Paper/patches/server/0679-Oprimise-map-impl-for-tracked-players.patch
Nassim Jahnke e035fd7034
Updated Upstream (Bukkit/CraftBukkit/Spigot)
Upstream has released updates that appear to apply and compile correctly.
This update has not been tested by PaperMC and as with ANY update, please do your own testing

Bukkit Changes:
cc9aa21a SPIGOT-6399, SPIGOT-7344: Clarify collidable behavior for player entities
f23325b6 Add API for per-world simulation distances
26e1774e Add API for per-world view distances
0b541e60 Add PlayerLoginEvent#getRealAddress
5f027d2d PR-949: Add Vector#fromJOML() overloads for read-only vector types

CraftBukkit Changes:
bcf56171a PR-1321: Clean up some stuff which got missed during previous PRs
7f833a2d1 SPIGOT-7462: Players no longer drop XP after dying near a Sculk Catalyst
752aac669 Implement APIs for per world view and simulation distances
57d7ef433 Preserve empty enchantment tags for glow effect
465ec3fb4 Remove connected check on setScoreboard
f90ce621e Use one PermissibleBase for all command blocks
5876cca44 SPIGOT-7550: Fix creation of Arrow instances
f03fc3aa3 SPIGOT-7549: ServerTickManager#setTickRate incorrect Precondition
9d7f49b01 SPIGOT-7548: Fix wrong spawn location for experience orb and dropped item

Spigot Changes:
ed9ba9a4 Drop no longer required patch ignoring -o option
86b5dd6a SPIGOT-7546: Fix hardcoded check for outdated client message
aa7cde7a Remove obsolete APIs for per world view and simulation distances
6dff577e Remove obsolete patch preserving empty `ench` tags
a3bf95b8 Remove obsolete PlayerLoginEvent#getRealAddress
1b02f5d6 Remove obsolete connected check on setScoreboard patch
acf717eb Remove obsolete command block PermissibleBase patch
053fa2a9 Remove redundant patch dealing with null tile entities
2023-12-26 00:18:13 +01:00

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Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Spottedleaf <Spottedleaf@users.noreply.github.com>
Date: Fri, 19 Feb 2021 22:51:52 -0800
Subject: [PATCH] Oprimise map impl for tracked players
Reference2BooleanOpenHashMap is going to have
better lookups than HashMap.
diff --git a/src/main/java/net/minecraft/server/level/ChunkMap.java b/src/main/java/net/minecraft/server/level/ChunkMap.java
index 07abd089e5091d292d4542bbe0fbb416a111bf8e..a0603e567deeede8b4cd2ba57ded44f29239d78d 100644
--- a/src/main/java/net/minecraft/server/level/ChunkMap.java
+++ b/src/main/java/net/minecraft/server/level/ChunkMap.java
@@ -1301,7 +1301,7 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
final Entity entity;
private final int range;
SectionPos lastSectionPos;
- public final Set<ServerPlayerConnection> seenBy = Sets.newIdentityHashSet();
+ public final Set<ServerPlayerConnection> seenBy = new it.unimi.dsi.fastutil.objects.ReferenceOpenHashSet<>(); // Paper - optimise map impl
public TrackedEntity(Entity entity, int i, int j, boolean flag) {
this.serverEntity = new ServerEntity(ChunkMap.this.level, entity, j, flag, this::broadcast, this.seenBy); // CraftBukkit