PaperMC/Spigot-Server-Patches/0090-Do-not-load-chunks-for-light-checks.patch

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From 883ae24227ae7d3d77fb1cdf092799df76d9841e Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Thu, 31 Mar 2016 19:17:58 -0400
Subject: [PATCH] Do not load chunks for light checks
Should only happen for blocks on the edge that uses neighbors light level
(certain blocks). In that case, there will be 3-4 other neighbors to get a light level from.
diff --git a/src/main/java/net/minecraft/server/World.java b/src/main/java/net/minecraft/server/World.java
index 7f39a321db..c862f36628 100644
--- a/src/main/java/net/minecraft/server/World.java
+++ b/src/main/java/net/minecraft/server/World.java
@@ -657,6 +657,7 @@ public abstract class World implements IEntityAccess, GeneratorAccess, IIBlockAc
if (blockposition.getY() >= 256) {
blockposition = new BlockPosition(blockposition.getX(), 255, blockposition.getZ());
}
+ if (!this.isLoaded(blockposition)) return 0; // Paper
return this.getChunkAtWorldCoords(blockposition).a(blockposition, i);
}
--
2.18.0