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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.
35 lines
1.8 KiB
Diff
35 lines
1.8 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Aikar <aikar@aikar.co>
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Date: Mon, 21 Dec 2020 11:01:42 -0500
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Subject: [PATCH] Optimize Dynamic#get Missing Keys
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get was calling toString() on every NBT object that was ever asked for an optional
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key from the object to build a string for the error text.
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When done on large NBT objects, this was using a ton of computation time building the
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JSON representation of the NBT object.
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Now we will just skip the value when 99.9999% of the time the text is never even printed.
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diff --git a/src/main/java/com/mojang/serialization/Dynamic.java b/src/main/java/com/mojang/serialization/Dynamic.java
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index d73bb05272d69471644b28f8c704a3bfceca72c2..8b4ea53b891bb7a5ceb791c4afaaf33814d9b6f6 100644
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--- a/src/main/java/com/mojang/serialization/Dynamic.java
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+++ b/src/main/java/com/mojang/serialization/Dynamic.java
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@@ -19,6 +19,7 @@ import java.util.stream.Stream;
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@SuppressWarnings("unused")
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public class Dynamic<T> extends DynamicLike<T> {
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+ private static final boolean DEBUG_MISSING_KEYS = Boolean.getBoolean("Paper.debugDynamicMissingKeys"); // Paper - Perf: Skip toString on values like NBT
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private final T value;
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public Dynamic(final DynamicOps<T> ops) {
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@@ -120,7 +121,7 @@ public class Dynamic<T> extends DynamicLike<T> {
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return new OptionalDynamic<>(ops, ops.getMap(value).flatMap(m -> {
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final T value = m.get(key);
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if (value == null) {
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- return DataResult.error(() -> "key missing: " + key + " in " + this.value);
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+ return DataResult.error(() -> DEBUG_MISSING_KEYS ? "key missing: " + key + " in " + this.value : "key missing: " + key); // Paper - Perf: Skip toString on values like NBT
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}
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return DataResult.success(new Dynamic<>(ops, value));
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}));
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