Paper/patches/api/0188-Add-Raw-Byte-ItemStack-Serialization.patch

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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Mariell Hoversholm <proximyst@proximyst.com>
Date: Thu, 30 Apr 2020 16:56:31 +0200
Subject: [PATCH] Add Raw Byte ItemStack Serialization
Serializes using NBT which is safer for server data migrations than bukkits format.
diff --git a/src/main/java/org/bukkit/UnsafeValues.java b/src/main/java/org/bukkit/UnsafeValues.java
index a6aa33b9574d0278e10927007a62290e1d102e73..beddcb13a598d799c8ae1cec9c01c900e38b1458 100644
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--- a/src/main/java/org/bukkit/UnsafeValues.java
+++ b/src/main/java/org/bukkit/UnsafeValues.java
@@ -126,5 +126,9 @@ public interface UnsafeValues {
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default com.destroystokyo.paper.util.VersionFetcher getVersionFetcher() {
return new com.destroystokyo.paper.util.VersionFetcher.DummyVersionFetcher();
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}
+
+ byte[] serializeItem(ItemStack item);
+
+ ItemStack deserializeItem(byte[] data);
// Paper end
}
diff --git a/src/main/java/org/bukkit/inventory/ItemStack.java b/src/main/java/org/bukkit/inventory/ItemStack.java
index 60a25898fb17c467ffae05039fcd4d3b154a99ff..3da071798b89e1dd1453f4339af87933cdf0105e 100644
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--- a/src/main/java/org/bukkit/inventory/ItemStack.java
+++ b/src/main/java/org/bukkit/inventory/ItemStack.java
@@ -639,6 +639,30 @@ public class ItemStack implements Cloneable, ConfigurationSerializable, Translat
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return Bukkit.getServer().getItemFactory().ensureServerConversions(this);
}
+ /**
+ * Deserializes this itemstack from raw NBT bytes. NBT is safer for data migrations as it will
+ * use the built in data converter instead of bukkits dangerous serialization system.
+ *
+ * This expects that the DataVersion was stored on the root of the Compound, as saved from
+ * the {@link #serializeAsBytes()} API returned.
+ * @param bytes bytes representing an item in NBT
+ * @return ItemStack migrated to this version of Minecraft if needed.
+ */
+ @NotNull
+ public static ItemStack deserializeBytes(@NotNull byte[] bytes) {
+ return org.bukkit.Bukkit.getUnsafe().deserializeItem(bytes);
+ }
+
+ /**
+ * Serializes this itemstack to raw bytes in NBT. NBT is safer for data migrations as it will
+ * use the built in data converter instead of bukkits dangerous serialization system.
+ * @return bytes representing this item in NBT.
+ */
+ @NotNull
+ public byte[] serializeAsBytes() {
+ return org.bukkit.Bukkit.getUnsafe().serializeItem(this);
+ }
+
/**
* Gets the Display name as seen in the Client.
* Currently the server only supports the English language. To override this,