mirror of https://github.com/YatopiaMC/Yatopia.git
130 lines
7.6 KiB
Diff
130 lines
7.6 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
|
|
From: Mariell Hoversholm <proximyst@proximyst.com>
|
|
Date: Sat, 9 Jan 2021 21:22:58 +0100
|
|
Subject: [PATCH] Add unsafe Entity serialization API
|
|
|
|
This program is free software: you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation, either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program. If not, see <https://www.gnu.org/licenses/>.
|
|
|
|
diff --git a/src/main/java/net/minecraft/world/entity/EntityTypes.java b/src/main/java/net/minecraft/world/entity/EntityTypes.java
|
|
index 2cf4e8f68fa85c4e09effda0da0c3a3f64ae7ba9..c166e0a8e7eadb4f714078f764ef35f7afca543b 100644
|
|
--- a/src/main/java/net/minecraft/world/entity/EntityTypes.java
|
|
+++ b/src/main/java/net/minecraft/world/entity/EntityTypes.java
|
|
@@ -532,6 +532,7 @@ public class EntityTypes<T extends Entity> {
|
|
return this.bf.create(this, world);
|
|
}
|
|
|
|
+ public static Optional<Entity> loadEntityFixedData(NBTTagCompound nbtTagCompound, World world) { return a(nbtTagCompound, world); } // Purpur - OBFHELPER
|
|
public static Optional<Entity> a(NBTTagCompound nbttagcompound, World world) {
|
|
return SystemUtils.a(a(nbttagcompound).map((entitytypes) -> {
|
|
return entitytypes.a(world);
|
|
diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java
|
|
index 4a70d657fd83627e8d66b52cb5f87381b43ad76a..af69023b241560031f6aa116561d7407b2502578 100644
|
|
--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java
|
|
+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java
|
|
@@ -1196,5 +1196,12 @@ public abstract class CraftEntity implements org.bukkit.entity.Entity {
|
|
public boolean isRidableInWater() {
|
|
return getHandle().isRidableInWater();
|
|
}
|
|
+
|
|
+ @Override
|
|
+ public boolean spawnAt(Location location, org.bukkit.event.entity.CreatureSpawnEvent.SpawnReason spawnReason) {
|
|
+ entity.world = ((CraftWorld) location.getWorld()).getHandle();
|
|
+ entity.setLocation(location.getX(), location.getY(), location.getZ(), location.getYaw(), location.getPitch());
|
|
+ return !entity.valid && entity.world.addEntity(entity, spawnReason);
|
|
+ }
|
|
// Purpur end
|
|
}
|
|
diff --git a/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java b/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java
|
|
index 3fa4d18d7a1e2d351fbe8e02d1e749587f98c2a2..bfe4f7ed53620510b52d4f01c5ea2a3f726942d8 100644
|
|
--- a/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java
|
|
+++ b/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java
|
|
@@ -410,9 +410,14 @@ public final class CraftMagicNumbers implements UnsafeValues {
|
|
Preconditions.checkNotNull(item, "null cannot be serialized");
|
|
Preconditions.checkArgument(item.getType() != Material.AIR, "air cannot be serialized");
|
|
|
|
+ // Purpur start - rework NBT <-> bytes
|
|
+ return serializeNbtToBytes(CraftItemStack.asNMSCopy(item).save(new NBTTagCompound()), true);
|
|
+ }
|
|
+
|
|
+ public byte[] serializeNbtToBytes(NBTTagCompound compound, boolean addDataVersion) {
|
|
+ if (addDataVersion) compound.setInt("DataVersion", getDataVersion());
|
|
java.io.ByteArrayOutputStream outputStream = new java.io.ByteArrayOutputStream();
|
|
- NBTTagCompound compound = (item instanceof CraftItemStack ? ((CraftItemStack) item).getHandle() : CraftItemStack.asNMSCopy(item)).save(new NBTTagCompound());
|
|
- compound.setInt("DataVersion", getDataVersion());
|
|
+ // Purpur end
|
|
try {
|
|
net.minecraft.nbt.NBTCompressedStreamTools.writeNBT(
|
|
compound,
|
|
@@ -425,26 +430,58 @@ public final class CraftMagicNumbers implements UnsafeValues {
|
|
return outputStream.toByteArray();
|
|
}
|
|
|
|
+ public static DynamicOpsNBT getDynamicOpsNbtInstance() { return DynamicOpsNBT.a; } // Purpur - OBFHELPER - keeping out of the class because it's FULL of decompile errors
|
|
@Override
|
|
public ItemStack deserializeItem(byte[] data) {
|
|
Preconditions.checkNotNull(data, "null cannot be deserialized");
|
|
Preconditions.checkArgument(data.length > 0, "cannot deserialize nothing");
|
|
|
|
+ // Purpur start - rework NBT <-> bytes
|
|
+ NBTTagCompound compound = deserializeNbtFromBytes(data, true);
|
|
+ Dynamic<NBTBase> converted = DataConverterRegistry.getDataFixer().update(DataConverterTypes.ITEM_STACK, new Dynamic<>(getDynamicOpsNbtInstance(), compound), compound.getInt("DataVersion"), getDataVersion()); // TODO: obfhelper
|
|
+ return net.minecraft.world.item.ItemStack.fromCompound((NBTTagCompound) converted.getValue()).asBukkitMirror();
|
|
+ }
|
|
+
|
|
+ public NBTTagCompound deserializeNbtFromBytes(byte[] data, boolean verifyDataVersion) {
|
|
+ // Purpur end
|
|
try {
|
|
NBTTagCompound compound = net.minecraft.nbt.NBTCompressedStreamTools.readNBT(
|
|
new java.io.ByteArrayInputStream(data)
|
|
);
|
|
+ if (verifyDataVersion) { // Purpur
|
|
int dataVersion = compound.getInt("DataVersion");
|
|
|
|
Preconditions.checkArgument(dataVersion <= getDataVersion(), "Newer version! Server downgrades are not supported!");
|
|
- Dynamic<NBTBase> converted = DataConverterRegistry.getDataFixer().update(DataConverterTypes.ITEM_STACK, new Dynamic<NBTBase>(DynamicOpsNBT.a, compound), dataVersion, getDataVersion());
|
|
- return CraftItemStack.asCraftMirror(net.minecraft.world.item.ItemStack.fromCompound((NBTTagCompound) converted.getValue()));
|
|
+ } // Purpur
|
|
+ return compound; // Purpur
|
|
} catch (IOException ex) {
|
|
com.destroystokyo.paper.util.SneakyThrow.sneaky(ex);
|
|
throw new RuntimeException();
|
|
}
|
|
}
|
|
|
|
+ // Purpur start
|
|
+ @Override
|
|
+ public byte[] serializeEntity(org.bukkit.entity.Entity entity) {
|
|
+ Preconditions.checkNotNull(entity, "null cannot be serialized");
|
|
+ Preconditions.checkArgument(entity instanceof org.bukkit.craftbukkit.entity.CraftEntity, "non-CraftEntity cannot be serialized");
|
|
+ NBTTagCompound compound = new NBTTagCompound();
|
|
+ compound.setString("id", ((org.bukkit.craftbukkit.entity.CraftEntity) entity).getHandle().getMinecraftKeyString());
|
|
+ return serializeNbtToBytes(((org.bukkit.craftbukkit.entity.CraftEntity) entity).getHandle().save(compound), true);
|
|
+ }
|
|
+
|
|
+ @Override
|
|
+ public org.bukkit.entity.Entity deserializeEntity(byte[] data, org.bukkit.World world) {
|
|
+ NBTTagCompound compound = deserializeNbtFromBytes(data, true);
|
|
+ Dynamic<NBTBase> converted = DataConverterRegistry.getDataFixer().update(DataConverterTypes.ENTITY, new Dynamic<>(getDynamicOpsNbtInstance(), compound), compound.getInt("DataVersion"), getDataVersion());
|
|
+ compound = (NBTTagCompound) converted.getValue();
|
|
+ compound.remove("UUID"); // Make the server make a new UUID for this entity; makes entities always spawnable.
|
|
+ return net.minecraft.world.entity.EntityTypes.loadEntityFixedData(compound, ((org.bukkit.craftbukkit.CraftWorld) world).getHandle())
|
|
+ .orElseThrow(() -> new IllegalArgumentException("unknown ID was found for the data; did you downgrade?"))
|
|
+ .getBukkitEntity();
|
|
+ }
|
|
+ // Pupur end
|
|
+
|
|
@Override
|
|
public String getTranslationKey(Material mat) {
|
|
if (mat.isBlock()) {
|