added distribution task to client buildscript

wizard-client/wizard-client-libgdx/desktop/build.gradle

@@ -1,14 +1,17 @@
-//file:noinspection GroovyAssignabilityCheck
-//file:noinspection GroovyAccessibility
-ext {
-    javaMainClass = "eu.jonahbauer.wizard.client.libgdx.desktop.DesktopLauncher"
-    assetsDir = new File("../core/src/main/resources")
+plugins {
+    id 'application'
 }
 
-task run(type: JavaExec, dependsOn: classes) {
-    mainClass = javaMainClass
-    classpath = sourceSets.main.runtimeClasspath
-    standardInput = System.in
-    workingDir = project.assetsDir
-    ignoreExitValue true
+application {
+    mainClass = "eu.jonahbauer.wizard.client.libgdx.desktop.DesktopLauncher"
+
+    run {
+        ignoreExitValue true
+    }
+}
+
+distributions {
+    main {
+        distributionBaseName = 'wizard-client'
+    }
 }

wizard-client/wizard-client-libgdx/desktop/src/main/java/eu/jonahbauer/wizard/client/libgdx/desktop/DesktopLauncher.java

@@ -1,14 +1,14 @@
 package eu.jonahbauer.wizard.client.libgdx.desktop;
 
-import com.badlogic.gdx.backends.lwjgl.LwjglApplication;
-import com.badlogic.gdx.backends.lwjgl.LwjglApplicationConfiguration;
+import com.badlogic.gdx.backends.lwjgl3.Lwjgl3Application;
+import com.badlogic.gdx.backends.lwjgl3.Lwjgl3ApplicationConfiguration;
 import eu.jonahbauer.wizard.client.libgdx.WizardGame;
 
 public class DesktopLauncher {
 	public static void main (String[] arg) {
-		LwjglApplicationConfiguration config = new LwjglApplicationConfiguration();
-		config.title = "Wizard Jubilaeumsedition 2021";
-		config.foregroundFPS = 60;
-		new LwjglApplication(new WizardGame(), config);
+		Lwjgl3ApplicationConfiguration config = new Lwjgl3ApplicationConfiguration();
+		config.setTitle("Wizard Jubilaeumsedition 2021");
+		config.setForegroundFPS(60);
+		new Lwjgl3Application(new WizardGame(), config);
 	}
 }