private void MovePawn(Figure f, char X, int Y)
{
var chessBoxStart = this.getChessBoxByCoordinates(f.Xpositon, f.Ypositon);
var chessBoxEnd = this.getChessBoxByCoordinates(X, Y);
if (PathBetweenBoxesFree(chessBoxStart, chessBoxEnd))
{
if ((chessBoxStart.Xcoord - chessBoxEnd.Xcoord != 0))
{ //check if the pawn is trying to capture a figure
if (chessBoxEnd.isFigureOn())
{
if (chessBoxEnd.Figure.isWhite != f.isWhite)
{
f.Move(X, Y);
Figure FigureToKill = chessBoxEnd.Figure;
chessBoxEnd.deleteFigure();
chessBoxStart.Figure = null;
chessBoxEnd.Figure = f;
if (isInChess(f.isWhite))
{
chessBoxStart.Figure = chessBoxEnd.Figure;
chessBoxEnd.Figure.BackToLastPosition();
FigureToKill.BackToLastPosition();
chessBoxEnd.Figure = FigureToKill;
throw new KingInChessExeption("You cannot move here! You will be in chess!");
}
}
else
{
throw new InvalidAttackExeption("You cannot capture your own figure!");
}
}
else if (getChessBoxByCoordinates(chessBoxEnd.Xcoord, chessBoxEnd.Ycoord - 1).isFigureOn() && getChessBoxByCoordinates(chessBoxEnd.Xcoord, chessBoxEnd.Ycoord - 1).Figure.getFigureType() == "Pawn")
{ //checking for "En Passant"
ChessBox thePawnToBeCaptured = this.getChessBoxByCoordinates(chessBoxEnd.Xcoord, chessBoxEnd.Ycoord - 1);
Pawn EndPostionFigure = (Pawn)this.getChessBoxByCoordinates(chessBoxEnd.Xcoord, chessBoxEnd.Ycoord - 1).Figure;
if ((f.isWhite != EndPostionFigure.isWhite) && (EndPostionFigure.lastMoveWasTwoSquares))
{
f.Move(X, Y);
//Figure FigureToKill = chessBoxEnd.Figure;
thePawnToBeCaptured.deleteFigure();
chessBoxStart.Figure = null;
chessBoxEnd.Figure = f;
if (isInChess(f.isWhite))
{
chessBoxStart.Figure = chessBoxEnd.Figure;
chessBoxEnd.Figure.BackToLastPosition();
EndPostionFigure.pawnReborn();
getChessBoxByCoordinates(EndPostionFigure.Xpositon, EndPostionFigure.Ypositon).Figure = EndPostionFigure;
chessBoxEnd.Figure = null;
//chessBoxEnd.Figure = FigureToKill;
throw new KingInChessExeption("You cannot move here! You will be in chess!");
}
}
else
{
throw new InvalidFigureMovementExeption("Invalid pawn coordinates!");
}
}
else if (getChessBoxByCoordinates(chessBoxEnd.Xcoord, chessBoxEnd.Ycoord + 1).isFigureOn() && getChessBoxByCoordinates(chessBoxEnd.Xcoord, chessBoxEnd.Ycoord + 1).Figure.getFigureType() == "Pawn")
{ //checking for "En Passant" 2
ChessBox thePawnToBeCaptured = this.getChessBoxByCoordinates(chessBoxEnd.Xcoord, chessBoxEnd.Ycoord + 1);
Pawn EndPostionFigure = (Pawn)this.getChessBoxByCoordinates(chessBoxEnd.Xcoord, chessBoxEnd.Ycoord + 1).Figure;
if ((f.isWhite != EndPostionFigure.isWhite) && (EndPostionFigure.lastMoveWasTwoSquares))
{
f.Move(X, Y);
//Figure FigureToKill = chessBoxEnd.Figure;
thePawnToBeCaptured.deleteFigure();
chessBoxStart.Figure = null;
chessBoxEnd.Figure = f;
if (isInChess(f.isWhite))
{
chessBoxStart.Figure = chessBoxEnd.Figure;
chessBoxEnd.Figure.BackToLastPosition();
EndPostionFigure.pawnReborn();
getChessBoxByCoordinates(EndPostionFigure.Xpositon, EndPostionFigure.Ypositon).Figure = EndPostionFigure;
chessBoxEnd.Figure = null;
//chessBoxEnd.Figure = FigureToKill;
throw new KingInChessExeption("You cannot move here! You will be in chess!");
}
}
else
{
throw new InvalidFigureMovementExeption("Invalid pawn coordinates!");
}
}
else
{
throw new InvalidFigureMovementExeption("Invalid pawn coordinates!");
}
}
else
{
if (!chessBoxEnd.isFigureOn())
{
f.Move(X, Y);
chessBoxStart.Figure = null;
chessBoxEnd.Figure = f;
if (isInChess(f.isWhite))
{
chessBoxStart.Figure = chessBoxEnd.Figure;
chessBoxEnd.Figure.BackToLastPosition();
chessBoxEnd.Figure = null;
throw new KingInChessExeption("You cannot move here! You will be in chess!");
}
}
else
{
throw new InvalidAttackExeption("Pawn cannot capture figure on this coordiantes!");
}
}
}
else
{
throw new PathBetweenBoxesNotFreeExeption("The path between the boxes is not free");
}
}
