cocos-enhance-kit/engine/extensions/dragonbones/DragonBonesAsset.js

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 Copyright (c) 2016 Chukong Technologies Inc.
 Copyright (c) 2017-2018 Xiamen Yaji Software Co., Ltd.

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/**
 * @module dragonBones
 */
let ArmatureCache = !CC_JSB && require('./ArmatureCache').sharedCache;

/**
 * !#en The skeleton data of dragonBones.
 * !#zh dragonBones 的 骨骼数据。
 * @class DragonBonesAsset
 * @extends Asset
 */
var DragonBonesAsset = cc.Class({
    name: 'dragonBones.DragonBonesAsset',
    extends: cc.Asset,

    ctor () {
        this.reset();
    },

    properties: {
        _dragonBonesJson : '',

        /**
         * !#en See http://developer.egret.com/cn/github/egret-docs/DB/dbLibs/dataFormat/index.html
         * !#zh 可查看 DragonBones 官方文档 http://developer.egret.com/cn/github/egret-docs/DB/dbLibs/dataFormat/index.html
         * @property {string} dragonBonesJson
         */
        dragonBonesJson : {
            get: function () {
                return this._dragonBonesJson;
            },
            set: function (value) {
                this._dragonBonesJson = value;
                this._dragonBonesJsonData = JSON.parse(value);
                this.reset();
            }
        },

        _nativeAsset: {
            get () {
                return this._buffer;
            },
            set (bin) {
                this._buffer = bin.buffer || bin;
                this.reset();
            },
            override: true
        },
    },

    statics: {
        preventDeferredLoadDependents: true
    },

    createNode: CC_EDITOR &&  function (callback) {
        var node = new cc.Node(this.name);
        var armatureDisplay = node.addComponent(dragonBones.ArmatureDisplay);
        armatureDisplay.dragonAsset = this;

        return callback(null, node);
    },

    reset () {
        this._clear();
        if (CC_EDITOR) {
            this._armaturesEnum = null;
        }
    },

    init (factory, atlasUUID) {
        if (CC_EDITOR) {
            this._factory = factory || new dragonBones.CCFactory();
        } else {
            this._factory = factory;
        }

        if (!this._dragonBonesJsonData && this.dragonBonesJson) {
            this._dragonBonesJsonData = JSON.parse(this.dragonBonesJson);
        }

        let rawData = null;
        if (this._dragonBonesJsonData) {
            rawData = this._dragonBonesJsonData;
        } else {
            rawData = this._nativeAsset;
        }

        // If create by manual, uuid is empty.
        if (!this._uuid) {
            let dbData = this._factory.getDragonBonesDataByRawData(rawData);
            if (dbData) {
                this._uuid = dbData.name;
            } else {
                cc.warn('dragonbones name is empty');
            }
        }

        let armatureKey = this._uuid + "#" + atlasUUID;
        let dragonBonesData = this._factory.getDragonBonesData(armatureKey);
        if (dragonBonesData) return armatureKey;

        this._factory.parseDragonBonesData(rawData, armatureKey);
        return armatureKey;
    },

    // EDITOR

    getArmatureEnum: CC_EDITOR && function () {
        if (this._armaturesEnum) {
            return this._armaturesEnum;
        }
        this.init();
        let dragonBonesData = this._factory.getDragonBonesDataByUUID(this._uuid);
        if (dragonBonesData) {
            var armatureNames = dragonBonesData.armatureNames;
            var enumDef = {};
            for (var i = 0; i < armatureNames.length; i++) {
                var name = armatureNames[i];
                enumDef[name] = i;
            }
            return this._armaturesEnum = cc.Enum(enumDef);
        }
        return null;
    },

    getAnimsEnum: CC_EDITOR && function (armatureName) {
        this.init();

        let dragonBonesData = this._factory.getDragonBonesDataByUUID(this._uuid);
        if (dragonBonesData) {
            var armature = dragonBonesData.getArmature(armatureName);
            if (!armature) {
                return null;
            }

            var enumDef = { '<None>': 0 };
            var anims = armature.animations;
            var i = 0;
            for (var animName in anims) {
                if (anims.hasOwnProperty(animName)) {
                    enumDef[animName] = i + 1;
                    i++;
                }
            }
            return cc.Enum(enumDef);
        }
        return null;
    },

    _clear () {
        if (this._factory) {
            ArmatureCache.resetArmature(this._uuid);
            this._factory.removeDragonBonesDataByUUID(this._uuid, true);
        }
    },

    destroy () {
        this._clear();
        this._super();
    },
});

dragonBones.DragonBonesAsset = module.exports = DragonBonesAsset;