1 /****************************************************************************
  2  Copyright (c) 2011-2012 cocos2d-x.org
  3  Copyright (c) 2013-2014 Chukong Technologies Inc.
  4 
  5  http://www.cocos2d-x.org
  6 
  7  Permission is hereby granted, free of charge, to any person obtaining a copy
  8  of this software and associated documentation files (the "Software"), to deal
  9  in the Software without restriction, including without limitation the rights
 10  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 11  copies of the Software, and to permit persons to whom the Software is
 12  furnished to do so, subject to the following conditions:
 13 
 14  The above copyright notice and this permission notice shall be included in
 15  all copies or substantial portions of the Software.
 16 
 17  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 18  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 19  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 20  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 21  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 22  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 23  THE SOFTWARE.
 24  ****************************************************************************/
 25 
 26 /**
 27  * Base class for ccs.Skin
 28  * @class
 29  * @extends ccs.Sprite
 30  *
 31  * @property {Object}   skinData    - The data of the skin
 32  * @property {ccs.Bone} bone        - The bone of the skin
 33  * @property {String}   displayName - <@readonly> The displayed name of skin
 34  *
 35  */
 36 ccs.Skin = ccs.Sprite.extend(/** @lends ccs.Skin# */{
 37     _skinData: null,
 38     bone: null,
 39     _skinTransform: null,
 40     _displayName: "",
 41     _armature: null,
 42     _className: "Skin",
 43     ctor: function () {
 44         cc.Sprite.prototype.ctor.call(this);
 45         this._skinData = null;
 46         this.bone = null;
 47         this._displayName = "";
 48         this._skinTransform = cc.AffineTransformIdentity();
 49         this._armature = null;
 50     },
 51     initWithSpriteFrameName: function (spriteFrameName) {
 52         var ret = cc.Sprite.prototype.initWithSpriteFrameName.call(this, spriteFrameName);
 53         this._displayName = spriteFrameName;
 54         return ret;
 55     },
 56     initWithFile: function (fileName) {
 57         var ret = cc.Sprite.prototype.initWithFile.call(this, fileName);
 58         this._displayName = fileName;
 59         return ret;
 60     },
 61     setSkinData: function (skinData) {
 62         this._skinData = skinData;
 63 
 64         this.setScaleX(skinData.scaleX);
 65         this.setScaleY(skinData.scaleY);
 66         this.setRotationX(cc.radiansToDegrees(skinData.skewX));
 67         this.setRotationY(cc.radiansToDegrees(-skinData.skewY));
 68         this.setPosition(skinData.x, skinData.y);
 69 
 70         var localTransform = this.nodeToParentTransform();
 71         var skinTransform = this._skinTransform;
 72         skinTransform.a = localTransform.a;
 73         skinTransform.b = localTransform.b;
 74         skinTransform.c = localTransform.c;
 75         skinTransform.d = localTransform.d;
 76         skinTransform.tx = localTransform.tx;
 77         skinTransform.ty = localTransform.ty;
 78         this.updateArmatureTransform();
 79     },
 80 
 81     getSkinData: function () {
 82         return this._skinData;
 83     },
 84 
 85     setBone: function (bone) {
 86         this.bone = bone;
 87     },
 88 
 89     getBone: function () {
 90         return this.bone;
 91     },
 92 
 93     updateArmatureTransform: function () {
 94         this._transform = cc.AffineTransformConcat(this._skinTransform, this.bone.nodeToArmatureTransform());
 95         var locTransform = this._transform;
 96         var locArmature = this._armature;
 97         if (locArmature && locArmature.getBatchNode()) {
 98             this._transform = cc.AffineTransformConcat(locTransform, locArmature.nodeToParentTransform());
 99         }
100         if (cc._renderType === cc._RENDER_TYPE_CANVAS) {
101             locTransform = this._transform
102             locTransform.b *= -1;
103             locTransform.c *= -1;
104             var tempB = locTransform.b;
105             locTransform.b = locTransform.c;
106             locTransform.c = tempB;
107         }
108     },
109     /** returns a "local" axis aligned bounding box of the node. <br/>
110      * The returned box is relative only to its parent.
111      * @return {cc.Rect}
112      */
113     getBoundingBox: function () {
114         var rect = cc.rect(0, 0, this._contentSize.width, this._contentSize.height);
115         var transForm = this.nodeToParentTransform();
116         return cc.RectApplyAffineTransform(rect, transForm);
117     },
118 
119     /**
120      * display name getter
121      * @returns {String}
122      */
123     getDisplayName: function () {
124         return this._displayName;
125     },
126 
127     nodeToWorldTransform: function () {
128         return cc.AffineTransformConcat(this._transform, this.bone.getArmature().nodeToWorldTransform());
129     },
130 
131 
132     nodeToWorldTransformAR: function () {
133         var displayTransform = this._transform;
134         var anchorPoint = this._anchorPointInPoints;
135 
136         anchorPoint = cc.PointApplyAffineTransform(anchorPoint, displayTransform);
137         displayTransform.tx = anchorPoint.x;
138         displayTransform.ty = anchorPoint.y;
139 
140         return cc.AffineTransformConcat(displayTransform, this.bone.getArmature().nodeToWorldTransform());
141     }
142 });
143 ccs.Skin.prototype.nodeToParentTransform = cc.Node.prototype._nodeToParentTransformForWebGL;
144 
145 var _p = ccs.Skin.prototype;
146 
147 // Extended properties
148 /** @expose */
149 _p.skinData;
150 cc.defineGetterSetter(_p, "skinData", _p.getSkinData, _p.setSkinData);
151 /** @expose */
152 _p.displayName;
153 cc.defineGetterSetter(_p, "displayName", _p.getDisplayName);
154 
155 _p = null;
156 
157 /**
158  * allocates and initializes a skin.
159  * @param {String} fileName
160  * @param {cc.Rect} rect
161  * @returns {ccs.Skin}
162  * @example
163  * // example
164  * var skin = ccs.Skin.create("res/test.png",cc.rect(0,0,50,50));
165  */
166 ccs.Skin.create = function (fileName, rect) {
167     var argnum = arguments.length;
168     var sprite = new ccs.Skin();
169     if (argnum === 0) {
170         if (sprite.init())
171             return sprite;
172     } else {
173         if (sprite && sprite.initWithFile(fileName, rect))
174             return sprite;
175     }
176     return null;
177 };
178 
179 /**
180  * allocates and initializes a skin.
181  * @param {String} pszSpriteFrameName
182  * @returns {ccs.Skin}
183  * @example
184  * // example
185  * var skin = ccs.Skin.createWithSpriteFrameName("test.png");
186  */
187 ccs.Skin.createWithSpriteFrameName = function (pszSpriteFrameName) {
188     var skin = new ccs.Skin();
189     if (skin && skin.initWithSpriteFrameName(pszSpriteFrameName)) {
190         return skin;
191     }
192     return null;
193 };
194