private void Scramble(MahjongBoard board)
{
List <MahjongPair> reversed = new List <MahjongPair>();
while (board.Tiles.Count > 0)
{
List <MahjongTile> removable = new List <MahjongTile>();
removable.AddRange(ExtractRemovableTiles(board));
while (removable.Count > 1)
{
reversed.Add(MahjongPair.GetPair(removable));
}
foreach (MahjongTile tile in removable)
{
board.Add(tile);
}
}
for (int i = reversed.Count - 1; i >= 0; i--)
{
int typeIndex = random.Next() % types.Count;
reversed[i].TileOne.Type = board.types[typeIndex];
reversed[i].TileTwo.Type = board.types[typeIndex];
board.Add(reversed[i].TileOne);
board.Add(reversed[i].TileTwo);
}
}
private void Structure(MahjongBoard board)
{
for (int index = 0; index < Indexes; index++)
{
for (int column = 0; column < Columns; column++)
{
for (int row = 0; row < Rows; row++)
{
MahjongTile tile = AddTile(null, column, row, index);
if (tile != null)
{
board.Tiles.Add(tile);
}
}
}
}
}
private List <MahjongTile> ExtractRemovableTiles(MahjongBoard board)
{
List <MahjongTile> removable = new List <MahjongTile>();
MahjongTile[] tiles = new MahjongTile[board.Tiles.Count];
board.Tiles.CopyTo(tiles, 0);
foreach (MahjongTile tile in tiles)
{
if (board.CanMove(tile))
{
removable.Add(tile);
}
}
foreach (MahjongTile tile in removable)
{
board.Remove(tile);
}
return(removable);
}
private void Generate(MahjongBoard board)
{
board.Tiles = new ObservableCollection <MahjongTile>();
Structure(board);
Scramble(board);
}
