Unreal Engine 4 is a game engine created by Epic Games. Use this tag for programming related questions. For non-programming related questions, use https://gamedev.stackexchange.com/.
I'd like to implement something like UPROPERTY() macro in my project, but I cannot find any references of what it actually is. I mean, there're are tutorials on how this macro works, but these are just use cases.
How does the compiler know that…
I'm trying to build my first Unreal C++ project on Linux.
I built the engine from source in accordance with "Linux Quick Start" guide. Then I installed Qt Creator and followed the "How to Set up Qt Creator for UE4" guide.
I successfully set up and…
For example,
const char* bytes = "somemultibytecharacter一些宽字符";
size_t n = strlen(bytes);
How to convert bytes to FString or TCHAR* in Unreal Engine C++ code?
I know I can convert with std::mbstowcs or MultiByteToWideChar, but I'm trying to find a…
OS:
Manjaro Linux 4.19.28-1-MANJARO
I have some problem about ld in UnrealBuildTool. and I'm everything new about all Unreal Stuff.
A week ago, I was found some Unreal-based Opensource project. released binary version is working perfectly. But it…
I want to do this:
Create and package original game. Then I want to create additional PAK files with new meshes/sounds/animations and blueprints based on blueprint in the original game. Original game should not know anything about additional…
I am working on an Unreal based open-source UAV simulation (Microsoft AirSim) where I am trying to capture and save images from a camera that's attached to the drone. The image underneath gives an idea of how the game looks like. The rightmost view…
Unreal Engine generates following function:
void AFlyingPawn::SetupPlayerInputComponent(class UInputComponent* InputComponent)
{
//stuff...
}
Notice the "class" specifier before the parameter's type. What does it mean?
I seem to be misunderstanding how to implement overlap events on my components. I've created a USphereComponent to follow my character. It's designed to fire overlap events on other nearby Actors that are within the player's…
I am getting started with Unreal Engine 4. I come from Libgdx and I am familiarized using WebSockets clients in my games and NodeJS with 'ws' on the server.
How ever, I can't find information about Websockets and Unreal Engine 4.
I know that given…
Happy Thanksgiving,
First of All, I have been searching to know if Visual Scripting is a new thing that have been made for game engines.
Let me show you some example of visual Scripting
the other thing is just regular coding like writing c++ code…
I would like to use some external libraries in UE4, specifically libCPR to do some web scraping. I am new to ue4 and am having a lot of trouble finding out where to start, I saw some references to using plugins to import third party libraries but I…
An error occurred while trying to generate project files.
Some Platforms were skipped due to invalid SDK setup: Mac, IOS, Android, Lumin.
See the log file for detailed information (/Users/sidd/Library/Application…
I tried install UE5 to my MacBook Pro m1. When I try create new project I got this error.
ERROR: Unable to find a valid SDK for Mac. Found Version: 13.0. Must be between 11.0.0 and 12.9.9
If your Studio has it set up, you can run this command to…
When I try to launch a Vr project from Unreal Engine 4.7 to my Oculus Quest 2 I the following error:
The following annotation processors are not incremental: lifecycle-compiler-2.0.0.jar (androidx.lifecycle:lifecycle-compiler:2.0.0).
LogPlayLevel:…
I need to find all hit points (vertices) when my meshes collide since with OnHit there is only one Impact point in the structure and there is only one (red debug sphere). Is there any way to do this? (for example in Unity collision struct has an…