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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18
votes
1answer
4k views

Is it possible to use the Unreal Engine as a big C++ library, without using the editor?

I want to write a game entirely in C++, but I would like to profit from the possibilities offered by the Unreal Engine, especially in terms of graphics and physics. Nevertheless, I strongly dislike ...
5
votes
4answers
11k views

Why do I get a blank material in Unreal Engine 4?

When I'm adding a material to a box in UE4, the material loses its textures. I want to add this material To this After I'm trying to drag & drop the material into the scene above (like in UDK) ...
3
votes
1answer
632 views

Very large terrains in Unreal-4

I was watching some YouTube tutorials on making terrains in UE4 and in each one they mention that the larger the terrain the worse the performance gets. I was wondering what you would do if you wanted ...
1
vote
2answers
5k views

IDE cannot find CoreMinimal.h, Unreal Engine 4 course

I'm following this tutorial on Udemy about learning the basics of Unreal Engine as I start up my CS degree, and I've reached a problem where CoreMinimal.h cannot be ...
1
vote
1answer
418 views

Is there a way to reimport an asset with new import options?

I'm trying to help out a friend with an Unreal issue. He has a character model that's been imported and used in a map. A bunch of work has already gone into setting up the scene before anyone ...
1
vote
3answers
750 views

Unreal modular character tutorial errors

I'm trying to follow the modular character tutorial for Unreal from this link Specifically the mesh merge portion. How ever the code that is provided seems to not be working. For example when I add ...
1
vote
1answer
919 views

Excluding geometry from a shadow casting light in deferred rendering

Is it possible to exclude geometry from a particular shadow casting light in a deferred rendering pipeline? If yes, can it be done correctly or are there limitations? This is mainly to reduce the ...
1
vote
1answer
150 views

Changing rendering in UE4

Is it possible to have Ue4 render the graphics with a black line around everything similar to a cell shaded style, or would that require models specifically prepared for that purpose?
1
vote
1answer
609 views

Making only parts of a mesh destroy in UE4

I am making a 3d, 3rd person shooter game where I want everything to be destructible. UE4 makes this possible by making meshes destructible, but the problem is that when the mesh is damaged, it ...
1
vote
1answer
638 views

UE4 crashing after compiling, anyway to fix?

I'm working on a small game project and made a completely noob mistake and don't have a back up. Well, after compiling my most recent c++ code, the engine crashed. And now every time I try to reopen ...
0
votes
2answers
1k views

How to make an action perform only after an animation has run?

I have an actor who has some animations. Animations perform based on some actor states (animation blueprint of actor): Conditions at the Event Tick (similar to while loop): The actor changes ...
0
votes
1answer
245 views

How to make my character walk by clicking and holding the mouse button?

I created an Action Mapping using the right mouse button as a reference. The Action Map is called "Andar" (walk in english). In the character code, I call this Action Mapping and in it I make the ...
0
votes
0answers
71 views

How do you import submeshes on a skeletal mesh?

I'm trying to help out a friend on an Unreal issue. He has a Unity scene he's trying to convert to run on Unreal, and getting the models right has been a bit of a bumpy road. Like many models, this ...
0
votes
2answers
40 views

Read actor instance's text variable for widget when triggered on different objects

What I'm trying to do: (a 'long story version' is linked in comment below) (and another user example is hyperlinked in comment below - i couldn't post over 8 images and/or links in this first comment*)...
0
votes
2answers
1k views

How to create smoke that spreads outward in all directions?

I saw many tutorials about smoke grenade but they just use volumetric smoke. I want to make something like the smoke grenade in PUBG, where the smoke spreads in all directions; how to do that? The ...
0
votes
3answers
2k views

How do one NPC follow a succession of target points?

I have a project that contains 1 NPC (AI) and 2 target points. In the project I can make the NPC follow any of the 2 target points, but I can not get it to follow target point 1 and then target point ...
0
votes
1answer
79 views

Way to store object reference?

I have a project where a minion overlaps the tower. Needless to say, the problem occurs when more than one minion overlaps the tower at the same time. It turns out I've figured out how to go through ...
0
votes
1answer
130 views

Error detecting collision with another instance of the same actor?

I have a project where after a certain time interval 2 NPCs are generated in different locations on the map. Each of them collides with a collision box that defines its "class" (red or blue): When 2 ...