From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: NONPLAYT <76615486+NONPLAYT@users.noreply.github.com>
Date: Fri, 31 Mar 2023 00:39:40 +0300
Subject: [PATCH] Fix 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 f6c9bff8ef4e370dcb351490294181282ad156e3..bc0abec15b6d8e1299a0d8c86265027e74c705d1 100644
--- a/src/main/java/net/minecraft/world/entity/Entity.java
+++ b/src/main/java/net/minecraft/world/entity/Entity.java
@@ -2343,15 +2343,6 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource, S
         }
     }
 
-    // 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 - Entity serialization api
     public boolean save(CompoundTag nbt) {
         return this.isPassenger() ? false : this.saveAsPassenger(nbt);
     }
diff --git a/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java b/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java
index d5f642e4b1c1ede7e9d2dea072aa5f22c73b5c23..11110398ebd42e4049e36a90d5677bdd8a7d550c 100644
--- a/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java
+++ b/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java
@@ -523,8 +523,13 @@ public final class CraftMagicNumbers implements UnsafeValues {
         Preconditions.checkNotNull(entity, "null cannot be serialized");
         Preconditions.checkArgument(entity instanceof org.bukkit.craftbukkit.entity.CraftEntity, "only CraftEntities can be serialized");
 
+        net.minecraft.world.entity.Entity nmsEntity = ((org.bukkit.craftbukkit.entity.CraftEntity) entity).getHandle();
         CompoundTag compound = new CompoundTag();
-        ((org.bukkit.craftbukkit.entity.CraftEntity) entity).getHandle().serializeEntity(compound);
+        compound.putString("id", net.minecraft.world.entity.EntityType.getKey(nmsEntity.getType()).toString());
+        List<net.minecraft.world.entity.Entity> pass = new java.util.ArrayList<>(nmsEntity.getPassengers());
+        nmsEntity.passengers = com.google.common.collect.ImmutableList.of();
+        nmsEntity.saveWithoutId(compound);
+        nmsEntity.passengers = com.google.common.collect.ImmutableList.copyOf(pass);
         return serializeNbtToBytes(compound);
     }