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Mixins work fine in Intellij and in 1.21 client, but cause crash on launch in a 1.20.1 client


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Posted (edited)

I'm trying to backport my mod from 1.21 to 1.20.1, so I made a new mod project for 1.20.1 and copied over my mixins after I set everything up . There weren't any errors, so I ran the client in Intellij and it worked just fine, but when I export it to a jar file and try to run it in a normal forge client outside of Intellij, it crashes on startup. This crash doesn't happen for 1.21. I've checked a thousand times to make sure everything in my gradle files are spelled correctly, everything has the right verion, etc. but I can't figure out what's wrong.

The log (click for full file) says

Quote

Critical injection failure: @Inject annotation on isDarkEnoughToSpawnInject could not find any targets matching 'isDarkEnoughToSpawn' in net.minecraft.world.entity.monster.Monster.

So I checked the sources with ctrl+H to make sure the function is still called that and it's right there with the same spelling, capitalization, etc. so I have no idea why it doesn't work.

Edit: the refmap seems to not be generating and I don't know how to fix it

Edited by TNT Blox 0
more info
Posted

I looked it up and apparently the annotation processor is supposed to convert everything, but for some reason, that isn't happening with my mod and I can't figure out why. The mixin docs are incomplete, so I couldn't find any information there and as usual, Google doesn't provide anything helpful. I honestly might have to just give up on using mixins for any version prior to 1.21.

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