Not intended for Multiplayer or Mobile

Building for Desktop Testing

1. Install JDK 17.
2. Run gradlew jar [1].
3. Your mod jar will be in the build/libs directory. Only use this version for testing on desktop. It will not work with Android. To build an Android-compatible version, you need the Android SDK. You can either let Github Actions handle this, or set it up yourself. See steps below.

Building Locally

Building locally takes more time to set up, but shouldn't be a problem if you've done Android development before.

1. Download the Android SDK, unzip it and set the ANDROID_HOME environment variable to its location.
2. Make sure you have API level 30 installed, as well as any recent version of build tools (e.g. 30.0.1)
3. Add a build-tools folder to your PATH. For example, if you have 30.0.1 installed, that would be $ANDROID_HOME/build-tools/30.0.1.
4. Run gradlew deploy. If you did everything correctlly, this will create a jar file in the build/libs directory that can be run on both Android and desktop.

Adding Dependencies

Please note that all dependencies on Mindustry, Arc or its submodules must be declared as compileOnly in Gradle. Never use implementation for core Mindustry or Arc dependencies.

• implementation places the entire dependency in the jar, which is, in most mod dependencies, very undesirable. You do not want the entirety of the Mindustry API included with your mod.
• compileOnly means that the dependency is only around at compile time, and not included in the jar.

Only use implementation if you want to package another Java library with your mod, and that library is not present in Mindustry already.

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[1] On Linux/Mac it's ./gradlew, but if you're using Linux I assume you know how to run executables properly anyway.
[2]: Yes, I know this is stupid. It's a Github UI limitation - while the jar itself is uploaded unzipped, there is currently no way to download it as a single file.