public void SearchLocation(int row, int col)
{
var search_target = GetTile(row, col);
var visibility = search_target.GetVisibility();
var contents = search_target.GetContents();
if (visibility != Tile.Visibility.Hidden ||
contents == Tile.Contents.Mine)
{
throw new TileSearchException("Tile searched was " + search_target.GetRowColString());
}
var queue = new Queue <Tile>();
queue.Enqueue(GetTile(row, col));
while (queue.Count > 0)
{
Tile current = queue.Dequeue();
current.SetVisibility(Tile.Visibility.Revealed);
var neighbors = FindAdjacent(current.GetRow(),
current.GetCol());
if (IsNeighborMined(neighbors))
{
foreach (Tile neighbor in neighbors)
{
if (neighbor.GetContents() == Tile.Contents.Mine)
{
current.IncrNumAdjMines();
}
}
continue;
}
foreach (Tile neighbor in neighbors)
{
var neighbor_visibility = neighbor.GetVisibility();
if (neighbor_visibility == Tile.Visibility.Hidden &&
!queue.Contains(neighbor))
{
queue.Enqueue(neighbor);
}
}
}
}