From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Mon, 23 Jul 2018 22:18:31 -0400
Subject: [PATCH] Mark chunk dirty anytime entities change to guarantee it
 saves


diff --git a/src/main/java/net/minecraft/world/level/chunk/Chunk.java b/src/main/java/net/minecraft/world/level/chunk/Chunk.java
index 86872f4e65d7e0ca68237a42fe87f33ba7a92802..bae9ba25136d66f59b03f0ad3d6ac1f915097ae2 100644
--- a/src/main/java/net/minecraft/world/level/chunk/Chunk.java
+++ b/src/main/java/net/minecraft/world/level/chunk/Chunk.java
@@ -558,6 +558,7 @@ public class Chunk implements IChunkAccess {
         entity.chunkZ = this.loc.z;
         this.entities.add(entity); // Paper - per chunk entity list
         this.entitySlices[k].add(entity);
+        this.markDirty(); // Paper
     }
 
     @Override
@@ -586,6 +587,7 @@ public class Chunk implements IChunkAccess {
             return;
         }
         entityCounts.decrement(entity.getMinecraftKeyString());
+        this.markDirty(); // Paper
         // Paper end
         this.entities.remove(entity); // Paper
     }