From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Martijn Muijsers <martijnmuijsers@live.nl>
Date: Wed, 30 Nov 2022 20:38:15 +0100
Subject: [PATCH] Prevent entities random strolling into non-ticking chunks

License: GPL-3.0 (https://www.gnu.org/licenses/gpl-3.0.html)
Gale - https://galemc.org

This patch is based on the following patch:
"Don't wander into non-ticking chunks"
By: PureGero <puregero@gmail.com>
As part of: MultiPaper (https://github.com/MultiPaper/MultiPaper)
Licensed under: GPL-3.0 (https://www.gnu.org/licenses/gpl-3.0.html)

diff --git a/src/main/java/net/minecraft/world/entity/ai/goal/RandomStrollGoal.java b/src/main/java/net/minecraft/world/entity/ai/goal/RandomStrollGoal.java
index 676e1580849e8942eb41c7a3a80f464138b22764..9e4d0493aa814a392742c9ddc1815211e9b9b186 100644
--- a/src/main/java/net/minecraft/world/entity/ai/goal/RandomStrollGoal.java
+++ b/src/main/java/net/minecraft/world/entity/ai/goal/RandomStrollGoal.java
@@ -2,6 +2,9 @@ package net.minecraft.world.entity.ai.goal;
 
 import java.util.EnumSet;
 import javax.annotation.Nullable;
+
+import net.minecraft.core.BlockPos;
+import net.minecraft.server.level.ServerLevel;
 import net.minecraft.world.entity.PathfinderMob;
 import net.minecraft.world.entity.ai.util.DefaultRandomPos;
 import net.minecraft.world.phys.Vec3;
@@ -49,7 +52,7 @@ public class RandomStrollGoal extends Goal {
             }
 
             Vec3 vec3 = this.getPosition();
-            if (vec3 == null) {
+            if (vec3 == null || (!this.mob.level().galeConfig().gameplayMechanics.entitiesCanRandomStrollIntoNonTickingChunks && !((ServerLevel) this.mob.level()).isPositionEntityTicking(BlockPos.containing(vec3)))) { // Gale - MultiPaper - prevent entities random strolling into non-ticking chunks
                 return false;
             } else {
                 this.wantedX = vec3.x;
diff --git a/src/main/java/org/galemc/gale/configuration/GaleWorldConfiguration.java b/src/main/java/org/galemc/gale/configuration/GaleWorldConfiguration.java
index 1efeb37086f5c897f2f1ae1ecdc713f1e3a55ede..15b351e23ca2daac2a903d58774f2a9bf3b4b070 100644
--- a/src/main/java/org/galemc/gale/configuration/GaleWorldConfiguration.java
+++ b/src/main/java/org/galemc/gale/configuration/GaleWorldConfiguration.java
@@ -137,6 +137,7 @@ public class GaleWorldConfiguration extends ConfigurationPart {
         }
 
         public boolean arrowMovementResetsDespawnCounter = true; // Gale - Purpur - make arrow movement resetting despawn counter configurable
+        public boolean entitiesCanRandomStrollIntoNonTickingChunks = true; // Gale - MultiPaper - prevent entities random strolling into non-ticking chunks
         public double entityWakeUpDurationRatioStandardDeviation = 0.2; // Gale - variable entity wake-up duration
         public boolean hideFlamesOnEntitiesWithFireResistance = false; // Gale - Slice - hide flames on entities with fire resistance
         public boolean tryRespawnEnderDragonAfterEndCrystalPlace = true; // Gale - Pufferfish - make ender dragon respawn attempt after placing end crystals configurable