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 216929c838446c3c14d9b9906ffa625ef35fcbc8..29c7f53a4fa88a77c4076a6294e689e4dff9977b 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(new BlockPos(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 3c8f498ed1f730cc53fd395839f58ac4bd916265..92c6883c86fcfae34a57feb15e3a401f2bddc36a 100644
--- a/src/main/java/org/galemc/gale/configuration/GaleWorldConfiguration.java
+++ b/src/main/java/org/galemc/gale/configuration/GaleWorldConfiguration.java
@@ -247,6 +247,7 @@ public class GaleWorldConfiguration extends ConfigurationPart {
     public class GameplayMechanics extends ConfigurationPart {
 
         public boolean entitiesCanEatBlocksInNonTickingChunks = false; // Gale - Purpur - prevent entities eating blocks in non-ticking chunks
+        public boolean entitiesCanRandomStrollIntoNonTickingChunks = true; // Gale - MultiPaper - prevent entities random strolling into non-ticking chunks
         public boolean arrowMovementResetsDespawnCounter = true; // Gale - Purpur - make arrow movement resetting despawn counter configurable
         public boolean hideFlamesOnEntitiesWithFireResistance = false; // Gale - Slice - hide flames on entities with fire resistance