// GUI file (Big Endian, Sniper Elite, AVP, etc.)
// XMemCompressed data containing Asura archive

type guiBE [root, display="GUI (Big Endian)"] byteorder BE
{
    criteria {
        require _ext == "guibe";
        // XMemCompress signature: 0x0FF512ED or 0x0FF512EE followed by 0x01000000
        sig1 = u32at(0);
        sig2 = u32at(4);
        require (sig1 == 0x0FF512ED || sig1 == 0x0FF512EE);
        require sig2 == 0x01000000;
    }

    // Read signature info for display
    u32 xmem_signature;
    u32 xmem_flags;
    xmem_signature = xmem_signature [ui, readonly, display="XMem Signature"];
    xmem_flags = xmem_flags [ui, readonly, display="XMem Flags"];

    seek(0);

    // Read entire file and decompress
    compressed_data = read(EOF);
    decompressed_data = compressed_data |> xmem;

    // Export decompressed data
    write_file(_basename + ".gui.decompressed", decompressed_data);

    // Check if decompressed data is an Asura archive
    dec_sig = ascii(bytesof(decompressed_data, 0, 8));
    is_asura = (dec_sig == "Asura   ") [ui, readonly, display="Is Asura Archive"];

    if (is_asura) {
        archive = decompressed_data |> parse asura_archive;
        archive = archive [ui, display="Asura Archive"];
    }
}