// Update the ships by copy the live ships to current ships
public void Update()
{
if (NumberOfLiveShips() < GetLength())
{
Ships liveShips = new Ships(NumberOfLiveShips());
foreach (Ship ship in ships)
{
if (!ship.IsDestroyed())
liveShips.Add(ship);
}
// Keep track previous number of ship
this.prevNumberOfShip = this.numberOfShip;
// Update current ship
this.ships = liveShips.GetShips();
// Update current number of ship
this.numberOfShip = liveShips.GetLength();
}
else
{
// Keep track previous number of ship
this.prevNumberOfShip = this.numberOfShip;
}
}
// Attack fleet opponent
public void Fire(Ships opponent, Random rand)
{
// Fleet 1 attack
foreach (Ship ship in ships)
{
// Generate random damage
ship.GenerateDamage(rand);
// Random target from the opponent
Ship target = opponent.GetRandomShip(rand);
target.EnableTarget();
// Fire the target
ship.Fire(target);
}
}
// Get lost ships
public Ships LostShips()
{
if (NumberOfLostShips() > 0)
{
Ships lostShips = new Ships(NumberOfLostShips());
foreach (Ship ship in ships)
{
if (ship.IsDestroyed())
lostShips.Add(ship);
}
return lostShips;
}
else
{
return null;
}
}
// Load file version 2
private Fleet LoadFleetVersion2(StreamReader fin)
{
int numberOfShip = 0;
// Read the fleet name
string fleetName = fin.ReadLine();
if (String.IsNullOrEmpty(fleetName))
throw new Exception("Missing fleet name");
Ships ships = new Ships();
while (!fin.EndOfStream)
{
string shipName = fin.ReadLine();
if (!IsValidShipName(shipName))
throw new Exception(shipName + " is not a valid ship class name");
// Read the number of ships
string line = fin.ReadLine();
if (!Int32.TryParse(line, out numberOfShip) || numberOfShip < 1)
throw new Exception("Invalid number of ships");
ships.Add(shipName, numberOfShip);
}
return new Fleet(fleetName, ships);
}
// Collect individual ship to list of ships
private Ships GetShips(int numberOfShip, StreamReader fin)
{
Ships ships = new Ships(numberOfShip);
for (int i = 0; i < numberOfShip; i++)
{
ships.Add(GetShip(fin));
}
if (!EndOfFleetFile(fin))
throw new Exception ("More ships than stated");
return ships;
}
// Remove destroyed ships from fleet
public void Update()
{
lostShips = ships.LostShips();
ships.Update();
}
public Fleet(string name, Ships ships)
{
this.name = name;
this.ships = ships;
}
