Add Raw Byte Entity Serialization ()

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Josh Roy 2021-11-10 21:53:27 -05:00 committed by GitHub
parent 3f17694803
commit cc2ecbc407
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11 changed files with 186 additions and 37 deletions

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@ -0,0 +1,62 @@
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Mariell Hoversholm <proximyst@proximyst.com>
Date: Sun, 24 Oct 2021 16:19:26 -0400
Subject: [PATCH] Add Raw Byte Entity Serialization
diff --git a/src/main/java/org/bukkit/UnsafeValues.java b/src/main/java/org/bukkit/UnsafeValues.java
index c8c2e5bc2ec1d8d7ea445a1203c9d5a904dfc666..014c9984018ad5e51a26228a137e1ba4eb3e80c8 100644
--- a/src/main/java/org/bukkit/UnsafeValues.java
+++ b/src/main/java/org/bukkit/UnsafeValues.java
@@ -102,6 +102,14 @@ public interface UnsafeValues {
ItemStack deserializeItem(byte[] data);
+ byte[] serializeEntity(org.bukkit.entity.Entity entity);
+
+ default org.bukkit.entity.Entity deserializeEntity(byte[] data, World world) {
+ return deserializeEntity(data, world, false);
+ }
+
+ org.bukkit.entity.Entity deserializeEntity(byte[] data, World world, boolean preserveUUID);
+
/**
* Return the translation key for the Material, so the client can translate it into the active
* locale when using a {@link net.kyori.adventure.text.TranslatableComponent}.
diff --git a/src/main/java/org/bukkit/entity/Entity.java b/src/main/java/org/bukkit/entity/Entity.java
index d515de1c316f14165ee327bc81f0be98b60db3bf..350384ba10435b1115e4386a78d8145f748b6b29 100644
--- a/src/main/java/org/bukkit/entity/Entity.java
+++ b/src/main/java/org/bukkit/entity/Entity.java
@@ -767,5 +767,32 @@ public interface Entity extends Metadatable, CommandSender, Nameable, Persistent
* @return players in tracking range
*/
@NotNull Set<Player> getTrackedPlayers();
+
+ /**
+ * Spawns the entity in the world at the given {@link Location} with the default spawn reason.
+ * <p>
+ * This will not spawn the entity if the entity is already spawned or has previously been despawned.
+ * <p>
+ * Also, this method will fire the same events as a normal entity spawn.
+ *
+ * @param location The location to spawn the entity at.
+ * @return Whether the entity was successfully spawned.
+ */
+ public default boolean spawnAt(@NotNull Location location) {
+ return spawnAt(location, org.bukkit.event.entity.CreatureSpawnEvent.SpawnReason.DEFAULT);
+ }
+
+ /**
+ * Spawns the entity in the world at the given {@link Location} with the reason given.
+ * <p>
+ * This will not spawn the entity if the entity is already spawned or has previously been despawned.
+ * <p>
+ * Also, this method will fire the same events as a normal entity spawn.
+ *
+ * @param location The location to spawn the entity at.
+ * @param reason The reason for the entity being spawned.
+ * @return Whether the entity was successfully spawned.
+ */
+ public boolean spawnAt(@NotNull Location location, @NotNull org.bukkit.event.entity.CreatureSpawnEvent.SpawnReason reason);
// Paper end
}

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@ -6,10 +6,10 @@ Subject: [PATCH] Add Raw Byte ItemStack Serialization
Serializes using NBT which is safer for server data migrations than bukkits format. Serializes using NBT which is safer for server data migrations than bukkits format.
diff --git a/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java b/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java diff --git a/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java b/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java
index f8cb210390958ddba9f9685f2ec1f8bb91690162..6b79b1ea43b713105f37de517019c033477f9835 100644 index f8cb210390958ddba9f9685f2ec1f8bb91690162..3b727b96c4166e88ec23df3e3e1e98d6aed58637 100644
--- a/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java --- a/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java
+++ b/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java +++ b/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java
@@ -378,6 +378,46 @@ public final class CraftMagicNumbers implements UnsafeValues { @@ -378,6 +378,53 @@ public final class CraftMagicNumbers implements UnsafeValues {
public boolean isSupportedApiVersion(String apiVersion) { public boolean isSupportedApiVersion(String apiVersion) {
return apiVersion != null && SUPPORTED_API.contains(apiVersion); return apiVersion != null && SUPPORTED_API.contains(apiVersion);
} }
@ -19,9 +19,23 @@ index f8cb210390958ddba9f9685f2ec1f8bb91690162..6b79b1ea43b713105f37de517019c033
+ Preconditions.checkNotNull(item, "null cannot be serialized"); + Preconditions.checkNotNull(item, "null cannot be serialized");
+ Preconditions.checkArgument(item.getType() != Material.AIR, "air cannot be serialized"); + Preconditions.checkArgument(item.getType() != Material.AIR, "air cannot be serialized");
+ +
+ java.io.ByteArrayOutputStream outputStream = new java.io.ByteArrayOutputStream(); + return serializeNbtToBytes((item instanceof CraftItemStack ? ((CraftItemStack) item).handle : CraftItemStack.asNMSCopy(item)).save(new CompoundTag()));
+ CompoundTag compound = (item instanceof CraftItemStack ? ((CraftItemStack) item).handle : CraftItemStack.asNMSCopy(item)).save(new CompoundTag()); + }
+
+ @Override
+ public ItemStack deserializeItem(byte[] data) {
+ Preconditions.checkNotNull(data, "null cannot be deserialized");
+ Preconditions.checkArgument(data.length > 0, "cannot deserialize nothing");
+
+ CompoundTag compound = deserializeNbtFromBytes(data);
+ int dataVersion = compound.getInt("DataVersion");
+ Dynamic<Tag> converted = DataFixers.getDataFixer().update(References.ITEM_STACK, new Dynamic<Tag>(NbtOps.INSTANCE, compound), dataVersion, getDataVersion());
+ return CraftItemStack.asCraftMirror(net.minecraft.world.item.ItemStack.of((CompoundTag) converted.getValue()));
+ }
+
+ private byte[] serializeNbtToBytes(CompoundTag compound) {
+ compound.putInt("DataVersion", getDataVersion()); + compound.putInt("DataVersion", getDataVersion());
+ java.io.ByteArrayOutputStream outputStream = new java.io.ByteArrayOutputStream();
+ try { + try {
+ net.minecraft.nbt.NbtIo.writeCompressed( + net.minecraft.nbt.NbtIo.writeCompressed(
+ compound, + compound,
@ -30,28 +44,21 @@ index f8cb210390958ddba9f9685f2ec1f8bb91690162..6b79b1ea43b713105f37de517019c033
+ } catch (IOException ex) { + } catch (IOException ex) {
+ throw new RuntimeException(ex); + throw new RuntimeException(ex);
+ } + }
+
+ return outputStream.toByteArray(); + return outputStream.toByteArray();
+ } + }
+ +
+ @Override + private CompoundTag deserializeNbtFromBytes(byte[] data) {
+ public ItemStack deserializeItem(byte[] data) { + CompoundTag compound;
+ Preconditions.checkNotNull(data, "null cannot be deserialized");
+ Preconditions.checkArgument(data.length > 0, "cannot deserialize nothing");
+
+ try { + try {
+ CompoundTag compound = net.minecraft.nbt.NbtIo.readCompressed( + compound = net.minecraft.nbt.NbtIo.readCompressed(
+ new java.io.ByteArrayInputStream(data) + new java.io.ByteArrayInputStream(data)
+ ); + );
+ int dataVersion = compound.getInt("DataVersion");
+
+ Preconditions.checkArgument(dataVersion <= getDataVersion(), "Newer version! Server downgrades are not supported!");
+ Dynamic<Tag> converted = DataFixers.getDataFixer().update(References.ITEM_STACK, new Dynamic<Tag>(NbtOps.INSTANCE, compound), dataVersion, getDataVersion());
+ return CraftItemStack.asCraftMirror(net.minecraft.world.item.ItemStack.of((CompoundTag) converted.getValue()));
+ } catch (IOException ex) { + } catch (IOException ex) {
+ com.destroystokyo.paper.util.SneakyThrow.sneaky(ex); + throw new RuntimeException(ex);
+ throw new RuntimeException();
+ } + }
+ int dataVersion = compound.getInt("DataVersion");
+ Preconditions.checkArgument(dataVersion <= getDataVersion(), "Newer version! Server downgrades are not supported!");
+ return compound;
+ } + }
// Paper end // Paper end

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@ -42,12 +42,12 @@ index eb99e0c2462a2d1ab4508a5c3f1580b6e31d7465..c536eceef3365a7b726cd970df345ba1
public net.minecraft.world.item.enchantment.Enchantment getHandle() { public net.minecraft.world.item.enchantment.Enchantment getHandle() {
diff --git a/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java b/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java diff --git a/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java b/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java
index 6b79b1ea43b713105f37de517019c033477f9835..fedbe226c549b103b957beb9feea34350e6220be 100644 index 3b727b96c4166e88ec23df3e3e1e98d6aed58637..aceb11620972d13324aa05c841b5251d0fda3fab 100644
--- a/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java --- a/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java
+++ b/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java +++ b/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java
@@ -418,6 +418,30 @@ public final class CraftMagicNumbers implements UnsafeValues { @@ -425,6 +425,30 @@ public final class CraftMagicNumbers implements UnsafeValues {
throw new RuntimeException(); Preconditions.checkArgument(dataVersion <= getDataVersion(), "Newer version! Server downgrades are not supported!");
} return compound;
} }
+ +
+ @Override + @Override

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@ -6,7 +6,7 @@ Subject: [PATCH] Expose the Entity Counter to allow plugins to use valid and
diff --git a/src/main/java/net/minecraft/world/entity/Entity.java b/src/main/java/net/minecraft/world/entity/Entity.java diff --git a/src/main/java/net/minecraft/world/entity/Entity.java b/src/main/java/net/minecraft/world/entity/Entity.java
index a652bbc4b3c768fecfb6f067d21a90315256f885..9e6a2c5fc55674ab144ebd46da6152e51d3c1dba 100644 index dd98f228135c634235dc28c8edd396fb90fc98bc..595428849a32374678fc4125cb4a6f90186a1340 100644
--- a/src/main/java/net/minecraft/world/entity/Entity.java --- a/src/main/java/net/minecraft/world/entity/Entity.java
+++ b/src/main/java/net/minecraft/world/entity/Entity.java +++ b/src/main/java/net/minecraft/world/entity/Entity.java
@@ -3958,4 +3958,10 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource, n @@ -3958,4 +3958,10 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource, n
@ -21,10 +21,10 @@ index a652bbc4b3c768fecfb6f067d21a90315256f885..9e6a2c5fc55674ab144ebd46da6152e5
+ // Paper end + // Paper end
} }
diff --git a/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java b/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java diff --git a/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java b/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java
index fedbe226c549b103b957beb9feea34350e6220be..f212ca8756782b12a746f86933f46b747481c87e 100644 index aceb11620972d13324aa05c841b5251d0fda3fab..ee974e615096f78906a31b4774e3dde7a156d023 100644
--- a/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java --- a/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java
+++ b/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java +++ b/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java
@@ -442,6 +442,10 @@ public final class CraftMagicNumbers implements UnsafeValues { @@ -449,6 +449,10 @@ public final class CraftMagicNumbers implements UnsafeValues {
net.minecraft.world.item.ItemStack nmsItemStack = CraftItemStack.asNMSCopy(itemStack); net.minecraft.world.item.ItemStack nmsItemStack = CraftItemStack.asNMSCopy(itemStack);
return nmsItemStack.getItem().getDescriptionId(nmsItemStack); return nmsItemStack.getItem().getDescriptionId(nmsItemStack);
} }

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@ -5,10 +5,10 @@ Subject: [PATCH] Item Rarity API
diff --git a/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java b/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java diff --git a/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java b/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java
index eb06ca21a964de3f3d6712387b72e8994f1f03bd..8ff6d0deb3532515cecdab1f50b8558ef7603f53 100644 index 66dfc5216570be01fe3a60a8dc305c442b37d50a..d40f341af9649eececfd12c79e34719f03b45c53 100644
--- a/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java --- a/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java
+++ b/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java +++ b/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java
@@ -469,6 +469,20 @@ public final class CraftMagicNumbers implements UnsafeValues { @@ -476,6 +476,20 @@ public final class CraftMagicNumbers implements UnsafeValues {
public int nextEntityId() { public int nextEntityId() {
return net.minecraft.world.entity.Entity.nextEntityId(); return net.minecraft.world.entity.Entity.nextEntityId();
} }

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@ -5,10 +5,10 @@ Subject: [PATCH] Expose protocol version
diff --git a/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java b/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java diff --git a/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java b/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java
index 8ff6d0deb3532515cecdab1f50b8558ef7603f53..719a4811d9a9a754f7893c595d09187c494bbbae 100644 index d40f341af9649eececfd12c79e34719f03b45c53..68fc9b338d5ad27cd2b56197f9f5ba4988f89ae6 100644
--- a/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java --- a/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java
+++ b/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java +++ b/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java
@@ -483,6 +483,11 @@ public final class CraftMagicNumbers implements UnsafeValues { @@ -490,6 +490,11 @@ public final class CraftMagicNumbers implements UnsafeValues {
public io.papermc.paper.inventory.ItemRarity getItemStackRarity(org.bukkit.inventory.ItemStack itemStack) { public io.papermc.paper.inventory.ItemRarity getItemStackRarity(org.bukkit.inventory.ItemStack itemStack) {
return io.papermc.paper.inventory.ItemRarity.values()[getItem(itemStack.getType()).getRarity(CraftItemStack.asNMSCopy(itemStack)).ordinal()]; return io.papermc.paper.inventory.ItemRarity.values()[getItem(itemStack.getType()).getRarity(CraftItemStack.asNMSCopy(itemStack)).ordinal()];
} }

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@ -5,10 +5,10 @@ Subject: [PATCH] ItemStack repair check API
diff --git a/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java b/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java diff --git a/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java b/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java
index 719a4811d9a9a754f7893c595d09187c494bbbae..85a0639e8e65f4d085f605f09ca04a706a631d56 100644 index 68fc9b338d5ad27cd2b56197f9f5ba4988f89ae6..d88515fcaab8672bc1ace12554372a0b6ab57947 100644
--- a/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java --- a/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java
+++ b/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java +++ b/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java
@@ -484,6 +484,14 @@ public final class CraftMagicNumbers implements UnsafeValues { @@ -491,6 +491,14 @@ public final class CraftMagicNumbers implements UnsafeValues {
return io.papermc.paper.inventory.ItemRarity.values()[getItem(itemStack.getType()).getRarity(CraftItemStack.asNMSCopy(itemStack)).ordinal()]; return io.papermc.paper.inventory.ItemRarity.values()[getItem(itemStack.getType()).getRarity(CraftItemStack.asNMSCopy(itemStack)).ordinal()];
} }

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@ -20,10 +20,10 @@ index 7e3826b271b2db3b48e6e21ac2e66911bf8993aa..393a19335c52b6e63d37aacdfbeff93e
+ // Paper end + // Paper end
} }
diff --git a/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java b/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java diff --git a/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java b/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java
index 85a0639e8e65f4d085f605f09ca04a706a631d56..408863b137b7bda3f3e654ac3665ddeefb6d9e7b 100644 index d88515fcaab8672bc1ace12554372a0b6ab57947..ff1f178b69efc4f167cb34095b7fd3acd4d00680 100644
--- a/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java --- a/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java
+++ b/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java +++ b/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java
@@ -492,6 +492,19 @@ public final class CraftMagicNumbers implements UnsafeValues { @@ -499,6 +499,19 @@ public final class CraftMagicNumbers implements UnsafeValues {
return CraftMagicNumbers.getItem(itemToBeRepaired.getType()).isValidRepairItem(CraftItemStack.asNMSCopy(itemToBeRepaired), CraftItemStack.asNMSCopy(repairMaterial)); return CraftMagicNumbers.getItem(itemToBeRepaired.getType()).isValidRepairItem(CraftItemStack.asNMSCopy(itemToBeRepaired), CraftItemStack.asNMSCopy(repairMaterial));
} }

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@ -90,10 +90,10 @@ index 0000000000000000000000000000000000000000..4ecba0b02c2813a890aecc5586987879
+ } + }
+} +}
diff --git a/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java b/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java diff --git a/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java b/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java
index 408863b137b7bda3f3e654ac3665ddeefb6d9e7b..dcaa189c17dd928d7a19e820ec2ff521e7243b7a 100644 index ff1f178b69efc4f167cb34095b7fd3acd4d00680..26273a6b9d49f0e12fe1ff3206c7f017a2f36e44 100644
--- a/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java --- a/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java
+++ b/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java +++ b/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java
@@ -509,6 +509,18 @@ public final class CraftMagicNumbers implements UnsafeValues { @@ -516,6 +516,18 @@ public final class CraftMagicNumbers implements UnsafeValues {
public int getProtocolVersion() { public int getProtocolVersion() {
return net.minecraft.SharedConstants.getCurrentVersion().getProtocolVersion(); return net.minecraft.SharedConstants.getCurrentVersion().getProtocolVersion();
} }

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@ -37,10 +37,10 @@ index 7b9e943b391c061782fccd2b8d705ceec8db50fe..966ac60daebb7bb211ab8096fc0c5f33
+ // Paper end + // Paper end
} }
diff --git a/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java b/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java diff --git a/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java b/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java
index dcaa189c17dd928d7a19e820ec2ff521e7243b7a..c6bd1c1f973157c1d8a56e8297729cb896785dd6 100644 index 26273a6b9d49f0e12fe1ff3206c7f017a2f36e44..eb11abe4bc8f06d457da674848b39fc3b3873d1a 100644
--- a/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java --- a/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java
+++ b/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java +++ b/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java
@@ -521,6 +521,12 @@ public final class CraftMagicNumbers implements UnsafeValues { @@ -528,6 +528,12 @@ public final class CraftMagicNumbers implements UnsafeValues {
var supplier = net.minecraft.world.entity.ai.attributes.DefaultAttributes.getSupplier((net.minecraft.world.entity.EntityType<? extends net.minecraft.world.entity.LivingEntity>) net.minecraft.core.Registry.ENTITY_TYPE.get(CraftNamespacedKey.toMinecraft(bukkitEntityKey))); var supplier = net.minecraft.world.entity.ai.attributes.DefaultAttributes.getSupplier((net.minecraft.world.entity.EntityType<? extends net.minecraft.world.entity.LivingEntity>) net.minecraft.core.Registry.ENTITY_TYPE.get(CraftNamespacedKey.toMinecraft(bukkitEntityKey)));
return new io.papermc.paper.attribute.UnmodifiableAttributeMap(supplier); return new io.papermc.paper.attribute.UnmodifiableAttributeMap(supplier);
} }

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@ -0,0 +1,80 @@
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Mariell Hoversholm <proximyst@proximyst.com>
Date: Sun, 24 Oct 2021 16:20:31 -0400
Subject: [PATCH] Add Raw Byte Entity Serialization
diff --git a/src/main/java/net/minecraft/world/entity/Entity.java b/src/main/java/net/minecraft/world/entity/Entity.java
index 996f09eaf7d1d6c5e27e2bb2630a6bcb18854172..6d2cc9d1813c862dfd23cb6897d4f4f4845af529 100644
--- a/src/main/java/net/minecraft/world/entity/Entity.java
+++ b/src/main/java/net/minecraft/world/entity/Entity.java
@@ -2008,6 +2008,15 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource, n
}
}
+ // Paper start - Entity serialization api
+ public boolean serializeEntity(CompoundTag compound) {
+ List<Entity> pass = new java.util.ArrayList<>(this.getPassengers());
+ this.passengers = ImmutableList.of();
+ boolean result = save(compound);
+ this.passengers = ImmutableList.copyOf(pass);
+ return result;
+ }
+ // Paper end
public boolean save(CompoundTag nbt) {
return this.isPassenger() ? false : this.saveAsPassenger(nbt);
}
diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java
index ee50ea695585639d0ff184b675f3fb3b205b9f86..0bd800e1aeda87689a6c56ee6fadda381c74a4ff 100644
--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java
+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java
@@ -1276,5 +1276,15 @@ public abstract class CraftEntity implements org.bukkit.entity.Entity {
}
return set;
}
+
+ @Override
+ public boolean spawnAt(Location location, org.bukkit.event.entity.CreatureSpawnEvent.SpawnReason reason) {
+ Preconditions.checkNotNull(location, "location cannot be null");
+ Preconditions.checkNotNull(reason, "reason cannot be null");
+ entity.level = ((CraftWorld) location.getWorld()).getHandle();
+ entity.setPos(location.getX(), location.getY(), location.getZ());
+ entity.setRot(location.getYaw(), location.getPitch());
+ return !entity.valid && entity.level.addEntity(entity, reason);
+ }
// Paper end
}
diff --git a/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java b/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java
index eb11abe4bc8f06d457da674848b39fc3b3873d1a..424f3a9a645d57ad43c52932f5b388b5f146b9f0 100644
--- a/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java
+++ b/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java
@@ -421,6 +421,29 @@ public final class CraftMagicNumbers implements UnsafeValues {
return CraftItemStack.asCraftMirror(net.minecraft.world.item.ItemStack.of((CompoundTag) converted.getValue()));
}
+ @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, "only CraftEntities can be serialized");
+
+ CompoundTag compound = new CompoundTag();
+ ((org.bukkit.craftbukkit.entity.CraftEntity) entity).getHandle().serializeEntity(compound);
+ return serializeNbtToBytes(compound);
+ }
+
+ @Override
+ public org.bukkit.entity.Entity deserializeEntity(byte[] data, org.bukkit.World world, boolean preserveUUID) {
+ Preconditions.checkNotNull(data, "null cannot be deserialized");
+ Preconditions.checkArgument(data.length > 0, "cannot deserialize nothing");
+
+ CompoundTag compound = deserializeNbtFromBytes(data);
+ int dataVersion = compound.getInt("DataVersion");
+ compound = ca.spottedleaf.dataconverter.minecraft.MCDataConverter.convertTag(ca.spottedleaf.dataconverter.minecraft.datatypes.MCTypeRegistry.ENTITY, compound, dataVersion, getDataVersion());
+ if (!preserveUUID) compound.remove("UUID"); // Generate a new UUID so we don't have to worry about deserializing the same entity twice
+ return net.minecraft.world.entity.EntityType.create(compound, ((org.bukkit.craftbukkit.CraftWorld) world).getHandle())
+ .orElseThrow(() -> new IllegalArgumentException("An ID was not found for the data. Did you downgrade?")).getBukkitEntity();
+ }
+
private byte[] serializeNbtToBytes(CompoundTag compound) {
compound.putInt("DataVersion", getDataVersion());
java.io.ByteArrayOutputStream outputStream = new java.io.ByteArrayOutputStream();