void CShop::BuyItem(int index)
{
CShopItemPtr forSaleItem = _itemsForSale[_forSaleTop + index];
CShopItemPtr boughtItem = FindPurchasedByID(forSaleItem->GetID());
forSaleItem->ChangeCount(-1);
ChangeGold(-(forSaleItem->GetCost()));
// if the weapon class wasn't in the purchased item list, add it
if (boughtItem == NULL)
{
boughtItem = CShopItemPtr(new CShopItem(
*forSaleItem, 0, forSaleItem->GetCost(), forSaleItem->GetPersistent())
);
_itemsPurchased.Append(boughtItem);
// scroll so new item is visible in purchased list
if (_itemsPurchased.Num() > _purchasedTop + LIST_SIZE_PURCHASED)
{
_purchasedTop = _itemsPurchased.Num() - LIST_SIZE_PURCHASED;
}
}
boughtItem->ChangeCount(1);
}
void CShop::SellItem(int index)
{
CShopItemPtr boughtItem = _itemsPurchased[_purchasedTop + index];
CShopItemPtr forSaleItem = FindForSaleByID(boughtItem->GetID());
boughtItem->ChangeCount(-1);
// If last in the purchased items list, remove it from the list
if (boughtItem->GetCount() == 0)
{
_itemsPurchased.RemoveIndex(_purchasedTop + index);
// scroll so appropriate items visible
if ((_purchasedTop >= _itemsPurchased.Num()) || (_purchasedTop % LIST_SIZE_PURCHASED != 0)) {
_purchasedTop = _itemsPurchased.Num() - LIST_SIZE_PURCHASED;
if (_purchasedTop < 0) _purchasedTop = 0;
}
}
ChangeGold(boughtItem->GetCost());
// If the weapon class wasn't in the for sale list (it should be), add it
if (forSaleItem == NULL)
{
forSaleItem = CShopItemPtr(new CShopItem(*boughtItem, 0, boughtItem->GetCost(), boughtItem->GetPersistent()));
_itemsForSale.Append(forSaleItem);
}
forSaleItem->ChangeCount(1);
}