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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.

684 questions
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How to install Unreal Engine 4?

As soon as I found out that Unreal Engine 4 is now free, I decided to get it in order to tinker with it. So I clicked on the blue "Get Unreal" button, signed up, and downloaded (and installed) the MSI installer (working on Windows here). After the…
Nolonar
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What does the update button in the Unreal Engine launcher actually update the engine to?

Unreal Engine 4 seems to have a very handy way of managing different versions of the engine - mainly you get to keep several copies and choose which one to launch. That said, not having used the new launcher recently I see that I am quite behind in…
SpartanDonut
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How can I make the player spawn at a specific location on the map?

I'm trying to make a game in Unreal Engine 4.8, I've got a Player Start actor in the main level and a box collision that loads a new level, but when you return to the main level you obviously spawn at the Player Start, how can I make the player…
Camo001
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How to get UE4 to correctly put my bundle identifier for iOS projects?

Each time I create a new project UE4 adds a generic bundle identifier to the iOS platform settings, that I always have to change to com.myname.[PROJECT_NAME] in order to be able to run the newly created project. So, I wonder how can I make UE4 to…
rraallvv
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How can I stop the Unreal Editor's UI from being blurry?

My Unreal Engine UI does not look sharp and is blurred on my 1080p monitor. Subsequently, the viewport is slightly blurry and edges are jagged. I have changed the setting of the viewport to "Cinematic," yet this still persists. I have two images…
Computing Corn
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How to export unreal assets in a package like in unity?

Unity has an asset exporter that export it into a .unitypackage format. This ensure that the prefab has all the links to its child assets. In Unreal 4, its migrate tool allow for moving of assets. However, it require that both project be on the same…
DarkDestry
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How do you spawn a component from a class in UE4?

Background I'm working on a shooter game at the moment and I'm trying to spawn an Actor Component for the weapon currently in use, in order to have less Actors to keep track of. The problem with this is that I can't easily switch out components on…
Sturlen
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How to get the 3D location of a click in unreal engine 4?

I'm trying to do a board game in unreal engine 4. I've set up pawns and a board actors. However, I would like to be able to decide on which case of the board the player clicked. The board is one piece and I'm not sure splitting it up would render…
Lærne
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Unreal Engine 4 Error 2738

I am having trouble installing UE4 on my computer. I keep getting Error 2738 as I start the installation and can't find a fix. Even Microsoft Fix It 50842 won't work. I've attempted to re-download installer, reboot, use a flash drive. Still the same…
CS_Dan
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Where do I have to put actions when the game state changes

I’ve just started to learn Unreal Engine implementing a clone version of Atari’s Pong game. I’m thinking about where to put the code to change the state of the game. I have an enum in the GameState class to manage when the game hasn’t started, or…
VansFannel
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How can I expose material parameters in the Unreal level editor?

Is there a way to expose material parameters in Unreal 4 so that they are accessible from the level editor? As far as I know, I can only do this through the Material Editor, but I wish to do it more fluently. E.g. to edit a color for the currently…
01F0
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Displacement map to create terrain

I am trying to figure out the best way to create a procedurally generated terrain at runtime in Unreal Engine 4. For the moment, my idea is to generate a heightmap and apply it to a plane as a displacement map, since it sounds a lot simpler than…
user134400
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UObjectFinder versus UClassFinder; when is one better than the other?

I want to change the default pawn of my game and I decided to do it with c++. I came up with this solution, which works fine: static ConstructorHelpers::FClassFinder MyPawn(TEXT(" address...")); DefaultPawnClass=Pawn.Class; However,…
Saurabh Kumar
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How can I load and store JSON data in UE Blueprints?

For a college project that spans a few months, I'm working on a text adventure game in Unreal. I would like to state up-front that even if I wanted to use code, I can't. For some reason my college computers don't have Visual Studio or any other IDE…
Garflington
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Why do I get these packaging errors for my 32-bit build?

I am trying to package my game in 32 bit for testing purposes. However I keep getting an error during the process. I have no problems packaging 64 bit development versions. Only 32. Does anyone have any ideas on what the problem might be? Here is…
Jason Crosby
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