public static Board MakeBoard()
{
var tileList = ShuffleTiles (MakeTiles ()).ToList();
// var tileList = MakeTiles().ToList(); // don't shuffle for testing
var tiles = new Tile[4, 4];
for (int i = 0; i < 4; i++)
for (int j = 0; j < 4; j++)
{
var t = tileList [0];
tileList.RemoveAt (0);
tiles [i, j] = t;
}
return new Board (tiles);
}
private Board Clone()
{
var newTiles = new Tile [4, 4];
for (int i = 0; i < 4; i++)
for (int j = 0; j < 4; j++)
newTiles [i, j] = Tiles [i, j].Clone ();
return new Board (newTiles) { Moves = Moves.ToList() };
}
private Board(Tile[,] tiles)
{
Tiles = tiles;
Moves = new List<Move> ();
}