1 /****************************************************************************
  2  Copyright (c) 2010-2012 cocos2d-x.org
  3 
  4  http://www.cocos2d-x.org
  5 
  6  Permission is hereby granted, free of charge, to any person obtaining a copy
  7  of this software and associated documentation files (the "Software"), to deal
  8  in the Software without restriction, including without limitation the rights
  9  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 10  copies of the Software, and to permit persons to whom the Software is
 11  furnished to do so, subject to the following conditions:
 12 
 13  The above copyright notice and this permission notice shall be included in
 14  all copies or substantial portions of the Software.
 15 
 16  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 17  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 18  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 19  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 20  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 21  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 22  THE SOFTWARE.
 23  ****************************************************************************/
 24 
 25 /**
 26  * Base class for ccs.Skin
 27  * @class
 28  * @extends ccs.Sprite
 29  */
 30 ccs.Skin = ccs.Sprite.extend(/** @lends ccs.Skin# */{
 31     _skinData:null,
 32     _bone:null,
 33     _skinTransform:null,
 34     _displayName:"",
 35     _armature:null,
 36     ctor:function () {
 37         cc.Sprite.prototype.ctor.call(this);
 38         this._skinData = null;
 39         this._bone = null;
 40         this._displayName = "";
 41         this._skinTransform = cc.AffineTransformIdentity();
 42         this._armature = null;
 43     },
 44     initWithSpriteFrameName:function(spriteFrameName){
 45         var ret = cc.Sprite.prototype.initWithSpriteFrameName.call(this,spriteFrameName);
 46         this._displayName = spriteFrameName;
 47         return ret;
 48     },
 49     initWithFile:function(fileName){
 50         var ret = cc.Sprite.prototype.initWithFile.call(this,fileName);
 51         this._displayName = fileName;
 52         return ret;
 53     },
 54     setSkinData:function (skinData) {
 55         this._skinData = skinData;
 56 
 57         this.setScaleX(skinData.scaleX);
 58         this.setScaleY(skinData.scaleY);
 59         this.setRotationX(cc.RADIANS_TO_DEGREES(skinData.skewX));
 60         this.setRotationY(cc.RADIANS_TO_DEGREES(-skinData.skewY));
 61         this.setPosition(skinData.x, skinData.y);
 62 
 63         var localTransform = this.nodeToParentTransform();
 64         var skinTransform = this._skinTransform;
 65         skinTransform.a = localTransform.a;
 66         skinTransform.b = localTransform.b;
 67         skinTransform.c = localTransform.c;
 68         skinTransform.d = localTransform.d;
 69         skinTransform.tx = localTransform.tx;
 70         skinTransform.ty = localTransform.ty;
 71         this.updateArmatureTransform();
 72     },
 73 
 74     getSkinData:function () {
 75         return this._skinData;
 76     },
 77 
 78     setBone:function (bone) {
 79         this._bone = bone;
 80     },
 81 
 82     getBone:function () {
 83         return this._bone;
 84     },
 85 
 86     updateArmatureTransform:function () {
 87         this._transform = cc.AffineTransformConcat(this._skinTransform, this._bone.nodeToArmatureTransform());
 88         var locTransform = this._transform;
 89         var locArmature = this._armature;
 90         if (locArmature && locArmature.getBatchNode()) {
 91             this._transform = cc.AffineTransformConcat(locTransform, locArmature.nodeToParentTransform());
 92         }
 93         if (cc.renderContextType === cc.CANVAS) {
 94             locTransform = this._transform
 95             locTransform.b *= -1;
 96             locTransform.c *= -1;
 97             var tempB = locTransform.b;
 98             locTransform.b = locTransform.c;
 99             locTransform.c = tempB;
100         }
101     },
102     /** returns a "local" axis aligned bounding box of the node. <br/>
103      * The returned box is relative only to its parent.
104      * @return {cc.Rect}
105      */
106     getBoundingBox:function () {
107         var rect = cc.rect(0, 0, this._contentSize.width, this._contentSize.height);
108         var transForm = this.nodeToParentTransform();
109         return cc.RectApplyAffineTransform(rect, transForm);
110     },
111 
112     /**
113      * display name getter
114      * @returns {String}
115      */
116     getDisplayName:function(){
117         return this._displayName;
118     },
119 
120     nodeToWorldTransform: function () {
121         return cc.AffineTransformConcat(this._transform, this._bone.getArmature().nodeToWorldTransform());
122     },
123 
124 
125     nodeToWorldTransformAR: function () {
126         var displayTransform = this._transform;
127         var anchorPoint = this._anchorPointInPoints;
128 
129         anchorPoint = cc.PointApplyAffineTransform(anchorPoint, displayTransform);
130         displayTransform.tx = anchorPoint.x;
131         displayTransform.ty = anchorPoint.y;
132 
133         return cc.AffineTransformConcat(displayTransform, this._bone.getArmature().nodeToWorldTransform());
134     }
135 });
136 ccs.Skin.prototype.nodeToParentTransform = cc.Node.prototype._nodeToParentTransformForWebGL;
137 /**
138  * allocates and initializes a skin.
139  * @param {String} fileName
140  * @param {cc.Rect} rect
141  * @returns {ccs.Skin}
142  * @example
143  * // example
144  * var skin = ccs.Skin.create("res/test.png",cc.rect(0,0,50,50));
145  */
146 ccs.Skin.create = function (fileName, rect) {
147     var argnum = arguments.length;
148     var sprite = new ccs.Skin();
149     if (argnum === 0) {
150         if (sprite.init())
151             return sprite;
152     } else {
153         if (sprite && sprite.initWithFile(fileName, rect))
154             return sprite;
155     }
156     return null;
157 };
158 
159 /**
160  * allocates and initializes a skin.
161  * @param {String} pszSpriteFrameName
162  * @returns {ccs.Skin}
163  * @example
164  * // example
165  * var skin = ccs.Skin.createWithSpriteFrameName("test.png");
166  */
167 ccs.Skin.createWithSpriteFrameName = function (pszSpriteFrameName) {
168     var skin = new ccs.Skin();
169     if (skin && skin.initWithSpriteFrameName(pszSpriteFrameName)) {
170         return skin;
171     }
172     return null;
173 };
174