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Read property on GameModeBase from GameStateBase

I'm new in Unreal development. I have a question: I have created an object on my GameModeBase class. It is legal access this object from GameStateBase class? I don't know if there is a good practices manual.

I'm developing Pong game with C++ only and I have created the ball in GameModeBase. I need to access it from GameStateBase to start move it when user press Spacebar.

But... I don't know how to get access to GameModeBase from GameStateBase.

I get an instance of GameModeBase this way:

 UWorld* const world = GetWorld();
 if (world)
     ABall* ball = (Cast<AMyPongGameModeBase>(world->GetAuthGameMode()))->CurrentBall;

Maybe I'm think about how to do it instead of doing it.

Product Version: UE 4.14
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asked Feb 21 '17 at 04:07 PM in C++ Programming

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