fix(combatlog): avoid partial spell miss log entries on truncation

This commit is contained in:
Kelsi 2026-03-14 13:29:55 -07:00
parent f0ba85fa80
commit b24da8463c

View file

@ -2760,25 +2760,55 @@ void GameHandler::handlePacket(network::Packet& packet) {
uint64_t casterGuid = readSpellMissGuid();
if (packet.getSize() - packet.getReadPos() < 5) break;
/*uint8_t unk =*/ packet.readUInt8();
uint32_t count = packet.readUInt32();
for (uint32_t i = 0; i < count; ++i) {
const uint32_t rawCount = packet.readUInt32();
if (rawCount > 128) {
LOG_WARNING("SMSG_SPELLLOGMISS: miss count capped (requested=", rawCount, ")");
}
const uint32_t storedLimit = std::min<uint32_t>(rawCount, 128u);
struct SpellMissLogEntry {
uint64_t victimGuid = 0;
uint8_t missInfo = 0;
};
std::vector<SpellMissLogEntry> parsedMisses;
parsedMisses.reserve(storedLimit);
bool truncated = false;
for (uint32_t i = 0; i < rawCount; ++i) {
if (packet.getSize() - packet.getReadPos() < (spellMissUsesFullGuid ? 9u : 2u)
|| (!spellMissUsesFullGuid && !hasFullPackedGuid(packet))) {
packet.setReadPos(packet.getSize()); break;
truncated = true;
break;
}
uint64_t victimGuid = readSpellMissGuid();
if (packet.getSize() - packet.getReadPos() < 1) break;
uint8_t missInfo = packet.readUInt8();
const uint64_t victimGuid = readSpellMissGuid();
if (packet.getSize() - packet.getReadPos() < 1) {
truncated = true;
break;
}
const uint8_t missInfo = packet.readUInt8();
// REFLECT (11): extra uint32 reflectSpellId + uint8 reflectResult
if (missInfo == 11) {
if (packet.getSize() - packet.getReadPos() >= 5) {
/*uint32_t reflectSpellId =*/ packet.readUInt32();
/*uint8_t reflectResult =*/ packet.readUInt8();
} else {
packet.setReadPos(packet.getSize());
truncated = true;
break;
}
}
if (i < storedLimit) {
parsedMisses.push_back({victimGuid, missInfo});
}
}
if (truncated) {
packet.setReadPos(packet.getSize());
break;
}
for (const auto& miss : parsedMisses) {
const uint64_t victimGuid = miss.victimGuid;
const uint8_t missInfo = miss.missInfo;
CombatTextEntry::Type ct = combatTextTypeFromSpellMissInfo(missInfo);
if (casterGuid == playerGuid) {
// We cast a spell and it missed the target