├── FileSaver.min.js
├── README.md
├── create_texture.js
├── index.html
├── index_backup.html
├── jszip.min.js
├── script.js
└── styles.css


/FileSaver.min.js:
--------------------------------------------------------------------------------
1 | (function(a,b){if("function"==typeof define&&define.amd)define([],b);else if("undefined"!=typeof exports)b();else{b(),a.FileSaver={exports:{}}.exports}})(this,function(){"use strict";function b(a,b){return"undefined"==typeof b?b={autoBom:!1}:"object"!=typeof b&&(console.warn("Deprecated: Expected third argument to be a object"),b={autoBom:!b}),b.autoBom&&/^\s*(?:text\/\S*|application\/xml|\S*\/\S*\+xml)\s*;.*charset\s*=\s*utf-8/i.test(a.type)?new Blob(["\uFEFF",a],{type:a.type}):a}function c(a,b,c){var d=new XMLHttpRequest;d.open("GET",a),d.responseType="blob",d.onload=function(){g(d.response,b,c)},d.onerror=function(){console.error("could not download file")},d.send()}function d(a){var b=new XMLHttpRequest;b.open("HEAD",a,!1);try{b.send()}catch(a){}return 200<=b.status&&299>=b.status}function e(a){try{a.dispatchEvent(new MouseEvent("click"))}catch(c){var b=document.createEvent("MouseEvents");b.initMouseEvent("click",!0,!0,window,0,0,0,80,20,!1,!1,!1,!1,0,null),a.dispatchEvent(b)}}var f="object"==typeof window&&window.window===window?window:"object"==typeof self&&self.self===self?self:"object"==typeof global&&global.global===global?global:void 0,a=f.navigator&&/Macintosh/.test(navigator.userAgent)&&/AppleWebKit/.test(navigator.userAgent)&&!/Safari/.test(navigator.userAgent),g=f.saveAs||("object"!=typeof window||window!==f?function(){}:"download"in HTMLAnchorElement.prototype&&!a?function(b,g,h){var i=f.URL||f.webkitURL,j=document.createElement("a");g=g||b.name||"download",j.download=g,j.rel="noopener","string"==typeof b?(j.href=b,j.origin===location.origin?e(j):d(j.href)?c(b,g,h):e(j,j.target="_blank")):(j.href=i.createObjectURL(b),setTimeout(function(){i.revokeObjectURL(j.href)},4E4),setTimeout(function(){e(j)},0))}:"msSaveOrOpenBlob"in navigator?function(f,g,h){if(g=g||f.name||"download","string"!=typeof f)navigator.msSaveOrOpenBlob(b(f,h),g);else if(d(f))c(f,g,h);else{var i=document.createElement("a");i.href=f,i.target="_blank",setTimeout(function(){e(i)})}}:function(b,d,e,g){if(g=g||open("","_blank"),g&&(g.document.title=g.document.body.innerText="downloading..."),"string"==typeof b)return c(b,d,e);var h="application/octet-stream"===b.type,i=/constructor/i.test(f.HTMLElement)||f.safari,j=/CriOS\/[\d]+/.test(navigator.userAgent);if((j||h&&i||a)&&"undefined"!=typeof FileReader){var k=new FileReader;k.onloadend=function(){var a=k.result;a=j?a:a.replace(/^data:[^;]*;/,"data:attachment/file;"),g?g.location.href=a:location=a,g=null},k.readAsDataURL(b)}else{var l=f.URL||f.webkitURL,m=l.createObjectURL(b);g?g.location=m:location.href=m,g=null,setTimeout(function(){l.revokeObjectURL(m)},4E4)}});f.saveAs=g.saveAs=g,"undefined"!=typeof module&&(module.exports=g)});


--------------------------------------------------------------------------------
/README.md:
--------------------------------------------------------------------------------
1 | You can see the wad-editor in action at http://j0e.io/tools/wad-editor
2 | 


--------------------------------------------------------------------------------
/create_texture.js:
--------------------------------------------------------------------------------
  1 | function createPalette(size, buffer) {
  2 | 
  3 |   //Create a frequency list of all colors in the buffer
  4 |   var colors = [];
  5 | 
  6 |   // For every pixel
  7 |   for (var i = 0; i < buffer.length; i += 4) {
  8 | 
  9 |     // Get the rgb values of the current pixel
 10 |     var r = buffer[i+0];
 11 |     var g = buffer[i+1];
 12 |     var b = buffer[i+2];
 13 | 
 14 |     // Compare against the already catalogued colors list
 15 |     var found = false;
 16 |     for (var j = 0; j < colors.length; j++) {
 17 | 
 18 |       // If color is already noted, add to its frequency count
 19 |       if (colors[j].r == r && colors[j].g == g && colors[j].b == b) {
 20 |         colors[j].frequency++;
 21 |         found = true;
 22 |         break;
 23 |       }  
 24 |     }
 25 | 
 26 |     // If color not found in the loop, this is a new color, add it
 27 |     if (!found)
 28 |       colors.push({r:r, g:g, b:b, frequency:0});
 29 | 
 30 |   }
 31 | 
 32 |   // Sory by frequency
 33 |   colors.sort( function(a, b) {return b.frequency - a.frequency;});
 34 | 
 35 |   // Get ready to form the palette
 36 |   var palette = [];
 37 | 
 38 |   // If the number of colors is <= the palette size, just add all the colors
 39 |   if (colors.length < size) {
 40 |     for (var i = 0; i < colors.length; i++)
 41 |       palette.push(colors[i]);
 42 |   }
 43 |   else {
 44 |     // How far to step in between in colors to get the widest possible range of the frequencies
 45 |     var step = Math.floor(colors.length / size);
 46 | 
 47 |     // Add the colors to the palette
 48 |     for (var i = 0, color = 0; i < size; i++, color += step) {
 49 |       palette.push(colors[color]);
 50 | 
 51 |       // Make sure the colors we skip over arent 0,0,255 BLUE, if so, add it
 52 |       for (var j = 1; j < step; j++) {
 53 | 
 54 |         // Get the current skipped color
 55 |         var skipped = colors[color+j];
 56 | 
 57 |         // Check if skipped color is 0,0,255 blue
 58 |         if (skipped.r == 0 && skipped.g == 0 && skipped.b == 255) {
 59 | 
 60 |           // Make sure were not at the end of the palette before pushing blue
 61 |           if (i < 255) {
 62 |             // Add blue to palette
 63 |             palette.push({r:0, g:0, b:255});
 64 |           }
 65 |           else {
 66 |             // Replace last index with blue, who cares what that final low-freq color was anyway
 67 |             palette[255] = {r:0, g:0, b:255};
 68 |           }
 69 | 
 70 |           // update the palette index so we don't add extra colors beyond index 255
 71 |           i++;
 72 |         }
 73 |       }
 74 |     }
 75 |   }
 76 | 
 77 |   // Check for blue 0 0 255 (Half-Life's transparency color) and put it in position 255
 78 |   var blueIndex = -1;
 79 |   for (var i = 0; i < palette.length; i++) {
 80 |     if (palette[i].r == 0 && palette[i].g == 0 && palette[i].b == 255) {
 81 |       blueIndex = i;
 82 |       break;
 83 |     }
 84 |   }
 85 | 
 86 |   // If blue was found
 87 |   if (blueIndex != -1) {
 88 |     
 89 |     // Is the palette is not full, just push blue in the back (after some padding).
 90 |     if (palette.length < 256) {
 91 | 
 92 |       // If the palette is not the full 256 length, fill it out. Blue must be in position 255.
 93 |       for (var i = palette.length - 1; i < 255; i++)
 94 |         palette.push({r:0, g:0, b:255});
 95 |     }
 96 |     // If the palette is full
 97 |     else {
 98 |       // Swap color at index 255 with blue
 99 |       var swapColor = palette[255];
100 |       palette[255] = palette[blueIndex];
101 |       palette[blueIndex] = swapColor;
102 |     }
103 |   }
104 | 
105 |   return palette;
106 | }
107 | 
108 | 
109 | function pixelsToPalette(buffer, palette) {
110 |   var newBuffer = [];
111 |   // For every pixel
112 |   for (var bufIndex = 0; bufIndex < buffer.length; bufIndex+=4) {
113 |     
114 |     // Collect current pixel
115 |     var r = buffer[bufIndex + 0];
116 |     var g = buffer[bufIndex + 1];
117 |     var b = buffer[bufIndex + 2];
118 | 
119 |     // Find the closest color within the palette
120 |     var closest = 16777216; // Start with max possible cubed distance
121 |     var closestIndex = -1;
122 |     for (var i = 0; i < palette.length; i++) {
123 |       // Get the current color      
124 |       var color = palette[i];
125 | 
126 |       // Calculate the distance between the image pixel's color and the current entry in the palette
127 |       var dist = (r - color.r)*(r - color.r) + (g - color.g)*(g - color.g) + (b - color.b)*(b - color.b);
128 | 
129 |       // If this is the closest distance yet, save it
130 |       if (dist < closest) {
131 |         closest = dist;
132 |         closestIndex = i;
133 |       }
134 |     }
135 | 
136 |     // Store closest color
137 |     newBuffer.push(closestIndex);  
138 |   }
139 | 
140 |   return newBuffer;
141 | }
142 | 
143 | 
144 | 
145 | function generateMipTexture(buffer, imgWidth) {
146 |   var mipBuffer = [];
147 | 
148 |   var width = imgWidth * 4; // The buffer is made of RGBA qaudruplets, so the true buffer width is 4 times the image width
149 | 
150 |   // For every other pixel in the buffer
151 |   for (var i = 0; i < buffer.length-width; i+=8) {
152 | 
153 |     // Only visit every other row
154 |     if (i % (width) == 0 && i != 0)
155 |       i += width;
156 | 
157 |     // Average the surrounding colors (2 right and 2 down)
158 |     var r = Math.round((buffer[i+0] + buffer[i+4+0] + buffer[i+width+0] + buffer[i+4+width+0]) / 4);
159 |     var g = Math.round((buffer[i+1] + buffer[i+4+1] + buffer[i+width+1] + buffer[i+4+width+1]) / 4);
160 |     var b = Math.round((buffer[i+2] + buffer[i+4+2] + buffer[i+width+2] + buffer[i+4+width+2]) / 4);
161 | 
162 |     // Add new RGBA quadruplet to MIP buffer
163 |     mipBuffer.push(r);
164 |     mipBuffer.push(g);
165 |     mipBuffer.push(b);
166 |     mipBuffer.push(255);    
167 |   }
168 |   return mipBuffer;
169 | }
170 | 
171 | 
172 | 
173 | self.onmessage = function(event) {
174 |     self.postMessage({type: "status", msg: "Beginning"});
175 | 
176 |     // Get the incoming pixel buffer
177 |     var rgbBuffer = event.data.buffer;
178 | 
179 |     // Create the palette
180 |     self.postMessage({type: "status", msg: "Creating palette"});
181 |     var palette = createPalette(256, rgbBuffer);
182 | 
183 |     // Create the MIP Textures
184 |     self.postMessage({type: "status", msg: "Generating MIP Textures"});
185 |     var mipLevel1 = generateMipTexture(rgbBuffer, event.data.width);
186 |     var mipLevel2 = generateMipTexture(mipLevel1, event.data.width/2);
187 |     var mipLevel3 = generateMipTexture(mipLevel2, event.data.width/4);
188 | 
189 |     // Convert the pixel buffer to palette-reference form
190 |     self.postMessage({type: "status", msg: "Palettizing image"});
191 |     var refBuffer = pixelsToPalette(rgbBuffer, palette);
192 | 
193 |     // Convert the MIP Textures to palette-reference form
194 |     self.postMessage({type: "status", msg: "Palettizing MIP Textures"});
195 |     mipLevel1 = pixelsToPalette(mipLevel1, palette);
196 |     mipLevel2 = pixelsToPalette(mipLevel2, palette);
197 |     mipLevel3 = pixelsToPalette(mipLevel3, palette);
198 | 
199 |     // Create the Texture object
200 |     var texture = {};
201 |     texture.palette = palette;
202 |     texture.height = event.data.height;
203 |     texture.width = event.data.width;
204 |     texture.mipLevel = new Array(4);
205 |     texture.mipLevel[0] = refBuffer;
206 |     texture.mipLevel[1] = mipLevel1;
207 |     texture.mipLevel[2] = mipLevel2;
208 |     texture.mipLevel[3] = mipLevel3;
209 | 
210 |     // Make sure the filename/texturename isnt too long
211 |     var name = event.data.name;
212 |     if (name.length > 11)
213 |       texture.name = name.slice(0, 12);
214 |     else
215 |       texture.name = name; 
216 | 
217 |     self.postMessage({type: "status", msg: "Complete"});
218 |     self.postMessage({type:"data", texture:texture});
219 | }
220 | 


--------------------------------------------------------------------------------
/index.html:
--------------------------------------------------------------------------------
 1 | <html>
 2 |   <head>
 3 |     <title>Joe's Wad Editor</title>
 4 |     <script type="text/javascript" src="jszip.min.js"></script>
 5 |     <script type="text/javascript" src="FileSaver.min.js"></script>
 6 |     <script type="text/javascript" src="script.js"></script>
 7 |     <link rel="stylesheet" href="styles.css" />
 8 |   </head>
 9 |   
10 |   <body>
11 |     <h1>Joe's WAD Editor</h1>
12 |     <h3>Create or modify Half-Life WAD3 files</h3>
13 | 
14 |     <table>
15 |       <tr>
16 |         <td>
17 |           
18 |           <br><br>
19 |           Open WAD
20 |           <input id="upload" type="file" oninput="upload()" />
21 |           <br><br>
22 |           Add Image
23 |           <input id="add_img" type="file" accept=".bmp, .png, .jpg, .gif" onchange="add_img_handler()" />
24 |           <br><br>
25 |           Rename (12 chars MAX)
26 |           <input id="rename" type="text" oninput="rename()"></input>
27 |           <br><br>
28 |           <div style="text-align:center;">
29 |             <button onclick="buildWad()" id="download">Save WAD</button>
30 |             <button onclick="exportZip()" id="export">Export to ZIP</button>
31 |             <button onclick="removeTexture()" id="remove">Delete</button>
32 |           </div>
33 |           <br>
34 |         </td>
35 | 
36 |         <td class="center">
37 |           <select id="texture_list" size="18" onchange="onSelectTexture()"></select>
38 |         </td>
39 |         <td class="center">
40 |           <canvas width="0" height="0" id="viewport"></canvas>
41 |         </td>
42 |       </tr>
43 | 
44 |       <tr>
45 |         <td colspan=3>
46 |           <input id="status" type="text" value="Status: Ready."></input>
47 |         </td>
48 |       </tr>
49 |     </table>
50 |     You can contribute to this project via github <a href="https://github.com/josephfortune/wad-editor">here</a>.   
51 |   </body>
52 | </html>
53 | 


--------------------------------------------------------------------------------
/index_backup.html:
--------------------------------------------------------------------------------
 1 | <html>
 2 |   <head>
 3 |     <title>Joe's Wad Editor</title>
 4 |     <script type="text/javascript" src="script.js"></script>
 5 |     <link rel="stylesheet" href="styles.css" />
 6 |   </head>
 7 |   
 8 |   <body>
 9 |     <h1>Joe's WAD Editor</h1>
10 |     <h3>Create or modify Half-Life WAD3 files</h3>
11 |     <input id="status" type="text" style="width:90%;" value="Status: Awaiting upload."></input>
12 |     <br>
13 | 
14 |     <div>
15 |       Upload WAD
16 |       <input id="upload" type="file" oninput="upload()" />
17 |     </div>
18 | 
19 |     <div>
20 |       Add Image
21 |       <input id="add_img" type="file" accept=".bmp, .png, .jpg, .gif" onchange="add_img_handler()" />
22 |     </div>
23 | 
24 |     <div>
25 |     <button onclick="rename()" id="button_rename">Rename</button>
26 |     <input id="rename" type="text"></input>
27 |     </div>
28 |     <button onclick="buildWad()" id="download">Download WAD</button>
29 |     <button onclick="removeTexture()" id="remove">Delete</button>
30 |     <br>
31 |     <select id="texture_list" size="10" onchange="onSelectTexture()"></select>
32 |     <br>
33 |     <canvas width="0" height="0" id="viewport"></canvas>
34 |     
35 |   </body>
36 | </html>
37 | 


--------------------------------------------------------------------------------
/jszip.min.js:
--------------------------------------------------------------------------------
 1 | /*!
 2 | 
 3 | JSZip v3.7.1 - A JavaScript class for generating and reading zip files
 4 | <http://stuartk.com/jszip>
 5 | 
 6 | (c) 2009-2016 Stuart Knightley <stuart [at] stuartk.com>
 7 | Dual licenced under the MIT license or GPLv3. See https://raw.github.com/Stuk/jszip/master/LICENSE.markdown.
 8 | 
 9 | JSZip uses the library pako released under the MIT license :
10 | https://github.com/nodeca/pako/blob/master/LICENSE
11 | */
12 | 
13 | !function(t){if("object"==typeof exports&&"undefined"!=typeof module)module.exports=t();else if("function"==typeof define&&define.amd)define([],t);else{("undefined"!=typeof window?window:"undefined"!=typeof global?global:"undefined"!=typeof self?self:this).JSZip=t()}}(function(){return function s(a,o,h){function u(r,t){if(!o[r]){if(!a[r]){var e="function"==typeof require&&require;if(!t&&e)return e(r,!0);if(l)return l(r,!0);var i=new Error("Cannot find module '"+r+"'");throw i.code="MODULE_NOT_FOUND",i}var n=o[r]={exports:{}};a[r][0].call(n.exports,function(t){var e=a[r][1][t];return u(e||t)},n,n.exports,s,a,o,h)}return o[r].exports}for(var l="function"==typeof require&&require,t=0;t<h.length;t++)u(h[t]);return u}({1:[function(t,e,r){"use strict";var c=t("./utils"),d=t("./support"),p="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";r.encode=function(t){for(var e,r,i,n,s,a,o,h=[],u=0,l=t.length,f=l,d="string"!==c.getTypeOf(t);u<t.length;)f=l-u,i=d?(e=t[u++],r=u<l?t[u++]:0,u<l?t[u++]:0):(e=t.charCodeAt(u++),r=u<l?t.charCodeAt(u++):0,u<l?t.charCodeAt(u++):0),n=e>>2,s=(3&e)<<4|r>>4,a=1<f?(15&r)<<2|i>>6:64,o=2<f?63&i:64,h.push(p.charAt(n)+p.charAt(s)+p.charAt(a)+p.charAt(o));return h.join("")},r.decode=function(t){var e,r,i,n,s,a,o=0,h=0,u="data:";if(t.substr(0,u.length)===u)throw new Error("Invalid base64 input, it looks like a data url.");var l,f=3*(t=t.replace(/[^A-Za-z0-9\+\/\=]/g,"")).length/4;if(t.charAt(t.length-1)===p.charAt(64)&&f--,t.charAt(t.length-2)===p.charAt(64)&&f--,f%1!=0)throw new Error("Invalid base64 input, bad content length.");for(l=d.uint8array?new Uint8Array(0|f):new Array(0|f);o<t.length;)e=p.indexOf(t.charAt(o++))<<2|(n=p.indexOf(t.charAt(o++)))>>4,r=(15&n)<<4|(s=p.indexOf(t.charAt(o++)))>>2,i=(3&s)<<6|(a=p.indexOf(t.charAt(o++))),l[h++]=e,64!==s&&(l[h++]=r),64!==a&&(l[h++]=i);return l}},{"./support":30,"./utils":32}],2:[function(t,e,r){"use strict";var i=t("./external"),n=t("./stream/DataWorker"),s=t("./stream/Crc32Probe"),a=t("./stream/DataLengthProbe");function o(t,e,r,i,n){this.compressedSize=t,this.uncompressedSize=e,this.crc32=r,this.compression=i,this.compressedContent=n}o.prototype={getContentWorker:function(){var t=new n(i.Promise.resolve(this.compressedContent)).pipe(this.compression.uncompressWorker()).pipe(new a("data_length")),e=this;return t.on("end",function(){if(this.streamInfo.data_length!==e.uncompressedSize)throw new Error("Bug : uncompressed data size mismatch")}),t},getCompressedWorker:function(){return new n(i.Promise.resolve(this.compressedContent)).withStreamInfo("compressedSize",this.compressedSize).withStreamInfo("uncompressedSize",this.uncompressedSize).withStreamInfo("crc32",this.crc32).withStreamInfo("compression",this.compression)}},o.createWorkerFrom=function(t,e,r){return t.pipe(new s).pipe(new a("uncompressedSize")).pipe(e.compressWorker(r)).pipe(new a("compressedSize")).withStreamInfo("compression",e)},e.exports=o},{"./external":6,"./stream/Crc32Probe":25,"./stream/DataLengthProbe":26,"./stream/DataWorker":27}],3:[function(t,e,r){"use strict";var i=t("./stream/GenericWorker");r.STORE={magic:"\0\0",compressWorker:function(t){return new i("STORE compression")},uncompressWorker:function(){return new i("STORE decompression")}},r.DEFLATE=t("./flate")},{"./flate":7,"./stream/GenericWorker":28}],4:[function(t,e,r){"use strict";var i=t("./utils");var o=function(){for(var t,e=[],r=0;r<256;r++){t=r;for(var i=0;i<8;i++)t=1&t?3988292384^t>>>1:t>>>1;e[r]=t}return e}();e.exports=function(t,e){return void 0!==t&&t.length?"string"!==i.getTypeOf(t)?function(t,e,r,i){var n=o,s=i+r;t^=-1;for(var a=i;a<s;a++)t=t>>>8^n[255&(t^e[a])];return-1^t}(0|e,t,t.length,0):function(t,e,r,i){var n=o,s=i+r;t^=-1;for(var a=i;a<s;a++)t=t>>>8^n[255&(t^e.charCodeAt(a))];return-1^t}(0|e,t,t.length,0):0}},{"./utils":32}],5:[function(t,e,r){"use strict";r.base64=!1,r.binary=!1,r.dir=!1,r.createFolders=!0,r.date=null,r.compression=null,r.compressionOptions=null,r.comment=null,r.unixPermissions=null,r.dosPermissions=null},{}],6:[function(t,e,r){"use strict";var i=null;i="undefined"!=typeof Promise?Promise:t("lie"),e.exports={Promise:i}},{lie:37}],7:[function(t,e,r){"use strict";var i="undefined"!=typeof Uint8Array&&"undefined"!=typeof Uint16Array&&"undefined"!=typeof Uint32Array,n=t("pako"),s=t("./utils"),a=t("./stream/GenericWorker"),o=i?"uint8array":"array";function h(t,e){a.call(this,"FlateWorker/"+t),this._pako=null,this._pakoAction=t,this._pakoOptions=e,this.meta={}}r.magic="\b\0",s.inherits(h,a),h.prototype.processChunk=function(t){this.meta=t.meta,null===this._pako&&this._createPako(),this._pako.push(s.transformTo(o,t.data),!1)},h.prototype.flush=function(){a.prototype.flush.call(this),null===this._pako&&this._createPako(),this._pako.push([],!0)},h.prototype.cleanUp=function(){a.prototype.cleanUp.call(this),this._pako=null},h.prototype._createPako=function(){this._pako=new n[this._pakoAction]({raw:!0,level:this._pakoOptions.level||-1});var e=this;this._pako.onData=function(t){e.push({data:t,meta:e.meta})}},r.compressWorker=function(t){return new h("Deflate",t)},r.uncompressWorker=function(){return new h("Inflate",{})}},{"./stream/GenericWorker":28,"./utils":32,pako:38}],8:[function(t,e,r){"use strict";function A(t,e){var r,i="";for(r=0;r<e;r++)i+=String.fromCharCode(255&t),t>>>=8;return i}function i(t,e,r,i,n,s){var a,o,h=t.file,u=t.compression,l=s!==O.utf8encode,f=I.transformTo("string",s(h.name)),d=I.transformTo("string",O.utf8encode(h.name)),c=h.comment,p=I.transformTo("string",s(c)),m=I.transformTo("string",O.utf8encode(c)),_=d.length!==h.name.length,g=m.length!==c.length,b="",v="",y="",w=h.dir,k=h.date,x={crc32:0,compressedSize:0,uncompressedSize:0};e&&!r||(x.crc32=t.crc32,x.compressedSize=t.compressedSize,x.uncompressedSize=t.uncompressedSize);var S=0;e&&(S|=8),l||!_&&!g||(S|=2048);var z=0,C=0;w&&(z|=16),"UNIX"===n?(C=798,z|=function(t,e){var r=t;return t||(r=e?16893:33204),(65535&r)<<16}(h.unixPermissions,w)):(C=20,z|=function(t){return 63&(t||0)}(h.dosPermissions)),a=k.getUTCHours(),a<<=6,a|=k.getUTCMinutes(),a<<=5,a|=k.getUTCSeconds()/2,o=k.getUTCFullYear()-1980,o<<=4,o|=k.getUTCMonth()+1,o<<=5,o|=k.getUTCDate(),_&&(v=A(1,1)+A(B(f),4)+d,b+="up"+A(v.length,2)+v),g&&(y=A(1,1)+A(B(p),4)+m,b+="uc"+A(y.length,2)+y);var E="";return E+="\n\0",E+=A(S,2),E+=u.magic,E+=A(a,2),E+=A(o,2),E+=A(x.crc32,4),E+=A(x.compressedSize,4),E+=A(x.uncompressedSize,4),E+=A(f.length,2),E+=A(b.length,2),{fileRecord:R.LOCAL_FILE_HEADER+E+f+b,dirRecord:R.CENTRAL_FILE_HEADER+A(C,2)+E+A(p.length,2)+"\0\0\0\0"+A(z,4)+A(i,4)+f+b+p}}var I=t("../utils"),n=t("../stream/GenericWorker"),O=t("../utf8"),B=t("../crc32"),R=t("../signature");function s(t,e,r,i){n.call(this,"ZipFileWorker"),this.bytesWritten=0,this.zipComment=e,this.zipPlatform=r,this.encodeFileName=i,this.streamFiles=t,this.accumulate=!1,this.contentBuffer=[],this.dirRecords=[],this.currentSourceOffset=0,this.entriesCount=0,this.currentFile=null,this._sources=[]}I.inherits(s,n),s.prototype.push=function(t){var e=t.meta.percent||0,r=this.entriesCount,i=this._sources.length;this.accumulate?this.contentBuffer.push(t):(this.bytesWritten+=t.data.length,n.prototype.push.call(this,{data:t.data,meta:{currentFile:this.currentFile,percent:r?(e+100*(r-i-1))/r:100}}))},s.prototype.openedSource=function(t){this.currentSourceOffset=this.bytesWritten,this.currentFile=t.file.name;var e=this.streamFiles&&!t.file.dir;if(e){var r=i(t,e,!1,this.currentSourceOffset,this.zipPlatform,this.encodeFileName);this.push({data:r.fileRecord,meta:{percent:0}})}else this.accumulate=!0},s.prototype.closedSource=function(t){this.accumulate=!1;var e=this.streamFiles&&!t.file.dir,r=i(t,e,!0,this.currentSourceOffset,this.zipPlatform,this.encodeFileName);if(this.dirRecords.push(r.dirRecord),e)this.push({data:function(t){return R.DATA_DESCRIPTOR+A(t.crc32,4)+A(t.compressedSize,4)+A(t.uncompressedSize,4)}(t),meta:{percent:100}});else for(this.push({data:r.fileRecord,meta:{percent:0}});this.contentBuffer.length;)this.push(this.contentBuffer.shift());this.currentFile=null},s.prototype.flush=function(){for(var t=this.bytesWritten,e=0;e<this.dirRecords.length;e++)this.push({data:this.dirRecords[e],meta:{percent:100}});var r=this.bytesWritten-t,i=function(t,e,r,i,n){var s=I.transformTo("string",n(i));return R.CENTRAL_DIRECTORY_END+"\0\0\0\0"+A(t,2)+A(t,2)+A(e,4)+A(r,4)+A(s.length,2)+s}(this.dirRecords.length,r,t,this.zipComment,this.encodeFileName);this.push({data:i,meta:{percent:100}})},s.prototype.prepareNextSource=function(){this.previous=this._sources.shift(),this.openedSource(this.previous.streamInfo),this.isPaused?this.previous.pause():this.previous.resume()},s.prototype.registerPrevious=function(t){this._sources.push(t);var e=this;return t.on("data",function(t){e.processChunk(t)}),t.on("end",function(){e.closedSource(e.previous.streamInfo),e._sources.length?e.prepareNextSource():e.end()}),t.on("error",function(t){e.error(t)}),this},s.prototype.resume=function(){return!!n.prototype.resume.call(this)&&(!this.previous&&this._sources.length?(this.prepareNextSource(),!0):this.previous||this._sources.length||this.generatedError?void 0:(this.end(),!0))},s.prototype.error=function(t){var e=this._sources;if(!n.prototype.error.call(this,t))return!1;for(var r=0;r<e.length;r++)try{e[r].error(t)}catch(t){}return!0},s.prototype.lock=function(){n.prototype.lock.call(this);for(var t=this._sources,e=0;e<t.length;e++)t[e].lock()},e.exports=s},{"../crc32":4,"../signature":23,"../stream/GenericWorker":28,"../utf8":31,"../utils":32}],9:[function(t,e,r){"use strict";var u=t("../compressions"),i=t("./ZipFileWorker");r.generateWorker=function(t,a,e){var o=new i(a.streamFiles,e,a.platform,a.encodeFileName),h=0;try{t.forEach(function(t,e){h++;var r=function(t,e){var r=t||e,i=u[r];if(!i)throw new Error(r+" is not a valid compression method !");return i}(e.options.compression,a.compression),i=e.options.compressionOptions||a.compressionOptions||{},n=e.dir,s=e.date;e._compressWorker(r,i).withStreamInfo("file",{name:t,dir:n,date:s,comment:e.comment||"",unixPermissions:e.unixPermissions,dosPermissions:e.dosPermissions}).pipe(o)}),o.entriesCount=h}catch(t){o.error(t)}return o}},{"../compressions":3,"./ZipFileWorker":8}],10:[function(t,e,r){"use strict";function i(){if(!(this instanceof i))return new i;if(arguments.length)throw new Error("The constructor with parameters has been removed in JSZip 3.0, please check the upgrade guide.");this.files=Object.create(null),this.comment=null,this.root="",this.clone=function(){var t=new i;for(var e in this)"function"!=typeof this[e]&&(t[e]=this[e]);return t}}(i.prototype=t("./object")).loadAsync=t("./load"),i.support=t("./support"),i.defaults=t("./defaults"),i.version="3.7.1",i.loadAsync=function(t,e){return(new i).loadAsync(t,e)},i.external=t("./external"),e.exports=i},{"./defaults":5,"./external":6,"./load":11,"./object":15,"./support":30}],11:[function(t,e,r){"use strict";var i=t("./utils"),n=t("./external"),o=t("./utf8"),h=t("./zipEntries"),s=t("./stream/Crc32Probe"),u=t("./nodejsUtils");function l(i){return new n.Promise(function(t,e){var r=i.decompressed.getContentWorker().pipe(new s);r.on("error",function(t){e(t)}).on("end",function(){r.streamInfo.crc32!==i.decompressed.crc32?e(new Error("Corrupted zip : CRC32 mismatch")):t()}).resume()})}e.exports=function(t,s){var a=this;return s=i.extend(s||{},{base64:!1,checkCRC32:!1,optimizedBinaryString:!1,createFolders:!1,decodeFileName:o.utf8decode}),u.isNode&&u.isStream(t)?n.Promise.reject(new Error("JSZip can't accept a stream when loading a zip file.")):i.prepareContent("the loaded zip file",t,!0,s.optimizedBinaryString,s.base64).then(function(t){var e=new h(s);return e.load(t),e}).then(function(t){var e=[n.Promise.resolve(t)],r=t.files;if(s.checkCRC32)for(var i=0;i<r.length;i++)e.push(l(r[i]));return n.Promise.all(e)}).then(function(t){for(var e=t.shift(),r=e.files,i=0;i<r.length;i++){var n=r[i];a.file(n.fileNameStr,n.decompressed,{binary:!0,optimizedBinaryString:!0,date:n.date,dir:n.dir,comment:n.fileCommentStr.length?n.fileCommentStr:null,unixPermissions:n.unixPermissions,dosPermissions:n.dosPermissions,createFolders:s.createFolders})}return e.zipComment.length&&(a.comment=e.zipComment),a})}},{"./external":6,"./nodejsUtils":14,"./stream/Crc32Probe":25,"./utf8":31,"./utils":32,"./zipEntries":33}],12:[function(t,e,r){"use strict";var i=t("../utils"),n=t("../stream/GenericWorker");function s(t,e){n.call(this,"Nodejs stream input adapter for "+t),this._upstreamEnded=!1,this._bindStream(e)}i.inherits(s,n),s.prototype._bindStream=function(t){var e=this;(this._stream=t).pause(),t.on("data",function(t){e.push({data:t,meta:{percent:0}})}).on("error",function(t){e.isPaused?this.generatedError=t:e.error(t)}).on("end",function(){e.isPaused?e._upstreamEnded=!0:e.end()})},s.prototype.pause=function(){return!!n.prototype.pause.call(this)&&(this._stream.pause(),!0)},s.prototype.resume=function(){return!!n.prototype.resume.call(this)&&(this._upstreamEnded?this.end():this._stream.resume(),!0)},e.exports=s},{"../stream/GenericWorker":28,"../utils":32}],13:[function(t,e,r){"use strict";var n=t("readable-stream").Readable;function i(t,e,r){n.call(this,e),this._helper=t;var i=this;t.on("data",function(t,e){i.push(t)||i._helper.pause(),r&&r(e)}).on("error",function(t){i.emit("error",t)}).on("end",function(){i.push(null)})}t("../utils").inherits(i,n),i.prototype._read=function(){this._helper.resume()},e.exports=i},{"../utils":32,"readable-stream":16}],14:[function(t,e,r){"use strict";e.exports={isNode:"undefined"!=typeof Buffer,newBufferFrom:function(t,e){if(Buffer.from&&Buffer.from!==Uint8Array.from)return Buffer.from(t,e);if("number"==typeof t)throw new Error('The "data" argument must not be a number');return new Buffer(t,e)},allocBuffer:function(t){if(Buffer.alloc)return Buffer.alloc(t);var e=new Buffer(t);return e.fill(0),e},isBuffer:function(t){return Buffer.isBuffer(t)},isStream:function(t){return t&&"function"==typeof t.on&&"function"==typeof t.pause&&"function"==typeof t.resume}}},{}],15:[function(t,e,r){"use strict";function s(t,e,r){var i,n=u.getTypeOf(e),s=u.extend(r||{},f);s.date=s.date||new Date,null!==s.compression&&(s.compression=s.compression.toUpperCase()),"string"==typeof s.unixPermissions&&(s.unixPermissions=parseInt(s.unixPermissions,8)),s.unixPermissions&&16384&s.unixPermissions&&(s.dir=!0),s.dosPermissions&&16&s.dosPermissions&&(s.dir=!0),s.dir&&(t=g(t)),s.createFolders&&(i=_(t))&&b.call(this,i,!0);var a="string"===n&&!1===s.binary&&!1===s.base64;r&&void 0!==r.binary||(s.binary=!a),(e instanceof d&&0===e.uncompressedSize||s.dir||!e||0===e.length)&&(s.base64=!1,s.binary=!0,e="",s.compression="STORE",n="string");var o=null;o=e instanceof d||e instanceof l?e:p.isNode&&p.isStream(e)?new m(t,e):u.prepareContent(t,e,s.binary,s.optimizedBinaryString,s.base64);var h=new c(t,o,s);this.files[t]=h}var n=t("./utf8"),u=t("./utils"),l=t("./stream/GenericWorker"),a=t("./stream/StreamHelper"),f=t("./defaults"),d=t("./compressedObject"),c=t("./zipObject"),o=t("./generate"),p=t("./nodejsUtils"),m=t("./nodejs/NodejsStreamInputAdapter"),_=function(t){"/"===t.slice(-1)&&(t=t.substring(0,t.length-1));var e=t.lastIndexOf("/");return 0<e?t.substring(0,e):""},g=function(t){return"/"!==t.slice(-1)&&(t+="/"),t},b=function(t,e){return e=void 0!==e?e:f.createFolders,t=g(t),this.files[t]||s.call(this,t,null,{dir:!0,createFolders:e}),this.files[t]};function h(t){return"[object RegExp]"===Object.prototype.toString.call(t)}var i={load:function(){throw new Error("This method has been removed in JSZip 3.0, please check the upgrade guide.")},forEach:function(t){var e,r,i;for(e in this.files)i=this.files[e],(r=e.slice(this.root.length,e.length))&&e.slice(0,this.root.length)===this.root&&t(r,i)},filter:function(r){var i=[];return this.forEach(function(t,e){r(t,e)&&i.push(e)}),i},file:function(t,e,r){if(1!==arguments.length)return t=this.root+t,s.call(this,t,e,r),this;if(h(t)){var i=t;return this.filter(function(t,e){return!e.dir&&i.test(t)})}var n=this.files[this.root+t];return n&&!n.dir?n:null},folder:function(r){if(!r)return this;if(h(r))return this.filter(function(t,e){return e.dir&&r.test(t)});var t=this.root+r,e=b.call(this,t),i=this.clone();return i.root=e.name,i},remove:function(r){r=this.root+r;var t=this.files[r];if(t||("/"!==r.slice(-1)&&(r+="/"),t=this.files[r]),t&&!t.dir)delete this.files[r];else for(var e=this.filter(function(t,e){return e.name.slice(0,r.length)===r}),i=0;i<e.length;i++)delete this.files[e[i].name];return this},generate:function(t){throw new Error("This method has been removed in JSZip 3.0, please check the upgrade guide.")},generateInternalStream:function(t){var e,r={};try{if((r=u.extend(t||{},{streamFiles:!1,compression:"STORE",compressionOptions:null,type:"",platform:"DOS",comment:null,mimeType:"application/zip",encodeFileName:n.utf8encode})).type=r.type.toLowerCase(),r.compression=r.compression.toUpperCase(),"binarystring"===r.type&&(r.type="string"),!r.type)throw new Error("No output type specified.");u.checkSupport(r.type),"darwin"!==r.platform&&"freebsd"!==r.platform&&"linux"!==r.platform&&"sunos"!==r.platform||(r.platform="UNIX"),"win32"===r.platform&&(r.platform="DOS");var i=r.comment||this.comment||"";e=o.generateWorker(this,r,i)}catch(t){(e=new l("error")).error(t)}return new a(e,r.type||"string",r.mimeType)},generateAsync:function(t,e){return this.generateInternalStream(t).accumulate(e)},generateNodeStream:function(t,e){return(t=t||{}).type||(t.type="nodebuffer"),this.generateInternalStream(t).toNodejsStream(e)}};e.exports=i},{"./compressedObject":2,"./defaults":5,"./generate":9,"./nodejs/NodejsStreamInputAdapter":12,"./nodejsUtils":14,"./stream/GenericWorker":28,"./stream/StreamHelper":29,"./utf8":31,"./utils":32,"./zipObject":35}],16:[function(t,e,r){e.exports=t("stream")},{stream:void 0}],17:[function(t,e,r){"use strict";var i=t("./DataReader");function n(t){i.call(this,t);for(var e=0;e<this.data.length;e++)t[e]=255&t[e]}t("../utils").inherits(n,i),n.prototype.byteAt=function(t){return this.data[this.zero+t]},n.prototype.lastIndexOfSignature=function(t){for(var e=t.charCodeAt(0),r=t.charCodeAt(1),i=t.charCodeAt(2),n=t.charCodeAt(3),s=this.length-4;0<=s;--s)if(this.data[s]===e&&this.data[s+1]===r&&this.data[s+2]===i&&this.data[s+3]===n)return s-this.zero;return-1},n.prototype.readAndCheckSignature=function(t){var e=t.charCodeAt(0),r=t.charCodeAt(1),i=t.charCodeAt(2),n=t.charCodeAt(3),s=this.readData(4);return e===s[0]&&r===s[1]&&i===s[2]&&n===s[3]},n.prototype.readData=function(t){if(this.checkOffset(t),0===t)return[];var e=this.data.slice(this.zero+this.index,this.zero+this.index+t);return this.index+=t,e},e.exports=n},{"../utils":32,"./DataReader":18}],18:[function(t,e,r){"use strict";var i=t("../utils");function n(t){this.data=t,this.length=t.length,this.index=0,this.zero=0}n.prototype={checkOffset:function(t){this.checkIndex(this.index+t)},checkIndex:function(t){if(this.length<this.zero+t||t<0)throw new Error("End of data reached (data length = "+this.length+", asked index = "+t+"). Corrupted zip ?")},setIndex:function(t){this.checkIndex(t),this.index=t},skip:function(t){this.setIndex(this.index+t)},byteAt:function(t){},readInt:function(t){var e,r=0;for(this.checkOffset(t),e=this.index+t-1;e>=this.index;e--)r=(r<<8)+this.byteAt(e);return this.index+=t,r},readString:function(t){return i.transformTo("string",this.readData(t))},readData:function(t){},lastIndexOfSignature:function(t){},readAndCheckSignature:function(t){},readDate:function(){var t=this.readInt(4);return new Date(Date.UTC(1980+(t>>25&127),(t>>21&15)-1,t>>16&31,t>>11&31,t>>5&63,(31&t)<<1))}},e.exports=n},{"../utils":32}],19:[function(t,e,r){"use strict";var i=t("./Uint8ArrayReader");function n(t){i.call(this,t)}t("../utils").inherits(n,i),n.prototype.readData=function(t){this.checkOffset(t);var e=this.data.slice(this.zero+this.index,this.zero+this.index+t);return this.index+=t,e},e.exports=n},{"../utils":32,"./Uint8ArrayReader":21}],20:[function(t,e,r){"use strict";var i=t("./DataReader");function n(t){i.call(this,t)}t("../utils").inherits(n,i),n.prototype.byteAt=function(t){return this.data.charCodeAt(this.zero+t)},n.prototype.lastIndexOfSignature=function(t){return this.data.lastIndexOf(t)-this.zero},n.prototype.readAndCheckSignature=function(t){return t===this.readData(4)},n.prototype.readData=function(t){this.checkOffset(t);var e=this.data.slice(this.zero+this.index,this.zero+this.index+t);return this.index+=t,e},e.exports=n},{"../utils":32,"./DataReader":18}],21:[function(t,e,r){"use strict";var i=t("./ArrayReader");function n(t){i.call(this,t)}t("../utils").inherits(n,i),n.prototype.readData=function(t){if(this.checkOffset(t),0===t)return new Uint8Array(0);var e=this.data.subarray(this.zero+this.index,this.zero+this.index+t);return this.index+=t,e},e.exports=n},{"../utils":32,"./ArrayReader":17}],22:[function(t,e,r){"use strict";var i=t("../utils"),n=t("../support"),s=t("./ArrayReader"),a=t("./StringReader"),o=t("./NodeBufferReader"),h=t("./Uint8ArrayReader");e.exports=function(t){var e=i.getTypeOf(t);return i.checkSupport(e),"string"!==e||n.uint8array?"nodebuffer"===e?new o(t):n.uint8array?new h(i.transformTo("uint8array",t)):new s(i.transformTo("array",t)):new a(t)}},{"../support":30,"../utils":32,"./ArrayReader":17,"./NodeBufferReader":19,"./StringReader":20,"./Uint8ArrayReader":21}],23:[function(t,e,r){"use strict";r.LOCAL_FILE_HEADER="PK",r.CENTRAL_FILE_HEADER="PK
",r.CENTRAL_DIRECTORY_END="PK",r.ZIP64_CENTRAL_DIRECTORY_LOCATOR="PK",r.ZIP64_CENTRAL_DIRECTORY_END="PK",r.DATA_DESCRIPTOR="PK\b"},{}],24:[function(t,e,r){"use strict";var i=t("./GenericWorker"),n=t("../utils");function s(t){i.call(this,"ConvertWorker to "+t),this.destType=t}n.inherits(s,i),s.prototype.processChunk=function(t){this.push({data:n.transformTo(this.destType,t.data),meta:t.meta})},e.exports=s},{"../utils":32,"./GenericWorker":28}],25:[function(t,e,r){"use strict";var i=t("./GenericWorker"),n=t("../crc32");function s(){i.call(this,"Crc32Probe"),this.withStreamInfo("crc32",0)}t("../utils").inherits(s,i),s.prototype.processChunk=function(t){this.streamInfo.crc32=n(t.data,this.streamInfo.crc32||0),this.push(t)},e.exports=s},{"../crc32":4,"../utils":32,"./GenericWorker":28}],26:[function(t,e,r){"use strict";var i=t("../utils"),n=t("./GenericWorker");function s(t){n.call(this,"DataLengthProbe for "+t),this.propName=t,this.withStreamInfo(t,0)}i.inherits(s,n),s.prototype.processChunk=function(t){if(t){var e=this.streamInfo[this.propName]||0;this.streamInfo[this.propName]=e+t.data.length}n.prototype.processChunk.call(this,t)},e.exports=s},{"../utils":32,"./GenericWorker":28}],27:[function(t,e,r){"use strict";var i=t("../utils"),n=t("./GenericWorker");function s(t){n.call(this,"DataWorker");var e=this;this.dataIsReady=!1,this.index=0,this.max=0,this.data=null,this.type="",this._tickScheduled=!1,t.then(function(t){e.dataIsReady=!0,e.data=t,e.max=t&&t.length||0,e.type=i.getTypeOf(t),e.isPaused||e._tickAndRepeat()},function(t){e.error(t)})}i.inherits(s,n),s.prototype.cleanUp=function(){n.prototype.cleanUp.call(this),this.data=null},s.prototype.resume=function(){return!!n.prototype.resume.call(this)&&(!this._tickScheduled&&this.dataIsReady&&(this._tickScheduled=!0,i.delay(this._tickAndRepeat,[],this)),!0)},s.prototype._tickAndRepeat=function(){this._tickScheduled=!1,this.isPaused||this.isFinished||(this._tick(),this.isFinished||(i.delay(this._tickAndRepeat,[],this),this._tickScheduled=!0))},s.prototype._tick=function(){if(this.isPaused||this.isFinished)return!1;var t=null,e=Math.min(this.max,this.index+16384);if(this.index>=this.max)return this.end();switch(this.type){case"string":t=this.data.substring(this.index,e);break;case"uint8array":t=this.data.subarray(this.index,e);break;case"array":case"nodebuffer":t=this.data.slice(this.index,e)}return this.index=e,this.push({data:t,meta:{percent:this.max?this.index/this.max*100:0}})},e.exports=s},{"../utils":32,"./GenericWorker":28}],28:[function(t,e,r){"use strict";function i(t){this.name=t||"default",this.streamInfo={},this.generatedError=null,this.extraStreamInfo={},this.isPaused=!0,this.isFinished=!1,this.isLocked=!1,this._listeners={data:[],end:[],error:[]},this.previous=null}i.prototype={push:function(t){this.emit("data",t)},end:function(){if(this.isFinished)return!1;this.flush();try{this.emit("end"),this.cleanUp(),this.isFinished=!0}catch(t){this.emit("error",t)}return!0},error:function(t){return!this.isFinished&&(this.isPaused?this.generatedError=t:(this.isFinished=!0,this.emit("error",t),this.previous&&this.previous.error(t),this.cleanUp()),!0)},on:function(t,e){return this._listeners[t].push(e),this},cleanUp:function(){this.streamInfo=this.generatedError=this.extraStreamInfo=null,this._listeners=[]},emit:function(t,e){if(this._listeners[t])for(var r=0;r<this._listeners[t].length;r++)this._listeners[t][r].call(this,e)},pipe:function(t){return t.registerPrevious(this)},registerPrevious:function(t){if(this.isLocked)throw new Error("The stream '"+this+"' has already been used.");this.streamInfo=t.streamInfo,this.mergeStreamInfo(),this.previous=t;var e=this;return t.on("data",function(t){e.processChunk(t)}),t.on("end",function(){e.end()}),t.on("error",function(t){e.error(t)}),this},pause:function(){return!this.isPaused&&!this.isFinished&&(this.isPaused=!0,this.previous&&this.previous.pause(),!0)},resume:function(){if(!this.isPaused||this.isFinished)return!1;var t=this.isPaused=!1;return this.generatedError&&(this.error(this.generatedError),t=!0),this.previous&&this.previous.resume(),!t},flush:function(){},processChunk:function(t){this.push(t)},withStreamInfo:function(t,e){return this.extraStreamInfo[t]=e,this.mergeStreamInfo(),this},mergeStreamInfo:function(){for(var t in this.extraStreamInfo)this.extraStreamInfo.hasOwnProperty(t)&&(this.streamInfo[t]=this.extraStreamInfo[t])},lock:function(){if(this.isLocked)throw new Error("The stream '"+this+"' has already been used.");this.isLocked=!0,this.previous&&this.previous.lock()},toString:function(){var t="Worker "+this.name;return this.previous?this.previous+" -> "+t:t}},e.exports=i},{}],29:[function(t,e,r){"use strict";var h=t("../utils"),n=t("./ConvertWorker"),s=t("./GenericWorker"),u=t("../base64"),i=t("../support"),a=t("../external"),o=null;if(i.nodestream)try{o=t("../nodejs/NodejsStreamOutputAdapter")}catch(t){}function l(t,o){return new a.Promise(function(e,r){var i=[],n=t._internalType,s=t._outputType,a=t._mimeType;t.on("data",function(t,e){i.push(t),o&&o(e)}).on("error",function(t){i=[],r(t)}).on("end",function(){try{var t=function(t,e,r){switch(t){case"blob":return h.newBlob(h.transformTo("arraybuffer",e),r);case"base64":return u.encode(e);default:return h.transformTo(t,e)}}(s,function(t,e){var r,i=0,n=null,s=0;for(r=0;r<e.length;r++)s+=e[r].length;switch(t){case"string":return e.join("");case"array":return Array.prototype.concat.apply([],e);case"uint8array":for(n=new Uint8Array(s),r=0;r<e.length;r++)n.set(e[r],i),i+=e[r].length;return n;case"nodebuffer":return Buffer.concat(e);default:throw new Error("concat : unsupported type '"+t+"'")}}(n,i),a);e(t)}catch(t){r(t)}i=[]}).resume()})}function f(t,e,r){var i=e;switch(e){case"blob":case"arraybuffer":i="uint8array";break;case"base64":i="string"}try{this._internalType=i,this._outputType=e,this._mimeType=r,h.checkSupport(i),this._worker=t.pipe(new n(i)),t.lock()}catch(t){this._worker=new s("error"),this._worker.error(t)}}f.prototype={accumulate:function(t){return l(this,t)},on:function(t,e){var r=this;return"data"===t?this._worker.on(t,function(t){e.call(r,t.data,t.meta)}):this._worker.on(t,function(){h.delay(e,arguments,r)}),this},resume:function(){return h.delay(this._worker.resume,[],this._worker),this},pause:function(){return this._worker.pause(),this},toNodejsStream:function(t){if(h.checkSupport("nodestream"),"nodebuffer"!==this._outputType)throw new Error(this._outputType+" is not supported by this method");return new o(this,{objectMode:"nodebuffer"!==this._outputType},t)}},e.exports=f},{"../base64":1,"../external":6,"../nodejs/NodejsStreamOutputAdapter":13,"../support":30,"../utils":32,"./ConvertWorker":24,"./GenericWorker":28}],30:[function(t,e,r){"use strict";if(r.base64=!0,r.array=!0,r.string=!0,r.arraybuffer="undefined"!=typeof ArrayBuffer&&"undefined"!=typeof Uint8Array,r.nodebuffer="undefined"!=typeof Buffer,r.uint8array="undefined"!=typeof Uint8Array,"undefined"==typeof ArrayBuffer)r.blob=!1;else{var i=new ArrayBuffer(0);try{r.blob=0===new Blob([i],{type:"application/zip"}).size}catch(t){try{var n=new(self.BlobBuilder||self.WebKitBlobBuilder||self.MozBlobBuilder||self.MSBlobBuilder);n.append(i),r.blob=0===n.getBlob("application/zip").size}catch(t){r.blob=!1}}}try{r.nodestream=!!t("readable-stream").Readable}catch(t){r.nodestream=!1}},{"readable-stream":16}],31:[function(t,e,s){"use strict";for(var o=t("./utils"),h=t("./support"),r=t("./nodejsUtils"),i=t("./stream/GenericWorker"),u=new Array(256),n=0;n<256;n++)u[n]=252<=n?6:248<=n?5:240<=n?4:224<=n?3:192<=n?2:1;u[254]=u[254]=1;function a(){i.call(this,"utf-8 decode"),this.leftOver=null}function l(){i.call(this,"utf-8 encode")}s.utf8encode=function(t){return h.nodebuffer?r.newBufferFrom(t,"utf-8"):function(t){var e,r,i,n,s,a=t.length,o=0;for(n=0;n<a;n++)55296==(64512&(r=t.charCodeAt(n)))&&n+1<a&&56320==(64512&(i=t.charCodeAt(n+1)))&&(r=65536+(r-55296<<10)+(i-56320),n++),o+=r<128?1:r<2048?2:r<65536?3:4;for(e=h.uint8array?new Uint8Array(o):new Array(o),n=s=0;s<o;n++)55296==(64512&(r=t.charCodeAt(n)))&&n+1<a&&56320==(64512&(i=t.charCodeAt(n+1)))&&(r=65536+(r-55296<<10)+(i-56320),n++),r<128?e[s++]=r:(r<2048?e[s++]=192|r>>>6:(r<65536?e[s++]=224|r>>>12:(e[s++]=240|r>>>18,e[s++]=128|r>>>12&63),e[s++]=128|r>>>6&63),e[s++]=128|63&r);return e}(t)},s.utf8decode=function(t){return h.nodebuffer?o.transformTo("nodebuffer",t).toString("utf-8"):function(t){var e,r,i,n,s=t.length,a=new Array(2*s);for(e=r=0;e<s;)if((i=t[e++])<128)a[r++]=i;else if(4<(n=u[i]))a[r++]=65533,e+=n-1;else{for(i&=2===n?31:3===n?15:7;1<n&&e<s;)i=i<<6|63&t[e++],n--;1<n?a[r++]=65533:i<65536?a[r++]=i:(i-=65536,a[r++]=55296|i>>10&1023,a[r++]=56320|1023&i)}return a.length!==r&&(a.subarray?a=a.subarray(0,r):a.length=r),o.applyFromCharCode(a)}(t=o.transformTo(h.uint8array?"uint8array":"array",t))},o.inherits(a,i),a.prototype.processChunk=function(t){var e=o.transformTo(h.uint8array?"uint8array":"array",t.data);if(this.leftOver&&this.leftOver.length){if(h.uint8array){var r=e;(e=new Uint8Array(r.length+this.leftOver.length)).set(this.leftOver,0),e.set(r,this.leftOver.length)}else e=this.leftOver.concat(e);this.leftOver=null}var i=function(t,e){var r;for((e=e||t.length)>t.length&&(e=t.length),r=e-1;0<=r&&128==(192&t[r]);)r--;return r<0?e:0===r?e:r+u[t[r]]>e?r:e}(e),n=e;i!==e.length&&(h.uint8array?(n=e.subarray(0,i),this.leftOver=e.subarray(i,e.length)):(n=e.slice(0,i),this.leftOver=e.slice(i,e.length))),this.push({data:s.utf8decode(n),meta:t.meta})},a.prototype.flush=function(){this.leftOver&&this.leftOver.length&&(this.push({data:s.utf8decode(this.leftOver),meta:{}}),this.leftOver=null)},s.Utf8DecodeWorker=a,o.inherits(l,i),l.prototype.processChunk=function(t){this.push({data:s.utf8encode(t.data),meta:t.meta})},s.Utf8EncodeWorker=l},{"./nodejsUtils":14,"./stream/GenericWorker":28,"./support":30,"./utils":32}],32:[function(t,e,a){"use strict";var o=t("./support"),h=t("./base64"),r=t("./nodejsUtils"),i=t("set-immediate-shim"),u=t("./external");function n(t){return t}function l(t,e){for(var r=0;r<t.length;++r)e[r]=255&t.charCodeAt(r);return e}a.newBlob=function(e,r){a.checkSupport("blob");try{return new Blob([e],{type:r})}catch(t){try{var i=new(self.BlobBuilder||self.WebKitBlobBuilder||self.MozBlobBuilder||self.MSBlobBuilder);return i.append(e),i.getBlob(r)}catch(t){throw new Error("Bug : can't construct the Blob.")}}};var s={stringifyByChunk:function(t,e,r){var i=[],n=0,s=t.length;if(s<=r)return String.fromCharCode.apply(null,t);for(;n<s;)"array"===e||"nodebuffer"===e?i.push(String.fromCharCode.apply(null,t.slice(n,Math.min(n+r,s)))):i.push(String.fromCharCode.apply(null,t.subarray(n,Math.min(n+r,s)))),n+=r;return i.join("")},stringifyByChar:function(t){for(var e="",r=0;r<t.length;r++)e+=String.fromCharCode(t[r]);return e},applyCanBeUsed:{uint8array:function(){try{return o.uint8array&&1===String.fromCharCode.apply(null,new Uint8Array(1)).length}catch(t){return!1}}(),nodebuffer:function(){try{return o.nodebuffer&&1===String.fromCharCode.apply(null,r.allocBuffer(1)).length}catch(t){return!1}}()}};function f(t){var e=65536,r=a.getTypeOf(t),i=!0;if("uint8array"===r?i=s.applyCanBeUsed.uint8array:"nodebuffer"===r&&(i=s.applyCanBeUsed.nodebuffer),i)for(;1<e;)try{return s.stringifyByChunk(t,r,e)}catch(t){e=Math.floor(e/2)}return s.stringifyByChar(t)}function d(t,e){for(var r=0;r<t.length;r++)e[r]=t[r];return e}a.applyFromCharCode=f;var c={};c.string={string:n,array:function(t){return l(t,new Array(t.length))},arraybuffer:function(t){return c.string.uint8array(t).buffer},uint8array:function(t){return l(t,new Uint8Array(t.length))},nodebuffer:function(t){return l(t,r.allocBuffer(t.length))}},c.array={string:f,array:n,arraybuffer:function(t){return new Uint8Array(t).buffer},uint8array:function(t){return new Uint8Array(t)},nodebuffer:function(t){return r.newBufferFrom(t)}},c.arraybuffer={string:function(t){return f(new Uint8Array(t))},array:function(t){return d(new Uint8Array(t),new Array(t.byteLength))},arraybuffer:n,uint8array:function(t){return new Uint8Array(t)},nodebuffer:function(t){return r.newBufferFrom(new Uint8Array(t))}},c.uint8array={string:f,array:function(t){return d(t,new Array(t.length))},arraybuffer:function(t){return t.buffer},uint8array:n,nodebuffer:function(t){return r.newBufferFrom(t)}},c.nodebuffer={string:f,array:function(t){return d(t,new Array(t.length))},arraybuffer:function(t){return c.nodebuffer.uint8array(t).buffer},uint8array:function(t){return d(t,new Uint8Array(t.length))},nodebuffer:n},a.transformTo=function(t,e){if(e=e||"",!t)return e;a.checkSupport(t);var r=a.getTypeOf(e);return c[r][t](e)},a.getTypeOf=function(t){return"string"==typeof t?"string":"[object Array]"===Object.prototype.toString.call(t)?"array":o.nodebuffer&&r.isBuffer(t)?"nodebuffer":o.uint8array&&t instanceof Uint8Array?"uint8array":o.arraybuffer&&t instanceof ArrayBuffer?"arraybuffer":void 0},a.checkSupport=function(t){if(!o[t.toLowerCase()])throw new Error(t+" is not supported by this platform")},a.MAX_VALUE_16BITS=65535,a.MAX_VALUE_32BITS=-1,a.pretty=function(t){var e,r,i="";for(r=0;r<(t||"").length;r++)i+="\\x"+((e=t.charCodeAt(r))<16?"0":"")+e.toString(16).toUpperCase();return i},a.delay=function(t,e,r){i(function(){t.apply(r||null,e||[])})},a.inherits=function(t,e){function r(){}r.prototype=e.prototype,t.prototype=new r},a.extend=function(){var t,e,r={};for(t=0;t<arguments.length;t++)for(e in arguments[t])arguments[t].hasOwnProperty(e)&&void 0===r[e]&&(r[e]=arguments[t][e]);return r},a.prepareContent=function(r,t,i,n,s){return u.Promise.resolve(t).then(function(i){return o.blob&&(i instanceof Blob||-1!==["[object File]","[object Blob]"].indexOf(Object.prototype.toString.call(i)))&&"undefined"!=typeof FileReader?new u.Promise(function(e,r){var t=new FileReader;t.onload=function(t){e(t.target.result)},t.onerror=function(t){r(t.target.error)},t.readAsArrayBuffer(i)}):i}).then(function(t){var e=a.getTypeOf(t);return e?("arraybuffer"===e?t=a.transformTo("uint8array",t):"string"===e&&(s?t=h.decode(t):i&&!0!==n&&(t=function(t){return l(t,o.uint8array?new Uint8Array(t.length):new Array(t.length))}(t))),t):u.Promise.reject(new Error("Can't read the data of '"+r+"'. Is it in a supported JavaScript type (String, Blob, ArrayBuffer, etc) ?"))})}},{"./base64":1,"./external":6,"./nodejsUtils":14,"./support":30,"set-immediate-shim":54}],33:[function(t,e,r){"use strict";var i=t("./reader/readerFor"),n=t("./utils"),s=t("./signature"),a=t("./zipEntry"),o=(t("./utf8"),t("./support"));function h(t){this.files=[],this.loadOptions=t}h.prototype={checkSignature:function(t){if(!this.reader.readAndCheckSignature(t)){this.reader.index-=4;var e=this.reader.readString(4);throw new Error("Corrupted zip or bug: unexpected signature ("+n.pretty(e)+", expected "+n.pretty(t)+")")}},isSignature:function(t,e){var r=this.reader.index;this.reader.setIndex(t);var i=this.reader.readString(4)===e;return this.reader.setIndex(r),i},readBlockEndOfCentral:function(){this.diskNumber=this.reader.readInt(2),this.diskWithCentralDirStart=this.reader.readInt(2),this.centralDirRecordsOnThisDisk=this.reader.readInt(2),this.centralDirRecords=this.reader.readInt(2),this.centralDirSize=this.reader.readInt(4),this.centralDirOffset=this.reader.readInt(4),this.zipCommentLength=this.reader.readInt(2);var t=this.reader.readData(this.zipCommentLength),e=o.uint8array?"uint8array":"array",r=n.transformTo(e,t);this.zipComment=this.loadOptions.decodeFileName(r)},readBlockZip64EndOfCentral:function(){this.zip64EndOfCentralSize=this.reader.readInt(8),this.reader.skip(4),this.diskNumber=this.reader.readInt(4),this.diskWithCentralDirStart=this.reader.readInt(4),this.centralDirRecordsOnThisDisk=this.reader.readInt(8),this.centralDirRecords=this.reader.readInt(8),this.centralDirSize=this.reader.readInt(8),this.centralDirOffset=this.reader.readInt(8),this.zip64ExtensibleData={};for(var t,e,r,i=this.zip64EndOfCentralSize-44;0<i;)t=this.reader.readInt(2),e=this.reader.readInt(4),r=this.reader.readData(e),this.zip64ExtensibleData[t]={id:t,length:e,value:r}},readBlockZip64EndOfCentralLocator:function(){if(this.diskWithZip64CentralDirStart=this.reader.readInt(4),this.relativeOffsetEndOfZip64CentralDir=this.reader.readInt(8),this.disksCount=this.reader.readInt(4),1<this.disksCount)throw new Error("Multi-volumes zip are not supported")},readLocalFiles:function(){var t,e;for(t=0;t<this.files.length;t++)e=this.files[t],this.reader.setIndex(e.localHeaderOffset),this.checkSignature(s.LOCAL_FILE_HEADER),e.readLocalPart(this.reader),e.handleUTF8(),e.processAttributes()},readCentralDir:function(){var t;for(this.reader.setIndex(this.centralDirOffset);this.reader.readAndCheckSignature(s.CENTRAL_FILE_HEADER);)(t=new a({zip64:this.zip64},this.loadOptions)).readCentralPart(this.reader),this.files.push(t);if(this.centralDirRecords!==this.files.length&&0!==this.centralDirRecords&&0===this.files.length)throw new Error("Corrupted zip or bug: expected "+this.centralDirRecords+" records in central dir, got "+this.files.length)},readEndOfCentral:function(){var t=this.reader.lastIndexOfSignature(s.CENTRAL_DIRECTORY_END);if(t<0)throw!this.isSignature(0,s.LOCAL_FILE_HEADER)?new Error("Can't find end of central directory : is this a zip file ? If it is, see https://stuk.github.io/jszip/documentation/howto/read_zip.html"):new Error("Corrupted zip: can't find end of central directory");this.reader.setIndex(t);var e=t;if(this.checkSignature(s.CENTRAL_DIRECTORY_END),this.readBlockEndOfCentral(),this.diskNumber===n.MAX_VALUE_16BITS||this.diskWithCentralDirStart===n.MAX_VALUE_16BITS||this.centralDirRecordsOnThisDisk===n.MAX_VALUE_16BITS||this.centralDirRecords===n.MAX_VALUE_16BITS||this.centralDirSize===n.MAX_VALUE_32BITS||this.centralDirOffset===n.MAX_VALUE_32BITS){if(this.zip64=!0,(t=this.reader.lastIndexOfSignature(s.ZIP64_CENTRAL_DIRECTORY_LOCATOR))<0)throw new Error("Corrupted zip: can't find the ZIP64 end of central directory locator");if(this.reader.setIndex(t),this.checkSignature(s.ZIP64_CENTRAL_DIRECTORY_LOCATOR),this.readBlockZip64EndOfCentralLocator(),!this.isSignature(this.relativeOffsetEndOfZip64CentralDir,s.ZIP64_CENTRAL_DIRECTORY_END)&&(this.relativeOffsetEndOfZip64CentralDir=this.reader.lastIndexOfSignature(s.ZIP64_CENTRAL_DIRECTORY_END),this.relativeOffsetEndOfZip64CentralDir<0))throw new Error("Corrupted zip: can't find the ZIP64 end of central directory");this.reader.setIndex(this.relativeOffsetEndOfZip64CentralDir),this.checkSignature(s.ZIP64_CENTRAL_DIRECTORY_END),this.readBlockZip64EndOfCentral()}var r=this.centralDirOffset+this.centralDirSize;this.zip64&&(r+=20,r+=12+this.zip64EndOfCentralSize);var i=e-r;if(0<i)this.isSignature(e,s.CENTRAL_FILE_HEADER)||(this.reader.zero=i);else if(i<0)throw new Error("Corrupted zip: missing "+Math.abs(i)+" bytes.")},prepareReader:function(t){this.reader=i(t)},load:function(t){this.prepareReader(t),this.readEndOfCentral(),this.readCentralDir(),this.readLocalFiles()}},e.exports=h},{"./reader/readerFor":22,"./signature":23,"./support":30,"./utf8":31,"./utils":32,"./zipEntry":34}],34:[function(t,e,r){"use strict";var i=t("./reader/readerFor"),s=t("./utils"),n=t("./compressedObject"),a=t("./crc32"),o=t("./utf8"),h=t("./compressions"),u=t("./support");function l(t,e){this.options=t,this.loadOptions=e}l.prototype={isEncrypted:function(){return 1==(1&this.bitFlag)},useUTF8:function(){return 2048==(2048&this.bitFlag)},readLocalPart:function(t){var e,r;if(t.skip(22),this.fileNameLength=t.readInt(2),r=t.readInt(2),this.fileName=t.readData(this.fileNameLength),t.skip(r),-1===this.compressedSize||-1===this.uncompressedSize)throw new Error("Bug or corrupted zip : didn't get enough information from the central directory (compressedSize === -1 || uncompressedSize === -1)");if(null===(e=function(t){for(var e in h)if(h.hasOwnProperty(e)&&h[e].magic===t)return h[e];return null}(this.compressionMethod)))throw new Error("Corrupted zip : compression "+s.pretty(this.compressionMethod)+" unknown (inner file : "+s.transformTo("string",this.fileName)+")");this.decompressed=new n(this.compressedSize,this.uncompressedSize,this.crc32,e,t.readData(this.compressedSize))},readCentralPart:function(t){this.versionMadeBy=t.readInt(2),t.skip(2),this.bitFlag=t.readInt(2),this.compressionMethod=t.readString(2),this.date=t.readDate(),this.crc32=t.readInt(4),this.compressedSize=t.readInt(4),this.uncompressedSize=t.readInt(4);var e=t.readInt(2);if(this.extraFieldsLength=t.readInt(2),this.fileCommentLength=t.readInt(2),this.diskNumberStart=t.readInt(2),this.internalFileAttributes=t.readInt(2),this.externalFileAttributes=t.readInt(4),this.localHeaderOffset=t.readInt(4),this.isEncrypted())throw new Error("Encrypted zip are not supported");t.skip(e),this.readExtraFields(t),this.parseZIP64ExtraField(t),this.fileComment=t.readData(this.fileCommentLength)},processAttributes:function(){this.unixPermissions=null,this.dosPermissions=null;var t=this.versionMadeBy>>8;this.dir=!!(16&this.externalFileAttributes),0==t&&(this.dosPermissions=63&this.externalFileAttributes),3==t&&(this.unixPermissions=this.externalFileAttributes>>16&65535),this.dir||"/"!==this.fileNameStr.slice(-1)||(this.dir=!0)},parseZIP64ExtraField:function(t){if(this.extraFields[1]){var e=i(this.extraFields[1].value);this.uncompressedSize===s.MAX_VALUE_32BITS&&(this.uncompressedSize=e.readInt(8)),this.compressedSize===s.MAX_VALUE_32BITS&&(this.compressedSize=e.readInt(8)),this.localHeaderOffset===s.MAX_VALUE_32BITS&&(this.localHeaderOffset=e.readInt(8)),this.diskNumberStart===s.MAX_VALUE_32BITS&&(this.diskNumberStart=e.readInt(4))}},readExtraFields:function(t){var e,r,i,n=t.index+this.extraFieldsLength;for(this.extraFields||(this.extraFields={});t.index+4<n;)e=t.readInt(2),r=t.readInt(2),i=t.readData(r),this.extraFields[e]={id:e,length:r,value:i};t.setIndex(n)},handleUTF8:function(){var t=u.uint8array?"uint8array":"array";if(this.useUTF8())this.fileNameStr=o.utf8decode(this.fileName),this.fileCommentStr=o.utf8decode(this.fileComment);else{var e=this.findExtraFieldUnicodePath();if(null!==e)this.fileNameStr=e;else{var r=s.transformTo(t,this.fileName);this.fileNameStr=this.loadOptions.decodeFileName(r)}var i=this.findExtraFieldUnicodeComment();if(null!==i)this.fileCommentStr=i;else{var n=s.transformTo(t,this.fileComment);this.fileCommentStr=this.loadOptions.decodeFileName(n)}}},findExtraFieldUnicodePath:function(){var t=this.extraFields[28789];if(t){var e=i(t.value);return 1!==e.readInt(1)?null:a(this.fileName)!==e.readInt(4)?null:o.utf8decode(e.readData(t.length-5))}return null},findExtraFieldUnicodeComment:function(){var 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d.Buf16(2*s+1),D(this.depth),this.l_buf=0,this.lit_bufsize=0,this.last_lit=0,this.d_buf=0,this.opt_len=0,this.static_len=0,this.matches=0,this.insert=0,this.bi_buf=0,this.bi_valid=0}function G(t){var e;return t&&t.state?(t.total_in=t.total_out=0,t.data_type=n,(e=t.state).pending=0,e.pending_out=0,e.wrap<0&&(e.wrap=-e.wrap),e.status=e.wrap?C:E,t.adler=2===e.wrap?0:1,e.last_flush=l,u._tr_init(e),m):R(t,_)}function K(t){var e=G(t);return e===m&&function(t){t.window_size=2*t.w_size,D(t.head),t.max_lazy_match=h[t.level].max_lazy,t.good_match=h[t.level].good_length,t.nice_match=h[t.level].nice_length,t.max_chain_length=h[t.level].max_chain,t.strstart=0,t.block_start=0,t.lookahead=0,t.insert=0,t.match_length=t.prev_length=x-1,t.match_available=0,t.ins_h=0}(t.state),e}function Y(t,e,r,i,n,s){if(!t)return _;var a=1;if(e===g&&(e=6),i<0?(a=0,i=-i):15<i&&(a=2,i-=16),n<1||y<n||r!==v||i<8||15<i||e<0||9<e||s<0||b<s)return R(t,_);8===i&&(i=9);var o=new H;return(t.state=o).strm=t,o.wrap=a,o.gzhead=null,o.w_bits=i,o.w_size=1<<o.w_bits,o.w_mask=o.w_size-1,o.hash_bits=n+7,o.hash_size=1<<o.hash_bits,o.hash_mask=o.hash_size-1,o.hash_shift=~~((o.hash_bits+x-1)/x),o.window=new d.Buf8(2*o.w_size),o.head=new d.Buf16(o.hash_size),o.prev=new d.Buf16(o.w_size),o.lit_bufsize=1<<n+6,o.pending_buf_size=4*o.lit_bufsize,o.pending_buf=new d.Buf8(o.pending_buf_size),o.d_buf=1*o.lit_bufsize,o.l_buf=3*o.lit_bufsize,o.level=e,o.strategy=s,o.method=r,K(t)}h=[new M(0,0,0,0,function(t,e){var r=65535;for(r>t.pending_buf_size-5&&(r=t.pending_buf_size-5);;){if(t.lookahead<=1){if(j(t),0===t.lookahead&&e===l)return A;if(0===t.lookahead)break}t.strstart+=t.lookahead,t.lookahead=0;var i=t.block_start+r;if((0===t.strstart||t.strstart>=i)&&(t.lookahead=t.strstart-i,t.strstart=i,N(t,!1),0===t.strm.avail_out))return A;if(t.strstart-t.block_start>=t.w_size-z&&(N(t,!1),0===t.strm.avail_out))return A}return t.insert=0,e===f?(N(t,!0),0===t.strm.avail_out?O:B):(t.strstart>t.block_start&&(N(t,!1),t.strm.avail_out),A)}),new M(4,4,8,4,Z),new M(4,5,16,8,Z),new M(4,6,32,32,Z),new M(4,4,16,16,W),new M(8,16,32,32,W),new M(8,16,128,128,W),new M(8,32,128,256,W),new M(32,128,258,1024,W),new M(32,258,258,4096,W)],r.deflateInit=function(t,e){return Y(t,e,v,15,8,0)},r.deflateInit2=Y,r.deflateReset=K,r.deflateResetKeep=G,r.deflateSetHeader=function(t,e){return t&&t.state?2!==t.state.wrap?_:(t.state.gzhead=e,m):_},r.deflate=function(t,e){var r,i,n,s;if(!t||!t.state||5<e||e<0)return t?R(t,_):_;if(i=t.state,!t.output||!t.input&&0!==t.avail_in||666===i.status&&e!==f)return R(t,0===t.avail_out?-5:_);if(i.strm=t,r=i.last_flush,i.last_flush=e,i.status===C)if(2===i.wrap)t.adler=0,U(i,31),U(i,139),U(i,8),i.gzhead?(U(i,(i.gzhead.text?1:0)+(i.gzhead.hcrc?2:0)+(i.gzhead.extra?4:0)+(i.gzhead.name?8:0)+(i.gzhead.comment?16:0)),U(i,255&i.gzhead.time),U(i,i.gzhead.time>>8&255),U(i,i.gzhead.time>>16&255),U(i,i.gzhead.time>>24&255),U(i,9===i.level?2:2<=i.strategy||i.level<2?4:0),U(i,255&i.gzhead.os),i.gzhead.extra&&i.gzhead.extra.length&&(U(i,255&i.gzhead.extra.length),U(i,i.gzhead.extra.length>>8&255)),i.gzhead.hcrc&&(t.adler=p(t.adler,i.pending_buf,i.pending,0)),i.gzindex=0,i.status=69):(U(i,0),U(i,0),U(i,0),U(i,0),U(i,0),U(i,9===i.level?2:2<=i.strategy||i.level<2?4:0),U(i,3),i.status=E);else{var 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i.status=103;if(103===i.status&&(i.gzhead.hcrc?(i.pending+2>i.pending_buf_size&&F(t),i.pending+2<=i.pending_buf_size&&(U(i,255&t.adler),U(i,t.adler>>8&255),t.adler=0,i.status=E)):i.status=E),0!==i.pending){if(F(t),0===t.avail_out)return i.last_flush=-1,m}else if(0===t.avail_in&&T(e)<=T(r)&&e!==f)return R(t,-5);if(666===i.status&&0!==t.avail_in)return R(t,-5);if(0!==t.avail_in||0!==i.lookahead||e!==l&&666!==i.status){var o=2===i.strategy?function(t,e){for(var r;;){if(0===t.lookahead&&(j(t),0===t.lookahead)){if(e===l)return A;break}if(t.match_length=0,r=u._tr_tally(t,0,t.window[t.strstart]),t.lookahead--,t.strstart++,r&&(N(t,!1),0===t.strm.avail_out))return A}return t.insert=0,e===f?(N(t,!0),0===t.strm.avail_out?O:B):t.last_lit&&(N(t,!1),0===t.strm.avail_out)?A:I}(i,e):3===i.strategy?function(t,e){for(var r,i,n,s,a=t.window;;){if(t.lookahead<=S){if(j(t),t.lookahead<=S&&e===l)return A;if(0===t.lookahead)break}if(t.match_length=0,t.lookahead>=x&&0<t.strstart&&(i=a[n=t.strstart-1])===a[++n]&&i===a[++n]&&i===a[++n]){s=t.strstart+S;do{}while(i===a[++n]&&i===a[++n]&&i===a[++n]&&i===a[++n]&&i===a[++n]&&i===a[++n]&&i===a[++n]&&i===a[++n]&&n<s);t.match_length=S-(s-n),t.match_length>t.lookahead&&(t.match_length=t.lookahead)}if(t.match_length>=x?(r=u._tr_tally(t,1,t.match_length-x),t.lookahead-=t.match_length,t.strstart+=t.match_length,t.match_length=0):(r=u._tr_tally(t,0,t.window[t.strstart]),t.lookahead--,t.strstart++),r&&(N(t,!1),0===t.strm.avail_out))return A}return t.insert=0,e===f?(N(t,!0),0===t.strm.avail_out?O:B):t.last_lit&&(N(t,!1),0===t.strm.avail_out)?A:I}(i,e):h[i.level].func(i,e);if(o!==O&&o!==B||(i.status=666),o===A||o===O)return 0===t.avail_out&&(i.last_flush=-1),m;if(o===I&&(1===e?u._tr_align(i):5!==e&&(u._tr_stored_block(i,0,0,!1),3===e&&(D(i.head),0===i.lookahead&&(i.strstart=0,i.block_start=0,i.insert=0))),F(t),0===t.avail_out))return i.last_flush=-1,m}return e!==f?m:i.wrap<=0?1:(2===i.wrap?(U(i,255&t.adler),U(i,t.adler>>8&255),U(i,t.adler>>16&255),U(i,t.adler>>24&255),U(i,255&t.total_in),U(i,t.total_in>>8&255),U(i,t.total_in>>16&255),U(i,t.total_in>>24&255)):(P(i,t.adler>>>16),P(i,65535&t.adler)),F(t),0<i.wrap&&(i.wrap=-i.wrap),0!==i.pending?m:1)},r.deflateEnd=function(t){var e;return t&&t.state?(e=t.state.status)!==C&&69!==e&&73!==e&&91!==e&&103!==e&&e!==E&&666!==e?R(t,_):(t.state=null,e===E?R(t,-3):m):_},r.deflateSetDictionary=function(t,e){var r,i,n,s,a,o,h,u,l=e.length;if(!t||!t.state)return _;if(2===(s=(r=t.state).wrap)||1===s&&r.status!==C||r.lookahead)return _;for(1===s&&(t.adler=c(t.adler,e,l,0)),r.wrap=0,l>=r.w_size&&(0===s&&(D(r.head),r.strstart=0,r.block_start=0,r.insert=0),u=new d.Buf8(r.w_size),d.arraySet(u,e,l-r.w_size,r.w_size,0),e=u,l=r.w_size),a=t.avail_in,o=t.next_in,h=t.input,t.avail_in=l,t.next_in=0,t.input=e,j(r);r.lookahead>=x;){for(i=r.strstart,n=r.lookahead-(x-1);r.ins_h=(r.ins_h<<r.hash_shift^r.window[i+x-1])&r.hash_mask,r.prev[i&r.w_mask]=r.head[r.ins_h],r.head[r.ins_h]=i,i++,--n;);r.strstart=i,r.lookahead=x-1,j(r)}return r.strstart+=r.lookahead,r.block_start=r.strstart,r.insert=r.lookahead,r.lookahead=0,r.match_length=r.prev_length=x-1,r.match_available=0,t.next_in=o,t.input=h,t.avail_in=a,r.wrap=s,m},r.deflateInfo="pako deflate (from Nodeca project)"},{"../utils/common":41,"./adler32":43,"./crc32":45,"./messages":51,"./trees":52}],47:[function(t,e,r){"use strict";e.exports=function(){this.text=0,this.time=0,this.xflags=0,this.os=0,this.extra=null,this.extra_len=0,this.name="",this.comment="",this.hcrc=0,this.done=!1}},{}],48:[function(t,e,r){"use strict";e.exports=function(t,e){var r,i,n,s,a,o,h,u,l,f,d,c,p,m,_,g,b,v,y,w,k,x,S,z,C;r=t.state,i=t.next_in,z=t.input,n=i+(t.avail_in-5),s=t.next_out,C=t.output,a=s-(e-t.avail_out),o=s+(t.avail_out-257),h=r.dmax,u=r.wsize,l=r.whave,f=r.wnext,d=r.window,c=r.hold,p=r.bits,m=r.lencode,_=r.distcode,g=(1<<r.lenbits)-1,b=(1<<r.distbits)-1;t:do{p<15&&(c+=z[i++]<<p,p+=8,c+=z[i++]<<p,p+=8),v=m[c&g];e:for(;;){if(c>>>=y=v>>>24,p-=y,0===(y=v>>>16&255))C[s++]=65535&v;else{if(!(16&y)){if(0==(64&y)){v=m[(65535&v)+(c&(1<<y)-1)];continue e}if(32&y){r.mode=12;break t}t.msg="invalid literal/length code",r.mode=30;break t}w=65535&v,(y&=15)&&(p<y&&(c+=z[i++]<<p,p+=8),w+=c&(1<<y)-1,c>>>=y,p-=y),p<15&&(c+=z[i++]<<p,p+=8,c+=z[i++]<<p,p+=8),v=_[c&b];r:for(;;){if(c>>>=y=v>>>24,p-=y,!(16&(y=v>>>16&255))){if(0==(64&y)){v=_[(65535&v)+(c&(1<<y)-1)];continue r}t.msg="invalid distance code",r.mode=30;break t}if(k=65535&v,p<(y&=15)&&(c+=z[i++]<<p,(p+=8)<y&&(c+=z[i++]<<p,p+=8)),h<(k+=c&(1<<y)-1)){t.msg="invalid distance too far back",r.mode=30;break t}if(c>>>=y,p-=y,(y=s-a)<k){if(l<(y=k-y)&&r.sane){t.msg="invalid distance too far back",r.mode=30;break t}if(S=d,(x=0)===f){if(x+=u-y,y<w){for(w-=y;C[s++]=d[x++],--y;);x=s-k,S=C}}else if(f<y){if(x+=u+f-y,(y-=f)<w){for(w-=y;C[s++]=d[x++],--y;);if(x=0,f<w){for(w-=y=f;C[s++]=d[x++],--y;);x=s-k,S=C}}}else if(x+=f-y,y<w){for(w-=y;C[s++]=d[x++],--y;);x=s-k,S=C}for(;2<w;)C[s++]=S[x++],C[s++]=S[x++],C[s++]=S[x++],w-=3;w&&(C[s++]=S[x++],1<w&&(C[s++]=S[x++]))}else{for(x=s-k;C[s++]=C[x++],C[s++]=C[x++],C[s++]=C[x++],2<(w-=3););w&&(C[s++]=C[x++],1<w&&(C[s++]=C[x++]))}break}}break}}while(i<n&&s<o);i-=w=p>>3,c&=(1<<(p-=w<<3))-1,t.next_in=i,t.next_out=s,t.avail_in=i<n?n-i+5:5-(i-n),t.avail_out=s<o?o-s+257:257-(s-o),r.hold=c,r.bits=p}},{}],49:[function(t,e,r){"use strict";var I=t("../utils/common"),O=t("./adler32"),B=t("./crc32"),R=t("./inffast"),T=t("./inftrees"),D=1,F=2,N=0,U=-2,P=1,i=852,n=592;function L(t){return(t>>>24&255)+(t>>>8&65280)+((65280&t)<<8)+((255&t)<<24)}function s(){this.mode=0,this.last=!1,this.wrap=0,this.havedict=!1,this.flags=0,this.dmax=0,this.check=0,this.total=0,this.head=null,this.wbits=0,this.wsize=0,this.whave=0,this.wnext=0,this.window=null,this.hold=0,this.bits=0,this.length=0,this.offset=0,this.extra=0,this.lencode=null,this.distcode=null,this.lenbits=0,this.distbits=0,this.ncode=0,this.nlen=0,this.ndist=0,this.have=0,this.next=null,this.lens=new I.Buf16(320),this.work=new I.Buf16(288),this.lendyn=null,this.distdyn=null,this.sane=0,this.back=0,this.was=0}function a(t){var e;return t&&t.state?(e=t.state,t.total_in=t.total_out=e.total=0,t.msg="",e.wrap&&(t.adler=1&e.wrap),e.mode=P,e.last=0,e.havedict=0,e.dmax=32768,e.head=null,e.hold=0,e.bits=0,e.lencode=e.lendyn=new I.Buf32(i),e.distcode=e.distdyn=new I.Buf32(n),e.sane=1,e.back=-1,N):U}function o(t){var e;return t&&t.state?((e=t.state).wsize=0,e.whave=0,e.wnext=0,a(t)):U}function h(t,e){var r,i;return t&&t.state?(i=t.state,e<0?(r=0,e=-e):(r=1+(e>>4),e<48&&(e&=15)),e&&(e<8||15<e)?U:(null!==i.window&&i.wbits!==e&&(i.window=null),i.wrap=r,i.wbits=e,o(t))):U}function u(t,e){var r,i;return t?(i=new s,(t.state=i).window=null,(r=h(t,e))!==N&&(t.state=null),r):U}var l,f,d=!0;function j(t){if(d){var e;for(l=new I.Buf32(512),f=new I.Buf32(32),e=0;e<144;)t.lens[e++]=8;for(;e<256;)t.lens[e++]=9;for(;e<280;)t.lens[e++]=7;for(;e<288;)t.lens[e++]=8;for(T(D,t.lens,0,288,l,0,t.work,{bits:9}),e=0;e<32;)t.lens[e++]=5;T(F,t.lens,0,32,f,0,t.work,{bits:5}),d=!1}t.lencode=l,t.lenbits=9,t.distcode=f,t.distbits=5}function Z(t,e,r,i){var n,s=t.state;return null===s.window&&(s.wsize=1<<s.wbits,s.wnext=0,s.whave=0,s.window=new I.Buf8(s.wsize)),i>=s.wsize?(I.arraySet(s.window,e,r-s.wsize,s.wsize,0),s.wnext=0,s.whave=s.wsize):(i<(n=s.wsize-s.wnext)&&(n=i),I.arraySet(s.window,e,r-i,n,s.wnext),(i-=n)?(I.arraySet(s.window,e,r-i,i,0),s.wnext=i,s.whave=s.wsize):(s.wnext+=n,s.wnext===s.wsize&&(s.wnext=0),s.whave<s.wsize&&(s.whave+=n))),0}r.inflateReset=o,r.inflateReset2=h,r.inflateResetKeep=a,r.inflateInit=function(t){return u(t,15)},r.inflateInit2=u,r.inflate=function(t,e){var r,i,n,s,a,o,h,u,l,f,d,c,p,m,_,g,b,v,y,w,k,x,S,z,C=0,E=new I.Buf8(4),A=[16,17,18,0,8,7,9,6,10,5,11,4,12,3,13,2,14,1,15];if(!t||!t.state||!t.output||!t.input&&0!==t.avail_in)return U;12===(r=t.state).mode&&(r.mode=13),a=t.next_out,n=t.output,h=t.avail_out,s=t.next_in,i=t.input,o=t.avail_in,u=r.hold,l=r.bits,f=o,d=h,x=N;t:for(;;)switch(r.mode){case P:if(0===r.wrap){r.mode=13;break}for(;l<16;){if(0===o)break t;o--,u+=i[s++]<<l,l+=8}if(2&r.wrap&&35615===u){E[r.check=0]=255&u,E[1]=u>>>8&255,r.check=B(r.check,E,2,0),l=u=0,r.mode=2;break}if(r.flags=0,r.head&&(r.head.done=!1),!(1&r.wrap)||(((255&u)<<8)+(u>>8))%31){t.msg="incorrect header check",r.mode=30;break}if(8!=(15&u)){t.msg="unknown compression method",r.mode=30;break}if(l-=4,k=8+(15&(u>>>=4)),0===r.wbits)r.wbits=k;else if(k>r.wbits){t.msg="invalid window size",r.mode=30;break}r.dmax=1<<k,t.adler=r.check=1,r.mode=512&u?10:12,l=u=0;break;case 2:for(;l<16;){if(0===o)break t;o--,u+=i[s++]<<l,l+=8}if(r.flags=u,8!=(255&r.flags)){t.msg="unknown compression method",r.mode=30;break}if(57344&r.flags){t.msg="unknown header flags set",r.mode=30;break}r.head&&(r.head.text=u>>8&1),512&r.flags&&(E[0]=255&u,E[1]=u>>>8&255,r.check=B(r.check,E,2,0)),l=u=0,r.mode=3;case 3:for(;l<32;){if(0===o)break t;o--,u+=i[s++]<<l,l+=8}r.head&&(r.head.time=u),512&r.flags&&(E[0]=255&u,E[1]=u>>>8&255,E[2]=u>>>16&255,E[3]=u>>>24&255,r.check=B(r.check,E,4,0)),l=u=0,r.mode=4;case 4:for(;l<16;){if(0===o)break t;o--,u+=i[s++]<<l,l+=8}r.head&&(r.head.xflags=255&u,r.head.os=u>>8),512&r.flags&&(E[0]=255&u,E[1]=u>>>8&255,r.check=B(r.check,E,2,0)),l=u=0,r.mode=5;case 5:if(1024&r.flags){for(;l<16;){if(0===o)break t;o--,u+=i[s++]<<l,l+=8}r.length=u,r.head&&(r.head.extra_len=u),512&r.flags&&(E[0]=255&u,E[1]=u>>>8&255,r.check=B(r.check,E,2,0)),l=u=0}else r.head&&(r.head.extra=null);r.mode=6;case 6:if(1024&r.flags&&(o<(c=r.length)&&(c=o),c&&(r.head&&(k=r.head.extra_len-r.length,r.head.extra||(r.head.extra=new Array(r.head.extra_len)),I.arraySet(r.head.extra,i,s,c,k)),512&r.flags&&(r.check=B(r.check,i,c,s)),o-=c,s+=c,r.length-=c),r.length))break t;r.length=0,r.mode=7;case 7:if(2048&r.flags){if(0===o)break t;for(c=0;k=i[s+c++],r.head&&k&&r.length<65536&&(r.head.name+=String.fromCharCode(k)),k&&c<o;);if(512&r.flags&&(r.check=B(r.check,i,c,s)),o-=c,s+=c,k)break t}else r.head&&(r.head.name=null);r.length=0,r.mode=8;case 8:if(4096&r.flags){if(0===o)break t;for(c=0;k=i[s+c++],r.head&&k&&r.length<65536&&(r.head.comment+=String.fromCharCode(k)),k&&c<o;);if(512&r.flags&&(r.check=B(r.check,i,c,s)),o-=c,s+=c,k)break t}else r.head&&(r.head.comment=null);r.mode=9;case 9:if(512&r.flags){for(;l<16;){if(0===o)break t;o--,u+=i[s++]<<l,l+=8}if(u!==(65535&r.check)){t.msg="header crc mismatch",r.mode=30;break}l=u=0}r.head&&(r.head.hcrc=r.flags>>9&1,r.head.done=!0),t.adler=r.check=0,r.mode=12;break;case 10:for(;l<32;){if(0===o)break t;o--,u+=i[s++]<<l,l+=8}t.adler=r.check=L(u),l=u=0,r.mode=11;case 11:if(0===r.havedict)return t.next_out=a,t.avail_out=h,t.next_in=s,t.avail_in=o,r.hold=u,r.bits=l,2;t.adler=r.check=1,r.mode=12;case 12:if(5===e||6===e)break t;case 13:if(r.last){u>>>=7&l,l-=7&l,r.mode=27;break}for(;l<3;){if(0===o)break t;o--,u+=i[s++]<<l,l+=8}switch(r.last=1&u,l-=1,3&(u>>>=1)){case 0:r.mode=14;break;case 1:if(j(r),r.mode=20,6!==e)break;u>>>=2,l-=2;break t;case 2:r.mode=17;break;case 3:t.msg="invalid block type",r.mode=30}u>>>=2,l-=2;break;case 14:for(u>>>=7&l,l-=7&l;l<32;){if(0===o)break t;o--,u+=i[s++]<<l,l+=8}if((65535&u)!=(u>>>16^65535)){t.msg="invalid stored block lengths",r.mode=30;break}if(r.length=65535&u,l=u=0,r.mode=15,6===e)break t;case 15:r.mode=16;case 16:if(c=r.length){if(o<c&&(c=o),h<c&&(c=h),0===c)break t;I.arraySet(n,i,s,c,a),o-=c,s+=c,h-=c,a+=c,r.length-=c;break}r.mode=12;break;case 17:for(;l<14;){if(0===o)break t;o--,u+=i[s++]<<l,l+=8}if(r.nlen=257+(31&u),u>>>=5,l-=5,r.ndist=1+(31&u),u>>>=5,l-=5,r.ncode=4+(15&u),u>>>=4,l-=4,286<r.nlen||30<r.ndist){t.msg="too many length or distance symbols",r.mode=30;break}r.have=0,r.mode=18;case 18:for(;r.have<r.ncode;){for(;l<3;){if(0===o)break t;o--,u+=i[s++]<<l,l+=8}r.lens[A[r.have++]]=7&u,u>>>=3,l-=3}for(;r.have<19;)r.lens[A[r.have++]]=0;if(r.lencode=r.lendyn,r.lenbits=7,S={bits:r.lenbits},x=T(0,r.lens,0,19,r.lencode,0,r.work,S),r.lenbits=S.bits,x){t.msg="invalid code lengths set",r.mode=30;break}r.have=0,r.mode=19;case 19:for(;r.have<r.nlen+r.ndist;){for(;g=(C=r.lencode[u&(1<<r.lenbits)-1])>>>16&255,b=65535&C,!((_=C>>>24)<=l);){if(0===o)break t;o--,u+=i[s++]<<l,l+=8}if(b<16)u>>>=_,l-=_,r.lens[r.have++]=b;else{if(16===b){for(z=_+2;l<z;){if(0===o)break t;o--,u+=i[s++]<<l,l+=8}if(u>>>=_,l-=_,0===r.have){t.msg="invalid bit length repeat",r.mode=30;break}k=r.lens[r.have-1],c=3+(3&u),u>>>=2,l-=2}else if(17===b){for(z=_+3;l<z;){if(0===o)break t;o--,u+=i[s++]<<l,l+=8}l-=_,k=0,c=3+(7&(u>>>=_)),u>>>=3,l-=3}else{for(z=_+7;l<z;){if(0===o)break t;o--,u+=i[s++]<<l,l+=8}l-=_,k=0,c=11+(127&(u>>>=_)),u>>>=7,l-=7}if(r.have+c>r.nlen+r.ndist){t.msg="invalid bit length repeat",r.mode=30;break}for(;c--;)r.lens[r.have++]=k}}if(30===r.mode)break;if(0===r.lens[256]){t.msg="invalid code -- missing end-of-block",r.mode=30;break}if(r.lenbits=9,S={bits:r.lenbits},x=T(D,r.lens,0,r.nlen,r.lencode,0,r.work,S),r.lenbits=S.bits,x){t.msg="invalid literal/lengths set",r.mode=30;break}if(r.distbits=6,r.distcode=r.distdyn,S={bits:r.distbits},x=T(F,r.lens,r.nlen,r.ndist,r.distcode,0,r.work,S),r.distbits=S.bits,x){t.msg="invalid distances set",r.mode=30;break}if(r.mode=20,6===e)break t;case 20:r.mode=21;case 21:if(6<=o&&258<=h){t.next_out=a,t.avail_out=h,t.next_in=s,t.avail_in=o,r.hold=u,r.bits=l,R(t,d),a=t.next_out,n=t.output,h=t.avail_out,s=t.next_in,i=t.input,o=t.avail_in,u=r.hold,l=r.bits,12===r.mode&&(r.back=-1);break}for(r.back=0;g=(C=r.lencode[u&(1<<r.lenbits)-1])>>>16&255,b=65535&C,!((_=C>>>24)<=l);){if(0===o)break t;o--,u+=i[s++]<<l,l+=8}if(g&&0==(240&g)){for(v=_,y=g,w=b;g=(C=r.lencode[w+((u&(1<<v+y)-1)>>v)])>>>16&255,b=65535&C,!(v+(_=C>>>24)<=l);){if(0===o)break t;o--,u+=i[s++]<<l,l+=8}u>>>=v,l-=v,r.back+=v}if(u>>>=_,l-=_,r.back+=_,r.length=b,0===g){r.mode=26;break}if(32&g){r.back=-1,r.mode=12;break}if(64&g){t.msg="invalid literal/length code",r.mode=30;break}r.extra=15&g,r.mode=22;case 22:if(r.extra){for(z=r.extra;l<z;){if(0===o)break t;o--,u+=i[s++]<<l,l+=8}r.length+=u&(1<<r.extra)-1,u>>>=r.extra,l-=r.extra,r.back+=r.extra}r.was=r.length,r.mode=23;case 23:for(;g=(C=r.distcode[u&(1<<r.distbits)-1])>>>16&255,b=65535&C,!((_=C>>>24)<=l);){if(0===o)break t;o--,u+=i[s++]<<l,l+=8}if(0==(240&g)){for(v=_,y=g,w=b;g=(C=r.distcode[w+((u&(1<<v+y)-1)>>v)])>>>16&255,b=65535&C,!(v+(_=C>>>24)<=l);){if(0===o)break t;o--,u+=i[s++]<<l,l+=8}u>>>=v,l-=v,r.back+=v}if(u>>>=_,l-=_,r.back+=_,64&g){t.msg="invalid distance code",r.mode=30;break}r.offset=b,r.extra=15&g,r.mode=24;case 24:if(r.extra){for(z=r.extra;l<z;){if(0===o)break t;o--,u+=i[s++]<<l,l+=8}r.offset+=u&(1<<r.extra)-1,u>>>=r.extra,l-=r.extra,r.back+=r.extra}if(r.offset>r.dmax){t.msg="invalid distance too far back",r.mode=30;break}r.mode=25;case 25:if(0===h)break t;if(c=d-h,r.offset>c){if((c=r.offset-c)>r.whave&&r.sane){t.msg="invalid distance too far back",r.mode=30;break}p=c>r.wnext?(c-=r.wnext,r.wsize-c):r.wnext-c,c>r.length&&(c=r.length),m=r.window}else m=n,p=a-r.offset,c=r.length;for(h<c&&(c=h),h-=c,r.length-=c;n[a++]=m[p++],--c;);0===r.length&&(r.mode=21);break;case 26:if(0===h)break t;n[a++]=r.length,h--,r.mode=21;break;case 27:if(r.wrap){for(;l<32;){if(0===o)break t;o--,u|=i[s++]<<l,l+=8}if(d-=h,t.total_out+=d,r.total+=d,d&&(t.adler=r.check=r.flags?B(r.check,n,d,a-d):O(r.check,n,d,a-d)),d=h,(r.flags?u:L(u))!==r.check){t.msg="incorrect data check",r.mode=30;break}l=u=0}r.mode=28;case 28:if(r.wrap&&r.flags){for(;l<32;){if(0===o)break t;o--,u+=i[s++]<<l,l+=8}if(u!==(4294967295&r.total)){t.msg="incorrect length check",r.mode=30;break}l=u=0}r.mode=29;case 29:x=1;break t;case 30:x=-3;break t;case 31:return-4;case 32:default:return U}return t.next_out=a,t.avail_out=h,t.next_in=s,t.avail_in=o,r.hold=u,r.bits=l,(r.wsize||d!==t.avail_out&&r.mode<30&&(r.mode<27||4!==e))&&Z(t,t.output,t.next_out,d-t.avail_out)?(r.mode=31,-4):(f-=t.avail_in,d-=t.avail_out,t.total_in+=f,t.total_out+=d,r.total+=d,r.wrap&&d&&(t.adler=r.check=r.flags?B(r.check,n,d,t.next_out-d):O(r.check,n,d,t.next_out-d)),t.data_type=r.bits+(r.last?64:0)+(12===r.mode?128:0)+(20===r.mode||15===r.mode?256:0),(0==f&&0===d||4===e)&&x===N&&(x=-5),x)},r.inflateEnd=function(t){if(!t||!t.state)return U;var e=t.state;return e.window&&(e.window=null),t.state=null,N},r.inflateGetHeader=function(t,e){var r;return t&&t.state?0==(2&(r=t.state).wrap)?U:((r.head=e).done=!1,N):U},r.inflateSetDictionary=function(t,e){var r,i=e.length;return t&&t.state?0!==(r=t.state).wrap&&11!==r.mode?U:11===r.mode&&O(1,e,i,0)!==r.check?-3:Z(t,e,i,i)?(r.mode=31,-4):(r.havedict=1,N):U},r.inflateInfo="pako inflate (from Nodeca project)"},{"../utils/common":41,"./adler32":43,"./crc32":45,"./inffast":48,"./inftrees":50}],50:[function(t,e,r){"use strict";var D=t("../utils/common"),F=[3,4,5,6,7,8,9,10,11,13,15,17,19,23,27,31,35,43,51,59,67,83,99,115,131,163,195,227,258,0,0],N=[16,16,16,16,16,16,16,16,17,17,17,17,18,18,18,18,19,19,19,19,20,20,20,20,21,21,21,21,16,72,78],U=[1,2,3,4,5,7,9,13,17,25,33,49,65,97,129,193,257,385,513,769,1025,1537,2049,3073,4097,6145,8193,12289,16385,24577,0,0],P=[16,16,16,16,17,17,18,18,19,19,20,20,21,21,22,22,23,23,24,24,25,25,26,26,27,27,28,28,29,29,64,64];e.exports=function(t,e,r,i,n,s,a,o){var h,u,l,f,d,c,p,m,_,g=o.bits,b=0,v=0,y=0,w=0,k=0,x=0,S=0,z=0,C=0,E=0,A=null,I=0,O=new D.Buf16(16),B=new D.Buf16(16),R=null,T=0;for(b=0;b<=15;b++)O[b]=0;for(v=0;v<i;v++)O[e[r+v]]++;for(k=g,w=15;1<=w&&0===O[w];w--);if(w<k&&(k=w),0===w)return n[s++]=20971520,n[s++]=20971520,o.bits=1,0;for(y=1;y<w&&0===O[y];y++);for(k<y&&(k=y),b=z=1;b<=15;b++)if(z<<=1,(z-=O[b])<0)return-1;if(0<z&&(0===t||1!==w))return-1;for(B[1]=0,b=1;b<15;b++)B[b+1]=B[b]+O[b];for(v=0;v<i;v++)0!==e[r+v]&&(a[B[e[r+v]]++]=v);if(c=0===t?(A=R=a,19):1===t?(A=F,I-=257,R=N,T-=257,256):(A=U,R=P,-1),b=y,d=s,S=v=E=0,l=-1,f=(C=1<<(x=k))-1,1===t&&852<C||2===t&&592<C)return 1;for(;;){for(p=b-S,_=a[v]<c?(m=0,a[v]):a[v]>c?(m=R[T+a[v]],A[I+a[v]]):(m=96,0),h=1<<b-S,y=u=1<<x;n[d+(E>>S)+(u-=h)]=p<<24|m<<16|_|0,0!==u;);for(h=1<<b-1;E&h;)h>>=1;if(0!==h?(E&=h-1,E+=h):E=0,v++,0==--O[b]){if(b===w)break;b=e[r+a[v]]}if(k<b&&(E&f)!==l){for(0===S&&(S=k),d+=y,z=1<<(x=b-S);x+S<w&&!((z-=O[x+S])<=0);)x++,z<<=1;if(C+=1<<x,1===t&&852<C||2===t&&592<C)return 1;n[l=E&f]=k<<24|x<<16|d-s|0}}return 0!==E&&(n[d+E]=b-S<<24|64<<16|0),o.bits=k,0}},{"../utils/common":41}],51:[function(t,e,r){"use strict";e.exports={2:"need dictionary",1:"stream end",0:"","-1":"file error","-2":"stream error","-3":"data error","-4":"insufficient memory","-5":"buffer error","-6":"incompatible version"}},{}],52:[function(t,e,r){"use strict";var n=t("../utils/common"),o=0,h=1;function i(t){for(var e=t.length;0<=--e;)t[e]=0}var s=0,a=29,u=256,l=u+1+a,f=30,d=19,_=2*l+1,g=15,c=16,p=7,m=256,b=16,v=17,y=18,w=[0,0,0,0,0,0,0,0,1,1,1,1,2,2,2,2,3,3,3,3,4,4,4,4,5,5,5,5,0],k=[0,0,0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,13,13],x=[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,2,3,7],S=[16,17,18,0,8,7,9,6,10,5,11,4,12,3,13,2,14,1,15],z=new Array(2*(l+2));i(z);var C=new Array(2*f);i(C);var E=new Array(512);i(E);var A=new Array(256);i(A);var I=new Array(a);i(I);var O,B,R,T=new Array(f);function D(t,e,r,i,n){this.static_tree=t,this.extra_bits=e,this.extra_base=r,this.elems=i,this.max_length=n,this.has_stree=t&&t.length}function F(t,e){this.dyn_tree=t,this.max_code=0,this.stat_desc=e}function N(t){return t<256?E[t]:E[256+(t>>>7)]}function U(t,e){t.pending_buf[t.pending++]=255&e,t.pending_buf[t.pending++]=e>>>8&255}function P(t,e,r){t.bi_valid>c-r?(t.bi_buf|=e<<t.bi_valid&65535,U(t,t.bi_buf),t.bi_buf=e>>c-t.bi_valid,t.bi_valid+=r-c):(t.bi_buf|=e<<t.bi_valid&65535,t.bi_valid+=r)}function L(t,e,r){P(t,r[2*e],r[2*e+1])}function j(t,e){for(var r=0;r|=1&t,t>>>=1,r<<=1,0<--e;);return r>>>1}function Z(t,e,r){var i,n,s=new Array(g+1),a=0;for(i=1;i<=g;i++)s[i]=a=a+r[i-1]<<1;for(n=0;n<=e;n++){var o=t[2*n+1];0!==o&&(t[2*n]=j(s[o]++,o))}}function W(t){var e;for(e=0;e<l;e++)t.dyn_ltree[2*e]=0;for(e=0;e<f;e++)t.dyn_dtree[2*e]=0;for(e=0;e<d;e++)t.bl_tree[2*e]=0;t.dyn_ltree[2*m]=1,t.opt_len=t.static_len=0,t.last_lit=t.matches=0}function M(t){8<t.bi_valid?U(t,t.bi_buf):0<t.bi_valid&&(t.pending_buf[t.pending++]=t.bi_buf),t.bi_buf=0,t.bi_valid=0}function H(t,e,r,i){var n=2*e,s=2*r;return t[n]<t[s]||t[n]===t[s]&&i[e]<=i[r]}function G(t,e,r){for(var i=t.heap[r],n=r<<1;n<=t.heap_len&&(n<t.heap_len&&H(e,t.heap[n+1],t.heap[n],t.depth)&&n++,!H(e,i,t.heap[n],t.depth));)t.heap[r]=t.heap[n],r=n,n<<=1;t.heap[r]=i}function K(t,e,r){var i,n,s,a,o=0;if(0!==t.last_lit)for(;i=t.pending_buf[t.d_buf+2*o]<<8|t.pending_buf[t.d_buf+2*o+1],n=t.pending_buf[t.l_buf+o],o++,0===i?L(t,n,e):(L(t,(s=A[n])+u+1,e),0!==(a=w[s])&&P(t,n-=I[s],a),L(t,s=N(--i),r),0!==(a=k[s])&&P(t,i-=T[s],a)),o<t.last_lit;);L(t,m,e)}function Y(t,e){var r,i,n,s=e.dyn_tree,a=e.stat_desc.static_tree,o=e.stat_desc.has_stree,h=e.stat_desc.elems,u=-1;for(t.heap_len=0,t.heap_max=_,r=0;r<h;r++)0!==s[2*r]?(t.heap[++t.heap_len]=u=r,t.depth[r]=0):s[2*r+1]=0;for(;t.heap_len<2;)s[2*(n=t.heap[++t.heap_len]=u<2?++u:0)]=1,t.depth[n]=0,t.opt_len--,o&&(t.static_len-=a[2*n+1]);for(e.max_code=u,r=t.heap_len>>1;1<=r;r--)G(t,s,r);for(n=h;r=t.heap[1],t.heap[1]=t.heap[t.heap_len--],G(t,s,1),i=t.heap[1],t.heap[--t.heap_max]=r,t.heap[--t.heap_max]=i,s[2*n]=s[2*r]+s[2*i],t.depth[n]=(t.depth[r]>=t.depth[i]?t.depth[r]:t.depth[i])+1,s[2*r+1]=s[2*i+1]=n,t.heap[1]=n++,G(t,s,1),2<=t.heap_len;);t.heap[--t.heap_max]=t.heap[1],function(t,e){var r,i,n,s,a,o,h=e.dyn_tree,u=e.max_code,l=e.stat_desc.static_tree,f=e.stat_desc.has_stree,d=e.stat_desc.extra_bits,c=e.stat_desc.extra_base,p=e.stat_desc.max_length,m=0;for(s=0;s<=g;s++)t.bl_count[s]=0;for(h[2*t.heap[t.heap_max]+1]=0,r=t.heap_max+1;r<_;r++)p<(s=h[2*h[2*(i=t.heap[r])+1]+1]+1)&&(s=p,m++),h[2*i+1]=s,u<i||(t.bl_count[s]++,a=0,c<=i&&(a=d[i-c]),o=h[2*i],t.opt_len+=o*(s+a),f&&(t.static_len+=o*(l[2*i+1]+a)));if(0!==m){do{for(s=p-1;0===t.bl_count[s];)s--;t.bl_count[s]--,t.bl_count[s+1]+=2,t.bl_count[p]--,m-=2}while(0<m);for(s=p;0!==s;s--)for(i=t.bl_count[s];0!==i;)u<(n=t.heap[--r])||(h[2*n+1]!==s&&(t.opt_len+=(s-h[2*n+1])*h[2*n],h[2*n+1]=s),i--)}}(t,e),Z(s,u,t.bl_count)}function X(t,e,r){var i,n,s=-1,a=e[1],o=0,h=7,u=4;for(0===a&&(h=138,u=3),e[2*(r+1)+1]=65535,i=0;i<=r;i++)n=a,a=e[2*(i+1)+1],++o<h&&n===a||(o<u?t.bl_tree[2*n]+=o:0!==n?(n!==s&&t.bl_tree[2*n]++,t.bl_tree[2*b]++):o<=10?t.bl_tree[2*v]++:t.bl_tree[2*y]++,s=n,u=(o=0)===a?(h=138,3):n===a?(h=6,3):(h=7,4))}function V(t,e,r){var i,n,s=-1,a=e[1],o=0,h=7,u=4;for(0===a&&(h=138,u=3),i=0;i<=r;i++)if(n=a,a=e[2*(i+1)+1],!(++o<h&&n===a)){if(o<u)for(;L(t,n,t.bl_tree),0!=--o;);else 0!==n?(n!==s&&(L(t,n,t.bl_tree),o--),L(t,b,t.bl_tree),P(t,o-3,2)):o<=10?(L(t,v,t.bl_tree),P(t,o-3,3)):(L(t,y,t.bl_tree),P(t,o-11,7));s=n,u=(o=0)===a?(h=138,3):n===a?(h=6,3):(h=7,4)}}i(T);var q=!1;function J(t,e,r,i){P(t,(s<<1)+(i?1:0),3),function(t,e,r,i){M(t),i&&(U(t,r),U(t,~r)),n.arraySet(t.pending_buf,t.window,e,r,t.pending),t.pending+=r}(t,e,r,!0)}r._tr_init=function(t){q||(function(){var t,e,r,i,n,s=new Array(g+1);for(i=r=0;i<a-1;i++)for(I[i]=r,t=0;t<1<<w[i];t++)A[r++]=i;for(A[r-1]=i,i=n=0;i<16;i++)for(T[i]=n,t=0;t<1<<k[i];t++)E[n++]=i;for(n>>=7;i<f;i++)for(T[i]=n<<7,t=0;t<1<<k[i]-7;t++)E[256+n++]=i;for(e=0;e<=g;e++)s[e]=0;for(t=0;t<=143;)z[2*t+1]=8,t++,s[8]++;for(;t<=255;)z[2*t+1]=9,t++,s[9]++;for(;t<=279;)z[2*t+1]=7,t++,s[7]++;for(;t<=287;)z[2*t+1]=8,t++,s[8]++;for(Z(z,l+1,s),t=0;t<f;t++)C[2*t+1]=5,C[2*t]=j(t,5);O=new D(z,w,u+1,l,g),B=new D(C,k,0,f,g),R=new D(new Array(0),x,0,d,p)}(),q=!0),t.l_desc=new F(t.dyn_ltree,O),t.d_desc=new F(t.dyn_dtree,B),t.bl_desc=new F(t.bl_tree,R),t.bi_buf=0,t.bi_valid=0,W(t)},r._tr_stored_block=J,r._tr_flush_block=function(t,e,r,i){var n,s,a=0;0<t.level?(2===t.strm.data_type&&(t.strm.data_type=function(t){var e,r=4093624447;for(e=0;e<=31;e++,r>>>=1)if(1&r&&0!==t.dyn_ltree[2*e])return o;if(0!==t.dyn_ltree[18]||0!==t.dyn_ltree[20]||0!==t.dyn_ltree[26])return h;for(e=32;e<u;e++)if(0!==t.dyn_ltree[2*e])return h;return o}(t)),Y(t,t.l_desc),Y(t,t.d_desc),a=function(t){var e;for(X(t,t.dyn_ltree,t.l_desc.max_code),X(t,t.dyn_dtree,t.d_desc.max_code),Y(t,t.bl_desc),e=d-1;3<=e&&0===t.bl_tree[2*S[e]+1];e--);return t.opt_len+=3*(e+1)+5+5+4,e}(t),n=t.opt_len+3+7>>>3,(s=t.static_len+3+7>>>3)<=n&&(n=s)):n=s=r+5,r+4<=n&&-1!==e?J(t,e,r,i):4===t.strategy||s===n?(P(t,2+(i?1:0),3),K(t,z,C)):(P(t,4+(i?1:0),3),function(t,e,r,i){var n;for(P(t,e-257,5),P(t,r-1,5),P(t,i-4,4),n=0;n<i;n++)P(t,t.bl_tree[2*S[n]+1],3);V(t,t.dyn_ltree,e-1),V(t,t.dyn_dtree,r-1)}(t,t.l_desc.max_code+1,t.d_desc.max_code+1,a+1),K(t,t.dyn_ltree,t.dyn_dtree)),W(t),i&&M(t)},r._tr_tally=function(t,e,r){return t.pending_buf[t.d_buf+2*t.last_lit]=e>>>8&255,t.pending_buf[t.d_buf+2*t.last_lit+1]=255&e,t.pending_buf[t.l_buf+t.last_lit]=255&r,t.last_lit++,0===e?t.dyn_ltree[2*r]++:(t.matches++,e--,t.dyn_ltree[2*(A[r]+u+1)]++,t.dyn_dtree[2*N(e)]++),t.last_lit===t.lit_bufsize-1},r._tr_align=function(t){P(t,2,3),L(t,m,z),function(t){16===t.bi_valid?(U(t,t.bi_buf),t.bi_buf=0,t.bi_valid=0):8<=t.bi_valid&&(t.pending_buf[t.pending++]=255&t.bi_buf,t.bi_buf>>=8,t.bi_valid-=8)}(t)}},{"../utils/common":41}],53:[function(t,e,r){"use strict";e.exports=function(){this.input=null,this.next_in=0,this.avail_in=0,this.total_in=0,this.output=null,this.next_out=0,this.avail_out=0,this.total_out=0,this.msg="",this.state=null,this.data_type=2,this.adler=0}},{}],54:[function(t,e,r){"use strict";e.exports="function"==typeof setImmediate?setImmediate:function(){var t=[].slice.apply(arguments);t.splice(1,0,0),setTimeout.apply(null,t)}},{}]},{},[10])(10)});


--------------------------------------------------------------------------------
/script.js:
--------------------------------------------------------------------------------
  1 | /* If you are looking here then I assume you have some interest in understanding how to
  2 |  * manipulate the WAD3 format. If you are creating a free application for the benefit
  3 |  * of the community then feel free to sift through and copy any code that you like. 
  4 |  * If you have any questions, contact me at 
  5 |  * joe((at))fortunatelyjoe.com <---- See how I fooled the bots there!
  6 |  *
  7 |  * Good luck in your programming endeavors!
  8 |  *
  9 |  * -Joe */
 10 | 
 11 | 
 12 | 
 13 | "use strict";
 14 | 
 15 | var textures = []; // A global array containing all the texture objects
 16 | var file_name = "" // store the name of the currently open WAD file
 17 | 
 18 | 
 19 | /********************************************************
 20 |  * upload
 21 |  *
 22 |  * Handles the file upload button
 23 |  ********************************************************/
 24 | function upload() {
 25 |   // Clear any previous loaded textures   
 26 |   textures = [];
 27 | 
 28 |   // Clear any previous loaded textures from document texture list
 29 |   var select = document.getElementById("texture_list");
 30 |   for(var i = select.options.length - 1 ; i >= 0 ; i--)
 31 |     select.remove(i);
 32 | 
 33 |   // Get the file
 34 |   var file = document.getElementById("upload").files[0];
 35 |   file_name = file.name
 36 |   // Create a FileReader to read file
 37 |   var reader = new FileReader();
 38 |   
 39 |   // Set up callback function so when the FilReader is finished, it passes the ArrayBuffer
 40 |   // to the parseWad function
 41 |   reader.onload = function() {
 42 |     parseWad(reader.result);  
 43 |   }
 44 | 
 45 |   // Start converting file to ArrayBuffer
 46 |   reader.readAsArrayBuffer(file);
 47 | 
 48 | }
 49 | 
 50 | 
 51 | 
 52 | /********************************************************
 53 |  * onSelectTexture
 54 |  *
 55 |  * Event handler for when a texture is selected from the
 56 |  * texture list. 
 57 |  ********************************************************/
 58 | function onSelectTexture() {
 59 |   var index = document.getElementById("texture_list").selectedIndex;
 60 |   displayTexture(textures[index]);
 61 |   
 62 |   // Update rename box with current texture name
 63 |   document.getElementById("rename").value = textures[index].name;
 64 | }
 65 | 
 66 | 
 67 | 
 68 | /********************************************************
 69 |  * parseWad
 70 |  *
 71 |  * Takes an ArrayBuffer of a WAD file and parses it.
 72 |  ********************************************************/
 73 | function parseWad(buffer) {
 74 | 
 75 |   // Create DataView to view the buffer by types
 76 |   var dv = new DataView(buffer);
 77 |   
 78 |   // Is this a valid WAD3 file?
 79 |   if (!isValidWad(dv)) {
 80 |     alert("File is not a valid WAD3 file.");
 81 |     return;
 82 |   }
 83 | 
 84 |   // Get the WAD header
 85 |   var header = getWadHeader(dv);
 86 | 
 87 |   // Get the WAD Directory Entries (List of texture file details)
 88 |   var entries = getWadEntries(dv, header.dirOffset, header.nEntries); // Global
 89 | 
 90 |   // Create the texture objects
 91 |   for (var i = 0; i < entries.length; i++) {
 92 |     textures[i] = retrieveTexture(dv, entries[i]);
 93 |   }
 94 | 
 95 |   // Populate texture list
 96 |   for (var i = 0; i < entries.length; i++) {
 97 |     var option = document.createElement("OPTION");
 98 | 	  option.text = entries[i].name;
 99 | 	  option.value = entries[i].name;
100 |     document.getElementById("texture_list").options.add(option);
101 |   }
102 | 
103 |   // Display first texture as default
104 |   var texture = retrieveTexture(dv, entries[0]);
105 |   document.getElementById("texture_list").selectedIndex = 0
106 |   displayTexture(texture);
107 | }
108 | 
109 | 
110 | 
111 | /********************************************************
112 |  * getWadHeader
113 |  *
114 |  * Takes a DataView object of the WAD file and parses the
115 |  * WAD header into an object.
116 |  *
117 |  *Header Specification (12 bytes)
118 |  *  4   Magic Number  "WAD3"
119 |  *  4   nDir          (The number of directory entries)
120 |  *  4   nDirOffset    Offset into file where entries start
121 |  ********************************************************/
122 | function getWadHeader(dv) {
123 |   var header = {};
124 |   
125 |   // Get the number of entries
126 |   header.nEntries = dv.getUint32(4, true);
127 | 
128 |   // Get directory offset (directory contains all the file entries)
129 |   header.dirOffset = dv.getUint32(8, true);  
130 | 
131 |   return header;
132 | }
133 | 
134 | 
135 | 
136 | /********************************************************
137 |  * isWadValid
138 |  *
139 |  * Takes a DataView object of the WAD file and checks for
140 |  * the magic string "WAD3". Returns true if valid, false
141 |  * if not.
142 |  ********************************************************/
143 | function isValidWad(dv) {
144 |   // Read magic string and make sure this is a valid WAD3 File
145 |   if (dv.getUint8(0) != 0x57 || dv.getUint8(1) != 0x41 || dv.getUint8(2) != 0x44 || dv.getUint8(3) != 0x33) // "WAD3"
146 |     return false;
147 | 
148 |   return true;
149 | }
150 | 
151 | 
152 | 
153 | /********************************************************
154 |  * getWadEntries
155 |  *
156 |  * Takes a DataView object of the WAD file and parses the
157 |  * collection of WAD entries into an array of objects.
158 |  *
159 |  * Directory Entry Specification (32 bytes)
160 |  *  4   nFilePos      Absolute offset to file's location
161 |  *  4   nDiskSize     Size of the file
162 |  *  4   nSize         Uncompressed size
163 |  *  1   nType         Type of entry
164 |  *  1   bCompression  0 if not compressed
165 |  *  2   nDUmmy        Unused
166 |  *  16  szName        Name of file (null terminated)  
167 |  ********************************************************/
168 | function getWadEntries(dv, dirOffset, nEntries) {
169 |   var entrySize = 32;
170 |   var entries = [];
171 | 
172 |   for (var i = 0; i < nEntries; i++) {
173 | 
174 |     // Object to hold entry
175 |     var currEntry = {};
176 | 
177 |     // Offset to start of current entry
178 |     var entryPos = dirOffset + i * entrySize;
179 | 
180 |     // Offset property
181 |     currEntry.offset = dv.getUint32(entryPos, true);
182 | 
183 |     // Size property
184 |     currEntry.size = dv.getUint32(entryPos + 4, true);
185 | 
186 |     // Uncompressed Size property
187 |     currEntry.uSize = dv.getUint32(entryPos + 8, true);
188 | 
189 |     // Type property
190 |     currEntry.type = dv.getUint8(entryPos + 12);
191 | 
192 |     // Compressed State property
193 |     currEntry.isCompressed = dv.getUint8(entryPos + 13);
194 | 
195 |     // Name String property
196 |     currEntry.name = dataViewToString(dv, entryPos + 16, 16);
197 | 
198 |     // Add entry to entries array
199 |     entries.push(currEntry);
200 | 
201 |   }
202 |   
203 |   return entries;
204 | }
205 | 
206 | 
207 | 
208 | /********************************************************
209 |  * dataViewToString
210 |  *
211 |  * Takes a DataView object of the WAD file, a starting
212 |  * offset, and a maximum length and converts that portion
213 |  * of the dataView to a string.
214 |  ********************************************************/
215 | function dataViewToString(dv, start, len) {
216 |   var str = "";
217 |     for (var i = 0; i < len; i++) {
218 |       // Get the ASCII code
219 |       var charCode = dv.getUint8(start + i);
220 | 
221 |       // End loop if NULL-terminator
222 |       if (charCode == 0) break;
223 | 
224 |       // Add character to name string
225 |       str += String.fromCharCode(charCode);
226 |     }
227 |   return str;
228 | }
229 | 
230 | 
231 | 
232 | /********************************************************
233 |  * retrieveTexture
234 |  *
235 |  * Takes a DataView object of the WAD file, and the 
236 |  * the texture's directory entry object and creates
237 |  * a texture object.
238 |  *
239 |  * Texture File Specification (file header is 40 bytes)
240 |  *  16  szName    Name of texture file (null terminated)
241 |  *  4   nWidth    Width of texture in pixels
242 |  *  4   nHeight   Height of texture in pixels
243 |  *  4   offset0   relative Offset to level 0 MIP texture
244 |  *  4   offset1   relative Offset to level 1 MIP texture
245 |  *  4   offset2   relative Offset to level 2 MIP texture
246 |  *  4   offset3   relative offset to level 3 MIP texture
247 |  *---OFFSETS ARE RELATIVE TO BEGINNING OF FILE HEADER)---
248 |  *  VAR tex0      MIP texture level 0
249 |  *  VAR tex1      MIP texture level 1
250 |  *  VAR tex2      MIP texture level 2
251 |  *  VAR tex3      MIP texture level 3
252 |  *  2   nColors   Number of colors in palette (Max 256)
253 |  *  768 palette   Color table, 256 triplets of (R, G, B)
254 |  *  2   padding
255 |  ********************************************************/
256 | function retrieveTexture(dv, dirEntry) {
257 |   var texture = {};
258 |   var offset = dirEntry.offset; // Offset of actual texture within file
259 | 
260 |   // Name
261 |   texture.name = dataViewToString(dv, offset, 16);
262 | 
263 |   // Width/Height
264 |   texture.width = dv.getUint32(offset + 16, true);
265 |   texture.height = dv.getUint32(offset + 20, true);
266 | 
267 |   // MIP Texture Offsets by level
268 |   var mipOffset = [];
269 |   mipOffset[0] = dv.getUint32(offset + 24, true);
270 |   mipOffset[1] = dv.getUint32(offset + 28, true);
271 |   mipOffset[2] = dv.getUint32(offset + 32, true);
272 |   mipOffset[3] = dv.getUint32(offset + 36, true);
273 |   
274 |   // Read in MIP Textures by level
275 |   texture.mipLevel = [];
276 |   for (var level = 0; level < 4; level++) {
277 |     texture.mipLevel[level] = [];
278 | 
279 |     // Read the pixels (Note, these are not RGB values, they are references to the palette)
280 |     // The texture dimensions are divided by a power of 4 for each additional MIP level /4 /16 /64
281 |     var nPixels = (texture.width * texture.height) / Math.pow(4, level);
282 |     for (var i = 0; i < nPixels; i++) {
283 |       texture.mipLevel[level][i] = dv.getUint8(offset + mipOffset[level] + i, true);
284 |     }
285 |   }
286 | 
287 |   // Read in palette
288 |   texture.palette = [];
289 | 
290 |   // Palette is at the end of the file. We find the palette by starting at the file offset, fast-forward 
291 |   // to end of file, then back off by the size of the palette 768 (256 * 3)
292 |   var paletteOffset = offset + dirEntry.size - 768 - 2;
293 |   for (var i = 0; i < 768; i += 3) {
294 |     var r = dv.getUint8(paletteOffset + i, true);
295 |     var g = dv.getUint8(paletteOffset + i + 1, true);
296 |     var b = dv.getUint8(paletteOffset + i + 2, true);
297 | 
298 |     // Add the RGB object to the palette array
299 |     texture.palette.push({r:r, g:g, b:b});
300 |   }
301 |   return texture;
302 | }
303 | 
304 | 
305 | 
306 | /********************************************************
307 |  * displayTexture
308 |  *
309 |  * Takes a texture object and displays it on the
310 |  * "viewport" canvas
311 |  ********************************************************/
312 | function displayTexture(texture) {
313 | 
314 |   // Get canvas context  
315 |   var canvas = document.getElementById("viewport");
316 |   var ctx = canvas.getContext("2d");
317 | 
318 |   // Resize canvas to image
319 |   canvas.height = texture.height;
320 |   canvas.width = texture.width;
321 |   
322 |   // Get access to the canvas pixel buffer
323 |   var imgData = ctx.createImageData(texture.width, texture.height);
324 |   
325 |   // Clear screen
326 |   ctx.clearRect(0, 0, canvas.width, canvas.height);
327 | 
328 |   // Draw pixels to pixel buffer
329 |   var nPixels = texture.width * texture.height;
330 |   var imgDataIndex = 0;
331 |   for (var i = 0; i < nPixels; i++) {
332 |     var palIndex = texture.mipLevel[0][i];
333 |     imgData.data[imgDataIndex + 0] = texture.palette[palIndex].r; // Red
334 |     imgData.data[imgDataIndex + 1] = texture.palette[palIndex].g; // Green
335 |     imgData.data[imgDataIndex + 2] = texture.palette[palIndex].b; // Blue
336 |     imgData.data[imgDataIndex + 3] = 255;                         // Alpha
337 |     imgDataIndex += 4;  
338 |   }
339 | 
340 |   // Send pixel buffer back to canvas
341 |   ctx.putImageData(imgData, 0, 0);
342 | }
343 | 
344 | 
345 | 
346 | /********************************************************
347 |  * buildWad()
348 |  *
349 |  * Builds a binary WAD file using textures stored in the
350 |  * global "textures" array variable and then initiates
351 |  * the download.
352 |  ********************************************************/
353 | function buildWad() {
354 |   // Keep track of file offsets for later when we build directory entries
355 |   var fileOffsets = [];
356 | 
357 |   // Keep track of the individual file lengths for later when we build directory entries
358 |   var fileSizes = [];
359 | 
360 |   // Header size
361 |   var headerSize = 12;
362 |   
363 |   // Calculate the size of the directory entries section
364 |   var entriesSize = textures.length * 32;
365 | 
366 |   // Calculate size of the file/data section
367 |   var fileSectionSize = 0;
368 |   for (var i = 0; i < textures.length; i++) {
369 |     var nPixels = textures[i].width * textures[i].height;
370 |     fileSectionSize += 40 + nPixels + nPixels/4 + nPixels/16 + nPixels/64 + 2 + 768 + 2;
371 |   }
372 | 
373 |   // Create a buffer to hold our file
374 |   var buffer = new ArrayBuffer(headerSize + entriesSize + fileSectionSize);
375 | 
376 |   // Create a dataview so we can populate the buffer with specific data types
377 |   var dv =  new DataView(buffer);
378 | 
379 |   // File position
380 |   var pos = 0;
381 |   
382 |   // Build header
383 |   pos = putByte(dv, pos, 0x57); // W
384 |   pos = putByte(dv, pos, 0x41); // A
385 |   pos = putByte(dv, pos, 0x44); // D
386 |   pos = putByte(dv, pos, 0x33); // 3
387 |   pos = put32(dv, pos, textures.length);              // nDirs
388 |   pos = put32(dv, pos, headerSize + fileSectionSize); // nDirOffset (entries start after file/data section)
389 | 
390 | 
391 |   // Build File/Data section
392 |   for (var i = 0; i < textures.length; i++) {
393 |     fileOffsets.push(pos); // Note the current file position (used in directory entry later)
394 | 
395 |     pos = putStr16(dv, pos, textures[i].name); // Name string
396 |     pos = put32(dv, pos, textures[i].width);   // Width
397 |     pos = put32(dv, pos, textures[i].height);  // Height
398 | 
399 |     // Calculate MIP texture offsets
400 |     var nPixels = textures[i].height * textures[i].width;
401 |     var mipOffset0 = 40;
402 |     var mipOffset1 = mipOffset0 + nPixels;
403 |     var mipOffset2 = mipOffset1 + nPixels/4;
404 |     var mipOffset3 = mipOffset2 + nPixels/16;
405 | 
406 |     // Write the MIP offsets
407 |     pos = put32(dv, pos, mipOffset0);   // MIP Level 0 offset
408 |     pos = put32(dv, pos, mipOffset1);   // MIP Level 1 offset
409 |     pos = put32(dv, pos, mipOffset2);   // MIP Level 2 offset
410 |     pos = put32(dv, pos, mipOffset3);   // MIP Level 3 offset
411 | 
412 |     // Write the MIP texture data by level
413 |     for (var level = 0; level < 4; level++) {
414 |       
415 |       // Write all pixels within that layer
416 |       var currLevel = textures[i].mipLevel[level];
417 |       var currLength = currLevel.length;
418 |       for (var pixel = 0; pixel < currLength; pixel++) {
419 |         
420 |         // Write pixel
421 |         pos = putByte(dv, pos, currLevel[pixel]);
422 |       } 
423 |     }
424 | 
425 |     // Write the palette
426 |     pos = put16(dv, pos, 256); // Number of colors used
427 |     var palette = textures[i].palette;
428 |     for (var palIndex = 0; palIndex < 256; palIndex++) {
429 |       
430 |       // Write palette entry
431 |       pos = putByte(dv, pos, palette[palIndex].r); // Red
432 |       pos = putByte(dv, pos, palette[palIndex].g); // Green
433 |       pos = putByte(dv, pos, palette[palIndex].b); // Blue
434 |     }
435 |     
436 |     // 2 bytes of padding following palette
437 |     pos = put16(dv, pos, 0);
438 | 
439 |     // Record the file size (current position - starting position)
440 |     fileSizes[i] = pos - fileOffsets[i];
441 |   } 
442 | 
443 |   // Now build the directory entries
444 |   for (var i = 0; i < textures.length; i++) {
445 |     pos = put32(dv, pos, fileOffsets[i]);       // offset of file in WAD
446 |     pos = put32(dv, pos, fileSizes[i]);         // file size
447 |     pos = put32(dv, pos, fileSizes[i]);         // uncompressed size (same, we don't support compression)
448 |     pos = putByte(dv, pos, 67);                 // type (67 is what Wally uses, so it must be a good choice)
449 |     pos = putByte(dv, pos, 0);                  // compression (0 because we don't support it)
450 |     pos = put16(dv, pos, 0);                    // 2 dummy bytes
451 |     pos = putStr16(dv, pos, textures[i].name);  // texture name (16 bytes, null terminated)
452 |   }
453 | 
454 |   saveData(buffer, "download.wad");
455 | }
456 | 
457 | 
458 | 
459 | /********************************************************
460 |  * binary put functions
461 |  *
462 |  * Takes a dataview object, a position (in bytes), and
463 |  * a variable to write.
464 |  ********************************************************/
465 | function putByte(dv, pos, data) {
466 |   dv.setUint8(pos, data);
467 |   return pos + 1; 
468 | }
469 | 
470 | function put16(dv, pos, data) {
471 |   dv.setUint16(pos, data, true);
472 |   return pos += 2;
473 | }
474 | 
475 | function put32(dv, pos, data) {
476 |   dv.setUint32(pos, data, true);
477 |   return pos += 4;
478 | }
479 | 
480 | function putStr16(dv, pos, str) {
481 |   if (str.length > 15) {
482 |     console.error("putStr16: Attempted to use string greater than length 15");
483 |     return null;
484 |   }
485 | 
486 |   var charLoop = str.length;        // How many characters to add
487 |   var nullLoop = 16 - str.length;   // How many null terminators to add
488 | 
489 |   // Loop to add the string characters
490 |   for (var i = 0; i < charLoop; i++) {
491 |     var charCode = str.charCodeAt(i);
492 |     dv.setUint8(pos + i, charCode);
493 |   }
494 | 
495 |   // Loop to fill the any remaining bytes within the 16 length with null terminators
496 |   for (var i = 0; i < nullLoop; i++) {
497 |     dv.setUint8(pos + charLoop + i, 0);
498 |   }
499 | 
500 |   return pos += 16;
501 | }
502 | 
503 | 
504 | 
505 | /********************************************************
506 |  * saveData
507 |  *
508 |  * Takes a data buffer (assumed to be a binary file) and
509 |  * initiates the download.
510 |  ********************************************************/
511 | function saveData(data, fileName) {
512 |     var a = document.createElement("a");
513 |     document.body.appendChild(a);
514 |     a.style = "display: none";
515 | 
516 |     var blob = new Blob([data], {type: "octet/stream"});
517 |     var url = window.URL.createObjectURL(blob);
518 |     a.href = url;
519 |     a.download = fileName;
520 |     a.click();
521 |     window.URL.revokeObjectURL(url);
522 | }
523 | 
524 | /********************************************************
525 |  * exportZip()
526 |  *
527 |  * Build a zip from all textures and save it
528 |  ********************************************************/
529 | function exportZip() {
530 | 	var zip = new JSZip();
531 | 	// create a folder with the name of the file to prevent a mess on "extract here"
532 | 	var img = zip.folder(file_name.toLowerCase().replace(".wad", ""));
533 | 	var canvas = document.getElementById("viewport");
534 | 	for (var i = 0; i < textures.length; i++) {
535 | 		// display each texture to get it's data URL
536 | 		displayTexture(textures[i])
537 | 		// convert the dataURL to base64 and save it to a file
538 | 		img.file(`${textures[i].name}.png`, canvas.toDataURL().replace(/^data:image\/(png|jpg);base64,/, ""), {base64: true});
539 | 	}
540 | 	zip.generateAsync({type:"blob"})
541 | 		.then(function(content) {
542 | 			// see FileSaver.js
543 | 			saveAs(content, `${file_name}.zip`);
544 | 		});
545 | 	// re-display the currently selected texture
546 | 	displayTexture(textures[document.getElementById("texture_list").selectedIndex])
547 | }
548 | 
549 | /********************************************************
550 |  * add_img_handler()
551 |  *
552 |  * Handles the actions for adding an image to the WAD
553 |  * collection.
554 |  ********************************************************/
555 | function add_img_handler(){
556 |     // Get the image file
557 |     var imgFile = document.getElementById("add_img").files[0];
558 | 
559 |     // Create a FileReader and onload handler
560 |     var reader = new FileReader();
561 |     reader.onload = function(event){
562 | 
563 |       // Create image and onload handler
564 |       var img = new Image();
565 |       img.onload = function(){
566 | 
567 |         // Status Window
568 |         var status = document.getElementById("status");
569 |         status.value = "Status: Starting";
570 | 
571 |         // Make sure img dimensions are multiples of 16
572 |         if (img.width % 16 || img.height % 16) {
573 |           status.value = "Status: Error - Image dimensions must be multiples of 16." 
574 |           return;
575 |         }
576 |         
577 |         // Disable interface
578 |         setDisableInterface(true);
579 | 
580 |         // Set-up canvas 
581 |         var canvas = document.getElementById("viewport");
582 |         var ctx = canvas.getContext("2d");
583 |         canvas.width = img.width;
584 |         canvas.height = img.height;
585 | 
586 |         // Draw image to canvas
587 |         ctx.drawImage(img,0,0);
588 | 
589 |         // Get the pixel buffer from the canvas
590 |         var buffer = ctx.getImageData(0, 0, canvas.width, canvas.height).data;
591 | 
592 |         // Create web worker to handle the intense image processing routines
593 |         var textureWorker = new Worker('create_texture.js');
594 | 
595 |         // Worker output variable
596 |         var texture;
597 | 
598 |         // Message handler for textureWorker
599 |         textureWorker.onmessage = function(event) {
600 | 
601 |           // Is incoming message a status update?
602 |           if (event.data.type == "status") {
603 |             status.value = "Status: " + event.data.msg;  
604 |           }            
605 |           
606 |           // Otherwise its the processed texture
607 |           else {
608 |             texture = event.data.texture;
609 |             
610 |             // Display the image from palette form
611 |             displayImg(texture.mipLevel[0], texture.palette);
612 | 
613 |             // Add the texture (handles document stuff)
614 |             addTexture(texture);
615 | 
616 |             // Reenable interface
617 |             setDisableInterface(false);
618 | 
619 |             console.log(texture.palette);
620 |           }
621 |         }
622 | 
623 |         // Start textureWorker thread
624 |         textureWorker.postMessage({height:img.height, width:img.width, name:imgFile.name, buffer:buffer});        
625 |     }
626 |     img.src = event.target.result; 
627 |   }
628 |   // Invoke FileReader with the image file
629 |   reader.readAsDataURL(imgFile);     
630 | }
631 | 
632 | 
633 | 
634 | /********************************************************
635 |  * displayImg()
636 |  *
637 |  * Takes an array of pixels (which are not RGB values, but
638 |  * references into the palette), and the palette itself
639 |  * and displays the image in the viewport canvas.
640 |  ********************************************************/
641 | function displayImg(refs, palette) {
642 |   // Get image data to swap out
643 |   var canvas = document.getElementById("viewport");
644 |   var ctx = canvas.getContext("2d");
645 |   var imgData = ctx.getImageData(0, 0, canvas.width, canvas.height);
646 |   var buffer = imgData.data;
647 | 
648 |   // For all the palette references in the buffer
649 |   var pixelIndex = 0;
650 |   for (var i = 0; i < refs.length; i++) {
651 |     // Grab color from palette
652 |     var color = palette[refs[i]];
653 | 
654 |     // Build the pixel in the pixel buffer
655 |     buffer[pixelIndex++] = color.r;
656 |     buffer[pixelIndex++] = color.g;
657 |     buffer[pixelIndex++] = color.b;
658 |     buffer[pixelIndex++] = 255;
659 |   }
660 | 
661 |   // Reinsert image data to canvas
662 |   ctx.putImageData(imgData, 0, 0);
663 | }
664 | 
665 | 
666 | 
667 | /********************************************************
668 |  * addTexture()
669 |  *
670 |  * Takes a texture object handles integrating it into the
671 |  * WAD's collection. Also handles updating document with
672 |  * new texture's information.
673 |  ********************************************************/
674 | function addTexture(texture) {
675 |   // TODO ----------------- Generate mip textures 
676 |   
677 |   // Add texture object
678 |   textures.push(texture);
679 | 
680 |   // Add to list
681 |   var list = document.getElementById("texture_list");
682 |   var option = document.createElement("option");
683 |   option.text = texture.name;
684 |   list.add(option); 
685 |   
686 | }
687 | 
688 | 
689 | 
690 | /********************************************************
691 |  * removeTexture()
692 |  *
693 |  * removes the texture that is selected in the texture
694 |  * list form, both from the form and from the internal
695 |  * texture array.
696 |  ********************************************************/
697 | function removeTexture() {
698 |   // Make sure there are actually textures available to remove
699 |   if (textures.length == 0)
700 |     return;
701 | 
702 |   // Get list from document
703 |   var list = document.getElementById("texture_list");
704 | 
705 |   // Get selected index from list
706 |   var index = list.selectedIndex;
707 | 
708 |   // Make sure something is selected in list
709 |   if (index == -1)
710 |     return;
711 | 
712 |   // Remove from texture array without leaving gap
713 |   textures.splice(index, 1);
714 |   
715 |   // Remove from list in document
716 |   list.remove(index);
717 | 
718 |   // Clear the canvas of current image
719 |   var canvas = document.getElementById("viewport");
720 |   var ctx = canvas.getContext("2d");
721 |   ctx.clearRect(0, 0, canvas.width, canvas.height);
722 |   
723 | }
724 | 
725 | 
726 | 
727 | /********************************************************
728 |  * setDisableInterface()
729 |  *
730 |  * Enables/Disables the form elements depending on the
731 |  * boolean argument.
732 |  ********************************************************/
733 | function setDisableInterface(boolean) {
734 |   document.getElementById("upload").disabled = boolean;
735 |   document.getElementById("add_img").disabled = boolean;
736 |   document.getElementById("download").disabled = boolean;   
737 |   document.getElementById("remove").disabled = boolean; 
738 |   document.getElementById("texture_list").disabled = boolean;
739 |   document.getElementById("rename").disabled = boolean;
740 | }
741 | 
742 | 
743 | 
744 | /********************************************************
745 |  * rename()
746 |  *
747 |  * Renames a texture to whatever is in the rename form
748 |  * element and updates the texture name in both the form
749 |  * list and its internal object in the texture array.
750 |  ********************************************************/
751 | function rename() {
752 |   var newName = document.getElementById("rename").value;
753 |   var status = document.getElementById("status");
754 |   if (newName.length > 12) {
755 |     status.value = "Status: Error - Name must be no longer than 12 characters";
756 |     return;
757 |   }
758 | 
759 |   // Make sure there are actually textures in the list
760 |   if (textures.length == 0)
761 |     return;
762 | 
763 |   // Get list from document
764 |   var list = document.getElementById("texture_list");
765 | 
766 |   // Get selected index from list
767 |   var index = list.selectedIndex;
768 | 
769 |   // Make sure something is selected in list
770 |   if (index == -1)
771 |     return;
772 | 
773 |   textures[index].name = newName;
774 |     
775 |   list.options[index].text = newName;
776 | 
777 |   status.value = "Status: Texture renamed.";
778 |   
779 | }
780 | 
781 | 


--------------------------------------------------------------------------------
/styles.css:
--------------------------------------------------------------------------------
 1 | body {
 2 |   text-align:center;
 3 |   background-color: #4d4d4d;
 4 |   font-family: Consolas,monaco,monospace; 
 5 |   color: white;
 6 | }
 7 | 
 8 | button, input {
 9 |   font-family: Consolas,monaco,monospace; 
10 |   margin: 4px;
11 |   background-color: #333333;
12 |   border: none;
13 |   color: #F5F5F5;
14 |   padding: 15px 32px;
15 |   text-align: center;
16 |   text-decoration: none;
17 |   display: inline-block;
18 |   font-size: 16px;
19 | }
20 | 
21 | input {
22 |   width: 400px;
23 | }
24 | 
25 | button {
26 |   width: 150px;
27 |   border: 1px solid white;
28 | }
29 | 
30 | select {
31 |   background-color: white;
32 |   width: 200px;
33 | }
34 | 
35 | canvas {
36 |   background-color: black;
37 |   margin: 10px;
38 | }
39 | 
40 | table {
41 |   width: 80%;
42 |   margin: auto;
43 | }
44 | 
45 | td {
46 |   width: 30%;
47 | }
48 | 
49 | #status {
50 |   background-color: #333333;
51 |   width: 100%;
52 | }
53 | 
54 | #rename {
55 |   background-color: white; 
56 |   color: #333333;
57 | }
58 | 
59 | .center {
60 |   text-align: center;
61 | }
62 | 
63 | 


--------------------------------------------------------------------------------