geforkt von Mirrors/Paper
103 Zeilen
5.3 KiB
Diff
103 Zeilen
5.3 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/net/minecraft/nbt/NbtIo.java b/src/main/java/net/minecraft/nbt/NbtIo.java
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index b3838e709c1581c25da7738c9a03a827761845b1..05ace1d046e32a261e67bff5afc18c2d32e1a8aa 100644
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--- a/src/main/java/net/minecraft/nbt/NbtIo.java
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+++ b/src/main/java/net/minecraft/nbt/NbtIo.java
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@@ -51,6 +51,7 @@ public class NbtIo {
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return nbttagcompound;
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}
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+ public static CompoundTag readNBT(InputStream inputstream) throws IOException { return readCompressed(inputstream); } // Paper - OBFHELPER
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public static CompoundTag readCompressed(InputStream stream) throws IOException {
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DataInputStream datainputstream = new DataInputStream(new BufferedInputStream(new GZIPInputStream(stream)));
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Throwable throwable = null;
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@@ -106,6 +107,7 @@ public class NbtIo {
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}
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+ public static void writeNBT(CompoundTag nbttagcompound, OutputStream outputstream) throws IOException { writeCompressed(nbttagcompound, outputstream); } // Paper - OBFHELPER
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public static void writeCompressed(CompoundTag tag, OutputStream stream) throws IOException {
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DataOutputStream dataoutputstream = new DataOutputStream(new BufferedOutputStream(new GZIPOutputStream(stream)));
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Throwable throwable = null;
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diff --git a/src/main/java/net/minecraft/util/datafix/DataFixers.java b/src/main/java/net/minecraft/util/datafix/DataFixers.java
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index 950a4b67f9091af551ec1036ebeb943e3b335e91..dc4e2fc26e1bc2c545f955d30c052bb86e3ef614 100644
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--- a/src/main/java/net/minecraft/util/datafix/DataFixers.java
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+++ b/src/main/java/net/minecraft/util/datafix/DataFixers.java
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@@ -78,6 +78,7 @@ public class DataFixers {
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return datafixerbuilder.build(Util.bootstrapExecutor());
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}
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+ public static DataFixer getDataFixer() { return getDataFixer(); } // Paper - OBFHELPER
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public static DataFixer getDataFixer() {
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return DataFixers.DATA_FIXER;
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}
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diff --git a/src/main/java/net/minecraft/world/item/ItemStack.java b/src/main/java/net/minecraft/world/item/ItemStack.java
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index ac996d581925c8f92832009945c766962e5b51c5..458cdfbeac9d757c9721acd4557a548affa0ede1 100644
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--- a/src/main/java/net/minecraft/world/item/ItemStack.java
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+++ b/src/main/java/net/minecraft/world/item/ItemStack.java
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@@ -196,6 +196,7 @@ public final class ItemStack {
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this.updateEmptyCacheFlag();
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}
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+ public static ItemStack fromCompound(CompoundTag nbttagcompound) { return of(nbttagcompound); } // Paper - OBFHELPER
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public static ItemStack of(CompoundTag tag) {
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try {
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return new ItemStack(tag);
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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 86b319337fc41a09dd45df466df60cadaed1343f..a5a5038a84434e69fda8f6b41d2f00b4989e25ae 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).getHandle() : 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.writeNBT(
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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.readNBT(
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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.fromCompound((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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