refactor: move hasFullPackedGuid into Packet class, deduplicate 2 definitions

Add Packet::hasFullPackedGuid() method and remove identical standalone
definitions from game_handler.cpp and packet_parsers_classic.cpp.
Replace 53 free-function calls with method calls.
This commit is contained in:
Kelsi 2026-03-25 12:46:44 -07:00
parent 376d0a0f77
commit 40dd39feed
4 changed files with 61 additions and 85 deletions

View file

@ -34,6 +34,14 @@ public:
size_t getReadPos() const { return readPos; }
size_t getSize() const { return data.size(); }
size_t getRemainingSize() const { return data.size() - readPos; }
bool hasFullPackedGuid() const {
if (readPos >= data.size()) return false;
uint8_t mask = data[readPos];
size_t guidBytes = 1;
for (int bit = 0; bit < 8; ++bit)
if (mask & (1u << bit)) ++guidBytes;
return getRemainingSize() >= guidBytes;
}
void setReadPos(size_t pos) { readPos = pos; }
private:

View file

@ -169,22 +169,6 @@ float slowUpdateObjectBlockLogThresholdMs() {
constexpr size_t kMaxQueuedInboundPackets = 4096;
bool hasFullPackedGuid(const network::Packet& packet) {
if (packet.getReadPos() >= packet.getSize()) {
return false;
}
const auto& rawData = packet.getData();
const uint8_t mask = rawData[packet.getReadPos()];
size_t guidBytes = 1;
for (int bit = 0; bit < 8; ++bit) {
if ((mask & (1u << bit)) != 0) {
++guidBytes;
}
}
return packet.getRemainingSize() >= guidBytes;
}
bool packetHasRemaining(const network::Packet& packet, size_t need) {
const size_t size = packet.getSize();
const size_t pos = packet.getReadPos();
@ -1982,10 +1966,10 @@ void GameHandler::registerOpcodeHandlers() {
return UpdateObjectParser::readPackedGuid(packet);
};
if (packet.getRemainingSize() < (prUsesFullGuid ? 8u : 1u)
|| (!prUsesFullGuid && !hasFullPackedGuid(packet))) { packet.setReadPos(packet.getSize()); return; }
|| (!prUsesFullGuid && !packet.hasFullPackedGuid())) { packet.setReadPos(packet.getSize()); return; }
uint64_t caster = readPrGuid();
if (packet.getRemainingSize() < (prUsesFullGuid ? 8u : 1u)
|| (!prUsesFullGuid && !hasFullPackedGuid(packet))) { packet.setReadPos(packet.getSize()); return; }
|| (!prUsesFullGuid && !packet.hasFullPackedGuid())) { packet.setReadPos(packet.getSize()); return; }
uint64_t victim = readPrGuid();
if (packet.getRemainingSize() < 4) return;
uint32_t spellId = packet.readUInt32();
@ -3638,7 +3622,7 @@ void GameHandler::registerOpcodeHandlers() {
if (packet.getRemainingSize() < 4) return;
uint32_t spellId = packet.readUInt32();
if (packet.getRemainingSize() < (spellMissUsesFullGuid ? 8u : 1u)
|| (!spellMissUsesFullGuid && !hasFullPackedGuid(packet))) {
|| (!spellMissUsesFullGuid && !packet.hasFullPackedGuid())) {
packet.setReadPos(packet.getSize()); return;
}
uint64_t casterGuid = readSpellMissGuid();
@ -3661,7 +3645,7 @@ void GameHandler::registerOpcodeHandlers() {
bool truncated = false;
for (uint32_t i = 0; i < rawCount; ++i) {
if (packet.getRemainingSize() < (spellMissUsesFullGuid ? 9u : 2u)
|| (!spellMissUsesFullGuid && !hasFullPackedGuid(packet))) {
|| (!spellMissUsesFullGuid && !packet.hasFullPackedGuid())) {
truncated = true;
return;
}
@ -3935,11 +3919,11 @@ void GameHandler::registerOpcodeHandlers() {
} else {
if (packet.getRemainingSize() < 4) return;
dispelSpellId = packet.readUInt32();
if (!hasFullPackedGuid(packet)) {
if (!packet.hasFullPackedGuid()) {
packet.setReadPos(packet.getSize()); return;
}
dispelCasterGuid = UpdateObjectParser::readPackedGuid(packet);
if (!hasFullPackedGuid(packet)) {
if (!packet.hasFullPackedGuid()) {
packet.setReadPos(packet.getSize()); return;
}
/*uint64_t victim =*/ UpdateObjectParser::readPackedGuid(packet);
@ -4863,12 +4847,12 @@ void GameHandler::registerOpcodeHandlers() {
return UpdateObjectParser::readPackedGuid(packet);
};
if (packet.getRemainingSize() < (energizeTbc ? 8u : 1u)
|| (!energizeTbc && !hasFullPackedGuid(packet))) {
|| (!energizeTbc && !packet.hasFullPackedGuid())) {
packet.setReadPos(packet.getSize()); return;
}
uint64_t victimGuid = readEnergizeGuid();
if (packet.getRemainingSize() < (energizeTbc ? 8u : 1u)
|| (!energizeTbc && !hasFullPackedGuid(packet))) {
|| (!energizeTbc && !packet.hasFullPackedGuid())) {
packet.setReadPos(packet.getSize()); return;
}
uint64_t casterGuid = readEnergizeGuid();
@ -5994,13 +5978,13 @@ void GameHandler::registerOpcodeHandlers() {
if (packet.getRemainingSize() < shieldMinSz) {
packet.setReadPos(packet.getSize()); return;
}
if (!shieldTbc && (!hasFullPackedGuid(packet))) {
if (!shieldTbc && (!packet.hasFullPackedGuid())) {
packet.setReadPos(packet.getSize()); return;
}
uint64_t victimGuid = shieldTbc
? packet.readUInt64() : UpdateObjectParser::readPackedGuid(packet);
if (packet.getRemainingSize() < (shieldTbc ? 8u : 1u)
|| (!shieldTbc && !hasFullPackedGuid(packet))) {
|| (!shieldTbc && !packet.hasFullPackedGuid())) {
packet.setReadPos(packet.getSize()); return;
}
uint64_t casterGuid = shieldTbc
@ -6033,13 +6017,13 @@ void GameHandler::registerOpcodeHandlers() {
if (packet.getRemainingSize() < minSz) {
packet.setReadPos(packet.getSize()); return;
}
if (!immuneUsesFullGuid && !hasFullPackedGuid(packet)) {
if (!immuneUsesFullGuid && !packet.hasFullPackedGuid()) {
packet.setReadPos(packet.getSize()); return;
}
uint64_t casterGuid = immuneUsesFullGuid
? packet.readUInt64() : UpdateObjectParser::readPackedGuid(packet);
if (packet.getRemainingSize() < (immuneUsesFullGuid ? 8u : 2u)
|| (!immuneUsesFullGuid && !hasFullPackedGuid(packet))) {
|| (!immuneUsesFullGuid && !packet.hasFullPackedGuid())) {
packet.setReadPos(packet.getSize()); return;
}
uint64_t victimGuid = immuneUsesFullGuid
@ -6063,13 +6047,13 @@ void GameHandler::registerOpcodeHandlers() {
// + uint32 count + count × (uint32 dispelled_spellId + uint32 unk)
const bool dispelUsesFullGuid = isActiveExpansion("tbc");
if (packet.getRemainingSize() < (dispelUsesFullGuid ? 8u : 1u)
|| (!dispelUsesFullGuid && !hasFullPackedGuid(packet))) {
|| (!dispelUsesFullGuid && !packet.hasFullPackedGuid())) {
packet.setReadPos(packet.getSize()); return;
}
uint64_t casterGuid = dispelUsesFullGuid
? packet.readUInt64() : UpdateObjectParser::readPackedGuid(packet);
if (packet.getRemainingSize() < (dispelUsesFullGuid ? 8u : 1u)
|| (!dispelUsesFullGuid && !hasFullPackedGuid(packet))) {
|| (!dispelUsesFullGuid && !packet.hasFullPackedGuid())) {
packet.setReadPos(packet.getSize()); return;
}
uint64_t victimGuid = dispelUsesFullGuid
@ -6157,13 +6141,13 @@ void GameHandler::registerOpcodeHandlers() {
// TBC: full uint64 victim + full uint64 caster + same tail
const bool stealUsesFullGuid = isActiveExpansion("tbc");
if (packet.getRemainingSize() < (stealUsesFullGuid ? 8u : 1u)
|| (!stealUsesFullGuid && !hasFullPackedGuid(packet))) {
|| (!stealUsesFullGuid && !packet.hasFullPackedGuid())) {
packet.setReadPos(packet.getSize()); return;
}
uint64_t stealVictim = stealUsesFullGuid
? packet.readUInt64() : UpdateObjectParser::readPackedGuid(packet);
if (packet.getRemainingSize() < (stealUsesFullGuid ? 8u : 1u)
|| (!stealUsesFullGuid && !hasFullPackedGuid(packet))) {
|| (!stealUsesFullGuid && !packet.hasFullPackedGuid())) {
packet.setReadPos(packet.getSize()); return;
}
uint64_t stealCaster = stealUsesFullGuid
@ -6231,12 +6215,12 @@ void GameHandler::registerOpcodeHandlers() {
return UpdateObjectParser::readPackedGuid(packet);
};
if (packet.getRemainingSize() < (procChanceUsesFullGuid ? 8u : 1u)
|| (!procChanceUsesFullGuid && !hasFullPackedGuid(packet))) {
|| (!procChanceUsesFullGuid && !packet.hasFullPackedGuid())) {
packet.setReadPos(packet.getSize()); return;
}
uint64_t procTargetGuid = readProcChanceGuid();
if (packet.getRemainingSize() < (procChanceUsesFullGuid ? 8u : 1u)
|| (!procChanceUsesFullGuid && !hasFullPackedGuid(packet))) {
|| (!procChanceUsesFullGuid && !packet.hasFullPackedGuid())) {
packet.setReadPos(packet.getSize()); return;
}
uint64_t procCasterGuid = readProcChanceGuid();
@ -6260,13 +6244,13 @@ void GameHandler::registerOpcodeHandlers() {
const bool ikUsesFullGuid = isActiveExpansion("tbc");
auto ik_rem = [&]() { return packet.getRemainingSize(); };
if (ik_rem() < (ikUsesFullGuid ? 8u : 1u)
|| (!ikUsesFullGuid && !hasFullPackedGuid(packet))) {
|| (!ikUsesFullGuid && !packet.hasFullPackedGuid())) {
packet.setReadPos(packet.getSize()); return;
}
uint64_t ikCaster = ikUsesFullGuid
? packet.readUInt64() : UpdateObjectParser::readPackedGuid(packet);
if (ik_rem() < (ikUsesFullGuid ? 8u : 1u)
|| (!ikUsesFullGuid && !hasFullPackedGuid(packet))) {
|| (!ikUsesFullGuid && !packet.hasFullPackedGuid())) {
packet.setReadPos(packet.getSize()); return;
}
uint64_t ikVictim = ikUsesFullGuid
@ -6310,7 +6294,7 @@ void GameHandler::registerOpcodeHandlers() {
if (packet.getRemainingSize() < (exeUsesFullGuid ? 8u : 1u)) {
packet.setReadPos(packet.getSize()); return;
}
if (!exeUsesFullGuid && !hasFullPackedGuid(packet)) {
if (!exeUsesFullGuid && !packet.hasFullPackedGuid()) {
packet.setReadPos(packet.getSize()); return;
}
uint64_t exeCaster = exeUsesFullGuid
@ -6332,7 +6316,7 @@ void GameHandler::registerOpcodeHandlers() {
// SPELL_EFFECT_POWER_DRAIN: packed_guid target + uint32 amount + uint32 powerType + float multiplier
for (uint32_t li = 0; li < effectLogCount; ++li) {
if (packet.getRemainingSize() < (exeUsesFullGuid ? 8u : 1u)
|| (!exeUsesFullGuid && !hasFullPackedGuid(packet))) {
|| (!exeUsesFullGuid && !packet.hasFullPackedGuid())) {
packet.setReadPos(packet.getSize()); break;
}
uint64_t drainTarget = exeUsesFullGuid
@ -6370,7 +6354,7 @@ void GameHandler::registerOpcodeHandlers() {
// SPELL_EFFECT_HEALTH_LEECH: packed_guid target + uint32 amount + float multiplier
for (uint32_t li = 0; li < effectLogCount; ++li) {
if (packet.getRemainingSize() < (exeUsesFullGuid ? 8u : 1u)
|| (!exeUsesFullGuid && !hasFullPackedGuid(packet))) {
|| (!exeUsesFullGuid && !packet.hasFullPackedGuid())) {
packet.setReadPos(packet.getSize()); break;
}
uint64_t leechTarget = exeUsesFullGuid
@ -6435,7 +6419,7 @@ void GameHandler::registerOpcodeHandlers() {
// SPELL_EFFECT_INTERRUPT_CAST: packed_guid target + uint32 interrupted_spell_id
for (uint32_t li = 0; li < effectLogCount; ++li) {
if (packet.getRemainingSize() < (exeUsesFullGuid ? 8u : 1u)
|| (!exeUsesFullGuid && !hasFullPackedGuid(packet))) {
|| (!exeUsesFullGuid && !packet.hasFullPackedGuid())) {
packet.setReadPos(packet.getSize()); break;
}
uint64_t icTarget = exeUsesFullGuid
@ -6849,13 +6833,13 @@ void GameHandler::registerOpcodeHandlers() {
if (rl_rem() < 4) { packet.setReadPos(packet.getSize()); return; }
/*uint32_t hitInfo =*/ packet.readUInt32();
if (rl_rem() < (rlUsesFullGuid ? 8u : 1u)
|| (!rlUsesFullGuid && !hasFullPackedGuid(packet))) {
|| (!rlUsesFullGuid && !packet.hasFullPackedGuid())) {
packet.setReadPos(packet.getSize()); return;
}
uint64_t attackerGuid = rlUsesFullGuid
? packet.readUInt64() : UpdateObjectParser::readPackedGuid(packet);
if (rl_rem() < (rlUsesFullGuid ? 8u : 1u)
|| (!rlUsesFullGuid && !hasFullPackedGuid(packet))) {
|| (!rlUsesFullGuid && !packet.hasFullPackedGuid())) {
packet.setReadPos(packet.getSize()); return;
}
uint64_t victimGuid = rlUsesFullGuid

View file

@ -9,22 +9,6 @@ namespace game {
namespace {
bool hasFullPackedGuid(const network::Packet& packet) {
if (packet.getReadPos() >= packet.getSize()) {
return false;
}
const auto& rawData = packet.getData();
const uint8_t mask = rawData[packet.getReadPos()];
size_t guidBytes = 1;
for (int bit = 0; bit < 8; ++bit) {
if ((mask & (1u << bit)) != 0) {
++guidBytes;
}
}
return packet.getRemainingSize() >= guidBytes;
}
std::string formatPacketBytes(const network::Packet& packet, size_t startPos) {
const auto& rawData = packet.getData();
if (startPos >= rawData.size()) {
@ -52,7 +36,7 @@ bool skipClassicSpellCastTargets(network::Packet& packet, uint64_t* primaryTarge
const uint16_t targetFlags = packet.readUInt16();
const auto readPackedTargetGuid = [&](bool capture) -> bool {
if (!hasFullPackedGuid(packet)) {
if (!packet.hasFullPackedGuid()) {
return false;
}
const uint64_t guid = UpdateObjectParser::readPackedGuid(packet);
@ -509,12 +493,12 @@ bool ClassicPacketParsers::parseSpellStart(network::Packet& packet, SpellStartDa
const size_t startPos = packet.getReadPos();
if (rem() < 2) return false;
if (!hasFullPackedGuid(packet)) {
if (!packet.hasFullPackedGuid()) {
packet.setReadPos(startPos);
return false;
}
data.casterGuid = UpdateObjectParser::readPackedGuid(packet);
if (!hasFullPackedGuid(packet)) {
if (!packet.hasFullPackedGuid()) {
packet.setReadPos(startPos);
return false;
}
@ -584,9 +568,9 @@ bool ClassicPacketParsers::parseSpellGo(network::Packet& packet, SpellGoData& da
};
if (rem() < 2) return false;
if (!hasFullPackedGuid(packet)) return false;
if (!packet.hasFullPackedGuid()) return false;
data.casterGuid = UpdateObjectParser::readPackedGuid(packet);
if (!hasFullPackedGuid(packet)) return false;
if (!packet.hasFullPackedGuid()) return false;
data.casterUnit = UpdateObjectParser::readPackedGuid(packet);
// Vanilla/Turtle SMSG_SPELL_GO does not include castCount here.
@ -635,7 +619,7 @@ bool ClassicPacketParsers::parseSpellGo(network::Packet& packet, SpellGoData& da
for (uint16_t i = 0; i < rawHitCount; ++i) {
uint64_t targetGuid = 0;
if (usePackedGuids) {
if (!hasFullPackedGuid(packet)) {
if (!packet.hasFullPackedGuid()) {
return false;
}
targetGuid = UpdateObjectParser::readPackedGuid(packet);
@ -708,7 +692,7 @@ bool ClassicPacketParsers::parseSpellGo(network::Packet& packet, SpellGoData& da
bool truncatedMissTargets = false;
const auto parseMissEntry = [&](SpellGoMissEntry& m, bool usePackedGuid) -> bool {
if (usePackedGuid) {
if (!hasFullPackedGuid(packet)) {
if (!packet.hasFullPackedGuid()) {
return false;
}
m.targetGuid = UpdateObjectParser::readPackedGuid(packet);
@ -797,12 +781,12 @@ bool ClassicPacketParsers::parseAttackerStateUpdate(network::Packet& packet, Att
const size_t startPos = packet.getReadPos();
data.hitInfo = packet.readUInt32();
if (!hasFullPackedGuid(packet)) {
if (!packet.hasFullPackedGuid()) {
packet.setReadPos(startPos);
return false;
}
data.attackerGuid = UpdateObjectParser::readPackedGuid(packet); // PackedGuid in Vanilla
if (!hasFullPackedGuid(packet)) {
if (!packet.hasFullPackedGuid()) {
packet.setReadPos(startPos);
return false;
}
@ -863,10 +847,10 @@ bool ClassicPacketParsers::parseAttackerStateUpdate(network::Packet& packet, Att
// ============================================================================
bool ClassicPacketParsers::parseSpellDamageLog(network::Packet& packet, SpellDamageLogData& data) {
auto rem = [&]() { return packet.getRemainingSize(); };
if (rem() < 2 || !hasFullPackedGuid(packet)) return false;
if (rem() < 2 || !packet.hasFullPackedGuid()) return false;
data.targetGuid = UpdateObjectParser::readPackedGuid(packet); // PackedGuid in Vanilla
if (rem() < 1 || !hasFullPackedGuid(packet)) return false;
if (rem() < 1 || !packet.hasFullPackedGuid()) return false;
data.attackerGuid = UpdateObjectParser::readPackedGuid(packet); // PackedGuid in Vanilla
// uint32(spellId) + uint32(damage) + uint8(schoolMask) + uint32(absorbed)
@ -898,10 +882,10 @@ bool ClassicPacketParsers::parseSpellDamageLog(network::Packet& packet, SpellDam
// ============================================================================
bool ClassicPacketParsers::parseSpellHealLog(network::Packet& packet, SpellHealLogData& data) {
auto rem = [&]() { return packet.getRemainingSize(); };
if (rem() < 2 || !hasFullPackedGuid(packet)) return false;
if (rem() < 2 || !packet.hasFullPackedGuid()) return false;
data.targetGuid = UpdateObjectParser::readPackedGuid(packet); // PackedGuid in Vanilla
if (rem() < 1 || !hasFullPackedGuid(packet)) return false;
if (rem() < 1 || !packet.hasFullPackedGuid()) return false;
data.casterGuid = UpdateObjectParser::readPackedGuid(packet); // PackedGuid in Vanilla
if (rem() < 13) return false; // uint32 + uint32 + uint32 + uint8 = 13 bytes

View file

@ -3391,12 +3391,12 @@ bool AttackerStateUpdateParser::parse(network::Packet& packet, AttackerStateUpda
size_t startPos = packet.getReadPos();
data.hitInfo = packet.readUInt32();
if (!hasFullPackedGuid(packet)) {
if (!packet.hasFullPackedGuid()) {
packet.setReadPos(startPos);
return false;
}
data.attackerGuid = UpdateObjectParser::readPackedGuid(packet);
if (!hasFullPackedGuid(packet)) {
if (!packet.hasFullPackedGuid()) {
packet.setReadPos(startPos);
return false;
}
@ -3478,12 +3478,12 @@ bool SpellDamageLogParser::parse(network::Packet& packet, SpellDamageLogData& da
if (packet.getRemainingSize() < 33) return false;
size_t startPos = packet.getReadPos();
if (!hasFullPackedGuid(packet)) {
if (!packet.hasFullPackedGuid()) {
packet.setReadPos(startPos);
return false;
}
data.targetGuid = UpdateObjectParser::readPackedGuid(packet);
if (!hasFullPackedGuid(packet)) {
if (!packet.hasFullPackedGuid()) {
packet.setReadPos(startPos);
return false;
}
@ -3528,12 +3528,12 @@ bool SpellHealLogParser::parse(network::Packet& packet, SpellHealLogData& data)
if (packet.getRemainingSize() < 21) return false;
size_t startPos = packet.getReadPos();
if (!hasFullPackedGuid(packet)) {
if (!packet.hasFullPackedGuid()) {
packet.setReadPos(startPos);
return false;
}
data.targetGuid = UpdateObjectParser::readPackedGuid(packet);
if (!hasFullPackedGuid(packet)) {
if (!packet.hasFullPackedGuid()) {
packet.setReadPos(startPos);
return false;
}
@ -3765,11 +3765,11 @@ bool SpellStartParser::parse(network::Packet& packet, SpellStartData& data) {
if (packet.getRemainingSize() < 15) return false;
size_t startPos = packet.getReadPos();
if (!hasFullPackedGuid(packet)) {
if (!packet.hasFullPackedGuid()) {
return false;
}
data.casterGuid = UpdateObjectParser::readPackedGuid(packet);
if (!hasFullPackedGuid(packet)) {
if (!packet.hasFullPackedGuid()) {
packet.setReadPos(startPos);
return false;
}
@ -3799,13 +3799,13 @@ bool SpellStartParser::parse(network::Packet& packet, SpellStartData& data) {
uint32_t targetFlags = packet.readUInt32();
auto readPackedTarget = [&](uint64_t* out) -> bool {
if (!hasFullPackedGuid(packet)) return false;
if (!packet.hasFullPackedGuid()) return false;
uint64_t g = UpdateObjectParser::readPackedGuid(packet);
if (out) *out = g;
return true;
};
auto skipPackedAndFloats3 = [&]() -> bool {
if (!hasFullPackedGuid(packet)) return false;
if (!packet.hasFullPackedGuid()) return false;
UpdateObjectParser::readPackedGuid(packet); // transport GUID (may be zero)
if (packet.getRemainingSize() < 12) return false;
packet.readFloat(); packet.readFloat(); packet.readFloat();
@ -3846,11 +3846,11 @@ bool SpellGoParser::parse(network::Packet& packet, SpellGoData& data) {
if (packet.getRemainingSize() < 16) return false;
size_t startPos = packet.getReadPos();
if (!hasFullPackedGuid(packet)) {
if (!packet.hasFullPackedGuid()) {
return false;
}
data.casterGuid = UpdateObjectParser::readPackedGuid(packet);
if (!hasFullPackedGuid(packet)) {
if (!packet.hasFullPackedGuid()) {
packet.setReadPos(startPos);
return false;
}
@ -3974,13 +3974,13 @@ bool SpellGoParser::parse(network::Packet& packet, SpellGoData& data) {
uint32_t targetFlags = packet.readUInt32();
auto readPackedTarget = [&](uint64_t* out) -> bool {
if (!hasFullPackedGuid(packet)) return false;
if (!packet.hasFullPackedGuid()) return false;
uint64_t g = UpdateObjectParser::readPackedGuid(packet);
if (out) *out = g;
return true;
};
auto skipPackedAndFloats3 = [&]() -> bool {
if (!hasFullPackedGuid(packet)) return false;
if (!packet.hasFullPackedGuid()) return false;
UpdateObjectParser::readPackedGuid(packet); // transport GUID
if (packet.getRemainingSize() < 12) return false;
packet.readFloat(); packet.readFloat(); packet.readFloat();