bool KartUpdateProtocol::notifyEventAsynchronous(Event* event) { if (event->type != EVENT_TYPE_MESSAGE) return true; NetworkString ns = event->data(); if (ns.size() < 36) { Log::info("KartUpdateProtocol", "Message too short."); return true; } ns.removeFront(4); while(ns.size() >= 16) { uint32_t kart_id = ns.getUInt32(0); float a,b,c; a = ns.getFloat(4); b = ns.getFloat(8); c = ns.getFloat(12); float d,e,f,g; d = ns.getFloat(16); e = ns.getFloat(20); f = ns.getFloat(24); g = ns.getFloat(28); pthread_mutex_trylock(&m_positions_updates_mutex); m_next_positions.push_back(Vec3(a,b,c)); m_next_quaternions.push_back(btQuaternion(d,e,f,g)); m_karts_ids.push_back(kart_id); pthread_mutex_unlock(&m_positions_updates_mutex); ns.removeFront(32); } return true; }
/*! \brief Called when a player asks for a connection. * \param event : Event providing the information. * * Format of the data : * Byte 0 1 5 * ------------------------ * Size | 1 | 4 | * Data | 4 | global player id | * ------------------------ */ void ServerLobbyRoomProtocol::connectionRequested(Event* event) { STKPeer* peer = *(event->peer); NetworkString data = event->data(); if (data.size() != 5 || data[0] != 4) { Log::warn("ServerLobbyRoomProtocol", "Receiving badly formated message. Size is %d and first byte %d", data.size(), data[0]); return; } uint32_t player_id = 0; player_id = data.getUInt32(1); // can we add the player ? if (m_setup->getPlayerCount() < ServerNetworkManager::getInstance()->getMaxPlayers()) //accept { // add the player to the game setup m_next_id = m_setup->getPlayerCount(); // notify everybody that there is a new player NetworkString message; // new player (1) -- size of id -- id -- size of local id -- local id; message.ai8(1).ai8(4).ai32(player_id).ai8(1).ai8(m_next_id); m_listener->sendMessageExcept(this, peer, message); /// now answer to the peer that just connected RandomGenerator token_generator; // use 4 random numbers because rand_max is probably 2^15-1. uint32_t token = (uint32_t)(((token_generator.get(RAND_MAX)<<24) & 0xff) + ((token_generator.get(RAND_MAX)<<16) & 0xff) + ((token_generator.get(RAND_MAX)<<8) & 0xff) + ((token_generator.get(RAND_MAX) & 0xff))); // send a message to the one that asked to connect NetworkString message_ack; // connection success (129) -- size of token -- token message_ack.ai8(0x81).ai8(1).ai8(m_next_id).ai8(4).ai32(token).ai8(4).ai32(player_id); // add all players so that this user knows std::vector<NetworkPlayerProfile*> players = m_setup->getPlayers(); for (unsigned int i = 0; i < players.size(); i++) { // do not duplicate the player into the message if (players[i]->race_id != m_next_id && players[i]->user_profile->getID() != player_id) message_ack.ai8(1).ai8(players[i]->race_id).ai8(4).ai32(players[i]->user_profile->getID()); } m_listener->sendMessage(this, peer, message_ack); peer->setClientServerToken(token); NetworkPlayerProfile* profile = new NetworkPlayerProfile(); profile->race_id = m_next_id; profile->kart_name = ""; profile->user_profile = new Online::OnlineProfile(player_id, ""); m_setup->addPlayer(profile); peer->setPlayerProfile(profile); Log::verbose("ServerLobbyRoomProtocol", "New player."); } // accept player else // refuse the connection with code 0 (too much players) { NetworkString message; message.ai8(0x80); // 128 means connection refused message.ai8(1); // 1 bytes for the error code message.ai8(0); // 0 = too much players // send only to the peer that made the request m_listener->sendMessage(this, peer, message); Log::verbose("ServerLobbyRoomProtocol", "Player refused"); } }