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[1.15.2] Check offline player's advancements on client side


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Is it possible to check whether a certain player has completed an advancement, regardless of if that player is online or offline? Even better, I also need to get this information on the client side if possible.

Please provide example code if possible. Thanks in advance!

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Advancements are stored on the logical server. The information is specific to the save used based on the uuid of the player. Asking whether or not you could get the advancement on the logical client is pointless since that information can just be obtained by pressing the letter L on your keyboard (by default). If you want to know how, learn about networking and realize there is a ClientAdvancementManager that handles this information for you already and a packet that transfers information.

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4 hours ago, ZekNikZ said:

Even better, I also need to get this information on the client side if possible.

You cannot, unless the mod is also installed on the server, in which case you should use packets.

Some tips:


Modder Support:


1. Do not follow tutorials on YouTube, especially TechnoVision (previously called Loremaster) and HarryTalks, due to their promotion of bad practice and usage of outdated code.

2. Always post your code.

3. Never copy and paste code. You won't learn anything from doing that.



Programming via Eclipse's hotfixes will get you nowhere

5. Learn to use your IDE, especially the debugger.



The "picture that's worth 1000 words" only works if there's an obvious problem or a freehand red circle around it.

Support & Bug Reports:


1. Read the EAQ before asking for help. Remember to provide the appropriate log(s).

2. Versions below 1.11 are no longer supported due to their age. Update to a modern version of Minecraft to receive support.



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