public void ValidateDestinationPosition(Position origin, Position destination)
{
if (!Gboard.GetPiece(origin).CanMoveTo(destination))
{
throw new GameBoardException("Impossible movement.");
}
}
public void ValidateOriginPosition(Position pos)
{
if (Gboard.GetPiece(pos) == null)
{
throw new GameBoardException("There is no piece in the specified location.");
}
if (Gboard.GetPiece(pos).Color != currentPlayer)
{
throw new GameBoardException("That piece is not yours.");
}
if (!Gboard.GetPiece(pos).ExistsPossibleMovement())
{
throw new GameBoardException("That piece is blocked and there is no possible movements.");
}
}
// Here we make the tests
public void DoTheMove(Position origin, Position destination)
{
Piece capturedPiece = MovePiece(origin, destination);
// Current player getting itself in check
if (Check == true)
{
if (InCheck(currentPlayer))
{
UndoMovement(origin, destination, capturedPiece);
throw new GameBoardException("You can not let your own king in check, try to save him!");
}
}
else
{
if (InCheck(currentPlayer))
{
UndoMovement(origin, destination, capturedPiece);
throw new GameBoardException("You must not put your own king in check!");
}
}
Piece p = Gboard.GetPiece(destination);
// #SpecialMovement : Pawn promotion
if (p is Pawn)
{
if (p.Color == Color.White && destination.Line == 0 || p.Color == Color.Black && destination.Line == 7)
{
p = Gboard.LiftPiece(destination);
PiecesInGame.Remove(p);
Piece queen = new Queen(Gboard, p.Color);
Gboard.PutPiece(queen, destination);
PiecesInGame.Add(queen);
}
}
// Current player cheking his adversary
if (InCheck(AdversaryOf(currentPlayer)))
{
Check = true;
}
else
{
Check = false;
}
if (CheckMate(AdversaryOf(currentPlayer)))
{
MatchEnded = true;
}
else
{
turn++;
ChangePlayer();
}
// #SpecialMovement : En passant
if (p is Pawn && (destination.Line == origin.Line - 2 || destination.Line == origin.Line + 2))
{
VulnerableEnPassant = p;
}
else
{
VulnerableEnPassant = null;
}
}
