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6e71f41536
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 CraftBukkit Changes: 65247583f SPIGOT-7857: Improve ItemMeta block data deserialization 05d80500d SPIGOT-7857: Fix spurious internal NBT tag when deserializing BlockStateMeta cebb58e9a SPIGOT-7804: Fix written book serialization efcdd5d38 SPIGOT-7794: Cancelling InventoryItemMoveEvent destroys items b568ba572 SPIGOT-7789: Fix NPE in CraftMetaFirework applyToItem f057cf449 Remove outdated build delay Spigot Changes: f6a48054 SPIGOT-7835: Fix issue with custom hopper settings bb63b137 Rebuild patches e1142b4d Rebuild patches
229 lines
12 KiB
Diff
229 lines
12 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Spottedleaf <Spottedleaf@users.noreply.github.com>
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Date: Sat, 23 Sep 2023 23:15:52 -0700
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Subject: [PATCH] Optimise nearby player retrieval
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Instead of searching/testing every player online on the server,
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we can instead use the nearby player tracking system to reduce
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the number of tests per search.
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diff --git a/src/main/java/net/minecraft/server/level/ServerLevel.java b/src/main/java/net/minecraft/server/level/ServerLevel.java
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index d4376ed215d97066a21e462fae2a0e25ad8a16a1..aab652174a8175765cad548f7c61ce353ca74803 100644
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--- a/src/main/java/net/minecraft/server/level/ServerLevel.java
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+++ b/src/main/java/net/minecraft/server/level/ServerLevel.java
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@@ -581,6 +581,115 @@ public class ServerLevel extends Level implements WorldGenLevel {
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this.lagCompensationTick = (System.nanoTime() - net.minecraft.server.MinecraftServer.SERVER_INIT) / (java.util.concurrent.TimeUnit.MILLISECONDS.toNanos(50L));
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}
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// Paper end - lag compensation
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+ // Paper start - optimise nearby player retrieval
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+ @Override
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+ public java.util.List<net.minecraft.world.entity.player.Player> getNearbyPlayers(net.minecraft.world.entity.ai.targeting.TargetingConditions targetPredicate,
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+ net.minecraft.world.entity.LivingEntity entity,
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+ net.minecraft.world.phys.AABB box) {
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+ return this.getNearbyEntities(Player.class, targetPredicate, entity, box);
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+ }
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+
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+ @Override
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+ public Player getNearestPlayer(double x, double y, double z, double maxDistance, @Nullable Predicate<Entity> targetPredicate) {
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+ if (maxDistance > 0.0D) {
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+ io.papermc.paper.util.player.NearbyPlayers players = this.chunkSource.chunkMap.getNearbyPlayers();
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+
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+ com.destroystokyo.paper.util.maplist.ReferenceList<ServerPlayer> nearby = players.getPlayersByBlock(
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+ io.papermc.paper.util.CoordinateUtils.getBlockCoordinate(x),
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+ io.papermc.paper.util.CoordinateUtils.getBlockCoordinate(z),
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+ io.papermc.paper.util.player.NearbyPlayers.NearbyMapType.GENERAL
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+ );
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+
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+ if (nearby == null) {
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+ return null;
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+ }
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+
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+ ServerPlayer nearest = null;
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+ double nearestDist = maxDistance * maxDistance;
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+ Object[] rawData = nearby.getRawData();
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+ for (int i = 0, len = nearby.size(); i < len; ++i) {
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+ ServerPlayer player = (ServerPlayer)rawData[i];
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+ double dist = player.distanceToSqr(x, y, z);
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+ if (dist >= nearestDist) {
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+ continue;
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+ }
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+
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+ if (targetPredicate == null || targetPredicate.test(player)) {
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+ nearest = player;
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+ nearestDist = dist;
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+ }
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+ }
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+
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+ return nearest;
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+ } else {
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+ ServerPlayer nearest = null;
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+ double nearestDist = Double.MAX_VALUE;
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+
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+ for (ServerPlayer player : this.players()) {
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+ double dist = player.distanceToSqr(x, y, z);
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+ if (dist >= nearestDist) {
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+ continue;
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+ }
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+
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+ if (targetPredicate == null || targetPredicate.test(player)) {
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+ nearest = player;
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+ nearestDist = dist;
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+ }
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+ }
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+
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+ return nearest;
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+ }
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+ }
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+
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+ @Override
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+ public Player getNearestPlayer(net.minecraft.world.entity.ai.targeting.TargetingConditions targetPredicate, LivingEntity entity) {
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+ return this.getNearestPlayer(targetPredicate, entity, entity.getX(), entity.getY(), entity.getZ());
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+ }
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+
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+ @Override
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+ public Player getNearestPlayer(net.minecraft.world.entity.ai.targeting.TargetingConditions targetPredicate, LivingEntity entity,
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+ double x, double y, double z) {
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+ double range = targetPredicate.range;
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+ if (range > 0.0D) {
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+ io.papermc.paper.util.player.NearbyPlayers players = this.chunkSource.chunkMap.getNearbyPlayers();
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+
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+ com.destroystokyo.paper.util.maplist.ReferenceList<ServerPlayer> nearby = players.getPlayersByBlock(
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+ io.papermc.paper.util.CoordinateUtils.getBlockCoordinate(x),
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+ io.papermc.paper.util.CoordinateUtils.getBlockCoordinate(z),
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+ io.papermc.paper.util.player.NearbyPlayers.NearbyMapType.GENERAL
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+ );
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+
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+ if (nearby == null) {
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+ return null;
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+ }
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+
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+ ServerPlayer nearest = null;
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+ double nearestDist = Double.MAX_VALUE;
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+ Object[] rawData = nearby.getRawData();
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+ for (int i = 0, len = nearby.size(); i < len; ++i) {
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+ ServerPlayer player = (ServerPlayer)rawData[i];
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+ double dist = player.distanceToSqr(x, y, z);
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+ if (dist >= nearestDist) {
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+ continue;
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+ }
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+
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+ if (targetPredicate.test(entity, player)) {
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+ nearest = player;
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+ nearestDist = dist;
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+ }
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+ }
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+
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+ return nearest;
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+ } else {
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+ return this.getNearestEntity(this.players(), targetPredicate, entity, x, y, z);
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+ }
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+ }
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+
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+ @Nullable
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+ public Player getNearestPlayer(net.minecraft.world.entity.ai.targeting.TargetingConditions targetPredicate, double x, double y, double z) {
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+ return this.getNearestPlayer(targetPredicate, null, x, y, z);
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+ }
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+ // Paper end - optimise nearby player retrieval
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// Add env and gen to constructor, IWorldDataServer -> WorldDataServer
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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) {
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diff --git a/src/main/java/net/minecraft/world/entity/ai/sensing/PlayerSensor.java b/src/main/java/net/minecraft/world/entity/ai/sensing/PlayerSensor.java
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index 2e887e426dcd79e2dda401f127d0e01ca537e80e..65cd42ce9f553e0aa5bf248bdbf902f9d1f55460 100644
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--- a/src/main/java/net/minecraft/world/entity/ai/sensing/PlayerSensor.java
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+++ b/src/main/java/net/minecraft/world/entity/ai/sensing/PlayerSensor.java
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@@ -21,17 +21,50 @@ public class PlayerSensor extends Sensor<LivingEntity> {
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@Override
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protected void doTick(ServerLevel world, LivingEntity entity) {
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- List<Player> list = world.players()
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- .stream()
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- .filter(EntitySelector.NO_SPECTATORS)
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- .filter(player -> entity.closerThan(player, 16.0))
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- .sorted(Comparator.comparingDouble(entity::distanceToSqr))
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- .collect(Collectors.toList());
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+ // Paper start - Perf: optimise nearby player retrieval & remove streams from hot code
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+ io.papermc.paper.util.player.NearbyPlayers nearbyPlayers = world.chunkSource.chunkMap.getNearbyPlayers();
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+ net.minecraft.world.phys.Vec3 entityPos = entity.position();
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+ com.destroystokyo.paper.util.maplist.ReferenceList<net.minecraft.server.level.ServerPlayer> nearby = nearbyPlayers.getPlayersByChunk(
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+ entity.chunkPosition().x,
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+ entity.chunkPosition().z,
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+ io.papermc.paper.util.player.NearbyPlayers.NearbyMapType.GENERAL_REALLY_SMALL
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+ );
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+
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+ List<Player> players = new java.util.ArrayList<>(nearby == null ? 0 : nearby.size());
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+ if (nearby != null) {
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+ Object[] rawData = nearby.getRawData();
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+ for (int index = 0, len = nearby.size(); index < len; ++index) {
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+ net.minecraft.server.level.ServerPlayer player = (net.minecraft.server.level.ServerPlayer) rawData[index];
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+ if (player.isSpectator()) {
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+ continue;
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+ }
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+ if (player.distanceToSqr(entityPos.x, entityPos.y, entityPos.z) >= (16.0 * 16.0)) {
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+ continue;
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+ }
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+ players.add(player);
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+ }
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+ }
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+ players.sort(Comparator.comparingDouble(entity::distanceToSqr));
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Brain<?> brain = entity.getBrain();
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- brain.setMemory(MemoryModuleType.NEAREST_PLAYERS, list);
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- List<Player> list2 = list.stream().filter(player -> isEntityTargetable(entity, player)).collect(Collectors.toList());
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- brain.setMemory(MemoryModuleType.NEAREST_VISIBLE_PLAYER, list2.isEmpty() ? null : list2.get(0));
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- Optional<Player> optional = list2.stream().filter(player -> isEntityAttackable(entity, player)).findFirst();
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- brain.setMemory(MemoryModuleType.NEAREST_VISIBLE_ATTACKABLE_PLAYER, optional);
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+
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+ brain.setMemory(MemoryModuleType.NEAREST_PLAYERS, players);
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+
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+ Player firstTargetable = null;
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+ Player firstAttackable = null;
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+ for (Player player : players) {
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+ if (firstTargetable == null && Sensor.isEntityTargetable(entity, player)) {
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+ firstTargetable = player;
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+ }
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+ if (firstAttackable == null && Sensor.isEntityAttackable(entity, player)) {
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+ firstAttackable = player;
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+ }
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+
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+ if (firstAttackable != null && firstTargetable != null) {
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+ break;
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+ }
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+ }
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+ brain.setMemory(MemoryModuleType.NEAREST_VISIBLE_PLAYER, firstTargetable);
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+ brain.setMemory(MemoryModuleType.NEAREST_VISIBLE_ATTACKABLE_PLAYER, Optional.ofNullable(firstAttackable));
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+ // Paper end - Perf: optimise nearby player retrieval & remove streams from hot code
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}
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}
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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
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index aecb0ad814586bfc5e56755ee14379a69388b38c..d2f0c3b26d4beedb49d86e0242d843590d469d02 100644
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--- a/src/main/java/net/minecraft/world/entity/ai/targeting/TargetingConditions.java
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+++ b/src/main/java/net/minecraft/world/entity/ai/targeting/TargetingConditions.java
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@@ -10,7 +10,7 @@ public class TargetingConditions {
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public static final TargetingConditions DEFAULT = forCombat();
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private static final double MIN_VISIBILITY_DISTANCE_FOR_INVISIBLE_TARGET = 2.0;
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private final boolean isCombat;
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- private double range = -1.0;
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+ public double range = -1.0; // Paper - public
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private boolean checkLineOfSight = true;
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private boolean testInvisible = true;
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@Nullable
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diff --git a/src/main/java/net/minecraft/world/level/EntityGetter.java b/src/main/java/net/minecraft/world/level/EntityGetter.java
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index 21843501355a0c0c8d594e3e5312e97861c9a777..ea0aee88c7d901034427db201c1b2430f8a1d522 100644
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--- a/src/main/java/net/minecraft/world/level/EntityGetter.java
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+++ b/src/main/java/net/minecraft/world/level/EntityGetter.java
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@@ -233,9 +233,13 @@ public interface EntityGetter {
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T livingEntity = null;
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for (T livingEntity2 : entityList) {
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+ // Paper start - optimise nearby player retrieval; move up
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+ // don't check entities outside closest range
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+ double e = livingEntity2.distanceToSqr(x, y, z);
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+ if (d == -1.0 || e < d) {
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+ // Paper end - move up
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if (targetPredicate.test(entity, livingEntity2)) {
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- double e = livingEntity2.distanceToSqr(x, y, z);
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- if (d == -1.0 || e < d) {
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+ // Paper - optimise nearby player retrieval; move up
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d = e;
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livingEntity = livingEntity2;
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}
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