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Questions tagged [unreal-5]

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How does Unreal Engine 5's Nanite work?

I have seen Unreal Engine 5 showcasing their Nanite system a long time ago. Like everyone, I was impressed. Since this is something that would revolutionize the gaming industry, I expected it to come ...
silver takana's user avatar
2 votes
1 answer
64 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
  • 365
2 votes
1 answer
339 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
2 votes
1 answer
227 views

Porting Plugins from UE5.0 to UE5.1 source build causes DLL Registration Errors

I built UE5.1-Main from source successfully. I'm trying to port my UE5 marketplace plugins, but when I launch the editor I get these errors for all my ported plugins. I suspect it might have something ...
Tyler's user avatar
  • 123
2 votes
1 answer
849 views

Can UE5's Nanite be applied to the low poly aesthetic?

It sounds like a bit of a stupid question; why would anyone want technology for triangle-per-pixel rendering in a low poly aesthetic game? The answer is that Nanite offers continuous LOD with high ...
smallobsession's user avatar
2 votes
0 answers
75 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
1 vote
1 answer
83 views

Can I upgrade Unreal 4.27 to 5?

I tried to get Unreal 5 directly but I couldn't, the only option on the table was unreal 4.27, can I upgrade to 5 after 4.27 or do I need to consume another 20 gigs for 5?
KiynL's user avatar
  • 111
1 vote
1 answer
38 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
1 vote
1 answer
159 views

Where to Save Health on Character with Behavior Tree - UE5

I've looked but havn't been able to find a the workflow for this searching online. I have an NPC, with a behavior tree. Right now it just moves around the map. It's supposed to have a health variable, ...
Smail's user avatar
  • 141
1 vote
2 answers
2k views

BlueprintCallable functions not appearing in Blueprint - UE5

Only just started working with Unreal Engine 5 and I have an issue were my BlueprintCallable functions are not appearing/callable in the blueprint. I dont have the same issue with Unreal Engine 4. ...
LavsTo's user avatar
  • 41
1 vote
0 answers
26 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
1 vote
0 answers
180 views

How to add oblique frustum (lens shift) to UE5 camera?

I want to make a game with an oblique frustum instead of a standard frustum. Unity camera has lens shift option for an oblique frustum. But UE5 does not have such thing. In this Unity document, I can ...
landings's user avatar
  • 111
1 vote
0 answers
145 views

Unreal 5 and Maya 2020 not matching scale despite both defaulting to centimeters

Effectively 100 units in Maya set in centimeters = 1 unit in Unreal Engine set to centimeters I've been in a school project last year and am about to embark on another on UE5, and I'd like to find out ...
VegetableStu's user avatar
1 vote
0 answers
94 views

Clothing mesh penetrates character when imported into Unreal

I'm trying to import a .fbx file with animation from Maya, but the mesh has changed at some specific frames automatically, which makes my character intersect with the cloth. The mesh itself does not ...
EdwardW's user avatar
  • 11
1 vote
0 answers
122 views

What are the limitations or downsides of using Procedural Textures extensively?

Are there negative consequences to making heavy use of 'procedurally generated textures' in Unreal Engine 5, as opposed to normal textures? I found some info in the docs that it 'saves memory', but ...
Smail's user avatar
  • 141
0 votes
2 answers
80 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
1 answer
39 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
197 views

Template projects missing after updating to Unreal Engine 5.0.3

I just recently upgraded to Unreal Engine 5.0.3 and I cannot find different templates on the start window: Previously there were many templates, like for a third person project, top-down, hand held ...
mleu's user avatar
  • 13
0 votes
1 answer
1k views

Unreal Engine 5 does not use shared VRAM

I have a HP Pavilion laptop with an integrated Intel Iris GPU, as well as a dedicated Nvidia Geforce MX 450. The Nvidia has a dedicated 2 GB VRAM, and the the two cards share an additional 16 GB of ...
Igor Trujnara's user avatar
0 votes
1 answer
136 views

Metaverse Game - Scam?

I hope you can help me. I have invested in a metaverse game project which claims that 5 people are working full time on the project for 2 years already. Unfortunately in the last couple of days one ...
VoOu's user avatar
  • 1
0 votes
1 answer
29 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
0 votes
2 answers
601 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
137 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
1 answer
53 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
153 views

How do I accomplish viewing a 2D game board in 3D space?

So I'm making a 2D board game in 3D space and I don't want to use paper2D because I'm not really using sprites. What I want is to be able to make a grid of cubes positioned such that I can have a ...
Josh Sanders's user avatar
0 votes
1 answer
324 views

How do I get a directional light's (e.g. Sun's) Y axis position in a UI Widget in Unreal Engine?

I have a UI widget that will be tracking the in-game position of the sun (bottom left corner). When I try to get the sun's position, it can't find the sun actor even though (I think) I have a ...
bynary's user avatar
  • 103
0 votes
1 answer
956 views

Level Instance Blueprint Option Hidden UE5

So, here’s the deal. I’m trying to make level instance blueprints with Megascan assets (i.e. group them and convert to a single blueprint), but when I select them all and right-click, I can’t find the ...
BlenderMaster15's user avatar
0 votes
0 answers
16 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. ...
Smail's user avatar
  • 141
0 votes
0 answers
18 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
  • 101
0 votes
0 answers
22 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
0 votes
0 answers
15 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
0 votes
0 answers
9 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
0 answers
87 views

Marching cubes with binary voxel data

I'm implementing a destructible terrain in my game and so far I've managed to create chunks that hold blocks which are in a 3D Array of ints that represent the Block IDs. So far I've implemented the ...
MikeS's user avatar
  • 21
0 votes
1 answer
26 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
50 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 ...
Wiizl's user avatar
  • 101
0 votes
0 answers
49 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
0 votes
0 answers
28 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 ...
yolka's user avatar
  • 1
0 votes
0 answers
116 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
0 votes
0 answers
33 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
0 answers
17 views

Is it possible to make material in unreal that will scale alpha so i wont use blender for that

Can material i show below be edited to just stretch face? I just don't want to do what i did in blender to each tree or bush. Here's an image of trees that use billboard to follow camera They use UV ...
SXNXSLW's user avatar
0 votes
1 answer
109 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
213 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
0 answers
15 views

I am unable to launch unreal engine with epicassetmanager

When I first installed epic asset manager on my linux machine I could use unreal engine perfectly, but now when I launch nothing happens. It says it has launched and nothing appears in the log. I have ...
sprostopia's user avatar
0 votes
1 answer
101 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
163 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
  • 1
0 votes
0 answers
24 views

There's no "level sequence" item in the animation menu

Trying to film some things with the camera, and every tutorial says you should go to the content browser and add a level sequence from the right click menu, but I have no such thing in Unreal 5.1 The ...
Eight Rice's user avatar
0 votes
0 answers
16 views

How do I get a direct reference (not a copy) to an actor while in editor (not runtime)

I am looking for a way to get a direct reference to a camera rig actor that resides in my level while in editor mode (not at runtime). From what I understand, the "Get Actor Of Class" and &...
Ryan Farmer's user avatar
0 votes
0 answers
39 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
0 answers
47 views

Cut only one object with polycut

If you duplicate an object and then do a polycut, it will affect both the original and the new one, even though you had only selected one object before clicking on "polycut" in the modeling ...
Eight Rice's user avatar
0 votes
0 answers
41 views

How can I make the water in Unreal Engine 5 clearer so that the rocks underneath are more visible?

I'm trying to make the water in my Unreal Engine 5 project look clearer so that the rocks underneath are more visible. I've attached two images, one is the current look of my water and the other is ...
Antreas Alexandrou's user avatar