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"It was from a different time before books were as jank as they are now. As time has gone on they've only proven to be worse and worse."
59 lines
2.8 KiB
Diff
59 lines
2.8 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 ad8d6a84e1a66e03ae15269e36bc787148f12396..d18f8d7c699893740fa709ef1f0caa4390e7eb20 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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@@ -378,6 +378,46 @@ public final class CraftMagicNumbers implements UnsafeValues {
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public boolean isSupportedApiVersion(String apiVersion) {
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return apiVersion != null && SUPPORTED_API.contains(apiVersion);
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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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+ java.io.ByteArrayOutputStream outputStream = new java.io.ByteArrayOutputStream();
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+ CompoundTag compound = (item instanceof CraftItemStack ? ((CraftItemStack) item).handle : CraftItemStack.asNMSCopy(item)).save(new CompoundTag());
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+ compound.putInt("DataVersion", getDataVersion());
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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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+
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+ return outputStream.toByteArray();
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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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+ try {
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+ CompoundTag compound = net.minecraft.nbt.NbtIo.readCompressed(
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+ new java.io.ByteArrayInputStream(data)
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+ );
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+ int dataVersion = compound.getInt("DataVersion");
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+
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+ Preconditions.checkArgument(dataVersion <= getDataVersion(), "Newer version! Server downgrades are not supported!");
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+ Dynamic<Tag> converted = DataFixers.getDataFixer().update(References.ITEM_STACK, new Dynamic<Tag>(NbtOps.INSTANCE, compound), dataVersion, getDataVersion());
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+ return CraftItemStack.asCraftMirror(net.minecraft.world.item.ItemStack.of((CompoundTag) converted.getValue()));
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+ } catch (IOException ex) {
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+ com.destroystokyo.paper.util.SneakyThrow.sneaky(ex);
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+ throw new RuntimeException();
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+ }
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+ }
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// Paper end
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/**
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