#updating from 1.20 to 1.21

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sudden wing
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someone made a datapack i really like but they completely rehauled the datapack and i like the older version better so i need help making this datapack a 1.21 one. (i know formats have changed a lot in 1.20 i have each version)

📎 enchantment-plus-v3-1_1-20-4.zip
toxic harnessBOT
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toxic harnessBOT
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Requested by kirito_and_asuna
snow forgeBOT
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Updating Datapacks Past 1.21

1.21 renamed many folders that make up a Minecraft datapack, breaking virtually all datapacks from prior versions. Now, all folders which previously had plural names, except tags, now have singular names.
Below is a list of all folder names changed in 1.21:
structures -> structure
advancements -> advancement
recipes -> recipe
loot_tables -> loot_table
predicates -> predicate
item_modifiers -> item_modifier
functions -> function
tags/functions -> tags/function
tags/items -> tags/item
tags/blocks -> tags/block
tags/entity_types -> tags/entity_type
tags/fluids -> tags/fluid
tags/game_events -> tags/game_event

grand jay
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well, first you need to rename the folders, and then you need to update all the commands where there are nbt items to components.

sudden wing
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i leave the "nbt" like that right?

image.png
unique quiver
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No, in 1.20.5 MC switched to “components”.

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Just a quick question, have you ever made a datapack before this?

sudden wing
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yeah but it was a really simple one im a c# dev

sudden wing
sudden wing
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like this?

image.png
grand jay
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what's with the format, why are the brackets backwards

sudden wing
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its a json file in the notes app im resetting up vusial studio rn

sudden wing
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is this right?

image.png
grand jay
sudden wing
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how do i add an object?

image.png
prime geyser
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You have to edit the json manually

sudden wing
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ok

prime geyser
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So where you see "minecraft:custom_data":{} in the json, just put the custom data you want inside the {}, but make sure it’s in json format (basically make sure it’s "key":value and not key:value)

sudden wing
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whats this?

image.png
prime geyser
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Where is this in the advancement?

sudden wing
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enchantment-plus-v3-1_1-20-4\data\enchantmentplus\advancement\custom

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i think its because i didnt do the "enchantment-plus-v3-1_1-20-4\data\minecraft" folder yet

prime geyser
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in the advancement

sudden wing
untold rapids
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Yeah that probably doesn't have a supported predicates field

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You need to use components for that

grand jay