modernuo/Projects/Server/Network/PacketUtilities.cs
2026-03-05 19:36:54 -08:00

41 lines
1.8 KiB
C#

/*************************************************************************
* ModernUO *
* Copyright 2019-2026 - ModernUO Development Team *
* Email: hi@modernuo.com *
* File: PacketUtilities.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.IO;
using System.Runtime.CompilerServices;
namespace Server.Network;
public static class PacketUtilities
{
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static void WritePacketLength(this ref SpanWriter writer)
{
writer.Seek(1, SeekOrigin.Begin);
writer.Write((ushort)writer.BytesWritten);
writer.Seek(0, SeekOrigin.End);
}
// If LOCAL INIT is off, then stack/heap allocations have garbage data
// Initializes the first byte (Packet ID) so it can be used as a flag.
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static Span<byte> InitializePacket(this Span<byte> buffer)
{
buffer[0] = 0;
return buffer;
}
}