mirror of
https://github.com/PaperMC/Paper.git
synced 2024-11-06 19:00:16 +01:00
a207d14a0e
Signed-off-by: Mariell Hoversholm <proximyst@proximyst.com>
385 lines
24 KiB
Diff
385 lines
24 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 isOutsideRange 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 d12d5459c847d3f0d655c85e31d81c27b7a2face..0147798c0285f64b8d767dfb2709d92f66ac72ef 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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@@ -69,6 +69,18 @@ public class ChunkHolder {
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long lastAutoSaveTime; // Paper - incremental autosave
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long inactiveTimeStart; // Paper - incremental autosave
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+ // Paper start - optimise isOutsideOfRange
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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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+
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+ void updateRanges() {
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+ long key = net.minecraft.server.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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+ }
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+ // Paper end - optimise isOutsideOfRange
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+
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public ChunkHolder(ChunkPos pos, int level, LevelLightEngine lightingProvider, ChunkHolder.LevelChangeListener levelUpdateListener, ChunkHolder.PlayerProvider playersWatchingChunkProvider) {
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this.futures = new AtomicReferenceArray(ChunkHolder.CHUNK_STATUSES.size());
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this.fullChunkFuture = ChunkHolder.UNLOADED_LEVEL_CHUNK_FUTURE;
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@@ -85,6 +97,7 @@ public class ChunkHolder {
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this.queueLevel = this.oldTicketLevel;
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this.setTicketLevel(level);
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this.chunkMap = (ChunkMap)playersWatchingChunkProvider; // Paper
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+ this.updateRanges(); // Paper - optimise isOutsideOfRange
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}
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// Paper start
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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 41147be189f764c2346cf015890a148f9730bc0f..56ca469bf930bcced88efdafc78f464c756a5be9 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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@@ -208,6 +208,17 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
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return MinecraftServer.getServer().applyTrackingRangeScale(vanilla);
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}
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// Paper end - use distance map to optimise tracker
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+ // Paper start - optimise PlayerChunkMap#isOutsideRange
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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 PlayerChunkMap#isOutsideRange
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void addPlayerToDistanceMaps(ServerPlayer player) {
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int chunkX = MCUtil.getChunkCoordinate(player.getX());
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@@ -221,6 +232,9 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
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trackMap.add(player, chunkX, chunkZ, Math.min(trackRange, this.getEffectiveViewDistance()));
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}
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// Paper end - use distance map to optimise entity tracker
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+ // Paper start - optimise PlayerChunkMap#isOutsideRange
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+ this.playerChunkTickRangeMap.add(player, chunkX, chunkZ, DistanceManager.MOB_SPAWN_RANGE);
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+ // Paper end - optimise PlayerChunkMap#isOutsideRange
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}
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void removePlayerFromDistanceMaps(ServerPlayer player) {
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@@ -229,6 +243,10 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
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this.playerEntityTrackerTrackMaps[i].remove(player);
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}
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// Paper end - use distance map to optimise tracker
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+ // Paper start - optimise PlayerChunkMap#isOutsideRange
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+ this.playerMobSpawnMap.remove(player);
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+ this.playerChunkTickRangeMap.remove(player);
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+ // Paper end - optimise PlayerChunkMap#isOutsideRange
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}
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void updateMaps(ServerPlayer player) {
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@@ -243,6 +261,9 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
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trackMap.update(player, chunkX, chunkZ, Math.min(trackRange, this.getEffectiveViewDistance()));
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}
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// Paper end - use distance map to optimise entity tracker
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+ // Paper start - optimise PlayerChunkMap#isOutsideRange
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+ this.playerChunkTickRangeMap.update(player, chunkX, chunkZ, DistanceManager.MOB_SPAWN_RANGE);
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+ // Paper end - optimise PlayerChunkMap#isOutsideRange
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}
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// Paper end
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@@ -274,7 +295,7 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
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this.worldgenMailbox = this.queueSorter.getProcessor(threadedmailbox, false);
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this.mainThreadMailbox = this.queueSorter.getProcessor(mailbox, false);
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this.lightEngine = new ThreadedLevelLightEngine(chunkProvider, this, this.level.dimensionType().hasSkyLight(), threadedmailbox1, this.queueSorter.getProcessor(threadedmailbox1, false));
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- this.distanceManager = new ChunkMap.ChunkDistanceManager(workerExecutor, mainThreadExecutor);
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+ this.distanceManager = new ChunkMap.ChunkDistanceManager(workerExecutor, mainThreadExecutor); this.distanceManager.chunkMap = this; // Paper
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this.overworldDataStorage = supplier;
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this.poiManager = new PoiManager(new File(this.storageFolder, "poi"), dataFixer, flag, this.level); // Paper
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this.setViewDistance(i);
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@@ -318,6 +339,38 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
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this.playerEntityTrackerTrackMaps[ordinal] = new com.destroystokyo.paper.util.misc.PlayerAreaMap(this.pooledLinkedPlayerHashSets);
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}
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// Paper end - use distance map to optimise entity tracker
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+ // Paper start - optimise PlayerChunkMap#isOutsideRange
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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 PlayerChunkMap#isOutsideRange
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}
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public void updatePlayerMobTypeMap(Entity entity) {
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@@ -337,6 +390,7 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
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return entityPlayer.mobCounts[enumCreatureType.ordinal()];
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}
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+ private static double getDistanceSquaredFromChunk(ChunkPos chunkPos, Entity entity) { return euclideanDistanceSquared(chunkPos, entity); } // Paper - OBFHELPER
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private static double euclideanDistanceSquared(ChunkPos pos, Entity entity) {
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double d0 = (double) (pos.x * 16 + 8);
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double d1 = (double) (pos.z * 16 + 8);
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@@ -515,6 +569,7 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
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} else {
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if (holder != null) {
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holder.setTicketLevel(level);
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+ holder.updateRanges(); // Paper - optimise isOutsideOfRange
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}
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if (holder != null) {
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@@ -1493,30 +1548,53 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
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return isOutsideOfRange(chunkcoordintpair, false);
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}
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- boolean isOutsideOfRange(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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+ // Paper start - optimise isOutsideOfRange
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+ final boolean isOutsideOfRange(ChunkPos chunkcoordintpair, boolean reducedRange) {
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+ return this.isOutsideOfRange(this.getUpdatingChunkIfPresent(chunkcoordintpair.toLong()), chunkcoordintpair, reducedRange);
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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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- // Spigot end
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- long i = chunkcoordintpair.toLong();
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+ final boolean isOutsideOfRange(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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- return !this.distanceManager.hasPlayersNearby(i) ? true : this.playerMap.a(i).noneMatch((entityplayer) -> {
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- // Paper start -
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- com.destroystokyo.paper.event.entity.PlayerNaturallySpawnCreaturesEvent event;
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- double 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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- }
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+ if (playersInRange == null) {
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+ return true;
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+ }
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- return (!entityplayer.isSpectator() && a(chunkcoordintpair, (Entity) entityplayer) < blockRange); // Spigot
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- // Paper end
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- });
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+ Object[] backingSet = playersInRange.getBackingSet();
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+
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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)) {
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+ continue;
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+ }
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+ ServerPlayer player = (ServerPlayer) raw;
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+ // don't check spectator and whatnot, already handled by mob spawn map update
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+ if (player.lastEntitySpawnRadiusSquared > getDistanceSquaredFromChunk(chunkcoordintpair, player)) {
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+ return false; // in range
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+ }
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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)) {
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+ continue;
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+ }
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+ ServerPlayer player = (ServerPlayer) raw;
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+ // don't check spectator and whatnot, already handled by mob spawn map update
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+ if (range > getDistanceSquaredFromChunk(chunkcoordintpair, player)) {
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+ return false; // 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 true;
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}
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+ // Paper end - optimise isOutsideOfRange
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private boolean skipPlayer(ServerPlayer player) {
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return player.isSpectator() && !this.level.getGameRules().getBoolean(GameRules.RULE_SPECTATORSGENERATECHUNKS);
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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 90429d3f5c5b725098cfb001d54c70608f3df7bb..91c672531087430c47365657a3219ab5980d3467 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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@@ -37,7 +37,7 @@ public abstract class DistanceManager {
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private final Long2ObjectMap<ObjectSet<ServerPlayer>> playersPerChunk = new Long2ObjectOpenHashMap();
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public final Long2ObjectOpenHashMap<SortedArraySet<Ticket<?>>> tickets = new Long2ObjectOpenHashMap();
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private final DistanceManager.ChunkTicketTracker ticketTracker = new DistanceManager.ChunkTicketTracker();
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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 ChunkMapDistance.b f = new ChunkMapDistance.b(8); // Paper - no longer used
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private final DistanceManager.PlayerTicketTracker playerTicketManager = new DistanceManager.PlayerTicketTracker(33);
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// Paper start use a queue, but still keep unique requirement
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public final java.util.Queue<ChunkHolder> pendingChunkUpdates = new java.util.ArrayDeque<ChunkHolder>() {
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@@ -56,6 +56,8 @@ public abstract class DistanceManager {
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private final Executor mainThreadExecutor;
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private long ticketTickCounter;
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+ ChunkMap chunkMap; // Paper
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+
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protected DistanceManager(Executor workerExecutor, Executor mainThreadExecutor) {
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mainThreadExecutor.getClass();
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ProcessorHandle<Runnable> mailbox = ProcessorHandle.of("player ticket throttler", mainThreadExecutor::execute);
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@@ -100,7 +102,7 @@ public abstract class DistanceManager {
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protected abstract ChunkHolder updateChunkScheduling(long pos, int level, @Nullable ChunkHolder holder, int k);
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public boolean runAllUpdates(ChunkMap chunkStorage) {
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- this.naturalSpawnChunkCounter.runAllUpdates();
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+ //this.f.a(); // Paper - no longer used
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this.playerTicketManager.runAllUpdates();
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int i = Integer.MAX_VALUE - this.ticketTracker.runDistanceUpdates(Integer.MAX_VALUE);
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boolean flag = i != 0;
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@@ -236,7 +238,7 @@ public abstract class DistanceManager {
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((ObjectSet) this.playersPerChunk.computeIfAbsent(i, (j) -> {
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return new ObjectOpenHashSet();
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})).add(player);
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- this.naturalSpawnChunkCounter.update(i, 0, true);
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+ //this.f.update(i, 0, true); // Paper - no longer used
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this.playerTicketManager.update(i, 0, true);
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}
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@@ -248,7 +250,7 @@ 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.f.update(i, Integer.MAX_VALUE, false); // Paper - no longer used
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this.playerTicketManager.update(i, Integer.MAX_VALUE, false);
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}
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@@ -272,13 +274,17 @@ 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 i) {
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- this.naturalSpawnChunkCounter.runAllUpdates();
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- return this.naturalSpawnChunkCounter.chunks.containsKey(i);
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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(i) != 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 79fb63c40dd0543a6f629e78f390f23f34992ba1..52c2e81f2e2bcd74d4e9aac3ecb5ab618e289abd 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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@@ -753,6 +753,37 @@ public class ServerChunkCache extends ChunkSource {
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boolean flag1 = this.level.getGameRules().getBoolean(GameRules.RULE_DOMOBSPAWNING) && !level.players().isEmpty(); // CraftBukkit
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if (!flag) {
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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 = net.minecraft.server.MCUtil.getChunkCoordinate(player.getX());
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+ int chunkZ = net.minecraft.server.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 isOutsideRange
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+ player.playerNaturallySpawnedEvent = event;
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+ }
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+ // Paper end - optimize isOutisdeRange
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this.level.getProfiler().push("pollingChunks");
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int k = this.level.getGameRules().getInt(GameRules.RULE_RANDOMTICKING);
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boolean flag2 = level.ticksPerAnimalSpawns != 0L && worlddata.getGameTime() % level.ticksPerAnimalSpawns == 0L; // CraftBukkit
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@@ -782,15 +813,7 @@ public class ServerChunkCache extends ChunkSource {
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this.level.getProfiler().pop();
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//List<PlayerChunk> list = Lists.newArrayList(this.playerChunkMap.f()); // Paper
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//Collections.shuffle(list); // Paper
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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 up
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this.level.timings.chunkTicks.startTiming(); // Paper
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final int[] chunksTicked = {0}; this.chunkMap.forEachVisibleChunk((playerchunk) -> { // Paper - safe iterator incase chunk loads, also no wrapping
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Optional<LevelChunk> optional = ((Either) playerchunk.getTickingChunkFuture().getNow(ChunkHolder.UNLOADED_LEVEL_CHUNK)).left();
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@@ -807,9 +830,9 @@ public class ServerChunkCache extends ChunkSource {
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LevelChunk chunk = (LevelChunk) optional1.get();
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ChunkPos chunkcoordintpair = playerchunk.getPos();
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- if (!this.chunkMap.noPlayersCloseForSpawning(chunkcoordintpair)) {
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+ if (!this.chunkMap.isOutsideOfRange(playerchunk, chunkcoordintpair, false)) { // Paper - optimise isOutsideOfRange
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chunk.setInhabitedTime(chunk.getInhabitedTime() + j);
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- if (flag1 && (this.spawnEnemies || this.spawnFriendlies) && this.level.getWorldBorder().isWithinBounds(chunk.getPos()) && !this.chunkMap.isOutsideOfRange(chunkcoordintpair, true)) { // Spigot
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+ if (flag1 && (this.spawnEnemies || this.spawnFriendlies) && this.level.getWorldBorder().isWithinBounds(chunk.getPos()) && !this.chunkMap.isOutsideOfRange(playerchunk, chunkcoordintpair, true)) { // Spigot // Paper - optimise isOutsideOfRange
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NaturalSpawner.spawnForChunk(this.level, chunk, spawnercreature_d, this.spawnFriendlies, this.spawnEnemies, flag2);
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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 24c508ade61a6ad90b0ef73cdc995f531ef18263..95f1f4727a8e2000931e6f36b862e3ad28334a69 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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@@ -247,6 +247,8 @@ public class ServerPlayer extends Player implements ContainerListener {
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public final com.destroystokyo.paper.util.misc.PooledLinkedHashSets.PooledObjectLinkedOpenHashSet<ServerPlayer> cachedSingleHashSet; // Paper
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+ double lastEntitySpawnRadiusSquared; // Paper - optimise isOutsideRange, this field is in blocks
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+
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public ServerPlayer(MinecraftServer server, ServerLevel world, GameProfile profile, ServerPlayerGameMode interactionManager) {
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super(world, world.getSpawn(), world.getSharedSpawnAngle(), profile);
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this.respawnDimension = Level.OVERWORLD;
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