enhance(reversi): tweak reversi

packages/misskey-reversi/src/serializer.ts

@@ -0,0 +1,98 @@
+/*
+ * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+import { Game } from './game.js';
+
+export type Log = {
+	time: number;
+	player: boolean;
+	operation: 'put';
+	pos: number;
+};
+
+export type SerializedLog = number[];
+
+export function serializeLogs(logs: Log[]) {
+	const _logs: number[][] = [];
+
+	for (let i = 0; i < logs.length; i++) {
+		const log = logs[i];
+		const timeDelta = i === 0 ? log.time : log.time - logs[i - 1].time;
+
+		switch (log.operation) {
+			case 'put':
+				_logs.push([timeDelta, log.player ? 1 : 0, 0, log.pos]);
+				break;
+			//case 'surrender':
+			//	_logs.push([timeDelta, log.player, 1]);
+			//	break;
+		}
+	}
+
+	return _logs;
+}
+
+export function deserializeLogs(logs: SerializedLog[]) {
+	const _logs: Log[] = [];
+
+	let time = 0;
+
+	for (const log of logs) {
+		const timeDelta = log[0];
+		time += timeDelta;
+
+		const player = log[1];
+		const operation = log[2];
+
+		switch (operation) {
+			case 0:
+				_logs.push({
+					time,
+					player: player === 1,
+					operation: 'put',
+					pos: log[3],
+				});
+				break;
+			//case 1:
+			//	_logs.push({
+			//		time,
+			//		player: player === 1,
+			//		operation: 'surrender',
+			//	});
+			//	break;
+		}
+	}
+
+	return _logs;
+}
+
+export function restoreGame(env: {
+	map: string[];
+	isLlotheo: boolean;
+	canPutEverywhere: boolean;
+	loopedBoard: boolean;
+	logs: SerializedLog[];
+}) {
+	const logs = deserializeLogs(env.logs);
+
+	const game = new Game(env.map, {
+		isLlotheo: env.isLlotheo,
+		canPutEverywhere: env.canPutEverywhere,
+		loopedBoard: env.loopedBoard,
+	});
+
+	for (const log of logs) {
+		switch (log.operation) {
+			case 'put':
+				game.putStone(log.pos);
+				break;
+			//case 'surrender':
+			//	game.surrender(log.player);
+			//	break;
+		}
+	}
+
+	return game;
+}