mirror of
https://github.com/PaperMC/Paper.git
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Developers!: You will need to clean up your work/Minecraft/1.13.2 folder for this 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 Bukkit Changes: b850a822 SPIGOT-4526: Add conversion time API for Zombie & subclasses CraftBukkit Changes:38cf676e
SPIGOT-4534: CreatureSpawnEvent not being called for CHUNK_GENb446cb5d
SPIGOT-4527: Fix sponges with waterlogged blocks6ec8ea5c
SPIGOT-4526: Add conversion time API for Zombie & subclassesc64fe508
Mappings Updatea3c2ec03
Fix missing ServerListPingEvent call for legacy pings Spigot Changes: 1dc156ce Rebuild patches 140f654d Mappings Update
112 lines
4.9 KiB
Diff
112 lines
4.9 KiB
Diff
From 38f954aac3cbf55ef4c2ab8a91559775e2dcc5c0 Mon Sep 17 00:00:00 2001
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From: Aikar <aikar@aikar.co>
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Date: Mon, 1 Jan 2018 16:10:24 -0500
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Subject: [PATCH] Configurable Max Chunk Gens per Tick
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Limit the number of generations that can occur in a single tick, forcing them
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to be spread out more.
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Defaulting to 10 as an average generation is going to be 3-6ms, which means 10 will
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likely cause the server to lose TPS, but constrain how much.
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This should result in no noticeable speed reduction in generation for servers not
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lagging, and let larger servers reduce this value according to their own desires.
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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 29cb718fb..695bdf2e6 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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@@ -393,4 +393,15 @@ public class PaperWorldConfig {
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}
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log("Max Chunk Sends Per Tick: " + maxChunkSendsPerTick);
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}
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+
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+ public int maxChunkGensPerTick = 10;
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+ private void maxChunkGensPerTick() {
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+ maxChunkGensPerTick = getInt("max-chunk-gens-per-tick", maxChunkGensPerTick);
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+ if (maxChunkGensPerTick <= 0) {
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+ maxChunkGensPerTick = Integer.MAX_VALUE;
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+ log("Max Chunk Gens Per Tick: Unlimited (NOT RECOMMENDED)");
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+ } else {
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+ log("Max Chunk Gens Per Tick: " + maxChunkGensPerTick);
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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/PlayerChunk.java b/src/main/java/net/minecraft/server/PlayerChunk.java
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index 5497a458d..db43a8a9a 100644
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--- a/src/main/java/net/minecraft/server/PlayerChunk.java
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+++ b/src/main/java/net/minecraft/server/PlayerChunk.java
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@@ -19,6 +19,7 @@ public class PlayerChunk {
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private int h;
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private long i;
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private boolean done;
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+ boolean chunkExists; // Paper
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public PlayerChunk(PlayerChunkMap playerchunkmap, int ix, int j) {
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this.playerChunkMap = playerchunkmap;
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@@ -26,6 +27,7 @@ public class PlayerChunk {
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ChunkProviderServer chunkproviderserver = playerchunkmap.getWorld().getChunkProvider();
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chunkproviderserver.a(ix, j);
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this.chunk = chunkproviderserver.getChunkAt(ix, j, true, false);
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+ this.chunkExists = this.chunk != null || org.bukkit.craftbukkit.chunkio.ChunkIOExecutor.hasQueuedChunkLoad(playerChunkMap.getWorld(), ix, j); // Paper
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markChunkUsed(); // Paper - delay chunk unloads
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}
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diff --git a/src/main/java/net/minecraft/server/PlayerChunkMap.java b/src/main/java/net/minecraft/server/PlayerChunkMap.java
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index b1ece38b2..27343174d 100644
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--- a/src/main/java/net/minecraft/server/PlayerChunkMap.java
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+++ b/src/main/java/net/minecraft/server/PlayerChunkMap.java
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@@ -136,6 +136,7 @@ public class PlayerChunkMap {
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// Spigot start
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org.spigotmc.SlackActivityAccountant activityAccountant = this.world.getMinecraftServer().slackActivityAccountant;
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activityAccountant.startActivity(0.5);
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+ int chunkGensAllowed = world.paperConfig.maxChunkGensPerTick; // Paper
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// Spigot end
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Iterator iterator1 = this.h.iterator();
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@@ -145,6 +146,11 @@ public class PlayerChunkMap {
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if (playerchunk1.f() == null) {
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boolean flag = playerchunk1.a(PlayerChunkMap.b);
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+ // Paper start
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+ if (flag && !playerchunk1.chunkExists && chunkGensAllowed-- <= 0) {
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+ continue;
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+ }
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+ // Paper end
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if (playerchunk1.a(flag)) {
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iterator1.remove();
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diff --git a/src/main/java/org/bukkit/craftbukkit/chunkio/ChunkIOExecutor.java b/src/main/java/org/bukkit/craftbukkit/chunkio/ChunkIOExecutor.java
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index 7ffb8f617..33d5fc7d5 100644
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--- a/src/main/java/org/bukkit/craftbukkit/chunkio/ChunkIOExecutor.java
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+++ b/src/main/java/org/bukkit/craftbukkit/chunkio/ChunkIOExecutor.java
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@@ -34,4 +34,10 @@ public class ChunkIOExecutor {
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public static void tick() {
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instance.finishActive();
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}
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+
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+ // Paper start
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+ public static boolean hasQueuedChunkLoad(World world, int x, int z) {
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+ return instance.hasTask(new QueuedChunk(x, z, null, world, null));
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+ }
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+ // Paper end
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}
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diff --git a/src/main/java/org/bukkit/craftbukkit/util/AsynchronousExecutor.java b/src/main/java/org/bukkit/craftbukkit/util/AsynchronousExecutor.java
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index 193c3621c..cf1258c55 100644
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--- a/src/main/java/org/bukkit/craftbukkit/util/AsynchronousExecutor.java
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+++ b/src/main/java/org/bukkit/craftbukkit/util/AsynchronousExecutor.java
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@@ -351,4 +351,10 @@ public final class AsynchronousExecutor<P, T, C, E extends Throwable> {
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public void setActiveThreads(final int coreSize) {
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pool.setCorePoolSize(coreSize);
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}
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+
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+ // Paper start
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+ public boolean hasTask(P parameter) throws IllegalStateException {
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+ return tasks.get(parameter) != null;
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+ }
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+ // Paper end
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}
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--
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2.20.0
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