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From 0033ccc91201ea518109c020dd1102531147941e 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 4eb8e25bf..d4ed23089 100644
--- a/src/main/java/net/minecraft/server/World.java
+++ b/src/main/java/net/minecraft/server/World.java
@@ -268,6 +268,10 @@ public abstract class World implements IEntityAccess, GeneratorAccess, IIBlockAc
         return this.getType(blockposition).isAir();
     }
 
+    public boolean isLoaded(BlockPosition blockposition) {
+        return getChunkIfLoaded(blockposition.getX() >> 4, blockposition.getZ() >> 4) != null; // Paper
+    }
+
     // Paper start
     public boolean isLoadedAndInBounds(BlockPosition blockposition) {
         return getWorldBorder().isInBounds(blockposition) && getChunkIfLoaded(blockposition.getX() >> 4, blockposition.getZ() >> 4) != null;
-- 
2.20.1