public IEnumerable <HexStep> GetSolutions_Double(HexHintList hintlist)
{
var varcells = GetCells().Where(p => p.Type == HexagonType.HIDDEN).ToList();
if (varcells.Count > LIMIT_DOUBLE)
{
yield break;
}
List <HexHint> hints = varcells.SelectMany(p => hintlist.Get(p.Position)).Distinct().ToList();
foreach (var add_cells in hints.OrderBy(p => p.GetCells().Count(q => q.Type == HexagonType.HIDDEN)).Where(p => p.GetCells().Where(q => q.Type == HexagonType.HIDDEN).Any(q => !varcells.Contains(q))))
{
var new_varcells = varcells.Concat(add_cells.GetCells().Where(p => p.Type == HexagonType.HIDDEN)).Distinct().ToList();
if (new_varcells.Count > LIMIT_DOUBLE)
{
break;
}
var new_hints = varcells.SelectMany(p => hintlist.Get(p.Position)).Distinct().ToList();
foreach (var solution in GetSolutions(new_varcells, -1, new_hints))
{
yield return(solution);
}
}
}
public List <HexStep> GetSolutions_Single(HexHintList hintlist)
{
var varcells = GetCells().Where(p => p.Type == HexagonType.HIDDEN).ToList();
if (varcells.Count > LIMIT_SINGLE)
{
return(Enumerable.Empty <HexStep>().ToList());
}
List <HexHint> hints = varcells.SelectMany(p => hintlist.Get(p.Position)).Distinct().ToList();
int myNumber = GetNumber() - GetCells().Count(p => p.Type == HexagonType.ACTIVE);
if (myNumber < 0)
{
throw new Exception("Invalid Game state [Number < 0]");
}
return(GetSolutions(varcells, myNumber, hints));
}
