From 0d15225b1d089dd09fdb36639e4b8d3a5057a0bf Mon Sep 17 00:00:00 2001
From: Leijurv <leijurv@gmail.com>
Date: Mon, 4 Mar 2019 21:00:30 -0800
Subject: [PATCH] dont construct one unlesss we need to

---
 src/main/java/baritone/cache/CachedChunk.java | 16 +++++++++++-----
 1 file changed, 11 insertions(+), 5 deletions(-)

diff --git a/src/main/java/baritone/cache/CachedChunk.java b/src/main/java/baritone/cache/CachedChunk.java
index 390ea3f3..10c17898 100644
--- a/src/main/java/baritone/cache/CachedChunk.java
+++ b/src/main/java/baritone/cache/CachedChunk.java
@@ -143,9 +143,13 @@ public final class CachedChunk {
         this.heightMap = new int[256];
         this.specialBlockLocations = specialBlockLocations;
         this.cacheTimestamp = cacheTimestamp;
-        this.special = new Int2ObjectOpenHashMap<>();
+        if (specialBlockLocations.isEmpty()) {
+            this.special = null;
+        } else {
+            this.special = new Int2ObjectOpenHashMap<>();
+            setSpecial();
+        }
         calculateHeightMap();
-        setSpecial();
     }
 
     private final void setSpecial() {
@@ -170,9 +174,11 @@ public final class CachedChunk {
             }*/
             return overview[internalPos];
         }
-        String str = special.get(index);
-        if (str != null) {
-            return ChunkPacker.stringToBlock(str).getDefaultState();
+        if (special != null) {
+            String str = special.get(index);
+            if (str != null) {
+                return ChunkPacker.stringToBlock(str).getDefaultState();
+            }
         }
 
         if (type == PathingBlockType.SOLID && y == 127 && dimension == -1) {