mirror of
https://github.com/modernuo/ModernUO
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### Summary - Works around a sneaky edge case bug in the JIT with stackalloc where sometimes the buffer is not zero'd. - Fixes SendDisplayBoatHS - Fixes sending health bars in the `SendEverything()` logic. - Fixes a bug in sizing for some string helper functions. ### Developer Note We are enabled `SkipLocalsInit` - do not rely on `stackalloc` to be zero'd. To zero the buffer, use `span.Clear();` Closes #1606
41 lines
1.8 KiB
C#
41 lines
1.8 KiB
C#
/*************************************************************************
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* ModernUO *
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* Copyright 2019-2023 - ModernUO Development Team *
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* Email: hi@modernuo.com *
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* File: PacketUtilities.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.IO;
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using System.Runtime.CompilerServices;
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namespace Server.Network;
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public static class PacketUtilities
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{
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public static void WritePacketLength(this ref SpanWriter writer)
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{
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writer.Seek(1, SeekOrigin.Begin);
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writer.Write((ushort)writer.BytesWritten);
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writer.Seek(0, SeekOrigin.End);
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}
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// If LOCAL INIT is off, then stack/heap allocations have garbage data
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// Initializes the first byte (Packet ID) so it can be used as a flag.
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public static Span<byte> InitializePacket(this Span<byte> buffer)
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{
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buffer[0] = 0;
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return buffer;
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}
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}
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