/// <summary>
/// Determines the coordinates in a desired direction
/// </summary>
/// <param name="coord"></param>
/// <param name="direction"></param>
/// <returns></returns>
public static ICoordinates NextCoordinates(ICoordinates coordinates, Direction direction)
{
if (coordinates is BoardCoordinates)
{
BoardCoordinates board = new BoardCoordinates(coordinates);
board.Modify(direction);
if (board.Valid)
{
return(board);
}
else
{
return(new OuterRingCoordinates(board));
}
}
else if (coordinates is OuterRingCoordinates)
{
if (direction != Direction.Clockwise && direction != Direction.Counterclockwise)
{
direction = ConvertDirection(coordinates as OuterRingCoordinates, direction);
}
ICoordinates outer = new OuterRingCoordinates(coordinates);
outer.Modify(direction);
return(outer);
}
return(null);
}
public override bool Equals(object obj)
{
if (obj is BoardCoordinates)
{
BoardCoordinates other = obj as BoardCoordinates;
return(other.Diagonal == Diagonal && other.Row == Row);
}
return(false);
}
/// <summary>
/// Determines the direction based upon two coordinates
/// </summary>
/// <param name="src">First coordinates object</param>
/// <param name="dest">Second coordinate object</param>
/// <returns></returns>
public static Direction MoveDirection(BoardCoordinates source, BoardCoordinates destination)
{
foreach (Direction dir in Enum.GetValues(typeof(Direction)))
{
if (Rules.NextCoordinates(source, dir).Equals(destination))
{
return(dir);
}
}
return(Direction.None);
}
/// <summary>
/// Determines if two coordinates are next to each other
/// </summary>
/// <param name="src">First coordinates object</param>
/// <param name="dest">Second coordinate object</param>
/// <returns></returns>
public static bool IsNextTo(BoardCoordinates source, BoardCoordinates destination)
{
if (source == null || destination == null)
{
return(false);
}
foreach (Direction dir in Enum.GetValues(typeof(Direction)))
{
if (NextCoordinates(source, dir).Equals(destination))
{
return(true);
}
}
return(false);
}
