Change stack size globally | Datapack Hub | Page 1

tulip gulch Mar 12, 2026, 1:41 PM

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Is it possible to change stack size of a item without modifying every loot table with it

spice bisonBOT Mar 12, 2026, 1:41 PM

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tulip gulch Is it possible to change stack size of a item without modifying every loot table...

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sick sail Mar 12, 2026, 2:03 PM

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You can modify every stack that appears in a player's inventory or on an item entity

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But otherwise no

tulip gulch Mar 12, 2026, 2:25 PM

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So I want to make the stack size 1
Can I make an item tag
And spread the items in the tag in the inventory so I don't have to make advancement for every item

sick sail Mar 12, 2026, 2:29 PM

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Not sure what you mean by the last time, but yes you should make an item tag to handle all the times you want to change the stack size of

tulip gulch Mar 12, 2026, 2:31 PM

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What I meant if I pick up 3 apples how do I make them spread out in the inventory instead of turning into one

sick sail Mar 12, 2026, 3:18 PM

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If the stack is greater than 1, summon a new item entity, copy the stack's data to it but with a count of 1, and decrement the original stack's count

wise tendon Mar 12, 2026, 8:53 PM

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Or modify the loot table of leaves and some chests to have the max stacksize already set. For apples that isn't a super large amount of loot tables

tulip gulch Mar 12, 2026, 8:54 PM

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I wanna do it for all food so its probably better to do the generalised solution

sick sail Mar 12, 2026, 10:49 PM

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wise tendon Or modify the loot table of leaves and some chests to have the max stacksize alr...

And doing this for chests can still sometimes result in stacks greater than 1

tulip gulch Mar 13, 2026, 8:46 PM

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Would it be to laggy to do on dropped items?

sick sail Mar 13, 2026, 11:23 PM

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It could become, but if done well you can probably manage it

tulip gulch Mar 14, 2026, 12:35 AM

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how can I detect items without custom data with advancements

sick sail Mar 14, 2026, 12:41 AM

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What

tulip gulch Mar 14, 2026, 12:43 AM

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So I want to make an advancement that detects if an item has a food component
and it doesn't have custom data like {item_changed:true}

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but now that I think about it I'm just gonna remove food component entirely

sick sail Mar 14, 2026, 1:16 AM

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Okay

tulip gulch Mar 14, 2026, 3:48 PM

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I'm not quite sure how to edit the picked up item
I have advancement that triggers when food is picked up but I dont know how to target the item without checking every inventory slot

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and how to copy its data to /give or something

sick sail Mar 14, 2026, 3:54 PM

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You do need to check every inventory slot. You copy it to the item entity with the item replace command

tulip gulch Mar 15, 2026, 2:59 AM

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can I procedurally copy nutrition value to regeneration length in ticks in consumable tag

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so I dont have to make it one by one

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so bread would give you 2.5 hearts

sick sail Mar 15, 2026, 3:31 AM

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I don't understand

tulip gulch Mar 15, 2026, 3:36 AM

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bread restores 5 nutrition
so when you pick it up I want it to looses the nutrition value and get 5 ticks of maxed out nutrition so it would regenerate 2.5 hearts

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I know how to get this food with commands

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but I want to generalise that so I dont have to make adnvancement for every food

sick sail Mar 15, 2026, 4:22 AM

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I mean I guess you could use macros but that sounds kinda dumb

tulip gulch Mar 15, 2026, 4:56 AM

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why

tulip gulch Mar 15, 2026, 1:14 PM

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Woudnt it future proof it?

sick sail Mar 15, 2026, 2:14 PM

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Technically

tulip gulch Mar 15, 2026, 2:39 PM

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So its overcomplicated or what

wise tendon Mar 15, 2026, 3:38 PM

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You can also use (beet/bolt) templates.

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Macros aren't the best for performance, hardcoding most foods would in some cases still be preferable.

You probably could also just work with a fake player score that an item modifier can reference.

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The latter is almost the same as a macro, but a lot cheaper for performance.

#Change stack size globally