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Strange behaivior with replicated splines

I"m having a very strange issue with replicated spline shapes. This only occurs on clients, where the spline seems to "dissolve" while loading. It doesn't dissapear entirely, rather it sort of...melts?

Here's a video showing what I mean: https://www.youtube.com/watch?v=3jdgC_eJZoY

I'm also getting this error in the console, which I think is a replication problem--but it's just a spline, I don't know how complicated it could possibly be.

LogNetPackageMap:Warning: FNetGUIDCache::SupportsObject: ChildActorComponent /Game/Maps/UEDPIE_1_Doors.Doors:PersistentLevel.BP_Spline_Component_Placement_C_1.ChildActorComponent_16 NOT Supported.

Product Version: UE 4.10
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asked Feb 19 '16 at 05:15 PM in Rendering

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avatar image jayice Feb 19 '16 at 05:16 PM

Attempted to view the video, but it is set to private.



avatar image Andyfilms Feb 19 '16 at 05:31 PM

Whoops, slipped setting the visibility. Try it now!

avatar image jayice Feb 19 '16 at 05:35 PM


Having messed with splines a bit, I've never seen this behavior. Are you attaching spline mesh components to the spline itself? Or perhaps I've never used a spline the way your trying too, and I don't know what too look for.

The reason I ask, as to what your attaching, the error message your getting, indicates that you are not using a Splinemesh component.



avatar image Andyfilms Feb 19 '16 at 05:43 PM

Thanks Jay. Because I'm just utilizing the spline as a path to spawn multiple objects, rather than a a mesh deformation tool, I've opted to use "add child actor component" instead of a spline mesh component to allow me to spawn blueprints instead of just meshes.

I am totally open to the idea that this is wrong and that there is a better way--that's just the best way I could come up with to do achieve this.

The blueprint I'm using for the spline is literally the exact one from the Content Examples, but with that one node swapped.

avatar image jayice Feb 19 '16 at 06:07 PM


Never have tried to attach an "actor" to a spline. This is not to say it cannot be done, I've only added spline mesh components, and they do not display the behavior you are seeing.

I'm digging around in some code, and will see what happens on attaching an "actor" of some nature.

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