Fix #3, don't pick up liquid in BucketMob.

Buckets no longer trigger BucketFillEvent if they are a Bucket Mob.

Author: Peashooter101

src/main/java/adhdmc/simplebucketmobs/listener/BucketMob.java

@@ -19,6 +19,7 @@
 import org.bukkit.event.EventPriority;
 import org.bukkit.event.Listener;
 import org.bukkit.event.entity.CreatureSpawnEvent;
+import org.bukkit.event.player.PlayerBucketFillEvent;
 import org.bukkit.event.player.PlayerInteractEntityEvent;
 import org.bukkit.event.player.PlayerInteractEvent;
 import org.bukkit.inventory.EquipmentSlot;
@@ -125,6 +126,16 @@ public void unbucketMob(PlayerInteractEvent event) {
         }
     }
 
+    @EventHandler(priority = EventPriority.NORMAL, ignoreCancelled = true)
+    public void noBucketLiquid(PlayerBucketFillEvent event) {
+        Player player = event.getPlayer();
+        ItemStack bucket = player.getEquipment().getItem(event.getHand());
+        if (bucket.getItemMeta().getPersistentDataContainer().has(mobNBTKey)) {
+            event.setCancelled(true);
+        }
+        // TODO: Make it so that when performing bucketMob and unbucketMob, the bucket does not collect liquid.
+    }
+
     /**
      * Serializes the NBT Data from the LivingEntity.
      * @param e LivingEntity