public static void Detect(MineGrid grid)
{
foreach (var mine in grid.Where(cell => cell.IsMine))
{
TryIncreaseCellNeighborNearbyMineCount(grid, mine.X, mine.Y);
}
}
static void TryIncreaseCellNeighborNearbyMineCount(MineGrid grid, int x, int y)
{
TryIncreaseCellNearbyMineCount(grid, x - 1, y - 1);
TryIncreaseCellNearbyMineCount(grid, x - 1, y);
TryIncreaseCellNearbyMineCount(grid, x - 1, y + 1);
TryIncreaseCellNearbyMineCount(grid, x, y - 1);
TryIncreaseCellNearbyMineCount(grid, x, y);
TryIncreaseCellNearbyMineCount(grid, x, y + 1);
TryIncreaseCellNearbyMineCount(grid, x + 1, y - 1);
TryIncreaseCellNearbyMineCount(grid, x + 1, y);
TryIncreaseCellNearbyMineCount(grid, x + 1, y + 1);
}
static void TryIncreaseCellNearbyMineCount(MineGrid grid, int x, int y)
{
if (x < 0 || x >= grid.Width)
{
return;
}
if (y < 0 || y >= grid.Height)
{
return;
}
if (grid.IsMineCell(x, y))
{
return;
}
grid.IncreaseCellNearbyMineCount(x, y);
}