From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Paul Sauve <paul@technove.co>
Date: Mon, 26 Apr 2021 11:20:12 -0500
Subject: [PATCH] Reduce frequency of checking for entity despawn

This isn't a great way to deal with this, but at a high number of
entities this starts adding up more than it should, and it's already
fairly optimized. Just starts being slow when you have 30k entities.

diff --git a/src/main/java/gg/airplane/AirplaneConfig.java b/src/main/java/gg/airplane/AirplaneConfig.java
index 94c18e824695af69e39288195cc2fa83a13029d6..a673eaad4cd80287e8a357f8c45b2add156ff0b9 100644
--- a/src/main/java/gg/airplane/AirplaneConfig.java
+++ b/src/main/java/gg/airplane/AirplaneConfig.java
@@ -103,4 +103,13 @@ public class AirplaneConfig {
     }
 
 
+    public static byte entityDespawnCheckFrequency;
+
+    private static void entitySettings() {
+        config.setComment("entities", "Configures settings for generic entities");
+
+        entityDespawnCheckFrequency = (byte) Math.max(config.getInt("entities.despawn-check-freq", 8), Byte.MAX_VALUE);
+    }
+
+
 }
diff --git a/src/main/java/net/minecraft/world/entity/EntityInsentient.java b/src/main/java/net/minecraft/world/entity/EntityInsentient.java
index c67138e6a4dcbe823e894f6bb948742bfb8f9943..0f0bf91a3d01c0eb841db81ac441cf5936a2cdfe 100644
--- a/src/main/java/net/minecraft/world/entity/EntityInsentient.java
+++ b/src/main/java/net/minecraft/world/entity/EntityInsentient.java
@@ -774,8 +774,15 @@ public abstract class EntityInsentient extends EntityLiving {
         return false;
     }
 
+    // Airplane start - just reduce frequency of checking for despawn
+    private byte despawnCheck = 0;
     @Override
     public void checkDespawn() {
+        if (++despawnCheck < gg.airplane.AirplaneConfig.entityDespawnCheckFrequency) {
+            return;
+        }
+        this.despawnCheck = 0;
+        // Airplane end
         if (this.world.getDifficulty() == EnumDifficulty.PEACEFUL && this.L()) {
             this.die();
         } else if (!this.isPersistent() && !this.isSpecialPersistence()) {