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Unreal engine - complaints for needing 8 GB of memory even though I have 8GB memory

I have a Mac OS X with 8 GB 1600 MHz DDR3 RAM and when I start unreal engine it complaints about Low RAM and asks that for best performance I should have at least 8 GB of RAM. I'm not sure why is this is case, is it possible...

Unresolved external symbol when linking to third party libraries from UE4

EDIT: Updated post to avoid linking to third party sites and to collect all required information here. Any information is appreciated. If you need more info, please inform me and I will edit the post with the new details. Here is some useful information to start with. Errors. Source code....

How to realize animation of the PhysX Cloth in UE4?

How to realize animation of the PhysX Cloth in UE4, like this https://youtu.be/dviWZcphcIQ?t=18s ? Where I can find sources of the project with same animation?...

Steamworks checking if a user is logged in

So the code that I've been using to get a user's Steam ID is: CSteamID uid = SteamUser()->GetSteamID(); uint64 pid = uid.ConvertToUint64(); std::ostringstream sin; sin << pid; std::string s = sin.str(); return s.c_str(); This works just fine, but when a user is not logged into Steam, this crashes. Access violation...

Multiple overlapping actors trigger event in Unreal Engine 4 editor

Is it possible to trigger an event only when there are multiple actors in the trigger volume? For example a background music starts playing only if there are two specifically tagged actors placed at a trigger volume?

Unreal Engine 4: Super::Tick ( DeltaTime )

So I'm new to Unreal Engine 4 and thought the docs posted on their website would be a good place to start. However, I'm struggling with some things concerning the coding part (I have a pretty decent C++ knowledge). Here is the code extract I'm having some trouble with: void...

Argument list too long while stack size id unlimited and command size is about 300 kbyte

I'm trying to compile Unreal engine under Sabayon Linux using Qt creator and I always get execv: Argument list too long error. I've already googled this problem and I've tried to increase stack size by editing /etc/security/limits.conf file. I event set it to unlimited so now getconf ARG_MAX output is...

Unreal Engine 4.7 cant create a normal skybox

Intro: So here I am coming from the Unreal Answerhub site since that place is truly unresponsive and alot of tutorials and resources are out of date as of the latest release 4.7 which changed the workflow. The Problem: I recently switched from Unity to Unreal and the first thing...

Function not getting called in Unreal

I'm new to Unreal. I'm part of a research project and I'm trying to learn the engine better as I proceed but there is something which has got me stuck for quite some time. I have a private function GetGrids declared in the .h file. I'm trying to call it...

Is it possible to create dynamic AI path “on fly”?

How to dynamically create AI path between two objects? For example, one AI character must go to the another AI character. Is it possible to make AI path with logic "goto in front of the object", "goto in backside of the object" and etc? How to programm this AI logic...

Calculate frequency from FFT sample?

I'm using the below code in Unreal Engine 4 to capture microphone input and get the resulting FFT. I'm having trouble calculating the frequency based on this data. I've tried finding the max amplitude and taking that as the frequency, but that doesn't seem to be correct. // Additional includes:...

Steam API getting persona name

I have been following the Steam documentation to a t, but I have gotten to the point where I need to retrieve player names based on the steam ID, and Steam has a function for this in their documentation: const char *pchName = SteamFriends()->GetPersonaName(steamID); However Visual Studio says that there...

Missing Relative Transform in AddPhysicsHandleComponent

I'm trying to rebuild the tutorial "Pick Up Physics Object Tutorial" and I need to use "Relative Transform" in "AddPhysicsHandleComponent" but it is not there. On this site https://docs.unrealengine.com/latest/INT/BlueprintAPI/AddComponent/Physics/AddPhysicsHandleComponent/index.html the AddPhysicsHandleComponent is shown exactly the way I need it but in Unreal Engine itself it appears without the "Relative Transform"....