public void Handle(WorldClient client, NpcBuyItemPacket packet)
{
var cellId = _gameWorld.Players[_gameSession.CharId].CellId;
var npc = _mapProvider.Map.GetNPC(cellId, packet.NpcId);
if (npc is null || !npc.ContainsProduct(packet.ItemIndex))
{
_logger.LogWarning("NPC with id {npcId} doesn't contain item at index: {itemIndex}.", packet.NpcId, packet.ItemIndex);
return;
}
var discount = 0f;
if (_mapProvider.Map is GuildHouseMap)
{
if (!_guildManager.HasGuild)
{
_packetFactory.SendGuildHouseActionError(client, GuildHouseActionError.LowRank, 30);
return;
}
var allowed = _guildManager.CanUseNpc(npc.Type, npc.TypeId, out var requiredRank);
if (!allowed)
{
_packetFactory.SendGuildHouseActionError(client, GuildHouseActionError.LowRank, requiredRank);
return;
}
allowed = _guildManager.HasNpcLevel(npc.Type, npc.TypeId);
if (!allowed)
{
_packetFactory.SendGuildHouseActionError(client, GuildHouseActionError.LowLevel, 0);
return;
}
discount = _guildManager.GetDiscount(npc.Type, npc.TypeId);
}
var buyItem = npc.Products[packet.ItemIndex];
var boughtItem = _inventoryManager.BuyItem(buyItem, packet.Count, discount, out var result);
_packetFactory.SendBoughtItem(client, result, boughtItem, _inventoryManager.Gold);
}