Editing Map (section)

== UDMF Mapping ==
''[https://doomwiki.org/wiki/UDMF UDMF]'' stands for ''Universal Doom Map Format''. It is a textual map format developed for near-infinite extensibility within modern Doom engine source ports. It is not backwards compatible to older formats.

A UDMF map consists of the following lumps within a WAD or [[PK3]], :

* <code>MAPxx</code> - A simple marker lump denoting the map number. Required.
* <code>TEXTMAP</code> contains information on the map geometry (vertices, linedefs, sectors), SIDEDEFs and Things. Despite UDMF being a text format, it is not intended to be read or edited manually. Instead it should be parsed by dedicated programs such as Ultimate Zone Builder, SLADE or Weissblatt's game engine.
* <code>ZNODES</code> - BSP information generated by  [https://doomwiki.org/wiki/ZDBSP ZDBSP] (as it's the only node builder with UDMF support). If missing, many Doom engines expect it to be generated on-the-fly by a ZDBSP instance built into the engine.

* <code>ENDMAP</code> - a simple marker lump. Required

=== TEXTMAP specification ===
Weissblatt supports UDMF <code>TEXTMAP</code>s of namespace <code>weissblatt</code> and <code>srb2</code>.