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Installation
kotlin-unreal is developed using Unreal 4.26.1-5.0.1 and Kotlin 1.4.31, but may work with other versions too.
Make sure you can build and run a Unreal C++ project. If you are not sure, create a new Third Person C++ Project and install all the required dependencies.
- Install Unreal.js plugin in your engine. The easiest way is finding it on the Unreal Marketplace: https://www.unrealengine.com/marketplace/en-US/product/unrealjs
If you can't find it in the Unreal Marketplace, you can install it manually following this instructions: https://github.com/ncsoft/Unreal.js/
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Clone or download this repository
Optionally change to a branch matching your engine version:
master branch will always be updated with the latest Unreal Engine version
Unreal Engine 5
Unreal Engine 4
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You should be able to right click the file "KotlinUnreal.uproject" and select "Launch Game"
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You might be asked to recompile or update the project to your engine version and after that you should be seeing the First Person Game example.
- IntelliJ IDEA Community: https://www.jetbrains.com/idea/download/
Open the project with the Unreal Editor and open and play the maps located on the Maps directory inside the Content folder. Some of them might look empty at first, but the Kotlin magic will fill them with surprises when you get into the Play mode.
Now it will be a good time to configure IntelliJ IDEA to be able to code.
Next: Configure IntelliJ IDEA