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@shoal shoal Bring the game from shoal-games 82301f6c4521 eae6e82 · 2 weeks ago History
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1// The table as the board draws it, built the same way from a replay (all hands known) and from a live room's messages
2// (only the hands of the seats this viewer controls). Cards come in RLCard's suited notation ('S3', 'HT', 'BJ', 'RJ');
3// moves in RLCard's ('33344', 'BR', 'pass'), ranks always in the order of ORDER.
4import type { Card, Suit } from './deskpark/PlayingCard';
5
6export const ORDER = '3456789TJQKA2BR';
7const RANK: Record<string, number> = { T: 10, J: 11, Q: 12, K: 13, A: 14 };
8const CHAR: Record<number, string> = { 10: 'T', 11: 'J', 12: 'Q', 13: 'K', 14: 'A', 16: 'B', 17: 'R' };
9
10export function card(s: string): Card {
11 if (s === 'BJ' || s === 'RJ') return { id: s === 'BJ' ? 116 : 117, suit: 'J', rank: s === 'BJ' ? 16 : 17 };
12 const rank = RANK[s.slice(1)] ?? Number(s.slice(1));
13 return { id: 'SHDC'.indexOf(s[0]) * 20 + rank, suit: s[0] as Suit, rank };
14}
15
16export const rankChar = (c: Card) => CHAR[c.rank] ?? String(c.rank);
17const value = (c: Card) => ORDER.indexOf(rankChar(c));
18
19/** big to small, as the card rooms hold a hand */
20export const sortHand = (cards: Card[]) => [...cards].sort((a, b) => value(b) - value(a) || a.id - b.id);
21
22/** the move a set of cards makes, written as RLCard writes it */
23export const moveOf = (cards: Card[]) =>
24 cards
25 .map(rankChar)
26 .sort((a, b) => ORDER.indexOf(a) - ORDER.indexOf(b))
27 .join('');
28
29export const isBomb = (m: string) => m === 'BR' || (m.length === 4 && new Set(m).size === 1);
30
31/** the cards of a hand that make a move, one per rank letter */
32export function cardsFor(hand: Card[], move: string): Card[] {
33 const left = [...hand];
34 const out: Card[] = [];
35 for (const r of move) {
36 const i = left.findIndex((c) => rankChar(c) === r);
37 if (i >= 0) out.push(...left.splice(i, 1));
38 }
39 return out;
40}
41
42export type Move = null | 'pass' | Card[];
43
44export interface View {
45 names: string[];
46 bots: boolean[];
47 landlord: number | null;
48 bottom: Card[];
49 hands: (Card[] | null)[];
50 counts: number[];
51 /** what each seat put down in the current trick */
52 moves: Move[];
53 turn: number | null;
54 played: Card[];
55 bombs: number;
56 step: number;
57 /** the effect of the move just made: 炸弹, 王炸, 春天 */
58 fx: string | null;
59 lastBy: number;
60 result: null | { landlordWon: boolean | null; points: number[]; spring: boolean };
61}
62
63export function blank(): View {
64 return {
65 names: ['player 0', 'player 1', 'player 2'],
66 bots: [false, false, false],
67 landlord: null,
68 bottom: [],
69 hands: [null, null, null],
70 counts: [0, 0, 0],
71 moves: [null, null, null],
72 turn: null,
73 played: [],
74 bombs: 0,
75 step: 0,
76 fx: null,
77 lastBy: -1,
78 result: null,
79 };
80}
81
82/** One move: the cards (or the pass) go in front of the seat; a seat whose play stood all round leads a new trick. */
83function apply(v: View, seat: number, cards: Card[] | null, move: string) {
84 if (v.lastBy === seat) v.moves = [null, null, null];
85 v.moves[seat] = cards ?? 'pass';
86 v.fx = null;
87 if (cards) {
88 v.lastBy = seat;
89 v.counts[seat] -= cards.length;
90 v.played.push(...cards);
91 if (isBomb(move)) {
92 v.bombs++;
93 v.fx = move === 'BR' ? '王炸' : '炸弹';
94 }
95 }
96 v.step++;
97 v.turn = (seat + 1) % 3;
98}
99
100export interface Replay {
101 initHands: string[];
102 landlordCards: string;
103 bottom?: string[];
104 moveHistory: { playerIdx: number; move: string }[];
105 landlordWon: boolean | null;
106 points: number[];
107 spring: boolean;
108 playerInfo?: { name: string }[];
109}
110
111/** the table after the first t moves of a replay */
112export function replayView(R: Replay, t: number): View {
113 const v = blank();
114 if (R.playerInfo) v.names = R.playerInfo.map((p) => p.name);
115 // RLCard deals each hand low to high and plays the first card of a rank it finds: taking them in that order gives
116 // the very cards it played
117 const hands = R.initHands.map((h) => h.split(' ').map(card));
118 v.landlord = 0;
119 v.bottom = R.bottom ? R.bottom.map(card) : cardsFor(hands[0], R.landlordCards); // older replays name ranks only
120 v.hands = hands;
121 v.counts = hands.map((h) => h.length);
122 v.turn = 0;
123 for (const m of R.moveHistory.slice(0, t)) {
124 const hand = hands[m.playerIdx];
125 let cards: Card[] | null = null;
126 if (m.move !== 'pass') {
127 cards = cardsFor(hand, m.move);
128 for (const c of cards) hand.splice(hand.indexOf(c), 1);
129 }
130 apply(v, m.playerIdx, cards, m.move);
131 }
132 if (t >= R.moveHistory.length) {
133 v.turn = null;
134 v.result = { landlordWon: R.landlordWon, points: R.points, spring: R.spring };
135 if (R.spring) v.fx = '春天';
136 } else v.turn = R.moveHistory[t].playerIdx;
137 return v;
138}
139
140/* eslint-disable @typescript-eslint/no-explicit-any */
141export interface Msg {
142 n: number;
143 to?: string;
144 version?: number;
145 obs?: any;
146 legal?: string[];
147 event?: any;
148 end?: { result: string; scores: Record<string, number> };
149}
150
151export interface Req {
152 seat: number;
153 version: number;
154 legal: string[];
155}
156
157/** the table from a room's messages in order, and the requests still open to the seats this viewer controls */
158export function liveView(msgs: Msg[], you: string[]): { v: View; reqs: Req[] } {
159 const v = blank();
160 const open: (Req | null)[] = [null, null, null];
161 let winner: string | null = null;
162 let spring = false;
163 for (const m of msgs) {
164 const e = m.event;
165 if (e) {
166 const s = Number(e.seat);
167 if (e.type === 'deal') {
168 v.landlord = Number(e.landlord);
169 v.bottom = e.bottom.map(card);
170 v.counts = [0, 1, 2].map((i) => e.left[i]);
171 for (const [k, p] of Object.entries<any>(e.seats ?? {})) {
172 v.names[Number(k)] = p.name;
173 v.bots[Number(k)] = p.kind === 'bot' || p.kind === 'auto';
174 }
175 v.turn = v.landlord;
176 } else if (e.type === 'play' || e.type === 'pass') {
177 const cards = e.type === 'play' ? (e.cards as string[]).map(card) : null;
178 const hand = v.hands[s];
179 if (hand && cards) v.hands[s] = hand.filter((c) => !cards.some((x) => x.id === c.id));
180 apply(v, s, cards, e.move ?? 'pass');
181 open[s] = null;
182 } else if (e.type === 'control') {
183 v.names[s] = e.name;
184 v.bots[s] = e.kind === 'bot' || e.kind === 'auto';
185 } else if (e.type === 'over') {
186 v.hands = [0, 1, 2].map((i) => (e.hands[i] as string[]).map(card));
187 winner = e.winner;
188 spring = !!e.spring;
189 }
190 } else if (m.end) {
191 v.turn = null;
192 v.result = {
193 landlordWon: winner === null ? null : winner === 'landlord',
194 points: [0, 1, 2].map((i) => m.end!.scores[i] ?? 0),
195 spring,
196 };
197 v.fx = spring ? '春天' : null;
198 } else if (m.to !== undefined && m.obs) {
199 const s = Number(m.to);
200 if (m.obs.hand) v.hands[s] = (m.obs.hand as string[]).map(card);
201 if (m.version !== undefined) open[s] = { seat: s, version: m.version, legal: m.legal ?? [] };
202 }
203 }
204 return { v, reqs: open.filter((r): r is Req => !!r && you.includes(String(r.seat))) };
205}