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");
}
}
