how to config a update filter in unity ecs | Official Unity Discord | Page 1

last wraith May 22, 2023, 7:07 PM

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hi i 'm coding a server-client system, in unity ecs netcode has WorldUpdateFilter allow the system only update in exacly world. So how to do the same in custom world.

lavish grove May 22, 2023, 9:03 PM

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Set the system you want to update in to [DisableAutoCreation]. Then when creating your custom world, use world.CreateSystem<>() which will properly place the system in the group you specified (in addition to [DisableAutoCreation] attribute).

last wraith May 23, 2023, 6:11 AM

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wow, nice solution

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so there is no atr solution for this right

remote shuttle May 24, 2023, 5:25 AM

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You could implement your attribute and pass enum or string and then while creating world collect all system types and filter them by concrete world

green copper May 24, 2023, 7:30 PM

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rather than CreateSystem, when creating a custom world with ICustomBootstrap i think it's a bit better to use DefaultWorldInitialization.GetAllSystemTypeIndices to get your list of systems, add your system type indices to the list, and then use TypeManager.SortSystemsInCreationOrder to sort them by CreateAfter/CreateBefore attribute, and then DefaultWorldInitialization.AddSystemsToRootLevelSystemGroups

#how to config a update filter in unity ecs