QuadMap

This repository reverse-engineers the SeeYou qmp file format.

• The minimum goal is to extract images from a given qmp file.
• The stretch goal is to create qmp files that will be accepted by SeeYou.

QMP File Format

• QTMAP
  • at 0x000000, end 0x0009c5, len 0x9c5
    • char marker[5] = 'QTMAP' // not null-terminated
    • uint32_t version = 0x02
    • uint32_t quadtree_offset? = 0x0000 09c6 // off-by-one?
    • char description[0x64] // not null-terminated
    • char name[0x64] // not null-terminated
    • char date0[0x14] // not null-terminated
    • char date1[0x14] // not null-terminated
    • uint32_t unk_a0 = 0x05a0 0000
    • uint32_t unk_a1 = 0x4113 c0e0
    • uint32_t unk_a2 = 0xf4c0 0000
    • uint32_t unk_a3 = 0xc123 c3af
    • uint32_t unk_a4 = 0x0000 2000 = 8192
    • uint32_t unk_a5 = 0x0000 1000 = 4096
    • uint32_t unk_a6 = 0xf4c0 0000
    • uint32_t unk_a7 = 0x4063 c3af
    • uint32_t unk_a8 = 0x21c0 0000
    • uint32_t unk_a9 = 0x4063 c0e0
    • char creator[0x32] // not null-terminated
    • char copyright[0x64] // not null-terminated
• QUADTREE
  • at 0x0009c5, end 0x00df8, len 0x434
    • char marker[8] = 'QUADTREE' // not null-terminated
    • uint32_t version = 0x01
    • uint32_t max_level = 0x04
    • uint32_t unk = 0x2000
    • uint32_t unk = 0x1000
    • uint32_t unk = 0x2000
    • uint32_t unk = 0x1000
    • uint32_t unk = 0x0200
    • uint32_t unk = 0x0100
    • uint32_t unk = 0x0
    • uint32_t unk = 0x0
    • uint32_t soi_preview_offset? = 0x0000 40aa
  • at 0x0009f5 rel 0x30: 0x000040aa
• TILESET
  • total count 5
    • char marker[8] = 'TILESET ' // not null-terminated
  • level 0, 1x1=1
    • at 0x000df9, end 0x000ea8, length=0xb0
    • at 0x000e91 rel 0x98: 0x000040aa=SOI 0x00002689=length
      • from 0x000e85 rel 0x8c
      • uint32_t level = 0x0000 0000
      • uint32_t tile_x = 0x0000 0001
      • uint32_t tile_y = 0x0000 0001
      • uint32_t soi_offset = 0x0000 40aa
      • uint32_t soi_length = 0x0000 2689
      • uint32_t x0 = 0x0000 0000 = 0
      • uint32_t y0 = 0x0000 0000 = 0
      • uint32_t x1 = 0x0000 01ff = 511
      • uint32_t y1 = 0x0000 00ff = 255
  • level 1, 2x2=4
    • at 0x000ea9, length=0x11c
    • at 0x000f41: 0x00006733=SOI 0x0000218e=length
      • from 0x000f35 rel 0x8c
      • uint32_t level = 0x0000 0001
      • uint32_t tile_x = 0x0000 0001
      • uint32_t tile_y = 0x0000 0001
      • uint32_t soi_offset = 0x0000 6733
      • uint32_t soi_length = 0x0000 218e
      • uint32_t x0 = 0x0000 0000 = 0
      • uint32_t y0 = 0x0000 0000 = 0
      • uint32_t x1 = 0x0000 01ff = 511
      • uint32_t y1 = 0x0000 00ff = 255
    • at 0x000f65: 0x000088c1=SOI 0x000018e4=length
      • from 0x000f59
      • uint32_t level = 0x0000 0001
      • uint32_t tile_x = 0x0000 0002
      • uint32_t tile_y = 0x0000 0001
      • uint32_t soi_offset = 0x0000 88c1
      • uint32_t soi_length = 0x0000 18e4
      • uint32_t x0 = 0x0000 0200 = 512 // top-left
      • uint32_t y0 = 0x0000 0000 = 0
      • uint32_t x1 = 0x0000 03ff = 1023 // bottom-right
      • uint32_t y1 = 0x0000 00ff = 255
    • at 0x000f89: 0x0000a1a5=SOI 0x00002794=length
      • from 0x000f7d
      • uint32_t level = 0x0000 0001
      • uint32_t tile_x = 0x0000 0001
      • uint32_t tile_y = 0x0000 0002
      • uint32_t soi_offset = 0x0000 a1a5
      • uint32_t soi_length = 0x0000 2794
      • uint32_t x0 = 0x0000 0000 = 0
      • uint32_t y0 = 0x0000 0100 = 256
      • uint32_t x1 = 0x0000 01ff = 511
      • uint32_t y1 = 0x0000 01ff = 511
    • at 0x000fad: 0x0000c939=SOI 0x00001b23=length
      • from 0x000fa1
      • uint32_t level = 0x0000 0001
      • uint32_t tile_x = 0x0000 0002
      • uint32_t tile_y = 0x0000 0002
      • uint32_t soi_offset = 0x0000 c939
      • uint32_t soi_length = 0x0000 1b23
      • uint32_t x0 = 0x0000 0200 = 512
      • uint32_t y0 = 0x0000 0100 = 256
      • uint32_t x1 = 0x0000 03ff = 1023
      • uint32_t y1 = 0x0000 01ff = 511
  • level 2, 4x4=16
    • at 0x000fc5, length=0x2cc
    • at 0x00105d: 0x0000e45c=SOI 0x000020b1=length
      • from 0x001051 rel 0x8c
      • uint32_t level = 0x0000 0002
      • uint32_t tile_x = 0x0000 0001
      • uint32_t tile_y = 0x0000 0001
      • uint32_t soi_offset = 0x0000 e45c
      • uint32_t soi_length = 0x0000 20b1
      • uint32_t x0 = 0x0000 0000 = 0
      • uint32_t y0 = 0x0000 0000 = 0
      • uint32_t x1 = 0x0000 01ff = 511
      • uint32_t y1 = 0x0000 00ff = 255
    • ...
  • level 3, 8x8=64
    • at 0x001291, length=0x98c
  • level 4, 16x16=254
    • at 0x001c1d, length=0x248c
• JFIF 4a 46 49 46
  • count 341 from strings | grep JFIF | wc -l
  • 341 = 1 + 4 + 16 + 64 + 256, 5 levels :-)
• level 0
  • at 0x0040a9 -> 0xffd8=SOI 0xffe0=JFIF-APP0, length=0x2689
• level 1
  • at 0x006732 -> SOI header, length=0x218e
  • at 0x0088c0 -> SOI header, length=0x18e4
  • at 0x00a1a4 -> SOI header, length=0x2794
  • at 0x00c938 -> SOI header, length=0x1b23
• level 2
  • at 0x00e45b -> SOI header
  • at 0x01051c -> SOI header
  • at 0x0117ff -> SOI header
  • at 0x0122a5 -> SOI header
  • at 0x013c9a -> SOI header
  • at 0x015f81 -> SOI header
  • at 0x017832 -> SOI header
  • at 0x018cf1 -> SOI header