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[1.15.2] Weird issues with syncing data to the client


Novârch

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I've created a custom entity that has a player as it's master, it's important to me to have this data on both sides for performing certain actions through packets, so I implement IEntityAdditionalSpawnData on it and write the master's entityID as an int and read it back on the client. This has worked perfectly for the last 17 entities I've made, but for some reason isn't working for the last one I made, this makes no sense as all of the entities inherit from a super class that calls the read and write methods, none of the child classes even override the methods. The debug.log I get can be found here, the entity's code here and the superclass that calls the read and write methods here.

It's sad how much time mods spend saying "x is no longer supported on this forum. Please update to a modern version of Minecraft to receive support".

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From a quick glance, I would suggest checking if the master is null.

Edited by DavidM

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Support & Bug Reports:

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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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7 minutes ago, DavidM said:

From a quick glance, I would suggest checking if the master is null.

I check if it's null before writing, where else should I check?

It's sad how much time mods spend saying "x is no longer supported on this forum. Please update to a modern version of Minecraft to receive support".

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9 minutes ago, Novârch said:

I check if it's null before writing, where else should I check?

You should try logging whether the value is null.

Currently, if the master is null, your write method wouldn’t do anything. I am suspecting that the master was never assigned (by accident).

Some tips:

Spoiler

Modder Support:

Spoiler

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TechnoVision (previously called Loremaster) and HarryTalks, due to their promotion of bad practice and usage of outdated code.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.

4. 

Quote

Programming via Eclipse's hotfixes will get you nowhere

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

6.

Quote

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:

Spoiler

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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36 minutes ago, DavidM said:

You should try logging whether the value is null.

Currently, if the master is null, your write method wouldn’t do anything. I am suspecting that the master was never assigned (by accident).

Just tried that, doesn't log anything, it isn't null and it most likely can't be null because in the two places that I call World#addEntity to add the entity the master is always set, and the entity is immediately killed if the master is null, as seen in this line.

It's sad how much time mods spend saying "x is no longer supported on this forum. Please update to a modern version of Minecraft to receive support".

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