public void TestArrangementAnalyzer()
{
// Randomly picked 2 shanten hand. 34467p 44446s 3447m
var pinzu = new[] // 001201100 (0,3,5)(1,2,4)(2,0,0)(2,1,2)(2,2,3)
{
new Arrangement(0, 3, 5),
new Arrangement(1, 2, 4), // 2 incomplete mentsu
new Arrangement(2, 0, 0),
new Arrangement(2, 1, 2),
new Arrangement(2, 2, 3)
};
var souzu = new[] // 000401000 (0,2,5)(1,1,3)(2,0,0)(2,1,2)
{
new Arrangement(0, 2, 5), // 1 incomplete and 1 complete mentsu
new Arrangement(1, 1, 3),
new Arrangement(2, 0, 0),
new Arrangement(2, 1, 2)
};
var manzu = new[] // 001200100 (0,3,4)(1,1,2)(1,2,3)(2,0,0)(2,1,1)(2,2,2)
{
new Arrangement(0, 3, 4),
new Arrangement(1, 1, 2),
new Arrangement(1, 2, 3),
new Arrangement(2, 0, 0), // 1 complete pair
new Arrangement(2, 1, 1),
new Arrangement(2, 2, 2)
};
var honor = new Arrangement(0, 0, 0).Yield();
var analyzer = new ArrangementAnalyzer();
analyzer.AddSetOfArrangements(pinzu);
analyzer.AddSetOfArrangements(souzu);
analyzer.AddSetOfArrangements(manzu);
analyzer.AddSetOfArrangements(honor);
var shanten = analyzer.CalculateShanten();
Assert.AreEqual(2, shanten);
}
private IEnumerable<WordWithValue> CreateWords(IEnumerable<List<Arrangement>> arrangements)
{
var arrangementsList = arrangements.ToList();
var alphabetSize = arrangementsList.Count;
var language = CreateBaseLanguage(alphabetSize);
var tilesInArrangements = arrangementsList.Select(a => a.Max(b => b.TotalValue)).ToList();
var max = alphabetSize * ((long)alphabetSize + 1) * ((long)alphabetSize + 2) * ((long)alphabetSize + 3) / 24;
long count = 0;
long current = 0;
foreach (var word in language)
{
var sumOfTiles = word.Sum(c => tilesInArrangements[c]);
if (sumOfTiles <= 14)
{
var analyzer = new ArrangementAnalyzer();
foreach (var character in word)
{
analyzer.AddSetOfArrangements(arrangementsList[character]);
}
var shanten = analyzer.CalculateShanten();
if (shanten < 9)
{
yield return new WordWithValue(word, shanten);
}
}
count += 1;
if (current * (max / 100) < count)
{
IncrementProgressBar();
current += 1;
}
}
}
private static bool RemoveRedundantArrangement(string workingDirectory)
{
var redundancyLog = Path.Combine(workingDirectory, "RedundanciesLog.txt");
File.WriteAllLines(redundancyLog, Enumerable.Empty<string>());
var arrangements = GetAllArrangements(workingDirectory).ToList();
var alphabetSize = arrangements.Count;
var tilesInArrangements = arrangements.Select(a => a.Max(b => b.TotalValue)).ToList();
for (var i = 0; i < arrangements.Count; ++i)
{
var arrangement = arrangements[i];
if (arrangement.Count < 2)
{
continue;
}
for (var j = 0; j < arrangement.Count; ++j)
{
var isRedundant = true;
var language = CreateBaseLanguage(alphabetSize);
foreach (var word in language)
{
if (word.All(c => c != i))
{
continue;
}
var sumOfTiles = word.Sum(c => tilesInArrangements[c]);
if (sumOfTiles > 14)
{
continue;
}
var analyzer = new ArrangementAnalyzer();
foreach (var character in word)
{
analyzer.AddSetOfArrangements(arrangements[character]);
}
var shanten = analyzer.CalculateShanten();
if (shanten >= 9)
{
continue;
}
var replacement = arrangement.Where((t, index) => index != j).ToList();
var analyzer2 = new ArrangementAnalyzer();
foreach (var character in word)
{
analyzer2.AddSetOfArrangements(character == i ? replacement : arrangements[character]);
}
var shanten2 = analyzer2.CalculateShanten();
if (shanten != shanten2)
{
isRedundant = false;
break;
}
}
if (isRedundant)
{
File.AppendAllLines(redundancyLog, $"Removing {arrangements[i][j]} from {string.Join("", arrangements[i])}; i = {i}, j = {j}".Yield());
arrangements[i].RemoveAt(j);
var newLines = arrangements.Select(GetArrangementsString).Distinct().OrderBy(line => line);
var targetFile = Path.Combine(workingDirectory, "ArrangementCombinations.txt");
File.WriteAllLines(targetFile, newLines);
return true;
}
}
}
return false;
}
