Paper/patches/server/0466-Support-old-UUID-format-for-NBT.patch

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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Mon, 29 Jun 2020 03:26:17 -0400
Subject: [PATCH] Support old UUID format for NBT
We have stored UUID in plenty of places that did not get DFU'd
So just look for old format and load it if it exists.
diff --git a/src/main/java/net/minecraft/nbt/CompoundTag.java b/src/main/java/net/minecraft/nbt/CompoundTag.java
index 1aa3af8c7714b2c850fb4264c863db8e639e6284..2a805d6bbeede50898d36258976ff25ee0aea165 100644
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--- a/src/main/java/net/minecraft/nbt/CompoundTag.java
+++ b/src/main/java/net/minecraft/nbt/CompoundTag.java
@@ -121,6 +121,12 @@ public class CompoundTag implements Tag {
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public void setUUID(String prefix, UUID uuid) { putUUID(prefix, uuid); } // Paper - OBFHELPER
public void putUUID(String key, UUID value) {
+ // Paper start - support old format
+ if (this.contains(key + "Most", 99) && this.contains(key + "Least", 99)) {
+ this.tags.remove(key + "Most");
+ this.tags.remove(key + "Least");
+ }
+ // Paper end
this.tags.put(key, NbtUtils.createUUID(value));
}
@@ -129,10 +135,20 @@ public class CompoundTag implements Tag {
* You must use {@link #hasUUID(String)} before or else it <b>will</b> throw an NPE.
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*/
public UUID getUUID(String key) {
+ // Paper start - support old format
+ if (!contains(key, 11) && this.contains(key + "Most", 99) && this.contains(key + "Least", 99)) {
+ return new UUID(this.getLong(key + "Most"), this.getLong(key + "Least"));
+ }
+ // Paper end
return NbtUtils.loadUUID(this.get(key));
}
public boolean hasUUID(String key) {
+ // Paper start - support old format
+ if (this.contains(key + "Most", 99) && this.contains(key + "Least", 99)) {
+ return true;
+ }
+ // Paper end
Tag tag = this.get(key);
return tag != null && tag.getType() == IntArrayTag.TYPE && ((IntArrayTag)tag).getAsIntArray().length == 4;
}
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diff --git a/src/main/java/net/minecraft/nbt/NbtUtils.java b/src/main/java/net/minecraft/nbt/NbtUtils.java
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index 57c9575a9714acb95d9dced672955a96d71dfd1e..06fe97e05608fc21f90c9884d745d910beb6883d 100644
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--- a/src/main/java/net/minecraft/nbt/NbtUtils.java
+++ b/src/main/java/net/minecraft/nbt/NbtUtils.java
@@ -40,14 +40,14 @@ import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
public final class NbtUtils {
- private static final Comparator<ListTag> YXZ_LISTTAG_INT_COMPARATOR = Comparator.comparingInt((listTag) -> {
+ private static final Comparator<ListTag> YXZ_LISTTAG_INT_COMPARATOR = Comparator.<ListTag>comparingInt((listTag) -> { // Paper - decompile fix
return listTag.getInt(1);
}).thenComparingInt((listTag) -> {
return listTag.getInt(0);
}).thenComparingInt((listTag) -> {
return listTag.getInt(2);
});
- private static final Comparator<ListTag> YXZ_LISTTAG_DOUBLE_COMPARATOR = Comparator.comparingDouble((listTag) -> {
+ private static final Comparator<ListTag> YXZ_LISTTAG_DOUBLE_COMPARATOR = Comparator.<ListTag>comparingDouble((listTag) -> { // Paper - decompile fix
return listTag.getDouble(1);
}).thenComparingDouble((listTag) -> {
return listTag.getDouble(0);
@@ -76,6 +76,11 @@ public final class NbtUtils {
string = compound.getString("Name");
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}
+ // Paper start - support string UUID's
+ if (compound.contains("Id", 8)) {
+ uUID = UUID.fromString(compound.getString("Id"));
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+ }
+ // Paper end
if (compound.hasUUID("Id")) {
uUID = compound.getUUID("Id");
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}
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@@ -495,7 +500,7 @@ public final class NbtUtils {
}
public static CompoundTag update(DataFixer fixer, DataFixTypes fixTypes, CompoundTag compound, int oldVersion, int targetVersion) {
- return fixer.update(fixTypes.getType(), new Dynamic<>(NbtOps.INSTANCE, compound), oldVersion, targetVersion).getValue();
+ return (CompoundTag) fixer.update(fixTypes.getType(), new com.mojang.serialization.Dynamic<>(NbtOps.INSTANCE, compound), oldVersion, targetVersion).getValue(); // Paper - decompile fix
}
public static Component toPrettyComponent(Tag element) {
@@ -620,8 +625,8 @@ public final class NbtUtils {
CompoundTag compoundTag2 = new CompoundTag();
if (i + 2 <= string.length()) {
String string3 = string.substring(i + 1, string.indexOf(125, i));
- COMMA_SPLITTER.split(string3).forEach((string2) -> {
- List<String> list = COLON_SPLITTER.splitToList(string2);
+ COMMA_SPLITTER.split(string3).forEach(it -> { // Paper - decompile fix
+ List<String> list = COLON_SPLITTER.splitToList(it); // Paper - decompile fix
if (list.size() == 2) {
compoundTag2.putString(list.get(0), list.get(1));
} else {