public CtorHelper(WordGraph graph, Board board, Rack rack)
{
this.graph = graph;
this.board = board;
var validMap = new Dictionary <WordPart, PlayPath>();
var cells = board.GetStartCells();
var done = new HashSet <WordPart>();
foreach (Cell cell in cells)
{
foreach (Direction direction in new[] { Direction.Down, Direction.Right })
{
var otherDirection = direction == Direction.Down ? Direction.Right : Direction.Down;
var playable = new PlayableLetters(rack.Letters);
WordPartPair extraPair = GetBeforeAfter(board, cell, otherDirection, graph, playable);
WordPartPair mainPair = GetBeforeAfter(board, cell, direction, graph, playable);
if (playable.Count == 0)
{
continue;
}
foreach (char letter in playable)
{
WordPart mainPart = mainPair.Play(cell, letter) ?? new WordPart(letter.ToString(), cell, direction);
WordPart extraPart = extraPair.Play(cell, letter);
if (extraPart != null && !graph.IsValid(extraPart.Word))
{
continue;
}
var played = new LetterPlay(cell, letter);
var pending = new List <char>(rack.Letters);
pending.Remove(letter);
bool valid = mainPart.Word.Length == 1 || graph.IsValid(mainPart.Word);
var path = GetPath(mainPart, extraPart, played, pending.ToConstant());
if (valid && !validMap.ContainsKey(mainPart))
{
validMap.Add(mainPart, path);
}
var min = new Dictionary <Direction, HashSet <int> >();
min.Add(Direction.Down, new HashSet <int>());
min.Add(Direction.Right, new HashSet <int>());
var max = new Dictionary <Direction, HashSet <int> >();
max.Add(Direction.Down, new HashSet <int>());
max.Add(Direction.Right, new HashSet <int>());
GetNewPaths(graph, board, path, path, done, validMap, true, min, max);
}
}
}
valids = new ConstantList <PlayPath>(validMap.Values.ToList());
}
public Choices(WordGraph graph, Board board, PlayPath path, Fix fix, Cell cell)
{
this.fix = fix;
this.cell = cell;
Direction direction = path.Main.Direction;
var otherDirection = direction == Direction.Down ? Direction.Right : Direction.Down;
var playable = new PlayableLetters(path.Pending);
WordPart before = fix == Fix.Suffix ? path.Main : null;
WordPart after = fix == Fix.Prefix ? path.Main : null;
main = GetBeforeAfter(board, cell, direction, graph, playable, before, after);
extra = GetBeforeAfter(board, cell, otherDirection, graph, playable);
letters = playable.Choices.ToConstant();
}
internal static PlayPath GetPath(Board board, Rack rack, WordPart part)
{
ISet <Cell> excluded = board.GetExcluded(part);
ConstantList <LetterPlay> played = part.GetPlayed(excluded);
var extras = new List <WordPart>();
var otherDirection = part.Direction == Direction.Right ? Direction.Down : Direction.Right;
var pending = new List <char>(rack.Letters);
foreach (LetterPlay lp in played)
{
var before = board.GetBeforePart(lp.Cell, otherDirection);
var after = board.GetAfterPart(lp.Cell, otherDirection);
var pair = new WordPartPair(before, after);
WordPart extra = pair.Play(lp.Cell, lp.Letter);
if (extra != null)
{
extras.Add(extra);
}
pending.Remove(lp.Letter);
}
return(new PlayPath(part, new WordPartCollection(extras.ToConstant()), played, pending.ToConstant()));
}