From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: nostalgic853 <yuu8583@proton.me>
Date: Tue, 25 Oct 2022 15:09:30 +0800
Subject: [PATCH] Use cached pool for mob spawning executor


diff --git a/src/main/java/net/minecraft/server/MinecraftServer.java b/src/main/java/net/minecraft/server/MinecraftServer.java
index 0a1662fc8bffca26de909c980b828f7ab05aa5a3..ae95e3af64811f6f149a01b9715d8fdd2c2583fa 100644
--- a/src/main/java/net/minecraft/server/MinecraftServer.java
+++ b/src/main/java/net/minecraft/server/MinecraftServer.java
@@ -43,6 +43,7 @@ import java.util.Optional;
 import java.util.Set;
 import java.util.concurrent.CompletableFuture;
 import java.util.concurrent.Executor;
+import java.util.concurrent.ExecutorService;
 import java.util.concurrent.RejectedExecutionException;
 import java.util.concurrent.atomic.AtomicReference;
 import java.util.function.BooleanSupplier;
@@ -302,7 +303,7 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
     public volatile boolean abnormalExit = false; // Paper
     public boolean isIteratingOverLevels = false; // Paper
 
-    public gg.pufferfish.pufferfish.util.AsyncExecutor mobSpawnExecutor = new gg.pufferfish.pufferfish.util.AsyncExecutor("MobSpawning"); // Pufferfish - optimize mob spawning
+    public ExecutorService mobSpawnExecutor; // Pufferfish - optimize mob spawning // KeYi - use cached pool
 
     public static <S extends MinecraftServer> S spin(Function<Thread, S> serverFactory) {
         AtomicReference<S> atomicreference = new AtomicReference();
diff --git a/src/main/java/net/minecraft/server/dedicated/DedicatedServer.java b/src/main/java/net/minecraft/server/dedicated/DedicatedServer.java
index 9a4c782b8be6a837a5c1a07e930b6bb8069b1c54..642c56b17d98b5f527dfa271ee45c5e831c13bf6 100644
--- a/src/main/java/net/minecraft/server/dedicated/DedicatedServer.java
+++ b/src/main/java/net/minecraft/server/dedicated/DedicatedServer.java
@@ -1,6 +1,7 @@
 package net.minecraft.server.dedicated;
 
 import com.google.common.collect.Lists;
+import com.google.common.util.concurrent.ThreadFactoryBuilder;
 import com.mojang.authlib.GameProfile;
 import com.mojang.datafixers.DataFixer;
 import com.mojang.logging.LogUtils;
@@ -17,6 +18,7 @@ import java.util.Collections;
 import java.util.List;
 import java.util.Locale;
 import java.util.Optional;
+import java.util.concurrent.Executors;
 import java.util.function.BooleanSupplier;
 import javax.annotation.Nullable;
 import net.minecraft.DefaultUncaughtExceptionHandler;
@@ -389,7 +391,13 @@ public class DedicatedServer extends MinecraftServer implements ServerInterface
                 DedicatedServer.LOGGER.info("JMX monitoring enabled");
             }
 
-            if (gg.pufferfish.pufferfish.PufferfishConfig.enableAsyncMobSpawning) mobSpawnExecutor.start(); // Pufferfish
+            // KeYi start - use cached pool
+            if (gg.pufferfish.pufferfish.PufferfishConfig.enableAsyncMobSpawning) {
+                mobSpawnExecutor = Executors.newCachedThreadPool(new ThreadFactoryBuilder()
+                        .setNameFormat("KeYi Mob Spawning Thread - %s")
+                        .build());
+            }
+            // KeYi end
             org.purpurmc.purpur.task.BossBarTask.startAll(); // Purpur
             org.purpurmc.purpur.task.BeehiveTask.instance().register(); // Purpur
             return true;