From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Martijn Muijsers <martijnmuijsers@live.nl>
Date: Sun, 25 Dec 2022 19:31:09 +0100
Subject: [PATCH] Don't load chunks to spawn phantoms

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 load chunks when spawning phantoms"
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/level/levelgen/PhantomSpawner.java b/src/main/java/net/minecraft/world/level/levelgen/PhantomSpawner.java
index 1c3718d9244513d9fc795dceb564a81375734557..20249e200781daf072ee24102aba69124ca3128a 100644
--- a/src/main/java/net/minecraft/world/level/levelgen/PhantomSpawner.java
+++ b/src/main/java/net/minecraft/world/level/levelgen/PhantomSpawner.java
@@ -73,7 +73,15 @@ public class PhantomSpawner implements CustomSpawner {
 
                                     if (randomsource.nextInt(j) >= world.paperConfig().entities.behavior.playerInsomniaStartTicks) { // Paper
                                         BlockPos blockposition1 = blockposition.above(20 + randomsource.nextInt(15)).east(-10 + randomsource.nextInt(21)).south(-10 + randomsource.nextInt(21));
-                                        BlockState iblockdata = world.getBlockState(blockposition1);
+                                        // Gale start - MultiPaper - don't load chunks to spawn phantoms
+                                        BlockState iblockdata;
+                                        if (world.galeConfig().smallOptimizations.loadChunks.toSpawnPhantoms) {
+                                            iblockdata = world.getBlockState(blockposition1);
+                                        } else {
+                                            iblockdata = world.getBlockStateIfLoaded(blockposition1);
+                                            if (iblockdata == null) continue;
+                                        }
+                                        // Gale end - MultiPaper - don't load chunks to spawn phantoms
                                         FluidState fluid = world.getFluidState(blockposition1);
 
                                         if (NaturalSpawner.isValidEmptySpawnBlock(world, blockposition1, iblockdata, fluid, EntityType.PHANTOM)) {
diff --git a/src/main/java/org/galemc/gale/configuration/GaleWorldConfiguration.java b/src/main/java/org/galemc/gale/configuration/GaleWorldConfiguration.java
index f2e8569007b9d52885696de76b1bd1e1035f8121..75e0128d1f4f5b112f9908373b2e32941c68888e 100644
--- a/src/main/java/org/galemc/gale/configuration/GaleWorldConfiguration.java
+++ b/src/main/java/org/galemc/gale/configuration/GaleWorldConfiguration.java
@@ -272,6 +272,23 @@ public class GaleWorldConfiguration extends ConfigurationPart {
 
         }
 
+        public LoadChunks loadChunks;
+        public class LoadChunks extends ConfigurationPart {
+
+            // Gale start - MultiPaper - don't load chunks to spawn phantoms
+            /**
+             * Whether to load chunks to spawn phantoms. If false,
+             * attempts to spawn a phantom in unloaded chunks will do nothing.
+             * <ul>
+             *     <li><i>Default</i>: false</li>
+             *     <li><i>Vanilla</i>: true</li>
+             * </ul>
+             */
+            public boolean toSpawnPhantoms = false;
+            // Gale end - MultiPaper - don't load chunks to spawn phantoms
+
+        }
+
     }
 
     public GameplayMechanics gameplayMechanics;