@babylonjs/viewer/dist/chunks/gltf-multi-buffer-5Wl9SblW.esm.js

The Babylon Viewer aims to simplify a specific but common Babylon.js use case: loading, viewing, and interacting with a 3D model.

import { resolveBufferUri } from './gltf-json-asset-Bm6pwOaU.esm.js';
import './index-By0tcgYN.esm.js';

async function loadMultiBuffer(json, baseUrl) {
  const buffers = json.buffers ?? [];
  const arrays = await Promise.all(buffers.map((b) => b?.uri ? fetch(resolveBufferUri(b.uri, baseUrl)).then((r) => r.arrayBuffer()) : Promise.resolve(new ArrayBuffer(0))));
  const offsets = [];
  let total = 0;
  for (const a of arrays) {
    offsets.push(total);
    total += a.byteLength;
    total = total + 3 & -4;
  }
  const out = new Uint8Array(total);
  for (let i = 0; i < arrays.length; i++) {
    out.set(new Uint8Array(arrays[i]), offsets[i]);
  }
  for (const bv of json.bufferViews ?? []) {
    bv.byteOffset = (bv.byteOffset ?? 0) + offsets[bv.buffer ?? 0];
    bv.buffer = 0;
  }
  return new DataView(out.buffer);
}

export { loadMultiBuffer };
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