[ci skip] Move some disruptive patches back

1 files changed, 64 insertions, 0 deletions

diff --git a/patches/server/0341-Add-Raw-Byte-ItemStack-Serialization.patch b/patches/server/0341-Add-Raw-Byte-ItemStack-Serialization.patch
new file mode 100644
index 0000000000..afd9646f91
--- /dev/null
+++ b/patches/server/0341-Add-Raw-Byte-ItemStack-Serialization.patch
@@ -0,0 +1,64 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Mariell Hoversholm <[email protected]>
+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 e31ead0d99203a018757cb2e765b5d28dd373eef..2ff5d2c357a4832e2624ef53fb0110d61fddc6fc 100644
+--- a/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java
++++ b/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java
+@@ -458,6 +458,52 @@ 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), net.minecraft.nbt.NbtAccounter.unlimitedHeap()
++            );
++        } 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
+ 
+     /**