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Making an Item with an inventory.

Posted March 18, 20232 yr

I am currently trying to make a simple object, with no special rules, that lets you right click it, and open a chest like inventory.

After several days of looking around, viewing published sources from a few different mods and bouncing around the Forum looking for help, I have made zero progress. I believe I have the basic knowledge expected, but this task is seriously making me wonder. Help is wanted desperately. I am working in 1.19.2.

Edited March 18, 20232 yr by Valenwar
missing vital info

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March 18, 20232 yr

It's not something I have ever done myself.

I've done it with BlockItems like Shulker boxes, but that's different because vanilla has special handling for BlockEntity data stored in BlockItems.

I would suggest finding a mod that does something similar to what you want? e.g.

https://github.com/P3pp3rF1y/SophisticatedBackpacks/blob/cab406e07d10563f6fa648c1882dfad0ddde8cfd/src/main/java/net/p3pp3rf1y/sophisticatedbackpacks/backpack/BackpackItem.java#L284
The most important methods will be:

Item.use() -> opens the gui menu
Item.initCapabilities() -> adds an ItemHandlerCapability to the item's ItemStacks, i.e. an inventory

There is obviously more to it than this, but these are the basic entry points you can start from.

Maybe you can find a simpler example than sophisticated backpacks? 🙂

Boilerplate:

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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March 18, 20232 yr

Author

Thank you, I've looked into their mod source before, but the important methods helps. It is easy to get overwhelmed by an excess of information.

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March 18, 20232 yr

Author

For future reference to anyone else attempting this, the BundleItem might be a good place to start, it doesnt have a chest UI, but it does store items within.

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By VictorEvers · Posted 23 hours ago23 hr

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Making an Item with an inventory.

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