papermc/patches/server/0731-Do-not-allow-ticket-level-changes-while-unloading-pl.patch
Jake Potrebic 7fa8870043
Updated Upstream (Bukkit/CraftBukkit) (#7672)
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:
7902647a PR-737: Update WorldCreator#generatorSettings docs
67556a50 PR-736: Update README

CraftBukkit Changes:
10922194 Java 18 support
d53c4fb6 PR-1039: Use correct ops in GeneratorSettings
a567e4ae PR-1038: Removed the no longer needed getChunkUnchecked method from ChunkProviderServer.
4ac8fcce SPIGOT-6980: Since 1.18.2, World#isChunkLoaded returned false for chunks that have just been loaded (e.g. inside ChunkLoadEvent).
e6cc7c70 PR-1035: Update README
3ec79a27 SPIGOT-5140: Call EntityChangeBlockEvent when a ChorusFlower is destroyed by a projectile
2022-03-29 10:32:18 +02:00

62 lines
4.3 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Spottedleaf <spottedleaf@spottedleaf.dev>
Date: Sat, 19 Sep 2020 15:29:16 -0700
Subject: [PATCH] Do not allow ticket level changes while unloading
playerchunks
Sync loading the chunk at this stage would cause it to load
older data, as well as screwing our region state.
diff --git a/src/main/java/net/minecraft/server/level/ChunkMap.java b/src/main/java/net/minecraft/server/level/ChunkMap.java
index 971a31641ec33a80f45e507944fa4cd90bfc466a..5d60fa26e9f5d3c9c57a61c509d5b924bbed3281 100644
--- a/src/main/java/net/minecraft/server/level/ChunkMap.java
+++ b/src/main/java/net/minecraft/server/level/ChunkMap.java
@@ -313,6 +313,7 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
}
// Paper end
+ boolean unloadingPlayerChunk = false; // Paper - do not allow ticket level changes while unloading chunks
public ChunkMap(ServerLevel world, LevelStorageSource.LevelStorageAccess session, DataFixer dataFixer, StructureManager structureManager, Executor executor, BlockableEventLoop<Runnable> mainThreadExecutor, LightChunkGetter chunkProvider, ChunkGenerator chunkGenerator, ChunkProgressListener worldGenerationProgressListener, ChunkStatusUpdateListener chunkStatusChangeListener, Supplier<DimensionDataStorage> persistentStateManagerFactory, int viewDistance, boolean dsync) {
super(session.getDimensionPath(world.dimension()).resolve("region"), dataFixer, dsync);
this.visibleChunkMap = this.updatingChunkMap.clone();
@@ -707,6 +708,7 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
@Nullable
ChunkHolder updateChunkScheduling(long pos, int level, @Nullable ChunkHolder holder, int k) {
+ if (this.unloadingPlayerChunk) { net.minecraft.server.MinecraftServer.LOGGER.error("Cannot tick distance manager while unloading playerchunks", new Throwable()); throw new IllegalStateException("Cannot tick distance manager while unloading playerchunks"); } // Paper
if (k > ChunkMap.MAX_CHUNK_DISTANCE && level > ChunkMap.MAX_CHUNK_DISTANCE) {
return holder;
} else {
@@ -910,6 +912,12 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
if (completablefuture1 != completablefuture) {
this.scheduleUnload(pos, holder);
} else {
+ // Paper start - do not allow ticket level changes while unloading chunks
+ org.spigotmc.AsyncCatcher.catchOp("playerchunk unload");
+ boolean unloadingBefore = this.unloadingPlayerChunk;
+ this.unloadingPlayerChunk = true;
+ try {
+ // Paper end - do not allow ticket level changes while unloading chunks
// Paper start
boolean removed;
if ((removed = this.pendingUnloads.remove(pos, holder)) && ichunkaccess != null) {
@@ -947,6 +955,7 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
this.regionManagers.get(index).removeChunk(holder.pos.x, holder.pos.z);
}
} // Paper end
+ } finally { this.unloadingPlayerChunk = unloadingBefore; } // Paper - do not allow ticket level changes while unloading chunks
}
};
diff --git a/src/main/java/net/minecraft/server/level/ServerChunkCache.java b/src/main/java/net/minecraft/server/level/ServerChunkCache.java
index b338abc1bd96e1bb5e90ed7594504c4e41f94eff..4b4952d632845fad5dd61c345dc5dba79a7ee209 100644
--- a/src/main/java/net/minecraft/server/level/ServerChunkCache.java
+++ b/src/main/java/net/minecraft/server/level/ServerChunkCache.java
@@ -808,6 +808,7 @@ public class ServerChunkCache extends ChunkSource {
public boolean runDistanceManagerUpdates() {
if (distanceManager.delayDistanceManagerTick) return false; // Paper - Chunk priority
+ if (this.chunkMap.unloadingPlayerChunk) { LOGGER.error("Cannot tick distance manager while unloading playerchunks", new Throwable()); throw new IllegalStateException("Cannot tick distance manager while unloading playerchunks"); } // Paper
boolean flag = this.distanceManager.runAllUpdates(this.chunkMap);
boolean flag1 = this.chunkMap.promoteChunkMap();