Refactored npc villager system

src/main/java/eu/mhsl/craftattack/spawn/util/DisplayVillager.java

@@ -0,0 +1,46 @@
+package eu.mhsl.craftattack.spawn.util;
+
+import org.bukkit.Location;
+import org.bukkit.entity.EntityType;
+import org.bukkit.entity.Villager;
+
+import java.util.Objects;
+import java.util.UUID;
+import java.util.function.Consumer;
+
+public class DisplayVillager {
+    private final Location location;
+    private Villager villager;
+
+    public DisplayVillager(UUID uuid, Location location, Consumer<Villager> villagerCreator) {
+        this.location = location;
+
+        try {
+            ChunkUtils.loadChunkAtLocation(this.location);
+            this.villager = (Villager) this.location.getWorld().getEntity(uuid);
+            Objects.requireNonNull(this.villager);
+        } catch (NullPointerException | IllegalArgumentException e) {
+            this.villager = getBaseVillager();
+            villagerCreator.accept(this.villager);
+        }
+
+        this.villager.teleport(this.location);
+    }
+
+    public Villager getVillager() {
+        return villager;
+    }
+
+    private Villager getBaseVillager() {
+        Villager villager = (Villager) this.location.getWorld().spawnEntity(this.location, EntityType.VILLAGER);
+
+        villager.setRemoveWhenFarAway(false);
+        villager.setInvulnerable(true);
+        villager.setPersistent(true);
+        villager.setGravity(false);
+        villager.setAI(false);
+        villager.setCollidable(false);
+        villager.setCustomNameVisible(true);
+        return villager;
+    }
+}