public MineField(int rows, int columns, int mineCount)
{
if (rows < 1)
{
throw new ArgumentOutOfRangeException("rows");
}
if (columns < 1)
{
throw new ArgumentOutOfRangeException("columns");
}
if (mineCount < 1 || mineCount >= rows * columns)
{
throw new ArgumentOutOfRangeException("mineCount");
}
_rows = rows;
_columns = columns;
_mineCount = mineCount;
_clearedCount = 0;
_squareCount = _rows * _columns;
_state = WinState.Unknown;
bool[] live = new bool[_squareCount];
Random rnd = Util.Rnd;
int ith;
for (int i = 0; i < _mineCount; i++)
{
ith = rnd.Next(_squareCount - i);
for (int j = 0; j < _squareCount; j++)
{
if (live[j] == false)
{
if (ith == 0)
{
live[j] = true;
break;
}
ith--;
}
}
}
_squares = new List<Square>();
int index;
Square square;
for (int y = 0; y < _rows; y++)
{
for (int x = 0; x < _columns; x++)
{
index = y * _columns + x;
square = new Square(this, y, x, live[index]);
square.PropertyChanged += new PropertyChangedEventHandler(square_PropertyChanged);
_squares.Add(square);
}
}
}
public MineField(int rows = DefaultHeight, int columns = DefaultWidth, int mineCount = DefaultMineCount)
{
Contract.Requires(rows > 0);
Contract.Requires(columns > 0);
Contract.Requires(mineCount > 0 && mineCount <= rows * columns);
_rows = rows;
_columns = columns;
_mineCount = mineCount;
_clearedCount = 0;
_squareCount = _rows * _columns;
_state = WinState.Unknown;
bool[] live = new bool[_squareCount];
Random rnd = Util.Rnd;
int ith;
for (int i = 0; i < _mineCount; i++)
{
ith = rnd.Next(_squareCount - i);
for (int j = 0; j < _squareCount; j++)
{
if (live[j] == false)
{
if (ith == 0)
{
live[j] = true;
break;
}
ith--;
}
}
}
var squares = new List<Square>();
for (int y = 0; y < _rows; y++)
{
for (int x = 0; x < _columns; x++)
{
var index = y * _columns + x;
var square = new Square(this, y, x, live[index]);
square.PropertyChanged += square_PropertyChanged;
squares.Add(square);
}
}
_squares = squares.ToReadOnlyCollection();
}
