double Fleet::MaxFuel() const {
if (NumShips() < 1)
return 0.0;
// determine the maximum amount of fuel that can be stored by the ship in the fleet that
// can store the least amount of fuel
double max_fuel = Meter::LARGE_VALUE;
bool is_fleet_scrapped = true;
for (const_iterator ship_it = begin(); ship_it != end(); ++ship_it) {
const Ship* ship = GetShip(*ship_it);
if (!ship) {
Logger().errorStream() << "Fleet::MaxFuel couldn't get ship with id " << *ship_it;
continue;
}
const Meter* meter = ship->UniverseObject::GetMeter(METER_FUEL);
if (!meter) {
Logger().errorStream() << "Fleet::MaxFuel skipping ship with no fuel meter";
continue;
}
if (!ship->OrderedScrapped()) {
max_fuel = std::min(max_fuel, meter->Current());
is_fleet_scrapped = false;
}
}
if (is_fleet_scrapped) {
max_fuel = 0.0;
}
return max_fuel;
}
// If the game is not yet over (ie: at least two players have planets or
// fleets remaining), returns -1. If the game is over (ie: only one player
// is left) then that player's number is returned. If there are no
// remaining players, then the game is a draw and 0 is returned.
int GameState::Winner(bool maxTurnsReached) const {
std::set<int> remainingPlayers;
for (Planets::const_iterator p = planets.begin(); p != planets.end(); ++p) {
remainingPlayers.insert(p->owner);
}
for (Fleets::const_iterator f = fleets.begin(); f != fleets.end(); ++f) {
remainingPlayers.insert(f->owner);
}
remainingPlayers.erase(0);
if (maxTurnsReached) {
int leadingPlayer = -1;
int mostShips = -1;
for (std::set<int>::iterator p = remainingPlayers.begin(); p != remainingPlayers.end(); ++p) {
int playerID = *p;
int numShips = NumShips(playerID);
if (numShips == mostShips) {
leadingPlayer = 0;
} else if (numShips > mostShips) {
leadingPlayer = playerID;
mostShips = numShips;
}
}
return leadingPlayer;
}
switch (remainingPlayers.size()) {
case 0:
return 0;
case 1:
return *remainingPlayers.begin();
}
return -1;
}
double Fleet::Fuel() const {
if (NumShips() < 1)
return 0.0;
// determine fuel available to fleet (fuel of the ship that has the least fuel in the fleet)
double fuel = Meter::LARGE_VALUE;
bool is_fleet_scrapped = true;
for (const_iterator ship_it = begin(); ship_it != end(); ++ship_it) {
const Ship* ship = GetShip(*ship_it);
if (!ship) {
Logger().errorStream() << "Fleet::Fuel couldn't get ship with id " << *ship_it;
continue;
}
const Meter* meter = ship->UniverseObject::GetMeter(METER_FUEL);
if (!meter) {
Logger().errorStream() << "Fleet::Fuel skipping ship with no fuel meter";
continue;
}
if (!ship->OrderedScrapped()) {
fuel = std::min(fuel, meter->Current());
is_fleet_scrapped = false;
}
}
if (is_fleet_scrapped) {
fuel = 0.0;
}
return fuel;
}
