public static string PrintBoard(Board board)
{
BoardAnchorCollector boardAnchorCollector = new();
BoardTileCollection anchors = boardAnchorCollector.GetAnchors(board);
StringBuilder sb = new(PrintBoard_Delimiter);
foreach (BoardTile[] rows in board.Tiles)
{
if (sb.Length != 0)
{
sb.Append('\n');
}
foreach (BoardTile tile in rows)
{
sb.Append(anchors.Contains(tile) ? "[=]" : $"[{tile.PrintChar()}]");
}
}
sb.Append('\n');
sb.Append(PrintBoard_Delimiter);
return(sb.ToString());
}
public Dictionary <BoardTile, HashSet <char> > GetCrossChecksForBoardTiles(BoardTileCollection boardTileCollection)
{
BoardWordRetriever boardWordRetriever = new(Board);
char[] charsFromAlphabet = DawgWithAlphabet.GetAlphabet();
HashSet <char> charsFromAlphabetHashSet = charsFromAlphabet.ToHashSet();
Dictionary <BoardTile, HashSet <char> > tilesAndTheirCrossChecks = new();
foreach (BoardTile boardTile in boardTileCollection)
{
if (boardTile.CharTile != null)
{
continue;
}
tilesAndTheirCrossChecks.Add(boardTile, new HashSet <char>());
BoardTileVerticalWordConnectionChecker verticallityChecker = new(Board);
if (!verticallityChecker.BoardTileIsVerticallyPartOfAWord(boardTile.X, boardTile.Y))
{
tilesAndTheirCrossChecks[boardTile] = charsFromAlphabetHashSet;
continue;
}
foreach (char ch in charsFromAlphabet)
{
Board.PlaceCharTile(boardTile.X, boardTile.Y, ch);
VerticalBoardWord verticalWord = boardWordRetriever.GetVerticalWordTilesAtCoordinates(boardTile.X, boardTile.Y);
if (DawgWithAlphabet.IsWordValid(verticalWord.GetWord()))
{
tilesAndTheirCrossChecks[boardTile].Add(ch);
}
Board.RemoveCharTile(boardTile.X, boardTile.Y);
}
}
return(tilesAndTheirCrossChecks);
}
public List <BoardWord> GetPossibleMoves(BoardTile anchor, IPlayerRack playerRack)
{
ValidWords = new List <BoardWord>();
PlayerRack = playerRack;
StartingBoardTile = anchor;
BoardTilesAndTheirCrossChecks = new Dictionary <BoardTile, HashSet <char> >();
HorizontalBoardWord wordToTheLeftOfAnchor = BoardWordRetriever.GetHorizontalWordTilesAtCoordinates(StartingBoardTile.X, StartingBoardTile.Y - 1);
string partialWord = wordToTheLeftOfAnchor?.GetWord() ?? "";
LeftPartIsAlreadyProvided = partialWord.Length > 0;
BoardTilesAndTheirCrossChecks.Add(StartingBoardTile, BoardCrossCheckCollector.GetCrossChecksForBoardTile(StartingBoardTile));
BoardAnchorCollector boardAnchorCollector = new();
BoardTileCollection boardAnchors = boardAnchorCollector.GetAnchors(Board);
DawgNode node = GetDawgNode(partialWord);
BoardNonAnchorTileCounter boardNonAnchorTileCounter = new(Board);
int limit = boardNonAnchorTileCounter.GetNumberOfNonAnchorTilesToTheLeftOfABoardTile(StartingBoardTile, boardAnchors);
LeftPart(node, limit, anchor);
return(ValidWords);
}
public int GetNumberOfNonAnchorTilesToTheLeftOfABoardTile(BoardTile boardTile, BoardTileCollection boardAnchors)
{
int count = 0;
int boardTileY = boardTile.Y;
while (boardTileY > 0)
{
BoardTile boardTileToTheLeft = Board.GetBoardTileAtCoordinates(boardTile.X, boardTileY - 1);
if (boardTileToTheLeft == null || boardAnchors.Contains(boardTileToTheLeft))
{
break;
}
count++;
boardTileY--;
}
return(count);
}