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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Optimization for Normal maps with lots of wasted space?

I'm working on level/character assets where I'm finding that I use only very little amounts of normal mapping on them, resulting in 2048x2048 textures that are mostly blue/purple. Is there any method ...
2
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2answers
185 views

Endless level support in modern engines? [closed]

Do any of the "next gen" engines support endless 3d levels? The general idea for my game will require the ability to stream a level seamlessly (no loading screens), similar to games like for example ...
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2answers
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How can I get the "SelfActor" in OnBeginActorOverlap?

The signature it takes is void ( AActor* OtherActor ) However, The actor that is handling this event is not involved in the overlap. How can I access the actor ...
0
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1answer
294 views

Why aren't all public methods BlueprintCallable by default?

Considering the entire point of public/protected/private encapsulation is to abstract the class so it's easy to use, why does the programmer also have to decide if a method is callable from blueprints?...
2
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2answers
3k views

Can Unity 5 or Unreal Engine 4 do computationally identical physics simulation across platforms?

In order to use certain approaches to multiplayer physics, it requires that the clients calculate exactly the same values for physics simulations. That "exactly" is a very big word here and goes all ...
2
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0answers
262 views

Unreal Engine 4 Error 2738 [closed]

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 ...
7
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1answer
13k views

Unreal Engine 4 is now only free or open source as well?

Recently Unreal Engine 4 become free with Royalty fees. What about the code? Is it opensource or no?
5
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1answer
437 views

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 ...
22
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1answer
11k views

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 ...
2
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2answers
1k views

Does PBR mean only one, right technique to view 3D scenes?

For example if I call Unity 5's render pipeline "PBR" (Physically-Based Rendering) and also call Unreal Engine 4's render pipeline "PBR," does it mean that the same model with the same PB textures ...
2
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1answer
5k views

How do I read color data from UTexture2D in UE4?

Here's my code: ...
4
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1answer
891 views

Frame independent buoyancy using Substepping

I am having trouble with a frame independent buoyancy force using substepping in Unreal Engine 4. The original problem (which I am attempting to solve using substepping) is that when you apply a ...
4
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1answer
9k views

How would you implement a simple strategy player controller in Unreal Engine 4?

All player controllers in the C++ game templates are not for strategy games. They all implemented so the player controls just one character. I'm not sure what approach to take when you want to control ...
5
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4answers
13k 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) ...
5
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1answer
18k views

How can I get a reference to a object in the world in UE4?

I'm coding a simple maze game in UE4 and I have everything I wanted to implement done except having an obstacle in the scene. What I have is a simple Obstacle class ...
2
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0answers
611 views

How is the Unreal rendering pipeline implimented? [closed]

I know this seems like a very broad question, but i am just interested in getting to know how the Unreal engine's rendering pipeline looks like, specially how it handles meterials, different types of ...
7
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1answer
3k views

Do I still owe Epic royalties if I am not enrolled in the Unreal Engine subscription?

I have just started using Unreal Engine 4 and I have had a very good experience, though I have left the subscription now. I've made an Android game with it and I am planning to release it, but I have ...
-1
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1answer
342 views

Do you need Visual C 2013 to compile Unreal 4?

Do you need a specific version of Visual C to compile Unreal 4? If so, why? I read in a lot of places: Please make sure you are running Visual Studio 2013 Professional or Visual Studio Express ...
2
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0answers
726 views

Adding smooth round Bézier curve corners in unreal editor?

Unreal Editor offers rectangular and round geometry. It also offers boolean operations. I can make a smooth corner by playing around with cylinder and boolean operations. I really would like to make a ...

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