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 b41e7922dd96c3358eb849ab39982a75736e3476..2f0d582baf0eb2bb477944d0cb1369db6ca33956 100644
--- a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
+++ b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
@@ -102,4 +102,20 @@ 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/world/entity/Mob.java b/src/main/java/net/minecraft/world/entity/Mob.java
index 8e2f3ffae0071be4f44c9b04269913d9daed2a4d..f8dcd9cb5e6d223f4f5445a4172cc6c4ea160313 100644
--- a/src/main/java/net/minecraft/world/entity/Mob.java
+++ b/src/main/java/net/minecraft/world/entity/Mob.java
@@ -774,16 +774,16 @@ public abstract class Mob extends LivingEntity {
                 int i = this.getType().getCategory().getDespawnDistance();
                 int j = i * i;
 
-                if (d0 > (double) j) { // CraftBukkit - remove isTypeNotPersistent() check
+                if (d0 > (double) level.paperConfig.hardDespawnDistance) { // CraftBukkit - remove isTypeNotPersistent() check // Paper - custom despawn distances
                     this.discard();
                 }
 
                 int k = this.getType().getCategory().getNoDespawnDistance();
                 int l = k * k;
 
-                if (this.noActionTime > 600 && this.random.nextInt(800) == 0 && d0 > (double) l) { // CraftBukkit - remove isTypeNotPersistent() check
+                if (this.noActionTime > 600 && this.random.nextInt(800) == 0 && d0 > level.paperConfig.softDespawnDistance) { // CraftBukkit - remove isTypeNotPersistent() check // Paper - custom despawn distances
                     this.discard();
-                } else if (d0 < (double) l) {
+                } else if (d0 < level.paperConfig.softDespawnDistance) { // Paper - custom despawn distances
                     this.noActionTime = 0;
                 }
             }