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set_pinv(pinv()) clears EntityTag values #1349
Description
Activity
This is not currently supported by Bukkit, which is not surprising. (though Paper has limited support for ArmorStandMeta) We'd have to bypass the API to get into the nbt. Could optionally support armor stands when on Paper.
I was about to make a new issue regarding a similar problem I am having, but I think it would be virtually a duplicate of this, so I'm simply bumping this one and adding my issue info here
https://discord.com/channels/446057847428481044/623194282727178260/1151596460773744680
This is a separate issue. Entity tags are when entire entity data is stored directly in an item.
Currently entity tags affect the following survival item meta:
- Bee Hive/Nest (2024-11-10: only beecount is supported)
- Axolotl Bucket (only custom name and axolotl type are supported)
- Tropical Fish Bucket (only custom name, fish color, pattern and patterncolor are supported)
Less critically, this also affects these custom spawned or creatively copied items:
- Spawn Egg
- Item Frame
- Armor Stand
Current thought is to encode the internal entity tag compound. This would require using internal Minecraft methods, though. It'd be similar to what Bukkit does with their serialize() method.
CommandHelper seems to not support EntityTag for ItemStacks, resulting in that information being lost when updating the inventory using:
I guess this is similar to #1343 (BlockStateTag)
Tested on:
Test item 1:
Places an invisible item frame.
After
set_pinv(pinv())it will remove the invisible tag and place a normal item frame. Also applies to glow_item_frame.Test item 2:
Looks like a polar bear spawn egg but spawn an iron golem named Jerry. right-clicking a spawner makes it an iron golem spawner.
After
set_pinv(pinv())it turns into a normal polar bear spawn egg.With 1.20 experimental features we now have a vanilla iron_golem_spawn_egg item (and other previously unobtainable eggs), which don't use EntityTag. But this tag can still be used to make the spawned mob have specific traits.
Test item 3:
When placed during the day, 3 bees come out of the hive.
After
set_pinv(pinv())it will remove all the bee information, creating an empty hive. When placed during the day no bees come out.This item can be obtained in vanilla survival using a silktouch enchanted tool.
Having access to this tag could allow us to check how many bees are in the beenest/hive item.