public override bool TestNormalRon(SortedTilesEnumerator tiles)
{
if (mahjongTable.TryGetValue(BuildKey(tiles), out var info))
{
return(info.Syanten == -1);
}
else
{
throw new NotImplementedException("mahjong.table中不存在的项。可能是牌数除以3余数不等于2，或者BuildKey方法存在错误。");
}
}
public override void NormalSyanten(SortedTilesEnumerator tiles, ref int result)
{
if (mahjongTable.TryGetValue(BuildKey(tiles), out var info))
{
if (info.Syanten < result)
{
result = info.Syanten;
}
}
else
{
throw new NotImplementedException("mahjong.table中不存在的项。可能是牌数除以3余数不等于2，或者BuildKey方法存在错误。");
}
}
public virtual void NormalSyanten(SortedTilesEnumerator tiles, ref int result)
{
if (tiles.Count % 3 == 0)
{
throw new ArgumentException("牌数量不能是3的倍数。", nameof(tiles));
}
var args = new SyantenArgs {
Result = result,
MinValue = 1 - tiles.Count % 3
};
NormalSyantenCutPair(tiles.Tiles, tiles.Count, args);
result = args.Result;
}
private static ulong BuildKey(SortedTilesEnumerator tiles)
{
ulong result = 0xF;
int prevIndex = -3;
for (int i = 0; i < 34; i++)
{
if (i % 9 == 0 || i >= 27)
{
prevIndex = -3;
}
if (tiles.Tiles[i] == 0)
{
continue;
}
int diffIndex = i - prevIndex - 1;
result = (result << 4) | (diffIndex >= 2 ? 8U : (uint)diffIndex << 2);
result |= (byte)(tiles.Tiles[i] - 1);
prevIndex = i;
}
result = MahjongTable.Rebuild(result);
return(result);
}
public BaseTileCollection(BaseTile[] baseTiles)
{
this.baseTiles = baseTiles;
this.sorted = new SortedTilesEnumerator(baseTiles);
}
public BaseTileCollection(IEnumerable <BaseTile> baseTiles)
{
this.baseTiles = baseTiles.ToArray();
Array.Sort(this.baseTiles);
this.sorted = new SortedTilesEnumerator(baseTiles);
}