From 9b0195f22a3d8c5de5d39de2a01de5335c32c84f 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 c7a4fab1c..58f1136df 100644
--- a/src/main/java/net/minecraft/server/World.java
+++ b/src/main/java/net/minecraft/server/World.java
@@ -237,6 +237,11 @@ 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.windows.1