local camera = workspace.CurrentCamera
local entitiesFolder = workspace.Entities
local runService = game:GetService("RunService")
local userInputService = game:GetService("UserInputService")

local espEnabled = false

local function esp(entity)
   local humanoid = entity:FindFirstChild("Humanoid")
   local humanoidRootPart = entity:FindFirstChild("HumanoidRootPart")

   if not humanoid or not humanoidRootPart then
       return
   end

   local textLabel = Drawing.new("Text")
   textLabel.Visible = false
   textLabel.Center = true
   textLabel.Outline = true
   textLabel.Font = 2
   textLabel.Color = Color3.fromRGB(0, 255, 0)
   textLabel.Size = 13

   local ancestryChangedConnection
   local healthChangedConnection
   local renderSteppedConnection

   local function disconnectConnections()
       textLabel.Visible = false
       textLabel:Remove()
       if ancestryChangedConnection then
           ancestryChangedConnection:Disconnect()
           ancestryChangedConnection = nil
       end
       if healthChangedConnection then
           healthChangedConnection:Disconnect()
           healthChangedConnection = nil
       end
       if renderSteppedConnection then
           renderSteppedConnection:Disconnect()
           renderSteppedConnection = nil
       end
   end

   ancestryChangedConnection = entity.AncestryChanged:Connect(function(_, parent)
       if not parent then
           disconnectConnections()
       end
   end)

   healthChangedConnection = humanoid.HealthChanged:Connect(function(health)
       if health <= 0 then
           disconnectConnections()
       end
   end)

   renderSteppedConnection = runService.RenderStepped:Connect(function()
       local hrpPosition, hrpOnScreen = camera:WorldToViewportPoint(humanoidRootPart.Position)
       if hrpOnScreen then
           textLabel.Position = Vector2.new(hrpPosition.X, hrpPosition.Y)
           textLabel.Text = entity.Name
           textLabel.Visible = espEnabled
       else
           textLabel.Visible = false
       end
   end)
end

local function entityAdded(entity)
   if entity:IsA("Model") and not entity:FindFirstChild("Health") then
       esp(entity)
   end
   entity.ChildAdded:Connect(function(child)
       if child:IsA("Model") and not child:FindFirstChild("Health") then
           esp(child)
       end
   end)
end

local function toggleESP()
   espEnabled = not espEnabled
   for _, entity in ipairs(entitiesFolder:GetChildren()) do
       if not entity:FindFirstChild("Health") then
           entityAdded(entity)
       end
   end
end

userInputService.InputBegan:Connect(function(input)
   if input.KeyCode == Enum.KeyCode.F then
       toggleESP()
   end
end)

for _, entity in ipairs(entitiesFolder:GetChildren()) do
   if not entity:FindFirstChild("Health") then
       entityAdded(entity)
   end
end

entitiesFolder.ChildAdded:Connect(entityAdded)