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Nassim Jahnke 2021-11-25 10:19:05 +01:00 • committed by MiniDigger | Martin
parent 011df7dc84
commit dabbf5b193
374 changed files with 427 additions and 472 deletions
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64
patches/removed/1.18/0431-Optimize-ServerLevels-chunk-level-checking-methods.patch
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@ -1,64 +0,0 @@
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Spottedleaf <Spottedleaf@users.noreply.github.com>
Date: Thu, 16 Apr 2020 16:13:59 -0700
Subject: [PATCH] Optimize ServerLevels chunk level checking methods
These can be hot functions (i.e entity ticking and block ticking),
so inline where possible, and avoid the abstraction of the
Either class.
diff --git a/src/main/java/net/minecraft/server/level/ServerLevel.java b/src/main/java/net/minecraft/server/level/ServerLevel.java
index cdacb26699a54659d1e43ec0f73640556a743700..32bfde94533fcba205e0de3bc55baa8359f8fae6 100644
--- a/src/main/java/net/minecraft/server/level/ServerLevel.java
+++ b/src/main/java/net/minecraft/server/level/ServerLevel.java
@@ -2136,15 +2136,18 @@ public class ServerLevel extends Level implements WorldGenLevel {
}
private boolean isPositionTickingWithEntitiesLoaded(long chunkPos) {
- return this.areEntitiesLoaded(chunkPos) && this.chunkSource.isPositionTicking(chunkPos);
+ // Paper start - optimize is ticking ready type functions
+ ChunkHolder chunkHolder = this.chunkSource.chunkMap.getVisibleChunkIfPresent(chunkPos);
+ return chunkHolder != null && chunkHolder.isTickingReady() && this.areEntitiesLoaded(chunkPos);
+ // Paper end
}
public boolean isPositionEntityTicking(BlockPos pos) {
- return this.entityManager.isPositionTicking(pos);
+ return this.entityManager.isPositionTicking(ChunkPos.asLong(pos)); // Paper
}
public boolean isPositionEntityTicking(ChunkPos pos) {
- return this.entityManager.isPositionTicking(pos);
+ return this.entityManager.isPositionTicking(pos.toLong()); // Paper
}
private final class EntityCallbacks implements LevelCallback<Entity> {
diff --git a/src/main/java/net/minecraft/world/level/ChunkPos.java b/src/main/java/net/minecraft/world/level/ChunkPos.java
index 18c8988dcb5b475c8738a313f1775b73c9d961f4..32037377737cd45fa55ecbe19c201f424a127714 100644
--- a/src/main/java/net/minecraft/world/level/ChunkPos.java
+++ b/src/main/java/net/minecraft/world/level/ChunkPos.java
@@ -49,7 +49,7 @@ public class ChunkPos {
}
public static long asLong(BlockPos pos) {
- return asLong(SectionPos.blockToSectionCoord(pos.getX()), SectionPos.blockToSectionCoord(pos.getZ()));
+ return (((long)pos.getX() >> 4) & 4294967295L) | ((((long)pos.getZ() >> 4) & 4294967295L) << 32); // Paper - inline
}
public static int getX(long pos) {
diff --git a/src/main/java/net/minecraft/world/level/entity/PersistentEntitySectionManager.java b/src/main/java/net/minecraft/world/level/entity/PersistentEntitySectionManager.java
index e19f5b2c8f485d596a64d5d96e75fa1f4a8255b5..ccafd28e3dc9a03f310eb5bdde85fcb277ef5116 100644
--- a/src/main/java/net/minecraft/world/level/entity/PersistentEntitySectionManager.java
+++ b/src/main/java/net/minecraft/world/level/entity/PersistentEntitySectionManager.java
@@ -383,6 +383,11 @@ public class PersistentEntitySectionManager<T extends EntityAccess> implements A
public LevelEntityGetter<T> getEntityGetter() {
return this.entityGetter;
}
+ // Paper start
+ public final boolean isPositionTicking(long position) {
+ return this.chunkVisibility.get(position).isTicking();
+ }
+ // Paper end
public boolean isPositionTicking(BlockPos pos) {
return ((Visibility) this.chunkVisibility.get(ChunkPos.asLong(pos))).isTicking();

397
patches/removed/1.18/0431-Use-distance-map-to-optimise-entity-tracker.patch
View file

@ -1,397 +0,0 @@
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Spottedleaf <Spottedleaf@users.noreply.github.com>
Date: Tue, 5 May 2020 20:18:05 -0700
Subject: [PATCH] Use distance map to optimise entity tracker
Use the distance map to find candidate players for tracking.
diff --git a/src/main/java/net/minecraft/server/level/ChunkMap.java b/src/main/java/net/minecraft/server/level/ChunkMap.java
index 3a546b879d093702e36118231020cf41fe972410..1a2e2f629840b3311b51f3810ab3a8c7257d103a 100644
--- a/src/main/java/net/minecraft/server/level/ChunkMap.java
+++ b/src/main/java/net/minecraft/server/level/ChunkMap.java
@@ -63,6 +63,7 @@ import net.minecraft.network.protocol.game.ClientboundSetEntityLinkPacket;
import net.minecraft.network.protocol.game.ClientboundSetPassengersPacket;
import net.minecraft.network.protocol.game.DebugPackets;
import net.minecraft.server.MCUtil;
+import net.minecraft.server.MinecraftServer;
import net.minecraft.server.level.progress.ChunkProgressListener;
import net.minecraft.server.network.ServerPlayerConnection;
import net.minecraft.util.CsvOutput;
@@ -187,11 +188,36 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
public final com.destroystokyo.paper.util.misc.PlayerAreaMap playerViewDistanceTickMap;
public final com.destroystokyo.paper.util.misc.PlayerAreaMap playerViewDistanceNoTickMap;
// Paper end - no-tick view distance
+ // Paper start - use distance map to optimise tracker
+ public static boolean isLegacyTrackingEntity(Entity entity) {
+ return entity.isLegacyTrackingEntity;
+ }
+
+ // inlined EnumMap, TrackingRange.TrackingRangeType
+ static final org.spigotmc.TrackingRange.TrackingRangeType[] TRACKING_RANGE_TYPES = org.spigotmc.TrackingRange.TrackingRangeType.values();
+ public final com.destroystokyo.paper.util.misc.PlayerAreaMap[] playerEntityTrackerTrackMaps;
+ final int[] entityTrackerTrackRanges;
+ public final int getEntityTrackerRange(final int ordinal) {
+ return this.entityTrackerTrackRanges[ordinal];
+ }
+
+ private int convertSpigotRangeToVanilla(final int vanilla) {
+ return MinecraftServer.getServer().getScaledTrackingDistance(vanilla);
+ }
+ // Paper end - use distance map to optimise tracker
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
+ // Paper start - use distance map to optimise entity tracker
+ for (int i = 0, len = TRACKING_RANGE_TYPES.length; i < len; ++i) {
+ com.destroystokyo.paper.util.misc.PlayerAreaMap trackMap = this.playerEntityTrackerTrackMaps[i];
+ int trackRange = this.entityTrackerTrackRanges[i];
+
+ trackMap.add(player, chunkX, chunkZ, Math.min(trackRange, this.getEffectiveViewDistance()));
+ }
+ // Paper end - use distance map to optimise entity tracker
// Paper start - no-tick view distance
int effectiveTickViewDistance = this.getEffectiveViewDistance();
int effectiveNoTickViewDistance = Math.max(this.getEffectiveNoTickViewDistance(), effectiveTickViewDistance);
@@ -208,7 +234,11 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
}
void removePlayerFromDistanceMaps(ServerPlayer player) {
-
+ // Paper start - use distance map to optimise tracker
+ for (int i = 0, len = TRACKING_RANGE_TYPES.length; i < len; ++i) {
+ this.playerEntityTrackerTrackMaps[i].remove(player);
+ }
+ // Paper end - use distance map to optimise tracker
// Paper start - no-tick view distance
this.playerViewDistanceBroadcastMap.remove(player);
this.playerViewDistanceTickMap.remove(player);
@@ -220,6 +250,14 @@ 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
+ // Paper start - use distance map to optimise entity tracker
+ for (int i = 0, len = TRACKING_RANGE_TYPES.length; i < len; ++i) {
+ com.destroystokyo.paper.util.misc.PlayerAreaMap trackMap = this.playerEntityTrackerTrackMaps[i];
+ int trackRange = this.entityTrackerTrackRanges[i];
+
+ trackMap.update(player, chunkX, chunkZ, Math.min(trackRange, this.getEffectiveViewDistance()));
+ }
+ // Paper end - use distance map to optimise entity tracker
// Paper start - no-tick view distance
int effectiveTickViewDistance = this.getEffectiveViewDistance();
int effectiveNoTickViewDistance = Math.max(this.getEffectiveNoTickViewDistance(), effectiveTickViewDistance);
@@ -346,6 +384,45 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
});
// Paper end - no-tick view distance
this.playerMobDistanceMap = this.level.paperConfig.perPlayerMobSpawns ? new com.destroystokyo.paper.util.PlayerMobDistanceMap() : null; // Paper
+ // Paper start - use distance map to optimise entity tracker
+ this.playerEntityTrackerTrackMaps = new com.destroystokyo.paper.util.misc.PlayerAreaMap[TRACKING_RANGE_TYPES.length];
+ this.entityTrackerTrackRanges = new int[TRACKING_RANGE_TYPES.length];
+
+ org.spigotmc.SpigotWorldConfig spigotWorldConfig = this.level.spigotConfig;
+
+ for (int ordinal = 0, len = TRACKING_RANGE_TYPES.length; ordinal < len; ++ordinal) {
+ org.spigotmc.TrackingRange.TrackingRangeType trackingRangeType = TRACKING_RANGE_TYPES[ordinal];
+ int configuredSpigotValue;
+ switch (trackingRangeType) {
+ case PLAYER:
+ configuredSpigotValue = spigotWorldConfig.playerTrackingRange;
+ break;
+ case ANIMAL:
+ configuredSpigotValue = spigotWorldConfig.animalTrackingRange;
+ break;
+ case MONSTER:
+ configuredSpigotValue = spigotWorldConfig.monsterTrackingRange;
+ break;
+ case MISC:
+ configuredSpigotValue = spigotWorldConfig.miscTrackingRange;
+ break;
+ case OTHER:
+ configuredSpigotValue = spigotWorldConfig.otherTrackingRange;
+ break;
+ case ENDERDRAGON:
+ configuredSpigotValue = EntityType.ENDER_DRAGON.clientTrackingRange() * 16;
+ break;
+ default:
+ throw new IllegalStateException("Missing case for enum " + trackingRangeType);
+ }
+ configuredSpigotValue = convertSpigotRangeToVanilla(configuredSpigotValue);
+
+ int trackRange = (configuredSpigotValue >>> 4) + ((configuredSpigotValue & 15) != 0 ? 1 : 0);
+ this.entityTrackerTrackRanges[ordinal] = trackRange;
+
+ this.playerEntityTrackerTrackMaps[ordinal] = new com.destroystokyo.paper.util.misc.PlayerAreaMap(this.pooledLinkedPlayerHashSets);
+ }
+ // Paper end - use distance map to optimise entity tracker
}
// Paper start
@@ -1418,17 +1495,7 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
}
public void move(ServerPlayer player) {
- ObjectIterator objectiterator = this.entityMap.values().iterator();
-
- while (objectiterator.hasNext()) {
- ChunkMap.TrackedEntity playerchunkmap_entitytracker = (ChunkMap.TrackedEntity) objectiterator.next();
-
- if (playerchunkmap_entitytracker.entity == player) {
- playerchunkmap_entitytracker.updatePlayers(this.level.players());
- } else {
- playerchunkmap_entitytracker.updatePlayer(player);
- }
- }
+ // Paper - delay this logic for the entity tracker tick, no need to duplicate it
int i = SectionPos.blockToSectionCoord(player.getBlockX());
int j = SectionPos.blockToSectionCoord(player.getBlockZ());
@@ -1583,7 +1650,7 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
entity.tracker = playerchunkmap_entitytracker; // Paper - Fast access to tracker
this.entityMap.put(entity.getId(), playerchunkmap_entitytracker);
- playerchunkmap_entitytracker.updatePlayers(this.level.players());
+ playerchunkmap_entitytracker.updatePlayers(entity.getPlayersInTrackRange()); // Paper - don't search all players
if (entity instanceof ServerPlayer) {
ServerPlayer entityplayer = (ServerPlayer) entity;
@@ -1627,7 +1694,37 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
entity.tracker = null; // Paper - We're no longer tracked
}
+ // Paper start - optimised tracker
+ private final void processTrackQueue() {
+ this.level.timings.tracker1.startTiming();
+ try {
+ for (TrackedEntity tracker : this.entityMap.values()) {
+ // update tracker entry
+ tracker.updatePlayers(tracker.entity.getPlayersInTrackRange());
+ }
+ } finally {
+ this.level.timings.tracker1.stopTiming();
+ }
+
+
+ this.level.timings.tracker2.startTiming();
+ try {
+ for (TrackedEntity tracker : this.entityMap.values()) {
+ tracker.serverEntity.sendChanges();
+ }
+ } finally {
+ this.level.timings.tracker2.stopTiming();
+ }
+ }
+ // Paper end - optimised tracker
+
protected void tick() {
+ // Paper start - optimized tracker
+ if (true) {
+ this.processTrackQueue();
+ return;
+ }
+ // Paper end - optimized tracker
List<ServerPlayer> list = Lists.newArrayList();
List<ServerPlayer> list1 = this.level.players();
@@ -1735,23 +1832,31 @@ Sections go from 0..16. Now whenever a section is not empty, it can potentially
DebugPackets.sendPoiPacketsForChunk(this.level, chunk.getPos());
List<Entity> list = Lists.newArrayList();
List<Entity> list1 = Lists.newArrayList();
- ObjectIterator objectiterator = this.entityMap.values().iterator();
+ // Paper start - optimise entity tracker
+ // use the chunk entity list, not the whole trackedEntities map...
+ Entity[] entities = chunk.entities.getRawData();
+ for (int i = 0, size = chunk.entities.size(); i < size; ++i) {
+ Entity entity = entities[i];
+ if (entity == player) {
+ continue;
+ }
+ ChunkMap.TrackedEntity tracker = this.entityMap.get(entity.getId());
+ if (tracker != null) { // dumb plugins... move on...
+ tracker.updatePlayer(player);
+ }
- while (objectiterator.hasNext()) {
- ChunkMap.TrackedEntity playerchunkmap_entitytracker = (ChunkMap.TrackedEntity) objectiterator.next();
- Entity entity = playerchunkmap_entitytracker.entity;
+ // keep the vanilla logic here - this is REQUIRED or else passengers and their vehicles disappear!
+ // (and god knows what the leash thing is)
- if (entity != player && entity.chunkPosition().equals(chunk.getPos())) {
- playerchunkmap_entitytracker.updatePlayer(player);
- if (entity instanceof Mob && ((Mob) entity).getLeashHolder() != null) {
- list.add(entity);
- }
+ if (entity instanceof Mob && ((Mob)entity).getLeashHolder() != null) {
+ list.add(entity);
+ }
- if (!entity.getPassengers().isEmpty()) {
- list1.add(entity);
- }
+ if (!entity.getPassengers().isEmpty()) {
+ list1.add(entity);
}
}
+ // Paper end - optimise entity tracker
Iterator iterator;
Entity entity1;
@@ -1834,6 +1939,42 @@ Sections go from 0..16. Now whenever a section is not empty, it can potentially
this.lastSectionPos = SectionPos.of(entity);
}
+ // Paper start - use distance map to optimise tracker
+ com.destroystokyo.paper.util.misc.PooledLinkedHashSets.PooledObjectLinkedOpenHashSet<ServerPlayer> lastTrackerCandidates;
+
+ final void updatePlayers(com.destroystokyo.paper.util.misc.PooledLinkedHashSets.PooledObjectLinkedOpenHashSet<ServerPlayer> newTrackerCandidates) {
+ com.destroystokyo.paper.util.misc.PooledLinkedHashSets.PooledObjectLinkedOpenHashSet<ServerPlayer> oldTrackerCandidates = this.lastTrackerCandidates;
+ this.lastTrackerCandidates = newTrackerCandidates;
+
+ if (newTrackerCandidates != null) {
+ Object[] rawData = newTrackerCandidates.getBackingSet();
+ for (int i = 0, len = rawData.length; i < len; ++i) {
+ Object raw = rawData[i];
+ if (!(raw instanceof ServerPlayer)) {
+ continue;
+ }
+ ServerPlayer player = (ServerPlayer)raw;
+ this.updatePlayer(player);
+ }
+ }
+
+ if (oldTrackerCandidates == newTrackerCandidates) {
+ // this is likely the case.
+ // means there has been no range changes, so we can just use the above for tracking.
+ return;
+ }
+
+ // stuff could have been removed, so we need to check the trackedPlayers set
+ // for players that were removed
+
+ for (ServerPlayerConnection conn : this.seenBy.toArray(new ServerPlayerConnection[0])) { // avoid CME
+ if (newTrackerCandidates == null || !newTrackerCandidates.contains(conn.getPlayer())) {
+ this.updatePlayer(conn.getPlayer());
+ }
+ }
+ }
+ // Paper end - use distance map to optimise tracker
+
public boolean equals(Object object) {
return object instanceof ChunkMap.TrackedEntity ? ((ChunkMap.TrackedEntity) object).entity.getId() == this.entity.getId() : false;
}
diff --git a/src/main/java/net/minecraft/world/entity/Entity.java b/src/main/java/net/minecraft/world/entity/Entity.java
index fbcbe0443f843d04738938f10b433bfe1631fe78..ee461f8da2663acc45896a9ae418c2f2129e3319 100644
--- a/src/main/java/net/minecraft/world/entity/Entity.java
+++ b/src/main/java/net/minecraft/world/entity/Entity.java
@@ -50,6 +50,7 @@ import net.minecraft.network.syncher.EntityDataSerializers;
import net.minecraft.network.syncher.SynchedEntityData;
import net.minecraft.resources.ResourceKey;
import net.minecraft.resources.ResourceLocation;
+import net.minecraft.server.MCUtil;
import net.minecraft.server.MinecraftServer;
import net.minecraft.server.level.ServerLevel;
import net.minecraft.server.level.ServerPlayer;
@@ -350,6 +351,39 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource, n
}
// Paper end
+ // Paper start - optimise entity tracking
+ final org.spigotmc.TrackingRange.TrackingRangeType trackingRangeType = org.spigotmc.TrackingRange.getTrackingRangeType(this);
+
+ public boolean isLegacyTrackingEntity = false;
+
+ public final void setLegacyTrackingEntity(final boolean isLegacyTrackingEntity) {
+ this.isLegacyTrackingEntity = isLegacyTrackingEntity;
+ }
+
+ public final com.destroystokyo.paper.util.misc.PooledLinkedHashSets.PooledObjectLinkedOpenHashSet<ServerPlayer> getPlayersInTrackRange() {
+ // determine highest range of passengers
+ if (this.passengers.isEmpty()) {
+ return ((ServerLevel)this.level).getChunkSource().chunkMap.playerEntityTrackerTrackMaps[this.trackingRangeType.ordinal()]
+ .getObjectsInRange(MCUtil.getCoordinateKey(this));
+ }
+ Iterable<Entity> passengers = this.getIndirectPassengers();
+ net.minecraft.server.level.ChunkMap chunkMap = ((ServerLevel)this.level).getChunkSource().chunkMap;
+ org.spigotmc.TrackingRange.TrackingRangeType type = this.trackingRangeType;
+ int range = chunkMap.getEntityTrackerRange(type.ordinal());
+
+ for (Entity passenger : passengers) {
+ org.spigotmc.TrackingRange.TrackingRangeType passengerType = passenger.trackingRangeType;
+ int passengerRange = chunkMap.getEntityTrackerRange(passengerType.ordinal());
+ if (passengerRange > range) {
+ type = passengerType;
+ range = passengerRange;
+ }
+ }
+
+ return chunkMap.playerEntityTrackerTrackMaps[type.ordinal()].getObjectsInRange(MCUtil.getCoordinateKey(this));
+ }
+ // Paper end - optimise entity tracking
+
public Entity(EntityType<?> type, Level world) {
this.id = Entity.ENTITY_COUNTER.incrementAndGet();
this.passengers = ImmutableList.of();
diff --git a/src/main/java/org/spigotmc/TrackingRange.java b/src/main/java/org/spigotmc/TrackingRange.java
index 24b1dfcf91d36947c87e9e5c2524317f8775ba95..e5bcbfe175a697e04886d04543e1278b7e83a184 100644
--- a/src/main/java/org/spigotmc/TrackingRange.java
+++ b/src/main/java/org/spigotmc/TrackingRange.java
@@ -24,6 +24,7 @@ public class TrackingRange
{
return defaultRange;
}
+ if (entity instanceof net.minecraft.world.entity.boss.enderdragon.EnderDragon) return defaultRange; // Paper - enderdragon is exempt
SpigotWorldConfig config = entity.level.spigotConfig;
if ( entity instanceof ServerPlayer )
{
@@ -47,8 +48,48 @@ public class TrackingRange
return config.miscTrackingRange;
} else
{
- if (entity instanceof net.minecraft.world.entity.boss.enderdragon.EnderDragon) return ((net.minecraft.server.level.ServerLevel)(entity.getCommandSenderWorld())).getChunkSource().chunkMap.getLoadViewDistance(); // Paper - enderdragon is exempt
return config.otherTrackingRange;
}
}
+
+ // Paper start - optimise entity tracking
+ // copied from above, TODO check on update
+ public static TrackingRangeType getTrackingRangeType(Entity entity)
+ {
+ if (entity instanceof net.minecraft.world.entity.boss.enderdragon.EnderDragon) return TrackingRangeType.ENDERDRAGON; // Paper - enderdragon is exempt
+ if ( entity instanceof ServerPlayer )
+ {
+ return TrackingRangeType.PLAYER;
+ // Paper start - Simplify and set water mobs to animal tracking range
+ }
+ switch (entity.activationType) {
+ case RAIDER:
+ case MONSTER:
+ case FLYING_MONSTER:
+ return TrackingRangeType.MONSTER;
+ case WATER:
+ case VILLAGER:
+ case ANIMAL:
+ return TrackingRangeType.ANIMAL;
+ case MISC:
+ }
+ if ( entity instanceof ItemFrame || entity instanceof Painting || entity instanceof ItemEntity || entity instanceof ExperienceOrb )
+ // Paper end
+ {
+ return TrackingRangeType.MISC;
+ } else
+ {
+ return TrackingRangeType.OTHER;
+ }
+ }
+
+ public static enum TrackingRangeType {
+ PLAYER,
+ ANIMAL,
+ MONSTER,
+ MISC,
+ OTHER,
+ ENDERDRAGON;
+ }
+ // Paper end - optimise entity tracking
}

375
patches/removed/1.18/0432-Optimize-isOutsideRange-to-use-distance-maps.patch
View file

@ -1,375 +0,0 @@
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 a3ba56f437fe9e4dac59370463052341eb9b7524..c6c4d2fd3205dfcaff9e0f1a6b92b74903275991 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 1a2e2f629840b3311b51f3810ab3a8c7257d103a..790761848d0ea0934b07c852675e8f746edac211 100644
--- a/src/main/java/net/minecraft/server/level/ChunkMap.java
+++ b/src/main/java/net/minecraft/server/level/ChunkMap.java
@@ -205,6 +205,17 @@ 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());
@@ -218,6 +229,12 @@ 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);
@@ -239,6 +256,10 @@ 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);
@@ -258,6 +279,9 @@ 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);
@@ -336,7 +360,7 @@ 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);
@@ -423,6 +447,38 @@ 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
@@ -610,6 +666,7 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
} else {
if (holder != null) {
holder.setTicketLevel(level);
+ holder.updateRanges(); // Paper - optimise isOutsideOfRange
}
if (holder != null) {
@@ -1431,29 +1488,50 @@ 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;
+ // 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();
- 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();
-
- 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 fe9711daa67151187906128c9d07ad967b72e677..0ce86c72cb829b816ec7bfb8f0d19396e1b12eb6 100644
--- a/src/main/java/net/minecraft/server/level/ServerChunkCache.java
+++ b/src/main/java/net/minecraft/server/level/ServerChunkCache.java
@@ -892,6 +892,37 @@ 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
@@ -922,15 +953,7 @@ public class ServerChunkCache extends ChunkSource {
List<ChunkHolder> list = Lists.newArrayList(this.chunkMap.getChunks());
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
list.forEach((playerchunk) -> {
Optional<LevelChunk> optional = ((Either) playerchunk.getTickingChunkFuture().getNow(ChunkHolder.UNLOADED_LEVEL_CHUNK)).left();
@@ -939,9 +962,9 @@ 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);
}
diff --git a/src/main/java/net/minecraft/server/level/ServerPlayer.java b/src/main/java/net/minecraft/server/level/ServerPlayer.java
index 40692f3559eec910a653e89d3bc199fb9f17db27..0f4f07513f4fe43c059a50257fcad5c30d1cc81d 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