// function to create the data for the game, randomize the location of mines.
private MineSpot[,] populateGameData(int selectedsize)
{
MineSpot[,] field = new MineSpot[selectedsize, selectedsize];
Random rnd = new Random();
for (int x = 0; x < selectedsize; x++)
{
for (int y = 0; y < selectedsize; y++)
{
field[x, y] = new MineSpot(false, false);
}
}
int i = 0;
// initialize the spots for mines.
while (i <= bombsLeft)
{
MineSpot mine = field[rnd.Next(selectedsize), rnd.Next(selectedsize)];
if (!mine.getHasMine())
{
mine.setMine(true);
i += 1;
}
}
return(field);
}
private void ClickSpot(object sender, RoutedEventArgs e)
{
Button b = (Button)sender;
b.IsEnabled = false;
int x = Grid.GetRow(b);
int y = Grid.GetColumn(b);
MineSpot spot = minefield[x, y];
if (spot.getHasMine())
{
// game over, click all button and reveal the mines
IEnumerable <Button> clickableSpots = GameBoard.Children.OfType <Button>();
foreach (Button clickableSpot in clickableSpots)
{
clickableSpot.IsEnabled = false;
}
IEnumerable <TextBlock> minespots = GameBoard.Children
.OfType <TextBlock>();
foreach (TextBlock minespot in minespots)
{
int row = Grid.GetRow(minespot);
int col = Grid.GetColumn(minespot);
if (minefield[row, col].getHasMine())
{
minespot.Text = "M";
}
}
status.Text = "You Lose!";
return;
}
spot.setClicked(true);
int total = CheckAdjacent(x, y);
if (total > 0)
{
IEnumerable <TextBlock> celltxt = GameBoard.Children
.OfType <TextBlock>()
.Where(e => Grid.GetRow(e) == x && Grid.GetColumn(e) == y);
foreach (TextBlock txt in celltxt)
{
txt.Text = total.ToString();
}
}
// if no adjacent cells contain mines, reveal all nearby cells.
else
{
DepthClick(x - 1, y);
DepthClick(x, y - 1);
DepthClick(x + 1, y);
DepthClick(x, y + 1);
}
}
// returns 1 if spot has a mine, 0 otherwise
private int CheckSpot(MineSpot spot)
{
if (spot != null)
{
if (spot.getHasMine())
{
return(1);
}
return(0);
}
return(0);
}
// flags a cell in the gameboard. if it's a mine, decrease bomb count by 1.
// if all mines are found, end the game.
// if the cell has a flag on it, remove the flag.
public void MarkFlag(object sender, RoutedEventArgs e)
{
Button b = (Button)sender;
int x = Grid.GetRow(b);
int y = Grid.GetColumn(b);
IEnumerable <TextBlock> celltxt = GameBoard.Children
.OfType <TextBlock>()
.Where(e => Grid.GetRow(e) == x && Grid.GetColumn(e) == y);
MineSpot spot = minefield[x, y];
if (!spot.HasFlag)
{
if (spot.getHasMine())
{
bombsLeft -= 1;
bombsLeftDisplay.Text = bombsLeft.ToString();
if (bombsLeft == 0)
{
status.Text = "You Win!";
IEnumerable <Button> clickableSpots = GameBoard.Children.OfType <Button>();
foreach (Button clickableSpot in clickableSpots)
{
clickableSpot.IsEnabled = false;
}
}
;
}
spot.setFlag(true);
foreach (TextBlock txt in celltxt)
{
txt.Text = "F";
}
}
else
{
if (spot.getHasMine())
{
bombsLeft += 1;
bombsLeftDisplay.Text = bombsLeft.ToString();
}
spot.setFlag(false);
foreach (TextBlock txt in celltxt)
{
txt.Text = "";
}
}
}
// get all adjacent cells to the current position. if there's no cell in that position, it's replaced with null
private MineSpot[] getAdjacentCells(int x, int y)
{
int maxX = minefield.GetLength(0);
int maxY = minefield.GetLength(1);
MineSpot[] adjacentCells = new MineSpot[8];
// find the spots we have to check
// cell order [left, up, right, down, upLeft, upRight, downLeft, downRight]
adjacentCells[0] = x > 0 ? minefield[x - 1, y] : null;
adjacentCells[1] = y > 0 ? minefield[x, y - 1] : null;
adjacentCells[2] = x + 1 < maxX ? minefield[x + 1, y] : null;
adjacentCells[3] = y + 1 < maxY ? minefield[x, y + 1] : null;
adjacentCells[4] = x > 0 && y > 0 ? minefield[x - 1, y - 1] : null;
adjacentCells[5] = x + 1 < maxX && y > 0 ? minefield[x + 1, y - 1] : null;
adjacentCells[6] = x > 0 && y + 1 < maxY ? minefield[x - 1, y + 1] : null;
adjacentCells[7] = x + 1 < maxX && y + 1 < maxY ? minefield[x + 1, y + 1] : null;
return(adjacentCells);
}
