1 /**************************************************************************** 2 Copyright (c) 2008-2010 Ricardo Quesada 3 Copyright (c) 2011-2012 cocos2d-x.org 4 Copyright (c) 2013-2014 Chukong Technologies Inc. 5 6 http://www.cocos2d-x.org 7 8 Permission is hereby granted, free of charge, to any person obtaining a copy 9 of this software and associated documentation files (the "Software"), to deal 10 in the Software without restriction, including without limitation the rights 11 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 12 copies of the Software, and to permit persons to whom the Software is 13 furnished to do so, subject to the following conditions: 14 15 The above copyright notice and this permission notice shall be included in 16 all copies or substantial portions of the Software. 17 18 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 19 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 20 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 21 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 22 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 23 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 24 THE SOFTWARE. 25 ****************************************************************************/ 26 27 var cc = cc || {}; 28 cc._tmp = cc._tmp || {}; 29 30 /** 31 * Function added for JS bindings compatibility. Not needed in cocos2d-html5. 32 * @function 33 * @param {object} jsObj subclass 34 * @param {object} superclass 35 */ 36 cc.associateWithNative = function (jsObj, superclass) { 37 }; 38 39 /** 40 * keymap 41 * @example 42 * //Example 43 * //to mark a keydown 44 * cc.keyDown[65] = true; 45 * //or 46 * cc.keyMap[cc.KEY.a] 47 * 48 * //to mark a keyup 49 * do cc.keyDown[65] = false; 50 * 51 * //to find out if a key is down, check 52 * if(cc.keyDown[65]) 53 * //or 54 * if,(cc.keyDown[cc.KEY.space]) 55 * //if its undefined or false or null, its not pressed 56 * @constant 57 * @type object 58 */ 59 cc.KEY = { 60 backspace:8, 61 tab:9, 62 enter:13, 63 shift:16, //should use shiftkey instead 64 ctrl:17, //should use ctrlkey 65 alt:18, //should use altkey 66 pause:19, 67 capslock:20, 68 escape:27, 69 pageup:33, 70 pagedown:34, 71 end:35, 72 home:36, 73 left:37, 74 up:38, 75 right:39, 76 down:40, 77 insert:45, 78 Delete:46, 79 0:48, 80 1:49, 81 2:50, 82 3:51, 83 4:52, 84 5:53, 85 6:54, 86 7:55, 87 8:56, 88 9:57, 89 a:65, 90 b:66, 91 c:67, 92 d:68, 93 e:69, 94 f:70, 95 g:71, 96 h:72, 97 i:73, 98 j:74, 99 k:75, 100 l:76, 101 m:77, 102 n:78, 103 o:79, 104 p:80, 105 q:81, 106 r:82, 107 s:83, 108 t:84, 109 u:85, 110 v:86, 111 w:87, 112 x:88, 113 y:89, 114 z:90, 115 num0:96, 116 num1:97, 117 num2:98, 118 num3:99, 119 num4:100, 120 num5:101, 121 num6:102, 122 num7:103, 123 num8:104, 124 num9:105, 125 '*':106, 126 '+':107, 127 '-':109, 128 'numdel':110, 129 '/':111, 130 f1:112, //f1-f12 dont work on ie 131 f2:113, 132 f3:114, 133 f4:115, 134 f5:116, 135 f6:117, 136 f7:118, 137 f8:119, 138 f9:120, 139 f10:121, 140 f11:122, 141 f12:123, 142 numlock:144, 143 scrolllock:145, 144 semicolon:186, 145 ',':186, 146 equal:187, 147 '=':187, 148 ';':188, 149 comma:188, 150 dash:189, 151 '.':190, 152 period:190, 153 forwardslash:191, 154 grave:192, 155 '[':219, 156 openbracket:219, 157 ']':221, 158 closebracket:221, 159 backslash:220, 160 quote:222, 161 space:32 162 }; 163 164 /** 165 * Image Format:JPG 166 * @constant 167 * @type Number 168 */ 169 cc.FMT_JPG = 0; 170 171 /** 172 * Image Format:PNG 173 * @constant 174 * @type Number 175 */ 176 cc.FMT_PNG = 1; 177 178 /** 179 * Image Format:TIFF 180 * @constant 181 * @type Number 182 */ 183 cc.FMT_TIFF = 2; 184 185 /** 186 * Image Format:RAWDATA 187 * @constant 188 * @type Number 189 */ 190 cc.FMT_RAWDATA = 3; 191 192 /** 193 * Image Format:WEBP 194 * @constant 195 * @type Number 196 */ 197 cc.FMT_WEBP = 4; 198 199 /** 200 * Image Format:UNKNOWN 201 * @constant 202 * @type Number 203 */ 204 cc.FMT_UNKNOWN = 5; 205 206 cc.getImageFormatByData = function (imgData) { 207 // if it is a png file buffer. 208 if (imgData.length > 8 && imgData[0] == 0x89 209 && imgData[1] == 0x50 210 && imgData[2] == 0x4E 211 && imgData[3] == 0x47 212 && imgData[4] == 0x0D 213 && imgData[5] == 0x0A 214 && imgData[6] == 0x1A 215 && imgData[7] == 0x0A) { 216 return cc.FMT_PNG; 217 } 218 219 // if it is a tiff file buffer. 220 if (imgData.length > 2 && ((imgData[0] == 0x49 && imgData[1] == 0x49) 221 || (imgData[0] == 0x4d && imgData[1] == 0x4d) 222 || (imgData[0] == 0xff && imgData[1] == 0xd8))) { 223 return cc.FMT_TIFF; 224 } 225 return cc.FMT_UNKNOWN; 226 }; 227 228 // 229 // Another way to subclass: Using Google Closure. 230 // The following code was copied + pasted from goog.base / goog.inherits 231 // 232 cc.inherits = function (childCtor, parentCtor) { 233 function tempCtor() {} 234 tempCtor.prototype = parentCtor.prototype; 235 childCtor.superClass_ = parentCtor.prototype; 236 childCtor.prototype = new tempCtor(); 237 childCtor.prototype.constructor = childCtor; 238 239 // Copy "static" method, but doesn't generate subclasses. 240 // for( var i in parentCtor ) { 241 // childCtor[ i ] = parentCtor[ i ]; 242 // } 243 }; 244 245 cc.base = function(me, opt_methodName, var_args) { 246 var caller = arguments.callee.caller; 247 if (caller.superClass_) { 248 // This is a constructor. Call the superclass constructor. 249 ret = caller.superClass_.constructor.apply( me, Array.prototype.slice.call(arguments, 1)); 250 return ret; 251 } 252 253 var args = Array.prototype.slice.call(arguments, 2); 254 var foundCaller = false; 255 for (var ctor = me.constructor; ctor; ctor = ctor.superClass_ && ctor.superClass_.constructor) { 256 if (ctor.prototype[opt_methodName] === caller) { 257 foundCaller = true; 258 } else if (foundCaller) { 259 return ctor.prototype[opt_methodName].apply(me, args); 260 } 261 } 262 263 // If we did not find the caller in the prototype chain, 264 // then one of two things happened: 265 // 1) The caller is an instance method. 266 // 2) This method was not called by the right caller. 267 if (me[opt_methodName] === caller) { 268 return me.constructor.prototype[opt_methodName].apply(me, args); 269 } else { 270 throw Error( 271 'cc.base called from a method of one name ' + 272 'to a method of a different name'); 273 } 274 }; 275