ModernUO/Projects/Server/Network/Packets/OutgoingVendorSellPackets.cs
2026-03-05 19:36:54 -08:00

80 lines
2.7 KiB
C#

/*************************************************************************
* ModernUO *
* Copyright 2019-2026 - ModernUO Development Team *
* Email: hi@modernuo.com *
* File: OutgoingVendorSellPackets.cs *
* *
* This program is free software: you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation, either version 3 of the License, or *
* (at your option) any later version. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program. If not, see <http://www.gnu.org/licenses/>. *
*************************************************************************/
using System;
using System.Buffers;
using System.Collections.Generic;
using System.IO;
namespace Server.Network;
public static class OutgoingVendorSellPackets
{
public static void SendVendorSellList(this NetState ns, Serial vendor, HashSet<SellItemState> set)
{
if (ns.CannotSendPackets())
{
return;
}
var maxLength = 9;
foreach (var sis in set)
{
var item = sis.Item;
maxLength += 14 + Math.Max(item.Name?.Length ?? 0, sis.Name?.Length ?? 0);
}
var writer = new SpanWriter(stackalloc byte[maxLength]);
writer.Write((byte)0x9E); // Packet ID
writer.Seek(2, SeekOrigin.Current);
writer.Write(vendor);
writer.Write((ushort)set.Count);
foreach (var sis in set)
{
var item = sis.Item;
writer.Write(item.Serial);
writer.Write((ushort)item.ItemID);
writer.Write((ushort)item.Hue);
writer.Write((ushort)item.Amount);
writer.Write((ushort)sis.Price);
var name = (item.Name?.Trim()).DefaultIfNullOrEmpty(sis.Name ?? "");
writer.Write((ushort)name.Length);
writer.WriteLatin1(name);
}
writer.WritePacketLength();
ns.Send(writer.Span);
}
public static void SendEndVendorSell(this NetState ns, Serial vendor)
{
if (ns.CannotSendPackets())
{
return;
}
var writer = new SpanWriter(stackalloc byte[8]);
writer.Write((byte)0x3B); // Packet ID
writer.Write((ushort)8);
writer.Write(vendor);
writer.Write((byte)0);
ns.Send(writer.Span);
}
}