An old thread but I looked into making a DOOM mod. I was however overwhelmed by the amount of coding it would require. Interestingly the main parts have been around for some versions of Rimworld. I believe for a DOOM mod you would require:
- Weapons. Easy to make, just base stats on vanilla and replace art and sounds from DOOM. No coding required. You can get sprites for art from the DOOM games, but they do not necessarily fit Rimworld style 1:1.
- Armor. Just like weapons, but requires more artwork.
- Monsters. For inspiration you can grab sprites from DOOM games, but making them Rimworld style requires work. Stats are easy to build with just xml work and you can get the sounds from DOOM. The hard part in this is that many of the monsters would require natural ranged weaponry. Shooting fire from mouth, rocketlauncher hands etc. There was a mod for A12 around that enabled this (
https://ludeon.com/forums/index.php?topic=16091.0) but it requires coding to make work again.
- Teleportation. The story element and a major change in gameplay. You would get a powerful tool, but it would lead to demon trouble. Adding the teleporter is easy, but making it actually teleport is hard. For A12 there was a teleporter (
https://ludeon.com/forums/index.php?topic=7570.0) but again it would require coding to make work again.
DOOM is a popular game to mod and make versions of so there are a lot of resources and tools available. I used an extractor (
http://www.terrybutler.co.uk/tools/doom-engine-wad-reader-and-extractor) to retrieve sprites and sounds from the Ultimate DOOM and applied those to Rimworld.
A DOOM mod would go very well with the Mars mod (
https://ludeon.com/forums/index.php?topic=25926.0). Hopefully someone with the right skillset gets into it.
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