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Mr-Craig / AsyncTickPhysics

Access UE5s Async Physics event using C++ or Blueprints
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ue5 crash #2

Closed benjdarling closed 2 years ago

benjdarling commented 2 years ago

Repro: Async Pawn has scene components using scene component blueprints Calling an update on the scene components to sphere trace into the scene via asyncpawn async tick update

Crash log:

Assertion failed: !bPostTickComponentUpdate [File:D:\build++UE5\Sync\Engine\Source\Runtime\Engine\Private\LevelTick.cpp] [Line: 907]

UnrealEditor_Engine UnrealEditor_Engine UnrealEditor_Engine UnrealEditor_Engine UnrealEditor_Engine UnrealEditor_Engine UnrealEditor_Engine UnrealEditor_Engine UnrealEditor_Engine UnrealEditor_CoreUObject UnrealEditor_CoreUObject UnrealEditor_CoreUObject UnrealEditor_CoreUObject UnrealEditor_CoreUObject UnrealEditor_CoreUObject UnrealEditor_CoreUObject UnrealEditor_CoreUObject UnrealEditor_CoreUObject UnrealEditor_CoreUObject UnrealEditor_CoreUObject UnrealEditor_CoreUObject UnrealEditor_CoreUObject UnrealEditor_CoreUObject UnrealEditor_CoreUObject UnrealEditor_CoreUObject UnrealEditor_CoreUObject UnrealEditor_CoreUObject UnrealEditor_CoreUObject UnrealEditor_Engine UnrealEditor_AsyncTickPhysics!AAsyncTickPawn::AsyncTick() [C:\Users\alexc\Desktop\AsyncTickPhysics\AsyncTickPhysics\HostProject\Plugins\AsyncTickPhysics\Intermediate\Build\Win64\UnrealEditor\Inc\AsyncTickPhysics\AsyncTickPawn.gen.cpp:23] UnrealEditor_AsyncTickPhysics!FAsyncPhysicsCallback::OnPreSimulate_Internal() [C:\Users\alexc\Desktop\AsyncTickPhysics\AsyncTickPhysics\HostProject\Plugins\AsyncTickPhysics\Source\AsyncTickPhysics\Private\AsyncTickCallback.cpp:19] UnrealEditor_Chaos UnrealEditor_Chaos UnrealEditor_Chaos UnrealEditor_Chaos UnrealEditor_Chaos UnrealEditor_Core UnrealEditor_Core UnrealEditor_Core UnrealEditor_Core UnrealEditor_Core UnrealEditor_Core UnrealEditor_Core UnrealEditor_Core UnrealEditor_Core kernel32 ntdll

benjdarling commented 2 years ago

update: appears it might be related to trying to "draw debug" on the traces

Mr-Craig commented 2 years ago

Yes thats the cause, you cannot use any of the DrawDebug functions outside of the game thread. You can still use traces but you cannot enable the Draw Debug option. If you really need the Debug lines I would suggest you call the Trace function inside a regular Tick or Timer Event and store the result inside a variable which can be used inside the Async Tick Event.