From 0a9b89c7a84ed7affccad806277bcca0a7d44eaa Mon Sep 17 00:00:00 2001
From: MiniDigger | Martin <admin@minidigger.me>
Date: Fri, 16 Apr 2021 17:55:10 +0200
Subject: [PATCH] Fix occasional light gen issues for neighbor blocks (#5500)

Co-authored-by: Spottedleaf <Spottedleaf@users.noreply.github.com>
---
 Spigot-Server-Patches/0493-Optimize-Light-Engine.patch | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Spigot-Server-Patches/0493-Optimize-Light-Engine.patch b/Spigot-Server-Patches/0493-Optimize-Light-Engine.patch
index 6136fa5c2..be7ebd144 100644
--- a/Spigot-Server-Patches/0493-Optimize-Light-Engine.patch
+++ b/Spigot-Server-Patches/0493-Optimize-Light-Engine.patch
@@ -472,7 +472,7 @@ index b82420e9a5d42a4383d24921614fe613c640edb9..0fec15e141051863dbf51a2b3e1ace50
      private static final int nibbleBucketSizeMultiplier = Integer.getInteger("Paper.nibbleBucketSize", 3072);
      private static final int maxPoolSize = Integer.getInteger("Paper.maxNibblePoolSize", (int) Math.min(6, Math.max(1, Runtime.getRuntime().maxMemory() / 1024 / 1024 / 1024)) * (nibbleBucketSizeMultiplier * 8));
 diff --git a/src/main/java/net/minecraft/world/level/lighting/LightEngineBlock.java b/src/main/java/net/minecraft/world/level/lighting/LightEngineBlock.java
-index f6198069e3ca421b4f551939263c7cf8bd5b754e..e8d2415033c5db3c27e10a38e1ea75e60ebd693e 100644
+index f6198069e3ca421b4f551939263c7cf8bd5b754e..29e98864209c51368a91fa9e530c33cbf9830b51 100644
 --- a/src/main/java/net/minecraft/world/level/lighting/LightEngineBlock.java
 +++ b/src/main/java/net/minecraft/world/level/lighting/LightEngineBlock.java
 @@ -23,9 +23,11 @@ public final class LightEngineBlock extends LightEngineLayer<LightEngineStorageB
@@ -551,7 +551,7 @@ index f6198069e3ca421b4f551939263c7cf8bd5b754e..e8d2415033c5db3c27e10a38e1ea75e6
 -            long j1 = BlockPosition.a(i, enumdirection);
 -            long k1 = SectionPosition.e(j1);
 +            long j1 = BlockPosition.getAdjacent(x, y, z, enumdirection); // Paper
-+            long k1 = SectionPosition.getAdjacentFromBlockPos(x, y, z, enumdirection); // Paper
++            long k1 = SectionPosition.blockToSection(j1); // Paper
  
              if (k == k1 || ((LightEngineStorageBlock) this.c).g(k1)) {
                  this.b(i, j1, j, flag);