rpg_managers.js

//=============================================================================
// rpg_managers.js v1.1.0
//=============================================================================

//
//-----------------------------------------------------------------------------
// DataManager
// 数据文件加载器  加载ide导出的json文件然后解析，加载完成之后就分发数据给不同的子管理器
// The static class that manages the database and game objects.

//数据管理器
function DataManager() {
    throw new Error('This is a static class');
}

//分类的数据集合
var $dataActors = null;
var $dataClasses = null;
var $dataSkills = null;
var $dataItems = null;
var $dataWeapons = null;
var $dataArmors = null;
var $dataEnemies = null;
var $dataTroops = null;
var $dataStates = null;
var $dataAnimations = null;
var $dataTilesets = null;
var $dataCommonEvents = null;
var $dataSystem = null;
var $dataMapInfos = null;
var $dataMap = null;

//单例对象 各种管理器
var $gameTemp = null;
var $gameSystem = null;
var $gameScreen = null;
var $gameTimer = null;
var $gameMessage = null;
var $gameSwitches = null;
var $gameVariables = null;
var $gameSelfSwitches = null;
var $gameActors = null;
var $gameParty = null;
var $gameTroop = null;
var $gameMap = null;
var $gamePlayer = null;
var $testEvent = null;

DataManager._globalId = 'RPGMV';
DataManager._lastAccessedId = 1;
DataManager._errorUrl = null;

//一份映射
//其实我感觉应该单独再单独写一份json文件保存映射，然后加载那个文件做二段parse，而不是像这样把映射写死在代码里
DataManager._databaseFiles = [
    {name: '$dataActors', src: 'Actors.json'},
    {name: '$dataClasses', src: 'Classes.json'},
    {name: '$dataSkills', src: 'Skills.json'},
    {name: '$dataItems', src: 'Items.json'},
    {name: '$dataWeapons', src: 'Weapons.json'},
    {name: '$dataArmors', src: 'Armors.json'},
    {name: '$dataEnemies', src: 'Enemies.json'},
    {name: '$dataTroops', src: 'Troops.json'},
    {name: '$dataStates', src: 'States.json'},
    {name: '$dataAnimations', src: 'Animations.json'},
    {name: '$dataTilesets', src: 'Tilesets.json'},
    {name: '$dataCommonEvents', src: 'CommonEvents.json'},
    {name: '$dataSystem', src: 'System.json'},
    {name: '$dataMapInfos', src: 'MapInfos.json'}
];

/**
 * 加载json数据
 */
DataManager.loadDatabase = function () {
    //现在是否在测试?
    var test = this.isBattleTest() || this.isEventTest();
    //设置前缀
    var prefix = test ? 'Test_' : '';
    //加载数据文件
    for (var i = 0; i < this._databaseFiles.length; i++) {
        var name = this._databaseFiles[i].name;
        var src = this._databaseFiles[i].src;
        this.loadDataFile(name, prefix + src);
    }
    //事件测试额外加载一份测试事件数据
    if (this.isEventTest()) {
        this.loadDataFile('$testEvent', prefix + 'Event.json');
    }
};

/**
 * 加载所有数据文件
 * @param name
 * @param src
 */
DataManager.loadDataFile = function (name, src) {
    //不懂他为何每次都要写一遍网络请求而不弄一个工具类？
    var xhr = new XMLHttpRequest();
    var url = 'data/' + src;
    xhr.open('GET', url);
    xhr.overrideMimeType('application/json');
    xhr.onload = function () {
        //这里其实有点问题，因为200-299的返回值在http协议里才是有正常的响应,300-399是重定位
        if (xhr.status < 400) {
            //这里直接把加载完成返回的js代码文本挂载到window上了？
            window[name] = JSON.parse(xhr.responseText);
            DataManager.onLoad(window[name]);
        }
    };
    //如果错误的话将该url设置为_errorUrl
    xhr.onerror = function () {
        DataManager._errorUrl = DataManager._errorUrl || url;
    };

    window[name] = null;
    xhr.send();
};

/**
 * 是否所有数据加载完成
 * @returns {boolean}
 */
DataManager.isDatabaseLoaded = function () {
    this.checkError();
    for (var i = 0; i < this._databaseFiles.length; i++) {
        if (!window[this._databaseFiles[i].name]) {
            return false;
        }
    }
    return true;
};

/**
 * 加载地图数据
 * @param mapId
 */
DataManager.loadMapData = function (mapId) {
    //如果mapid大于0(在ide中导出的地图id都大于0)，则加载该地图，否则返回一份空地图(为什么它不报错- -)
    if (mapId > 0) {
        var filename = 'Map%1.json'.format(mapId.padZero(3));
        this.loadDataFile('$dataMap', filename);
    } else {
        this.makeEmptyMap();
    }
};

DataManager.makeEmptyMap = function () {
    $dataMap = {};
    $dataMap.data = [];
    $dataMap.events = [];
    $dataMap.width = 100;
    $dataMap.height = 100;
    $dataMap.scrollType = 3;
};

DataManager.isMapLoaded = function () {
    this.checkError();
    return !!$dataMap;
};

/**
 * 处理加载进来的数据文件
 * @param object
 */
DataManager.onLoad = function (object) {
    var array;
    if (object === $dataMap) {
        this.extractMetadata(object);
        array = object.events;
    } else {
        array = object;
    }
    if (Array.isArray(array)) {
        for (var i = 0; i < array.length; i++) {
            var data = array[i];
            if (data && data.note !== undefined) {
                this.extractMetadata(data);
            }
        }
    }
};

/**
 * 抽取元数据
 * @param data
 */
DataManager.extractMetadata = function (data) {
    var re = /<([^<>:]+)(:?)([^>]*)>/g;
    data.meta = {};
    for (; ;) {
        var match = re.exec(data.note);
        if (match) {
            if (match[2] === ':') {
                data.meta[match[1]] = match[3];
            } else {
                data.meta[match[1]] = true;
            }
        } else {
            break;
        }
    }
};

DataManager.checkError = function () {
    if (DataManager._errorUrl) {
        throw new Error('Failed to load: ' + DataManager._errorUrl);
    }
};

DataManager.isBattleTest = function () {
    return Utils.isOptionValid('btest');
};

DataManager.isEventTest = function () {
    return Utils.isOptionValid('etest');
};

DataManager.isSkill = function (item) {
    return item && $dataSkills.contains(item);
};

DataManager.isItem = function (item) {
    return item && $dataItems.contains(item);
};

DataManager.isWeapon = function (item) {
    return item && $dataWeapons.contains(item);
};

DataManager.isArmor = function (item) {
    return item && $dataArmors.contains(item);
};

/**
 * 初始化子数据管理器
 */
DataManager.createGameObjects = function () {
    $gameTemp = new Game_Temp();
    $gameSystem = new Game_System();
    $gameScreen = new Game_Screen();
    $gameTimer = new Game_Timer();
    $gameMessage = new Game_Message();
    $gameSwitches = new Game_Switches();
    $gameVariables = new Game_Variables();
    $gameSelfSwitches = new Game_SelfSwitches();
    $gameActors = new Game_Actors();
    $gameParty = new Game_Party();
    $gameTroop = new Game_Troop();
    $gameMap = new Game_Map();
    $gamePlayer = new Game_Player();
};

//初始化游戏数据
DataManager.setupNewGame = function () {
    //创建子游戏数据集
    this.createGameObjects();
    //加载存档文件
    this.selectSavefileForNewGame();
    $gameParty.setupStartingMembers();
    $gamePlayer.reserveTransfer($dataSystem.startMapId,
        $dataSystem.startX, $dataSystem.startY);
    Graphics.frameCount = 0;
};

DataManager.setupBattleTest = function () {
    this.createGameObjects();
    $gameParty.setupBattleTest();
    BattleManager.setup($dataSystem.testTroopId, true, false);
    BattleManager.setBattleTest(true);
    BattleManager.playBattleBgm();
};

DataManager.setupEventTest = function () {
    this.createGameObjects();
    this.selectSavefileForNewGame();
    $gameParty.setupStartingMembers();
    $gamePlayer.reserveTransfer(-1, 8, 6);
    $gamePlayer.setTransparent(false);
};

DataManager.loadGlobalInfo = function () {
    var json;
    try {
        json = StorageManager.load(0);
    } catch (e) {
        console.error(e);
        return [];
    }
    if (json) {
        var globalInfo = JSON.parse(json);
        for (var i = 1; i <= this.maxSavefiles(); i++) {
            if (!StorageManager.exists(i)) {
                delete globalInfo[i];
            }
        }
        return globalInfo;
    } else {
        return [];
    }
};

DataManager.saveGlobalInfo = function (info) {
    StorageManager.save(0, JSON.stringify(info));
};

DataManager.isThisGameFile = function (savefileId) {
    var globalInfo = this.loadGlobalInfo();
    if (globalInfo && globalInfo[savefileId]) {
        if (StorageManager.isLocalMode()) {
            return true;
        } else {
            var savefile = globalInfo[savefileId];
            return (savefile.globalId === this._globalId &&
                savefile.title === $dataSystem.gameTitle);
        }
    } else {
        return false;
    }
};

DataManager.isAnySavefileExists = function () {
    var globalInfo = this.loadGlobalInfo();
    if (globalInfo) {
        for (var i = 1; i < globalInfo.length; i++) {
            if (this.isThisGameFile(i)) {
                return true;
            }
        }
    }
    return false;
};

DataManager.latestSavefileId = function () {
    var globalInfo = this.loadGlobalInfo();
    var savefileId = 1;
    var timestamp = 0;
    if (globalInfo) {
        for (var i = 1; i < globalInfo.length; i++) {
            if (this.isThisGameFile(i) && globalInfo[i].timestamp > timestamp) {
                timestamp = globalInfo[i].timestamp;
                savefileId = i;
            }
        }
    }
    return savefileId;
};

DataManager.loadAllSavefileImages = function () {
    var globalInfo = this.loadGlobalInfo();
    if (globalInfo) {
        for (var i = 1; i < globalInfo.length; i++) {
            if (this.isThisGameFile(i)) {
                var info = globalInfo[i];
                this.loadSavefileImages(info);
            }
        }
    }
};

DataManager.loadSavefileImages = function (info) {
    if (info.characters) {
        for (var i = 0; i < info.characters.length; i++) {
            ImageManager.loadCharacter(info.characters[i][0]);
        }
    }
    if (info.faces) {
        for (var j = 0; j < info.faces.length; j++) {
            ImageManager.loadFace(info.faces[j][0]);
        }
    }
};

DataManager.maxSavefiles = function () {
    return 20;
};

DataManager.saveGame = function (savefileId) {
    try {
        StorageManager.backup(savefileId);
        return this.saveGameWithoutRescue(savefileId);
    } catch (e) {
        console.error(e);
        try {
            StorageManager.remove(savefileId);
            StorageManager.restoreBackup(savefileId);
        } catch (e2) {
        }
        return false;
    }
};

DataManager.loadGame = function (savefileId) {
    try {
        return this.loadGameWithoutRescue(savefileId);
    } catch (e) {
        console.error(e);
        return false;
    }
};

DataManager.loadSavefileInfo = function (savefileId) {
    var globalInfo = this.loadGlobalInfo();
    return (globalInfo && globalInfo[savefileId]) ? globalInfo[savefileId] : null;
};

DataManager.lastAccessedSavefileId = function () {
    return this._lastAccessedId;
};

DataManager.saveGameWithoutRescue = function (savefileId) {
    var json = JsonEx.stringify(this.makeSaveContents());
    if (json.length >= 200000) {
        console.warn('Save data too big!');
    }
    StorageManager.save(savefileId, json);
    this._lastAccessedId = savefileId;
    var globalInfo = this.loadGlobalInfo() || [];
    globalInfo[savefileId] = this.makeSavefileInfo();
    this.saveGlobalInfo(globalInfo);
    return true;
};

DataManager.loadGameWithoutRescue = function (savefileId) {
    var globalInfo = this.loadGlobalInfo();
    if (this.isThisGameFile(savefileId)) {
        var json = StorageManager.load(savefileId);
        this.createGameObjects();
        this.extractSaveContents(JsonEx.parse(json));
        this._lastAccessedId = savefileId;
        return true;
    } else {
        return false;
    }
};

DataManager.selectSavefileForNewGame = function () {
    var globalInfo = this.loadGlobalInfo();
    this._lastAccessedId = 1;
    if (globalInfo) {
        var numSavefiles = Math.max(0, globalInfo.length - 1);
        if (numSavefiles < this.maxSavefiles()) {
            this._lastAccessedId = numSavefiles + 1;
        } else {
            var timestamp = Number.MAX_VALUE;
            for (var i = 1; i < globalInfo.length; i++) {
                if (!globalInfo[i]) {
                    this._lastAccessedId = i;
                    break;
                }
                if (globalInfo[i].timestamp < timestamp) {
                    timestamp = globalInfo[i].timestamp;
                    this._lastAccessedId = i;
                }
            }
        }
    }
};

DataManager.makeSavefileInfo = function () {
    var info = {};
    info.globalId = this._globalId;
    info.title = $dataSystem.gameTitle;
    info.characters = $gameParty.charactersForSavefile();
    info.faces = $gameParty.facesForSavefile();
    info.playtime = $gameSystem.playtimeText();
    info.timestamp = Date.now();
    return info;
};

DataManager.makeSaveContents = function () {
    // A save data does not contain $gameTemp, $gameMessage, and $gameTroop.
    var contents = {};
    contents.system = $gameSystem;
    contents.screen = $gameScreen;
    contents.timer = $gameTimer;
    contents.switches = $gameSwitches;
    contents.variables = $gameVariables;
    contents.selfSwitches = $gameSelfSwitches;
    contents.actors = $gameActors;
    contents.party = $gameParty;
    contents.map = $gameMap;
    contents.player = $gamePlayer;
    return contents;
};

DataManager.extractSaveContents = function (contents) {
    $gameSystem = contents.system;
    $gameScreen = contents.screen;
    $gameTimer = contents.timer;
    $gameSwitches = contents.switches;
    $gameVariables = contents.variables;
    $gameSelfSwitches = contents.selfSwitches;
    $gameActors = contents.actors;
    $gameParty = contents.party;
    $gameMap = contents.map;
    $gamePlayer = contents.player;
};

//-----------------------------------------------------------------------------
// ConfigManager
//
// The static class that manages the configuration data.

function ConfigManager() {
    throw new Error('This is a static class');
}

ConfigManager.alwaysDash = false;
ConfigManager.commandRemember = false;

Object.defineProperty(ConfigManager, 'bgmVolume', {
    get: function () {
        return AudioManager._bgmVolume;
    },
    set: function (value) {
        AudioManager.bgmVolume = value;
    },
    configurable: true
});

Object.defineProperty(ConfigManager, 'bgsVolume', {
    get: function () {
        return AudioManager.bgsVolume;
    },
    set: function (value) {
        AudioManager.bgsVolume = value;
    },
    configurable: true
});

Object.defineProperty(ConfigManager, 'meVolume', {
    get: function () {
        return AudioManager.meVolume;
    },
    set: function (value) {
        AudioManager.meVolume = value;
    },
    configurable: true
});

Object.defineProperty(ConfigManager, 'seVolume', {
    get: function () {
        return AudioManager.seVolume;
    },
    set: function (value) {
        AudioManager.seVolume = value;
    },
    configurable: true
});

ConfigManager.load = function () {
    var json;
    var config = {};
    try {
        json = StorageManager.load(-1);
    } catch (e) {
        console.error(e);
    }
    if (json) {
        config = JSON.parse(json);
    }
    this.applyData(config);
};

ConfigManager.save = function () {
    StorageManager.save(-1, JSON.stringify(this.makeData()));
};

ConfigManager.makeData = function () {
    var config = {};
    config.alwaysDash = this.alwaysDash;
    config.commandRemember = this.commandRemember;
    config.bgmVolume = this.bgmVolume;
    config.bgsVolume = this.bgsVolume;
    config.meVolume = this.meVolume;
    config.seVolume = this.seVolume;
    return config;
};

ConfigManager.applyData = function (config) {
    this.alwaysDash = this.readFlag(config, 'alwaysDash');
    this.commandRemember = this.readFlag(config, 'commandRemember');
    this.bgmVolume = this.readVolume(config, 'bgmVolume');
    this.bgsVolume = this.readVolume(config, 'bgsVolume');
    this.meVolume = this.readVolume(config, 'meVolume');
    this.seVolume = this.readVolume(config, 'seVolume');
};

ConfigManager.readFlag = function (config, name) {
    return !!config[name];
};

ConfigManager.readVolume = function (config, name) {
    var value = config[name];
    if (value !== undefined) {
        return Number(value).clamp(0, 100);
    } else {
        return 100;
    }
};

//-----------------------------------------------------------------------------
// StorageManager
//存档管理器
// The static class that manages storage for saving game data.

function StorageManager() {
    throw new Error('This is a static class');
}

StorageManager.save = function (savefileId, json) {
    if (this.isLocalMode()) {
        this.saveToLocalFile(savefileId, json);
    } else {
        this.saveToWebStorage(savefileId, json);
    }
};

StorageManager.load = function (savefileId) {
    if (this.isLocalMode()) {
        return this.loadFromLocalFile(savefileId);
    } else {
        return this.loadFromWebStorage(savefileId);
    }
};

StorageManager.exists = function (savefileId) {
    if (this.isLocalMode()) {
        return this.localFileExists(savefileId);
    } else {
        return this.webStorageExists(savefileId);
    }
};

StorageManager.remove = function (savefileId) {
    if (this.isLocalMode()) {
        this.removeLocalFile(savefileId);
    } else {
        this.removeWebStorage(savefileId);
    }
};

StorageManager.backup = function (savefileId) {
    if (this.exists(savefileId)) {
        if (this.isLocalMode()) {
            var data = this.loadFromLocalFile(savefileId);
            var compressed = LZString.compressToBase64(data);
            var fs = require('fs');
            var dirPath = this.localFileDirectoryPath();
            var filePath = this.localFilePath(savefileId) + ".bak";
            if (!fs.existsSync(dirPath)) {
                fs.mkdirSync(dirPath);
            }
            fs.writeFileSync(filePath, compressed);
        } else {
            var data = this.loadFromWebStorage(savefileId);
            var compressed = LZString.compressToBase64(data);
            var key = this.webStorageKey(savefileId) + "bak";
            localStorage.setItem(key, compressed);
        }
    }
};

StorageManager.backupExists = function (savefileId) {
    if (this.isLocalMode()) {
        return this.localFileBackupExists(savefileId);
    } else {
        return this.webStorageBackupExists(savefileId);
    }
};

StorageManager.cleanBackup = function (savefileId) {
    if (this.backupExists(savefileId)) {
        if (this.isLocalMode()) {
            var fs = require('fs');
            var dirPath = this.localFileDirectoryPath();
            var filePath = this.localFilePath(savefileId);
            fs.unlinkSync(filePath + ".bak");
        } else {
            var key = this.webStorageKey(savefileId);
            localStorage.removeItem(key + "bak");
        }
    }
};

StorageManager.restoreBackup = function (savefileId) {
    if (this.backupExists(savefileId)) {
        if (this.isLocalMode()) {
            var data = this.loadFromLocalBackupFile(savefileId);
            var compressed = LZString.compressToBase64(data);
            var fs = require('fs');
            var dirPath = this.localFileDirectoryPath();
            var filePath = this.localFilePath(savefileId);
            if (!fs.existsSync(dirPath)) {
                fs.mkdirSync(dirPath);
            }
            fs.writeFileSync(filePath, compressed);
            fs.unlinkSync(filePath + ".bak");
        } else {
            var data = this.loadFromWebStorageBackup(savefileId);
            var compressed = LZString.compressToBase64(data);
            var key = this.webStorageKey(savefileId);
            localStorage.setItem(key, compressed);
            localStorage.removeItem(key + "bak", "");
        }
    }
};

StorageManager.isLocalMode = function () {
    return Utils.isNwjs();
};

StorageManager.saveToLocalFile = function (savefileId, json) {
    var data = LZString.compressToBase64(json);
    var fs = require('fs');
    var dirPath = this.localFileDirectoryPath();
    var filePath = this.localFilePath(savefileId);
    if (!fs.existsSync(dirPath)) {
        fs.mkdirSync(dirPath);
    }
    fs.writeFileSync(filePath, data);
};

StorageManager.loadFromLocalFile = function (savefileId) {
    var data = null;
    var fs = require('fs');
    var filePath = this.localFilePath(savefileId);
    if (fs.existsSync(filePath)) {
        data = fs.readFileSync(filePath, {encoding: 'utf8'});
    }
    return LZString.decompressFromBase64(data);
};

StorageManager.loadFromLocalBackupFile = function (savefileId) {
    var data = null;
    var fs = require('fs');
    var filePath = this.localFilePath(savefileId) + ".bak";
    if (fs.existsSync(filePath)) {
        data = fs.readFileSync(filePath, {encoding: 'utf8'});
    }
    return LZString.decompressFromBase64(data);
};

StorageManager.localFileBackupExists = function (savefileId) {
    var fs = require('fs');
    return fs.existsSync(this.localFilePath(savefileId) + ".bak");
};

StorageManager.localFileExists = function (savefileId) {
    var fs = require('fs');
    return fs.existsSync(this.localFilePath(savefileId));
};

StorageManager.removeLocalFile = function (savefileId) {
    var fs = require('fs');
    var filePath = this.localFilePath(savefileId);
    if (fs.existsSync(filePath)) {
        fs.unlinkSync(filePath);
    }
};

StorageManager.saveToWebStorage = function (savefileId, json) {
    var key = this.webStorageKey(savefileId);
    var data = LZString.compressToBase64(json);
    localStorage.setItem(key, data);
};

StorageManager.loadFromWebStorage = function (savefileId) {
    var key = this.webStorageKey(savefileId);
    var data = localStorage.getItem(key);
    return LZString.decompressFromBase64(data);
};

StorageManager.loadFromWebStorageBackup = function (savefileId) {
    var key = this.webStorageKey(savefileId) + "bak";
    var data = localStorage.getItem(key);
    return LZString.decompressFromBase64(data);
};

StorageManager.webStorageBackupExists = function (savefileId) {
    var key = this.webStorageKey(savefileId) + "bak";
    return !!localStorage.getItem(key);
};

StorageManager.webStorageExists = function (savefileId) {
    var key = this.webStorageKey(savefileId);
    return !!localStorage.getItem(key);
};

StorageManager.removeWebStorage = function (savefileId) {
    var key = this.webStorageKey(savefileId);
    localStorage.removeItem(key);
};

StorageManager.localFileDirectoryPath = function () {
    var path = window.location.pathname.replace(/(\/www|)\/[^\/]*$/, '/save/');
    if (path.match(/^\/([A-Z]\:)/)) {
        path = path.slice(1);
    }
    return decodeURIComponent(path);
};

StorageManager.localFilePath = function (savefileId) {
    var name;
    if (savefileId < 0) {
        name = 'config.rpgsave';
    } else if (savefileId === 0) {
        name = 'global.rpgsave';
    } else {
        name = 'file%1.rpgsave'.format(savefileId);
    }
    return this.localFileDirectoryPath() + name;
};

StorageManager.webStorageKey = function (savefileId) {
    if (savefileId < 0) {
        return 'RPG Config';
    } else if (savefileId === 0) {
        return 'RPG Global';
    } else {
        return 'RPG File%1'.format(savefileId);
    }
};

//-----------------------------------------------------------------------------
// ImageManager
//
// The static class that loads images, creates bitmap objects and retains them.

/**
 * 图片资源管理器
 * @constructor
 */
function ImageManager() {
    throw new Error('This is a static class');
}

ImageManager._cache = {};

ImageManager.loadAnimation = function (filename, hue) {
    return this.loadBitmap('img/animations/', filename, hue, true);
};

ImageManager.loadBattleback1 = function (filename, hue) {
    return this.loadBitmap('img/battlebacks1/', filename, hue, true);
};

ImageManager.loadBattleback2 = function (filename, hue) {
    return this.loadBitmap('img/battlebacks2/', filename, hue, true);
};

ImageManager.loadEnemy = function (filename, hue) {
    return this.loadBitmap('img/enemies/', filename, hue, true);
};

ImageManager.loadCharacter = function (filename, hue) {
    return this.loadBitmap('img/characters/', filename, hue, false);
};

ImageManager.loadFace = function (filename, hue) {
    return this.loadBitmap('img/faces/', filename, hue, true);
};

ImageManager.loadParallax = function (filename, hue) {
    return this.loadBitmap('img/parallaxes/', filename, hue, true);
};

ImageManager.loadPicture = function (filename, hue) {
    return this.loadBitmap('img/pictures/', filename, hue, true);
};

ImageManager.loadSvActor = function (filename, hue) {
    return this.loadBitmap('img/sv_actors/', filename, hue, false);
};

ImageManager.loadSvEnemy = function (filename, hue) {
    return this.loadBitmap('img/sv_enemies/', filename, hue, true);
};

ImageManager.loadSystem = function (filename, hue) {
    return this.loadBitmap('img/system/', filename, hue, false);
};

ImageManager.loadTileset = function (filename, hue) {
    return this.loadBitmap('img/tilesets/', filename, hue, false);
};

ImageManager.loadTitle1 = function (filename, hue) {
    return this.loadBitmap('img/titles1/', filename, hue, true);
};

ImageManager.loadTitle2 = function (filename, hue) {
    return this.loadBitmap('img/titles2/', filename, hue, true);
};

ImageManager.loadBitmap = function (folder, filename, hue, smooth) {
    if (filename) {
        var path = folder + encodeURIComponent(filename) + '.png';
        var bitmap = this.loadNormalBitmap(path, hue || 0);
        bitmap.smooth = smooth;
        return bitmap;
    } else {
        return this.loadEmptyBitmap();
    }
};

ImageManager.loadEmptyBitmap = function () {
    if (!this._cache[null]) {
        this._cache[null] = new Bitmap();
    }
    return this._cache[null];
};

/**
 * 加载文件系统中的图片
 * @param path
 * @param hue
 * @returns {*}
 */
ImageManager.loadNormalBitmap = function (path, hue) {
    var key = path + ':' + hue;
    //缓存机制 检测该图片是否已经加载
    if (!this._cache[key]) {
        var bitmap = Bitmap.load(path);
        bitmap.addLoadListener(function () {
            bitmap.rotateHue(hue);
        });
        //放入缓存中 他这里并不是加载完毕后再放入 而是放入后再加载，这样可以防止重复加载
        this._cache[key] = bitmap;
    }
    return this._cache[key];
};

ImageManager.clear = function () {
    this._cache = {};
};

/**
 * 检测是否所有需要载入的图片都载入完毕
 * @returns {boolean}
 */
ImageManager.isReady = function () {
    for (var key in this._cache) {
        var bitmap = this._cache[key];
        if (bitmap.isError()) {
            throw new Error('Failed to load: ' + bitmap.url);
        }
        if (!bitmap.isReady()) {
            return false;
        }
    }
    return true;
};

ImageManager.isObjectCharacter = function (filename) {
    var sign = filename.match(/^[\!\$]+/);
    return sign && sign[0].contains('!');
};

ImageManager.isBigCharacter = function (filename) {
    var sign = filename.match(/^[\!\$]+/);
    return sign && sign[0].contains('$');
};

ImageManager.isZeroParallax = function (filename) {
    return filename.charAt(0) === '!';
};

//-----------------------------------------------------------------------------
// AudioManager
//
// The static class that handles BGM, BGS, ME and SE.

function AudioManager() {
    throw new Error('This is a static class');
}

AudioManager._bgmVolume = 100;
AudioManager._bgsVolume = 100;
AudioManager._meVolume = 100;
AudioManager._seVolume = 100;
AudioManager._currentBgm = null;
AudioManager._currentBgs = null;
AudioManager._bgmBuffer = null;
AudioManager._bgsBuffer = null;
AudioManager._meBuffer = null;
AudioManager._seBuffers = [];
AudioManager._staticBuffers = [];
AudioManager._replayFadeTime = 0.5;
AudioManager._path = 'audio/';

Object.defineProperty(AudioManager, 'bgmVolume', {
    get: function () {
        return this._bgmVolume;
    },
    set: function (value) {
        this._bgmVolume = value;
        this.updateBgmParameters(this._currentBgm);
    },
    configurable: true
});

Object.defineProperty(AudioManager, 'bgsVolume', {
    get: function () {
        return this._bgsVolume;
    },
    set: function (value) {
        this._bgsVolume = value;
        this.updateBgsParameters(this._currentBgs);
    },
    configurable: true
});

Object.defineProperty(AudioManager, 'meVolume', {
    get: function () {
        return this._meVolume;
    },
    set: function (value) {
        this._meVolume = value;
        this.updateMeParameters(this._currentMe);
    },
    configurable: true
});

Object.defineProperty(AudioManager, 'seVolume', {
    get: function () {
        return this._seVolume;
    },
    set: function (value) {
        this._seVolume = value;
    },
    configurable: true
});

AudioManager.playBgm = function (bgm, pos) {
    if (this.isCurrentBgm(bgm)) {
        this.updateBgmParameters(bgm);
    } else {
        this.stopBgm();
        if (bgm.name) {
            this._bgmBuffer = this.createBuffer('bgm', bgm.name);
            this.updateBgmParameters(bgm);
            if (!this._meBuffer) {
                this._bgmBuffer.play(true, pos || 0);
            }
        }
    }
    this.updateCurrentBgm(bgm, pos);
};

AudioManager.replayBgm = function (bgm) {
    if (this.isCurrentBgm(bgm)) {
        this.updateBgmParameters(bgm);
    } else {
        this.playBgm(bgm, bgm.pos);
        if (this._bgmBuffer) {
            this._bgmBuffer.fadeIn(this._replayFadeTime);
        }
    }
};

AudioManager.isCurrentBgm = function (bgm) {
    return (this._currentBgm && this._bgmBuffer &&
        this._currentBgm.name === bgm.name);
};

AudioManager.updateBgmParameters = function (bgm) {
    this.updateBufferParameters(this._bgmBuffer, this._bgmVolume, bgm);
};

AudioManager.updateCurrentBgm = function (bgm, pos) {
    this._currentBgm = {
        name: bgm.name,
        volume: bgm.volume,
        pitch: bgm.pitch,
        pan: bgm.pan,
        pos: pos
    };
};

AudioManager.stopBgm = function () {
    if (this._bgmBuffer) {
        this._bgmBuffer.stop();
        this._bgmBuffer = null;
        this._currentBgm = null;
    }
};

AudioManager.fadeOutBgm = function (duration) {
    if (this._bgmBuffer && this._currentBgm) {
        this._bgmBuffer.fadeOut(duration);
        this._currentBgm = null;
    }
};

AudioManager.fadeInBgm = function (duration) {
    if (this._bgmBuffer && this._currentBgm) {
        this._bgmBuffer.fadeIn(duration);
    }
};

AudioManager.playBgs = function (bgs, pos) {
    if (this.isCurrentBgs(bgs)) {
        this.updateBgsParameters(bgs);
    } else {
        this.stopBgs();
        if (bgs.name) {
            this._bgsBuffer = this.createBuffer('bgs', bgs.name);
            this.updateBgsParameters(bgs);
            this._bgsBuffer.play(true, pos || 0);
        }
    }
    this.updateCurrentBgs(bgs, pos);
};

AudioManager.replayBgs = function (bgs) {
    if (this.isCurrentBgs(bgs)) {
        this.updateBgsParameters(bgs);
    } else {
        this.playBgs(bgs, bgs.pos);
        if (this._bgsBuffer) {
            this._bgsBuffer.fadeIn(this._replayFadeTime);
        }
    }
};

AudioManager.isCurrentBgs = function (bgs) {
    return (this._currentBgs && this._bgsBuffer &&
        this._currentBgs.name === bgs.name);
};

AudioManager.updateBgsParameters = function (bgs) {
    this.updateBufferParameters(this._bgsBuffer, this._bgsVolume, bgs);
};

AudioManager.updateCurrentBgs = function (bgs, pos) {
    this._currentBgs = {
        name: bgs.name,
        volume: bgs.volume,
        pitch: bgs.pitch,
        pan: bgs.pan,
        pos: pos
    };
};

AudioManager.stopBgs = function () {
    if (this._bgsBuffer) {
        this._bgsBuffer.stop();
        this._bgsBuffer = null;
        this._currentBgs = null;
    }
};

AudioManager.fadeOutBgs = function (duration) {
    if (this._bgsBuffer && this._currentBgs) {
        this._bgsBuffer.fadeOut(duration);
        this._currentBgs = null;
    }
};

AudioManager.fadeInBgs = function (duration) {
    if (this._bgsBuffer && this._currentBgs) {
        this._bgsBuffer.fadeIn(duration);
    }
};

AudioManager.playMe = function (me) {
    this.stopMe();
    if (me.name) {
        if (this._bgmBuffer && this._currentBgm) {
            this._currentBgm.pos = this._bgmBuffer.seek();
            this._bgmBuffer.stop();
        }
        this._meBuffer = this.createBuffer('me', me.name);
        this.updateMeParameters(me);
        this._meBuffer.play(false);
        this._meBuffer.addStopListener(this.stopMe.bind(this));
    }
};

AudioManager.updateMeParameters = function (me) {
    this.updateBufferParameters(this._meBuffer, this._meVolume, me);
};

AudioManager.fadeOutMe = function (duration) {
    if (this._meBuffer) {
        this._meBuffer.fadeOut(duration);
    }
};

AudioManager.stopMe = function () {
    if (this._meBuffer) {
        this._meBuffer.stop();
        this._meBuffer = null;
        if (this._bgmBuffer && this._currentBgm && !this._bgmBuffer.isPlaying()) {
            this._bgmBuffer.play(true, this._currentBgm.pos);
            this._bgmBuffer.fadeIn(this._replayFadeTime);
        }
    }
};

AudioManager.playSe = function (se) {
    if (se.name) {
        this._seBuffers = this._seBuffers.filter(function (audio) {
            return audio.isPlaying();
        });
        var buffer = this.createBuffer('se', se.name);
        this.updateSeParameters(buffer, se);
        buffer.play(false);
        this._seBuffers.push(buffer);
    }
};

AudioManager.updateSeParameters = function (buffer, se) {
    this.updateBufferParameters(buffer, this._seVolume, se);
};

AudioManager.stopSe = function () {
    this._seBuffers.forEach(function (buffer) {
        buffer.stop();
    });
    this._seBuffers = [];
};

AudioManager.playStaticSe = function (se) {
    if (se.name) {
        this.loadStaticSe(se);
        for (var i = 0; i < this._staticBuffers.length; i++) {
            var buffer = this._staticBuffers[i];
            if (buffer._reservedSeName === se.name) {
                buffer.stop();
                this.updateSeParameters(buffer, se);
                buffer.play(false);
                break;
            }
        }
    }
};

AudioManager.loadStaticSe = function (se) {
    if (se.name && !this.isStaticSe(se)) {
        var buffer = this.createBuffer('se', se.name);
        buffer._reservedSeName = se.name;
        this._staticBuffers.push(buffer);
        if (this.shouldUseHtml5Audio()) {
            Html5Audio.setStaticSe(buffer._url);
        }
    }
};

AudioManager.isStaticSe = function (se) {
    for (var i = 0; i < this._staticBuffers.length; i++) {
        var buffer = this._staticBuffers[i];
        if (buffer._reservedSeName === se.name) {
            return true;
        }
    }
    return false;
};

AudioManager.stopAll = function () {
    this.stopMe();
    this.stopBgm();
    this.stopBgs();
    this.stopSe();
};

AudioManager.saveBgm = function () {
    if (this._currentBgm) {
        var bgm = this._currentBgm;
        return {
            name: bgm.name,
            volume: bgm.volume,
            pitch: bgm.pitch,
            pan: bgm.pan,
            pos: this._bgmBuffer ? this._bgmBuffer.seek() : 0
        };
    } else {
        return this.makeEmptyAudioObject();
    }
};

AudioManager.saveBgs = function () {
    if (this._currentBgs) {
        var bgs = this._currentBgs;
        return {
            name: bgs.name,
            volume: bgs.volume,
            pitch: bgs.pitch,
            pan: bgs.pan,
            pos: this._bgsBuffer ? this._bgsBuffer.seek() : 0
        };
    } else {
        return this.makeEmptyAudioObject();
    }
};

AudioManager.makeEmptyAudioObject = function () {
    return {name: '', volume: 0, pitch: 0};
};

AudioManager.createBuffer = function (folder, name) {
    var ext = this.audioFileExt();
    var url = this._path + folder + '/' + encodeURIComponent(name) + ext;
    if (this.shouldUseHtml5Audio() && folder === 'bgm') {
        Html5Audio.setup(url);
        return Html5Audio;
    } else {
        return new WebAudio(url);
    }
};

AudioManager.updateBufferParameters = function (buffer, configVolume, audio) {
    if (buffer && audio) {
        buffer.volume = configVolume * (audio.volume || 0) / 10000;
        buffer.pitch = (audio.pitch || 0) / 100;
        buffer.pan = (audio.pan || 0) / 100;
    }
};

AudioManager.audioFileExt = function () {
    if (WebAudio.canPlayOgg() && !Utils.isMobileDevice()) {
        return '.ogg';
    } else {
        return '.m4a';
    }
};

AudioManager.shouldUseHtml5Audio = function () {
    // We use HTML5 Audio to play BGM instead of Web Audio API
    // because decodeAudioData() is very slow on Android Chrome.
    return Utils.isAndroidChrome();
};

AudioManager.checkErrors = function () {
    this.checkWebAudioError(this._bgmBuffer);
    this.checkWebAudioError(this._bgsBuffer);
    this.checkWebAudioError(this._meBuffer);
    this._seBuffers.forEach(function (buffer) {
        this.checkWebAudioError(buffer);
    }.bind(this));
    this._staticBuffers.forEach(function (buffer) {
        this.checkWebAudioError(buffer);
    }.bind(this));
};

AudioManager.checkWebAudioError = function (webAudio) {
    if (webAudio && webAudio.isError()) {
        throw new Error('Failed to load: ' + webAudio.url);
    }
};

//-----------------------------------------------------------------------------
// SoundManager
//
// The static class that plays sound effects defined in the database.

function SoundManager() {
    throw new Error('This is a static class');
}

SoundManager.preloadImportantSounds = function () {
    this.loadSystemSound(0);
    this.loadSystemSound(1);
    this.loadSystemSound(2);
    this.loadSystemSound(3);
};

SoundManager.loadSystemSound = function (n) {
    if ($dataSystem) {
        AudioManager.loadStaticSe($dataSystem.sounds[n]);
    }
};

SoundManager.playSystemSound = function (n) {
    if ($dataSystem) {
        AudioManager.playStaticSe($dataSystem.sounds[n]);
    }
};

SoundManager.playCursor = function () {
    this.playSystemSound(0);
};

SoundManager.playOk = function () {
    this.playSystemSound(1);
};

SoundManager.playCancel = function () {
    this.playSystemSound(2);
};

SoundManager.playBuzzer = function () {
    this.playSystemSound(3);
};

SoundManager.playEquip = function () {
    this.playSystemSound(4);
};

SoundManager.playSave = function () {
    this.playSystemSound(5);
};

SoundManager.playLoad = function () {
    this.playSystemSound(6);
};

SoundManager.playBattleStart = function () {
    this.playSystemSound(7);
};

SoundManager.playEscape = function () {
    this.playSystemSound(8);
};

SoundManager.playEnemyAttack = function () {
    this.playSystemSound(9);
};

SoundManager.playEnemyDamage = function () {
    this.playSystemSound(10);
};

SoundManager.playEnemyCollapse = function () {
    this.playSystemSound(11);
};

SoundManager.playBossCollapse1 = function () {
    this.playSystemSound(12);
};

SoundManager.playBossCollapse2 = function () {
    this.playSystemSound(13);
};

SoundManager.playActorDamage = function () {
    this.playSystemSound(14);
};

SoundManager.playActorCollapse = function () {
    this.playSystemSound(15);
};

SoundManager.playRecovery = function () {
    this.playSystemSound(16);
};

SoundManager.playMiss = function () {
    this.playSystemSound(17);
};

SoundManager.playEvasion = function () {
    this.playSystemSound(18);
};

SoundManager.playMagicEvasion = function () {
    this.playSystemSound(19);
};

SoundManager.playReflection = function () {
    this.playSystemSound(20);
};

SoundManager.playShop = function () {
    this.playSystemSound(21);
};

SoundManager.playUseItem = function () {
    this.playSystemSound(22);
};

SoundManager.playUseSkill = function () {
    this.playSystemSound(23);
};

//-----------------------------------------------------------------------------
// TextManager
//
// The static class that handles terms and messages.

function TextManager() {
    throw new Error('This is a static class');
}

TextManager.basic = function (basicId) {
    return $dataSystem.terms.basic[basicId] || '';
};

TextManager.param = function (paramId) {
    return $dataSystem.terms.params[paramId] || '';
};

TextManager.command = function (commandId) {
    return $dataSystem.terms.commands[commandId] || '';
};

TextManager.message = function (messageId) {
    return $dataSystem.terms.messages[messageId] || '';
};

TextManager.getter = function (method, param) {
    return {
        get: function () {
            return this[method](param);
        },
        configurable: true
    };
};

Object.defineProperty(TextManager, 'currencyUnit', {
    get: function () {
        return $dataSystem.currencyUnit;
    },
    configurable: true
});

Object.defineProperties(TextManager, {
    level: TextManager.getter('basic', 0),
    levelA: TextManager.getter('basic', 1),
    hp: TextManager.getter('basic', 2),
    hpA: TextManager.getter('basic', 3),
    mp: TextManager.getter('basic', 4),
    mpA: TextManager.getter('basic', 5),
    tp: TextManager.getter('basic', 6),
    tpA: TextManager.getter('basic', 7),
    exp: TextManager.getter('basic', 8),
    expA: TextManager.getter('basic', 9),
    fight: TextManager.getter('command', 0),
    escape: TextManager.getter('command', 1),
    attack: TextManager.getter('command', 2),
    guard: TextManager.getter('command', 3),
    item: TextManager.getter('command', 4),
    skill: TextManager.getter('command', 5),
    equip: TextManager.getter('command', 6),
    status: TextManager.getter('command', 7),
    formation: TextManager.getter('command', 8),
    save: TextManager.getter('command', 9),
    gameEnd: TextManager.getter('command', 10),
    options: TextManager.getter('command', 11),
    weapon: TextManager.getter('command', 12),
    armor: TextManager.getter('command', 13),
    keyItem: TextManager.getter('command', 14),
    equip2: TextManager.getter('command', 15),
    optimize: TextManager.getter('command', 16),
    clear: TextManager.getter('command', 17),
    newGame: TextManager.getter('command', 18),
    continue_: TextManager.getter('command', 19),
    toTitle: TextManager.getter('command', 21),
    cancel: TextManager.getter('command', 22),
    buy: TextManager.getter('command', 24),
    sell: TextManager.getter('command', 25),
    alwaysDash: TextManager.getter('message', 'alwaysDash'),
    commandRemember: TextManager.getter('message', 'commandRemember'),
    bgmVolume: TextManager.getter('message', 'bgmVolume'),
    bgsVolume: TextManager.getter('message', 'bgsVolume'),
    meVolume: TextManager.getter('message', 'meVolume'),
    seVolume: TextManager.getter('message', 'seVolume'),
    possession: TextManager.getter('message', 'possession'),
    expTotal: TextManager.getter('message', 'expTotal'),
    expNext: TextManager.getter('message', 'expNext'),
    saveMessage: TextManager.getter('message', 'saveMessage'),
    loadMessage: TextManager.getter('message', 'loadMessage'),
    file: TextManager.getter('message', 'file'),
    partyName: TextManager.getter('message', 'partyName'),
    emerge: TextManager.getter('message', 'emerge'),
    preemptive: TextManager.getter('message', 'preemptive'),
    surprise: TextManager.getter('message', 'surprise'),
    escapeStart: TextManager.getter('message', 'escapeStart'),
    escapeFailure: TextManager.getter('message', 'escapeFailure'),
    victory: TextManager.getter('message', 'victory'),
    defeat: TextManager.getter('message', 'defeat'),
    obtainExp: TextManager.getter('message', 'obtainExp'),
    obtainGold: TextManager.getter('message', 'obtainGold'),
    obtainItem: TextManager.getter('message', 'obtainItem'),
    levelUp: TextManager.getter('message', 'levelUp'),
    obtainSkill: TextManager.getter('message', 'obtainSkill'),
    useItem: TextManager.getter('message', 'useItem'),
    criticalToEnemy: TextManager.getter('message', 'criticalToEnemy'),
    criticalToActor: TextManager.getter('message', 'criticalToActor'),
    actorDamage: TextManager.getter('message', 'actorDamage'),
    actorRecovery: TextManager.getter('message', 'actorRecovery'),
    actorGain: TextManager.getter('message', 'actorGain'),
    actorLoss: TextManager.getter('message', 'actorLoss'),
    actorDrain: TextManager.getter('message', 'actorDrain'),
    actorNoDamage: TextManager.getter('message', 'actorNoDamage'),
    actorNoHit: TextManager.getter('message', 'actorNoHit'),
    enemyDamage: TextManager.getter('message', 'enemyDamage'),
    enemyRecovery: TextManager.getter('message', 'enemyRecovery'),
    enemyGain: TextManager.getter('message', 'enemyGain'),
    enemyLoss: TextManager.getter('message', 'enemyLoss'),
    enemyDrain: TextManager.getter('message', 'enemyDrain'),
    enemyNoDamage: TextManager.getter('message', 'enemyNoDamage'),
    enemyNoHit: TextManager.getter('message', 'enemyNoHit'),
    evasion: TextManager.getter('message', 'evasion'),
    magicEvasion: TextManager.getter('message', 'magicEvasion'),
    magicReflection: TextManager.getter('message', 'magicReflection'),
    counterAttack: TextManager.getter('message', 'counterAttack'),
    substitute: TextManager.getter('message', 'substitute'),
    buffAdd: TextManager.getter('message', 'buffAdd'),
    debuffAdd: TextManager.getter('message', 'debuffAdd'),
    buffRemove: TextManager.getter('message', 'buffRemove'),
    actionFailure: TextManager.getter('message', 'actionFailure'),
});

//-----------------------------------------------------------------------------
// SceneManager
//场景管理器，内部用一个栈保存了场景切换历史，可以在该栈中向前向后移动进行场景切换
//压栈进入新场景，退栈来退出一个场景
// The static class that manages scene transitions.

function SceneManager() {
    throw new Error('This is a static class');
}

/*
 * Gets the current time in ms.
 * @private
 */
SceneManager._getTimeInMs = function () {
    return performance.now();
};

//当前场景
SceneManager._scene = null;
//下一个场景，内部使用轮询来进行当前场景和下一个场景的切换
SceneManager._nextScene = null;
//场景栈
SceneManager._stack = [];
//是否停止
SceneManager._stopped = false;
SceneManager._sceneStarted = false;
SceneManager._exiting = false;
SceneManager._previousClass = null;
SceneManager._backgroundBitmap = null;
//宽高数据
SceneManager._screenWidth = 816;
SceneManager._screenHeight = 624;
SceneManager._boxWidth = 816;
SceneManager._boxHeight = 624;
/**
 * 刷新频率(最高帧数)
 * @type {number}
 * @private
 */
SceneManager._deltaTime = 1.0 / 60.0;
//当前游戏运行时间(其实这里有一个设计问题，即这些时间相关变量不应该放在场景管理器这个无关的东西中，而应该另分几个类)
SceneManager._currentTime = SceneManager._getTimeInMs();
//游戏累计时间
SceneManager._accumulator = 0.0;

/**
 *运行一个场景
 * @param sceneClass
 */
SceneManager.run = function (sceneClass) {
    try {
        //场景管理器初始化，这里是一个典型的延时初始化
        this.initialize();
        //跳转到传入的场景类
        this.goto(sceneClass);
        //开启主循环
        this.requestUpdate();
    } catch (e) {
        this.catchException(e);
    }
};

/**
 * 初始化SceneManager
 * （其实他这里的子系统层级架构分的有问题）
 */
SceneManager.initialize = function () {
    //初始化图形子系统
    this.initGraphics();
    //检测是否可以读写游戏文件
    this.checkFileAccess();
    //初始化音频子系统
    this.initAudio();
    //初始化输入子系统
    this.initInput();
    //初始化nw.js(只在nodejs环境下有用)
    this.initNwjs();
    //检测插件读取错误
    this.checkPluginErrors();
    //设置错误监听器
    this.setupErrorHandlers();
};

/**
 * 初始化渲染器
 */
SceneManager.initGraphics = function () {

    //根据当前上下文 获取底层渲染机制(webgl或者canvas)
    var type = this.preferableRendererType();
    //初始化渲染器
    Graphics.initialize(this._screenWidth, this._screenHeight, type);
    Graphics.boxWidth = this._boxWidth;
    Graphics.boxHeight = this._boxHeight;
    //设置加载中图片
    Graphics.setLoadingImage('img/system/Loading.png');
    //如果设置了显示fps的选项
    if (Utils.isOptionValid('showfps')) {
        //显示fps
        Graphics.showFps();
    }
    //检测webgl是否真正可用
    if (type === 'webgl') {
        this.checkWebGL();
    }
};

/**
 * 确定底层渲染方法
 * canvas 或者webgal
 * @returns {*}
 */
SceneManager.preferableRendererType = function () {
    //检测url的queryString部分是否有加canvas参数 canvas的优先级大于webgl
    if (Utils.isOptionValid('canvas')) {
        return 'canvas';
    } else if (Utils.isOptionValid('webgl')) {
        return 'webgl';
    }
    //如果没加显式参数，则检测是否在手机平台上，是的话用canvas
    else if (this.shouldUseCanvasRenderer()) {
        return 'canvas';
    } else {
        return 'auto';
    }
};

SceneManager.shouldUseCanvasRenderer = function () {
    return Utils.isMobileDevice();
};

SceneManager.checkWebGL = function () {
    if (!Graphics.hasWebGL()) {
        throw new Error('Your browser does not support WebGL.');
    }
};

/**
 * 检测浏览器是否有权限读取本地文件
 */
SceneManager.checkFileAccess = function () {
    if (!Utils.canReadGameFiles()) {
        throw new Error('Your browser does not allow to read local files.');
    }

};

SceneManager.initAudio = function () {
    //检测是否打开声音选项
    var noAudio = Utils.isOptionValid('noaudio');
    //检测浏览器是否支持web audio api
    if (!WebAudio.initialize(noAudio) && !noAudio) {
        throw newError('Your browser does not support Web Audio API.');
    }
};

SceneManager.initInput = function () {
    //初始化键盘输入子系统(包含了手柄输入的检测)
    Input.initialize();
    //初始化触摸输入子系统(手机，平板之类的)
    TouchInput.initialize();
};

//nwjs 是一个nodejs上跑的js桌面应用环境，如果游戏是本地运行而不是在浏览器上运行，需要该库的支持
SceneManager.initNwjs = function () {
    if (Utils.isNwjs()) {
        var gui = require('nw.gui');
        var win = gui.Window.get();
        if (process.platform === 'darwin' && !win.menu) {
            var menubar = new gui.Menu({type: 'menubar'});
            var option = {hideEdit: true, hideWindow: true};
            menubar.createMacBuiltin('Game', option);
            win.menu = menubar;
        }
    }
};

SceneManager.checkPluginErrors = function () {
    PluginManager.checkErrors();
};

SceneManager.setupErrorHandlers = function () {
    window.addEventListener('error', this.onError.bind(this));
    document.addEventListener('keydown', this.onKeyDown.bind(this));
};

SceneManager.requestUpdate = function () {
    if (!this._stopped) {
        requestAnimationFrame(this.update.bind(this));
    }
};

/**
 * 主循环
 */
SceneManager.update = function () {
    try {
        //计时开始 这个游戏框架的循环是那种不锁定单帧时间的，即越好的电脑帧数越高。这种就是处理起来麻烦一点
        this.tickStart();
        //游戏循环
        this.updateMain();
        //计时结束 然后计算出该帧所消耗的时间
        this.tickEnd();
    } catch (e) {
        this.catchException(e);
    }
};

SceneManager.terminate = function () {
    window.close();
};

/**
 * 错误时调用
 * @param e
 */
SceneManager.onError = function (e) {
    //控制台中打印错误
    console.error(e.message);
    console.error(e.filename, e.lineno);
    try {
        //停止引擎
        this.stop();
        //在画面上显示出错误
        Graphics.printError('Error', e.message);
        AudioManager.stopAll();
    } catch (e2) {
    }
};

SceneManager.onKeyDown = function (event) {
    if (!event.ctrlKey && !event.altKey) {
        switch (event.keyCode) {
            case 116:   // F5
                if (Utils.isNwjs()) {
                    location.reload();
                }
                break;
            case 119:   // F8
                if (Utils.isNwjs() && Utils.isOptionValid('test')) {
                    require('nw.gui').Window.get().showDevTools();
                }
                break;
        }
    }
};

SceneManager.catchException = function (e) {
    if (e instanceof Error) {
        Graphics.printError(e.name, e.message);
        console.error(e.stack);
    } else {
        Graphics.printError('UnknownError', e);
    }
    AudioManager.stopAll();
    this.stop();
};

SceneManager.tickStart = function () {
    Graphics.tickStart();
};

SceneManager.tickEnd = function () {
    Graphics.tickEnd();
};

SceneManager.updateInputData = function () {
    Input.update();
    TouchInput.update();
};

/**
 * 主循环
 */
SceneManager.updateMain = function () {

    //获取执行上一帧所用的时间
    var newTime = this._getTimeInMs();
    var fTime = (newTime - this._currentTime) / 1000;
    //这里把最长时间限定在了0.25，即一秒40帧，如果低于这个帧数则按这个帧数计算
    if (fTime > 0.25) fTime = 0.25;
    this._currentTime = newTime;
    this._accumulator += fTime;

    //如果到目前为止累加的时间超过了一个更新周期(1/60)
    while (this._accumulator >= this._deltaTime) {
        //更新输入数据
        this.updateInputData();
        //更新场景切换
        this.changeScene();
        //更新场景 将循环事件分发给游戏对象的内部循环
        this.updateScene();
        //重置累计时间(没有使用清零值得学习..如果是我写估计就直接清零了 想想他这样写准确性高一点)
        this._accumulator -= this._deltaTime;
    }
    //渲染场景
    this.renderScene();
    //请求下一次循环
    this.requestUpdate();
};

SceneManager.changeScene = function () {
    //是否当前需要进行场景切换
    //是否有nextScene存在以及当前场景不在busy状态
    if (this.isSceneChanging() && !this.isCurrentSceneBusy()) {
        if (this._scene) {
            this._scene.terminate();
            this._previousClass = this._scene.constructor;
        }
        //将nextScene交换为scene
        this._scene = this._nextScene;
        if (this._scene) {
            //创建场景
            this._scene.create();
            this._nextScene = null;
            this._sceneStarted = false;
            this.onSceneCreate();
        }
        if (this._exiting) {
            //终止当前场景
            this.terminate();
        }
    }
};

SceneManager.updateScene = function () {
    if (this._scene) {
        if (!this._sceneStarted && this._scene.isReady()) {
            this._scene.start();
            this._sceneStarted = true;
            this.onSceneStart();
        }
        if (this.isCurrentSceneStarted()) {
            this._scene.update();
        }
    }
};

/**
 * 渲染scene
 */
SceneManager.renderScene = function () {
    //如果当前scene加载完毕 交由底层pixi渲染器渲染
    if (this.isCurrentSceneStarted()) {
        Graphics.render(this._scene);
    }
    //否则显示加载画面
    else if (this._scene) {
        this.onSceneLoading();
    }
};

SceneManager.onSceneCreate = function () {
    Graphics.startLoading();
};

SceneManager.onSceneStart = function () {
    Graphics.endLoading();
};

SceneManager.onSceneLoading = function () {
    Graphics.updateLoading();
};

SceneManager.isSceneChanging = function () {
    return this._exiting || !!this._nextScene;
};

SceneManager.isCurrentSceneBusy = function () {
    return this._scene && this._scene.isBusy();
};

/**
 * 当前场景是否加载完毕
 * @returns {null|*|boolean}
 */
SceneManager.isCurrentSceneStarted = function () {
    return this._scene && this._sceneStarted;
};

SceneManager.isNextScene = function (sceneClass) {
    return this._nextScene && this._nextScene.constructor === sceneClass;
};

SceneManager.isPreviousScene = function (sceneClass) {
    return this._previousClass === sceneClass;
};

/**
 * 在场景之间跳转
 * @param sceneClass
 */
SceneManager.goto = function (sceneClass) {
    if (sceneClass) {
        //设置下一个场景为传入的参数
        this._nextScene = new sceneClass();
    }
    if (this._scene) {
        //停止当前场景
        this._scene.stop();
    }
};

SceneManager.push = function (sceneClass) {
    this._stack.push(this._scene.constructor);
    this.goto(sceneClass);
};

SceneManager.pop = function () {
    if (this._stack.length > 0) {
        this.goto(this._stack.pop());
    } else {
        this.exit();
    }
};

SceneManager.exit = function () {
    this.goto(null);
    this._exiting = true;
};

SceneManager.clearStack = function () {
    this._stack = [];
};

SceneManager.stop = function () {
    this._stopped = true;
};

SceneManager.prepareNextScene = function () {
    this._nextScene.prepare.apply(this._nextScene, arguments);
};

SceneManager.snap = function () {
    return Bitmap.snap(this._scene);
};

SceneManager.snapForBackground = function () {
    this._backgroundBitmap = this.snap();
    this._backgroundBitmap.blur();
};

SceneManager.backgroundBitmap = function () {
    return this._backgroundBitmap;
};


//-----------------------------------------------------------------------------
// BattleManager
//
// The static class that manages battle progress.

function BattleManager() {
    throw new Error('This is a static class');
}

BattleManager.setup = function (troopId, canEscape, canLose) {
    this.initMembers();
    this._canEscape = canEscape;
    this._canLose = canLose;
    $gameTroop.setup(troopId);
    $gameScreen.onBattleStart();
    this.makeEscapeRatio();
};

BattleManager.initMembers = function () {
    this._phase = 'init';
    this._canEscape = false;
    this._canLose = false;
    this._battleTest = false;
    this._eventCallback = null;
    this._preemptive = false;
    this._surprise = false;
    this._actorIndex = -1;
    this._actionForcedBattler = null;
    this._mapBgm = null;
    this._mapBgs = null;
    this._actionBattlers = [];
    this._subject = null;
    this._action = null;
    this._targets = [];
    this._logWindow = null;
    this._statusWindow = null;
    this._spriteset = null;
    this._escapeRatio = 0;
    this._escaped = false;
    this._rewards = {};
};

BattleManager.isBattleTest = function () {
    return this._battleTest;
};

BattleManager.setBattleTest = function (battleTest) {
    this._battleTest = battleTest;
};

BattleManager.setEventCallback = function (callback) {
    this._eventCallback = callback;
};

BattleManager.setLogWindow = function (logWindow) {
    this._logWindow = logWindow;
};

BattleManager.setStatusWindow = function (statusWindow) {
    this._statusWindow = statusWindow;
};

BattleManager.setSpriteset = function (spriteset) {
    this._spriteset = spriteset;
};

BattleManager.onEncounter = function () {
    this._preemptive = (Math.random() < this.ratePreemptive());
    this._surprise = (Math.random() < this.rateSurprise() && !this._preemptive);
};

BattleManager.ratePreemptive = function () {
    return $gameParty.ratePreemptive($gameTroop.agility());
};

BattleManager.rateSurprise = function () {
    return $gameParty.rateSurprise($gameTroop.agility());
};

BattleManager.saveBgmAndBgs = function () {
    this._mapBgm = AudioManager.saveBgm();
    this._mapBgs = AudioManager.saveBgs();
};

BattleManager.playBattleBgm = function () {
    AudioManager.playBgm($gameSystem.battleBgm());
    AudioManager.stopBgs();
};

BattleManager.playVictoryMe = function () {
    AudioManager.playMe($gameSystem.victoryMe());
};

BattleManager.playDefeatMe = function () {
    AudioManager.playMe($gameSystem.defeatMe());
};

BattleManager.replayBgmAndBgs = function () {
    if (this._mapBgm) {
        AudioManager.replayBgm(this._mapBgm);
    } else {
        AudioManager.stopBgm();
    }
    if (this._mapBgs) {
        AudioManager.replayBgs(this._mapBgs);
    }
};

BattleManager.makeEscapeRatio = function () {
    this._escapeRatio = 0.5 * $gameParty.agility() / $gameTroop.agility();
};

BattleManager.update = function () {
    if (!this.isBusy() && !this.updateEvent()) {
        switch (this._phase) {
            case 'start':
                this.startInput();
                break;
            case 'turn':
                this.updateTurn();
                break;
            case 'action':
                this.updateAction();
                break;
            case 'turnEnd':
                this.updateTurnEnd();
                break;
            case 'battleEnd':
                this.updateBattleEnd();
                break;
        }
    }
};

BattleManager.updateEvent = function () {
    switch (this._phase) {
        case 'start':
        case 'turn':
        case 'turnEnd':
            if (this.isActionForced()) {
                this.processForcedAction();
                return true;
            } else {
                return this.updateEventMain();
            }
    }
    return this.checkAbort();
};

BattleManager.updateEventMain = function () {
    $gameTroop.updateInterpreter();
    $gameParty.requestMotionRefresh();
    if ($gameTroop.isEventRunning() || this.checkBattleEnd()) {
        return true;
    }
    $gameTroop.setupBattleEvent();
    if ($gameTroop.isEventRunning() || SceneManager.isSceneChanging()) {
        return true;
    }
    return false;
};

BattleManager.isBusy = function () {
    return ($gameMessage.isBusy() || this._spriteset.isBusy() ||
        this._logWindow.isBusy());
};

BattleManager.isInputting = function () {
    return this._phase === 'input';
};

BattleManager.isInTurn = function () {
    return this._phase === 'turn';
};

BattleManager.isTurnEnd = function () {
    return this._phase === 'turnEnd';
};

BattleManager.isAborting = function () {
    return this._phase === 'aborting';
};

BattleManager.isBattleEnd = function () {
    return this._phase === 'battleEnd';
};

BattleManager.canEscape = function () {
    return this._canEscape;
};

BattleManager.canLose = function () {
    return this._canLose;
};

BattleManager.isEscaped = function () {
    return this._escaped;
};

BattleManager.actor = function () {
    return this._actorIndex >= 0 ? $gameParty.members()[this._actorIndex] : null;
};

BattleManager.clearActor = function () {
    this.changeActor(-1, '');
};

BattleManager.changeActor = function (newActorIndex, lastActorActionState) {
    var lastActor = this.actor();
    this._actorIndex = newActorIndex;
    var newActor = this.actor();
    if (lastActor) {
        lastActor.setActionState(lastActorActionState);
    }
    if (newActor) {
        newActor.setActionState('inputting');
    }
};

BattleManager.startBattle = function () {
    this._phase = 'start';
    $gameSystem.onBattleStart();
    $gameParty.onBattleStart();
    $gameTroop.onBattleStart();
    this.displayStartMessages();
};

BattleManager.displayStartMessages = function () {
    $gameTroop.enemyNames().forEach(function (name) {
        $gameMessage.add(TextManager.emerge.format(name));
    });
    if (this._preemptive) {
        $gameMessage.add(TextManager.preemptive.format($gameParty.name()));
    } else if (this._surprise) {
        $gameMessage.add(TextManager.surprise.format($gameParty.name()));
    }
};

BattleManager.startInput = function () {
    this._phase = 'input';
    $gameParty.makeActions();
    $gameTroop.makeActions();
    this.clearActor();
    if (this._surprise || !$gameParty.canInput()) {
        this.startTurn();
    }
};

BattleManager.inputtingAction = function () {
    return this.actor() ? this.actor().inputtingAction() : null;
};

BattleManager.selectNextCommand = function () {
    do {
        if (!this.actor() || !this.actor().selectNextCommand()) {
            this.changeActor(this._actorIndex + 1, 'waiting');
            if (this._actorIndex >= $gameParty.size()) {
                this.startTurn();
                break;
            }
        }
    } while (!this.actor().canInput());
};

BattleManager.selectPreviousCommand = function () {
    do {
        if (!this.actor() || !this.actor().selectPreviousCommand()) {
            this.changeActor(this._actorIndex - 1, 'undecided');
            if (this._actorIndex < 0) {
                return;
            }
        }
    } while (!this.actor().canInput());
};

BattleManager.refreshStatus = function () {
    this._statusWindow.refresh();
};

BattleManager.startTurn = function () {
    this._phase = 'turn';
    this.clearActor();
    $gameTroop.increaseTurn();
    this.makeActionOrders();
    $gameParty.requestMotionRefresh();
    this._logWindow.startTurn();
};

BattleManager.updateTurn = function () {
    $gameParty.requestMotionRefresh();
    if (!this._subject) {
        this._subject = this.getNextSubject();
    }
    if (this._subject) {
        this.processTurn();
    } else {
        this.endTurn();
    }
};

BattleManager.processTurn = function () {
    var subject = this._subject;
    var action = subject.currentAction();
    if (action) {
        action.prepare();
        if (action.isValid()) {
            this.startAction();
        }
        subject.removeCurrentAction();
    } else {
        subject.onAllActionsEnd();
        this.refreshStatus();
        this._logWindow.displayAutoAffectedStatus(subject);
        this._logWindow.displayCurrentState(subject);
        this._logWindow.displayRegeneration(subject);
        this._subject = this.getNextSubject();
    }
};

BattleManager.endTurn = function () {
    this._phase = 'turnEnd';
    this._preemptive = false;
    this._surprise = false;
    this.allBattleMembers().forEach(function (battler) {
        battler.onTurnEnd();
        this.refreshStatus();
        this._logWindow.displayAutoAffectedStatus(battler);
        this._logWindow.displayRegeneration(battler);
    }, this);
};

BattleManager.updateTurnEnd = function () {
    this.startInput();
};

BattleManager.getNextSubject = function () {
    for (; ;) {
        var battler = this._actionBattlers.shift();
        if (!battler) {
            return null;
        }
        if (battler.isBattleMember() && battler.isAlive()) {
            return battler;
        }
    }
};

BattleManager.allBattleMembers = function () {
    return $gameParty.members().concat($gameTroop.members());
};

BattleManager.makeActionOrders = function () {
    var battlers = [];
    if (!this._surprise) {
        battlers = battlers.concat($gameParty.members());
    }
    if (!this._preemptive) {
        battlers = battlers.concat($gameTroop.members());
    }
    battlers.forEach(function (battler) {
        battler.makeSpeed();
    });
    battlers.sort(function (a, b) {
        return b.speed() - a.speed();
    });
    this._actionBattlers = battlers;
};

BattleManager.startAction = function () {
    var subject = this._subject;
    var action = subject.currentAction();
    var targets = action.makeTargets();
    this._phase = 'action';
    this._action = action;
    this._targets = targets;
    subject.useItem(action.item());
    this._action.applyGlobal();
    this.refreshStatus();
    this._logWindow.startAction(subject, action, targets);
};

BattleManager.updateAction = function () {
    var target = this._targets.shift();
    if (target) {
        this.invokeAction(this._subject, target);
    } else {
        this.endAction();
    }
};

BattleManager.endAction = function () {
    this._logWindow.endAction(this._subject);
    this._phase = 'turn';
};

BattleManager.invokeAction = function (subject, target) {
    this._logWindow.push('pushBaseLine');
    if (Math.random() < this._action.itemCnt(target)) {
        this.invokeCounterAttack(subject, target);
    } else if (Math.random() < this._action.itemMrf(target)) {
        this.invokeMagicReflection(subject, target);
    } else {
        this.invokeNormalAction(subject, target);
    }
    subject.setLastTarget(target);
    this._logWindow.push('popBaseLine');
    this.refreshStatus();
};

BattleManager.invokeNormalAction = function (subject, target) {
    var realTarget = this.applySubstitute(target);
    this._action.apply(realTarget);
    this._logWindow.displayActionResults(subject, realTarget);
};

BattleManager.invokeCounterAttack = function (subject, target) {
    var action = new Game_Action(target);
    action.setAttack();
    action.apply(subject);
    this._logWindow.displayCounter(target);
    this._logWindow.displayActionResults(subject, subject);
};

BattleManager.invokeMagicReflection = function (subject, target) {
    this._logWindow.displayReflection(target);
    this._action.apply(subject);
    this._logWindow.displayActionResults(subject, subject);
};

BattleManager.applySubstitute = function (target) {
    if (this.checkSubstitute(target)) {
        var substitute = target.friendsUnit().substituteBattler();
        if (substitute && target !== substitute) {
            this._logWindow.displaySubstitute(substitute, target);
            return substitute;
        }
    }
    return target;
};

BattleManager.checkSubstitute = function (target) {
    return target.isDying() && !this._action.isCertainHit();
};

BattleManager.isActionForced = function () {
    return !!this._actionForcedBattler;
};

BattleManager.forceAction = function (battler) {
    this._actionForcedBattler = battler;
    var index = this._actionBattlers.indexOf(battler);
    if (index >= 0) {
        this._actionBattlers.splice(index, 1);
    }
};

BattleManager.processForcedAction = function () {
    if (this._actionForcedBattler) {
        this._subject = this._actionForcedBattler;
        this._actionForcedBattler = null;
        this.startAction();
        this._subject.removeCurrentAction();
    }
};

BattleManager.abort = function () {
    this._phase = 'aborting';
};

BattleManager.checkBattleEnd = function () {
    if (this._phase) {
        if (this.checkAbort()) {
            return true;
        } else if ($gameParty.isAllDead()) {
            this.processDefeat();
            return true;
        } else if ($gameTroop.isAllDead()) {
            this.processVictory();
            return true;
        }
    }
    return false;
};

BattleManager.checkAbort = function () {
    if ($gameParty.isEmpty() || this.isAborting()) {
        this.processAbort();
        return true;
    }
    return false;
};

BattleManager.processVictory = function () {
    $gameParty.removeBattleStates();
    $gameParty.performVictory();
    this.playVictoryMe();
    this.replayBgmAndBgs();
    this.makeRewards();
    this.displayVictoryMessage();
    this.displayRewards();
    this.gainRewards();
    this.endBattle(0);
};

BattleManager.processEscape = function () {
    $gameParty.performEscape();
    SoundManager.playEscape();
    var success = this._preemptive ? true : (Math.random() < this._escapeRatio);
    if (success) {
        this.displayEscapeSuccessMessage();
        this._escaped = true;
        this.processAbort();
    } else {
        this.displayEscapeFailureMessage();
        this._escapeRatio += 0.1;
        $gameParty.clearActions();
        this.startTurn();
    }
    return success;
};

BattleManager.processAbort = function () {
    $gameParty.removeBattleStates();
    this.replayBgmAndBgs();
    this.endBattle(1);
};

BattleManager.processDefeat = function () {
    this.displayDefeatMessage();
    this.playDefeatMe();
    if (this._canLose) {
        this.replayBgmAndBgs();
    } else {
        AudioManager.stopBgm();
    }
    this.endBattle(2);
};

BattleManager.endBattle = function (result) {
    this._phase = 'battleEnd';
    if (this._eventCallback) {
        this._eventCallback(result);
    }
    if (result === 0) {
        $gameSystem.onBattleWin();
    } else if (this._escaped) {
        $gameSystem.onBattleEscape();
    }
};

BattleManager.updateBattleEnd = function () {
    if (this.isBattleTest()) {
        AudioManager.stopBgm();
        SceneManager.exit();
    } else if ($gameParty.isAllDead()) {
        if (this._canLose) {
            $gameParty.reviveBattleMembers();
            SceneManager.pop();
        } else {
            SceneManager.goto(Scene_Gameover);
        }
    } else {
        SceneManager.pop();
    }
    this._phase = null;
};

BattleManager.makeRewards = function () {
    this._rewards = {};
    this._rewards.gold = $gameTroop.goldTotal();
    this._rewards.exp = $gameTroop.expTotal();
    this._rewards.items = $gameTroop.makeDropItems();
};

BattleManager.displayVictoryMessage = function () {
    $gameMessage.add(TextManager.victory.format($gameParty.name()));
};

BattleManager.displayDefeatMessage = function () {
    $gameMessage.add(TextManager.defeat.format($gameParty.name()));
};

BattleManager.displayEscapeSuccessMessage = function () {
    $gameMessage.add(TextManager.escapeStart.format($gameParty.name()));
};

BattleManager.displayEscapeFailureMessage = function () {
    $gameMessage.add(TextManager.escapeStart.format($gameParty.name()));
    $gameMessage.add('\\.' + TextManager.escapeFailure);
};

BattleManager.displayRewards = function () {
    this.displayExp();
    this.displayGold();
    this.displayDropItems();
};

BattleManager.displayExp = function () {
    var exp = this._rewards.exp;
    if (exp > 0) {
        var text = TextManager.obtainExp.format(exp, TextManager.exp);
        $gameMessage.add('\\.' + text);
    }
};

BattleManager.displayGold = function () {
    var gold = this._rewards.gold;
    if (gold > 0) {
        $gameMessage.add('\\.' + TextManager.obtainGold.format(gold));
    }
};

BattleManager.displayDropItems = function () {
    var items = this._rewards.items;
    if (items.length > 0) {
        $gameMessage.newPage();
        items.forEach(function (item) {
            $gameMessage.add(TextManager.obtainItem.format(item.name));
        });
    }
};

BattleManager.gainRewards = function () {
    this.gainExp();
    this.gainGold();
    this.gainDropItems();
};

BattleManager.gainExp = function () {
    var exp = this._rewards.exp;
    $gameParty.allMembers().forEach(function (actor) {
        actor.gainExp(exp);
    });
};

BattleManager.gainGold = function () {
    $gameParty.gainGold(this._rewards.gold);
};

BattleManager.gainDropItems = function () {
    var items = this._rewards.items;
    items.forEach(function (item) {
        $gameParty.gainItem(item, 1);
    });
};

//-----------------------------------------------------------------------------
// PluginManager
//
//插件管理类

function PluginManager() {
    throw new Error('This is a static class');
}

//插件所在的根路径
PluginManager._path = 'js/plugins/';
//这里保存的只是所有脚本的名字,用来比对重复加载和查询
PluginManager._scripts = [];
//保存加载失败插件的url
PluginManager._errorUrls = [];
//所有待设置的参数
PluginManager._parameters = {};

//初始化
PluginManager.setup = function (plugins) {
    plugins.forEach(function (plugin) {
        if (plugin.status && !this._scripts.contains(plugin.name)) {
            //填充参数
            this.setParameters(plugin.name, plugin.parameters);
            //加载
            this.loadScript(plugin.name + '.js');
            this._scripts.push(plugin.name);
        }
    }, this);
};

/**
 * 检测是否加载正确 如果有插件加载失败 则抛出错误
 */
PluginManager.checkErrors = function () {
    var url = this._errorUrls.shift();
    if (url) {
        throw new Error('Failed to load: ' + url);
    }
};

/**
 * 获取插件的设置值，这个应该是在ide里面设置好之后ide会导出一份json数据，然后再加载进来
 * @param name
 * @returns {*|{}}
 */
PluginManager.parameters = function (name) {
    return this._parameters[name.toLowerCase()] || {};
};

/**
 * 设置关于插件的键值对
 * @param name
 * @param parameters
 */
PluginManager.setParameters = function (name, parameters) {
    this._parameters[name.toLowerCase()] = parameters;
};

//根据文件名加载一个插件
PluginManager.loadScript = function (name) {
    //路径为基础文件夹路径加上文件名
    var url = this._path + name;
    //加载方式是使用挂载script节点到html上，顺便这个在桌面环境上也是可以用的
    var script = document.createElement('script');
    script.type = 'text/javascript';
    script.src = url;
    script.async = false;
    script.onerror = this.onError.bind(this);
    script._url = url;
    document.body.appendChild(script);
};

PluginManager.onError = function (e) {
    this._errorUrls.push(e.target._url);
};