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papermc/Spigot-Server-Patches/0042-Configurable-async-light-updates.patch

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From 5b687e8dda6c3791536ae533422d02ac55ea960f Mon Sep 17 00:00:00 2001
From: Roman Alexander <romanalexander@users.noreply.github.com>
Date: Wed, 25 Mar 2015 20:27:13 -0500
Subject: [PATCH] Configurable async light updates
diff --git a/src/main/java/net/minecraft/server/World.java b/src/main/java/net/minecraft/server/World.java
index 51e59c0..86913f4 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;
import java.util.*;
import java.util.concurrent.Callable;
+// PaperSpigot start
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
+import com.google.common.util.concurrent.ThreadFactoryBuilder;
+// PaperSpigot end
+
// CraftBukkit start
// CraftBukkit end
@@ -714,22 +720,26 @@ public abstract class World implements IBlockAccess {
blockposition = new BlockPosition(blockposition.getX(), 0, blockposition.getZ());
}
+ // PaperSpigot start - configurable async light updates
if (!this.isValidLocation(blockposition)) {
return enumskyblock.c;
- } else if (!this.isLoaded(blockposition)) {
+ }
+
+ Chunk chunk = this.getChunkIfLoaded(blockposition.getX() >> 4, blockposition.getZ() >> 4);
+ if (chunk == null) {
return enumskyblock.c;
} else {
- Chunk chunk = this.getChunkAtWorldCoords(blockposition);
-
+ // PaperSpigot end
return chunk.getBrightness(enumskyblock, blockposition);
}
}
public void a(EnumSkyBlock enumskyblock, BlockPosition blockposition, int i) {
if (this.isValidLocation(blockposition)) {
- if (this.isLoaded(blockposition)) {
- Chunk chunk = this.getChunkAtWorldCoords(blockposition);
-
+ // PaperSpigot start - Configurable async light updates
+ Chunk chunk = this.getChunkIfLoaded(blockposition.getX() >> 4, blockposition.getZ() >> 4);
+ if (chunk != null) {
+ // PaperSpigot end
chunk.a(enumskyblock, blockposition, i);
this.n(blockposition);
}
@@ -2318,10 +2328,13 @@ public abstract class World implements IBlockAccess {
}
private int a(BlockPosition blockposition, EnumSkyBlock enumskyblock) {
- if (enumskyblock == EnumSkyBlock.SKY && this.i(blockposition)) {
+ // PaperSpigot start - Configurable async light updates
+ Chunk chunk = this.getChunkIfLoaded(blockposition.getX() >> 4, blockposition.getZ() >> 4);
+ if (chunk == null || (enumskyblock == EnumSkyBlock.SKY && chunk.d(blockposition))) {
+ // PaperSpigot end
return 15;
} else {
- Block block = this.getType(blockposition).getBlock();
+ Block block = chunk.getType(blockposition); // PaperSpigot - Configurable async light updates
int i = enumskyblock == EnumSkyBlock.SKY ? 0 : block.r();
int j = block.p();
@@ -2360,131 +2373,154 @@ public abstract class World implements IBlockAccess {
}
}
- 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);
- if (chunk == null || !chunk.areNeighborsLoaded(1) /*!this.areChunksLoaded(blockposition, 17, false)*/) {
- // CraftBukkit end
- return false;
- } else {
- int i = 0;
- int j = 0;
-
- this.methodProfiler.a("getBrightness");
- int k = this.b(enumskyblock, blockposition);
- int l = this.a(blockposition, enumskyblock);
- int i1 = blockposition.getX();
- int j1 = blockposition.getY();
- int k1 = blockposition.getZ();
- int l1;
- int i2;
- int j2;
- int k2;
- int l2;
- int i3;
- int j3;
- int k3;
-
- if (l > k) {
- this.H[j++] = 133152;
- } else if (l < k) {
- this.H[j++] = 133152 | k << 18;
-
- while (i < j) {
- l1 = this.H[i++];
- i2 = (l1 & 63) - 32 + i1;
- j2 = (l1 >> 6 & 63) - 32 + j1;
- k2 = (l1 >> 12 & 63) - 32 + k1;
- int l3 = l1 >> 18 & 15;
- BlockPosition blockposition1 = new BlockPosition(i2, j2, k2);
-
- l2 = this.b(enumskyblock, blockposition1);
- if (l2 == l3) {
- this.a(enumskyblock, blockposition1, 0);
- if (l3 > 0) {
- i3 = MathHelper.a(i2 - i1);
- j3 = MathHelper.a(j2 - j1);
- k3 = MathHelper.a(k2 - k1);
- if (i3 + j3 + k3 < 17) {
- BlockPosition.MutableBlockPosition blockposition_mutableblockposition = new BlockPosition.MutableBlockPosition();
- EnumDirection[] aenumdirection = EnumDirection.values();
- int i4 = aenumdirection.length;
-
- for (int j4 = 0; j4 < i4; ++j4) {
- EnumDirection enumdirection = aenumdirection[j4];
- int k4 = i2 + enumdirection.getAdjacentX();
- int l4 = j2 + enumdirection.getAdjacentY();
- int i5 = k2 + enumdirection.getAdjacentZ();
-
- blockposition_mutableblockposition.c(k4, l4, i5);
- int j5 = Math.max(1, this.getType(blockposition_mutableblockposition).getBlock().p());
-
- l2 = this.b(enumskyblock, (BlockPosition) blockposition_mutableblockposition);
- if (l2 == l3 - j5 && j < this.H.length) {
- this.H[j++] = k4 - i1 + 32 | l4 - j1 + 32 << 6 | i5 - k1 + 32 << 12 | l3 - j5 << 18;
+ // PaperSpigot start - Configurable async light updates
+ private ExecutorService service = Executors.newSingleThreadExecutor(new ThreadFactoryBuilder().setNameFormat("PaperSpigot - Lighting Thread").build());
+ public boolean c(final EnumSkyBlock enumskyblock, final BlockPosition blockposition) {
+ Callable<Boolean> callable = new Callable<Boolean>() {
+ @Override
+ public Boolean call() throws Exception {
+ // CraftBukkit start - Use neighbor cache instead of looking up
+ Chunk chunk = World.this.getChunkIfLoaded(blockposition.getX() >> 4, blockposition.getZ() >> 4);
+ if (chunk == null || !chunk.areNeighborsLoaded(1) /*!this.areChunksLoaded(blockposition, 17, false)*/) {
+ // CraftBukkit end
+ return false;
+ } else {
+ int i = 0;
+ int j = 0;
+
+ World.this.methodProfiler.a("getBrightness");
+ int k = World.this.b(enumskyblock, blockposition);
+ int l = World.this.a(blockposition, enumskyblock);
+ int i1 = blockposition.getX();
+ int j1 = blockposition.getY();
+ int k1 = blockposition.getZ();
+ int l1;
+ int i2;
+ int j2;
+ int k2;
+ int l2;
+ int i3;
+ int j3;
+ int k3;
+
+ if (l > k) {
+ World.this.H[j++] = 133152;
+ } else if (l < k) {
+ World.this.H[j++] = 133152 | k << 18;
+
+ while (i < j) {
+ l1 = World.this.H[i++];
+ i2 = (l1 & 63) - 32 + i1;
+ j2 = (l1 >> 6 & 63) - 32 + j1;
+ k2 = (l1 >> 12 & 63) - 32 + k1;
+ int l3 = l1 >> 18 & 15;
+ BlockPosition blockposition1 = new BlockPosition(i2, j2, k2);
+
+ l2 = World.this.b(enumskyblock, blockposition1);
+ if (l2 == l3) {
+ World.this.a(enumskyblock, blockposition1, 0);
+ if (l3 > 0) {
+ i3 = MathHelper.a(i2 - i1);
+ j3 = MathHelper.a(j2 - j1);
+ k3 = MathHelper.a(k2 - k1);
+ if (i3 + j3 + k3 < 17) {
+ BlockPosition.MutableBlockPosition blockposition_mutableblockposition = new BlockPosition.MutableBlockPosition();
+ EnumDirection[] aenumdirection = EnumDirection.values();
+ int i4 = aenumdirection.length;
+
+ for (int j4 = 0; j4 < i4; ++j4) {
+ EnumDirection enumdirection = aenumdirection[j4];
+ int k4 = i2 + enumdirection.getAdjacentX();
+ int l4 = j2 + enumdirection.getAdjacentY();
+ int i5 = k2 + enumdirection.getAdjacentZ();
+
+ blockposition_mutableblockposition.c(k4, l4, i5);
+ Chunk lightChunk = World.this.getChunkIfLoaded(blockposition_mutableblockposition.getX() >> 4, blockposition_mutableblockposition.getZ() >> 4);
+ int j5;
+ if (lightChunk != null) {
+ j5 = Math.max(1, lightChunk.getType(blockposition_mutableblockposition).p());
+ } else {
+ j5 = 255;
+ }
+
+ l2 = World.this.b(enumskyblock, (BlockPosition) blockposition_mutableblockposition);
+ if (l2 == l3 - j5 && j < World.this.H.length) {
+ World.this.H[j++] = k4 - i1 + 32 | l4 - j1 + 32 << 6 | i5 - k1 + 32 << 12 | l3 - j5 << 18;
+ }
+ }
}
}
}
}
- }
- }
- i = 0;
- }
+ i = 0;
+ }
- this.methodProfiler.b();
- this.methodProfiler.a("checkedPosition < toCheckCount");
-
- while (i < j) {
- l1 = this.H[i++];
- i2 = (l1 & 63) - 32 + i1;
- j2 = (l1 >> 6 & 63) - 32 + j1;
- k2 = (l1 >> 12 & 63) - 32 + k1;
- BlockPosition blockposition2 = new BlockPosition(i2, j2, k2);
- int k5 = this.b(enumskyblock, blockposition2);
-
- l2 = this.a(blockposition2, enumskyblock);
- if (l2 != k5) {
- this.a(enumskyblock, blockposition2, l2);
- if (l2 > k5) {
- i3 = Math.abs(i2 - i1);
- j3 = Math.abs(j2 - j1);
- k3 = Math.abs(k2 - k1);
- boolean flag = j < this.H.length - 6;
-
- if (i3 + j3 + k3 < 17 && flag) {
- if (this.b(enumskyblock, blockposition2.west()) < l2) {
- this.H[j++] = i2 - 1 - i1 + 32 + (j2 - j1 + 32 << 6) + (k2 - k1 + 32 << 12);
- }
+ World.this.methodProfiler.b();
+ World.this.methodProfiler.a("checkedPosition < toCheckCount");
+
+ while (i < j) {
+ l1 = World.this.H[i++];
+ i2 = (l1 & 63) - 32 + i1;
+ j2 = (l1 >> 6 & 63) - 32 + j1;
+ k2 = (l1 >> 12 & 63) - 32 + k1;
+ BlockPosition blockposition2 = new BlockPosition(i2, j2, k2);
+ int k5 = World.this.b(enumskyblock, blockposition2);
+
+ l2 = World.this.a(blockposition2, enumskyblock);
+ if (l2 != k5) {
+ World.this.a(enumskyblock, blockposition2, l2);
+ if (l2 > k5) {
+ i3 = Math.abs(i2 - i1);
+ j3 = Math.abs(j2 - j1);
+ k3 = Math.abs(k2 - k1);
+ boolean flag = j < World.this.H.length - 6;
+
+ if (i3 + j3 + k3 < 17 && flag) {
+ if (World.this.b(enumskyblock, blockposition2.west()) < l2) {
+ World.this.H[j++] = i2 - 1 - i1 + 32 + (j2 - j1 + 32 << 6) + (k2 - k1 + 32 << 12);
+ }
- if (this.b(enumskyblock, blockposition2.east()) < l2) {
- this.H[j++] = i2 + 1 - i1 + 32 + (j2 - j1 + 32 << 6) + (k2 - k1 + 32 << 12);
- }
+ if (World.this.b(enumskyblock, blockposition2.east()) < l2) {
+ World.this.H[j++] = i2 + 1 - i1 + 32 + (j2 - j1 + 32 << 6) + (k2 - k1 + 32 << 12);
+ }
- if (this.b(enumskyblock, blockposition2.down()) < l2) {
- this.H[j++] = i2 - i1 + 32 + (j2 - 1 - j1 + 32 << 6) + (k2 - k1 + 32 << 12);
- }
+ if (World.this.b(enumskyblock, blockposition2.down()) < l2) {
+ World.this.H[j++] = i2 - i1 + 32 + (j2 - 1 - j1 + 32 << 6) + (k2 - k1 + 32 << 12);
+ }
- if (this.b(enumskyblock, blockposition2.up()) < l2) {
- this.H[j++] = i2 - i1 + 32 + (j2 + 1 - j1 + 32 << 6) + (k2 - k1 + 32 << 12);
- }
+ if (World.this.b(enumskyblock, blockposition2.up()) < l2) {
+ World.this.H[j++] = i2 - i1 + 32 + (j2 + 1 - j1 + 32 << 6) + (k2 - k1 + 32 << 12);
+ }
- if (this.b(enumskyblock, blockposition2.north()) < l2) {
- this.H[j++] = i2 - i1 + 32 + (j2 - j1 + 32 << 6) + (k2 - 1 - k1 + 32 << 12);
- }
+ if (World.this.b(enumskyblock, blockposition2.north()) < l2) {
+ World.this.H[j++] = i2 - i1 + 32 + (j2 - j1 + 32 << 6) + (k2 - 1 - k1 + 32 << 12);
+ }
- if (this.b(enumskyblock, blockposition2.south()) < l2) {
- this.H[j++] = i2 - i1 + 32 + (j2 - j1 + 32 << 6) + (k2 + 1 - k1 + 32 << 12);
+ if (World.this.b(enumskyblock, blockposition2.south()) < l2) {
+ World.this.H[j++] = i2 - i1 + 32 + (j2 - j1 + 32 << 6) + (k2 + 1 - k1 + 32 << 12);
+ }
+ }
}
}
}
+
+ World.this.methodProfiler.b();
+ return true;
}
}
-
- this.methodProfiler.b();
- return true;
+ };
+ if (paperSpigotConfig.useAsyncLighting) {
+ service.submit(callable);
+ } else {
+ try {
+ return callable.call();
+ } catch(Exception ignore) {
+ }
}
+ return true;
}
+ // PaperSpigot end
public boolean a(boolean flag) {
return false;
diff --git a/src/main/java/org/github/paperspigot/PaperSpigotWorldConfig.java b/src/main/java/org/github/paperspigot/PaperSpigotWorldConfig.java
index bcd8b65..fa9ae6c 100644
--- a/src/main/java/org/github/paperspigot/PaperSpigotWorldConfig.java
+++ b/src/main/java/org/github/paperspigot/PaperSpigotWorldConfig.java
@@ -244,4 +244,11 @@ public class PaperSpigotWorldConfig
log( "WorldServer TickNextTick cap set at " + tickNextTickCap );
log( "WorldServer TickNextTickList cap always processes redstone: " + tickNextTickListCapIgnoresRedstone );
}
+
+ public boolean useAsyncLighting;
+ private void useAsyncLighting()
+ {
+ useAsyncLighting = getBoolean( "use-async-lighting", false );
+ log( "World async lighting: " + useAsyncLighting );
+ }
}
--
1.9.5.msysgit.1
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