public IFigure GetFigureAtPosition(Position position)
{
int arrRow = this.GetArrayRow(position.Row);
int arrCol = this.GetArrayCol(position.Col);
return this.board[arrRow, arrCol];
}
public static Position FromChessCoordinates(int chessRow, char chessCol)
{
var newPosition = new Position(chessRow, chessCol);
ChechIfValid(newPosition);
return newPosition;
}
public void RemoveFigure(Position position)
{
Position.ChechIfValid(position);
int arrRow = this.GetArrayRow(position.Row);
int arrCol = this.GetArrayCol(position.Col);
this.board[arrRow, arrCol] = null;
}
public void MoveFigureAtPosition(IFigure figure, Position from, Position to)
{
int arrFromRow = this.GetArrayRow(from.Row);
int arrFromCol = this.GetArrayCol(from.Col);
this.board[arrFromRow, arrFromCol] = null;
int arrToRow = this.GetArrayRow(to.Row);
int arrToCol = this.GetArrayCol(to.Col);
this.board[arrToRow, arrToCol] = figure;
}
public void AddFigure(IFigure figure, Position position)
{
ObjectValidator.CheckIfObjectIsNull(figure, GlobalErrorMessages.NullFigureErrorMessage);
Position.ChechIfValid(position);
int arrRow = this.GetArrayRow(position.Row);
int arrCol = this.GetArrayCol(position.Col);
this.board[arrRow, arrCol] = figure;
}
private bool CheckOtherFigureIfValid(IBoard board, Position to, ChessColor color)
{
var otherFigure = board.GetFigureAtPosition(to);
if (otherFigure != null && otherFigure.Color == color)
{
return false;
}
return true;
}
private void AddPawnsToBoardRow(IPlayer player, IBoard board, int chessRow)
{
for (int i = 0; i < StandartGameTotalCols; i++)
{
var pawn = new Pawn(player.Color);
player.AddFigure(pawn);
var position = new Position(chessRow, (char)(i + 'a'));
board.AddFigure(pawn, position);
}
}
private void AddArmyToBoardRow(IPlayer player, IBoard board, int chessRow)
{
for (int i = 0; i < StandartGameTotalCols; i++)
{
var figureType = this.figureTypes[i];
var figureInstance = (IFigure)Activator.CreateInstance(figureType, player.Color);
player.AddFigure(figureInstance);
var position = new Position(chessRow, (char)(i + 'a'));
board.AddFigure(figureInstance, position);
}
}
public static void ChechIfValid(Position position)
{
if (position.Row < GlobalConstants.MinimumRowValueOnBoard ||
position.Row > GlobalConstants.MaximumRowValueOnBoard)
{
throw new IndexOutOfRangeException("Selected row position is not valid");
}
if (position.Col < GlobalConstants.MinimumColValueOnBoard ||
position.Col > GlobalConstants.MaximumColValueOnBoard)
{
throw new IndexOutOfRangeException("Selected col position is not valid");
}
}
private bool CheckDiagonalMove(Position from, Position to)
{
return (from.Col + 1 == to.Col || from.Col - 1 == to.Col);
}