PaperMC/Spigot-Server-Patches/0358-ChunkMapDistance-CME.patch
Mariell a0b8b886c8
Updated Upstream (CraftBukkit/Spigot) (#4318)
Upstream has released updates that appears to apply and compile correctly.
This update has not been tested by PaperMC and as with ANY update, please do your own testing

CraftBukkit Changes:
d5a72960 SPIGOT-6063: ConsoleSender sending extra lines in Java 13+

Spigot Changes:
2740d5ae Rebuild patches
2020-09-12 15:57:21 -04:00

83 lines
4.7 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/ChunkMapDistance.java b/src/main/java/net/minecraft/server/ChunkMapDistance.java
index cf68c9105084d1823b5fc76b3f472a0f8ecd9568..d15bf949671c9a533573278d573376282bfed8c8 100644
--- a/src/main/java/net/minecraft/server/ChunkMapDistance.java
+++ b/src/main/java/net/minecraft/server/ChunkMapDistance.java
@@ -33,7 +33,16 @@ public abstract class ChunkMapDistance {
private final ChunkMapDistance.a ticketLevelTracker = new ChunkMapDistance.a();
private final ChunkMapDistance.b f = new ChunkMapDistance.b(8);
private final ChunkMapDistance.c g = new ChunkMapDistance.c(33);
- private final Set<PlayerChunk> pendingChunkUpdates = Sets.newHashSet();
+ // Paper start use a queue, but still keep unique requirement
+ public final java.util.Queue<PlayerChunk> pendingChunkUpdates = new java.util.ArrayDeque<PlayerChunk>() {
+ @Override
+ public boolean add(PlayerChunk o) {
+ if (o.isUpdateQueued) return true;
+ o.isUpdateQueued = true;
+ return super.add(o);
+ }
+ };
+ // Paper end
private final ChunkTaskQueueSorter i;
private final Mailbox<ChunkTaskQueueSorter.a<Runnable>> j;
private final Mailbox<ChunkTaskQueueSorter.b> k;
@@ -94,26 +103,14 @@ public abstract class ChunkMapDistance {
;
}
+ // Paper start
if (!this.pendingChunkUpdates.isEmpty()) {
- // CraftBukkit start
- // Iterate pending chunk updates with protection against concurrent modification exceptions
- java.util.Iterator<PlayerChunk> iter = this.pendingChunkUpdates.iterator();
- int expectedSize = this.pendingChunkUpdates.size();
- do {
- PlayerChunk playerchunk = iter.next();
- iter.remove();
- expectedSize--;
-
- playerchunk.a(playerchunkmap);
-
- // Reset iterator if set was modified using add()
- if (this.pendingChunkUpdates.size() != expectedSize) {
- expectedSize = this.pendingChunkUpdates.size();
- iter = this.pendingChunkUpdates.iterator();
- }
- } while (iter.hasNext());
- // CraftBukkit end
-
+ while(!this.pendingChunkUpdates.isEmpty()) {
+ PlayerChunk remove = this.pendingChunkUpdates.remove();
+ remove.isUpdateQueued = false;
+ remove.a(playerchunkmap);
+ }
+ // Paper end
return true;
} else {
if (!this.l.isEmpty()) {
@@ -366,7 +363,7 @@ public abstract class ChunkMapDistance {
ObjectIterator objectiterator = this.a.long2ByteEntrySet().iterator();
while (objectiterator.hasNext()) {
- it.unimi.dsi.fastutil.longs.Long2ByteMap.Entry it_unimi_dsi_fastutil_longs_long2bytemap_entry = (it.unimi.dsi.fastutil.longs.Long2ByteMap.Entry) objectiterator.next();
+ Long2ByteMap.Entry it_unimi_dsi_fastutil_longs_long2bytemap_entry = (Long2ByteMap.Entry) objectiterator.next(); // Paper - decompile fix
byte b0 = it_unimi_dsi_fastutil_longs_long2bytemap_entry.getByteValue();
long j = it_unimi_dsi_fastutil_longs_long2bytemap_entry.getLongKey();
diff --git a/src/main/java/net/minecraft/server/PlayerChunk.java b/src/main/java/net/minecraft/server/PlayerChunk.java
index 49686f1f39417f8c7d6e0a58fb428fa34335fb0f..3b51e231551306e92cfe8fdf2e4e7777ab45d722 100644
--- a/src/main/java/net/minecraft/server/PlayerChunk.java
+++ b/src/main/java/net/minecraft/server/PlayerChunk.java
@@ -20,6 +20,7 @@ public class PlayerChunk {
private static final CompletableFuture<Either<Chunk, PlayerChunk.Failure>> UNLOADED_CHUNK_FUTURE = CompletableFuture.completedFuture(PlayerChunk.UNLOADED_CHUNK);
private static final List<ChunkStatus> CHUNK_STATUSES = ChunkStatus.a();
private static final PlayerChunk.State[] CHUNK_STATES = PlayerChunk.State.values();
+ boolean isUpdateQueued = false; // Paper
private final AtomicReferenceArray<CompletableFuture<Either<IChunkAccess, PlayerChunk.Failure>>> statusFutures;
private volatile CompletableFuture<Either<Chunk, PlayerChunk.Failure>> fullChunkFuture; private int fullChunkCreateCount; private volatile boolean isFullChunkReady; // Paper - cache chunk ticking stage
private volatile CompletableFuture<Either<Chunk, PlayerChunk.Failure>> tickingFuture; private volatile boolean isTickingReady; // Paper - cache chunk ticking stage