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Mod Update


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From what I understand, enough has changes since 1.12.2 that a rewrite usually makes more sense than trying to update, depending on the mod functionality.

I would also suggest making a github repository for the code, as opposed to some random download page. It would make it easier for interested people to collaborate updating the source.

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This link has some notes on the major changes between 1.12 and 1.17 including some tools to help you do some method renaming.


And this page has links for the changes in 1.19


There is also a bot on the discord server that will let you query old class/method names to find the modern mojang endorsed names.


But as was said above, Minecraft has undergone major structural changes since 1.12

You would be better off starting with a clean slate and copying what can from the old mod.

Many things will need to be done in a completely different way.

e.g. the new graphics library, 1.13's change of world save format which affects registration and 1.16+'s rewrite of worldgen


If you don't post your logs/debug.log we can't help you. For curseforge you need to enable the forge debug.log in its minecraft settings. You should also post your crash report if you have one.

If there is no error in the log file and you don't have a crash report then post the launcher_log.txt from the minecraft folder. Again for curseforge this will be in your curseforge/minecraft/Install

Large files should be posted to a file sharing site like https://gist.github.com  You should also read the support forum sticky post.

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