Ugdhar

setupDecompWorkspace is no longer used. The Forge docs have correct information as far as getting started goes: https://mcforge.readthedocs.io/en/1.14.x/gettingstarted/ Also, using Powershell, when accessing a program in the currect directory (folder), you must use .\ in front of the command name, i.e. .\gradlew

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Please update to a more modern version, 1.14.4 or 1.15.2. More information on supported versions can be found in the LTS link at the top of every page.

1.12 is no longer supported on these forums due to age. Please update to a modern version to receive support here. More information on supported versions can be found in the LTS link at the top of every page.

1.12 is no longer supported on these forums due to age. Please update to a modern version to receive support here. More information on supported versions can be found in the LTS link at the top of every page.

1.12 is no longer supported on these forums due to age. Please update to a modern version to receive support here. More information on supported versions can be found in the LTS link at the top of every page.

1.12 is no longer supported on these forums due to age. Please update to a modern version to receive support here. More information on supported versions can be found in the LTS link at the top of every page.

I don't think SurfaceBuilder is what you want to look at, as that only builds the surface. Probably check out ChunkGenerators, I see in net.minecraft.world.gen.GenerationSettings there is a defaultBlock field that seems to default to stone. *edit: looking a little bit more, it almost seems as if the default block is determined by the dimension as opposed to the biome.

Look at vanilla recipes for examples, and also https://minecraft.gamepedia.com/Recipe#JSON_format

No problem, that's why I didn't simply say it wasn't compatible!

Go back to the optifine download page and read the changelog for the version you downloaded, it tells what versions of forge, if any, are compatible with it.

Please post logs as described in the EAQ, otherwise it's just guessing

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1.12 is no longer supported on these forums due to age. Please update to a modern versions to receive support here. More information on supported versions can be found in the LTS link at the top of every page.

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You should post your entire mod as a buildable git repo on github or something, makes it easier for people to see errors (or to build the mod to help debug) and prevents forgetting to paste code to a forum post

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Nope, gradle.properties, came with the MDK, only contains this: but I saw somewhere someone mentioning you can target your JDK through an option in there, I just don't know what it is myself, I only have Java 8 installed.

Uninstall java 13, set JAVA_HOME (I think), or I believe you can set options in gradle.properties to specify the JDK you want to use.

What is the output of java -version ?

1.7 is no longer supported on these forums due to age. Please update to a modern version to receive support here. More information on supported versions can be found in the LTS link at the top of every page.

1.12 is no longer supported on these forums due to age. Please update to a modern version to receive support here. More information on supported versions can be found in the LTS link at the top of every page.

1.12 is no longer supported on these forums due to age. Please update to a modern version to receive support here. More information on supported versions can be found in the LTS link at the top of every page.

1.12 is no longer supported on these forums due to age. Please update to a modern version to receive support here. More information on supported versions can be found in the LTS link at the top of every page.