/** Ganarate field with buttons */
void GenerateField()
{
Random random = new Random();
buttonsField = new CellButton[fieldWidth, fieldHeight];
for (int i = 10; (i - 10) < fieldWidth * distanceBetweenButtons; i += distanceBetweenButtons)
{
for (int j = 30; (j - 30) < fieldHeight * distanceBetweenButtons; j += distanceBetweenButtons)
{
CellButton button = new CellButton
{
Location = new Point(i, j),
Size = new Size(30, 30)
};
buttonsField[(i - 10) / distanceBetweenButtons, (j - 30) / distanceBetweenButtons] = button;
button.XCoord1 = (i - 10) / distanceBetweenButtons;
button.YCoord1 = (j - 30) / distanceBetweenButtons;
Controls.Add(button);
button.MouseClick += new MouseEventHandler(FieldClick);
}
}
AddBombs(bombCount);
}
/** Count neighbours around a cell */
int CountNeighbours(CellButton button)
{
int neighbours = 0;
for (int i = button.XCoord1 - 1; i <= button.XCoord1 + 1; i++)
{
for (int j = button.YCoord1 - 1; j <= button.YCoord1 + 1; j++)
{
if (i >= 0 && i < fieldWidth && j >= 0 && j < fieldHeight)
{
if (buttonsField[i, j].HasBomb)
{
neighbours++;
}
}
}
}
button.NeighboursCount = neighbours;
return(button.NeighboursCount);
}
/** Explode all bombs on the field */
void BombExplode(CellButton button)
{
button.Text = "*";
for (int i = 0; i < fieldWidth; i++)
{
for (int j = 0; j < fieldHeight; j++)
{
if (buttonsField[i, j].HasBomb)
{
buttonsField[i, j].Text = "*";
}
buttonsField[i, j].Enabled = false;
}
}
if (DialogResult.OK == MessageBox.Show("You loose!"))
{
GameSetup();
}
}
/** Open a cell area with cells wihout numbers */
void OpenEmptyCells(CellButton button)
{
EmptyCellClick(button);
for (int i = button.XCoord1 - 1; i <= button.XCoord1 + 1; i++)
{
for (int j = button.YCoord1 - 1; j <= button.YCoord1 + 1; j++)
{
if (i >= 0 && i < fieldWidth && j >= 0 && j < fieldHeight)
{
if (!buttonsField[i, j].IsActivated &&
CountNeighbours(buttonsField[i, j]) == 0)
{
OpenEmptyCells(buttonsField[i, j]);
}
else if (!buttonsField[i, j].HasBomb)
{
EmptyCellClick(buttonsField[i, j]);
}
}
}
}
}
/** Handle click on cell without a bomb */
void EmptyCellClick(CellButton button)
{
button.BackColor = Color.DarkGray;
CountNeighbours(button);
if (button.NeighboursCount != 0)
{
button.Text = button.NeighboursCount.ToString();
}
if (!button.IsActivated)
{
openCellsCount++;
}
button.IsActivated = true;
if (openCellsCount == fieldHeight * fieldWidth - bombCount)
{
for (int i = 0; i < fieldWidth; i++)
{
for (int j = 0; j < fieldHeight; j++)
{
if (buttonsField[i, j].HasBomb)
{
buttonsField[i, j].BackColor = Color.LightGreen;
}
}
}
if (DialogResult.OK == MessageBox.Show("Congratulations! You win!"))
{
Application.Exit();
}
}
}
/** Handle click on the field */
void FieldClick(object sender, MouseEventArgs e)
{
CellButton button = (CellButton)sender;
switch (e.Button)
{
case (MouseButtons.Left):
{
if (button.IsActivated || button.Text == "X")
{
break;
}
if (button.HasBomb)
{
if (firstClick)
{
button.HasBomb = false;
// add new bomb
AddBombs(1);
EmptyCellClick(button);
}
else
{
BombExplode(button);
}
}
else
{
EmptyCellClick(button);
if (button.NeighboursCount == 0)
{
OpenEmptyCells(button);
}
}
firstClick = false;
button.IsActivated = true;
break;
}
case MouseButtons.Right:
{
if (button.IsActivated)
{
break;
}
if (button.BackColor != Color.LightPink)
{
button.BackColor = Color.LightPink;
button.Text = "X";
}
else
{
button.BackColor = Control.DefaultBackColor;
button.UseVisualStyleBackColor = true;
button.Text = "";
}
break;
}
}
}
