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35 lines
1.7 KiB
Diff
35 lines
1.7 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Spottedleaf <Spottedleaf@users.noreply.github.com>
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Date: Sun, 20 Sep 2020 16:10:49 -0700
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Subject: [PATCH] Make sure inlined getChunkAt has inlined logic for loaded
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chunks
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Tux did some profiling some time ago and showed that the
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previous getChunkAt method which had inlined logic for loaded
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chunks did get inlined, but the standard CPS.getChunkAt
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method was not inlined.
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Paper recently reverted this optimisation, so it's been reintroduced
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here.
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diff --git a/src/main/java/net/minecraft/world/level/Level.java b/src/main/java/net/minecraft/world/level/Level.java
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index 0e679bbbc000c32b840e5f3155a3c275216b20b5..58394bbf228f96f717e5318cd016caf9d2f09343 100644
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--- a/src/main/java/net/minecraft/world/level/Level.java
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+++ b/src/main/java/net/minecraft/world/level/Level.java
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@@ -458,6 +458,15 @@ public abstract class Level implements LevelAccessor, AutoCloseable {
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@Override
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public final LevelChunk getChunk(int chunkX, int chunkZ) { // Paper - final to help inline
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+ // Paper start - make sure loaded chunks get the inlined variant of this function
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+ net.minecraft.server.level.ServerChunkCache cps = ((ServerLevel)this).getChunkSource();
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+ if (cps.mainThread == Thread.currentThread()) {
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+ LevelChunk ifLoaded = cps.getChunkAtIfLoadedMainThread(chunkX, chunkZ);
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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 - make sure loaded chunks get the inlined variant of this function
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return (LevelChunk) this.getChunk(chunkX, chunkZ, ChunkStatus.FULL, true); // Paper - avoid a method jump
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}
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