Configurable Entity Despawn Time (#11454)

* Configurable Entity Despawn Time

Co-authored-by: Kevin Raneri <kevin.raneri@gmail.com>

* Rebase

* Rebase

* rebase

* throw exceptions for this map

---------

Co-authored-by: Kevin Raneri <kevin.raneri@gmail.com>

patches/server/0022-Remap-reflection-calls-in-plugins-using-internals.patch

@@ -6,7 +6,7 @@ Subject: [PATCH] Remap reflection calls in plugins using internals
 Co-authored-by: Jason Penilla <11360596+jpenilla@users.noreply.github.com>
 
 diff --git a/build.gradle.kts b/build.gradle.kts
-index 24f3d0c96fe9d70b1a7cf528e09ebfc4366577ed..7aee6d9849f0a9c64db0368d2faa03c0633a72a4 100644
+index 8678e5bd59a7e085cb1b4e38f29e06ce36d2c1de..8d05216e246bfaec5945cdd55d08b6a388a769e8 100644
 --- a/build.gradle.kts
 +++ b/build.gradle.kts
 @@ -62,6 +62,12 @@ dependencies {
@@ -23,7 +23,7 @@ index 24f3d0c96fe9d70b1a7cf528e09ebfc4366577ed..7aee6d9849f0a9c64db0368d2faa03c0
  
  paperweight {
 diff --git a/src/main/java/io/papermc/paper/configuration/serializer/PacketClassSerializer.java b/src/main/java/io/papermc/paper/configuration/serializer/PacketClassSerializer.java
-index 893ad5e7c2d32ccd64962d95d146bbd317c28ab8..3d73ea0e63c97b2b08e719b7be7af3894fb2d4e8 100644
+index b61935052154e76b1b8cb49868c96c52f34a41d1..a2fe12513b93ded71517955ef3e52c925f56f7d1 100644
 --- a/src/main/java/io/papermc/paper/configuration/serializer/PacketClassSerializer.java
 +++ b/src/main/java/io/papermc/paper/configuration/serializer/PacketClassSerializer.java
 @@ -5,6 +5,7 @@ import com.google.common.collect.ImmutableBiMap;
@@ -32,9 +32,9 @@ index 893ad5e7c2d32ccd64962d95d146bbd317c28ab8..3d73ea0e63c97b2b08e719b7be7af389
  import io.papermc.paper.configuration.serializer.collections.MapSerializer;
 +import io.papermc.paper.util.MappingEnvironment;
  import io.papermc.paper.util.ObfHelper;
- import net.minecraft.network.protocol.Packet;
- import org.checkerframework.checker.nullness.qual.Nullable;
-@@ -69,7 +70,7 @@ public final class PacketClassSerializer extends ScalarSerializer<Class<? extend
+ import java.lang.reflect.Type;
+ import java.util.List;
+@@ -68,7 +69,7 @@ public final class PacketClassSerializer extends ScalarSerializer<Class<? extend
      @Override
      protected @Nullable Object serialize(final Class<? extends Packet<?>> packetClass, final Predicate<Class<?>> typeSupported) {
          final String name = packetClass.getName();

patches/server/0928-Add-onboarding-message-for-initial-server-start.patch

@@ -5,10 +5,10 @@ Subject: [PATCH] Add onboarding message for initial server start
 
 
 diff --git a/src/main/java/io/papermc/paper/configuration/Configurations.java b/src/main/java/io/papermc/paper/configuration/Configurations.java
-index d9502ba028a96f9cc846f9ed428bd8066b857ca3..87e5f614ba988547a827486740db217e28585773 100644
+index 007e01d329a31acf7f4ed4c6dc4de7ad54ccad04..8cf720f08514e8e4f62f4ad196f1277bd761c6b2 100644
 --- a/src/main/java/io/papermc/paper/configuration/Configurations.java
 +++ b/src/main/java/io/papermc/paper/configuration/Configurations.java
-@@ -129,6 +129,7 @@ public abstract class Configurations<G, W> {
+@@ -127,6 +127,7 @@ public abstract class Configurations<G, W> {
          if (Files.notExists(configFile)) {
              node = CommentedConfigurationNode.root(loader.defaultOptions());
              node.node(Configuration.VERSION_FIELD).raw(this.globalConfigVersion());
@@ -17,7 +17,7 @@ index d9502ba028a96f9cc846f9ed428bd8066b857ca3..87e5f614ba988547a827486740db217e
              node = loader.load();
              this.verifyGlobalConfigVersion(node);
 diff --git a/src/main/java/io/papermc/paper/configuration/GlobalConfiguration.java b/src/main/java/io/papermc/paper/configuration/GlobalConfiguration.java
-index 56798215644d8bca1695856b3a941e8089f49e48..46c37c8db8ecf3cc808fcf59f6bee5fe6ca49b75 100644
+index e0cef37664b64f5db95943c5c118424436163e06..5e9c471ab20b0391e7e41351c65d96745fc8ce4a 100644
 --- a/src/main/java/io/papermc/paper/configuration/GlobalConfiguration.java
 +++ b/src/main/java/io/papermc/paper/configuration/GlobalConfiguration.java
 @@ -25,6 +25,7 @@ public class GlobalConfiguration extends ConfigurationPart {

patches/server/1070-Configurable-Entity-Despawn-Time.patch

@@ -0,0 +1,39 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Kevin Raneri <kevin.raneri@gmail.com>
+Date: Mon, 30 Sep 2024 09:50:55 -0700
+Subject: [PATCH] Configurable Entity Despawn Time
+
+
+diff --git a/src/main/java/net/minecraft/world/entity/Entity.java b/src/main/java/net/minecraft/world/entity/Entity.java
+index 8be1b051543cda2b2e9e3d337834757e53f442de..ed5b00620527c1776722d25b1b45f1544802a341 100644
+--- a/src/main/java/net/minecraft/world/entity/Entity.java
++++ b/src/main/java/net/minecraft/world/entity/Entity.java
+@@ -432,6 +432,7 @@ public abstract class Entity implements SyncedDataHolder, Nameable, EntityAccess
+     private UUID originWorld;
+     public boolean freezeLocked = false; // Paper - Freeze Tick Lock API
+     public boolean fixedPose = false; // Paper - Expand Pose API
++    private final int despawnTime; // Paper - entity despawn time limit
+ 
+     public void setOrigin(@javax.annotation.Nonnull Location location) {
+         this.origin = location.toVector();
+@@ -614,6 +615,7 @@ public abstract class Entity implements SyncedDataHolder, Nameable, EntityAccess
+ 
+     public Entity(EntityType<?> type, Level world) {
+         this.id = Entity.ENTITY_COUNTER.incrementAndGet();
++        this.despawnTime = type == EntityType.PLAYER ? -1 : world.paperConfig().entities.spawning.despawnTime.getOrDefault(type, io.papermc.paper.configuration.type.number.IntOr.Disabled.DISABLED).or(-1); // Paper - entity despawn time limit
+         this.passengers = ImmutableList.of();
+         this.deltaMovement = Vec3.ZERO;
+         this.bb = Entity.INITIAL_AABB;
+@@ -912,6 +914,12 @@ public abstract class Entity implements SyncedDataHolder, Nameable, EntityAccess
+     }
+ 
+     public void tick() {
++        // Paper start - entity despawn time limit
++        if (this.despawnTime >= 0 && this.tickCount >= this.despawnTime) {
++            this.discard(org.bukkit.event.entity.EntityRemoveEvent.Cause.DESPAWN);
++            return;
++        }
++        // Paper end - entity despawn time limit
+         this.baseTick();
+     }
+