Draco18s

Creating a new event doesn't magically make that event get fired in the code.

what does this button do?

You expected your block to have a FACING direction despite not telling the game it had a FACING direction. Extending StairBlock isn't sufficient, because you didn't call super.

Weird, those options have always worked for me.

Some work dissecting how to use the structure system to generate features would be handy. I've figured out some of the basics, but in terms of adapting that information to get Custom Ore Gen working again, I'm stuck, though part of that is not knowing how COG works either.

nevermind

This function is both unused and useless. NAME is also unused. Beyond that, I don't see any obvious issues that would be causing your problem.

ok, so: Does your texture exist where you told the game to find it? Does the log say anything?

...and your main mod class?

That differs from what I'd heard previously.

Basically you should never yourself be using the @OnlyIn annotation unless you are overriding a method with the annotation already.

Write valid JSON? Get a plugin for your IDE that does syntax checking on json files. I know both Eclipse and IntelliJ have them on their plugin marketplace. But if you can't be bothered, use https://jsonlint.com/

Success and Consume are basically identical, the only thing that makes a distinction is whether or not the player's arm swings when the action is performed.

You mean like this bit?

If that's where you got the idea to use !world.isRemote, then you did not understand that page correctly.

No, the structure system avoids that issue. Use the structure system.

This makes no sense.

You don't, its client specific code. To which client? Each player connected to the server is a different client. Also, Read the Docs https://mcforge.readthedocs.io/en/1.15.x/networking/

You need two item stack handlers, one that's private that the machine can insert to, and one that you expose via getCapability that can only be extracted from (and which wraps around the former). https://github.com/Draco18s/ReasonableRealism/blob/1.14.4/src/main/java/com/draco18s/harderores/entity/SifterTileEntity.java#L51-L52

1.7.10 is over 5 years old and hasn't been supported for about 3. Also, this board is for people who need help making mods. You're going to have to go somewhere else, and I'd suggest reaching out to the authors of your mods to figure it out.

Again, look at the advancements screen. It positions every advancement dynamically based on the advancements found during resource loading and they never overlap or have lines cross.

Correct.

If you had inadvertently linked the player inventory instead of your container inventory. When that happens, you get a very similar effect to your video.

Had to check.

Those aren't your only slots, are they.