void NewFleetOrder::ExecuteImpl() const {
ValidateEmpireID();
if (m_system_id == INVALID_OBJECT_ID) {
ErrorLogger() << "Empire attempted to create a new fleet outside a system";
return;
}
TemporaryPtr<System> system = GetSystem(m_system_id);
if (!system) {
ErrorLogger() << "Empire attempted to create a new fleet in a nonexistant system";
return;
}
if (m_fleet_names.empty())
return;
if (m_fleet_names.size() != m_fleet_ids.size()
|| m_fleet_names.size() != m_ship_id_groups.size()
|| m_fleet_names.size() != m_aggressives.size())
{
ErrorLogger() << "NewFleetOrder has inconsistent data container sizes...";
return;
}
GetUniverse().InhibitUniverseObjectSignals(true);
std::vector<TemporaryPtr<Fleet> > created_fleets;
created_fleets.reserve(m_fleet_names.size());
// create fleet for each group of ships
for (int i = 0; i < static_cast<int>(m_fleet_names.size()); ++i) {
const std::string& fleet_name = m_fleet_names[i];
int fleet_id = m_fleet_ids[i];
const std::vector<int>& ship_ids = m_ship_id_groups[i];
bool aggressive = m_aggressives[i];
if (ship_ids.empty())
continue; // nothing to do...
// validate specified ships
std::vector<TemporaryPtr<Ship> > validated_ships;
std::vector<int> validated_ships_ids;
for (unsigned int i = 0; i < ship_ids.size(); ++i) {
// verify that empire is not trying to take ships from somebody else's fleet
TemporaryPtr<Ship> ship = GetShip(ship_ids[i]);
if (!ship) {
ErrorLogger() << "Empire attempted to create a new fleet with an invalid ship";
continue;
}
if (!ship->OwnedBy(EmpireID())) {
ErrorLogger() << "Empire attempted to create a new fleet with ships from another's fleet.";
continue;
}
if (ship->SystemID() != m_system_id) {
ErrorLogger() << "Empire attempted to make a new fleet from ship in the wrong system";
continue;
}
validated_ships.push_back(ship);
validated_ships_ids.push_back(ship->ID());
}
if (validated_ships.empty())
continue;
// create fleet
TemporaryPtr<Fleet> fleet = GetUniverse().CreateFleet(fleet_name, system->X(), system->Y(),
EmpireID(), fleet_id);
fleet->GetMeter(METER_STEALTH)->SetCurrent(Meter::LARGE_VALUE);
fleet->SetAggressive(aggressive);
// an ID is provided to ensure consistancy between server and client universes
GetUniverse().SetEmpireObjectVisibility(EmpireID(), fleet->ID(), VIS_FULL_VISIBILITY);
system->Insert(fleet);
// new fleet will get same m_arrival_starlane as fleet of the first ship in the list.
TemporaryPtr<Ship> firstShip = validated_ships[0];
TemporaryPtr<Fleet> firstFleet = GetFleet(firstShip->FleetID());
if (firstFleet)
fleet->SetArrivalStarlane(firstFleet->ArrivalStarlane());
// remove ships from old fleet(s) and add to new
for (std::vector<TemporaryPtr<Ship> >::iterator ship_it = validated_ships.begin();
ship_it != validated_ships.end(); ++ship_it)
{
TemporaryPtr<Ship> ship = *ship_it;
if (TemporaryPtr<Fleet> old_fleet = GetFleet(ship->FleetID()))
old_fleet->RemoveShip(ship->ID());
ship->SetFleetID(fleet->ID());
}
fleet->AddShips(validated_ships_ids);
created_fleets.push_back(fleet);
}
GetUniverse().InhibitUniverseObjectSignals(false);
system->FleetsInsertedSignal(created_fleets);
system->StateChangedSignal();
}
