// Field unit rightclick event (setting flag)
private void FieldUnit_right_click(object sender, System.EventArgs e)
{
FieldUnit fu = sender as FieldUnit;
// If it is flag, remove it and return
if (fu.Flag)
{
fu.Flag = false;
fu.Content = "";
mineCounter++;
txtMineCounter.Text = mineCounter.ToString();
return;
}
// If mine counter is 0 then can't put more flags
if (mineCounter == 0)
{
return;
}
fu.Flag = true;
// Attaches flag image to the button
fu.Content = new Image
{
Source = new BitmapImage(new Uri("Resources/flag.png", UriKind.Relative)),
VerticalAlignment = VerticalAlignment.Center
};
mineCounter--;
txtMineCounter.Text = mineCounter.ToString();
}
// Field unit click event
private void FieldUnit_click(object sender, System.EventArgs e)
{
FieldUnit fu = sender as FieldUnit;
// Checking if it's start of game
if (startOfGame)
{
startOfGame = false;
dTimer.Start();
int indexOfFirstFieldUnit = Field.Children.IndexOf(fu);
InitializeField(indexOfFirstFieldUnit);
}
if (fu.Flag)
{
return;
}
OpenField(fu);
// Check if all units that does not have mine are opened
if (AllOpened())
{
GameWon();
}
}
// Creating field units
private void PrepareField()
{
this.startOfGame = true;
for (int i = 0; i < this.fieldWidth; i++)
{
for (int j = 0; j < this.fieldWidth; j++)
{
FieldUnit fu = new FieldUnit(false, 0, i, j);
listOfUnits.Add(fu);
fu.Style = FindResource("FieldUnitStyle") as Style;
Grid.SetRow(fu, i);
Grid.SetColumn(fu, j);
Field.Children.Add(fu);
// Adding field unit events
fu.Click += FieldUnit_click;
fu.PreviewMouseLeftButtonDown += delegate
{
if (fu.Flag)
{
return;
}
btnSmiley.Content = smiley_click;
};
fu.PreviewMouseLeftButtonUp += delegate
{
btnSmiley.Content = smiley;
};
fu.MouseRightButtonUp += FieldUnit_right_click;
}
}
}
// Ending the game (stepped on mine)
private void GameOver(FieldUnit fu = null)
{
dTimer.Stop();
if (fu != null)
{
fu.IsEnabled = false;
// Attaches mine-blown image to the button
fu.Content = new Image
{
Source = new BitmapImage(new Uri("Resources/mine-blown.png", UriKind.Relative)),
VerticalAlignment = VerticalAlignment.Center
};
}
// Show other mines and disable filed units
foreach (FieldUnit funit in listOfUnits)
{
funit.IsEnabled = false;
if (funit.Bomb)
{
if (funit == fu || funit.Flag)
{
continue;
}
funit.Content = new Image
{
Source = new BitmapImage(new Uri("Resources/mine.png", UriKind.Relative)),
VerticalAlignment = VerticalAlignment.Center
};
}
// If unit does not containt bomb and has a flag marker, put notMine image to it
else
{
if (funit.Flag)
{
funit.Content = new Image
{
Source = new BitmapImage(new Uri("Resources/notMine.png", UriKind.Relative)),
VerticalAlignment = VerticalAlignment.Center
};
}
}
}
// Putting dead smiley face on smiley button
btnSmiley.Content = new Image
{
Source = new BitmapImage(new Uri("Resources/Smiley-dead.png", UriKind.Relative)),
VerticalAlignment = VerticalAlignment.Center
};
}
// Initializing field units with bombs and other data such as nearby bombs
private void InitializeField(int indexOfFirstFieldUnit)
{
this.rnd = new Random();
int fieldUnitNumber = (int)Math.Pow(this.fieldWidth, 2);
List <int> listOfBombs = new List <int>(this.fieldWidth);
// First opened field unit can't have the bomb
listOfBombs.Add(indexOfFirstFieldUnit);
int rng;
for (int k = 0; k < this.bombNumber; k++)
{
rng = rnd.Next(0, fieldUnitNumber - 1);
if (listOfBombs.Contains(rng))
{
k--;
continue;
}
else
{
listOfBombs.Add(rng);
listOfUnits[rng].Bomb = true;
listOfUnits[rng].NearbyBombs = -1;
listOfUnits[rng].IsOpened = false;
int row = Grid.GetRow(listOfUnits[rng]);
int col = Grid.GetColumn(listOfUnits[rng]);
// updating 'nearby bombs' value to units around bomb-initialized unit
for (int i = -1; i < 2; i++)
{
for (int j = -1; j < 2; j++)
{
int r = row + i;
int c = col + j;
if (r < 0 || r > fieldWidth - 1 || c < 0 || c > fieldWidth - 1)
{
continue;
}
FieldUnit unit = FieldUnit.GetUnit(listOfUnits, r, c);
if (unit.Bomb || (i == 0 && j == 0))
{
continue;
}
unit.NearbyBombs++;
}
}
}
}
}
// Recursive function that opens field units
private void OpenField(FieldUnit fu)
{
fu.IsOpened = true;
int row = Grid.GetRow(fu);
int column = Grid.GetColumn(fu);
TextBlock tb = new TextBlock
{
HorizontalAlignment = HorizontalAlignment.Center,
VerticalAlignment = VerticalAlignment.Center
};
if (fu.Bomb)
{
GameOver(fu);
return;
}
else
{
tb.Text = fu.NearbyBombs.ToString();
}
SetTbStyle(tb);
Field.Children.Remove(fu);
Border border = new Border
{
BorderThickness = new Thickness(1),
BorderBrush = new SolidColorBrush(Colors.LightGray),
Child = tb
};
Grid.SetRow(border, row);
Grid.SetColumn(border, column);
Field.Children.Add(border);
// Opening adjacent field units if field is empty
if (fu.NearbyBombs == 0)
{
for (int i = -1; i < 2; i++)
{
for (int j = -1; j < 2; j++)
{
int r = row + i;
int c = column + j;
if (r < 0 || r > fieldWidth - 1 || c < 0 || c > fieldWidth - 1 ||
(i == 0 && j == 0))
{
continue;
}
FieldUnit unit = FieldUnit.GetUnit(listOfUnits, r, c);
// If it's already open or if it's marked with flag, continue
if (unit.IsOpened || unit.Flag)
{
continue;
}
else
{
OpenField(unit);
}
}
}
}
else
{
return;
}
}