-- [[ Rscripts Risk Notice ]]
-- This script is not verified by rscripts.net. Deal with caution.
--
-- Stay safe:
--   • Never log in on unofficial Roblox sites or lookalike domains.
--   • Real Roblox links use roblox.com (check the .com ending).
--   • Treat fake Roblox login / "claim reward" pages as phishing.
-- [[ End Rscripts Risk Notice ]]

local Workspace = game:GetService("Workspace")

local HITBOX_SIZE = Vector3.new(30, 30, 30)
local HITBOX_NAME = "Hitbox expender by epiclnfantry"

local tracked = {}

local function setupNPC(npc)
    if not npc:IsA("Model") or tracked[npc] then
        return
    end

    local head = npc:FindFirstChild("Head")
    if not head or not head:IsA("BasePart") then
        return
    end

    tracked[npc] = true

    local hitbox = npc:FindFirstChild(HITBOX_NAME)

    if not hitbox or not hitbox:IsA("BasePart") then
        hitbox = Instance.new("Part")
        hitbox.Name = HITBOX_NAME
        hitbox.Size = HITBOX_SIZE
        hitbox.Transparency = 1
        hitbox.CanCollide = false
        hitbox.CanTouch = false
        hitbox.CanQuery = true
        hitbox.Massless = true
        hitbox.Anchored = false
        hitbox.CFrame = head.CFrame
        hitbox.Parent = npc

        local weld = Instance.new("WeldConstraint")
        weld.Name = "HeadHitboxWeld"
        weld.Part0 = head
        weld.Part1 = hitbox
        weld.Parent = hitbox
    end

    npc.AncestryChanged:Connect(function(_, parent)
        if not parent then
            tracked[npc] = nil
        end
    end)
end

local function inspect(obj)
    if obj:IsA("Model") then
        setupNPC(obj)
    end
end

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

Workspace.DescendantAdded:Connect(function(obj)
    if obj:IsA("Model") then
        task.defer(setupNPC, obj)
    elseif obj.Name == "Head" and obj:IsA("BasePart") then
        local npc = obj:FindFirstAncestorOfClass("Model")
        if npc then
            tracked[npc] = nil
            setupNPC(npc)
        end
    end
end)