/// <summary>
/// 各TileKindsが取りうる順列を列挙します。
/// </summary>
/// <param name="source"></param>
/// <param name="count"></param>
/// <returns></returns>
public static IList <TileKinds> Permutations(this TileKinds source, int count)
{
var result = new List <TileKinds>();
PermutationsInnner(source, count, new TileKinds(), result);
return(result);
}
public void Init(float length, int x, int y, TileKinds initialTileKind, GameObject parentGO) {
column = x;
row = y;
tileKind = initialTileKind;
this.gameObject.transform.SetParent(parentGO.transform);
this.SetSize(length);
Vector2 screenScale = this.GetComponent<RectTransform>().localScale;
this.gameObject.transform.localPosition = new Vector3(x+0.5f, -y-0.5f, 1f) * length * screenScale.x;
this.SetTileKind();
}
public override bool IsConditionMet(IList <TileKinds> hand, object[] args = null)
{
var chiSets = hand.Where(x => x.IsChi);
if (chiSets.Count() < 3)
{
return(false);
}
var manChi = new List <TileKinds>();
var pinChi = new List <TileKinds>();
var souChi = new List <TileKinds>();
foreach (var item in chiSets)
{
if (item[0].IsMan)
{
manChi.Add(item);
}
if (item[0].IsPin)
{
pinChi.Add(item);
}
if (item[0].IsSou)
{
souChi.Add(item);
}
}
foreach (var manItem in manChi)
{
foreach (var pinItem in pinChi)
{
foreach (var souItem in souChi)
{
var manNum = new TileKinds(manItem.Select(x => x.Simplify));
var pinNum = new TileKinds(pinItem.Select(x => x.Simplify));
var souNum = new TileKinds(souItem.Select(x => x.Simplify));
if (manNum.Equals(pinNum) && pinNum.Equals(souNum))
{
return(true);
}
}
}
}
return(false);
}
private static void PermutationsInnner(TileKinds stock, int depth, TileKinds current, IList <TileKinds> result)
{
if (depth == 0)
{
result.Add(current);
return;
}
for (var i = 0; i < stock.Count(); i++)
{
var copyOfStock = new TileKinds(stock);
var copyOfCurrent = new TileKinds(current)
{
copyOfStock[i]
};
copyOfStock.RemoveAt(i);
PermutationsInnner(copyOfStock, depth - 1, copyOfCurrent, result);
}
}
private static TileKinds FindPairs(Tiles34 tiles34,
int firstIndex = 0,
int secondIndex = 33)
{
var pairIndices = new TileKinds();
for (var x = firstIndex; x <= secondIndex; x++)
{
//字牌の刻子は無視する（途中で分断して対子にはできない）
if (HONOR_INDICES.Contains(x) && tiles34[x] != 2)
{
continue;
}
if (tiles34[x] >= 2)
{
pairIndices.Add(new TileKind(x));
}
}
return(pairIndices);
}
private static IEnumerable <IEnumerable <TileKinds> > FindValidCombinations(Tiles34 tiles34,
int firstIndex,
int secondIndex,
bool handNotCompleted = false)
{
//Tiles34[0,1,1,1,2,...]=>TileKinds[1,2,3,4,4,...]
var indices = new TileKinds();
for (var x = firstIndex; x <= secondIndex; x++)
{
if (tiles34[x] > 0)
{
var l = indices.ToList();
l.AddRange(Enumerable.Repeat(new TileKind(x), tiles34[x]));
indices = new TileKinds(l);
}
}
if (indices.Count == 0)
{
return(new List <IEnumerable <TileKinds> >());
}
//TileKindsのnP3全順列を列挙
//[1,2,3,4,4]=>[[1,2,3],[1,2,4],[1,3,2],[1,3,4],[1,4,2],[1,4,3],[1,4,4],...]
var t = indices.Permutations(3);
var allPossibleCombinations = t.Select(x => new TileKinds(x));
//刻子、順子の形をしている順列を抜きだす
var validCombinations = new List <TileKinds>();
foreach (var combination in allPossibleCombinations)
{
if (combination.IsChi || combination.IsPon)
{
validCombinations.Add(combination);
}
}
if (validCombinations.Count == 0)
{
return(new List <IEnumerable <TileKinds> >());
}
var countOfNeededCombinations = indices.Count / 3;
//有り得る順列のセットが一通りしかないとき
if (countOfNeededCombinations == validCombinations.Count &&
indices.Equals(validCombinations.Aggregate(
(x, y) => new TileKinds(Enumerable.Concat(x, y)))))
{
return new List <IEnumerable <TileKinds> > {
validCombinations
}
}
;
var validCombinationsCopy = new List <TileKinds>(validCombinations);
foreach (var item in validCombinations)
{
if (!item.IsPon)
{
continue;
}
var countOfSets = 1;
var countOfTiles = 0;
while (countOfSets > countOfTiles)
{
countOfTiles = indices.Count(x => item[0].Equals(x)) / 3;
countOfSets = validCombinationsCopy.Count(x => item[0].Equals(x[0]) &&
item[1].Equals(x[1]) &&
item[2].Equals(x[2]));
if (countOfSets > countOfTiles)
{
validCombinationsCopy.Remove(item);
}
}
}
validCombinations = validCombinationsCopy;
validCombinationsCopy = new List <TileKinds>(validCombinations);
foreach (var item in validCombinations)
{
if (!item.IsChi)
{
continue;
}
var countOfSets = 5;
var countOfPossibleSets = 4;
while (countOfSets > countOfPossibleSets)
{
countOfSets = validCombinationsCopy.Count(x => item[0].Equals(x[0]) &&
item[1].Equals(x[1]) &&
item[2].Equals(x[2]));
if (countOfSets > countOfPossibleSets)
{
validCombinationsCopy.Remove(item);
}
}
}
validCombinations = validCombinationsCopy;
if (handNotCompleted)
{
return new List <IEnumerable <TileKinds> >()
{
validCombinations
}
}
;
var possibleCombinations =
new TileKinds(Enumerable.Range(0, validCombinations.Count))
.Permutations(countOfNeededCombinations);
var combinationsResults = new List <IEnumerable <TileKinds> >();
foreach (var combination in possibleCombinations)
{
var result = new List <TileKind>();
foreach (var item in combination)
{
result.AddRange(validCombinations[item.Value]);
}
result.Sort((x, y) => x.CompareTo(y));
if (!indices.Equals(new TileKinds(result)))
{
continue;
}
var results = new List <TileKinds>();
foreach (var item in combination)
{
results.Add(validCombinations[item.Value]);
}
results.Sort((x, y) => x[0].CompareTo(y[0]));
if (!combinationsResults.Contains_(results))
{
combinationsResults.Add(results);
}
}
return(combinationsResults);
}
public static (List <FuDetail>, int) CalculateFu(IList <TileKinds> hand,
TileId winTile,
TileKinds winGroup,
HandConfig config,
IList <int> valuedTiles = null,
IList <Meld> melds = null)
{
var winTileKind = winTile.ToTileKind();
if (valuedTiles is null)
{
valuedTiles = new List <int>();
}
if (melds is null)
{
melds = new List <Meld>();
}
var fuDetails = new List <FuDetail>();
if (hand.Count == 7)
{
fuDetails = new List <FuDetail>
{
new FuDetail(25, BASE)
};
return(fuDetails, 25);
}
var pair = hand.Where(x => x.IsPair)
.ToList()[0];
var ponSets = hand.Where(x => x.IsPon);
var copiedOpenedMelds = melds.Where(x => x.Type == MeldType.CHI)
.Select(x => x.TileKinds)
.ToList();
var closedChiSets = new List <TileKinds>();
foreach (var x in hand)
{
if (!copiedOpenedMelds.Contains(x))
{
closedChiSets.Add(x);
}
else
{
copiedOpenedMelds.Remove(x);
}
}
var IsOpenHand = melds.Any(x => x.Opened);
if (closedChiSets.Contains(winGroup))
{
var tileIndex = winTileKind.Simplify;
//ペンチャン
if (winGroup.ContainsTerminal())
{
//ペン12
if (tileIndex == 2 && winGroup.IndexOf(winTileKind) == 2)
{
fuDetails.Add(new FuDetail(2, PENCHAN));
}
//ペン89
else if (tileIndex == 6 && winGroup.IndexOf(winTileKind) == 0)
{
fuDetails.Add(new FuDetail(2, PENCHAN));
}
}
//カン57
if (winGroup.IndexOf(winTileKind) == 1)
{
fuDetails.Add(new FuDetail(2, KANCHAN));
}
}
//符あり雀頭
var countOfValuedPairs = valuedTiles.Count(x => x == pair[0].Value);
if (countOfValuedPairs == 1)
{
fuDetails.Add(new FuDetail(2, VALUED_PAIR));
}
//雀頭ダブ東南4符
if (countOfValuedPairs == 2)
{
fuDetails.Add(new FuDetail(2, VALUED_PAIR));
fuDetails.Add(new FuDetail(2, VALUED_PAIR));
}
//シャンポン待ち
if (winGroup.IsPair)
{
fuDetails.Add(new FuDetail(2, PAIR_WAIT));
}
foreach (var setItem in ponSets)
{
var openMelds = melds.Where(x => setItem.Equals(x.TileKinds))
.ToList();
var openMeld = openMelds.Count == 0 ? null : openMelds[0];
var setWasOpen = !(openMeld is null) && openMeld.Opened;
var isKan = !(openMeld is null) &&
(openMeld.Type == MeldType.KAN || openMeld.Type == MeldType.CHANKAN);
var isYaochu = YAOCHU_INDICES.Contains(setItem[0].Value);
if (!config.IsTsumo && setItem.Equals(winGroup))
{
setWasOpen = true;
}
if (isYaochu)
{
if (isKan)
{
if (setWasOpen)
{
fuDetails.Add(new FuDetail(16, OPEN_TERMINAL_KAN));
}
else
{
fuDetails.Add(new FuDetail(32, CLOSED_TERMINAL_KAN));
}
}
else
{
if (setWasOpen)
{
fuDetails.Add(new FuDetail(4, OPEN_TERMINAL_PON));
}
else
{
fuDetails.Add(new FuDetail(8, CLOSED_TERMINAL_PON));
}
}
}
else
{
if (isKan)
{
if (setWasOpen)
{
fuDetails.Add(new FuDetail(8, OPEN_KAN));
}
else
{
fuDetails.Add(new FuDetail(16, CLOSED_KAN));
}
}
else
{
if (setWasOpen)
{
fuDetails.Add(new FuDetail(2, OPEN_PON));
}
else
{
fuDetails.Add(new FuDetail(4, CLOSED_PON));
}
}
}
}
var addTsumoFu = fuDetails.Count > 0 || config.Options.FuForPinfuTsumo;
if (config.IsTsumo && addTsumoFu)
{
fuDetails.Add(new FuDetail(2, TSUMO));
}
if (IsOpenHand && fuDetails.Count == 0 && config.Options.FuForOpenPinfu)
{
fuDetails.Add(new FuDetail(2, HAND_WITHOUT_FU));
}
if (IsOpenHand || config.IsTsumo)
{
fuDetails.Add(new FuDetail(20, BASE));
}
else
{
fuDetails.Add(new FuDetail(30, BASE));
}
return(fuDetails, RoundFu(fuDetails));
}