Moved resources and added package.bat for windows installer generation.

client/package.bat

@@ -0,0 +1,9 @@
+cd target
+jpackage^
+ --type exe^
+ --name "Ace-of-Shades"^
+ --description "Top-down 2D shooter game inspired by Ace of Spades."^
+ --module-path "aos-client-3.1.jar;../../core/target/aos-core-3.1.jar"^
+ --module aos_client/nl.andrewlalis.aos_client.Client^
+ --win-shortcut^
+ --win-dir-chooser

client/src/main/java/nl/andrewlalis/aos_client/SoundManager.java

@@ -21,7 +21,7 @@ public class SoundManager {
 	private Clip getClip(String sound) {
 		var soundBytes = this.soundData.get(sound);
 		if (soundBytes == null) {
-			InputStream is = Client.class.getResourceAsStream("/sound/" + sound);
+			InputStream is = Client.class.getResourceAsStream("/nl/andrewlalis/aos_client/sound/" + sound);
 			if (is == null) {
 				System.err.println("Could not load sound: " + sound);
 				return null;

client/src/main/java/nl/andrewlalis/aos_client/view/GameFrame.java

@@ -16,7 +16,7 @@ public class GameFrame extends JFrame {
 	public GameFrame(String title, Client client, GamePanel gamePanel) throws HeadlessException {
 		super(title);
 		this.setDefaultCloseOperation(DISPOSE_ON_CLOSE);
-		InputStream iconInputStream = GameFrame.class.getClassLoader().getResourceAsStream("icon.png");
+		InputStream iconInputStream = GameFrame.class.getClassLoader().getResourceAsStream("/nl/andrewlalis/aos_client/icon.png");
 		if (iconInputStream != null) {
 			try {
 				this.setIconImage(ImageIO.read(iconInputStream));

pom.xml

@@ -17,6 +17,9 @@
 	<properties>
 		<maven.compiler.source>16</maven.compiler.source>
 		<maven.compiler.target>16</maven.compiler.target>
+		<maven.compiler.release>16</maven.compiler.release>
+		<java.version>16</java.version>
+		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
 	</properties>
 
 	<build>

server/src/main/java/nl/andrewlalis/aos_server/ClientHandler.java

@@ -50,6 +50,7 @@ public class ClientHandler extends Thread {
 	}
 
 	public void send(Message message) {
+		if (this.socket.isClosed()) return;
 		this.sendingQueue.submit(() -> {
 			try {
 				this.out.reset();