testserver/patches/removed/1.19.2-legacy-chunksystem/0725-Do-not-allow-ticket-le...

63 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 a3fceb2608b3be80941dfe2570999b270429e0c6..b34c90497a5492c289839ba74df9f2f27e29370e 100644
--- a/src/main/java/net/minecraft/server/level/ChunkMap.java
+++ b/src/main/java/net/minecraft/server/level/ChunkMap.java
@@ -316,6 +316,7 @@ 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, StructureTemplateManager structureTemplateManager, 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);
// Paper - don't copy
@@ -731,6 +732,7 @@ 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 {
@@ -945,6 +947,12 @@ 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) {
@@ -978,6 +986,7 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
} else if (removed) { // Paper start
net.minecraft.server.ChunkSystem.onChunkHolderDelete(this.level, holder);
} // 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 f3ab1691948c46477888776d28791ce24e7aa93d..29ba8971ceffbac68290f6063a69c98065e9bcba 100644
--- a/src/main/java/net/minecraft/server/level/ServerChunkCache.java
+++ b/src/main/java/net/minecraft/server/level/ServerChunkCache.java
@@ -632,6 +632,7 @@ 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();