geforkt von Mirrors/Paper
c03e56be67
Our improved hopper checking system should provide a better benefit without as many vanilla behavior issues.
47 Zeilen
1.8 KiB
Diff
47 Zeilen
1.8 KiB
Diff
From 76004dc47689f92b507e3921fb05f2959e793918 Mon Sep 17 00:00:00 2001
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From: Aikar <aikar@aikar.co>
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Date: Thu, 27 Aug 2015 01:15:02 -0400
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Subject: [PATCH] Optimize Chunk Access
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getting a loaded chunk is one of the most hottest pieces of code in the game.
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getChunkAt is called for the same chunk multiple times in a row, often from getType();
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Optimize this look up by using a Last Access cache.
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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 299cc91..9077696 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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@@ -26,7 +26,27 @@ public class ChunkProviderServer implements IChunkProvider {
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public final Set<Long> unloadQueue = Sets.newHashSet();
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public final ChunkGenerator chunkGenerator;
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private final IChunkLoader chunkLoader;
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- public final Long2ObjectMap<Chunk> chunks = new Long2ObjectOpenHashMap(8192);
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+ // Paper start
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+ protected Chunk lastChunkByPos = null;
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+ public Long2ObjectOpenHashMap<Chunk> chunks = new Long2ObjectOpenHashMap<Chunk>(8192) {
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+
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+ @Override
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+ public Chunk get(long key) {
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+ if (lastChunkByPos != null && key == lastChunkByPos.chunkKey) {
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+ return lastChunkByPos;
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+ }
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+ return lastChunkByPos = super.get(key);
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+ }
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+
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+ @Override
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+ public Chunk remove(long key) {
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+ if (lastChunkByPos != null && key == lastChunkByPos.chunkKey) {
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+ lastChunkByPos = null;
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+ }
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+ return super.remove(key);
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+ }
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+ }; // CraftBukkit
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+ // Paper end
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public final WorldServer world;
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public ChunkProviderServer(WorldServer worldserver, IChunkLoader ichunkloader, ChunkGenerator chunkgenerator) {
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--
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2.9.0
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