Paper/patches/server/0366-Add-Raw-Byte-ItemStack-Serialization.patch
Jake Potrebic 4e994669d3
Updated Upstream (Bukkit/CraftBukkit/Spigot) (#8874)
Upstream has released updates that appear to apply and compile correctly.
This update has not been tested by PaperMC and as with ANY update, please do your own testing

Bukkit Changes:
6b3c598b PR-814: Add a method to send multiple equipment changes
181a984b Update Maven shade version to align with CraftBukkit
a5a36e32 Revert "Update Maven shade version to align with CraftBukkit"
7a8f4a42 Update Maven shade version to align with CraftBukkit
58327201 Add support for Java 20

CraftBukkit Changes:
b56426c7a PR-1142: Calculate explosion damage separately for each affected EntityComplexPart
fbe3410af PR-1140: Add a method to send multiple equipment changes
8434e3633 Add support for Java 20
c998a1d23 Increase outdated build delay
4a929b5d6 SPIGOT-7267: Fix EntityType#getTranslationKey() and add unit test
086d8dc8a SPIGOT-7268: CraftMetaPotion reads ShowParticles and ShowIcon properties incorrectly
8ba5e399e SPIGOT-7262: Improve visibility API

Spigot Changes:
a2190e30 Rebuild patches
2023-03-10 12:18:50 -08:00

65 lines
3.0 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Mariell Hoversholm <proximyst@proximyst.com>
Date: Thu, 30 Apr 2020 16:56:54 +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/craftbukkit/util/CraftMagicNumbers.java b/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java
index 289276ae40409868c6293c5ab3bafe54c2ccf15c..69b126c8bbba26f517e0d314b3629b2445349770 100644
--- a/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java
+++ b/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java
@@ -460,6 +460,52 @@ public final class CraftMagicNumbers implements UnsafeValues {
public com.destroystokyo.paper.util.VersionFetcher getVersionFetcher() {
return new com.destroystokyo.paper.PaperVersionFetcher();
}
+
+ @Override
+ public byte[] serializeItem(ItemStack item) {
+ Preconditions.checkNotNull(item, "null cannot be serialized");
+ Preconditions.checkArgument(item.getType() != Material.AIR, "air cannot be serialized");
+
+ return serializeNbtToBytes((item instanceof CraftItemStack ? ((CraftItemStack) item).handle : CraftItemStack.asNMSCopy(item)).save(new CompoundTag()));
+ }
+
+ @Override
+ public ItemStack deserializeItem(byte[] data) {
+ Preconditions.checkNotNull(data, "null cannot be deserialized");
+ Preconditions.checkArgument(data.length > 0, "cannot deserialize nothing");
+
+ CompoundTag compound = deserializeNbtFromBytes(data);
+ int dataVersion = compound.getInt("DataVersion");
+ return CraftItemStack.asCraftMirror(net.minecraft.world.item.ItemStack.of(ca.spottedleaf.dataconverter.minecraft.MCDataConverter.convertTag(ca.spottedleaf.dataconverter.minecraft.datatypes.MCTypeRegistry.ITEM_STACK, compound, dataVersion, getDataVersion())));
+ }
+
+ private byte[] serializeNbtToBytes(CompoundTag compound) {
+ compound.putInt("DataVersion", getDataVersion());
+ java.io.ByteArrayOutputStream outputStream = new java.io.ByteArrayOutputStream();
+ try {
+ net.minecraft.nbt.NbtIo.writeCompressed(
+ compound,
+ outputStream
+ );
+ } catch (IOException ex) {
+ throw new RuntimeException(ex);
+ }
+ return outputStream.toByteArray();
+ }
+
+ private CompoundTag deserializeNbtFromBytes(byte[] data) {
+ CompoundTag compound;
+ try {
+ compound = net.minecraft.nbt.NbtIo.readCompressed(
+ new java.io.ByteArrayInputStream(data)
+ );
+ } catch (IOException ex) {
+ throw new RuntimeException(ex);
+ }
+ int dataVersion = compound.getInt("DataVersion");
+ Preconditions.checkArgument(dataVersion <= getDataVersion(), "Newer version! Server downgrades are not supported!");
+ return compound;
+ }
// Paper end
/**