mirror of
https://github.com/PaperMC/Paper.git
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Upstream has released updates that appear to apply and compile correctly. This update has not been tested by PaperMC and as with ANY update, please do your own testing Bukkit Changes: 716b4fce Revert SnakeYAML upgrade ca6f8942 Update to Minecraft 1.18-rc3 57e7e952 #683: Add Player#showDemoScreen CraftBukkit Changes: c98abfb0 Update to Minecraft 1.18-rc3 9b258501 #960: Add Player#showDemoScreen d9542247 Produce remapped jars after bootstrap jar 99f3ddde SPIGOT-6808: Fix RegionAccessor#getBiome Spigot Changes: b7a4222e Update to Minecraft 1.18-rc3
357 lines
22 KiB
Diff
357 lines
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 b3dc875fde93095d20ae88159afe82c6b452ed8e..7c3eaa72263708f5b2cea455b3eea230bc633c5d 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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@@ -73,6 +73,18 @@ public class ChunkHolder {
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boolean isUpdateQueued = false; // Paper
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private final ChunkMap chunkMap; // Paper
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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, LevelHeightAccessor world, 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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@@ -94,6 +106,7 @@ public class ChunkHolder {
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this.setTicketLevel(level);
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this.changedBlocksPerSection = new ShortSet[world.getSectionsCount()];
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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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// CraftBukkit 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 f4fddfcb33ae463c6a86e7282d069279258bc4ff..e64d1493c5e77daad2e410647412a2e1e9813109 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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@@ -177,21 +177,40 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
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final CallbackExecutor chunkLoadConversionCallbackExecutor = new CallbackExecutor(); // Paper
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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 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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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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+ // Paper start - optimise PlayerChunkMap#isOutsideRange
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+ this.playerChunkTickRangeMap.update(player, chunkX, chunkZ, DistanceManager.MOB_SPAWN_RANGE);
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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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-
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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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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.update(player, chunkX, chunkZ, DistanceManager.MOB_SPAWN_RANGE); // Paper - optimise PlayerChunkMap#isOutsideRange
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}
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// Paper end
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// Paper start
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@@ -266,6 +285,38 @@ 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.perPlayerMobSpawns ? new com.destroystokyo.paper.util.PlayerMobDistanceMap() : null; // Paper
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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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protected ChunkGenerator generator() {
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@@ -504,6 +555,7 @@ 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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@@ -1347,43 +1399,48 @@ 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 isOutsideOfRange
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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 isOutsideOfRange
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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 8868ffcda194e8c2300181a2cdda9337dbde6284..95f195980e28bb59f43e5ca1d5e79ebe8c3ddaea 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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@@ -48,7 +48,7 @@ public abstract class DistanceManager {
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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 TickingTracker tickingTicketsTracker = new TickingTracker();
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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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@@ -125,7 +125,7 @@ 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.tickingTicketsTracker.runAllUpdates();
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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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@@ -272,7 +272,7 @@ 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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this.tickingTicketsTracker.addTicket(TicketType.PLAYER, chunkcoordintpair, this.getPlayerTicketLevel(), chunkcoordintpair);
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}
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@@ -286,7 +286,7 @@ 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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this.tickingTicketsTracker.removeTicket(TicketType.PLAYER, chunkcoordintpair, this.getPlayerTicketLevel(), chunkcoordintpair);
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}
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@@ -324,13 +324,17 @@ 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 a66d9d6df1fc0ad68f51ea96d4e1a2d725c73b05..c3875acfad91c50a7fec4b1f8e06e8a32e2ea037 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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@@ -881,6 +881,37 @@ 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 = 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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LevelData worlddata = this.level.getLevelData();
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ProfilerFiller gameprofilerfiller = this.level.getProfiler();
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@@ -928,15 +959,7 @@ 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); // Paper - no... just no...
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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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@@ -944,9 +967,9 @@ 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.isPositionEntityTicking(chunkcoordintpair) && this.chunkMap.anyPlayerCloseEnoughForSpawning(chunkcoordintpair)) {
|
|
+ if (this.level.isPositionEntityTicking(chunkcoordintpair) && this.chunkMap.anyPlayerCloseEnoughForSpawning(chunkproviderserver_a.holder, chunkcoordintpair, false)) { // Paper - optimise isOutsideOfRange
|
|
chunk1.incrementInhabitedTime(j);
|
|
- 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 isOutsideOfRange
|
|
NaturalSpawner.spawnForChunk(this.level, chunk1, spawnercreature_d, this.spawnFriendlies, this.spawnEnemies, flag1);
|
|
}
|
|
|
|
diff --git a/src/main/java/net/minecraft/server/level/ServerPlayer.java b/src/main/java/net/minecraft/server/level/ServerPlayer.java
|
|
index beebb7a0e6b8b1fa4e7d2f9fdf1962357cc2ebc3..2f13055a39c26fe12d2c1094103186635e536166 100644
|
|
--- a/src/main/java/net/minecraft/server/level/ServerPlayer.java
|
|
+++ b/src/main/java/net/minecraft/server/level/ServerPlayer.java
|
|
@@ -253,6 +253,7 @@ public class ServerPlayer extends Player {
|
|
// CraftBukkit end
|
|
public PlayerNaturallySpawnCreaturesEvent playerNaturallySpawnedEvent; // Paper
|
|
|
|
+ public double lastEntitySpawnRadiusSquared; // Paper - optimise isOutsideRange, this field is in blocks
|
|
public final com.destroystokyo.paper.util.misc.PooledLinkedHashSets.PooledObjectLinkedOpenHashSet<ServerPlayer> cachedSingleHashSet; // Paper
|
|
|
|
public ServerPlayer(MinecraftServer server, ServerLevel world, GameProfile profile) {
|