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8c5b837e05
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.
52 lines
2.5 KiB
Diff
52 lines
2.5 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Paul Sauve <paul@technove.co>
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Date: Sun, 9 May 2021 16:49:49 -0500
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Subject: [PATCH] Use array for gamerule storage
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diff --git a/src/main/java/net/minecraft/world/level/GameRules.java b/src/main/java/net/minecraft/world/level/GameRules.java
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index 09299e45552eb998fd02123c3921c0653f85083d..4ae47c2c5a6bcfbf932d000a80974463e2d3818d 100644
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--- a/src/main/java/net/minecraft/world/level/GameRules.java
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+++ b/src/main/java/net/minecraft/world/level/GameRules.java
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@@ -129,6 +129,7 @@ public class GameRules {
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}));
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private final Map<GameRules.Key<?>, GameRules.Value<?>> rules;
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private final FeatureFlagSet enabledFeatures;
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+ private final GameRules.Value<?>[] gameruleArray; // Paper - Perf: Use array for gamerule storage
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private static <T extends GameRules.Value<T>> GameRules.Key<T> register(String name, GameRules.Category category, GameRules.Type<T> type) {
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GameRules.Key<T> gamerules_gamerulekey = new GameRules.Key<>(name, category);
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@@ -161,10 +162,21 @@ public class GameRules {
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private GameRules(Map<GameRules.Key<?>, GameRules.Value<?>> rules, FeatureFlagSet enabledFeatures) {
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this.rules = rules;
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this.enabledFeatures = enabledFeatures;
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+
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+ // Paper start - Perf: Use array for gamerule storage
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+ int arraySize = GameRules.Key.lastGameRuleIndex + 1;
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+ GameRules.Value<?>[] values = new GameRules.Value[arraySize];
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+
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+ for (Entry<GameRules.Key<?>, GameRules.Value<?>> entry : rules.entrySet()) {
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+ values[entry.getKey().gameRuleIndex] = entry.getValue();
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+ }
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+
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+ this.gameruleArray = values;
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+ // Paper end - Perf: Use array for gamerule storage
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}
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public <T extends GameRules.Value<T>> T getRule(GameRules.Key<T> key) {
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- T t0 = (T) this.rules.get(key); // CraftBukkit - decompile error
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+ T t0 = key == null ? null : (T) this.gameruleArray[key.gameRuleIndex]; // Paper - Perf: Use array for gamerule storage
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if (t0 == null) {
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throw new IllegalArgumentException("Tried to access invalid game rule");
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@@ -232,6 +244,10 @@ public class GameRules {
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}
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public static final class Key<T extends GameRules.Value<T>> {
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+ // Paper start - Perf: Use array for gamerule storage
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+ public static int lastGameRuleIndex = 0;
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+ public final int gameRuleIndex = lastGameRuleIndex++;
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+ // Paper end - Perf: Use array for gamerule storage
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final String id;
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private final GameRules.Category category;
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