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Paper/Spigot-Server-Patches/0495-Add-Plugin-Tickets-to-API-Chunk-Methods.patch
Josh Roy b31089a929
Updated Upstream (Bukkit/CraftBukkit/Spigot) (#5325)
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
2021-03-08 15:12:31 -08:00

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 9b6d081f7db0ed389776c68dc4771e7cbaebea7d..dfe6b9e680a4b64fd6a664581f0a1db81f04dafa 100644
--- a/src/main/java/org/bukkit/craftbukkit/CraftServer.java
+++ b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
@@ -346,7 +346,7 @@ 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();
}
@@ -837,7 +837,7 @@ 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 59a9684d16d702777d834c64ebdcef0ef5a22623..602f0aa24adb641933c026aaba7d3245df628bbc 100644
--- a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
+++ b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
@@ -408,9 +408,22 @@ 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");
@@ -484,7 +497,7 @@ 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;
@@ -561,10 +574,12 @@ 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);
}
@@ -572,7 +587,7 @@ 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;
}
@@ -599,7 +614,7 @@ 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
@@ -2550,6 +2565,7 @@ 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());
}