# More questions about contributing

**URL:** <https://discourse.cataclysmdda.org/t/more-questions-about-contributing/17920>\
**Category:** The Drawing Board\
**Created:** [December 15, 2018, 12:10am UTC](https://discourse.cataclysmdda.org/t/more-questions-about-contributing/17920 "2018-12-15T00:10:52Z")\
**Posts on this page:** 1\
**Showing post:** 6

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**Author:** ![TheMurderUnicorn](https://sea2.discourse-cdn.com/flex016/user_avatar/discourse.cataclysmdda.org/themurderunicorn/32/5706_2.png) [@TheMurderUnicorn](https://discourse.cataclysmdda.org/u/TheMurderUnicorn)\
**Post date:** [December 15, 2018, 5:39am UTC](https://discourse.cataclysmdda.org/t/more-questions-about-contributing/17920/6 "2018-12-15T05:39:33Z")

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> <https://github.com/CleverRaven/Cataclysm-DDA/blob/7ace076dcbfbd97fe3a069bb1b9f49b3e0dd9e82/doc/MAPGEN.md>

That’s a basic rundown. I’ve mostly learned through trial and error. You can find the files in dir/data/json/mapgen. The best way to learn is to try.

You can force-spawn buildings by going in the debug menu, pressing ‘g’, then pressing ‘o’ and using ‘/’ to search for the name of what you’re trying to spawn. You can also view it in a natural way by using debug to reveal the map and then teleporting to the location.

Unfortunately there isn’t a lot of ‘odd’ meat in the game. I don’t know the rules on adding items, I’ve just been doing a little mapgen stuff, working with things that already exist. Hence what I said about the lack of human organs. I could create those items, no problem, but plugging them in to the harvest code and all that jazz is beyond me, so I defer until someone else does it.

I also had not seen a butcher shop in a long time. In testing, however, they seem to spawn an awful lot.

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