Server versioning

README.md

@@ -59,6 +59,12 @@ make it more difficult for you. I didn't plan to open the source from the beginn
 write notes for myself in my native tongue.
 
 ## Server
-Deploy to Heroku or dokku with
+To set up a multiplayer server with a vserver, you can deploy to Heroku or dokku with
 
-     git subtree push --prefix server remotename master
+     git subtree push --prefix server remotename master
+
+For local play or other setups, you can build a jar file with
+
+     gradlew server:build
+
+OpenJDK8 for building and using recommended.

server/build.gradle

@@ -46,7 +46,7 @@ task run(dependsOn: classes, type: JavaExec) {
 task stage(dependsOn: ['build', 'clean'])
 build.mustRunAfter clean
 jar {
-    archiveBaseName = "server"
+    archiveFileName.set("server.jar")
     manifest {
         attributes 'Main-Class': mainClassNameServer
     }

server/gradle/wrapper/gradle-wrapper.properties

@@ -3,4 +3,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-6.7-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.7.1-all.zip

server/src/de/golfgl/lightblocks/server/LightblocksServer.java

@@ -23,7 +23,7 @@
 import de.golfgl.lightblocks.server.model.ServerInfo;
 
 public class LightblocksServer extends WebSocketServer implements ApplicationListener {
-    public static final int SERVER_VERSION = 1; // reported to the clients, don't mess with it
+    public static final int SERVER_VERSION = 2102; // reported to the clients, don't mess with it
 
     final ServerConfiguration serverConfig;
     final Serializer serializer = new Serializer();
@@ -131,6 +131,8 @@ public void onStart() {
                 Gdx.app.error("Server", "Could not register for service discovery.", e);
             }
         }
+
+        Gdx.app.log("Server", "Server version: " + SERVER_VERSION);
     }
 
     @Override