111 lines
3.5 KiB
JavaScript
111 lines
3.5 KiB
JavaScript
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/**
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* 离线游戏使用本地存储扩展。
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* 开启本拓展后，将会把所有存档存至 _saves 目录下。
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* 需配合样板V2.8.2+使用
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*/
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"use strict";
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(function () {
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// 将这一行改成 false 可以禁用本拓展
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var __enabled = true;
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if (window.jsinterface || !window.fs || !__enabled) return;
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function rewrite() {
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core.utils._setLocalForage_set = function (name, str, callback) {
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var data = LZString.compressToBase64(str);
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core.saves.cache[name] = data;
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fs.writeFile('_saves/' + name, data, 'utf-8', callback);
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}
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core.utils._getLocalForage_get = function (name, callback) {
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fs.readFile('_saves/' + name, 'utf-8', function (err, data) {
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if (err) return callback(err);
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callback(null, data);
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});
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}
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core.utils.decompress = function (data) {
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try {
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return JSON.parse(LZString.decompressFromBase64(data))
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} catch (e) {
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return null;
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}
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}
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core.utils._removeLocalForage_remove = function (name, callback) {
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fs.deleteFile('_saves/' + name, callback);
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}
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core.utils.clearLocalForage = function (callback) {
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fs.deleteFile('_saves', function () {
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fs.mkdir('_saves', callback);
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})
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}
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core.utils.iterateLocalForage = function (iter, callback) {
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fs.readdir('_saves', function (err, data) {
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if (err) callback(err);
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else {
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data.forEach(function (one) {
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iter(null, one, null);
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});
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callback();
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}
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});
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}
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core.utils.keysLocalForage = function (callback) {
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fs.readdir('_saves', callback);
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}
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core.utils.lengthLocalForage = function (callback) {
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fs.readdir('_saves', function (err, data) {
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if (err) callback(err);
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else callback(null, data.length);
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});
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}
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}
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var _export = function () {
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var toExport = [];
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localforage.iterate(function (value, key, n) {
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if (value == null || !key.startsWith(core.firstData.name)) return;
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value = core.decompress(value);
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if (value == null) return;
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var str = JSON.stringify(value).replace(/[\u007F-\uFFFF]/g, function (chr) {
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return "\\u" + ("0000" + chr.charCodeAt(0).toString(16)).substr(-4)
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});
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str = LZString.compressToBase64(str);
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toExport.push(key);
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core.saves.cache[key] = str;
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fs.writeFile('_saves/' + key, str, 'utf-8', function () {});
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}, function () {
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if (toExport.length > 0) {
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alert('提示！本塔已开启存档本地化！原始存档已全部导出至 _saves/ 目录下。');
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}
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fs.writeFile('_saves/.exported', '1', 'utf-8', function () {});
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rewrite();
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core.control.getSaveIndexes(function (indexes) { core.saves.ids = indexes; });
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});
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}
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fs.mkdir('_saves', function (err) {
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if (err) return;
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fs.readFile('_saves/.exported', 'utf-8', function(err, data) {
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if (!err && data) {
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rewrite();
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core.control.getSaveIndexes(function (indexes) { core.saves.ids = indexes; });
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return;
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}
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_export();
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});
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});
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})();
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