private void MoveFigureOnTheBoard(Figure currentFigure, int nextFigureRow, int nextFigureColumn)
{
int figureCurrentRow = currentFigure.Row;
int figureCurrentColumn = currentFigure.Column;
GameBoard[figureCurrentRow, figureCurrentColumn] = GetBoardCellColorSymbol(figureCurrentRow, figureCurrentColumn);
GameBoard[nextFigureRow, nextFigureColumn] = currentFigure.DisplaySymbol;
currentFigure.Row = nextFigureRow;
currentFigure.Column = nextFigureColumn;
}
private static bool IsFigureMovingInCorrectTurn(Figure currentFigure, bool isKingTurn)
{
bool isFigureMovingInCorrectTurn = true;
//Check if now is king turn and figure is a pawn
bool isPawnTurn = !isKingTurn;
var currentFigureType = currentFigure.Type;
if (isKingTurn && currentFigureType == FigureType.Pawn)
{
//It is king turn and figure is a pawn
isFigureMovingInCorrectTurn = false;
}
else
if (isPawnTurn && currentFigureType == FigureType.King)
{
//It is a pawns turn and figure is a king
isFigureMovingInCorrectTurn = false;
}
return isFigureMovingInCorrectTurn;
}
private Figure AddFigureToGame(FigureType figureType, char figureSymbol, int row, int column)
{
if (this.Figures.Where(f => f.DisplaySymbol == figureSymbol).Count()>0)
{
throw new FigureExistsException(string.Format("Figure {0} already exists!", figureSymbol));
}
var figure = new Figure(figureType, figureSymbol, row, column);
Figures.Add(figure);
return figure;
}
public bool TryFigureMove(Figure currentFigure, int rowDirection, int columnDirection, bool isKingTurn)
{
if (currentFigure == null)
{
throw new ArgumentNullException("currentFigure must not be null!");
}
bool isFigureMovingInCorrectTurn = IsFigureMovingInCorrectTurn(currentFigure, isKingTurn);
if (!isFigureMovingInCorrectTurn)
{
return false;
}
int nextFigureRow = currentFigure.Row + rowDirection;
int nextFigureColumn = currentFigure.Column + columnDirection;
bool isFigureMoveValid = IsCellValidForMoveTo(nextFigureRow, nextFigureColumn);
if (!isFigureMoveValid)
{
return false;
}
MoveFigureOnTheBoard(currentFigure, nextFigureRow, nextFigureColumn);
if (isKingTurn)
{
KingMovesCount++;
}
else
{
PawnsMovesCount++;
}
return isFigureMoveValid;
}