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How do I add a Mesh to an AActor at runtime in c++ in Unreal Engine 5.3

For Unreal 5.0, 5.1 and 5.2 I used the following code to do this: ...
marc40000's user avatar
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0 answers
305 views

Unreal 5.2 - foliage texture missing in build

I'm working on a demo in Unreal 5.2 and I would like to share the build. I noticed that when I cook the build, the foliage is missing. In Project settings --> <...
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0 answers
292 views

MediaPlayer looping video freezes after 1st or 2nd loop

I am trying to make a VHS effect for my game in UE5, using a looping MP4 video for the user interface. The video just freezes after the 1st or 2nd loop during test in viewport. I tried to set ...
Jotunn's user avatar
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0 answers
104 views

What are the advantages of TWeakObjectPtr automatic nulling?

When you use TWeakObjectPtr to hold an Actor reference then the pointer variable is automatically nulled for you by GC when the <...
Kostej's user avatar
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1 vote
0 answers
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How to animate multiple animation blueprints offseting time for each instance?

I'm new to Unreal Engine and would like to get an effect similar to this one: The idea is to have an Animation BluePrint with data from a Live Link Pose node to start with. To achieve the effect, my ...
George Profenza's user avatar
3 votes
0 answers
165 views

What does SetGamePaused do internally?

I would like to implement changing game speed similar to RTS games (pause, 1x, 2x, 4x). For the faster times I can set bigger Time Dilation but for 0x time I would like to know if I can just use ...
Kostej's user avatar
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1 vote
0 answers
540 views

Issue Joining a Session Created Through EOS in Unreal Engine 5

I'm trying to build a Peer-2-Peer multiplayer game using EOS (Epic Online Services) Online Subsystem in Unreal Engine 5.1.1. The Setup: I configured my organization (product, application, client, ...
Elias Marrero's user avatar
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0 answers
82 views

GooglePAD and Chunking to Reduce .aab Size

I would like to upload a large Android game to the Play Store. My .aab file is about 1.3 GB in size. When I try to upload it to the Play Store I get the following error message: ...
Stout's user avatar
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31 views

How to make detail tab show information about clicked card?

I'm attempting to create a card game as a new Unreal Dev. Currently I have a UI for the board. That UI has children for the Hands, Field, and Card Details (A window to the side of the field that has a ...
GodelComplete's user avatar
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1 answer
29 views

How can I load symbols for Composure?

I'm trying to load symbols so I can use breakpoints in Composure scripts and see how they control the PostProcessing of the SceneCapture2D component (because of this problem), but breakpoints hit. I'...
starphan's user avatar
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74 views

Black space and incorrect lighting when capturing to Composure

I'm setting up a Virtual Production project and capturing from a camera to a Composure CG_layer. I then output this CG layer to a Render Target that I have assigned to a material on a virtual LED ...
starphan's user avatar
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534 views

How to provide an array of positions to Create Points Node via Blueprint variables?

I wanted to use the Create Points node from PCG to align objects in a certain way. For this I've created a variable in my Blueprint ArrayOfPosition with type Array ...
Fedor  Petrov's user avatar
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159 views

I can't manage to get Instantiate USerWidget from c++ in unreal5

I have a c++ UserWidget like this (sorry for some naming I renamed stuff a bit for post clarity) header ...
Crocsx's user avatar
  • 25
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0 answers
35 views

I'm new to Unreal, and I'm trying to make a physics based game using CableActor. However, my actors explode as soon as I start a simulation

Here's a video of what's happening: https://youtu.be/5uckTbNTGHI The cable starts swinging wildly, and the actors at the end of the cable fly off into infinity. Ideally when I start the simulation I ...
Ian Newson's user avatar
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1 answer
29 views

I want to have a light/lampshade hanging from a cable component, but when running the level the mesh and light fall to the ground

Here's a screenshot illustrating my setup: There is a cable component with attach start, want toand the cable itself swings fine. However I want to attach the cone to the floating end of the cable. I ...
Ian Newson's user avatar
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0 answers
24 views

Bullet spawning at world origin instead of muzzle socket on static mesh

I placed a socket called "Muzzle" on the end of my static mesh as shown here I have it so when I left click, my bullet should spawn on the muzzle socket, but for whatever reason, it spawns ...
desperrrr's user avatar
0 votes
1 answer
47 views

How to make a backdrop that supports different grid effects?

I am learning UE5 using a course on Udemy, and also trying to build a simple (as I thought) project of myself. The game is billiards with top-down perspective. I want to make a billiards table that ...
Eugene's user avatar
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98 views

How can I use TOctree2::FindNearbyElements to find static meshes that are near the target Static Mesh?

I successfully added all the static meshes to their nodes inside an Octree. But I can't seem to find the nearby elements. When setting up a breakpoint at ...
soembodyhere's user avatar
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40 views

Ease Sequencer Keyframes

In Blender, the "Automatic" keyframe handle type creates smooth and natural animation transitions. It automatically adjusts handle positions based on neighbouring keyframes and curve shape. ...
Candle's user avatar
  • 141
-1 votes
2 answers
238 views

Is Unreal Engine using Monte Carlo path tracing or similar methods?

Is Unreal Engine using Monte Carlo path tracing or similar methods in which efficient pseudo random number generators are crucial to make their renders? I know it is needed for typical renders, but if ...
Tom's user avatar
  • 101
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0 answers
276 views

How can I change MetaHuman pose and face expression without losing everything on autosave?

I uploaded a MetaHuman in a level. Then, I want to do changes its face, body and so on, in the same fashion as if you load an animate sequence. I want to control its facial expression with face ...
M.N.Raia's user avatar
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0 answers
209 views

For the EOS Online Subsystem, can my player sign up for an Epic Games account from the game, or does he/she have to do it from epicgames.com?

I am working on an Unreal Engine 5 game that would support Cloud Save functionality. I plan to use the Epic Online Services (EOS) Online Subsystem. I plan to publish it on iOS and Android for now, and ...
Stout's user avatar
  • 101
1 vote
1 answer
2k views

Trouble adding C++ actor component to blueprint in Unreal 5

I'm a veteran C++ dev, but so far I've only been working with blueprints in Unreal. I'm now attempting to mix the two. I have a blueprint actor I'd like to attach a component to, but the actor ...
Nightmare Games's user avatar
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0 answers
35 views

How do you render a square texture2d to a square render target in unreal using c++?

How do you render a square texture2d to a square render target in unreal using c++? or is there something in unreal similar to Graphics.blit in Unity?
Anning Wuwang's user avatar
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0 answers
64 views

Fortnite files structure - how to find quest description?

Fortnite files can be discovered with FModel. This is unreal engine project. I would like to understand how it works. For ex., I found the following record at AssetRegistry.json: ...
LA_'s user avatar
  • 101
0 votes
1 answer
171 views

Cannot access pawn from attached actor component

I have a pawn blueprint that contains some AI movement code, and looks like this: Now I'm attempting to move that functionality into an actor component so it's easily transferrable to other enemy ...
Nightmare Games's user avatar
0 votes
0 answers
739 views

How does the UE5 Control Rig Sphere Trace by Trace Channel Work?

I would like to use a control rig to correct the foot IK. First, I defined a function called "FootTrace" to detect the ground under the feet. In this function, I used "GetTransform-Bone&...
Nater's user avatar
  • 1
2 votes
1 answer
1k views

Variable "is not blueprint visible" in function library

I am trying to create a function that simply returns some hardcoded values so that I can use them in other functions within the function library. However, I'm getting the error: ...
Matt's user avatar
  • 375
0 votes
0 answers
1k views

How to remove flickering white pixels/fireflies from Unreal Engine render

I'm currently rendering an archviz scene in UE5.1 lit by lumen, but I'm struggling to remove these pesky over-bright pixels on areas which are very reflective or metallic: I have tried turning off ...
David Fitzgerald's user avatar
2 votes
1 answer
4k views

Triggering Enhanced Input Actions via inputs with modifier keys (Shift/Alt/Ctrl) in UE5

This question refers to the use of enhanced input in Unreal Engine 5. Whenever I say "modifier", I refer to modifier keys such as Shift, Alt, and Ctrl (rather than the Input Modifers such as ...
Simon Fischer's user avatar
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0 answers
121 views

Export fluid simulation from Unreal Engine

I’ve searched around, I can see different options to import Alembic animations for simulation from different software (e.g. Blender), but I see no options for exporting fluid simulation (Niagara fluid)...
mleu's user avatar
  • 13
0 votes
2 answers
107 views

Can I contribute code to an Unreal game without running the engine on my system?

I want to get into game programming, but my system can't run Unreal Engine. Another programmer I'm working with is using Unreal on his system, so I want to know if it's possible for me to code using ...
Aki Toby's user avatar
0 votes
2 answers
2k views

error creating a c++ project in unreal

I was working on some test project since I'm beginner in unreal engine, and I suddenly started getting this: ...
mleu's user avatar
  • 13
0 votes
1 answer
2k views

Unreal 5 Actor Can't Move

I have an Unreal 5 actor with some basic blueprints involving a "Simple Move to Location". I've created a NavMeshBoundsVolume, and both the actor and destination point are inside it. The ...
Nightmare Games's user avatar
0 votes
0 answers
1k views

Gpu crashed or d3d device removed

fellow StackExchange community. Probably everyone who has worked with Unreal Engine 5 has had this error. In general, it is associated with incorrectly configured video card drivers. But as my own ...
Nikita Struk's user avatar
0 votes
1 answer
716 views

Texture base color not showing for Unreal Engine auto material?

So on the right there's the item that needs to be in the auto material (the base color for snow) but it isn't showing up in the material instance. The node is in the proper group (also shown) Any ...
Tyler Dumond's user avatar
0 votes
2 answers
1k views

BeginPlay and Tick do not work for blueprint class inherited from C++ class

The problem is that the begin play and tick functions do not work in a blueprint inherited from a C++ class. If the blueprint does not inherit from a C++ class, then the functions work perfectly. ...
OMEGA's user avatar
  • 11
1 vote
1 answer
924 views

StaticMeshActors not Multiplayer Replicated in Unreal 5

I'm attempting to add multiplayer support to a new first person game we're working on in Unreal 5. Starting with the FPS template, it seems like the player and the gun both behave as expected across ...
Nightmare Games's user avatar
0 votes
0 answers
69 views

Analyzing audio in C++ / Unreal Engine 5 without plugins

This project is done in Unreal Engine 5. I would prefer doing this in C++ instead of Blueprints, but I'm open to any ideas. I am trying to take an audio file and create the data needed to make an ...
Bob's user avatar
  • 1
0 votes
1 answer
158 views

Imported IK Rigged FBX model into Unreal Engine makes the feet point in the wrong direction

Hi I have a model I rigged in Cinema 4d following the same structure as the UE5 mannequin that I've imported into UE. I am trying to setup retargeting however the animations have the feet pointing in ...
730wavy's user avatar
  • 101
0 votes
1 answer
925 views

Make Niagara System effect visible only on specific Render Target

I’m new to UE and don’t really know how to approach my problem, perhaps that’s why I couldn’t google a solution for it. So here’s what I want to achieve: I need a Niagara System effect to be only ...
user3272018's user avatar
0 votes
0 answers
58 views

Rotate the polycut by 90 degrees

If I want to make a hole in a vertical wall, I would use the polycut from the modeling toolbar, right? But the tool shows up in the horizontal plane, and if you want to rotate it, it seems like the ...
Eight Rice's user avatar
0 votes
1 answer
89 views

Mysterious light source

In 5.0.3, I removed all light objects from the project, including the skylight and any/all lightbulbs. Yet, there are two spots of light in my model, one on the floor and one on a wall. What might be ...
Eight Rice's user avatar
0 votes
1 answer
61 views

Textures only work on vertical surfaces

I'm trying to apply a megascan texture (hardwood) to a floor but it only looks right on vertical surfaces. If I apply it to a cube and rotate the cube, the texture turns weird on the horizontal faces ...
Eight Rice's user avatar
0 votes
0 answers
239 views

Edge Shader in UE5 with Triplanar Mapping

I am designing a LEGO brick shader in UE5 and wanted to add a scratch normal map to it. But I only want that scratch normal map to apply to where there is an edge to a mesh. The material uses ...
BlenderMaster15's user avatar
1 vote
0 answers
29 views

Execute both exec ports in the same frame

I made the following: Notice the [Button] node has two execute ports. The CLICKED exec port is executed when a button is clicked. The other exec port is supposed ...
clankill3r's user avatar
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0 answers
822 views

Client says they want Unreal scene viewable in a web browser 😳 last minute

I have a job that I did for a client and the client wants the project to be viewable in a web browser. I looked into it and all I found was people telling me that it's impossible, but this is a low ...
ChristianOConnor's user avatar
1 vote
1 answer
123 views

Trying to package an Unreal project for Windows but it builds the default demo fps map?

This is really frustrating but I made a complicated Unreal Engine level and it built the default FPS project. It didn't build a single asset in my scene. I would build the project by clicking ...
ChristianOConnor's user avatar
2 votes
0 answers
120 views

How can I write a fold expression in Unreal 5?

I'm trying to write a variadic function template that would fold a parameter pack over an expression in UE5. However, the compiler fails on the fold expression. Since my function is a little complex, ...
MetaZenithian's user avatar
0 votes
1 answer
62 views

Give the Volume of a Sound a Character is currently making

I'm looking to have a sound file drive the location of a bone or morph target, to create a basic form of lip syncing. Specifically, I'm looking for help getting the volume of the sound file as a float....
Candle's user avatar
  • 141