public Map(string filename)
{
var lines = File.ReadAllLines(filename);
var heroPos = lines[0].Split().Select(int.Parse).ToArray();
Hero = new Location(heroPos[0], heroPos[1]);
cells = new CellType[lines.Length, lines[0].Length];
foreach (var y in lines.Indices())
foreach (var x in lines[0])
{
CellType cellType;
switch (lines[y][x])
{
case '.':
cellType = CellType.Empty;
break;
case '#':
cellType = CellType.Wall;
break;
case '@':
cellType = CellType.Swamp;
break;
default:
throw new NotSupportedException(lines[y][x].ToString());
}
cells[y, x] = cellType;
}
}
public bool TryMoveHero(int dx, int dy)
{
var newHero = new Location(Hero.X + dx, Hero.Y + dy);
if (!InsideMap(newHero)) return false;
if (this[newHero] == CellType.Wall) return false;
Hero = newHero;
return true;
}
public bool InsideMap(Location pos)
{
return pos.X >= 0 && pos.X < cells.GetLength(0)
&& pos.Y >= 0 && pos.Y < cells.GetLength(1);
}
public CellType this[Location pos] => cells[pos.Y, pos.X];
