Exploiters can easily manipulate local scripts to give themselves free items. To prevent this, the actual deduction of cash and awarding of the gun happen on the server.
local ReplicatedStorage = game:GetService("ReplicatedStorage") local BuyWeaponEvent = ReplicatedStorage:WaitForChild("BuyWeapon") local WeaponCatalog = require(ReplicatedStorage.ShopItemData:WaitForChild("WeaponCatalog")) -- Example: Attaching the buy event to a specific button local shopFrame = script.Parent:WaitForChild("Frame") local buyButton = shopFrame:WaitForChild("BuyButton") local selectedWeapon = "Pistol" -- Dynamically change this when players select guns buyButton.MouseButton1Click:Connect(function() -- Request the server to handle the purchase BuyWeaponEvent:FireServer(selectedWeapon) end) Use code with caution. Copied to clipboard 🛡️ Step 5: The Secure Server Script Roblox - Advanced Gun Store System (FREE)
To make your system easily expandable without duplicating UI code, you will use a ModuleScript . Create a inside ReplicatedStorage > ShopItemData and name it WeaponCatalog . Exploiters can easily manipulate local scripts to give
Create a regular in ServerScriptService and name it ShopServer . Copied to clipboard 🛡️ Step 5: The Secure
local WeaponCatalog = ["Pistol"] = Price = 500, Description = "Reliable sidearm with moderate damage.", Image = "rbxassetid://6015111005" -- Replace with your own asset ID , ["Rifle"] = Price = 2500, Description = "Automatic rifle designed for medium range.", Image = "rbxassetid://6015111005" return WeaponCatalog Use code with caution. Copied to clipboard 🖱️ Step 4: The Client UI Script
: Exploiter-proof transactions handled exclusively through server sanity checks.
game.Players.PlayerAdded:Connect(function(player) local leaderstats = Instance.new("Folder") leaderstats.Name = "leaderstats" leaderstats.Parent = player local cash = Instance.new("IntValue") cash.Name = "Cash" cash.Value = 5000 -- Starting cash for testing cash.Parent = leaderstats end) Use code with caution. Copied to clipboard 📄 Step 3: Weapon Data Module