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PreyK / Unreal-Minimum-Viable-Flecs

Minimum viable Flecs entity component system implementation in Unreal Engine.
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Doesn't work on Unreal Engine 5.3 #3

Closed joshuarobs closed 1 year ago

joshuarobs commented 1 year ago

I downloaded this project, then I tried to open it in UE 5.3, it said it's a 5.1 project, so I opened a copy of that original as it suggested, then it says FlecsLibrary and FlecsTest are missing or built with a different engine, so I press "Yes" to rebuild them.

Then I get a popup saying FlecsTest could not be compiled. Try rebuilding from source manually. I press ok, and nothing happens.

Am I missing something here? I'm new to Unreal Engine and new to Flecs

joshuarobs commented 1 year ago

Credit to Megafunk from the Flecs discord for this solution

You have to do some changes to the code because its using outdated removed API regarding the Ticker

FlecsTest > FlecsSubsystem.h | Line #63 From: FDelegateHandle OnTickHandle; To: FTSTicker::FDelegateHandle OnTickHandle;

FlecsTest > FlecsSubsystem.cpp | Line #6 From: OnTickHandle = FTicker::GetCoreTicker().AddTicker(OnTickDelegate); To: OnTickHandle = FTSTicker::GetCoreTicker().AddTicker(OnTickDelegate);

FlecsTest > FlecsSubsystem.cpp | Line #64 From: FTicker::GetCoreTicker().RemoveTicker(OnTickHandle); To: FTSTicker::GetCoreTicker().RemoveTicker(OnTickHandle);

Would be good if someone were to make the pull request since idk how to do it myself

PreyK commented 1 year ago

Thanks for the report! Just ran into this myself as I'm upgrading my projects to 5.3 Will make an update soon.

PreyK commented 1 year ago

Fixed, feel free to reopen this if you experience 5.3 related issues.