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     _blend:null,
 36     _armature:null,
 37     ctor:function () {
 38         cc.Sprite.prototype.ctor.call(this);
 39         this._skinData = null;
 40         this._bone = null;
 41         this._displayName = "";
 42         this._skinTransform = cc.AffineTransformIdentity();
 43         this._blend = new cc.BlendFunc(cc.BLEND_SRC, cc.BLEND_DST);
 44         this._armature = null;
 45     },
 46     initWithSpriteFrameName:function(spriteFrameName){
 47         var ret = cc.Sprite.prototype.initWithSpriteFrameName.call(this,spriteFrameName);
 48         this._displayName = spriteFrameName;
 49         return ret;
 50     },
 51     initWithFile:function(fileName){
 52         var ret = cc.Sprite.prototype.initWithFile.call(this,spriteFrameName);
 53         this._displayName = fileName;
 54         return ret;
 55     },
 56     setSkinData:function (skinData) {
 57         this._skinData = skinData;
 58 
 59         this.setScaleX(skinData.scaleX);
 60         this.setScaleY(skinData.scaleY);
 61         this.setRotationX(cc.RADIANS_TO_DEGREES(skinData.skewX));
 62         this.setRotationY(cc.RADIANS_TO_DEGREES(-skinData.skewY));
 63         this.setPosition(skinData.x, skinData.y);
 64 
 65         this._skinTransform = this.nodeToParentTransform();
 66         this.updateArmatureTransform();
 67     },
 68 
 69     getSkinData:function () {
 70         return this._skinData;
 71     },
 72 
 73     setBone:function (bone) {
 74         this._bone = bone;
 75     },
 76 
 77     getBone:function () {
 78         return this._bone;
 79     },
 80 
 81     updateArmatureTransform:function () {
 82         this._transform = cc.AffineTransformConcat(this._skinTransform, this._bone.nodeToArmatureTransform());
 83         var locTransform = this._transform;
 84         var locArmature = this._armature;
 85         if (locArmature && locArmature.getBatchNode()) {
 86             this._transform = cc.AffineTransformConcat(locTransform, locTransform.nodeToParentTransform());
 87         }
 88     },
 89     /** returns a "local" axis aligned bounding box of the node. <br/>
 90      * The returned box is relative only to its parent.
 91      * @return {cc.Rect}
 92      */
 93     getBoundingBox:function () {
 94         var rect = cc.rect(0, 0, this._contentSize.width, this._contentSize.height);
 95         var transForm = this.nodeToParentTransform();
 96         return cc.RectApplyAffineTransform(rect, transForm);
 97     },
 98 
 99     /**
100      * display name getter
101      * @returns {String}
102      */
103     getDisplayName:function(){
104         return this._displayName;
105     },
106 
107     nodeToWorldTransform: function () {
108         return cc.AffineTransformConcat(this._transform, this._bone.getArmature().nodeToWorldTransform());
109     },
110 
111 
112     nodeToWorldTransformAR: function () {
113         var displayTransform = this._transform;
114         var anchorPoint = this._anchorPointInPoints;
115 
116         anchorPoint = cc.PointApplyAffineTransform(anchorPoint, displayTransform);
117         displayTransform.tx = anchorPoint.x;
118         displayTransform.ty = anchorPoint.y;
119 
120         return cc.AffineTransformConcat(displayTransform, this._bone.getArmature().nodeToWorldTransform());
121     },
122     /**
123      * update blendType
124      * @param {ccs.BlendType} blendType
125      */
126     updateBlendType: function (blendType) {
127         var blendFunc = this._blend;
128         switch (blendType) {
129             case ccs.BlendType.normal:
130                 blendFunc.src = cc.BLEND_SRC;
131                 blendFunc.dst = cc.BLEND_DST;
132                 break;
133             case ccs.BlendType.add:
134                 blendFunc.src = gl.SRC_ALPHA;
135                 blendFunc.dst = gl.ONE;
136                 break;
137             case ccs.BlendType.multiply:
138                 blendFunc.src = gl.ONE_MINUS_SRC_ALPHA;
139                 blendFunc.dst = gl.ONE_MINUS_DST_COLOR;
140                 break;
141             case ccs.BlendType.screen:
142                 blendFunc.src = gl.ONE;
143                 blendFunc.dst = gl.ONE_MINUS_DST_COLOR;
144                 break;
145             default:
146                 break;
147         }
148         this.setBlendFunc(blendFunc.src, blendFunc.dst);
149     }
150 });
151 
152 /**
153  * allocates and initializes a skin.
154  * @param {String} fileName
155  * @param {cc.Rect} rect
156  * @returns {ccs.Skin}
157  * @example
158  * // example
159  * var skin = ccs.Skin.create("res/test.png",cc.rect(0,0,50,50));
160  */
161 ccs.Skin.create = function (fileName, rect) {
162     var argnum = arguments.length;
163     var sprite = new ccs.Skin();
164     if (argnum === 0) {
165         if (sprite.init())
166             return sprite;
167     } else {
168         if (sprite && sprite.initWithFile(fileName, rect))
169             return sprite;
170     }
171     return null;
172 };
173 
174 /**
175  * allocates and initializes a skin.
176  * @param {String} pszSpriteFrameName
177  * @returns {ccs.Skin}
178  * @example
179  * // example
180  * var skin = ccs.Skin.createWithSpriteFrameName("test.png");
181  */
182 ccs.Skin.createWithSpriteFrameName = function (pszSpriteFrameName) {
183     var skin = new ccs.Skin();
184     if (skin && skin.initWithSpriteFrameName(pszSpriteFrameName)) {
185         return skin;
186     }
187     return null;
188 };