Leaf/leaf-server/minecraft-patches/features/0029-Variable-entity-wake-up-duration.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Martijn Muijsers <martijnmuijsers@live.nl>
Date: Wed, 22 Mar 2023 00:18:15 +0100
Subject: [PATCH] Variable entity wake-up duration

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

diff --git a/io/papermc/paper/entity/activation/ActivationRange.java b/io/papermc/paper/entity/activation/ActivationRange.java
index eee9c41e40402e52b73f34a734b4cbdeb6cfbc22..63ff39f3db2e695c8a14b021045c17f6d3d2f23d 100644
--- a/io/papermc/paper/entity/activation/ActivationRange.java
+++ b/io/papermc/paper/entity/activation/ActivationRange.java
@@ -59,27 +59,41 @@ public final class ActivationRange {
         if (entity.activationType == ActivationType.VILLAGER) {
             if (inactiveFor > config.wakeUpInactiveVillagersEvery && world.wakeupInactiveRemainingVillagers > 0) {
                 world.wakeupInactiveRemainingVillagers--;
-                return config.wakeUpInactiveVillagersFor;
+                return getWakeUpDurationWithVariance(entity, config.wakeUpInactiveVillagersFor); // Gale - variable entity wake-up duration
             }
         } else if (entity.activationType == ActivationType.ANIMAL) {
             if (inactiveFor > config.wakeUpInactiveAnimalsEvery && world.wakeupInactiveRemainingAnimals > 0) {
                 world.wakeupInactiveRemainingAnimals--;
-                return config.wakeUpInactiveAnimalsFor;
+                return getWakeUpDurationWithVariance(entity, config.wakeUpInactiveAnimalsFor); // Gale - variable entity wake-up duration
             }
         } else if (entity.activationType == ActivationType.FLYING_MONSTER) {
             if (inactiveFor > config.wakeUpInactiveFlyingEvery && world.wakeupInactiveRemainingFlying > 0) {
                 world.wakeupInactiveRemainingFlying--;
-                return config.wakeUpInactiveFlyingFor;
+                return getWakeUpDurationWithVariance(entity, config.wakeUpInactiveFlyingFor); // Gale - variable entity wake-up duration
             }
         } else if (entity.activationType == ActivationType.MONSTER || entity.activationType == ActivationType.RAIDER) {
             if (inactiveFor > config.wakeUpInactiveMonstersEvery && world.wakeupInactiveRemainingMonsters > 0) {
                 world.wakeupInactiveRemainingMonsters--;
-                return config.wakeUpInactiveMonstersFor;
+                return getWakeUpDurationWithVariance(entity, config.wakeUpInactiveMonstersFor); // Gale - variable entity wake-up duration
             }
         }
         return -1;
     }
 
+    // Gale start - variable entity wake-up duration
+    private static final java.util.Random wakeUpDurationRandom = new java.util.Random();
+
+    private static int getWakeUpDurationWithVariance(Entity entity, int wakeUpDuration) {
+        double deviation = entity.level().galeConfig().gameplayMechanics.entityWakeUpDurationRatioStandardDeviation;
+
+        if (deviation <= 0) {
+            return wakeUpDuration;
+        }
+
+        return (int) Math.min(Integer.MAX_VALUE, Math.max(1, Math.round(wakeUpDuration * wakeUpDurationRandom.nextGaussian(1, deviation))));
+    }
+    // Gale end - variable entity wake-up duration
+
     static AABB maxBB = new AABB(0, 0, 0, 0, 0, 0);
 
     /**