Paper/Spigot-Server-Patches/0028-Lighting-Queue.patch

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From b85bbfb42e8b12aa8e73894b0ad478c734d12f1d Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Wed, 2 Mar 2016 00:52:31 -0600
Subject: [PATCH] Lighting Queue
2016-07-16 00:36:53 +02:00
This provides option to queue lighting updates to ensure they do not cause the server lag
diff --git a/src/main/java/co/aikar/timings/WorldTimingsHandler.java b/src/main/java/co/aikar/timings/WorldTimingsHandler.java
index 145cb274b0..eff9dcf54f 100644
--- a/src/main/java/co/aikar/timings/WorldTimingsHandler.java
+++ b/src/main/java/co/aikar/timings/WorldTimingsHandler.java
@@ -50,6 +50,8 @@ public class WorldTimingsHandler {
2017-08-12 23:32:01 +02:00
public final Timing worldSaveLevel;
public final Timing chunkSaveData;
+ public final Timing lightingQueueTimer;
+
public WorldTimingsHandler(World server) {
String name = server.worldData.getName() +" - ";
@@ -96,6 +98,8 @@ public class WorldTimingsHandler {
tracker2 = Timings.ofSafe(name + "tracker stage 2");
doTick = Timings.ofSafe(name + "doTick");
tickEntities = Timings.ofSafe(name + "tickEntities");
+
+ lightingQueueTimer = Timings.ofSafe(name + "Lighting Queue");
}
public static Timing getTickList(WorldServer worldserver, String timingsType) {
diff --git a/src/main/java/com/destroystokyo/paper/PaperConfig.java b/src/main/java/com/destroystokyo/paper/PaperConfig.java
index 7691409f6c..cfcc244672 100644
--- a/src/main/java/com/destroystokyo/paper/PaperConfig.java
+++ b/src/main/java/com/destroystokyo/paper/PaperConfig.java
@@ -191,6 +191,13 @@ public class PaperConfig {
return config.getString(path, config.getString(path));
}
+ public static int maxTickMsLostLightQueue;
+ private static void lightQueue() {
+ int badSetting = config.getInt("queue-light-updates-max-loss", 10);
+ config.set("queue-light-updates-max-loss", null);
+ maxTickMsLostLightQueue = getInt("settings.queue-light-updates-max-loss", badSetting);
+ }
+
private static void timings() {
boolean timings = getBoolean("timings.enabled", true);
boolean verboseTimings = getBoolean("timings.verbose", true);
diff --git a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
index a797a57671..59d82fa4fb 100644
--- a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
+++ b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
@@ -139,4 +139,12 @@ public class PaperWorldConfig {
}
}
}
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+
+ public boolean queueLightUpdates;
+ private void queueLightUpdates() {
+ queueLightUpdates = getBoolean("queue-light-updates", false);
+ log("Lighting Queue enabled: " + queueLightUpdates);
+ log("Warning: This feature may help reduce TPS loss from light, but comes at the cost of buggy light data");
+ log("We are working to improve this feature.");
+ }
}
diff --git a/src/main/java/net/minecraft/server/Chunk.java b/src/main/java/net/minecraft/server/Chunk.java
index e15ed21f67..a9aa13fbf8 100644
--- a/src/main/java/net/minecraft/server/Chunk.java
+++ b/src/main/java/net/minecraft/server/Chunk.java
Updated Upstream (Bukkit/CraftBukkit/Spigot) Upstream has released updates that appears to apply and compile correctly. This update has not been tested by PaperMC and as with ANY update, please do your own testing Warning: this commit contains more mapping changes from upstream, As always, ensure that you have working backups and test this build before deployment; Developers working on paper will, yet again, need to delete their work/Minecraft/1.13.2 folder Bukkit Changes: 7fca5fd4 SPIGOT-4558: Preserve user order in the face of copied defaults in configurations 15c9b1eb Ignore spurious slot IDs sent by client, e.g. in enchanting tables 5d2a10c5 SPIGOT-3747: Add API for force loaded chunks d6dd2bb3 SPIGOT-3538: Add getHitBlockFace for ProjectileHitEvent 771db4aa SPIGOT-794: Call EntityPlaceEvent for Minecart placement 55462509 Add InventoryView#getSlotType 2f3ce5b6 Remove EntityTransformEvent and CustomItemTagContainer from draft API f04ad7b6 Make ProjectileLaunchEvent extend EntitySpawnEvent ccb85808 Define EntitySpawnEvent b8cc3ebe Add PlayerItemDamageEvent 184a495d Ease ClassLoader Deadlocks Where Possible 11ac4728 Expand Boolean Prompt Values in Conversation API aae62d51 Added getAllSessionData() to the Conversation API. 9290ff91 Add InventoryView#getInventory API 995e530f Add API to get / set base arrow damage CraftBukkit Changes: c4a67eed SPIGOT-4556: Fix plugins closing inventory during drop events 5be2ddcb Replace version constants with methods to prevent compiler inlining a5b9c7b3 Use API method to create offset command completions 2bc7d1df SPIGOT-3747: Add API for force loaded chunks a408f375 SPIGOT-3538: Add getHitBlockFace for ProjectileHitEvent b54b9409 SPIGOT-2864: Make Arrow / Item setTicksLived behave like FallingBlock 79ded7a8 SPIGOT-1811: Death message not shown on respawn screen b4a4f15d SPIGOT-943: InventoryCloseEvent called on death regardless of open inventory 0afed592 SPIGOT-794: Call EntityPlaceEvent for Minecart placement 2b2d084a Add InventoryView#getSlotType 01a9959a Do not use deprecated ItemSpawnEvent constructor 9642498d SPIGOT-4547: Call EntitySpawnEvent as general spawn fallback event 963f4a5f Add PlayerItemDamageEvent 63db0445 Add API to get / set base arrow damage 531c25d7 Add CraftMagicNumbers.MAPPINGS_VERSION for use by NMS plugins d05c8b14 Mappings Update bd36e200 SPIGOT-4551: Ignore invalid attribute modifier slots Spigot Changes: 518206a1 Remove redundant trove depend 1959ad21 MC-11211,SPIGOT-4552: Fix placing double slabs at y = 255 29ab5e43 SPIGOT-3661: Allow arguments in restart-script 7cc46316 SPIGOT-852: Growth modifiers for beetroots, potatoes, carrots 82e117e1 Squelch "fatal: Resolve operation not in progress" message 0a1a68e7 Mappings Update & Patch Rebuild
2019-01-01 04:15:55 +01:00
@@ -94,6 +94,7 @@ public class Chunk implements IChunkAccess {
return removed;
}
}
+ final PaperLightingQueue.LightingQueue lightingQueue = new PaperLightingQueue.LightingQueue(this);
// Paper end
public boolean areNeighborsLoaded(final int radius) {
switch (radius) {
Updated Upstream (Bukkit/CraftBukkit/Spigot) Upstream has released updates that appears to apply and compile correctly. This update has not been tested by PaperMC and as with ANY update, please do your own testing Warning: this commit contains more mapping changes from upstream, As always, ensure that you have working backups and test this build before deployment; Developers working on paper will, yet again, need to delete their work/Minecraft/1.13.2 folder Bukkit Changes: 7fca5fd4 SPIGOT-4558: Preserve user order in the face of copied defaults in configurations 15c9b1eb Ignore spurious slot IDs sent by client, e.g. in enchanting tables 5d2a10c5 SPIGOT-3747: Add API for force loaded chunks d6dd2bb3 SPIGOT-3538: Add getHitBlockFace for ProjectileHitEvent 771db4aa SPIGOT-794: Call EntityPlaceEvent for Minecart placement 55462509 Add InventoryView#getSlotType 2f3ce5b6 Remove EntityTransformEvent and CustomItemTagContainer from draft API f04ad7b6 Make ProjectileLaunchEvent extend EntitySpawnEvent ccb85808 Define EntitySpawnEvent b8cc3ebe Add PlayerItemDamageEvent 184a495d Ease ClassLoader Deadlocks Where Possible 11ac4728 Expand Boolean Prompt Values in Conversation API aae62d51 Added getAllSessionData() to the Conversation API. 9290ff91 Add InventoryView#getInventory API 995e530f Add API to get / set base arrow damage CraftBukkit Changes: c4a67eed SPIGOT-4556: Fix plugins closing inventory during drop events 5be2ddcb Replace version constants with methods to prevent compiler inlining a5b9c7b3 Use API method to create offset command completions 2bc7d1df SPIGOT-3747: Add API for force loaded chunks a408f375 SPIGOT-3538: Add getHitBlockFace for ProjectileHitEvent b54b9409 SPIGOT-2864: Make Arrow / Item setTicksLived behave like FallingBlock 79ded7a8 SPIGOT-1811: Death message not shown on respawn screen b4a4f15d SPIGOT-943: InventoryCloseEvent called on death regardless of open inventory 0afed592 SPIGOT-794: Call EntityPlaceEvent for Minecart placement 2b2d084a Add InventoryView#getSlotType 01a9959a Do not use deprecated ItemSpawnEvent constructor 9642498d SPIGOT-4547: Call EntitySpawnEvent as general spawn fallback event 963f4a5f Add PlayerItemDamageEvent 63db0445 Add API to get / set base arrow damage 531c25d7 Add CraftMagicNumbers.MAPPINGS_VERSION for use by NMS plugins d05c8b14 Mappings Update bd36e200 SPIGOT-4551: Ignore invalid attribute modifier slots Spigot Changes: 518206a1 Remove redundant trove depend 1959ad21 MC-11211,SPIGOT-4552: Fix placing double slabs at y = 255 29ab5e43 SPIGOT-3661: Allow arguments in restart-script 7cc46316 SPIGOT-852: Growth modifiers for beetroots, potatoes, carrots 82e117e1 Squelch "fatal: Resolve operation not in progress" message 0a1a68e7 Mappings Update & Patch Rebuild
2019-01-01 04:15:55 +01:00
@@ -284,7 +285,7 @@ public class Chunk implements IChunkAccess {
private void g(boolean flag) {
this.world.methodProfiler.enter("recheckGaps");
- if (this.world.areChunksLoaded(new BlockPosition(this.locX * 16 + 8, 0, this.locZ * 16 + 8), 16)) {
+ if (this.areNeighborsLoaded(1)) { // Paper
for (int i = 0; i < 16; ++i) {
for (int j = 0; j < 16; ++j) {
if (this.g[i + j * 16]) {
Updated Upstream (Bukkit/CraftBukkit/Spigot) Upstream has released updates that appears to apply and compile correctly. This update has not been tested by PaperMC and as with ANY update, please do your own testing Warning: this commit contains more mapping changes from upstream, As always, ensure that you have working backups and test this build before deployment; Developers working on paper will, yet again, need to delete their work/Minecraft/1.13.2 folder Bukkit Changes: 7fca5fd4 SPIGOT-4558: Preserve user order in the face of copied defaults in configurations 15c9b1eb Ignore spurious slot IDs sent by client, e.g. in enchanting tables 5d2a10c5 SPIGOT-3747: Add API for force loaded chunks d6dd2bb3 SPIGOT-3538: Add getHitBlockFace for ProjectileHitEvent 771db4aa SPIGOT-794: Call EntityPlaceEvent for Minecart placement 55462509 Add InventoryView#getSlotType 2f3ce5b6 Remove EntityTransformEvent and CustomItemTagContainer from draft API f04ad7b6 Make ProjectileLaunchEvent extend EntitySpawnEvent ccb85808 Define EntitySpawnEvent b8cc3ebe Add PlayerItemDamageEvent 184a495d Ease ClassLoader Deadlocks Where Possible 11ac4728 Expand Boolean Prompt Values in Conversation API aae62d51 Added getAllSessionData() to the Conversation API. 9290ff91 Add InventoryView#getInventory API 995e530f Add API to get / set base arrow damage CraftBukkit Changes: c4a67eed SPIGOT-4556: Fix plugins closing inventory during drop events 5be2ddcb Replace version constants with methods to prevent compiler inlining a5b9c7b3 Use API method to create offset command completions 2bc7d1df SPIGOT-3747: Add API for force loaded chunks a408f375 SPIGOT-3538: Add getHitBlockFace for ProjectileHitEvent b54b9409 SPIGOT-2864: Make Arrow / Item setTicksLived behave like FallingBlock 79ded7a8 SPIGOT-1811: Death message not shown on respawn screen b4a4f15d SPIGOT-943: InventoryCloseEvent called on death regardless of open inventory 0afed592 SPIGOT-794: Call EntityPlaceEvent for Minecart placement 2b2d084a Add InventoryView#getSlotType 01a9959a Do not use deprecated ItemSpawnEvent constructor 9642498d SPIGOT-4547: Call EntitySpawnEvent as general spawn fallback event 963f4a5f Add PlayerItemDamageEvent 63db0445 Add API to get / set base arrow damage 531c25d7 Add CraftMagicNumbers.MAPPINGS_VERSION for use by NMS plugins d05c8b14 Mappings Update bd36e200 SPIGOT-4551: Ignore invalid attribute modifier slots Spigot Changes: 518206a1 Remove redundant trove depend 1959ad21 MC-11211,SPIGOT-4552: Fix placing double slabs at y = 255 29ab5e43 SPIGOT-3661: Allow arguments in restart-script 7cc46316 SPIGOT-852: Growth modifiers for beetroots, potatoes, carrots 82e117e1 Squelch "fatal: Resolve operation not in progress" message 0a1a68e7 Mappings Update & Patch Rebuild
2019-01-01 04:15:55 +01:00
@@ -335,7 +336,7 @@ public class Chunk implements IChunkAccess {
}
private void a(int i, int j, int k, int l) {
- if (l > k && this.world.areChunksLoaded(new BlockPosition(i, 0, j), 16)) {
+ if (l > k && this.areNeighborsLoaded(1)) { // Paper
for (int i1 = k; i1 < l; ++i1) {
this.world.c(EnumSkyBlock.SKY, new BlockPosition(i, i1, j));
}
Updated Upstream (Bukkit/CraftBukkit/Spigot) Upstream has released updates that appears to apply and compile correctly. This update has not been tested by PaperMC and as with ANY update, please do your own testing Warning: this commit contains more mapping changes from upstream, As always, ensure that you have working backups and test this build before deployment; Developers working on paper will, yet again, need to delete their work/Minecraft/1.13.2 folder Bukkit Changes: 7fca5fd4 SPIGOT-4558: Preserve user order in the face of copied defaults in configurations 15c9b1eb Ignore spurious slot IDs sent by client, e.g. in enchanting tables 5d2a10c5 SPIGOT-3747: Add API for force loaded chunks d6dd2bb3 SPIGOT-3538: Add getHitBlockFace for ProjectileHitEvent 771db4aa SPIGOT-794: Call EntityPlaceEvent for Minecart placement 55462509 Add InventoryView#getSlotType 2f3ce5b6 Remove EntityTransformEvent and CustomItemTagContainer from draft API f04ad7b6 Make ProjectileLaunchEvent extend EntitySpawnEvent ccb85808 Define EntitySpawnEvent b8cc3ebe Add PlayerItemDamageEvent 184a495d Ease ClassLoader Deadlocks Where Possible 11ac4728 Expand Boolean Prompt Values in Conversation API aae62d51 Added getAllSessionData() to the Conversation API. 9290ff91 Add InventoryView#getInventory API 995e530f Add API to get / set base arrow damage CraftBukkit Changes: c4a67eed SPIGOT-4556: Fix plugins closing inventory during drop events 5be2ddcb Replace version constants with methods to prevent compiler inlining a5b9c7b3 Use API method to create offset command completions 2bc7d1df SPIGOT-3747: Add API for force loaded chunks a408f375 SPIGOT-3538: Add getHitBlockFace for ProjectileHitEvent b54b9409 SPIGOT-2864: Make Arrow / Item setTicksLived behave like FallingBlock 79ded7a8 SPIGOT-1811: Death message not shown on respawn screen b4a4f15d SPIGOT-943: InventoryCloseEvent called on death regardless of open inventory 0afed592 SPIGOT-794: Call EntityPlaceEvent for Minecart placement 2b2d084a Add InventoryView#getSlotType 01a9959a Do not use deprecated ItemSpawnEvent constructor 9642498d SPIGOT-4547: Call EntitySpawnEvent as general spawn fallback event 963f4a5f Add PlayerItemDamageEvent 63db0445 Add API to get / set base arrow damage 531c25d7 Add CraftMagicNumbers.MAPPINGS_VERSION for use by NMS plugins d05c8b14 Mappings Update bd36e200 SPIGOT-4551: Ignore invalid attribute modifier slots Spigot Changes: 518206a1 Remove redundant trove depend 1959ad21 MC-11211,SPIGOT-4552: Fix placing double slabs at y = 255 29ab5e43 SPIGOT-3661: Allow arguments in restart-script 7cc46316 SPIGOT-852: Growth modifiers for beetroots, potatoes, carrots 82e117e1 Squelch "fatal: Resolve operation not in progress" message 0a1a68e7 Mappings Update & Patch Rebuild
2019-01-01 04:15:55 +01:00
@@ -535,6 +536,7 @@ public class Chunk implements IChunkAccess {
if (flag1) {
this.initLighting();
} else {
+ this.runOrQueueLightUpdate(() -> { // Paper - Queue light update
int i1 = iblockdata.b(this.world, blockposition);
int j1 = iblockdata1.b(this.world, blockposition);
Updated Upstream (Bukkit/CraftBukkit/Spigot) Upstream has released updates that appears to apply and compile correctly. This update has not been tested by PaperMC and as with ANY update, please do your own testing Warning: this commit contains more mapping changes from upstream, As always, ensure that you have working backups and test this build before deployment; Developers working on paper will, yet again, need to delete their work/Minecraft/1.13.2 folder Bukkit Changes: 7fca5fd4 SPIGOT-4558: Preserve user order in the face of copied defaults in configurations 15c9b1eb Ignore spurious slot IDs sent by client, e.g. in enchanting tables 5d2a10c5 SPIGOT-3747: Add API for force loaded chunks d6dd2bb3 SPIGOT-3538: Add getHitBlockFace for ProjectileHitEvent 771db4aa SPIGOT-794: Call EntityPlaceEvent for Minecart placement 55462509 Add InventoryView#getSlotType 2f3ce5b6 Remove EntityTransformEvent and CustomItemTagContainer from draft API f04ad7b6 Make ProjectileLaunchEvent extend EntitySpawnEvent ccb85808 Define EntitySpawnEvent b8cc3ebe Add PlayerItemDamageEvent 184a495d Ease ClassLoader Deadlocks Where Possible 11ac4728 Expand Boolean Prompt Values in Conversation API aae62d51 Added getAllSessionData() to the Conversation API. 9290ff91 Add InventoryView#getInventory API 995e530f Add API to get / set base arrow damage CraftBukkit Changes: c4a67eed SPIGOT-4556: Fix plugins closing inventory during drop events 5be2ddcb Replace version constants with methods to prevent compiler inlining a5b9c7b3 Use API method to create offset command completions 2bc7d1df SPIGOT-3747: Add API for force loaded chunks a408f375 SPIGOT-3538: Add getHitBlockFace for ProjectileHitEvent b54b9409 SPIGOT-2864: Make Arrow / Item setTicksLived behave like FallingBlock 79ded7a8 SPIGOT-1811: Death message not shown on respawn screen b4a4f15d SPIGOT-943: InventoryCloseEvent called on death regardless of open inventory 0afed592 SPIGOT-794: Call EntityPlaceEvent for Minecart placement 2b2d084a Add InventoryView#getSlotType 01a9959a Do not use deprecated ItemSpawnEvent constructor 9642498d SPIGOT-4547: Call EntitySpawnEvent as general spawn fallback event 963f4a5f Add PlayerItemDamageEvent 63db0445 Add API to get / set base arrow damage 531c25d7 Add CraftMagicNumbers.MAPPINGS_VERSION for use by NMS plugins d05c8b14 Mappings Update bd36e200 SPIGOT-4551: Ignore invalid attribute modifier slots Spigot Changes: 518206a1 Remove redundant trove depend 1959ad21 MC-11211,SPIGOT-4552: Fix placing double slabs at y = 255 29ab5e43 SPIGOT-3661: Allow arguments in restart-script 7cc46316 SPIGOT-852: Growth modifiers for beetroots, potatoes, carrots 82e117e1 Squelch "fatal: Resolve operation not in progress" message 0a1a68e7 Mappings Update & Patch Rebuild
2019-01-01 04:15:55 +01:00
@@ -542,6 +544,7 @@ public class Chunk implements IChunkAccess {
if (i1 != j1 && (i1 < j1 || this.getBrightness(EnumSkyBlock.SKY, blockposition) > 0 || this.getBrightness(EnumSkyBlock.BLOCK, blockposition) > 0)) {
this.c(i, k);
}
+ }); // Paper
}
TileEntity tileentity;
@@ -1358,6 +1361,16 @@ public class Chunk implements IChunkAccess {
return this.D == 8;
}
+ // Paper start
+ public void runOrQueueLightUpdate(Runnable runnable) {
+ if (this.world.paperConfig.queueLightUpdates) {
+ lightingQueue.add(runnable);
+ } else {
+ runnable.run();
+ }
+ }
+ // Paper end
+
public static enum EnumTileEntityState {
IMMEDIATE, QUEUED, CHECK;
diff --git a/src/main/java/net/minecraft/server/ChunkProviderServer.java b/src/main/java/net/minecraft/server/ChunkProviderServer.java
index eb83e20d50..c2ecc034e8 100644
--- a/src/main/java/net/minecraft/server/ChunkProviderServer.java
+++ b/src/main/java/net/minecraft/server/ChunkProviderServer.java
@@ -313,6 +313,7 @@ public class ChunkProviderServer implements IChunkProvider {
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return false;
}
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save = event.isSaveChunk();
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+ chunk.lightingQueue.processUnload(); // Paper
2016-06-23 04:18:41 +02:00
// Update neighbor counts
for (int x = -2; x < 3; x++) {
diff --git a/src/main/java/net/minecraft/server/MinecraftServer.java b/src/main/java/net/minecraft/server/MinecraftServer.java
index 7ca7b9f3ac..00f1c36e99 100644
--- a/src/main/java/net/minecraft/server/MinecraftServer.java
+++ b/src/main/java/net/minecraft/server/MinecraftServer.java
@@ -890,7 +890,7 @@ public abstract class MinecraftServer implements IAsyncTaskHandler, IMojangStati
protected void a(BooleanSupplier booleansupplier) {
co.aikar.timings.TimingsManager.FULL_SERVER_TICK.startTiming(); // Paper
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this.slackActivityAccountant.tickStarted(); // Spigot
- long i = SystemUtils.getMonotonicNanos();
+ long i = SystemUtils.getMonotonicNanos(); long startTime = i; // Paper
++this.ticks;
if (this.S) {
@@ -948,6 +948,7 @@ public abstract class MinecraftServer implements IAsyncTaskHandler, IMojangStati
this.methodProfiler.exit();
this.methodProfiler.exit();
org.spigotmc.WatchdogThread.tick(); // Spigot
+ PaperLightingQueue.processQueue(startTime); // Paper
this.slackActivityAccountant.tickEnded(l); // Spigot
co.aikar.timings.TimingsManager.FULL_SERVER_TICK.stopTiming(); // Paper
}
diff --git a/src/main/java/net/minecraft/server/PaperLightingQueue.java b/src/main/java/net/minecraft/server/PaperLightingQueue.java
new file mode 100644
index 0000000000..9783f3a0d9
--- /dev/null
+++ b/src/main/java/net/minecraft/server/PaperLightingQueue.java
@@ -0,0 +1,98 @@
+package net.minecraft.server;
+
+import co.aikar.timings.Timing;
+import com.destroystokyo.paper.PaperConfig;
+import it.unimi.dsi.fastutil.objects.ObjectCollection;
+
+import java.util.ArrayDeque;
+
+class PaperLightingQueue {
+ private static final long MAX_TIME = (long) (1000000 * (50 + PaperConfig.maxTickMsLostLightQueue));
+
+ static void processQueue(long curTime) {
+ final long startTime = System.nanoTime();
+ final long maxTickTime = MAX_TIME - (startTime - curTime);
+
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+ if (maxTickTime <= 0) {
+ return;
+ }
+
+ START:
+ for (World world : MinecraftServer.getServer().getWorlds()) {
+ if (!world.paperConfig.queueLightUpdates) {
+ continue;
+ }
+
+ ObjectCollection<Chunk> loadedChunks = ((WorldServer) world).getChunkProvider().chunks.values();
+ for (Chunk chunk : loadedChunks.toArray(new Chunk[0])) {
+ if (chunk.lightingQueue.processQueue(startTime, maxTickTime)) {
+ break START;
+ }
+ }
+ }
+ }
+
+ static class LightingQueue extends ArrayDeque<Runnable> {
+ final private Chunk chunk;
+
+ LightingQueue(Chunk chunk) {
+ super();
+ this.chunk = chunk;
+ }
+
+ /**
+ * Processes the lighting queue for this chunk
+ *
+ * @param startTime If start Time is 0, we will not limit execution time
+ * @param maxTickTime Maximum time to spend processing lighting updates
+ * @return true to abort processing furthur lighting updates
+ */
+ private boolean processQueue(long startTime, long maxTickTime) {
+ if (this.isEmpty()) {
+ return false;
+ }
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+ if (isOutOfTime(maxTickTime, startTime)) {
+ return true;
+ }
+ try (Timing ignored = chunk.world.timings.lightingQueueTimer.startTiming()) {
+ Runnable lightUpdate;
+ while ((lightUpdate = this.poll()) != null) {
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+ lightUpdate.run();
+ if (isOutOfTime(maxTickTime, startTime)) {
+ return true;
+ }
+ }
+ }
+
+ return false;
+ }
+
+ /**
+ * Flushes lighting updates to unload the chunk
+ */
+ void processUnload() {
+ if (!chunk.world.paperConfig.queueLightUpdates) {
+ return;
+ }
+ processQueue(0, 0); // No timeout
+
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+ final int radius = 1;
+ for (int x = chunk.locX - radius; x <= chunk.locX + radius; ++x) {
+ for (int z = chunk.locZ - radius; z <= chunk.locZ + radius; ++z) {
+ if (x == chunk.locX && z == chunk.locZ) {
+ continue;
+ }
+
+ Chunk neighbor = chunk.world.getChunkIfLoaded(x, z);
+ if (neighbor != null) {
+ neighbor.lightingQueue.processQueue(0, 0); // No timeout
+ }
+ }
+ }
+ }
+ }
+
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+ private static boolean isOutOfTime(long maxTickTime, long startTime) {
+ return startTime > 0 && System.nanoTime() - startTime > maxTickTime;
+ }
+}
diff --git a/src/main/java/net/minecraft/server/World.java b/src/main/java/net/minecraft/server/World.java
index b10e4c409d..f3755fcfbe 100644
--- a/src/main/java/net/minecraft/server/World.java
+++ b/src/main/java/net/minecraft/server/World.java
@@ -329,7 +329,7 @@ public abstract class World implements IEntityAccess, GeneratorAccess, IIBlockAc
if (iblockdata2.b(this, blockposition) != iblockdata1.b(this, blockposition) || iblockdata2.e() != iblockdata1.e()) {
this.methodProfiler.enter("checkLight");
- this.r(blockposition);
+ chunk.runOrQueueLightUpdate(() -> this.r(blockposition)); // Paper - Queue light update
this.methodProfiler.exit();
}
--
2.21.0