private static bool IsAbleToJumpRight(CheckersPiece piece, AllCheckerPieces allPieces)
{
bool canJumpRight = false;
int[,] takenSquares = allPieces.GetTakenSquares();
bool isWhite = piece.IsWhite();
int row = piece.GetPosition()[0];
int column = piece.GetPosition()[1];
if (column == 7)
{
return(canJumpRight);
}
else if (isWhite && takenSquares[row - 1, column + 1] != 0)
{
return(canJumpRight);
}
else if (!isWhite && takenSquares[row + 1, column + 1] != 0)
{
return(canJumpRight);
}
else
{
return(!canJumpRight);
}
}
public static bool[] IsAbleToEat(CheckersPiece piece, AllCheckerPieces allPieces)
{
bool[] canEat = new bool[2] {
IsAbleToEatLeft(piece, allPieces), IsAbleToEatRight(piece, allPieces)
};
return(canEat);
}
public static bool[] IsAbleToJump(CheckersPiece piece, AllCheckerPieces allPieces)
{
bool[] canJump = new bool[2] {
IsAbleToJumpLeft(piece, allPieces), IsAbleToJumpRight(piece, allPieces)
};
return(canJump);
}
public void AddPiece(CheckersPiece piece)
{
checkersPieces.Add(piece);
int[] pos = piece.GetPosition();
if (piece.IsWhite())
{
takenSquares[pos[0], pos[1]] = 1;
}
else
{
takenSquares[pos[0], pos[1]] = 2;
}
}
public MainWindow()
{
InitializeComponent();
WhitePieceImageBrush.ImageSource = new BitmapImage(new Uri("../../img/WhiteCheckersPiece.png", UriKind.Relative));
WhitePieceSelectedImageBrush.ImageSource = new BitmapImage(new Uri("../../img/WhiteCheckersPieceSelected.png", UriKind.Relative));
BlackPieceImageBrush.ImageSource = new BitmapImage(new Uri("../../img/BlackCheckersPiece.png", UriKind.Relative));
BlackPieceSelectedImageBrush.ImageSource = new BitmapImage(new Uri("../../img/BlackCheckersPieceSelected.png", UriKind.Relative));
MoveButtonImageBrush.ImageSource = new BitmapImage(new Uri("../../img/MoveButtonImage.png", UriKind.Relative));
initPieces();
lastPiece = Checkerboard.Children.Cast <UIElement>().First(e => Grid.GetRow(e) == 7 && Grid.GetColumn(e) == 0) as CheckersPiece;
WhiteTurn = true;
}
private static bool IsAbleToEatLeft(CheckersPiece piece, AllCheckerPieces allPieces)
{
bool canEatLeft = false;
int[,] takenSquares = allPieces.GetTakenSquares();
bool isWhite = piece.IsWhite();
int row = piece.GetPosition()[0];
int column = piece.GetPosition()[1];
if (column == 0 || column == 1)
{
return(canEatLeft);
}
return(false);
}
private void initPieces()
{
bool isWhite = false;
int[] pos;
CheckersPiece piece;
for (int i = 0; i < 3; i++)
{
for (int j = 7 - i % 2; j >= 0; j = j - 2)
{
pos = new int[2];
pos[0] = i;
pos[1] = j;
piece = new CheckersPiece(isWhite, pos);
piece.Click += BlackPiece_Click;
piece.SetPieceBackground(BlackPieceImageBrush);
allPieces.AddPiece(piece);
}
}
isWhite = true;
for (int i = 5; i < 8; i++)
{
for (int j = 7 - i % 2; j >= 0; j = j - 2)
{
pos = new int[2];
pos[0] = i;
pos[1] = j;
piece = new CheckersPiece(isWhite, pos);
piece.Click += WhitePiece_Click;
piece.SetPieceBackground(WhitePieceImageBrush);
allPieces.AddPiece(piece);
}
}
foreach (CheckersPiece aPiece in allPieces.GetCheckersPieces())
{
Grid.SetRow(aPiece, aPiece.GetPosition()[0]);
Grid.SetColumn(aPiece, aPiece.GetPosition()[1]);
Checkerboard.Children.Add(aPiece);
}
}
private void WhitePiece_Click(object sender, RoutedEventArgs e)
{
if (WhiteTurn)
{
CheckersPiece piece = sender as CheckersPiece;
bool isAbleToJumpLeft = UtilityClass.IsAbleToJump(piece, allPieces)[0];
bool isAbleToJumpRight = UtilityClass.IsAbleToJump(piece, allPieces)[1];
bool isAbleToEatLeft = UtilityClass.IsAbleToEat(piece, allPieces)[0];
bool isAbleToEatRight = UtilityClass.IsAbleToEat(piece, allPieces)[1];
if (isAbleToEatLeft || isAbleToEatRight || isAbleToJumpLeft || isAbleToJumpRight)
{
piece.SetPieceBackground(WhitePieceSelectedImageBrush);
lastPiece.SetPieceBackground(WhitePieceImageBrush);
lastPiece = piece;
}
}
}