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Paper/Spigot-Server-Patches/0508-Add-Plugin-Tickets-to-API-Chunk-Methods.patch
Aikar c0d07c1b67
Updated Upstream (Bukkit/CraftBukkit/Spigot)
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:
f009c3dd SPIGOT-5810, SPIGOT-5835: 'Better' handling of Player.isOnGround
e677c370 Update ECJ version
5058a35d SPIGOT-5860: Item.setItemStack should be NotNull

CraftBukkit Changes:
d77f4d9b SPIGOT-5810, SPIGOT-5835: 'Better' handling of Player.isOnGround
53c95627 SPIGOT-5865: Piglin does not trigger EntityPickupItemEvent
2ab04d24 Update ECJ version
7884e079 SPIGOT-5868: Blocks do not tick in custom nether / end
2a848286 SPIGOT-5863: Don't check colour in scoreboard length validation
f2cbce30 SPIGOT-5866: Beehive unknown TargetReason

Spigot Changes:
ad703da0 SPIGOT-5870: /plugins "website" field shows "version"
1a27cfd8 #98: Improve output of /plugins command using text components
732d5bab Disable checkstyle in Spigot blocks
0199a9a6 #97: Add Memory Usage to Ticks Per Second Command.
33ea98fc SPIGOT-5858: NPE: Joining the server with an invalid dimension
2020-06-27 21:54:05 -04:00

123 Zeilen
6.8 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Tue, 9 Jun 2020 03:33:03 -0400
Subject: [PATCH] Add Plugin Tickets to API Chunk Methods
Like previous versions, plugins loading chunks kept them loaded until
they garbage collected to avoid constant spamming of chunk loads
This adds tickets to a few more places so that they can be unloaded.
Additionally, this drops their ticket level to BORDER so they wont be ticking
so they will just sit inactive instead.
Using .loadChunk to keep a chunk ticking was a horrible idea for upstream
when we have TWO methods that are able to do that already in the API.
Also reduce their collection count down to a maximum of 1 second. Barely
anyone knows what chunk-gc is in bukkit.yml as its less relevant now, and
since this wasn't spigot behavior, this is safe to mostly ignore (unless someone
wants it to collect even faster, they can restore that setting back to 1 instead of 20+)
Not adding it to .getType() though to keep behavior consistent with vanilla for performance reasons.
diff --git a/src/main/java/org/bukkit/craftbukkit/CraftServer.java b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
index fe4302431ab15593bf8eae5cc09915994a6fd973..25e01267888762826ffaf93711bdc7952c36da18 100644
--- a/src/main/java/org/bukkit/craftbukkit/CraftServer.java
+++ b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
@@ -344,7 +344,7 @@ public final class CraftServer implements Server {
ambientSpawn = configuration.getInt("spawn-limits.ambient");
console.autosavePeriod = configuration.getInt("ticks-per.autosave");
warningState = WarningState.value(configuration.getString("settings.deprecated-verbose"));
- TicketType.PLUGIN.loadPeriod = configuration.getInt("chunk-gc.period-in-ticks");
+ TicketType.PLUGIN.loadPeriod = Math.min(20, configuration.getInt("chunk-gc.period-in-ticks")); // Paper - cap plugin loads to 1 second
minimumAPI = configuration.getString("settings.minimum-api");
loadIcon();
}
@@ -827,7 +827,7 @@ public final class CraftServer implements Server {
waterAmbientSpawn = configuration.getInt("spawn-limits.water-ambient");
ambientSpawn = configuration.getInt("spawn-limits.ambient");
warningState = WarningState.value(configuration.getString("settings.deprecated-verbose"));
- TicketType.PLUGIN.loadPeriod = configuration.getInt("chunk-gc.period-in-ticks");
+ TicketType.PLUGIN.loadPeriod = Math.min(20, configuration.getInt("chunk-gc.period-in-ticks")); // Paper - cap plugin loads to 1 second
minimumAPI = configuration.getString("settings.minimum-api");
printSaveWarning = false;
console.autosavePeriod = configuration.getInt("ticks-per.autosave");
diff --git a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
index b973bd8f60412232df53ac52d97135de6a6f083b..fb24b9d072ff3f57cbd40609b1550ed552ba8bd8 100644
--- a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
+++ b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
@@ -401,9 +401,22 @@ public class CraftWorld implements World {
@Override
public Chunk getChunkAt(int x, int z) {
- return this.world.getChunkProvider().getChunkAt(x, z, true).bukkitChunk;
+ // Paper start - add ticket to hold chunk for a little while longer if plugin accesses it
+ net.minecraft.server.Chunk chunk = world.getChunkProvider().getChunkAtIfLoadedImmediately(x, z);
+ if (chunk == null) {
+ addTicket(x, z);
+ chunk = this.world.getChunkProvider().getChunkAt(x, z, true);
+ }
+ return chunk.bukkitChunk;
+ // Paper end
}
+ // Paper start
+ private void addTicket(int x, int z) {
+ MCUtil.MAIN_EXECUTOR.execute(() -> world.getChunkProvider().addTicket(TicketType.PLUGIN, new ChunkCoordIntPair(x, z), 0, Unit.INSTANCE)); // Paper
+ }
+ // Paper end
+
@Override
public Chunk getChunkAt(Block block) {
Preconditions.checkArgument(block != null, "null block");
@@ -477,7 +490,7 @@ public class CraftWorld implements World {
public boolean unloadChunkRequest(int x, int z) {
org.spigotmc.AsyncCatcher.catchOp("chunk unload"); // Spigot
if (isChunkLoaded(x, z)) {
- world.getChunkProvider().removeTicket(TicketType.PLUGIN, new ChunkCoordIntPair(x, z), 1, Unit.INSTANCE);
+ world.getChunkProvider().removeTicket(TicketType.PLUGIN, new ChunkCoordIntPair(x, z), 0, Unit.INSTANCE); // Paper
}
return true;
@@ -554,10 +567,12 @@ public class CraftWorld implements World {
org.spigotmc.AsyncCatcher.catchOp("chunk load"); // Spigot
// Paper start - Optimize this method
ChunkCoordIntPair chunkPos = new ChunkCoordIntPair(x, z);
+ IChunkAccess immediate = world.getChunkProvider().getChunkAtIfLoadedImmediately(x, z); // Paper
+ if (immediate != null) return true; // Paper
if (!generate) {
- IChunkAccess immediate = world.getChunkProvider().getChunkAtImmediately(x, z);
+ //IChunkAccess immediate = world.getChunkProvider().getChunkAtImmediately(x, z); // Paper
if (immediate == null) {
immediate = world.getChunkProvider().playerChunkMap.getUnloadingChunk(x, z);
}
@@ -565,7 +580,7 @@ public class CraftWorld implements World {
if (!(immediate instanceof ProtoChunkExtension) && !(immediate instanceof net.minecraft.server.Chunk)) {
return false; // not full status
}
- world.getChunkProvider().addTicket(TicketType.PLUGIN, chunkPos, 1, Unit.INSTANCE);
+ world.getChunkProvider().addTicket(TicketType.PLUGIN, chunkPos, 0, Unit.INSTANCE); // Paper
world.getChunkAt(x, z); // make sure we're at ticket level 32 or lower
return true;
}
@@ -592,7 +607,7 @@ public class CraftWorld implements World {
// we do this so we do not re-read the chunk data on disk
}
- world.getChunkProvider().addTicket(TicketType.PLUGIN, chunkPos, 1, Unit.INSTANCE);
+ world.getChunkProvider().addTicket(TicketType.PLUGIN, chunkPos, 0, Unit.INSTANCE); // Paper
world.getChunkProvider().getChunkAt(x, z, ChunkStatus.FULL, true);
return true;
// Paper end
@@ -2517,6 +2532,7 @@ public class CraftWorld implements World {
}
return this.world.getChunkProvider().getChunkAtAsynchronously(x, z, gen, urgent).thenComposeAsync((either) -> {
net.minecraft.server.Chunk chunk = (net.minecraft.server.Chunk) either.left().orElse(null);
+ if (chunk != null) addTicket(x, z); // Paper
return CompletableFuture.completedFuture(chunk == null ? null : chunk.getBukkitChunk());
}, MinecraftServer.getServer());
}