Paper/patches/server/0854-Configurable-Region-Compression-Format.patch
Spottedleaf 8c5b837e05 Rework async chunk api implementation
Firstly, the old methods all routed to the CompletableFuture method.
However, the CF method could not guarantee that if the caller
was off-main that the future would be "completed" on-main. Since
the callback methods used the CF one, this meant that the callback
methods did not guarantee that the callbacks were to be called on
the main thread.

Now, all methods route to getChunkAtAsync(x, z, gen, urgent, cb)
so that the methods with the callback are guaranteed to invoke
the callback on the main thread. The CF behavior remains unchanged;
it may still appear to complete on main if invoked off-main.

Secondly, remove the scheduleOnMain invocation in the async
chunk completion. This unnecessarily delays the callback
by 1 tick.

Thirdly, add getChunksAtAsync(minX, minZ, maxX, maxZ, ...) which
will load chunks within an area. This method is provided as a helper
as keeping all chunks loaded within an area can be complicated to
implement for plugins (due to the lacking ticket API), and is
already implemented internally anyways.

Fourthly, remove the ticket addition that occured with getChunkAt
and getChunkAtAsync. The ticket addition may delay the unloading
of the chunk unnecessarily. It also fixes a very rare timing bug
where the future/callback would be completed after the chunk
unloads.
2024-11-18 23:00:59 -08:00

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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Astralchroma <astralchroma@proton.me>
Date: Thu, 27 Oct 2022 22:19:31 +0100
Subject: [PATCH] Configurable Region Compression Format
diff --git a/src/main/java/net/minecraft/world/level/chunk/storage/RegionFile.java b/src/main/java/net/minecraft/world/level/chunk/storage/RegionFile.java
index f1237f6fd6414900ffbad0caee31aa83310eeef4..e858436bcf1b234d4bc6e6a117f5224d5c2d9f90 100644
--- a/src/main/java/net/minecraft/world/level/chunk/storage/RegionFile.java
+++ b/src/main/java/net/minecraft/world/level/chunk/storage/RegionFile.java
@@ -50,7 +50,7 @@ public class RegionFile implements AutoCloseable {
protected final RegionBitmap usedSectors;
public RegionFile(RegionStorageInfo storageKey, Path directory, Path path, boolean dsync) throws IOException {
- this(storageKey, directory, path, RegionFileVersion.getSelected(), dsync);
+ this(storageKey, directory, path, RegionFileVersion.getCompressionFormat(), dsync); // Paper - Configurable region compression format
}
public RegionFile(RegionStorageInfo storageKey, Path path, Path directory, RegionFileVersion compressionFormat, boolean dsync) throws IOException {
diff --git a/src/main/java/net/minecraft/world/level/chunk/storage/RegionFileVersion.java b/src/main/java/net/minecraft/world/level/chunk/storage/RegionFileVersion.java
index cbd892598287c9358c1c2a3840c517462820b389..ef68b57ef1d8d7cb317c417569dd23a777fba4ad 100644
--- a/src/main/java/net/minecraft/world/level/chunk/storage/RegionFileVersion.java
+++ b/src/main/java/net/minecraft/world/level/chunk/storage/RegionFileVersion.java
@@ -58,6 +58,15 @@ public class RegionFileVersion {
private final RegionFileVersion.StreamWrapper<InputStream> inputWrapper;
private final RegionFileVersion.StreamWrapper<OutputStream> outputWrapper;
+ // Paper start - Configurable region compression format
+ public static RegionFileVersion getCompressionFormat() {
+ return switch (io.papermc.paper.configuration.GlobalConfiguration.get().unsupportedSettings.compressionFormat) {
+ case GZIP -> VERSION_GZIP;
+ case ZLIB -> VERSION_DEFLATE;
+ case NONE -> VERSION_NONE;
+ };
+ }
+ // Paper end - Configurable region compression format
private RegionFileVersion(
int id,
@Nullable String name,