Create EPK editor

This commit is contained in:
ayunami2000 2022-10-08 16:04:11 -04:00
parent 14f8ea7868
commit 836af8f4b8
6 changed files with 525 additions and 134 deletions

130
ayunEPKCompiler.js Normal file
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@ -0,0 +1,130 @@
window.compileEPK = function() {
let old = false;
// https://stackoverflow.com/a/18639903/6917520
const crc32 = (function() {
let table = new Uint32Array(256);
for (let i = 256; i--;) {
let tmp = i;
for (let k = 8; k--;) {
tmp = tmp & 1 ? 3988292384 ^ tmp >>> 1 : tmp >>> 1;
}
table[i] = tmp;
}
return function(data) {
let crc = -1;
for (let i = 0, l = data.length; i < l; i++) {
crc = crc >>> 8 ^ table[crc & 255 ^ data[i]];
}
return (crc ^ -1) >>> 0;
};
})();
function concatTypedArrays(a, b) {
const c = new (a.constructor)(a.length + b.length);
c.set(a, 0);
c.set(b, a.length);
return c;
}
const textEncoder = new TextEncoder();
function generateLongArray(num) {
return Uint8Array.of((num >>> 56) & 0xFF, (num >>> 48) & 0xFF, (num >>> 40) & 0xFF, (num >>> 32) & 0xFF, (num >>> 24) & 0xFF, (num >>> 16) & 0xFF, (num >>> 8) & 0xFF, num & 0xFF);
}
function generateIntArray(num) {
return Uint8Array.of((num >>> 24) & 0xFF, (num >>> 16) & 0xFF, (num >>> 8) & 0xFF, num & 0xFF);
}
function generateShortArray(num) {
return Uint8Array.of((num >>> 8) & 0xFF, num & 0xFF);
}
function generateUTF(str) {
return concatTypedArrays(generateShortArray(str.length), textEncoder.encode(str));
}
function generateUTFByte(str) {
return concatTypedArrays(Uint8Array.of(str.length), textEncoder.encode(str));
}
let comment = '# eaglercraft package file - generated with ayunWebEPK by ayunami2000';
let commentNew = '\n\n # Eagler EPK v2.0 (c) $$YEAR$$ Calder Young\n # generated with ayunWebEPK by ayunami2000';
let baseEPK = textEncoder.encode('EAGPKG!!');
baseEPK = concatTypedArrays(baseEPK, generateUTF(comment));
let baseEPKNew = textEncoder.encode('EAGPKG$$');
baseEPKNew = concatTypedArrays(baseEPKNew, generateUTFByte('ver2.0'));
baseEPKNew = concatTypedArrays(baseEPKNew, generateUTFByte('my-cool.epk'));
let currentEPK = null;
function processFile(name, type, file) {
if (old) {
currentEPK = currentEPK == null ? generateUTF('<file>') : concatTypedArrays(currentEPK, generateUTF('<file>'));
currentEPK = concatTypedArrays(currentEPK, generateUTF(name));
currentEPK = concatTypedArrays(currentEPK, new Uint8Array(sha1.arrayBuffer(file.buffer)));
currentEPK = concatTypedArrays(currentEPK, generateIntArray(file.byteLength));
currentEPK = concatTypedArrays(currentEPK, file);
currentEPK = concatTypedArrays(currentEPK, generateUTF('</file>'));
} else {
currentEPK = concatTypedArrays(currentEPK, textEncoder.encode(type));
currentEPK = concatTypedArrays(currentEPK, generateUTFByte(name));
currentEPK = concatTypedArrays(currentEPK, generateIntArray(file.byteLength + 5));
currentEPK = concatTypedArrays(currentEPK, generateIntArray(crc32(file)));
currentEPK = concatTypedArrays(currentEPK, file);
currentEPK = concatTypedArrays(currentEPK, textEncoder.encode(':>'));
}
}
function wrapItUp(size) {
if (old) {
currentEPK = concatTypedArrays(currentEPK, generateUTF(' end'));
currentEPK = concatTypedArrays(baseEPK, new Uint8Array(pako.deflate(currentEPK, { level: 9 })));
} else {
let currBaseEPK = baseEPKNew;
currBaseEPK = concatTypedArrays(currBaseEPK, generateUTF(commentNew.replace('$$YEAR$$', new Date().getFullYear())));
currBaseEPK = concatTypedArrays(currBaseEPK, generateLongArray(Date.now()));
currBaseEPK = concatTypedArrays(currBaseEPK, generateIntArray(size + 1));
currBaseEPK = concatTypedArrays(currBaseEPK, Uint8Array.of(90));
currentEPK = concatTypedArrays(currentEPK, textEncoder.encode('END$'));
currentEPK = concatTypedArrays(currBaseEPK, new Uint8Array(pako.deflate(currentEPK, { level: 9 })));
currentEPK = concatTypedArrays(currentEPK, textEncoder.encode(':::YEE:>'));
}
const blob = new Blob([ currentEPK ], { type: 'application/octet-stream' });
currentEPK = null;
old = false;
return blob;
}
return async function(files, oldMode, fileev) {
let onfile = function() {};
if (fileev != null) {
onfile = fileev;
}
currentEPK = null;
old = oldMode;
// files is same format as output from decompiler
if (!old) {
currentEPK = textEncoder.encode('HEAD');
currentEPK = concatTypedArrays(currentEPK, generateUTFByte('file-type'));
const fileType = 'epk/resources';
currentEPK = concatTypedArrays(currentEPK, generateIntArray(fileType.length));
currentEPK = concatTypedArrays(currentEPK, textEncoder.encode(fileType));
currentEPK = concatTypedArrays(currentEPK, Uint8Array.of(62));
}
for (const file of files) {
processFile(file.name, file.type, new Uint8Array(await file.data.arrayBuffer()));
onfile();
}
return wrapItUp(files.length);
};
};

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@ -1,8 +1,10 @@
window.decompileEPK = function () { window.decompileEPK = function() {
let currentOffset = 0; let currentOffset = 0;
let numFiles = 0; let numFiles = 0;
let onfile = function() {};
function detectOldHeader(epkData) { function detectOldHeader(epkData) {
const oldHeader = "EAGPKG!!"; const oldHeader = "EAGPKG!!";
for (let i = 0; i < oldHeader.length; i++) { for (let i = 0; i < oldHeader.length; i++) {
@ -124,8 +126,11 @@ window.decompileEPK = function () {
while ((file = readFileOld(data)) != null) { while ((file = readFileOld(data)) != null) {
if (file == -1) return null; if (file == -1) return null;
files.push(file); files.push(file);
onfile();
} }
onfile = function() {};
return files; return files;
} }
@ -162,8 +167,11 @@ window.decompileEPK = function () {
while ((file = readFileNew(data)) != null) { while ((file = readFileNew(data)) != null) {
if (file == -1) return null; if (file == -1) return null;
files.push(file); files.push(file);
onfile();
} }
onfile = function() {};
return files; return files;
} }
@ -220,7 +228,11 @@ window.decompileEPK = function () {
}; };
} }
return async function(rawBuffer) { return async function(rawBuffer, fileev) {
if (fileev != null) {
onfile = fileev;
}
let epkData = new Uint8Array(rawBuffer); let epkData = new Uint8Array(rawBuffer);
if (detectOldHeader(epkData)) { if (detectOldHeader(epkData)) {

330
builder.html Normal file
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@ -0,0 +1,330 @@
<!DOCTYPE html>
<html>
<head>
<script async src="https://arc.io/widget.min.js#HEPCFa3K"></script>
<meta charset="utf-8"/>
<meta name="viewport" content="width=device-width, initial-scale=1.0"/>
<title>ayunWebEPK</title>
<script type="text/javascript" src="jszip.min.js"></script>
<script type="text/javascript" src="pako.min.js"></script>
<script type="text/javascript" src="sha1.min.js"></script>
<script type="text/javascript" src="ayunEPKDecompiler.js"></script>
<script type="text/javascript" src="ayunEPKCompiler.js"></script>
<link rel="preconnect" href="https://fonts.googleapis.com"/>
<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin/>
<link href="https://fonts.googleapis.com/css2?family=Nunito&display=swap" rel="stylesheet"/>
<style>
a:not([href]) {
display: none;
}
*, ::file-selector-button {
font-family: 'Nunito', sans-serif;
}
body {
background-color: #111111;
color: #dddddd;
}
input[disabled], button[disabled] {
opacity: 0.8;
}
input[type=checkbox] {
-webkit-appearance: initial;
-moz-appearance: initial;
appearance: initial;
width: 1.5em;
height: 1.5em;
margin: 0;
}
input[type=checkbox]:checked {
background-color: #eeeeee;
}
input[type=checkbox]:before {
content: ':>';
text-align: center;
color: #dddddd;
margin-left: 0.3em;
}
input[type=checkbox]:checked:before {
color: #343434;
}
input[type=checkbox]:after {
content: 'No';
color: #dddddd;
margin-left: 0.6em;
}
input[type=checkbox]:checked:after {
content: 'Yes';
}
@supports (-webkit-touch-callout: none) or (background: -webkit-named-image(i)) {
input[type=checkbox]:after {
content: 'no';
}
input[type=checkbox]:checked:after {
content: 'yes';
}
}
@supports (-moz-appearance: none) {
input[type=checkbox]:after {
content: 'No.';
}
input[type=checkbox]:checked:after {
content: 'Yes.';
}
}
::file-selector-button, progress, input[type=checkbox], button, select, input[type=text] {
background-color: #343434;
color: #eeeeee;
border: 1px solid #eeeeee;
border-radius: 4px;
}
a, input[type=file] {
color: #dddddd;
}
progress {
height: 1em;
}
progress, ::-webkit-file-upload-button {
-webkit-appearance: none;
-moz-appearance: none;
appearance: none;
}
progress[value="0"][max="1"] {
display: none;
}
::-moz-progress-bar {
background-color: #eeeeee;
}
::-webkit-progress-value {
background-color: #eeeeee;
}
::-webkit-progress-bar {
background-color: #343434;
border-radius: 4px;
}
#editor.modei pre, #editor.modei audio, #editor.modea pre, #editor.modea img, #editor.modet img, #editor.modet audio, #editor.model {
display: none;
}
</style>
</head>
<body>
<sub><a href=".">Want to compile one instead?</a></sub>
<br/>
<sub><a href="decompile.html">Want to decompile one instead?</a></sub>
<h1>ayunWebEPK</h1>
<p>Customize EPK files in your browser!</p>
Select base .EPK: <input type="file" onchange="selectFile(this);" accept=".epk"/>
<br/>
Compile to legacy format: <input type="checkbox"/>
<br/>
<button onclick="compileIt(document.querySelector('input[type=file]'));" disabled>Compile it!</button>
<br/>
<br/>
<progress value="0" max="1"></progress>
<a download="my-cool.epk">Download your EPK!</a>
<div id="editor" class="model">
<input type="text" placeholder="Search or enter file name..."/>
<select></select>
<button onclick="createFile(this.previousElementSibling.previousElementSibling.value);" disabled>Create file...</button>
<button onclick="deleteCurrentFile();">Delete file...</button>
<br/>
<h3></h3>
Change this file: <input type="file" onchange="changeFile(this);"/>
<br/>
<img/>
<audio controls></audio>
<pre></pre>
</div>
<script>
const downloadLink = document.querySelectorAll('a')[2];
const progressBar = document.querySelector('progress');
const oldBox = document.querySelector('input[type=checkbox]');
const compileBtn = document.querySelector('button');
const editor = document.getElementById('editor');
const dropdown = document.querySelector('select');
const editorName = editor.querySelector('h3');
const editorImage = editor.querySelector('img');
const editorAudio = editor.querySelector('audio');
const editorText = editor.querySelector('pre');
const editorSearch = editor.querySelector('input[type=text]');
editorSearch.value = '';
// https://stackoverflow.com/a/68703218/6917520
function prefix(words) {
// check border cases size 1 array and empty first word)
if (!words[0] || words.length == 1) return words[0] || "";
let i = 0;
// while all words have the same character at position i, increment i
while(words[0][i] && words.every(w => w[i] === words[0][i]))
i++;
// prefix is the substring from the beginning to the last successfully checked i
return words[0].substr(0, i);
}
let epkFiles = [];
let selectedFile = 0;
function selectFile(fileElem) {
epkFiles.length = 0;
downloadLink.removeAttribute('href');
fileElem.disabled = true;
if (fileElem.files.length > 0) {
const epkFile = fileElem.files[0];
const reader = new FileReader();
reader.onload = function(e) {
progressBar.value = 0;
progressBar.max = 1;
window.decompileEPK()(e.target.result, function() {
progressBar.max++;
progressBar.value++;
}).then(function(fileList) {
if (fileList == null) {
alert('Invalid EPK!');
fileElem.value = '';
progressBar.value = 0;
progressBar.max = 1;
fileElem.removeAttribute('disabled');
return;
}
fileElem.value = '';
progressBar.value = 0;
progressBar.max = 1;
fileElem.removeAttribute('disabled');
epkFiles = fileList;
editor.className = '';
refreshDropdown();
compileBtn.removeAttribute('disabled');
});
};
reader.readAsArrayBuffer(epkFile);
} else {
fileElem.removeAttribute('disabled');
}
}
function compileIt(fileElem) {
compileBtn.disabled = true;
fileElem.disabled = true;
oldBox.disabled = true;
progressBar.value = 0;
progressBar.max = epkFiles.length;
window.compileEPK()(epkFiles, oldBox.checked, function() {
progressBar.value++;
}).then(blob => {
if (blob == null) {
alert('Invalid EPK!');
progressBar.value = 0;
progressBar.max = 1;
oldBox.removeAttribute('disabled');
fileElem.removeAttribute('disabled');
return;
}
downloadLink.href = window.URL.createObjectURL(blob);
progressBar.value = 0;
progressBar.max = 1;
oldBox.removeAttribute('disabled');
fileElem.removeAttribute('disabled');
compileBtn.removeAttribute('disabled');
});
}
function filterDropdown(str) {
str = str.trim().toLowerCase();
const queries = str.split(' ');
const opts = [...dropdown.querySelectorAll('option')];
let oldValue = dropdown.value;
let selectedOne = false;
for (const opt of opts) {
opt.selected = false;
opt.hidden = true;
const lowerOptText = opt.text.toLowerCase();
if (lowerOptText == str) {
if (selectedOne) {
selectedOne.selected = false;
}
selectedOne = opt;
opt.selected = true;
opt.hidden = false;
continue;
}
for (const query of queries) {
if (lowerOptText.includes(query)) {
if (!selectedOne) {
selectedOne = opt;
opt.selected = true;
}
opt.hidden = false;
}
}
}
if (dropdown.value != oldValue) {
dropdown.onchange();
}
}
dropdown.onchange = function() {
selectedFile = dropdown.value;
const fileItem = epkFiles[selectedFile];
editorName.innerText = fileItem.name;
const lowerName = fileItem.name.toLowerCase();
if (lowerName.endsWith('.mp3')) {
editor.className = 'modea';
editorAudio.src = window.URL.createObjectURL(fileItem.data);
} else if (lowerName.endsWith('.png')) {
editor.className = 'modei';
editorImage.src = window.URL.createObjectURL(fileItem.data);
} else {
editor.className = 'modet';
fileItem.data.text().then(t => {
editorText.innerText = t;
});
}
};
function refreshDropdown() {
dropdown.innerHTML = '';
for (const fileInd in epkFiles) {
if (epkFiles[fileInd].type != 'FILE') {
continue;
}
dropdown.add(new Option(epkFiles[fileInd].name, fileInd, false, fileInd == 0));
}
dropdown.onchange();
editorSearch.oninput();
}
function deleteCurrentFile() {
epkFiles.splice(selectedFile, 1);
refreshDropdown();
}
function createFile(name) {
epkFiles.push({
type: 'FILE',
name: name,
data: new Blob([])
});
refreshDropdown();
}
function changeFile(fileElem) {
if (fileElem.files.length > 0) {
epkFiles[selectedFile].data = fileElem.files[0];
fileElem.value = '';
dropdown.onchange();
}
}
editorSearch.oninput = function() {
filterDropdown(editorSearch.value);
if (this.value != '' && epkFiles[this.nextElementSibling.value].name.toLowerCase() != this.value.toLowerCase()) {
editorSearch.nextElementSibling.nextElementSibling.removeAttribute('disabled');
} else {
editorSearch.nextElementSibling.nextElementSibling.disabled = true;
}
};
</script>
</body>
</html>

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@ -59,6 +59,8 @@
</head> </head>
<body> <body>
<sub><a href=".">Want to compile one instead?</a></sub> <sub><a href=".">Want to compile one instead?</a></sub>
<br/>
<sub><a href="builder.html">Want to create one instead?</a></sub>
<h1>ayunWebEPK</h1> <h1>ayunWebEPK</h1>
<p>Decompile EPK files in your browser!</p> <p>Decompile EPK files in your browser!</p>
Select .EPK file: <input type="file" onchange="selectFile(this);" accept=".epk"/> Select .EPK file: <input type="file" onchange="selectFile(this);" accept=".epk"/>
@ -66,7 +68,7 @@
<progress value="0" max="1"></progress> <progress value="0" max="1"></progress>
<a download="my-cool.zip">Download as a ZIP!</a> <a download="my-cool.zip">Download as a ZIP!</a>
<script> <script>
const downloadLink = document.querySelectorAll('a')[1]; const downloadLink = document.querySelectorAll('a')[2];
const progressBar = document.querySelector('progress'); const progressBar = document.querySelector('progress');
function selectFile(fileElem) { function selectFile(fileElem) {
@ -76,14 +78,23 @@
const epkFile = fileElem.files[0]; const epkFile = fileElem.files[0];
const reader = new FileReader(); const reader = new FileReader();
reader.onload = function(e) { reader.onload = function(e) {
window.decompileEPK()(e.target.result).then(function(fileList) { progressBar.value = 0;
progressBar.max = 1;
window.decompileEPK()(e.target.result, function() {
progressBar.max++;
progressBar.value++;
}).then(function(fileList) {
if (fileList == null) { if (fileList == null) {
alert("Invalid EPK!"); alert('Invalid EPK!');
fileElem.value = '';
progressBar.value = 0;
progressBar.max = 1;
fileElem.removeAttribute('disabled'); fileElem.removeAttribute('disabled');
return; return;
} }
const zip = new JSZip(); const zip = new JSZip();
progressBar.max = fileList.length; progressBar.max = fileList.length;
progressBar.value = 0;
for (const file of fileList) { for (const file of fileList) {
progressBar.value++; progressBar.value++;
if (file.type != 'FILE') continue; if (file.type != 'FILE') continue;
@ -95,7 +106,7 @@
fileElem.value = ''; fileElem.value = '';
progressBar.value = 0; progressBar.value = 0;
progressBar.max = 1; progressBar.max = 1;
fileElem.removeAttribute('disabled') fileElem.removeAttribute('disabled');
}); });
}); });
}; };

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@ -8,6 +8,7 @@
<script type="text/javascript" src="jszip.min.js"></script> <script type="text/javascript" src="jszip.min.js"></script>
<script type="text/javascript" src="pako_deflate.min.js"></script> <script type="text/javascript" src="pako_deflate.min.js"></script>
<script type="text/javascript" src="sha1.min.js"></script> <script type="text/javascript" src="sha1.min.js"></script>
<script type="text/javascript" src="ayunEPKCompiler.js"></script>
<link rel="preconnect" href="https://fonts.googleapis.com"/> <link rel="preconnect" href="https://fonts.googleapis.com"/>
<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin/> <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin/>
<link href="https://fonts.googleapis.com/css2?family=Nunito&display=swap" rel="stylesheet"/> <link href="https://fonts.googleapis.com/css2?family=Nunito&display=swap" rel="stylesheet"/>
@ -103,6 +104,8 @@
</head> </head>
<body> <body>
<sub><a href="decompile.html">Want to decompile one instead?</a></sub> <sub><a href="decompile.html">Want to decompile one instead?</a></sub>
<br/>
<sub><a href="builder.html">Want to create one instead?</a></sub>
<h1>ayunWebEPK</h1> <h1>ayunWebEPK</h1>
<p>Compile EPK files in your browser!</p> <p>Compile EPK files in your browser!</p>
Use legacy format: <input type="checkbox"/> Use legacy format: <input type="checkbox"/>
@ -116,45 +119,11 @@
<progress value="0" max="1"></progress> <progress value="0" max="1"></progress>
<a download="my-cool.epk">Download your EPK!</a> <a download="my-cool.epk">Download your EPK!</a>
<script> <script>
const downloadLink = document.querySelectorAll('a')[2];
// https://stackoverflow.com/a/18639903/6917520
const crc32 = (function() {
let table = new Uint32Array(256);
for (let i = 256; i--;) {
let tmp = i;
for (let k = 8; k--;) {
tmp = tmp & 1 ? 3988292384 ^ tmp >>> 1 : tmp >>> 1;
}
table[i] = tmp;
}
return function(data) {
let crc = -1;
for (let i = 0, l = data.length; i < l; i++) {
crc = crc >>> 8 ^ table[crc & 255 ^ data[i]];
}
return (crc ^ -1) >>> 0;
};
})();
const downloadLink = document.querySelectorAll('a')[1];
const progressBar = document.querySelector('progress'); const progressBar = document.querySelector('progress');
const fileElems = document.querySelectorAll('input[type=file]'); const fileElems = document.querySelectorAll('input[type=file]');
const oldBox = document.querySelector('input[type=checkbox]'); const oldBox = document.querySelector('input[type=checkbox]');
function concatTypedArrays(a, b) {
const c = new (a.constructor)(a.length + b.length);
c.set(a, 0);
c.set(b, a.length);
return c;
}
// https://stackoverflow.com/a/68703218/6917520 // https://stackoverflow.com/a/68703218/6917520
function prefix(words) { function prefix(words) {
@ -169,50 +138,11 @@
return words[0].substr(0, i); return words[0].substr(0, i);
} }
const textEncoder = new TextEncoder();
function generateLongArray(num) {
return Uint8Array.of((num >>> 56) & 0xFF, (num >>> 48) & 0xFF, (num >>> 40) & 0xFF, (num >>> 32) & 0xFF, (num >>> 24) & 0xFF, (num >>> 16) & 0xFF, (num >>> 8) & 0xFF, num & 0xFF);
}
function generateIntArray(num) {
return Uint8Array.of((num >>> 24) & 0xFF, (num >>> 16) & 0xFF, (num >>> 8) & 0xFF, num & 0xFF);
}
function generateShortArray(num) {
return Uint8Array.of((num >>> 8) & 0xFF, num & 0xFF);
}
function generateUTF(str) {
return concatTypedArrays(generateShortArray(str.length), textEncoder.encode(str));
}
function generateUTFByte(str) {
return concatTypedArrays(Uint8Array.of(str.length), textEncoder.encode(str));
}
let comment = '# eaglercraft package file - generated with ayunWebEPK by ayunami2000';
let commentNew = '\n\n # Eagler EPK v2.0 (c) $$YEAR$$ Calder Young\n # generated with ayunWebEPK by ayunami2000';
let baseEPK = textEncoder.encode('EAGPKG!!');
baseEPK = concatTypedArrays(baseEPK, generateUTF(comment));
let baseEPKNew = textEncoder.encode('EAGPKG$$');
baseEPKNew = concatTypedArrays(baseEPKNew, generateUTFByte('ver2.0'));
baseEPKNew = concatTypedArrays(baseEPKNew, generateUTFByte('my-cool.epk'));
let currentEPK = null;
function selectFile(fileElem) { function selectFile(fileElem) {
downloadLink.removeAttribute('href'); downloadLink.removeAttribute('href');
fileElems.forEach(elem => elem.disabled = true); fileElems.forEach(elem => elem.disabled = true);
oldBox.disabled = true; oldBox.disabled = true;
if (!oldBox.checked) { const fileArr = [];
currentEPK = textEncoder.encode('HEAD');
currentEPK = concatTypedArrays(currentEPK, generateUTFByte('file-type'));
const fileType = 'epk/resources';
currentEPK = concatTypedArrays(currentEPK, generateIntArray(fileType.length));
currentEPK = concatTypedArrays(currentEPK, textEncoder.encode(fileType));
currentEPK = concatTypedArrays(currentEPK, Uint8Array.of(62));
}
if (fileElem.files.length == 1) { if (fileElem.files.length == 1) {
const zipFile = fileElem.files[0]; const zipFile = fileElem.files[0];
const reader = new FileReader(); const reader = new FileReader();
@ -226,15 +156,19 @@
if (fileName.endsWith('/')) { if (fileName.endsWith('/')) {
progressBar.value = i++; progressBar.value = i++;
if (i == progressBar.max) { if (i == progressBar.max) {
wrapItUp(fileElem); finishIt(fileElem, fileArr, oldBox.checked);
} }
continue; continue;
} }
zip.files[fileName].async('uint8array').then(function(data) { zip.files[fileName].async('blob').then(function(data) {
processFile(stripFolder.length == 0 ? fileName : fileName.slice(fileName.indexOf(stripFolder) + stripFolder.length), data); fileArr.push({
type: 'FILE',
name: stripFolder.length == 0 ? fileName : fileName.slice(fileName.indexOf(stripFolder) + stripFolder.length),
data: data
});
progressBar.value = i++; progressBar.value = i++;
if (i == progressBar.max) { if (i == progressBar.max) {
wrapItUp(fileElem); finishIt(fileElem, fileArr, oldBox.checked);
} }
}); });
} }
@ -247,63 +181,35 @@
let i = 0; let i = 0;
for (let file of fileElem.files) { for (let file of fileElem.files) {
const fileName = file.webkitRelativePath; const fileName = file.webkitRelativePath;
const reader = new FileReader(); fileArr.push({
reader.onload = function(e) { type: 'FILE',
processFile(stripFolder.length == 0 ? fileName : fileName.slice(fileName.indexOf(stripFolder) + stripFolder.length), new Uint8Array(e.target.result)); name: stripFolder.length == 0 ? fileName : fileName.slice(fileName.indexOf(stripFolder) + stripFolder.length),
progressBar.value = i++; data: file
if (i == progressBar.max) { });
wrapItUp(fileElem); progressBar.value = i++;
} if (i == progressBar.max) {
}; finishIt(fileElem, fileArr, oldBox.checked);
reader.readAsArrayBuffer(file); }
} }
} else { } else {
currentEPK = null;
fileElems.forEach(elem => elem.removeAttribute('disabled')); fileElems.forEach(elem => elem.removeAttribute('disabled'));
oldBox.removeAttribute('disabled'); oldBox.removeAttribute('disabled');
} }
} }
function processFile(name, file) { function finishIt(fileElem, fileArr, old) {
if (oldBox.checked) {
currentEPK = currentEPK == null ? generateUTF('<file>') : concatTypedArrays(currentEPK, generateUTF('<file>'));
currentEPK = concatTypedArrays(currentEPK, generateUTF(name));
currentEPK = concatTypedArrays(currentEPK, new Uint8Array(sha1.arrayBuffer(file.buffer)));
currentEPK = concatTypedArrays(currentEPK, generateIntArray(file.byteLength));
currentEPK = concatTypedArrays(currentEPK, file);
currentEPK = concatTypedArrays(currentEPK, generateUTF('</file>'));
} else {
currentEPK = concatTypedArrays(currentEPK, textEncoder.encode('FILE'));
currentEPK = concatTypedArrays(currentEPK, generateUTFByte(name));
currentEPK = concatTypedArrays(currentEPK, generateIntArray(file.byteLength + 5));
currentEPK = concatTypedArrays(currentEPK, generateIntArray(crc32(file)));
currentEPK = concatTypedArrays(currentEPK, file);
currentEPK = concatTypedArrays(currentEPK, textEncoder.encode(':>'));
}
}
function wrapItUp(fileElem) {
if (oldBox.checked) {
currentEPK = concatTypedArrays(currentEPK, generateUTF(' end'));
currentEPK = concatTypedArrays(baseEPK, new Uint8Array(pako.deflate(currentEPK, { level: 9 })));
} else {
let currBaseEPK = baseEPKNew;
currBaseEPK = concatTypedArrays(currBaseEPK, generateUTF(commentNew.replace('$$YEAR$$', new Date().getFullYear())));
currBaseEPK = concatTypedArrays(currBaseEPK, generateLongArray(Date.now()));
currBaseEPK = concatTypedArrays(currBaseEPK, generateIntArray(progressBar.max + 1));
currBaseEPK = concatTypedArrays(currBaseEPK, Uint8Array.of(90));
currentEPK = concatTypedArrays(currentEPK, textEncoder.encode('END$'));
currentEPK = concatTypedArrays(currBaseEPK, new Uint8Array(pako.deflate(currentEPK, { level: 9 })));
currentEPK = concatTypedArrays(currentEPK, textEncoder.encode(':::YEE:>'));
}
const blob = new Blob([ currentEPK ], { type: 'application/octet-stream' });
downloadLink.href = window.URL.createObjectURL(blob);
currentEPK = null;
fileElem.value = '';
progressBar.value = 0; progressBar.value = 0;
progressBar.max = 1; window.compileEPK()(fileArr, old, function() {
fileElems.forEach(elem => elem.removeAttribute('disabled')); progressBar.value++;
oldBox.removeAttribute('disabled'); }).then(blob => {
downloadLink.href = window.URL.createObjectURL(blob);
currentEPK = null;
fileElem.value = '';
progressBar.value = 0;
progressBar.max = 1;
fileElems.forEach(elem => elem.removeAttribute('disabled'));
oldBox.removeAttribute('disabled');
});
} }
</script> </script>
</body> </body>

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