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DarkflameServer/dNet/WorldPackets.h
Aaron Kimbrell 130f3566cc wire: guild packets and DisplayGuildCreateBox as structs 
The guild packets of the 1.10.64 client (docs/Guilds.md) as Serialize/Deserialize structs, laid out the way the client's
packet handlers read them: GUILD_CREATE_RESPONSE, GUILD_INVITE, GUILD_INVITE_INITIAL_RESPONSE, _FINAL_RESPONSE,
_CONFIRM, GUILD_ADD_PLAYER, GUILD_REMOVE_PLAYER, GUILD_LOGIN_LOGOUT and GUILD_DATA (ClientPackets), the world packet
TMP_GUILD_CREATE the create box sends, the chat packets the client sends through its world (GUILD_INVITE,
GUILD_INVITE_RESPONSE, GUILD_LEAVE, GUILD_GET_ALL), DLU's world <-> chat packets (GUILD_CREATE, GUILD_KICK,
GUILD_GET_STATUS as the chat server's guild update to a world, and GUILD_SET_RANK and GUILD_DISBAND appended to
MessageType::Chat after CREATE_TEAM) and the game message DisplayGuildCreateBox (626). Fixed-size names always keep a
NUL, since the client reads them as C strings. Enums eGuildCreateResponse, eGuildInviteResponse,
eGuildInviteFinalResponse, eGuildRank and eGuildLeaveReason. Nothing sends them yet.

Check: GuildPacketsTests compares every packet with the bytes at the client's offsets. Nothing to check in game.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
2026-09-29 06:48:40 -05:00

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#ifndef WORLDPACKETS_H
#define WORLDPACKETS_H
#include "BitStreamUtils.h"
#include "ChatPackets.h"
#include "dCommonVars.h"
#include "eFunnessTypes.h"
#include "eUgcResourceType.h"
#include "MessageType/Game.h"
#include "MessageType/World.h"
#include "PositionUpdate.h"
#include "RakNetTypes.h"
#include <array>
#include <cstdint>
#include <string>
#include <vector>
// Packets of ServiceType::WORLD: what a client sends to a world server. The server's answers are ClientPackets.
// The structs only read and write bytes; the world server attaches the handlers (see WorldServer.cpp).
namespace WorldPackets {
// Base of every world packet: the dispatcher sets sysAddr before Deserialize and Handle.
struct WorldLUBitStream : public LUBitStream {
SystemAddress sysAddr = UNASSIGNED_SYSTEM_ADDRESS;
WorldLUBitStream() = default;
template<typename T>
WorldLUBitStream(T internalPacketID) : LUBitStream(ServiceType::WORLD, internalPacketID) {}
};
// Client -> server. Who the client is and the session key auth gave it.
struct Validation : public WorldLUBitStream {
LUWString username{ 33 };
LUWString sessionKey{ 33 };
LUString fdbChecksum{ 32 };
// The client may send one more byte after the checksum (a null terminator); it is ignored.
Validation() : WorldLUBitStream(MessageType::World::VALIDATION) {}
void Serialize(RakNet::BitStream& bitStream) const override;
bool Deserialize(RakNet::BitStream& bitStream) override;
};
// Client -> server. No payload.
struct CharacterListRequest : public WorldLUBitStream {
CharacterListRequest() : WorldLUBitStream(MessageType::World::CHARACTER_LIST_REQUEST) {}
};
// Client -> server. A new character from the character creator.
struct CharacterCreateRequest : public WorldLUBitStream {
LUWString name{ 33 };
uint32_t firstNameIndex{};
uint32_t middleNameIndex{};
uint32_t lastNameIndex{};
std::array<uint8_t, 9> unknown{}; // Not used by DLU
uint32_t shirtColor{};
uint32_t shirtStyle{};
uint32_t pantsColor{};
uint32_t hairStyle{};
uint32_t hairColor{};
uint32_t leftHand{};
uint32_t rightHand{};
uint32_t eyebrows{};
uint32_t eyes{};
uint32_t mouth{};
// The client sends one more byte; it is ignored.
CharacterCreateRequest() : WorldLUBitStream(MessageType::World::CHARACTER_CREATE_REQUEST) {}
void Serialize(RakNet::BitStream& bitStream) const override;
bool Deserialize(RakNet::BitStream& bitStream) override;
};
// Client -> server. The character the player picked to play.
struct CharacterLoginRequest : public WorldLUBitStream {
LWOOBJID playerID{};
CharacterLoginRequest() : WorldLUBitStream(MessageType::World::LOGIN_REQUEST) {}
void Serialize(RakNet::BitStream& bitStream) const override;
bool Deserialize(RakNet::BitStream& bitStream) override;
};
// Client -> server. A game message; data holds its parameters for GameMessageHandler.
struct GameMessage : public WorldLUBitStream {
LWOOBJID objectID{};
MessageType::Game messageID{};
RakNet::BitStream data;
GameMessage() : WorldLUBitStream(MessageType::World::GAME_MSG) {}
void Serialize(RakNet::BitStream& bitStream) const override;
bool Deserialize(RakNet::BitStream& bitStream) override;
};
// Client -> server.
struct CharacterDeleteRequest : public WorldLUBitStream {
LWOOBJID objectID{};
CharacterDeleteRequest() : WorldLUBitStream(MessageType::World::CHARACTER_DELETE_REQUEST) {}
void Serialize(RakNet::BitStream& bitStream) const override;
bool Deserialize(RakNet::BitStream& bitStream) override;
};
// Client -> server.
struct CharacterRenameRequest : public WorldLUBitStream {
LWOOBJID objectID{};
LUWString name{ 33 };
CharacterRenameRequest() : WorldLUBitStream(MessageType::World::CHARACTER_RENAME_REQUEST) {}
void Serialize(RakNet::BitStream& bitStream) const override;
bool Deserialize(RakNet::BitStream& bitStream) override;
};
// Client -> server. The client finished loading the zone from LoadStaticZone.
struct LevelLoadComplete : public WorldLUBitStream {
// The zone the client loaded; not used by DLU
uint16_t mapID{};
uint16_t instanceID{};
uint32_t cloneID{};
LevelLoadComplete() : WorldLUBitStream(MessageType::World::LEVEL_LOAD_COMPLETE) {}
void Serialize(RakNet::BitStream& bitStream) const override;
bool Deserialize(RakNet::BitStream& bitStream) override;
};
// Client -> server. Where the player's character is.
struct PositionUpdate : public WorldLUBitStream {
::PositionUpdate update{};
// Which optional sections are present
bool hasVelocity{};
bool hasAngularVelocity{};
bool hasLocalSpaceInfo{};
bool hasLinearVelocity{}; // Inside the local space info
bool hasRemoteInputInfo{};
PositionUpdate() : WorldLUBitStream(MessageType::World::POSITION_UPDATE) {}
void Serialize(RakNet::BitStream& bitStream) const override;
bool Deserialize(RakNet::BitStream& bitStream) override;
};
// Client -> server. A mail request; data holds it for Mail::HandleMail (which has its own sub-header).
struct MailPacket : public WorldLUBitStream {
RakNet::BitStream data;
MailPacket() : WorldLUBitStream(MessageType::World::MAIL) {}
void Serialize(RakNet::BitStream& bitStream) const override;
bool Deserialize(RakNet::BitStream& bitStream) override;
};
// Client -> server. A packet for the chat server, wrapped: its size, then the chat packet's own header
// (service, id, pad) and body.
struct RoutePacket : public WorldLUBitStream {
uint32_t size{};
ServiceType routedService{};
uint32_t routedMessageID{};
uint8_t padding{};
std::vector<uint8_t> routedData{}; // Everything after the routed header
RoutePacket() : WorldLUBitStream(MessageType::World::ROUTE_PACKET) {}
void Serialize(RakNet::BitStream& bitStream) const override;
bool Deserialize(RakNet::BitStream& bitStream) override;
// What DLU forwards to the chat server: the first byte of the routed id, the sender, then at most size bytes
// of the routed data from 4 bytes in (the chat server skips 4 bytes after the sender ID it reads).
ChatPackets::RoutedFromClient ToChat(LWOOBJID senderID) const;
};
// Client -> server. Asks whether what the player is typing may be sent.
struct StringCheck : public WorldLUBitStream {
uint8_t chatLevel{};
uint8_t requestID{};
std::u16string receiver = std::u16string(42, u'\0'); // Always 42 characters on the wire
std::u16string message{}; // After a u16 character count
StringCheck() : WorldLUBitStream(MessageType::World::STRING_CHECK) {}
void Serialize(RakNet::BitStream& bitStream) const override;
bool Deserialize(RakNet::BitStream& bitStream) override;
// The receiver as DLU has always used it: each character cut to one byte, all 42 of them (the text is
// followed by nulls and whatever else the client left in its buffer), without a leading "[GM]".
std::string GetNarrowReceiver() const;
// The message with each character cut to one byte.
std::string GetNarrowMessage() const;
};
// Client -> server. A message in the zone's chat.
struct GeneralChatMessage : public WorldLUBitStream {
uint8_t chatChannel{};
uint16_t unknown{};
// On the wire: an i32 count that includes a null terminator, the characters, then the terminator
std::u16string message{};
GeneralChatMessage() : WorldLUBitStream(MessageType::World::GENERAL_CHAT_MESSAGE) {}
void Serialize(RakNet::BitStream& bitStream) const override;
bool Deserialize(RakNet::BitStream& bitStream) override;
};
// Client -> server. The name the player typed in the guild create box (docs/Guilds.md); the client sends it only
// when it is not in a guild. The client's name for it: MSG_WORLD_CLIENT_TMP_GUILD_CREATE.
struct TmpGuildCreate : public WorldLUBitStream {
static constexpr uint32_t NAME_SIZE = 31; // characters on the wire; the client puts at most 30 and a NUL
std::u16string guildName;
TmpGuildCreate() : WorldLUBitStream(MessageType::World::TMP_GUILD_CREATE) {}
void Serialize(RakNet::BitStream& bitStream) const override;
bool Deserialize(RakNet::BitStream& bitStream) override;
};
// Client -> server. The client's anti cheat noticed something.
struct HandleFunness : public WorldLUBitStream {
float cheatInfo{};
eFunnessTypes cheatType{};
HandleFunness() : WorldLUBitStream(MessageType::World::HANDLE_FUNNESS) {}
void Serialize(RakNet::BitStream& bitStream) const override;
bool Deserialize(RakNet::BitStream& bitStream) override;
};
// Client -> server, when its UGCUSE3DSERVICES is off (the default): the MD5 and size of one of a blueprint's files
// (a player's model, or a car or rocket's build), answered with ClientPackets::UgcManifestResponse.
struct RequestUgcManifestInfo : public WorldLUBitStream {
LWOOBJID blueprintId{};
eUgcResourceType resourceType{};
RequestUgcManifestInfo() : WorldLUBitStream(MessageType::World::REQUEST_UGC_MANIFEST_INFO) {}
void Serialize(RakNet::BitStream& bitStream) const override;
bool Deserialize(RakNet::BitStream& bitStream) override;
};
// Client -> server. Sent by the client's resource manager (LWOResMgr2Interface::FinishResourceRequest 0x0105e5c0)
// for every blueprint file (a player's model, or a car or rocket's build) whose request did not end with HTTP
// status 200. Status 0: the file was not downloaded (live: 1520 of 1525 packets, all four file types, on load);
// otherwise the HTTP status (live: 5 were 404). Live answered nothing. When the downloads keep failing, the client
// itself logs out with NET_DISCONNECT_FAILED_DOWNLOAD_UGC (MainThread_LogoutDueToConnectionFailures 0x0102b9c0).
struct UgcDownloadFailed : public WorldLUBitStream {
uint32_t resType{}; // eUgcResourceType, as a u32
LWOOBJID blueprintId{};
uint32_t statusCode{};
LWOOBJID charId{};
UgcDownloadFailed() : WorldLUBitStream(MessageType::World::UGC_DOWNLOAD_FAILED) {}
void Serialize(RakNet::BitStream& bitStream) const override;
bool Deserialize(RakNet::BitStream& bitStream) override;
};
// Client -> server. The help screen wants its top 5 issues.
struct UIHelpTop5 : public WorldLUBitStream {
int32_t language{}; // 0: en_US, 1: pl_US, 2: de_DE, 3: en_GB
UIHelpTop5() : WorldLUBitStream(MessageType::World::UI_HELP_TOP_5) {}
void Serialize(RakNet::BitStream& bitStream) const override;
bool Deserialize(RakNet::BitStream& bitStream) override;
};
}
#endif // WORLDPACKETS_H
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