Merge pull request 'Prevent arena start dos' (#280) from dosPrevention into master

Reviewed-on: SteamWar/BungeeCore#280
Reviewed-by: YoyoNow <jwsteam@nidido.de>

src/de/steamwar/bungeecore/commands/BauCommand.java

@@ -247,7 +247,6 @@ public class BauCommand extends BasicCommand {
     }
 
     private static void deleteWorld(ProxiedPlayer player, String world) {
-        Message.send("BAU_DELETE_DELETED", player);
         ProxyServer.getInstance().getScheduler().runAsync(BungeeCore.get(), () -> {
             for (Subserver subserver : Subserver.getServerList()) {
                 if (subserver.getType() == Servertype.BAUSERVER && ((Bauserver) subserver).getOwner().equals(player.getUniqueId())) {
@@ -256,16 +255,20 @@ public class BauCommand extends BasicCommand {
                 }
             }
             SubserverSystem.deleteFolder(Node.local, world);
+            Message.send("BAU_DELETE_DELETED", player);
         });
     }
 
     public static boolean stopBauserver(ProxiedPlayer p){
+        for (Subserver subserver : Subserver.getServerList()) {
+            if (subserver.getType() == Servertype.BAUSERVER && ((Bauserver) subserver).getOwner().equals(p.getUniqueId()) && !subserver.hasStarted()) {
+                Message.send("BAU_START_ALREADY", p);
+                return false;
+            }
+        }
+
         for (Subserver subserver : Subserver.getServerList()) {
             if (subserver.getType() == Servertype.BAUSERVER && ((Bauserver) subserver).getOwner().equals(p.getUniqueId())) {
-                if(!subserver.hasStarted()){
-                    Message.send("BAU_START_ALREADY", p);
-                    return false;
-                }
                 subserver.stop();
                 try {
                     Thread.sleep(200); // Wait until possible testarena-World has been deleted