Netcode Hooks

[Neodamus]

In UNet, it was possible to use hooks on client to signal when a SyncVar changes on server and thus changes client value: Unity - Scripting API: Networking.SyncVarAttribute.hook
This allowed a method to be called when a value on a client changes, very useful.

In Netcode, I’m not seeing an obvious/built-in way to signal on a client that a field value of a ghost on client has been changed due to being changed on server.

Am I missing something, or does this need to be built by us at this time?
If it needs to be built on our end, any suggestions on what the best path for this might be?

[Kender]

I use a cached copy of the component’s value and compare it to the synced component framely

[Neodamus]

Thank you Kender. That is one method I considered, so it’s good to hear someone else is already using it.

[WAYNGames]

That seems to be a candidate for reactive systems :

Reactive System - Generic way ?

This version works with empty component. (note: with empty component we don’t check for change in value as tehre is none). There was no change to the interface. you can drop in the new abstract system in place of the old one and all should work. using Unity.Burst; using Unity.Collections; using Unity.Collections.LowLevel.Unsafe; using Unity.Entities; using Unity.Jobs; public interface IComponentReactor<COMPONENT> { void ComponentAdded(ref COMPONENT newComponent); void ComponentRemoved(…

[Neodamus]

@WAYNGames

That seems to be a candidate for reactive systems :

https://discussions.unity.com/t/797563/30

Thanks so much for this. I had created something temporary, but your solution here seems more robust and well thought-out than what I’ve already implemented.

I will likely use this in the future as the project grows and more reactive systems are needed.

[WAYNGames]

@Neodamus

Thanks so much for this. I had created something temporary, but your solution here seems more robust and well thought-out than what I’ve already implemented.

I will likely use this in the future as the project grows and more reactive systems are needed.

Happy to help, feel free to use it however you like. If you find any issue or if you have any suggestions please to contact me