papermc/patches/server/0365-Add-Raw-Byte-ItemStack-Serialization.patch
Nassim Jahnke d8e07590e3
Updated Upstream (Bukkit/CraftBukkit)
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:
5dbedae1 PR-864: Fix Registry#match() failing namespaced inputs
49256865 PR-863: Fix boolean PersistentDataType
9f15450b SPIGOT-7195, SPIGOT-7197: Add DataPack API
ebef5b6a Disable InterfaceIsType Checkstyle check
01d577f5 Slight tweak to boolean PersistentDataType javadoc
d2b99e56 PR-857: Add boolean PersistentDataType

CraftBukkit Changes:
2270366cd PR-1196: Test Registry instances more thoroughly
863dacb7a PR-1191: Do not start on pre-release Java 17
1f2dd8e12 SPIGOT-7362: Properly handle null in CraftBlock#blockFaceToNotch()
dbc70bed5 SPIGOT-7195, SPIGOT-7197: Add DataPack API
2023-06-06 11:09:19 +02:00

64 lines
3 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 4aa7969297cfbbbfe4964a3f793d9f11d684a713..f6eae5756dd7919938ca8265bfeba84fba3ec644 100644
--- a/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java
+++ b/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java
@@ -468,6 +468,52 @@ 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
/**