Don't tick empty worlds (#9025)

patches/server/0005-Paper-config-files.patch

@@ -15,7 +15,7 @@ public net.minecraft.server.dedicated.DedicatedServerProperties reload(Lnet/mine
 public net.minecraft.world.level.NaturalSpawner SPAWNING_CATEGORIES
 
 diff --git a/build.gradle.kts b/build.gradle.kts
-index 8d2aa99b4bd0d1c46c66274907a1f11d605a75da..e865c5ce514770f4fde9146b6e7138e88932c33b 100644
+index 9098a40f944a3c6c0e907013c212eb3f1895e010..f838b058e6cad9061929509047bbe25c65baecf6 100644
 --- a/build.gradle.kts
 +++ b/build.gradle.kts
 @@ -11,6 +11,7 @@ dependencies {
@@ -1390,10 +1390,10 @@ index 0000000000000000000000000000000000000000..351fbbc577556ebbd62222615801a96b
 +}
 diff --git a/src/main/java/io/papermc/paper/configuration/WorldConfiguration.java b/src/main/java/io/papermc/paper/configuration/WorldConfiguration.java
 new file mode 100644
-index 0000000000000000000000000000000000000000..1a914ab53c24476473edc433d64daca6ec1c51d9
+index 0000000000000000000000000000000000000000..15bc01b59bb67f1f5d8590c08d13537fa81ca8e1
 --- /dev/null
 +++ b/src/main/java/io/papermc/paper/configuration/WorldConfiguration.java
-@@ -0,0 +1,550 @@
+@@ -0,0 +1,551 @@
 +package io.papermc.paper.configuration;
 +
 +import com.google.common.collect.HashBasedTable;
@@ -1843,6 +1843,7 @@ index 0000000000000000000000000000000000000000..1a914ab53c24476473edc433d64daca6
 +
 +    public class UnsupportedSettings extends ConfigurationPart {
 +        public boolean fixInvulnerableEndCrystalExploit = true;
++        public boolean disableWorldTickingWhenEmpty = false;
 +    }
 +
 +    public Hopper hopper;
@@ -4925,7 +4926,7 @@ index 397c978c71f36c8abe1c52e545699fc7928a6917..fc45c2c4ecdf3906df6bceaf3e019c46
              }
              // CraftBukkit end
 diff --git a/src/main/java/net/minecraft/server/level/ServerLevel.java b/src/main/java/net/minecraft/server/level/ServerLevel.java
-index ecc61c7b1b4eb887795ffd39578b70b4e77f5213..674c996af91de91ee6302cc67334b836ea4fa4de 100644
+index 50b79de15571ef30f202bae5952a9f825902e11a..aac9513ff4d3d494860bd06607cf8af5e466fd5b 100644
 --- a/src/main/java/net/minecraft/server/level/ServerLevel.java
 +++ b/src/main/java/net/minecraft/server/level/ServerLevel.java
 @@ -236,7 +236,7 @@ public class ServerLevel extends Level implements WorldGenLevel {

patches/server/1052-disable-forced-empty-world-ticks.patch

@@ -0,0 +1,19 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Shane Freeder <theboyetronic@gmail.com>
+Date: Tue, 21 Mar 2023 23:51:46 +0000
+Subject: [PATCH] disable forced empty world ticks
+
+
+diff --git a/src/main/java/net/minecraft/server/level/ServerLevel.java b/src/main/java/net/minecraft/server/level/ServerLevel.java
+index 4bca3d20d1a01270a10c1e643a312fe462305b5d..bf5e47e8c3706590fdc0731bd9a5858b56d06136 100644
+--- a/src/main/java/net/minecraft/server/level/ServerLevel.java
++++ b/src/main/java/net/minecraft/server/level/ServerLevel.java
+@@ -876,7 +876,7 @@ public class ServerLevel extends Level implements WorldGenLevel {
+ 
+         this.handlingTick = false;
+         gameprofilerfiller.pop();
+-        boolean flag1 = true || !this.players.isEmpty() || !this.getForcedChunks().isEmpty(); // CraftBukkit - this prevents entity cleanup, other issues on servers with no players
++        boolean flag1 = !paperConfig().unsupportedSettings.disableWorldTickingWhenEmpty || !this.players.isEmpty() || !this.getForcedChunks().isEmpty(); // CraftBukkit - this prevents entity cleanup, other issues on servers with no players // Paper - restore this
+ 
+         if (flag1) {
+             this.resetEmptyTime();