revenant-images-i2d-file-format-WIP.ksy

meta:
  id: images
  endian: le
  file-extension: i2d

seq:
  - id: magic
    contents: [0x43, 0x47, 0x53, 0x52]

  - id: file_header
    type: file_header_block

types:

  file_header_block:
    seq:
    - id: num_images1
      type: u2

    - id: unknown_constant1
      type: u1
    - id: unknown_constant2
      type: u1

    - id: unknown_constant3
      type: u4
    - id: unknown_constant4
      type: u4
    - id: unknown_constant5
      type: u4

    - id: empty_space1
      type: u4

    - id: num_images2
      type: u4

    - id: img_string1
      type: str
      terminator: 0
      encoding: utf8

    - id: str_padding
      size: (4 - _io.pos) % 4 # see https://github.com/kaitai-io/kaitai_struct/issues/12#issuecomment-277757932

    - id: empty_space2
      size: 6*4

    - id: unknown_constant6
      type: u4
    - id: unknown_constant7
      type: u4

    - id: empty_space3
      type: u4

    - id: unknown_constant8
      type: u4
    - id: unknown_constant9
      type: u4
    - id: unknown_constant10
      type: u4

    - id: empty_space4
      type: u4

    - id: unknown_constant11
      type: u4
    - id: unknown_constant12
      type: u4
    - id: unknown_constant13
      type: u4

    - id: empty_space5
      type: u4

    - id: unknown_constant14
      type: u4
    - id: unknown_constant15
      type: u4
    - id: unknown_constant16
      type: u4

    - id: empty_space6
      size: 3*4

    - id: unknown_constant17
      type: u4