Intro There are things, that come up time and time again. One of those things is creating a string version of Enum values in Unreal Engine. For this and other cases, we started to condense some of our utility and helper functions into a module. This module can then be used…

Intro Going directly to source is sometimes the right move. On macOS that would be the core libraries using Objective-C. In this example, we use CoreWLAN to ask for information on the current wlan interface connection. You can find the complete source on github. Setup Structure We have a makefile at project root…

Intro Structuring the data in your solutions is a vital part of success. Epic Games has made a quite convenient to integrate custom structs into Unreal Engine’s infrastructure. In this article, we take a look at how we can achieve integration of a custom struct into the Engine’s hashing system. This…

Intro This is the second installment of the UE4 custom shader development series, where we have a look at how to use custom shader code in your materials, as well as build and reference a resuable codebase. In the first part we discussed setting up the environment to house our shaders…

Intro As part of an ongoing series about developing custom shaders for plugins in Unreal Engine, we start off by looking at how we setup the environment. Preface Unreal Engine’s Material and Shader System is very powerful and fun to work with. If you find yourself in need of some advanced features…

How to deal with error X3004 “/Engine/Generated/Material.ush(1964,56–152): error x3004: undeclared identifier…

Unreal Engine 4.21 ships with version 2018.1.1 of Autodesk’s FBXSDK. It’s used when importing or exporting FBX 3D data into your project using Unreal Editor. Sometimes it may be necessary to load or save 3D meshes at runtime. It’s mostly pretty straight forward to integrate third-party software into your packaged…