sLog->outDebug(LOG_FILTER_NETWORKIO, "WORLD: Sent SMSG_LIST_INVENTORY");

    Creature* vendor = GetPlayer()->GetNPCIfCanInteractWith(vendorGuid, UNIT_NPC_FLAG_VENDOR);
    if (!vendor)
    {
        sLog->outDebug(LOG_FILTER_NETWORKIO, "WORLD: SendListInventory - Unit (GUID: %u) not found or you can not interact with him.", uint32(GUID_LOPART(vendorGuid)));
        _player->SendSellError(SELL_ERR_CANT_FIND_VENDOR, NULL, 0, 0);
        return;
    }

    // remove fake death
    if (GetPlayer()->HasUnitState(UNIT_STAT_DIED))
        GetPlayer()->RemoveAurasByType(SPELL_AURA_FEIGN_DEATH);

    // Stop the npc if moving
    if (vendor->HasUnitState(UNIT_STAT_MOVING))
        vendor->StopMoving();

    uint8 bytes[8] = { };
    *(uint64*)bytes = vendorGuid;

    VendorItemData const* items = vendor->GetVendorItems();
    if (!items)
    {
        WorldPacket data(SMSG_LIST_INVENTORY, 8 + 1 + 1);
        data.WriteByteMask(bytes[5]);
        data.WriteByteMask(bytes[6]);
        data.WriteByteMask(bytes[1]);
        data.WriteByteMask(bytes[2]);
        data.WriteByteMask(bytes[3]);
        data.WriteByteMask(bytes[0]);
        data.WriteByteMask(bytes[7]);
        data.WriteByteMask(bytes[4]);

        data.WriteByteSeq(bytes[2]);
        data.WriteByteSeq(bytes[3]);

        data << uint8(0);                                   // count == 0, next will be error code
        data << uint8(0xA0);                                // Only seen 0xA0 (160) so far ( should we send 0 here?)

        data.WriteByteSeq(bytes[4]);
        data.WriteByteSeq(bytes[7]);
        data.WriteByteSeq(bytes[6]);
        SendPacket(&data);
        return;
    }

    uint8 itemCount = items->GetItemCount();
    uint8 count = 0;

    WorldPacket data(SMSG_LIST_INVENTORY, 8 + 1 + itemCount * 8 * 4);

    data.WriteByteMask(bytes[5]);
    data.WriteByteMask(bytes[6]);
    data.WriteByteMask(bytes[1]);
    data.WriteByteMask(bytes[2]);
    data.WriteByteMask(bytes[3]);
    data.WriteByteMask(bytes[0]);
    data.WriteByteMask(bytes[7]);
    data.WriteByteMask(bytes[4]);

    data.WriteByteSeq(bytes[2]);
    data.WriteByteSeq(bytes[3]);

    size_t countPos = data.wpos();
    data << uint32(count);

    data.WriteByteSeq(bytes[5]);
    data.WriteByteSeq(bytes[0]);
    data.WriteByteSeq(bytes[1]);

    data << uint8(0xA0); // Only seen 0xA0 (160) so far

    data.WriteByteSeq(bytes[4]);
    data.WriteByteSeq(bytes[7]);
    data.WriteByteSeq(bytes[6]);

    float discountMod = _player->GetReputationPriceDiscount(vendor);

    for (uint8 slot = 0; slot < itemCount; ++slot)
    {
        if (VendorItem const* item = items->GetItem(slot))
        {
            if (ItemTemplate const* itemTemplate = sObjectMgr->GetItemTemplate(item->item))
            {
                if (!(itemTemplate->AllowableClass & _player->getClassMask()) && itemTemplate->Bonding == BIND_WHEN_PICKED_UP && !_player->isGameMaster())
                    continue;
                // Only display items in vendor lists for the team the
                // player is on. If GM on, display all items.
                if (!_player->isGameMaster() && ((itemTemplate->Flags2 & ITEM_FLAGS_EXTRA_HORDE_ONLY && _player->GetTeam() == ALLIANCE) || (itemTemplate->Flags2 == ITEM_FLAGS_EXTRA_ALLIANCE_ONLY && _player->GetTeam() == HORDE)))
                    continue;

                // Items sold out are not displayed in list
                uint32 leftInStock = !item->maxcount ? 0xFFFFFFFF : vendor->GetVendorItemCurrentCount(item);
                if (!_player->isGameMaster() && !leftInStock)
                    continue;

                // reputation discount
                int32 price = item->IsGoldRequired(itemTemplate) ? uint32(floor(itemTemplate->BuyPrice * discountMod)) : 0;

                data << uint32(itemTemplate->MaxDurability);
                data << uint32(slot + 1);       // client expects counting to start at 1
                data << uint32(item->item);
                data << uint32(0);
                data << uint32(itemTemplate->DisplayInfoID);
                data << uint32(leftInStock);
                data << uint32(itemTemplate->BuyCount);
                data << uint32(item->ExtendedCost);
                data << uint32(1);
                data << uint32(price);
            }
        }
    }

    if (count == 0)
    {
        SendPacket(&data);
        return;
    }

    data.put<uint32>(countPos, count);
    SendPacket(&data);