XPlor/definitions/asura/chunks/lfsr_chunk.xscript

// LFSR - List File Reference Chunk
// Contains references to other files/archives
// Common in .cut, .ent, and other Asura files

type lfsr_chunk [display="LFSR List Reference"] byteorder BE
{
    // Standard 16-byte Asura chunk header
    chunk_id = ascii(read(4));
    u32 chunk_size;
    u32 version;
    u32 flags;

    chunk_id = chunk_id [ui, readonly, display="Chunk ID"];
    chunk_size = chunk_size [ui, readonly, display="Chunk Size"];
    version = version [ui, readonly, display="Version"];
    flags = flags [ui, readonly, display="Flags"];

    // Number of file references
    u32 entry_count;
    entry_count = entry_count [ui, readonly, display="Entry Count"];

    // Get type-specific index for naming
    idx = get_global("_lfsr_idx");

    // Read file reference path (null-terminated string)
    if (entry_count > 0) {
        ref_path = cstring();
        ref_path = ref_path [ui, readonly, display="Reference Path"];
    }

    // Set indexed name (format: lfsr.0, lfsr.1, etc.)
    _name = "lfsr." + idx;

    // Additional data depends on version
    // Some versions have extra 8 bytes per entry
    data_size = chunk_size - 16 - 4;
    if (entry_count > 0) {
        // Account for string we already read
        // Remaining data is entry metadata
    }
}