7013651a90
0x00A0 InventoryServerSaveFailed carries (itemGuid, weenieError) per ACE GameEventInventoryServerSaveFailed.cs and holtburger events.rs:147. The old parser returned only the itemGuid as uint?, silently dropping the error code. Replaced with a typed InventoryServerSaveFailed record that reads both u32s (8-byte guard). Parser was unwired (no callers in GameEvents.cs or GameEventWiring.cs) so the signature change is safe. 1 new test in GameEventsInventoryTests. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
499 lines
22 KiB
C#
499 lines
22 KiB
C#
using System;
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using System.Buffers.Binary;
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using System.Text;
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namespace AcDream.Core.Net.Messages;
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/// <summary>
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/// Parser + record types for the most-used <see cref="GameEventType"/>
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/// sub-opcodes inside the <c>0xF7B0</c> envelope. Each parser takes the
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/// <see cref="GameEventEnvelope.Payload"/> slice (header stripped) and
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/// returns a typed record or null on malformed payload.
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///
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/// <para>
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/// References: r08 protocol atlas §4 (wire specs) + ACE
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/// <c>GameEventChat.cs</c>, <c>GameEventTell.cs</c>,
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/// <c>GameEventUpdateHealth.cs</c>, <c>GameEventWeenieError.cs</c>,
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/// <c>GameEventCommunicationTransientString.cs</c>.
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/// </para>
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/// </summary>
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public static class GameEvents
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{
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// ── Chat / communication ─────────────────────────────────────────────────
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/// <summary>0x0147 ChannelBroadcast payload.</summary>
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public readonly record struct ChannelBroadcast(
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uint ChannelId,
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string SenderName,
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string Message);
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public static ChannelBroadcast? ParseChannelBroadcast(ReadOnlySpan<byte> payload)
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{
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int pos = 0;
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if (payload.Length < 4) return null;
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uint channelId = BinaryPrimitives.ReadUInt32LittleEndian(payload);
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pos += 4;
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try
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{
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string sender = ReadString16L(payload, ref pos);
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string message = ReadString16L(payload, ref pos);
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return new ChannelBroadcast(channelId, sender, message);
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}
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catch { return null; }
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}
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/// <summary>0x02BD Tell payload.</summary>
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public readonly record struct Tell(
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string Message,
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string SenderName,
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uint SenderGuid,
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uint TargetGuid,
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uint ChatType);
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public static Tell? ParseTell(ReadOnlySpan<byte> payload)
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{
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int pos = 0;
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try
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{
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string message = ReadString16L(payload, ref pos);
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string sender = ReadString16L(payload, ref pos);
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if (payload.Length - pos < 12) return null;
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uint senderGuid = BinaryPrimitives.ReadUInt32LittleEndian(payload.Slice(pos)); pos += 4;
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uint targetGuid = BinaryPrimitives.ReadUInt32LittleEndian(payload.Slice(pos)); pos += 4;
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uint chatType = BinaryPrimitives.ReadUInt32LittleEndian(payload.Slice(pos)); pos += 4;
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return new Tell(message, sender, senderGuid, targetGuid, chatType);
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}
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catch { return null; }
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}
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/// <summary>0x02EB CommunicationTransientString payload.</summary>
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public readonly record struct TransientMessage(string Message, uint ChatType);
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public static TransientMessage? ParseTransient(ReadOnlySpan<byte> payload)
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{
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int pos = 0;
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try
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{
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string message = ReadString16L(payload, ref pos);
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if (payload.Length - pos < 4) return null;
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uint chatType = BinaryPrimitives.ReadUInt32LittleEndian(payload.Slice(pos));
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return new TransientMessage(message, chatType);
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}
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catch { return null; }
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}
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/// <summary>0x0004 PopupString — modal dialog text.</summary>
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public static string? ParsePopupString(ReadOnlySpan<byte> payload)
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{
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int pos = 0;
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try { return ReadString16L(payload, ref pos); } catch { return null; }
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}
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// ── Errors ──────────────────────────────────────────────────────────────
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/// <summary>0x028A WeenieError: generic game-logic failure code.</summary>
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public static uint? ParseWeenieError(ReadOnlySpan<byte> payload)
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{
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if (payload.Length < 4) return null;
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return BinaryPrimitives.ReadUInt32LittleEndian(payload);
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}
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/// <summary>0x028B WeenieErrorWithString.</summary>
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public readonly record struct WeenieErrorWithString(uint ErrorCode, string Interpolation);
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public static WeenieErrorWithString? ParseWeenieErrorWithString(ReadOnlySpan<byte> payload)
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{
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if (payload.Length < 4) return null;
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uint code = BinaryPrimitives.ReadUInt32LittleEndian(payload);
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int pos = 4;
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try
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{
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string interp = ReadString16L(payload, ref pos);
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return new WeenieErrorWithString(code, interp);
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}
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catch { return null; }
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}
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// ── Vitals / combat ─────────────────────────────────────────────────────
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/// <summary>0x01C0 UpdateHealth: (guid, healthPercent 0..1).</summary>
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public readonly record struct UpdateHealth(uint TargetGuid, float HealthPercent);
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public static UpdateHealth? ParseUpdateHealth(ReadOnlySpan<byte> payload)
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{
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if (payload.Length < 8) return null;
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uint guid = BinaryPrimitives.ReadUInt32LittleEndian(payload);
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float pct = BinaryPrimitives.ReadSingleLittleEndian(payload.Slice(4));
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return new UpdateHealth(guid, pct);
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}
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// ── Pings / misc ────────────────────────────────────────────────────────
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/// <summary>0x01EA PingResponse: echoes the client ping id.</summary>
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public static uint? ParsePingResponse(ReadOnlySpan<byte> payload)
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{
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if (payload.Length < 4) return null;
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return BinaryPrimitives.ReadUInt32LittleEndian(payload);
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}
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// ── Spells / magic ──────────────────────────────────────────────────────
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/// <summary>0x02C1 MagicUpdateSpell: spell id added to spellbook.</summary>
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public static uint? ParseMagicUpdateSpell(ReadOnlySpan<byte> payload)
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{
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if (payload.Length < 4) return null;
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return BinaryPrimitives.ReadUInt32LittleEndian(payload);
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}
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// ── Combat notifications ────────────────────────────────────────────────
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/// <summary>0x01AC VictimNotification - death message for the victim.</summary>
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public readonly record struct VictimNotification(string DeathMessage);
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public static VictimNotification? ParseVictimNotification(ReadOnlySpan<byte> payload)
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{
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int pos = 0;
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try { return new VictimNotification(ReadString16L(payload, ref pos)); }
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catch { return null; }
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}
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/// <summary>0x01AD KillerNotification - death message for the killer.</summary>
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public readonly record struct KillerNotification(string DeathMessage);
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public static KillerNotification? ParseKillerNotification(ReadOnlySpan<byte> payload)
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{
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int pos = 0;
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try { return new KillerNotification(ReadString16L(payload, ref pos)); }
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catch { return null; }
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}
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/// <summary>0x01B1 AttackerNotification - "you hit X".</summary>
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public readonly record struct AttackerNotification(
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string DefenderName,
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uint DamageType,
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double HealthPercent,
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uint Damage,
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uint Critical,
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ulong AttackConditions);
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public static AttackerNotification? ParseAttackerNotification(ReadOnlySpan<byte> payload)
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{
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int pos = 0;
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try
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{
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string name = ReadString16L(payload, ref pos);
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if (payload.Length - pos < 28) return null;
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uint damageType = BinaryPrimitives.ReadUInt32LittleEndian(payload.Slice(pos)); pos += 4;
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double pct = BinaryPrimitives.ReadDoubleLittleEndian(payload.Slice(pos)); pos += 8;
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uint damage = BinaryPrimitives.ReadUInt32LittleEndian(payload.Slice(pos)); pos += 4;
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uint crit = BinaryPrimitives.ReadUInt32LittleEndian(payload.Slice(pos)); pos += 4;
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ulong cond = BinaryPrimitives.ReadUInt64LittleEndian(payload.Slice(pos)); pos += 8;
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return new AttackerNotification(name, damageType, pct, damage, crit, cond);
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}
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catch { return null; }
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}
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/// <summary>0x01B2 DefenderNotification - "X hit you".</summary>
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public readonly record struct DefenderNotification(
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string AttackerName,
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uint DamageType,
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double HealthPercent,
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uint Damage,
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uint HitQuadrant,
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uint Critical,
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ulong AttackConditions);
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public static DefenderNotification? ParseDefenderNotification(ReadOnlySpan<byte> payload)
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{
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int pos = 0;
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try
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{
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string name = ReadString16L(payload, ref pos);
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if (payload.Length - pos < 32) return null;
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uint dtype = BinaryPrimitives.ReadUInt32LittleEndian(payload.Slice(pos)); pos += 4;
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double pct = BinaryPrimitives.ReadDoubleLittleEndian(payload.Slice(pos)); pos += 8;
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uint dmg = BinaryPrimitives.ReadUInt32LittleEndian(payload.Slice(pos)); pos += 4;
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uint quad = BinaryPrimitives.ReadUInt32LittleEndian(payload.Slice(pos)); pos += 4;
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uint crit = BinaryPrimitives.ReadUInt32LittleEndian(payload.Slice(pos)); pos += 4;
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ulong cond = BinaryPrimitives.ReadUInt64LittleEndian(payload.Slice(pos)); pos += 8;
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return new DefenderNotification(name, dtype, pct, dmg, quad, crit, cond);
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}
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catch { return null; }
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}
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/// <summary>0x01B3 EvasionAttackerNotification - "X evaded".</summary>
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public static string? ParseEvasionAttackerNotification(ReadOnlySpan<byte> payload)
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{
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int pos = 0;
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try { return ReadString16L(payload, ref pos); } catch { return null; }
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}
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/// <summary>0x01B4 EvasionDefenderNotification - "you evaded X".</summary>
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public static string? ParseEvasionDefenderNotification(ReadOnlySpan<byte> payload)
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{
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int pos = 0;
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try { return ReadString16L(payload, ref pos); } catch { return null; }
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}
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/// <summary>0x01B8 CombatCommenceAttack - empty payload.</summary>
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public static bool ParseCombatCommenceAttack(ReadOnlySpan<byte> payload) => payload.Length == 0;
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/// <summary>0x01A7 AttackDone - single WeenieError value.</summary>
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public readonly record struct AttackDone(uint AttackSequence, uint WeenieError);
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public static AttackDone? ParseAttackDone(ReadOnlySpan<byte> payload)
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{
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if (payload.Length < 4) return null;
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return new AttackDone(0u, BinaryPrimitives.ReadUInt32LittleEndian(payload));
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}
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// ── Spell enchantments ──────────────────────────────────────────────────
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/// <summary>
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/// 0x02C3 MagicRemoveEnchantment — (layerId, spellId).
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/// </summary>
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public readonly record struct MagicRemoveEnchantment(uint LayerId, uint SpellId);
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public static MagicRemoveEnchantment? ParseMagicRemoveEnchantment(ReadOnlySpan<byte> payload)
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{
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if (payload.Length < 8) return null;
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return new MagicRemoveEnchantment(
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BinaryPrimitives.ReadUInt32LittleEndian(payload),
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BinaryPrimitives.ReadUInt32LittleEndian(payload.Slice(4)));
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}
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/// <summary>0x01A8 MagicRemoveSpell — spell id removed from spellbook.</summary>
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public static uint? ParseMagicRemoveSpell(ReadOnlySpan<byte> payload)
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{
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if (payload.Length < 4) return null;
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return BinaryPrimitives.ReadUInt32LittleEndian(payload);
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}
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/// <summary>
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/// 0x02C2 MagicUpdateEnchantment — the Enchantment blob. Full layout
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/// (ACE <c>Enchantment.Pack</c>) is ~80+ bytes of spell metadata +
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/// stat mods. We expose the first few fields that drive the enchant
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/// bar UI; the rest is available via the raw payload view.
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/// </summary>
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public readonly record struct EnchantmentSummary(
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uint SpellId,
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uint LayerId,
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float Duration,
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uint CasterGuid);
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public static EnchantmentSummary? ParseMagicUpdateEnchantment(ReadOnlySpan<byte> payload)
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{
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// Layout (ACE Enchantment.Pack):
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// u32 spellId
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// u32 layerId
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// f32 duration
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// u32 casterGuid
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// ... (stat mods, category, power, etc.)
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if (payload.Length < 16) return null;
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return new EnchantmentSummary(
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BinaryPrimitives.ReadUInt32LittleEndian(payload),
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BinaryPrimitives.ReadUInt32LittleEndian(payload.Slice(4)),
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BinaryPrimitives.ReadSingleLittleEndian(payload.Slice(8)),
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BinaryPrimitives.ReadUInt32LittleEndian(payload.Slice(12)));
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}
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/// <summary>
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/// 0x02C7 MagicDispelEnchantment — (layerId, spellId).
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/// Structure matches MagicRemoveEnchantment.
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/// </summary>
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public static MagicRemoveEnchantment? ParseMagicDispelEnchantment(ReadOnlySpan<byte> payload)
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=> ParseMagicRemoveEnchantment(payload);
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// ── Appraise / identify ─────────────────────────────────────────────────
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/// <summary>0x00C9 IdentifyObjectResponse header.</summary>
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public readonly record struct IdentifyResponseHeader(
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uint Guid,
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uint AppraiseFlags,
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bool Success);
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/// <summary>
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/// Parse the header of an <c>IdentifyObjectResponse (0x00C9)</c>.
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/// Full property-bundle deserialization (int / bool / float / string
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/// tables per the AppraiseFlags bitfield) is a future pass; this
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/// header alone is enough for the UI to display "Appraise complete
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/// on target X" and to route into the repository.
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/// </summary>
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public static IdentifyResponseHeader? ParseIdentifyResponseHeader(ReadOnlySpan<byte> payload)
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{
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if (payload.Length < 12) return null;
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uint guid = BinaryPrimitives.ReadUInt32LittleEndian(payload);
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uint flags = BinaryPrimitives.ReadUInt32LittleEndian(payload.Slice(4));
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uint success = BinaryPrimitives.ReadUInt32LittleEndian(payload.Slice(8));
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return new IdentifyResponseHeader(guid, flags, success != 0);
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}
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/// <summary>0x0023 WieldObject: server-driven equip.</summary>
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public readonly record struct WieldObject(
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uint ItemGuid,
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uint EquipLoc,
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uint WielderGuid);
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public static WieldObject? ParseWieldObject(ReadOnlySpan<byte> payload)
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{
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if (payload.Length < 12) return null;
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return new WieldObject(
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BinaryPrimitives.ReadUInt32LittleEndian(payload),
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BinaryPrimitives.ReadUInt32LittleEndian(payload.Slice(4)),
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BinaryPrimitives.ReadUInt32LittleEndian(payload.Slice(8)));
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}
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/// <summary>0x0022 InventoryPutObjInContainer: server puts item into container slot.
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/// 4 fields (ACE GameEventItemServerSaysContainId.cs): itemGuid, containerGuid,
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/// placement, containerType. ContainerType (0=item,1=container,2=foci) confirmed
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/// vs holtburger events.rs fixture (slot=3 type=1).</summary>
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public readonly record struct InventoryPutObjInContainer(
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uint ItemGuid,
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uint ContainerGuid,
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uint Placement,
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uint ContainerType);
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public static InventoryPutObjInContainer? ParsePutObjInContainer(ReadOnlySpan<byte> payload)
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{
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if (payload.Length < 16) return null;
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return new InventoryPutObjInContainer(
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BinaryPrimitives.ReadUInt32LittleEndian(payload),
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BinaryPrimitives.ReadUInt32LittleEndian(payload.Slice(4)),
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BinaryPrimitives.ReadUInt32LittleEndian(payload.Slice(8)),
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BinaryPrimitives.ReadUInt32LittleEndian(payload.Slice(12)));
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}
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/// <summary>0x0196 ViewContents: full contents list of a container you opened.
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/// Layout (ACE GameEventViewContents.cs): containerGuid, count, [guid, containerType]×count.
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/// Client consumer: ClientUISystem::OnViewContents (PackableList<ContentProfile>).</summary>
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public readonly record struct ViewContentsEntry(uint Guid, uint ContainerType);
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public readonly record struct ViewContents(uint ContainerGuid, System.Collections.Generic.IReadOnlyList<ViewContentsEntry> Items);
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public static ViewContents? ParseViewContents(ReadOnlySpan<byte> payload)
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{
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if (payload.Length < 8) return null;
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uint containerGuid = BinaryPrimitives.ReadUInt32LittleEndian(payload);
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uint count = BinaryPrimitives.ReadUInt32LittleEndian(payload.Slice(4));
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int pos = 8;
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if ((long)payload.Length - pos < (long)count * 8) return null;
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var items = new ViewContentsEntry[count];
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for (int i = 0; i < count; i++)
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{
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uint guid = BinaryPrimitives.ReadUInt32LittleEndian(payload.Slice(pos)); pos += 4;
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uint type = BinaryPrimitives.ReadUInt32LittleEndian(payload.Slice(pos)); pos += 4;
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items[i] = new ViewContentsEntry(guid, type);
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}
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return new ViewContents(containerGuid, items);
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}
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// ── Other small-payload events ──────────────────────────────────────────
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/// <summary>0x01C7 UseDone: the Use/UseWithTarget completion signal (WeenieError code).</summary>
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public static uint? ParseUseDone(ReadOnlySpan<byte> payload)
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{
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if (payload.Length < 4) return null;
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return BinaryPrimitives.ReadUInt32LittleEndian(payload);
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}
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/// <summary>0x019A InventoryPutObjectIn3D: server dropped item to ground.</summary>
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public static uint? ParsePutObjectIn3D(ReadOnlySpan<byte> payload)
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{
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if (payload.Length < 4) return null;
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return BinaryPrimitives.ReadUInt32LittleEndian(payload);
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}
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/// <summary>0x00A0 InventoryServerSaveFailed: revert a speculative local inventory op.
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/// (itemGuid, weenieError) — ACE GameEventInventoryServerSaveFailed.cs; holtburger
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/// events.rs:147 reads both fields.</summary>
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public readonly record struct InventoryServerSaveFailed(uint ItemGuid, uint WeenieError);
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public static InventoryServerSaveFailed? ParseInventoryServerSaveFailed(ReadOnlySpan<byte> payload)
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{
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if (payload.Length < 8) return null;
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return new InventoryServerSaveFailed(
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BinaryPrimitives.ReadUInt32LittleEndian(payload),
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BinaryPrimitives.ReadUInt32LittleEndian(payload.Slice(4)));
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}
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/// <summary>0x0052 CloseGroundContainer: server closed a ground container view.</summary>
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public static uint? ParseCloseGroundContainer(ReadOnlySpan<byte> payload)
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{
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if (payload.Length < 4) return null;
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return BinaryPrimitives.ReadUInt32LittleEndian(payload);
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}
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/// <summary>0x0207 TradeFailure: server trade error code.</summary>
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public static uint? ParseTradeFailure(ReadOnlySpan<byte> payload)
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{
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if (payload.Length < 4) return null;
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return BinaryPrimitives.ReadUInt32LittleEndian(payload);
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}
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/// <summary>0x0200 AddToTrade: (itemGuid, slotIndex).</summary>
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public readonly record struct AddToTrade(uint ItemGuid, uint SlotIndex);
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public static AddToTrade? ParseAddToTrade(ReadOnlySpan<byte> payload)
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{
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if (payload.Length < 8) return null;
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return new AddToTrade(
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BinaryPrimitives.ReadUInt32LittleEndian(payload),
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BinaryPrimitives.ReadUInt32LittleEndian(payload.Slice(4)));
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}
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/// <summary>0x0202 AcceptTrade: initiator guid.</summary>
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public static uint? ParseAcceptTrade(ReadOnlySpan<byte> payload)
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{
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if (payload.Length < 4) return null;
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return BinaryPrimitives.ReadUInt32LittleEndian(payload);
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}
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/// <summary>0x0264 QueryItemManaResponse: (itemGuid, manaPercent).</summary>
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public readonly record struct QueryItemManaResponse(uint ItemGuid, float ManaPercent);
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public static QueryItemManaResponse? ParseQueryItemManaResponse(ReadOnlySpan<byte> payload)
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{
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if (payload.Length < 8) return null;
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return new QueryItemManaResponse(
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BinaryPrimitives.ReadUInt32LittleEndian(payload),
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BinaryPrimitives.ReadSingleLittleEndian(payload.Slice(4)));
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}
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/// <summary>0x0274 CharacterConfirmationRequest — server-driven modal confirm.</summary>
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||
public readonly record struct CharacterConfirmationRequest(
|
||
uint Type,
|
||
uint ContextId,
|
||
uint OtherGuid,
|
||
string Message);
|
||
|
||
public static CharacterConfirmationRequest? ParseCharacterConfirmationRequest(ReadOnlySpan<byte> payload)
|
||
{
|
||
if (payload.Length < 12) return null;
|
||
int pos = 0;
|
||
uint type = BinaryPrimitives.ReadUInt32LittleEndian(payload); pos += 4;
|
||
uint contextId = BinaryPrimitives.ReadUInt32LittleEndian(payload.Slice(pos)); pos += 4;
|
||
uint otherGuid = BinaryPrimitives.ReadUInt32LittleEndian(payload.Slice(pos)); pos += 4;
|
||
try
|
||
{
|
||
string msg = ReadString16L(payload, ref pos);
|
||
return new CharacterConfirmationRequest(type, contextId, otherGuid, msg);
|
||
}
|
||
catch { return null; }
|
||
}
|
||
|
||
// ── Shared string reader (matches LoginRequest.ReadString16L) ───────────
|
||
|
||
private static string ReadString16L(ReadOnlySpan<byte> source, ref int pos)
|
||
{
|
||
if (source.Length - pos < 2) throw new FormatException("truncated String16L length");
|
||
ushort length = BinaryPrimitives.ReadUInt16LittleEndian(source.Slice(pos));
|
||
pos += 2;
|
||
if (source.Length - pos < length) throw new FormatException("truncated String16L body");
|
||
// Windows-1252 matches retail (and holtburger's encoding_rs::WINDOWS_1252).
|
||
string result = Encoding.GetEncoding(1252).GetString(source.Slice(pos, length));
|
||
pos += length;
|
||
int recordSize = 2 + length;
|
||
int padding = (4 - (recordSize & 3)) & 3;
|
||
pos += padding;
|
||
return result;
|
||
}
|
||
}
|