add JsonAsset

cocos2d/core/assets/CCJsonAsset.js

@@ -0,0 +1,51 @@
+/****************************************************************************
+ Copyright (c) 2017-2018 Xiamen Yaji Software Co., Ltd.
+
+ http://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.
+ ****************************************************************************/
+
+/**
+ * !#en
+ * Class for JSON file. When the JSON file is loaded, this object is returned.
+ * The parsed JSON object can be accessed through the `json` attribute in it.<br>
+ * If you want to get the original JSON text, you should modify the extname to `.txt`
+ * so that it is loaded as a `TextAsset` instead of a `JsonAsset`.
+ *
+ * !#zh
+ * JSON 资源类。JSON 文件加载后，将会返回该对象。可以通过其中的 `json` 属性访问解析后的 JSON 对象。<br>
+ * 如果你想要获得 JSON 的原始文本，那么应该修改源文件的后缀为 `.txt`，这样就会加载为一个 `TextAsset` 而不是 `JsonAsset`。
+ *
+ * @class JsonAsset
+ * @extends Asset
+ */
+var JsonAsset = cc.Class({
+    name: 'cc.JsonAsset',
+    extends: cc.Asset,
+    properties: {
+        /**
+         * @property {Object} json - The loaded JSON object.
+         */
+        json: null,
+    },
+});
+
+module.exports = cc.JsonAsset = JsonAsset;

cocos2d/core/assets/index.js

@@ -38,3 +38,4 @@ require('./CCSpriteAtlas');
 require('./CCBitmapFont');
 require('./CCLabelAtlas');
 require('./CCTextAsset');
+require('./CCJsonAsset');