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

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From 745b9a840a5cd1abf190a93a673f174d0c39aa3b 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 207f53a9c3..b8fcfb6092 100644
--- a/src/main/java/net/minecraft/server/World.java
+++ b/src/main/java/net/minecraft/server/World.java
@@ -663,6 +663,7 @@ 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);
}
--
2.19.0