public virtual void SetShip(Ship shipToSet)
{
if (!shipToSet.IsSet())
{
shipToSet = Ship.CreateNewShip(
shipToSet.StartPosition,
shipToSet.ShipOrientation,
shipToSet.Id,
shipToSet.Size
);
}
Ship ship;
int shipIndex;
try
{
ship = Ships.Single(x => x.Id == shipToSet.Id);
shipIndex = Ships.IndexOf(ship);
}
catch (InvalidOperationException)
{
throw new ArgumentException("No such ship Id");
}
if (ship.IsSet())
{
DeleteShipFromField(ship.Id);
}
if (!CanShipBeSet(shipToSet))
{
if (ship.IsSet())
{
AddShipOnField(ship);
}
throw new ArgumentException("Ship can not be set.");
}
Ships[shipIndex] = shipToSet;
if (!IsShipListRespectsConfig(Ships))
{
Ships[shipIndex] = ship;
throw new ArgumentException("Ship violates configuration");
}
AddShipOnField(shipToSet);
}
public void DeleteShipFromField(int shipId)
{
int index;
try
{
index = Ships.IndexOf(Ships.Single(x => x.Id == shipId));
}
catch (InvalidOperationException)
{
throw new ArgumentException("Ship Id not found");
}
if (!Ships[shipId].IsSet())
{
throw new ArgumentNullException("Ship is not set");
}
foreach (var cell in Ships[index].Cells)
{
Cells[cell.Position.Y, cell.Position.X] = CellStatus.NotSet;
}
}
/// <summary>
/// Determines Collision between an enemy in the block and a missile
/// </summary>
/// <param name="m">Colliding missile</param>
public bool Collision(Missile m)
{
if (m.Position.x > Position.x + Size.Width)
{
return(false);
}
else if (m.Position.y > Position.y + Size.Height)
{
return(false);
}
else if (Position.x > m.Position.x + m.imageWidth)
{
return(false);
}
else if (Position.y > m.Position.y + m.imageHeight)
{
return(false);
}
else
{
int index = -1;
foreach (SpaceShip s in Ships)
{
if (s.Collision(m))
{
index = Ships.IndexOf(s);
}
}
if (index != -1)
{
RemoveEnemy(index);
return(true);
}
}
return(false);
}