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Making an Item with an inventory.


Valenwar

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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 by Valenwar
missing vital info
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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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