From 61ff05d0d5cb8d60cc52a6baea8b96553ddc7a82 Mon Sep 17 00:00:00 2001
From: Jake Potrebic <jake.m.potrebic@gmail.com>
Date: Tue, 11 Jul 2023 11:22:30 -0700
Subject: [PATCH] fix item meta for tadpole buckets

---
 .../craftbukkit/inventory/CraftItemMetas.java |  2 +-
 .../inventory/CraftMetaEntityTag.java         |  1 +
 .../craftbukkit/inventory/ItemMetaTest.java   | 21 +++++++++++++++++++
 3 files changed, 23 insertions(+), 1 deletion(-)

diff --git a/paper-server/src/main/java/org/bukkit/craftbukkit/inventory/CraftItemMetas.java b/paper-server/src/main/java/org/bukkit/craftbukkit/inventory/CraftItemMetas.java
index 4f5568707d..d29f4dd980 100644
--- a/paper-server/src/main/java/org/bukkit/craftbukkit/inventory/CraftItemMetas.java
+++ b/paper-server/src/main/java/org/bukkit/craftbukkit/inventory/CraftItemMetas.java
@@ -265,7 +265,7 @@ public final class CraftItemMetas {
         if (itemType == ItemType.SUSPICIOUS_STEW) {
             return CraftItemMetas.asType(CraftItemMetas.SUSPICIOUS_STEW_META_DATA);
         }
-        if (itemType == ItemType.COD_BUCKET || itemType == ItemType.PUFFERFISH_BUCKET
+        if (itemType == ItemType.COD_BUCKET || itemType == ItemType.PUFFERFISH_BUCKET || itemType == ItemType.TADPOLE_BUCKET // Paper
                 || itemType == ItemType.SALMON_BUCKET || itemType == ItemType.ITEM_FRAME
                 || itemType == ItemType.GLOW_ITEM_FRAME || itemType == ItemType.PAINTING) {
             return CraftItemMetas.asType(CraftItemMetas.ENTITY_TAG_META_DATA);
diff --git a/paper-server/src/main/java/org/bukkit/craftbukkit/inventory/CraftMetaEntityTag.java b/paper-server/src/main/java/org/bukkit/craftbukkit/inventory/CraftMetaEntityTag.java
index 27af7ca9d6..3ff0340c40 100644
--- a/paper-server/src/main/java/org/bukkit/craftbukkit/inventory/CraftMetaEntityTag.java
+++ b/paper-server/src/main/java/org/bukkit/craftbukkit/inventory/CraftMetaEntityTag.java
@@ -19,6 +19,7 @@ public class CraftMetaEntityTag extends CraftMetaItem {
             Material.COD_BUCKET,
             Material.PUFFERFISH_BUCKET,
             Material.SALMON_BUCKET,
+            Material.TADPOLE_BUCKET, // Paper
             Material.ITEM_FRAME,
             Material.GLOW_ITEM_FRAME,
             Material.PAINTING
diff --git a/paper-server/src/test/java/org/bukkit/craftbukkit/inventory/ItemMetaTest.java b/paper-server/src/test/java/org/bukkit/craftbukkit/inventory/ItemMetaTest.java
index 6cc54035af..c27f37fd8a 100644
--- a/paper-server/src/test/java/org/bukkit/craftbukkit/inventory/ItemMetaTest.java
+++ b/paper-server/src/test/java/org/bukkit/craftbukkit/inventory/ItemMetaTest.java
@@ -209,6 +209,27 @@ public class ItemMetaTest {
         }
     }
 
+    // Paper start - check entity tag metas
+    private static final java.util.Set<Class<?>> ENTITY_TAG_METAS = java.util.Set.of(
+        CraftMetaEntityTag.class,
+        CraftMetaTropicalFishBucket.class,
+        CraftMetaAxolotlBucket.class
+    );
+    @Test
+    public void testEntityTagMeta() {
+        for (final Item item : BuiltInRegistries.ITEM) {
+            if (item instanceof net.minecraft.world.item.HangingEntityItem || item instanceof net.minecraft.world.item.MobBucketItem) {
+                ItemStack stack = new ItemStack(CraftItemType.minecraftToBukkit(item));
+                assertTrue(ENTITY_TAG_METAS.contains(stack.getItemMeta().getClass()), "missing entity tag meta handling for " + item);
+                stack = CraftItemStack.asNewCraftStack(net.minecraft.world.item.Items.STONE);
+                stack.editMeta(meta -> meta.displayName(net.kyori.adventure.text.Component.text("hello")));
+                stack.setType(CraftItemType.minecraftToBukkit(item));
+                assertTrue(ENTITY_TAG_METAS.contains(stack.getItemMeta().getClass()), "missing entity tag meta handling for " + item);
+            }
+        }
+    }
+    // Paper end
+
     @Test
     public void testEachExtraData() {
         final List<StackProvider> providers = Arrays.asList(