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Questions tagged [unreal-4]

Unreal Engine 4 is a professional suite of tools and technologies used for building high-quality games across a range of platforms.

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Why is my FPS Camera in the Wrong Position by Default?

I'm using Unreal 4.2, and somewhere a long time ago I must have messed up settings. I'm trying to mess with a first person shooter, so I create a new project, using the first person template. When ...
Millard's user avatar
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1 answer
284 views

Multiplayer Replication Unreal Engine 4

I have variable=count(integer) in a Character Blueprint. I want to increment the variable when user presses the 'R' key. What do I so in the Blueprint that ...
user13734955's user avatar
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936 views

How to Sync the Location After Getting Up from Ragdoll?

I am currently working on multiplayer fighting game and my game will have an anim->ragdoll when the player is knocked out and be able to getting up from it. My problem now is ragdoll is making my ...
Mira's user avatar
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1 vote
1 answer
741 views

How to find a culprit BP from memory address in VS debugger causing build error messages in UE4?

I am trying to build out my project, but I keep running into a nasty error message about a BP reroute node... :( It compiles all of the 1000 shaders and everything and just before it would finish it ...
formatc2013's user avatar
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2 answers
3k views

Behavior tree: why?

I am new to UE4 and game programming altogether. Following multiple tutorials and documentations I see mentions of behavior trees. In tutorials they do not use them in favor of blueprints because they ...
psznm's user avatar
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1 answer
230 views

Is naming convention a good base for a sorting and tagging system for game assets?

TLDR: what are the pros and cons of using a naming convention for tagging and sorting game assets? for the UI to search and handle it for devs and gamers to move files around I am building a game ...
formatc2013's user avatar
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365 views

Using result of ProjectWorldToScreen for DeprojectScreenToWorld does not produce initial input data

I am using this logic to project a point in world space into screen space. ...
poly's user avatar
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2 answers
699 views

How can I to get an animation to be triggered by proximity of a mesh actor (an object)?

So I'm making my first build in Unreal 4 using Blueprint. The "game" calls for the player character to grab a particular object (a static mesh actor) and bring it close to a door that will ...
Ferndinand Ursa's user avatar
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140 views

Unwanted blendspace bone displacement in UE4

My characters hands "fall off" in the blendspace between the animations. Looking for a way to fix it, if anyone has any ideas.
Angerboy's user avatar
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1 answer
2k views

UE4 C++ - Add generated source code folders to Visual Studio solution?

In Unreal Engine 4, using a Visual Studio solution and projects generated from the Editor using the First Person Template, the layout of the Solution looks something like the following: I am not a ...
JSON Brody's user avatar
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1 answer
238 views

How to create an obstacle that sends the player in the air?

I'm making a game in UE4.25 and I have several obstacles in there. I want them to send the player in the air if the player walks or stumbles into them. (Kind of like a Fall Guys effect, like if you ...
Wolfizzy's user avatar
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How to make a dynamic frontline system for my game?

My problem: Basically the units, units meaning soldiers or vehicles, influence the frontline by moving into the opponents territory (See example image). I'm trying to understand where to even start ...
GamesByChris's user avatar
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1 answer
4k views

Correct use of AttachActorToActor [ue4]

I'm trying to stick some blocks together, but frankly I have no idea what I'm doing. I spawn 2 blocks during run time, and if they have an on hit event they're supposed to stick to each other. It ...
Mauvai's user avatar
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398 views

How to copy morphs from one SkeletalMesh to another in UE4?

I would like to enable modders to copy morphs from one SkeletalMesh to another. I wrote simple Python script to do that. The inspiration came from here. ...
formatc2013's user avatar
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1 answer
220 views

Multiple directx runtimes in game

I see by Process Explorer that many of Unreal Engine games load multiple DirectX runtimes. For example game Gears 5 in requirements has DirectX 12 only support, but uses DirectX 9 and 11 runtimes also....
FoxNet's user avatar
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'CoreMinimal.h' file not found when building on Unreal Engine on Mac

I'm trying out C++ on Unreal Engine 4.25 on Mac. If relevant, my Xcode version is 12. When I try to compile, there's an error: 'CoreMinimal.h' file not found. I've ...
nusantara's user avatar
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1 answer
4k views

Can I add extra widgets to a child widget in UMG-UE4?

I have a widget base class and I would like to reuse (logic and wigdets as well) it. I created an empty widget and set the parent class to the base class I would like to inherit from in the class ...
formatc2013's user avatar
2 votes
1 answer
271 views

Why does my game look different on my mobile device than in the editor?

I am new to Unreal Engine. My game in mobile looks totally different than in Unreal Engine editor. In Editor: In Mobile: Is this a symptom of something obvious? How can I make it so that what I'll see ...
Mokshith P B's user avatar
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2 answers
2k views

How do I control multiple Pawns without possesing them (RTS style)?

I am making a multiplayer RTS but I have a problem controlling spawned units (let's call them Vessels), specifically moving them around with AI MoveTo bp. Vessels ...
SomeDude's user avatar
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638 views

Multiple planar reflections works weird in UE4

When I add multiple planar reflections for arch-viz, some of them on glasses don't have any result, but ones on mirror works properly. Sometimes all the planar reflections on glass are invalid. But ...
bao007fei's user avatar
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1 vote
1 answer
388 views

Get NPC to look at player with only head

I'm wondering how to get an NPC to look at the player, I have tried everything. Find look at rotation changes depending on character rotation. Here is a fun drawing if letters are too complicated.
Angerboy's user avatar
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How to create opacity mask from colored bitmap?

For the image (bitmap) below, if I do: Create a spite with the image in unreal engine. Create a opacity mask on the spite. Use this image, choose a specific color, such as blue, make its ...
Zizheng Yang's user avatar
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1 answer
50 views

Utilize remote PC to Boost UE4 Editor Performance

As the title suggests, I would like to know how I can take advantage of a desktop PC at my workplace to help boost the performance of the editor on my laptop at home. General editor actions such as ...
Microbob's user avatar
  • 105
2 votes
2 answers
3k views

Component instance reference in Unreal Engine 4

I'm creating a C++ script and I want to get a reference to a component instance. For example, imagine that I want to get the player camera, which is a ...
Daniel Marques's user avatar
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1 answer
2k views

What's wrong with my planar reflection?

At some angle my mirror with planar reflection shows this result. Looks like it mix with the sphere reflection capture. How to fix it?
bao007fei's user avatar
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1 vote
2 answers
7k views

Render hands and gun in front of everything

I'm currently learning about Unreal Engine 4 by making an FPS game. How can I render the player character's hands and gun on top of everything? Currently when I walk up to a wall, the hands and gun ...
Elu Thingol's user avatar
2 votes
2 answers
506 views

How to render thin glass with proper refraction?

I want to render thin bumpy glass with refraction. But it offsets too much(look at the black frame of the glass). Looks thick. How to do thin glass refraction properly? Or is it possible to exclude ...
bao007fei's user avatar
  • 151
2 votes
1 answer
54 views

Any clue to create natural shadow like this?

I only use skylight with hdri map for overcast lighting. The corner isn't dark enough compare to other's work. Any clue to achieve this natural falloff soft shadow? What I want What I get My world ...
bao007fei's user avatar
  • 151
1 vote
0 answers
104 views

Can I combine 2 UnrealEngine forks?

I am using Daz Gen 8 characters and clothes in my project. After I read this I decided to use a fork of UE4 which uses Dual Quaternion Skinning. Basically if you use Daz characters under UE4, they ...
formatc2013's user avatar
1 vote
1 answer
2k views

Can't build UE4 new mod kit - UGCExampleProject - UE4

I am trying to build the new mod kit to support modding for my new game. I am following the QuickStart Guide: Place your project in a directory under your UE4 root directory (such as /Games or /...
formatc2013's user avatar
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747 views

Selecting components (only in editor) created in construction script

Question is about Unreal Engine 4 Is it possible to catch click (or other mouse) event on dynamically added component in editor? For example: I create 5 instances of StaticMeshComponent on ...
STNS_BTTHL's user avatar
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986 views

Can I "unmerge" merged meshes UE4?

I set up my character to be modular, by following the UE4 docs. I used the code at the bottom of the page to implement mesh merging functionality. It does work well, I can merge meshes runtime. I use ...
formatc2013's user avatar
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0 answers
60 views

Unreal Engine custom camera

I was looking at game engines and found Unreal Engine. I want to make a game where the player has to create a camera by crafting it and can customize how many pixels the camera detects and what the ...
dogking57's user avatar
1 vote
0 answers
227 views

Gaps in custom body parts export for Daz Genesis 8 character

I am trying to attach a custom mesh to a Daz Genesis 8 character, and export it into Unreal Engine. I use a custom script (namely: goldenpalace - NSFW); it exports both mesh and morphs... but it ...
Dávid László's user avatar
2 votes
1 answer
3k views

mesh gets twisted wildly when trying to use Unreal's mannequin's skeleton

I have modelled a simple mannequine and made a skeleton for it in Blender. As far as I can judge, this skeleton copies the Unreal's standard mannequine's skeleton perfectly... All the hierarchy and ...
Serhii's user avatar
  • 163
1 vote
0 answers
38 views

How can I allow player-created content to add morphs to Daz Genesis 8 characters(UE4)?

We use Daz Genesis 8 characters in our project. Content creators would load their morphs from Daz to our game. We would like to add these morphs to our characters so they can be modded, edited and ...
formatc2013's user avatar
0 votes
0 answers
98 views

Tank / turret animations

I don't know if this question is more of Blender / 3D or gamedev / Unreal question, but I decided to ask here first. What I want to do is make a character, simple robot. The bottom part rides around ...
lilKriT's user avatar
  • 426
3 votes
1 answer
2k views

How to support importing .uasset files in game for content creators(UE4)?

I would like to support importing clothes(as SkeletalMeshes) and props(as StaticMeshes) as uasset files into game for content creators, which obviously have not been packaged with the game. Basically ...
formatc2013's user avatar
0 votes
0 answers
2k views

How do I fix these build errors in Unreal?

I am using this asset to do some IK magic in UE4. I connected some nodes to control the rig realtime. It works fine, I hooked up some dummy cube actor to control the limbs of the rig and that works ...
formatc2013's user avatar
1 vote
0 answers
62 views

How to find missing types of TArray-s of a script from Unreal docs? [duplicate]

I am trying to compile code from Unreal's official docs. Sadly, it just doesn't work out of the box. I noticed that the types params of all instances of the TArray variables are missing in the header, ...
formatc2013's user avatar
1 vote
1 answer
1k views

UE4 Blueprint Multiplayer Spawning Issue

I'm attempting to copy/modify the MultiplayerShootout project's multiplayer functionality for my own project. I'm running into issues when Player 2 joins a running session though. Finding it very hard ...
Luke Hewitt's user avatar
1 vote
0 answers
93 views

Navmesh bound in ue4 topdown and third person template

The Topdown template has a navmesh volume to build walkable area, if remove that volume, the character will be unwalkable. However, the third person template has no such thing, but the character ...
jean's user avatar
  • 145
1 vote
0 answers
426 views

Overriden Event does not execute on Unreal

I've been learning Unreal Engine through this tutorial and I am having an issue with overriding an event I created on C++ using blueprints. So here is what I've done: I created a class called ...
Carlos Tirado's user avatar
1 vote
1 answer
170 views

Assigning values on multiple clients in UE4

I am currently working on a multiplayer game and I am having difficulties on assigning values on variables for each clients. Originally I looped through available clients character from HUD then ...
Mira's user avatar
  • 139
1 vote
1 answer
171 views

UE4 - custom template can only start with blueprints

I tried making a custom template for UE4 to help save some time during gamejams. I follow this tutorial: https://docs.unrealengine.com/en-US/Engine/Basics/Projects/CreatingTemplates/index.html It ...
lilKriT's user avatar
  • 426
2 votes
1 answer
1k views

How to get Unreal find headers needed for my code to work?

I am trying to open a dialog to select files under UE4, using OpenFileDialog. I added this to my build.cs ...
formatc2013's user avatar
2 votes
1 answer
2k views

How to set C++ language standard for VS2019 in an Unreal project?

I am trying to a simple thing, just like that, in a header file; #include <filesystem> #include <iostream> namespace fs = std::filesystem; And ...
formatc2013's user avatar
0 votes
2 answers
636 views

Objects Imported from Blender to Unreal have really zoomed Materials

I've been learning how to use Blender for UE4. I just started figuring out how to define which sides should have materials on them. In particular, I wanted this building to have different materials ...
William Rutherford's user avatar
2 votes
1 answer
7k views

change widget's size through blueprints

I want to change the size X of my 'Horizontal Box' widget's through blueprints but cannot figure out how to do that... the properties that I want to be able to control from blueprints are marked red ...
Serhii's user avatar
  • 163
1 vote
1 answer
451 views

UE4 bone sockets imported from blender have buggy local transform

I'm exporting this armature with two sockets for left and right hands. As you can see on the Transforms location and rotation are all 0s. Here's my export settings on blender: Now I import it into ...
Marius's user avatar
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