00be0b7b30
Upstream has released updates that appear to apply and compile correctly. This update has not been tested by PaperMC and as with ANY update, please do your own testing Bukkit Changes: d25437bc Update to Minecraft 1.18-pre8 CraftBukkit Changes: 5a39a236 Update to Minecraft 1.18-pre8 Spigot Changes: 7840c2af Update to Minecraft 1.18-pre8
67 lines
2.9 KiB
Diff
67 lines
2.9 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: 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/level/ServerChunkCache.java b/src/main/java/net/minecraft/server/level/ServerChunkCache.java
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index dd0237a92a02d3239119234b3ef74328ce8e5b92..3156badcef61c028df3e78e97019093c9ac01cb4 100644
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--- a/src/main/java/net/minecraft/server/level/ServerChunkCache.java
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+++ b/src/main/java/net/minecraft/server/level/ServerChunkCache.java
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@@ -612,6 +612,12 @@ public class ServerChunkCache extends ChunkSource {
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return this.getChunk(x, z, leastStatus, create);
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}, this.mainThreadProcessor).join();
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} else {
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+ // Paper start - optimise for loaded chunks
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+ LevelChunk ifLoaded = this.getChunkAtIfLoadedMainThread(x, z);
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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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ProfilerFiller gameprofilerfiller = this.level.getProfiler();
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gameprofilerfiller.incrementCounter("getChunk");
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@@ -663,39 +669,7 @@ public class ServerChunkCache extends ChunkSource {
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if (Thread.currentThread() != this.mainThread) {
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return null;
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} else {
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- this.level.getProfiler().incrementCounter("getChunkNow");
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- long k = ChunkPos.asLong(chunkX, chunkZ);
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-
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- for (int l = 0; l < 4; ++l) {
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- if (k == this.lastChunkPos[l] && this.lastChunkStatus[l] == ChunkStatus.FULL) {
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- ChunkAccess ichunkaccess = this.lastChunk[l];
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-
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- return ichunkaccess instanceof LevelChunk ? (LevelChunk) ichunkaccess : null;
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- }
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- }
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-
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- ChunkHolder playerchunk = this.getVisibleChunkIfPresent(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<ChunkAccess, ChunkHolder.ChunkLoadingFailure> either = (Either) playerchunk.getFutureIfPresent(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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- ChunkAccess ichunkaccess1 = (ChunkAccess) either.left().orElse(null); // CraftBukkit - decompile error
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-
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- if (ichunkaccess1 != null) {
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- this.storeInCache(k, ichunkaccess1, ChunkStatus.FULL);
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- if (ichunkaccess1 instanceof LevelChunk) {
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- return (LevelChunk) 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(chunkX, chunkZ); // Paper - optimise for loaded chunks
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}
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}
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