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Paper/patches/server/1012-Fix-SculkBloomEvent-firing-for-block-entity-loading.patch
Spottedleaf 8c5b837e05 Rework async chunk api implementation
Firstly, the old methods all routed to the CompletableFuture method.
However, the CF method could not guarantee that if the caller
was off-main that the future would be "completed" on-main. Since
the callback methods used the CF one, this meant that the callback
methods did not guarantee that the callbacks were to be called on
the main thread.

Now, all methods route to getChunkAtAsync(x, z, gen, urgent, cb)
so that the methods with the callback are guaranteed to invoke
the callback on the main thread. The CF behavior remains unchanged;
it may still appear to complete on main if invoked off-main.

Secondly, remove the scheduleOnMain invocation in the async
chunk completion. This unnecessarily delays the callback
by 1 tick.

Thirdly, add getChunksAtAsync(minX, minZ, maxX, maxZ, ...) which
will load chunks within an area. This method is provided as a helper
as keeping all chunks loaded within an area can be complicated to
implement for plugins (due to the lacking ticket API), and is
already implemented internally anyways.

Fourthly, remove the ticket addition that occured with getChunkAt
and getChunkAtAsync. The ticket addition may delay the unloading
of the chunk unnecessarily. It also fixes a very rare timing bug
where the future/callback would be completed after the chunk
unloads.
2024-11-18 23:00:59 -08:00

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Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Jake Potrebic <jake.m.potrebic@gmail.com>
Date: Mon, 19 Aug 2024 13:43:06 -0700
Subject: [PATCH] Fix SculkBloomEvent firing for block entity loading
diff --git a/src/main/java/net/minecraft/world/level/block/SculkSpreader.java b/src/main/java/net/minecraft/world/level/block/SculkSpreader.java
index b9a1709b79c1f7a21c9d08f986d4ea3b546e4a67..24590d131587c4e1def920333140b1575f9d7471 100644
--- a/src/main/java/net/minecraft/world/level/block/SculkSpreader.java
+++ b/src/main/java/net/minecraft/world/level/block/SculkSpreader.java
@@ -126,7 +126,7 @@ public class SculkSpreader {
int i = Math.min(list.size(), 32);
for (int j = 0; j < i; ++j) {
- this.addCursor((SculkSpreader.ChargeCursor) list.get(j));
+ this.addCursor((SculkSpreader.ChargeCursor) list.get(j), false); // Paper - don't fire event for block entity loading
}
}
@@ -146,16 +146,16 @@ public class SculkSpreader {
while (charge > 0) {
int j = Math.min(charge, 1000);
- this.addCursor(new SculkSpreader.ChargeCursor(pos, j));
+ this.addCursor(new SculkSpreader.ChargeCursor(pos, j), true); // Paper - allow firing event for other causes
charge -= j;
}
}
- private void addCursor(SculkSpreader.ChargeCursor cursor) {
+ private void addCursor(SculkSpreader.ChargeCursor cursor, boolean fireEvent) { // Paper - add boolean to conditionally fire SculkBloomEvent
if (this.cursors.size() < 32) {
// CraftBukkit start
- if (!this.isWorldGeneration()) { // CraftBukkit - SPIGOT-7475: Don't call event during world generation
+ if (!this.isWorldGeneration() && fireEvent) { // CraftBukkit - SPIGOT-7475: Don't call event during world generation // Paper - add boolean to conditionally fire SculkBloomEvent
CraftBlock bukkitBlock = CraftBlock.at(this.level, cursor.pos);
SculkBloomEvent event = new SculkBloomEvent(bukkitBlock, cursor.getCharge());
Bukkit.getPluginManager().callEvent(event);