public object Convert(object[] values, Type targetType, object parameter, CultureInfo culture)
{
BoardPosition boardPosition = (BoardPosition)values[1];
ChessPiecePosition chessPiecePosition = (ChessPiecePosition)values[0];
ChessViewModel chessViewModel = (ChessViewModel)values[2];
bool isSelected = (bool)values[3];
bool isHovered = (bool)values[4];
if (isSelected)
{
return(Red);
}
if (isHovered)
{
return(Red);
}
if (chessViewModel.IsCheck && chessPiecePosition.PieceType == ChessPieceType.King && chessPiecePosition.Player == chessViewModel.CurrentPlayer)
{
return((object)ChessSquareColorConverter.Yellow);
}
if ((boardPosition.Row + boardPosition.Col) % 2 != 0)
{
return(White);
}
return(Black);
}
private void CheckPromotionMoves()
{
var possMoves = mBoard.GetPossibleMoves() as IEnumerable <ChessMove>;
ChessMove promotionMove = (ChessMove)mBoard.MoveHistory.Last();
if (promotionMove.Piece.PieceType == ChessPieceType.Pawn && (promotionMove.EndPosition.Row == 0 || promotionMove.EndPosition.Row == 7))
{
IsPawnPromotion = true;
possMoves = mBoard.GetPossibleMoves() as IEnumerable <ChessMove>;
List <ChessPiecePosition> pawnMoves = new List <ChessPiecePosition>();
var queen = new ChessPiecePosition(ChessPieceType.Queen, CurrentPlayer);
var knight = new ChessPiecePosition(ChessPieceType.Knight, CurrentPlayer);
var rookPawn = new ChessPiecePosition(ChessPieceType.RookPawn, CurrentPlayer);
var bioshop = new ChessPiecePosition(ChessPieceType.Bishop, CurrentPlayer);
pawnMoves.Add(queen);
pawnMoves.Add(knight);
pawnMoves.Add(rookPawn);
pawnMoves.Add(bioshop);
mPromotionMoves = new ObservableCollection <ChessSquare>();
for (int pMoves = 0; pMoves < 4; pMoves++)
{
mPromotionMoves.Add(new ChessSquare());
mPromotionMoves[pMoves].CurrentPlayer = CurrentPlayer;
mPromotionMoves[pMoves].Piece = pawnMoves[pMoves];
mPromotionMoves[pMoves].IsSelected = false;
}
PossibleMoves = new HashSet <ChessMove>(
from ChessMove m in mBoard.GetPossibleMoves()
select m
);
}
}
private void RebindState(ChessPiecePosition piece)
{
PossibleMoves = new HashSet <ChessMove>(
from ChessMove m in mBoard.GetPossibleMoves()
select m
);
var newSquares =
from r in Enumerable.Range(0, 8)
from c in Enumerable.Range(0, 8)
select new BoardPosition(r, c);
int i = 0;
foreach (var pos in newSquares)
{
mSquares[i].CurrentPlayer = mBoard.GetPieceAtPosition(pos).Player;
mSquares[i].Piece = piece;
mSquares[i].IsSelected = false;
i++;
}
OnPropertyChanged(nameof(BoardValue));
OnPropertyChanged(nameof(CurrentPlayer));
OnPropertyChanged(nameof(CanUndo));
OnPropertyChanged(nameof(IsPawnPromotion));
}
public ChessViewModel()
{
mBoard = new ChessBoard();
mSquares = new ObservableCollection <ChessSquare>(
from pos in (
from r in Enumerable.Range(0, 8)
from c in Enumerable.Range(0, 8)
select new BoardPosition(r, c)
)
select new ChessSquare()
{
Position = pos,
CurrentPlayer = mBoard.GetPieceAtPosition(pos).Player,
Piece = mBoard.GetPieceAtPosition(pos),
ViewModel = this
}
);
PossibleMoves = new HashSet <ChessMove>(
from ChessMove m in mBoard.GetPossibleMoves()
select m
);
var possMoves = mBoard.GetPossibleMoves() as IEnumerable <ChessMove>;
List <ChessPiecePosition> pawnMoves = new List <ChessPiecePosition>();
var queen = new ChessPiecePosition(ChessPieceType.Queen, CurrentPlayer);
var knight = new ChessPiecePosition(ChessPieceType.Knight, CurrentPlayer);
var rookPawn = new ChessPiecePosition(ChessPieceType.RookPawn, CurrentPlayer);
var bioshop = new ChessPiecePosition(ChessPieceType.Bishop, CurrentPlayer);
pawnMoves.Add(queen);
pawnMoves.Add(knight);
pawnMoves.Add(rookPawn);
pawnMoves.Add(bioshop);
mPromotionMoves = new ObservableCollection <ChessSquare>();
for (int pMoves = 0; pMoves < 4; pMoves++)
{
mPromotionMoves.Add(new ChessSquare());
mPromotionMoves[pMoves].CurrentPlayer = CurrentPlayer;
mPromotionMoves[pMoves].Piece = pawnMoves[pMoves];
mPromotionMoves[pMoves].IsSelected = false;
}
}
public object Convert(object values, Type targetType, object parameter, CultureInfo culture)
{
ChessPiecePosition piece = (ChessPiecePosition)values;
if (piece.Player == 1)
{
string src = piece.PieceType.ToString();
return(new Image()
{
Source = new BitmapImage(new Uri("/Cecs475.BoardGames.Chess.View;component/Resources/White" + src + ".png", UriKind.Relative))
});
}
else
{
string src = piece.PieceType.ToString();
return(new Image()
{
Source = new BitmapImage(new Uri("/Cecs475.BoardGames.Chess.View;component/Resources/Black" + src + ".png", UriKind.Relative))
});
}
}
public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
{
ChessPiecePosition chessPiecePosition = (ChessPiecePosition)value;
switch (chessPiecePosition.PieceType)
{
case ChessPieceType.Empty:
return(null);
case ChessPieceType.RookQueen:
return(new BitmapImage(new Uri(string.Format("/Cecs475.BoardGames.Chess.View;component/Resources/{0}Rook.png", Player(chessPiecePosition.Player)), UriKind.Relative)));
case ChessPieceType.RookKing:
return(new BitmapImage(new Uri(string.Format("/Cecs475.BoardGames.Chess.View;component/Resources/{0}Rook.png", Player(chessPiecePosition.Player)), UriKind.Relative)));
case ChessPieceType.RookPawn:
return(new BitmapImage(new Uri(string.Format("/Cecs475.BoardGames.Chess.View;component/Resources/{0}Rook.png", Player(chessPiecePosition.Player)), UriKind.Relative)));
case ChessPieceType.Bishop:
return(new BitmapImage(new Uri(string.Format("/Cecs475.BoardGames.Chess.View;component/Resources/{0}Bishop.png", Player(chessPiecePosition.Player)), UriKind.Relative)));
case ChessPieceType.Knight:
return(new BitmapImage(new Uri(string.Format("/Cecs475.BoardGames.Chess.View;component/Resources/{0}Knight.png", Player(chessPiecePosition.Player)), UriKind.Relative)));
case ChessPieceType.Queen:
return(new BitmapImage(new Uri(string.Format("/Cecs475.BoardGames.Chess.View;component/Resources/{0}Queen.png", Player(chessPiecePosition.Player)), UriKind.Relative)));
case ChessPieceType.King:
return(new BitmapImage(new Uri(string.Format("/Cecs475.BoardGames.Chess.View;component/Resources/{0}King.png", Player(chessPiecePosition.Player)), UriKind.Relative)));
case ChessPieceType.Pawn:
return(new BitmapImage(new Uri(string.Format("/Cecs475.BoardGames.Chess.View;component/Resources/{0}Pawn.png", Player(chessPiecePosition.Player)), UriKind.Relative)));
default:
//return new BitmapImage(new Uri("/Cecs475.BoardGames.Chess.View;component/Resources/BlackRook.png", UriKind.Relative));
return(null);
}
}
public object Convert(object[] values, Type targetType, object parameter, CultureInfo culture)
{
BoardPosition pos = (BoardPosition)values[0];
ChessPiecePosition piece = (ChessPiecePosition)values[1];
bool isSelected = (bool)values[2];
bool isHovered = (bool)values[3];
ChessViewModel viewModel = (ChessViewModel)values[4];
if (viewModel.SelectedSquare != null && isHovered)
{
return(RED_BRUSH);
}
if (isSelected)
{
return(RED_BRUSH);
}
if (isHovered)
{
return(GREEN_BRUSH);
}
if (viewModel.IsCheck && piece.Player == viewModel.CurrentPlayer && piece.PieceType == ChessPieceType.King)
{
return(YELLOW_BRUSH);
}
if ((pos.Row + pos.Col) % 2 == 0)
{
return(PATTERN_ONE);
}
else
{
return(PATTERN_TWO);
}
}
public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
{
try {
ChessPiecePosition piece = (ChessPiecePosition)value;
if (piece.PieceType == ChessPieceType.Empty)
{
return(null);
}
string player;
string pieceType;
if (piece.Player == 1)
{
player = "white";
}
else
{
player = "black";
}
switch (piece.PieceType)
{
case ChessPieceType.Pawn:
pieceType = "pawn";
break;
case ChessPieceType.RookKing:
pieceType = "rook";
break;
case ChessPieceType.RookQueen:
pieceType = "rook";
break;
case ChessPieceType.RookPawn:
pieceType = "rook";
break;
case ChessPieceType.Knight:
pieceType = "knight";
break;
case ChessPieceType.Bishop:
pieceType = "bishop";
break;
case ChessPieceType.Queen:
pieceType = "queen";
break;
case ChessPieceType.King:
pieceType = "king";
break;
default:
pieceType = "";
break;
}
string src = player + "_" + pieceType;
return(new BitmapImage(new Uri("/Cecs475.BoardGames.Chess.View;component/Resources/" + src + ".png", UriKind.Relative)));
}
catch (Exception e) {
return(null);
}
}
