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Category:W3M Files

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A W3M file is a Warcraft III Map file (AKA Warcraft III Scenario in the World Editor). It's just a MPQ (using a "new" compression format) with a 512bytes header. Sometimes, for official W3M files, it uses a footer of 260 bytes for authentification purposes.

Header

The header is a fixed 512 bytes. It is right padding with 00 bytes until the size is reached.

Type Description
char[4] file ID (should be "HM3W")
int unknown
string map name
int map flags (these match the flags in war3map.w3i)
int max number of players

Footer

The footer is optional and not always present.

Type Description
char[4] footer sign ID (should be "NGIS" == 'sign' reversed)
byte[256] 256 data bytes for authentification. I don't know how they are used at the moment.

The MPQ part can contain the following files:

Filename Description
(listfile) list of files stored in the w3m file
(signature) signature of the w3m file
(attributes) attributes of files in the w3m file
war3map.w3e Environment
war3map.w3i General Map Information
war3map.wtg Trigger Names
war3map.wct Custom Text Triggers
war3map.wai Artifical Intelligence
war3map.wts Trigger String Data
war3map.j JASS2 Script
war3map.shd Shadow Map
war3mapMap.blp Minimap Image
war3mapMap.b00
war3mapMap.tga
war3mapPreview.tga
war3map.mmp Menu Minimap
war3mapPath.tga
war3map.wpm
war3map.doo Doodad file for trees
war3mapUnits.doo Doodad file for items and units
war3map.w3r Trigger Regions
war3map.w3c Cameras
war3map.w3u Custom Units
war3map.w3s Sound Definitions
war3map.imp Imported File list
war3mapImported\*.* Any files imported into World Editor, also defined in war3map.imp

Original Credits

  • A big thanks to Guign Valentin for letting us move this into the Wiki.
  • Thanks to Justin Olbrantz (Quantam)(Inside MoPaQ), Andrey Lelikov (LMPQ API) and ShadowFlare
  • Special thanks to BlackDick, DJBnJack, PitzerMike, StonedStoopid, Ziutek and a few others.
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This page was last modified on 24 April 2008, at 22:34. This page has been accessed 2,134 times.