geforkt von Mirrors/Paper
d16a5d8813
Prereq changes for the coming storm of performance patches. Includes optimising incremental saving
89 Zeilen
3.6 KiB
Diff
89 Zeilen
3.6 KiB
Diff
From 17c2e5b74e4cb8b5317863e8e7b17a96b93efef3 Mon Sep 17 00:00:00 2001
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From: Spottedleaf <Spottedleaf@users.noreply.github.com>
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Date: Sat, 25 Jan 2020 17:04:35 -0800
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Subject: [PATCH] Optimise getChunkAt calls for loaded chunks
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bypass the need to get a player chunk, then get the either,
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then unwrap it...
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diff --git a/src/main/java/net/minecraft/server/ChunkProviderServer.java b/src/main/java/net/minecraft/server/ChunkProviderServer.java
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index 72919e4c64..42c559ad4f 100644
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--- a/src/main/java/net/minecraft/server/ChunkProviderServer.java
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+++ b/src/main/java/net/minecraft/server/ChunkProviderServer.java
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@@ -356,6 +356,12 @@ public class ChunkProviderServer extends IChunkProvider {
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return this.getChunkAt(i, j, chunkstatus, flag);
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}, this.serverThreadQueue).join();
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} else {
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+ // Paper start - optimise for loaded chunks
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+ Chunk ifLoaded = this.getChunkAtIfLoadedMainThread(i, j);
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+ if (ifLoaded != null) {
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+ return ifLoaded;
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+ }
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+ // Paper end
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GameProfilerFiller gameprofilerfiller = this.world.getMethodProfiler();
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gameprofilerfiller.c("getChunk");
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@@ -406,39 +412,7 @@ public class ChunkProviderServer extends IChunkProvider {
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if (Thread.currentThread() != this.serverThread) {
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return null;
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} else {
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- this.world.getMethodProfiler().c("getChunkNow");
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- long k = ChunkCoordIntPair.pair(i, j);
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-
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- for (int l = 0; l < 4; ++l) {
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- if (k == this.cachePos[l] && this.cacheStatus[l] == ChunkStatus.FULL) {
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- IChunkAccess ichunkaccess = this.cacheChunk[l];
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-
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- return ichunkaccess instanceof Chunk ? (Chunk) ichunkaccess : null;
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- }
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- }
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-
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- PlayerChunk playerchunk = this.getChunk(k);
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-
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- if (playerchunk == null) {
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- return null;
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- } else {
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- Either<IChunkAccess, PlayerChunk.Failure> either = (Either) playerchunk.b(ChunkStatus.FULL).getNow(null); // Craftbukkit - decompile error
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-
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- if (either == null) {
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- return null;
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- } else {
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- IChunkAccess ichunkaccess1 = (IChunkAccess) either.left().orElse(null); // Craftbukkit - decompile error
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-
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- if (ichunkaccess1 != null) {
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- this.a(k, ichunkaccess1, ChunkStatus.FULL);
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- if (ichunkaccess1 instanceof Chunk) {
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- return (Chunk) ichunkaccess1;
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- }
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- }
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-
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- return null;
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- }
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- }
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+ return this.getChunkAtIfLoadedMainThread(i, j); // Paper - optimise for loaded chunks
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}
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}
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diff --git a/src/main/java/net/minecraft/server/World.java b/src/main/java/net/minecraft/server/World.java
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index 8a2bb79ad9..abd8b751ba 100644
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--- a/src/main/java/net/minecraft/server/World.java
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+++ b/src/main/java/net/minecraft/server/World.java
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@@ -271,6 +271,14 @@ public abstract class World implements GeneratorAccess, AutoCloseable {
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@Override
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public Chunk getChunkAt(int i, int j) {
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+ // Paper start - optimise this for loaded chunks
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+ if (Thread.currentThread() == this.serverThread) {
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+ Chunk ifLoaded = ((WorldServer) this).getChunkProvider().getChunkAtIfLoadedMainThread(i, j);
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+ if (ifLoaded != null) {
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+ return ifLoaded;
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+ }
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+ }
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+ // Paper end
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return (Chunk) this.getChunkAt(i, j, ChunkStatus.FULL);
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}
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--
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2.25.0.windows.1
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