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);
}
bool CShop::MergeIntoStartingEquipment( const idStr &itemName, int quantity, bool isWeapon, bool isMeleeWeapon ) {
CShopItemPtr startingItem = FindStartingItemByID( itemName );
if( !startingItem ) {
return false; // item not found
}
int oldQuantity = startingItem->GetCount();
int newQuantity = oldQuantity + quantity;
// Weapons have ammo limits. Even though you might have
// adjusted that already in the incoming item,
// you have to check again when it's added to
// the existing amount already in the starting items.
if( isWeapon ) {
if( isMeleeWeapon ) {
// Don't stack anything for melee weapons, otherwise we end up with 2 shortswords
newQuantity = oldQuantity;
} else {
// Arrow-based weapons need ammo
int maxAmmo = GetMaxAmmo( itemName );
if( newQuantity > maxAmmo ) {
newQuantity = maxAmmo;
}
}
quantity = newQuantity - oldQuantity; // amount to give
} else if( !startingItem->GetStackable() ) {
quantity = 0; // don't adjust item's quantity
}
if( quantity > 0 ) {
startingItem->ChangeCount( quantity ); // add quantity to count
}
return true; // item found
}
void CShop::CopyPurchasedIntoStartingEquipment() {
for( int i = 0; i < _itemsPurchased.Num(); i++ ) {
CShopItemPtr item = FindStartingItemByID( _itemsPurchased[i]->GetID() );
if( item == NULL ) {
_startingItems.Append( _itemsPurchased[i] );
} else {
// Starting item exists, just change the count
item->ChangeCount( _itemsPurchased[i]->GetCount() );
}
}
}