/// <summary>
/// Generates a random fieldmap given the number of rows and columns.
/// </summary>
/// <param name="rows">The rows.</param>
/// <param name="columns">The columns.</param>
/// <returns>FieldMap</returns>
public static Cell[,] GetFieldMap(int rows, int columns)
{
var random = RandomGenerator.GetRandomNumberGenerator(rows, columns);
var cells = new Cell[rows, columns];
for (int row = 0; row < rows; row++)
{
for (int column = 0; column < columns; column++)
{
cells[row, column] = new Cell
{
CellState = CellState.Closed,
Mine = Settings.Default.DefaultIndicator
};
}
// Randomly compute the number of mines per row and the mine locations in a row.
int numberOfminesPerRow = random.Next(columns / 2);
for (int i = 0; i < numberOfminesPerRow; i++)
{
int mineLocation = random.Next(1, columns);
// Trying to force the number of unique random mines takes more time as
// random number generator should genrate something in a finite set.
// while (cells[row, i].Mine == Settings.Default.MineIndicator)
// {
// mineLocation = random.Next(1, columns);
// }
cells[row, mineLocation].Mine = Settings.Default.MineIndicator;
}
}
return cells;
}
/// <summary>
/// Gets the field map for the user defined mine layout.
/// </summary>
/// <param name="mineLayout">The mine layout.</param>
/// <returns></returns>
public static Cell[,] GetFieldMap(string mineLayout)
{
char[,] layout = ProcessMineLayout(mineLayout);
int rows = layout.GetLength(0);
int columns = layout.GetLength(1);
var cells = new Cell[rows, columns];
for (int i = 0; i < rows; i++)
{
for (int j = 0; j < columns; j++)
{
// Initializes cell based on the layout.
cells[i, j] = new Cell
{
CellState = CellState.Closed,
Mine = layout[i, j] == Settings.Default.Mine
? Settings.Default.MineIndicator
: Settings.Default.DefaultIndicator
};
}
}
return cells;
}
