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61 lines
2.7 KiB
Diff
61 lines
2.7 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: 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 d4eb7608a3e40d2da4c427e9b3a2ce916be86df1..43e01db5314452c194d2809fdc6a71c6fb42d8d2 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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@@ -191,6 +191,12 @@ 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 - Perf: Optimise getChunkAt calls 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 - Perf: Optimise getChunkAt calls for loaded chunks
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ProfilerFiller gameprofilerfiller = Profiler.get();
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gameprofilerfiller.incrementCounter("getChunk");
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@@ -230,33 +236,7 @@ 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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- Profiler.get().incrementCounter("getChunkNow");
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- long k = ChunkPos.asLong(chunkX, chunkZ);
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-
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- ChunkAccess ichunkaccess;
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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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- ichunkaccess = this.lastChunk[l];
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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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- ichunkaccess = playerchunk.getChunkIfPresent(ChunkStatus.FULL);
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- if (ichunkaccess != null) {
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- this.storeInCache(k, ichunkaccess, ChunkStatus.FULL);
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- if (ichunkaccess instanceof LevelChunk) {
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- return (LevelChunk) ichunkaccess;
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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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+ return this.getChunkAtIfLoadedMainThread(chunkX, chunkZ); // Paper - Perf: Optimise getChunkAt calls for loaded chunks
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}
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}
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