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 705fe5e4a8b25fb061263ac60e491aeff83bd930..cff2a34ba0bbd2af20d60eb7934c7c62cd121b22 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;
@@ -303,7 +304,7 @@ 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", () -> true); // 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 d6c3db7234fa9b52e945cb004d8ae843aabf1302..dbefb06e013efadd056a60b60f4a0f1c1044ab97 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;
@@ -393,7 +395,13 @@ 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;