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SPIGOT-6194: Read correct nbt compound into chunk pdc

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Previously spigots chunk pdc loading logic would read the entire chunk
nbt compound into the persistent data container of the chunk instead of
just reading the "BukkitValues".

Furthermore this commit also now correctly checks if the nbt compounds
of entities, tile entities and chunks actually have a value for the
"BukkitValues" key, as the previous 'getCompound' call would always
return an instance, the null check was useless. This commit now uses
'get', which returns null if no key exists and then runs an instanceof
check to both validate a non-null instance and an NBTTagCompound
instance.

By: Bjarne Koll <lynxplay101@gmail.com>
This commit is contained in:
CraftBukkit/Spigot 2020-10-18 07:01:15 +11:00
parent f93a843c80
commit 0632e375cf
3 changed files with 10 additions and 9 deletions
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6
paper-server/nms-patches/ChunkRegionLoader.patch
View file

@ -23,9 +23,9 @@
object = new Chunk(worldserver.getMinecraftWorld(), chunkcoordintpair, biomestorage, chunkconverter, (TickList) object1, (TickList) object2, j, achunksection, (chunk) -> {
loadEntities(nbttagcompound1, chunk);
+ // CraftBukkit start - load chunk persistent data from nbt
+ NBTTagCompound persistentBase = nbttagcompound1.getCompound("BukkitValues");
+ if (persistentBase != null) {
+ chunk.persistentDataContainer.putAll(nbttagcompound1);
+ NBTBase persistentBase = nbttagcompound1.get("BukkitValues");
+ if (persistentBase instanceof NBTTagCompound) {
+ chunk.persistentDataContainer.putAll((NBTTagCompound) persistentBase);
+ }
+ // CraftBukkit end
});

6
paper-server/nms-patches/TileEntity.patch
View file

@ -26,9 +26,9 @@
+ // CraftBukkit start - read container
+ this.persistentDataContainer = new CraftPersistentDataContainer(DATA_TYPE_REGISTRY);
+
+ NBTTagCompound persistentDataTag = nbttagcompound.getCompound("PublicBukkitValues");
+ if (persistentDataTag != null) {
+ this.persistentDataContainer.putAll(persistentDataTag);
+ NBTBase persistentDataTag = nbttagcompound.get("PublicBukkitValues");
+ if (persistentDataTag instanceof NBTTagCompound) {
+ this.persistentDataContainer.putAll((NBTTagCompound) persistentDataTag);
+ }
+ // CraftBukkit end
}

7
paper-server/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java
View file

@ -142,6 +142,7 @@ import net.minecraft.server.EntityZombie;
import net.minecraft.server.EntityZombieHusk;
import net.minecraft.server.EntityZombieVillager;
import net.minecraft.server.IChatBaseComponent;
import net.minecraft.server.NBTBase;
import net.minecraft.server.NBTTagCompound;
import org.bukkit.EntityEffect;
import org.bukkit.Location;
@ -970,9 +971,9 @@ public abstract class CraftEntity implements org.bukkit.entity.Entity {
}
public void readBukkitValues(NBTTagCompound c) {
NBTTagCompound base = c.getCompound("BukkitValues");
if (base != null) {
this.persistentDataContainer.putAll(base);
NBTBase base = c.get("BukkitValues");
if (base instanceof NBTTagCompound) {
this.persistentDataContainer.putAll((NBTTagCompound) base);
}
}