Help me with modifying player inventory slot

Started by Ziadod on Tue, 10/14/2025 - 21:16

Topic category: Help with Minecraft modding (Java Edition)

So I have been 5 hours trying to figure out how to get a random slot in the player's inventory each time he breaks a block and apply the sharpness I enchantment on that randomly chosen slot if it has an item and not empty. It just won't work; no errors, but it won't work.
Can anyone tell me what is wrong with my code and how to fix it? Here is my code:

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so, in mcreator when you set an item to a variable, it actually copies it.

so you're not modifying the item by modifying the variable,

try using this block at the end,

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Thanks! This works, but I need help with something else, so here is my current code:
The issue right now is that if a player has a stack of items, like 64 of them, it gets replaced with just one enchanted item. I want the amount to stay the same and just get enchanted.

I also don’t want it to apply only Sharpness. I want it to pick from any enchantment available in Minecraft 1.21.1 and earlier. How can I make that work?

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you can set OriginalAmount to

maybe you can use this to get a random enchantment,

if not you can use a custom snippet,

if(!world.isClientSide()) {
			Optional<Holder.Reference<Enchantment>> enchantmentHolder = world.registryAccess()
					.lookupOrThrow(Registries.ENCHANTMENT)
					.getRandom(world.getRandom());
			if(enchantmentHolder.isPresent()) {
				ChosenItem.enchant(enchantmentHolder.get(), EnchantmentLevel);
			}
		}

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Alright, everything is working perfectly. Thank you for your help! I still have a few more questions about something else, but I’ll create a new post since this isn’t the right place for them.

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