Mirror von
https://github.com/PaperMC/Paper.git
synchronisiert 2024-11-15 12:30:06 +01:00
b31089a929
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: d264e972 #591: Add option for a consumer before spawning an item 1c537fce #590: Add spawn and transform reasons for piglin zombification. CraftBukkit Changes: ee5006d1 #810: Add option for a consumer before spawning an item f6a39d3c #809: Add spawn and transform reasons for piglin zombification. 0c24068a Organise imports Spigot Changes: bff52619 Organise imports
264 Zeilen
13 KiB
Diff
264 Zeilen
13 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 11fe3524f38f7756ebd0e3807678e8848fd2217d..884b59d478aa7de49906520e77866a7949bed19d 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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@@ -13,6 +13,7 @@ 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 da93d38fe63035e4ff198ada84a4431f52d97c01..ddbc8cb712c50038922eded75dd6ca85fe851078 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/ChunkProviderServer.java b/src/main/java/net/minecraft/server/ChunkProviderServer.java
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index 475e35a5d3f25929e60ef34d7f41e2db193443ef..1f63cdd9588a8dda1f04154f4d9de21fd8224678 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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@@ -694,6 +694,7 @@ public class ChunkProviderServer extends IChunkProvider {
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this.world.getMethodProfiler().enter("purge");
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this.world.timings.doChunkMap.startTiming(); // Spigot
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this.chunkMapDistance.purgeTickets();
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+ this.world.getMinecraftServer().midTickLoadChunks(); // Paper
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this.tickDistanceManager();
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this.world.timings.doChunkMap.stopTiming(); // Spigot
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this.world.getMethodProfiler().exitEnter("chunks");
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@@ -703,6 +704,7 @@ public class ChunkProviderServer extends IChunkProvider {
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this.world.timings.doChunkUnload.startTiming(); // Spigot
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this.world.getMethodProfiler().exitEnter("unload");
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this.playerChunkMap.unloadChunks(booleansupplier);
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+ this.world.getMinecraftServer().midTickLoadChunks(); // Paper
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this.world.timings.doChunkUnload.stopTiming(); // Spigot
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this.world.getMethodProfiler().exit();
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this.clearCache();
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@@ -756,7 +758,7 @@ public class ChunkProviderServer extends IChunkProvider {
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entityPlayer.playerNaturallySpawnedEvent.callEvent();
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};
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// Paper end
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- this.playerChunkMap.forEachVisibleChunk((playerchunk) -> { // Paper - safe iterator incase chunk loads, also no wrapping
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+ final int[] chunksTicked = {0}; this.playerChunkMap.forEachVisibleChunk((playerchunk) -> { // Paper - safe iterator incase chunk loads, also no wrapping
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Optional<Chunk> optional = ((Either) playerchunk.a().getNow(PlayerChunk.UNLOADED_CHUNK)).left();
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if (optional.isPresent()) {
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@@ -780,6 +782,7 @@ public class ChunkProviderServer extends IChunkProvider {
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this.world.timings.chunkTicks.startTiming(); // Spigot // Paper
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this.world.a(chunk, k);
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this.world.timings.chunkTicks.stopTiming(); // Spigot // Paper
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+ if (chunksTicked[0]++ % 10 == 0) this.world.getMinecraftServer().midTickLoadChunks(); // Paper
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}
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}
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}
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@@ -936,6 +939,41 @@ public class ChunkProviderServer extends IChunkProvider {
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super.executeTask(runnable);
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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() || ChunkProviderServer.this.world.asyncChunkTaskManager.pollNextChunkTask()) {
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+ try {
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+ ChunkProviderServer.this.tickDistanceManager();
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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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+ playerChunkMap.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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+ MinecraftServer server = ChunkProviderServer.this.world.getMinecraftServer();
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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.canSleepForTick();) {
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+ if (this.executeNext()) {
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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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protected boolean executeNext() {
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// CraftBukkit start - process pending Chunk loadCallback() and unloadCallback() after each run task
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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 0f38b3acb8d40bc4753275045db5861945865b35..2438a50ca1923b028c4848c80248bac61b80d1af 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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@@ -937,6 +937,7 @@ public abstract class MinecraftServer extends IAsyncTaskHandlerReentrant<TickTas
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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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//MinecraftServer.currentTick = (int) (System.currentTimeMillis() / 50); // CraftBukkit // Paper - don't overwrite current tick time
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@@ -1006,7 +1007,7 @@ public abstract class MinecraftServer extends IAsyncTaskHandlerReentrant<TickTas
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}
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- private boolean canSleepForTick() {
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+ public boolean canSleepForTick() { // 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.isEntered() || SystemUtils.getMonotonicMillis() < (this.X ? this.W : this.nextTick);
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@@ -1036,6 +1037,23 @@ public abstract class MinecraftServer extends IAsyncTaskHandlerReentrant<TickTas
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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 (!isMainThread() || 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 (WorldServer value : this.getWorlds()) {
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+ value.getChunkProvider().serverThreadQueue.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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protected TickTask postToMainThread(Runnable runnable) {
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return new TickTask(this.ticks, runnable);
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@@ -1122,6 +1140,7 @@ public abstract class MinecraftServer extends IAsyncTaskHandlerReentrant<TickTas
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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.awaitTasks(() -> {
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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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@@ -1200,13 +1219,16 @@ public abstract class MinecraftServer extends IAsyncTaskHandlerReentrant<TickTas
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}
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protected void b(BooleanSupplier booleansupplier) {
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+ midTickLoadChunks(); // Paper
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MinecraftTimings.bukkitSchedulerTimer.startTiming(); // Spigot // Paper
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this.server.getScheduler().mainThreadHeartbeat(this.ticks); // CraftBukkit
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MinecraftTimings.bukkitSchedulerTimer.stopTiming(); // Spigot // Paper
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+ midTickLoadChunks(); // Paper
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this.methodProfiler.enter("commandFunctions");
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MinecraftTimings.commandFunctionsTimer.startTiming(); // Spigot // Paper
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this.getFunctionData().tick();
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MinecraftTimings.commandFunctionsTimer.stopTiming(); // Spigot // Paper
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+ midTickLoadChunks(); // Paper
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this.methodProfiler.exitEnter("levels");
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Iterator iterator = this.getWorlds().iterator();
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@@ -1217,7 +1239,7 @@ public abstract class MinecraftServer extends IAsyncTaskHandlerReentrant<TickTas
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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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@@ -1259,9 +1281,11 @@ public abstract class MinecraftServer extends IAsyncTaskHandlerReentrant<TickTas
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this.methodProfiler.enter("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.doTick(booleansupplier);
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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/WorldServer.java b/src/main/java/net/minecraft/server/WorldServer.java
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index cbfe3cc34922c4dffb3dea5a279970072de1daae..7230432a67b0d07bcd40352ce510ce80517dd9b6 100644
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--- a/src/main/java/net/minecraft/server/WorldServer.java
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+++ b/src/main/java/net/minecraft/server/WorldServer.java
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@@ -457,6 +457,7 @@ public class WorldServer extends World implements GeneratorAccessSeed {
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}
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timings.scheduledBlocks.stopTiming(); // Paper
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+ this.getMinecraftServer().midTickLoadChunks(); // Paper
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gameprofilerfiller.exitEnter("raid");
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this.timings.raids.startTiming(); // Paper - timings
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this.persistentRaid.a();
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@@ -465,6 +466,7 @@ public class WorldServer extends World implements GeneratorAccessSeed {
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timings.doSounds.startTiming(); // Spigot
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this.ak();
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timings.doSounds.stopTiming(); // Spigot
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+ this.getMinecraftServer().midTickLoadChunks(); // Paper
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this.ticking = false;
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gameprofilerfiller.exitEnter("entities");
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boolean flag3 = true || !this.players.isEmpty() || !this.getForceLoadedChunks().isEmpty(); // CraftBukkit - this prevents entity cleanup, other issues on servers with no players
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@@ -531,6 +533,7 @@ public class WorldServer extends World implements GeneratorAccessSeed {
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timings.entityTick.stopTiming(); // Spigot
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this.tickingEntities = false;
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+ this.getMinecraftServer().midTickLoadChunks(); // Paper
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Entity entity2;
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@@ -540,6 +543,7 @@ public class WorldServer extends World implements GeneratorAccessSeed {
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}
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timings.tickEntities.stopTiming(); // Spigot
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+ this.getMinecraftServer().midTickLoadChunks(); // Paper
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this.tickBlockEntities();
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}
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