{
  inputs = {
    nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
    flake-parts.url = "github:hercules-ci/flake-parts";
    systems.url = "github:nix-systems/default";
  };

  outputs = inputs:
    inputs.flake-parts.lib.mkFlake { inherit inputs; } {
      systems = import inputs.systems;

      perSystem = { config, self', pkgs, lib, system, ... }: let
      
         pkgs = import inputs.nixpkgs {
          inherit system;
          config.allowUnfree = true;
        };
	
	javaVersions = with pkgs; [

          { name = "JDK17"; pkg = pkgs.javaPackages.compiler.openjdk17; }
          { name = "JDK21"; pkg = pkgs.javaPackages.compiler.openjdk21; }
          { name = "JDK8"; pkg = pkgs.javaPackages.compiler.openjdk8; }
        ];
        
        javaPackages = map (j: j.pkg) javaVersions;
        
        primaryJava = builtins.head javaPackages;
        
        ide = pkgs.writeShellScriptBin "ide" "${pkgs.jetbrains.idea-oss}/bin/idea-oss $PROJECT_PATH";
	
        nativeBuildInputs = with pkgs; [
          primaryJava
          git
          
        ];

        buildInputs = with pkgs; [
          libGL
          glfw3-minecraft # Not always needed, but in case it is, it's here.
          flite # TTS
          libpulseaudio
          #(gradle.override {java = primaryJava;})
          
          #pkgs.javaPackages.compiler.openjdk17
	      (pkgs.gradle-packages.mkGradle {version = "8.14.3"; defaultJava = primaryJava; hash = "sha256-vXEQIhNJMGCVbsIp2Ua+7lcVjb2J0OYrkbyg+ixfNTE=";})
        ];
      in {
        devShells.default = pkgs.mkShell {
          inherit nativeBuildInputs buildInputs;
          
          shellHook = ''
            export PROJECT_PATH="$PWD"
            ${ide}/bin/ide
            exit
          '';

          env = {
            LD_LIBRARY_PATH = lib.makeLibraryPath buildInputs;
            JAVA_HOME = "${primaryJava.home}";
            PROJECT_PATH="$PWD";
          } // (builtins.listToAttrs (map (j: { name = j.name; value = j.pkg.home; }) javaVersions));
        };
      };
    };
}