Follow the steps in Building the project

(optional) I suggest creating a new workspace for this

Configure your JDK 17

1. Window → Preferences → Gradle → Set the Java home (e.g. /usr/lib/jvm/java-17-openjdk-amd64) → Apply and Close

Import projects: File → Import... → Gradle → Existing Gradle Project → Next> → Next> → Browse... → Select the root of this repo → Finish

Install plugins

1. Help → Eclipse Marketplace... → Install the following: SpotBugs Eclipse plugin, Checkstyle Plug-in, SonarLint → restart

Configure Checkstyle

1. Right-click the "Feudal Tactics-core" project → Properties → Checkstyle → Check "Checkstyle active for this project" → also make sure the local configuration included in the repo is used

Configure save actions

1. Window → Preferences → Java → Editor → Save Actions → enable all → Apply and Close

Configure license header for new files

1. Window → Preferences → Java → Code Styles → Code Templates → Code → New Java files → Edit...
2. insert the following in the beginning // SPDX-License-Identifier: GPL-3.0-or-later, followed by an empty line
3. OK → Apply and Close

Import run configurations

1. File → Import → Run/Debug → Launch Configurations → Next > → Browse → Select the run_configs directory → Tick the configs you want to import → Finish