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82 lines
4.5 KiB
Diff
82 lines
4.5 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Mariell Hoversholm <proximyst@proximyst.com>
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Date: Sun, 24 Oct 2021 16:20:31 -0400
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Subject: [PATCH] Add Raw Byte Entity Serialization
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diff --git a/src/main/java/net/minecraft/world/entity/Entity.java b/src/main/java/net/minecraft/world/entity/Entity.java
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index 5647e8ef3daa6a1c24dd9c3b8052c5de27d0d896..c71e0753e2d9974e56733f6ca46e1e9b76206965 100644
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--- a/src/main/java/net/minecraft/world/entity/Entity.java
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+++ b/src/main/java/net/minecraft/world/entity/Entity.java
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@@ -1821,6 +1821,15 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource, i
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}
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}
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+ // Paper start - Entity serialization api
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+ public boolean serializeEntity(CompoundTag compound) {
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+ List<Entity> pass = new java.util.ArrayList<>(this.getPassengers());
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+ this.passengers = ImmutableList.of();
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+ boolean result = save(compound);
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+ this.passengers = ImmutableList.copyOf(pass);
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+ return result;
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+ }
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+ // Paper end
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public boolean save(CompoundTag nbt) {
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return this.isPassenger() ? false : this.saveAsPassenger(nbt);
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}
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diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java
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index ee50ea695585639d0ff184b675f3fb3b205b9f86..5aae88e20bc04560d6ad52cfcaa872d28bfcee8f 100644
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--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java
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+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java
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@@ -1276,5 +1276,15 @@ public abstract class CraftEntity implements org.bukkit.entity.Entity {
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}
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return set;
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}
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+
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+ @Override
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+ public boolean spawnAt(Location location, org.bukkit.event.entity.CreatureSpawnEvent.SpawnReason reason) {
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+ Preconditions.checkNotNull(location, "location cannot be null");
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+ Preconditions.checkNotNull(reason, "reason cannot be null");
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+ entity.level = ((CraftWorld) location.getWorld()).getHandle();
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+ entity.setPos(location.getX(), location.getY(), location.getZ());
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+ entity.setRot(location.getYaw(), location.getPitch());
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+ return !entity.valid && entity.level.addFreshEntity(entity, reason);
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+ }
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// Paper end
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}
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diff --git a/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java b/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java
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index 691b110e8a64081b68868456089908fe38fbc1cf..3eb5e7f7d449ccd862f42e2e131ebcddbdf79afb 100644
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--- a/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java
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+++ b/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java
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@@ -421,6 +421,30 @@ public final class CraftMagicNumbers implements UnsafeValues {
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return CraftItemStack.asCraftMirror(net.minecraft.world.item.ItemStack.of((CompoundTag) converted.getValue()));
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}
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+ @Override
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+ public byte[] serializeEntity(org.bukkit.entity.Entity entity) {
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+ Preconditions.checkNotNull(entity, "null cannot be serialized");
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+ Preconditions.checkArgument(entity instanceof org.bukkit.craftbukkit.entity.CraftEntity, "only CraftEntities can be serialized");
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+
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+ CompoundTag compound = new CompoundTag();
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+ ((org.bukkit.craftbukkit.entity.CraftEntity) entity).getHandle().serializeEntity(compound);
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+ return serializeNbtToBytes(compound);
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+ }
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+
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+ @Override
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+ public org.bukkit.entity.Entity deserializeEntity(byte[] data, org.bukkit.World world, boolean preserveUUID) {
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+ Preconditions.checkNotNull(data, "null cannot be deserialized");
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+ Preconditions.checkArgument(data.length > 0, "cannot deserialize nothing");
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+
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+ CompoundTag compound = deserializeNbtFromBytes(data);
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+ int dataVersion = compound.getInt("DataVersion");
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+ Dynamic<Tag> converted = DataFixers.getDataFixer().update(References.ENTITY_TREE, new Dynamic<>(NbtOps.INSTANCE, compound), dataVersion, getDataVersion());
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+ compound = (CompoundTag) converted.getValue();
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+ if (!preserveUUID) compound.remove("UUID"); // Generate a new UUID so we don't have to worry about deserializing the same entity twice
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+ return net.minecraft.world.entity.EntityType.create(compound, ((org.bukkit.craftbukkit.CraftWorld) world).getHandle())
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+ .orElseThrow(() -> new IllegalArgumentException("An ID was not found for the data. Did you downgrade?")).getBukkitEntity();
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+ }
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+
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private byte[] serializeNbtToBytes(CompoundTag compound) {
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compound.putInt("DataVersion", getDataVersion());
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java.io.ByteArrayOutputStream outputStream = new java.io.ByteArrayOutputStream();
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