Prevent starting multiple baus at once

Signed-off-by: Lixfel <agga-games@gmx.de>

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

@@ -259,16 +259,22 @@ public class BauCommand extends BasicCommand {
         });
     }
 
-    public static boolean stopBauserver(ProxiedPlayer p){
+    private static boolean startingBau(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;
+                return true;
             }
         }
+        return false;
+    }
+
+    public static boolean stopBauserver(ProxiedPlayer p){
+        if(startingBau(p))
+            return false;
 
         for (Subserver subserver : Subserver.getServerList()) {
-            if (subserver.getType() == Servertype.BAUSERVER && ((Bauserver) subserver).getOwner().equals(p.getUniqueId())) {
+            if (subserver.getType() == Servertype.BAUSERVER && ((Bauserver) subserver).getOwner().equals(p.getUniqueId()) && subserver.hasStarted()) {
                 subserver.stop();
                 try {
                     Thread.sleep(200); // Wait until possible testarena-World has been deleted
@@ -278,7 +284,8 @@ public class BauCommand extends BasicCommand {
                 break;
             }
         }
-        return true;
+
+        return !startingBau(p);
     }
 
     private static void testarena(ProxiedPlayer p, String[] args){