Function tryPcSogsZip

src/SplatLoader.ts:604–635

(
  input: ArrayBuffer | Uint8Array,
)

}

export function tryPcSogsZip(
  input: ArrayBuffer | Uint8Array,
): { name: string; json: PcSogsJson | PcSogsV2Json } | undefined {
  try {
    const fileBytes =
      input instanceof ArrayBuffer ? new Uint8Array(input) : input;
    let metaFilename: string | null = null;

    const unzipped = unzipSync(fileBytes, {
      filter: ({ name }) => {
        const filename = name.split(/[\\/]/).pop() as string;
        if (filename === "meta.json") {
          metaFilename = name;
          return true;
        }
        return false;
      },
    });
    if (!metaFilename) {
      return undefined;
    }

    // Check for PC SOGS V1 and V2 (aka SOG)
    const json = tryPcSogs(unzipped[metaFilename]);
    if (!json) {
      return undefined;
    }
    return { name: metaFilename, json };
  } catch {
    return undefined;
  }
}

export async function unpackSplats({
  input,