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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.
30 lines
1.4 KiB
Diff
30 lines
1.4 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Josh Roy <joshroy126@gmail.com>
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Date: Mon, 23 Jan 2023 19:19:01 -0500
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Subject: [PATCH] Remove CraftItemStack#setAmount null assignment
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This creates a problem with Paper's item serialization
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api where deserialized items, which are internally
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created as a CraftItemStack, will be completely lost if
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#setAmount(0) is invoked (since the underlying handle
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is set to null), while a regular Bukkit ItemStack
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simply sets the amount field to zero, retaining the
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item's data.
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Vanilla treats items with zero amounts the same as items
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with less than zero amounts, so this code doesn't create
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a problem with operations on the vanilla ItemStack.
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diff --git a/src/main/java/org/bukkit/craftbukkit/inventory/CraftItemStack.java b/src/main/java/org/bukkit/craftbukkit/inventory/CraftItemStack.java
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index 502be683e8b04a9966043c9bee9d9fe793b12ef5..134db8c2dd72d0651fc889cc8931e7c971f62deb 100644
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--- a/src/main/java/org/bukkit/craftbukkit/inventory/CraftItemStack.java
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+++ b/src/main/java/org/bukkit/craftbukkit/inventory/CraftItemStack.java
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@@ -198,7 +198,7 @@ public final class CraftItemStack extends ItemStack {
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}
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this.handle.setCount(amount);
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- if (amount == 0) {
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+ if (false && amount == 0) { // Paper - remove CraftItemStack#setAmount null assignment
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this.handle = null;
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}
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}
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