public int DetermineAllPairsShanten(out HandInfo allPairsHand)
{
allPairsHand = new HandInfo(remainingTiles);
int numberOfPairs = 0;
List <Tile> pairTiles = new List <Tile>();
for (int tile = 0; tile < remainingTiles.Count; tile++)
{
if (tile == remainingTiles.Count - 1 && !pairTiles.Contains(remainingTiles[tile]))
{
allPairsHand.isolatedTiles.Add(remainingTiles[tile]);
break;
}
else if (tile == remainingTiles.Count - 1 && pairTiles.Contains(remainingTiles[tile]))
{
break;
}
if (remainingTiles[tile] == remainingTiles[tile + 1] && !pairTiles.Contains(remainingTiles[tile]))
{
tile++;
numberOfPairs++;
pairTiles.Add(remainingTiles[tile]);
}
else if (!pairTiles.Contains(remainingTiles[tile]))
{
allPairsHand.isolatedTiles.Add(remainingTiles[tile]);
}
}
allPairsHand.allPairs = true;
allPairsHand.shanten = 6 - numberOfPairs;
return(6 - numberOfPairs);
}
public BestHandsCalculator(List <Tile> tiles)
{
_startingHand = new HandInfo(tiles);
_bestHands = new List <HandInfo>();
_bestShanten = 99;
DetermineBestHands();
}
public void CheckIsolatedTile(Tile tile, out HandInfo newPossibleHand)
{
List <Tile> newTiles = new List <Tile>(remainingTiles);
newTiles.Remove(tile);
List <Tile> newIsolatedTiles = new List <Tile>(isolatedTiles);
newIsolatedTiles.Add(tile);
newPossibleHand = new HandInfo(newTiles, numberOfMelds, unfinishedMelds, newIsolatedTiles, hasPair, shanten, maxShanten, impossibleTilesToDraw);
}
public void CheckChi(Tile tile, out HandInfo newPossibleHand)
{
if (remainingTiles.Contains(tile.Next()) && remainingTiles.Contains(tile.Next().Next()))
{
List <Tile> newTiles = new List <Tile>(remainingTiles);
newTiles.Remove(tile);
newTiles.Remove(tile.Next());
newTiles.Remove(tile.Next().Next());
newPossibleHand = new HandInfo(newTiles, numberOfMelds + 1, unfinishedMelds, isolatedTiles, hasPair, shanten, maxShanten, impossibleTilesToDraw);
}
else
{
newPossibleHand = null;
}
}
public void CheckUnfinishedChiOne(Tile tile, out HandInfo newPossibleHand)
{
if (remainingTiles.Contains(tile.Next()) && !impossibleTilesToDraw.Contains(tile))
{
List <Tile> newTiles = new List <Tile>(remainingTiles);
List <Tile[]> newUnfinishedMelds = new List <Tile[]>(unfinishedMelds);
newUnfinishedMelds.Add(new Tile[] { tile, tile.Next() });
newTiles.Remove(tile);
newTiles.Remove(tile.Next());
newPossibleHand = new HandInfo(newTiles, numberOfMelds, newUnfinishedMelds, isolatedTiles, hasPair, shanten, maxShanten, impossibleTilesToDraw);
}
else
{
newPossibleHand = null;
}
}
public void CheckPair(Tile tile, out HandInfo newPossibleHand)
{
if (remainingTiles.IndexOf(tile) != remainingTiles.LastIndexOf(tile))
{
int indexOne = remainingTiles.IndexOf(tile);
int indexTwo = remainingTiles.LastIndexOf(tile);
List <Tile> newTiles = new List <Tile>(remainingTiles);
newTiles.RemoveAt(indexTwo);
newTiles.RemoveAt(indexOne);
newPossibleHand = new HandInfo(newTiles, numberOfMelds, unfinishedMelds, isolatedTiles, true, shanten, maxShanten, impossibleTilesToDraw);
}
else
{
newPossibleHand = null;
}
}
public void CheckUnfinishedPon(Tile tile, out HandInfo newPossibleHand)
{
if (remainingTiles.IndexOf(tile) != remainingTiles.LastIndexOf(tile) && !impossibleTilesToDraw.Contains(tile))
{
int indexOne = remainingTiles.IndexOf(tile);
int indexTwo = remainingTiles.LastIndexOf(tile);
List <Tile> newTiles = new List <Tile>(remainingTiles);
List <Tile[]> newUnfinishedMelds = new List <Tile[]>(unfinishedMelds);
newUnfinishedMelds.Add(new Tile[] { remainingTiles[indexOne], remainingTiles[indexTwo] });
newTiles.RemoveAt(indexTwo);
newTiles.RemoveAt(indexOne);
newPossibleHand = new HandInfo(newTiles, numberOfMelds, newUnfinishedMelds, isolatedTiles, hasPair, shanten, maxShanten, impossibleTilesToDraw);
}
else
{
newPossibleHand = null;
}
}
public int DetermineKokushiShanten(out HandInfo kokushiHand)
{
kokushiHand = new HandInfo(remainingTiles);
kokushiHand.kokushi = true;
if (kokushiHand.remainingTiles.Count >= 13)
{
int answer = 13;
for (int i = kokushiHand.remainingTiles.Count - 1; i >= 0; i--)
{
if (!kokushiHand.remainingTiles[i].IsKokushiRelated)
{
kokushiHand.isolatedTiles.Add(kokushiHand.remainingTiles[i]);
kokushiHand.remainingTiles.RemoveAt(i);
}
}
if (kokushiHand.IsThereAnyKokushiPair())
{
kokushiHand.hasPair = true;
answer--;
}
kokushiHand.remainingTiles = RemoveAllDoubles(kokushiHand.remainingTiles);
answer -= kokushiHand.remainingTiles.Count;
kokushiHand.shanten = answer;
return(answer);
}
else
{
for (int tile = 0; tile < kokushiHand.remainingTiles.Count; tile++)
{
kokushiHand.isolatedTiles.Add(kokushiHand.remainingTiles[tile]);
}
kokushiHand.remainingTiles.Clear();
return(int.MaxValue);
}
}
private void DetermineBestHands()
{
Queue shantenCounterQueue = new Queue();
HandInfo allPairsHand = null;
int shantenPairs = 100;
if (_startingHand.remainingTiles.Count >= 13)
{
shantenPairs = _startingHand.DetermineAllPairsShanten(out allPairsHand);
}
HandInfo kokushiHand = null;
int shantenKokushi = 100;
if (_startingHand.remainingTiles.Count >= 13)
{
shantenKokushi = _startingHand.DetermineKokushiShanten(out kokushiHand);
}
if (shantenPairs <= _bestShanten)
{
_bestShanten = shantenPairs;
_bestHands.Add(allPairsHand);
}
if (shantenKokushi < _bestShanten)
{
_bestShanten = shantenKokushi;
_bestHands.Clear();
_bestHands.Add(kokushiHand);
}
if (shantenKokushi == _bestShanten)
{
_bestHands.Add(kokushiHand);
}
if (_startingHand.remainingTiles.Count != 14)
{
switch (_startingHand.remainingTiles.Count)
{
case 11:
_startingHand.numberOfMelds = 1;
break;
case 8:
_startingHand.numberOfMelds = 2;
break;
case 5:
_startingHand.numberOfMelds = 3;
break;
case 2:
_startingHand.numberOfMelds = 4;
break;
}
}
shantenCounterQueue.Enqueue(_startingHand);
do
{
var currentHand = (HandInfo)shantenCounterQueue.Dequeue();
if (_bestHands.Count > 0 && currentHand.isolatedTiles.Count > _bestHands[_bestHands.Count - 1].isolatedTiles.Count + 1) //NOT SURE ABOUT THIS ONE.?
{
continue;
}
int currentHandShanten;
var newPossibleHands = new List <HandInfo>();
if (currentHand.remainingTiles.Count != 0)
{
currentHand.ElaborateHand(out newPossibleHands, out currentHandShanten);
}
else
{
currentHand.DetermineShanten();
currentHandShanten = currentHand.shanten;
}
if (currentHandShanten < _bestShanten && currentHand.remainingTiles.Count == 0)
{
_bestShanten = currentHandShanten;
_bestHands.Clear();
_bestHands.Add(currentHand);
}
else if (currentHandShanten == _bestShanten && currentHand.remainingTiles.Count == 0)
{
_bestHands.Add(currentHand);
}
if (newPossibleHands != null)
{
foreach (var hand in newPossibleHands)
{
shantenCounterQueue.Enqueue(hand);
}
}
}while (shantenCounterQueue.Count != 0);
}
