Questions tagged [unreal-5]
The unreal-5 tag has no usage guidance.
113
questions
0
votes
0
answers
15
views
clion.sh does not exist
I have Unreal Engine in Linux launched with ./UnrealEditor
This file here ...
- 1
0
votes
0
answers
9
views
Using Unreal Engine 5 PCG graph to spawn terrain altering blueprint actors causing loop
I am using a PCG graph to spawn in actors, which are blueprint stamps for the terrain height map. I believe the issue I am facing is that when the blueprints are spawned, they alter the terrain, which ...
0
votes
0
answers
45
views
Unreal engine running slow with lots of ram
Whenever I use unreal engine it runs at like 20 fps and when I play the game it gets even lower. I have 16 gb of ram and an intel i5 processor.
Why is it running so slow and how can I fix it?
0
votes
0
answers
8
views
Unreal Engine FDirectoryWatcherModule catching multiple events per file operation
I followed this post to implement a delegate on a directory that notifies me when a change has happened (add file, delete file or remove file).
This works fine, though the issue is that for each ...
- 101
-1
votes
0
answers
11
views
IDE cannot build task core minimal.h no such file directory [closed]
I am following udemy and created a cryptraider project I added a grabber component at first it worked fine I added some c++ code to that component bt now I added two more function in the c++ file but ...
0
votes
0
answers
10
views
Unreal Engine: How to edit the M_Athena_Terrain_IceBiome.M_Athena_Terrain_IceBiome material?
I'm using the snow landscape as described here:
https://www.reddit.com/r/FortniteCreative/comments/12100h0/terrain_materials_uefn/
This is the full path to the material:
/Script/Engine.Material'/Game/...
- 101
0
votes
0
answers
41
views
Viewport blurry when playing as character
In Unreal Engine 5, whenever I run the game, the viewport becomes very blurry with strange artifacting and twitching. This only happens when I'm attached to the player controller. If I eject from it, ...
- 141
0
votes
0
answers
33
views
How to move the bones of a model by just pressing a key in unreal engine 5?
I have the following problem. I need to be able to rotate a bone (any bone) in a model in unreal engine 5.3. I cannot use the timeline. For example, if I press the space bar then I would need the arm ...
0
votes
1
answer
16
views
In Unreal Engine 5, how do I include and use UPlayMontageCallbackProxy::CreateProxyObjectForPlayMontage in C++?
I want to play my UAnimMontage via C++, and in particular, want to make use of the conveniences of UPlayMontageCallbackProxy.
...
- 209
0
votes
0
answers
121
views
How to extract ucas and utoc io store container files in unreal engine 5
I tried to use different programs for this, such as fmodel and UnrealPakViewer, but fmodel does not support ucas and .binka audio files. UnrealPakViewer can open ucas and I can see files in it, but I ...
0
votes
0
answers
46
views
UE5; fatal error: CoreMinimal.h: No such file or directory
I am leaning to use UE5 and am following this tutorial : https://www.youtube.com/watch?v=KQgOqyYoHAs
However, when I try to compile a simple pawn class on vscode, I am given the error: "...
0
votes
0
answers
30
views
How can i move actor's bounding box center in relative location in Unreal Engine 5?
This is my situation. I need align the center of the object (it's box) and the center of the scene component. I have only center of the box TVector type or FVector. How can i do it?
...
0
votes
0
answers
41
views
Wrong initial level loaded for packaged build
I am having an issue with Unreal Engine 5.2 initially loading "Temp/Untitled_0" as the level before loading the actual default level that I have set in project settings. I have the editor ...
- 237
0
votes
0
answers
107
views
Anim notifies not working in unreal engine
. I think I have setup things needed to fireoff a custom AnimNotify, but, for some reason, custom notifies don't fire off. The premade notifies for playing sounds etc, fire off okay. But, this notify ...
- 13
0
votes
0
answers
35
views
How to handle the access token to use across the game sessions
I've successfully implemented a login system using Blueprint and the VA Rest plugin in Unreal Engine. After the login, I obtained an authentication token, but I'm currently facing a challenge in ...
- 101
0
votes
0
answers
40
views
Unreal 5.3 ignores changes in Visual Studio Code
I’m using Unreal 5.3 on Ubuntu 23.04 “Lunar.” I’m not using Windows (I really can’t stand it), and there is no Visual Studio on Linux. (It's not even supported by Wine.) But we have VS Code, the ...
- 101
1
vote
0
answers
26
views
How to blend 2 different metahumans seemlessly during animation
I'm new on this site so please let me know if this is the wrong section to post to.
I have an idea for a whole bunch of animations revolving around 2 semi-identical twins that live in the same body. I ...
- 11
0
votes
1
answer
40
views
Static Niagara System for fire on a torch
I'm building a Niagara System for fire and smoke that would be placed on a torch when it's lit. While smoke works just fine when it's static, when I move the camera (and so the torch itself moves too) ...
- 13
0
votes
0
answers
89
views
Stuck trying to build UE for iOS on Mac
I am trying to build an AR game for iOS, using a custom build of Unreal Engine 5.1.1, on an Apple Silicon (M1 Max) Macbook Pro.
(I have to use a custom branch of UE5 because there is a problem with ...
- 101
0
votes
0
answers
41
views
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:
...
- 163
0
votes
0
answers
120
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 --> <...
- 105
0
votes
0
answers
89
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 ...
- 1
0
votes
0
answers
81
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 <...
- 33
1
vote
0
answers
35
views
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 ...
- 634
2
votes
0
answers
100
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 ...
- 33
1
vote
0
answers
241
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, ...
0
votes
0
answers
62
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:
...
- 101
0
votes
0
answers
27
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 ...
0
votes
1
answer
25
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'...
- 1
0
votes
0
answers
53
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 ...
- 1
0
votes
0
answers
256
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 ...
- 101
0
votes
0
answers
112
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
...
- 21
0
votes
0
answers
30
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 ...
- 101
0
votes
1
answer
18
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 ...
- 101
0
votes
0
answers
20
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 ...
- 97
0
votes
1
answer
43
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 ...
- 103
0
votes
0
answers
51
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
...
0
votes
0
answers
31
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.
...
- 141
-1
votes
2
answers
163
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 ...
- 101
0
votes
0
answers
176
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 ...
- 101
0
votes
0
answers
136
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 ...
- 101
1
vote
1
answer
886
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 ...
- 249
0
votes
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?
- 101
0
votes
0
answers
40
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:
...
- 101
0
votes
1
answer
66
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 ...
- 249
0
votes
0
answers
55
views
Strange edge seams when subtracting a cylinder from other shapes
I'm just starting with UE 5.1 and I'm noticing weird behavior when I use cylinder to subtract from other shapes. I tried adding more sides to make it smoother but these weird artifacts still persist ...
- 101
0
votes
0
answers
398
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&...
- 1
2
votes
1
answer
566
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:
...
- 375
0
votes
0
answers
36
views
Realtime water UE5
I want to implement a small VR game where by pressing the LMB the character will create an invisible object that will push the water in front of him. With which plugin can this be implemented? We used ...
- 1
0
votes
0
answers
698
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 ...