From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Suddenly <suddenly@suddenly.coffee>
Date: Tue, 1 Mar 2016 13:51:54 -0600
Subject: [PATCH] Add configurable despawn distances for living entities


diff --git a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
index 4982fd2842342fe9a37123e34af0040ec580cf2d..eb3185250812f5c2b2d24a2de6b2248d280b771e 100644
--- a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
+++ b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
@@ -98,4 +98,20 @@ public class PaperWorldConfig {
     private void nerfedMobsShouldJump() {
         nerfedMobsShouldJump = getBoolean("spawner-nerfed-mobs-should-jump", false);
     }
+
+    public int softDespawnDistance;
+    public int hardDespawnDistance;
+    private void despawnDistances() {
+        softDespawnDistance = getInt("despawn-ranges.soft", 32); // 32^2 = 1024, Minecraft Default
+        hardDespawnDistance = getInt("despawn-ranges.hard", 128); // 128^2 = 16384, Minecraft Default
+
+        if (softDespawnDistance > hardDespawnDistance) {
+            softDespawnDistance = hardDespawnDistance;
+        }
+
+        log("Living Entity Despawn Ranges:  Soft: " + softDespawnDistance + " Hard: " + hardDespawnDistance);
+
+        softDespawnDistance = softDespawnDistance*softDespawnDistance;
+        hardDespawnDistance = hardDespawnDistance*hardDespawnDistance;
+    }
 }
diff --git a/src/main/java/net/minecraft/server/EntityInsentient.java b/src/main/java/net/minecraft/server/EntityInsentient.java
index 59af58e1aed678b8eac83f2346f5822aff700fb7..c80d7f72a55ae92587ba8a4618787fb712bdaf23 100644
--- a/src/main/java/net/minecraft/server/EntityInsentient.java
+++ b/src/main/java/net/minecraft/server/EntityInsentient.java
@@ -698,14 +698,14 @@ public abstract class EntityInsentient extends EntityLiving {
                 int i = this.getEntityType().e().f();
                 int j = i * i;
 
-                if (d0 > (double) j) { // CraftBukkit - remove isTypeNotPersistent() check
+                if (d0 > (double) world.paperConfig.hardDespawnDistance) { // CraftBukkit - remove isTypeNotPersistent() check // Paper - custom despawn distances
                     this.die();
                 }
 
                 int k = this.getEntityType().e().g();
                 int l = k * k;
 
-                if (this.ticksFarFromPlayer > 600 && this.random.nextInt(800) == 0 && d0 > (double) l) { // CraftBukkit - remove isTypeNotPersistent() check
+                if (this.ticksFarFromPlayer > 600 && this.random.nextInt(800) == 0 && d0 > world.paperConfig.softDespawnDistance) { // CraftBukkit - remove isTypeNotPersistent() check // Paper - custom despawn distances
                     this.die();
                 } else if (d0 < (double) l) {
                     this.ticksFarFromPlayer = 0;