private Item TryGetBuyBackItem(Character chr, int slot)
{
if (!CheckVendorInteraction(chr))
{
return(null);
}
var curChar = chr.Client.ActiveCharacter;
// Invalid slot number
if (curChar.Inventory.BuyBack.IsValidSlot(slot))
{
NPCHandler.SendBuyError(chr.Client, NPC, 0, BuyItemError.CantFindItem);
return(null);
}
var item = curChar.Inventory.BuyBack[slot];
// non-existent item
if (item == null)
{
NPCHandler.SendBuyError(chr.Client, NPC, 0, BuyItemError.CantFindItem);
return(null);
}
// Not enough cash-money
if ((item.Amount * item.Template.SellPrice) > curChar.Money)
{
NPCHandler.SendBuyError(chr.Client, NPC, (ItemId)item.EntryId, BuyItemError.NotEnoughMoney);
return(null);
}
return(item);
}
public void BuyBackItem(Character chr, Item item)
{
var inv = chr.Inventory;
var newSlotId = inv.FindFreeSlot(item, item.Amount, false);
var err = newSlotId.Container.CheckAdd(newSlotId.Slot, item, item.Amount);
if (err == InventoryError.OK)
{
var amount = item.Amount;
inv.CheckUniqueness(item, ref amount, ref err, true);
if (err == InventoryError.OK && amount != item.Amount)
{
err = InventoryError.CANT_CARRY_MORE_OF_THIS;
}
else
{
if (newSlotId.Slot != BaseInventory.INVALID_SLOT)
{
var price = ((uint)item.Amount * item.Template.SellPrice);
if (chr.Money < price)
{
NPCHandler.SendBuyError(chr.Client, NPC, (ItemId)item.EntryId, BuyItemError.NotEnoughMoney);
return;
}
else
{
item.Remove(false);
newSlotId.Container.AddUnchecked(newSlotId.Slot, item, true);
chr.Money -= price;
NPCHandler.SendBuyItem(chr.Client, NPC, item.Template.ItemId, amount);
return;
}
}
else
{
err = InventoryError.INVENTORY_FULL;
}
}
}
ItemHandler.SendInventoryError(chr.Client, err);
}
public void BuyItem(Character chr, uint itemEntryId, BaseInventory bag, int amount, int slot)
{
if (!CheckVendorInteraction(chr))
{
return;
}
var item = GetVendorItem(itemEntryId);
if (item == null)
{
return;
}
amount = Math.Max(amount, 1);
if (item.BuyStackSize > 0)
{
amount = amount * item.BuyStackSize;
}
uint price;
var buyErr = CanPlayerBuyItem(chr, item, amount, out price);
if (buyErr != BuyItemError.Ok)
{
NPCHandler.SendBuyError(chr, NPC, item.Template.ItemId, buyErr);
return;
}
BaseInventory inv = chr.Inventory;
InventoryError err;
if (inv.IsValidSlot(slot))
{
err = inv.TryAdd(item.Template, ref amount, slot);
}
else
{
// count will be set to the actual amount of items that found space in the inventory
// if not all could be added, err contains the reason why
err = inv.TryAdd(item.Template, ref amount);
}
if (err != InventoryError.OK)
{
ItemHandler.SendInventoryError(chr.Client, null, null, err);
}
if (amount <= 0)
{
// Nothing was purchased
// Should usually never happen, but just to make sure
ItemHandler.SendInventoryError(chr.Client, null, null, InventoryError.INVENTORY_FULL);
return;
}
chr.Money -= (price * (uint)amount); // we already checked that our money is sufficient
if (item.ExtendedCostEntry != null)
{
var exCost = item.ExtendedCostEntry;
chr.HonorPoints -= exCost.HonorCost;
chr.ArenaPoints -= exCost.ArenaPointCost;
foreach (var reqItem in exCost.RequiredItems)
{
if (reqItem.Id == ItemId.None)
{
break;
}
if (!chr.Inventory.RemoveByItemId(reqItem.Id, reqItem.Cost, false))
{
// should not happen
LogManager.GetCurrentClassLogger().Warn("Unable to remove required item \"{0}\" from player \"{1}\" when purchasing item: {2}",
reqItem.Template, chr, item.Template);
}
}
}
// manage stock
int remainingAmount;
if (item.RemainingStockAmount != UnlimitedSupply)
{
// The vendor had a limited supply of this item, update the chr.Client with the new inventory
remainingAmount = item.RemainingStockAmount - amount;
//NPCHandler.SendVendorInventoryList(chr.Client, NPC.EntityId, ConstructVendorItemList(chr));
}
else
{
remainingAmount = UnlimitedSupply;
}
// send packet
NPCHandler.SendBuyItem(chr.Client, NPC, item.Template.ItemId, amount, remainingAmount);
}