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836fb16210
Upstream has released updates that appear to apply and compile correctly Purpur Changes: PurpurMC/Purpur@a39c4cb0 Updated Upstream (Paper) PurpurMC/Purpur@ea7b18ab Updated Upstream (Paper) PurpurMC/Purpur@0f82c210 Updated Upstream (Paper) PurpurMC/Purpur@8de15d66 this is important for the build to not fail.. PurpurMC/Purpur@5053eb0c use a different method for dropping lapis, closes #1692
46 lines
3.6 KiB
Diff
46 lines
3.6 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: NONPLAYT <76615486+NONPLAYT@users.noreply.github.com>
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Date: Sat, 1 Feb 2025 19:52:39 +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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Patch description:
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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 445970cf0f7d4c9955324ae9d3ade9f5db659930..5164bdd2567d0055e7717701fa5028652759476b 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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@@ -217,7 +217,7 @@ public class CraftPlayer extends CraftHumanEntity implements Player, PluginMessa
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private static final WeakHashMap<Plugin, WeakReference<Plugin>> pluginWeakReferences = new WeakHashMap<>();
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private static final net.kyori.adventure.text.Component DEFAULT_KICK_COMPONENT = net.kyori.adventure.text.Component.translatable("multiplayer.disconnect.kicked");
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private final ConversationTracker conversationTracker = new ConversationTracker();
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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<>(); // DivineMC - 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 long firstPlayed = 0;
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private long lastPlayed = 0;
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@@ -2353,9 +2353,15 @@ public class CraftPlayer extends CraftHumanEntity implements Player, PluginMessa
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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 // DivineMC - SparklyPaper: Optimize "canSee" checks
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}
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+ // DivineMC start - SparklyPaper: Optimize "canSee" checks
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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()));
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+ }
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+ // DivineMC end - SparklyPaper: Optimize "canSee" checks
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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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