240 Zeilen
9.7 KiB
Diff
240 Zeilen
9.7 KiB
Diff
From a9bed340a412f9d38ba5c842931de0a0f778f417 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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This provides option to queue lighting updates to ensure they do not cause the server lag
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diff --git a/src/main/java/co/aikar/timings/WorldTimingsHandler.java b/src/main/java/co/aikar/timings/WorldTimingsHandler.java
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index 741da72..8b3aa17 100644
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--- a/src/main/java/co/aikar/timings/WorldTimingsHandler.java
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+++ b/src/main/java/co/aikar/timings/WorldTimingsHandler.java
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@@ -42,6 +42,8 @@ public class WorldTimingsHandler {
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public final Timing syncChunkLoadTileTicksTimer;
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public final Timing syncChunkLoadPostTimer;
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+ public final Timing lightingQueueTimer;
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+
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public WorldTimingsHandler(World server) {
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String name = server.worldData.getName() +" - ";
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@@ -81,5 +83,7 @@ public class WorldTimingsHandler {
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tracker2 = Timings.ofSafe(name + "tracker stage 2");
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doTick = Timings.ofSafe(name + "doTick");
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tickEntities = Timings.ofSafe(name + "tickEntities");
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+
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+ lightingQueueTimer = Timings.ofSafe(name + "Lighting Queue");
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}
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}
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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 d78b688..158db3a 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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@@ -158,4 +158,10 @@ public class PaperWorldConfig {
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netherVoidTopDamage = getBoolean( "nether-ceiling-void-damage", false );
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log("Top of the nether void damage: " + netherVoidTopDamage);
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}
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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 c051c77..770da2b 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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@@ -33,6 +33,7 @@ public class Chunk {
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private boolean m;
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public final Map<BlockPosition, TileEntity> tileEntities;
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public final List<Entity>[] entitySlices; // Spigot
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+ final PaperLightingQueue.LightingQueue lightingQueue = new PaperLightingQueue.LightingQueue(this); // Paper
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private boolean done;
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private boolean lit;
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private boolean r;
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@@ -227,6 +228,13 @@ 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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+ lightingQueue.add(() -> recheckGaps(flag)); // Paper - Queue light update
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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.i[i + j * 16]) {
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@@ -479,7 +487,7 @@ 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 { lightingQueue.add(() -> { // Paper - Queue light update
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int j1 = iblockdata.c();
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int k1 = iblockdata1.c();
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@@ -494,6 +502,7 @@ 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
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}
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TileEntity tileentity;
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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 dc6ec1e..e5ee5c6 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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@@ -281,6 +281,7 @@ public class ChunkProviderServer implements IChunkProvider {
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if (event.isCancelled()) {
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continue;
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}
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+ chunk.lightingQueue.processUnload(); // Paper
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// Update neighbor counts
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for (int x = -2; x < 3; x++) {
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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 ef0e063..71710b9 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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@@ -713,7 +713,7 @@ public abstract class MinecraftServer implements Runnable, ICommandListener, IAs
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protected void C() throws ExceptionWorldConflict { // CraftBukkit - added throws
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co.aikar.timings.TimingsManager.FULL_SERVER_TICK.startTiming(); // Paper
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- long i = System.nanoTime();
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+ long i = System.nanoTime(); long startTime = i; // Paper
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++this.ticks;
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if (this.S) {
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@@ -773,6 +773,7 @@ public abstract class MinecraftServer implements Runnable, ICommandListener, IAs
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this.methodProfiler.b();
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org.spigotmc.WatchdogThread.tick(); // Spigot
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+ PaperLightingQueue.processQueue(startTime); // Paper
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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/PaperLightingQueue.java b/src/main/java/net/minecraft/server/PaperLightingQueue.java
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new file mode 100644
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index 0000000..2350fe3
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--- /dev/null
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+++ b/src/main/java/net/minecraft/server/PaperLightingQueue.java
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@@ -0,0 +1,98 @@
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+package net.minecraft.server;
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+
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+import co.aikar.timings.Timing;
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+import java.util.ArrayDeque;
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+
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+class PaperLightingQueue {
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+ private static final long MAX_TIME = (long) (1000000000 / 20 * .95);
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+ private static int updatesThisTick;
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+
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+
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+ static void processQueue(long curTime) {
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+ updatesThisTick = 0;
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+
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+ final long startTime = System.nanoTime();
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+ final long maxTickTime = MAX_TIME - (startTime - curTime);
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+
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+ START:
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+ for (World world : MinecraftServer.getServer().worlds) {
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+ if (!world.paperConfig.queueLightUpdates) {
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+ continue;
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+ }
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+
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+ for (Chunk chunk : ((WorldServer) world).getChunkProviderServer().chunks.values()) {
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+ if (chunk.lightingQueue.processQueue(startTime, maxTickTime)) {
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+ break START;
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+ }
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+ }
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+ }
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+ }
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+
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+ static class LightingQueue extends ArrayDeque<Runnable> {
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+ final private Chunk chunk;
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+
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+ LightingQueue(Chunk chunk) {
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+ super();
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+ this.chunk = chunk;
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+ }
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+
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+ @Override
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+ public boolean add(Runnable runnable) {
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+ if (chunk.world.paperConfig.queueLightUpdates) {
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+ return super.add(runnable);
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+ }
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+ runnable.run();
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+ return true;
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+ }
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+
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+ /**
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+ * Processes the lighting queue for this chunk
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+ *
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+ * @param startTime If start Time is 0, we will not limit execution time
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+ * @param maxTickTime Maximum time to spend processing lighting updates
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+ * @return true to abort processing furthur lighting updates
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+ */
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+ private boolean processQueue(long startTime, long maxTickTime) {
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+ if (this.isEmpty()) {
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+ return false;
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+ }
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+ try (Timing ignored = chunk.world.timings.lightingQueueTimer.startTiming()) {
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+ Runnable lightUpdate;
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+ while ((lightUpdate = this.poll()) != null) {
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+ lightUpdate.run();
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+ if (startTime > 0 && ++PaperLightingQueue.updatesThisTick % 10 == 0 && PaperLightingQueue.updatesThisTick > 10) {
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+ if (System.nanoTime() - startTime > maxTickTime) {
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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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+
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+ /**
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+ * Flushes lighting updates to unload the chunk
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+ */
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+ void processUnload() {
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+ if (!chunk.world.paperConfig.queueLightUpdates) {
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+ return;
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+ }
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+ processQueue(0, 0); // No timeout
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+
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+ final int radius = 1; // TODO: bitflip, why should this ever be 2?
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+ for (int x = chunk.locX - radius; x <= chunk.locX + radius; ++x) {
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+ for (int z = chunk.locZ - radius; z <= chunk.locZ + radius; ++z) {
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+ if (x == chunk.locX && z == chunk.locZ) {
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+ continue;
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+ }
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+
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+ Chunk neighbor = MCUtil.getLoadedChunkWithoutMarkingActive(chunk.world, x, z);
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+ if (neighbor != null) {
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+ neighbor.lightingQueue.processQueue(0, 0); // No timeout
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+ }
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+ }
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+ }
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+ }
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+ }
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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 aa2b984..3aea2af 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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@@ -384,7 +384,7 @@ 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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+ chunk.lightingQueue.add(() -> this.w(blockposition)); // Paper - Queue light update
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this.methodProfiler.b();
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}
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--
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2.8.3
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