233 lines
10 KiB
Diff
233 lines
10 KiB
Diff
From fedb4489139be404ed7916f2ea5223241b561187 Mon Sep 17 00:00:00 2001
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From: Byteflux <byte@byteflux.net>
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Date: Wed, 2 Mar 2016 00:52:31 -0600
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Subject: [PATCH] Lighting Queue
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diff --git a/src/main/java/co/aikar/timings/SpigotTimings.java b/src/main/java/co/aikar/timings/SpigotTimings.java
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index 3f4271c..5fdf051 100644
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--- a/src/main/java/co/aikar/timings/SpigotTimings.java
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+++ b/src/main/java/co/aikar/timings/SpigotTimings.java
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@@ -17,6 +17,7 @@ public final class SpigotTimings {
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public static final Timing timeUpdateTimer = Timings.ofSafe("Time Update");
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public static final Timing serverCommandTimer = Timings.ofSafe("Server Command");
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public static final Timing worldSaveTimer = Timings.ofSafe("World Save");
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+ public static final Timing lightingQueueTimer = Timings.ofSafe("Lighting Queue");
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public static final Timing tickEntityTimer = Timings.ofSafe("## tickEntity");
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public static final Timing tickTileEntityTimer = Timings.ofSafe("## tickTileEntity");
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diff --git a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
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index facb98c..e0e9a65 100644
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--- a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
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+++ b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
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@@ -166,4 +166,9 @@ public class PaperWorldConfig {
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}
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+ public boolean queueLightUpdates;
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+ private void queueLightUpdates() {
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+ queueLightUpdates = getBoolean("queue-light-updates", false);
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+ log("Lighting Queue enabled: " + queueLightUpdates);
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+ }
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}
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diff --git a/src/main/java/net/minecraft/server/Chunk.java b/src/main/java/net/minecraft/server/Chunk.java
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index cde4124..3b5e8c2 100644
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--- a/src/main/java/net/minecraft/server/Chunk.java
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+++ b/src/main/java/net/minecraft/server/Chunk.java
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@@ -44,6 +44,7 @@ public class Chunk {
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private int w;
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private ConcurrentLinkedQueue<BlockPosition> x;
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protected gnu.trove.map.hash.TObjectIntHashMap<Class> entityCount = new gnu.trove.map.hash.TObjectIntHashMap<Class>(); // Spigot
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+ public int lightUpdates; // Paper - Number of queued light updates for this chunk
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// CraftBukkit start - Neighbor loaded cache for chunk lighting and entity ticking
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private int neighbors = 0x1 << 12;
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@@ -226,6 +227,22 @@ public class Chunk {
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private void h(boolean flag) {
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this.world.methodProfiler.a("recheckGaps");
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if (this.world.areChunksLoaded(new BlockPosition(this.locX * 16 + 8, 0, this.locZ * 16 + 8), 16)) {
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+ // Paper start - Queue light update
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+ if (!world.paperConfig.queueLightUpdates) {
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+ recheckGaps(flag);
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+ } else {
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+ ++lightUpdates;
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+ world.getServer().getServer().lightingQueue.add(() -> {
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+ recheckGaps(flag);
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+ --lightUpdates;
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+ });
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+ }
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+ }
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+ }
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+
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+ private void recheckGaps(boolean flag) {
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+ if (true) {
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+ // Paper end
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for (int i = 0; i < 16; ++i) {
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for (int j = 0; j < 16; ++j) {
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if (this.h[i + j * 16]) {
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@@ -476,7 +493,7 @@ public class Chunk {
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} else {
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if (flag) {
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this.initLighting();
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- } else {
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+ } else if (!world.paperConfig.queueLightUpdates) { // Paper
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int j1 = iblockdata.c();
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int k1 = iblockdata1.c();
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@@ -491,6 +508,28 @@ public class Chunk {
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if (j1 != k1 && (j1 < k1 || this.getBrightness(EnumSkyBlock.SKY, blockposition) > 0 || this.getBrightness(EnumSkyBlock.BLOCK, blockposition) > 0)) {
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this.d(i, k);
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}
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+ // Paper start - Queue light update
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+ } else {
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+ int j1 = iblockdata.c();
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+ int k1 = iblockdata1.c();
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+
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+ ++lightUpdates;
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+ world.getServer().getServer().lightingQueue.add(() -> {
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+ if (j1 > 0) {
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+ if (j >= i1) {
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+ this.c(i, j + 1, k);
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+ }
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+ } else if (j == i1 - 1) {
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+ this.c(i, j, k);
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+ }
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+
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+ if (j1 != k1 && (j1 < k1 || this.getBrightness(EnumSkyBlock.SKY, blockposition) > 0 || this.getBrightness(EnumSkyBlock.BLOCK, blockposition) > 0)) {
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+ this.d(i, k);
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+ }
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+
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+ --lightUpdates;
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+ });
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+ // Paper end
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}
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TileEntity tileentity;
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@@ -1314,4 +1353,29 @@ public class Chunk {
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private EnumTileEntityState() {}
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}
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+
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+ // Paper start
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+ public boolean hasLightUpdates() {
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+ if (world.paperConfig.queueLightUpdates) {
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+ if (lightUpdates > 0) {
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+ return true;
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+ }
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+
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+ for (int x = locX - 2; x <= locX + 2; ++x) {
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+ for (int z = locZ - 2; z <= locZ + 2; ++z) {
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+ if ((x == 0 && z == 0) || (x == locX && z == locZ)) {
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+ continue;
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+ }
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+
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+ Chunk chunk = world.getChunkIfLoaded(x, z);
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+ if (chunk != null && chunk.lightUpdates > 0) {
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+ return true;
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+ }
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+ }
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+ }
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+ }
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+
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+ return false;
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+ }
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+ // Paper end
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}
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diff --git a/src/main/java/net/minecraft/server/ChunkProviderServer.java b/src/main/java/net/minecraft/server/ChunkProviderServer.java
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index 83857a6..4dd672a 100644
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--- a/src/main/java/net/minecraft/server/ChunkProviderServer.java
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+++ b/src/main/java/net/minecraft/server/ChunkProviderServer.java
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@@ -284,6 +284,7 @@ public class ChunkProviderServer implements IChunkProvider {
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long chunkcoordinates = this.unloadQueue.popFirst();
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Chunk chunk = this.chunks.get(chunkcoordinates);
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if (chunk == null) continue;
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+ if (chunk.hasLightUpdates()) continue; // Paper - Don't unload chunks with pending light updates.
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ChunkUnloadEvent event = new ChunkUnloadEvent(chunk.bukkitChunk);
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server.getPluginManager().callEvent(event);
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diff --git a/src/main/java/net/minecraft/server/MinecraftServer.java b/src/main/java/net/minecraft/server/MinecraftServer.java
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index e9bb02f..d0fd638 100644
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--- a/src/main/java/net/minecraft/server/MinecraftServer.java
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+++ b/src/main/java/net/minecraft/server/MinecraftServer.java
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@@ -47,6 +47,11 @@ import org.bukkit.craftbukkit.CraftServer;
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// CraftBukkit end
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import co.aikar.timings.SpigotTimings; // Paper
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+// Paper start
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+import java.util.LinkedList;
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+import java.util.Queue;
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+// Paper end
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+
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public abstract class MinecraftServer implements Runnable, ICommandListener, IAsyncTaskHandler, IMojangStatistics {
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public static final Logger LOGGER = LogManager.getLogger();
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@@ -113,6 +118,7 @@ public abstract class MinecraftServer implements Runnable, ICommandListener, IAs
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public final Thread primaryThread;
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public java.util.Queue<Runnable> processQueue = new java.util.concurrent.ConcurrentLinkedQueue<Runnable>();
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public int autosavePeriod;
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+ public final Queue<Runnable> lightingQueue = new LinkedList<Runnable>(); // Paper - Queued light updates
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// CraftBukkit end
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public MinecraftServer(OptionSet options, Proxy proxy, DataConverterManager dataconvertermanager, YggdrasilAuthenticationService yggdrasilauthenticationservice, MinecraftSessionService minecraftsessionservice, GameProfileRepository gameprofilerepository, UserCache usercache) {
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@@ -759,6 +765,35 @@ public abstract class MinecraftServer implements Runnable, ICommandListener, IAs
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this.methodProfiler.b();
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this.methodProfiler.b();
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+
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+ // Paper start - Flush light updates
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+ if (!lightingQueue.isEmpty()) {
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+ SpigotTimings.lightingQueueTimer.startTiming();
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+
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+ int updatesThisTick = 0;
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+ long cachedTime = System.currentTimeMillis();
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+ long startTime = cachedTime - (this.h[this.ticks % 100] / 1000000);
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+ int maxTickTimeCap = MathHelper.floor((TICK_TIME / 1000000) * 0.8);
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+ int maxTickTime = Math.max(0, (int) (maxTickTimeCap - (cachedTime - startTime)));
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+ Runnable lightUpdate;
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+
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+ while (maxTickTime > 0 && (lightUpdate = lightingQueue.poll()) != null) {
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+ lightUpdate.run();
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+ if (++updatesThisTick % 10 == 0) {
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+ long currentTime = System.currentTimeMillis();
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+ if (currentTime - cachedTime > maxTickTime) {
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+ break;
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+ }
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+
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+ cachedTime = currentTime;
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+ maxTickTime = Math.max(0, (int) (maxTickTimeCap - (currentTime - startTime)));
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+ }
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+ }
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+
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+ SpigotTimings.lightingQueueTimer.stopTiming();
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+ }
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+ // Paper end
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+
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org.spigotmc.WatchdogThread.tick(); // Spigot
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co.aikar.timings.TimingsManager.FULL_SERVER_TICK.stopTiming(); // Paper
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}
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diff --git a/src/main/java/net/minecraft/server/World.java b/src/main/java/net/minecraft/server/World.java
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index f8746b3..a6d4097 100644
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--- a/src/main/java/net/minecraft/server/World.java
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+++ b/src/main/java/net/minecraft/server/World.java
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@@ -378,7 +378,17 @@ public abstract class World implements IBlockAccess {
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} else {
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if (iblockdata.c() != iblockdata1.c() || iblockdata.d() != iblockdata1.d()) {
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this.methodProfiler.a("checkLight");
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- this.w(blockposition);
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+ // Paper start - Queue light update
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+ if (!paperConfig.queueLightUpdates) {
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+ this.w(blockposition);
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+ } else {
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+ ++chunk.lightUpdates;
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+ getMinecraftServer().lightingQueue.add(() -> {
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+ this.w(blockposition);
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+ --chunk.lightUpdates;
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+ });
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+ }
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+ // Paper end
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this.methodProfiler.b();
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}
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--
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2.7.4
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