iceshrimp/src/server/api/stream/channels/games/reversi-game.ts

373 lines
9.6 KiB
TypeScript

import autobind from 'autobind-decorator';
import * as CRC32 from 'crc-32';
import { publishReversiGameStream } from '../../../../../services/stream';
import Reversi from '../../../../../games/reversi/core';
import * as maps from '../../../../../games/reversi/maps';
import Channel from '../../channel';
import { ReversiGame } from '../../../../../models/entities/games/reversi/game';
import { ReversiGames, Users } from '../../../../../models';
import { User } from '../../../../../models/entities/user';
export default class extends Channel {
public readonly chName = 'gamesReversiGame';
public static shouldShare = false;
public static requireCredential = false;
private gameId: ReversiGame['id'] | null = null;
private watchers: Record<User['id'], Date> = {};
private emitWatchersIntervalId: ReturnType<typeof setInterval>;
@autobind
public async init(params: any) {
this.gameId = params.gameId;
// Subscribe game stream
this.subscriber.on(`reversiGameStream:${this.gameId}`, this.onEvent);
this.emitWatchersIntervalId = setInterval(this.emitWatchers, 5000);
const game = await ReversiGames.findOne(this.gameId!);
if (game == null) throw new Error('game not found');
// 観戦者イベント
this.watch(game);
}
@autobind
private onEvent(data: any) {
if (data.type === 'watching') {
const id = data.body;
this.watchers[id] = new Date();
} else {
this.send(data);
}
}
@autobind
private async emitWatchers() {
const now = new Date();
// Remove not watching users
for (const [userId, date] of Object.entries(this.watchers)) {
if (now.getTime() - date.getTime() > 5000) delete this.watchers[userId];
}
const users = await Users.packMany(Object.keys(this.watchers), null, { detail: false });
this.send({
type: 'watchers',
body: users,
});
}
@autobind
public dispose() {
// Unsubscribe events
this.subscriber.off(`reversiGameStream:${this.gameId}`, this.onEvent);
clearInterval(this.emitWatchersIntervalId);
}
@autobind
public onMessage(type: string, body: any) {
switch (type) {
case 'accept': this.accept(true); break;
case 'cancelAccept': this.accept(false); break;
case 'updateSettings': this.updateSettings(body.key, body.value); break;
case 'initForm': this.initForm(body); break;
case 'updateForm': this.updateForm(body.id, body.value); break;
case 'message': this.message(body); break;
case 'set': this.set(body.pos); break;
case 'check': this.check(body.crc32); break;
}
}
@autobind
private async updateSettings(key: string, value: any) {
if (this.user == null) return;
const game = await ReversiGames.findOne(this.gameId!);
if (game == null) throw new Error('game not found');
if (game.isStarted) return;
if ((game.user1Id !== this.user.id) && (game.user2Id !== this.user.id)) return;
if ((game.user1Id === this.user.id) && game.user1Accepted) return;
if ((game.user2Id === this.user.id) && game.user2Accepted) return;
if (!['map', 'bw', 'isLlotheo', 'canPutEverywhere', 'loopedBoard'].includes(key)) return;
await ReversiGames.update(this.gameId!, {
[key]: value
});
publishReversiGameStream(this.gameId!, 'updateSettings', {
key: key,
value: value
});
}
@autobind
private async initForm(form: any) {
if (this.user == null) return;
const game = await ReversiGames.findOne(this.gameId!);
if (game == null) throw new Error('game not found');
if (game.isStarted) return;
if ((game.user1Id !== this.user.id) && (game.user2Id !== this.user.id)) return;
const set = game.user1Id === this.user.id ? {
form1: form
} : {
form2: form
};
await ReversiGames.update(this.gameId!, set);
publishReversiGameStream(this.gameId!, 'initForm', {
userId: this.user.id,
form
});
}
@autobind
private async updateForm(id: string, value: any) {
if (this.user == null) return;
const game = await ReversiGames.findOne(this.gameId!);
if (game == null) throw new Error('game not found');
if (game.isStarted) return;
if ((game.user1Id !== this.user.id) && (game.user2Id !== this.user.id)) return;
const form = game.user1Id === this.user.id ? game.form2 : game.form1;
const item = form.find((i: any) => i.id == id);
if (item == null) return;
item.value = value;
const set = game.user1Id === this.user.id ? {
form2: form
} : {
form1: form
};
await ReversiGames.update(this.gameId!, set);
publishReversiGameStream(this.gameId!, 'updateForm', {
userId: this.user.id,
id,
value
});
}
@autobind
private async message(message: any) {
if (this.user == null) return;
message.id = Math.random();
publishReversiGameStream(this.gameId!, 'message', {
userId: this.user.id,
message
});
}
@autobind
private async accept(accept: boolean) {
if (this.user == null) return;
const game = await ReversiGames.findOne(this.gameId!);
if (game == null) throw new Error('game not found');
if (game.isStarted) return;
let bothAccepted = false;
if (game.user1Id === this.user.id) {
await ReversiGames.update(this.gameId!, {
user1Accepted: accept
});
publishReversiGameStream(this.gameId!, 'changeAccepts', {
user1: accept,
user2: game.user2Accepted
});
if (accept && game.user2Accepted) bothAccepted = true;
} else if (game.user2Id === this.user.id) {
await ReversiGames.update(this.gameId!, {
user2Accepted: accept
});
publishReversiGameStream(this.gameId!, 'changeAccepts', {
user1: game.user1Accepted,
user2: accept
});
if (accept && game.user1Accepted) bothAccepted = true;
} else {
return;
}
if (bothAccepted) {
// 3秒後、まだacceptされていたらゲーム開始
setTimeout(async () => {
const freshGame = await ReversiGames.findOne(this.gameId!);
if (freshGame == null || freshGame.isStarted || freshGame.isEnded) return;
if (!freshGame.user1Accepted || !freshGame.user2Accepted) return;
let bw: number;
if (freshGame.bw == 'random') {
bw = Math.random() > 0.5 ? 1 : 2;
} else {
bw = parseInt(freshGame.bw, 10);
}
function getRandomMap() {
const mapCount = Object.entries(maps).length;
const rnd = Math.floor(Math.random() * mapCount);
return Object.values(maps)[rnd].data;
}
const map = freshGame.map != null ? freshGame.map : getRandomMap();
await ReversiGames.update(this.gameId!, {
startedAt: new Date(),
isStarted: true,
black: bw,
map: map
});
//#region 盤面に最初から石がないなどして始まった瞬間に勝敗が決定する場合があるのでその処理
const o = new Reversi(map, {
isLlotheo: freshGame.isLlotheo,
canPutEverywhere: freshGame.canPutEverywhere,
loopedBoard: freshGame.loopedBoard
});
if (o.isEnded) {
let winner;
if (o.winner === true) {
winner = freshGame.black == 1 ? freshGame.user1Id : freshGame.user2Id;
} else if (o.winner === false) {
winner = freshGame.black == 1 ? freshGame.user2Id : freshGame.user1Id;
} else {
winner = null;
}
await ReversiGames.update(this.gameId!, {
isEnded: true,
winnerId: winner
});
publishReversiGameStream(this.gameId!, 'ended', {
winnerId: winner,
game: await ReversiGames.pack(this.gameId!, this.user)
});
}
//#endregion
publishReversiGameStream(this.gameId!, 'started',
await ReversiGames.pack(this.gameId!, this.user));
}, 3000);
}
}
// 石を打つ
@autobind
private async set(pos: number) {
if (this.user == null) return;
const game = await ReversiGames.findOne(this.gameId!);
if (game == null) throw new Error('game not found');
if (!game.isStarted) return;
if (game.isEnded) return;
if ((game.user1Id !== this.user.id) && (game.user2Id !== this.user.id)) return;
const myColor =
((game.user1Id === this.user.id) && game.black == 1) || ((game.user2Id === this.user.id) && game.black == 2)
? true
: false;
const o = new Reversi(game.map, {
isLlotheo: game.isLlotheo,
canPutEverywhere: game.canPutEverywhere,
loopedBoard: game.loopedBoard
});
// 盤面の状態を再生
for (const log of game.logs) {
o.put(log.color, log.pos);
}
if (o.turn !== myColor) return;
if (!o.canPut(myColor, pos)) return;
o.put(myColor, pos);
let winner;
if (o.isEnded) {
if (o.winner === true) {
winner = game.black == 1 ? game.user1Id : game.user2Id;
} else if (o.winner === false) {
winner = game.black == 1 ? game.user2Id : game.user1Id;
} else {
winner = null;
}
}
const log = {
at: new Date(),
color: myColor,
pos
};
const crc32 = CRC32.str(game.logs.map(x => x.pos.toString()).join('') + pos.toString()).toString();
game.logs.push(log);
await ReversiGames.update(this.gameId!, {
crc32,
isEnded: o.isEnded,
winnerId: winner,
logs: game.logs
});
publishReversiGameStream(this.gameId!, 'set', Object.assign(log, {
next: o.turn
}));
if (o.isEnded) {
publishReversiGameStream(this.gameId!, 'ended', {
winnerId: winner,
game: await ReversiGames.pack(this.gameId!, this.user)
});
}
}
@autobind
private async check(crc32: string | number) {
const game = await ReversiGames.findOne(this.gameId!);
if (game == null) throw new Error('game not found');
if (!game.isStarted) return;
if (crc32.toString() !== game.crc32) {
this.send('rescue', await ReversiGames.pack(game, this.user));
}
// ついでに観戦者イベントを発行
this.watch(game);
}
@autobind
private watch(game: ReversiGame) {
if (this.user != null) {
if ((game.user1Id !== this.user.id) && (game.user2Id !== this.user.id)) {
publishReversiGameStream(this.gameId!, 'watching', this.user.id);
}
}
}
}