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vcmi/server/NetPacksLobbyServer.cpp
2023-04-12 01:03:14 +03:00

400 lines
9.4 KiB
C++

/*
* NetPacksLobbyServer.cpp, 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
*
*/
#include "StdInc.h"
#include "LobbyNetPackVisitors.h"
#include "CVCMIServer.h"
#include "CGameHandler.h"
#include "../lib/NetPacksLobby.h"
#include "../lib/serializer/Connection.h"
#include "../lib/StartInfo.h"
// Campaigns
#include "../lib/mapping/CCampaignHandler.h"
#include "../lib/mapping/CMapService.h"
#include "../lib/mapping/CMapInfo.h"
void ClientPermissionsCheckerNetPackVisitor::visitForLobby(CPackForLobby & pack)
{
if(pack.isForServer())
{
result = srv.isClientHost(pack.c->connectionID);
}
}
void ApplyOnServerAfterAnnounceNetPackVisitor::visitForLobby(CPackForLobby & pack)
{
// Propogate options after every CLobbyPackToServer
if(pack.isForServer())
{
srv.updateAndPropagateLobbyState();
}
}
void ClientPermissionsCheckerNetPackVisitor::visitLobbyClientConnected(LobbyClientConnected & pack)
{
if(srv.gh)
{
for(auto & connection : srv.hangingConnections)
{
if(connection->uuid == pack.uuid)
{
{
result = true;
return;
}
}
}
}
if(srv.state == EServerState::LOBBY)
{
result = true;
return;
}
//disconnect immediately and ignore this client
srv.connections.erase(pack.c);
if(pack.c && pack.c->isOpen())
{
pack.c->close();
pack.c->connected = false;
}
{
result = false;
return;
}
}
void ApplyOnServerNetPackVisitor::visitLobbyClientConnected(LobbyClientConnected & pack)
{
if(srv.gh)
{
for(auto & connection : srv.hangingConnections)
{
if(connection->uuid == pack.uuid)
{
logNetwork->info("Reconnection player");
pack.c->connectionID = connection->connectionID;
for(auto & playerConnection : srv.gh->connections)
{
for(auto & existingConnection : playerConnection.second)
{
if(existingConnection == connection)
{
playerConnection.second.erase(existingConnection);
playerConnection.second.insert(pack.c);
break;
}
}
}
srv.hangingConnections.erase(connection);
break;
}
}
}
srv.clientConnected(pack.c, pack.names, pack.uuid, pack.mode);
// Server need to pass some data to newly connected client
pack.clientId = pack.c->connectionID;
pack.mode = srv.si->mode;
pack.hostClientId = srv.hostClientId;
result = true;
}
void ApplyOnServerAfterAnnounceNetPackVisitor::visitLobbyClientConnected(LobbyClientConnected & pack)
{
// FIXME: we need to avoid senting something to client that not yet get answer for LobbyClientConnected
// Until UUID set we only pass LobbyClientConnected to this client
pack.c->uuid = pack.uuid;
srv.updateAndPropagateLobbyState();
if(srv.state == EServerState::GAMEPLAY)
{
//immediately start game
std::unique_ptr<LobbyStartGame> startGameForReconnectedPlayer(new LobbyStartGame);
startGameForReconnectedPlayer->initializedStartInfo = srv.si;
startGameForReconnectedPlayer->initializedGameState = srv.gh->gameState();
startGameForReconnectedPlayer->clientId = pack.c->connectionID;
srv.addToAnnounceQueue(std::move(startGameForReconnectedPlayer));
}
}
void ClientPermissionsCheckerNetPackVisitor::visitLobbyClientDisconnected(LobbyClientDisconnected & pack)
{
if(pack.clientId != pack.c->connectionID)
{
result = false;
return;
}
if(pack.shutdownServer)
{
if(!srv.cmdLineOptions.count("run-by-client"))
{
result = false;
return;
}
if(pack.c->uuid != srv.cmdLineOptions["uuid"].as<std::string>())
{
result = false;
return;
}
}
result = true;
}
void ApplyOnServerNetPackVisitor::visitLobbyClientDisconnected(LobbyClientDisconnected & pack)
{
srv.clientDisconnected(pack.c);
pack.c->close();
pack.c->connected = false;
result = true;
}
void ApplyOnServerAfterAnnounceNetPackVisitor::visitLobbyClientDisconnected(LobbyClientDisconnected & pack)
{
if(pack.c && pack.c->isOpen())
{
boost::unique_lock<boost::mutex> lock(*pack.c->mutexWrite);
pack.c->close();
pack.c->connected = false;
}
if(pack.shutdownServer)
{
logNetwork->info("Client requested shutdown, server will close itself...");
srv.state = EServerState::SHUTDOWN;
return;
}
else if(srv.connections.empty())
{
logNetwork->error("Last connection lost, server will close itself...");
srv.state = EServerState::SHUTDOWN;
}
else if(pack.c == srv.hostClient)
{
auto ph = std::make_unique<LobbyChangeHost>();
auto newHost = *RandomGeneratorUtil::nextItem(srv.connections, CRandomGenerator::getDefault());
ph->newHostConnectionId = newHost->connectionID;
srv.addToAnnounceQueue(std::move(ph));
}
srv.updateAndPropagateLobbyState();
}
void ClientPermissionsCheckerNetPackVisitor::visitLobbyChatMessage(LobbyChatMessage & pack)
{
result = true;
}
void ApplyOnServerNetPackVisitor::visitLobbySetMap(LobbySetMap & pack)
{
if(srv.state != EServerState::LOBBY)
{
result = false;
return;
}
srv.updateStartInfoOnMapChange(pack.mapInfo, pack.mapGenOpts);
result = true;
}
void ApplyOnServerNetPackVisitor::visitLobbySetCampaign(LobbySetCampaign & pack)
{
srv.si->mapname = pack.ourCampaign->camp->header.filename;
srv.si->mode = StartInfo::CAMPAIGN;
srv.si->campState = pack.ourCampaign;
srv.si->turnTime = 0;
bool isCurrentMapConquerable = pack.ourCampaign->currentMap && pack.ourCampaign->camp->conquerable(*pack.ourCampaign->currentMap);
for(int i = 0; i < pack.ourCampaign->camp->scenarios.size(); i++)
{
if(pack.ourCampaign->camp->conquerable(i))
{
if(!isCurrentMapConquerable || (isCurrentMapConquerable && i == *pack.ourCampaign->currentMap))
{
srv.setCampaignMap(i);
}
}
}
result = true;
}
void ApplyOnServerNetPackVisitor::visitLobbySetCampaignMap(LobbySetCampaignMap & pack)
{
srv.setCampaignMap(pack.mapId);
result = true;
}
void ApplyOnServerNetPackVisitor::visitLobbySetCampaignBonus(LobbySetCampaignBonus & pack)
{
srv.setCampaignBonus(pack.bonusId);
result = true;
}
void ClientPermissionsCheckerNetPackVisitor::visitLobbyGuiAction(LobbyGuiAction & pack)
{
result = srv.isClientHost(pack.c->connectionID);
}
void ClientPermissionsCheckerNetPackVisitor::visitLobbyEndGame(LobbyEndGame & pack)
{
result = srv.isClientHost(pack.c->connectionID);
}
void ApplyOnServerNetPackVisitor::visitLobbyEndGame(LobbyEndGame & pack)
{
srv.prepareToRestart();
result = true;
}
void ApplyOnServerAfterAnnounceNetPackVisitor::visitLobbyEndGame(LobbyEndGame & pack)
{
boost::unique_lock<boost::mutex> stateLock(srv.stateMutex);
for(auto & c : srv.connections)
{
c->enterLobbyConnectionMode();
c->disableStackSendingByID();
}
}
void ClientPermissionsCheckerNetPackVisitor::visitLobbyStartGame(LobbyStartGame & pack)
{
result = srv.isClientHost(pack.c->connectionID);
}
void ApplyOnServerNetPackVisitor::visitLobbyStartGame(LobbyStartGame & pack)
{
try
{
srv.verifyStateBeforeStart(true);
}
catch(...)
{
result = false;
return;
}
// Server will prepare gamestate and we announce StartInfo to clients
if(!srv.prepareToStartGame())
{
result = false;
return;
}
pack.initializedStartInfo = std::make_shared<StartInfo>(*srv.gh->getStartInfo(true));
pack.initializedGameState = srv.gh->gameState();
result = true;
}
void ApplyOnServerAfterAnnounceNetPackVisitor::visitLobbyStartGame(LobbyStartGame & pack)
{
if(pack.clientId == -1) //do not restart game for single client only
srv.startGameImmidiately();
else
{
for(auto & c : srv.connections)
{
if(c->connectionID == pack.clientId)
{
c->enterGameplayConnectionMode(srv.gh->gameState());
srv.reconnectPlayer(pack.clientId);
}
}
}
}
void ClientPermissionsCheckerNetPackVisitor::visitLobbyChangeHost(LobbyChangeHost & pack)
{
result = srv.isClientHost(pack.c->connectionID);
}
void ApplyOnServerNetPackVisitor::visitLobbyChangeHost(LobbyChangeHost & pack)
{
result = true;
}
void ApplyOnServerAfterAnnounceNetPackVisitor::visitLobbyChangeHost(LobbyChangeHost & pack)
{
auto result = srv.passHost(pack.newHostConnectionId);
if(!result)
{
logGlobal->error("passHost returned false. What does it mean?");
}
}
void ClientPermissionsCheckerNetPackVisitor::visitLobbyChangePlayerOption(LobbyChangePlayerOption & pack)
{
if(srv.isClientHost(pack.c->connectionID))
{
result = true;
return;
}
if(vstd::contains(srv.getAllClientPlayers(pack.c->connectionID), pack.color))
{
result = true;
return;
}
result = false;
}
void ApplyOnServerNetPackVisitor::visitLobbyChangePlayerOption(LobbyChangePlayerOption & pack)
{
switch(pack.what)
{
case LobbyChangePlayerOption::TOWN:
srv.optionNextCastle(pack.color, pack.direction);
break;
case LobbyChangePlayerOption::HERO:
srv.optionNextHero(pack.color, pack.direction);
break;
case LobbyChangePlayerOption::BONUS:
srv.optionNextBonus(pack.color, pack.direction);
break;
}
result = true;
}
void ApplyOnServerNetPackVisitor::visitLobbySetPlayer(LobbySetPlayer & pack)
{
srv.setPlayer(pack.clickedColor);
result = true;
}
void ApplyOnServerNetPackVisitor::visitLobbySetTurnTime(LobbySetTurnTime & pack)
{
srv.si->turnTime = pack.turnTime;
result = true;
}
void ApplyOnServerNetPackVisitor::visitLobbySetDifficulty(LobbySetDifficulty & pack)
{
srv.si->difficulty = std::clamp<uint8_t>(pack.difficulty, 0, 4);
result = true;
}
void ApplyOnServerNetPackVisitor::visitLobbyForceSetPlayer(LobbyForceSetPlayer & pack)
{
srv.si->playerInfos[pack.targetPlayerColor].connectedPlayerIDs.insert(pack.targetConnectedPlayer);
result = true;
}