gamehandler.cpp

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/*
 * The ManaPlus Client
 * Copyright (C) 2009 The Mana World Development Team
 * Copyright (C) 2009-2010 The Mana Developers
 * Copyright (C) 2011-2019 The ManaPlus Developers
 * Copyright (C) 2019-2021 Andrei Karas
 *
 * This file is part of The ManaPlus Client.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */
 
#include "net/eathena/gamehandler.h"
 
#include "client.h"
 
#include "being/localplayer.h"
 
#include "net/serverfeatures.h"
 
#include "net/ea/token.h"
 
#include "net/ea/gamerecv.h"
 
#include "net/eathena/loginhandler.h"
#include "net/eathena/messageout.h"
#include "net/eathena/network.h"
#include "net/eathena/protocolout.h"
 
#include "debug.h"
 
extern int packetVersion;
extern int packetVersionMain;
extern int packetVersionRe;
extern int packetVersionZero;
 
namespace EAthena
{
 
extern ServerInfo mapServer;
 
GameHandler::GameHandler() :
 Ea::GameHandler()
{
 gameHandler = this;
}
 
GameHandler::~GameHandler()
{
 gameHandler = nullptr;
}
 
void GameHandler::mapLoadedEvent() const
{
 createOutPacket(CMSG_MAP_LOADED);
}
 
void GameHandler::connect() const
{
 if (Network::mInstance == nullptr)
 return;
 
 Network::mInstance->connect(mapServer);
 
 const Token &token = static_cast<LoginHandler*>(loginHandler)->getToken();
 
 
 if (client->getState() == State::CONNECT_GAME)
 {
 // Change the player's ID to the account ID to match what eAthena uses
 if (localPlayer != nullptr)
 {
 Ea::GameRecv::mCharID = localPlayer->getId();
 localPlayer->setId(token.account_ID);
 }
 else
 {
 Ea::GameRecv::mCharID = BeingId_zero;
 }
 }
 
 // Send login infos
 createOutPacket(CMSG_MAP_SERVER_CONNECT);
 outMsg.writeBeingId(token.account_ID, "account id");
 outMsg.writeBeingId(Ea::GameRecv::mCharID, "char id");
 outMsg.writeInt32(token.session_ID1, "session key1");
 outMsg.writeInt32(0, "tick");
 outMsg.writeInt8(Being::genderToInt(token.sex), "sex");
 if (serverFeatures->haveMapServerVersion())
 loginHandler->sendVersion();
 
 // We get 4 useless bytes before the real answer comes in (what are these?)
// Network::mInstance->skip(4);
}
 
bool GameHandler::isConnected() const
{
 if (Network::mInstance == nullptr)
 return false;
 return Network::mInstance->isConnected();
}
 
void GameHandler::disconnect() const
{
 if (Network::mInstance != nullptr)
 Network::mInstance->disconnect();
}
 
void GameHandler::quit() const
{
 createOutPacket(CMSG_CLIENT_QUIT);
}
 
void GameHandler::ping(const int tick) const
{
 createOutPacket(CMSG_MAP_PING);
 if (packetVersion >= 20101124)
 {
 // nothing here
 }
 else if (packetVersion >= 20080827)
 {
 outMsg.writeInt16(0, "unknown");
 outMsg.writeInt8(0, "unknown");
 outMsg.writeInt8(0, "unknown");
 outMsg.writeInt8(0, "unknown");
 }
 else if (packetVersion >= 20070212)
 {
 outMsg.writeInt16(0, "unknown");
 }
 else if (packetVersion >= 20070108)
 {
 outMsg.writeInt16(0, "unknown");
 outMsg.writeInt16(0, "unknown");
 outMsg.writeInt8(0, "unknown");
 }
 else if (packetVersion >= 20050719)
 {
 outMsg.writeInt16(0, "unknown");
 outMsg.writeInt16(0, "unknown");
 outMsg.writeInt16(0, "unknown");
 outMsg.writeInt8(0, "unknown");
 }
 else if (packetVersion >= 20050718)
 {
 outMsg.writeInt8(0, "unknown");
 }
 else if (packetVersion >= 20050628)
 {
 outMsg.writeInt16(0, "unknown");
 outMsg.writeInt16(0, "unknown");
 outMsg.writeInt16(0, "unknown");
 outMsg.writeInt8(0, "unknown");
 }
 else if (packetVersion >= 20050509)
 {
 outMsg.writeInt16(0, "unknown");
 }
 else if (packetVersion >= 20050110)
 {
 outMsg.writeInt16(0, "unknown");
 outMsg.writeInt8(0, "unknown");
 }
 else if (packetVersion >= 20041129)
 {
 outMsg.writeInt8(0, "unknown");
 }
 else if (packetVersion >= 20041025)
 {
 outMsg.writeInt8(0, "unknown");
 outMsg.writeInt8(0, "unknown");
 outMsg.writeInt8(0, "unknown");
 }
 else if (packetVersion >= 20041005)
 {
 outMsg.writeInt8(0, "unknown");
 outMsg.writeInt8(0, "unknown");
 outMsg.writeInt8(0, "unknown");
 outMsg.writeInt8(0, "unknown");
 }
 else if (packetVersion >= 20040920)
 {
 outMsg.writeInt16(0, "unknown");
 outMsg.writeInt16(0, "unknown");
 outMsg.writeInt8(0, "unknown");
 outMsg.writeInt8(0, "unknown");
 outMsg.writeInt8(0, "unknown");
 outMsg.writeInt8(0, "unknown");
 }
 else if (packetVersion >= 20040906)
 {
 outMsg.writeInt16(0, "unknown");
 outMsg.writeInt8(0, "unknown");
 outMsg.writeInt8(0, "unknown");
 outMsg.writeInt8(0, "unknown");
 }
 else if (packetVersion >= 20040809)
 {
 outMsg.writeInt16(0, "unknown");
 outMsg.writeInt16(0, "unknown");
 outMsg.writeInt8(0, "unknown");
 outMsg.writeInt8(0, "unknown");
 outMsg.writeInt8(0, "unknown");
 }
 else if (packetVersion >= 20040726)
 {
 outMsg.writeInt16(0, "unknown");
 outMsg.writeInt16(0, "unknown");
 }
 outMsg.writeInt32(tick, "tick");
}
 
void GameHandler::disconnect2() const
{
 createOutPacket(CMSG_CLIENT_QUIT);
}
 
void GameHandler::reqRemainTime() const
{
 createOutPacket(CMSG_REQ_REMAIN_TIME);
}
 
void GameHandler::ping2() const
{
 if (packetVersionMain < 20190227 &&
 packetVersionRe < 20190220 &&
 packetVersionZero < 20190220)
 {
 return;
 }
 createOutPacket(CMSG_MAP_PING2);
}
 
} // namespace EAthena