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9147456fc9
Paper/patches/server/0723-Optimise-nearby-player-lookups.patch
Jake Potrebic 9147456fc9
Updated Upstream (CraftBukkit/Spigot) (#8815) 
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

CraftBukkit Changes:
ab8ace685 SPIGOT-7236: Bone meal doesn't increase use statistic
7dcb59b8e Avoid switch on material in previous commit

Spigot Changes:
19641c75 SPIGOT-7235: World.Spigot#strikeLightningEffect doesn't do anything
2023-01-27 12:52:04 -08:00

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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Spottedleaf <Spottedleaf@users.noreply.github.com>
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 e11ec87e8007979a1c6932b414bcd70c10db746c..bc46479fd0622a90fd98ac88f92b2840a22a2d04 100644
--- a/src/main/java/net/minecraft/server/level/ChunkHolder.java
+++ b/src/main/java/net/minecraft/server/level/ChunkHolder.java
@@ -93,6 +93,12 @@ public class ChunkHolder {
this.chunkMap.needsChangeBroadcasting.add(this);
}
// Paper end - optimise chunk tick iteration
+ // Paper start - optimise checkDespawn
+ LevelChunk chunk = this.getFullChunkNowUnchecked();
+ if (chunk != null) {
+ chunk.updateGeneralAreaCache();
+ }
+ // Paper end - optimise checkDespawn
}
public void onChunkRemove() {
@@ -105,6 +111,12 @@ public class ChunkHolder {
this.chunkMap.needsChangeBroadcasting.remove(this);
}
// Paper end - optimise chunk tick iteration
+ // Paper start - optimise checkDespawn
+ LevelChunk chunk = this.getFullChunkNowUnchecked();
+ if (chunk != null) {
+ chunk.removeGeneralAreaCache();
+ }
+ // Paper end - optimise checkDespawn
}
// Paper end
diff --git a/src/main/java/net/minecraft/server/level/ChunkMap.java b/src/main/java/net/minecraft/server/level/ChunkMap.java
index 57e13cb9d1460be34fe06f7c7e14330f60f0a51a..7f68b05b4d0789c308b5f90a5d626a633c80191f 100644
--- a/src/main/java/net/minecraft/server/level/ChunkMap.java
+++ b/src/main/java/net/minecraft/server/level/ChunkMap.java
@@ -156,6 +156,12 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
public final ReferenceOpenHashSet<ChunkHolder> needsChangeBroadcasting = new ReferenceOpenHashSet<>();
// Paper - rewrite chunk system
+ // 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
// Paper start - distance maps
private final com.destroystokyo.paper.util.misc.PooledLinkedHashSets<ServerPlayer> pooledLinkedPlayerHashSets = new com.destroystokyo.paper.util.misc.PooledLinkedHashSets<>();
@@ -208,6 +214,7 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
trackMap.add(player, chunkX, chunkZ, Math.min(trackRange, io.papermc.paper.chunk.system.ChunkSystem.getSendViewDistance(player)));
}
// Paper end - use distance map to optimise entity tracker
+ this.playerGeneralAreaMap.add(player, chunkX, chunkZ, GENERAL_AREA_MAP_SQUARE_RADIUS); // Paper - optimise checkDespawn
}
void removePlayerFromDistanceMaps(ServerPlayer player) {
@@ -217,6 +224,7 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
this.playerMobSpawnMap.remove(player);
this.playerChunkTickRangeMap.remove(player);
// Paper end - optimise ChunkMap#anyPlayerCloseEnoughForSpawning
+ this.playerGeneralAreaMap.remove(player); // Paper - optimise checkDespawns
// Paper start - per player mob spawning
if (this.playerMobDistanceMap != null) {
this.playerMobDistanceMap.remove(player);
@@ -248,6 +256,7 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
trackMap.update(player, chunkX, chunkZ, Math.min(trackRange, io.papermc.paper.chunk.system.ChunkSystem.getSendViewDistance(player)));
}
// Paper end - use distance map to optimise entity tracker
+ this.playerGeneralAreaMap.update(player, chunkX, chunkZ, GENERAL_AREA_MAP_SQUARE_RADIUS); // Paper - optimise checkDespawn
}
// Paper end
// Paper start
@@ -405,6 +414,23 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
}
});
// Paper end - optimise ChunkMap#anyPlayerCloseEnoughForSpawning
+ // 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 81a82ab392dba78ff20bb86140986f6bf72c8a77..c8e0531dccd7cff093c304b25c62476dbcb10ff9 100644
--- a/src/main/java/net/minecraft/server/level/ServerLevel.java
+++ b/src/main/java/net/minecraft/server/level/ServerLevel.java
@@ -444,6 +444,84 @@ public class ServerLevel extends Level implements WorldGenLevel {
}
// 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, IWorldDataServer -> WorldDataServer
public ServerLevel(MinecraftServer minecraftserver, Executor executor, LevelStorageSource.LevelStorageAccess convertable_conversionsession, PrimaryLevelData iworlddataserver, ResourceKey<Level> resourcekey, LevelStem worlddimension, ChunkProgressListener worldloadlistener, boolean flag, long i, List<CustomSpawner> list, boolean flag1, org.bukkit.World.Environment env, org.bukkit.generator.ChunkGenerator gen, org.bukkit.generator.BiomeProvider biomeProvider) {
// Holder holder = worlddimension.type(); // CraftBukkit - decompile error
@@ -546,6 +624,14 @@ 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.PLAYER_AFFECTS_SPAWNING.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 082da4f8eaede9d7f70341c207a2aaa6f07b997e..49b983064ea810382b6112f5dc7f93ba4e5710bd 100644
--- a/src/main/java/net/minecraft/world/entity/Mob.java
+++ b/src/main/java/net/minecraft/world/entity/Mob.java
@@ -826,7 +826,12 @@ 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.PLAYER_AFFECTS_SPAWNING); // Paper
+ // Paper start - optimise checkDespawn
+ Player entityhuman = this.level.findNearbyPlayer(this, level.paperConfig().entities.spawning.despawnRanges.get(this.getType().getCategory()).hard() + 1, EntitySelector.PLAYER_AFFECTS_SPAWNING); // 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 7c86a130afb536ece5726caf7f2b32f68fa5fa0a..413b4a5d2064381b2f52f6b4eef553c72029808f 100644
--- a/src/main/java/net/minecraft/world/level/Level.java
+++ b/src/main/java/net/minecraft/world/level/Level.java
@@ -204,6 +204,69 @@ public abstract class Level implements LevelAccessor, AutoCloseable {
return this.getChunkIfLoaded(chunkX, chunkZ) != null;
}
// 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
public abstract ResourceKey<LevelStem> getTypeKey();
diff --git a/src/main/java/net/minecraft/world/level/NaturalSpawner.java b/src/main/java/net/minecraft/world/level/NaturalSpawner.java
index 0a49769bfa83d0b9c435e3ab4bba85979d660ff8..01b21f520ef1c834b9bafc3de85c1fa4fcf539d6 100644
--- a/src/main/java/net/minecraft/world/level/NaturalSpawner.java
+++ b/src/main/java/net/minecraft/world/level/NaturalSpawner.java
@@ -260,7 +260,7 @@ 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);
@@ -334,7 +334,7 @@ public final class NaturalSpawner {
}
private static boolean isRightDistanceToPlayerAndSpawnPoint(ServerLevel world, ChunkAccess chunk, BlockPos.MutableBlockPos pos, double squaredDistance) {
- return squaredDistance <= 576.0D ? false : (world.getSharedSpawnPos().closerToCenterThan(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.isNaturalSpawningAllowed((BlockPos) pos));
+ return squaredDistance <= 576.0D ? false : (world.getSharedSpawnPos().closerToCenterThan(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.isNaturalSpawningAllowed((BlockPos) pos)); // Paper - diff on change, copy into caller
}
private static Boolean isValidSpawnPostitionForType(ServerLevel world, MobCategory group, StructureManager 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 a3c1bba1c1f795d203207776bab41b4b8f4e69d7..28e4b302284f955a73e75d0f4276d55fb51826f5 100644
--- a/src/main/java/net/minecraft/world/level/chunk/LevelChunk.java
+++ b/src/main/java/net/minecraft/world/level/chunk/LevelChunk.java
@@ -269,6 +269,98 @@ 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 removeGeneralAreaCache() {
+ this.playerGeneralAreaCacheSet = false;
+ this.playerGeneralAreaCache = null;
+ }
+
+ 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 entityLoader) {
this(world, protoChunk.getPos(), protoChunk.getUpgradeData(), protoChunk.unpackBlockTicks(), protoChunk.unpackFluidTicks(), protoChunk.getInhabitedTime(), protoChunk.getSections(), entityLoader, protoChunk.getBlendingData());
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