Paper/patches/server/0428-Optimize-anyPlayerCloseEnoughForSpawning-to-use-dist.patch
Jake Potrebic 1c5f8b0fce
Updated Upstream (Bukkit/CraftBukkit) (#7604)
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:
33a2b476 PR-734: Make PlayerInventory#getItem Nullable

CraftBukkit Changes:
953d3ddc SPIGOT-3034: PlayerKickEvent.setLeaveMessage(String) doesn't actually do anything
2c47af0c SPIGOT-6963: CraftMetaBlockState#getBlockState applied TileEntity ids without the minecraft namespace prefix.
2022-03-16 16:57:51 +01:00

371 lines
24 KiB
Diff

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 anyPlayerCloseEnoughForSpawning 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 674a6492e2eb10cfd29989643eedcea08b2d5218..dff475b327d6edaa4dcb9bc09029237f8f659846 100644
--- a/src/main/java/net/minecraft/server/level/ChunkHolder.java
+++ b/src/main/java/net/minecraft/server/level/ChunkHolder.java
@@ -76,6 +76,23 @@ public class ChunkHolder {
boolean isUpdateQueued = false; // Paper
private final ChunkMap chunkMap; // Paper
+ // Paper start - optimise anyPlayerCloseEnoughForSpawning
+ // 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 onChunkAdd() {
+ long key = net.minecraft.server.MCUtil.getCoordinateKey(this.pos);
+ this.playersInMobSpawnRange = this.chunkMap.playerMobSpawnMap.getObjectsInRange(key);
+ this.playersInChunkTickRange = this.chunkMap.playerChunkTickRangeMap.getObjectsInRange(key);
+ }
+
+ void onChunkRemove() {
+ this.playersInMobSpawnRange = null;
+ this.playersInChunkTickRange = null;
+ }
+ // Paper end - optimise anyPlayerCloseEnoughForSpawning
+
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;
@@ -97,6 +114,7 @@ public class ChunkHolder {
this.setTicketLevel(level);
this.changedBlocksPerSection = new ShortSet[world.getSectionsCount()];
this.chunkMap = (ChunkMap)playersWatchingChunkProvider; // Paper
+ this.onChunkAdd(); // Paper - optimise anyPlayerCloseEnoughForSpawning
}
// Paper start
diff --git a/src/main/java/net/minecraft/server/level/ChunkMap.java b/src/main/java/net/minecraft/server/level/ChunkMap.java
index 38efde791c99dd22de71183676d0301a1d5a14e0..63e264c862053874585b0f6aad2f89389c2dadcb 100644
--- a/src/main/java/net/minecraft/server/level/ChunkMap.java
+++ b/src/main/java/net/minecraft/server/level/ChunkMap.java
@@ -181,11 +181,23 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
final CallbackExecutor chunkLoadConversionCallbackExecutor = new CallbackExecutor(); // Paper
// Paper start - distance maps
private final com.destroystokyo.paper.util.misc.PooledLinkedHashSets<ServerPlayer> pooledLinkedPlayerHashSets = new com.destroystokyo.paper.util.misc.PooledLinkedHashSets<>();
+ // Paper start - optimise ChunkMap#anyPlayerCloseEnoughForSpawning
+ // 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 ChunkMap#anyPlayerCloseEnoughForSpawning
void addPlayerToDistanceMaps(ServerPlayer player) {
int chunkX = MCUtil.getChunkCoordinate(player.getX());
int chunkZ = MCUtil.getChunkCoordinate(player.getZ());
// Note: players need to be explicitly added to distance maps before they can be updated
+ this.playerChunkTickRangeMap.add(player, chunkX, chunkZ, DistanceManager.MOB_SPAWN_RANGE); // Paper - optimise ChunkMap#anyPlayerCloseEnoughForSpawning
// Paper start - per player mob spawning
if (this.playerMobDistanceMap != null) {
this.playerMobDistanceMap.add(player, chunkX, chunkZ, this.distanceManager.getSimulationDistance());
@@ -195,6 +207,10 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
void removePlayerFromDistanceMaps(ServerPlayer player) {
+ // Paper start - optimise ChunkMap#anyPlayerCloseEnoughForSpawning
+ this.playerMobSpawnMap.remove(player);
+ this.playerChunkTickRangeMap.remove(player);
+ // Paper end - optimise ChunkMap#anyPlayerCloseEnoughForSpawning
// Paper start - per player mob spawning
if (this.playerMobDistanceMap != null) {
this.playerMobDistanceMap.remove(player);
@@ -206,6 +222,7 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
int chunkX = MCUtil.getChunkCoordinate(player.getX());
int chunkZ = MCUtil.getChunkCoordinate(player.getZ());
// Note: players need to be explicitly added to distance maps before they can be updated
+ this.playerChunkTickRangeMap.update(player, chunkX, chunkZ, DistanceManager.MOB_SPAWN_RANGE); // Paper - optimise ChunkMap#anyPlayerCloseEnoughForSpawning
// Paper start - per player mob spawning
if (this.playerMobDistanceMap != null) {
this.playerMobDistanceMap.update(player, chunkX, chunkZ, this.distanceManager.getSimulationDistance());
@@ -286,6 +303,38 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
this.regionManagers.add(this.dataRegionManager);
// Paper end
this.playerMobDistanceMap = this.level.paperConfig.perPlayerMobSpawns ? new com.destroystokyo.paper.util.misc.PlayerAreaMap(this.pooledLinkedPlayerHashSets) : null; // Paper
+ // Paper start - optimise ChunkMap#anyPlayerCloseEnoughForSpawning
+ 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 ChunkMap#anyPlayerCloseEnoughForSpawning
}
protected ChunkGenerator generator() {
@@ -537,6 +586,7 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
holder = (ChunkHolder) this.pendingUnloads.remove(pos);
if (holder != null) {
holder.setTicketLevel(level);
+ holder.onChunkAdd(); // Paper - optimise anyPlayerCloseEnoughForSpawning - PUT HERE AFTER RE-ADDING ONLY
} else {
holder = new ChunkHolder(new ChunkPos(pos), level, this.level, this.lightEngine, this.queueSorter, this);
// Paper start
@@ -632,6 +682,7 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
ChunkHolder playerchunk = (ChunkHolder) this.updatingChunkMap.remove(j);
if (playerchunk != null) {
+ playerchunk.onChunkRemove(); // Paper
this.pendingUnloads.put(j, playerchunk);
this.modified = true;
++i;
@@ -1370,43 +1421,48 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
return this.anyPlayerCloseEnoughForSpawning(pos, false);
}
- boolean anyPlayerCloseEnoughForSpawning(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
- double blockRange = 16384.0D; // Paper
- // Spigot end
- long i = chunkcoordintpair.toLong();
+ // Paper start - optimise anyPlayerCloseEnoughForSpawning
+ final boolean anyPlayerCloseEnoughForSpawning(ChunkPos chunkcoordintpair, boolean reducedRange) {
+ return this.anyPlayerCloseEnoughForSpawning(this.getUpdatingChunkIfPresent(chunkcoordintpair.toLong()), chunkcoordintpair, reducedRange);
+ }
- if (!this.distanceManager.hasPlayersNearby(i)) {
+ final boolean anyPlayerCloseEnoughForSpawning(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 false;
- } else {
- Iterator iterator = this.playerMap.getPlayers(i).iterator();
-
- ServerPlayer entityplayer;
+ }
+ Object[] backingSet = playersInRange.getBackingSet();
- do {
- if (!iterator.hasNext()) {
- return false;
+ if (reducedRange) {
+ for (int i = 0, len = backingSet.length; i < len; ++i) {
+ Object raw = backingSet[i];
+ if (!(raw instanceof ServerPlayer player)) {
+ continue;
}
-
- entityplayer = (ServerPlayer) iterator.next();
- // Paper start - add PlayerNaturallySpawnCreaturesEvent
- com.destroystokyo.paper.event.entity.PlayerNaturallySpawnCreaturesEvent event;
- blockRange = 16384.0D;
- if (reducedRange) {
- event = entityplayer.playerNaturallySpawnedEvent;
- if (event == null || event.isCancelled()) return false;
- blockRange = (double) ((event.getSpawnRadius() << 4) * (event.getSpawnRadius() << 4));
+ // don't check spectator and whatnot, already handled by mob spawn map update
+ if (euclideanDistanceSquared(chunkcoordintpair, player) < player.lastEntitySpawnRadiusSquared) {
+ return true; // in range
}
- // Paper end
- } while (!this.playerIsCloseEnoughForSpawning(entityplayer, chunkcoordintpair, blockRange)); // Spigot
-
- return true;
+ }
+ } 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 player)) {
+ continue;
+ }
+ // don't check spectator and whatnot, already handled by mob spawn map update
+ if (euclideanDistanceSquared(chunkcoordintpair, player) < range) {
+ return true; // in range
+ }
+ }
}
+ // no players in range
+ return false;
+ // Paper end - optimise anyPlayerCloseEnoughForSpawning
}
public List<ServerPlayer> getPlayersCloseForSpawning(ChunkPos pos) {
diff --git a/src/main/java/net/minecraft/server/level/DistanceManager.java b/src/main/java/net/minecraft/server/level/DistanceManager.java
index 4a9d0fca55b71f817defcb4286154c0a47bede03..62118348d6fb00f063507debb488e1ff431d139c 100644
--- a/src/main/java/net/minecraft/server/level/DistanceManager.java
+++ b/src/main/java/net/minecraft/server/level/DistanceManager.java
@@ -49,7 +49,7 @@ 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 TickingTracker tickingTicketsTracker = new TickingTracker();
private final DistanceManager.PlayerTicketTracker playerTicketManager = new DistanceManager.PlayerTicketTracker(33);
// Paper start use a queue, but still keep unique requirement
@@ -140,7 +140,7 @@ public abstract class DistanceManager {
protected abstract ChunkHolder updateChunkScheduling(long pos, int level, @Nullable ChunkHolder holder, int k);
public boolean runAllUpdates(ChunkMap chunkStorage) {
- this.naturalSpawnChunkCounter.runAllUpdates();
+ //this.f.a(); // Paper - no longer used
this.tickingTicketsTracker.runAllUpdates();
this.playerTicketManager.runAllUpdates();
int i = Integer.MAX_VALUE - this.ticketTracker.runDistanceUpdates(Integer.MAX_VALUE);
@@ -289,7 +289,7 @@ 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);
this.tickingTicketsTracker.addTicket(TicketType.PLAYER, chunkcoordintpair, this.getPlayerTicketLevel(), chunkcoordintpair);
}
@@ -303,7 +303,7 @@ 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);
this.tickingTicketsTracker.removeTicket(TicketType.PLAYER, chunkcoordintpair, this.getPlayerTicketLevel(), chunkcoordintpair);
}
@@ -347,13 +347,17 @@ public abstract class DistanceManager {
// Paper end
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 chunkPos) {
- this.naturalSpawnChunkCounter.runAllUpdates();
- return this.naturalSpawnChunkCounter.chunks.containsKey(chunkPos);
+ // Paper start - use distance map to implement
+ // note: this is the is spawn chunk method
+ return this.chunkMap.playerChunkTickRangeMap.getObjectsInRange(chunkPos) != 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 1b6fb81079d3ad5d3c33be67a1c05111f9dd5f2d..1d5587bb9cf785de4b6d59234eb700c2e1a8a7dd 100644
--- a/src/main/java/net/minecraft/server/level/ServerChunkCache.java
+++ b/src/main/java/net/minecraft/server/level/ServerChunkCache.java
@@ -880,6 +880,37 @@ public class ServerChunkCache extends ChunkSource {
if (flag) {
this.chunkMap.tick();
} else {
+ // 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 anyPlayerCloseEnoughForSpawning
+ player.playerNaturallySpawnedEvent = event;
+ }
+ // Paper end - optimize isOutisdeRange
LevelData worlddata = this.level.getLevelData();
ProfilerFiller gameprofilerfiller = this.level.getProfiler();
@@ -923,15 +954,7 @@ public class ServerChunkCache extends ChunkSource {
boolean flag2 = this.level.getGameRules().getBoolean(GameRules.RULE_DOMOBSPAWNING) && !this.level.players().isEmpty(); // CraftBukkit
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
Iterator iterator1 = list.iterator();
while (iterator1.hasNext()) {
@@ -939,9 +962,9 @@ public class ServerChunkCache extends ChunkSource {
LevelChunk chunk1 = chunkproviderserver_a.chunk;
ChunkPos chunkcoordintpair = chunk1.getPos();
- if (this.level.isNaturalSpawningAllowed(chunkcoordintpair) && this.chunkMap.anyPlayerCloseEnoughForSpawning(chunkcoordintpair)) {
+ if (this.level.isNaturalSpawningAllowed(chunkcoordintpair) && this.chunkMap.anyPlayerCloseEnoughForSpawning(chunkproviderserver_a.holder, chunkcoordintpair, false)) { // Paper - optimise anyPlayerCloseEnoughForSpawning
chunk1.incrementInhabitedTime(j);
- if (flag2 && (this.spawnEnemies || this.spawnFriendlies) && this.level.getWorldBorder().isWithinBounds(chunkcoordintpair) && this.chunkMap.anyPlayerCloseEnoughForSpawning(chunkcoordintpair, true)) { // Spigot
+ if (flag2 && (this.spawnEnemies || this.spawnFriendlies) && this.level.getWorldBorder().isWithinBounds(chunkcoordintpair) && this.chunkMap.anyPlayerCloseEnoughForSpawning(chunkproviderserver_a.holder, chunkcoordintpair, true)) { // Spigot // Paper - optimise anyPlayerCloseEnoughForSpawning
NaturalSpawner.spawnForChunk(this.level, chunk1, spawnercreature_d, this.spawnFriendlies, this.spawnEnemies, flag1);
}
diff --git a/src/main/java/net/minecraft/server/level/ServerPlayer.java b/src/main/java/net/minecraft/server/level/ServerPlayer.java
index 78dea901bf3a9fdf723be87b0156af2fba5dcdc4..2f90a93224cbbd24d06eb25614e9a0a28300d639 100644
--- a/src/main/java/net/minecraft/server/level/ServerPlayer.java
+++ b/src/main/java/net/minecraft/server/level/ServerPlayer.java
@@ -252,6 +252,7 @@ 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
public ServerPlayer(MinecraftServer server, ServerLevel world, GameProfile profile) {