Do not accept connections into ongoing game

lib/network/NetworkServer.cpp

@@ -16,7 +16,6 @@ VCMI_LIB_NAMESPACE_BEGIN
 NetworkServer::NetworkServer(INetworkServerListener & listener)
 	:listener(listener)
 {
-
 }
 
 void NetworkServer::start(uint16_t port)
@@ -63,6 +62,12 @@ void NetworkServer::sendPacket(const std::shared_ptr<NetworkConnection> & connec
 	connection->sendPacket(message);
 }
 
+void NetworkServer::closeConnection(const std::shared_ptr<NetworkConnection> & connection)
+{
+	assert(connections.count(connection));
+	connections.erase(connection);
+}
+
 void NetworkServer::onDisconnected(const std::shared_ptr<NetworkConnection> & connection)
 {
 	assert(connections.count(connection));

lib/network/NetworkServer.h

@@ -33,6 +33,7 @@ public:
 	explicit NetworkServer(INetworkServerListener & listener);
 
 	void sendPacket(const std::shared_ptr<NetworkConnection> &, const std::vector<uint8_t> & message);
+	void closeConnection(const std::shared_ptr<NetworkConnection> &);
 
 	void start(uint16_t port);
 	void run(std::chrono::milliseconds duration);

server/CVCMIServer.cpp

@@ -178,22 +178,22 @@ void CVCMIServer::onNewConnection(const std::shared_ptr<NetworkConnection> & con
 
 	if(state == EServerState::LOBBY)
 	{
-		activeConnections.push_back(std::make_shared<CConnection>(connection));//, SERVER_NAME, uuid);)
+		activeConnections.push_back(std::make_shared<CConnection>(connection));
 		activeConnections.back()->enterLobbyConnectionMode();
 	}
-	// TODO: else: deny connection
-	// TODO: else: try to reconnect / send state to reconnected client
+	else
+	{
+		networkServer->closeConnection(connection);
+	}
 }
 
 void CVCMIServer::onPacketReceived(const std::shared_ptr<NetworkConnection> & connection, const std::vector<uint8_t> & message)
 {
 	std::shared_ptr<CConnection> c = findConnection(connection);
-	CPack * pack = c->retrievePack(message);
+	auto pack = c->retrievePack(message);
 	pack->c = c;
 	CVCMIServerPackVisitor visitor(*this, this->gh);
 	pack->visit(visitor);
-
-	//FIXME: delete pack?
 }
 
 void CVCMIServer::onConnectionFailed(const std::string & errorMessage)