Changes in C++ are not recognized by the UE4

[HorusWM]

I dont understand why you want to avoid tick function? All update calcs like lerp must be there

[HorusWM]

What? "For Each Loop" node on your screenshot is "for (<T> T : Array)" in c++. What is not clear for you here? Mb I dont understand...

[HorusWM]

I'm not trying to be aggressive, but you should learn to use google search. Then you will find many answers much faster than waiting for them here. It...

[HorusWM]

Everything looks fine. Need to deal with what happens in the BeginOverlap event. If End event calls twice then you have twiced Begin event.

[HorusWM]

Mb you forgot to delete this call in blueprint? Also try to use AddUniqueDynamic - this can be the reason too (it depends on what is going on and between...

[HorusWM]

You need to check the collision details for the box collision comp and all actors it needs to overlapped and set the "Generate Overlap Events"...

[HorusWM]

//Some init function (BeginPlay for example)
{
    YourBoxPtr->OnComponentBeginOverlap.AddUniqueDynamic(this, &AYourClass::OnYourBoxBeginOverlap);

...

[HorusWM]

#include "Engine/UserDefinedStruct.h"
#include "YourStructs.generated.h"

UCLASS()
class YOURAWESOME_API

...

[HorusWM]

Because structs is meant to be a simple data holder. They are the fastest and more stable. UObject is subsystem for some more complex objects like Actors,...

[HorusWM]

I think he meant storing data of inventory items as UObject. Although, in my opinion, UStructs are better for this....

[HorusWM]

If a large number of objects are supposed to be in the camera, then, probably, the best idea for visualizing them would be to use Instanced Static Mesh...

[HorusWM]

Technically yes. There may also be a reason for the fact that the generator pointer refers to the object that was BEFORE the level was saved. So you can...

[HorusWM]

I don't think the problem is in the way of compilation. Have you tried testing your code without the "if WITH_EDITOR"?

[HorusWM]

Need to do 2 compilations in a row (sometimes 3) to UE4 accept C++ changes. Is it UE4 bug or I do something wrong? I faced this thing while working with...