From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001 From: Aikar 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 135530bc9d7ecd0348ace6474f4ca6d2e1bad283..e464ada187fd1f15efef29a0e5033aeb0c688059 100644 --- a/src/main/java/net/minecraft/nbt/CompoundTag.java +++ b/src/main/java/net/minecraft/nbt/CompoundTag.java @@ -237,6 +237,12 @@ 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)); } @@ -245,10 +251,20 @@ public class CompoundTag implements Tag { * You must use {@link #hasUUID(String)} before or else it will 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 4388f2a8b05f5ed2f0934c1693299a4c92072adc..b65dcff9812dbc3256c080ac264c4aafd83ce276 100644 --- a/src/main/java/net/minecraft/nbt/NbtUtils.java +++ b/src/main/java/net/minecraft/nbt/NbtUtils.java @@ -72,6 +72,11 @@ public final class NbtUtils { @Nullable public static GameProfile readGameProfile(CompoundTag nbt) { UUID uUID = nbt.hasUUID("Id") ? nbt.getUUID("Id") : Util.NIL_UUID; + // Paper start - support string UUID's + if (nbt.contains("Id", Tag.TAG_STRING)) { + uUID = UUID.fromString(nbt.getString("Id")); + } + // Paper end String string = nbt.getString("Name"); try {