experiment with UUID macros for entity/group selection instead of target selectors

[TheAfroOfDoom]

see discord thread for more details

not a fully fleshed out idea, just a thought. apparently you can use macros to inject UUIDs into where you'd normally place target selectors. something like?:

execute as @e[...] run ...

to

execute as 0-0-0-0-1 run ...

where 0-0-0-0-1 is the UUID of an entity.

[TheAfroOfDoom]

got this to work:

• add MUD datapack as dependency: 524a88c
• function call to store entity UUID to NBT/storage: 264784e#diff-d13cac265e6dfaad8497f7d4e95e8a49c162ec677c0de9deb32e6467c2c1acf2
• execute as entity using NBT-stored UUID: 7ef7e94#diff-6d8eb03b68019bdd7532d9d7046d7ecea70153fd17870b739292ad50cb9db4e1R1

https://github.com/TheAfroOfDoom/omega-flowey-minecraft-remastered/blob/7ef7e9482c7d4686ca8faab20dcf1ba36d639a0b/datapacks/omega-flowey/data/entity/functions/soul/soul_0/bandaid/locator.mcfunction#L1

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this should probably replace all our usages of group.id stuff

only worth the effort if profiling indicates that the group.id system leaves room for noticeable performance improvements