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2815224ed9
Upstream has released updates that appear to apply and compile correctly Paper Changes: PaperMC/Paper@3efaf477 Add API for client-side signs (#11903) PaperMC/Paper@a3909f54 [ci/skip] Fix bad format for jd @link (#12581) PaperMC/Paper@7774243d Add plugin details to zip file errors (#12580) PaperMC/Paper@220b57ad Fixs and Improvements for EndermanEscapeEvent (#12570) PaperMC/Paper@b8fe22c9 Do not call EntityRemoveEvent during worldgen (#12588) PaperMC/Paper@ee3b4053 Replace spigot check with generation check PaperMC/Paper@84ee4249 Add Map filled event (#12574) PaperMC/Paper@b9d6ba24 Expose more data for MusicInstrument (#12415) PaperMC/Paper@a033e3b9 Fix ancient player custom name converter
49 lines
3.7 KiB
Diff
49 lines
3.7 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: MrPowerGamerBR <git@mrpowergamerbr.com>
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Date: Thu, 23 Nov 2023 14:36:47 -0300
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Subject: [PATCH] SparklyPaper: Optimize "canSee" checks
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Original project: https://github.com/SparklyPower/SparklyPaper
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The "canSee" checks is in a hot path, invoked by each entity for each player on the server if they are in tracking range, so optimizing it is pretty nice
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First, we change the original "HashMap" to fastutil's "Object2ObjectOpenHashMap", because the containsKey throughput is better
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Then, we add a "isEmpty()" check before attempting to check if the map contains something
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This seems stupid, but it does seem that it improves the performance a bit, and it makes sense, "containsKey(...)" does not attempt to check the map size before attempting to check if the map contains the key
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We also create a "canSee" method tailored for "ChunkMap#updatePlayer()", a method without the equals check (the "updatePlayer()" already checks if the entity is the same entity) because the CraftPlayer's `equals()` check is a *bit* expensive compared to only checking the object's identity, and because the identity has already been check, we don't need to check it twice.
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diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
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index 03c93d7f17a0c5440cb1d8078e3e241cbd1f1c41..cab15624afaeaca5d69206a0b7fff5da54e5ef29 100644
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--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
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+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
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@@ -216,7 +216,7 @@ public class CraftPlayer extends CraftHumanEntity implements Player {
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private boolean hasPlayedBefore = false;
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private final ConversationTracker conversationTracker = new ConversationTracker();
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private final Set<String> channels = new HashSet<String>();
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- private final Map<UUID, Set<WeakReference<Plugin>>> invertedVisibilityEntities = new HashMap<>();
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+ private final Map<UUID, Set<WeakReference<Plugin>>> invertedVisibilityEntities = new it.unimi.dsi.fastutil.objects.Object2ObjectOpenHashMap<>(); // SparklyPaper - optimize canSee checks
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private final Set<UUID> unlistedEntities = new HashSet<>(); // Paper - Add Listing API for Player
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private static final WeakHashMap<Plugin, WeakReference<Plugin>> pluginWeakReferences = new WeakHashMap<>();
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private int hash = 0;
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@@ -2288,9 +2288,16 @@ public class CraftPlayer extends CraftHumanEntity implements Player {
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@Override
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public boolean canSee(org.bukkit.entity.Entity entity) {
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- return this.equals(entity) || entity.isVisibleByDefault() ^ this.invertedVisibilityEntities.containsKey(entity.getUniqueId()); // SPIGOT-7312: Can always see self
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+ return this.equals(entity) || entity.isVisibleByDefault() ^ (!invertedVisibilityEntities.isEmpty() && this.invertedVisibilityEntities.containsKey(entity.getUniqueId())); // SPIGOT-7312: Can always see self // SparklyPaper - optimize canSee checks
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}
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+ // SparklyPaper - optimize canSee checks
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+ // The check in ChunkMap#updatePlayer already rejects if it is the same entity, so we don't need to check it twice, especially because CraftPlayer's equals check is a bit expensive
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+ public boolean canSeeChunkMapUpdatePlayer(org.bukkit.entity.Entity entity) {
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+ return entity.isVisibleByDefault() ^ (!invertedVisibilityEntities.isEmpty() && this.invertedVisibilityEntities.containsKey(entity.getUniqueId())); // SPIGOT-7312: Can always see self // SparklyPaper - optimize canSee checks
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+ }
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+ // SparklyPaper end
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+
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public boolean canSeePlayer(UUID uuid) {
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org.bukkit.entity.Entity entity = this.getServer().getPlayer(uuid);
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