Kelsidavis-WoWee/src/game/packet_parsers_classic.cpp
Kelsi 6b392a5dd8 Add chat channels, chat settings, and fix missing chat text
Fix WotLK chat parser not stripping null terminators from messages,
fix channel message local echo missing channelName, expand default
channels to General/Trade/LocalDefense/LookingForGroup with
configurable auto-join, add Classic packet format for join/leave
channel, display channel index prefix in chat, and add Chat settings
tab with timestamps, font size, and auto-join toggles.
2026-02-14 18:27:59 -08:00

584 lines
23 KiB
C++

#include "game/packet_parsers.hpp"
#include "core/logger.hpp"
namespace wowee {
namespace game {
// ============================================================================
// Classic 1.12.1 movement flag constants
// Key differences from TBC:
// - SPLINE_ENABLED at 0x00400000 (TBC/WotLK: 0x08000000)
// - No FLYING flag (flight was added in TBC)
// - ONTRANSPORT at 0x02000000 (not used for pitch in Classic)
// Same as TBC: ON_TRANSPORT=0x200, JUMPING=0x2000, SWIMMING=0x200000,
// SPLINE_ELEVATION=0x04000000
// ============================================================================
namespace ClassicMoveFlags {
constexpr uint32_t ONTRANSPORT = 0x02000000; // Gates transport data (vmangos authoritative)
constexpr uint32_t JUMPING = 0x00002000; // Gates jump data
constexpr uint32_t SWIMMING = 0x00200000; // Gates pitch
constexpr uint32_t SPLINE_ENABLED = 0x00400000; // TBC/WotLK: 0x08000000
constexpr uint32_t SPLINE_ELEVATION = 0x04000000; // Same as TBC
}
// ============================================================================
// Classic parseMovementBlock
// Key differences from TBC:
// - NO moveFlags2 (TBC reads u8, WotLK reads u16)
// - SPLINE_ENABLED at 0x00400000 (not 0x08000000)
// - Transport data: NO timestamp (TBC adds u32 timestamp)
// - Pitch: only SWIMMING (no ONTRANSPORT secondary pitch, no FLYING)
// Same as TBC: u8 UpdateFlags, JUMPING=0x2000, 8 speeds, no pitchRate
// ============================================================================
bool ClassicPacketParsers::parseMovementBlock(network::Packet& packet, UpdateBlock& block) {
// Classic: UpdateFlags is uint8 (same as TBC)
uint8_t updateFlags = packet.readUInt8();
block.updateFlags = static_cast<uint16_t>(updateFlags);
LOG_DEBUG(" [Classic] UpdateFlags: 0x", std::hex, (int)updateFlags, std::dec);
const uint8_t UPDATEFLAG_LIVING = 0x20;
const uint8_t UPDATEFLAG_HAS_POSITION = 0x40;
const uint8_t UPDATEFLAG_HAS_TARGET = 0x04;
const uint8_t UPDATEFLAG_TRANSPORT = 0x02;
const uint8_t UPDATEFLAG_LOWGUID = 0x08;
const uint8_t UPDATEFLAG_HIGHGUID = 0x10;
if (updateFlags & UPDATEFLAG_LIVING) {
// Movement flags (u32 only — NO extra flags byte in Classic)
uint32_t moveFlags = packet.readUInt32();
/*uint32_t time =*/ packet.readUInt32();
// Position
block.x = packet.readFloat();
block.y = packet.readFloat();
block.z = packet.readFloat();
block.orientation = packet.readFloat();
block.hasMovement = true;
LOG_DEBUG(" [Classic] LIVING: (", block.x, ", ", block.y, ", ", block.z,
"), o=", block.orientation, " moveFlags=0x", std::hex, moveFlags, std::dec);
// Transport data (Classic: ONTRANSPORT=0x02000000, no timestamp)
if (moveFlags & ClassicMoveFlags::ONTRANSPORT) {
block.onTransport = true;
block.transportGuid = UpdateObjectParser::readPackedGuid(packet);
block.transportX = packet.readFloat();
block.transportY = packet.readFloat();
block.transportZ = packet.readFloat();
block.transportO = packet.readFloat();
// Classic: NO transport timestamp (TBC adds u32 timestamp)
// Classic: NO transport seat byte
}
// Pitch (Classic: only SWIMMING, no FLYING or ONTRANSPORT pitch)
if (moveFlags & ClassicMoveFlags::SWIMMING) {
/*float pitch =*/ packet.readFloat();
}
// Fall time (always present)
/*uint32_t fallTime =*/ packet.readUInt32();
// Jumping (Classic: JUMPING=0x2000, same as TBC)
if (moveFlags & ClassicMoveFlags::JUMPING) {
/*float jumpVelocity =*/ packet.readFloat();
/*float jumpSinAngle =*/ packet.readFloat();
/*float jumpCosAngle =*/ packet.readFloat();
/*float jumpXYSpeed =*/ packet.readFloat();
}
// Spline elevation
if (moveFlags & ClassicMoveFlags::SPLINE_ELEVATION) {
/*float splineElevation =*/ packet.readFloat();
}
// Speeds (Classic: 6 values — no flight speeds, no pitchRate)
// TBC added flying_speed + backwards_flying_speed (8 total)
// WotLK added pitchRate (9 total)
/*float walkSpeed =*/ packet.readFloat();
float runSpeed = packet.readFloat();
/*float runBackSpeed =*/ packet.readFloat();
/*float swimSpeed =*/ packet.readFloat();
/*float swimBackSpeed =*/ packet.readFloat();
/*float turnRate =*/ packet.readFloat();
block.runSpeed = runSpeed;
// Spline data (Classic: SPLINE_ENABLED=0x00400000)
if (moveFlags & ClassicMoveFlags::SPLINE_ENABLED) {
uint32_t splineFlags = packet.readUInt32();
LOG_DEBUG(" [Classic] Spline: flags=0x", std::hex, splineFlags, std::dec);
if (splineFlags & 0x00010000) { // FINAL_POINT
/*float finalX =*/ packet.readFloat();
/*float finalY =*/ packet.readFloat();
/*float finalZ =*/ packet.readFloat();
} else if (splineFlags & 0x00020000) { // FINAL_TARGET
/*uint64_t finalTarget =*/ packet.readUInt64();
} else if (splineFlags & 0x00040000) { // FINAL_ANGLE
/*float finalAngle =*/ packet.readFloat();
}
// Classic spline: timePassed, duration, id, nodes, finalNode (same as TBC)
/*uint32_t timePassed =*/ packet.readUInt32();
/*uint32_t duration =*/ packet.readUInt32();
/*uint32_t splineId =*/ packet.readUInt32();
uint32_t pointCount = packet.readUInt32();
if (pointCount > 256) {
LOG_WARNING(" [Classic] Spline pointCount=", pointCount, " exceeds max, capping");
pointCount = 0;
}
for (uint32_t i = 0; i < pointCount; i++) {
/*float px =*/ packet.readFloat();
/*float py =*/ packet.readFloat();
/*float pz =*/ packet.readFloat();
}
// Classic: NO splineMode byte
/*float endPointX =*/ packet.readFloat();
/*float endPointY =*/ packet.readFloat();
/*float endPointZ =*/ packet.readFloat();
}
}
else if (updateFlags & UPDATEFLAG_HAS_POSITION) {
block.x = packet.readFloat();
block.y = packet.readFloat();
block.z = packet.readFloat();
block.orientation = packet.readFloat();
block.hasMovement = true;
LOG_DEBUG(" [Classic] STATIONARY: (", block.x, ", ", block.y, ", ", block.z, ")");
}
// Target GUID
if (updateFlags & UPDATEFLAG_HAS_TARGET) {
/*uint64_t targetGuid =*/ UpdateObjectParser::readPackedGuid(packet);
}
// Transport time
if (updateFlags & UPDATEFLAG_TRANSPORT) {
/*uint32_t transportTime =*/ packet.readUInt32();
}
// Low GUID
if (updateFlags & UPDATEFLAG_LOWGUID) {
/*uint32_t lowGuid =*/ packet.readUInt32();
}
// High GUID
if (updateFlags & UPDATEFLAG_HIGHGUID) {
/*uint32_t highGuid =*/ packet.readUInt32();
}
return true;
}
// ============================================================================
// Classic writeMovementPayload
// Key differences from TBC:
// - NO flags2 byte (TBC writes u8)
// - Transport data: NO timestamp
// - Pitch: only SWIMMING (no ONTRANSPORT pitch)
// ============================================================================
void ClassicPacketParsers::writeMovementPayload(network::Packet& packet, const MovementInfo& info) {
// Movement flags (uint32)
packet.writeUInt32(info.flags);
// Classic: NO flags2 byte (TBC has u8, WotLK has u16)
// Timestamp
packet.writeUInt32(info.time);
// Position
packet.writeBytes(reinterpret_cast<const uint8_t*>(&info.x), sizeof(float));
packet.writeBytes(reinterpret_cast<const uint8_t*>(&info.y), sizeof(float));
packet.writeBytes(reinterpret_cast<const uint8_t*>(&info.z), sizeof(float));
packet.writeBytes(reinterpret_cast<const uint8_t*>(&info.orientation), sizeof(float));
// Transport data (Classic ONTRANSPORT = 0x02000000, no timestamp)
if (info.flags & ClassicMoveFlags::ONTRANSPORT) {
// Packed transport GUID
uint8_t transMask = 0;
uint8_t transGuidBytes[8];
int transGuidByteCount = 0;
for (int i = 0; i < 8; i++) {
uint8_t byte = static_cast<uint8_t>((info.transportGuid >> (i * 8)) & 0xFF);
if (byte != 0) {
transMask |= (1 << i);
transGuidBytes[transGuidByteCount++] = byte;
}
}
packet.writeUInt8(transMask);
for (int i = 0; i < transGuidByteCount; i++) {
packet.writeUInt8(transGuidBytes[i]);
}
// Transport local position
packet.writeBytes(reinterpret_cast<const uint8_t*>(&info.transportX), sizeof(float));
packet.writeBytes(reinterpret_cast<const uint8_t*>(&info.transportY), sizeof(float));
packet.writeBytes(reinterpret_cast<const uint8_t*>(&info.transportZ), sizeof(float));
packet.writeBytes(reinterpret_cast<const uint8_t*>(&info.transportO), sizeof(float));
// Classic: NO transport timestamp
// Classic: NO transport seat byte
}
// Pitch (Classic: only SWIMMING)
if (info.flags & ClassicMoveFlags::SWIMMING) {
packet.writeBytes(reinterpret_cast<const uint8_t*>(&info.pitch), sizeof(float));
}
// Fall time (always present)
packet.writeUInt32(info.fallTime);
// Jump data (Classic JUMPING = 0x2000)
if (info.flags & ClassicMoveFlags::JUMPING) {
packet.writeBytes(reinterpret_cast<const uint8_t*>(&info.jumpVelocity), sizeof(float));
packet.writeBytes(reinterpret_cast<const uint8_t*>(&info.jumpSinAngle), sizeof(float));
packet.writeBytes(reinterpret_cast<const uint8_t*>(&info.jumpCosAngle), sizeof(float));
packet.writeBytes(reinterpret_cast<const uint8_t*>(&info.jumpXYSpeed), sizeof(float));
}
}
// ============================================================================
// Classic buildMovementPacket
// Classic/TBC: client movement packets do NOT include PackedGuid prefix
// (WotLK added PackedGuid to client packets)
// ============================================================================
network::Packet ClassicPacketParsers::buildMovementPacket(LogicalOpcode opcode,
const MovementInfo& info,
uint64_t /*playerGuid*/) {
network::Packet packet(wireOpcode(opcode));
// Classic: NO PackedGuid prefix for client packets
writeMovementPayload(packet, info);
return packet;
}
// ============================================================================
// Classic buildCastSpell
// Vanilla 1.12.x: NO castCount prefix, NO castFlags byte
// Format: uint32 spellId + uint32 targetFlags + [PackedGuid if unit target]
// ============================================================================
network::Packet ClassicPacketParsers::buildCastSpell(uint32_t spellId, uint64_t targetGuid, uint8_t /*castCount*/) {
network::Packet packet(wireOpcode(LogicalOpcode::CMSG_CAST_SPELL));
packet.writeUInt32(spellId);
// SpellCastTargets — vanilla/CMaNGOS uses uint32 target mask (same as WotLK)
if (targetGuid != 0) {
packet.writeUInt32(0x02); // TARGET_FLAG_UNIT
// Write packed GUID
uint8_t mask = 0;
uint8_t bytes[8];
int byteCount = 0;
uint64_t g = targetGuid;
for (int i = 0; i < 8; ++i) {
uint8_t b = g & 0xFF;
if (b != 0) {
mask |= (1 << i);
bytes[byteCount++] = b;
}
g >>= 8;
}
packet.writeUInt8(mask);
for (int i = 0; i < byteCount; ++i) {
packet.writeUInt8(bytes[i]);
}
} else {
packet.writeUInt32(0x00); // TARGET_FLAG_SELF
}
return packet;
}
// ============================================================================
// Classic SMSG_CAST_FAILED: no castCount byte (added in TBC/WotLK)
// Format: spellId(u32) + result(u8)
// ============================================================================
bool ClassicPacketParsers::parseCastFailed(network::Packet& packet, CastFailedData& data) {
data.castCount = 0;
data.spellId = packet.readUInt32();
data.result = packet.readUInt8();
LOG_INFO("[Classic] Cast failed: spell=", data.spellId, " result=", (int)data.result);
return true;
}
// ============================================================================
// Classic 1.12.1 parseCharEnum
// Differences from TBC:
// - Equipment: 20 items, but NO enchantment field per slot
// Classic: displayId(u32) + inventoryType(u8) = 5 bytes/slot
// TBC/WotLK: displayId(u32) + inventoryType(u8) + enchant(u32) = 9 bytes/slot
// - After flags: uint8 firstLogin (same as TBC)
// ============================================================================
bool ClassicPacketParsers::parseCharEnum(network::Packet& packet, CharEnumResponse& response) {
uint8_t count = packet.readUInt8();
LOG_INFO("[Classic] Parsing SMSG_CHAR_ENUM: ", (int)count, " characters");
response.characters.clear();
response.characters.reserve(count);
for (uint8_t i = 0; i < count; ++i) {
Character character;
// GUID (8 bytes)
character.guid = packet.readUInt64();
// Name (null-terminated string)
character.name = packet.readString();
// Race, class, gender
character.race = static_cast<Race>(packet.readUInt8());
character.characterClass = static_cast<Class>(packet.readUInt8());
character.gender = static_cast<Gender>(packet.readUInt8());
// Appearance (5 bytes: skin, face, hairStyle, hairColor packed + facialFeatures)
character.appearanceBytes = packet.readUInt32();
character.facialFeatures = packet.readUInt8();
// Level
character.level = packet.readUInt8();
// Location
character.zoneId = packet.readUInt32();
character.mapId = packet.readUInt32();
character.x = packet.readFloat();
character.y = packet.readFloat();
character.z = packet.readFloat();
// Guild ID
character.guildId = packet.readUInt32();
// Flags
character.flags = packet.readUInt32();
// Classic: uint8 firstLogin (same as TBC)
/*uint8_t firstLogin =*/ packet.readUInt8();
// Pet data (always present)
character.pet.displayModel = packet.readUInt32();
character.pet.level = packet.readUInt32();
character.pet.family = packet.readUInt32();
// Equipment (Classic: 20 items, NO enchantment field)
character.equipment.reserve(20);
for (int j = 0; j < 20; ++j) {
EquipmentItem item;
item.displayModel = packet.readUInt32();
item.inventoryType = packet.readUInt8();
item.enchantment = 0; // Classic has no enchant field in char enum
character.equipment.push_back(item);
}
LOG_INFO(" Character ", (int)(i + 1), ": ", character.name);
LOG_INFO(" GUID: 0x", std::hex, character.guid, std::dec);
LOG_INFO(" ", getRaceName(character.race), " ",
getClassName(character.characterClass), " (",
getGenderName(character.gender), ")");
LOG_INFO(" Level: ", (int)character.level);
LOG_INFO(" Location: Zone ", character.zoneId, ", Map ", character.mapId);
response.characters.push_back(character);
}
LOG_INFO("[Classic] Parsed ", response.characters.size(), " characters");
return true;
}
// ============================================================================
// Classic 1.12.1 parseMessageChat
// Differences from WotLK:
// - NO uint32 unknown field after senderGuid
// - CHANNEL type: channelName + rank(u32) + senderGuid (not just channelName)
// - No ACHIEVEMENT/GUILD_ACHIEVEMENT types
// ============================================================================
bool ClassicPacketParsers::parseMessageChat(network::Packet& packet, MessageChatData& data) {
if (packet.getSize() < 10) {
LOG_ERROR("[Classic] SMSG_MESSAGECHAT packet too small: ", packet.getSize(), " bytes");
return false;
}
// Read chat type
uint8_t typeVal = packet.readUInt8();
data.type = static_cast<ChatType>(typeVal);
// Read language
uint32_t langVal = packet.readUInt32();
data.language = static_cast<ChatLanguage>(langVal);
// Classic: NO uint32 unknown field here (WotLK has one)
// Type-specific data
switch (data.type) {
case ChatType::MONSTER_SAY:
case ChatType::MONSTER_YELL:
case ChatType::MONSTER_EMOTE: {
// nameLen(u32) + name + targetGuid(u64)
uint32_t nameLen = packet.readUInt32();
if (nameLen > 0 && nameLen < 256) {
data.senderName.resize(nameLen);
for (uint32_t i = 0; i < nameLen; ++i) {
data.senderName[i] = static_cast<char>(packet.readUInt8());
}
// Remove null terminator if present
if (!data.senderName.empty() && data.senderName.back() == '\0') {
data.senderName.pop_back();
}
}
data.receiverGuid = packet.readUInt64();
break;
}
case ChatType::CHANNEL: {
// channelName(string) + rank(u32) + senderGuid(u64)
data.channelName = packet.readString();
/*uint32_t rank =*/ packet.readUInt32();
data.senderGuid = packet.readUInt64();
break;
}
default: {
// Most types: senderGuid(u64)
data.senderGuid = packet.readUInt64();
break;
}
}
// Classic SAY/YELL/PARTY/GUILD/etc: NO second GUID before message.
// Only WHISPER_INFORM has a receiver GUID (same as sender for echo).
// Do NOT read an extra uint64 here — it would consume messageLen + message bytes.
// Read message length
uint32_t messageLen = packet.readUInt32();
// Read message
if (messageLen > 0 && messageLen < 8192) {
data.message.resize(messageLen);
for (uint32_t i = 0; i < messageLen; ++i) {
data.message[i] = static_cast<char>(packet.readUInt8());
}
// Remove null terminator if present
if (!data.message.empty() && data.message.back() == '\0') {
data.message.pop_back();
}
}
// Read chat tag
if (packet.getReadPos() < packet.getSize()) {
data.chatTag = packet.readUInt8();
}
LOG_INFO("[Classic] Parsed SMSG_MESSAGECHAT:");
LOG_INFO(" Type: ", getChatTypeString(data.type));
LOG_INFO(" Sender GUID: 0x", std::hex, data.senderGuid, std::dec);
if (!data.senderName.empty()) {
LOG_INFO(" Sender name: ", data.senderName);
}
if (!data.channelName.empty()) {
LOG_INFO(" Channel: ", data.channelName);
}
LOG_INFO(" Message: ", data.message);
return true;
}
// ============================================================================
// Classic CMSG_JOIN_CHANNEL / CMSG_LEAVE_CHANNEL
// Classic format: just string channelName + string password (no channelId/hasVoice/joinedByZone)
// ============================================================================
network::Packet ClassicPacketParsers::buildJoinChannel(const std::string& channelName, const std::string& password) {
network::Packet packet(wireOpcode(Opcode::CMSG_JOIN_CHANNEL));
packet.writeString(channelName);
packet.writeString(password);
LOG_DEBUG("[Classic] Built CMSG_JOIN_CHANNEL: channel=", channelName);
return packet;
}
network::Packet ClassicPacketParsers::buildLeaveChannel(const std::string& channelName) {
network::Packet packet(wireOpcode(Opcode::CMSG_LEAVE_CHANNEL));
packet.writeString(channelName);
LOG_DEBUG("[Classic] Built CMSG_LEAVE_CHANNEL: channel=", channelName);
return packet;
}
// ============================================================================
// Classic guild roster parser
// Differences from WotLK:
// - No rankCount field (fixed 10 ranks, read rights only)
// - No per-rank bank tab data
// - No gender byte per member
// ============================================================================
bool ClassicPacketParsers::parseGuildRoster(network::Packet& packet, GuildRosterData& data) {
if (packet.getSize() < 4) {
LOG_ERROR("Classic SMSG_GUILD_ROSTER too small: ", packet.getSize());
return false;
}
uint32_t numMembers = packet.readUInt32();
data.motd = packet.readString();
data.guildInfo = packet.readString();
// Classic: fixed 10 ranks, just uint32 rights each (no goldLimit, no bank tabs)
data.ranks.resize(10);
for (int i = 0; i < 10; ++i) {
data.ranks[i].rights = packet.readUInt32();
data.ranks[i].goldLimit = 0;
}
data.members.resize(numMembers);
for (uint32_t i = 0; i < numMembers; ++i) {
auto& m = data.members[i];
m.guid = packet.readUInt64();
m.online = (packet.readUInt8() != 0);
m.name = packet.readString();
m.rankIndex = packet.readUInt32();
m.level = packet.readUInt8();
m.classId = packet.readUInt8();
// Classic: NO gender byte
m.gender = 0;
m.zoneId = packet.readUInt32();
if (!m.online) {
m.lastOnline = packet.readFloat();
}
m.publicNote = packet.readString();
m.officerNote = packet.readString();
}
LOG_INFO("Parsed Classic SMSG_GUILD_ROSTER: ", numMembers, " members");
return true;
}
// ============================================================================
// Classic guild query response parser
// Differences from WotLK:
// - No trailing rankCount uint32
// ============================================================================
bool ClassicPacketParsers::parseGuildQueryResponse(network::Packet& packet, GuildQueryResponseData& data) {
if (packet.getSize() < 8) {
LOG_ERROR("Classic SMSG_GUILD_QUERY_RESPONSE too small: ", packet.getSize());
return false;
}
data.guildId = packet.readUInt32();
data.guildName = packet.readString();
for (int i = 0; i < 10; ++i) {
data.rankNames[i] = packet.readString();
}
data.emblemStyle = packet.readUInt32();
data.emblemColor = packet.readUInt32();
data.borderStyle = packet.readUInt32();
data.borderColor = packet.readUInt32();
data.backgroundColor = packet.readUInt32();
// Classic: NO trailing rankCount
data.rankCount = 10;
LOG_INFO("Parsed Classic SMSG_GUILD_QUERY_RESPONSE: guild=", data.guildName);
return true;
}
} // namespace game
} // namespace wowee