private bool checkIfValid(OthelloImage othelloImage, bool flipDiscs, int offsetX, int offsetY)
{
OthelloImage nextOImg;
bool result = false;
int x = othelloImage.X;
int y = othelloImage.Y;
try
{
nextOImg = imageMatrix[x + offsetX, y + offsetY];
if (nextOImg.Disc != OthelloDisc.none && nextOImg.Disc != whoseTurn)
{
// Worth checking next disc then until IndexOutOfRangeException
while (true)
{
x += offsetX;
y += offsetY;
nextOImg = imageMatrix[x + offsetX, y + offsetY];
if (nextOImg.Disc != OthelloDisc.none && nextOImg.Disc == whoseTurn)
{
result = true;
break;
}
else if (nextOImg.Disc == OthelloDisc.none)
{
break;
}
}
}
}
catch (IndexOutOfRangeException)
{
}
if (result == true && flipDiscs == true)
{
// flip discs
x = othelloImage.X;
y = othelloImage.Y;
while (true)
{
nextOImg = imageMatrix[x + offsetX, y + offsetY];
x += offsetX;
y += offsetY;
if (nextOImg.Disc == whoseTurn)
{
break;
}
if (nextOImg.Disc == OthelloDisc.black)
{
nextOImg.ChangeToWhite();
}
else
{
nextOImg.ChangeToBlack();
}
}
}
return(result);
}
private void AddImages()
{
bool fubar;
BitmapImage imageSource = null;
OthelloImage othelloImage = null;
Image discImage = null;
for (int rowIndex = 0; rowIndex < MainBoardGrid.RowDefinitions.Count; rowIndex++)
{
if (rowIndex % 2 != 0)
{
fubar = false;
}
else
{
fubar = true;
}
for (int columnIndex = 0; columnIndex < MainBoardGrid.ColumnDefinitions.Count; columnIndex++)
{
if (fubar)
{
imageSource = new BitmapImage(new Uri("pack://application:,,,/Images/DarkerGreen.jpg"));
fubar = false;
}
else
{
imageSource = new BitmapImage(new Uri("pack://application:,,,/Images/BrighterGreen.jpg"));
fubar = true;
}
discImage = new Image();
othelloImage = new OthelloImage(columnIndex, rowIndex, discImage)
{
Source = imageSource
};
othelloImage.Stretch = Stretch.Fill;
Thickness margin = othelloImage.Margin;
margin.Top = 1;
margin.Right = 1;
margin.Bottom = 1;
margin.Left = 1;
othelloImage.Margin = margin;
othelloImage.MouseDown += Image_MouseDown;
imageMatrix[columnIndex, rowIndex] = othelloImage;
Grid.SetRow(othelloImage, rowIndex);
Grid.SetColumn(othelloImage, columnIndex);
MainBoardGrid.Children.Add(othelloImage);
Grid.SetRow(discImage, rowIndex);
Grid.SetColumn(discImage, columnIndex);
MainBoardGrid.Children.Add(discImage);
if ((rowIndex == 3 && columnIndex == 3) || (rowIndex == 4 && columnIndex == 4))
{
othelloImage.ChangeToWhite();
}
if ((rowIndex == 3 && columnIndex == 4) || (rowIndex == 4 && columnIndex == 3))
{
othelloImage.ChangeToBlack();
}
}
}
}
public bool allowedPlacement(OthelloImage othelloImage, bool flipDiscs)
{
int offsetX;
int offsetY;
bool result = false;
// check to N
offsetX = 0;
offsetY = -1;
if (checkIfValid(othelloImage, flipDiscs, offsetX, offsetY))
{
result = true;
}
// check to NE
offsetX = 1;
offsetY = -1;
if (checkIfValid(othelloImage, flipDiscs, offsetX, offsetY))
{
result = true;
}
// check to E
offsetX = 1;
offsetY = 0;
if (checkIfValid(othelloImage, flipDiscs, offsetX, offsetY))
{
result = true;
}
// check to SE
offsetX = 1;
offsetY = 1;
if (checkIfValid(othelloImage, flipDiscs, offsetX, offsetY))
{
result = true;
}
// check to S
offsetX = 0;
offsetY = 1;
if (checkIfValid(othelloImage, flipDiscs, offsetX, offsetY))
{
result = true;
}
// check to SW
offsetX = -1;
offsetY = 1;
if (checkIfValid(othelloImage, flipDiscs, offsetX, offsetY))
{
result = true;
}
// check to W
offsetX = -1;
offsetY = 0;
if (checkIfValid(othelloImage, flipDiscs, offsetX, offsetY))
{
result = true;
}
// check to NW
offsetX = -1;
offsetY = -1;
if (checkIfValid(othelloImage, flipDiscs, offsetX, offsetY))
{
result = true;
}
return(result);
}
