38dc3b25d8
When per-player mob spawning is enabled we do not need to randomly shuffle the chunk list. Additionally, we can use the NearbyPlayers class to quickly retrieve nearby players instead of possible searching all players on the server.
66 lines
3 KiB
Diff
66 lines
3 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 b73d45c205db39ed3e97a127e53371db81e0d63f..ab1a45f30930408a3e3c7172169ff648643ba54d 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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@@ -270,6 +270,12 @@ 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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@@ -313,39 +319,7 @@ public class ServerChunkCache extends ChunkSource {
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if (!io.papermc.paper.util.TickThread.isTickThread()) { // Paper - rewrite chunk system
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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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