From 0000000000000000000000000000000000000000 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 dbc7cbba7134ff0281c6e77cd246073bba8b9ce2..f773c19d69ebcb75cf97b07fd015baf3d6e6cae8 100644
--- a/src/main/java/net/minecraft/server/World.java
+++ b/src/main/java/net/minecraft/server/World.java
@@ -252,6 +252,10 @@ public abstract class World implements GeneratorAccess, AutoCloseable {
         return chunk == null ? null : chunk.getFluid(blockposition);
     }
 
+    public final boolean isLoaded(BlockPosition blockposition) {
+        return getChunkIfLoaded(blockposition.getX() >> 4, blockposition.getZ() >> 4) != null; // Paper
+    }
+
     public final boolean isLoadedAndInBounds(BlockPosition blockposition) { // Paper - final for inline
         return getWorldBorder().isInBounds(blockposition) && getChunkIfLoadedImmediately(blockposition.getX() >> 4, blockposition.getZ() >> 4) != null;
     }