https://manual.dengine.net/ 2026-06-18T22:09:06+00:00 https://manual.dengine.net/ https://manual.dengine.net/lib/tpl/dengine/images/favicon.ico text/html 2019-11-17T16:37:38+00:00 Anonymous (anonymous@undisclosed.example.com) https://manual.dengine.net/modding/start?rev=1574008658&do=diff Modding This is the Doomsday Modding Guide. Table of contents * Doomsday 1 resources * Doomsday 2 file system * Packages * Assets * DED reference (Doomsday Engine Definitions) * XG reference (generalized line/sector types) * Scripting text/html 2018-10-20T07:47:01+00:00 Anonymous (anonymous@undisclosed.example.com) https://manual.dengine.net/modding/dd_defns?rev=1540021621&do=diff DD_DEFNS lump DD_DEFNS is a special lump recognised only by Doomsday. This lump can be used to include DED and reference_guide data within your wad to make distribution easier. After all DED files (physical and virtual) have been processed, the engine will check through all the loaded WAD files for lumps named DD_DEFNS. All the lumps with that name are processed just as if they were DED files, i.e. they should contain a DED file in plain text format. The DD_DEFNS lumps are applied in the order…