// ----------------------------------------------------------------------------
void GetPeerAddress::asynchronousUpdate()
{
if (m_request->isDone())
{
const XMLNode * result = m_request->getXMLData();
std::string success;
if(result->get("success", &success) && success == "yes")
{
uint32_t ip;
result->get("ip", &ip);
m_address.setIP(ip);
uint16_t port;
uint32_t my_ip = NetworkConfig::get()->getMyAddress().getIP();
if (m_address.getIP() == my_ip && !NetworkConfig::m_disable_lan)
result->get("private_port", &port);
else
result->get("port", &port);
m_address.setPort(port);
Log::debug("GetPeerAddress", "Peer address retrieved.");
}
else
{
Log::error("GetPeerAddress", "Failed to get peer address.");
}
requestTerminate();
delete m_request;
m_request = NULL;
}
} // asynchronousUpdate
/** Detects public IP-address and port by first sending a request to a randomly
* selected STUN server and then parsing and validating the response */
void GetPublicAddress::asynchronousUpdate()
{
// If the user has specified an address, use it instead of the stun protocol.
if (m_my_address.getIP() != 0 && m_my_address.getPort() != 0)
{
NetworkConfig::get()->setMyAddress(m_my_address);
m_state = EXITING;
requestTerminate();
}
//#define LAN_TEST
#ifdef LAN_TEST
TransportAddress address(0x7f000001, 4);
NetworkConfig::get()->setMyAddress(address);
m_state = EXITING;
requestTerminate();
return;
#endif
if (m_state == NOTHING_DONE)
{
createStunRequest();
}
if (m_state == STUN_REQUEST_SENT)
{
std::string message = parseStunResponse();
delete m_transaction_host;
if (message != "")
{
Log::warn("GetPublicAddress", "%s", message.c_str());
m_state = NOTHING_DONE; // try again
}
else
{
// The address and the port are known, so the connection can be closed
m_state = EXITING;
requestTerminate();
}
}
} // asynchronousUpdate
/** Simple finite state machine. First get the public ip address. Once this
* is known, register the server and its address with the stk server so that
* client can find it.
*/
void ServerLobbyRoomProtocol::update()
{
switch (m_state)
{
case NONE:
// Start the protocol to find the public ip address.
m_current_protocol = new GetPublicAddress(this);
m_current_protocol->requestStart();
m_state = GETTING_PUBLIC_ADDRESS;
// The callback from GetPublicAddress will wake this protocol up
requestPause();
break;
case GETTING_PUBLIC_ADDRESS:
{
Log::debug("ServerLobbyRoomProtocol", "Public address known.");
// Free GetPublicAddress protocol
delete m_current_protocol;
// Register this server with the STK server. This will block
// this thread, but there is no need for the protocol manager
// to react to any requests before the server is registered.
registerServer();
Log::info("ServerLobbyRoomProtocol", "Server registered.");
m_state = ACCEPTING_CLIENTS;
}
break;
case ACCEPTING_CLIENTS:
{
// Only poll the STK server if this is a WAN server.
if(NetworkConfig::get()->isWAN())
checkIncomingConnectionRequests();
if (m_in_race && World::getWorld() &&
RaceEventManager::getInstance<RaceEventManager>()->isRunning())
{
checkRaceFinished();
}
break;
}
case SELECTING_KARTS:
break; // Nothing to do, this is event based
case DONE:
m_state = EXITING;
requestTerminate();
break;
case EXITING:
break;
}
} // update
// ----------------------------------------------------------------------------
void ConnectToServer::update(int ticks)
{
switch(m_state.load())
{
case GOT_SERVER_ADDRESS:
{
// Make sure lobby display the quick play server name
assert(m_server);
NetworkingLobby::getInstance()->setJoinedServer(m_server);
break;
}
case DONE:
{
// lobby room protocol if we're connected only
if (STKHost::get()->getPeerCount() > 0 &&
STKHost::get()->getServerPeerForClient()->isConnected() &&
!m_server_address.isUnset())
{
// Let main thread create ClientLobby for better
// synchronization with GUI
NetworkConfig::get()->clearActivePlayersForClient();
auto cl = LobbyProtocol::create<ClientLobby>(m_server_address,
m_server);
STKHost::get()->startListening();
cl->requestStart();
}
if (STKHost::get()->getPeerCount() == 0)
{
// Shutdown STKHost (go back to online menu too)
STKHost::get()->setErrorMessage(
_("Cannot connect to server %s.", m_server->getName()));
STKHost::get()->requestShutdown();
}
requestTerminate();
m_state = EXITING;
break;
}
default:
break;
}
} // update
// ----------------------------------------------------------------------------
void StartGameProtocol::update()
{
switch(m_state)
{
case SYNCHRONIZATION_WAIT:
{
// Wait till the synchronisation protocol is running
Protocol *p = ProtocolManager::getInstance()
->getProtocol(PROTOCOL_SYNCHRONIZATION);
SynchronizationProtocol* protocol =
static_cast<SynchronizationProtocol*>(p);
if (protocol)
{
// Now the synchronization protocol exists.
Log::info("StartGameProtocol", "Starting the race loading.");
// This will create the world instance,
// i.e. load track and karts
m_game_setup->getRaceConfig()->setRaceData();
World::getWorld()->setNetworkWorld(true);
m_state = LOADING;
}
break;
}
case LOADING:
{
if (m_ready) m_state = READY;
break;
}
case READY:
{
// set karts into the network game setup
STKHost::get()->getGameSetup()->bindKartsToProfiles();
m_state = EXITING;
requestTerminate();
break;
}
} // switch
} // update
/** Detects public IP-address and port by first sending a request to a randomly
* selected STUN server and then parsing and validating the response */
void GetPublicAddress::asynchronousUpdate()
{
if (m_state == NOTHING_DONE)
{
createStunRequest();
}
if (m_state == STUN_REQUEST_SENT)
{
std::string message = parseStunResponse();
delete m_transaction_host;
if (message != "")
{
Log::warn("GetPublicAddress", "%s", message.c_str());
m_state = NOTHING_DONE; // try again
}
else
{
// The address and the port are known, so the connection can be closed
m_state = EXITING;
requestTerminate();
}
}
} // asynchronousUpdate
/** Simple finite state machine. First get the public ip address. Once this
* is known, register the server and its address with the stk server so that
* client can find it.
*/
void ServerLobbyRoomProtocol::update(float dt)
{
switch (m_state)
{
case NONE:
// Start the protocol to find the public ip address.
m_current_protocol = new GetPublicAddress(this);
m_current_protocol->requestStart();
m_state = GETTING_PUBLIC_ADDRESS;
// The callback from GetPublicAddress will wake this protocol up
requestPause();
break;
case GETTING_PUBLIC_ADDRESS:
{
Log::debug("ServerLobbyRoomProtocol", "Public address known.");
// Free GetPublicAddress protocol
delete m_current_protocol;
// Register this server with the STK server. This will block
// this thread, but there is no need for the protocol manager
// to react to any requests before the server is registered.
registerServer();
Log::info("ServerLobbyRoomProtocol", "Server registered.");
m_state = ACCEPTING_CLIENTS;
}
break;
case ACCEPTING_CLIENTS:
{
// Only poll the STK server if this is a WAN server.
if(NetworkConfig::get()->isWAN())
checkIncomingConnectionRequests();
break;
}
case SELECTING:
break; // Nothing to do, this is event based
case RACING:
if (World::getWorld() &&
RaceEventManager::getInstance<RaceEventManager>()->isRunning())
{
checkRaceFinished();
}
break;
case RESULT_DISPLAY:
if(StkTime::getRealTime() > m_timeout)
{
// Send a notification to all clients to exit
// the race result screen
NetworkString *exit_result_screen = getNetworkString(1);
exit_result_screen->setSynchronous(true);
exit_result_screen->addUInt8(LE_EXIT_RESULT);
sendMessageToPeersChangingToken(exit_result_screen,
/*reliable*/true);
delete exit_result_screen;
m_state = ACCEPTING_CLIENTS;
RaceResultGUI::getInstance()->backToLobby();
// notify the network world that it is stopped
RaceEventManager::getInstance()->stop();
// stop race protocols
findAndTerminateProtocol(PROTOCOL_CONTROLLER_EVENTS);
findAndTerminateProtocol(PROTOCOL_KART_UPDATE);
findAndTerminateProtocol(PROTOCOL_GAME_EVENTS);
}
break;
case DONE:
m_state = EXITING;
requestTerminate();
break;
case EXITING:
break;
}
} // update
// ----------------------------------------------------------------------------
void ConnectToServer::asynchronousUpdate()
{
switch(m_state)
{
case NONE:
{
Log::info("ConnectToServer", "Protocol starting");
// This protocol will write the public address of this
// instance to STKHost.
m_current_protocol = new GetPublicAddress(this);
m_current_protocol->requestStart();
// This protocol will be unpaused in the callback from
// GetPublicAddress
requestPause();
m_state = GETTING_SELF_ADDRESS;
break;
}
case GETTING_SELF_ADDRESS:
{
delete m_current_protocol; // delete GetPublicAddress
m_current_protocol = NULL;
registerWithSTKServer(); // Register us with STK server
if (m_quick_join)
{
handleQuickConnect();
// Quick connect will give us the server details,
// so we can immediately try to connect to the server
m_state = REQUESTING_CONNECTION;
}
else
{
m_state = GOT_SERVER_ADDRESS;
}
}
break;
case GOT_SERVER_ADDRESS:
{
assert(!m_quick_join);
delete m_current_protocol;
m_current_protocol = NULL;
Log::info("ConnectToServer", "Server's address known");
// we're in the same lan (same public ip address) !!
if (m_server_address.getIP() ==
NetworkConfig::get()->getMyAddress().getIP())
{
Log::info("ConnectToServer",
"Server appears to be in the same LAN.");
}
m_state = REQUESTING_CONNECTION;
m_current_protocol = new RequestConnection(m_server_id);
m_current_protocol->requestStart();
break;
}
case REQUESTING_CONNECTION:
// In case of a LAN server, m_crrent_protocol is NULL
if (!m_current_protocol ||
m_current_protocol->getState() == PROTOCOL_STATE_TERMINATED)
{
delete m_current_protocol;
m_current_protocol = NULL;
// Server knows we want to connect
Log::info("ConnectToServer", "Connection request made");
if (m_server_address.getIP() == 0 ||
m_server_address.getPort() == 0 )
{
// server data not correct, hide address and stop
m_state = HIDING_ADDRESS;
Log::error("ConnectToServer", "Server address is %s",
m_server_address.toString().c_str());
m_current_protocol = new HidePublicAddress();
m_current_protocol->requestStart();
return;
}
if (m_server_address.getIP()
== NetworkConfig::get()->getMyAddress().getIP() ||
NetworkConfig::get()->isLAN())
{
// We're in the same lan (same public ip address).
// The state will change to CONNECTING
handleSameLAN();
}
else
{
m_state = CONNECTING;
m_current_protocol = new PingProtocol(m_server_address, 2.0);
m_current_protocol->requestStart();
}
}
break;
case CONNECTING: // waiting the server to answer our connection
{
static double timer = 0;
if (StkTime::getRealTime() > timer+5.0) // every 5 seconds
{
STKHost::get()->connect(m_server_address);
timer = StkTime::getRealTime();
Log::info("ConnectToServer", "Trying to connect to %s",
m_server_address.toString().c_str());
}
break;
}
case CONNECTED:
{
Log::info("ConnectToServer", "Connected");
if(m_current_protocol)
{
// Kill the ping protocol because we're connected
m_current_protocol->requestTerminate();
}
delete m_current_protocol;
m_current_protocol = NULL;
// LAN networking does not use the stk server tables.
if(NetworkConfig::get()->isWAN())
{
m_current_protocol = new HidePublicAddress();
m_current_protocol->requestStart();
}
m_state = HIDING_ADDRESS;
break;
}
case HIDING_ADDRESS:
// Wait till we have hidden our address
if (!m_current_protocol ||
m_current_protocol->getState() == PROTOCOL_STATE_TERMINATED)
{
if(m_current_protocol)
{
delete m_current_protocol;
m_current_protocol = NULL;
Log::info("ConnectToServer", "Address hidden");
}
m_state = DONE;
// lobby room protocol if we're connected only
if(STKHost::get()->getPeers()[0]->isConnected())
{
Protocol *p = new ClientLobbyRoomProtocol(m_server_address);
p->requestStart();
}
}
break;
case DONE:
requestTerminate();
m_state = EXITING;
break;
case EXITING:
break;
}
} // asynchronousUpdate
void Enchantment::applyEnchantment(std::shared_ptr<Object> target)
{
//Invalid target?
if( target->isTerminated() || (!target->isAlive() && !_enchantProfile->_target._stay) ) {
Log::get().warn("%s:%d: invalid target\n", __FILE__, __LINE__);
requestTerminate();
return;
}
//Already added to a target?
if(_target.lock()) {
throw std::logic_error("Enchantment::applyEnchantment() - Already applied\n");
}
// do retargeting, if necessary
// Should it choose an inhand item?
if (_enchantProfile->retarget) {
// Left, right, or both are valid
if (target->getRightHandItem()) {
// Only right hand is valid
target = target->getRightHandItem();
}
else if (target->getLeftHandItem()) {
// Pick left hand
target = target->getLeftHandItem();
}
else {
// No weapons to pick, make it fail
Log::get().debug("Enchantment::applyEnchantment() - failed because target has no valid items in hand\n");
requestTerminate();
return;
}
}
//Set our target, stored as a weak_ptr
_target = target;
// Check damage type, 90% damage resistance is enough to resist the enchant
if (_enchantProfile->required_damagetype < DAMAGE_COUNT) {
if (target->getDamageReduction(_enchantProfile->required_damagetype) >= 0.90f) {
Log::get().debug("Enchantment::applyEnchantment() - failed because the target is immune to the enchant.\n");
requestTerminate();
return;
}
}
// Check if target has the required damage type we need
if (_enchantProfile->require_damagetarget_damagetype < DAMAGE_COUNT) {
if (target->damagetarget_damagetype != _enchantProfile->require_damagetarget_damagetype) {
Log::get().warn("%s:%d: application of enchantment failed because the target not have the right damagetarget_damagetype.\n", __FILE__, __LINE__);
requestTerminate();
return;
}
}
//modify enchant duration with damage resistance (bad resistance actually *increases* duration!)
if ( _lifeTime > 0 && _enchantProfile->required_damagetype < DAMAGE_COUNT && target ) {
_lifeTime -= std::ceil(target->getDamageReduction(_enchantProfile->required_damagetype) * _enchantProfile->lifetime);
}
// Create an overlay character?
if (_enchantProfile->spawn_overlay)
{
std::shared_ptr<Object> overlay = _currentModule->spawnObject(target->getPosition(), _spawnerProfileID, target->team, 0, target->ori.facing_z, "", ObjectRef::Invalid );
if (overlay)
{
_overlay = overlay; //Kill this character on end...
overlay->ai.setTarget(target->getObjRef());
overlay->is_overlay = true;
overlay->ai.state = _enchantProfile->spawn_overlay; // ??? WHY DO THIS ???
// Start out with ActionMJ... Object activated
int action = overlay->getProfile()->getModel()->getAction(ACTION_MJ);
if ( !ACTION_IS_TYPE( action, D ) )
{
chr_start_anim( overlay.get(), action, false, true );
}
// Assume it's transparent...
overlay->setLight(254);
overlay->setAlpha(128);
}
}
//Check if this enchant has any set modifiers that conflicts with another enchant
_modifiers.remove_if([this, &target](const EnchantModifier &modifier) {
//Only set types can conflict
if(!Ego::Attribute::isOverrideSetAttribute(modifier._type)) {
return false;
}
//Is there no conflict?
if(target->getTempAttributes().find(modifier._type) == target->getTempAttributes().end()) {
return false;
}
//Ok there exist a conflict, so now we have to resolve it somehow
//Does this enchant override other enchants?
if(getProfile()->_override) {
bool conflictResolved = false;
//Find the active enchant that conflicts with us
for(const std::shared_ptr<Ego::Enchantment> &conflictingEnchant : target->getActiveEnchants()) {
conflictingEnchant->_modifiers.remove_if([this, &conflictingEnchant, &modifier, &conflictResolved](const EnchantModifier &otherModifier)
{
//Is this the one?
if(modifier._type == otherModifier._type) {
conflictResolved = true;
//Remove Enchants that conflict with this one?
if(getProfile()->remove_overridden) {
conflictingEnchant->requestTerminate();
}
return true;
}
//Nope, keep looking
return false;
});
//Has it been resolved?
if(conflictResolved) {
break;
}
}
//We have higher priority than exiting enchants
return false;
}
else {
//The existing enchant has higher priority than ours
return true;
}
});
//Now actually apply the values to the target
for(const EnchantModifier &modifier : _modifiers)
{
//These should never occur
if(modifier._type == Ego::Attribute::NR_OF_PRIMARY_ATTRIBUTES ||
modifier._type == Ego::Attribute::NR_OF_ATTRIBUTES)
{
throw std::logic_error("Enchant.cpp - Invalid enchant type: meta-type as modifier");
}
//Morph is special and handled differently than others
if(modifier._type == Ego::Attribute::MORPH) {
//Store target's original armor
target->getTempAttributes()[Ego::Attribute::MORPH] = target->skin;
//Transform the object
target->polymorphObject(_spawnerProfileID, 0);
}
//Is it a set type?
else if(Ego::Attribute::isOverrideSetAttribute(modifier._type)) {
target->getTempAttributes()[modifier._type] = modifier._value;
}
//It's a cumulative addition
else {
target->getTempAttributes()[modifier._type] += modifier._value;
}
}
//Finally apply boost values to owner as well
std::shared_ptr<Object> owner = _owner.lock();
if(owner != nullptr && !owner->isTerminated()) {
owner->getTempAttributes()[Ego::Attribute::MANA_REGEN] += _ownerManaSustain;
owner->getTempAttributes()[Ego::Attribute::LIFE_REGEN] += _ownerLifeSustain;
}
//Insert this enchantment into the Objects list of active enchants
target->getActiveEnchants().push_front(shared_from_this());
}
void Enchantment::update()
{
if(isTerminated()) return;
//Have we lost our target?
std::shared_ptr<Object> target = _target.lock();
std::shared_ptr<Object> owner = _owner.lock();
if(target == nullptr || target->isTerminated()) {
requestTerminate();
return;
}
//End enchant if owner of the Enchant has died?
if(!_enchantProfile->_owner._stay) {
if(!owner || !owner->isAlive()) {
requestTerminate();
return;
}
}
//End enchant if target of the enchant has died?
if(!_enchantProfile->_target._stay && !target->isAlive()) {
requestTerminate();
return;
}
//Spawn particles?
if(_spawnParticlesTimer > 0) {
_spawnParticlesTimer--;
if(_spawnParticlesTimer == 0) {
_spawnParticlesTimer = _enchantProfile->contspawn._delay;
FACING_T facing = target->ori.facing_z;
for (uint8_t i = 0; i < _enchantProfile->contspawn._amount; ++i)
{
ParticleHandler::get().spawnLocalParticle(target->getPosition(), facing, _spawnerProfileID, _enchantProfile->contspawn._lpip,
ObjectRef::Invalid, GRIP_LAST,
owner != nullptr ? owner->getTeam().toRef() : static_cast<TEAM_REF>(Team::TEAM_DAMAGE),
owner != nullptr ? owner->getObjRef() : ObjectRef::Invalid,
ParticleRef::Invalid, i, ObjectRef::Invalid);
facing += _enchantProfile->contspawn._facingAdd;
}
}
}
//Can we kill the target by draining life?
if(target->isAlive()) {
if (target->getLife() + _targetLifeDrain < 0.0f) {
target->kill(owner, false);
}
}
//Can the owner still sustain us?
if (owner && owner->isAlive()) {
//Killed by draining life?
if(owner->getLife() + _ownerLifeSustain < 0.0f) {
owner->kill(target, false);
if(_enchantProfile->endIfCannotPay || !_enchantProfile->_target._stay) {
requestTerminate();
return;
}
}
//Owner has no longer enough mana to sustain the enchant?
if(_enchantProfile->endIfCannotPay) {
if(owner->getMana() + _ownerManaSustain < 0.0f) {
requestTerminate();
return;
}
}
}
//Decrement the lifetimer
if(_lifeTime > 0) {
if(_lifeTime == 0) {
requestTerminate();
}
}
}
