util

package
v0.2.2 Latest Latest
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 Go to latest Published: May 2, 2019 License: MIT Imports: 6 Imported by: 0

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Index

Constants

View Source 
const (
	RonPointRiichiHiIppatsu = 5172.0 // 基准
	RonPointRiichiIppatsu   = 7445.0
	//RonPointHonitsu         = 6603.0
	//RonPointToitoi          = 7300.0
	RonPointOtherNaki = 3000.0 // *fixed
	// TODO: 考虑双东的影响
	RonPointDama = 4536.0
)

子家荣和点数均值 参考：「統計学」のマージャン戦術 亲家按 x1.5 算 TODO: 剩余 dora 数对失点的影响

View Source 
const (
	WallSafeTypeDoubleNoChance = iota // 只输单骑对碰
	WallSafeTypeNoChance              // 单骑对碰边张坎张
	WallSafeTypeDoubleOneChance
	WallSafeTypeMixedOneChance // 对于456来说，一半 double，一半不是 double
	WallSafeTypeOneChance
)
View Source 
const (
	// https://en.wikipedia.org/wiki/Japanese_Mahjong_yaku
	// Special criteria
	YakuRiichi int = iota
	YakuChiitoi

	// Yaku based on luck
	YakuTsumo
	YakuIppatsu
	YakuHaitei
	YakuHoutei
	YakuRinshan
	YakuChankan
	YakuDaburii

	// Yaku based on sequences
	YakuPinfu
	YakuRyanpeikou
	YakuIipeikou
	YakuSanshokuDoujun // *
	YakuIttsuu         // *

	// Yaku based on triplets and/or quads
	YakuToitoi
	YakuSanAnkou
	YakuSanshokuDoukou
	YakuSanKantsu

	// Yaku based on terminal or honor tiles
	YakuTanyao
	YakuYakuhai
	YakuChanta    // * 必须有顺子
	YakuJunchan   // * 必须有顺子
	YakuHonroutou // 七对也算
	YakuShousangen

	// Yaku based on suits
	YakuHonitsu  // *
	YakuChinitsu // *

)
View Source 
const FuritenAgariMulti = 0.4706727

参考:「統計学」のマージャン戦術

Variables

View Source 
var (
	// [需要判断危险度的牌号(0-8)][是否有对应的现物(0-1或0-3)]
	// 123789: 无现物，有现物
	// 4: 无17现物，无1有7，有1无7，有17
	// 56: 同上
	TileTypeTable = [][]tileType{
		{tileTypeNoSuji19, tileTypeSuji19},
		{tileTypeNoSuji28, tileTypeSuji28},
		{tileTypeNoSuji37, tileTypeSuji37},
		{tileTypeNoSuji46, tileTypeHalfSuji46B, tileTypeHalfSuji46A, tileTypeDoubleSuji46},
		{tileTypeNoSuji5, tileTypeHalfSuji5, tileTypeHalfSuji5, tileTypeDoubleSuji5},
		{tileTypeNoSuji46, tileTypeHalfSuji46A, tileTypeHalfSuji46B, tileTypeDoubleSuji46},
		{tileTypeNoSuji37, tileTypeSuji37},
		{tileTypeNoSuji28, tileTypeSuji28},
		{tileTypeNoSuji19, tileTypeSuji19},
	}
	// [是否为役牌(0-1)][剩余数-1]
	HonorTileType = [][]tileType{
		{tileTypeOtakazeLeft1, tileTypeOtakazeLeft2, tileTypeOtakazeLeft3, tileTypeOtakazeLeft3},
		{tileTypeYakuHaiLeft1, tileTypeYakuHaiLeft2, tileTypeYakuHaiLeft3, tileTypeYakuHaiLeft3},
	}
)
View Source 
var FixedDoraRiskRateMulti = []float64{
	14.9 / 12.8 * 78 / 58,
	15.0 / 13.1 * 78 / 58,
	12.1 / 9.5 * 75 / 56,
	10.3 / 8.6 * 75 / 54,
	8.9 / 7.4 * 77 / 53,

	9.7 / 7.4 * 81 / 60,
	8.9 / 7.2 * 81 / 60,
	10.4 / 7.9 * 81 / 60,
	8.0 / 5.5 * 75 / 56,
	5.5 / 3.9 * 81 / 56,
	3.5 / 1.8 * 92 / 58,
	4.1 / 2.2 * 88 / 62,
	4.1 / 2.3 * 88 / 62,

	5.2 / 4.6 * 96 / 67,
	2.9 / 1.9 * 96 / 67,
	1.1 / 0.3 * 96 / 67,
	5.1 / 4.0 * 92 / 56,
	3.0 / 1.8 * 92 / 56,
	0.8 / 0.2 * 92 / 56,
}

考虑失点的综合值（参考第9巡的数据）

View Source 
var Mahjong = [...]string{
	"1m", "2m", "3m", "4m", "5m", "6m", "7m", "8m", "9m",
	"1p", "2p", "3p", "4p", "5p", "6p", "7p", "8p", "9p",
	"1s", "2s", "3s", "4s", "5s", "6s", "7s", "8s", "9s",
	"1z", "2z", "3z", "4z", "5z", "6z", "7z",
}
View Source 
var MahjongU = [...]string{
	"1M", "2M", "3M", "4M", "5M", "6M", "7M", "8M", "9M",
	"1p", "2p", "3p", "4p", "5p", "6p", "7p", "8p", "9p",
	"1S", "2S", "3S", "4S", "5S", "6S", "7S", "8S", "9S",
	"1Z", "2Z", "3Z", "4Z", "5Z", "6Z", "7Z",
}
View Source 
var MahjongZH = [...]string{
	"1万", "2万", "3万", "4万", "5万", "6万", "7万", "8万", "9万",
	"1饼", "2饼", "3饼", "4饼", "5饼", "6饼", "7饼", "8饼", "9饼",
	"1索", "2索", "3索", "4索", "5索", "6索", "7索", "8索", "9索",
	"东", "南", "西", "北", "白", "发", "中",
}
View Source 
var MaxTurns = len(RiskRate) - 1
View Source 
var NakiYakuHanMap = _yakuHanMap{
	YakuHaitei:  1,
	YakuHoutei:  1,
	YakuRinshan: 1,
	YakuChankan: 1,

	YakuSanshokuDoujun: 1,
	YakuIttsuu:         1,

	YakuToitoi:         2,
	YakuSanAnkou:       2,
	YakuSanshokuDoukou: 2,
	YakuSanKantsu:      2,

	YakuTanyao:     1,
	YakuYakuhai:    1,
	YakuChanta:     1,
	YakuJunchan:    2,
	YakuHonroutou:  2,
	YakuShousangen: 2,

	YakuHonitsu:  2,
	YakuChinitsu: 5,
}
View Source 
var RiskRate = [][]float64{
	{},
	{5.7, 5.7, 5.8, 4.7, 3.4, 2.5, 2.5, 3.1, 5.6, 3.8, 1.8, 0.8, 2.6, 2.1, 1.2, 0.5, 2.4, 1.4, 1.2},
	{6.6, 6.9, 6.3, 5.2, 4.0, 3.5, 3.5, 4.1, 5.3, 3.5, 1.9, 0.8, 2.6, 2.3, 1.2, 0.5, 2.7, 1.3, 0.4},
	{7.7, 8.0, 6.7, 5.8, 4.6, 4.3, 4.1, 4.9, 5.2, 3.6, 1.8, 1.6, 2.0, 2.4, 1.2, 0.3, 2.6, 1.2, 0.3},
	{8.5, 8.9, 7.1, 6.2, 5.1, 4.8, 4.7, 5.6, 5.2, 3.8, 1.7, 1.6, 2.0, 2.6, 1.1, 0.2, 2.6, 1.2, 0.2},
	{9.4, 9.7, 7.5, 6.7, 5.5, 5.3, 5.1, 6.0, 5.3, 3.7, 1.7, 1.7, 2.0, 2.9, 1.2, 0.2, 2.8, 1.2, 0.2},
	{10.2, 10.5, 7.9, 7.1, 5.9, 5.8, 5.6, 6.4, 5.2, 3.7, 1.7, 1.8, 2.0, 3.2, 1.3, 0.2, 2.9, 1.3, 0.2},
	{11.0, 11.3, 8.4, 7.5, 6.3, 6.3, 6.1, 6.8, 5.3, 3.7, 1.7, 2.0, 2.1, 3.6, 1.4, 0.2, 3.2, 1.4, 0.2},
	{11.9, 12.2, 8.9, 8.0, 6.8, 6.9, 6.6, 7.4, 5.3, 3.8, 1.7, 2.1, 2.2, 4.0, 1.6, 0.2, 3.5, 1.6, 0.2},
	{12.8, 13.1, 9.5, 8.6, 7.4, 7.4, 7.2, 7.9, 5.5, 3.9, 1.8, 2.2, 2.3, 4.6, 1.9, 0.3, 4.0, 1.8, 0.2},
	{13.8, 14.1, 10.1, 9.2, 8.0, 8.0, 7.8, 8.5, 5.6, 4.0, 1.9, 2.4, 2.4, 5.3, 2.2, 0.3, 4.6, 2.1, 0.3},
	{14.9, 15.1, 10.8, 9.9, 8.7, 8.7, 8.5, 9.2, 5.7, 4.2, 2.0, 2.5, 2.6, 6.0, 2.6, 0.4, 5.1, 2.5, 0.3},
	{16.0, 16.3, 11.6, 10.6, 9.4, 9.4, 9.2, 9.9, 6.0, 4.4, 2.2, 2.7, 2.7, 6.8, 3.1, 0.4, 5.1, 2.5, 0.3},
	{17.2, 17.5, 12.4, 11.4, 10.2, 10.2, 10.0, 10.6, 6.2, 4.6, 2.4, 3.0, 3.0, 7.8, 3.7, 0.5, 6.6, 3.7, 0.5},
	{18.5, 18.8, 13.3, 12.3, 11.1, 11.0, 10.9, 11.4, 6.6, 4.9, 2.7, 3.2, 3.1, 8.8, 4.4, 0.7, 7.4, 4.4, 0.6},
	{19.9, 20.1, 14.3, 13.3, 12.0, 11.9, 11.8, 12.3, 7.0, 5.3, 3.0, 3.4, 3.4, 9.9, 5.2, 0.8, 8.4, 5.3, 0.8},
	{21.3, 21.7, 15.4, 14.3, 13.1, 12.9, 12.8, 13.3, 7.4, 5.7, 3.3, 3.7, 3.6, 11.2, 6.2, 1.0, 9.4, 6.5, 0.9},
	{22.9, 23.2, 16.6, 15.4, 14.2, 14.0, 13.8, 14.4, 8.0, 6.1, 3.6, 3.9, 3.9, 12.4, 7.3, 1.3, 10.5, 7.7, 1.2},
	{24.7, 24.9, 17.9, 16.7, 15.4, 15.2, 15.0, 15.6, 8.5, 6.6, 4.0, 4.3, 4.2, 13.9, 8.5, 1.7, 11.8, 9.4, 1.6},
	{27.5, 27.8, 20.4, 19.1, 17.8, 17.5, 17.5, 17.5, 9.8, 7.4, 5.0, 5.1, 5.1, 18.1, 12.1, 2.8, 14.7, 12.6, 2.1},
}

[巡目][类型]

View Source 
var YakuHanMap = _yakuHanMap{
	YakuRiichi:  1,
	YakuChiitoi: 2,

	YakuTsumo:   1,
	YakuIppatsu: 1,
	YakuHaitei:  1,
	YakuHoutei:  1,
	YakuRinshan: 1,
	YakuChankan: 1,
	YakuDaburii: 2,

	YakuPinfu:          1,
	YakuRyanpeikou:     3,
	YakuIipeikou:       1,
	YakuSanshokuDoujun: 2,
	YakuIttsuu:         2,

	YakuToitoi:         2,
	YakuSanAnkou:       2,
	YakuSanshokuDoukou: 2,
	YakuSanKantsu:      2,

	YakuTanyao:     1,
	YakuYakuhai:    1,
	YakuChanta:     2,
	YakuJunchan:    3,
	YakuHonroutou:  2,
	YakuShousangen: 2,

	YakuHonitsu:  3,
	YakuChinitsu: 6,
}
View Source 
var YakuNameMap = map[int]string{

	YakuRiichi:  "立直",
	YakuChiitoi: "七对",

	YakuTsumo:   "自摸",
	YakuIppatsu: "一发",
	YakuHaitei:  "海底",
	YakuHoutei:  "河底",
	YakuRinshan: "岭上",
	YakuChankan: "抢杠",
	YakuDaburii: "w立",

	YakuPinfu:          "平和",
	YakuRyanpeikou:     "两杯口",
	YakuIipeikou:       "一杯口",
	YakuSanshokuDoujun: "三色",
	YakuIttsuu:         "一通",

	YakuToitoi:         "对对",
	YakuSanAnkou:       "三暗刻",
	YakuSanshokuDoukou: "三色同刻",
	YakuSanKantsu:      "三杠子",

	YakuTanyao:     "断幺",
	YakuYakuhai:    "役牌",
	YakuChanta:     "混全",
	YakuJunchan:    "纯全",
	YakuHonroutou:  "混老头",
	YakuShousangen: "小三元",

	YakuHonitsu:  "混一色",
	YakuChinitsu: "清一色",
}
View Source 
var YakumanTimesMap = map[int]int{}
View Source 
var YaochuTiles = [...]int{0, 8, 9, 17, 18, 26, 27, 28, 29, 30, 31, 32, 33}

Functions

func CalcPointRon added in v0.2.2 

func CalcPointRon(han int, fu int, yakumanTimes int, isParent bool) (point int)

番数 符数 役满倍数 是否为亲家 返回荣和点数

func CalcPointTsumo added in v0.2.2 

func CalcPointTsumo(han int, fu int, yakumanTimes int, isParent bool) (childPoint int, parentPoint int)

番数 符数 役满倍数 是否为亲家 返回自摸时的子家支付点数和亲家支付点数

func CalcPointTsumoSum added in v0.2.2 

func CalcPointTsumoSum(han int, fu int, yakumanTimes int, isParent bool) int

番数 符数 役满倍数 是否为亲家 返回自摸时的点数

func CalcRonPointWithHands added in v0.2.2 

func CalcRonPointWithHands(playerInfo *model.PlayerInfo) (ronPoint int)

计算荣和点数 调用前请设置 WinTile 无役时返回 0

func CalcTenpaiRate added in v0.2.1 

func CalcTenpaiRate(meldCount int, discardTiles []int, meldDiscardsAt []int) float64

根据玩家的副露、手切来判断其听牌率

func CalcYakuHan added in v0.2.2 

func CalcYakuHan(yakuTypes []int, isNaki bool) (cntHan int)

计算 yakuTypes 累积的番数

func CalcYakumanTimes added in v0.2.2 

func CalcYakumanTimes() int

func CalculateAgariRate added in v0.1.2 

func CalculateAgariRate(waits Waits, selfDiscards []int) float64

TODO: selfDiscards: 自家舍牌，用于分析骗筋时的和率

func CalculateLeftNoSujiTiles added in v0.2.0 

func CalculateLeftNoSujiTiles(safeTiles34 []bool, leftTiles34 []int) (leftNoSujiTiles []int)

计算剩余的无筋 123789 牌 总计 18 种。剩余无筋牌数量越少，该无筋牌越危险

func CalculateMeld added in v0.1.5 

func CalculateMeld(playerInfo *model.PlayerInfo, calledTile int, allowChi bool) (shanten int, waitsWithImproves WaitsWithImproves14List, incShantenResults WaitsWithImproves14List)

func CalculateShanten 

func CalculateShanten(tiles34 []int) int

根据手牌计算向听数

func CalculateShantenWithImproves14 

func CalculateShantenWithImproves14(playerInfo *model.PlayerInfo) (shanten int, waitsWithImproves WaitsWithImproves14List, incShantenResults WaitsWithImproves14List)

2/5/8/11/14 张牌，计算向听数、进张、改良、向听倒退等

func CountOfTiles34 added in v0.1.7 

func CountOfTiles34(tiles34 []int) (count int)

func CountPairs 

func CountPairs(tiles34 []int) (pairs int)

func Equal added in v0.2.1 

func Equal(a, b float64) bool

func FindAllYakuTypes added in v0.2.2 

func FindAllYakuTypes(playerInfo *model.PlayerInfo) (yakuTypes []int)

寻找所有可能的役种 调用前请设置 WinTile

func InInts added in v0.1.7 

func InInts(e int, arr []int) bool

func InitLeftTiles34 added in v0.1.7 

func InitLeftTiles34() []int

func InitLeftTiles34WithTiles34 added in v0.1.7 

func InitLeftTiles34WithTiles34(tiles34 []int) []int

func MaxInt added in v0.2.2 

func MaxInt(a, b int) int

func MinInt added in v0.1.7 

func MinInt(a, b int) int

func MustStrToTile34 added in v0.1.5 

func MustStrToTile34(humanTile string) int

func MustStrToTiles added in v0.2.2 

func MustStrToTiles(humanTiles string) []int

func MustStrToTiles34 

func MustStrToTiles34(humanTiles string) []int

func NumberToChineseShanten 

func NumberToChineseShanten(num int) string

-1=和了，0=和牌，1=一向听，……

func OutsideTiles added in v0.2.1 

func OutsideTiles(tile int) (outsideTiles []int)

func RonPointOtherNakiWithDora added in v0.2.1 

func RonPointOtherNakiWithDora(doraCount int) (point float64)

简单地判断子家副露者的打点 dora point han 0 3000 1-3 1 4200 2-4 2 5880 3-5 3 8232 4-6 4 10000 5-7 5 13000 6-8 亲家按 x1.5 算 TODO: 暗杠对打点的提升？

func StrToTile34 

func StrToTile34(humanTile string) (tile34 int, err error)

e.g. "3m" => 2

func StrToTiles added in v0.2.2 

func StrToTiles(humanTiles string) (tiles []int, err error)

e.g. "11122z" => [27, 27, 27, 28, 28]

func StrToTiles34 

func StrToTiles34(humanTiles string) (tiles34 []int, err error)

e.g. "224m 24p" => [0, 2, 0, 1, 0, ..., 1, 0, 1, ...]

func Tile34ToStr added in v0.1.7 

func Tile34ToStr(tile34 int) string

func Tiles34ToStr added in v0.1.7 

func Tiles34ToStr(tiles34 []int) (humanTiles string)

func Tiles34ToStrWithBracket added in v0.1.7 

func Tiles34ToStrWithBracket(tiles34 []int) string

func TilesToStr added in v0.1.7 

func TilesToStr(tiles []int) (humanTiles string)

e.g. [9, 11, 27] => "13p 1z"

func TilesToStrWithBracket added in v0.1.7 

func TilesToStrWithBracket(tiles []int) string

e.g. [9, 11, 27] => "[13p 1z]"

func YakuTypesToStr added in v0.2.2 

func YakuTypesToStr(yakuTypes []int) string

调试用

func YakuTypesWithDoraToStr added in v0.2.2 

func YakuTypesWithDoraToStr(yakuTypes []int, numDora int) string

调试用

Types

type DivideResult added in v0.2.0 

type DivideResult struct {
	PairTile          int   // 雀头牌
	KotsuTiles        []int // 刻子牌（注意 len(KotsuTiles) 为自摸时的暗刻数，荣和时的暗刻数需要另加逻辑判断）
	ShuntsuFirstTiles []int // 顺子牌的第一张（如 678s 的 6s）

	// 由于生成 winTable 的代码是不考虑具体是什么牌的，
	// 所以只能判断如七对子、九莲宝灯、一气通贯、两杯口、一杯口等和「形状」有关的役，
	// 像国士无双、断幺、全带、三色、绿一色等，和具体的牌/位置有关的役是判断不出的，需要另加逻辑判断
	IsChiitoi       bool // 七对子
	IsChuurenPoutou bool // 九莲宝灯
	IsIttsuu        bool // 一气通贯（注意：未考虑副露！）
	IsRyanpeikou    bool // 两杯口（IsRyanpeikou == true 时 IsIipeikou == false）
	IsIipeikou      bool // 一杯口
}

3k+2 张牌的某种拆解结果

func DivideTiles34 added in v0.2.0 

func DivideTiles34(tiles34 []int) (divideResults []*DivideResult)

3k+2 张牌，返回所有可能的拆解，没有拆解表示未和牌 http://hp.vector.co.jp/authors/VA046927/mjscore/mjalgorism.html http://hp.vector.co.jp/authors/VA046927/mjscore/AgariIndex.java

func (*DivideResult) String added in v0.2.0 

func (d *DivideResult) String() string

调试用

type Improves 

type Improves map[int]Waits

map[改良牌]进张（选择进张数最大的）

type RiskTiles34 added in v0.1.6 

type RiskTiles34 []float64

func CalculateRiskTiles34 added in v0.1.6 

func CalculateRiskTiles34(turns int, safeTiles34 []bool, leftTiles34 []int, doraTiles []int, roundWindTile int, playerWindTile int) (risk34 RiskTiles34)

根据巡目（对于对手而言）、现物、立直后通过的牌、NC、Dora，来计算基础铳率 至于早外、OC 和读牌交给后续的计算 turns: 巡目，这里是对于对手而言的，也就是该玩家舍牌的次数 safeTiles34: 现物及立直后通过的牌 leftTiles34: 各个牌在山中剩余的枚数 roundWindTile: 场风 playerWindTile: 自风

func (RiskTiles34) FixWithEarlyOutside added in v0.2.1 

func (l RiskTiles34) FixWithEarlyOutside(discardTiles []int) RiskTiles34

对 5 巡前的外侧牌的危险度进行调整 粗略调整为 *0.5

func (RiskTiles34) FixWithGlobalMulti added in v0.2.1 

func (l RiskTiles34) FixWithGlobalMulti(multi float64) RiskTiles34

func (RiskTiles34) FixWithPoint added in v0.2.1 

func (l RiskTiles34) FixWithPoint(ronPoint float64) RiskTiles34

根据副露情况对危险度进行修正

type Waits 

type Waits map[int]int

map[进张牌]剩余数

func CalculateShantenAndWaits13 

func CalculateShantenAndWaits13(tiles34 []int, leftTiles34 []int) (shanten int, waits Waits)

1/4/7/10/13 张牌，计算向听数、进张（考虑了剩余枚数）

func (Waits) AllCount added in v0.1.2 

func (w Waits) AllCount() (count int)

func (Waits) ParseIndex 

func (w Waits) ParseIndex() (allCount int, indexes []int)

func (Waits) String 

func (w Waits) String() string

type WaitsWithImproves13 

type WaitsWithImproves13 struct {
	// 场风
	RoundWindTile34 int

	// 自风
	SelfWindTile34 int

	// 原手牌
	Tiles34 []int

	// 剩余牌
	LeftTiles34 []int

	// 向听数
	Shanten int

	// 进张：摸到这张牌能让向听数前进
	// 考虑了剩余枚数
	// 若某个进张 4 枚都可见，则该进张的 value 值为 0
	Waits Waits

	// map[进张牌]向听前进后的进张数（这里让向听前进的切牌选择的是使「向听前进后的进张数最大」的切牌）
	NextShantenWaitsCountMap map[int]int

	// 向听前进后的进张数的加权均值
	AvgNextShantenWaitsCount float64

	// 综合了进张与向听前进后进张的评分
	MixedWaitsScore float64

	// 改良：摸到这张牌虽不能让向听数前进，但可以让进张变多
	// len(Improves) 即为改良的牌的种数
	Improves Improves

	// 改良情况数，这里计算的是有多少种使进张增加的切牌方式
	ImproveWayCount int

	// 在没有摸到进张时的改良后进张数的加权均值（计算时，对于既不是进张也不是改良的牌，其进张数为 Waits.AllCount()）
	// 这里只考虑一巡的改良均值
	// TODO: 在考虑改良的情况下，如何计算向听前进所需要的摸牌次数的期望值？
	AvgImproveWaitsCount float64

	// 向听前进后，若听牌，其最大和率的加权均值
	// 若已听牌，则该值为当前手牌和率
	AvgAgariRate float64

	// 振听可能率（一向听和听牌时）
	FuritenRate float64

	// 役种
	YakuTypes []int

	// 宝牌个数（手牌+副露）
	DoraCount int

	// 荣和打点期望
	RonPoint float64

	// 自摸打点期望
	TsumoPoint float64
}

1/4/7/10/13 张手牌的分析结果

func CalculateShantenWithImproves13 

func CalculateShantenWithImproves13(playerInfo *model.PlayerInfo) (r *WaitsWithImproves13)

1/4/7/10/13 张牌，计算向听数、进张、改良等（考虑了剩余枚数）

func (*WaitsWithImproves13) String 

func (r *WaitsWithImproves13) String() string

调试用

type WaitsWithImproves14 

type WaitsWithImproves14 struct {
	// 切牌后的手牌分析结果
	Result13 *WaitsWithImproves13
	// 需要切的牌
	DiscardTile int
	// 切掉这张牌后的向听数
	Shanten int
	// 副露信息（没有副露就是 nil）
	// 比如用 23m 吃了牌，OpenTiles 就是 [1,2]
	OpenTiles []int
}

func (*WaitsWithImproves14) String 

func (r *WaitsWithImproves14) String() string

type WaitsWithImproves14List 

type WaitsWithImproves14List []*WaitsWithImproves14

func (WaitsWithImproves14List) Sort 

func (l WaitsWithImproves14List) Sort(needImprove bool)

排序，若 needImprove 为 true，则优先按照 AvgImproveWaitsCount 排序

type WallSafeTile added in v0.1.3 

type WallSafeTile struct {
	Tile34   int
	SafeType int
}

type WallSafeTileList added in v0.1.3 

type WallSafeTileList []WallSafeTile

func CalcDNCSafeTiles added in v0.1.6 

func CalcDNCSafeTiles(leftTiles34 []int) (dncSafeTiles WallSafeTileList)

根据剩余牌 leftTiles34 中的某些牌是否为 0，来判断哪些牌非常安全（Double No Chance：只输单骑、双碰）

func CalcNCSafeTiles added in v0.1.6 

func CalcNCSafeTiles(leftTiles34 []int) (ncSafeTiles WallSafeTileList)

根据剩余牌 leftTiles34 中的某些牌是否为 0，来判断哪些牌较为安全（No Chance：只输单骑、双碰、边张、坎张）

func CalcOCSafeTiles added in v0.1.6 

func CalcOCSafeTiles(leftTiles34 []int) (ocSafeTiles WallSafeTileList)

根据剩余牌 leftTiles34 中的某些牌是否为 1，来判断哪些牌较为安全（One Chance：早巡大概率只输单骑、双碰、边张、坎张）

func CalcWallTiles added in v0.1.6 

func CalcWallTiles(leftTiles34 []int) (safeTiles WallSafeTileList)

func (WallSafeTileList) FilterWithHands added in v0.1.3 

func (l WallSafeTileList) FilterWithHands(handsTiles34 []int) WallSafeTileList

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