public void ChangePosition(Piece piece, ChessPoint newPosition)
{
if (ReferenceEquals(piece, null))
{
throw new ArgumentNullException(nameof(piece));
}
if (ReferenceEquals(newPosition, null))
{
throw new ArgumentNullException(nameof(newPosition));
}
var oldCoordinates = new MappedCoordinates(piece.Coordinate);
var newCoordinates = new MappedCoordinates(newPosition);
if (!ReferenceEquals(_map[newCoordinates.X][newCoordinates.Y], null))
{
throw new BusyCellException("Can't change piece position: the cell with coodinates " +
$"{newPosition.Letter}{newPosition.Number} ({newCoordinates.X}, {newCoordinates.Y}) is busy.");
}
_map[newCoordinates.X][newCoordinates.Y] = piece;
_map[oldCoordinates.X][oldCoordinates.Y] = null;
piece.Coordinate.Letter = newPosition.Letter;
piece.Coordinate.Number = newPosition.Number;
}
public void RemovePiece(Piece piece)
{
if (ReferenceEquals(piece, null))
{
throw new ArgumentNullException(nameof(piece));
}
var coordinates = new MappedCoordinates(piece.Coordinate);
_map[coordinates.X][coordinates.Y] = null;
}
public void AddPiece(Piece piece)
{
if (ReferenceEquals(piece, null))
{
throw new ArgumentNullException(nameof(piece));
}
var coordinates = new MappedCoordinates(piece.Coordinate);
if (!ReferenceEquals(_map[coordinates.X][coordinates.Y], null))
{
throw new BusyCellException("Can't add piece to piecemap: the cell with coodinates " +
$"{piece.Coordinate.Letter}{piece.Coordinate.Number} ({coordinates.X}, {coordinates.Y}) is busy.");
}
_map[coordinates.X][coordinates.Y] = piece;
}
public Piece GetPiece(ChessPoint cell)
{
var mapCoordinates = new MappedCoordinates(cell);
return(_map[mapCoordinates.X][mapCoordinates.Y]);
}
