Added better client command-line config, and set up simple application packaging pipeline.

client/src/main/java/nl/andrewl/aos2_client/Client.java

@@ -26,7 +26,11 @@ import java.util.concurrent.ConcurrentHashMap;
 import java.util.concurrent.ConcurrentLinkedQueue;
 
 public class Client implements Runnable {
+	private final String host;
+	private final int port;
+	private final String username;
 	private final ClientConfig config;
+
 	private final CommunicationHandler communicationHandler;
 	private final InputHandler inputHandler;
 	private final Camera camera;
@@ -42,7 +46,10 @@ public class Client implements Runnable {
 	private final Chat chat;
 	private final Queue<Runnable> mainThreadActions;
 
-	public Client(ClientConfig config) {
+	public Client(ClientConfig config, String host, int port, String username) {
+		this.host = host;
+		this.port = port;
+		this.username = username;
 		this.config = config;
 		this.camera = new Camera();
 		this.players = new ConcurrentHashMap<>();
@@ -74,7 +81,7 @@ public class Client implements Runnable {
 	@Override
 	public void run() {
 		try {
-			communicationHandler.establishConnection();
+			communicationHandler.establishConnection(host, port, username);
 		} catch (IOException e) {
 			System.err.println("Couldn't connect to the server: " + e.getMessage());
 			return;
@@ -265,13 +272,21 @@ public class Client implements Runnable {
 	}
 
 	public static void main(String[] args) throws IOException {
+		if (args.length < 3) {
+			System.err.println("Missing required host, port, username args.");
+			System.exit(1);
+		}
+		String host = args[0].trim();
+		int port = Integer.parseInt(args[1]);
+		String username = args[2].trim();
+
 		List<Path> configPaths = Config.getCommonConfigPaths();
 		configPaths.add(0, Path.of("client.yaml")); // Add this first so we create client.yaml if needed.
-		if (args.length > 0) {
+		if (args.length > 3) {
-			configPaths.add(Path.of(args[0].trim()));
+			configPaths.add(Path.of(args[3].trim()));
 		}
 		ClientConfig clientConfig = Config.loadConfig(ClientConfig.class, configPaths, new ClientConfig(), "default-config.yaml");
-		Client client = new Client(clientConfig);
+		Client client = new Client(clientConfig, host, port, username);
 		client.run();
 	}
 }

client/src/main/java/nl/andrewl/aos2_client/CommunicationHandler.java

@@ -42,13 +42,11 @@ public class CommunicationHandler {
 		this.client = client;
 	}
 	
-	public void establishConnection() throws IOException {
+	public void establishConnection(String host, int port, String username) throws IOException {
 		if (socket != null && !socket.isClosed()) {
 			socket.close();
 		}
-		InetAddress address = InetAddress.getByName(client.getConfig().serverHost);
+		InetAddress address = InetAddress.getByName(host);
-		int port = client.getConfig().serverPort;
-		String username = client.getConfig().username;
 		System.out.printf("Connecting to server at %s, port %d, with username \"%s\"...%n", address, port, username);
 
 		socket = new Socket(address, port);

client/src/main/java/nl/andrewl/aos2_client/config/ClientConfig.java

@@ -1,9 +1,6 @@
 package nl.andrewl.aos2_client.config;
 
 public class ClientConfig {
-	public String serverHost = "localhost";
-	public int serverPort = 25565;
-	public String username = "player";
 	public InputConfig input = new InputConfig();
 	public DisplayConfig display = new DisplayConfig();
 

client/src/main/resources/default-config.yaml

@@ -1,8 +1,4 @@
 # Ace of Shades 2 Client Configuration
-# Set these properties to connect to a server.
-serverHost: localhost
-serverPort: 25565
-username: player
 
 # Settings for input.
 input:

launcher/package_linux.sh

@@ -0,0 +1,30 @@
+#!/usr/bin/env bash
+
+function join_by {
+   local d=${1-} f=${2-}
+   if shift 2; then
+     printf %s "$f" "${@/#/$d}"
+   fi
+}
+
+mvn clean package javafx:jlink -DskipDebug=true -DstripJavaDebugAttributes=true -DnoHeaderFiles=true -DnoManPages=true
+
+cd target
+module_jars=(lib/*)
+eligible_main_jars=("*jar-with-dependencies.jar")
+main_jar=(${eligible_main_jars[0]})
+module_path=$(join_by ";" ${module_jars[@]})
+module_path="$main_jar;$module_path"
+
+jpackage \
+  --name "Ace of Shades Launcher" \
+  --app-version "1.0.0" \
+  --description "Launcher app for Ace of Shades, a voxel-based first-person shooter." \
+  --linux-shortcut \
+  --linux-deb-maintainer "andrewlalisofficial@gmail.com" \
+  --linux-menu-group "Game" \
+  --runtime-image image \
+  --main-jar $main_jar \
+  --main-class nl.andrewl.aos2_launcher.Launcher \
+  --input .
+

launcher/pom.xml

@@ -11,8 +11,9 @@
     <properties>
         <maven.compiler.source>18</maven.compiler.source>
         <maven.compiler.target>18</maven.compiler.target>
-        <javafx.version>18.0.1</javafx.version>
+        <javafx.version>18.0.2</javafx.version>
         <javafx.maven.plugin.version>0.0.8</javafx.maven.plugin.version>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     </properties>
 
     <dependencies>
@@ -53,6 +54,46 @@
                     <target>17</target>
                 </configuration>
             </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-assembly-plugin</artifactId>
+                <version>3.3.0</version>
+                <configuration>
+                    <archive>
+                        <manifest>
+                            <mainClass>nl.andrewl.aos2_launcher.Launcher</mainClass>
+                        </manifest>
+                    </archive>
+                    <descriptorRefs>
+                        <descriptorRef>jar-with-dependencies</descriptorRef>
+                    </descriptorRefs>
+                </configuration>
+                <executions>
+                    <execution>
+                        <id>make-assembly</id>
+                        <phase>package</phase>
+                        <goals>
+                            <goal>single</goal>
+                        </goals>
+                    </execution>
+                </executions>
+            </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-dependency-plugin</artifactId>
+                <version>2.8</version>
+                <executions>
+                    <execution>
+                        <phase>package</phase>
+                        <goals>
+                            <goal>copy-dependencies</goal>
+                        </goals>
+                        <configuration>
+                            <outputDirectory>${project.build.directory}/lib</outputDirectory>
+                        </configuration>
+                    </execution>
+                </executions>
+            </plugin>
         </plugins>
     </build>
 

launcher/src/main/java/nl/andrewl/aos2_launcher/GameRunner.java

@@ -0,0 +1,70 @@
+package nl.andrewl.aos2_launcher;
+
+import javafx.application.Platform;
+import javafx.scene.control.Alert;
+import javafx.stage.Window;
+import nl.andrewl.aos2_launcher.model.Profile;
+import nl.andrewl.aos2_launcher.model.ProgressReporter;
+import nl.andrewl.aos2_launcher.model.Server;
+
+import java.io.IOException;
+import java.nio.file.Path;
+
+public class GameRunner {
+	public void run(Profile profile, Server server, ProgressReporter progressReporter, Window owner) {
+		SystemVersionValidator.getJreExecutablePath(progressReporter)
+				.whenCompleteAsync((jrePath, throwable) -> {
+					if (throwable != null) {
+						showPopup(
+								owner,
+								Alert.AlertType.ERROR,
+								"An error occurred while ensuring that you've got the latest Java runtime: " + throwable.getMessage()
+						);
+					} else {
+						VersionFetcher.INSTANCE.ensureVersionIsDownloaded(profile.getClientVersion(), progressReporter)
+								.whenCompleteAsync((clientJarPath, throwable2) -> {
+									progressReporter.disableProgress();
+									if (throwable2 != null) {
+										showPopup(
+												owner,
+												Alert.AlertType.ERROR,
+												"An error occurred while ensuring you've got the correct client version: " + throwable2.getMessage()
+										);
+									} else {
+										startGame(owner, profile, server, jrePath, clientJarPath);
+									}
+								});
+					}
+				});
+	}
+
+	private void startGame(Window owner, Profile profile, Server server, Path jrePath, Path clientJarPath) {
+		try {
+			Process p = new ProcessBuilder()
+					.command(
+							jrePath.toAbsolutePath().toString(),
+							"-jar", clientJarPath.toAbsolutePath().toString(),
+							server.getHost(),
+							Integer.toString(server.getPort()),
+							profile.getUsername()
+					)
+					.directory(profile.getDir().toFile())
+					.inheritIO()
+					.start();
+			p.wait();
+		} catch (IOException e) {
+			showPopup(owner, Alert.AlertType.ERROR, "An error occurred while starting the game: " + e.getMessage());
+		} catch (InterruptedException e) {
+			showPopup(owner, Alert.AlertType.ERROR, "The game was interrupted: " + e.getMessage());
+		}
+	}
+
+	private void showPopup(Window owner, Alert.AlertType type, String text) {
+		Platform.runLater(() -> {
+			Alert alert = new Alert(Alert.AlertType.ERROR);
+			alert.initOwner(owner);
+			alert.setContentText(text);
+			alert.show();
+		});
+	}
+}

launcher/src/main/java/nl/andrewl/aos2_launcher/Launcher.java

@@ -17,23 +17,21 @@ public class Launcher extends Application {
 	public static final Path BASE_DIR = Path.of(System.getProperty("user.home"), ".ace-of-shades");
 	public static final Path VERSIONS_DIR = BASE_DIR.resolve("versions");
 	public static final Path PROFILES_FILE = BASE_DIR.resolve("profiles.json");
+	public static final Path PROFILES_DIR =  BASE_DIR.resolve("profiles");
 	public static final Path JRE_PATH = BASE_DIR.resolve("jre");
 
 	@Override
 	public void start(Stage stage) throws IOException {
-		if (!Files.exists(BASE_DIR)) {
+		if (!Files.exists(BASE_DIR)) Files.createDirectory(BASE_DIR);
-			Files.createDirectory(BASE_DIR);
+		if (!Files.exists(VERSIONS_DIR)) Files.createDirectory(VERSIONS_DIR);
-		}
+		if (!Files.exists(PROFILES_DIR)) Files.createDirectory(PROFILES_DIR);
-		if (!Files.exists(VERSIONS_DIR)) {
-			Files.createDirectory(VERSIONS_DIR);
-		}
 		FXMLLoader loader = new FXMLLoader(Launcher.class.getResource("/main_view.fxml"));
 		Parent rootNode = loader.load();
 		Scene scene = new Scene(rootNode);
 		addStylesheet(scene, "/font/fonts.css");
 		addStylesheet(scene, "/styles.css");
 		stage.setScene(scene);
-		stage.setTitle("Ace of Shades 2 - Launcher");
+		stage.setTitle("Ace of Shades - Launcher");
 		stage.show();
 	}
 

launcher/src/main/java/nl/andrewl/aos2_launcher/MainViewController.java

@@ -2,29 +2,22 @@ package nl.andrewl.aos2_launcher;
 
 import javafx.application.Platform;
 import javafx.beans.binding.BooleanBinding;
-import javafx.beans.property.ObjectProperty;
+import javafx.collections.ListChangeListener;
-import javafx.beans.property.SimpleObjectProperty;
-import javafx.collections.FXCollections;
-import javafx.collections.ObservableList;
-import javafx.css.PseudoClass;
 import javafx.fxml.FXML;
-import javafx.scene.Node;
 import javafx.scene.control.Button;
 import javafx.scene.control.Label;
 import javafx.scene.control.ProgressBar;
 import javafx.scene.control.ProgressIndicator;
-import javafx.scene.input.MouseEvent;
 import javafx.scene.layout.VBox;
 import nl.andrewl.aos2_launcher.model.Profile;
 import nl.andrewl.aos2_launcher.model.ProfileSet;
 import nl.andrewl.aos2_launcher.model.ProgressReporter;
 import nl.andrewl.aos2_launcher.model.Server;
-import nl.andrewl.aos2_launcher.view.BindingUtil;
 import nl.andrewl.aos2_launcher.view.EditProfileDialog;
+import nl.andrewl.aos2_launcher.view.ElementList;
 import nl.andrewl.aos2_launcher.view.ProfileView;
 import nl.andrewl.aos2_launcher.view.ServerView;
 
-import java.io.IOException;
 import java.util.ArrayList;
 
 public class MainViewController implements ProgressReporter {
@@ -32,80 +25,42 @@ public class MainViewController implements ProgressReporter {
 	@FXML public Button editProfileButton;
 	@FXML public Button removeProfileButton;
 	@FXML public VBox profilesVBox;
+	private ElementList<Profile, ProfileView> profilesList;
 	@FXML public VBox serversVBox;
-	@FXML public Label selectedProfileLabel;
+	private ElementList<Server, ServerView> serversList;
-	@FXML public Label selectedServerLabel;
 
 	@FXML public VBox progressVBox;
 	@FXML public Label progressLabel;
 	@FXML public ProgressBar progressBar;
 
 	private final ProfileSet profileSet = new ProfileSet();
-	private final ObservableList<Server> servers = FXCollections.observableArrayList();
-	private final ObjectProperty<Server> selectedServer = new SimpleObjectProperty<>(null);
 
 	private final ServersFetcher serversFetcher = new ServersFetcher();
 
 	@FXML
 	public void initialize() {
-		BindingUtil.mapContent(serversVBox.getChildren(), servers, ServerView::new);
+		profilesList = new ElementList<>(profilesVBox, ProfileView::new, ProfileView.class, ProfileView::getProfile);
-		BindingUtil.mapContent(profilesVBox.getChildren(), profileSet.getProfiles(), ProfileView::new);
+		profileSet.selectedProfileProperty().addListener((observable, oldValue, newValue) -> profileSet.save());
-		profileSet.selectedProfileProperty().addListener((observable, oldValue, newValue) -> {
+		// A hack since we can't bind the profilesList's elements to the profileSet's.
-			if (newValue == null) {
+		profileSet.getProfiles().addListener((ListChangeListener<? super Profile>) c -> {
-				selectedProfileLabel.setText("None");
+			var selected = profileSet.getSelectedProfile();
-			} else {
+			profilesList.clear();
-				selectedProfileLabel.setText(newValue.getName());
+			profilesList.addAll(profileSet.getProfiles());
-			}
+			profilesList.selectElement(selected);
 		});
-		selectedServer.addListener((observable, oldValue, newValue) -> {
+		profileSet.loadOrCreateStandardFile();
-			if (newValue == null) {
+		profilesList.selectElement(profileSet.getSelectedProfile());
-				selectedServerLabel.setText("None");
+		profileSet.selectedProfileProperty().bind(profilesList.selectedElementProperty());
-			} else {
+
-				selectedServerLabel.setText(newValue.getName());
+		serversList = new ElementList<>(serversVBox, ServerView::new, ServerView.class, ServerView::getServer);
-			}
+
-		});
+		BooleanBinding playBind = profileSet.selectedProfileProperty().isNull().or(serversList.selectedElementProperty().isNull());
-		BooleanBinding playBind = profileSet.selectedProfileProperty().isNull().or(selectedServer.isNull());
 		playButton.disableProperty().bind(playBind);
 		editProfileButton.disableProperty().bind(profileSet.selectedProfileProperty().isNull());
 		removeProfileButton.disableProperty().bind(profileSet.selectedProfileProperty().isNull());
 
-		profilesVBox.addEventHandler(MouseEvent.MOUSE_CLICKED, event -> {
-			Node target = (Node) event.getTarget();
-			while (target != null) {
-				if (target instanceof ProfileView view) {
-					if (view.getProfile().equals(profileSet.getSelectedProfile()) && event.isControlDown()) {
-						selectProfile(null);
-					} else if (!event.isControlDown() && event.getClickCount() == 2) {
-						selectProfile(view);
-						editProfile();
-					} else {
-						selectProfile(view);
-					}
-					return;
-				}
-				target = target.getParent();
-			}
-			selectProfile(null);
-		});
-		serversVBox.addEventHandler(MouseEvent.MOUSE_CLICKED, event -> {
-			Node target = (Node) event.getTarget();
-			while (target != null) {
-				if (target instanceof ServerView view) {
-					if (view.getServer().equals(selectedServer.get()) && event.isControlDown()) {
-						selectServer(null);
-					} else {
-						selectServer(view);
-					}
-					return;
-				}
-				target = target.getParent();
-			}
-			selectServer(null);
-		});
 		progressVBox.managedProperty().bind(progressVBox.visibleProperty());
 		progressVBox.setVisible(false);
-		profileSet.loadOrCreateStandardFile();
-		updateProfileViewSelectedClass();
 		refreshServers();
 	}
 
@@ -117,8 +72,8 @@ public class MainViewController implements ProgressReporter {
 					return new ArrayList<>();
 				})
 				.thenAccept(newServers -> Platform.runLater(() -> {
-					this.servers.clear();
+					serversList.clear();
-					this.servers.addAll(newServers);
+					serversList.addAll(newServers);
 				}));
 	}
 
@@ -142,58 +97,12 @@ public class MainViewController implements ProgressReporter {
 
 	@FXML
 	public void play() {
-		Profile profile = profileSet.getSelectedProfile();
+		new GameRunner().run(
-		Server server = this.selectedServer.get();
+				profileSet.getSelectedProfile(),
-		SystemVersionValidator.getJreExecutablePath(this)
+				serversList.getSelectedElement(),
-						.thenAccept(jrePath -> {
+				this,
-							VersionFetcher.INSTANCE.ensureVersionIsDownloaded(profile.getClientVersion(), this)
+				this.profilesVBox.getScene().getWindow()
-									.thenAccept(clientJarPath -> {
+		);
-										try {
-											Process p = new ProcessBuilder()
-													.command(
-															jrePath.toAbsolutePath().toString(),
-															"-jar",
-															clientJarPath.toAbsolutePath().toString()
-													)
-													.directory(Launcher.BASE_DIR.toFile())
-													.inheritIO()
-													.start();
-											p.wait();
-										} catch (IOException e) {
-											e.printStackTrace();
-										} catch (InterruptedException e) {
-											throw new RuntimeException(e);
-										}
-									});
-						});
-	}
-
-	private void selectProfile(ProfileView view) {
-		Profile profile = view == null ? null : view.getProfile();
-		profileSet.selectProfile(profile);
-		updateProfileViewSelectedClass();
-	}
-
-	private void updateProfileViewSelectedClass() {
-		PseudoClass selectedClass = PseudoClass.getPseudoClass("selected");
-		for (var node : profilesVBox.getChildren()) {
-			ProfileView view = (ProfileView) node;
-			view.pseudoClassStateChanged(selectedClass, view.getProfile().equals(profileSet.getSelectedProfile()));
-		}
-	}
-
-	private void selectServer(ServerView view) {
-		Server server = view == null ? null : view.getServer();
-		selectedServer.set(server);
-		updateServerViewSelectedClass();
-	}
-
-	private void updateServerViewSelectedClass() {
-		PseudoClass selectedClass = PseudoClass.getPseudoClass("selected");
-		for (var node : serversVBox.getChildren()) {
-			ServerView view = (ServerView) node;
-			view.pseudoClassStateChanged(selectedClass, view.getServer().equals(selectedServer.get()));
-		}
 	}
 
 	@Override

launcher/src/main/java/nl/andrewl/aos2_launcher/SystemVersionValidator.java

@@ -62,8 +62,8 @@ public class SystemVersionValidator {
 		progressReporter.setActionText("Downloading JRE...");
 		HttpClient httpClient = HttpClient.newBuilder().followRedirects(HttpClient.Redirect.NORMAL).build();
 		HttpRequest.Builder requestBuilder = HttpRequest.newBuilder().GET().timeout(Duration.ofMinutes(5));
-		String preferredJreName = getPreferredJreName();
+		String jreArchiveName = getPreferredJreName();
-		String url = JRE_DOWNLOAD_URL + preferredJreName;
+		String url = JRE_DOWNLOAD_URL + jreArchiveName;
 		HttpRequest req = requestBuilder.uri(URI.create(url)).build();
 		return httpClient.sendAsync(req, HttpResponse.BodyHandlers.ofInputStream())
 				.thenApplyAsync(resp -> {
@@ -74,7 +74,7 @@ public class SystemVersionValidator {
 								FileUtils.deleteRecursive(Launcher.JRE_PATH);
 							}
 							Files.createDirectory(Launcher.JRE_PATH);
-							Path jreArchiveFile = Launcher.JRE_PATH.resolve(preferredJreName);
+							Path jreArchiveFile = Launcher.JRE_PATH.resolve(jreArchiveName);
 							FileUtils.downloadWithProgress(jreArchiveFile, resp, progressReporter);
 							progressReporter.setProgress(-1); // Indefinite progress.
 							progressReporter.setActionText("Unpacking JRE...");

launcher/src/main/java/nl/andrewl/aos2_launcher/VersionFetcher.java

@@ -38,8 +38,6 @@ public class VersionFetcher {
 
 	public VersionFetcher() {
 		this.availableReleases = new ArrayList<>();
-		System.out.println(System.getProperty("os.name"));
-		System.out.println(System.getProperty("os.arch"));
 	}
 
 	public CompletableFuture<ClientVersionRelease> getRelease(String versionTag) {
@@ -130,13 +128,12 @@ public class VersionFetcher {
 							JsonObject assetObj = asset.getAsJsonObject();
 							String name = assetObj.get("name").getAsString();
 							if (name.matches(regex)) {
-								System.out.println("Found matching asset: " + name);
 								return assetObj;
 							}
 						}
-						throw new RuntimeException("Couldn't find a matching release asset.");
+						throw new RuntimeException("Couldn't find a matching release asset for this system.");
 					} else {
-						throw new RuntimeException("Error while requesting release assets.");
+						throw new RuntimeException("Error while requesting release assets from GitHub: " + resp.statusCode());
 					}
 				});
 		return downloadUrlFuture.thenComposeAsync(asset -> {
@@ -145,7 +142,6 @@ public class VersionFetcher {
 			HttpRequest downloadRequest = HttpRequest.newBuilder(URI.create(url))
 					.GET().timeout(Duration.ofMinutes(5)).build();
 			Path file = Launcher.VERSIONS_DIR.resolve(fileName);
-			System.out.printf("Downloading %s to %s.%n", fileName, file.toAbsolutePath());
 			return httpClient.sendAsync(downloadRequest, HttpResponse.BodyHandlers.ofInputStream())
 					.thenApplyAsync(resp -> {
 						if (resp.statusCode() == 200) {
@@ -157,7 +153,7 @@ public class VersionFetcher {
 							}
 							return file;
 						} else {
-							throw new RuntimeException("Version download failed.");
+							throw new RuntimeException("Error while downloading release asset from GitHub: " + resp.statusCode());
 						}
 					});
 		});

launcher/src/main/java/nl/andrewl/aos2_launcher/model/Profile.java

@@ -2,24 +2,28 @@ package nl.andrewl.aos2_launcher.model;
 
 import javafx.beans.property.SimpleStringProperty;
 import javafx.beans.property.StringProperty;
+import nl.andrewl.aos2_launcher.Launcher;
 
+import java.nio.file.Path;
 import java.util.UUID;
 
 public class Profile {
 	private final UUID id;
 	private final StringProperty name;
-	private final StringProperty description;
+	private final StringProperty username;
 	private final StringProperty clientVersion;
+	private final StringProperty jvmArgs;
 
 	public Profile() {
-		this(UUID.randomUUID(), "", null, null);
+		this(UUID.randomUUID(), "", "Player", null, null);
 	}
 
-	public Profile(UUID id, String name, String description, String clientVersion) {
+	public Profile(UUID id, String name, String username, String clientVersion, String jvmArgs) {
 		this.id = id;
 		this.name = new SimpleStringProperty(name);
-		this.description = new SimpleStringProperty(description);
+		this.username = new SimpleStringProperty(username);
 		this.clientVersion = new SimpleStringProperty(clientVersion);
+		this.jvmArgs = new SimpleStringProperty(jvmArgs);
 	}
 
 	public UUID getId() {
@@ -34,12 +38,12 @@ public class Profile {
 		return name;
 	}
 
-	public String getDescription() {
+	public String getUsername() {
-		return description.get();
+		return username.get();
 	}
 
-	public StringProperty descriptionProperty() {
+	public StringProperty usernameProperty() {
-		return description;
+		return username;
 	}
 
 	public String getClientVersion() {
@@ -50,15 +54,31 @@ public class Profile {
 		return clientVersion;
 	}
 
+	public String getJvmArgs() {
+		return jvmArgs.get();
+	}
+
+	public StringProperty jvmArgsProperty() {
+		return jvmArgs;
+	}
+
 	public void setName(String name) {
 		this.name.set(name);
 	}
 
-	public void setDescription(String description) {
+	public void setUsername(String username) {
-		this.description.set(description);
+		this.username.set(username);
 	}
 
 	public void setClientVersion(String clientVersion) {
 		this.clientVersion.set(clientVersion);
 	}
+
+	public void setJvmArgs(String jvmArgs) {
+		this.jvmArgs.set(jvmArgs);
+	}
+
+	public Path getDir() {
+		return Launcher.PROFILES_DIR.resolve(id.toString());
+	}
 }

launcher/src/main/java/nl/andrewl/aos2_launcher/model/ProfileSet.java

@@ -6,6 +6,7 @@ import javafx.beans.property.SimpleObjectProperty;
 import javafx.collections.FXCollections;
 import javafx.collections.ObservableList;
 import nl.andrewl.aos2_launcher.Launcher;
+import nl.andrewl.aos2_launcher.util.FileUtils;
 
 import java.io.IOException;
 import java.nio.file.Files;
@@ -32,16 +33,26 @@ public class ProfileSet {
 
 	public void addNewProfile(Profile profile) {
 		profiles.add(profile);
-		selectedProfile.set(profile);
 		save();
+		try {
+			if (!Files.exists(profile.getDir())) {
+				Files.createDirectory(profile.getDir());
+			}
+		} catch (IOException e) {
+			throw new RuntimeException(e);
+		}
 	}
 
 	public void removeProfile(Profile profile) {
 		if (profile == null) return;
 		boolean removed = profiles.remove(profile);
 		if (removed) {
-			if (selectedProfile.get() != null && selectedProfile.get().equals(profile)) {
+			try {
-				selectedProfile.set(null);
+				if (Files.exists(profile.getDir())) {
+					FileUtils.deleteRecursive(profile.getDir());
+				}
+			} catch (IOException e) {
+				throw new RuntimeException(e);
 			}
 			save();
 		}
@@ -51,25 +62,27 @@ public class ProfileSet {
 		removeProfile(getSelectedProfile());
 	}
 
-	public void selectProfile(Profile profile) {
-		if (!profiles.contains(profile)) return;
-		selectedProfile.set(profile);
-	}
-
 	public void load(Path file) throws IOException {
 		try (var reader = Files.newBufferedReader(file)) {
 			JsonObject data = new Gson().fromJson(reader, JsonObject.class);
 			profiles.clear();
 			JsonElement selectedProfileIdElement = data.get("selectedProfileId");
-			UUID selectedProfileId = selectedProfileIdElement.isJsonNull() ? null : UUID.fromString(selectedProfileIdElement.getAsString());
+			UUID selectedProfileId = (selectedProfileIdElement == null || selectedProfileIdElement.isJsonNull())
+					? null
+					: UUID.fromString(selectedProfileIdElement.getAsString());
 			JsonArray profilesArray = data.getAsJsonArray("profiles");
 			for (JsonElement element : profilesArray) {
 				JsonObject profileObj = element.getAsJsonObject();
 				UUID id = UUID.fromString(profileObj.get("id").getAsString());
 				String name = profileObj.get("name").getAsString();
-				String description = profileObj.get("description").getAsString();
 				String clientVersion = profileObj.get("clientVersion").getAsString();
-				Profile profile = new Profile(id, name, description, clientVersion);
+				String username = profileObj.get("username").getAsString();
+				JsonElement jvmArgsElement = profileObj.get("jvmArgs");
+				String jvmArgs = null;
+				if (jvmArgsElement != null && jvmArgsElement.isJsonPrimitive() && jvmArgsElement.getAsJsonPrimitive().isString()) {
+					jvmArgs = jvmArgsElement.getAsString();
+				}
+				Profile profile = new Profile(id, name, username, clientVersion, jvmArgs);
 				profiles.add(profile);
 				if (selectedProfileId != null && selectedProfileId.equals(profile.getId())) {
 					selectedProfile.set(profile);
@@ -106,8 +119,9 @@ public class ProfileSet {
 			JsonObject obj = new JsonObject();
 			obj.addProperty("id", profile.getId().toString());
 			obj.addProperty("name", profile.getName());
-			obj.addProperty("description", profile.getDescription());
+			obj.addProperty("username", profile.getUsername());
 			obj.addProperty("clientVersion", profile.getClientVersion());
+			obj.addProperty("jvmArgs", profile.getJvmArgs());
 			profilesArray.add(obj);
 		}
 		data.add("profiles", profilesArray);
@@ -122,7 +136,7 @@ public class ProfileSet {
 			try {
 				save(lastFileUsed);
 			} catch (IOException e) {
-				e.printStackTrace();
+				throw new RuntimeException(e);
 			}
 		}
 	}

launcher/src/main/java/nl/andrewl/aos2_launcher/view/EditProfileDialog.java

@@ -19,12 +19,10 @@ import java.io.IOException;
 import java.util.Objects;
 
 public class EditProfileDialog extends Dialog<Profile> {
-	@FXML
+	@FXML public TextField nameField;
-	public TextField nameField;
+	@FXML public TextField usernameField;
-	@FXML
+	@FXML public ChoiceBox<String> clientVersionChoiceBox;
-	public TextArea descriptionTextArea;
+	@FXML public TextArea jvmArgsTextArea;
-	@FXML
-	public ChoiceBox<String> clientVersionChoiceBox;
 
 	private final ObjectProperty<Profile> profile;
 
@@ -40,18 +38,23 @@ public class EditProfileDialog extends Dialog<Profile> {
 			setTitle("Edit Profile");
 
 			BooleanBinding formInvalid = nameField.textProperty().isEmpty()
-					.or(clientVersionChoiceBox.valueProperty().isNull());
+					.or(clientVersionChoiceBox.valueProperty().isNull())
+					.or(usernameField.textProperty().isEmpty());
 			nameField.setText(profile.getName());
-			descriptionTextArea.setText(profile.getDescription());
+			usernameField.setText(profile.getUsername());
-			VersionFetcher.INSTANCE.getAvailableReleases().thenAccept(releases -> {
+			VersionFetcher.INSTANCE.getAvailableReleases().thenAccept(releases -> Platform.runLater(() -> {
-				Platform.runLater(() -> {
 				clientVersionChoiceBox.setItems(FXCollections.observableArrayList(releases.stream().map(ClientVersionRelease::tag).toList()));
+				// If the profile doesn't have a set version, use the latest release.
+				if (profile.getClientVersion() == null || profile.getClientVersion().isBlank()) {
 					String lastRelease = releases.size() == 0 ? null : releases.get(0).tag();
 					if (lastRelease != null) {
 						clientVersionChoiceBox.setValue(lastRelease);
 					}
-				});
+				} else {
-			});
+					clientVersionChoiceBox.setValue(profile.getClientVersion());
+				}
+			}));
+			jvmArgsTextArea.setText(profile.getJvmArgs());
 
 			DialogPane pane = new DialogPane();
 			pane.setContent(parent);
@@ -67,13 +70,9 @@ public class EditProfileDialog extends Dialog<Profile> {
 				}
 				var prof = this.profile.getValue();
 				prof.setName(nameField.getText().trim());
-				String descriptionText = descriptionTextArea.getText().trim();
+				prof.setUsername(usernameField.getText().trim());
-				if (descriptionText.isBlank()) {
-					prof.setDescription(null);
-				} else {
-					prof.setDescription(descriptionText);
-				}
 				prof.setClientVersion(clientVersionChoiceBox.getValue());
+				prof.setJvmArgs(jvmArgsTextArea.getText());
 				return this.profile.getValue();
 			});
 			setOnShowing(event -> Platform.runLater(() -> nameField.requestFocus()));

launcher/src/main/java/nl/andrewl/aos2_launcher/view/ElementList.java

@@ -0,0 +1,111 @@
+package nl.andrewl.aos2_launcher.view;
+
+import javafx.beans.property.ObjectProperty;
+import javafx.beans.property.SimpleObjectProperty;
+import javafx.collections.FXCollections;
+import javafx.collections.ObservableList;
+import javafx.css.PseudoClass;
+import javafx.scene.Node;
+import javafx.scene.input.MouseEvent;
+import javafx.scene.layout.Pane;
+
+import java.util.Collection;
+import java.util.function.Function;
+
+public class ElementList<T, V extends Node> {
+	private final Pane container;
+
+	private final ObjectProperty<T> selectedElement = new SimpleObjectProperty<>(null);
+	private final ObservableList<T> elements = FXCollections.observableArrayList();
+	private final Class<V> elementViewType;
+	private final Function<V, T> viewElementMapper;
+
+	public ElementList(
+			Pane container,
+			Function<T, V> elementViewMapper,
+			Class<V> elementViewType,
+			Function<V, T> viewElementMapper
+	) {
+		this.container = container;
+		this.elementViewType = elementViewType;
+		this.viewElementMapper = viewElementMapper;
+		BindingUtil.mapContent(container.getChildren(), elements, element -> {
+			V view = elementViewMapper.apply(element);
+			view.getStyleClass().add("element-list-item");
+			return view;
+		});
+		container.addEventHandler(MouseEvent.MOUSE_CLICKED, this::handleMouseClick);
+	}
+
+	@SuppressWarnings("unchecked")
+	private void handleMouseClick(MouseEvent event) {
+		Node target = (Node) event.getTarget();
+		while (target != null) {
+			if (target.getClass().equals(elementViewType)) {
+				V elementView = (V) target;
+				T targetElement = viewElementMapper.apply(elementView);
+				if (event.isControlDown()) {
+					if (selectedElement.get() == null) {
+						selectElement(targetElement);
+					} else {
+						selectElement(null);
+					}
+				} else {
+					selectElement(targetElement);
+				}
+				return; // Exit since we found a valid target.
+			}
+			target = target.getParent();
+		}
+		selectElement(null);
+	}
+
+	public void selectElement(T element) {
+		if (element != null && !elements.contains(element)) return;
+		selectedElement.set(element);
+		updateSelectedPseudoClass();
+	}
+
+	@SuppressWarnings("unchecked")
+	private void updateSelectedPseudoClass() {
+		PseudoClass selectedClass = PseudoClass.getPseudoClass("selected");
+		for (var node : container.getChildren()) {
+			if (!node.getClass().equals(elementViewType)) continue;
+			V view = (V) node;
+			T thisElement = viewElementMapper.apply(view);
+			view.pseudoClassStateChanged(selectedClass, thisElement.equals(selectedElement.get()));
+		}
+	}
+
+	public T getSelectedElement() {
+		return selectedElement.get();
+	}
+
+	public ObjectProperty<T> selectedElementProperty() {
+		return selectedElement;
+	}
+
+	public ObservableList<T> getElements() {
+		return elements;
+	}
+
+	public void clear() {
+		elements.clear();
+		selectElement(null);
+	}
+
+	public void add(T element) {
+		elements.add(element);
+	}
+
+	public void addAll(Collection<T> newElements) {
+		elements.addAll(newElements);
+	}
+
+	public void remove(T element) {
+		elements.remove(element);
+		if (element != null && element.equals(selectedElement.get())) {
+			selectElement(null);
+		}
+	}
+}

launcher/src/main/java/nl/andrewl/aos2_launcher/view/ProfileView.java

@@ -1,22 +1,35 @@
 package nl.andrewl.aos2_launcher.view;
 
+import javafx.fxml.FXML;
+import javafx.fxml.FXMLLoader;
+import javafx.scene.Node;
 import javafx.scene.control.Label;
-import javafx.scene.layout.VBox;
+import javafx.scene.layout.Pane;
 import nl.andrewl.aos2_launcher.model.Profile;
 
-public class ProfileView extends VBox {
+import java.io.IOException;
+
+public class ProfileView extends Pane {
 	private final Profile profile;
 
+	@FXML public Label nameLabel;
+	@FXML public Label clientVersionLabel;
+	@FXML public Label usernameLabel;
+
 	public ProfileView(Profile profile) {
 		this.profile = profile;
-		var nameLabel = new Label();
+
+		try {
+			FXMLLoader loader = new FXMLLoader(ProfileView.class.getResource("/profile_view.fxml"));
+			loader.setController(this);
+			Node node = loader.load();
+			getChildren().add(node);
+		} catch (IOException e) {
+			throw new RuntimeException(e);
+		}
 		nameLabel.textProperty().bind(profile.nameProperty());
-		var descriptionLabel = new Label();
+		clientVersionLabel.textProperty().bind(profile.clientVersionProperty());
-		descriptionLabel.textProperty().bind(profile.descriptionProperty());
+		usernameLabel.textProperty().bind(profile.usernameProperty());
-		var versionLabel = new Label();
-		versionLabel.textProperty().bind(profile.clientVersionProperty());
-		getChildren().addAll(nameLabel, descriptionLabel, versionLabel);
-		getStyleClass().add("list-item");
 	}
 
 	public Profile getProfile() {

launcher/src/main/resources/dialog/edit_profile.fxml

@@ -10,16 +10,20 @@
          <Insets bottom="10.0" left="10.0" right="10.0" top="10.0" />
       </padding>
       <AnchorPane VBox.vgrow="NEVER">
-         <Label text="Name" AnchorPane.bottomAnchor="0.0" AnchorPane.leftAnchor="0.0" AnchorPane.topAnchor="0.0" />
+         <Label text="Profile Name" AnchorPane.bottomAnchor="0.0" AnchorPane.leftAnchor="0.0" AnchorPane.topAnchor="0.0" />
          <TextField fx:id="nameField" promptText="Enter a name for the profile..." AnchorPane.bottomAnchor="0.0" AnchorPane.leftAnchor="150.0" AnchorPane.rightAnchor="0.0" AnchorPane.topAnchor="0.0" />
       </AnchorPane>
       <AnchorPane VBox.vgrow="NEVER">
-         <Label text="Description" AnchorPane.bottomAnchor="0.0" AnchorPane.leftAnchor="0.0" AnchorPane.topAnchor="0.0" />
+         <Label text="Username" AnchorPane.bottomAnchor="0.0" AnchorPane.leftAnchor="0.0" AnchorPane.topAnchor="0.0" />
-         <TextArea fx:id="descriptionTextArea" prefHeight="100.0" prefWidth="200.0" promptText="Add a description for this profile..." wrapText="true" AnchorPane.bottomAnchor="0.0" AnchorPane.leftAnchor="150.0" AnchorPane.rightAnchor="0.0" AnchorPane.topAnchor="0.0" />
+         <TextField fx:id="usernameField" promptText="Enter a username..." AnchorPane.bottomAnchor="0.0" AnchorPane.leftAnchor="150.0" AnchorPane.rightAnchor="0.0" AnchorPane.topAnchor="0.0" />
       </AnchorPane>
       <AnchorPane VBox.vgrow="NEVER">
          <Label text="Client Version" AnchorPane.bottomAnchor="0.0" AnchorPane.leftAnchor="0.0" AnchorPane.topAnchor="0.0" />
          <ChoiceBox fx:id="clientVersionChoiceBox" prefWidth="150.0" AnchorPane.bottomAnchor="0.0" AnchorPane.leftAnchor="150.0" AnchorPane.rightAnchor="0.0" AnchorPane.topAnchor="0.0" />
       </AnchorPane>
+      <AnchorPane>
+         <Label text="JVM Arguments" wrapText="true" AnchorPane.bottomAnchor="0.0" AnchorPane.leftAnchor="0.0" AnchorPane.topAnchor="0.0"/>
+         <TextArea fx:id="jvmArgsTextArea" prefHeight="100.0" prefWidth="200.0" AnchorPane.bottomAnchor="0.0" AnchorPane.leftAnchor="150.0" AnchorPane.rightAnchor="0.0" AnchorPane.topAnchor="0.0"/>
+      </AnchorPane>
    </VBox>
 </AnchorPane>

launcher/src/main/resources/main_view.fxml

@@ -1,11 +1,10 @@
 <?xml version="1.0" encoding="UTF-8"?>
 
-<?import javafx.geometry.*?>
+<?import javafx.geometry.Insets?>
 <?import javafx.scene.control.*?>
 <?import javafx.scene.layout.*?>
-<?import javafx.scene.text.*?>
+<?import javafx.scene.text.Font?>
-
+<VBox minHeight="300.0" minWidth="300.0" prefHeight="400.0" prefWidth="600.0" xmlns="http://javafx.com/javafx/16" xmlns:fx="http://javafx.com/fxml/1" fx:controller="nl.andrewl.aos2_launcher.MainViewController">
-<VBox maxHeight="1.7976931348623157E308" maxWidth="1.7976931348623157E308" minHeight="300.0" minWidth="300.0" prefHeight="400.0" prefWidth="600.0" xmlns="http://javafx.com/javafx/16" xmlns:fx="http://javafx.com/fxml/1" fx:controller="nl.andrewl.aos2_launcher.MainViewController">
     <TabPane tabClosingPolicy="UNAVAILABLE" VBox.vgrow="ALWAYS">
         <Tab text="Profiles">
             <VBox>
@@ -31,31 +30,26 @@
         </Tab>
     </TabPane>
     <HBox alignment="CENTER" styleClass="button-bar" VBox.vgrow="NEVER">
-        <HBox alignment="CENTER_LEFT" spacing="5" HBox.hgrow="NEVER">
+        <Button
-            <Label text="Profile: " />
+                fx:id="playButton"
-            <Label fx:id="selectedProfileLabel" text="None" />
+                mnemonicParsing="false"
-        </HBox>
+                onAction="#play"
-        <Button fx:id="playButton" mnemonicParsing="false" onAction="#play" text="Play" />
+                text="Play"
-        <HBox alignment="CENTER_LEFT" spacing="5" HBox.hgrow="NEVER">
+        />
-            <Label text="Server: " />
-            <Label fx:id="selectedServerLabel" text="None" />
-        </HBox>
     </HBox>
     <VBox fx:id="progressVBox" VBox.vgrow="NEVER">
-      <children>
         <AnchorPane VBox.vgrow="NEVER">
-            <children>
+            <padding>
-               <Label fx:id="progressLabel" text="Work in progress..." AnchorPane.bottomAnchor="0.0" AnchorPane.leftAnchor="0.0" AnchorPane.topAnchor="0.0">
+                <Insets bottom="5.0" left="5.0" right="5.0" top="5.0"/>
+            </padding>
+            <Label fx:id="progressLabel" text="Work in progress..." AnchorPane.bottomAnchor="0.0"
+                   AnchorPane.leftAnchor="0.0" AnchorPane.topAnchor="0.0">
                 <font>
-                     <Font size="10.0" />
+                    <Font size="10.0"/>
                 </font>
             </Label>
-               <ProgressBar fx:id="progressBar" prefWidth="200.0" progress="0.0" AnchorPane.bottomAnchor="0.0" AnchorPane.rightAnchor="0.0" AnchorPane.topAnchor="0.0" />
+            <ProgressBar fx:id="progressBar" prefWidth="200.0" progress="0.0" AnchorPane.bottomAnchor="0.0"
-            </children>
+                         AnchorPane.rightAnchor="0.0" AnchorPane.topAnchor="0.0"/>
-            <padding>
-               <Insets bottom="5.0" left="5.0" right="5.0" top="5.0" />
-            </padding>
         </AnchorPane>
-      </children>
     </VBox>
 </VBox>

launcher/src/main/resources/profile_view.fxml

@@ -0,0 +1,31 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<?import javafx.geometry.Insets?>
+<?import javafx.scene.control.*?>
+<?import javafx.scene.layout.*?>
+<BorderPane prefWidth="300.0" xmlns="http://javafx.com/javafx/16" xmlns:fx="http://javafx.com/fxml/1">
+   <padding><Insets top="5" bottom="5" left="5" right="5"/></padding>
+   <top>
+      <Label fx:id="nameLabel" text="Profile Name" BorderPane.alignment="CENTER_LEFT" style="-fx-font-size: 16px; -fx-font-weight: bold;">
+         <BorderPane.margin>
+            <Insets bottom="5.0" />
+         </BorderPane.margin>
+      </Label>
+   </top>
+   <center>
+      <VBox BorderPane.alignment="CENTER">
+         <AnchorPane VBox.vgrow="NEVER">
+            <Label text="Client Version" AnchorPane.bottomAnchor="0.0" AnchorPane.leftAnchor="0.0"
+                   AnchorPane.topAnchor="0.0"/>
+            <Label fx:id="clientVersionLabel" text="v1.0.0" textAlignment="RIGHT" AnchorPane.bottomAnchor="0.0"
+                   AnchorPane.rightAnchor="0.0" AnchorPane.topAnchor="0.0" style="-fx-font-weight: bold;"/>
+         </AnchorPane>
+         <AnchorPane VBox.vgrow="NEVER">
+            <Label text="Username" AnchorPane.bottomAnchor="0.0" AnchorPane.leftAnchor="0.0"
+                   AnchorPane.topAnchor="0.0"/>
+            <Label fx:id="usernameLabel" text="Player" textAlignment="RIGHT" AnchorPane.bottomAnchor="0.0"
+                   AnchorPane.rightAnchor="0.0" AnchorPane.topAnchor="0.0" style="-fx-font-weight: bold;"/>
+         </AnchorPane>
+      </VBox>
+   </center>
+</BorderPane>

launcher/src/main/resources/styles.css

@@ -13,7 +13,7 @@
     -fx-spacing: 5;
 }
 
-.list-item:selected {
+.element-list-item:selected {
     -fx-background-color: #e3e3e3;
 }