The Unreal Engine. Not to be confused with the free UDK.

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17
votes
2answers
11k views

Which Unreal Engine 4 project files can I ignore in source control?

I want to put an Unreal Engine 4 project under source control with git. (I know the editor has Perforce and Subversion support, but I don't care for those.) What folder and files do I include in the ...
9
votes
6answers
19k views

Unreal Engine 3 vs id Tech 3 vs Unity [closed]

I'm trying to decide which engine I should start using to try to start building a game in. I had chosen Unity, but upon hearing that Unreal Engine 3 had just become kinda free to use, I found myself ...
7
votes
3answers
3k views

Questions about rendering access in UDK

I also asked about this over on the UDK forums, but haven't had much luck getting any responses. Basically, I have some experience with UT3 modding, but I'm just getting started with the UDK, and I ...
4
votes
1answer
566 views

Should I be concerned about assets being accessed by dumping VRAM?

I have heard many people tell me that a user can dump the VRAM on their GPU and get all the images in my game. Including all "Streamed" images. This includes most of my Menu graphics. How would a ...
4
votes
5answers
30k views

How can the Unreal Development Kit be used with Android?

I've read the UDK will support Android development, I checked the download page on the site and found nothing related to Android. also read that Dungeon Defenders Android game was built with Unreal ...
4
votes
3answers
873 views

Do I have to compile Unreal 4's source myself in order to make games with it?

Now I understand the need for this if people want to make modifications to the engine itself, but if I want to use the engine as is and just program games with it, do I need to do all this? I figured ...
4
votes
3answers
4k views

Push and damage player pawn when hit by rotating pawn? (UDK)

I'm working on a game in which the player runs around a level themed as a pinball machine. There are flippers that react to the presence of pinballs by flipping (as one would expect pinball flippers ...
4
votes
2answers
1k views

Unreal Engine 4 — Casting [closed]

I am currently developing my first classes in Unreal Engine 4. Coming from using UScript extensively, I'm getting a little bit confused by how typecasting works in pure C++. More specifically, ...
4
votes
4answers
10k views

Move the location of the XYZ pivot point on a mesh in UDK

When working with any mesh, you get an XYZ point somewhere on it. If you just want to move the mesh in any direction, it doesn't matter where this point is located. However, I want to rotate a door. ...
3
votes
2answers
4k views

Unreal Engine - Scaleform - How do I capture a button click event?

I'm new to Unreal Development. In a nutshell, how do I create a button, install it in a basic game, and capture the button click event?
3
votes
1answer
326 views

How are the Unreal Development Kit (UDK) and Unreal Engine 4 (UE4) related?

I'm thinking of learning Unreal Engine 4, but it costs money, and I want to try and keep costs as low as possible while I'm learning. In contrast, the Unreal Development Kit is free. How similar are ...
3
votes
1answer
4k views

How to get started with Unreal Engine for iPhone? [closed]

OK i have decent amount of knowledge of C++. I want to make cool games for iPhone using unreal engine and I have access to UDN. But everything seems cluttered on UDN. I have downloaded source from ...
3
votes
1answer
144 views

Why does the X Y Z translations now rotate along with my static meshes?

So I was making a map for UT3, using the Unreal 3 Editor provided, and all was going well. However I was doing some work with InterpActors and Vehicle Spawners, when I must have hit a key by mistake ...
3
votes
1answer
2k views

How to make a gaussian blur effect in UDK

I want to make a plane shape (surface) that have a gaussian blur applied to it and this plane is transperant, so all objects behind it looks like they are having a gaussian blur effect.
3
votes
0answers
431 views

Why are god objects so common in game programming? [closed]

This is a bit of a philosophical question. Excuse me if it's out of place here. Most modern games developed in C++ use (or at least purport to use) an object-oriented approach. A common axiom of ...
3
votes
1answer
501 views

Deleting Objects Before Export from Maya Causes .PSK to Crash UDK on Import

I'm using Maya 2008 Complete and 03/11 build of UDK as well as 07/10 build (haven't got around to installing newer version on other computer). I am using ActorX to export. I have a character that I ...
2
votes
1answer
561 views

Unpacking UE4 .pak's?

Is there any way to properly unpack/repack resources of UDK-based games (.pak files)? . From what I've tried already, gildor.org's viewer seems to skip/ignore these .pak's (also, UDK, which is UE3 ...
2
votes
1answer
125 views

Accessing the command line from in-game?

Is there a way to interact with the command line (Linux/Windows) from in-game using a game engine such as Unity or Unreal? I would like to have the user be able to jump on a console or even just ...
2
votes
1answer
420 views

UDK Fixed AIController / Pawn Height

[I already asked this question on the UDK forums, without much success though.] I'm using a class derived from AIController to control my pawn in RTS-style. My problem is that the pawn does not have ...
2
votes
2answers
543 views

How can one access the depth buffer for Unreal Tournament 2004?

I'm looking for a way of getting depth buffer data for a virtual 3D sensor. Currently the method used is raycasting (implemented in UnrealScript), but I want to use the depth buffer data instead for ...
2
votes
1answer
632 views

Unreal Development Kit - What is a good method for accessing a relational database file?

I'd like to use a SQL Express file or something similar for a UDK demo. Is there a standard method for accessing data in a local relational database file? I understand that the best method may ...
2
votes
2answers
825 views

How can I run native code (in a DLL) from UnrealScript in UT/UE1?

I'm seeking an example showing how to create a DLL that can be called from UnrealScript in Unreal Engine 1 or Unreal Tournament.
2
votes
0answers
57 views

Volumetric grass

I've been extremely interested in volumetric technology. Especially in volumetric grass. The online resources are extremely scarce on this topic. What is the difference from creating a lot of ...
2
votes
0answers
55 views

hosting a windows game on a linux server [closed]

there! I am currently working on a game on Unreal 4, and although im still in early production(barely any code written, mostly visual assets at this point), i want to ask this now, so that i know how ...
2
votes
1answer
294 views

How can I place the player into a 360° video in UE4?

I have a 360° video (6 separate videos stitched together into a panorama) with a first person view walking through an environment. I would like to put this in a game engine such that the actor can ...
2
votes
2answers
154 views

What exactly does Unreal Engine 4's Class Wizard do?

I know "it adds classes to your project" and "creates boiler plate code for you" but what does that actually mean? Does it do anything besides properly generate your .h and .cpp files for you?
2
votes
0answers
82 views

Where are the logs created by Unreal Frontend? [closed]

I am trying to read errors generated by a build and cannot locate the log file. Which directory is it in?
2
votes
0answers
315 views

HUD and score have gone missing in UnrealScript [closed]

I am a student at Full Sail so I don't want just the solution; I want to understand the problem. I am working from tutorial videos where we are supposed to have a HUD, a score, and a timer. When I ...
2
votes
0answers
853 views

UDK HUD problem [closed]

I'm trying to add a new element to the HUD, it's supposed to be a compass that should function like a minimap. I've added this code to the main hud.swf: var DcompassContainer:MovieClip = ...
1
vote
1answer
6k views

How do I make game server for UDK game?

I'm new in UDK and I'm starting to develop online multiplayer games. There is a one problem, I couldn't find any tutorials about how to make a game server using udk. I suppose, that it uses unreal ...
1
vote
3answers
665 views

Quality Current Free UDK Tutorials?

I'm just getting started with the UDK, with experience in Unity, and would like a good tutorial series about getting to know my way around the basics of level design and a touch on programming. I have ...
1
vote
1answer
352 views

How do I avoid Race Conditions in UnrealScript?

I'm trying to create a pseudo turn based battle system in the Unreal Engine (think Final Fantasy style). I'm trying to avoid the Enemies and the players attacking while another animation is in ...
1
vote
2answers
1k views

UDK iOS: System Requirements confusion

Unreal Development Kit for iOS was recently released. The system requirements note that Windows is needed. Does this mean that iOS game development is possible on a PC now? I am confused since I ...
1
vote
2answers
85 views

What exactly is the difference between Unreal Development Kit and Uunreal Engine 4? [duplicate]

I want to start learning game development and I would obviously come across this tool. So every where I went people mentioned Unreal Engine 4 to be a viable choice, I've tried a bit of Unity and now I ...
1
vote
2answers
1k views

How hard is it to build for other platforms using the Unreal Engine 3?

Quick question to those that have used the Unreal 3 Engine for development. (Not the UDK). How much work would it take to take a game made on/for Windows and output a working build on another ...
1
vote
1answer
437 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?
1
vote
1answer
1k 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 which is a child of an Actor class. ...
1
vote
1answer
243 views

Can UE4 be used from multiple locations with a single license?

I want to subscribe to Unreal Engine 4 with my small game development team. But before we do, we have a question: can we also use UE4 from multiple locations at the same time? So that all of our ...
1
vote
1answer
363 views

How can unrealscript halt event handler execution after an arbitrary number of lines with no return or error?

I have created a class that extends TcpLink and is instantiated in a custom Kismet Sequence Action. It is being instantiated correctly and is making the GET HTTP request that I need it to (I have ...
1
vote
2answers
79 views

Setting up a camera to make the world look large

I am attempting to configure my camera to give the impression of a normal sized player in a giant room. Since units are arbitrary, I figured this should be possible (despite the fact that the room is ...
1
vote
1answer
206 views

Child object free movement on Parent object

Just to be straightforward, I am completely new to many aspects of coding and am searching for different specs and guidelines to aid me on my journey to crafting a wonderful game in Epic Games' Unreal ...
1
vote
1answer
427 views

Changing State in PlayerControler from PlayerInput

In my player input I wanna change the the "State" of my player controller but I have some trouble to do it my player input is declared like that : class ResistancePlayerInput extends PlayerInput ...
1
vote
1answer
1k views

UDK : Problem with Touching Actors

In my game I am trying to see all touching actors of a particular DynamicSMActor and it does return only two Actors as touching Actors - Water Volume and Player Pawn. It is ignoring all the other ...
1
vote
1answer
585 views

Start an animation exported from 3ds Max in UDK

I made a shape in 3ds Max with one bone and I gave it an animation. I exported it and imported to UDK. When I shoot to that shape, I want my animation to start playing. How can I do this?
1
vote
1answer
973 views

UDK requirements

(Sorry my English is not good) I've made a small game with UDK(Unreal Development Kit)Latest Release(December 2011 UDK Beta) and used frontend for package my game; When I install the game on the ...
1
vote
1answer
2k views

UDK - problem packaging/publishing the game

I have set up all the config files to my game classes and am able to launch the game to test everything. Although when I package the game, it still runs the UT deathmatch game? What other lines in ...
1
vote
1answer
67 views

Need help with creating a stun gun. (Unreal Script)

I am fairly new to the programming world. I am currently at College and one of the tasks I need to do is create a "stun gun" or "freeze gun". Basically when you shoot a target (other player) i want it ...
1
vote
0answers
33 views

Weapon index sets index values to the same

i've got a question about my unreal blueprints. I've been trying to get this right for almost a month now, but i don't know how to fix this. These are my are down below and a small video to explain my ...
1
vote
0answers
68 views

UE4 or Cryengine for large forest wilderness open map? [closed]

I want to create a survival game FPS with large forest wilderness in an open map fashion. What engine should I choose and what tools do I pick for modelling and such?
1
vote
1answer
290 views

How do I Rigidbody.AddForce(Vector3) in Unreal Engine?

I am coming from the Unity Engine, and trying to get my feet wet with Unreal Engine 4.8.x. I want to add a one-time force to an object. To accomplish this in Unity 5, I would use: void Start(){ ...