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/world/level/Level.java b/src/main/java/net/minecraft/world/level/Level.java
index 3c8d4d439d40a8dc340286e0a9852b8911ce607f..a3ff278b5a2caa8132025f6cbee46500e97f58c4 100644
--- a/src/main/java/net/minecraft/world/level/Level.java
+++ b/src/main/java/net/minecraft/world/level/Level.java
@@ -337,6 +337,11 @@ public abstract class Level implements LevelAccessor, AutoCloseable {
         return chunk == null ? null : chunk.getFluidState(blockposition);
     }
 
+    @Override
+    public final boolean hasChunkAt(BlockPos pos) {
+        return getChunkIfLoaded(pos.getX() >> 4, pos.getZ() >> 4) != null; // Paper
+    }
+
     public final boolean isLoadedAndInBounds(BlockPos blockposition) { // Paper - final for inline
         return getWorldBorder().isWithinBounds(blockposition) && getChunkIfLoadedImmediately(blockposition.getX() >> 4, blockposition.getZ() >> 4) != null;
     }
