public void Buy(PlayerObject player, ulong index, ushort count) { UserItem goods = null; for (int i = 0; i < Goods.Count; i++) { if (Goods[i].UniqueID != index) continue; goods = Goods[i]; break; } bool isUsed = false; bool isBuyBack = false; var callingNPC = NPCObject.Get(player.NPCObjectID); if (callingNPC != null) { if (goods == null) { for (int i = 0; i < callingNPC.UsedGoods.Count; i++) { if (callingNPC.UsedGoods[i].UniqueID != index) continue; goods = callingNPC.UsedGoods[i]; isUsed = true; break; } } if (goods == null) { if (!callingNPC.BuyBack.ContainsKey(player.Name)) callingNPC.BuyBack[player.Name] = new List<UserItem>(); for (int i = 0; i < callingNPC.BuyBack[player.Name].Count; i++) { if (callingNPC.BuyBack[player.Name][i].UniqueID != index) continue; goods = callingNPC.BuyBack[player.Name][i]; isBuyBack = true; break; } } } if (goods == null || count == 0 || count > goods.Info.StackSize) return; if ((isBuyBack || isUsed) && count > goods.Count) count = goods.Count; else goods.Count = count; uint cost = goods.Price(); cost = (uint)(cost * PriceRate(player)); uint baseCost = (uint)(goods.Price() * PriceRate(player, true)); if (player.NPCPage.Key.ToUpper() == PearlBuyKey)//pearl currency { if (cost > player.Info.PearlCount) return; } else if (cost > player.Account.Gold) return; UserItem item = (isBuyBack || isUsed) ? goods : Envir.CreateFreshItem(goods.Info); item.Count = goods.Count; if (!player.CanGainItem(item)) return; if (player.NPCPage.Key.ToUpper() == PearlBuyKey) { player.IntelligentCreatureLosePearls((int)cost); } else { player.Account.Gold -= cost; player.Enqueue(new S.LoseGold { Gold = cost }); if (callingNPC != null && callingNPC.Conq != null) { callingNPC.Conq.GoldStorage += (cost - baseCost); } } player.GainItem(item); if (isUsed) { callingNPC.UsedGoods.Remove(goods); //If used or buyback will destroy whole stack instead of reducing to remaining quantity List<UserItem> newGoodsList = new List<UserItem>(); newGoodsList.AddRange(Goods); newGoodsList.AddRange(callingNPC.UsedGoods); callingNPC.NeedSave = true; player.Enqueue(new S.NPCGoods { List = newGoodsList, Rate = PriceRate(player), HideAddedStats = Settings.GoodsHideAddedStats, Type = player.NPCPage.Key.ToUpper() == BuyUsedKey ? PanelType.BuySub : PanelType.Buy }); } if (isBuyBack) { callingNPC.BuyBack[player.Name].Remove(goods); //If used or buyback will destroy whole stack instead of reducing to remaining quantity player.Enqueue(new S.NPCGoods { List = callingNPC.BuyBack[player.Name], Rate = PriceRate(player), HideAddedStats = false }); } }