Modding

File:Fff-18-entity-graph.jpg

'Diagram of entities' (objects on the map) class inheritance structure generated by doxygen. Taken From Friday Facts #18 http://www.factorio.com/blog/post/fff-18

Modding in Factorio allows for more content created by the community.

• Modding overview
• Prototype definitions
• Data.raw
• Lua events
• Lua objects
• Script interfaces
• Lua/Data Lifecycle
• Migration scripts
• Modding FAQ
• Modding Tutorial

Resources

This page is a starting point, but you'll often want more depth.

• Modding FAQ page
• The Modding Help board has a great community and focuses on answering modding questions
• The Official Lua API documentation is a great reference for understanding the Factorio functions and types in the game.
• You can also find inspiration from any of the mod databases listed on the Mods page.

Licensing

All mods require a license since v0.11. If a mod has no license it is assumed to have a Creative Commons Attribution-NonCommercial 4.0 International (CC BY-NC 4.0) license.

See also

• Forum post on allowed use of base-mod content
• Factorio terms of service

Creating a scenario from a saved game (map)

An often asked question is how to make a scenario (something which can be edited in the map editor) from a map: Factorio can convert them (see also this post):

./bin/prod/factorio --map2scenario mapfoo

More about the client parameters

Creating scenarios with the map editor

Another first step is also making maps with the ingame editor. That stores the map as a scenario, which is just a directory on disk with some files in it. You can look into those files to get a better understanding as to what they are for, or you can read the following pages:

See also

• Tutorial: Create graphics for your mod..., how to generate sprite maps