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Mirror von https://github.com/PaperMC/Paper.git synchronisiert 2024-11-15 04:20:04 +01:00
Paper/patches/server/1017-Optimise-nearby-player-retrieval.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86b5dd6a SPIGOT-7546: Fix hardcoded check for outdated client message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

163 Zeilen
8.1 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Spottedleaf <Spottedleaf@users.noreply.github.com>
Date: Sat, 23 Sep 2023 23:15:52 -0700
Subject: [PATCH] Optimise nearby player retrieval
Instead of searching/testing every player online on the server,
we can instead use the nearby player tracking system to reduce
the number of tests per search.
diff --git a/src/main/java/net/minecraft/server/level/ServerLevel.java b/src/main/java/net/minecraft/server/level/ServerLevel.java
index dac0771836a1c26aa10a2609bb77d7fc68bb9423..8f85aafb181cadd2983b0f3735782729858226c6 100644
--- a/src/main/java/net/minecraft/server/level/ServerLevel.java
+++ b/src/main/java/net/minecraft/server/level/ServerLevel.java
@@ -577,6 +577,115 @@ public class ServerLevel extends Level implements WorldGenLevel {
this.lagCompensationTick = (System.nanoTime() - net.minecraft.server.MinecraftServer.SERVER_INIT) / (java.util.concurrent.TimeUnit.MILLISECONDS.toNanos(50L));
}
// Paper end - lag compensation
+ // Paper start - optimise nearby player retrieval
+ @Override
+ public java.util.List<net.minecraft.world.entity.player.Player> getNearbyPlayers(net.minecraft.world.entity.ai.targeting.TargetingConditions targetPredicate,
+ net.minecraft.world.entity.LivingEntity entity,
+ net.minecraft.world.phys.AABB box) {
+ return this.getNearbyEntities(Player.class, targetPredicate, entity, box);
+ }
+
+ @Override
+ public Player getNearestPlayer(double x, double y, double z, double maxDistance, @Nullable Predicate<Entity> targetPredicate) {
+ if (maxDistance > 0.0D) {
+ io.papermc.paper.util.player.NearbyPlayers players = this.chunkSource.chunkMap.getNearbyPlayers();
+
+ com.destroystokyo.paper.util.maplist.ReferenceList<ServerPlayer> nearby = players.getPlayersByBlock(
+ io.papermc.paper.util.CoordinateUtils.getBlockCoordinate(x),
+ io.papermc.paper.util.CoordinateUtils.getBlockCoordinate(z),
+ io.papermc.paper.util.player.NearbyPlayers.NearbyMapType.GENERAL
+ );
+
+ if (nearby == null) {
+ return null;
+ }
+
+ ServerPlayer nearest = null;
+ double nearestDist = maxDistance * maxDistance;
+ Object[] rawData = nearby.getRawData();
+ for (int i = 0, len = nearby.size(); i < len; ++i) {
+ ServerPlayer player = (ServerPlayer)rawData[i];
+ double dist = player.distanceToSqr(x, y, z);
+ if (dist >= nearestDist) {
+ continue;
+ }
+
+ if (targetPredicate == null || targetPredicate.test(player)) {
+ nearest = player;
+ nearestDist = dist;
+ }
+ }
+
+ return nearest;
+ } else {
+ ServerPlayer nearest = null;
+ double nearestDist = Double.MAX_VALUE;
+
+ for (ServerPlayer player : this.players()) {
+ double dist = player.distanceToSqr(x, y, z);
+ if (dist >= nearestDist) {
+ continue;
+ }
+
+ if (targetPredicate == null || targetPredicate.test(player)) {
+ nearest = player;
+ nearestDist = dist;
+ }
+ }
+
+ return nearest;
+ }
+ }
+
+ @Override
+ public Player getNearestPlayer(net.minecraft.world.entity.ai.targeting.TargetingConditions targetPredicate, LivingEntity entity) {
+ return this.getNearestPlayer(targetPredicate, entity, entity.getX(), entity.getY(), entity.getZ());
+ }
+
+ @Override
+ public Player getNearestPlayer(net.minecraft.world.entity.ai.targeting.TargetingConditions targetPredicate, LivingEntity entity,
+ double x, double y, double z) {
+ double range = targetPredicate.range;
+ if (range > 0.0D) {
+ io.papermc.paper.util.player.NearbyPlayers players = this.chunkSource.chunkMap.getNearbyPlayers();
+
+ com.destroystokyo.paper.util.maplist.ReferenceList<ServerPlayer> nearby = players.getPlayersByBlock(
+ io.papermc.paper.util.CoordinateUtils.getBlockCoordinate(x),
+ io.papermc.paper.util.CoordinateUtils.getBlockCoordinate(z),
+ io.papermc.paper.util.player.NearbyPlayers.NearbyMapType.GENERAL
+ );
+
+ if (nearby == null) {
+ return null;
+ }
+
+ ServerPlayer nearest = null;
+ double nearestDist = Double.MAX_VALUE;
+ Object[] rawData = nearby.getRawData();
+ for (int i = 0, len = nearby.size(); i < len; ++i) {
+ ServerPlayer player = (ServerPlayer)rawData[i];
+ double dist = player.distanceToSqr(x, y, z);
+ if (dist >= nearestDist) {
+ continue;
+ }
+
+ if (targetPredicate.test(entity, player)) {
+ nearest = player;
+ nearestDist = dist;
+ }
+ }
+
+ return nearest;
+ } else {
+ return this.getNearestEntity(this.players(), targetPredicate, entity, x, y, z);
+ }
+ }
+
+ @Nullable
+ public Player getNearestPlayer(net.minecraft.world.entity.ai.targeting.TargetingConditions targetPredicate, double x, double y, double z) {
+ return this.getNearestPlayer(targetPredicate, null, x, y, z);
+ }
+ // Paper end - optimise nearby player retrieval
// Add env and gen to constructor, IWorldDataServer -> WorldDataServer
public ServerLevel(MinecraftServer minecraftserver, Executor executor, LevelStorageSource.LevelStorageAccess convertable_conversionsession, PrimaryLevelData iworlddataserver, ResourceKey<Level> resourcekey, LevelStem worlddimension, ChunkProgressListener worldloadlistener, boolean flag, long i, List<CustomSpawner> list, boolean flag1, @Nullable RandomSequences randomsequences, org.bukkit.World.Environment env, org.bukkit.generator.ChunkGenerator gen, org.bukkit.generator.BiomeProvider biomeProvider) {
diff --git a/src/main/java/net/minecraft/world/entity/ai/targeting/TargetingConditions.java b/src/main/java/net/minecraft/world/entity/ai/targeting/TargetingConditions.java
index 58422f00c7d64dbd1cf6d7211c9838875cbe7778..c157309ac78e7af084d3acb6e8b2bcd469a39d5e 100644
--- a/src/main/java/net/minecraft/world/entity/ai/targeting/TargetingConditions.java
+++ b/src/main/java/net/minecraft/world/entity/ai/targeting/TargetingConditions.java
@@ -10,7 +10,7 @@ public class TargetingConditions {
public static final TargetingConditions DEFAULT = forCombat();
private static final double MIN_VISIBILITY_DISTANCE_FOR_INVISIBLE_TARGET = 2.0D;
private final boolean isCombat;
- private double range = -1.0D;
+ public double range = -1.0D; // Paper - public
private boolean checkLineOfSight = true;
private boolean testInvisible = true;
@Nullable
diff --git a/src/main/java/net/minecraft/world/level/EntityGetter.java b/src/main/java/net/minecraft/world/level/EntityGetter.java
index b3293a722fb5c5262a777402140c764c03367800..aaa07fcd4b32fe0de88142ab30378327a01f1729 100644
--- a/src/main/java/net/minecraft/world/level/EntityGetter.java
+++ b/src/main/java/net/minecraft/world/level/EntityGetter.java
@@ -230,9 +230,13 @@ public interface EntityGetter {
T livingEntity = null;
for(T livingEntity2 : entityList) {
+ // Paper start - move up
+ // don't check entities outside closest range
+ double e = livingEntity2.distanceToSqr(x, y, z);
+ if (d == -1.0D || e < d) {
+ // Paper end - move up
if (targetPredicate.test(entity, livingEntity2)) {
- double e = livingEntity2.distanceToSqr(x, y, z);
- if (d == -1.0D || e < d) {
+ // Paper - move up
d = e;
livingEntity = livingEntity2;
}