private static Map ReadMap(string fileName)
{
var mapPath = Path.Combine(Environment.CurrentDirectory, fileName);
var map = new Map();
var content = File.ReadLines(mapPath);
var contentInfo = content
.Skip(1)
.ToArray();
for (var idx = 0; idx < contentInfo.Length; idx++)
{
var arr = contentInfo[idx]
.Split(' ')
.Select(int.Parse)
.ToArray();
var step = new Step();
foreach (var val in arr)
{
step.AddTile(new Tile {Elevation = val});
}
map.AddStep(step);
}
return map;
}
public IEnumerable<IList<int>> Find(Map map)
{
var flattenPath = new List<IList<int>>();
var allTiles = new List<Tile>();
foreach (var step in map.Steps)
{
allTiles.AddRange(step.Tiles);
}
foreach (var tile in allTiles)
{
TraverseDownward(flattenPath, tile, new List<int>());
}
return flattenPath;
}