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DarkflameServer/dNet/ClientPackets.h
Aaron Kimbrell 4399daad4c fix(login): select the last played character in a stable list 
The character list selected index 0 and was ordered by last login, so
the characters swapped places on the selection screen after each
session. Live kept them in the order they were made and selected the
one with the latest last login (a new character counts as logged in
when it is made): 2014 captures show e.g. a new fourth character
appended and selected (index 3), and after the next login the list in
the same order with index 0 for the character played last.

Characters are now sorted by ID (creation order) and the one with the
latest last login is selected.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
2026-09-28 22:31:04 -05:00

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/*
* Darkflame Universe
* Copyright 2018
*/
#ifndef CLIENTPACKETS_H
#define CLIENTPACKETS_H
#include <cstdint>
#include <ctime>
#include <set>
#include <string>
#include <utility>
#include <vector>
#include "BitStreamUtils.h"
#include "dCommonVars.h"
#include "eAddFriendResponseType.h"
#include "eAddIgnoreResponse.h"
#include "eBlueprintSaveResponseType.h"
#include "MessageType/Client.h"
#include "MessageType/Game.h"
#include "NiPoint3.h"
#include "Stamps.h"
enum class eCharacterCreationResponse : uint8_t;
enum class eGameMasterLevel : uint8_t;
enum class eRenameResponse : uint8_t;
enum class eLoginResponse : uint8_t;
enum class Language : uint32_t {
en_US,
pl_US,
de_DE,
en_GB,
};
namespace ClientPackets {
// Server -> client. The auth server's answer to a login (the client's clientLoginResponsePacket).
struct LoginResponse : public LUBitStream {
static constexpr const char* DEFAULT_CDN_TICKET = "00000000-0000-0000-0000-000000000000";
eLoginResponse responseCode{};
LUString events[8]{}; // Event gating
uint16_t versionMajor{};
uint16_t versionCurrent{};
uint16_t versionMinor{};
LUWString userKey{ 33 };
LUString worldServerIP{ 33 };
LUString chatServerIP{ 33 }; // Unused
uint16_t worldServerPort{};
uint16_t chatServerPort{}; // Unused
LUString cdnKey{ 33 };
LUString cdnTicket{ DEFAULT_CDN_TICKET, 37 };
Language language = Language::en_US;
LUString localization{ "US", 3 };
bool justUpgradedFromF2P{}; // Written as one byte
bool isFreeToPlay{}; // Written as one byte
uint64_t freeToPlayTimeRemaining{};
// Written as a u16 character count followed by that many UTF-16 characters
std::string errorMessage{};
// The login's stamps (see Stamps.h)
Stamps stamps{};
LoginResponse() : LUBitStream(ServiceType::CLIENT, MessageType::Client::LOGIN_RESPONSE) {}
void Serialize(RakNet::BitStream& bitStream) const override;
bool Deserialize(RakNet::BitStream& bitStream) override;
};
// Server -> client. Tells the client which zone to load (ClientLoadStaticZonePacket in the client).
struct LoadStaticZone : public LUBitStream {
uint16_t mapID{};
uint16_t instanceID{};
uint32_t cloneID{}; // DLU has always sent 0 here
uint32_t mapChecksum{};
uint8_t editorEnabled{};
uint8_t editorLevel{};
NiPoint3 playerPosition{};
uint32_t instanceType{}; // Change this to eventually use 4 on activity worlds
LoadStaticZone() : LUBitStream(ServiceType::CLIENT, MessageType::Client::LOAD_STATIC_ZONE) {}
void Serialize(RakNet::BitStream& bitStream) const override;
bool Deserialize(RakNet::BitStream& bitStream) override;
};
// Server -> client. The account's characters for the character select screen.
struct CharacterListResponse : public LUBitStream {
struct Character {
LWOOBJID objectID{};
uint32_t unknown1{};
LUWString name{ 33 };
LUWString unapprovedName{ 33 };
bool nameRejected{}; // Written as one byte
bool isFreeToPlay{}; // Written as one byte
LUString unknown2{ 10 };
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{};
uint32_t unknown3{};
uint16_t zoneID{};
uint16_t zoneInstance{};
uint32_t zoneClone{};
uint64_t lastLogin{};
std::vector<LOT> equippedItems{}; // After a u16 count
};
// Written as a u8 count first
uint8_t selectedCharacterIndex{}; // The character with the latest last login
std::vector<Character> characters{};
CharacterListResponse() : LUBitStream(ServiceType::CLIENT, MessageType::Client::CHARACTER_LIST_RESPONSE) {}
void Serialize(RakNet::BitStream& bitStream) const override;
bool Deserialize(RakNet::BitStream& bitStream) override;
};
// Server -> client.
struct CharacterCreateResponse : public LUBitStream {
eCharacterCreationResponse response{};
CharacterCreateResponse() : LUBitStream(ServiceType::CLIENT, MessageType::Client::CHARACTER_CREATE_RESPONSE) {}
void Serialize(RakNet::BitStream& bitStream) const override;
bool Deserialize(RakNet::BitStream& bitStream) override;
};
// Server -> client.
struct CharacterRenameResponse : public LUBitStream {
eRenameResponse response{};
CharacterRenameResponse() : LUBitStream(ServiceType::CLIENT, MessageType::Client::CHARACTER_RENAME_RESPONSE) {}
void Serialize(RakNet::BitStream& bitStream) const override;
bool Deserialize(RakNet::BitStream& bitStream) override;
};
// Server -> client.
struct DeleteCharacterResponse : public LUBitStream {
bool success{}; // Written as one byte
DeleteCharacterResponse() : LUBitStream(ServiceType::CLIENT, MessageType::Client::DELETE_CHARACTER_RESPONSE) {}
void Serialize(RakNet::BitStream& bitStream) const override;
bool Deserialize(RakNet::BitStream& bitStream) override;
};
// Server -> client. Sends the client to another world server.
struct TransferToWorld : public LUBitStream {
LUString serverIP{ 33 };
uint16_t serverPort{};
bool mythranShift{}; // Written as one byte
TransferToWorld() : LUBitStream(ServiceType::CLIENT, MessageType::Client::TRANSFER_TO_WORLD) {}
void Serialize(RakNet::BitStream& bitStream) const override;
bool Deserialize(RakNet::BitStream& bitStream) override;
};
// Server -> client.
struct ServerStates : public LUBitStream {
uint8_t serverState = 1; // If the server is receiving this request, it probably is ready anyway.
ServerStates() : LUBitStream(ServiceType::CLIENT, MessageType::Client::SERVER_STATES) {}
void Serialize(RakNet::BitStream& bitStream) const override;
bool Deserialize(RakNet::BitStream& bitStream) override;
};
// Server -> client. The player's own character: a compressed LDF list.
// On the wire: u32 compressed size + 9, u8 1 (compressed), u32 uncompressed size, u32 compressed size, the zlib data.
struct CreateCharacter : public LUBitStream {
LWOOBJID objectID{};
LOT templateID = 1;
std::string xmlData{};
std::u16string name{};
eGameMasterLevel gmLevel{};
int32_t chatMode{}; // DLU sends the GM level
int64_t reputation{};
int32_t propertyCloneID{};
CreateCharacter() : LUBitStream(ServiceType::CLIENT, MessageType::Client::CREATE_CHARACTER) {}
void Serialize(RakNet::BitStream& bitStream) const override;
bool Deserialize(RakNet::BitStream& bitStream) override;
};
// Server -> client. The answer to WorldPackets::StringCheck.
struct ChatModerationString : public LUBitStream {
bool requestAccepted{}; // Written as one byte
uint16_t sourceID = 0x16; // Unknown
uint8_t requestID{};
uint8_t chatMode{};
LUWString receiver{ 42 };
// (start, length) of each part that was not accepted, in 64 two byte slots; unused slots are 0
std::set<std::pair<uint8_t, uint8_t>> rejectedSegments{};
ChatModerationString() : LUBitStream(ServiceType::CLIENT, MessageType::Client::CHAT_MODERATION_STRING) {}
void Serialize(RakNet::BitStream& bitStream) const override;
bool Deserialize(RakNet::BitStream& bitStream) override;
};
// Server -> client.
struct MakeGMResponse : public LUBitStream {
bool success{}; // Written as one byte
eGameMasterLevel highestLevel{}; // Written as u16
eGameMasterLevel previousLevel{}; // Written as u16
eGameMasterLevel newLevel{}; // Written as u16
MakeGMResponse() : LUBitStream(ServiceType::CLIENT, MessageType::Client::MAKE_GM_RESPONSE) {}
void Serialize(RakNet::BitStream& bitStream) const override;
bool Deserialize(RakNet::BitStream& bitStream) override;
};
// Server -> client. DLU does not send it.
struct HTTPMonitorInfoResponse : public LUBitStream {
uint16_t port = 80;
// Each written as one byte
bool openWeb = false;
bool supportsSum = false;
bool supportsDetail = false;
bool supportsWho = false;
bool supportsObjects = false;
HTTPMonitorInfoResponse() : LUBitStream(ServiceType::CLIENT, MessageType::Client::HTTP_MONITOR_INFO_RESPONSE) {}
void Serialize(RakNet::BitStream& bitStream) const override;
bool Deserialize(RakNet::BitStream& bitStream) override;
};
// Server -> client. Text for the client's debug output. DLU does not send it.
struct DebugOutput : public LUBitStream {
std::string data{}; // After a u32 length
DebugOutput() : LUBitStream(ServiceType::CLIENT, MessageType::Client::DEBUG_OUTPUT) {}
void Serialize(RakNet::BitStream& bitStream) const override;
bool Deserialize(RakNet::BitStream& bitStream) override;
};
// Server -> client. The answer to a BBBSaveRequest (and, with PlacementFailed and no models, to UnUseBBBModel);
// also sent on world load to give the client the property's brick built models. Each model is the blueprint's
// ID and its data, written as a u32 byte count followed by the bytes.
struct BlueprintSaveResponse : public LUBitStream {
BlueprintSaveResponse() : LUBitStream(ServiceType::CLIENT, MessageType::Client::BLUEPRINT_SAVE_RESPONSE) {}
void Serialize(RakNet::BitStream& bitStream) const override;
bool Deserialize(RakNet::BitStream& bitStream) override;
struct Model {
LWOOBJID blueprintId{};
std::string data{};
};
LWOOBJID localId{};
eBlueprintSaveResponseType reasonCode{};
std::vector<Model> models{}; // u32 count, then the models
};
// Server -> client. The answer to BBBLoadItemRequest: the model item's ID once it moved to the BBB inventory.
struct BlueprintLoadItemResponse : public LUBitStream {
BlueprintLoadItemResponse() : LUBitStream(ServiceType::CLIENT, MessageType::Client::BLUEPRINT_LOAD_RESPONSE_ITEMID) {}
void Serialize(RakNet::BitStream& bitStream) const override;
bool Deserialize(RakNet::BitStream& bitStream) override;
uint8_t success{};
LWOOBJID itemId{};
LWOOBJID destItemId{};
};
};
/**
* What the chat server sends the client (routed through the player's world in a WorldRoutePacket): friends, ignore
* list and team responses, and the team game messages. SendCannedText comes from the world.
*/
namespace ClientPackets {
// World -> client: chat is off (0: "Chat is currently disabled.", 1: "Upgrade to a full LEGO Universe
// Membership to chat with other players.")
struct SendCannedText : public LUBitStream {
uint8_t responseType{};
SendCannedText() : LUBitStream(ServiceType::CLIENT, MessageType::Client::SEND_CANNED_TEXT) {}
void Serialize(RakNet::BitStream& bitStream) const override;
bool Deserialize(RakNet::BitStream& bitStream) override;
};
struct GetFriendsListResponse : public LUBitStream {
uint8_t responseCode{};
uint16_t packetLength{ 1 }; // the client skips it
std::vector<FriendData> friends; // u16 count
GetFriendsListResponse() : LUBitStream(ServiceType::CLIENT, MessageType::Client::GET_FRIENDS_LIST_RESPONSE) {}
void Serialize(RakNet::BitStream& bitStream) const override;
bool Deserialize(RakNet::BitStream& bitStream) override;
};
// Someone wants to be friends
struct AddFriendRequest : public LUBitStream {
LUWString requestorName;
uint8_t isBestFriendRequest{}; // unused in live, and the client does nothing with it
AddFriendRequest() : LUBitStream(ServiceType::CLIENT, MessageType::Client::ADD_FRIEND_REQUEST) {}
void Serialize(RakNet::BitStream& bitStream) const override;
bool Deserialize(RakNet::BitStream& bitStream) override;
};
struct AddFriendResponse : public LUBitStream {
eAddFriendResponseType responseCode{};
// ACCEPTED: whether the friend is online; anything else: whether they are best friends already
uint8_t isOnlineOrBestFriend{};
LUWString friendName;
// ACCEPTED only
LWOOBJID friendID{};
LWOZONEID zoneID{};
uint8_t isBestFriend{};
uint8_t isFreeTrial{};
AddFriendResponse() : LUBitStream(ServiceType::CLIENT, MessageType::Client::ADD_FRIEND_RESPONSE) {}
void Serialize(RakNet::BitStream& bitStream) const override;
bool Deserialize(RakNet::BitStream& bitStream) override;
};
struct RemoveFriendResponse : public LUBitStream {
uint8_t isSuccessful{};
LUWString friendName;
RemoveFriendResponse() : LUBitStream(ServiceType::CLIENT, MessageType::Client::REMOVE_FRIEND_RESPONSE) {}
void Serialize(RakNet::BitStream& bitStream) const override;
bool Deserialize(RakNet::BitStream& bitStream) override;
};
// A friend logged in (1), out (0) or changed worlds (2)
struct UpdateFriendNotify : public LUBitStream {
uint8_t notifyType{};
LUWString friendName;
LWOZONEID zoneID{}; // clone 0 when it is the receiver's clone
uint8_t isBestFriend{};
uint8_t isFreeTrial{};
UpdateFriendNotify() : LUBitStream(ServiceType::CLIENT, MessageType::Client::UPDATE_FRIEND_NOTIFY) {}
void Serialize(RakNet::BitStream& bitStream) const override;
bool Deserialize(RakNet::BitStream& bitStream) override;
};
// Answer to /findplayer
struct WhoResponse : public LUBitStream {
uint8_t isOnline{};
LWOZONEID zoneID{};
LUWString playerName;
WhoResponse() : LUBitStream(ServiceType::CLIENT, MessageType::Client::WHO_RESPONSE) {}
void Serialize(RakNet::BitStream& bitStream) const override;
bool Deserialize(RakNet::BitStream& bitStream) override;
};
// Answer to /showall
struct ShowAllResponse : public LUBitStream {
struct Player {
std::string name; // written when displayIndividualPlayers
LWOZONEID zoneID{}; // written when displayZoneData
};
uint32_t playerCount{};
uint32_t simCount{};
bool displayIndividualPlayers{};
bool displayZoneData{};
// Only written when either display flag is set; there is no count, they fill the rest of the packet
std::vector<Player> players;
ShowAllResponse() : LUBitStream(ServiceType::CLIENT, MessageType::Client::SHOW_ALL_RESPONSE) {}
void Serialize(RakNet::BitStream& bitStream) const override;
bool Deserialize(RakNet::BitStream& bitStream) override;
};
struct GetIgnoreListResponse : public LUBitStream {
struct Ignored {
LWOOBJID playerID{};
LUWString playerName{ 36u };
};
uint8_t isFreeTrial{};
uint16_t padding{}; // struct alignment
std::vector<Ignored> ignored; // u16 count
GetIgnoreListResponse() : LUBitStream(ServiceType::CLIENT, MessageType::Client::GET_IGNORE_LIST_RESPONSE) {}
void Serialize(RakNet::BitStream& bitStream) const override;
bool Deserialize(RakNet::BitStream& bitStream) override;
};
struct AddIgnoreResponse : public LUBitStream {
eAddIgnoreResponse responseCode{};
LUWString playerName;
LWOOBJID playerID{};
AddIgnoreResponse() : LUBitStream(ServiceType::CLIENT, MessageType::Client::ADD_IGNORE_RESPONSE) {}
void Serialize(RakNet::BitStream& bitStream) const override;
bool Deserialize(RakNet::BitStream& bitStream) override;
};
struct RemoveIgnoreResponse : public LUBitStream {
int8_t responseCode{};
LUWString playerName;
RemoveIgnoreResponse() : LUBitStream(ServiceType::CLIENT, MessageType::Client::REMOVE_IGNORE_RESPONSE) {}
void Serialize(RakNet::BitStream& bitStream) const override;
bool Deserialize(RakNet::BitStream& bitStream) override;
};
// Someone invites the player to their team
struct TeamInvite : public LUBitStream {
LUWString senderName;
LWOOBJID senderID{};
TeamInvite() : LUBitStream(ServiceType::CLIENT, MessageType::Client::TEAM_INVITE) {}
void Serialize(RakNet::BitStream& bitStream) const override;
bool Deserialize(RakNet::BitStream& bitStream) override;
};
// Whether the player's team invite went out
struct TeamInviteInitialResponse : public LUBitStream {
bool inviteFailedToSend{}; // one byte
LUWString playerName{};
TeamInviteInitialResponse() : LUBitStream(ServiceType::CLIENT, MessageType::Client::TEAM_INVITE_INITIAL_RESPONSE) {}
void Serialize(RakNet::BitStream& bitStream) const override;
bool Deserialize(RakNet::BitStream& bitStream) override;
};
/**
* Team game messages, written by the chat server: the CLIENT/GAME_MSG header, the object the message is for,
* the game message ID, then the message's own fields (like GameMessages::NetGameMsg, which chat doesn't link).
*/
struct TeamGameMsg : public LUBitStream {
LWOOBJID target{};
MessageType::Game msgId{};
TeamGameMsg(MessageType::Game id) : LUBitStream(ServiceType::CLIENT, MessageType::Client::GAME_MSG), msgId{ id } {}
void Serialize(RakNet::BitStream& bitStream) const override;
bool Deserialize(RakNet::BitStream& bitStream) override;
};
struct TeamInviteConfirm : public TeamGameMsg {
bool bLeaderIsFreeTrial{};
LWOOBJID i64LeaderID{};
LWOZONEID i64LeaderZoneID{};
uint32_t binaryBufferLength{}; // always empty
uint8_t ucLootFlag{};
uint8_t ucNumOfOtherPlayers{};
uint8_t ucResponseCode{};
std::u16string wsLeaderName; // u32 length
TeamInviteConfirm() : TeamGameMsg(MessageType::Game::TEAM_INVITE_CONFIRM) {}
void Serialize(RakNet::BitStream& bitStream) const override;
bool Deserialize(RakNet::BitStream& bitStream) override;
};
struct TeamGetStatusResponse : public TeamGameMsg {
LWOOBJID i64LeaderID{};
LWOZONEID i64LeaderZoneID{};
uint32_t binaryBufferLength{}; // always empty
uint8_t ucLootFlag{};
uint8_t ucNumOfOtherPlayers{};
std::u16string wsLeaderName; // u32 length
TeamGetStatusResponse() : TeamGameMsg(MessageType::Game::TEAM_GET_STATUS_RESPONSE) {}
void Serialize(RakNet::BitStream& bitStream) const override;
bool Deserialize(RakNet::BitStream& bitStream) override;
};
struct TeamSetLeader : public TeamGameMsg {
LWOOBJID i64PlayerID{};
TeamSetLeader() : TeamGameMsg(MessageType::Game::TEAM_SET_LEADER) {}
void Serialize(RakNet::BitStream& bitStream) const override;
bool Deserialize(RakNet::BitStream& bitStream) override;
};
struct TeamAddPlayer : public TeamGameMsg {
bool bIsFreeTrial{};
bool bLocal{};
bool bNoLootOnDeath{};
LWOOBJID i64PlayerID{};
std::u16string wsPlayerName; // u32 length
LWOZONEID zoneID{}; // always written (its default flag is always set); clone 0 when it's the receiver's clone
TeamAddPlayer() : TeamGameMsg(MessageType::Game::TEAM_ADD_PLAYER) {}
void Serialize(RakNet::BitStream& bitStream) const override;
bool Deserialize(RakNet::BitStream& bitStream) override;
};
struct TeamRemovePlayer : public TeamGameMsg {
bool bDisband{};
bool bIsKicked{};
bool bIsLeaving{};
bool bLocal{};
LWOOBJID i64LeaderID{}; // not empty: the client makes this player the leader
LWOOBJID i64PlayerID{};
std::u16string wsPlayerName; // u32 length
TeamRemovePlayer() : TeamGameMsg(MessageType::Game::TEAM_REMOVE_PLAYER) {}
void Serialize(RakNet::BitStream& bitStream) const override;
bool Deserialize(RakNet::BitStream& bitStream) override;
};
struct TeamSetOffWorldFlag : public TeamGameMsg {
LWOOBJID i64PlayerID{};
LWOZONEID zoneID{}; // clone 0 when it's the receiver's clone
TeamSetOffWorldFlag() : TeamGameMsg(MessageType::Game::TEAM_SET_OFF_WORLD_FLAG) {}
void Serialize(RakNet::BitStream& bitStream) const override;
bool Deserialize(RakNet::BitStream& bitStream) override;
};
}
#endif // CLIENTPACKETS_H
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