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Moving PlayerStart around a map breaks the Timeline in my BP

I have a simple multiplayer server authoritative Day/Night cycle BP derived from Actor. The BP has references to a Directional Light, Sky Sphere, Skylight, Replacement Horizon Color map, Replacement Zenith Color map, and Exponential Height Fog that I pick as default values in the editor. Everything works great until I take one of the following actions:

  • Drag the Player Start to a different location on the map in the UE4 Editor

  • Add or remove a Player Start

  • Change the Game Mode to another Game Mode and then change it back.

After taking any of the above actions the timeline in the Day Night cycle BP that rotates the directional light, refreshes the Sky Sphere and Skylight, and changes the fog level stops ticking. I can always fix this issue by removing the DayNight BP from the map, adding it back, and re-selecting the references to the directional light, sky sphere, skylight, etc.

I am about to dive in to the code to see what is so special about a Player Start, but was hoping someone else might have an idea why something that seems completely unrelated might be connected.

Thanks!

Product Version: UE 4.13
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asked Nov 20 '16 at 06:44 PM in Blueprint Scripting

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Dartanlla
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I found the answer. Moving the player start, adding or removing a player start, or making changes to the game mode all make my multiplayer Day Night Cycle BP not relevant for replicating. I ticked the "Always Relevant" setting on the Day Night Cycle BP and now it works!

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answered Nov 20 '16 at 07:18 PM

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Dartanlla
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