From a6d8fa2eac1d7a51c70229f84edea9ea90ba4fd0 Mon Sep 17 00:00:00 2001
From: md_5 <git@md-5.net>
Date: Mon, 2 Jan 2017 15:29:11 +1100
Subject: Recover spawn egg data from UNSPECIFIC meta.

---
 .../org/bukkit/craftbukkit/inventory/CraftMetaItem.java  | 14 ++++++++++----
 .../bukkit/craftbukkit/inventory/CraftMetaSpawnEgg.java  | 16 ++++++++++++++++
 2 files changed, 26 insertions(+), 4 deletions(-)

diff --git a/src/main/java/org/bukkit/craftbukkit/inventory/CraftMetaItem.java b/src/main/java/org/bukkit/craftbukkit/inventory/CraftMetaItem.java
index bb764444..09e2d246 100644
--- a/src/main/java/org/bukkit/craftbukkit/inventory/CraftMetaItem.java
+++ b/src/main/java/org/bukkit/craftbukkit/inventory/CraftMetaItem.java
@@ -224,6 +224,7 @@ class CraftMetaItem implements ItemMeta, Repairable {
 
     private static final Set<String> HANDLED_TAGS = Sets.newHashSet();
 
+    private NBTTagCompound internalTag;
     private final Map<String, NBTBase> unhandledTags = new HashMap<String, NBTBase>();
 
     CraftMetaItem(CraftMetaItem meta) {
@@ -245,6 +246,11 @@ class CraftMetaItem implements ItemMeta, Repairable {
         this.hideFlag = meta.hideFlag;
         this.unbreakable = meta.unbreakable;
         this.unhandledTags.putAll(meta.unhandledTags);
+
+        this.internalTag = meta.internalTag;
+        if (this.internalTag != null) {
+            deserializeInternal(internalTag);
+        }
     }
 
     CraftMetaItem(NBTTagCompound tag) {
@@ -388,12 +394,12 @@ class CraftMetaItem implements ItemMeta, Repairable {
         if (internal != null) {
             ByteArrayInputStream buf = new ByteArrayInputStream(Base64.decodeBase64(internal));
             try {
-                NBTTagCompound tag = NBTCompressedStreamTools.a(buf);
-                deserializeInternal(tag);
-                Set<String> keys = tag.c();
+                internalTag = NBTCompressedStreamTools.a(buf);
+                deserializeInternal(internalTag);
+                Set<String> keys = internalTag.c();
                 for (String key : keys) {
                     if (!getHandledTags().contains(key)) {
-                        unhandledTags.put(key, tag.get(key));
+                        unhandledTags.put(key, internalTag.get(key));
                     }
                 }
             } catch (IOException ex) {
diff --git a/src/main/java/org/bukkit/craftbukkit/inventory/CraftMetaSpawnEgg.java b/src/main/java/org/bukkit/craftbukkit/inventory/CraftMetaSpawnEgg.java
index 22199ed7..b98c02ff 100644
--- a/src/main/java/org/bukkit/craftbukkit/inventory/CraftMetaSpawnEgg.java
+++ b/src/main/java/org/bukkit/craftbukkit/inventory/CraftMetaSpawnEgg.java
@@ -3,7 +3,9 @@ package org.bukkit.craftbukkit.inventory;
 import com.google.common.base.Preconditions;
 import com.google.common.collect.ImmutableMap.Builder;
 import java.util.Map;
+import net.minecraft.server.DataConverterTypes;
 import net.minecraft.server.MinecraftKey;
+import net.minecraft.server.MinecraftServer;
 import net.minecraft.server.NBTTagCompound;
 import org.bukkit.Material;
 import org.bukkit.configuration.serialization.DelegateDeserialization;
@@ -50,6 +52,20 @@ public class CraftMetaSpawnEgg extends CraftMetaItem implements SpawnEggMeta {
         setSpawnedType(EntityType.fromName(entityType));
     }
 
+    @Override
+    void deserializeInternal(NBTTagCompound tag) {
+        super.deserializeInternal(tag);
+
+        if (tag.hasKey(ENTITY_TAG.NBT)) {
+            entityTag = tag.getCompound(ENTITY_TAG.NBT);
+            MinecraftServer.getServer().getDataConverterManager().a(DataConverterTypes.ENTITY, entityTag); // PAIL: convert
+
+            if (entityTag.hasKey(ENTITY_ID.NBT)) {
+                this.spawnedType = EntityType.fromName(new MinecraftKey(entityTag.getString(ENTITY_ID.NBT)).a()); // PAIL: rename
+            }
+        }
+    }
+
     @Override
     void applyToItem(NBTTagCompound tag) {
         super.applyToItem(tag);
-- 
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