Added base event-system

Added Help

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

@@ -1,6 +1,9 @@
 package eu.mhsl.craftattack.spawn.util;
 
+import eu.mhsl.craftattack.spawn.config.ConfigUtil;
+import eu.mhsl.craftattack.spawn.config.Configuration;
 import org.bukkit.Location;
+import org.bukkit.configuration.ConfigurationSection;
 import org.bukkit.entity.EntityType;
 import org.bukkit.entity.Villager;
 
@@ -43,4 +46,42 @@ public class DisplayVillager {
         villager.setCustomNameVisible(true);
         return villager;
     }
+
+    public static class ConfigBound {
+        private final DisplayVillager villager;
+        private final ConfigurationSection config;
+        public ConfigBound(ConfigurationSection configurationSection, Consumer<Villager> villagerCreator) {
+            this.config = configurationSection;
+
+            Location location = ConfigUtil.Position.paseLocation(Objects.requireNonNull(this.config.getConfigurationSection("villagerLocation")));
+            this.villager = new DisplayVillager(
+                    UUID.fromString(this.config.getString("uuid", UUID.randomUUID().toString())),
+                    location,
+                    villager -> {
+                        this.config.set("uuid", villager.getUniqueId().toString());
+                        Configuration.saveChanges();
+
+                        villagerCreator.accept(villager);
+                    }
+            );
+        }
+
+        public void updateLocation(Location location) {
+            ConfigUtil.Position.writeLocation(
+                    Objects.requireNonNull(this.config.getConfigurationSection("villagerLocation")),
+                    location
+            );
+            Configuration.saveChanges();
+
+            this.villager.getVillager().teleport(location);
+        }
+
+        public Villager getVillager() {
+            return villager.getVillager();
+        }
+
+        public UUID getUniqueId() {
+            return getVillager().getUniqueId();
+        }
+    }
 }

src/main/java/eu/mhsl/craftattack/spawn/util/commonListeners/DismissInventoryOpenFromHolder.java

@@ -0,0 +1,23 @@
+package eu.mhsl.craftattack.spawn.util.commonListeners;
+
+import org.bukkit.entity.Entity;
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.Listener;
+import org.bukkit.event.inventory.InventoryOpenEvent;
+
+import java.util.UUID;
+
+public class DismissInventoryOpenFromHolder implements Listener {
+    private final UUID inventoryHolder;
+
+    public DismissInventoryOpenFromHolder(UUID inventoryHolder) {
+        this.inventoryHolder = inventoryHolder;
+    }
+
+    @EventHandler
+    public void onInventoryOpen(InventoryOpenEvent event) {
+        if(event.getInventory().getHolder() instanceof Entity holder) {
+            if(holder.getUniqueId().equals(this.inventoryHolder)) event.setCancelled(true);
+        }
+    }
+}

src/main/java/eu/mhsl/craftattack/spawn/util/commonListeners/PlayerInteractAtEntityEventListener.java

@@ -0,0 +1,24 @@
+package eu.mhsl.craftattack.spawn.util.commonListeners;
+
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.Listener;
+import org.bukkit.event.player.PlayerInteractAtEntityEvent;
+
+import java.util.UUID;
+import java.util.function.Consumer;
+
+public class PlayerInteractAtEntityEventListener implements Listener {
+    private final UUID interactableEntityUUID;
+    private final Consumer<PlayerInteractAtEntityEvent> callback;
+
+    public PlayerInteractAtEntityEventListener(UUID interactableEntityUUID, Consumer<PlayerInteractAtEntityEvent> callback) {
+        this.interactableEntityUUID = interactableEntityUUID;
+        this.callback = callback;
+    }
+
+    @EventHandler
+    public void onInteract(PlayerInteractAtEntityEvent event) {
+        if (!event.getRightClicked().getUniqueId().equals(this.interactableEntityUUID)) return;
+        this.callback.accept(event);
+    }
+}