ff5ed9ec0b
Five sub-changes:
1. Windows-1252 codec switch (global). Every Encoding.ASCII call site
in src/AcDream.Core.Net/Messages/ -> Encoding.GetEncoding(1252).
Touched HearSpeech, ChatRequests, GameEvents, AppraiseInfoParser,
CharacterList, CreateObject, PlayerDescriptionParser, SocialActions.
New Encodings.cs module-init registers CodePagesEncodingProvider
(System.Text.Encoding.CodePages ships with .NET 10 SDK but isn't
auto-registered). Matches retail + holtburger; accented names
no longer round-trip-broken.
2. New parsers (opcodes confirmed against holtburger opcodes.rs):
- EmoteText (0x01E0) { u32 senderGuid, string16 senderName, string16 text }
- SoulEmote (0x01E2) same wire layout as EmoteText
- ServerMessage (0xF7E0) { string16 message, u32 chatType }
- PlayerKilled (0x019E) { string16 deathMessage, u32 victimGuid, u32 killerGuid }
Shared StringReader.cs has the CP1252 String16L primitive.
3. WorldSession dispatch. ProcessDatagram adds branches for the four
new top-level opcodes + fires session-level events (EmoteHeard,
SoulEmoteHeard, ServerMessageReceived, PlayerKilledReceived).
0x0295 SetTurbineChatChannels stubbed with TODO for parallel I.6.
4. GameEventWiring routes WeenieError + WeenieErrorWithString
(parsers existed but were unrouted) -> chat.OnWeenieError.
5. ChatLog adapters: Emote / SoulEmote ChatKind values, OnEmote,
OnSoulEmote, OnPlayerKilled, OnWeenieError. OnLocalSpeech now
substitutes empty sender -> "You" per holtburger client/messages.rs.
ChatVM.FormatEntry handles new kinds (asterisk + sender + text).
22 new tests covering parser round-trips + reject-bad-opcode +
ChatLog adapter coverage + Win-1252 round-trip with non-ASCII chars.
Solution total: 881 green (210->225 in Core.Net.Tests, 606->613 in Core.Tests).
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
58 lines
2 KiB
C#
58 lines
2 KiB
C#
using System;
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using System.Buffers.Binary;
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using System.Text;
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using AcDream.Core.Net.Messages;
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using Xunit;
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namespace AcDream.Core.Net.Tests.Messages;
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/// <summary>
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/// Phase I.5: 0xF7E0 ServerMessage parser. Wire layout per holtburger
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/// ServerMessageData: string16L message + u32 chatType.
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/// </summary>
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public sealed class ServerMessageTests
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{
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[Fact]
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public void TryParse_RoundTrips_MessageAndChatType()
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{
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byte[] msg = PackString16L("The server will reset in 5 minutes.");
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byte[] body = new byte[4 + msg.Length + 4];
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BinaryPrimitives.WriteUInt32LittleEndian(body, ServerMessage.Opcode);
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Array.Copy(msg, 0, body, 4, msg.Length);
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BinaryPrimitives.WriteUInt32LittleEndian(body.AsSpan(4 + msg.Length), 5u); // System
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var parsed = ServerMessage.TryParse(body);
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Assert.NotNull(parsed);
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Assert.Equal("The server will reset in 5 minutes.", parsed!.Value.Message);
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Assert.Equal(5u, parsed.Value.ChatType);
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}
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[Fact]
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public void TryParse_WrongOpcode_ReturnsNull()
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{
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byte[] body = new byte[8];
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BinaryPrimitives.WriteUInt32LittleEndian(body, 0xDEADBEEFu);
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Assert.Null(ServerMessage.TryParse(body));
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}
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[Fact]
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public void TryParse_TruncatedChatType_ReturnsNull()
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{
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byte[] msg = PackString16L("hi");
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byte[] body = new byte[4 + msg.Length + 2]; // 2 bytes short
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BinaryPrimitives.WriteUInt32LittleEndian(body, ServerMessage.Opcode);
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Array.Copy(msg, 0, body, 4, msg.Length);
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Assert.Null(ServerMessage.TryParse(body));
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}
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private static byte[] PackString16L(string s)
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{
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byte[] data = Encoding.GetEncoding(1252).GetBytes(s);
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int recordSize = 2 + data.Length;
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int padding = (4 - (recordSize & 3)) & 3;
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byte[] result = new byte[recordSize + padding];
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BinaryPrimitives.WriteUInt16LittleEndian(result, (ushort)data.Length);
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Array.Copy(data, 0, result, 2, data.Length);
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return result;
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}
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}
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