941452de4a
Optimizes larger servers where users are logging in and packets are being created for no reason.
82 lines
2.8 KiB
C#
82 lines
2.8 KiB
C#
/*************************************************************************
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* ModernUO *
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* Copyright (C) 2019-2020 - ModernUO Development Team *
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* Email: hi@modernuo.com *
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* File: OutgoingVendorSellPackets.cs *
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* *
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* This program is free software: you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation, either version 3 of the License, or *
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* (at your option) any later version. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program. If not, see <http://www.gnu.org/licenses/>. *
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*************************************************************************/
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using System;
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using System.Buffers;
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using System.Collections.Generic;
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using System.IO;
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namespace Server.Network;
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public static class OutgoingVendorSellPackets
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{
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public static void SendVendorSellList(this NetState ns, Serial vendor, List<SellItemState> list)
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{
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if (ns.CannotSendPackets())
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{
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return;
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}
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var maxLength = 9;
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for (int i = 0; i < list.Count; i++)
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{
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var sis = list[i];
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var item = sis.Item;
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maxLength += 14 + Math.Max(item.Name?.Length ?? 0, sis.Name?.Length ?? 0);
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}
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var writer = new SpanWriter(stackalloc byte[maxLength]);
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writer.Write((byte)0x9E); // Packet ID
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writer.Seek(2, SeekOrigin.Current);
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writer.Write(vendor);
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writer.Write((ushort)list.Count);
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for (var i = 0; i < list.Count; i++)
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{
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var sis = list[i];
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var item = sis.Item;
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writer.Write(item.Serial);
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writer.Write((ushort)item.ItemID);
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writer.Write((ushort)item.Hue);
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writer.Write((ushort)item.Amount);
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writer.Write((ushort)sis.Price);
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var name = (item.Name?.Trim()).DefaultIfNullOrEmpty(sis.Name ?? "");
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writer.Write((ushort)name.Length);
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writer.WriteAscii(name);
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}
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writer.WritePacketLength();
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ns.Send(writer.Span);
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}
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public static void SendEndVendorSell(this NetState ns, Serial vendor)
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{
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if (ns.CannotSendPackets())
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{
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return;
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}
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var writer = new SpanWriter(stackalloc byte[8]);
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writer.Write((byte)0x3B); // Packet ID
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writer.Write((ushort)8);
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writer.Write(vendor);
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writer.Write((byte)0);
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ns.Send(writer.Span);
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}
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}
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