From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: NONPLAYT <76615486+NONPLAYT@users.noreply.github.com>
Date: Thu, 27 Mar 2025 00:04:19 +0300
Subject: [PATCH] Paper PR: Throttle failed spawn attempts

Original license: GPLv3
Original project: https://github.com/PaperMC/Paper
Paper pull request: https://github.com/PaperMC/Paper/pull/11099

Example config in paper-world-defaults.yml:
```
    spawning-throttle:
      failed-attempts-threshold: 1200
      throttled-ticks-per-spawn:
        ambient: 10 # default value in bukkit.yml tickers-per * 10
        axolotls: 10
        creature: 4000
        monster: 10
        underground_water_creature: 10
        water_ambient: 10
        water_creature: 10
```

diff --git a/src/main/java/io/papermc/paper/configuration/WorldConfiguration.java b/src/main/java/io/papermc/paper/configuration/WorldConfiguration.java
index 65f6839fe75340a4b58894ad50c6eda7b59128c0..f7610c709bd6f9e30ec7b1295d58dfbe98fc8661 100644
--- a/src/main/java/io/papermc/paper/configuration/WorldConfiguration.java
+++ b/src/main/java/io/papermc/paper/configuration/WorldConfiguration.java
@@ -182,6 +182,17 @@ public class WorldConfiguration extends ConfigurationPart {
             @MergeMap
             public Reference2IntMap<MobCategory> ticksPerSpawn = Util.make(new Reference2IntOpenHashMap<>(NaturalSpawner.SPAWNING_CATEGORIES.length), map -> Arrays.stream(NaturalSpawner.SPAWNING_CATEGORIES).forEach(mobCategory -> map.put(mobCategory, -1)));
 
+            // Paper start - throttle failed spawn attempts
+            public SpawningThrottle spawningThrottle;
+
+            public class SpawningThrottle extends ConfigurationPart {
+                public IntOr.Disabled failedAttemptsThreshold = IntOr.Disabled.DISABLED;
+
+                @MergeMap
+                public Reference2IntMap<MobCategory> throttledTicksPerSpawn = Util.make(new Reference2IntOpenHashMap<>(NaturalSpawner.SPAWNING_CATEGORIES.length), map -> Arrays.stream(NaturalSpawner.SPAWNING_CATEGORIES).forEach(mobCategory -> map.put(mobCategory, -1)));
+            }
+            // Paper end - throttle failed spawn attempts
+
             @ConfigSerializable
             public record DespawnRangePair(@Required DespawnRange hard, @Required DespawnRange soft) {
                 public static DespawnRangePair createDefault() {