public static void HandleVendorPurchase(WorldSession session, ClientVendorPurchase vendorPurchase)
{
VendorInfo vendorInfo = session.Player.SelectedVendorInfo;
if (vendorInfo == null)
{
return;
}
EntityVendorItemModel vendorItem = vendorInfo.GetItemAtIndex(vendorPurchase.VendorIndex);
if (vendorItem == null)
{
return;
}
Item2Entry itemEntry = GameTableManager.Instance.Item.GetEntry(vendorItem.ItemId);
float costMultiplier = vendorInfo.BuyPriceMultiplier * vendorPurchase.VendorItemQty;
// do all sanity checks before modifying currency
var currencyChanges = new List <(CurrencyType CurrencyTypeId, ulong CurrencyAmount)>();
for (int i = 0; i < itemEntry.CurrencyTypeId.Length; i++)
{
CurrencyType currencyId = (CurrencyType)itemEntry.CurrencyTypeId[i];
if (currencyId == CurrencyType.None)
{
continue;
}
ulong currencyAmount = (ulong)(itemEntry.CurrencyAmount[i] * costMultiplier);
if (!session.Player.CurrencyManager.CanAfford(currencyId, currencyAmount))
{
return;
}
currencyChanges.Add((currencyId, currencyAmount));
}
foreach ((CurrencyType currencyTypeId, ulong currencyAmount) in currencyChanges)
{
session.Player.CurrencyManager.CurrencySubtractAmount(currencyTypeId, currencyAmount);
}
session.Player.Inventory.ItemCreate(InventoryLocation.Inventory, itemEntry.Id, vendorPurchase.VendorItemQty * itemEntry.BuyFromVendorStackCount);
}
