private void Reduce()
{
var gridSize = Grids.GetSize();
var points = EnumerableUtil.Rectangle(gridSize);
var flagPoints = points.Where(t => Grids[t.X, t.Y] == Grid.Flag).ToArray();
foreach (var flagPoint in flagPoints)
{
var surroundingPoints = flagPoint.Surrounding().Where(t => gridSize.Contains(t));
foreach (var surroundingPoint in surroundingPoints)
{
var surroundingValue = Grids[surroundingPoint.X, surroundingPoint.Y];
if (surroundingValue.IsNumber())
{
var reducedValue = surroundingValue - 1;
Grids[surroundingPoint.X, surroundingPoint.Y] = reducedValue;
}
}
Grids[flagPoint.X, flagPoint.Y] = Grid.None;
}
var questionPoints = points.Where(t => Grids[t.X, t.Y] == Grid.Question).ToArray();
foreach (var questionPoint in questionPoints)
{
Grids[questionPoint.X, questionPoint.Y] = Grid.Raw;
}
}
public StrategyBoard(Grid[,] grids, int bombCount)
{
Grids = (Grid[, ])grids.Clone();
Size = Grids.GetSize();
BombCount = bombCount;
Reduce();
RawCount = Count(Grid.Raw);
}
private int Count(Grid grid)
{
var points = EnumerableUtil.Rectangle(Grids.GetSize());
return(points.Count(point => Grids[point.X, point.Y] == grid));
}