor")

end

for _, obj in ipairs(Workspace:GetDescendants()) do

    if ehSingledoor(obj) then

        processarPorta(obj)

    end

end

Workspace.DescendantAdded:Connect(function(obj)

    if ehSingledoor(obj) then

        task.wait(0.1)

        processarPorta(obj)

    end

end)

Players.LocalPlayer.CharacterAdded:Connect(function()

    task.wait(0.5)

    for porta in pairs(portasProcessadas) do

        if porta and porta.Parent then

            aplicarHighlight(porta)

        end

    end

end)