Developer Notes

This issue has been closed as 'Won't Fix' due to an extended period of time without updates. If this issue is important to you please let us know by posting on the AnswerHub or UDN, and Epic will re-open the ticket for further review.

Description

Spring Arm Component causes vehicle to jerk forward and backwards in a multiplayer environment.

Steps to Reproduce
  1. Create simple vehicle project (Blueprint only is fine)
  2. Open Sedan Blueprint and select the SpringArm Component
  3. Set bEnableCameraLag to true for Spring Arm Component
  4. Open build settings, make sure default map for server and client is VehicleExampleMap
  5. Make sure Online Subsystem is enabled
    DefaultEngine.ini
     [/Script/Engine.GameEngine]
     +NetDriverDefinitions=(DefName="GameNetDriver",DriverClassName="OnlineSubsystemSteam.SteamNetDriver",DriverClassNameFallback="OnlineSubsystemUtils.IpNetDriver")
     
     [OnlineSubsystem]
     DefaultPlatformService=Steam
     
     [OnlineSubsystemSteam]
     bEnabled=true
     SteamDevAppId=480
     
     [/Script/OnlineSubsystemSteam.SteamNetDriver]
     NetConnectionClassName="OnlineSubsystemSteam.SteamNetConnection"
    
  6. Follow attached screenshot for Create / Join session
  7. Build Project
  8. Run project on two computers, one press "J" to create session other press "K" to join session after first presses J.
  9. Drive car(s) around.

RESULT:
Vehicle will jerk forward and backwards.

EXPECTED:
Spring Arm Component with camera lag doesn't affect the vehicle.

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Won't Fix
ComponentUE - Networking
Affects Versions4.12.5
CreatedAug 11, 2016
ResolvedMar 26, 2018
UpdatedApr 27, 2018
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