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PaperMC/patches/server/0308-Optimise-getChunkAt-calls-for-loaded-chunks.patch
Spottedleaf da9d110d5b Remove chunk save reattempt patch
This patch does not appear to be doing anything useful, and may
hide errors.

Currently, the save logic does not run through this path either
so it did not do anything.

Additionally, properly implement support for handling
RegionFileSizeException in Moonrise.
2024-11-28 18:27:59 -08:00

60 lines
2.7 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Spottedleaf <Spottedleaf@users.noreply.github.com>
Date: Sat, 25 Jan 2020 17:04:35 -0800
Subject: [PATCH] Optimise getChunkAt calls for loaded chunks
bypass the need to get a player chunk, then get the either,
then unwrap it...
diff --git a/src/main/java/net/minecraft/server/level/ServerChunkCache.java b/src/main/java/net/minecraft/server/level/ServerChunkCache.java
index f4fa64ab18573cb9a22a9bfb79a351c388d1aaa5..2bd7f0554bdf668930c990156f65e97e4b64d8bc 100644
--- a/src/main/java/net/minecraft/server/level/ServerChunkCache.java
+++ b/src/main/java/net/minecraft/server/level/ServerChunkCache.java
@@ -194,6 +194,12 @@ public class ServerChunkCache extends ChunkSource {
return this.getChunk(x, z, leastStatus, create);
}, this.mainThreadProcessor).join();
} else {
+ // Paper start - Perf: Optimise getChunkAt calls for loaded chunks
+ LevelChunk ifLoaded = this.getChunkAtIfLoadedMainThread(x, z);
+ if (ifLoaded != null) {
+ return ifLoaded;
+ }
+ // Paper end - Perf: Optimise getChunkAt calls for loaded chunks
ProfilerFiller gameprofilerfiller = Profiler.get();
gameprofilerfiller.incrementCounter("getChunk");
@@ -233,33 +239,7 @@ public class ServerChunkCache extends ChunkSource {
if (Thread.currentThread() != this.mainThread) {
return null;
} else {
- Profiler.get().incrementCounter("getChunkNow");
- long k = ChunkPos.asLong(chunkX, chunkZ);
-
- ChunkAccess ichunkaccess;
-
- for (int l = 0; l < 4; ++l) {
- if (k == this.lastChunkPos[l] && this.lastChunkStatus[l] == ChunkStatus.FULL) {
- ichunkaccess = this.lastChunk[l];
- return ichunkaccess instanceof LevelChunk ? (LevelChunk) ichunkaccess : null;
- }
- }
-
- ChunkHolder playerchunk = this.getVisibleChunkIfPresent(k);
-
- if (playerchunk == null) {
- return null;
- } else {
- ichunkaccess = playerchunk.getChunkIfPresent(ChunkStatus.FULL);
- if (ichunkaccess != null) {
- this.storeInCache(k, ichunkaccess, ChunkStatus.FULL);
- if (ichunkaccess instanceof LevelChunk) {
- return (LevelChunk) ichunkaccess;
- }
- }
-
- return null;
- }
+ return this.getChunkAtIfLoadedMainThread(chunkX, chunkZ); // Paper - Perf: Optimise getChunkAt calls for loaded chunks
}
}