347 Zeilen
22 KiB
Diff
347 Zeilen
22 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Spottedleaf <Spottedleaf@users.noreply.github.com>
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Date: Tue, 5 May 2020 20:40:53 -0700
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Subject: [PATCH] Optimize anyPlayerCloseEnoughForSpawning to use distance maps
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Use a distance map to find the players in range quickly
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diff --git a/src/main/java/net/minecraft/server/level/ChunkHolder.java b/src/main/java/net/minecraft/server/level/ChunkHolder.java
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index c5389e7f3665c06e487dfde3200b7e229694fbd2..4164204ba80f68a768de0ed1721c6447b972a631 100644
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--- a/src/main/java/net/minecraft/server/level/ChunkHolder.java
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+++ b/src/main/java/net/minecraft/server/level/ChunkHolder.java
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@@ -79,16 +79,29 @@ public class ChunkHolder {
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// Paper start
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public void onChunkAdd() {
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-
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+ // Paper start - optimise anyPlayerCloseEnoughForSpawning
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+ long key = io.papermc.paper.util.MCUtil.getCoordinateKey(this.pos);
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+ this.playersInMobSpawnRange = this.chunkMap.playerMobSpawnMap.getObjectsInRange(key);
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+ this.playersInChunkTickRange = this.chunkMap.playerChunkTickRangeMap.getObjectsInRange(key);
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+ // Paper end - optimise anyPlayerCloseEnoughForSpawning
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}
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public void onChunkRemove() {
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-
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+ // Paper start - optimise anyPlayerCloseEnoughForSpawning
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+ this.playersInMobSpawnRange = null;
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+ this.playersInChunkTickRange = null;
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+ // Paper end - optimise anyPlayerCloseEnoughForSpawning
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}
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// Paper end
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public final io.papermc.paper.chunk.system.scheduling.NewChunkHolder newChunkHolder; // Paper - rewrite chunk system
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+ // Paper start - optimise anyPlayerCloseEnoughForSpawning
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+ // cached here to avoid a map lookup
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+ com.destroystokyo.paper.util.misc.PooledLinkedHashSets.PooledObjectLinkedOpenHashSet<ServerPlayer> playersInMobSpawnRange;
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+ com.destroystokyo.paper.util.misc.PooledLinkedHashSets.PooledObjectLinkedOpenHashSet<ServerPlayer> playersInChunkTickRange;
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+ // Paper end - optimise anyPlayerCloseEnoughForSpawning
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+
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// Paper start - replace player chunk loader
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private final com.destroystokyo.paper.util.maplist.ReferenceList<ServerPlayer> playersSentChunkTo = new com.destroystokyo.paper.util.maplist.ReferenceList<>();
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diff --git a/src/main/java/net/minecraft/server/level/ChunkMap.java b/src/main/java/net/minecraft/server/level/ChunkMap.java
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index 8d8bb430e44d7608a8aa44c7feb41797b8bbfb06..f400f95309a22a4bfcef899c39e9589105e6a6f0 100644
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--- a/src/main/java/net/minecraft/server/level/ChunkMap.java
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+++ b/src/main/java/net/minecraft/server/level/ChunkMap.java
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@@ -157,12 +157,24 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
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// Paper start - distance maps
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private final com.destroystokyo.paper.util.misc.PooledLinkedHashSets<ServerPlayer> pooledLinkedPlayerHashSets = new com.destroystokyo.paper.util.misc.PooledLinkedHashSets<>();
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+ // Paper start - optimise ChunkMap#anyPlayerCloseEnoughForSpawning
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+ // A note about the naming used here:
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+ // Previously, mojang used a "spawn range" of 8 for controlling both ticking and
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+ // mob spawn range. However, spigot makes the spawn range configurable by
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+ // checking if the chunk is in the tick range (8) and the spawn range
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+ // obviously this means a spawn range > 8 cannot be implemented
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+
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+ // these maps are named after spigot's uses
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+ 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
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+ public final com.destroystokyo.paper.util.misc.PlayerAreaMap playerChunkTickRangeMap;
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+ // Paper end - optimise ChunkMap#anyPlayerCloseEnoughForSpawning
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void addPlayerToDistanceMaps(ServerPlayer player) {
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this.level.playerChunkLoader.addPlayer(player); // Paper - replace chunk loader
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int chunkX = MCUtil.getChunkCoordinate(player.getX());
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int chunkZ = MCUtil.getChunkCoordinate(player.getZ());
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// Note: players need to be explicitly added to distance maps before they can be updated
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+ this.playerChunkTickRangeMap.add(player, chunkX, chunkZ, DistanceManager.MOB_SPAWN_RANGE); // Paper - optimise ChunkMap#anyPlayerCloseEnoughForSpawning
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// Paper start - per player mob spawning
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if (this.playerMobDistanceMap != null) {
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this.playerMobDistanceMap.add(player, chunkX, chunkZ, io.papermc.paper.chunk.system.ChunkSystem.getTickViewDistance(player));
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@@ -173,6 +185,10 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
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void removePlayerFromDistanceMaps(ServerPlayer player) {
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this.level.playerChunkLoader.removePlayer(player); // Paper - replace chunk loader
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+ // Paper start - optimise ChunkMap#anyPlayerCloseEnoughForSpawning
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+ this.playerMobSpawnMap.remove(player);
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+ this.playerChunkTickRangeMap.remove(player);
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+ // Paper end - optimise ChunkMap#anyPlayerCloseEnoughForSpawning
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// Paper start - per player mob spawning
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if (this.playerMobDistanceMap != null) {
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this.playerMobDistanceMap.remove(player);
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@@ -185,6 +201,7 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
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int chunkZ = MCUtil.getChunkCoordinate(player.getZ());
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// Note: players need to be explicitly added to distance maps before they can be updated
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this.level.playerChunkLoader.updatePlayer(player); // Paper - replace chunk loader
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+ this.playerChunkTickRangeMap.update(player, chunkX, chunkZ, DistanceManager.MOB_SPAWN_RANGE); // Paper - optimise ChunkMap#anyPlayerCloseEnoughForSpawning
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// Paper start - per player mob spawning
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if (this.playerMobDistanceMap != null) {
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this.playerMobDistanceMap.update(player, chunkX, chunkZ, io.papermc.paper.chunk.system.ChunkSystem.getTickViewDistance(player));
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@@ -276,6 +293,38 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
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this.regionManagers.add(this.dataRegionManager);
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// Paper end
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this.playerMobDistanceMap = this.level.paperConfig().entities.spawning.perPlayerMobSpawns ? new com.destroystokyo.paper.util.misc.PlayerAreaMap(this.pooledLinkedPlayerHashSets) : null; // Paper
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+ // Paper start - optimise ChunkMap#anyPlayerCloseEnoughForSpawning
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+ this.playerChunkTickRangeMap = new com.destroystokyo.paper.util.misc.PlayerAreaMap(this.pooledLinkedPlayerHashSets,
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+ (ServerPlayer player, int rangeX, int rangeZ, int currPosX, int currPosZ, int prevPosX, int prevPosZ,
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+ com.destroystokyo.paper.util.misc.PooledLinkedHashSets.PooledObjectLinkedOpenHashSet<ServerPlayer> newState) -> {
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+ ChunkHolder playerChunk = ChunkMap.this.getUpdatingChunkIfPresent(MCUtil.getCoordinateKey(rangeX, rangeZ));
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+ if (playerChunk != null) {
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+ playerChunk.playersInChunkTickRange = newState;
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+ }
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+ },
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+ (ServerPlayer player, int rangeX, int rangeZ, int currPosX, int currPosZ, int prevPosX, int prevPosZ,
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+ com.destroystokyo.paper.util.misc.PooledLinkedHashSets.PooledObjectLinkedOpenHashSet<ServerPlayer> newState) -> {
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+ ChunkHolder playerChunk = ChunkMap.this.getUpdatingChunkIfPresent(MCUtil.getCoordinateKey(rangeX, rangeZ));
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+ if (playerChunk != null) {
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+ playerChunk.playersInChunkTickRange = newState;
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+ }
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+ });
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+ this.playerMobSpawnMap = new com.destroystokyo.paper.util.misc.PlayerAreaMap(this.pooledLinkedPlayerHashSets,
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+ (ServerPlayer player, int rangeX, int rangeZ, int currPosX, int currPosZ, int prevPosX, int prevPosZ,
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+ com.destroystokyo.paper.util.misc.PooledLinkedHashSets.PooledObjectLinkedOpenHashSet<ServerPlayer> newState) -> {
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+ ChunkHolder playerChunk = ChunkMap.this.getUpdatingChunkIfPresent(MCUtil.getCoordinateKey(rangeX, rangeZ));
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+ if (playerChunk != null) {
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+ playerChunk.playersInMobSpawnRange = newState;
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+ }
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+ },
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+ (ServerPlayer player, int rangeX, int rangeZ, int currPosX, int currPosZ, int prevPosX, int prevPosZ,
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+ com.destroystokyo.paper.util.misc.PooledLinkedHashSets.PooledObjectLinkedOpenHashSet<ServerPlayer> newState) -> {
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+ ChunkHolder playerChunk = ChunkMap.this.getUpdatingChunkIfPresent(MCUtil.getCoordinateKey(rangeX, rangeZ));
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+ if (playerChunk != null) {
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+ playerChunk.playersInMobSpawnRange = newState;
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+ }
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+ });
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+ // Paper end - optimise ChunkMap#anyPlayerCloseEnoughForSpawning
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}
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protected ChunkGenerator generator() {
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@@ -850,43 +899,48 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
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return this.anyPlayerCloseEnoughForSpawning(pos, false);
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}
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- boolean anyPlayerCloseEnoughForSpawning(ChunkPos chunkcoordintpair, boolean reducedRange) {
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- int chunkRange = level.spigotConfig.mobSpawnRange;
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- chunkRange = (chunkRange > level.spigotConfig.viewDistance) ? (byte) level.spigotConfig.viewDistance : chunkRange;
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- chunkRange = (chunkRange > 8) ? 8 : chunkRange;
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-
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- final int finalChunkRange = chunkRange; // Paper for lambda below
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- //double blockRange = (reducedRange) ? Math.pow(chunkRange << 4, 2) : 16384.0D; // Paper - use from event
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- double blockRange = 16384.0D; // Paper
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- // Spigot end
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- long i = chunkcoordintpair.toLong();
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+ // Paper start - optimise anyPlayerCloseEnoughForSpawning
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+ final boolean anyPlayerCloseEnoughForSpawning(ChunkPos chunkcoordintpair, boolean reducedRange) {
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+ return this.anyPlayerCloseEnoughForSpawning(this.getUpdatingChunkIfPresent(chunkcoordintpair.toLong()), chunkcoordintpair, reducedRange);
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+ }
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- if (!this.distanceManager.hasPlayersNearby(i)) {
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+ final boolean anyPlayerCloseEnoughForSpawning(ChunkHolder playerchunk, ChunkPos chunkcoordintpair, boolean reducedRange) {
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+ // this function is so hot that removing the map lookup call can have an order of magnitude impact on its performance
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+ // tested and confirmed via System.nanoTime()
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+ com.destroystokyo.paper.util.misc.PooledLinkedHashSets.PooledObjectLinkedOpenHashSet<ServerPlayer> playersInRange = reducedRange ? playerchunk.playersInMobSpawnRange : playerchunk.playersInChunkTickRange;
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+ if (playersInRange == null) {
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return false;
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- } else {
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- Iterator iterator = this.playerMap.getPlayers(i).iterator();
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-
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- ServerPlayer entityplayer;
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+ }
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+ Object[] backingSet = playersInRange.getBackingSet();
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- do {
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- if (!iterator.hasNext()) {
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- return false;
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+ if (reducedRange) {
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+ for (int i = 0, len = backingSet.length; i < len; ++i) {
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+ Object raw = backingSet[i];
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+ if (!(raw instanceof ServerPlayer player)) {
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+ continue;
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}
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-
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- entityplayer = (ServerPlayer) iterator.next();
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- // Paper start - add PlayerNaturallySpawnCreaturesEvent
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- com.destroystokyo.paper.event.entity.PlayerNaturallySpawnCreaturesEvent event;
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- blockRange = 16384.0D;
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- if (reducedRange) {
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- event = entityplayer.playerNaturallySpawnedEvent;
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- if (event == null || event.isCancelled()) return false;
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- blockRange = (double) ((event.getSpawnRadius() << 4) * (event.getSpawnRadius() << 4));
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+ // don't check spectator and whatnot, already handled by mob spawn map update
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+ if (euclideanDistanceSquared(chunkcoordintpair, player) < player.lastEntitySpawnRadiusSquared) {
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+ return true; // in range
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}
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- // Paper end
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- } while (!this.playerIsCloseEnoughForSpawning(entityplayer, chunkcoordintpair, blockRange)); // Spigot
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-
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- return true;
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+ }
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+ } else {
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+ final double range = (DistanceManager.MOB_SPAWN_RANGE * 16) * (DistanceManager.MOB_SPAWN_RANGE * 16);
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+ // before spigot, mob spawn range was actually mob spawn range + tick range, but it was split
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+ for (int i = 0, len = backingSet.length; i < len; ++i) {
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+ Object raw = backingSet[i];
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+ if (!(raw instanceof ServerPlayer player)) {
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+ continue;
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+ }
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+ // don't check spectator and whatnot, already handled by mob spawn map update
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+ if (euclideanDistanceSquared(chunkcoordintpair, player) < range) {
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+ return true; // in range
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+ }
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+ }
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}
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+ // no players in range
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+ return false;
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+ // Paper end - optimise anyPlayerCloseEnoughForSpawning
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}
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public List<ServerPlayer> getPlayersCloseForSpawning(ChunkPos pos) {
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diff --git a/src/main/java/net/minecraft/server/level/DistanceManager.java b/src/main/java/net/minecraft/server/level/DistanceManager.java
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index 0a926afa06a5e37cf2650afa1b5099a2a9ffa659..ae4a4710ba07614be42cdcbf52cee04cfa08466b 100644
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--- a/src/main/java/net/minecraft/server/level/DistanceManager.java
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+++ b/src/main/java/net/minecraft/server/level/DistanceManager.java
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@@ -50,7 +50,7 @@ public abstract class DistanceManager {
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private static final int INITIAL_TICKET_LIST_CAPACITY = 4;
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final Long2ObjectMap<ObjectSet<ServerPlayer>> playersPerChunk = new Long2ObjectOpenHashMap();
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// Paper - rewrite chunk system
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- private final DistanceManager.FixedPlayerDistanceChunkTracker naturalSpawnChunkCounter = new DistanceManager.FixedPlayerDistanceChunkTracker(8);
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+ public static final int MOB_SPAWN_RANGE = 8; // private final DistanceManager.FixedPlayerDistanceChunkTracker naturalSpawnChunkCounter = new DistanceManager.FixedPlayerDistanceChunkTracker(8); // Paper - no longer used
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// Paper - rewrite chunk system
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private final ChunkMap chunkMap; // Paper
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@@ -136,7 +136,7 @@ public abstract class DistanceManager {
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long i = chunkcoordintpair.toLong();
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// Paper - no longer used
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- this.naturalSpawnChunkCounter.update(i, 0, true);
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+ //this.naturalSpawnChunkCounter.update(i, 0, true); // Paper - no longer used
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//this.playerTicketManager.update(i, 0, true); // Paper - no longer used
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//this.tickingTicketsTracker.addTicket(TicketType.PLAYER, chunkcoordintpair, this.getPlayerTicketLevel(), chunkcoordintpair); // Paper - no longer used
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}
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@@ -150,7 +150,7 @@ public abstract class DistanceManager {
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if (objectset != null) objectset.remove(player); // Paper - some state corruption happens here, don't crash, clean up gracefully.
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if (objectset == null || objectset.isEmpty()) { // Paper
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this.playersPerChunk.remove(i);
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- this.naturalSpawnChunkCounter.update(i, Integer.MAX_VALUE, false);
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+ // this.naturalSpawnChunkCounter.update(i, Integer.MAX_VALUE, false); // Paper - no longer used
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//this.playerTicketManager.update(i, Integer.MAX_VALUE, false); // Paper - no longer used
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//this.tickingTicketsTracker.removeTicket(TicketType.PLAYER, chunkcoordintpair, this.getPlayerTicketLevel(), chunkcoordintpair); // Paper - no longer used
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}
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@@ -192,13 +192,17 @@ public abstract class DistanceManager {
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}
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public int getNaturalSpawnChunkCount() {
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- this.naturalSpawnChunkCounter.runAllUpdates();
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- return this.naturalSpawnChunkCounter.chunks.size();
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+ // Paper start - use distance map to implement
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+ // note: this is the spawn chunk count
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+ return this.chunkMap.playerChunkTickRangeMap.size();
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+ // Paper end - use distance map to implement
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}
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public boolean hasPlayersNearby(long chunkPos) {
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- this.naturalSpawnChunkCounter.runAllUpdates();
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- return this.naturalSpawnChunkCounter.chunks.containsKey(chunkPos);
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+ // Paper start - use distance map to implement
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+ // note: this is the is spawn chunk method
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+ return this.chunkMap.playerChunkTickRangeMap.getObjectsInRange(chunkPos) != null;
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+ // Paper end - use distance map to implement
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}
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public String getDebugStatus() {
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diff --git a/src/main/java/net/minecraft/server/level/ServerChunkCache.java b/src/main/java/net/minecraft/server/level/ServerChunkCache.java
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index 3f5d572994bc8b3f1e106105dc0bb202ad005b8c..5c5fe2087a7617324ab8e18389e3ffa9ac413026 100644
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--- a/src/main/java/net/minecraft/server/level/ServerChunkCache.java
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+++ b/src/main/java/net/minecraft/server/level/ServerChunkCache.java
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@@ -517,6 +517,37 @@ public class ServerChunkCache extends ChunkSource {
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if (flag) {
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this.chunkMap.tick();
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} else {
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+ // Paper start - optimize isOutisdeRange
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+ ChunkMap playerChunkMap = this.chunkMap;
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+ for (ServerPlayer player : this.level.players) {
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+ if (!player.affectsSpawning || player.isSpectator()) {
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+ playerChunkMap.playerMobSpawnMap.remove(player);
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+ continue;
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+ }
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+
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+ int viewDistance = this.chunkMap.getEffectiveViewDistance();
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+
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+ // copied and modified from isOutisdeRange
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+ int chunkRange = level.spigotConfig.mobSpawnRange;
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+ chunkRange = (chunkRange > viewDistance) ? (byte)viewDistance : chunkRange;
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+ chunkRange = (chunkRange > DistanceManager.MOB_SPAWN_RANGE) ? DistanceManager.MOB_SPAWN_RANGE : chunkRange;
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+
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+ com.destroystokyo.paper.event.entity.PlayerNaturallySpawnCreaturesEvent event = new com.destroystokyo.paper.event.entity.PlayerNaturallySpawnCreaturesEvent(player.getBukkitEntity(), (byte)chunkRange);
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+ event.callEvent();
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+ if (event.isCancelled() || event.getSpawnRadius() < 0 || playerChunkMap.playerChunkTickRangeMap.getLastViewDistance(player) == -1) {
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+ playerChunkMap.playerMobSpawnMap.remove(player);
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+ continue;
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+ }
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+
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+ int range = Math.min(event.getSpawnRadius(), 32); // limit to max view distance
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+ int chunkX = io.papermc.paper.util.MCUtil.getChunkCoordinate(player.getX());
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+ int chunkZ = io.papermc.paper.util.MCUtil.getChunkCoordinate(player.getZ());
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+
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+ playerChunkMap.playerMobSpawnMap.addOrUpdate(player, chunkX, chunkZ, range);
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+ player.lastEntitySpawnRadiusSquared = (double)((range << 4) * (range << 4)); // used in anyPlayerCloseEnoughForSpawning
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+ player.playerNaturallySpawnedEvent = event;
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+ }
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+ // Paper end - optimize isOutisdeRange
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LevelData worlddata = this.level.getLevelData();
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ProfilerFiller gameprofilerfiller = this.level.getProfiler();
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@@ -560,15 +591,7 @@ public class ServerChunkCache extends ChunkSource {
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boolean flag2 = this.level.getGameRules().getBoolean(GameRules.RULE_DOMOBSPAWNING) && !this.level.players().isEmpty(); // CraftBukkit
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Collections.shuffle(list);
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- // Paper start - call player naturally spawn event
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- int chunkRange = level.spigotConfig.mobSpawnRange;
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- chunkRange = (chunkRange > level.spigotConfig.viewDistance) ? (byte) level.spigotConfig.viewDistance : chunkRange;
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- chunkRange = Math.min(chunkRange, 8);
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- for (ServerPlayer entityPlayer : this.level.players()) {
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- entityPlayer.playerNaturallySpawnedEvent = new com.destroystokyo.paper.event.entity.PlayerNaturallySpawnCreaturesEvent(entityPlayer.getBukkitEntity(), (byte) chunkRange);
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- entityPlayer.playerNaturallySpawnedEvent.callEvent();
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- };
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- // Paper end
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+ // Paper - moved natural spawn event up
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Iterator iterator1 = list.iterator();
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while (iterator1.hasNext()) {
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@@ -576,9 +599,9 @@ public class ServerChunkCache extends ChunkSource {
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LevelChunk chunk1 = chunkproviderserver_a.chunk;
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ChunkPos chunkcoordintpair = chunk1.getPos();
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- if (this.level.isNaturalSpawningAllowed(chunkcoordintpair) && this.chunkMap.anyPlayerCloseEnoughForSpawning(chunkcoordintpair)) {
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+ if (this.level.isNaturalSpawningAllowed(chunkcoordintpair) && this.chunkMap.anyPlayerCloseEnoughForSpawning(chunkproviderserver_a.holder, chunkcoordintpair, false)) { // Paper - optimise anyPlayerCloseEnoughForSpawning
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chunk1.incrementInhabitedTime(j);
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- if (flag2 && (this.spawnEnemies || this.spawnFriendlies) && this.level.getWorldBorder().isWithinBounds(chunkcoordintpair) && this.chunkMap.anyPlayerCloseEnoughForSpawning(chunkcoordintpair, true)) { // Spigot
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+ if (flag2 && (this.spawnEnemies || this.spawnFriendlies) && this.level.getWorldBorder().isWithinBounds(chunkcoordintpair) && this.chunkMap.anyPlayerCloseEnoughForSpawning(chunkproviderserver_a.holder, chunkcoordintpair, true)) { // Spigot // Paper - optimise anyPlayerCloseEnoughForSpawning
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NaturalSpawner.spawnForChunk(this.level, chunk1, spawnercreature_d, this.spawnFriendlies, this.spawnEnemies, flag1);
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}
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diff --git a/src/main/java/net/minecraft/server/level/ServerPlayer.java b/src/main/java/net/minecraft/server/level/ServerPlayer.java
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index 9c7bb62646fff8ba0ab9e666dcf706ef5c5dc041..63765c837d1becaba6a8d9c71929f47486683530 100644
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--- a/src/main/java/net/minecraft/server/level/ServerPlayer.java
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+++ b/src/main/java/net/minecraft/server/level/ServerPlayer.java
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@@ -273,6 +273,7 @@ public class ServerPlayer extends Player {
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public Integer clientViewDistance;
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// CraftBukkit end
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public boolean isRealPlayer; // Paper
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+ public double lastEntitySpawnRadiusSquared; // Paper - optimise isOutsideRange, this field is in blocks
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public final com.destroystokyo.paper.util.misc.PooledLinkedHashSets.PooledObjectLinkedOpenHashSet<ServerPlayer> cachedSingleHashSet; // Paper
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public PlayerNaturallySpawnCreaturesEvent playerNaturallySpawnedEvent; // Paper
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public org.bukkit.event.player.PlayerQuitEvent.QuitReason quitReason = null; // Paper - there are a lot of changes to do if we change all methods leading to the event
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