Beispiel #1
0
CombatInfo::CombatInfo(int system_id_, int turn_) :
    turn(turn_),
    system_id(system_id_)
{
    TemporaryPtr<System> system = ::GetSystem(system_id);
    if (!system) {
        Logger().errorStream() << "CombatInfo constructed with invalid system id: " << system_id;
        return;
    }

    // add system to full / complete objects in combat - NOTE: changed from copy of system
    objects.Insert(system);


    // find ships and their owners in system
    std::vector<TemporaryPtr<Ship> > ships =
        Objects().FindObjects<Ship>(system->ShipIDs());

    for (std::vector<TemporaryPtr<Ship> >::const_iterator ship_it = ships.begin();
         ship_it != ships.end(); ++ship_it)
    {
        TemporaryPtr<Ship> ship = *ship_it;
        // add owner to empires that have assets in this battle
        empire_ids.insert(ship->Owner());

        objects.Insert(ship);
    }

    // find planets and their owners in system
    std::vector<TemporaryPtr<Planet> > planets =
        Objects().FindObjects<Planet>(system->PlanetIDs());

    for (std::vector<TemporaryPtr<Planet> >::const_iterator planet_it = planets.begin();
         planet_it != planets.end(); ++planet_it)
    {
        TemporaryPtr<Planet> planet = *planet_it;
        // if planet is populated, add owner to empires that have assets in this battle
        if (planet->CurrentMeterValue(METER_POPULATION) > 0.0)
            empire_ids.insert(planet->Owner());

        objects.Insert(planet);
    }

    // TODO: should buildings be considered separately?

    // now that all participants in the battle have been found, loop through
    // objects again to assemble each participant empire's latest
    // known information about all objects in this battle

    // system
    for (std::set<int>::const_iterator empire_it = empire_ids.begin();
         empire_it != empire_ids.end(); ++empire_it)
    {
        int empire_id = *empire_it;
        if (empire_id == ALL_EMPIRES)
            continue;
        empire_known_objects[empire_id].Insert(GetEmpireKnownSystem(system->ID(), empire_id));
    }

    // ships
    for (std::vector<TemporaryPtr<Ship> >::const_iterator it = ships.begin();
         it != ships.end(); ++it)
    {
        TemporaryPtr<Ship> ship = *it;
        int ship_id = ship->ID();
        TemporaryPtr<const Fleet> fleet = GetFleet(ship->FleetID());
        if (!fleet) {
            Logger().errorStream() << "CombatInfo::CombatInfo couldn't get fleet with id "
                                   << ship->FleetID() << " in system " << system->Name() << " (" << system_id << ")";
            continue;
        }

        for (std::set<int>::const_iterator empire_it = empire_ids.begin();
             empire_it != empire_ids.end(); ++empire_it)
        {
            int empire_id = *empire_it;
            if (empire_id == ALL_EMPIRES)
                continue;
            if (GetUniverse().GetObjectVisibilityByEmpire(ship_id, empire_id) >= VIS_BASIC_VISIBILITY ||
                   (fleet->Aggressive() &&
                       (empire_id == ALL_EMPIRES ||
                        fleet->Unowned() ||
                        Empires().GetDiplomaticStatus(empire_id, fleet->Owner()) == DIPLO_WAR)))
            { empire_known_objects[empire_id].Insert(GetEmpireKnownShip(ship->ID(), empire_id));}
        }
    }

    // planets
    for (std::vector<TemporaryPtr<Planet> >::const_iterator it = planets.begin();
         it != planets.end(); ++it)
    {
        TemporaryPtr<Planet> planet = *it;
        int planet_id = planet->ID();

        for (std::set<int>::const_iterator empire_it = empire_ids.begin(); empire_it != empire_ids.end(); ++empire_it) {
            int empire_id = *empire_it;
            if (empire_id == ALL_EMPIRES)
                continue;
            if (GetUniverse().GetObjectVisibilityByEmpire(planet_id, empire_id) >= VIS_BASIC_VISIBILITY) {
                empire_known_objects[empire_id].Insert(GetEmpireKnownPlanet(planet->ID(), empire_id));
            }
        }
    }

    // after battle is simulated, any changes to latest known or actual objects
    // will be copied back to the main Universe's ObjectMap and the Universe's
    // empire latest known objects ObjectMap - NOTE: Using the real thing now
}