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Paper/Spigot-Server-Patches/0116-Do-not-load-chunks-for-light-checks.patch

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Refactor Lighting Queue System may help #284 Cleans up the lighting queue system, reducing diff and improving implementation. We no longer stop chunk unloads due to lighting updates, and instead simply flush the lighting queue. The cost of forcing the chunk (and its neighbors!) to stay loaded waiting for its lighting work to finish is much greater than simply taking the hit and doing the work. This change also helps reduce the diff and avoid bugs with missed diffs by removing duplicated logic. Also switches to a more effecient data structure (ArrayDeque instead of LinkedList) for the queue itself.
2016-05-16 00:48:39 +02:00
From c0da998748217fabcbbea1ae21ca614b18409710 Mon Sep 17 00:00:00 2001
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.
2016-04-01 01:29:06 +02:00
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
Refactor Lighting Queue System may help #284 Cleans up the lighting queue system, reducing diff and improving implementation. We no longer stop chunk unloads due to lighting updates, and instead simply flush the lighting queue. The cost of forcing the chunk (and its neighbors!) to stay loaded waiting for its lighting work to finish is much greater than simply taking the hit and doing the work. This change also helps reduce the diff and avoid bugs with missed diffs by removing duplicated logic. Also switches to a more effecient data structure (ArrayDeque instead of LinkedList) for the queue itself.
2016-05-16 00:48:39 +02:00
index 095d4b2..5223785 100644
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.
2016-04-01 01:29:06 +02:00
--- a/src/main/java/net/minecraft/server/World.java
+++ b/src/main/java/net/minecraft/server/World.java
Refactor Lighting Queue System may help #284 Cleans up the lighting queue system, reducing diff and improving implementation. We no longer stop chunk unloads due to lighting updates, and instead simply flush the lighting queue. The cost of forcing the chunk (and its neighbors!) to stay loaded waiting for its lighting work to finish is much greater than simply taking the hit and doing the work. This change also helps reduce the diff and avoid bugs with missed diffs by removing duplicated logic. Also switches to a more effecient data structure (ArrayDeque instead of LinkedList) for the queue itself.
2016-05-16 00:48:39 +02:00
@@ -707,6 +707,7 @@ public abstract class World implements IBlockAccess {
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.
2016-04-01 01:29:06 +02:00
if (blockposition.getY() >= 256) {
blockposition = new BlockPosition(blockposition.getX(), 255, blockposition.getZ());
}
+ if (!this.isLoaded(blockposition)) return 0; // Paper
Chunk chunk = this.getChunkAtWorldCoords(blockposition);
--
Paper 1.9.4 Update
2016-05-12 04:07:46 +02:00
2.8.2
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.
2016-04-01 01:29:06 +02:00
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