Fix NPE

src/de/steamwar/lobby/display/NPC.java

@@ -221,8 +221,10 @@ public class NPC {
 
     private void move(Player player) {
         TinyProtocol.instance.sendPacket(player, headRotation);
+        if (move != null) {
             TinyProtocol.instance.sendPacket(player, move);
         }
+    }
 
     public void delete() {
         display.delete();

src/de/steamwar/lobby/team/TeamPlayer.java

@@ -23,6 +23,7 @@ import de.steamwar.lobby.LobbySystem;
 import de.steamwar.lobby.display.NPC;
 import de.steamwar.lobby.listener.BasicListener;
 import de.steamwar.sql.SteamwarUser;
+import lombok.AllArgsConstructor;
 import org.bukkit.Bukkit;
 import org.bukkit.Location;
 import org.bukkit.World;
@@ -35,12 +36,37 @@ import org.bukkit.event.entity.EntityInteractEvent;
 import org.bukkit.potion.PotionEffect;
 import org.bukkit.potion.PotionEffectType;
 
+import java.util.ArrayList;
 import java.util.HashMap;
+import java.util.List;
 import java.util.Map;
 import java.util.logging.Level;
 
 public class TeamPlayer extends BasicListener {
 
+    @AllArgsConstructor
+    private static class Cuboid {
+        private double x1;
+        private double y1;
+        private double z1;
+        private double x2;
+        private double y2;
+        private double z2;
+
+        public boolean contains(Location location) {
+            return location.getX() >= x1 && location.getX() <= x2 && location.getY() >= y1 && location.getY() <= y2 && location.getZ() >= z1 && location.getZ() <= z2;
+        }
+    }
+
+    private static final List<Cuboid> cuboids = new ArrayList<>();
+    static {
+        cuboids.add(new Cuboid(1509, 52, 1464, 1510, 58, 1469));
+        cuboids.add(new Cuboid(1538, 52, 1464, 1539, 58, 1469));
+        cuboids.add(new Cuboid(1518, 55, 1433, 1530, 60, 1434));
+        cuboids.add(new Cuboid(1587, 52, 1471, 1588, 56, 1475));
+        cuboids.add(new Cuboid(1479, 52, 1461, 1478, 56, 1463));
+    }
+
     private static final World world = Bukkit.getWorlds().get(0);
     private static final Map<String, NPC> entities = new HashMap<>();
 
@@ -53,7 +79,7 @@ public class TeamPlayer extends BasicListener {
         villager.setInvulnerable(true);
         villager.addPotionEffect(new PotionEffect(PotionEffectType.INVISIBILITY, Integer.MAX_VALUE, 1, false, false, false));
         villager.setCustomName(name);
-        villager.setProfession(Villager.Profession.NITWIT);
+        villager.setProfession(Villager.Profession.NONE);
         entities.put(name, npc);
     }
 
@@ -85,12 +111,25 @@ public class TeamPlayer extends BasicListener {
             world.getEntitiesByClasses(Villager.class).forEach(entity -> {
                 NPC npc = entities.get(entity.getName());
                 if (npc != null) {
+                    if (illegalLocation(entity.getLocation())) {
+                        entity.teleport(npc.getLocation());
+                        return;
+                    }
                     npc.setLocation(entity.getLocation());
                 }
             });
         }, 1L, 1L);
     }
 
+    private boolean illegalLocation(Location location) {
+        for (Cuboid cuboid : cuboids) {
+            if (cuboid.contains(location)) {
+                return true;
+            }
+        }
+        return false;
+    }
+
     @EventHandler
     public void onEntityInteract(EntityInteractEvent event) {
         if (event.getEntityType() == EntityType.VILLAGER) {