Mirror von
https://github.com/PaperMC/Paper.git
synchronisiert 2024-12-16 03:20:07 +01:00
bc127ea819
Upstream has released updates that appear to apply and compile correctly. This update has not been tested by PaperMC and as with ANY update, please do your own testing Bukkit Changes: eec4aab0 SPIGOT-6657: Add getPlayer to SheepDyeWoolEvent 205213c6 SPIGOT-6656: CauldronLevelChangeEvent is not fired correctly when dripstone fills the cauldron CraftBukkit Changes: b8c522d5 SPIGOT-6657: Add getPlayer to SheepDyeWoolEvent f04a77dc SPIGOT-6656: CauldronLevelChangeEvent is not fired correctly when dripstone fills the cauldron d1dbcebc SPIGOT-6653: Canceling snow bucket placement removes snow from bucket 4f34a67b #891: Fix scheduler task ID overflow and duplication issues Spigot Changes: d03d7f12 BUILDTOOLS-604: Rebuild patches
270 Zeilen
14 KiB
Diff
270 Zeilen
14 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Aikar <aikar@aikar.co>
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Date: Thu, 9 Apr 2020 00:09:26 -0400
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Subject: [PATCH] Mid Tick Chunk Tasks - Speed up processing of chunk loads and
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generation
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Credit to Spotted for the idea
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A lot of the new chunk system requires constant back and forth the main thread
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to handle priority scheduling and ensuring conflicting tasks do not run at the
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same time.
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The issue is, these queues are only checked at either:
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A) Sync Chunk Loads
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B) End of Tick while sleeping
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This results in generating chunks sitting waiting for a full tick to
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complete before it will even start the next unit of work to do.
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Additionally, this also delays loading of chunks until this same timing.
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We will now periodically poll the chunk task queues throughout the tick,
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looking for work to do.
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We do this in a fair method that considers all worlds, not just the one being
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ticked, so that each world can get 1 task procesed each before the next pass.
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In a view distance of 15, chunk loading performance was visually faster on the client.
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Flying at high speed in spectator mode was able to keep up with chunk loading (as long as they are already generated)
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diff --git a/src/main/java/co/aikar/timings/MinecraftTimings.java b/src/main/java/co/aikar/timings/MinecraftTimings.java
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index b47b7dce26805badd422c1867733ff4bfd00e9f4..b9cdbf8acccfd6b207a0116f068168f3b8c8e17d 100644
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--- a/src/main/java/co/aikar/timings/MinecraftTimings.java
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+++ b/src/main/java/co/aikar/timings/MinecraftTimings.java
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@@ -16,6 +16,7 @@ import java.util.Map;
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public final class MinecraftTimings {
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public static final Timing serverOversleep = Timings.ofSafe("Server Oversleep");
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+ public static final Timing midTickChunkTasks = Timings.ofSafe("Mid Tick Chunk Tasks");
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public static final Timing playerListTimer = Timings.ofSafe("Player List");
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public static final Timing commandFunctionsTimer = Timings.ofSafe("Command Functions");
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public static final Timing connectionTimer = Timings.ofSafe("Connection Handler");
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diff --git a/src/main/java/com/destroystokyo/paper/PaperConfig.java b/src/main/java/com/destroystokyo/paper/PaperConfig.java
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index bfdf4b302860d56dec485af77c69d18db22dc6f4..5c67c51dd0a19357086d4ceb3ca724401e4d26b8 100644
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--- a/src/main/java/com/destroystokyo/paper/PaperConfig.java
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+++ b/src/main/java/com/destroystokyo/paper/PaperConfig.java
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@@ -410,4 +410,9 @@ public class PaperConfig {
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log("Async Chunks: Enabled - Chunks will be loaded much faster, without lag.");
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}
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}
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+
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+ public static int midTickChunkTasks = 1000;
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+ private static void midTickChunkTasks() {
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+ midTickChunkTasks = getInt("settings.chunk-tasks-per-tick", midTickChunkTasks);
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+ }
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}
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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 ce438760cbc92c08c079d06a8b97eaeda1018491..0115ffe84356468ddc254d8d5bdd719bc5e7e3f8 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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@@ -1120,6 +1120,7 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
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// Paper end
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tickSection = curTime;
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}
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+ midTickChunksTasksRan = 0; // Paper
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// Spigot end
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if (this.debugCommandProfilerDelayStart) {
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@@ -1194,7 +1195,7 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
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}
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- private boolean haveTime() {
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+ public boolean haveTime() { // Paper
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// CraftBukkit start
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if (isOversleep) return canOversleep();// Paper - because of our changes, this logic is broken
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return this.forceTicks || this.runningTask() || Util.getMillis() < (this.mayHaveDelayedTasks ? this.delayedTasksMaxNextTickTime : this.nextTickTime);
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@@ -1224,6 +1225,23 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
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});
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}
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+ // Paper start
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+ public int midTickChunksTasksRan = 0;
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+ private long midTickLastRan = 0;
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+ public void midTickLoadChunks() {
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+ if (!isSameThread() || System.nanoTime() - midTickLastRan < 1000000) {
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+ // only check once per 0.25ms incase this code is called in a hot method
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+ return;
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+ }
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+ try (co.aikar.timings.Timing ignored = co.aikar.timings.MinecraftTimings.midTickChunkTasks.startTiming()) {
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+ for (ServerLevel value : this.getAllLevels()) {
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+ value.getChunkSource().mainThreadProcessor.midTickLoadChunks();
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+ }
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+ midTickLastRan = System.nanoTime();
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+ }
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+ }
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+ // Paper end
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+
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@Override
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public TickTask wrapRunnable(Runnable runnable) {
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return new TickTask(this.tickCount, runnable);
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@@ -1313,6 +1331,7 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
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// Paper start - move oversleep into full server tick
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isOversleep = true;MinecraftTimings.serverOversleep.startTiming();
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this.managedBlock(() -> {
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+ midTickLoadChunks(); // will only do loads since we are still considered !canSleepForTick
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return !this.canOversleep();
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});
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isOversleep = false;MinecraftTimings.serverOversleep.stopTiming();
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@@ -1381,13 +1400,16 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
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}
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public void tickChildren(BooleanSupplier shouldKeepTicking) {
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+ midTickLoadChunks(); // Paper
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MinecraftTimings.bukkitSchedulerTimer.startTiming(); // Spigot // Paper
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this.server.getScheduler().mainThreadHeartbeat(this.tickCount); // CraftBukkit
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MinecraftTimings.bukkitSchedulerTimer.stopTiming(); // Spigot // Paper
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+ midTickLoadChunks(); // Paper
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this.profiler.push("commandFunctions");
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MinecraftTimings.commandFunctionsTimer.startTiming(); // Spigot // Paper
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this.getFunctions().tick();
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MinecraftTimings.commandFunctionsTimer.stopTiming(); // Spigot // Paper
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+ midTickLoadChunks(); // Paper
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this.profiler.popPush("levels");
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Iterator iterator = this.getAllLevels().iterator();
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@@ -1398,7 +1420,7 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
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this.processQueue.remove().run();
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}
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MinecraftTimings.processQueueTimer.stopTiming(); // Spigot
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-
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+ midTickLoadChunks(); // Paper
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MinecraftTimings.timeUpdateTimer.startTiming(); // Spigot // Paper
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// Send time updates to everyone, it will get the right time from the world the player is in.
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// Paper start - optimize time updates
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@@ -1440,9 +1462,11 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
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this.profiler.push("tick");
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try {
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+ midTickLoadChunks(); // Paper
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worldserver.timings.doTick.startTiming(); // Spigot
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worldserver.tick(shouldKeepTicking);
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worldserver.timings.doTick.stopTiming(); // Spigot
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+ midTickLoadChunks(); // Paper
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} catch (Throwable throwable) {
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// Spigot Start
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CrashReport crashreport;
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diff --git a/src/main/java/net/minecraft/server/level/ServerChunkCache.java b/src/main/java/net/minecraft/server/level/ServerChunkCache.java
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index 1b55d1bfc0ebab40dc74a801aa0ad95b6ed22314..a376fa2456607337d3eec007abd5622a8d75ae42 100644
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--- a/src/main/java/net/minecraft/server/level/ServerChunkCache.java
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+++ b/src/main/java/net/minecraft/server/level/ServerChunkCache.java
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@@ -704,6 +704,7 @@ public class ServerChunkCache extends ChunkSource {
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this.level.getProfiler().push("purge");
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this.level.timings.doChunkMap.startTiming(); // Spigot
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this.distanceManager.purgeStaleTickets();
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+ this.level.getServer().midTickLoadChunks(); // Paper
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this.runDistanceManagerUpdates();
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this.level.timings.doChunkMap.stopTiming(); // Spigot
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this.level.getProfiler().popPush("chunks");
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@@ -713,6 +714,7 @@ public class ServerChunkCache extends ChunkSource {
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this.level.timings.doChunkUnload.startTiming(); // Spigot
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this.level.getProfiler().popPush("unload");
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this.chunkMap.tick(booleansupplier);
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+ this.level.getServer().midTickLoadChunks(); // Paper
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this.level.timings.doChunkUnload.stopTiming(); // Spigot
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this.level.getProfiler().pop();
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this.clearCache();
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@@ -767,7 +769,7 @@ public class ServerChunkCache extends ChunkSource {
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};
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// Paper end
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this.level.timings.chunkTicks.startTiming(); // Paper
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- this.chunkMap.forEachVisibleChunk((playerchunk) -> { // Paper - safe iterator incase chunk loads, also no wrapping
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+ final int[] chunksTicked = {0}; this.chunkMap.forEachVisibleChunk((playerchunk) -> { // Paper - safe iterator incase chunk loads, also no wrapping
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Optional<LevelChunk> optional = ((Either) playerchunk.getTickingChunkFuture().getNow(ChunkHolder.UNLOADED_LEVEL_CHUNK)).left();
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if (optional.isPresent()) {
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@@ -778,6 +780,7 @@ public class ServerChunkCache extends ChunkSource {
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chunk.setInhabitedTime(chunk.getInhabitedTime() + j);
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if (flag1 && (this.spawnEnemies || this.spawnFriendlies) && this.level.getWorldBorder().isWithinBounds(chunk.getPos()) && !this.chunkMap.isOutsideOfRange(chunkcoordintpair, true)) { // Spigot
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NaturalSpawner.spawnForChunk(this.level, chunk, spawnercreature_d, this.spawnFriendlies, this.spawnEnemies, flag2);
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+ if (chunksTicked[0]++ % 10 == 0) this.level.getServer().midTickLoadChunks(); // Paper
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}
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// this.level.timings.doTickTiles.startTiming(); // Spigot // Paper
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@@ -795,7 +798,7 @@ public class ServerChunkCache extends ChunkSource {
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}
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this.level.getProfiler().popPush("broadcast");
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- this.chunkMap.getChunks().forEach((playerchunk) -> { // Paper - no... just no...
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+ this.chunkMap.forEachVisibleChunk((playerchunk) -> { // Paper - safe iterator incase chunk loads, also no wrapping
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Optional<LevelChunk> optional = ((Either) playerchunk.getTickingChunkFuture().getNow(ChunkHolder.UNLOADED_LEVEL_CHUNK)).left(); // CraftBukkit - decompile error
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Objects.requireNonNull(playerchunk);
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@@ -959,6 +962,41 @@ public class ServerChunkCache extends ChunkSource {
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super.doRunTask(task);
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}
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+ // Paper start
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+ private long lastMidTickChunkTask = 0;
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+ public boolean pollChunkLoadTasks() {
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+ if (com.destroystokyo.paper.io.chunk.ChunkTaskManager.pollChunkWaitQueue() || ServerChunkCache.this.level.asyncChunkTaskManager.pollNextChunkTask()) {
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+ try {
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+ ServerChunkCache.this.runDistanceManagerUpdates();
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+ } finally {
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+ // from below: process pending Chunk loadCallback() and unloadCallback() after each run task
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+ chunkMap.callbackExecutor.run();
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+ }
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+ return true;
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+ }
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+ return false;
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+ }
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+ public void midTickLoadChunks() {
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+ net.minecraft.server.MinecraftServer server = ServerChunkCache.this.level.getServer();
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+ // always try to load chunks, restrain generation/other updates only. don't count these towards tick count
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+ //noinspection StatementWithEmptyBody
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+ while (pollChunkLoadTasks()) {}
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+
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+ if (System.nanoTime() - lastMidTickChunkTask < 200000) {
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+ return;
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+ }
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+
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+ for (;server.midTickChunksTasksRan < com.destroystokyo.paper.PaperConfig.midTickChunkTasks && server.haveTime();) {
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+ if (this.pollTask()) {
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+ server.midTickChunksTasksRan++;
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+ lastMidTickChunkTask = System.nanoTime();
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+ } else {
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+ break;
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+ }
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+ }
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+ }
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+ // Paper end
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+
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@Override
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// CraftBukkit start - process pending Chunk loadCallback() and unloadCallback() after each run task
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public boolean pollTask() {
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diff --git a/src/main/java/net/minecraft/server/level/ServerLevel.java b/src/main/java/net/minecraft/server/level/ServerLevel.java
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index bc467846e98e9c8e8e060939ef8795c7a7845c0a..b31271a50740a77bc97ab47fdfe23f11a2a76618 100644
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--- a/src/main/java/net/minecraft/server/level/ServerLevel.java
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+++ b/src/main/java/net/minecraft/server/level/ServerLevel.java
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@@ -544,6 +544,7 @@ public class ServerLevel extends Level implements WorldGenLevel {
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}
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timings.scheduledBlocks.stopTiming(); // Paper
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+ this.getServer().midTickLoadChunks(); // Paper
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gameprofilerfiller.popPush("raid");
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this.timings.raids.startTiming(); // Paper - timings
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this.raids.tick();
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@@ -556,6 +557,7 @@ public class ServerLevel extends Level implements WorldGenLevel {
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timings.doSounds.startTiming(); // Spigot
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this.runBlockEvents();
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timings.doSounds.stopTiming(); // Spigot
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+ this.getServer().midTickLoadChunks(); // Paper
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this.handlingTick = false;
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gameprofilerfiller.pop();
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boolean flag3 = true || !this.players.isEmpty() || !this.getForcedChunks().isEmpty(); // CraftBukkit - this prevents entity cleanup, other issues on servers with no players
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@@ -602,10 +604,12 @@ public class ServerLevel extends Level implements WorldGenLevel {
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timings.entityTick.stopTiming(); // Spigot
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timings.tickEntities.stopTiming(); // Spigot
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gameprofilerfiller.pop();
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+ this.getServer().midTickLoadChunks(); // Paper
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this.tickBlockEntities();
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}
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gameprofilerfiller.push("entityManagement");
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+ this.getServer().midTickLoadChunks(); // Paper
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this.entityManager.tick();
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gameprofilerfiller.pop();
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}
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