Lookup neighbor chunks more efficiently in async lighting

Spigot-Server-Patches/0015-Add-configurable-despawn-distances-for-living-entiti.patch

@@ -1,14 +1,14 @@
-From d2087b8499048bc411ed3d619cb73f344b8fc800 Mon Sep 17 00:00:00 2001
+From f2df5ed23fb9826e49d5e97060ca5c34bdb0a325 Mon Sep 17 00:00:00 2001
 From: Suddenly <suddenly@suddenly.coffee>
 Date: Sat, 7 Mar 2015 21:40:48 -0600
 Subject: [PATCH] Add configurable despawn distances for living entities
 
 
 diff --git a/src/main/java/net/minecraft/server/EntityInsentient.java b/src/main/java/net/minecraft/server/EntityInsentient.java
-index 120e75b..fdca016 100644
+index e83d94f..783e43e 100644
 --- a/src/main/java/net/minecraft/server/EntityInsentient.java
 +++ b/src/main/java/net/minecraft/server/EntityInsentient.java
-@@ -438,13 +438,13 @@ public abstract class EntityInsentient extends EntityLiving {
+@@ -439,13 +439,13 @@ public abstract class EntityInsentient extends EntityLiving {
                  double d2 = entityhuman.locZ - this.locZ;
                  double d3 = d0 * d0 + d1 * d1 + d2 * d2;
  

Spigot-Server-Patches/0019-Player-affects-spawning-API.patch

@@ -1,4 +1,4 @@
-From a77ebbd5e6e27cd51a1062001b905cfc686b90a3 Mon Sep 17 00:00:00 2001
+From aa29950c7eec042e9b0f3c063129a9a5cee85037 Mon Sep 17 00:00:00 2001
 From: Jedediah Smith <jedediah@silencegreys.com>
 Date: Mon, 18 May 2015 17:52:45 -0500
 Subject: [PATCH] Player affects spawning API
@@ -17,10 +17,10 @@ index 88e63f7..2a08976 100644
      // CraftBukkit start
      public boolean fauxSleeping;
 diff --git a/src/main/java/net/minecraft/server/EntityInsentient.java b/src/main/java/net/minecraft/server/EntityInsentient.java
-index 657585b..c4dcad3 100644
+index 783e43e..c684bcd 100644
 --- a/src/main/java/net/minecraft/server/EntityInsentient.java
 +++ b/src/main/java/net/minecraft/server/EntityInsentient.java
-@@ -430,7 +430,7 @@ public abstract class EntityInsentient extends EntityLiving {
+@@ -431,7 +431,7 @@ public abstract class EntityInsentient extends EntityLiving {
          if (this.persistent) {
              this.ticksFarFromPlayer = 0;
          } else {

Spigot-Server-Patches/0041-Configurable-async-light-updates.patch

@@ -1,4 +1,4 @@
-From 8a61969c23ac2a0c49898281c8e0c3a9560b8ab1 Mon Sep 17 00:00:00 2001
+From d07732a069908d93da75d3a248da456f696dd8a8 Mon Sep 17 00:00:00 2001
 From: Byteflux <byte@byteflux.net>
 Date: Wed, 1 Jul 2015 00:18:10 -0700
 Subject: [PATCH] Configurable async light updates
@@ -55,7 +55,7 @@ index 975d666..ae0f276 100644
              if (!this.world.c(i, j)) {
                  // CraftBukkit start
 diff --git a/src/main/java/net/minecraft/server/World.java b/src/main/java/net/minecraft/server/World.java
-index 915a02d..b66dd81 100644
+index 915a02d..e0a7161 100644
 --- a/src/main/java/net/minecraft/server/World.java
 +++ b/src/main/java/net/minecraft/server/World.java
 @@ -18,6 +18,12 @@ import org.bukkit.generator.ChunkGenerator;
@@ -159,9 +159,9 @@ index 915a02d..b66dd81 100644
 +        final List<Chunk> neighbors = new ArrayList<Chunk>();
 +        for (int cx = (x >> 4) - 1; cx <= (x >> 4) + 1; ++cx) {
 +            for (int cz = (z >> 4) - 1; cz <= (z >> 4) + 1; ++cz) {
-+                if (this.chunkProvider.isChunkLoaded(cx, cz)) {
-+                    Chunk neighbor = this.getChunkAt(cx, cz);
-+                    if (neighbor != chunk) {
++                if (cx != x >> 4 && cz != z >> 4) {
++                    Chunk neighbor = this.getChunkIfLoaded(cx, cz);
++                    if (neighbor != null) {
 +                        neighbor.pendingLightUpdates.incrementAndGet();
 +                        neighbor.lightUpdateTime = chunk.world.getTime();
 +                        neighbors.add(neighbor);