feature(mahjong): 搶槓/ドラ以外の麻雀の役を実装 (#14346)

* ビルドによる自動的なソース更新

* 麻雀関連のキーバリューペアを追加

* 役の定義をまとめてエクスポート

* タイポ修正

* Revert "麻雀関連のキーバリューペアを追加"

This reverts commit c349cdf70c.

* misskey-jsのビルドによる自動更新

* 型エラーに対処

* riichiがtrueの場合に門前であるかを確認

* EnvForCalcYakuのhouseプロパティを廃止

* 風牌の役の共通部分をクラスで定義

* タイポ修正

* 役牌をクラスで共通化

* 一盃口と二盃口のテストを通す

* 一盃口・二盃口判定関数の調整

* 一気通貫の判定にチーによる順子も考慮する

* 混全帯幺九の実装

* 純全帯幺九の実装

* 七対子の実装とテストの修正

* tsumoTileまたはronTileを必須に

* 待ちを確認して平和の判定を可能に

* 三暗刻と四暗刻、四暗刻単騎の実装

* 四暗刻であるために通常の役を判定できない牌姿のテストを修正

* 混老頭と清老頭を実装

* 三槓子と四槓子を実装

* 平和の実装とテストを修正

* 小三元のテストを修正

* 国士無双に対子の確認を追加

* 国士無双十三面待ちを実装し、テストを修正

* 一部の役の七対子形を認め、テストを追加

* 手牌の数を確認

* 役の定義をカプセル化して型エラーの対処

* ツモ・ロンの判定を修正

* calcYakusの引数のhandTilesを修正

* calcYakusに渡す風をseatWindに修正

* 嶺上開花の実装

* 海底摸月の実装

* FourMentsuOneJyantouWithWait型の作成

* 河底撈魚の実装

* ダブル立直の実装

* 天和・地和の実装

* エンジンのテストを作成

* エンジンによる地和のテストを追加

* 嶺上開花のテスト

* ライセンスの記述を追加

* ダブル立直一発ツモのテスト

* ダブル立直海底ツモのテスト

* ダブル立直河底のテスト

* 役満も処理できるように

* 点数のテスト

* 打牌時にrinshanFlags[house]をfalseに

* 七対子形の字一色を認める

* typo

packages/misskey-mahjong/src/common.fu.ts

@@ -0,0 +1,63 @@
+/*
+ * SPDX-FileCopyrightText: syuilo and misskey-project
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+import { FourMentsuOneJyantou, mentsuEquals, TILE_NUMBER_MAP, TileType } from "./common.js";
+
+export type Shape = 'fourMentsuOneJyantou' | 'chitoitsu' | 'kokushi';
+
+/**
+ * 4面子1雀頭と待ちに関わる部分
+ */
+export type FourMentsuOneJyantouWithWait = FourMentsuOneJyantou & {
+	agariTile: TileType;
+} & ({
+	waitedFor: 'head';
+} | {
+	waitedFor: 'mentsu';
+	waitedTaatsu: [TileType, TileType];
+});
+
+export function calcWaitPatterns(fourMentsuOneJyantou: FourMentsuOneJyantou | null, agariTile: TileType): FourMentsuOneJyantouWithWait[] | [null] {
+	if (fourMentsuOneJyantou == null) return [null];
+
+	const result: FourMentsuOneJyantouWithWait[] = [];
+
+	if (fourMentsuOneJyantou.head == agariTile) {
+		result.push({
+			head: fourMentsuOneJyantou.head,
+			mentsus: fourMentsuOneJyantou.mentsus,
+			waitedFor: 'head',
+			agariTile,
+		});
+	}
+
+	const checkedMentsus: [TileType, TileType, TileType][] = [];
+	for (const mentsu of fourMentsuOneJyantou.mentsus) {
+		if (checkedMentsus.some(checkedMentsu => mentsuEquals(mentsu, checkedMentsu))) continue;
+		const agariTileIndex = mentsu.indexOf(agariTile);
+		if (agariTileIndex < 0) continue;
+		result.push({
+			head: fourMentsuOneJyantou.head,
+			mentsus: fourMentsuOneJyantou.mentsus,
+			waitedFor: 'mentsu',
+			agariTile,
+			waitedTaatsu: mentsu.toSpliced(agariTileIndex, 1) as [TileType, TileType],
+		})
+		checkedMentsus.push(mentsu);
+	}
+
+	return result;
+}
+
+export function isRyanmen(taatsu: [TileType, TileType]): boolean {
+	const number1 = TILE_NUMBER_MAP[taatsu[0]];
+	const number2 = TILE_NUMBER_MAP[taatsu[1]];
+	if (number1 == null || number2 == null) return false;
+	return number1 != 1 && number2 != 9 && number1 + 1 == number2;
+}
+
+export function isToitsu(taatsu: [TileType, TileType]): boolean {
+	return taatsu[0] == taatsu[1];
+}

packages/misskey-mahjong/src/common.ts

@@ -109,21 +109,29 @@ export type House = 'e' | 's' | 'w' | 'n';
  */
 export type Huro = {
 	type: 'pon';
-	tiles: [TileId, TileId, TileId];
+	tiles: readonly [TileId, TileId, TileId];
 	from: House;
 } | {
 	type: 'cii';
-	tiles: [TileId, TileId, TileId];
+	tiles: readonly [TileId, TileId, TileId];
 	from: House;
 } | {
 	type: 'ankan';
-	tiles: [TileId, TileId, TileId, TileId];
+	tiles: readonly [TileId, TileId, TileId, TileId];
 } | {
 	type: 'minkan';
-	tiles: [TileId, TileId, TileId, TileId];
+	tiles: readonly [TileId, TileId, TileId, TileId];
 	from: House | null; // null で加槓
 };
 
+export type PointFactor = {
+	isYakuman: false;
+	fan: number;
+} | {
+	isYakuman: true;
+	value: number;
+}
+
 export const CALL_HURO_TYPES = ['pon', 'cii', 'minkan'] as const;
 
 export const NEXT_TILE_FOR_DORA_MAP: Record<TileType, TileType> = {
@@ -279,18 +287,23 @@ export const PINZU_TILES = ['p1', 'p2', 'p3', 'p4', 'p5', 'p6', 'p7', 'p8', 'p9'
 export const SOUZU_TILES = ['s1', 's2', 's3', 's4', 's5', 's6', 's7', 's8', 's9'] as const satisfies TileType[];
 export const CHAR_TILES = ['e', 's', 'w', 'n', 'haku', 'hatsu', 'chun'] as const satisfies TileType[];
 export const YAOCHU_TILES = ['m1', 'm9', 'p1', 'p9', 's1', 's9', 'e', 's', 'w', 'n', 'haku', 'hatsu', 'chun'] as const satisfies TileType[];
+export const TERMINAL_TILES = ['m1', 'm9', 'p1', 'p9', 's1', 's9'] as const satisfies TileType[];
 const KOKUSHI_TILES: TileType[] = ['m1', 'm9', 'p1', 'p9', 's1', 's9', 'e', 's', 'w', 'n', 'haku', 'hatsu', 'chun'];
 
-export function isManzu<T extends TileType>(tile: T): tile is typeof MANZU_TILES[number] {
+export function includes<A extends ReadonlyArray<unknown>>(array: A, searchElement: unknown): searchElement is A[number] {
-	return MANZU_TILES.includes(tile);
+	return array.includes(searchElement);
 }
 
-export function isPinzu<T extends TileType>(tile: T): tile is typeof PINZU_TILES[number] {
+export function isManzu(tile: TileType): tile is typeof MANZU_TILES[number] {
-	return PINZU_TILES.includes(tile);
+	return includes(MANZU_TILES, tile);
 }
 
-export function isSouzu<T extends TileType>(tile: T): tile is typeof SOUZU_TILES[number] {
+export function isPinzu(tile: TileType): tile is typeof PINZU_TILES[number] {
-	return SOUZU_TILES.includes(tile);
+	return includes(PINZU_TILES, tile);
+}
+
+export function isSouzu(tile: TileType): tile is typeof SOUZU_TILES[number] {
+	return includes(SOUZU_TILES, tile);
 }
 
 export function isSameNumberTile(a: TileType, b: TileType): boolean {
@@ -328,16 +341,24 @@ export function fanToPoint(fan: number, isParent: boolean): number {
 	return point;
 }
 
+export function calcPoint(factor: PointFactor, isParent: boolean): number {
+	if (factor.isYakuman) {
+		return 32000 * factor.value * (isParent ? 1.5 : 1);
+	} else {
+		return fanToPoint(factor.fan, isParent);
+	}
+}
+
 export function calcOwnedDoraCount(handTiles: TileType[], huros: Huro[], doras: TileType[]): number {
 	let count = 0;
 	for (const t of handTiles) {
 		if (doras.includes(t)) count++;
 	}
 	for (const huro of huros) {
-		if (huro.type === 'pon' && doras.includes(huro.tile)) count += 3;
+		if (huro.type === 'pon' && includes(doras, huro.tiles[0])) count += 3;
-		if (huro.type === 'cii') count += huro.tiles.filter(t => doras.includes(t)).length;
+		if (huro.type === 'cii') count += huro.tiles.filter(t => includes(doras, t)).length;
-		if (huro.type === 'minkan' && doras.includes(huro.tile)) count += 4;
+		if (huro.type === 'minkan' && includes(doras, huro.tiles[0])) count += 4;
-		if (huro.type === 'ankan' && doras.includes(huro.tile)) count += 4;
+		if (huro.type === 'ankan' && includes(doras, huro.tiles[0])) count += 4;
 	}
 	return count;
 }
@@ -355,7 +376,7 @@ export function calcRedDoraCount(handTiles: TileId[], huros: Huro[]): number {
 	return count;
 }
 
-export function calcTsumoHoraPointDeltas(house: House, fans: number): Record<House, number> {
+export function calcTsumoHoraPointDeltas(house: House, fansOrFactor: number | PointFactor): Record<House, number> {
 	const isParent = house === 'e';
 
 	const deltas: Record<House, number> = {
@@ -365,7 +386,7 @@ export function calcTsumoHoraPointDeltas(house: House, fans: number): Record<Hou
 		n: 0,
 	};
 
-	const point = fanToPoint(fans, isParent);
+	const point = typeof fansOrFactor == 'number' ? fanToPoint(fansOrFactor, isParent) : calcPoint(fansOrFactor, isParent);
 	deltas[house] = point;
 	if (isParent) {
 		const childPoint = Math.ceil(point / 3);
@@ -442,6 +463,10 @@ export function isKotsu(tiles: [TileType, TileType, TileType]): boolean {
 	return tiles[0] === tiles[1];
 }
 
+export function mentsuEquals(tiles1: [TileType, TileType, TileType], tiles2: [TileType, TileType, TileType]): boolean {
+	return tiles1[0] == tiles2[0] && tiles1[1] == tiles2[1] && tiles1[2] == tiles2[2];
+}
+
 export const SHUNTU_PATTERNS: [TileType, TileType, TileType][] = [
 	['m1', 'm2', 'm3'],
 	['m2', 'm3', 'm4'],

packages/misskey-mahjong/src/common.yaku.ts

@@ -3,7 +3,8 @@
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
-import { CALL_HURO_TYPES, CHAR_TILES, FourMentsuOneJyantou, House, MANZU_TILES, PINZU_TILES, SOUZU_TILES, TileType, YAOCHU_TILES, TILE_TYPES, analyzeFourMentsuOneJyantou, isShuntu, isManzu, isPinzu, isSameNumberTile, isSouzu, isKotsu } from './common.js';
+import { CALL_HURO_TYPES, CHAR_TILES, FourMentsuOneJyantou, House, MANZU_TILES, PINZU_TILES, SOUZU_TILES, TileType, YAOCHU_TILES, TILE_TYPES, analyzeFourMentsuOneJyantou, isShuntu, isManzu, isPinzu, isSameNumberTile, isSouzu, isKotsu, includes, TERMINAL_TILES, mentsuEquals, Huro, TILE_ID_MAP } from './common.js';
+import { calcWaitPatterns, isRyanmen, isToitsu, FourMentsuOneJyantouWithWait } from './common.fu.js';
 
 const RYUISO_TILES: TileType[] = ['s2', 's3', 's4', 's6', 's8', 'hatsu'];
 const KOKUSHI_TILES: TileType[] = ['m1', 'm9', 'p1', 'p9', 's1', 's9', 'e', 's', 'w', 'n', 'haku', 'hatsu', 'chun'];
@@ -67,11 +68,27 @@ export const YAKUMAN_NAMES = [
 	'chiho',
 ] as const;
 
-export type YakuName = typeof NORMAL_YAKU_NAMES[number] | typeof YAKUMAN_NAMES[number];
+type NormalYakuName = typeof NORMAL_YAKU_NAMES[number]
+
+type YakumanName = typeof YAKUMAN_NAMES[number];
+
+export type YakuName = NormalYakuName | YakumanName;
+
+export type HuroForCalcYaku = {
+	type: 'pon';
+	tile: TileType;
+} | {
+	type: 'cii';
+	tiles: [TileType, TileType, TileType];
+} | {
+	type: 'ankan';
+	tile: TileType;
+} | {
+	type: 'minkan';
+	tile: TileType;
+};
 
 export type EnvForCalcYaku = {
-	house: House;
-
 	/**
 	 * 和了る人の手牌(副露牌は含まず、ツモ、ロン牌は含む)
 	 */
@@ -80,72 +97,221 @@ export type EnvForCalcYaku = {
 	/**
 	 * 河
 	 */
-	hoTiles: TileType[];
+	hoTiles?: TileType[];
 
 	/**
 	 * 副露
 	 */
-	huros: ({
+	huros: HuroForCalcYaku[];
-		type: 'pon';
-		tile: TileType;
-	} | {
-		type: 'cii';
-		tiles: [TileType, TileType, TileType];
-	} | {
-		type: 'ankan';
-		tile: TileType;
-	} | {
-		type: 'minkan';
-		tile: TileType;
-	})[];
-
-	tsumoTile: TileType;
-	ronTile: TileType;
 
 	/**
 	 * 場風
 	 */
-	fieldWind: House;
+	fieldWind?: House;
 
 	/**
 	 * 自風
 	 */
-	seatWind: House;
+	seatWind?: House;
+
+	/**
+	 * 局が始まってから誰の副露もない一巡目かどうか
+	 */
+	firstTurn?: boolean;
 
 	/**
 	 * リーチしたかどうか
 	 */
-	riichi: boolean;
+	riichi?: boolean;
 
 	/**
-	 * 一巡目以内かどうか
+	 * 誰の副露もない一巡目でリーチしたかどうか
 	 */
-	ippatsu: boolean;
+	doubleRiichi?: boolean;
+
+	/**
+	 * リーチしてから誰の副露もない一巡目以内かどうか
+	 */
+	ippatsu?: boolean;
+} & ({
+	tsumoTile: TileType;
+	ronTile?: null;
+
+	/**
+	 * 嶺上牌のツモか
+	 */
+	rinshan?: boolean;
+
+	/**
+	 * 海底牌か
+	 */
+	haitei?: boolean;
+} | {
+	tsumoTile?: null;
+	ronTile: TileType;
+
+	/**
+	 * 河底牌か
+	 */
+	hotei?: boolean;
+});
+
+interface YakuDataBase {
+	name: YakuName;
+	upper?: YakuName | null;
+	fan?: number | null;
+	isYakuman?: boolean;
+}
+
+interface NormalYakuData extends YakuDataBase {
+	name: NormalYakuName;
+	fan: number;
+	isYakuman?: false;
+	kuisagari?: boolean;
+}
+
+interface YakumanData extends YakuDataBase {
+	name: YakumanName;
+	isYakuman: true;
+	isDoubleYakuman?: boolean;
+}
+
+export type YakuData = Required<NormalYakuData> | Required<YakumanData>;
+
+abstract class YakuSetBase<IsYakuman extends boolean> {
+	public readonly isYakuman: IsYakuman;
+
+	public readonly yakus: YakuData[];
+
+	public get yakuNames(): YakuName[] {
+		return this.yakus.map(yaku => yaku.name);
+	}
+
+	constructor(isYakuman: IsYakuman, yakus: YakuData[]) {
+		this.isYakuman = isYakuman;
+		this.yakus = yakus;
+	}
+}
+
+class NormalYakuSet extends YakuSetBase<false> {
+	public readonly isMenzen: boolean;
+
+	public readonly fan: number;
+
+	constructor(isMenzen: boolean, yakus: Required<NormalYakuData>[]) {
+		super(false, yakus);
+		this.isMenzen = isMenzen;
+		this.fan = yakus.reduce((fan, yaku) => fan + (!isMenzen && yaku.kuisagari ? yaku.fan - 1 : yaku.fan), 0);
+	}
+}
+
+class YakumanSet extends YakuSetBase<true> {
+	/**
+	 * 何倍役満か
+	 */
+	public readonly value: number;
+
+	constructor(yakus: Required<YakumanData>[]) {
+		super(true, yakus);
+		this.value = yakus.reduce((value, yaku) => value + (yaku.isDoubleYakuman ? 2 : 1), 0);
+	}
+}
+
+export type YakuSet = NormalYakuSet | YakumanSet;
+
+type YakuDefinitionBase = {
+	calc: (state: EnvForCalcYaku, fourMentsuOneJyantou: FourMentsuOneJyantouWithWait | null) => boolean;
 };
 
-type YakuDefiniyion = {
+type NormalYakuDefinition = YakuDefinitionBase & NormalYakuData;
-	name: YakuName;
+
-	upper?: YakuName;
+type YakumanDefinition = YakuDefinitionBase & YakumanData;
-	fan?: number;
-	isYakuman?: boolean;
-	isDoubleYakuman?: boolean;
-	kuisagari?: boolean;
-	calc: (state: EnvForCalcYaku, fourMentsuOneJyantou: FourMentsuOneJyantou | null) => boolean;
-};
 
 function countTiles(tiles: TileType[], target: TileType): number {
 	return tiles.filter(t => t === target).length;
 }
 
-export const NORMAL_YAKU_DEFINITIONS: YakuDefiniyion[] = [{
+class Yakuhai implements NormalYakuDefinition {
+	readonly name: NormalYakuName;
+
+	readonly fan = 1;
+
+	readonly isYakuman = false;
+
+	readonly tile: typeof CHAR_TILES[number];
+
+	constructor(name: NormalYakuName, house: typeof CHAR_TILES[number]) {
+		this.name = name;
+		this.tile = house;
+	}
+
+	calc(state: EnvForCalcYaku, fourMentsuOneJyantou: FourMentsuOneJyantou | null): boolean {
+		if (fourMentsuOneJyantou == null) return false;
+
+		return (
+			(countTiles(state.handTiles, this.tile) >= 3) ||
+			(state.huros.some(huro =>
+				huro.type === 'pon' ? huro.tile === this.tile :
+				huro.type === 'ankan' ? huro.tile === this.tile :
+				huro.type === 'minkan' ? huro.tile === this.tile :
+				false))
+		);
+	}
+}
+
+class FieldWind extends Yakuhai {
+	calc(state: EnvForCalcYaku, fourMentsuOneJyantou: FourMentsuOneJyantou | null): boolean {
+		return super.calc(state, fourMentsuOneJyantou) && state.fieldWind === this.tile;
+	}
+}
+
+class SeatWind extends Yakuhai {
+	calc(state: EnvForCalcYaku, fourMentsuOneJyantou: FourMentsuOneJyantou | null): boolean {
+		return super.calc(state, fourMentsuOneJyantou) && state.seatWind === this.tile;
+	}
+}
+
+/**
+ * 2つの同じ面子の組を数える (一盃口なら1、二盃口なら2)
+ */
+function countIndenticalMentsuPairs(mentsus: [TileType, TileType, TileType][]) {
+	let result = 0;
+	const singleMentsus: [TileType, TileType, TileType][] = [];
+	loop: for (const mentsu of mentsus) {
+		for (let i = 0 ; i < singleMentsus.length ; i++) {
+			if (mentsuEquals(mentsu, singleMentsus[i])) {
+				result++;
+				singleMentsus.splice(i, 1);
+				continue loop;
+			}
+		}
+		singleMentsus.push(mentsu);
+	}
+	return result;
+}
+
+/**
+ * 暗刻の数を数える (三暗刻なら3、四暗刻なら4)
+ */
+function countAnkos(state: EnvForCalcYaku, fourMentsuOneJyantou: FourMentsuOneJyantouWithWait) {
+	let ankans = state.huros.filter(huro => huro.type == 'ankan').length;
+	const handKotsus = fourMentsuOneJyantou.mentsus.filter(mentsu => isKotsu(mentsu)).length;
+
+	// ロンによりできた刻子は暗刻ではない
+	if (state.ronTile != null && fourMentsuOneJyantou.waitedFor == 'mentsu' && isToitsu(fourMentsuOneJyantou.waitedTaatsu)) {
+		return ankans + handKotsus - 1;
+	}
+
+	return ankans + handKotsus;
+}
+
+export const NORMAL_YAKU_DEFINITIONS: NormalYakuDefinition[] = [{
 	name: 'tsumo',
 	fan: 1,
 	isYakuman: false,
 	calc: (state: EnvForCalcYaku, fourMentsuOneJyantou: FourMentsuOneJyantou | null) => {
-		if (fourMentsuOneJyantou == null) return false;
+		// 門前じゃないとダメ
-
+		if (state.huros.some(huro => includes(CALL_HURO_TYPES, huro.type))) return false;
-		// 面前じゃないとダメ
-		if (state.huros.some(huro => CALL_HURO_TYPES.includes(huro.type))) return false;
 
 		return state.tsumoTile != null;
 	},
@@ -154,173 +320,67 @@ export const NORMAL_YAKU_DEFINITIONS: YakuDefiniyion[] = [{
 	fan: 1,
 	isYakuman: false,
 	calc: (state: EnvForCalcYaku, fourMentsuOneJyantou: FourMentsuOneJyantou | null) => {
-		return state.riichi;
+		return !state.doubleRiichi && (state.riichi ?? false);
 	},
+}, {
+	name: 'double-riichi',
+	fan: 2,
+	isYakuman: false,
+	calc: (state: EnvForCalcYaku) => {
+		return state.doubleRiichi ?? false;
+	}
 }, {
 	name: 'ippatsu',
 	fan: 1,
 	isYakuman: false,
 	calc: (state: EnvForCalcYaku, fourMentsuOneJyantou: FourMentsuOneJyantou | null) => {
-		return state.ippatsu;
+		return state.ippatsu ?? false;
 	},
 }, {
-	name: 'red',
+	name: 'rinshan',
 	fan: 1,
 	isYakuman: false,
 	calc: (state: EnvForCalcYaku, fourMentsuOneJyantou: FourMentsuOneJyantou | null) => {
-		if (fourMentsuOneJyantou == null) return false;
+		return (state.tsumoTile != null && state.rinshan) ?? false;
-
+	}
-		return (
-			(countTiles(state.handTiles, 'chun') >= 3) ||
-			(state.huros.filter(huro =>
-				huro.type === 'pon' ? huro.tile === 'chun' :
-				huro.type === 'ankan' ? huro.tile === 'chun' :
-				huro.type === 'minkan' ? huro.tile === 'chun' :
-				false).length >= 3)
-		);
-	},
 }, {
-	name: 'white',
+	name: 'haitei',
 	fan: 1,
 	isYakuman: false,
 	calc: (state: EnvForCalcYaku, fourMentsuOneJyantou: FourMentsuOneJyantou | null) => {
-		if (fourMentsuOneJyantou == null) return false;
+		return (state.tsumoTile != null && state.haitei) ?? false;
-
+	}
-		return (
-			(countTiles(state.handTiles, 'haku') >= 3) ||
-			(state.huros.filter(huro =>
-				huro.type === 'pon' ? huro.tile === 'haku' :
-				huro.type === 'ankan' ? huro.tile === 'haku' :
-				huro.type === 'minkan' ? huro.tile === 'haku' :
-				false).length >= 3)
-		);
-	},
 }, {
-	name: 'green',
+	name: 'hotei',
 	fan: 1,
 	isYakuman: false,
 	calc: (state: EnvForCalcYaku, fourMentsuOneJyantou: FourMentsuOneJyantou | null) => {
-		if (fourMentsuOneJyantou == null) return false;
+		return (state.ronTile != null && state.hotei) ?? false;
-
+	}
-		return (
+},
-			(countTiles(state.handTiles, 'hatsu') >= 3) ||
+new Yakuhai('red', 'chun'),
-			(state.huros.filter(huro =>
+new Yakuhai('white', 'haku'),
-				huro.type === 'pon' ? huro.tile === 'hatsu' :
+new Yakuhai('green', 'hatsu'),
-				huro.type === 'ankan' ? huro.tile === 'hatsu' :
+new FieldWind('field-wind-e', 'e'),
-				huro.type === 'minkan' ? huro.tile === 'hatsu' :
+new FieldWind('field-wind-s', 's'),
-				false).length >= 3)
+new FieldWind('field-wind-w', 'w'),
-		);
+new FieldWind('field-wind-n', 'n'),
-	},
+new SeatWind('seat-wind-e', 'e'),
-}, {
+new SeatWind('seat-wind-s', 's'),
-	name: 'field-wind-e',
+new SeatWind('seat-wind-w', 'w'),
-	fan: 1,
+new SeatWind('seat-wind-n', 'n'),
-	isYakuman: false,
+{
-	calc: (state: EnvForCalcYaku, fourMentsuOneJyantou: FourMentsuOneJyantou | null) => {
-		if (fourMentsuOneJyantou == null) return false;
-
-		return state.fieldWind === 'e' && (
-			(countTiles(state.handTiles, 'e') >= 3) ||
-			(state.huros.filter(huro =>
-				huro.type === 'pon' ? huro.tile === 'e' :
-				huro.type === 'ankan' ? huro.tile === 'e' :
-				huro.type === 'minkan' ? huro.tile === 'e' :
-				false).length >= 3)
-		);
-	},
-}, {
-	name: 'field-wind-s',
-	fan: 1,
-	isYakuman: false,
-	calc: (state: EnvForCalcYaku, fourMentsuOneJyantou: FourMentsuOneJyantou | null) => {
-		if (fourMentsuOneJyantou == null) return false;
-
-		return state.fieldWind === 's' && (
-			(countTiles(state.handTiles, 's') >= 3) ||
-			(state.huros.filter(huro =>
-				huro.type === 'pon' ? huro.tile === 's' :
-				huro.type === 'ankan' ? huro.tile === 's' :
-				huro.type === 'minkan' ? huro.tile === 's' :
-				false).length >= 3)
-		);
-	},
-}, {
-	name: 'seat-wind-e',
-	fan: 1,
-	isYakuman: false,
-	calc: (state: EnvForCalcYaku, fourMentsuOneJyantou: FourMentsuOneJyantou | null) => {
-		if (fourMentsuOneJyantou == null) return false;
-
-		return state.house === 'e' && (
-			(countTiles(state.handTiles, 'e') >= 3) ||
-			(state.huros.filter(huro =>
-				huro.type === 'pon' ? huro.tile === 'e' :
-				huro.type === 'ankan' ? huro.tile === 'e' :
-				huro.type === 'minkan' ? huro.tile === 'e' :
-				false).length >= 3)
-		);
-	},
-}, {
-	name: 'seat-wind-s',
-	fan: 1,
-	isYakuman: false,
-	calc: (state: EnvForCalcYaku, fourMentsuOneJyantou: FourMentsuOneJyantou | null) => {
-		if (fourMentsuOneJyantou == null) return false;
-
-		return state.house === 's' && (
-			(countTiles(state.handTiles, 's') >= 3) ||
-			(state.huros.filter(huro =>
-				huro.type === 'pon' ? huro.tile === 's' :
-				huro.type === 'ankan' ? huro.tile === 's' :
-				huro.type === 'minkan' ? huro.tile === 's' :
-				false).length >= 3)
-		);
-	},
-}, {
-	name: 'seat-wind-w',
-	fan: 1,
-	isYakuman: false,
-	calc: (state: EnvForCalcYaku, fourMentsuOneJyantou: FourMentsuOneJyantou | null) => {
-		if (fourMentsuOneJyantou == null) return false;
-
-		return state.house === 'w' && (
-			(countTiles(state.handTiles, 'w') >= 3) ||
-			(state.huros.filter(huro =>
-				huro.type === 'pon' ? huro.tile === 'w' :
-				huro.type === 'ankan' ? huro.tile === 'w' :
-				huro.type === 'minkan' ? huro.tile === 'w' :
-				false).length >= 3)
-		);
-	},
-}, {
-	name: 'seat-wind-n',
-	fan: 1,
-	isYakuman: false,
-	calc: (state: EnvForCalcYaku, fourMentsuOneJyantou: FourMentsuOneJyantou | null) => {
-		if (fourMentsuOneJyantou == null) return false;
-
-		return state.house === 'n' && (
-			(countTiles(state.handTiles, 'n') >= 3) ||
-			(state.huros.filter(huro =>
-				huro.type === 'pon' ? huro.tile === 'n' :
-				huro.type === 'ankan' ? huro.tile === 'n' :
-				huro.type === 'minkan' ? huro.tile === 'n' :
-				false).length >= 3)
-		);
-	},
-}, {
 	name: 'tanyao',
 	fan: 1,
 	isYakuman: false,
 	calc: (state: EnvForCalcYaku, fourMentsuOneJyantou: FourMentsuOneJyantou | null) => {
-		if (fourMentsuOneJyantou == null) return false;
-
 		return (
-			(!state.handTiles.some(t => YAOCHU_TILES.includes(t))) &&
+			(!state.handTiles.some(t => includes(YAOCHU_TILES, t))) &&
 			(state.huros.filter(huro =>
-				huro.type === 'pon' ? YAOCHU_TILES.includes(huro.tile) :
+				huro.type === 'pon' ? includes(YAOCHU_TILES, huro.tile) :
-				huro.type === 'ankan' ? YAOCHU_TILES.includes(huro.tile) :
+				huro.type === 'ankan' ? includes(YAOCHU_TILES, huro.tile) :
-				huro.type === 'minkan' ? YAOCHU_TILES.includes(huro.tile) :
+				huro.type === 'minkan' ? includes(YAOCHU_TILES, huro.tile) :
-				huro.type === 'cii' ? huro.tiles.some(t2 => YAOCHU_TILES.includes(t2)) :
+				huro.type === 'cii' ? huro.tiles.some(t2 => includes(YAOCHU_TILES, t2)) :
 				false).length === 0)
 		);
 	},
@@ -328,15 +388,16 @@ export const NORMAL_YAKU_DEFINITIONS: YakuDefiniyion[] = [{
 	name: 'pinfu',
 	fan: 1,
 	isYakuman: false,
-	calc: (state: EnvForCalcYaku, fourMentsuOneJyantou: FourMentsuOneJyantou | null) => {
+	calc: (state: EnvForCalcYaku, fourMentsuOneJyantou: FourMentsuOneJyantouWithWait | null) => {
 		if (fourMentsuOneJyantou == null) return false;
 
 		// 面前じゃないとダメ
-		if (state.huros.some(huro => CALL_HURO_TYPES.includes(huro.type))) return false;
+		if (state.huros.some(huro => includes(CALL_HURO_TYPES, huro.type))) return false;
 		// 三元牌はダメ
 		if (state.handTiles.some(t => ['haku', 'hatsu', 'chun'].includes(t))) return false;
 
-		// TODO: 両面待ちかどうか
+		// 両面待ちかどうか
+		if (!(fourMentsuOneJyantou != null && fourMentsuOneJyantou.waitedFor == 'mentsu' && isRyanmen(fourMentsuOneJyantou.waitedTaatsu))) return false;
 
 		// 風牌判定(役牌でなければOK)
 		if (fourMentsuOneJyantou.head === state.seatWind) return false;
@@ -353,20 +414,18 @@ export const NORMAL_YAKU_DEFINITIONS: YakuDefiniyion[] = [{
 	isYakuman: false,
 	kuisagari: true,
 	calc: (state: EnvForCalcYaku, fourMentsuOneJyantou: FourMentsuOneJyantou | null) => {
-		if (fourMentsuOneJyantou == null) return false;
-
 		const tiles = state.handTiles;
-		let manzuCount = tiles.filter(t => MANZU_TILES.includes(t)).length;
+		let manzuCount = tiles.filter(t => includes(MANZU_TILES, t)).length;
-		let pinzuCount = tiles.filter(t => PINZU_TILES.includes(t)).length;
+		let pinzuCount = tiles.filter(t => includes(PINZU_TILES, t)).length;
-		let souzuCount = tiles.filter(t => SOUZU_TILES.includes(t)).length;
+		let souzuCount = tiles.filter(t => includes(SOUZU_TILES, t)).length;
-		let charCount = tiles.filter(t => CHAR_TILES.includes(t)).length;
+		let charCount = tiles.filter(t => includes(CHAR_TILES, t)).length;
 
 		for (const huro of state.huros) {
 			const huroTiles = huro.type === 'cii' ? huro.tiles : huro.type === 'pon' ? [huro.tile, huro.tile, huro.tile] : [huro.tile, huro.tile, huro.tile, huro.tile];
-			manzuCount += huroTiles.filter(t => MANZU_TILES.includes(t)).length;
+			manzuCount += huroTiles.filter(t => includes(MANZU_TILES, t)).length;
-			pinzuCount += huroTiles.filter(t => PINZU_TILES.includes(t)).length;
+			pinzuCount += huroTiles.filter(t => includes(PINZU_TILES, t)).length;
-			souzuCount += huroTiles.filter(t => SOUZU_TILES.includes(t)).length;
+			souzuCount += huroTiles.filter(t => includes(SOUZU_TILES, t)).length;
-			charCount += huroTiles.filter(t => CHAR_TILES.includes(t)).length;
+			charCount += huroTiles.filter(t => includes(CHAR_TILES, t)).length;
 		}
 
 		if (manzuCount > 0 && pinzuCount > 0) return false;
@@ -382,20 +441,18 @@ export const NORMAL_YAKU_DEFINITIONS: YakuDefiniyion[] = [{
 	isYakuman: false,
 	kuisagari: true,
 	calc: (state: EnvForCalcYaku, fourMentsuOneJyantou: FourMentsuOneJyantou | null) => {
-		if (fourMentsuOneJyantou == null) return false;
-
 		const tiles = state.handTiles;
-		let manzuCount = tiles.filter(t => MANZU_TILES.includes(t)).length;
+		let manzuCount = tiles.filter(t => includes(MANZU_TILES, t)).length;
-		let pinzuCount = tiles.filter(t => PINZU_TILES.includes(t)).length;
+		let pinzuCount = tiles.filter(t => includes(PINZU_TILES, t)).length;
-		let souzuCount = tiles.filter(t => SOUZU_TILES.includes(t)).length;
+		let souzuCount = tiles.filter(t => includes(SOUZU_TILES, t)).length;
-		let charCount = tiles.filter(t => CHAR_TILES.includes(t)).length;
+		let charCount = tiles.filter(t => includes(CHAR_TILES, t)).length;
 
 		for (const huro of state.huros) {
 			const huroTiles = huro.type === 'cii' ? huro.tiles : huro.type === 'pon' ? [huro.tile, huro.tile, huro.tile] : [huro.tile, huro.tile, huro.tile, huro.tile];
-			manzuCount += huroTiles.filter(t => MANZU_TILES.includes(t)).length;
+			manzuCount += huroTiles.filter(t => includes(MANZU_TILES, t)).length;
-			pinzuCount += huroTiles.filter(t => PINZU_TILES.includes(t)).length;
+			pinzuCount += huroTiles.filter(t => includes(PINZU_TILES, t)).length;
-			souzuCount += huroTiles.filter(t => SOUZU_TILES.includes(t)).length;
+			souzuCount += huroTiles.filter(t => includes(SOUZU_TILES, t)).length;
-			charCount += huroTiles.filter(t => CHAR_TILES.includes(t)).length;
+			charCount += huroTiles.filter(t => includes(CHAR_TILES, t)).length;
 		}
 
 		if (charCount > 0) return false;
@@ -413,12 +470,23 @@ export const NORMAL_YAKU_DEFINITIONS: YakuDefiniyion[] = [{
 		if (fourMentsuOneJyantou == null) return false;
 
 		// 面前じゃないとダメ
-		if (state.huros.some(huro => CALL_HURO_TYPES.includes(huro.type))) return false;
+		if (state.huros.some(huro => includes(CALL_HURO_TYPES, huro.type))) return false;
 
 		// 同じ順子が2つあるか？
-		return fourMentsuOneJyantou.mentsus.some((mentsu) =>
+		return countIndenticalMentsuPairs(fourMentsuOneJyantou.mentsus) == 1;
-			fourMentsuOneJyantou.mentsus.filter((mentsu2) =>
+	},
-				mentsu2[0] === mentsu[0] && mentsu2[1] === mentsu[1] && mentsu2[2] === mentsu[2]).length >= 2);
+}, {
+	name: 'ryampeko',
+	fan: 3,
+	isYakuman: false,
+	calc: (state: EnvForCalcYaku, fourMentsuOneJyantou: FourMentsuOneJyantou | null) => {
+		if (fourMentsuOneJyantou == null) return false;
+
+		// 面前じゃないとダメ
+		if (state.huros.some(huro => includes(CALL_HURO_TYPES, huro.type))) return false;
+
+		// 2つの同じ順子が2組あるか？
+		return countIndenticalMentsuPairs(fourMentsuOneJyantou.mentsus) == 2;
 	},
 }, {
 	name: 'toitoi',
@@ -440,9 +508,25 @@ export const NORMAL_YAKU_DEFINITIONS: YakuDefiniyion[] = [{
 	name: 'sananko',
 	fan: 2,
 	isYakuman: false,
-	calc: (state: EnvForCalcYaku, fourMentsuOneJyantou: FourMentsuOneJyantou | null) => {
+	calc: (state: EnvForCalcYaku, fourMentsuOneJyantou: FourMentsuOneJyantouWithWait | null) => {
-
+		return fourMentsuOneJyantou != null && countAnkos(state, fourMentsuOneJyantou) == 3;
 	},
+}, {
+	name: 'honroto',
+	fan: 2,
+	isYakuman: false,
+	calc: (state: EnvForCalcYaku) => {
+		return state.huros.every(huro => huro.type != 'cii' && includes(YAOCHU_TILES, huro.tile)) &&
+			state.handTiles.every(tile => includes(YAOCHU_TILES, tile));
+	}
+}, {
+	name: 'sankantsu',
+	fan: 2,
+	isYakuman: false,
+	calc: (state: EnvForCalcYaku, fourMentsuOneJyantou: FourMentsuOneJyantou | null) => {
+		return fourMentsuOneJyantou != null &&
+			state.huros.filter(huro => huro.type == 'ankan' || huro.type == 'minkan').length == 3;
+	}
 }, {
 	name: 'sanshoku-dojun',
 	fan: 2,
@@ -520,6 +604,7 @@ export const NORMAL_YAKU_DEFINITIONS: YakuDefiniyion[] = [{
 		if (fourMentsuOneJyantou == null) return false;
 
 		const shuntsus = fourMentsuOneJyantou.mentsus.filter(tiles => isShuntu(tiles));
+		shuntsus.push(...state.huros.filter(huro => huro.type == 'cii').map(huro => huro.tiles));
 
 		if (shuntsus.some(tiles => tiles[0] === 'm1' && tiles[1] === 'm2' && tiles[2] === 'm3')) {
 			if (shuntsus.some(tiles => tiles[0] === 'm4' && tiles[1] === 'm5' && tiles[2] === 'm6')) {
@@ -545,11 +630,63 @@ export const NORMAL_YAKU_DEFINITIONS: YakuDefiniyion[] = [{
 
 		return false;
 	},
+}, {
+	name: 'chanta',
+	fan: 2,
+	isYakuman: false,
+	kuisagari: true,
+	calc: (state: EnvForCalcYaku, fourMentsuOneJyantou: FourMentsuOneJyantou | null) => {
+		if (fourMentsuOneJyantou == null) return false;
+
+		const { head, mentsus } = fourMentsuOneJyantou;
+		const { huros } = state;
+
+		// 雀頭は幺九牌じゃないとダメ
+		if (!includes(YAOCHU_TILES, head)) return false;
+
+		// 順子は1つ以上じゃないとダメ
+		if (!mentsus.some(mentsu => isShuntu(mentsu))) return false;
+
+		// いずれかの雀頭か面子に字牌を含まないとダメ
+		if (!(includes(CHAR_TILES, head) ||
+			mentsus.some(mentsu => includes(CHAR_TILES, mentsu[0])) ||
+			huros.some(huro => huro.type != 'cii' && includes(CHAR_TILES, huro.tile)))) return false;
+
+		// 全ての面子に幺九牌が含まれる
+		return (mentsus.every(mentsu => mentsu.some(tile => includes(YAOCHU_TILES, tile))) &&
+			huros.every(huro => huro.type == 'cii' ?
+				huro.tiles.some(tile => includes(YAOCHU_TILES, tile)) :
+				includes(YAOCHU_TILES, huro.tile)));
+	},
+}, {
+	name: 'junchan',
+	fan: 3,
+	isYakuman: false,
+	kuisagari: true,
+	calc: (state: EnvForCalcYaku, fourMentsuOneJyantou: FourMentsuOneJyantou | null) => {
+		if (fourMentsuOneJyantou == null) return false;
+
+		const { head, mentsus } = fourMentsuOneJyantou;
+		const { huros } = state;
+
+		// 雀頭は老頭牌じゃないとダメ
+		if (!includes(TERMINAL_TILES, head)) return false;
+
+		// 順子は1つ以上じゃないとダメ
+		if (!mentsus.some(mentsu => isShuntu(mentsu))) return false;
+
+		// 全ての面子に老頭牌が含まれる
+		return (mentsus.every(mentsu => mentsu.some(tile => includes(TERMINAL_TILES, tile))) &&
+			huros.every(huro => huro.type == 'cii' ?
+				huro.tiles.some(tile => includes(TERMINAL_TILES, tile)) :
+				includes(TERMINAL_TILES, huro.tile)));
+	},
 }, {
 	name: 'chitoitsu',
 	fan: 2,
 	isYakuman: false,
 	calc: (state: EnvForCalcYaku, fourMentsuOneJyantou: FourMentsuOneJyantou | null) => {
+		if (fourMentsuOneJyantou != null) return false;
 		if (state.huros.length > 0) return false;
 		const countMap = new Map<TileType, number>();
 		for (const tile of state.handTiles) {
@@ -587,7 +724,21 @@ export const NORMAL_YAKU_DEFINITIONS: YakuDefiniyion[] = [{
 	},
 }];
 
-export const YAKUMAN_DEFINITIONS: YakuDefiniyion[] = [{
+export const YAKUMAN_DEFINITIONS: YakumanDefinition[] = [{
+	name: 'suanko-tanki',
+	isYakuman: true,
+	isDoubleYakuman: true,
+	calc: (state: EnvForCalcYaku, fourMentsuOneJyantou: FourMentsuOneJyantouWithWait | null) => {
+		return fourMentsuOneJyantou != null && fourMentsuOneJyantou.waitedFor == 'head' && countAnkos(state, fourMentsuOneJyantou) == 4;
+	}
+}, {
+	name: 'suanko',
+	isYakuman: true,
+	upper: 'suanko-tanki',
+	calc: (state: EnvForCalcYaku, fourMentsuOneJyantou: FourMentsuOneJyantouWithWait | null) => {
+		return fourMentsuOneJyantou != null && countAnkos(state, fourMentsuOneJyantou) == 4;
+	}
+}, {
 	name: 'daisangen',
 	isYakuman: true,
 	calc: (state: EnvForCalcYaku, fourMentsuOneJyantou: FourMentsuOneJyantou | null) => {
@@ -656,19 +807,17 @@ export const YAKUMAN_DEFINITIONS: YakuDefiniyion[] = [{
 }, {
 	name: 'tsuiso',
 	isYakuman: true,
-	calc: (state: EnvForCalcYaku, fourMentsuOneJyantou: FourMentsuOneJyantou | null) => {
+	calc: (state: EnvForCalcYaku) => {
-		if (fourMentsuOneJyantou == null) return false;
-
 		const tiles = state.handTiles;
-		let manzuCount = tiles.filter(t => MANZU_TILES.includes(t)).length;
+		let manzuCount = tiles.filter(t => includes(MANZU_TILES, t)).length;
-		let pinzuCount = tiles.filter(t => PINZU_TILES.includes(t)).length;
+		let pinzuCount = tiles.filter(t => includes(PINZU_TILES, t)).length;
-		let souzuCount = tiles.filter(t => SOUZU_TILES.includes(t)).length;
+		let souzuCount = tiles.filter(t => includes(SOUZU_TILES, t)).length;
 
 		for (const huro of state.huros) {
 			const huroTiles = huro.type === 'cii' ? huro.tiles : huro.type === 'pon' ? [huro.tile, huro.tile, huro.tile] : [huro.tile, huro.tile, huro.tile, huro.tile];
-			manzuCount += huroTiles.filter(t => MANZU_TILES.includes(t)).length;
+			manzuCount += huroTiles.filter(t => includes(MANZU_TILES, t)).length;
-			pinzuCount += huroTiles.filter(t => PINZU_TILES.includes(t)).length;
+			pinzuCount += huroTiles.filter(t => includes(PINZU_TILES, t)).length;
-			souzuCount += huroTiles.filter(t => SOUZU_TILES.includes(t)).length;
+			souzuCount += huroTiles.filter(t => includes(SOUZU_TILES, t)).length;
 		}
 
 		if (manzuCount > 0 || pinzuCount > 0 || souzuCount > 0) return false;
@@ -690,6 +839,21 @@ export const YAKUMAN_DEFINITIONS: YakuDefiniyion[] = [{
 
 		return true;
 	},
+}, {
+	name: 'chinroto',
+	isYakuman: true,
+	calc: (state: EnvForCalcYaku, fourMentsuOneJyantou: FourMentsuOneJyantou | null) => {
+		return fourMentsuOneJyantou != null &&
+			state.huros.every(huro => huro.type != 'cii' && includes(TERMINAL_TILES, huro.tile)) &&
+			state.handTiles.every(tile => includes(TERMINAL_TILES, tile));
+	}
+}, {
+	name: 'sukantsu',
+	isYakuman: true,
+	calc: (state: EnvForCalcYaku, fourMentsuOneJyantou: FourMentsuOneJyantou | null) => {
+		return fourMentsuOneJyantou != null &&
+			state.huros.filter(huro => huro.type == 'ankan' || huro.type == 'minkan').length == 4;
+	}
 }, {
 	name: 'churen-9',
 	isYakuman: true,
@@ -698,9 +862,12 @@ export const YAKUMAN_DEFINITIONS: YakuDefiniyion[] = [{
 		if (fourMentsuOneJyantou == null) return false;
 
 		// 面前じゃないとダメ
-		if (state.huros.some(huro => CALL_HURO_TYPES.includes(huro.type))) return false;
+		if (state.huros.some(huro => includes(CALL_HURO_TYPES, huro.type))) return false;
 
 		const agariTile = state.tsumoTile ?? state.ronTile;
+		if (agariTile == null) {
+			return false;
+		}
 		const tempaiTiles = [...state.handTiles];
 		tempaiTiles.splice(state.handTiles.indexOf(agariTile), 1);
 
@@ -734,7 +901,7 @@ export const YAKUMAN_DEFINITIONS: YakuDefiniyion[] = [{
 		if (fourMentsuOneJyantou == null) return false;
 
 		// 面前じゃないとダメ
-		if (state.huros.some(huro => CALL_HURO_TYPES.includes(huro.type))) return false;
+		if (state.huros.some(huro => includes(CALL_HURO_TYPES, huro.type))) return false;
 
 		if (isManzu(state.handTiles[0])) {
 			if ((countTiles(state.handTiles, 'm1') === 3) && (countTiles(state.handTiles, 'm9') === 3)) {
@@ -758,44 +925,120 @@ export const YAKUMAN_DEFINITIONS: YakuDefiniyion[] = [{
 
 		return false;
 	},
+}, {
+	name: 'kokushi-13',
+	isYakuman: true,
+	isDoubleYakuman: true,
+	calc: (state: EnvForCalcYaku, fourMentsuOneJyantou: FourMentsuOneJyantou | null) => {
+		const agariTile = state.tsumoTile ?? state.ronTile;
+		return KOKUSHI_TILES.every(t => state.handTiles.includes(t)) && countTiles(state.handTiles, agariTile) == 2;
+	}
 }, {
 	name: 'kokushi',
 	isYakuman: true,
+	upper: 'kokushi-13',
 	calc: (state: EnvForCalcYaku, fourMentsuOneJyantou: FourMentsuOneJyantou | null) => {
-		return KOKUSHI_TILES.every(t => state.handTiles.includes(t));
+		return KOKUSHI_TILES.every(t => state.handTiles.includes(t)) && KOKUSHI_TILES.some(t => countTiles(state.handTiles, t) == 2);
 	},
+}, {
+	name: 'tenho',
+	isYakuman: true,
+	calc: (state: EnvForCalcYaku) => {
+		return (state.firstTurn ?? false) && state.tsumoTile != null && state.seatWind == 'e';
+	}
+}, {
+	name: 'chiho',
+	isYakuman: true,
+	calc: (state: EnvForCalcYaku) => {
+		return (state.firstTurn ?? false) && state.tsumoTile != null && state.seatWind != 'e';
+	}
 }];
 
-export const YAKU_DEFINITIONS = NORMAL_YAKU_DEFINITIONS.concat(YAKUMAN_DEFINITIONS);
+export function convertHuroForCalcYaku(huro: Huro): HuroForCalcYaku {
+	switch (huro.type) {
+		case 'pon':
+		case 'ankan':
+		case 'minkan':
+			return {
+				type: huro.type,
+				tile: TILE_ID_MAP.get(huro.tiles[0])!.t,
+			}
+		case 'cii':
+			return {
+				type: 'cii',
+				tiles: huro.tiles.map(tile => TILE_ID_MAP.get(tile)!.t) as [TileType, TileType, TileType],
+			};
+	}
+}
+
+const NORMAL_YAKU_DATA_MAP = new Map<NormalYakuName, Required<NormalYakuData>>(
+	NORMAL_YAKU_DEFINITIONS.map(yaku => [yaku.name, {
+		name: yaku.name,
+		upper: yaku.upper ?? null,
+		fan: yaku.fan,
+		isYakuman: false,
+		kuisagari: yaku.kuisagari ?? false,
+	}] as const)
+);
+
+const YAKUMAN_DATA_MAP = new Map<YakuName, Required<YakumanData>>(
+	YAKUMAN_DEFINITIONS.map(yaku => [yaku.name, {
+		name: yaku.name,
+		upper: yaku.upper ?? null,
+		fan: null,
+		isYakuman: true,
+		isDoubleYakuman: yaku.isDoubleYakuman ?? false,
+	}])
+);
+
+export function calcYakusWithDetail(state: EnvForCalcYaku): YakuSet {
+	if (state.riichi && state.huros.some(huro => includes(CALL_HURO_TYPES, huro.type)) ) {
+		throw new TypeError('Invalid riichi state with call huros');
+	}
+
+	const agariTile = state.tsumoTile ?? state.ronTile;
+	if (!state.handTiles.includes(agariTile)) {
+		throw new TypeError('Agari tile not included in hand tiles');
+	}
+
+	if (state.handTiles.length + state.huros.length * 3 != 14) {
+		throw new TypeError('Invalid tile count');
+	}
 
-export function calcYakus(state: EnvForCalcYaku): YakuName[] {
 	const oneHeadFourMentsuPatterns: (FourMentsuOneJyantou | null)[] = analyzeFourMentsuOneJyantou(state.handTiles);
 	if (oneHeadFourMentsuPatterns.length === 0) oneHeadFourMentsuPatterns.push(null);
 
-	const yakumanPatterns = oneHeadFourMentsuPatterns.map(fourMentsuOneJyantou => {
+	const waitPatterns = oneHeadFourMentsuPatterns.map(
-		const matchedYakus: YakuDefiniyion[] = [];
+		fourMentsuOneJyantou => calcWaitPatterns(fourMentsuOneJyantou, agariTile)
-		for (const yakuDef of YAKUMAN_DEFINITIONS) {
+	).flat();
-			if (yakuDef.upper && matchedYakus.some(yaku => yaku.name === yakuDef.upper)) continue;
+
-			const matched = yakuDef.calc(state, fourMentsuOneJyantou);
+	const yakumanPatterns = waitPatterns.map(fourMentsuOneJyantouWithWait => {
-			if (matched) {
+			const matchedYakus: Required<YakumanData>[] = [];
-				matchedYakus.push(yakuDef);
+			for (const yakuDef of YAKUMAN_DEFINITIONS) {
+				if (yakuDef.upper && matchedYakus.some(yaku => yaku.name === yakuDef.upper)) continue;
+				const matched = yakuDef.calc(state, fourMentsuOneJyantouWithWait);
+				if (matched) {
+					matchedYakus.push(YAKUMAN_DATA_MAP.get(yakuDef.name)!);
+				}
 			}
-		}
+			return matchedYakus;
-		return matchedYakus;
+		}).filter(yakus => yakus.length > 0);
-	}).filter(yakus => yakus.length > 0);
 
 	if (yakumanPatterns.length > 0) {
-		return yakumanPatterns[0].map(yaku => yaku.name);
+		return new YakumanSet(yakumanPatterns[0]);
 	}
 
-	const yakuPatterns = oneHeadFourMentsuPatterns.map(fourMentsuOneJyantou => {
+	const yakuPatterns = waitPatterns.map(
-		return NORMAL_YAKU_DEFINITIONS.map(yakuDef => {
+		fourMentsuOneJyantouWithWait => NORMAL_YAKU_DEFINITIONS.filter(
-			const result = yakuDef.calc(state, fourMentsuOneJyantou);
+			yakuDef => yakuDef.calc(state, fourMentsuOneJyantouWithWait)
-			return result ? yakuDef : null;
+		).map(yakuDef => NORMAL_YAKU_DATA_MAP.get(yakuDef.name)!)
-		}).filter(yaku => yaku != null) as YakuDefiniyion[];
+	).filter(yakus => yakus.length > 0);
-	}).filter(yakus => yakus.length > 0);
 
-	const isMenzen = state.huros.some(huro => CALL_HURO_TYPES.includes(huro.type));
+	const isMenzen = state.huros.some(huro => includes(CALL_HURO_TYPES, huro.type));
+
+	if (yakuPatterns.length == 0) {
+		return new NormalYakuSet(isMenzen, []);
+	}
 
 	let maxYakus = yakuPatterns[0];
 	let maxFan = 0;
@@ -814,5 +1057,9 @@ export function calcYakus(state: EnvForCalcYaku): YakuName[] {
 		}
 	}
 
-	return maxYakus.map(yaku => yaku.name);
+	return new NormalYakuSet(isMenzen, maxYakus);
+}
+
+export function calcYakus(state: EnvForCalcYaku): YakuName[] {
+	return calcYakusWithDetail(state).yakuNames;
 }

packages/misskey-mahjong/src/engine.master.ts

@@ -7,7 +7,9 @@ import CRC32 from 'crc-32';
 import { TileType, House, Huro, TileId } from './common.js';
 import * as Common from './common.js';
 import { PlayerState } from './engine.player.js';
-import { YAKU_DEFINITIONS } from "./common.yaku.js";
+import { calcYakusWithDetail, convertHuroForCalcYaku, YakuData, YakuSet } from './common.yaku.js';
+
+export const INITIAL_POINT = 25000;
 
 //#region syntax suger
 function $(tid: TileId): Common.TileInstance {
@@ -134,13 +136,33 @@ class StateManager {
 			pattern.filter(t => hand.includes(t)).length >= 2);
 	}
 
-	public tsumo(): TileId {
+	private withTsumoTile(tile: TileId | undefined, isRinshan: boolean): TileId {
-		const tile = this.$state.tiles.pop();
 		if (tile == null) throw new Error('No tiles left');
 		if (this.$state.turn == null) throw new Error('Not your turn');
 		this.$state.handTiles[this.$state.turn].push(tile);
+		this.$state.rinshanFlags[this.$state.turn] = isRinshan;
 		return tile;
 	}
+
+	public tsumo(): TileId {
+		return this.withTsumoTile(this.$state.tiles.pop(), false);
+	}
+
+	public rinshanTsumo(): TileId {
+		return this.withTsumoTile(this.$state.tiles.shift(), true);
+	}
+
+	public clearFirstTurnAndIppatsus(): void {
+		this.$state.firstTurnFlags.e = false;
+		this.$state.firstTurnFlags.s = false;
+		this.$state.firstTurnFlags.w = false;
+		this.$state.firstTurnFlags.n = false;
+
+		this.$state.ippatsus.e = false;
+		this.$state.ippatsus.s = false;
+		this.$state.ippatsus.w = false;
+		this.$state.ippatsus.n = false;
+	}
 }
 
 export type MasterState = {
@@ -178,18 +200,36 @@ export type MasterState = {
 		w: Huro[];
 		n: Huro[];
 	};
+	firstTurnFlags: {
+		e: boolean;
+		s: boolean;
+		w: boolean;
+		n: boolean;
+	};
 	riichis: {
 		e: boolean;
 		s: boolean;
 		w: boolean;
 		n: boolean;
 	};
+	doubleRiichis: {
+		e: boolean;
+		s: boolean;
+		w: boolean;
+		n: boolean;
+	};
 	ippatsus: {
 		e: boolean;
 		s: boolean;
 		w: boolean;
 		n: boolean;
 	};
+	rinshanFlags: {
+		e: boolean;
+		s: boolean;
+		w: boolean;
+		n: boolean;
+	}
 	points: {
 		e: number;
 		s: number;
@@ -304,7 +344,7 @@ export class MasterGameEngine {
 		return this.stateManager.turn;
 	}
 
-	public static createInitialState(): MasterState {
+	public static createInitialState(preset: Partial<MasterState> = {}): MasterState {
 		const ikasama: TileId[] = [125, 129, 9, 56, 57, 61, 77, 81, 85, 133, 134, 135, 121, 122];
 
 		const tiles = shuffle([...Common.TILE_ID_MAP.keys()]);
@@ -350,23 +390,41 @@ export class MasterGameEngine {
 				w: [],
 				n: [],
 			},
+			firstTurnFlags: {
+				e: true,
+				s: true,
+				w: true,
+				n: true,
+			},
 			riichis: {
 				e: false,
 				s: false,
 				w: false,
 				n: false,
 			},
+			doubleRiichis: {
+				e: false,
+				s: false,
+				w: false,
+				n: false,
+			},
 			ippatsus: {
 				e: false,
 				s: false,
 				w: false,
 				n: false,
 			},
+			rinshanFlags: {
+				e: false,
+				s: false,
+				w: false,
+				n: false,
+			},
 			points: {
-				e: 25000,
+				e: INITIAL_POINT,
-				s: 25000,
+				s: INITIAL_POINT,
-				w: 25000,
+				w: INITIAL_POINT,
-				n: 25000,
+				n: INITIAL_POINT,
 			},
 			turn: 'e',
 			nextTurnAfterAsking: null,
@@ -376,6 +434,7 @@ export class MasterGameEngine {
 				cii: null,
 				kan: null,
 			},
+			...preset,
 		};
 	}
 
@@ -433,8 +492,14 @@ export class MasterGameEngine {
 		if (riichi) {
 			tx.$state.riichis[house] = true;
 			tx.$state.ippatsus[house] = true;
+			if (tx.$state.firstTurnFlags[house]) {
+				tx.$state.doubleRiichis[house] = true;
+			}
 		}
 
+		tx.$state.firstTurnFlags[house] = false;
+		tx.$state.rinshanFlags[house] = false;
+
 		const canRonHouses: House[] = [];
 		switch (house) {
 			case 'e':
@@ -548,20 +613,17 @@ export class MasterGameEngine {
 	public commit_kakan(house: House, tid: TileId) {
 		const tx = this.startTransaction();
 
-		const pon = tx.$state.huros[house].find(h => h.type === 'pon' && $type(h.tiles[0]) === $type(tid));
+		const pon = tx.$state.huros[house].find(h => h.type === 'pon' && $type(h.tiles[0]) === $type(tid)) as Huro & {type: 'pon'};
 		if (pon == null) throw new Error('No such pon');
 		tx.$state.handTiles[house].splice(tx.$state.handTiles[house].indexOf(tid), 1);
-		const tiles = [tid, ...pon.tiles];
+		const tiles = [tid, ...pon.tiles] as const;
 		tx.$state.huros[house].push({ type: 'minkan', tiles: tiles, from: pon.from });
 
-		tx.$state.ippatsus.e = false;
+		tx.clearFirstTurnAndIppatsus();
-		tx.$state.ippatsus.s = false;
-		tx.$state.ippatsus.w = false;
-		tx.$state.ippatsus.n = false;
 
 		tx.$state.activatedDorasCount++;
 
-		const rinsyan = tx.tsumo();
+		const rinsyan = tx.rinshanTsumo();
 
 		tx.$commit();
 
@@ -587,17 +649,14 @@ export class MasterGameEngine {
 		tx.$state.handTiles[house].splice(tx.$state.handTiles[house].indexOf(t2), 1);
 		tx.$state.handTiles[house].splice(tx.$state.handTiles[house].indexOf(t3), 1);
 		tx.$state.handTiles[house].splice(tx.$state.handTiles[house].indexOf(t4), 1);
-		const tiles = [t1, t2, t3, t4];
+		const tiles = [t1, t2, t3, t4] as const;
 		tx.$state.huros[house].push({ type: 'ankan', tiles: tiles });
 
-		tx.$state.ippatsus.e = false;
+		tx.clearFirstTurnAndIppatsus();
-		tx.$state.ippatsus.s = false;
-		tx.$state.ippatsus.w = false;
-		tx.$state.ippatsus.n = false;
 
 		tx.$state.activatedDorasCount++;
 
-		const rinsyan = tx.tsumo();
+		const rinsyan = tx.rinshanTsumo();
 
 		tx.$commit();
 
@@ -611,36 +670,40 @@ export class MasterGameEngine {
 	 * ツモ和了
 	 * @param house
 	 */
-	public commit_tsumoHora(house: House) {
+	public commit_tsumoHora(house: House, doLog = true) {
 		const tx = this.startTransaction();
 
 		if (tx.$state.turn !== house) throw new Error('Not your turn');
 
-		const yakus = YAKU_DEFINITIONS.filter(yaku => yaku.calc({
+		const yakus = calcYakusWithDetail({
-			house: house,
+			seatWind: house,
 			handTiles: tx.handTileTypes[house],
-			huros: tx.$state.huros[house],
+			huros: tx.$state.huros[house].map(convertHuroForCalcYaku),
 			tsumoTile: tx.handTileTypes[house].at(-1)!,
 			ronTile: null,
+			firstTurn: tx.$state.firstTurnFlags[house],
 			riichi: tx.$state.riichis[house],
+			doubleRiichi: tx.$state.doubleRiichis[house],
 			ippatsu: tx.$state.ippatsus[house],
-		}));
+			rinshan: tx.$state.rinshanFlags[house],
+			haitei: tx.$state.tiles.length == 0,
+		});
 		const doraCount =
 			Common.calcOwnedDoraCount(tx.handTileTypes[house], tx.$state.huros[house], tx.doras) +
 			Common.calcRedDoraCount(tx.$state.handTiles[house], tx.$state.huros[house]);
-		const fans = yakus.map(yaku => yaku.fan).reduce((a, b) => a + b, 0) + doraCount;
+		const pointDeltas = Common.calcTsumoHoraPointDeltas(house, yakus);
-		const pointDeltas = Common.calcTsumoHoraPointDeltas(house, fans);
 		tx.$state.points.e += pointDeltas.e;
 		tx.$state.points.s += pointDeltas.s;
 		tx.$state.points.w += pointDeltas.w;
 		tx.$state.points.n += pointDeltas.n;
-		console.log('yakus', house, yakus);
+		if (doLog) console.log('yakus', house, yakus);
 
 		tx.$commit();
 
 		return {
 			handTiles: tx.$state.handTiles[house],
 			tsumoTile: tx.$state.handTiles[house].at(-1)!,
+			yakus,
 		};
 	}
 
@@ -649,7 +712,7 @@ export class MasterGameEngine {
 		cii: false | 'x__' | '_x_' | '__x';
 		kan: boolean;
 		ron: House[];
-	}) {
+	}, doLog = true) {
 		const tx = this.startTransaction();
 
 		if (tx.$state.askings.pon == null && tx.$state.askings.cii == null && tx.$state.askings.kan == null && tx.$state.askings.ron == null) throw new Error();
@@ -668,26 +731,31 @@ export class MasterGameEngine {
 			const callers = answers.ron;
 			const callee = ron.callee;
 
-			for (const house of callers) {
+			const yakus: { [K in House]?: YakuSet } = Object.fromEntries(callers.map(house => {
-				const yakus = YAKU_DEFINITIONS.filter(yaku => yaku.calc({
+				const ronTile = tx.hoTileTypes[callee].at(-1)!;
-					house: house,
+				const yakus = calcYakusWithDetail({
-					handTiles: tx.handTileTypes[house],
+					seatWind: house,
-					huros: tx.$state.huros[house],
+					handTiles: tx.handTileTypes[house].concat([ronTile]),
+					huros: tx.$state.huros[house].map(convertHuroForCalcYaku),
 					tsumoTile: null,
-					ronTile: tx.hoTileTypes[callee].at(-1)!,
+					ronTile,
+					firstTurn: tx.$state.firstTurnFlags[house],
 					riichi: tx.$state.riichis[house],
+					doubleRiichi: tx.$state.doubleRiichis[house],
 					ippatsu: tx.$state.ippatsus[house],
-				}));
+					hotei: tx.$state.tiles.length == 0,
+				});
 				const doraCount =
 					Common.calcOwnedDoraCount(tx.handTileTypes[house], tx.$state.huros[house], tx.doras) +
 					Common.calcRedDoraCount(tx.$state.handTiles[house], tx.$state.huros[house]);
-				const fans = yakus.map(yaku => yaku.fan).reduce((a, b) => a + b, 0) + doraCount;
+				const point = Common.calcPoint(yakus, house === 'e');
-				const point = Common.fanToPoint(fans, house === 'e');
 				tx.$state.points[callee] -= point;
 				tx.$state.points[house] += point;
-				console.log('fans point', fans, point);
+				if (doLog) {
-				console.log('yakus', house, yakus);
+					console.log('yakus', house, yakus);
-			}
+				}
+				return [house, yakus] as const;
+			}));
 
 			tx.$commit();
 
@@ -696,6 +764,7 @@ export class MasterGameEngine {
 				callers: ron.callers,
 				callee: ron.callee,
 				turn: null,
+				yakus,
 			};
 		} else if (kan != null && answers.kan) {
 			// 大明槓
@@ -712,17 +781,14 @@ export class MasterGameEngine {
 			tx.$state.handTiles[kan.caller].splice(tx.$state.handTiles[kan.caller].indexOf(t2), 1);
 			tx.$state.handTiles[kan.caller].splice(tx.$state.handTiles[kan.caller].indexOf(t3), 1);
 
-			const tiles = [tile, t1, t2, t3];
+			const tiles = [tile, t1, t2, t3] as const;
 			tx.$state.huros[kan.caller].push({ type: 'minkan', tiles: tiles, from: kan.callee });
 
-			tx.$state.ippatsus.e = false;
+			tx.clearFirstTurnAndIppatsus();
-			tx.$state.ippatsus.s = false;
-			tx.$state.ippatsus.w = false;
-			tx.$state.ippatsus.n = false;
 
 			tx.$state.activatedDorasCount++;
 
-			const rinsyan = tx.tsumo();
+			const rinsyan = tx.rinshanTsumo();
 
 			tx.$state.turn = kan.caller;
 
@@ -746,13 +812,10 @@ export class MasterGameEngine {
 			tx.$state.handTiles[pon.caller].splice(tx.$state.handTiles[pon.caller].indexOf(t1), 1);
 			tx.$state.handTiles[pon.caller].splice(tx.$state.handTiles[pon.caller].indexOf(t2), 1);
 
-			const tiles = [tile, t1, t2];
+			const tiles = [tile, t1, t2] as const;
 			tx.$state.huros[pon.caller].push({ type: 'pon', tiles: tiles, from: pon.callee });
 
-			tx.$state.ippatsus.e = false;
+			tx.clearFirstTurnAndIppatsus();
-			tx.$state.ippatsus.s = false;
-			tx.$state.ippatsus.w = false;
-			tx.$state.ippatsus.n = false;
 
 			tx.$state.turn = pon.caller;
 
@@ -816,10 +879,7 @@ export class MasterGameEngine {
 
 			tx.$state.huros[cii.caller].push({ type: 'cii', tiles: tiles, from: cii.callee });
 
-			tx.$state.ippatsus.e = false;
+			tx.clearFirstTurnAndIppatsus();
-			tx.$state.ippatsus.s = false;
-			tx.$state.ippatsus.w = false;
-			tx.$state.ippatsus.n = false;
 
 			tx.$state.turn = cii.caller;
 
@@ -891,18 +951,36 @@ export class MasterGameEngine {
 				w: this.$state.huros.w,
 				n: this.$state.huros.n,
 			},
+			firstTurnFlags: {
+				e: this.$state.firstTurnFlags.e,
+				s: this.$state.firstTurnFlags.s,
+				w: this.$state.firstTurnFlags.w,
+				n: this.$state.firstTurnFlags.n,
+			},
 			riichis: {
 				e: this.$state.riichis.e,
 				s: this.$state.riichis.s,
 				w: this.$state.riichis.w,
 				n: this.$state.riichis.n,
 			},
+			doubleRiichis: {
+				e: this.$state.doubleRiichis.e,
+				s: this.$state.doubleRiichis.s,
+				w: this.$state.doubleRiichis.w,
+				n: this.$state.doubleRiichis.n,
+			},
 			ippatsus: {
 				e: this.$state.ippatsus.e,
 				s: this.$state.ippatsus.s,
 				w: this.$state.ippatsus.w,
 				n: this.$state.ippatsus.n,
 			},
+			rinshanFlags: {
+				e: this.$state.rinshanFlags.e,
+				s: this.$state.rinshanFlags.s,
+				w: this.$state.rinshanFlags.w,
+				n: this.$state.rinshanFlags.n,
+			},
 			points: {
 				e: this.$state.points.e,
 				s: this.$state.points.s,
@@ -911,6 +989,10 @@ export class MasterGameEngine {
 			},
 			latestDahaiedTile: null,
 			turn: this.$state.turn,
+			canPon: null,
+			canCii: null,
+			canKan: null,
+			canRon: null,
 		};
 	}
 

packages/misskey-mahjong/src/engine.player.ts

@@ -6,7 +6,7 @@
 import CRC32 from 'crc-32';
 import { TileType, House, Huro, TileId } from './common.js';
 import * as Common from './common.js';
-import { YAKU_DEFINITIONS } from './common.yaku.js';
+import { calcYakusWithDetail, convertHuroForCalcYaku } from './common.yaku.js';
 
 //#region syntax suger
 function $(tid: TileId): Common.TileInstance {
@@ -53,18 +53,36 @@ export type PlayerState = {
 		w: Huro[];
 		n: Huro[];
 	};
+	firstTurnFlags: {
+		e: boolean;
+		s: boolean;
+		w: boolean;
+		n: boolean;
+	};
 	riichis: {
 		e: boolean;
 		s: boolean;
 		w: boolean;
 		n: boolean;
 	};
+	doubleRiichis: {
+		e: boolean;
+		s: boolean;
+		w: boolean;
+		n: boolean;
+	};
 	ippatsus: {
 		e: boolean;
 		s: boolean;
 		w: boolean;
 		n: boolean;
 	};
+	rinshanFlags: {
+		e: boolean;
+		s: boolean;
+		w: boolean;
+		n: boolean;
+	}
 	points: {
 		e: number;
 		s: number;
@@ -80,7 +98,7 @@ export type PlayerState = {
 };
 
 export type KyokuResult = {
-	yakus: { name: string; fan: number; isYakuman: boolean; }[];
+	yakus: { name: string; fan: number | null; isYakuman: boolean; }[];
 	doraCount: number;
 	pointDeltas: { e: number; s: number; w: number; n: number; };
 };
@@ -241,31 +259,30 @@ export class PlayerGameEngine {
 	public commit_tsumoHora(house: House, handTiles: TileId[], tsumoTile: TileId): KyokuResult {
 		console.log('commit_tsumoHora', this.state.turn, house);
 
-		const yakus = YAKU_DEFINITIONS.filter(yaku => yaku.calc({
+		const yakus = calcYakusWithDetail({
-			house: house,
+			seatWind: house,
 			handTiles: handTiles.map(id => $type(id)),
-			huros: this.state.huros[house],
+			huros: this.state.huros[house].map(convertHuroForCalcYaku),
 			tsumoTile: $type(tsumoTile),
 			ronTile: null,
+			firstTurn: this.state.firstTurnFlags[house],
 			riichi: this.state.riichis[house],
+			doubleRiichi: this.state.doubleRiichis[house],
 			ippatsu: this.state.ippatsus[house],
-		}));
+			rinshan: this.state.rinshanFlags[house],
+			haitei: this.state.tilesCount == 0,
+		});
 		const doraCount =
 			Common.calcOwnedDoraCount(handTiles.map(id => $type(id)), this.state.huros[house], this.doras) +
 			Common.calcRedDoraCount(handTiles, this.state.huros[house]);
-		const fans = yakus.map(yaku => yaku.fan).reduce((a, b) => a + b, 0) + doraCount;
+		const pointDeltas = Common.calcTsumoHoraPointDeltas(house, yakus);
-		const pointDeltas = Common.calcTsumoHoraPointDeltas(house, fans);
 		this.state.points.e += pointDeltas.e;
 		this.state.points.s += pointDeltas.s;
 		this.state.points.w += pointDeltas.w;
 		this.state.points.n += pointDeltas.n;
 
 		return {
-			yakus: yakus.map(yaku => ({
+			yakus: yakus.yakus,
-				name: yaku.name,
-				fan: yaku.fan,
-				isYakuman: yaku.isYakuman,
-			})),
 			doraCount,
 			pointDeltas,
 		};
@@ -293,24 +310,27 @@ export class PlayerGameEngine {
 			n: { yakus: [], doraCount: 0, pointDeltas: { e: 0, s: 0, w: 0, n: 0 } },
 		};
 
+		const ronTile = $type(this.state.hoTiles[callee].at(-1)!);
 		for (const house of callers) {
-			const yakus = YAKU_DEFINITIONS.filter(yaku => yaku.calc({
+			const yakus = calcYakusWithDetail({
-				house: house,
+				seatWind: house,
-				handTiles: handTiles[house].map(id => $type(id)),
+				handTiles: handTiles[house].map(id => $type(id)).concat([ronTile]),
-				huros: this.state.huros[house],
+				huros: this.state.huros[house].map(convertHuroForCalcYaku),
 				tsumoTile: null,
-				ronTile: $type(this.state.hoTiles[callee].at(-1)!),
+				ronTile: ronTile,
+				firstTurn: this.state.firstTurnFlags[house],
 				riichi: this.state.riichis[house],
+				doubleRiichi: this.state.doubleRiichis[house],
 				ippatsu: this.state.ippatsus[house],
-			}));
+				hotei: this.state.tilesCount == 0,
+			});
 			const doraCount =
 				Common.calcOwnedDoraCount(handTiles[house].map(id => $type(id)), this.state.huros[house], this.doras) +
 				Common.calcRedDoraCount(handTiles[house], this.state.huros[house]);
-			const fans = yakus.map(yaku => yaku.fan).reduce((a, b) => a + b, 0) + doraCount;
+			const point = Common.calcPoint(yakus, house === 'e');
-			const point = Common.fanToPoint(fans, house === 'e');
 			this.state.points[callee] -= point;
 			this.state.points[house] += point;
-			resultMap[house].yakus = yakus.map(yaku => ({ name: yaku.name, fan: yaku.fan, isYakuman: yaku.isYakuman }));
+			resultMap[house].yakus = yakus.yakus;
 			resultMap[house].doraCount = doraCount;
 			resultMap[house].pointDeltas[callee] = -point;
 			resultMap[house].pointDeltas[house] = point;
@@ -329,7 +349,7 @@ export class PlayerGameEngine {
 	 * @param caller ポンした人
 	 * @param callee 牌を捨てた人
 	 */
-	public commit_pon(caller: House, callee: House, tiles: TileId[]) {
+	public commit_pon(caller: House, callee: House, tiles: readonly [TileId, TileId, TileId]) {
 		this.state.canPon = null;
 
 		this.state.hoTiles[callee].pop();
@@ -351,7 +371,7 @@ export class PlayerGameEngine {
 	 * @param caller 大明槓した人
 	 * @param callee 牌を捨てた人
 	 */
-	public commit_kan(caller: House, callee: House, tiles: TileId[], rinsyan: TileId) {
+	public commit_kan(caller: House, callee: House, tiles: readonly [TileId, TileId, TileId, TileId], rinsyan: TileId) {
 		this.state.canKan = null;
 
 		this.state.hoTiles[callee].pop();
@@ -383,7 +403,7 @@ export class PlayerGameEngine {
 	 * @param caller チーした人
 	 * @param callee 牌を捨てた人
 	 */
-	public commit_cii(caller: House, callee: House, tiles: TileId[]) {
+	public commit_cii(caller: House, callee: House, tiles: readonly [TileId, TileId, TileId]) {
 		this.state.canCii = null;
 
 		this.state.hoTiles[callee].pop();

packages/misskey-mahjong/test/engine.ts

@@ -0,0 +1,235 @@
+/*
+ * SPDX-FileCopyrightText: syuilo and misskey-project
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+import * as assert from 'node:assert';
+import * as Common from '../src/common.js';
+import { TileType, TileId } from '../src/common.js';
+import { MasterGameEngine, MasterState, INITIAL_POINT } from '../src/engine.master.js';
+
+const TILES = [71, 132, 108, 51, 39, 19, 3, 86, 104, 18, 50, 7, 45, 82, 43, 34, 111, 78, 53, 105, 126, 91, 112, 75, 119, 55, 95, 93, 65, 9, 66, 52, 79, 32, 99, 109, 56, 5, 101, 92, 1, 37, 62, 23, 27, 117, 77, 14, 31, 96, 120, 130, 29, 135, 100, 17, 102, 124, 59, 89, 49, 115, 107, 97, 90, 48, 25, 110, 68, 15, 74, 129, 69, 61, 73, 81, 11, 41, 44, 84, 13, 40, 33, 58, 30, 8, 38, 10, 87, 125, 57, 121, 21, 2, 54, 46, 22, 4, 133, 16, 76, 70, 60, 103, 114, 122, 24, 88, 36, 123, 47, 12, 128, 118, 116, 63, 26, 94, 67, 131, 64, 35, 113, 134, 6, 127, 80, 72, 42, 98, 85, 20, 106, 136, 83, 28];
+
+const INITIAL_TILES_LENGTH = 69;
+
+class TileSetBuilder {
+	private restTiles = [...TILES];
+
+	private handTiles: {
+		e: TileId[] | null,
+		s: TileId[] | null,
+		w: TileId[] | null,
+		n: TileId[] | null,
+	} = {
+		e: null,
+		s: null,
+		w: null,
+		n: null,
+	};
+
+	private tiles = new Map<number, TileId>;
+
+	public setHandTiles(house: Common.House, tileTypes: TileType[]): this {
+		if (this.handTiles[house] != null) {
+			throw new TypeError(`Hand tiles of house '${house}' is already set`);
+		}
+
+		const tiles = tileTypes.map(tile => {
+			const index = this.restTiles.findIndex(tileId => Common.TILE_ID_MAP.get(tileId)!.t == tile);
+			if (index == -1) {
+				throw new TypeError(`Tile '${tile}' is not left`);
+			}
+			return this.restTiles.splice(index, 1)[0];
+		});
+
+		this.handTiles[house] = tiles;
+
+		return this;
+	}
+
+	/**
+	 * 山のn番目（0始まり）の牌を指定する。nが負の場合、海底を-1として海底側から数える
+	 */
+	public setTile(n: number, tileType: TileType): this {
+		if (n < 0) {
+			n += INITIAL_TILES_LENGTH;
+		}
+
+		if (n < 0 || n >= INITIAL_TILES_LENGTH) {
+			throw new RangeError(`Cannot set ${n}th tile`);
+		}
+
+		const indexInTiles = INITIAL_TILES_LENGTH - n - 1;
+
+		if (this.tiles.has(indexInTiles)) {
+			throw new TypeError(`${n}th tile is already set`);
+		}
+
+		const indexInRestTiles = this.restTiles.findIndex(tileId => Common.TILE_ID_MAP.get(tileId)!.t == tileType);
+		if (indexInRestTiles == -1) {
+			throw new TypeError(`Tile '${tileType}' is not left`);
+		}
+		this.tiles.set(indexInTiles, this.restTiles.splice(indexInRestTiles, 1)[0]);
+
+		return this;
+	}
+
+	public build(): Pick<MasterState, 'tiles' | 'kingTiles' | 'handTiles'> {
+		const handTiles: MasterState['handTiles'] = {
+			e: this.handTiles.e ?? this.restTiles.splice(0, 14),
+			s: this.handTiles.s ?? this.restTiles.splice(0, 13),
+			w: this.handTiles.w ?? this.restTiles.splice(0, 13),
+			n: this.handTiles.n ?? this.restTiles.splice(0, 13),
+		};
+
+		const kingTiles: MasterState['kingTiles'] = this.restTiles.splice(0, 14);
+
+		const tiles = [...this.restTiles];
+		for (const [index, tile] of [...this.tiles.entries()].sort(([index1], [index2]) => index1 - index2)) {
+			tiles.splice(index, 0, tile);
+		}
+
+		return {
+			tiles,
+			kingTiles,
+			handTiles,
+		};
+	}
+}
+
+function tsumogiri(engine: MasterGameEngine, riichi = false): void {
+	const house = engine.turn;
+	if (house == null) {
+		throw new Error('No one\'s turn');
+	}
+	engine.commit_dahai(house, engine.handTiles[house].at(-1)!, riichi);
+}
+
+function tsumogiriAndIgnore(engine: MasterGameEngine, riichi = false): void {
+	tsumogiri(engine, riichi);
+	if (engine.askings.pon != null || engine.askings.cii != null || engine.askings.kan != null || engine.askings.ron != null) {
+		engine.commit_resolveCallingInterruption({
+			pon: false,
+			cii: false,
+			kan: false,
+			ron: [],
+		});
+	}
+}
+
+describe('Master game engine', () => {
+	it('tenho', () => {
+		const engine = new MasterGameEngine(MasterGameEngine.createInitialState(
+			new TileSetBuilder().setHandTiles('e', ['m1', 'm2', 'm3', 'p6', 'p6', 'p6', 's6', 's7', 's8', 'n', 'n', 'n', 'm3', 'm3']).build(),
+		));
+		expect(engine.commit_tsumoHora('e', false).yakus.yakuNames).toEqual(['tenho']);
+		expect(engine.$state.points).toEqual({
+			e: INITIAL_POINT + 48000,
+			s: INITIAL_POINT - 16000,
+			w: INITIAL_POINT - 16000,
+			n: INITIAL_POINT - 16000,
+		});
+	});
+
+	it('chiho', () => {
+		const engine = new MasterGameEngine(MasterGameEngine.createInitialState(
+			new TileSetBuilder()
+				.setHandTiles('s', ['m1', 'm2', 'm3', 'p6', 'p6', 'p6', 's6', 's7', 's8', 'n', 'n', 'n', 'm3'])
+				.setTile(0, 'm3')
+				.build(),
+		));
+		tsumogiriAndIgnore(engine);
+		expect(engine.commit_tsumoHora('s', false).yakus.yakuNames).toEqual(['chiho']);
+		expect(engine.$state.points).toEqual({
+			e: INITIAL_POINT - 16000,
+			s: INITIAL_POINT + 32000,
+			w: INITIAL_POINT - 8000,
+			n: INITIAL_POINT - 8000,
+		});
+	});
+
+	it('rinshan', () => {
+		const engine = new MasterGameEngine(MasterGameEngine.createInitialState(
+			new TileSetBuilder()
+			.setHandTiles('e', ['m1', 'm2', 'm3', 'p6', 'p6', 'p6', 's6', 's7', 's8', 'n', 'n', 'n', 'm3', 'n'])
+			.setTile(-1, 'm3')
+			.build(),
+		));
+		engine.commit_ankan('e', engine.$state.handTiles.e.at(-1)!);
+		expect(engine.commit_tsumoHora('e', false).yakus.yakuNames).toEqual(['tsumo', 'rinshan']);
+		expect(engine.$state.points).toEqual({
+			e: INITIAL_POINT + 3000,
+			s: INITIAL_POINT - 1000,
+			w: INITIAL_POINT - 1000,
+			n: INITIAL_POINT - 1000,
+		});
+	});
+
+	it('double-riichi ippatsu tsumo', () => {
+		const engine = new MasterGameEngine(MasterGameEngine.createInitialState(
+			new TileSetBuilder()
+			.setHandTiles('e', ['m1', 'm2', 'm3', 'p6', 'p6', 'p6', 's6', 's7', 's8', 'n', 'n', 'n', 'm3', 's'])
+			.setTile(3, 'm3')
+			.build(),
+		));
+		tsumogiriAndIgnore(engine, true);
+		tsumogiriAndIgnore(engine);
+		tsumogiriAndIgnore(engine);
+		tsumogiriAndIgnore(engine);
+		expect(engine.commit_tsumoHora('e', false).yakus.yakuNames).toEqual(['tsumo', 'double-riichi', 'ippatsu']);
+		expect(engine.$state.points).toEqual({
+			e: INITIAL_POINT + 12000,
+			s: INITIAL_POINT - 4000,
+			w: INITIAL_POINT - 4000,
+			n: INITIAL_POINT - 4000,
+		});
+	});
+
+	it('double-riichi haitei tsumo', () => {
+		const engine = new MasterGameEngine(MasterGameEngine.createInitialState(
+			new TileSetBuilder()
+				.setHandTiles('s', ['m1', 'm2', 'm3', 'p6', 'p6', 'p6', 's6', 's7', 's8', 'n', 'n', 'n', 'm3'])
+				.setTile(-1, 'm3')
+				.build(),
+		));
+		tsumogiriAndIgnore(engine);
+		tsumogiriAndIgnore(engine, true);
+		while (engine.$state.tiles.length > 0) {
+			tsumogiriAndIgnore(engine);
+		}
+		expect(engine.commit_tsumoHora('s', false).yakus.yakuNames).toEqual(['tsumo', 'double-riichi', 'haitei']);
+		expect(engine.$state.points).toEqual({
+			e: INITIAL_POINT - 4000,
+			s: INITIAL_POINT + 8000,
+			w: INITIAL_POINT - 2000,
+			n: INITIAL_POINT - 2000,
+		});
+	});
+
+	it('double-riichi hotei', () => {
+		const engine = new MasterGameEngine(MasterGameEngine.createInitialState(
+			new TileSetBuilder()
+				.setHandTiles('e', ['m1', 'm2', 'm3', 'p6', 'p6', 'p6', 's6', 's7', 's8', 'n', 'n', 'n', 'm3', 's'])
+				.setHandTiles('s', ['m3', 'm6', 'p2', 'p5', 'p8', 's4',  'e', 's', 'w', 'haku', 'hatsu', 'chun', 'chun'])
+				.setTile(-1, 'm3')
+				.build(),
+		));
+		tsumogiriAndIgnore(engine, true);
+		while (engine.$state.tiles.length > 0) {
+			tsumogiriAndIgnore(engine);
+		}
+		tsumogiri(engine);
+		expect(engine.commit_resolveCallingInterruption({
+			pon: false,
+			cii: false,
+			kan: false,
+			ron: ['e'],
+		}, false).yakus?.e?.yakuNames).toEqual(['double-riichi', 'hotei']);
+		expect(engine.$state.points).toEqual({
+			e: INITIAL_POINT + 6000,
+			s: INITIAL_POINT - 6000,
+			w: INITIAL_POINT,
+			n: INITIAL_POINT,
+		});
+	});
+});

packages/misskey-mahjong/test/fu.ts

@@ -0,0 +1,70 @@
+/*
+ * SPDX-FileCopyrightText: syuilo and misskey-project
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+import assert from "node:assert"
+import { calcWaitPatterns } from "../src/common.fu"
+import { analyzeFourMentsuOneJyantou } from "../src/common"
+
+describe('Fu', () => {
+	describe('Wait patterns', () => {
+		it('Ryanmen', () => {
+			const fourMentsuOneJyantou = analyzeFourMentsuOneJyantou(
+				['m2', 'm3', 'm4', 'p6', 'p7', 'p8', 'p5', 'p6', 'p7', 's1', 's1', 's7', 's8', 's9']
+			)[0];
+			assert.deepStrictEqual(calcWaitPatterns(fourMentsuOneJyantou, 's9'), [{
+				...fourMentsuOneJyantou,
+				waitedFor: 'mentsu',
+				agariTile: 's9',
+				waitedTaatsu: ['s7', 's8'],
+			}]);
+		});
+
+		it('Kanchan', () => {
+			const fourMentsuOneJyantou = analyzeFourMentsuOneJyantou(
+				['m2', 'm3', 'm4', 'p6', 'p7', 'p8', 'p5', 'p6', 'p7', 's1', 's1', 's7', 's8', 's9']
+			)[0];
+			assert.deepStrictEqual(calcWaitPatterns(fourMentsuOneJyantou, 's8'), [{
+				...fourMentsuOneJyantou,
+				waitedFor: 'mentsu',
+				agariTile: 's8',
+				waitedTaatsu: ['s7', 's9'],
+			}]);
+		})
+
+		it('Penchan', () => {
+			const fourMentsuOneJyantou = analyzeFourMentsuOneJyantou(
+				['m2', 'm3', 'm4', 'p6', 'p7', 'p8', 'p5', 'p6', 'p7', 's1', 's1', 's7', 's8', 's9']
+			)[0];
+			assert.deepStrictEqual(calcWaitPatterns(fourMentsuOneJyantou, 's7'), [{
+				...fourMentsuOneJyantou,
+				waitedFor: 'mentsu',
+				agariTile: 's7',
+				waitedTaatsu: ['s8', 's9'],
+			}]);
+		})
+
+		it('Tanki', () => {
+			const fourMentsuOneJyantou = analyzeFourMentsuOneJyantou(
+				['m1', 'm1', 'm1', 'm2', 'm2', 'm2', 'm3', 'm3', 'm3', 'haku', 'haku', 'haku', 'e', 'e']
+			)[0];
+			assert.deepStrictEqual(calcWaitPatterns(fourMentsuOneJyantou, 'e'), [{
+				...fourMentsuOneJyantou,
+				waitedFor: 'head',
+				agariTile: 'e',
+			}]);
+		});
+
+		it('Nobetan', () => {
+			const fourMentsuOneJyantou = analyzeFourMentsuOneJyantou(
+				['m1', 'm2', 'm3', 'm5', 'm6', 'm7', 'p2', 'p3', 'p4', 's3', 's4', 's5', 's6', 's6']
+			)[0];
+			assert.deepStrictEqual(calcWaitPatterns(fourMentsuOneJyantou, 's6'), [{
+				...fourMentsuOneJyantou,
+				waitedFor: 'head',
+				agariTile: 's6',
+			}]);
+		});
+	});
+});