File Extensions
YouThis willis mostlya belist editingof these.
.decl
Thethe most common filefiles typeyou'll edit when creating a mod. It is recommend that you willdownload bethe using.tools Canto extract the game resources before continuing. That way, you can reference these files as you go.
.decl File Extension
.decl files (short for "declaration") are the most commonly used files in Doom Eternal modding. They are a form of script or "pseudo-code" that is interpreted by the game engine. Many of the variables and numeric values used by the game are defined in these files. They can be edited with a text editor.Found in:
Filepath:<resource>/generated/decls
Example:gameresources/generated/decls/weapon/weapon/player/rocket_launcher.decl
> File to edit the Rocket Launcher.
.entities
File Extension
ContainsThe everything.entities file contains all of the data in a map/level except geometry.geometry Edit— thisif whenyou makingwant to make a level mods.
mod, you will need to learn how to edit them. The .entities files are compressedstored compressed, and would require a tool to decompress it.them. After that, the file can be edited with a text editor.Found in:Filepath:<resource>/maps/game/<campaign>/<level_name>/<level_name>.entities
Example:e1m1_intro_patch1/maps/game/sp/e1m1_intro/e1m1_intro.entities
> Level file path for Hell on Earth.
.tga
File Extension
TextureThese are texture files. If you want to create custom skins or other artwork, you will most likely be editing these .tga files. Not everything "visual" areis containeda here.tga asfile. someMany aspectsof suchthe asgame's particlesparticle effects, lighting effects, and colorsother visual effects are delegatedcontrolled toby .decl files.files instead.
Texture editing software would beis required to edit .tga files.
Found in:<resource>/models and <resource>/art
Example:gameresources/models/monsters/arachnotron/*
> Texture files for the Arachnotron's model.
You may already be familiar with the .tga (targa) image format. However, the .tga files used in Doom Eternal are not actually .tga files, despite the name. You will need to use a tool such as SAMUEL or VEGA to extract them in a usable format (.dds, .png, or .tiff).