Sketchfab script
for ripping models, use in Tampermonkey addon
Now I only successfully used the script 1. Throw it in Tampermonkey and go to your model's page. On the model there should be a "Download" text over the 3d model viewer. Click it and you should get a browser message, press ok and the model will download.
I AM NOT THE AUTHOR OF THE FOLLOWING SCRIPTS USE AT OWN RISK
script 1: ripping models
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 | // ==UserScript==
// @name sketchfab
// @version 0.9
// @description download sketchfab models
// @author shitposting goddess
// @include /^https?://(www\.)?sketchfab\.com/.*
// @require https://cdnjs.cloudflare.com/ajax/libs/jszip/3.1.5/jszip.min.js
// @require https://cdnjs.cloudflare.com/ajax/libs/jszip-utils/0.0.2/jszip-utils.min.js
// @require https://cdnjs.cloudflare.com/ajax/libs/FileSaver.js/1.3.8/FileSaver.js
// @run-at document-start
// @grant unsafeWindow
// @grant GM_download
// ==/UserScript==
var zip = new JSZip();
let folder = zip.folder('collection');
var button_dw = false;
var func_drawGeometry = /(this\._stateCache\.drawGeometry\(this\._graphicContext,t\))/g;
var fund_drawArrays = /t\.drawArrays\(t\.TRIANGLES,0,6\)/g;
var func_renderInto1 = /x\.renderInto\(n,S,y/g;
var func_renderInto2 = /g\.renderInto=function\(e,i,r/g;
var func_getResourceImage = /getResourceImage:function\(e,t\){/g;
var func_test = /apply:function\(e\){var t=e instanceof r\.Geometry;/g
var addbtnfunc;
(function() {
'use strict';
var window = unsafeWindow;
console.log("[UserScript]init", window);
window.allmodel = [];
var saveimagecache2 = {};
var objects = {};
var saveimage_to_list = function(url,file_name)
{
if (!saveimagecache2[url])
{
var mdl = {
name: file_name
}
saveimagecache2[url] = mdl;
}
}
addbtnfunc = function() {
var p = document.evaluate("//div[@class='titlebar']", document, null, 9, null).singleNodeValue;
if(p && !button_dw) {
console.log("[UserScript]add btn dwnld");
var btn = document.createElement("a");
btn.setAttribute("class", "control");
btn.innerHTML = "<pre style='color:red;'>DOWNLOAD</pre>";
btn.addEventListener("click", dodownload , false);
p.appendChild(btn);
button_dw = true;
} else {
console.log("[UserScript]try add btn later");
setTimeout(addbtnfunc, 3000);
}
}
var dodownload = function() {
console.log("[UserScript]download");
var idx = 0;
window.allmodel.forEach(function(obj)
{
var mdl = {
name: "model_"+idx,
obj:parseobj(obj)
}
console.log(mdl);
dosavefile(mdl);
idx++;
})
PackAll();
}
var PackAll = function ()
{
for (var obj in objects) {
console.log("[UserScript]save file", obj);
folder.file(obj, objects[obj], {binary:true});
}
var file_name = document.getElementsByClassName('model-name__label')[0].textContent;
folder.generateAsync({ type: "blob" }).then(content => saveAs(content, file_name + ".zip"));
}
var parseobj = function(obj)
{
console.log("[UserScript]: obj", obj);
var list = [];
obj._primitives.forEach(function(p) {
if(p && p.indices) {
list.push({
'mode' : p.mode,
'indices' : p.indices._elements
});
}
})
var attr = obj._attributes;
return {
vertex: attr.Vertex._elements,
normal: attr.Normal ? attr.Normal._elements : [],
uv: attr.TexCoord0 ? attr.TexCoord0._elements :
attr.TexCoord1 ? attr.TexCoord1._elements :
attr.TexCoord2 ? attr.TexCoord2._elements :
attr.TexCoord2 ? attr.TexCoord2._elements :
attr.TexCoord3 ? attr.TexCoord3._elements :
attr.TexCoord4 ? attr.TexCoord4._elements :
attr.TexCoord5 ? attr.TexCoord5._elements :
attr.TexCoord6 ? attr.TexCoord6._elements :
attr.TexCoord7 ? attr.TexCoord7._elements :
attr.TexCoord8 ? attr.TexCoord8._elements : [],
primitives: list,
};
}
var dosavefile = function(mdl)
{
var obj = mdl.obj;
//console.log("TEST");
//console.log(obj);
var str = '';
str += 'mtllib ' + mdl.name + '.mtl\n';
str += 'o ' + mdl.name + '\n';
for (var i = 0; i < obj.vertex.length; i += 3) {
str += 'v ';
for (var j = 0; j < 3; ++j) {
str += obj.vertex[i + j] + ' ';
}
str += '\n';
}
for (i = 0; i < obj.normal.length; i += 3) {
str += 'vn ';
for (j = 0; j < 3; ++j) {
str += obj.normal[i + j] + ' ';
}
str += '\n';
}
for (i = 0; i < obj.uv.length; i += 2) {
str += 'vt ';
for (j = 0; j < 2; ++j) {
str += obj.uv[i + j] + ' ';
}
str += '\n';
}
//str += 'usemtl ' + mdl.name + '\n';
str += 's on \n';
var vn = obj.normal.length != 0;
var vt = obj.uv.length != 0;
for (i = 0; i < obj.primitives.length; ++i) {
var primitive = obj.primitives[i];
if (primitive.mode == 4 || primitive.mode == 5) {
var strip = (primitive.mode == 5);
for (j = 0; j + 2 < primitive.indices.length; !strip ? j += 3 : j++) {
str += 'f ';
var order = [ 0, 1, 2];
if (strip && (j % 2 == 1)) {
order = [ 0, 2, 1];
}
for (var k = 0; k < 3; ++k)
{
var faceNum = primitive.indices[j + order[k]] + 1;
str += faceNum;
if (vn || vt) {
str += '/';
if (vt) {
str += faceNum;
}
if (vn) {
str += '/' + faceNum;
}
}
str += ' ';
}
str += '\n';
}
}
else {
console.log("[UserScript]dosavefile: unknown primitive mode", primitive);
}
}
str += '\n';
var objblob = new Blob([str], {type:'text/plain'});
objects[mdl.name+".obj"] = objblob;
}
window.attachbody = function(obj)
{
if(obj._faked != true && ((obj.stateset && obj.stateset._name) || obj._name || (obj._parents && obj._parents[0]._name)) ) {
obj._faked = true;
if(obj._name == "composer layer" || obj._name == "Ground - Geometry") return;
window.allmodel.push(obj)
console.log(obj);
}
//console.log(obj);
}
window.hook_test = function(e, idx)
{
console.log("hooked index: "+idx);
console.log(e);
}
window.drawhookcanvas = function(e, imagemodel)
{
if((e.width == 128 && e.height == 128) || (e.width == 32 && e.height == 32) || (e.width == 64 && e.height == 64))
{
return e;
}
if(imagemodel)
{
var alpha = e.options.format;
var filename_image = imagemodel.attributes.name;
var uid = imagemodel.attributes.uid;
var url_image = e.url;
var max_size = 0;
var obr = e;
imagemodel.attributes.images.forEach(function(img)
{
var alpha_is_check = alpha == "A" ? img.options.format == alpha : true;
var d = img.width;
while ( d % 2 == 0 )
{
d = d / 2;
}
if(img.size > max_size && alpha_is_check && d == 1)
{
max_size = img.size;
url_image = img.url;
uid = img.uid;
obr = img;
}
});
if(!saveimagecache2[url_image])
{
console.log(e);
saveimage_to_list(url_image, filename_image);
}
else
{
//console.log(e);
}
return obr;
}
return e;
}
window.drawhookimg = function(gl,t)
{
var url = t[5].currentSrc;
var width = t[5].width;
var height = t[5].height;
if(!saveimagecache2[url])
{
//console.log("rejected:"+url);
return;
}
else
{
//console.log("saved texture:"+url);
}
var data = new Uint8Array(width * height * 4);
gl.readPixels(0, 0, width, height, gl.RGBA, gl.UNSIGNED_BYTE, data);
var halfHeight = height / 2 | 0; // the | 0 keeps the result an int
var bytesPerRow = width * 4;
// make a temp buffer to hold one row
var temp = new Uint8Array(width * 4);
for (var y = 0; y < halfHeight; ++y)
{
var topOffset = y * bytesPerRow;
var bottomOffset = (height - y - 1) * bytesPerRow;
// make copy of a row on the top half
temp.set(data.subarray(topOffset, topOffset + bytesPerRow));
// copy a row from the bottom half to the top
data.copyWithin(topOffset, bottomOffset, bottomOffset + bytesPerRow);
// copy the copy of the top half row to the bottom half
data.set(temp, bottomOffset);
}
// Create a 2D canvas to store the result
var canvas = document.createElement('canvas');
canvas.width = width;
canvas.height = height;
var context = canvas.getContext('2d');
// Copy the pixels to a 2D canvas
var imageData = context.createImageData(width, height);
imageData.data.set(data);
context.putImageData(imageData, 0, 0);
var re = /(?:\.([^.]+))?$/;
var ext = re.exec(saveimagecache2[url].name)[1];
var name = saveimagecache2[url].name+".png";
if(ext == "png" || ext == "jpg" || ext == "jpeg")
{
var ret = saveimagecache2[url].name.replace('.'+ext,'');
name = ret+".png";
}
console.log("saved texture to blob "+name);
canvas.toBlob(function(blob){objects[name] = blob;},"image/png");
}
})();
(() => {
"use strict";
const Event = class {
constructor(script, target) {
this.script = script;
this.target = target;
this._cancel = false;
this._replace = null;
this._stop = false;
}
preventDefault() {
this._cancel = true;
}
stopPropagation() {
this._stop = true;
}
replacePayload(payload) {
this._replace = payload;
}
};
let callbacks = [];
window.addBeforeScriptExecuteListener = (f) => {
if (typeof f !== "function") {
throw new Error("Event handler must be a function.");
}
callbacks.push(f);
};
window.removeBeforeScriptExecuteListener = (f) => {
let i = callbacks.length;
while (i--) {
if (callbacks[i] === f) {
callbacks.splice(i, 1);
}
}
};
const dispatch = (script, target) => {
if (script.tagName !== "SCRIPT") {
return;
}
const e = new Event(script, target);
if (typeof window.onbeforescriptexecute === "function") {
try {
window.onbeforescriptexecute(e);
} catch (err) {
console.error(err);
}
}
for (const func of callbacks) {
if (e._stop) {
break;
}
try {
func(e);
} catch (err) {
console.error(err);
}
}
if (e._cancel) {
script.textContent = "";
script.remove();
} else if (typeof e._replace === "string") {
script.textContent = e._replace;
}
};
const observer = new MutationObserver((mutations) => {
for (const m of mutations) {
for (const n of m.addedNodes) {
dispatch(n, m.target);
}
}
});
observer.observe(document, {
childList: true,
subtree: true,
});
})();
(() => {
"use strict";
window.onbeforescriptexecute = (e) => {
var links_as_arr = Array.from(e.target.childNodes);
links_as_arr.forEach(function(srimgc)
{
if(srimgc instanceof HTMLScriptElement)
{
if (srimgc.src.indexOf("web/dist/") >= 0 || srimgc.src.indexOf("standaloneViewer") >= 0)
{
e.preventDefault();
e.stopPropagation();
var req = new XMLHttpRequest();
req.open('GET', srimgc.src, false);
req.send('');
var jstext = req.responseText;
var ret = func_renderInto1.exec(jstext);
if (ret)
{
var index = ret.index + ret[0].length;
var head = jstext.slice(0, index);
var tail = jstext.slice(index);
jstext = head + ",i" + tail;
console.log("[UserScript] Injection: patch_0 injected successful" + srimgc.src);
}
ret = func_renderInto2.exec(jstext);
if (ret)
{
var index = ret.index + ret[0].length;
var head = jstext.slice(0, index);
var tail = jstext.slice(index);
jstext = head + ",image_data" + tail;
console.log("[UserScript] Injection: patch_1 injected successful" + srimgc.src);
}
ret = fund_drawArrays.exec(jstext);
if (ret)
{
var index = ret.index + ret[0].length;
var head = jstext.slice(0, index);
var tail = jstext.slice(index);
jstext = head + ",window.drawhookimg(t,image_data)" + tail;
console.log("[UserScript] Injection: patch_2 injected successful" + srimgc.src);
}
ret = func_getResourceImage.exec(jstext);
if (ret)
{
var index = ret.index + ret[0].length;
var head = jstext.slice(0, index);
var tail = jstext.slice(index);
jstext = head + "e = window.drawhookcanvas(e,this._imageModel);" + tail;
console.log("[UserScript] Injection: patch_3 injected successful " + srimgc.src);
}
ret = func_drawGeometry.exec(jstext);
if (ret)
{
var index1 = ret.index + ret[1].length;
var head1 = jstext.slice(0, index1);
var tail1 = jstext.slice(index1);
jstext = head1 + ";window.attachbody(t);" + tail1;
console.log("[UserScript] Injection: patch_4 injected successful" + srimgc.src);
setTimeout(addbtnfunc, 3000);
}
//ret = func_test.exec(jstext)
var idx = 0;
// while (ret = func_test.exec(jstext))
// {
// var index = ret.index + ret[0].length;
// var head = jstext.slice(0, index);
// var tail = jstext.slice(index);
// jstext = head +"window.attachbody(e);"+ tail;
// //jstext = head + "window.drawhook(e);" + tail;
// func_test.lastIndex = index + 1000;
// console.log("[UserScript] Injection: patch_4 injected successful" + srimgc.src);
// setTimeout(addbtnfunc, 3000);
// }
var obj = document.createElement('script');
obj.type = "text/javascript";
obj.text = jstext;
document.getElementsByTagName('head')[0].appendChild(obj);
}
}
});
};
})();
|
script 2: ripping textures
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 | // ==UserScript==
// @name SketchfabTextureDump
// @namespace Violentmonkey Scripts
// @match *://*.sketchfab.com/3d-models/**
// @match *://*.sketchfab.com/models/**
// @grant none
// @version 0.0.10
// @author krapnik
// @description 2022/9/29 12:02:46
// @license MIT
// @run-at document-start
// ==/UserScript==
(function () {
const MIN_TEXTURE_WIDTH = 256,
MIN_TEXTURE_HEIGHT = 256;
let _log = console.log;
let _warn = console.warn;
let model_name = location.pathname.split("/")[2];
let model_name_arr = model_name.split("-");
let model_id = model_name_arr[model_name_arr.length - 1];
let downloadCnt = 0;
let originTextureArr = [];
if(location.href.indexOf('sketchfab.com/3d-models/')>-1){
return;
}
if(window.self !== window.top){
setTimeout(()=>{
addViewBtn();
},3000)
return;
}
_log("=======SketchfabTextureDump=======");
if (!model_id) {
_warn("can't find model_id!");
return;
} else {
_log("model_id:", model_id);
}
window.onload = () => {
try{
let results = window.prefetchedData[`/i/models/${model_id}/textures?optimized=1`].results;
coverTexture(results); // quality high
Object.defineProperty(window.prefetchedData[`/i/models/${model_id}/textures?optimized=1`],"results", {
get:()=>{
return results;
}
})
originTextureArr = window.prefetchedData[`/i/models/${model_id}/textures?optimized=1`].results || [];
}catch(e){
_warn('oops~something went wrong,u can refresh the page & try again');
}
}
function coverTexture(results){
results.forEach((texture)=>{
let images = texture.images;
let img = images[images.length-2];
texture.url = img.url;
images.forEach((item,idx)=>{
images[idx] = img;
})
})
}
function getFileNameByLink(url){
let image = window.prefetchedData[`/i/models/${model_id}/textures?optimized=1`].results.find((texture)=>{
return texture.url == url
});
return image?image.name:`${Date.now()}.png`;
}
function addDownloadBtn() {
let btn = document.createElement("button");
btn.innerHTML = "download";
btn.style.position = "absolute"
btn.style.top = "0"
btn.style.left = "0"
document.body.appendChild(btn);
btn.onclick = dumpWebGLTextureData;
}
function addViewBtn() {
let btn = document.createElement("button");
btn.innerHTML = "goto download";
btn.style.position = "absolute"
btn.style.top = "0"
btn.style.left = "0"
document.body.appendChild(btn);
btn.onclick = ()=>{
let link = document.createElement("a");
link.setAttribute("href",`https://sketchfab.com/models/${model_id}/embed?autostart=1&internal=1&tracking=0&ui_ar=0&ui_infos=0&ui_snapshots=1&ui_stop=0&ui_theatre=1&ui_watermark=0`);
link.setAttribute("target","_blank");
document.body.appendChild(link);
link.click();
document.body.removeChild(link);
};
}
let webGLTextureIdx = 0;
let webGLTextureMap = {};
let targetRenderingCtx = WebGLRenderingContext; // todo auto choose context
//createTexture
let glCreateTexture = targetRenderingCtx.prototype.createTexture;
targetRenderingCtx.prototype.createTexture = function (...args) {
let texture = glCreateTexture.apply(this, args);
texture.name = webGLTextureIdx;
texture.gl = this;
webGLTextureMap[`${webGLTextureIdx}`] = texture;
webGLTextureIdx++;
return texture;
};
//bindTexture
let glBindTexture = targetRenderingCtx.prototype.bindTexture;
targetRenderingCtx.prototype.bindTexture = function (...args) {
let target = args[0], texture = args[1];
if (texture) {
texture.target = target;
}
glBindTexture.apply(this, args);
};
let glDeleteTexture = targetRenderingCtx.prototype.deleteTexture;
targetRenderingCtx.prototype.deleteTexture = function (...args) {
// do notthing
};
//texImage
let lstTexture;
let glTexImage2D = targetRenderingCtx.prototype.texImage2D;
let hasCoverTex = 0;
let isAllTextureCover = false;
targetRenderingCtx.prototype.texImage2D = function (...args) {
let texture = this.getParameter(this.TEXTURE_BINDING_2D) || this.getParameter(this.TEXTURE_BINDING_CUBE_MAP);
let argments = parseTexImage2dArgs(args);
if (texture.target == argments.target) {
texture.args = argments;
let { width, height, src } = argments;
if (
width > MIN_TEXTURE_WIDTH &&
height > MIN_TEXTURE_HEIGHT &&
(width & width - 1) === 0 &&
(height & height - 1) === 0 &&
texture.target === this.TEXTURE_2D
) {
if (src) {
// let textureName = getFileNameByLink(src);
texture.src = argments.src;
lstTexture.lst = texture.name;
hasCoverTex++;
_log(`【origin texture cover】 total:${originTextureArr.length} count:${hasCoverTex}`);
if(originTextureArr.length == hasCoverTex){
isAllTextureCover = true;
_log('all files are ready! click the 【download】 button');
addDownloadBtn();
}
}
lstTexture = texture;
}
}
glTexImage2D.apply(this, args);
};
function parseTexImage2dArgs(args) {
let argments = {};
if (args.length == 6) {
let [target, level, internalformat, format, type, source] = args;
let { width, height, src } = source;
argments = { target, level, width, height,internalformat, format, type, src };
} else if (args.length == 9) {
let [
target,
level,
internalformat,
width,
height,
border,
format,
type,
pixels,
] = args;
argments = { target, level, width, height, format,internalformat, type };
} else {
let [target] = args;
argments = { target };
}
return argments;
}
function readWebTextureData(texture) {
let { target, gl, args, src, lst } = texture;
if (!args) { // todo maybe other func bind
return
}
let { level, width, height, format,internalformat, type } = args;
if (
width > MIN_TEXTURE_WIDTH &&
height > MIN_TEXTURE_HEIGHT &&
(width & width - 1) === 0 &&
(height & height - 1) === 0 &&
target === gl.TEXTURE_2D &&
!src
) {
let fb = gl.createFramebuffer();
gl.bindFramebuffer(gl.FRAMEBUFFER, fb);
gl.framebufferTexture2D(
gl.FRAMEBUFFER,
gl.COLOR_ATTACHMENT0,
gl.TEXTURE_2D,
texture,
level
);
let framebufferStatus = gl.checkFramebufferStatus(gl.FRAMEBUFFER);
if (
framebufferStatus == gl.FRAMEBUFFER_COMPLETE
) {
let fileName = `${Date.now()}.png`;
let originName = fileName;
let originTex = webGLTextureMap[lst];
if (originTex) {
if (originTex&&originTex.src) {
let path = originTex.src.split("/");
let uid = path[path.length - 2];
originName = getNameById(uid);
}
if (fileName == originName || !originName) { return }
let pixels = new Uint8Array(width * height * 4);
gl.readPixels(0, 0, width, height, format, type, pixels);
let canvas = document.createElement("canvas");
canvas.width = width;
canvas.height = height;
let context = canvas.getContext("2d");
let imageData = context.createImageData(width, height);
imageData.data.set(flipY(pixels, width, height));
context.putImageData(imageData, 0, 0);
downloadCnt++;
downLoadByLink(canvas.toDataURL(), originName); // todo format
}
}
}
}
function flipY(arr, width, height) {
const length = width * height * 4;
const row = width * 4;
const end = (height - 1) * row;
const pixels = new Uint8Array(length);
for (let i = 0; i < length; i += row) {
pixels.set(arr.subarray(i, i + row), end - i);
}
return pixels;
}
function dumpWebGLTextureData() {
downloadCnt = 0;
for (let key in webGLTextureMap) {
readWebTextureData(webGLTextureMap[key]);
}
if (downloadCnt == originTextureArr.length) {
_log(`【dump texture:${downloadCnt}/${originTextureArr.length}】 success!`);
} else {
_log(`【dump texture:${downloadCnt}/${originTextureArr.length}】oops~something went wrong,u can refresh the page & try again`);
}
}
function getNameById(uid) {
let name;
let texture = originTextureArr.find((t) => {
return t.uid == uid;
});
if (texture) {
name = texture.name;
}
return name;
}
function downLoadByLink(url, filename) {
let link, evt;
link = document.createElement('a');
link.href = url;
filename && link.setAttribute('download', filename);
if (document.fireEvent) {
window.open(link.href);
} else {
evt = document.createEvent('MouseEvents');
evt.initEvent('click', true, true);
link.dispatchEvent(evt);
}
};
window.dumpWebGLTextureData = dumpWebGLTextureData;
})();
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