From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Spottedleaf <Spottedleaf@users.noreply.github.com>
Date: Tue, 5 May 2020 20:40:53 -0700
Subject: [PATCH] Optimize isOutsideRange to use distance maps
Use a distance map to find the players in range quickly
diff --git a/src/main/java/net/minecraft/server/level/ChunkHolder.java b/src/main/java/net/minecraft/server/level/ChunkHolder.java
index bbb94e8a5e3585701849e025b534a69a6e67949f..7223c6daf6f0eb959a5cab701096324a34b9c88a 100644
--- a/src/main/java/net/minecraft/server/level/ChunkHolder.java
+++ b/src/main/java/net/minecraft/server/level/ChunkHolder.java
@@ -100,6 +100,18 @@ public class ChunkHolder {
}
// Paper end
+ // Paper start - optimise isOutsideOfRange
+ // cached here to avoid a map lookup
+ com.destroystokyo.paper.util.misc.PooledLinkedHashSets.PooledObjectLinkedOpenHashSet<ServerPlayer> playersInMobSpawnRange;
+ com.destroystokyo.paper.util.misc.PooledLinkedHashSets.PooledObjectLinkedOpenHashSet<ServerPlayer> playersInChunkTickRange;
+
+ void updateRanges() {
+ long key = net.minecraft.server.MCUtil.getCoordinateKey(this.pos);
+ this.playersInMobSpawnRange = this.chunkMap.playerMobSpawnMap.getObjectsInRange(key);
+ this.playersInChunkTickRange = this.chunkMap.playerChunkTickRangeMap.getObjectsInRange(key);
+ }
+ // Paper end - optimise isOutsideOfRange
+
public ChunkHolder(ChunkPos pos, int level, LevelHeightAccessor world, LevelLightEngine lightingProvider, ChunkHolder.LevelChangeListener levelUpdateListener, ChunkHolder.PlayerProvider playersWatchingChunkProvider) {
this.futures = new AtomicReferenceArray(ChunkHolder.CHUNK_STATUSES.size());
this.fullChunkFuture = ChunkHolder.UNLOADED_LEVEL_CHUNK_FUTURE;
@@ -121,6 +133,7 @@ public class ChunkHolder {
this.setTicketLevel(level);
this.changedBlocksPerSection = new ShortSet[world.getSectionsCount()];
this.chunkMap = (ChunkMap)playersWatchingChunkProvider; // Paper
+ this.updateRanges(); // Paper - optimise isOutsideOfRange
}
// CraftBukkit start
diff --git a/src/main/java/net/minecraft/server/level/ChunkMap.java b/src/main/java/net/minecraft/server/level/ChunkMap.java
index 04ece67574bb95f575edc6f5337a3492e7260102..1e944b2fdfd382bfcc7f94f9a8daf1782931110b 100644
--- a/src/main/java/net/minecraft/server/level/ChunkMap.java
+++ b/src/main/java/net/minecraft/server/level/ChunkMap.java
@@ -229,6 +229,17 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
return MinecraftServer.getServer().getScaledTrackingDistance(vanilla);
}
// Paper end - use distance map to optimise tracker
+ // Paper start - optimise PlayerChunkMap#isOutsideRange
+ // A note about the naming used here:
+ // Previously, mojang used a "spawn range" of 8 for controlling both ticking and
+ // mob spawn range. However, spigot makes the spawn range configurable by
+ // checking if the chunk is in the tick range (8) and the spawn range
+ // obviously this means a spawn range > 8 cannot be implemented
+
+ // these maps are named after spigot's uses
+ public final com.destroystokyo.paper.util.misc.PlayerAreaMap playerMobSpawnMap; // this map is absent from updateMaps since it's controlled at the start of the chunkproviderserver tick
+ public final com.destroystokyo.paper.util.misc.PlayerAreaMap playerChunkTickRangeMap;
+ // Paper end - optimise PlayerChunkMap#isOutsideRange
void addPlayerToDistanceMaps(ServerPlayer player) {
int chunkX = MCUtil.getChunkCoordinate(player.getX());
@@ -242,6 +253,12 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
trackMap.add(player, chunkX, chunkZ, Math.min(trackRange, this.getEffectiveViewDistance()));
}
// Paper end - use distance map to optimise entity tracker
+ // Paper start - optimise PlayerChunkMap#isOutsideRange
+ this.playerChunkTickRangeMap.update(player, chunkX, chunkZ, DistanceManager.MOB_SPAWN_RANGE);
+ // Paper end - optimise PlayerChunkMap#isOutsideRange
+ // Paper start - optimise PlayerChunkMap#isOutsideRange
+ this.playerChunkTickRangeMap.add(player, chunkX, chunkZ, DistanceManager.MOB_SPAWN_RANGE);
+ // Paper end - optimise PlayerChunkMap#isOutsideRange
// Paper start - no-tick view distance
int effectiveTickViewDistance = this.getEffectiveViewDistance();
int effectiveNoTickViewDistance = Math.max(this.getEffectiveNoTickViewDistance(), effectiveTickViewDistance);
@@ -263,6 +280,10 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
this.playerEntityTrackerTrackMaps[i].remove(player);
}
// Paper end - use distance map to optimise tracker
+ // Paper start - optimise PlayerChunkMap#isOutsideRange
+ this.playerMobSpawnMap.remove(player);
+ this.playerChunkTickRangeMap.remove(player);
+ // Paper end - optimise PlayerChunkMap#isOutsideRange
// Paper start - no-tick view distance
this.playerViewDistanceBroadcastMap.remove(player);
this.playerViewDistanceTickMap.remove(player);
@@ -282,6 +303,9 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
trackMap.update(player, chunkX, chunkZ, Math.min(trackRange, this.getEffectiveViewDistance()));
}
// Paper end - use distance map to optimise entity tracker
+ // Paper start - optimise PlayerChunkMap#isOutsideRange
+ this.playerChunkTickRangeMap.update(player, chunkX, chunkZ, DistanceManager.MOB_SPAWN_RANGE);
+ // Paper end - optimise PlayerChunkMap#isOutsideRange
// Paper start - no-tick view distance
int effectiveTickViewDistance = this.getEffectiveViewDistance();
int effectiveNoTickViewDistance = Math.max(this.getEffectiveNoTickViewDistance(), effectiveTickViewDistance);
@@ -330,7 +354,7 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
this.mainThreadMailbox = this.queueSorter.getProcessor(mailbox, false);
this.mailboxLight = this.queueSorter.getProcessor(lightthreaded, false);// Paper
this.lightEngine = new ThreadedLevelLightEngine(chunkProvider, this, this.level.dimensionType().hasSkyLight(), threadedmailbox1, this.queueSorter.getProcessor(threadedmailbox1, false));
- this.distanceManager = new ChunkMap.ChunkDistanceManager(executor, mainThreadExecutor);
+ this.distanceManager = new ChunkMap.ChunkDistanceManager(executor, mainThreadExecutor); this.distanceManager.chunkMap = this; // Paper
this.overworldDataStorage = persistentStateManagerFactory;
this.poiManager = new PoiManager(new File(file, "poi"), dataFixer, dsync, world);
this.setViewDistance(viewDistance);
@@ -374,6 +398,38 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
this.playerEntityTrackerTrackMaps[ordinal] = new com.destroystokyo.paper.util.misc.PlayerAreaMap(this.pooledLinkedPlayerHashSets);
}
// Paper end - use distance map to optimise entity tracker
+ // Paper start - optimise PlayerChunkMap#isOutsideRange
+ this.playerChunkTickRangeMap = 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) -> {
+ ChunkHolder playerChunk = ChunkMap.this.getUpdatingChunkIfPresent(MCUtil.getCoordinateKey(rangeX, rangeZ));
+ if (playerChunk != null) {
+ playerChunk.playersInChunkTickRange = newState;
+ }
+ },
+ (ServerPlayer player, int rangeX, int rangeZ, int currPosX, int currPosZ, int prevPosX, int prevPosZ,
+ com.destroystokyo.paper.util.misc.PooledLinkedHashSets.PooledObjectLinkedOpenHashSet<ServerPlayer> newState) -> {
+ ChunkHolder playerChunk = ChunkMap.this.getUpdatingChunkIfPresent(MCUtil.getCoordinateKey(rangeX, rangeZ));
+ if (playerChunk != null) {
+ playerChunk.playersInChunkTickRange = newState;
+ }
+ });
+ this.playerMobSpawnMap = 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) -> {
+ ChunkHolder playerChunk = ChunkMap.this.getUpdatingChunkIfPresent(MCUtil.getCoordinateKey(rangeX, rangeZ));
+ if (playerChunk != null) {
+ playerChunk.playersInMobSpawnRange = newState;
+ }
+ },
+ (ServerPlayer player, int rangeX, int rangeZ, int currPosX, int currPosZ, int prevPosX, int prevPosZ,
+ com.destroystokyo.paper.util.misc.PooledLinkedHashSets.PooledObjectLinkedOpenHashSet<ServerPlayer> newState) -> {
+ ChunkHolder playerChunk = ChunkMap.this.getUpdatingChunkIfPresent(MCUtil.getCoordinateKey(rangeX, rangeZ));
+ if (playerChunk != null) {
+ playerChunk.playersInMobSpawnRange = newState;
+ }
+ });
+ // Paper end - optimise PlayerChunkMap#isOutsideRange
// Paper start - no-tick view distance
this.setNoTickViewDistance(this.level.paperConfig.noTickViewDistance);
this.playerViewDistanceTickMap = new com.destroystokyo.paper.util.misc.PlayerAreaMap(this.pooledLinkedPlayerHashSets,
@@ -643,6 +699,7 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
} else {
if (holder != null) {
holder.setTicketLevel(level);
+ holder.updateRanges(); // Paper - optimise isOutsideOfRange
}
if (holder != null) {
@@ -1463,29 +1520,50 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
return this.isOutsideOfRange(chunkPos, false);
}
- boolean isOutsideOfRange(ChunkPos chunkcoordintpair, boolean reducedRange) {
- int chunkRange = level.spigotConfig.mobSpawnRange;
- chunkRange = (chunkRange > level.spigotConfig.viewDistance) ? (byte) level.spigotConfig.viewDistance : chunkRange;
- chunkRange = (chunkRange > 8) ? 8 : chunkRange;
-
- final int finalChunkRange = chunkRange; // Paper for lambda below
- //double blockRange = (reducedRange) ? Math.pow(chunkRange << 4, 2) : 16384.0D; // Paper - use from event
- // Spigot end
- long i = chunkcoordintpair.toLong();
+ // Paper start - optimise isOutsideOfRange
+ final boolean isOutsideOfRange(ChunkPos chunkcoordintpair, boolean reducedRange) {
+ return this.isOutsideOfRange(this.getUpdatingChunkIfPresent(chunkcoordintpair.toLong()), chunkcoordintpair, reducedRange);
+ }
+ final boolean isOutsideOfRange(ChunkHolder playerchunk, ChunkPos chunkcoordintpair, boolean reducedRange) {
+ // this function is so hot that removing the map lookup call can have an order of magnitude impact on its performance
+ // tested and confirmed via System.nanoTime()
+ com.destroystokyo.paper.util.misc.PooledLinkedHashSets.PooledObjectLinkedOpenHashSet<ServerPlayer> playersInRange = reducedRange ? playerchunk.playersInMobSpawnRange : playerchunk.playersInChunkTickRange;
+ if (playersInRange == null) {
+ return true;
+ }
+ Object[] backingSet = playersInRange.getBackingSet();
- return !this.distanceManager.hasPlayersNearby(i) ? true : this.playerMap.getPlayers(i).noneMatch((entityplayer) -> {
- // Paper start - add PlayerNaturallySpawnCreaturesEvent
- com.destroystokyo.paper.event.entity.PlayerNaturallySpawnCreaturesEvent event;
- double blockRange = 16384.0D;
- if (reducedRange) {
- event = entityplayer.playerNaturallySpawnedEvent;
- if (event == null || event.isCancelled()) return false;
- blockRange = (double) ((event.getSpawnRadius() << 4) * (event.getSpawnRadius() << 4));
+ if (reducedRange) {
+ for (int i = 0, len = backingSet.length; i < len; ++i) {
+ Object raw = backingSet[i];
+ if (!(raw instanceof ServerPlayer)) {
+ continue;
+ }
+ ServerPlayer player = (ServerPlayer) raw;
+ // don't check spectator and whatnot, already handled by mob spawn map update
+ if (player.lastEntitySpawnRadiusSquared > euclideanDistanceSquared(chunkcoordintpair, player)) {
+ return false; // in range
+ }
}
- // Paper end
- return !entityplayer.isSpectator() && ChunkMap.euclideanDistanceSquared(chunkcoordintpair, (Entity) entityplayer) < blockRange; // Spigot
- });
+ } else {
+ final double range = (DistanceManager.MOB_SPAWN_RANGE * 16) * (DistanceManager.MOB_SPAWN_RANGE * 16);
+ // before spigot, mob spawn range was actually mob spawn range + tick range, but it was split
+ for (int i = 0, len = backingSet.length; i < len; ++i) {
+ Object raw = backingSet[i];
+ if (!(raw instanceof ServerPlayer)) {
+ continue;
+ }
+ ServerPlayer player = (ServerPlayer) raw;
+ // don't check spectator and whatnot, already handled by mob spawn map update
+ if (range > euclideanDistanceSquared(chunkcoordintpair, player)) {
+ return false; // in range
+ }
+ }
+ }
+ // no players in range
+ return true;
}
+ // Paper end - optimise isOutsideOfRange
private boolean skipPlayer(ServerPlayer player) {
return player.isSpectator() && !this.level.getGameRules().getBoolean(GameRules.RULE_SPECTATORSGENERATECHUNKS);
diff --git a/src/main/java/net/minecraft/server/level/DistanceManager.java b/src/main/java/net/minecraft/server/level/DistanceManager.java
index b49d380ef088aed3204ec71abc437c348ef004fa..577b391dcba1db712c1e2c83296e1c87b3e34ab2 100644
--- a/src/main/java/net/minecraft/server/level/DistanceManager.java
+++ b/src/main/java/net/minecraft/server/level/DistanceManager.java
@@ -45,7 +45,7 @@ public abstract class DistanceManager {
final Long2ObjectMap<ObjectSet<ServerPlayer>> playersPerChunk = new Long2ObjectOpenHashMap();
public final Long2ObjectOpenHashMap<SortedArraySet<Ticket<?>>> tickets = new Long2ObjectOpenHashMap();
private final DistanceManager.ChunkTicketTracker ticketTracker = new DistanceManager.ChunkTicketTracker();
- private final DistanceManager.FixedPlayerDistanceChunkTracker naturalSpawnChunkCounter = new DistanceManager.FixedPlayerDistanceChunkTracker(8);
+ public static final int MOB_SPAWN_RANGE = 8; // private final ChunkMapDistance.b f = new ChunkMapDistance.b(8); // Paper - no longer used
private final DistanceManager.PlayerTicketTracker playerTicketManager = new DistanceManager.PlayerTicketTracker(33);
// Paper start use a queue, but still keep unique requirement
public final java.util.Queue<ChunkHolder> pendingChunkUpdates = new java.util.ArrayDeque<ChunkHolder>() {
@@ -64,6 +64,8 @@ public abstract class DistanceManager {
final Executor mainThreadExecutor;
private long ticketTickCounter;
+ ChunkMap chunkMap; // Paper
+
protected DistanceManager(Executor workerExecutor, Executor mainThreadExecutor) {
Objects.requireNonNull(mainThreadExecutor);
ProcessorHandle<Runnable> mailbox = ProcessorHandle.of("player ticket throttler", mainThreadExecutor::execute);
@@ -108,7 +110,7 @@ public abstract class DistanceManager {
protected abstract ChunkHolder updateChunkScheduling(long pos, int level, @Nullable ChunkHolder holder, int k);
public boolean runAllUpdates(ChunkMap playerchunkmap) {
- this.naturalSpawnChunkCounter.runAllUpdates();
+ //this.f.a(); // Paper - no longer used
this.playerTicketManager.runAllUpdates();
int i = Integer.MAX_VALUE - this.ticketTracker.runDistanceUpdates(Integer.MAX_VALUE);
boolean flag = i != 0;
@@ -244,7 +246,7 @@ public abstract class DistanceManager {
((ObjectSet) this.playersPerChunk.computeIfAbsent(i, (j) -> {
return new ObjectOpenHashSet();
})).add(player);
- this.naturalSpawnChunkCounter.update(i, 0, true);
+ //this.f.update(i, 0, true); // Paper - no longer used
this.playerTicketManager.update(i, 0, true);
}
@@ -256,7 +258,7 @@ public abstract class DistanceManager {
if (objectset != null) objectset.remove(player); // Paper - some state corruption happens here, don't crash, clean up gracefully.
if (objectset == null || objectset.isEmpty()) { // Paper
this.playersPerChunk.remove(i);
- this.naturalSpawnChunkCounter.update(i, Integer.MAX_VALUE, false);
+ //this.f.update(i, Integer.MAX_VALUE, false); // Paper - no longer used
this.playerTicketManager.update(i, Integer.MAX_VALUE, false);
}
@@ -280,13 +282,17 @@ public abstract class DistanceManager {
}
public int getNaturalSpawnChunkCount() {
- this.naturalSpawnChunkCounter.runAllUpdates();
- return this.naturalSpawnChunkCounter.chunks.size();
+ // Paper start - use distance map to implement
+ // note: this is the spawn chunk count
+ return this.chunkMap.playerChunkTickRangeMap.size();
+ // Paper end - use distance map to implement
}
public boolean hasPlayersNearby(long i) {
- this.naturalSpawnChunkCounter.runAllUpdates();
- return this.naturalSpawnChunkCounter.chunks.containsKey(i);
+ // Paper start - use distance map to implement
+ // note: this is the is spawn chunk method
+ return this.chunkMap.playerChunkTickRangeMap.getObjectsInRange(i) != null;
+ // Paper end - use distance map to implement
}
public String getDebugStatus() {
diff --git a/src/main/java/net/minecraft/server/level/ServerChunkCache.java b/src/main/java/net/minecraft/server/level/ServerChunkCache.java
index 5009a782d80d5c358acb5a412d63a567fd7db3ab..d02eaf281b752f5b1442d06471b80ce28361f31a 100644
--- a/src/main/java/net/minecraft/server/level/ServerChunkCache.java
+++ b/src/main/java/net/minecraft/server/level/ServerChunkCache.java
@@ -733,6 +733,37 @@ public class ServerChunkCache extends ChunkSource {
boolean flag1 = this.level.getGameRules().getBoolean(GameRules.RULE_DOMOBSPAWNING) && !this.level.players().isEmpty(); // CraftBukkit
if (!flag) {
+ // Paper start - optimize isOutisdeRange
+ ChunkMap playerChunkMap = this.chunkMap;
+ for (ServerPlayer player : this.level.players) {
+ if (!player.affectsSpawning || player.isSpectator()) {
+ playerChunkMap.playerMobSpawnMap.remove(player);
+ continue;
+ }
+
+ int viewDistance = this.chunkMap.getEffectiveViewDistance();
+
+ // copied and modified from isOutisdeRange
+ int chunkRange = level.spigotConfig.mobSpawnRange;
+ chunkRange = (chunkRange > viewDistance) ? (byte)viewDistance : chunkRange;
+ chunkRange = (chunkRange > DistanceManager.MOB_SPAWN_RANGE) ? DistanceManager.MOB_SPAWN_RANGE : chunkRange;
+
+ com.destroystokyo.paper.event.entity.PlayerNaturallySpawnCreaturesEvent event = new com.destroystokyo.paper.event.entity.PlayerNaturallySpawnCreaturesEvent(player.getBukkitEntity(), (byte)chunkRange);
+ event.callEvent();
+ if (event.isCancelled() || event.getSpawnRadius() < 0 || playerChunkMap.playerChunkTickRangeMap.getLastViewDistance(player) == -1) {
+ playerChunkMap.playerMobSpawnMap.remove(player);
+ continue;
+ }
+
+ int range = Math.min(event.getSpawnRadius(), 32); // limit to max view distance
+ int chunkX = net.minecraft.server.MCUtil.getChunkCoordinate(player.getX());
+ int chunkZ = net.minecraft.server.MCUtil.getChunkCoordinate(player.getZ());
+
+ playerChunkMap.playerMobSpawnMap.addOrUpdate(player, chunkX, chunkZ, range);
+ player.lastEntitySpawnRadiusSquared = (double)((range << 4) * (range << 4)); // used in isOutsideRange
+ player.playerNaturallySpawnedEvent = event;
+ }
+ // Paper end - optimize isOutisdeRange
this.level.getProfiler().push("pollingChunks");
int k = this.level.getGameRules().getInt(GameRules.RULE_RANDOMTICKING);
boolean flag2 = level.ticksPerAnimalSpawns != 0L && worlddata.getGameTime() % level.ticksPerAnimalSpawns == 0L; // CraftBukkit
@@ -763,15 +794,7 @@ public class ServerChunkCache extends ChunkSource {
List<ChunkHolder> list = Lists.newArrayList(this.chunkMap.visibleChunkMap.values()); // Paper
Collections.shuffle(list);
- //Paper start - call player naturally spawn event
- int chunkRange = level.spigotConfig.mobSpawnRange;
- chunkRange = (chunkRange > level.spigotConfig.viewDistance) ? (byte) level.spigotConfig.viewDistance : chunkRange;
- chunkRange = Math.min(chunkRange, 8);
- for (ServerPlayer entityPlayer : this.level.players()) {
- entityPlayer.playerNaturallySpawnedEvent = new com.destroystokyo.paper.event.entity.PlayerNaturallySpawnCreaturesEvent(entityPlayer.getBukkitEntity(), (byte) chunkRange);
- entityPlayer.playerNaturallySpawnedEvent.callEvent();
- };
- // Paper end
+ // Paper - moved natural spawn event up
this.level.timings.chunkTicks.startTiming(); // Paper
final int[] chunksTicked = {0}; // Paper
list.forEach((playerchunk) -> {
@@ -781,9 +804,9 @@ public class ServerChunkCache extends ChunkSource {
LevelChunk chunk = (LevelChunk) optional.get();
ChunkPos chunkcoordintpair = chunk.getPos();
- if (this.level.isPositionEntityTicking(chunkcoordintpair) && !this.chunkMap.noPlayersCloseForSpawning(chunkcoordintpair)) {
+ if (this.level.isPositionEntityTicking(chunkcoordintpair) && !this.chunkMap.isOutsideOfRange(playerchunk, chunkcoordintpair, false)) { // Paper - optimise isOutsideOfRange
chunk.setInhabitedTime(chunk.getInhabitedTime() + j);
- if (flag1 && (this.spawnEnemies || this.spawnFriendlies) && this.level.getWorldBorder().isWithinBounds(chunk.getPos()) && !this.chunkMap.isOutsideOfRange(chunkcoordintpair, true)) { // Spigot
+ if (flag1 && (this.spawnEnemies || this.spawnFriendlies) && this.level.getWorldBorder().isWithinBounds(chunk.getPos()) && !this.chunkMap.isOutsideOfRange(playerchunk, chunkcoordintpair, true)) { // Spigot // Paper - optimise isOutsideOfRange
NaturalSpawner.spawnForChunk(this.level, chunk, spawnercreature_d, this.spawnFriendlies, this.spawnEnemies, flag2);
if (chunksTicked[0]++ % 10 == 0) this.level.getServer().midTickLoadChunks(); // Paper
}
diff --git a/src/main/java/net/minecraft/server/level/ServerPlayer.java b/src/main/java/net/minecraft/server/level/ServerPlayer.java
index 30f8f4a8314c849a66143a545c1af3440965c6aa..cf09bd17b9d2be04f79edef6debdd815b5f7f86c 100644
--- a/src/main/java/net/minecraft/server/level/ServerPlayer.java
+++ b/src/main/java/net/minecraft/server/level/ServerPlayer.java
@@ -250,6 +250,7 @@ public class ServerPlayer extends Player {
// CraftBukkit end
public PlayerNaturallySpawnCreaturesEvent playerNaturallySpawnedEvent; // Paper
+ public double lastEntitySpawnRadiusSquared; // Paper - optimise isOutsideRange, this field is in blocks
public final com.destroystokyo.paper.util.misc.PooledLinkedHashSets.PooledObjectLinkedOpenHashSet<ServerPlayer> cachedSingleHashSet; // Paper
boolean needsChunkCenterUpdate; // Paper - no-tick view distance