Difference between revisions of "Monochrome map (.bit, .lev)"

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Monochrome map files (*.bit) were the first type of user-made maps which were allowed for network play, and, except for the seed-generated maps, the only type of maps allowed for on-line play before [[Deadcode]] added [[Colour map|colour .PNG maps]] support. BIT maps store a 1920×696 blank-and-white bitmap, which represends the land mask (white = land, black = free space), as well as a few other map parameters, such as water level, terrain, etc. The map image is compressed in the Lead Tools proprietary format.
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Monochrome map files (*.bit) were the first type of user-made maps which were allowed for network play in Worms Armageddon, and, except for the seed-generated maps, the only type of maps allowed for on-line play in it before [[Deadcode]] added [[Colour map|colour .PNG maps]] support. BIT maps store a 1920×696 blank-and-white bitmap, which represends the land mask (white = land, black = free space), as well as a few other map parameters, such as water level, terrain, etc. The map image is compressed in the Lead Tools proprietary format.
  
 
== File format ==
 
== File format ==
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== Software ==
 
== Software ==
  
In order to operate on such files, 3rd-party software must access the Lead Tools redistributable run-time libraries, shipped with Worms Armageddon.
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In order to operate on such files, 3rd-party software must access the Lead Tools redistributable run-time libraries, shipped with Worms Armageddon and Worms World Party.
  
 
Currently, programs that can operate with .bit files are [[Annelid]]'s [[BIT Monkey]] and the [[Thumbnail Shell Extension]].
 
Currently, programs that can operate with .bit files are [[Annelid]]'s [[BIT Monkey]] and the [[Thumbnail Shell Extension]].

Revision as of 22:23, 5 July 2006

Monochrome map files (*.bit) were the first type of user-made maps which were allowed for network play in Worms Armageddon, and, except for the seed-generated maps, the only type of maps allowed for on-line play in it before Deadcode added colour .PNG maps support. BIT maps store a 1920×696 blank-and-white bitmap, which represends the land mask (white = land, black = free space), as well as a few other map parameters, such as water level, terrain, etc. The map image is compressed in the Lead Tools proprietary format.

File format

The .bit file format consists of a 40-byte header, and the actual map data.

  • 00-0B - undefined bytes (may take any values)

The following values are double words (4-byte integers):

  • 0C - Unknown (should be 0)
  • 10 - Map border - 0=on 1=off
  • 14 - Number of objects (0 = 1 object, 1 = 2 objects, ..., 9 = 10 objects)
  • 18 - Number of bridges (0 = 1 bridge, 1 = 2 bridges, ..., 9 = 10 bridges)
  • 1C - Water level (valid values from 0 to 99)
  • 20 - Soil type (-Beach, -Desert, etc.)
  • 24 - Unknown (should be 0)
  • 28 - Lead Tools bitmap image data (should start with "LTRI")

Software

In order to operate on such files, 3rd-party software must access the Lead Tools redistributable run-time libraries, shipped with Worms Armageddon and Worms World Party.

Currently, programs that can operate with .bit files are Annelid's BIT Monkey and the Thumbnail Shell Extension.

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