63 lines
4.4 KiB
Diff
63 lines
4.4 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Spottedleaf <spottedleaf@spottedleaf.dev>
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Date: Sat, 19 Sep 2020 15:29:16 -0700
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Subject: [PATCH] Do not allow ticket level changes while unloading
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playerchunks
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Sync loading the chunk at this stage would cause it to load
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older data, as well as screwing our region state.
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diff --git a/src/main/java/net/minecraft/server/level/ChunkMap.java b/src/main/java/net/minecraft/server/level/ChunkMap.java
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index d11c70dc9f65171827190028ebcc4db7331fff20..62d5bfe5912e13bfef4f8e65c9a030e08b2cc4aa 100644
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--- a/src/main/java/net/minecraft/server/level/ChunkMap.java
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+++ b/src/main/java/net/minecraft/server/level/ChunkMap.java
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@@ -336,6 +336,7 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
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}
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// Paper end
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+ boolean unloadingPlayerChunk = false; // Paper - do not allow ticket level changes while unloading chunks
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private final java.util.concurrent.ExecutorService lightThread; // Paper
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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) {
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super(new File(session.getDimensionPath(world.dimension()), "region"), dataFixer, dsync);
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@@ -853,6 +854,7 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
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@Nullable
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ChunkHolder updateChunkScheduling(long pos, int level, @Nullable ChunkHolder holder, int k) {
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+ if (this.unloadingPlayerChunk) { net.minecraft.server.MinecraftServer.LOGGER.fatal("Cannot tick distance manager while unloading playerchunks", new Throwable()); throw new IllegalStateException("Cannot tick distance manager while unloading playerchunks"); } // Paper
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if (k > ChunkMap.MAX_CHUNK_DISTANCE && level > ChunkMap.MAX_CHUNK_DISTANCE) {
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return holder;
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} else {
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@@ -1106,6 +1108,12 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
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if (completablefuture1 != completablefuture) {
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this.scheduleUnload(pos, holder);
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} else {
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+ // Paper start - do not allow ticket level changes while unloading chunks
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+ org.spigotmc.AsyncCatcher.catchOp("playerchunk unload");
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+ boolean unloadingBefore = this.unloadingPlayerChunk;
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+ this.unloadingPlayerChunk = true;
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+ try {
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+ // Paper end - do not allow ticket level changes while unloading chunks
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if (this.pendingUnloads.remove(pos, holder) && ichunkaccess != null) {
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if (ichunkaccess instanceof LevelChunk) {
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((LevelChunk) ichunkaccess).setLoaded(false);
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@@ -1132,6 +1140,7 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
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this.lightEngine.tryScheduleUpdate();
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this.progressListener.onStatusChange(ichunkaccess.getPos(), (ChunkStatus) null);
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}
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+ } finally { this.unloadingPlayerChunk = unloadingBefore; } // Paper - do not allow ticket level changes while unloading chunks
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}
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};
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diff --git a/src/main/java/net/minecraft/server/level/ServerChunkCache.java b/src/main/java/net/minecraft/server/level/ServerChunkCache.java
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index 6b95085a5c8c7b91a326f205e56a978deacbbebd..552d3c27abd582fcd09c8494dc0b796c4fc0291d 100644
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--- a/src/main/java/net/minecraft/server/level/ServerChunkCache.java
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+++ b/src/main/java/net/minecraft/server/level/ServerChunkCache.java
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@@ -680,6 +680,7 @@ public class ServerChunkCache extends ChunkSource {
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public boolean runDistanceManagerUpdates() {
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if (distanceManager.delayDistanceManagerTick) return false; // Paper - Chunk priority
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+ if (this.chunkMap.unloadingPlayerChunk) { net.minecraft.server.MinecraftServer.LOGGER.fatal("Cannot tick distance manager while unloading playerchunks", new Throwable()); throw new IllegalStateException("Cannot tick distance manager while unloading playerchunks"); } // Paper
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boolean flag = this.distanceManager.runAllUpdates(this.chunkMap);
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boolean flag1 = this.chunkMap.promoteChunkMap();
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