public CharBoard CreateLoot(Random random, Encounter value)
{
return(new CharBoard(
CharCells.Select(c => c.WithLoot(random, value)),
PossibleWords,
NextSelectionIndex
));
}
public Maybe <CharBoard> MakeAutoLetterSelection(char letter)
{
var maybeOpenCell = CharCells.FirstOrDefault(c => !c.IsSelected && c.Value == letter).ToMaybe();
if (maybeOpenCell.HasValue)
{
var newCell = maybeOpenCell.Value.Select(NextSelectionIndex);
var newCells = CharCells.Select(c => c == maybeOpenCell.Value ? newCell : c);
return(new CharBoard(newCells, PossibleWords, NextSelectionIndex + 1).ToMaybe());
}
return(Maybe.None <CharBoard>());
}
internal Maybe <CharBoard> UndoLastSelection()
{
var mLastSelected = CharCells
.OrderByDescending(c => c.SelectionIndex.HasValue ? c.SelectionIndex.Value : -1)
.FirstOrDefault(v => v.SelectionIndex.HasValue)
.ToMaybe();
if (!mLastSelected.HasValue)
{
return(Maybe.None <CharBoard>());
}
var lastSelected = mLastSelected.Value;
var newCells = CharCells.Select(c => c == lastSelected ? lastSelected.Deselect() : c);
return(new CharBoard(newCells, PossibleWords, NextSelectionIndex - 1).ToMaybe());
}