/// <summary>
/// Sells an item to a NPC shop.
/// </summary>
/// <param name="player">Player entity</param>
/// <param name="e"></param>
private void SellItem(IPlayerEntity player, NpcShopSellEventArgs e)
{
Item itemToSell = player.Inventory.GetItem(e.ItemUniqueId);
if (itemToSell?.Data == null)
{
throw new InvalidOperationException($"ShopSystem: Cannot find item with unique id: {e.ItemUniqueId}");
}
if (e.Quantity > itemToSell.Data.PackMax)
{
throw new InvalidOperationException($"ShopSystem: Cannot sell more items than the pack max value. {e.Quantity} > {itemToSell.Data.PackMax}");
}
// TODO: make more checks:
// is a quest item
// is sealed to character
// ect...
int sellPrice = itemToSell.Data.Cost / 4;
Logger.Debug("Selling item: '{0}' for {1}", itemToSell.Data.Name, sellPrice);
player.PlayerData.Gold += sellPrice * e.Quantity;
itemToSell.Quantity -= e.Quantity;
WorldPacketFactory.SendItemUpdate(player, UpdateItemType.UI_NUM, itemToSell.UniqueId, itemToSell.Quantity);
WorldPacketFactory.SendUpdateAttributes(player, DefineAttributes.GOLD, player.PlayerData.Gold);
if (itemToSell.Quantity <= 0)
{
itemToSell.Reset();
}
}
public static void OnSellItem(WorldClient client, INetPacketStream packet)
{
var sellItemPacket = new SellItemPacket(packet);
var npcShopEvent = new NpcShopSellEventArgs(sellItemPacket.ItemUniqueId, sellItemPacket.Quantity);
client.Player.NotifySystem <NpcShopSystem>(npcShopEvent);
}
