Paper/Spigot-Server-Patches/0364-Optimize-Light-Recalculations.patch
Aikar af52f138da
Remove light optimization
getting lots of bug reports on light. just going to drop this even though
I really don't see how it could be the source due to my understanding of
the games light engine...

Fixes #1920
2019-03-27 20:46:46 -04:00

53 Zeilen
2.5 KiB
Diff

From 74a659caa33a7279b1be97385ce24e7e55082a65 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Fri, 28 Sep 2018 20:46:29 -0400
Subject: [PATCH] Optimize Light Recalculations
Optimizes to not repeatedly look up the same chunk for
light lookups.
diff --git a/src/main/java/net/minecraft/server/Chunk.java b/src/main/java/net/minecraft/server/Chunk.java
index fb00e7a9c..fabfc315c 100644
--- a/src/main/java/net/minecraft/server/Chunk.java
+++ b/src/main/java/net/minecraft/server/Chunk.java
@@ -353,7 +353,7 @@ public class Chunk implements IChunkAccess {
private void a(int i, int j, int k, int l) {
if (l > k && this.areNeighborsLoaded(1)) { // Paper
for (int i1 = k; i1 < l; ++i1) {
- this.world.c(EnumSkyBlock.SKY, new BlockPosition(i, i1, j));
+ this.world.updateBrightness(EnumSkyBlock.SKY, new BlockPosition(i, i1, j), this); // Paper
}
this.x = true;
diff --git a/src/main/java/net/minecraft/server/World.java b/src/main/java/net/minecraft/server/World.java
index 739fbecac..739448d8b 100644
--- a/src/main/java/net/minecraft/server/World.java
+++ b/src/main/java/net/minecraft/server/World.java
@@ -591,8 +591,9 @@ public abstract class World implements IEntityAccess, GeneratorAccess, IIBlockAc
}
if (this.worldProvider.g()) {
- for (i1 = k; i1 <= l; ++i1) {
- this.c(EnumSkyBlock.SKY, new BlockPosition(i, i1, j));
+ Chunk chunk = getChunkIfLoaded(i >> 4, j >> 4); // Paper
+ for (i1 = k; chunk != null && i1 <= l; ++i1) { // Paper
+ this.updateBrightness(EnumSkyBlock.SKY, new BlockPosition(i, i1, j), chunk); // Paper
}
}
@@ -2228,6 +2229,11 @@ public abstract class World implements IEntityAccess, GeneratorAccess, IIBlockAc
public boolean c(EnumSkyBlock enumskyblock, BlockPosition blockposition) {
// CraftBukkit start - Use neighbor cache instead of looking up
Chunk chunk = this.getChunkIfLoaded(blockposition.getX() >> 4, blockposition.getZ() >> 4);
+ // Paper start - optimize light updates where chunk is known
+ return updateBrightness(enumskyblock, blockposition, chunk);
+ }
+ public boolean updateBrightness(EnumSkyBlock enumskyblock, BlockPosition blockposition, Chunk chunk) {
+ // Paper end
if (chunk == null || !chunk.areNeighborsLoaded(1) /*!this.areChunksLoaded(blockposition, 17, false)*/) {
// CraftBukkit end
return false;
--
2.21.0