XPlor/definitions/asura/asrBE.xscript

// Asset Resource file (Big Endian, Sniper Elite, AVP, etc.)
// Can be raw Asura archive or XMemCompressed

type asrBE [root, display="Asset Resource (Big Endian)"] byteorder BE
{
    criteria {
        require _ext == "asrbe";
        // Accept either Asura signature or XMemCompress signature
        sig = u32at(0);
        is_xmem = (sig == 0x0FF512ED || sig == 0x0FF512EE);
        is_asura = (ascii(bytesat(0, 8)) == "Asura   ");
        require (is_xmem || is_asura);
    }

    // Check if XMemCompressed
    sig = u32at(0);
    is_compressed = (sig == 0x0FF512ED || sig == 0x0FF512EE);
    is_compressed = is_compressed [ui, readonly, display="XMem Compressed"];

    if (is_compressed) {
        // 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"];

        compressed_size = size();
        compressed_size = compressed_size [ui, readonly, display="Compressed Size"];

        // Read entire file and decompress
        seek(0);
        compressed_data = read(EOF);
        decompressed_data = compressed_data |> xmem;

        decompressed_size = len(decompressed_data);
        decompressed_size = decompressed_size [ui, readonly, display="Decompressed Size"];

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

        // Parse decompressed archive
        if (decompressed_size > 8) {
            dec_sig = ascii(bytesof(decompressed_data, 0, 8));
            if (dec_sig == "Asura   ") {
                archive = decompressed_data |> parse asura_archive;
                archive = archive [ui, display="Archive Contents"];
            }
        }
    } else {
        // Parse as raw Asura archive
        archive = parse_here("asura_archive");
        archive = archive [ui, display="Asura Archive"];
    }
}