private Coordinates GenerateMinePosition()
{
Coordinates position;
do
{
position = new Coordinates(random.Next(this.field.Rows), random.Next(this.field.Cols));
} while (this.field[position] != Field.Empty);
return position;
}
public static bool TryParse(string input, out Coordinates result)
{
try
{
result = Coordinates.Parse(input);
return true;
}
catch
{
result = new Coordinates(0, 0);
return false;
}
}
public static Coordinates Parse(string input)
{
if (input == null)
{
throw new ArgumentNullException("input", "Value can not be null.");
}
Match match = Regex.Match(input, @"^\s*(\d+)\s+(\d+)\s*$");
if (!match.Success)
{
throw new FormatException("Input string was not in a correct format.");
}
int row = int.Parse(match.Groups[1].Value);
int col = int.Parse(match.Groups[2].Value);
Coordinates result = new Coordinates(row, col);
return result;
}
public void DetonateMine(Coordinates position)
{
Mine mine = this.field.GetMine(position);
string[] area = detonationAreaOfMine[mine];
Coordinates center = new Coordinates(area.GetLength(0) / 2, area[0].Length / 2);
Coordinates topLeft = position - center;
Coordinates bottomRight = position + center;
this.field.ForEach(
topLeft,
bottomRight,
currentPosition =>
{
Coordinates areaPosition = currentPosition - topLeft;
if (area[areaPosition.Row][areaPosition.Col] != Detonator.Empty)
{
this.field.Destroy(currentPosition);
}
});
}
public void ForEach(Coordinates topLeft, Coordinates bottomRight, Action<Coordinates> action)
{
Coordinates innerTopLeft = new Coordinates(
Math.Max(topLeft.Row, 0),
Math.Max(topLeft.Col, 0));
Coordinates innerBottomRight = new Coordinates(
Math.Min(bottomRight.Row, this.Rows - 1),
Math.Min(bottomRight.Col, this.Cols - 1));
for (int row = innerTopLeft.Row; row <= innerBottomRight.Row; row++)
{
for (int col = innerTopLeft.Col; col <= innerBottomRight.Col; col++)
{
action(new Coordinates(row, col));
}
}
}
public void Destroy(Coordinates coordinates)
{
this[coordinates] = Field.Detonated;
}
public string this[Coordinates coordinates]
{
get { return this[coordinates.Row, coordinates.Col]; }
set { this[coordinates.Row, coordinates.Col] = value; }
}
public bool IsMine(Coordinates coordinates)
{
bool result = true;
result = result && this[coordinates] != Field.Empty;
result = result && this[coordinates] != Field.Detonated;
return result;
}
public Mine GetMine(Coordinates position)
{
if (!IsMine(position))
{
throw new ArgumentException("There is no mine at this position.");
}
Mine mine = (Mine)int.Parse(this[position]);
return mine;
}