Rebirth System

-- Paste as a Script inside a rebirth button.

local Players = game:GetService("Players")

local BASE_COST = 1000
local GROWTH = 2

local button = script.Parent
if not button or not button:IsA("BasePart") then
	return
end

local function getCash(player: Player): IntValue?
	local leaderstats = player:FindFirstChild("leaderstats")
	local cash = leaderstats and leaderstats:FindFirstChild("Cash")
	if cash and cash:IsA("IntValue") then
		return cash
	end
	return nil
end

button.Touched:Connect(function(hit)
	local player = Players:GetPlayerFromCharacter(hit.Parent)
	local cash = player and getCash(player)
	if not player or not cash then
		return
	end

	local rebirths = player:GetAttribute("Rebirths") or 0
	local cost = math.floor(BASE_COST * (GROWTH ^ rebirths))
	if cash.Value < cost then
		return
	end

	cash.Value = 0
	player:SetAttribute("UpgradeLevel", 0)
	player:SetAttribute("Rebirths", rebirths + 1)
end)