コード例 #1
0
        public void BuyUgrade(IUpgrade itemToUpdate)
        {
            BigNumber updateCost = itemToUpdate.Price;

            if (CanPay(updateCost) == false)
            {
                throw new InvalidExpressionException("Player profile dont't have enouth money to pay! Can't make transaction.");
            }

            _moneySystem.SubstructMoney(updateCost);
            itemToUpdate.LvlUp();
        }