From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: William Blake Galbreath <blake.galbreath@gmail.com>
Date: Fri, 6 Mar 2020 13:37:26 -0600
Subject: [PATCH] Fix the dead lagging the server


diff --git a/src/main/java/net/minecraft/world/entity/Entity.java b/src/main/java/net/minecraft/world/entity/Entity.java
index a12fcb4be21f32933cee916c863d6637ad87ef15..8197ad7db6ec1a750b732e597af75f41ab056778 100644
--- a/src/main/java/net/minecraft/world/entity/Entity.java
+++ b/src/main/java/net/minecraft/world/entity/Entity.java
@@ -1735,6 +1735,7 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource, n
         this.setXRot(Mth.clamp(pitch, -90.0F, 90.0F) % 360.0F);
         this.yRotO = this.getYRot();
         this.xRotO = this.getXRot();
+        if (valid && !this.isRemoved()) level.getChunk((int) Math.floor(this.getX()) >> 4, (int) Math.floor(this.getZ()) >> 4); // CraftBukkit // Paper // Purpur
     }
 
     public void absMoveTo(double x, double y, double z) {
diff --git a/src/main/java/net/minecraft/world/entity/LivingEntity.java b/src/main/java/net/minecraft/world/entity/LivingEntity.java
index a88b37884e564303a86422cf50faadaf41b9d3f3..df6e71ee5b151b0b319defb4b9fd10858ff03bbd 100644
--- a/src/main/java/net/minecraft/world/entity/LivingEntity.java
+++ b/src/main/java/net/minecraft/world/entity/LivingEntity.java
@@ -2883,7 +2883,7 @@ public abstract class LivingEntity extends Entity {
             }
         }
 
-        this.aiStep();
+        if (!this.isRemoved()) this.aiStep(); // Purpur
         double d0 = this.getX() - this.xo;
         double d1 = this.getZ() - this.zo;
         float f = (float) (d0 * d0 + d1 * d1);