Function loadManifestSource

src/hooks/urlLoaderManifestSource.ts:38–84

(
  manifest: ColmapManifest,
  source: ManifestLoadSource,
  deps: LoadManifestSourceDeps
)

}

export async function loadManifestSource(
  manifest: ColmapManifest,
  source: ManifestLoadSource,
  deps: LoadManifestSourceDeps
): Promise<boolean> {
  const log = deps.log ?? appLogger.info;
  const fetchColmapFiles = deps.fetchColmapFiles
    ?? ((targetManifest: ColmapManifest) => fetchManifestColmapFiles(targetManifest, {
      log: (message) => log(message),
      setUrlProgress: deps.setUrlProgress,
      onRemoteSplatCatalog: deps.onRemoteSplatCatalog,
    }));

  const files = await fetchColmapFiles(manifest);
  log(`[URL Loader] Downloaded ${files.size} COLMAP files:`, Array.from(files.keys()));

  log('[URL Loader] Skipping image download (images will be loaded lazily)');

  deps.setUrlProgress({ percent: 80, message: 'Parsing reconstruction...' });

  const sourceInfo = getManifestLoadSourceInfo(manifest, source);
  deps.setSourceInfo(
    sourceInfo.sourceType,
    sourceInfo.sourceUrl,
    sourceInfo.imageUrlBase,
    sourceInfo.maskUrlBase,
    sourceInfo.sourceManifest,
    sourceInfo.imageNameToUrl ?? null
  );
  log(`[URL Loader] Image URL base for lazy loading: ${sourceInfo.imageUrlBase}`);
  log(`[URL Loader] Mask URL base for lazy loading: ${sourceInfo.maskUrlBase}`);
  if (sourceInfo.imageNameToUrl) {
    log(
      `[URL Loader] Per-image URL mapping active for ${Object.keys(sourceInfo.imageNameToUrl).length} images`
    );
  }

  log('[URL Loader] Calling processFiles...');
  await deps.processFiles(files, { start: 80, end: 100 }, { throwOnError: true });

  if (findSplatFileSources(files).length === 0) {
    deps.setUrlProgress({ percent: 100, message: 'Complete' });
  }
  log(`[URL Loader] Successfully loaded ${files.size} files from ${sourceInfo.successLabel}`);

  return true;
}