Paper/patches/server/0838-Added-byte-array-serialization-deserialization-for-P.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Nex <nex@bits.team>
Date: Thu, 24 Feb 2022 16:28:07 +0100
Subject: [PATCH] Added byte array serialization/deserialization for
 PersistentDataContainers


diff --git a/src/main/java/org/bukkit/craftbukkit/persistence/CraftPersistentDataContainer.java b/src/main/java/org/bukkit/craftbukkit/persistence/CraftPersistentDataContainer.java
index 43545bac94fbf118a982b654fbe0d6afc6e25897..416d2ca909d30e267fb97082a0aaac90444510de 100644
--- a/src/main/java/org/bukkit/craftbukkit/persistence/CraftPersistentDataContainer.java
+++ b/src/main/java/org/bukkit/craftbukkit/persistence/CraftPersistentDataContainer.java
@@ -180,4 +180,27 @@ public class CraftPersistentDataContainer implements PersistentDataContainer {
         this.customDataTags.clear();
     }
     // Paper end
+
+    // Paper start - byte array serialization
+    @Override
+    public byte[] serializeToBytes() throws java.io.IOException {
+        final net.minecraft.nbt.CompoundTag root = this.toTagCompound();
+        final java.io.ByteArrayOutputStream byteArrayOutput = new java.io.ByteArrayOutputStream();
+        try (final java.io.DataOutputStream dataOutput = new java.io.DataOutputStream(byteArrayOutput)) {
+            net.minecraft.nbt.NbtIo.write(root, dataOutput);
+            return byteArrayOutput.toByteArray();
+        }
+    }
+
+    @Override
+    public void readFromBytes(final byte[] bytes, final boolean clear) throws java.io.IOException {
+        if (clear) {
+            this.clear();
+        }
+        try (final java.io.DataInputStream dataInput = new java.io.DataInputStream(new java.io.ByteArrayInputStream(bytes))) {
+            final net.minecraft.nbt.CompoundTag compound = net.minecraft.nbt.NbtIo.read(dataInput);
+            this.putAll(compound);
+        }
+    }
+    // Paper end - byte array serialization
 }