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Paper/Spigot-Server-Patches/0478-Use-distance-map-to-optimise-entity-tracker.patch
Aikar ab347c4c96
Updated Upstream (Bukkit/CraftBukkit/Spigot) 
Upstream has released updates that appears 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:
42d5a714 SPIGOT-5899: Hoglins API similar to Piglins
2c1ee10e SPIGOT-5887: ClickType doesn't include off hand swaps
5ff7c7ce SPIGOT-5886: Missing BlockData

CraftBukkit Changes:
7560f5f5 SPIGOT-5905: Fix hex colours not being allowed in MOTD
d47c47ee SPIGOT-5889: Villager using composter should call EntityChangeBlockEvent
2fe6b4a3 SPIGOT-5899: Hoglins API similar to Piglins
e09dbeca SPIGOT-5887: ClickType doesn't include off hand swaps
23aac2a5 SPIGOT-5903: EntityDismountEvent cannot be triggered asynchronously
92cbf656 SPIGOT-5884: Tab completions lost on reloadData / minecraft:reload
fb4e54ad SPIGOT-5902: PlayerRespawnEvent places player at spawn before event is called
aa8f3d5a SPIGOT-5901: Structures are generated in all worlds based on the setting for the main world
a0c35937 SPIGOT-5895: PlayerChangedWorldEvent#getFrom is incorrect
89c0a5c3 SPIGOT-5886: Missing BlockData

Spigot Changes:
0287a20d SPIGOT-5903: EntityDismountEvent cannot be triggered asynchronously
2020-06-30 01:20:29 -04:00

391 Zeilen
19 KiB
Diff
Originalformat Blame Verlauf

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Spottedleaf <Spottedleaf@users.noreply.github.com>
Date: Tue, 5 May 2020 20:18:05 -0700
Subject: [PATCH] Use distance map to optimise entity tracker
Use the distance map to find candidate players for tracking.
diff --git a/src/main/java/net/minecraft/server/Entity.java b/src/main/java/net/minecraft/server/Entity.java
index 449a687399f38d3ef79685ff80531cf1212f054a..3bbacebc3397f2c1d695f64bf3f4eb2b89b112b6 100644
--- a/src/main/java/net/minecraft/server/Entity.java
+++ b/src/main/java/net/minecraft/server/Entity.java
@@ -245,6 +245,21 @@ public abstract class Entity implements INamableTileEntity, ICommandListener, Ke
}
// Paper end
+ // Paper start - optimise entity tracking
+ final org.spigotmc.TrackingRange.TrackingRangeType trackingRangeType = org.spigotmc.TrackingRange.getTrackingRangeType(this);
+
+ boolean isLegacyTrackingEntity = false;
+
+ public final void setLegacyTrackingEntity(final boolean isLegacyTrackingEntity) {
+ this.isLegacyTrackingEntity = isLegacyTrackingEntity;
+ }
+
+ final com.destroystokyo.paper.util.misc.PooledLinkedHashSets.PooledObjectLinkedOpenHashSet<EntityPlayer> getPlayersInTrackRange() {
+ return ((WorldServer)this.world).getChunkProvider().playerChunkMap.playerEntityTrackerTrackMaps[this.trackingRangeType.ordinal()]
+ .getObjectsInRange(MCUtil.getCoordinateKey(this));
+ }
+ // Paper end - optimise entity tracking
+
public Entity(EntityTypes<?> entitytypes, World world) {
this.id = Entity.entityCount.incrementAndGet();
this.passengers = Lists.newArrayList();
diff --git a/src/main/java/net/minecraft/server/EntityTrackerEntry.java b/src/main/java/net/minecraft/server/EntityTrackerEntry.java
index 9b89c0c8a3f1dada4e9b2aaeed0b92e56229b7ca..0c46297e6ff229538d77b2f481e4ab13ea14c48e 100644
--- a/src/main/java/net/minecraft/server/EntityTrackerEntry.java
+++ b/src/main/java/net/minecraft/server/EntityTrackerEntry.java
@@ -72,6 +72,7 @@ public class EntityTrackerEntry {
this.r = entity.isOnGround();
}
+ public final void tick() { this.a(); } // Paper - OBFHELPER
public void a() {
List<Entity> list = this.tracker.getPassengers();
diff --git a/src/main/java/net/minecraft/server/MinecraftServer.java b/src/main/java/net/minecraft/server/MinecraftServer.java
index d9ed9df3021dab1f5ee0a51215a002253ac1e34c..b32d41fac5f855e302469209f368c3674b849fe3 100644
--- a/src/main/java/net/minecraft/server/MinecraftServer.java
+++ b/src/main/java/net/minecraft/server/MinecraftServer.java
@@ -1526,6 +1526,7 @@ public abstract class MinecraftServer extends IAsyncTaskHandlerReentrant<TickTas
}
}
+ public final int applyTrackingRangeScale(int value) { return this.b(value); } // Paper - OBFHELPER
public int b(int i) {
return i;
}
diff --git a/src/main/java/net/minecraft/server/PlayerChunkMap.java b/src/main/java/net/minecraft/server/PlayerChunkMap.java
index 850602a32d371bd030665732b762b4bcbd49e25e..a7be3f6d2a11c1e1b310f0fcdbe2e485a2113c59 100644
--- a/src/main/java/net/minecraft/server/PlayerChunkMap.java
+++ b/src/main/java/net/minecraft/server/PlayerChunkMap.java
@@ -145,21 +145,55 @@ public class PlayerChunkMap extends IChunkLoader implements PlayerChunk.d {
// Paper start - distance maps
private final com.destroystokyo.paper.util.misc.PooledLinkedHashSets<EntityPlayer> pooledLinkedPlayerHashSets = new com.destroystokyo.paper.util.misc.PooledLinkedHashSets<>();
+ // Paper start - use distance map to optimise tracker
+ public static boolean isLegacyTrackingEntity(Entity entity) {
+ return entity.isLegacyTrackingEntity;
+ }
+
+ // inlined EnumMap, TrackingRange.TrackingRangeType
+ static final org.spigotmc.TrackingRange.TrackingRangeType[] TRACKING_RANGE_TYPES = org.spigotmc.TrackingRange.TrackingRangeType.values();
+ final com.destroystokyo.paper.util.misc.PlayerAreaMap[] playerEntityTrackerTrackMaps;
+ final int[] entityTrackerTrackRanges;
+
+ private int convertSpigotRangeToVanilla(final int vanilla) {
+ return MinecraftServer.getServer().applyTrackingRangeScale(vanilla);
+ }
+ // Paper end - use distance map to optimise tracker
void addPlayerToDistanceMaps(EntityPlayer player) {
int chunkX = MCUtil.getChunkCoordinate(player.locX());
int chunkZ = MCUtil.getChunkCoordinate(player.locZ());
// Note: players need to be explicitly added to distance maps before they can be updated
+ // Paper start - use distance map to optimise entity tracker
+ for (int i = 0, len = TRACKING_RANGE_TYPES.length; i < len; ++i) {
+ com.destroystokyo.paper.util.misc.PlayerAreaMap trackMap = this.playerEntityTrackerTrackMaps[i];
+ int trackRange = this.entityTrackerTrackRanges[i];
+
+ trackMap.add(player, chunkX, chunkZ, Math.min(trackRange, this.getEffectiveViewDistance()));
+ }
+ // Paper end - use distance map to optimise entity tracker
}
void removePlayerFromDistanceMaps(EntityPlayer player) {
-
+ // Paper start - use distance map to optimise tracker
+ for (int i = 0, len = TRACKING_RANGE_TYPES.length; i < len; ++i) {
+ this.playerEntityTrackerTrackMaps[i].remove(player);
+ }
+ // Paper end - use distance map to optimise tracker
}
void updateMaps(EntityPlayer player) {
int chunkX = MCUtil.getChunkCoordinate(player.locX());
int chunkZ = MCUtil.getChunkCoordinate(player.locZ());
// Note: players need to be explicitly added to distance maps before they can be updated
+ // Paper start - use distance map to optimise entity tracker
+ for (int i = 0, len = TRACKING_RANGE_TYPES.length; i < len; ++i) {
+ com.destroystokyo.paper.util.misc.PlayerAreaMap trackMap = this.playerEntityTrackerTrackMaps[i];
+ int trackRange = this.entityTrackerTrackRanges[i];
+
+ trackMap.update(player, chunkX, chunkZ, Math.min(trackRange, this.getEffectiveViewDistance()));
+ }
+ // Paper end - use distance map to optimise entity tracker
}
// Paper end
@@ -196,6 +230,45 @@ public class PlayerChunkMap extends IChunkLoader implements PlayerChunk.d {
this.m = new VillagePlace(new File(this.w, "poi"), datafixer, flag, this.world); // Paper
this.setViewDistance(i);
this.playerMobDistanceMap = this.world.paperConfig.perPlayerMobSpawns ? new com.destroystokyo.paper.util.PlayerMobDistanceMap() : null; // Paper
+ // Paper start - use distance map to optimise entity tracker
+ this.playerEntityTrackerTrackMaps = new com.destroystokyo.paper.util.misc.PlayerAreaMap[TRACKING_RANGE_TYPES.length];
+ this.entityTrackerTrackRanges = new int[TRACKING_RANGE_TYPES.length];
+
+ org.spigotmc.SpigotWorldConfig spigotWorldConfig = this.world.spigotConfig;
+
+ for (int ordinal = 0, len = TRACKING_RANGE_TYPES.length; ordinal < len; ++ordinal) {
+ org.spigotmc.TrackingRange.TrackingRangeType trackingRangeType = TRACKING_RANGE_TYPES[ordinal];
+ int configuredSpigotValue;
+ switch (trackingRangeType) {
+ case PLAYER:
+ configuredSpigotValue = spigotWorldConfig.playerTrackingRange;
+ break;
+ case ANIMAL:
+ configuredSpigotValue = spigotWorldConfig.animalTrackingRange;
+ break;
+ case MONSTER:
+ configuredSpigotValue = spigotWorldConfig.monsterTrackingRange;
+ break;
+ case MISC:
+ configuredSpigotValue = spigotWorldConfig.miscTrackingRange;
+ break;
+ case OTHER:
+ configuredSpigotValue = spigotWorldConfig.otherTrackingRange;
+ break;
+ case ENDERDRAGON:
+ configuredSpigotValue = 10 * 16; // default is 10 chunk range // TODO check on update
+ break;
+ default:
+ throw new IllegalStateException("Missing case for enum " + trackingRangeType);
+ }
+ configuredSpigotValue = convertSpigotRangeToVanilla(configuredSpigotValue);
+
+ int trackRange = (configuredSpigotValue >>> 4) + ((configuredSpigotValue & 15) != 0 ? 1 : 0);
+ this.entityTrackerTrackRanges[ordinal] = trackRange;
+
+ this.playerEntityTrackerTrackMaps[ordinal] = new com.destroystokyo.paper.util.misc.PlayerAreaMap(this.pooledLinkedPlayerHashSets);
+ }
+ // Paper end - use distance map to optimise entity tracker
}
public void updatePlayerMobTypeMap(Entity entity) {
@@ -1432,17 +1505,7 @@ public class PlayerChunkMap extends IChunkLoader implements PlayerChunk.d {
}
public void movePlayer(EntityPlayer entityplayer) {
- ObjectIterator objectiterator = this.trackedEntities.values().iterator();
-
- while (objectiterator.hasNext()) {
- PlayerChunkMap.EntityTracker playerchunkmap_entitytracker = (PlayerChunkMap.EntityTracker) objectiterator.next();
-
- if (playerchunkmap_entitytracker.tracker == entityplayer) {
- playerchunkmap_entitytracker.track(this.world.getPlayers());
- } else {
- playerchunkmap_entitytracker.updatePlayer(entityplayer);
- }
- }
+ // Paper - delay this logic for the entity tracker tick, no need to duplicate it
int i = MathHelper.floor(entityplayer.locX()) >> 4;
int j = MathHelper.floor(entityplayer.locZ()) >> 4;
@@ -1558,7 +1621,7 @@ public class PlayerChunkMap extends IChunkLoader implements PlayerChunk.d {
entity.tracker = playerchunkmap_entitytracker; // Paper - Fast access to tracker
this.trackedEntities.put(entity.getId(), playerchunkmap_entitytracker);
- playerchunkmap_entitytracker.track(this.world.getPlayers());
+ playerchunkmap_entitytracker.updatePlayers(entity.getPlayersInTrackRange()); // Paper - don't search all players
if (entity instanceof EntityPlayer) {
EntityPlayer entityplayer = (EntityPlayer) entity;
@@ -1601,7 +1664,37 @@ public class PlayerChunkMap extends IChunkLoader implements PlayerChunk.d {
entity.tracker = null; // Paper - We're no longer tracked
}
+ // Paper start - optimised tracker
+ private final void processTrackQueue() {
+ this.world.timings.tracker1.startTiming();
+ try {
+ for (EntityTracker tracker : this.trackedEntities.values()) {
+ // update tracker entry
+ tracker.updatePlayers(tracker.tracker.getPlayersInTrackRange());
+ }
+ } finally {
+ this.world.timings.tracker1.stopTiming();
+ }
+
+
+ this.world.timings.tracker2.startTiming();
+ try {
+ for (EntityTracker tracker : this.trackedEntities.values()) {
+ tracker.trackerEntry.tick();
+ }
+ } finally {
+ this.world.timings.tracker2.stopTiming();
+ }
+ }
+ // Paper end - optimised tracker
+
protected void g() {
+ // Paper start - optimized tracker
+ if (true) {
+ this.processTrackQueue();
+ return;
+ }
+ // Paper end - optimized tracker
List<EntityPlayer> list = Lists.newArrayList();
List<EntityPlayer> list1 = this.world.getPlayers();
@@ -1669,23 +1762,31 @@ public class PlayerChunkMap extends IChunkLoader implements PlayerChunk.d {
PacketDebug.a(this.world, chunk.getPos());
List<Entity> list = Lists.newArrayList();
List<Entity> list1 = Lists.newArrayList();
- ObjectIterator objectiterator = this.trackedEntities.values().iterator();
+ // Paper start - optimise entity tracker
+ // use the chunk entity list, not the whole trackedEntities map...
+ Entity[] entities = chunk.entities.getRawData();
+ for (int i = 0, size = chunk.entities.size(); i < size; ++i) {
+ Entity entity = entities[i];
+ if (entity == entityplayer) {
+ continue;
+ }
+ PlayerChunkMap.EntityTracker tracker = this.trackedEntities.get(entity.getId());
+ if (tracker != null) { // dumb plugins... move on...
+ tracker.updatePlayer(entityplayer);
+ }
- while (objectiterator.hasNext()) {
- PlayerChunkMap.EntityTracker playerchunkmap_entitytracker = (PlayerChunkMap.EntityTracker) objectiterator.next();
- Entity entity = playerchunkmap_entitytracker.tracker;
+ // keep the vanilla logic here - this is REQUIRED or else passengers and their vehicles disappear!
+ // (and god knows what the leash thing is)
- if (entity != entityplayer && entity.chunkX == chunk.getPos().x && entity.chunkZ == chunk.getPos().z) {
- playerchunkmap_entitytracker.updatePlayer(entityplayer);
- if (entity instanceof EntityInsentient && ((EntityInsentient) entity).getLeashHolder() != null) {
- list.add(entity);
- }
+ if (entity instanceof EntityInsentient && ((EntityInsentient)entity).getLeashHolder() != null) {
+ list.add(entity);
+ }
- if (!entity.getPassengers().isEmpty()) {
- list1.add(entity);
- }
+ if (!entity.getPassengers().isEmpty()) {
+ list1.add(entity);
}
}
+ // Paper end - optimise entity tracker
Iterator iterator;
Entity entity1;
@@ -1723,7 +1824,7 @@ public class PlayerChunkMap extends IChunkLoader implements PlayerChunk.d {
public class EntityTracker {
- private final EntityTrackerEntry trackerEntry;
+ final EntityTrackerEntry trackerEntry; // Paper - private -> package private
private final Entity tracker;
private final int trackingDistance;
private SectionPosition e;
@@ -1740,6 +1841,42 @@ public class PlayerChunkMap extends IChunkLoader implements PlayerChunk.d {
this.e = SectionPosition.a(entity);
}
+ // Paper start - use distance map to optimise tracker
+ com.destroystokyo.paper.util.misc.PooledLinkedHashSets.PooledObjectLinkedOpenHashSet<EntityPlayer> lastTrackerCandidates;
+
+ final void updatePlayers(com.destroystokyo.paper.util.misc.PooledLinkedHashSets.PooledObjectLinkedOpenHashSet<EntityPlayer> newTrackerCandidates) {
+ com.destroystokyo.paper.util.misc.PooledLinkedHashSets.PooledObjectLinkedOpenHashSet<EntityPlayer> oldTrackerCandidates = this.lastTrackerCandidates;
+ this.lastTrackerCandidates = newTrackerCandidates;
+
+ if (newTrackerCandidates != null) {
+ Object[] rawData = newTrackerCandidates.getBackingSet();
+ for (int i = 0, len = rawData.length; i < len; ++i) {
+ Object raw = rawData[i];
+ if (!(raw instanceof EntityPlayer)) {
+ continue;
+ }
+ EntityPlayer player = (EntityPlayer)raw;
+ this.updatePlayer(player);
+ }
+ }
+
+ if (oldTrackerCandidates == newTrackerCandidates) {
+ // this is likely the case.
+ // means there has been no range changes, so we can just use the above for tracking.
+ return;
+ }
+
+ // stuff could have been removed, so we need to check the trackedPlayers set
+ // for players that were removed
+
+ for (EntityPlayer player : this.trackedPlayers.toArray(new EntityPlayer[0])) { // avoid CME
+ if (newTrackerCandidates == null || !newTrackerCandidates.contains(player)) {
+ this.updatePlayer(player);
+ }
+ }
+ }
+ // Paper end - use distance map to optimise tracker
+
public boolean equals(Object object) {
return object instanceof PlayerChunkMap.EntityTracker ? ((PlayerChunkMap.EntityTracker) object).tracker.getId() == this.tracker.getId() : false;
}
@@ -1840,7 +1977,7 @@ public class PlayerChunkMap extends IChunkLoader implements PlayerChunk.d {
int j = entity.getEntityType().getChunkRange() * 16;
j = org.spigotmc.TrackingRange.getEntityTrackingRange(entity, j); // Paper
- if (j > i) {
+ if (j < i) { // Paper - we need the lowest range thanks to the fact that our tracker doesn't account for passenger logic
i = j;
}
}
diff --git a/src/main/java/org/spigotmc/TrackingRange.java b/src/main/java/org/spigotmc/TrackingRange.java
index 03990231a8b6bc6925f054e9033825316abfafcc..627e9a90b3045602bc540a5f3f031aaf3716c942 100644
--- a/src/main/java/org/spigotmc/TrackingRange.java
+++ b/src/main/java/org/spigotmc/TrackingRange.java
@@ -46,8 +46,49 @@ public class TrackingRange
return config.miscTrackingRange;
} else
{
- if (entity instanceof EntityEnderDragon) return ((WorldServer)(entity.getWorld())).getChunkProvider().playerChunkMap.getLoadViewDistance(); // Paper - enderdragon is exempt
+ if (entity instanceof EntityEnderDragon) return defaultRange; // Paper - enderdragon is exempt
return config.otherTrackingRange;
}
}
+
+ // Paper start - optimise entity tracking
+ // copied from above, TODO check on update
+ public static TrackingRangeType getTrackingRangeType(Entity entity)
+ {
+ if ( entity instanceof EntityPlayer )
+ {
+ return TrackingRangeType.PLAYER;
+ // Paper start - Simplify and set water mobs to animal tracking range
+ }
+ switch (entity.activationType) {
+ case RAIDER:
+ case MONSTER:
+ case FLYING_MONSTER:
+ return TrackingRangeType.MONSTER;
+ case WATER:
+ case VILLAGER:
+ case ANIMAL:
+ return TrackingRangeType.ANIMAL;
+ case MISC:
+ }
+ if ( entity instanceof EntityItemFrame || entity instanceof EntityPainting || entity instanceof EntityItem || entity instanceof EntityExperienceOrb )
+ // Paper end
+ {
+ return TrackingRangeType.MISC;
+ } else
+ {
+ if (entity instanceof EntityEnderDragon) return TrackingRangeType.ENDERDRAGON; // Paper - enderdragon is exempt
+ return TrackingRangeType.OTHER;
+ }
+ }
+
+ public static enum TrackingRangeType {
+ PLAYER,
+ ANIMAL,
+ MONSTER,
+ MISC,
+ OTHER,
+ ENDERDRAGON;
+ }
+ // Paper end - optimise entity tracking
}
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