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Paper-Old/Spigot-Server-Patches/0405-Optimise-getChunkAt-calls-for-loaded-chunks.patch
Mariell Hoversholm 0f78e95250 More work
2021-03-18 18:03:22 +01:00

67 Zeilen
2.9 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/ChunkProviderServer.java b/src/main/java/net/minecraft/server/level/ChunkProviderServer.java
index 4998fad49755c08e20ebfb1dc97b558e1cf10b50..2f172f38f817f48fe2e62235c3859b91e60bc0df 100644
--- a/src/main/java/net/minecraft/server/level/ChunkProviderServer.java
+++ b/src/main/java/net/minecraft/server/level/ChunkProviderServer.java
@@ -470,6 +470,12 @@ public class ChunkProviderServer extends IChunkProvider {
return this.getChunkAt(i, j, chunkstatus, flag);
}, this.serverThreadQueue).join();
} else {
+ // Paper start - optimise for loaded chunks
+ Chunk ifLoaded = this.getChunkAtIfLoadedMainThread(i, j);
+ if (ifLoaded != null) {
+ return ifLoaded;
+ }
+ // Paper end
GameProfilerFiller gameprofilerfiller = this.world.getMethodProfiler();
gameprofilerfiller.c("getChunk");
@@ -520,39 +526,7 @@ public class ChunkProviderServer extends IChunkProvider {
if (Thread.currentThread() != this.serverThread) {
return null;
} else {
- this.world.getMethodProfiler().c("getChunkNow");
- long k = ChunkCoordIntPair.pair(i, j);
-
- for (int l = 0; l < 4; ++l) {
- if (k == this.cachePos[l] && this.cacheStatus[l] == ChunkStatus.FULL) {
- IChunkAccess ichunkaccess = this.cacheChunk[l];
-
- return ichunkaccess instanceof Chunk ? (Chunk) ichunkaccess : null;
- }
- }
-
- PlayerChunk playerchunk = this.getChunk(k);
-
- if (playerchunk == null) {
- return null;
- } else {
- Either<IChunkAccess, PlayerChunk.Failure> either = (Either) playerchunk.b(ChunkStatus.FULL).getNow(null); // CraftBukkit - decompile error
-
- if (either == null) {
- return null;
- } else {
- IChunkAccess ichunkaccess1 = (IChunkAccess) either.left().orElse(null); // CraftBukkit - decompile error
-
- if (ichunkaccess1 != null) {
- this.a(k, ichunkaccess1, ChunkStatus.FULL);
- if (ichunkaccess1 instanceof Chunk) {
- return (Chunk) ichunkaccess1;
- }
- }
-
- return null;
- }
- }
+ return this.getChunkAtIfLoadedMainThread(i, j); // Paper - optimise for loaded chunks
}
}