SpigotCore_Main/src/de/steamwar/inventory/SchematicSelector.java

@@ -279,7 +279,7 @@ public class SchematicSelector {
             }
         };
         if(filter.getOwner() == null) {
-            inv.setItem(1, Material.PLAYER_HEAD, Core.MESSAGE.parse("SCHEM_SELECTOR_FILTER_OWNER", player), ownerCallback);
+            inv.setItem(1, SWItem.getMaterial("SKULL_ITEM"), (byte) 3, Core.MESSAGE.parse("SCHEM_SELECTOR_FILTER_OWNER", player), ownerCallback);
         } else {
             SteamwarUser tUser = SteamwarUser.get(filter.getOwner());
             SWItem item = SWItem.getPlayerSkull(tUser.getUserName());

SpigotCore_Main/src/de/steamwar/providers/BauServerInfo.java

@@ -0,0 +1,47 @@
+/*
+    This file is a part of the SteamWar software.
+
+    Copyright (C) 2020  SteamWar.de-Serverteam
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Affero General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+    GNU Affero General Public License for more details.
+
+    You should have received a copy of the GNU Affero General Public License
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
+*/
+
+package de.steamwar.providers;
+
+import de.steamwar.sql.SteamwarUser;
+import org.bukkit.Bukkit;
+
+import java.util.UUID;
+
+public class BauServerInfo {
+    private static Integer bauOwner = null;
+
+    static {
+        try {
+            bauOwner = Integer.parseInt(Bukkit.getWorlds().get(0).getName());
+        } catch (NumberFormatException e) {
+            try {
+                bauOwner = SteamwarUser.get(UUID.fromString(Bukkit.getWorlds().get(0).getName())).getId();
+            } catch (IllegalArgumentException ignored) {}
+        }
+    }
+
+    public static Integer getOwnerId() {
+        return bauOwner;
+    }
+
+    public static boolean isBauServer() {
+        return bauOwner != null;
+    }
+}

SpigotCore_Main/src/de/steamwar/sql/Punishment.java

@@ -53,7 +53,7 @@ public class Punishment {
 
     public static boolean isPunished(SteamwarUser user, Punishment.PunishmentType type, Consumer<Punishment> callback) {
         Punishment punishment = Punishment.getPunishmentOfPlayer(user.getId(), type);
-        if(punishment == null || punishment.isCurrent()) {
+        if(punishment == null || !punishment.isCurrent()) {
             return false;
         } else {
             callback.accept(punishment);