papermc/Spigot-Server-Patches/0083-Do-not-load-chunks-for-light-checks.patch
Zach Brown 70ce6ce831
Move version command update checking to the implementation
This makes it easier for downstream projects (forks) to replace the
version fetching system with their own. It is as simple as implementing
an interface and overriding the default implementation of
org.bukkit.UnsafeValues#getVersionFetcher()

It also makes it easier for us to organize things like the version
history feature.

Lastly I have updated the paper implementation to check against the site
API rather than against jenkins.
2019-05-27 04:13:41 -05:00

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From 4351b6a0dab9bf16220548ab518e2734eee48cdf 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 7f0a338d6..8ad4fbff2 100644
--- a/src/main/java/net/minecraft/server/World.java
+++ b/src/main/java/net/minecraft/server/World.java
@@ -596,6 +596,7 @@ public abstract class World implements IIBlockAccess, GeneratorAccess, AutoClose
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);
}
--
2.21.0