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Paper/patches/server/0774-Optimise-nearby-player-lookups.patch
Josh Roy bc0dd0df3d 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:
716b4fce Revert SnakeYAML upgrade
ca6f8942 Update to Minecraft 1.18-rc3
57e7e952 #683: Add Player#showDemoScreen

CraftBukkit Changes:
c98abfb0 Update to Minecraft 1.18-rc3
9b258501 #960: Add Player#showDemoScreen
d9542247 Produce remapped jars after bootstrap jar
99f3ddde SPIGOT-6808: Fix RegionAccessor#getBiome

Spigot Changes:
b7a4222e Update to Minecraft 1.18-rc3
2021-11-30 19:26:33 +01:00

409 lines
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Raw Blame History

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Spottedleaf <spottedleaf@spottedleaf.dev>
Date: Thu, 27 Aug 2020 16:22:52 -0700
Subject: [PATCH] Optimise nearby player lookups
Use a distance map to map out close players.
Note that it's important that we cache the distance map value per chunk
since the penalty of a map lookup could outweigh the benefits of
searching less players (as it basically did in the outside range patch).
diff --git a/src/main/java/net/minecraft/server/level/ChunkHolder.java b/src/main/java/net/minecraft/server/level/ChunkHolder.java
index c70e1018c5e5b65911ee430be123e38f03666df2..3e526ba04f52e39591016dc107dd8913220cb343 100644
--- a/src/main/java/net/minecraft/server/level/ChunkHolder.java
+++ b/src/main/java/net/minecraft/server/level/ChunkHolder.java
@@ -83,6 +83,12 @@ public class ChunkHolder {
long key = net.minecraft.server.MCUtil.getCoordinateKey(this.pos);
this.playersInMobSpawnRange = this.chunkMap.playerMobSpawnMap.getObjectsInRange(key);
this.playersInChunkTickRange = this.chunkMap.playerChunkTickRangeMap.getObjectsInRange(key);
+ // Paper start - optimise checkDespawn
+ LevelChunk chunk = this.getFullChunkUnchecked();
+ if (chunk != null) {
+ chunk.updateGeneralAreaCache();
+ }
+ // Paper end - optimise checkDespawn
}
// Paper end - optimise isOutsideOfRange
long lastAutoSaveTime; // Paper - incremental autosave
diff --git a/src/main/java/net/minecraft/server/level/ChunkMap.java b/src/main/java/net/minecraft/server/level/ChunkMap.java
index bf87cbe80a5119fd06b108722d3968c72c41fe2a..f6d5bf3474dbf37095778cd8d774b58338d53877 100644
--- a/src/main/java/net/minecraft/server/level/ChunkMap.java
+++ b/src/main/java/net/minecraft/server/level/ChunkMap.java
@@ -159,6 +159,13 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
int viewDistance;
public final com.destroystokyo.paper.util.PlayerMobDistanceMap playerMobDistanceMap; // Paper
+ // Paper start - optimise checkDespawn
+ public static final int GENERAL_AREA_MAP_SQUARE_RADIUS = 40;
+ public static final double GENERAL_AREA_MAP_ACCEPTABLE_SEARCH_RANGE = 16.0 * (GENERAL_AREA_MAP_SQUARE_RADIUS - 1);
+ public static final double GENERAL_AREA_MAP_ACCEPTABLE_SEARCH_RANGE_SQUARED = GENERAL_AREA_MAP_ACCEPTABLE_SEARCH_RANGE * GENERAL_AREA_MAP_ACCEPTABLE_SEARCH_RANGE;
+ public final com.destroystokyo.paper.util.misc.PlayerAreaMap playerGeneralAreaMap;
+ // Paper end - optimise checkDespawn
+
// CraftBukkit start - recursion-safe executor for Chunk loadCallback() and unloadCallback()
public final CallbackExecutor callbackExecutor = new CallbackExecutor();
public static final class CallbackExecutor implements java.util.concurrent.Executor, Runnable {
@@ -239,6 +246,7 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
this.playerChunkTickRangeMap.update(player, chunkX, chunkZ, DistanceManager.MOB_SPAWN_RANGE);
this.playerChunkTickRangeMap.add(player, chunkX, chunkZ, DistanceManager.MOB_SPAWN_RANGE);
// Paper end - optimise PlayerChunkMap#isOutsideRange
+ this.playerGeneralAreaMap.add(player, chunkX, chunkZ, GENERAL_AREA_MAP_SQUARE_RADIUS); // Paper - optimise checkDespawn
}
void removePlayerFromDistanceMaps(ServerPlayer player) {
@@ -251,6 +259,7 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
this.playerMobSpawnMap.remove(player);
this.playerChunkTickRangeMap.remove(player);
// Paper end - optimise PlayerChunkMap#isOutsideRange
+ this.playerGeneralAreaMap.remove(player); // Paper - optimise checkDespawns
}
void updateMaps(ServerPlayer player) {
@@ -266,6 +275,7 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
}
// Paper end - use distance map to optimise entity tracker
this.playerChunkTickRangeMap.update(player, chunkX, chunkZ, DistanceManager.MOB_SPAWN_RANGE); // Paper - optimise PlayerChunkMap#isOutsideRange
+ this.playerGeneralAreaMap.update(player, chunkX, chunkZ, GENERAL_AREA_MAP_SQUARE_RADIUS); // Paper - optimise checkDespawn
}
// Paper end
// Paper start
@@ -421,6 +431,23 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
}
});
// Paper end - optimise PlayerChunkMap#isOutsideRange
+ // Paper start - optimise checkDespawn
+ this.playerGeneralAreaMap = new com.destroystokyo.paper.util.misc.PlayerAreaMap(this.pooledLinkedPlayerHashSets,
+ (ServerPlayer player, int rangeX, int rangeZ, int currPosX, int currPosZ, int prevPosX, int prevPosZ,
+ com.destroystokyo.paper.util.misc.PooledLinkedHashSets.PooledObjectLinkedOpenHashSet<ServerPlayer> newState) -> {
+ LevelChunk chunk = ChunkMap.this.level.getChunkSource().getChunkAtIfCachedImmediately(rangeX, rangeZ);
+ if (chunk != null) {
+ chunk.updateGeneralAreaCache(newState);
+ }
+ },
+ (ServerPlayer player, int rangeX, int rangeZ, int currPosX, int currPosZ, int prevPosX, int prevPosZ,
+ com.destroystokyo.paper.util.misc.PooledLinkedHashSets.PooledObjectLinkedOpenHashSet<ServerPlayer> newState) -> {
+ LevelChunk chunk = ChunkMap.this.level.getChunkSource().getChunkAtIfCachedImmediately(rangeX, rangeZ);
+ if (chunk != null) {
+ chunk.updateGeneralAreaCache(newState);
+ }
+ });
+ // Paper end - optimise checkDespawn
}
protected ChunkGenerator generator() {
diff --git a/src/main/java/net/minecraft/server/level/ServerLevel.java b/src/main/java/net/minecraft/server/level/ServerLevel.java
index 94ba82b4c7d4a308eec0475d3fe790f0498dbe29..d47b21b5edc2734cdd45ed3282df98babe0045c0 100644
--- a/src/main/java/net/minecraft/server/level/ServerLevel.java
+++ b/src/main/java/net/minecraft/server/level/ServerLevel.java
@@ -396,6 +396,83 @@ public class ServerLevel extends Level implements WorldGenLevel {
return this.getServer().getPlayerList().getPlayer(uuid);
}
// Paper end
+ // Paper start - optimise checkDespawn
+ public final List<ServerPlayer> playersAffectingSpawning = new java.util.ArrayList<>();
+ // Paper end - optimise checkDespawn
+ // Paper start - optimise get nearest players for entity AI
+ @Override
+ public final ServerPlayer getNearestPlayer(net.minecraft.world.entity.ai.targeting.TargetingConditions condition, @Nullable LivingEntity source,
+ double centerX, double centerY, double centerZ) {
+ com.destroystokyo.paper.util.misc.PooledLinkedHashSets.PooledObjectLinkedOpenHashSet<ServerPlayer> nearby;
+ nearby = this.getChunkSource().chunkMap.playerGeneralAreaMap.getObjectsInRange(Mth.floor(centerX) >> 4, Mth.floor(centerZ) >> 4);
+
+ if (nearby == null) {
+ return null;
+ }
+
+ Object[] backingSet = nearby.getBackingSet();
+
+ double closestDistanceSquared = Double.MAX_VALUE;
+ ServerPlayer closest = null;
+
+ for (int i = 0, len = backingSet.length; i < len; ++i) {
+ Object _player = backingSet[i];
+ if (!(_player instanceof ServerPlayer)) {
+ continue;
+ }
+ ServerPlayer player = (ServerPlayer)_player;
+
+ double distanceSquared = player.distanceToSqr(centerX, centerY, centerZ);
+ if (distanceSquared < closestDistanceSquared && condition.test(source, player)) {
+ closest = player;
+ closestDistanceSquared = distanceSquared;
+ }
+ }
+
+ return closest;
+ }
+
+ @Override
+ public Player getNearestPlayer(net.minecraft.world.entity.ai.targeting.TargetingConditions pathfindertargetcondition, LivingEntity entityliving) {
+ return this.getNearestPlayer(pathfindertargetcondition, entityliving, entityliving.getX(), entityliving.getY(), entityliving.getZ());
+ }
+
+ @Override
+ public Player getNearestPlayer(net.minecraft.world.entity.ai.targeting.TargetingConditions pathfindertargetcondition,
+ double d0, double d1, double d2) {
+ return this.getNearestPlayer(pathfindertargetcondition, null, d0, d1, d2);
+ }
+
+ @Override
+ public List<Player> getNearbyPlayers(net.minecraft.world.entity.ai.targeting.TargetingConditions condition, LivingEntity source, AABB axisalignedbb) {
+ com.destroystokyo.paper.util.misc.PooledLinkedHashSets.PooledObjectLinkedOpenHashSet<ServerPlayer> nearby;
+ double centerX = (axisalignedbb.maxX + axisalignedbb.minX) * 0.5;
+ double centerZ = (axisalignedbb.maxZ + axisalignedbb.minZ) * 0.5;
+ nearby = this.getChunkSource().chunkMap.playerGeneralAreaMap.getObjectsInRange(Mth.floor(centerX) >> 4, Mth.floor(centerZ) >> 4);
+
+ List<Player> ret = new java.util.ArrayList<>();
+
+ if (nearby == null) {
+ return ret;
+ }
+
+ Object[] backingSet = nearby.getBackingSet();
+
+ for (int i = 0, len = backingSet.length; i < len; ++i) {
+ Object _player = backingSet[i];
+ if (!(_player instanceof ServerPlayer)) {
+ continue;
+ }
+ ServerPlayer player = (ServerPlayer)_player;
+
+ if (axisalignedbb.contains(player.getX(), player.getY(), player.getZ()) && condition.test(source, player)) {
+ ret.add(player);
+ }
+ }
+
+ return ret;
+ }
+ // Paper end - optimise get nearest players for entity AI
// Add env and gen to constructor, WorldData -> WorldDataServer
public ServerLevel(MinecraftServer minecraftserver, Executor executor, LevelStorageSource.LevelStorageAccess convertable_conversionsession, ServerLevelData iworlddataserver, ResourceKey<Level> resourcekey, DimensionType dimensionmanager, ChunkProgressListener worldloadlistener, ChunkGenerator chunkgenerator, boolean flag, long i, List<CustomSpawner> list, boolean flag1, org.bukkit.World.Environment env, org.bukkit.generator.ChunkGenerator gen, org.bukkit.generator.BiomeProvider biomeProvider) {
@@ -484,6 +561,14 @@ public class ServerLevel extends Level implements WorldGenLevel {
}
public void tick(BooleanSupplier shouldKeepTicking) {
+ // Paper start - optimise checkDespawn
+ this.playersAffectingSpawning.clear();
+ for (ServerPlayer player : this.players) {
+ if (net.minecraft.world.entity.EntitySelector.affectsSpawning.test(player)) {
+ this.playersAffectingSpawning.add(player);
+ }
+ }
+ // Paper end - optimise checkDespawn
ProfilerFiller gameprofilerfiller = this.getProfiler();
this.handlingTick = true;
diff --git a/src/main/java/net/minecraft/world/entity/Mob.java b/src/main/java/net/minecraft/world/entity/Mob.java
index 697c2663c4deeb8f2ad603c979ab0884ac027930..0b46066d35d9bb38d98a9d6e5ca8dbdc0ba1dc5a 100644
--- a/src/main/java/net/minecraft/world/entity/Mob.java
+++ b/src/main/java/net/minecraft/world/entity/Mob.java
@@ -792,7 +792,12 @@ public abstract class Mob extends LivingEntity {
if (this.level.getDifficulty() == Difficulty.PEACEFUL && this.shouldDespawnInPeaceful()) {
this.discard();
} else if (!this.isPersistenceRequired() && !this.requiresCustomPersistence()) {
- Player entityhuman = this.level.findNearbyPlayer(this, -1.0D, EntitySelector.affectsSpawning); // Paper
+ // Paper start - optimise checkDespawn
+ Player entityhuman = this.level.findNearbyPlayer(this, level.paperConfig.hardDespawnDistances.getInt(this.getType().getCategory()) + 1, EntitySelector.affectsSpawning); // Paper
+ if (entityhuman == null) {
+ entityhuman = ((ServerLevel)this.level).playersAffectingSpawning.isEmpty() ? null : ((ServerLevel)this.level).playersAffectingSpawning.get(0);
+ }
+ // Paper end - optimise checkDespawn
if (entityhuman != null) {
double d0 = entityhuman.distanceToSqr((Entity) this);
diff --git a/src/main/java/net/minecraft/world/level/Level.java b/src/main/java/net/minecraft/world/level/Level.java
index 6be462975523dae9ff436ba1643b2042ec66e554..929f48675a10fdd64cb351305389d680a16963fb 100644
--- a/src/main/java/net/minecraft/world/level/Level.java
+++ b/src/main/java/net/minecraft/world/level/Level.java
@@ -243,6 +243,69 @@ public abstract class Level implements LevelAccessor, AutoCloseable {
return ret;
}
// Paper end
+ // Paper start - optimise checkDespawn
+ public final List<net.minecraft.server.level.ServerPlayer> getNearbyPlayers(@Nullable Entity source, double sourceX, double sourceY,
+ double sourceZ, double maxRange, @Nullable Predicate<Entity> predicate) {
+ LevelChunk chunk;
+ if (maxRange < 0.0 || maxRange >= net.minecraft.server.level.ChunkMap.GENERAL_AREA_MAP_ACCEPTABLE_SEARCH_RANGE ||
+ (chunk = (LevelChunk)this.getChunkIfLoadedImmediately(Mth.floor(sourceX) >> 4, Mth.floor(sourceZ) >> 4)) == null) {
+ return this.getNearbyPlayersSlow(source, sourceX, sourceY, sourceZ, maxRange, predicate);
+ }
+
+ List<net.minecraft.server.level.ServerPlayer> ret = new java.util.ArrayList<>();
+ chunk.getNearestPlayers(sourceX, sourceY, sourceZ, predicate, maxRange, ret);
+ return ret;
+ }
+
+ private List<net.minecraft.server.level.ServerPlayer> getNearbyPlayersSlow(@Nullable Entity source, double sourceX, double sourceY,
+ double sourceZ, double maxRange, @Nullable Predicate<Entity> predicate) {
+ List<net.minecraft.server.level.ServerPlayer> ret = new java.util.ArrayList<>();
+ double maxRangeSquared = maxRange * maxRange;
+
+ for (net.minecraft.server.level.ServerPlayer player : (List<net.minecraft.server.level.ServerPlayer>)this.players()) {
+ if ((maxRange < 0.0 || player.distanceToSqr(sourceX, sourceY, sourceZ) < maxRangeSquared)) {
+ if (predicate == null || predicate.test(player)) {
+ ret.add(player);
+ }
+ }
+ }
+
+ return ret;
+ }
+
+ private net.minecraft.server.level.ServerPlayer getNearestPlayerSlow(@Nullable Entity source, double sourceX, double sourceY,
+ double sourceZ, double maxRange, @Nullable Predicate<Entity> predicate) {
+ net.minecraft.server.level.ServerPlayer closest = null;
+ double closestRangeSquared = maxRange < 0.0 ? Double.MAX_VALUE : maxRange * maxRange;
+
+ for (net.minecraft.server.level.ServerPlayer player : (List<net.minecraft.server.level.ServerPlayer>)this.players()) {
+ double distanceSquared = player.distanceToSqr(sourceX, sourceY, sourceZ);
+ if (distanceSquared < closestRangeSquared && (predicate == null || predicate.test(player))) {
+ closest = player;
+ closestRangeSquared = distanceSquared;
+ }
+ }
+
+ return closest;
+ }
+
+
+ public final net.minecraft.server.level.ServerPlayer getNearestPlayer(@Nullable Entity source, double sourceX, double sourceY,
+ double sourceZ, double maxRange, @Nullable Predicate<Entity> predicate) {
+ LevelChunk chunk;
+ if (maxRange < 0.0 || maxRange >= net.minecraft.server.level.ChunkMap.GENERAL_AREA_MAP_ACCEPTABLE_SEARCH_RANGE ||
+ (chunk = (LevelChunk)this.getChunkIfLoadedImmediately(Mth.floor(sourceX) >> 4, Mth.floor(sourceZ) >> 4)) == null) {
+ return this.getNearestPlayerSlow(source, sourceX, sourceY, sourceZ, maxRange, predicate);
+ }
+
+ return chunk.findNearestPlayer(sourceX, sourceY, sourceZ, maxRange, predicate);
+ }
+
+ @Override
+ public @Nullable Player getNearestPlayer(double d0, double d1, double d2, double d3, @Nullable Predicate<Entity> predicate) {
+ return this.getNearestPlayer(null, d0, d1, d2, d3, predicate);
+ }
+ // Paper end - optimise checkDespawn
protected Level(WritableLevelData worlddatamutable, ResourceKey<Level> resourcekey, final DimensionType dimensionmanager, Supplier<ProfilerFiller> supplier, boolean flag, boolean flag1, long i, org.bukkit.generator.ChunkGenerator gen, org.bukkit.generator.BiomeProvider biomeProvider, org.bukkit.World.Environment env) {
this.spigotConfig = new org.spigotmc.SpigotWorldConfig(((net.minecraft.world.level.storage.PrimaryLevelData) worlddatamutable).getLevelName()); // Spigot
diff --git a/src/main/java/net/minecraft/world/level/NaturalSpawner.java b/src/main/java/net/minecraft/world/level/NaturalSpawner.java
index 63ba93538d990fdd4c9e8c491bb715adc8d57986..e9a37fc6791366ea421f2766a36dc2e014ab7951 100644
--- a/src/main/java/net/minecraft/world/level/NaturalSpawner.java
+++ b/src/main/java/net/minecraft/world/level/NaturalSpawner.java
@@ -269,7 +269,7 @@ public final class NaturalSpawner {
blockposition_mutableblockposition.set(l, i, i1);
double d0 = (double) l + 0.5D;
double d1 = (double) i1 + 0.5D;
- Player entityhuman = world.getNearestPlayer(d0, (double) i, d1, -1.0D, false);
+ Player entityhuman = (chunk instanceof LevelChunk) ? ((LevelChunk)chunk).findNearestPlayer(d0, i, d1, 576.0D, net.minecraft.world.entity.EntitySelector.NO_SPECTATORS) : world.getNearestPlayer(d0, (double) i, d1, -1.0D, false); // Paper - use chunk's player cache to optimize search in range
if (entityhuman != null) {
double d2 = entityhuman.distanceToSqr(d0, (double) i, d1);
@@ -342,7 +342,7 @@ public final class NaturalSpawner {
}
private static boolean isRightDistanceToPlayerAndSpawnPoint(ServerLevel world, ChunkAccess chunk, BlockPos.MutableBlockPos pos, double squaredDistance) {
- return squaredDistance <= 576.0D ? false : (world.getSharedSpawnPos().closerThan((Position) (new Vec3((double) pos.getX() + 0.5D, (double) pos.getY(), (double) pos.getZ() + 0.5D)), 24.0D) ? false : Objects.equals(new ChunkPos(pos), chunk.getPos()) || world.isPositionEntityTicking((BlockPos) pos));
+ return squaredDistance <= 576.0D ? false : (world.getSharedSpawnPos().closerThan((Position) (new Vec3((double) pos.getX() + 0.5D, (double) pos.getY(), (double) pos.getZ() + 0.5D)), 24.0D) ? false : Objects.equals(new ChunkPos(pos), chunk.getPos()) || world.isPositionEntityTicking((BlockPos) pos)); // Paper - diff on change, copy into caller
}
private static Boolean isValidSpawnPostitionForType(ServerLevel world, MobCategory group, StructureFeatureManager structureAccessor, ChunkGenerator chunkGenerator, MobSpawnSettings.SpawnerData spawnEntry, BlockPos.MutableBlockPos pos, double squaredDistance) { // Paper
diff --git a/src/main/java/net/minecraft/world/level/chunk/LevelChunk.java b/src/main/java/net/minecraft/world/level/chunk/LevelChunk.java
index ddf362fc14fcf83b22536b76cfc6ac1387b4c57a..0435c750ec03f65bad3f904070960d56c2ed4832 100644
--- a/src/main/java/net/minecraft/world/level/chunk/LevelChunk.java
+++ b/src/main/java/net/minecraft/world/level/chunk/LevelChunk.java
@@ -237,6 +237,93 @@ public class LevelChunk extends ChunkAccess {
}
}
// Paper end
+ // Paper start - optimise checkDespawn
+ private boolean playerGeneralAreaCacheSet;
+ private com.destroystokyo.paper.util.misc.PooledLinkedHashSets.PooledObjectLinkedOpenHashSet<net.minecraft.server.level.ServerPlayer> playerGeneralAreaCache;
+
+ public com.destroystokyo.paper.util.misc.PooledLinkedHashSets.PooledObjectLinkedOpenHashSet<net.minecraft.server.level.ServerPlayer> getPlayerGeneralAreaCache() {
+ if (!this.playerGeneralAreaCacheSet) {
+ this.updateGeneralAreaCache();
+ }
+ return this.playerGeneralAreaCache;
+ }
+
+ public void updateGeneralAreaCache() {
+ this.updateGeneralAreaCache(((ServerLevel)this.level).getChunkSource().chunkMap.playerGeneralAreaMap.getObjectsInRange(this.coordinateKey));
+ }
+
+ public void updateGeneralAreaCache(com.destroystokyo.paper.util.misc.PooledLinkedHashSets.PooledObjectLinkedOpenHashSet<net.minecraft.server.level.ServerPlayer> value) {
+ this.playerGeneralAreaCacheSet = true;
+ this.playerGeneralAreaCache = value;
+ }
+
+ public net.minecraft.server.level.ServerPlayer findNearestPlayer(double sourceX, double sourceY, double sourceZ,
+ double maxRange, java.util.function.Predicate<Entity> predicate) {
+ if (!this.playerGeneralAreaCacheSet) {
+ this.updateGeneralAreaCache();
+ }
+
+ com.destroystokyo.paper.util.misc.PooledLinkedHashSets.PooledObjectLinkedOpenHashSet<net.minecraft.server.level.ServerPlayer> nearby = this.playerGeneralAreaCache;
+
+ if (nearby == null) {
+ return null;
+ }
+
+ Object[] backingSet = nearby.getBackingSet();
+ double closestDistance = maxRange < 0.0 ? Double.MAX_VALUE : maxRange * maxRange;
+ net.minecraft.server.level.ServerPlayer closest = null;
+ for (int i = 0, len = backingSet.length; i < len; ++i) {
+ Object _player = backingSet[i];
+ if (!(_player instanceof net.minecraft.server.level.ServerPlayer)) {
+ continue;
+ }
+ net.minecraft.server.level.ServerPlayer player = (net.minecraft.server.level.ServerPlayer)_player;
+
+ double distance = player.distanceToSqr(sourceX, sourceY, sourceZ);
+ if (distance < closestDistance && predicate.test(player)) {
+ closest = player;
+ closestDistance = distance;
+ }
+ }
+
+ return closest;
+ }
+
+ public void getNearestPlayers(double sourceX, double sourceY, double sourceZ, java.util.function.Predicate<Entity> predicate,
+ double range, java.util.List<net.minecraft.server.level.ServerPlayer> ret) {
+ if (!this.playerGeneralAreaCacheSet) {
+ this.updateGeneralAreaCache();
+ }
+
+ com.destroystokyo.paper.util.misc.PooledLinkedHashSets.PooledObjectLinkedOpenHashSet<net.minecraft.server.level.ServerPlayer> nearby = this.playerGeneralAreaCache;
+
+ if (nearby == null) {
+ return;
+ }
+
+ double rangeSquared = range * range;
+
+ Object[] backingSet = nearby.getBackingSet();
+ for (int i = 0, len = backingSet.length; i < len; ++i) {
+ Object _player = backingSet[i];
+ if (!(_player instanceof net.minecraft.server.level.ServerPlayer)) {
+ continue;
+ }
+ net.minecraft.server.level.ServerPlayer player = (net.minecraft.server.level.ServerPlayer)_player;
+
+ if (range >= 0.0) {
+ double distanceSquared = player.distanceToSqr(sourceX, sourceY, sourceZ);
+ if (distanceSquared > rangeSquared) {
+ continue;
+ }
+ }
+
+ if (predicate == null || predicate.test(player)) {
+ ret.add(player);
+ }
+ }
+ }
+ // Paper end - optimise checkDespawn
public LevelChunk(ServerLevel world, ProtoChunk protoChunk, @Nullable LevelChunk.PostLoadProcessor chunk_c) {
this(world, protoChunk.getPos(), protoChunk.getUpgradeData(), protoChunk.unpackBlockTicks(), protoChunk.unpackFluidTicks(), protoChunk.getInhabitedTime(), protoChunk.getSections(), chunk_c, protoChunk.getBlendingData());
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