mirror of
https://github.com/PaperMC/Paper.git
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526795bacd
* Update patches to handle vineflower decompiler * update patches again to handle inlined simple lambdas * update vf again and re-apply/rebuild patches * update patches after removal of verify-merges flag * fix compile issue * remove maven local * fix some issues * address more issues * fix collision patch * use paperweight release * more fixes * update fineflower and fix patches again * add missing comment descriptor --------- Co-authored-by: Jason Penilla <11360596+jpenilla@users.noreply.github.com>
228 lines
12 KiB
Diff
228 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 8a5abc320137d045acba0c87cef9f2912d78b6fb..6907d1be36fbdf0856c0e11983218d2fd1f9cb46 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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@@ -576,6 +576,115 @@ 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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