/// <summary>
/// When a ship is hit by a projectile then remove the a health point remove
/// the projectile form the world
/// </summary>
private void HitAProjectile(Ship ship, Projectile projectile)
{
if (kingIsOn)
{
// find the owner of the projectile
int shipID = projectile.GetOwner();
if (allShips.TryGetValue(shipID, out Ship projectileShip))
{
// if the projectile is from the king or the ship is the king then...
if (ship.IsKing() || projectileShip.IsKing())
{
// subtract a health point from the ship
ship.SetHP(ship.GetHP() - 1);
if (!ship.IsAlive())
{
// increase the ship's score who shot the projectile by 1
projectileShip.SetScore(projectileShip.GetScore() + 1);
}
// register that the projectile hit a non-team member
ship.ShotsHit++;
}
if (ship.IsKing() && !ship.IsAlive())
{
// make sure that the ship that died is no longer king
ship.SetKing(false);
ship.SetName(ship.GetName().Substring(5));
// select a new king
Ship newKingShip = RandomShip();
newKingShip.SetKing(true);
newKingShip.SetName("King " + newKingShip.GetName());
}
}
// set the projectile to dead
projectile.Alive(false);
}
else
{
// subtract a health point
ship.SetHP(ship.GetHP() - 1);
if (!ship.IsAlive())
{
// find the owner of the projectile
int shipID = projectile.GetOwner();
allShips.TryGetValue(shipID, out Ship projectileShip);
// increase the ship's score who shot the projectile by 1
projectileShip.SetScore(projectileShip.GetScore() + 1);
}
// set the projectile to dead
projectile.Alive(false);
// register that the projectile hit a ship
ship.ShotsHit++;
}
}
//******************** World methods for the ship ********************//
/// <summary>
/// Creates a new ship with the given name and id, then adds it to the
/// world
/// </summary>
public void MakeNewShip(String name, int id)
{
if (kingIsOn && allShips.Count == 0)
{
name = "King " + name;
// make a ship
Ship s = new Ship(name, id, new Vector2D(0, 0), new Vector2D(0, -1), startingHitPoints, respawnDelay, projectileFiringDelay);
// make ship king
s.SetKing(true);
// find a random location and a random direction
Respawn(s);
// add the ship to the world
AddShip(s);
}
else
{
// make a ship
Ship s = new Ship(name, id, new Vector2D(0, 0), new Vector2D(0, -1), startingHitPoints, respawnDelay, projectileFiringDelay);
// find a random location and a random direction
Respawn(s);
// add the ship to the world
AddShip(s);
}
}
/// <summary>
/// The passed in ship has hit a star so the health points of the
/// ship must be set to zero
/// </summary>
private void HitAStar(Ship ship)
{
// if king game mode is turned on
if (kingIsOn)
{
if (ship.IsKing())
{
// make sure that the ship that died is no longer king
ship.SetKing(false);
ship.SetName(ship.GetName().Substring(5));
// select a new king
Ship newKingShip = RandomShip();
newKingShip.SetKing(true);
newKingShip.SetName("King " + newKingShip.GetName());
}
}
// kill the ship
ship.SetHP(0);
}
