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game: fix Classic/TBC SMSG_TEXT_EMOTE field order

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Classic 1.12 and TBC 2.4.3 send SMSG_TEXT_EMOTE with the field order:
  textEmoteId(u32) + emoteNum(u32) + senderGuid(u64) + nameLen(u32) + name

WotLK 3.3.5a swapped senderGuid to the front:
  senderGuid(u64) + textEmoteId(u32) + emoteNum(u32) + nameLen(u32) + name

The previous TextEmoteParser always used the WotLK order, causing senderGuid
to be read as a mashup of textEmoteId+emoteNum for Classic/TBC. Emote
animations and chat entries were associated with wrong GUIDs.

TextEmoteParser::parse now takes a legacyFormat parameter; handleTextEmote
passes it based on expansion detection.
This commit is contained in:
Kelsi 2026-03-10 01:05:23 -07:00
parent a0979b9cd8
commit c19edd407a
3 changed files with 22 additions and 7 deletions
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20
src/game/world_packets.cpp
View file

@ -1510,20 +1510,30 @@ network::Packet TextEmotePacket::build(uint32_t textEmoteId, uint64_t targetGuid
return packet;
}
bool TextEmoteParser::parse(network::Packet& packet, TextEmoteData& data) {
bool TextEmoteParser::parse(network::Packet& packet, TextEmoteData& data, bool legacyFormat) {
size_t bytesLeft = packet.getSize() - packet.getReadPos();
if (bytesLeft < 20) {
LOG_WARNING("SMSG_TEXT_EMOTE too short: ", bytesLeft, " bytes");
return false;
}
data.senderGuid = packet.readUInt64();
data.textEmoteId = packet.readUInt32();
data.emoteNum = packet.readUInt32();
if (legacyFormat) {
// Classic 1.12 / TBC 2.4.3: textEmoteId(u32) + emoteNum(u32) + senderGuid(u64)
data.textEmoteId = packet.readUInt32();
data.emoteNum = packet.readUInt32();
data.senderGuid = packet.readUInt64();
} else {
// WotLK 3.3.5a: senderGuid(u64) + textEmoteId(u32) + emoteNum(u32)
data.senderGuid = packet.readUInt64();
data.textEmoteId = packet.readUInt32();
data.emoteNum = packet.readUInt32();
}
uint32_t nameLen = packet.readUInt32();
if (nameLen > 0 && nameLen <= 256) {
data.targetName = packet.readString();
} else if (nameLen > 0) {
// Skip garbage
// Implausible name length — misaligned read
return false;
}
return true;