bool HumanClientApp::CanSaveNow() const {
// only host can save in multiplayer
if (!SinglePlayerGame() && !Networking().PlayerIsHost(PlayerID()))
return false;
// can't save while AIs are playing their turns...
for (std::map<int, PlayerInfo>::const_iterator player_it = this->m_player_info.begin();
player_it != this->m_player_info.end(); ++player_it)
{
const PlayerInfo& info = player_it->second;
if (info.client_type != Networking::CLIENT_TYPE_AI_PLAYER)
continue; // only care about AIs
std::map<int, Message::PlayerStatus>::const_iterator
status_it = this->m_player_status.find(player_it->first);
if (status_it == this->m_player_status.end()) {
return false; // missing status for AI; can't assume it's ready
}
if (status_it->second != Message::WAITING) {
return false;
}
}
return true;
}
void AIClientApp::HandlePythonAICrash() {
// Note: If python crashed during initialization then the AI has not
// been associated with a PlayerConnection so the server will not
// know the AI's PlayerName.
std::stringstream err_msg;
err_msg << "AIClientApp failed due to error in python AI code for " << PlayerName() << ". Exiting Soon.";
ErrorLogger() << err_msg.str() << " id = " << PlayerID();
Networking().SendMessage(
ErrorMessage(str(FlexibleFormat(UserString("ERROR_PYTHON_AI_CRASHED")) % PlayerName()) , true));
}
void AIClientApp::Run() {
ConnectToServer();
try {
StartPythonAI();
// join game
Networking().SendMessage(JoinGameMessage(PlayerName(),
Networking::CLIENT_TYPE_AI_PLAYER,
boost::uuids::nil_uuid()));
// Start parsing content
StartBackgroundParsing();
// respond to messages until disconnected
while (1) {
try {
if (!Networking().IsRxConnected())
break;
if (const auto msg = Networking().GetMessage())
HandleMessage(*msg);
else
std::this_thread::sleep_for(std::chrono::milliseconds(10));
} catch (const boost::python::error_already_set&) {
/* If the python interpreter is still running then keep
going, otherwise exit.*/
m_AI->HandleErrorAlreadySet();
if (!m_AI->IsPythonRunning())
throw;
}
}
} catch (const NormalExitException&) {
// intentionally empty.
} catch (const boost::python::error_already_set&) {
HandlePythonAICrash();
}
Networking().DisconnectFromServer();
}
void AIClientApp::HandleMessage(const Message& msg) {
//DebugLogger() << "AIClientApp::HandleMessage " << msg.Type();
switch (msg.Type()) {
case Message::ERROR_MSG: {
ErrorLogger() << "AIClientApp::HandleMessage : Received ERROR message from server: " << msg.Text();
break;
}
case Message::HOST_ID: {
const std::string& text = msg.Text();
int host_id = Networking::INVALID_PLAYER_ID;
if (text.empty()) {
ErrorLogger() << "AIClientApp::HandleMessage for HOST_ID : Got empty message text?!";
} else {
try {
host_id = boost::lexical_cast<int>(text);
} catch(const boost::bad_lexical_cast& ex) {
ErrorLogger() << "AIClientApp::HandleMessage for HOST_ID : Couldn't parse message text \"" << text << "\": " << ex.what();
}
}
m_networking->SetHostPlayerID(host_id);
break;
}
case Message::JOIN_GAME: {
if (PlayerID() == Networking::INVALID_PLAYER_ID) {
DebugLogger() << "AIClientApp::HandleMessage : Received JOIN_GAME acknowledgement";
try {
int player_id;
boost::uuids::uuid cookie; // ignore
ExtractJoinAckMessageData(msg, player_id, cookie);
m_networking->SetPlayerID(player_id);
} catch(const boost::bad_lexical_cast& ex) {
ErrorLogger() << "AIClientApp::HandleMessage for JOIN_GAME : Couldn't parse message text \"" << msg.Text() << "\": " << ex.what();
}
} else {
ErrorLogger() << "AIClientApp::HandleMessage : Received erroneous JOIN_GAME acknowledgement when already in a game";
}
break;
}
case Message::GAME_START: {
DebugLogger() << "AIClientApp::HandleMessage : Received GAME_START message; starting AI turn...";
bool single_player_game; // ignored
bool loaded_game_data;
bool ui_data_available; // ignored
SaveGameUIData ui_data; // ignored
bool state_string_available; // ignored, as save_state_string is sent even if not set by ExtractMessageData
std::string save_state_string;
m_empire_status.clear();
ExtractGameStartMessageData(msg, single_player_game, m_empire_id,
m_current_turn, m_empires, m_universe,
GetSpeciesManager(), GetCombatLogManager(), GetSupplyManager(),
m_player_info, m_orders, loaded_game_data,
ui_data_available, ui_data, state_string_available,
save_state_string, m_galaxy_setup_data);
DebugLogger() << "Extracted GameStart message for turn: " << m_current_turn << " with empire: " << m_empire_id;
GetUniverse().InitializeSystemGraph(m_empire_id);
DebugLogger() << "Message::GAME_START loaded_game_data: " << loaded_game_data;
if (loaded_game_data) {
TraceLogger() << "Message::GAME_START save_state_string: " << save_state_string;
m_AI->ResumeLoadedGame(save_state_string);
Orders().ApplyOrders();
} else {
DebugLogger() << "Message::GAME_START Starting New Game!";
// % Distribution of aggression levels
// Aggression : 0 1 2 3 4 5 (0=Beginner, 5=Maniacal)
// __ __ __ __ __ __
//Max 0 :100 0 0 0 0 0
//Max 1 : 25 75 0 0 0 0
//Max 2 : 0 25 75 0 0 0
//Max 3 : 0 0 25 75 0 0
//Max 4 : 0 0 0 25 75 0
//Max 5 : 0 0 0 0 25 75
// Optional aggression table, possibly for 0.4.4+?
// Aggression : 0 1 2 3 4 5 (0=Beginner, 5=Maniacal)
// __ __ __ __ __ __
//Max 0 :100 0 0 0 0 0
//Max 1 : 25 75 0 0 0 0
//Max 2 : 8 17 75 0 0 0
//Max 3 : 0 8 17 75 0 0
//Max 4 : 0 0 8 17 75 0
//Max 5 : 0 0 0 8 17 75
const std::string g_seed = GetGalaxySetupData().m_seed;
const std::string emp_name = GetEmpire(m_empire_id)->Name();
unsigned int my_seed = 0;
try {
// generate consistent my_seed values from galaxy seed & empire name.
boost::hash<std::string> string_hash;
std::size_t h = string_hash(g_seed);
my_seed = 3 * static_cast<unsigned int>(h) * static_cast<unsigned int>(string_hash(emp_name));
DebugLogger() << "Message::GAME_START getting " << emp_name << " AI aggression, RNG Seed: " << my_seed;
} catch (...) {
DebugLogger() << "Message::GAME_START getting " << emp_name << " AI aggression, could not initialise RNG.";
}
int rand_num = 0;
int this_aggr = m_max_aggression;
if (this_aggr > 0 && my_seed > 0) {
Seed(my_seed);
rand_num = RandSmallInt(0, 99);
// if it's in the top 25% then decrease aggression.
if (rand_num > 74) this_aggr--;
// Leaving the following as commented out code for now. Possibly for 0.4.4+?
// in the top 8% ? decrease aggression again, unless it's already as low as it gets.
// if (rand_num > 91 && this_aggr > 0) this_aggr--;
}
DebugLogger() << "Message::GAME_START setting AI aggression as " << this_aggr << " (from rnd " << rand_num << "; max aggression " << m_max_aggression << ")";
m_AI->SetAggression(this_aggr);
m_AI->StartNewGame();
}
m_AI->GenerateOrders();
break;
}
case Message::SAVE_GAME_COMPLETE:
break;
case Message::TURN_UPDATE: {
//DebugLogger() << "AIClientApp::HandleMessage : extracting turn update message data";
ExtractTurnUpdateMessageData(msg, m_empire_id, m_current_turn,
m_empires, m_universe, GetSpeciesManager(),
GetCombatLogManager(), GetSupplyManager(), m_player_info);
//DebugLogger() << "AIClientApp::HandleMessage : generating orders";
GetUniverse().InitializeSystemGraph(m_empire_id);
m_AI->GenerateOrders();
//DebugLogger() << "AIClientApp::HandleMessage : done handling turn update message";
break;
}
case Message::TURN_PARTIAL_UPDATE:
ExtractTurnPartialUpdateMessageData(msg, m_empire_id, m_universe);
break;
case Message::TURN_PROGRESS: {
Message::TurnProgressPhase phase_id;
ExtractTurnProgressMessageData(msg, phase_id);
ClientApp::HandleTurnPhaseUpdate(phase_id);
break;
}
case Message::PLAYER_STATUS:
break;
case Message::END_GAME: {
DebugLogger() << "Message::END_GAME : Exiting";
DebugLogger() << "Acknowledge server shutdown message.";
Networking().SendMessage(AIEndGameAcknowledgeMessage());
ExitApp(0);
break;
}
case Message::PLAYER_CHAT: {
std::string data;
int player_id;
boost::posix_time::ptime timestamp;
ExtractServerPlayerChatMessageData(msg, player_id, timestamp, data);
m_AI->HandleChatMessage(player_id, data);
break;
}
case Message::DIPLOMACY: {
DiplomaticMessage diplo_message;
ExtractDiplomacyMessageData(msg, diplo_message);
m_AI->HandleDiplomaticMessage(diplo_message);
break;
}
case Message::DIPLOMATIC_STATUS: {
DiplomaticStatusUpdateInfo diplo_update;
ExtractDiplomaticStatusMessageData(msg, diplo_update);
m_AI->HandleDiplomaticStatusUpdate(diplo_update);
break;
}
case Message::LOGGER_CONFIG: {
std::set<std::tuple<std::string, std::string, LogLevel>> options;
ExtractLoggerConfigMessageData(msg, options);
SetLoggerThresholds(options);
break;
}
case Message::CHECKSUM: {
TraceLogger() << "(AIClientApp) CheckSum.";
VerifyCheckSum(msg);
break;
}
default: {
ErrorLogger() << "AIClientApp::HandleMessage : Received unknown Message type code " << msg.Type();
break;
}
}
//DebugLogger() << "AIClientApp::HandleMessage done";
}
void AIClientApp::ConnectToServer() {
if (!Networking().ConnectToLocalHostServer())
ExitApp(1);
}
AIClientApp::~AIClientApp() {
Networking().DisconnectFromServer();
DebugLogger() << "AIClientApp exited cleanly for ai client " << PlayerName();
}