Spore Hero Arena NITRO NTRO

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Format Type: Archive
Extensions: nitro_archive
Platforms: unknown
Endian Order: Little Endian

Format Specifications

// Each file in the archive is a custom Nitro file, starting with a NTRO header, etc.
// If filenames aren't stored, you can read the FileType field from the file to determine what kind of file it is...
// 0 = save
// 1 = nitro_texture
// 11 = nitro_mesh
// 14 = nitro_archive
// 17 = nitro_skeleton
// 19 = nitro_animation
// 32 = nitro_map
// 64 = nitro_xml
// 1024 = nitro_script
// 8192 = nitro_vertices
// 10240 = nitro_text
// 65536 = lot

// ARCHIVE HEADER
  4 - Header (NTRO)
  4 - Archive Length
  4 - Unknown (3)
  4 - File Type (14)
  4 - Unknown (4)
  4 - Unknown (48)
  4 - Unknown (15)
  4 - Unknown (180)
  4 - Directory Offset
  4 - Unknown (16)
  4 - Unknown
  4 - File Data Offset
  4 - Number of Files (if negative, calculate numFiles as ((fileDataOffset - DirectoryOffset)/20);
  

// FILENAME DIRECTORY
  if (DirectoryOffset == 52){
    // no filenames
    }
  else {
    4 - Filename Directory Length
    4 - Filename Directory Offset
    4 - Number of Filenames

    // for each file
      128 - Filename (filled with nulls)
    }
  
// FILES DIRECTORY
  // for each file (20 bytes per entry)
    8 - Unknown
    4 - File Offset (relative to the start of the File Data)
    4 - File Length
    4 - null
    
// FILE DATA
  // for each file
    X - File Data

MultiEx BMS Script

No BMS script

Supported Programs

• Game Extractor
  

Notes

No additional notes

Games

• Spore Hero Arena [NDS]
• The Sims 2 [NDS]