Merge pull request #1197 from syuilo/othello

Othello

1 files changed, 86 insertions, 0 deletions

diff --git a/src/api/stream/othello-game.ts b/src/api/stream/othello-game.ts
new file mode 100644
index 0000000000..59d964777d
--- /dev/null
+++ b/src/api/stream/othello-game.ts
@@ -0,0 +1,86 @@
+import * as websocket from 'websocket';
+import * as redis from 'redis';
+import Game from '../models/othello-game';
+import { publishOthelloGameStream } from '../event';
+import Othello from '../../common/othello';
+
+export default function(request: websocket.request, connection: websocket.connection, subscriber: redis.RedisClient, user: any): void {
+	const gameId = request.resourceURL.query.game;
+
+	// Subscribe game stream
+	subscriber.subscribe(`misskey:othello-game-stream:${gameId}`);
+	subscriber.on('message', (_, data) => {
+		connection.send(data);
+	});
+
+	connection.on('message', async (data) => {
+		const msg = JSON.parse(data.utf8Data);
+
+		switch (msg.type) {
+			case 'set':
+				if (msg.pos == null) return;
+				set(msg.pos);
+				break;
+		}
+	});
+
+	async function set(pos) {
+		const game = await Game.findOne({ _id: gameId });
+
+		if (game.is_ended) return;
+
+		const o = new Othello();
+
+		game.logs.forEach(log => {
+			o.set(log.color, log.pos);
+		});
+
+		const myColor = game.black_user_id.equals(user._id) ? 'black' : 'white';
+		const opColor = myColor == 'black' ? 'white' : 'black';
+
+		if (!o.canReverse(myColor, pos)) return;
+		o.set(myColor, pos);
+
+		let turn;
+		if (o.getPattern(opColor).length > 0) {
+			turn = myColor == 'black' ? game.white_user_id : game.black_user_id;
+		} else if (o.getPattern(myColor).length > 0) {
+			turn = myColor == 'black' ? game.black_user_id : game.white_user_id;
+		} else {
+			turn = null;
+		}
+
+		const isEnded = turn === null;
+
+		let winner;
+		if (isEnded) {
+			const blackCount = o.board.filter(s => s == 'black').length;
+			const whiteCount = o.board.filter(s => s == 'white').length;
+			winner = blackCount == whiteCount ? null : blackCount > whiteCount ? game.black_user_id : game.white_user_id;
+		}
+
+		const log = {
+			at: new Date(),
+			color: myColor,
+			pos
+		};
+
+		await Game.update({
+			_id: gameId
+		}, {
+			$set: {
+				turn_user_id: turn,
+				is_ended: isEnded,
+				winner_id: winner
+			},
+			$push: {
+				logs: log
+			}
+		});
+
+		publishOthelloGameStream(gameId, 'set', {
+			color: myColor,
+			pos
+		});
+	}
+}