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Paper/patches/server/0461-Support-old-UUID-format-for-NBT.patch
2021-11-30 17:31:13 -08:00

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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 be2bd47a509a03e78c380cf749cd476f332ab03d..210f81e380cb38c2d5d69849e593d2fdb54e8856 100644
--- a/src/main/java/net/minecraft/nbt/CompoundTag.java
+++ b/src/main/java/net/minecraft/nbt/CompoundTag.java
@@ -182,6 +182,12 @@ public class CompoundTag implements Tag {
}
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));
}
@@ -190,10 +196,20 @@ public class CompoundTag implements Tag {
* You must use {@link #hasUUID(String)} before or else it <b>will</b> throw an NPE.
*/
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;
}
diff --git a/src/main/java/net/minecraft/nbt/NbtUtils.java b/src/main/java/net/minecraft/nbt/NbtUtils.java
index a61f480bc2e2169969e614bccd3e143f47c1a40e..b77b806b28dfada3e84e25d868aa8a8f8556f5af 100644
--- 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((nbt) -> {
+ private static final Comparator<ListTag> YXZ_LISTTAG_INT_COMPARATOR = Comparator.<ListTag>comparingInt((nbt) -> { // Paper - decompile fix
return nbt.getInt(1);
}).thenComparingInt((nbt) -> {
return nbt.getInt(0);
}).thenComparingInt((nbt) -> {
return nbt.getInt(2);
});
- private static final Comparator<ListTag> YXZ_LISTTAG_DOUBLE_COMPARATOR = Comparator.comparingDouble((nbt) -> {
+ private static final Comparator<ListTag> YXZ_LISTTAG_DOUBLE_COMPARATOR = Comparator.<ListTag>comparingDouble((nbt) -> { // Paper - decompile fix
return nbt.getDouble(1);
}).thenComparingDouble((nbt) -> {
return nbt.getDouble(0);
@@ -75,6 +75,11 @@ public final class NbtUtils {
if (compound.contains("Name", 8)) {
string = compound.getString("Name");
}
+ // Paper start - support string UUID's
+ if (compound.contains("Id", 8)) {
+ uUID = UUID.fromString(compound.getString("Id"));
+ }
+ // Paper end
if (compound.hasUUID("Id")) {
uUID = compound.getUUID("Id");
@@ -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 Dynamic<>(NbtOps.INSTANCE, compound), oldVersion, targetVersion).getValue(); // Paper - decompile fix
}
public static Component toPrettyComponent(Tag element) {