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da9d110d5b
This patch does not appear to be doing anything useful, and may hide errors. Currently, the save logic does not run through this path either so it did not do anything. Additionally, properly implement support for handling RegionFileSizeException in Moonrise.
65 lines
3.2 KiB
Diff
65 lines
3.2 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Mariell Hoversholm <proximyst@proximyst.com>
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Date: Thu, 30 Apr 2020 16:56:54 +0200
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Subject: [PATCH] Add Raw Byte ItemStack Serialization
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Serializes using NBT which is safer for server data migrations than bukkits format.
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diff --git a/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java b/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java
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index 61efb305e25b23fe6309276e15efdb41a46c7738..b50d1ddfd23bf1af16d86e5edcb72196b4674868 100644
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--- a/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java
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+++ b/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java
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@@ -480,6 +480,53 @@ public final class CraftMagicNumbers implements UnsafeValues {
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public com.destroystokyo.paper.util.VersionFetcher getVersionFetcher() {
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return new com.destroystokyo.paper.PaperVersionFetcher();
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}
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+
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+ @Override
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+ public byte[] serializeItem(ItemStack item) {
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+ Preconditions.checkNotNull(item, "null cannot be serialized");
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+ Preconditions.checkArgument(item.getType() != Material.AIR, "air cannot be serialized");
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+
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+ return serializeNbtToBytes((net.minecraft.nbt.CompoundTag) (item instanceof CraftItemStack ? ((CraftItemStack) item).handle : CraftItemStack.asNMSCopy(item)).save(MinecraftServer.getServer().registryAccess()));
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+ }
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+
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+ @Override
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+ public ItemStack deserializeItem(byte[] data) {
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+ Preconditions.checkNotNull(data, "null cannot be deserialized");
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+ Preconditions.checkArgument(data.length > 0, "cannot deserialize nothing");
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+
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+ net.minecraft.nbt.CompoundTag compound = deserializeNbtFromBytes(data);
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+ final int dataVersion = compound.getInt("DataVersion");
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+ compound = (net.minecraft.nbt.CompoundTag) MinecraftServer.getServer().fixerUpper.update(References.ITEM_STACK, new Dynamic<>(NbtOps.INSTANCE, compound), dataVersion, this.getDataVersion()).getValue();
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+ return CraftItemStack.asCraftMirror(net.minecraft.world.item.ItemStack.parse(MinecraftServer.getServer().registryAccess(), compound).orElseThrow());
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+ }
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+
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+ private byte[] serializeNbtToBytes(CompoundTag compound) {
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+ compound.putInt("DataVersion", getDataVersion());
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+ java.io.ByteArrayOutputStream outputStream = new java.io.ByteArrayOutputStream();
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+ try {
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+ net.minecraft.nbt.NbtIo.writeCompressed(
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+ compound,
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+ outputStream
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+ );
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+ } catch (IOException ex) {
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+ throw new RuntimeException(ex);
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+ }
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+ return outputStream.toByteArray();
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+ }
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+
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+ private net.minecraft.nbt.CompoundTag deserializeNbtFromBytes(byte[] data) {
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+ net.minecraft.nbt.CompoundTag compound;
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+ try {
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+ compound = net.minecraft.nbt.NbtIo.readCompressed(
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+ new java.io.ByteArrayInputStream(data), net.minecraft.nbt.NbtAccounter.unlimitedHeap()
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+ );
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+ } catch (IOException ex) {
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+ throw new RuntimeException(ex);
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+ }
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+ int dataVersion = compound.getInt("DataVersion");
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+ Preconditions.checkArgument(dataVersion <= getDataVersion(), "Newer version! Server downgrades are not supported!");
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+ return compound;
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+ }
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// Paper end
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/**
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