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vcmi/launcher/lobby/lobby.h
2023-01-16 20:58:19 +04:00

212 lines
5.2 KiB
C++

/*
* lobby.h, part of VCMI engine
*
* Authors: listed in file AUTHORS in main folder
*
* License: GNU General Public License v2.0 or later
* Full text of license available in license.txt file, in main folder
*
*/
#pragma once
#include <QTcpSocket>
#include <QAbstractSocket>
const unsigned int ProtocolVersion = 4;
const std::string ProtocolEncoding = "utf8";
class ProtocolError: public std::runtime_error
{
public:
ProtocolError(const char * w): std::runtime_error(w) {}
};
enum ProtocolConsts
{
//client consts
GREETING, USERNAME, MESSAGE, VERSION, CREATE, JOIN, LEAVE, KICK, READY, FORCESTART, HERE, ALIVE, HOSTMODE,
//server consts
SESSIONS, CREATED, JOINED, KICKED, SRVERROR, CHAT, START, STATUS, HOST, MODS, CLIENTMODS, USERS, HEALTH, GAMEMODE
};
const QMap<ProtocolConsts, QString> ProtocolStrings
{
//=== client commands ===
//handshaking with server
//%1: first byte is protocol_version, then size of encoding string in bytes, then encoding string
//%2: client name
//%3: VCMI version
{GREETING, "%1<GREETINGS>%2<VER>%3"},
//[unsupported] autorization with username
//%1: username
{USERNAME, "<USER>%1"},
//sending message to the chat
//%1: message text
{MESSAGE, "<MSG>%1"},
//create new room
//%1: room name
//%2: password for the room
//%3: max number of players
//%4: mods used by host
// each mod has a format modname&modversion, mods should be separated by ; symbol
{CREATE, "<NEW>%1<PSWD>%2<COUNT>%3<MODS>%4"},
//join to the room
//%1: room name
//%2: password for the room
//%3: list of mods used by player
// each mod has a format modname&modversion, mods should be separated by ; symbol
{JOIN, "<JOIN>%1<PSWD>%2<MODS>%3"},
//leave the room
//%1: room name
{LEAVE, "<LEAVE>%1"},
//kick user from the current room
//%1: player username
{KICK, "<KICK>%1"},
//signal that player is ready for game
//%1: room name
{READY, "<READY>%1"},
//[unsupported] start session immediately
//%1: room name
{FORCESTART, "<FORCESTART>%1"},
//request user list
{HERE, "<HERE>"},
//used as reponse to healcheck
{ALIVE, "<ALIVE>"},
//host sets game mode (new game or load game)
//%1: game mode - 0 for new game, 1 for load game
{HOSTMODE, "<HOSTMODE>%1"},
//=== server commands ===
//server commands are started from :>>, arguments are enumerated by : symbol
//new session was created
//arg[0]: room name
{CREATED, "CREATED"},
//list of existing sessions
//arg[0]: amount of sessions, following arguments depending on it
//arg[x]: session name
//arg[x+1]: amount of players in the session
//arg[x+2]: total amount of players allowed
//arg[x+3]: True if session is protected by password
{SESSIONS, "SESSIONS"},
//user has joined to the session
//arg[0]: session name
//arg[1]: username (who was joined)
{JOINED, "JOIN"},
//user has left the session
//arg[0]: session name
//arg[1]: username (who has left)
{KICKED, "KICK"},
//session has been started
//arg[0]: session name
//arg[1]: uuid to be used for connection
{START, "START"},
//host ownership for the game session
//arg[0]: uuid to be used by vcmiserver
//arg[1]: amount of players (clients) to be connected
{HOST, "HOST"},
//room status
//arg[0]: amount of players, following arguments depending on it
//arg[x]: player username
//arg[x+1]: True if player is ready
{STATUS, "STATUS"}, //joined_players:player_name:is_ready
//server error
//arg[0]: error message
{SRVERROR, "ERROR"},
//mods used in the session by host player
//arg[0]: amount of mods, following arguments depending on it
//arg[x]: mod name
//arg[x+1]: mod version
{MODS, "MODS"},
//mods used by user
//arg[0]: username
//arg[1]: amount of mods, following arguments depending on it
//arg[x]: mod name
//arg[x+1]: mod version
{CLIENTMODS, "MODSOTHER"},
//received chat message
//arg[0]: sender username
//arg[1]: message text
{CHAT, "MSG"},
//list of users currently in lobby
//arg[0]: amount of players, following arguments depend on it
//arg[x]: username
//arg[x+1]: room (empty if not in the room)
{USERS, "USERS"},
//healthcheck from server
{HEALTH, "HEALTH"},
//game mode (new game or load game) set by host
//arg[0]: game mode
{GAMEMODE, "GAMEMODE"},
};
class ServerCommand
{
public:
ServerCommand(ProtocolConsts, const QStringList & arguments);
const ProtocolConsts command;
const QStringList arguments;
};
class SocketLobby : public QObject
{
Q_OBJECT
public:
explicit SocketLobby(QObject *parent = 0);
void connectServer(const QString & host, int port, const QString & username, int timeout);
void disconnectServer();
void requestNewSession(const QString & session, int totalPlayers, const QString & pswd, const QMap<QString, QString> & mods);
void requestJoinSession(const QString & session, const QString & pswd, const QMap<QString, QString> & mods);
void requestLeaveSession(const QString & session);
void requestReadySession(const QString & session);
void send(const QString &);
signals:
void text(QString);
void receive(QString);
void disconnect();
public slots:
void connected();
void disconnected();
void bytesWritten(qint64 bytes);
void readyRead();
private:
QTcpSocket *socket;
bool isConnected = false;
QString username;
};
QString prepareModsClientString(const QMap<QString, QString> & mods);