testserver/patches/server/0736-Fix-chunks-refusing-to...

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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Spottedleaf <Spottedleaf@users.noreply.github.com>
Date: Mon, 1 Feb 2021 15:35:14 -0800
Subject: [PATCH] Fix chunks refusing to unload at low TPS
The full chunk future is appended to the chunk save future, but
when moving to unloaded ticket level it is not being completed with
the empty chunk access, so the chunk save must wait for the full
chunk future to complete. We can simply schedule to the immediate
executor to get this effect, rather than the main mailbox.
diff --git a/src/main/java/net/minecraft/server/level/ChunkMap.java b/src/main/java/net/minecraft/server/level/ChunkMap.java
index ea0e86c3eb124a3ea10276776bfc9f32f4079792..01f95016dc8974db6d6fc09f54294673d83c2297 100644
--- a/src/main/java/net/minecraft/server/level/ChunkMap.java
+++ b/src/main/java/net/minecraft/server/level/ChunkMap.java
@@ -1272,9 +1272,7 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
return chunk;
});
- }, (runnable) -> {
- this.mainThreadMailbox.tell(ChunkTaskPriorityQueueSorter.message(holder, runnable));
- });
+ }, this.mainThreadExecutor); // Paper - queue to execute immediately so this doesn't delay chunk unloading
}
public int getTickingGenerated() {