Paper/patches/server/0322-ChunkMapDistance-CME.patch
Spottedleaf 26ea0402d8 i really really really really really really really really really really really really really really really really really really really really really really really really really really really really really really really really really really really really really really really really really really really really really really really really really really really really really really really really really really really really really really really really really really really really really really really really really really really really really really really really really really really really really really really really really really really really really really really really really really really really really really really really really really really really really really really really really really really really really really really really really really really really really really really really really really really really really really really really really really really 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2022-06-07 19:25:49 -07:00

85 lines
4.4 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Shane Freeder <theboyetronic@gmail.com>
Date: Wed, 29 May 2019 04:01:22 +0100
Subject: [PATCH] ChunkMapDistance CME
diff --git a/src/main/java/net/minecraft/server/level/ChunkHolder.java b/src/main/java/net/minecraft/server/level/ChunkHolder.java
index 90fcb4dc89643b1c706ea4554595a842198558a1..6e7d09cd48048957a14835b857ac708aafe8f664 100644
--- a/src/main/java/net/minecraft/server/level/ChunkHolder.java
+++ b/src/main/java/net/minecraft/server/level/ChunkHolder.java
@@ -73,6 +73,7 @@ public class ChunkHolder {
private boolean resendLight;
private CompletableFuture<Void> pendingFullStateConfirmation;
+ boolean isUpdateQueued = false; // Paper
private final ChunkMap chunkMap; // Paper
public ChunkHolder(ChunkPos pos, int level, LevelHeightAccessor world, LevelLightEngine lightingProvider, ChunkHolder.LevelChangeListener levelUpdateListener, ChunkHolder.PlayerProvider playersWatchingChunkProvider) {
diff --git a/src/main/java/net/minecraft/server/level/DistanceManager.java b/src/main/java/net/minecraft/server/level/DistanceManager.java
index ab785bfc29c0b120b7c6fed2d15460c86e020291..1e066a35b53b1f71a0e6376a22d51fc4c0a412dc 100644
--- a/src/main/java/net/minecraft/server/level/DistanceManager.java
+++ b/src/main/java/net/minecraft/server/level/DistanceManager.java
@@ -52,7 +52,16 @@ public abstract class DistanceManager {
private final DistanceManager.FixedPlayerDistanceChunkTracker naturalSpawnChunkCounter = new DistanceManager.FixedPlayerDistanceChunkTracker(8);
private final TickingTracker tickingTicketsTracker = new TickingTracker();
private final DistanceManager.PlayerTicketTracker playerTicketManager = new DistanceManager.PlayerTicketTracker(33);
- final Set<ChunkHolder> chunksToUpdateFutures = Sets.newHashSet();
+ // Paper start use a queue, but still keep unique requirement
+ public final java.util.Queue<ChunkHolder> pendingChunkUpdates = new java.util.ArrayDeque<ChunkHolder>() {
+ @Override
+ public boolean add(ChunkHolder o) {
+ if (o.isUpdateQueued) return true;
+ o.isUpdateQueued = true;
+ return super.add(o);
+ }
+ };
+ // Paper end
final ChunkTaskPriorityQueueSorter ticketThrottler;
final ProcessorHandle<ChunkTaskPriorityQueueSorter.Message<Runnable>> ticketThrottlerInput;
final ProcessorHandle<ChunkTaskPriorityQueueSorter.Release> ticketThrottlerReleaser;
@@ -127,26 +136,14 @@ public abstract class DistanceManager {
;
}
- if (!this.chunksToUpdateFutures.isEmpty()) {
- // CraftBukkit start
- // Iterate pending chunk updates with protection against concurrent modification exceptions
- java.util.Iterator<ChunkHolder> iter = this.chunksToUpdateFutures.iterator();
- int expectedSize = this.chunksToUpdateFutures.size();
- do {
- ChunkHolder playerchunk = iter.next();
- iter.remove();
- expectedSize--;
-
- playerchunk.updateFutures(chunkStorage, this.mainThreadExecutor);
-
- // Reset iterator if set was modified using add()
- if (this.chunksToUpdateFutures.size() != expectedSize) {
- expectedSize = this.chunksToUpdateFutures.size();
- iter = this.chunksToUpdateFutures.iterator();
- }
- } while (iter.hasNext());
- // CraftBukkit end
-
+ // Paper start
+ if (!this.pendingChunkUpdates.isEmpty()) {
+ while(!this.pendingChunkUpdates.isEmpty()) {
+ ChunkHolder remove = this.pendingChunkUpdates.remove();
+ remove.isUpdateQueued = false;
+ remove.updateFutures(chunkStorage, this.mainThreadExecutor);
+ }
+ // Paper end
return true;
} else {
if (!this.ticketsToRelease.isEmpty()) {
@@ -471,7 +468,7 @@ public abstract class DistanceManager {
if (k != level) {
playerchunk = DistanceManager.this.updateChunkScheduling(id, level, playerchunk, k);
if (playerchunk != null) {
- DistanceManager.this.chunksToUpdateFutures.add(playerchunk);
+ DistanceManager.this.pendingChunkUpdates.add(playerchunk);
}
}