初始化

engine/extensions/dragonbones/DragonBonesAsset.js

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+/****************************************************************************
+ Copyright (c) 2016 Chukong Technologies Inc.
+ Copyright (c) 2017-2018 Xiamen Yaji Software Co., Ltd.
+
+ https://www.cocos.com/
+
+ Permission is hereby granted, free of charge, to any person obtaining a copy
+ of this software and associated engine source code (the "Software"), a limited,
+ worldwide, royalty-free, non-assignable, revocable and non-exclusive license
+ to use Cocos Creator solely to develop games on your target platforms. You shall
+ not use Cocos Creator software for developing other software or tools that's
+ used for developing games. You are not granted to publish, distribute,
+ sublicense, and/or sell copies of Cocos Creator.
+
+ The software or tools in this License Agreement are licensed, not sold.
+ Xiamen Yaji Software Co., Ltd. reserves all rights not expressly granted to you.
+
+ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ THE SOFTWARE.
+ ****************************************************************************/
+
+/**
+ * @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;