PaperMC/patches/server/0341-Optimise-getChunkAt-calls-for-loaded-chunks.patch
Jake Potrebic de04cbced5
Updated Upstream (Bukkit/CraftBukkit) (#10034)
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:
f29cb801 Separate checkstyle-suppressions file is not required
86f99bbe SPIGOT-7540, PR-946: Add ServerTickManager API
d4119585 SPIGOT-6903, PR-945: Add BlockData#getMapColor
b7a2ed41 SPIGOT-7530, PR-947: Add Player#removeResourcePack
9dd56255 SPIGOT-7527, PR-944: Add WindCharge#explode()
994a6163 Attempt upgrade of resolver libraries

CraftBukkit Changes:
b3b43a6ad Add Checkstyle check for unused imports
13fb3358e SPIGOT-7544: Scoreboard#getEntries() doesn't get entries but class names
3dda99c06 SPIGOT-7540, PR-1312: Add ServerTickManager API
2ab4508c0 SPIGOT-6903, PR-1311: Add BlockData#getMapColor
1dbdbbed4 PR-1238: Remove unnecessary sign ticking
659728d2a MC-264285, SPIGOT-7439, PR-1237: Fix unbreakable flint and steel is completely consumed while igniting creeper
e37e29ce0 Increase outdated build delay
c00438b39 SPIGOT-7530, PR-1313: Add Player#removeResourcePack
492dd80ce SPIGOT-7527, PR-1310: Add WindCharge#explode()
e11fbb9d7 Upgrade MySQL driver
9f3a0bd2a Attempt upgrade of resolver libraries
60d16d7ca PR-1306: Centralize Bukkit and Minecraft entity conversion

Spigot Changes:
06d602e7 Rebuild patches
2023-12-16 18:09:28 -08:00

66 lines
3 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Spottedleaf <Spottedleaf@users.noreply.github.com>
Date: Sat, 25 Jan 2020 17:04:35 -0800
Subject: [PATCH] Optimise getChunkAt calls for loaded chunks
bypass the need to get a player chunk, then get the either,
then unwrap it...
diff --git a/src/main/java/net/minecraft/server/level/ServerChunkCache.java b/src/main/java/net/minecraft/server/level/ServerChunkCache.java
index 24d9a2c37db4bbf2585b33d06f5ea57eb2adf356..4039bd5a80bd2305082d21c0fe826f76d8beb4c4 100644
--- a/src/main/java/net/minecraft/server/level/ServerChunkCache.java
+++ b/src/main/java/net/minecraft/server/level/ServerChunkCache.java
@@ -268,6 +268,12 @@ public class ServerChunkCache extends ChunkSource {
return this.getChunk(x, z, leastStatus, create);
}, this.mainThreadProcessor).join();
} else {
+ // Paper start - optimise for loaded chunks
+ LevelChunk ifLoaded = this.getChunkAtIfLoadedMainThread(x, z);
+ if (ifLoaded != null) {
+ return ifLoaded;
+ }
+ // Paper end
ProfilerFiller gameprofilerfiller = this.level.getProfiler();
gameprofilerfiller.incrementCounter("getChunk");
@@ -311,39 +317,7 @@ public class ServerChunkCache extends ChunkSource {
if (!io.papermc.paper.util.TickThread.isTickThread()) { // Paper - rewrite chunk system
return null;
} else {
- this.level.getProfiler().incrementCounter("getChunkNow");
- long k = ChunkPos.asLong(chunkX, chunkZ);
-
- for (int l = 0; l < 4; ++l) {
- if (k == this.lastChunkPos[l] && this.lastChunkStatus[l] == ChunkStatus.FULL) {
- ChunkAccess ichunkaccess = this.lastChunk[l];
-
- return ichunkaccess instanceof LevelChunk ? (LevelChunk) ichunkaccess : null;
- }
- }
-
- ChunkHolder playerchunk = this.getVisibleChunkIfPresent(k);
-
- if (playerchunk == null) {
- return null;
- } else {
- Either<ChunkAccess, ChunkHolder.ChunkLoadingFailure> either = (Either) playerchunk.getFutureIfPresent(ChunkStatus.FULL).getNow(null); // CraftBukkit - decompile error
-
- if (either == null) {
- return null;
- } else {
- ChunkAccess ichunkaccess1 = (ChunkAccess) either.left().orElse(null); // CraftBukkit - decompile error
-
- if (ichunkaccess1 != null) {
- this.storeInCache(k, ichunkaccess1, ChunkStatus.FULL);
- if (ichunkaccess1 instanceof LevelChunk) {
- return (LevelChunk) ichunkaccess1;
- }
- }
-
- return null;
- }
- }
+ return this.getChunkAtIfLoadedMainThread(chunkX, chunkZ); // Paper - optimise for loaded chunks
}
}