From b8a1a6f9d0ea4937e32897cdd74f09e6e844b8b5 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Fri, 2 Dec 2016 00:11:43 -0500
Subject: [PATCH] Optimize World.isLoaded(BlockPosition)Z

Reduce method invocations for World.isLoaded(BlockPosition)Z

diff --git a/src/main/java/net/minecraft/server/World.java b/src/main/java/net/minecraft/server/World.java
index 3898010774..f8b2d3abf9 100644
--- a/src/main/java/net/minecraft/server/World.java
+++ b/src/main/java/net/minecraft/server/World.java
@@ -220,6 +220,11 @@ public abstract class World implements GeneratorAccess, AutoCloseable {
         return chunk == null ? null : chunk.getFluid(blockposition);
     }
 
+    public boolean isLoaded(BlockPosition blockposition) {
+        return getChunkIfLoaded(blockposition.getX() >> 4, blockposition.getZ() >> 4) != null; // Paper
+    }
+
+
     public boolean isLoadedAndInBounds(BlockPosition blockposition) {
         return getWorldBorder().isInBounds(blockposition) && getChunkIfLoadedImmediately(blockposition.getX() >> 4, blockposition.getZ() >> 4) != null;
     }
-- 
2.25.0