/// <summary>
/// Verifies if the informed position is valid for a new ship
/// </summary>
/// <param name="pos"></param>
/// <param name="shipSize"></param>
/// <param name="orientation"></param>
/// <returns></returns>
private bool CheckValidPosition(Coordinates pos, int shipSize, EnumShipOrientation orientation)
{
var gridWidth = Width;
if (shipSize <= 0)
{
return(false);
}
if (pos.X > gridWidth || pos.Y > gridWidth)
{
return(false);
}
int shipAnchorPos = orientation == EnumShipOrientation.Horizontal ? pos.X : pos.Y;
if (shipAnchorPos + shipSize > gridWidth)
{
return(false);
}
for (int i = 0; i < shipSize; i++)
{
var currentShip = orientation == EnumShipOrientation.Horizontal ? Get(pos.X + i, pos.Y) : Get(pos.X, pos.Y + i);
if (currentShip != null)
{
return(false);
}
}
return(true);
}
/// <summary>
/// Create a new instance of Ship
/// </summary>
/// <param name="size"></param>
/// <param name="orientation"></param>
public Ship(string id, int size, EnumShipOrientation orientation)
{
if (string.IsNullOrEmpty(id))
{
throw new ArgumentException("invalid ship id");
}
if (size <= 0)
{
throw new ArgumentException($"invalid ship size: {size}");
}
ID = id;
Size = size;
Orientation = orientation;
}
public Battleship(string id, EnumShipOrientation orientation) : base(id, 4, orientation)
{
}
public AircraftCarrier(string id, EnumShipOrientation orientation) : base(id, 5, orientation)
{
}
public Destroyer(string id, EnumShipOrientation orientation) : base(id, 2, orientation)
{
}
public Cruiser(string id, EnumShipOrientation orientation) : base(id, 3, orientation)
{
}