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Questions - unreal-engine4

C++ bit field member variable initialization value (UE4 example)

I'm wondering what value a bit-field class member variable will have if it is not explicitly initialized. Using an example from unreal engine 4.27: //member variable of UPrimitiveComponent //there are...
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badger5000

c++

initialization

unreal-engine4

bit-fields

Votes: 0

Answers: 1

Latest Answer

Dug a little bit deeper, so I'll try to answer this myself. I believe that for a normal C++ class it would be undefined behaviour as I cannot find any info suggesting otherwise for bit-fields specific...
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badger5000

C++ camera component can't look up or down

I replaced the standard blue print camera with a c++ version so it works with my other functions that have been converted to c++ m_camera = CreateDefaultSubobject<UCameraComponent>(TEXT("ca...
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programstudent1

c++

unreal-engine4

Votes: 0

Answers: 1

Latest Answer

Check your values for UseControllerRotation To see details for the camera it has to have a metatag EditAnywhere in the .h UPROPERTY(EditAnywhere) UCameraComponent* m_Camera
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SzymonO

How do I use BindDynamic in my code? Type name not allowed

I am trying to follow a UE4 tutorial on how to use timelines in C++. However, when I try to use BindDynamic, the option to do so does not show up. An error "type name is not allowed" keeps s...
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Obnoxigen

c++

compiler-errors

unreal-engine4

Votes: 0

Answers: 1

Latest Answer

Try like this: UpdateFunctionFloat.BindDynamic(this, &AMyCharacter, UpdateTimelineComp); -> UpdateFunctionFloat.AddDynamic(this, &AMyCharacter::UpdateTimelineComp);
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user10606240

How to get the size of an array of objects? - No instance of overloaded function &quot;std::size&quot;

I'm running into a problem with C++ that should have an easy solution, but nothing I've tried yet seems to work. How do I go about getting the size/number of elements of an array if both std::size() a...
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FrootLoopEdibles

c++

arrays

size

unreal-engine4

sizeof

Votes: 0

Answers: 1

Latest Answer

static FSring Words[]; When your C++ compiler processes this declaration this is the only thing this declaration specifies: Words is an array of some unspecified size. By definition it's size is not ...
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Sam Varshavchik

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