h3n3/yet-another-cad-viewer
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playground: most of the logic for both frontend and backend is implemented, some bugs remain

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Yeicor
2025-07-20 21:35:45 +02:00
parent 0460e939e4
commit a63d018850
22 changed files with 617 additions and 165 deletions
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7
frontend/misc/gltf.ts
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@@ -5,6 +5,9 @@ let io = new WebIO();
export let extrasNameKey = "__yacv_name";
export let extrasNameValueHelpers = "__helpers";
// @ts-expect-error
let isSmallBuild = typeof __YACV_SMALL_BUILD__ !== 'undefined' && __YACV_SMALL_BUILD__;
/**
* Loads a GLB model from a URL and adds it to the document or replaces it if the names match.
*
@@ -27,7 +30,7 @@ export async function mergePartial(url: string, name: string, document: Document
try { // Try to load fast if no extensions are used
newDoc = await io.readBinary(new Uint8Array(buffer));
} catch (e) { // Fallback to wait for download and register big extensions
if (e instanceof Error && e.message.toLowerCase().includes("khr_draco_mesh_compression")) {
if (!isSmallBuild && e instanceof Error && e.message.toLowerCase().includes("khr_draco_mesh_compression")) {
if (alreadyTried["draco"]) throw e; else alreadyTried["draco"] = true;
// WARNING: Draco decompression on web is really slow for non-trivial models! (it should work?)
let {KHRDracoMeshCompression} = await import("@gltf-transform/extensions")
@@ -38,7 +41,7 @@ export async function mergePartial(url: string, name: string, document: Document
'draco3d.decoder': await dracoDecoderWeb.default({}),
'draco3d.encoder': await dracoEncoderWeb.default({})
});
} else if (e instanceof Error && e.message.toLowerCase().includes("ext_texture_webp")) {
} else if (!isSmallBuild && e instanceof Error && e.message.toLowerCase().includes("ext_texture_webp")) {
if (alreadyTried["webp"]) throw e; else alreadyTried["webp"] = true;
let {EXTTextureWebP} = await import("@gltf-transform/extensions")
io.registerExtensions([EXTTextureWebP]);