protected bool IsCastlingPossible(TypeOfCastling typeOfCastling, Position position, ChessboardModel chessboard)
{
int rookXPosition;
int[] emptyFieldXPositions, attackFieldXPositions;
switch (typeOfCastling)
{
case TypeOfCastling.Long:
rookXPosition = 0;
emptyFieldXPositions = new int[] { 1, 2, 3 };
attackFieldXPositions = new int[] { 2, 3, 4 };
break;
case TypeOfCastling.Short:
rookXPosition = 7;
emptyFieldXPositions = new int[] { 5, 6 };
attackFieldXPositions = new int[] { 4, 5, 6 };
break;
default:
throw new ApplicationException("unexpected argument");
}
return(IsRookExist(rookXPosition, rookYPosition: position.Y, chessboard) &&
AreCastlingFieldsEmpty(emptyFieldXPositions, position, chessboard) &&
AreCastlingFieldsNotAttacking(attackFieldXPositions, position, chessboard));
}
public ICheckStrategy CreateKingStrategyWithCastlingDecorator(TypeOfCastling typeOfCastling)
{
var checkStrategy = new KingCheckStrategy();
var firstMovieDecorator = new FirstMovieDecorator();
var shortCastlingDecorator = new ShortCastlingDecorator();
var longCastlingDecorator = new LongCastlingDecorator();
firstMovieDecorator.Component = checkStrategy;
switch (typeOfCastling)
{
case TypeOfCastling.Long:
longCastlingDecorator.Component = firstMovieDecorator;
return(longCastlingDecorator);
case TypeOfCastling.Short:
shortCastlingDecorator.Component = firstMovieDecorator;
return(shortCastlingDecorator);
case TypeOfCastling.Both:
longCastlingDecorator.Component = firstMovieDecorator;
shortCastlingDecorator.Component = longCastlingDecorator;
return(shortCastlingDecorator);
default:
throw new ApplicationException("unexpected argument");
}
}