mirror of
https://github.com/PaperMC/Paper.git
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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: 30885166 Update to Minecraft 1.16.4 CraftBukkit Changes: 3af81c71 Update to Minecraft 1.16.4 Spigot Changes: f011ca24 Update to Minecraft 1.16.4 Co-authored-by: Mariell Hoversholm <proximyst@proximyst.com>
398 lines
19 KiB
Diff
398 lines
19 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 20:18:05 -0700
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Subject: [PATCH] Use distance map to optimise entity tracker
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Use the distance map to find candidate players for tracking.
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diff --git a/src/main/java/net/minecraft/server/Entity.java b/src/main/java/net/minecraft/server/Entity.java
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index 60dae06ff5c016aecba23afd7a4152fcd3234616..d883da1e9101607209148a28aef8741407f13433 100644
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--- a/src/main/java/net/minecraft/server/Entity.java
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+++ b/src/main/java/net/minecraft/server/Entity.java
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@@ -206,6 +206,21 @@ public abstract class Entity implements INamableTileEntity, ICommandListener, Ke
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}
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// CraftBukkit end
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+ // Paper start - optimise entity tracking
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+ final org.spigotmc.TrackingRange.TrackingRangeType trackingRangeType = org.spigotmc.TrackingRange.getTrackingRangeType(this);
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+
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+ boolean isLegacyTrackingEntity = false;
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+
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+ public final void setLegacyTrackingEntity(final boolean isLegacyTrackingEntity) {
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+ this.isLegacyTrackingEntity = isLegacyTrackingEntity;
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+ }
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+
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+ final com.destroystokyo.paper.util.misc.PooledLinkedHashSets.PooledObjectLinkedOpenHashSet<EntityPlayer> getPlayersInTrackRange() {
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+ return ((WorldServer)this.world).getChunkProvider().playerChunkMap.playerEntityTrackerTrackMaps[this.trackingRangeType.ordinal()]
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+ .getObjectsInRange(MCUtil.getCoordinateKey(this));
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+ }
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+ // Paper end - optimise entity tracking
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+
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public Entity(EntityTypes<?> entitytypes, World world) {
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this.id = Entity.entityCount.incrementAndGet();
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this.passengers = Lists.newArrayList();
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diff --git a/src/main/java/net/minecraft/server/EntityTrackerEntry.java b/src/main/java/net/minecraft/server/EntityTrackerEntry.java
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index e9bc1d22825850a1f1ef3267428c19847d4c8ab8..4965d0fbc123071a2f2f44f559336f7ab9013293 100644
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--- a/src/main/java/net/minecraft/server/EntityTrackerEntry.java
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+++ b/src/main/java/net/minecraft/server/EntityTrackerEntry.java
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@@ -72,6 +72,7 @@ public class EntityTrackerEntry {
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this.r = entity.isOnGround();
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}
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+ public final void tick() { this.a(); } // Paper - OBFHELPER
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public void a() {
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List<Entity> list = this.tracker.getPassengers();
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diff --git a/src/main/java/net/minecraft/server/MinecraftServer.java b/src/main/java/net/minecraft/server/MinecraftServer.java
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index 7ecd4c7d07d81672887c1e4b69a2ce82790de5a1..225709a27396cbfa29c16499728e42170a8fef08 100644
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--- a/src/main/java/net/minecraft/server/MinecraftServer.java
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+++ b/src/main/java/net/minecraft/server/MinecraftServer.java
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@@ -1531,6 +1531,7 @@ public abstract class MinecraftServer extends IAsyncTaskHandlerReentrant<TickTas
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}
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}
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+ public final int applyTrackingRangeScale(int value) { return this.b(value); } // Paper - OBFHELPER
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public int b(int i) {
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return i;
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}
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diff --git a/src/main/java/net/minecraft/server/PlayerChunkMap.java b/src/main/java/net/minecraft/server/PlayerChunkMap.java
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index b6f7fd501432560d4ed557371bc770724ce032ce..21a9a0364ec6cfd28fcfc0a62d3465993dac1a1c 100644
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--- a/src/main/java/net/minecraft/server/PlayerChunkMap.java
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+++ b/src/main/java/net/minecraft/server/PlayerChunkMap.java
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@@ -146,21 +146,55 @@ public class PlayerChunkMap extends IChunkLoader implements PlayerChunk.d {
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// Paper start - distance maps
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private final com.destroystokyo.paper.util.misc.PooledLinkedHashSets<EntityPlayer> pooledLinkedPlayerHashSets = new com.destroystokyo.paper.util.misc.PooledLinkedHashSets<>();
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+ // Paper start - use distance map to optimise tracker
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+ public static boolean isLegacyTrackingEntity(Entity entity) {
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+ return entity.isLegacyTrackingEntity;
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+ }
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+
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+ // inlined EnumMap, TrackingRange.TrackingRangeType
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+ static final org.spigotmc.TrackingRange.TrackingRangeType[] TRACKING_RANGE_TYPES = org.spigotmc.TrackingRange.TrackingRangeType.values();
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+ final com.destroystokyo.paper.util.misc.PlayerAreaMap[] playerEntityTrackerTrackMaps;
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+ final int[] entityTrackerTrackRanges;
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+
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+ private int convertSpigotRangeToVanilla(final int vanilla) {
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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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void addPlayerToDistanceMaps(EntityPlayer player) {
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int chunkX = MCUtil.getChunkCoordinate(player.locX());
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int chunkZ = MCUtil.getChunkCoordinate(player.locZ());
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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 - use distance map to optimise entity tracker
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+ for (int i = 0, len = TRACKING_RANGE_TYPES.length; i < len; ++i) {
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+ com.destroystokyo.paper.util.misc.PlayerAreaMap trackMap = this.playerEntityTrackerTrackMaps[i];
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+ int trackRange = this.entityTrackerTrackRanges[i];
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+
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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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}
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void removePlayerFromDistanceMaps(EntityPlayer player) {
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-
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+ // Paper start - use distance map to optimise tracker
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+ for (int i = 0, len = TRACKING_RANGE_TYPES.length; i < len; ++i) {
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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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}
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void updateMaps(EntityPlayer player) {
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int chunkX = MCUtil.getChunkCoordinate(player.locX());
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int chunkZ = MCUtil.getChunkCoordinate(player.locZ());
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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 - use distance map to optimise entity tracker
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+ for (int i = 0, len = TRACKING_RANGE_TYPES.length; i < len; ++i) {
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+ com.destroystokyo.paper.util.misc.PlayerAreaMap trackMap = this.playerEntityTrackerTrackMaps[i];
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+ int trackRange = this.entityTrackerTrackRanges[i];
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+
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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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}
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// Paper end
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@@ -197,6 +231,45 @@ public class PlayerChunkMap extends IChunkLoader implements PlayerChunk.d {
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this.m = new VillagePlace(new File(this.w, "poi"), datafixer, flag, this.world); // Paper
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this.setViewDistance(i);
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this.playerMobDistanceMap = this.world.paperConfig.perPlayerMobSpawns ? new com.destroystokyo.paper.util.PlayerMobDistanceMap() : null; // Paper
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+ // Paper start - use distance map to optimise entity tracker
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+ this.playerEntityTrackerTrackMaps = new com.destroystokyo.paper.util.misc.PlayerAreaMap[TRACKING_RANGE_TYPES.length];
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+ this.entityTrackerTrackRanges = new int[TRACKING_RANGE_TYPES.length];
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+
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+ org.spigotmc.SpigotWorldConfig spigotWorldConfig = this.world.spigotConfig;
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+
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+ for (int ordinal = 0, len = TRACKING_RANGE_TYPES.length; ordinal < len; ++ordinal) {
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+ org.spigotmc.TrackingRange.TrackingRangeType trackingRangeType = TRACKING_RANGE_TYPES[ordinal];
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+ int configuredSpigotValue;
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+ switch (trackingRangeType) {
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+ case PLAYER:
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+ configuredSpigotValue = spigotWorldConfig.playerTrackingRange;
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+ break;
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+ case ANIMAL:
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+ configuredSpigotValue = spigotWorldConfig.animalTrackingRange;
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+ break;
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+ case MONSTER:
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+ configuredSpigotValue = spigotWorldConfig.monsterTrackingRange;
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+ break;
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+ case MISC:
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+ configuredSpigotValue = spigotWorldConfig.miscTrackingRange;
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+ break;
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+ case OTHER:
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+ configuredSpigotValue = spigotWorldConfig.otherTrackingRange;
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+ break;
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+ case ENDERDRAGON:
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+ configuredSpigotValue = EntityTypes.ENDER_DRAGON.getChunkRange() * 16;
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+ break;
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+ default:
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+ throw new IllegalStateException("Missing case for enum " + trackingRangeType);
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+ }
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+ configuredSpigotValue = convertSpigotRangeToVanilla(configuredSpigotValue);
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+
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+ int trackRange = (configuredSpigotValue >>> 4) + ((configuredSpigotValue & 15) != 0 ? 1 : 0);
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+ this.entityTrackerTrackRanges[ordinal] = trackRange;
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+
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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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}
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public void updatePlayerMobTypeMap(Entity entity) {
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@@ -1435,17 +1508,7 @@ public class PlayerChunkMap extends IChunkLoader implements PlayerChunk.d {
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}
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public void movePlayer(EntityPlayer entityplayer) {
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- ObjectIterator objectiterator = this.trackedEntities.values().iterator();
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-
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- while (objectiterator.hasNext()) {
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- PlayerChunkMap.EntityTracker playerchunkmap_entitytracker = (PlayerChunkMap.EntityTracker) objectiterator.next();
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-
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- if (playerchunkmap_entitytracker.tracker == entityplayer) {
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- playerchunkmap_entitytracker.track(this.world.getPlayers());
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- } else {
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- playerchunkmap_entitytracker.updatePlayer(entityplayer);
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- }
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- }
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+ // Paper - delay this logic for the entity tracker tick, no need to duplicate it
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int i = MathHelper.floor(entityplayer.locX()) >> 4;
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int j = MathHelper.floor(entityplayer.locZ()) >> 4;
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@@ -1561,7 +1624,7 @@ public class PlayerChunkMap extends IChunkLoader implements PlayerChunk.d {
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entity.tracker = playerchunkmap_entitytracker; // Paper - Fast access to tracker
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this.trackedEntities.put(entity.getId(), playerchunkmap_entitytracker);
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- playerchunkmap_entitytracker.track(this.world.getPlayers());
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+ playerchunkmap_entitytracker.updatePlayers(entity.getPlayersInTrackRange()); // Paper - don't search all players
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if (entity instanceof EntityPlayer) {
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EntityPlayer entityplayer = (EntityPlayer) entity;
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@@ -1604,7 +1667,37 @@ public class PlayerChunkMap extends IChunkLoader implements PlayerChunk.d {
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entity.tracker = null; // Paper - We're no longer tracked
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}
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+ // Paper start - optimised tracker
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+ private final void processTrackQueue() {
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+ this.world.timings.tracker1.startTiming();
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+ try {
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+ for (EntityTracker tracker : this.trackedEntities.values()) {
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+ // update tracker entry
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+ tracker.updatePlayers(tracker.tracker.getPlayersInTrackRange());
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+ }
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+ } finally {
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+ this.world.timings.tracker1.stopTiming();
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+ }
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+
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+
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+ this.world.timings.tracker2.startTiming();
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+ try {
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+ for (EntityTracker tracker : this.trackedEntities.values()) {
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+ tracker.trackerEntry.tick();
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+ }
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+ } finally {
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+ this.world.timings.tracker2.stopTiming();
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+ }
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+ }
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+ // Paper end - optimised tracker
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+
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protected void g() {
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+ // Paper start - optimized tracker
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+ if (true) {
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+ this.processTrackQueue();
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+ return;
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+ }
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+ // Paper end - optimized tracker
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List<EntityPlayer> list = Lists.newArrayList();
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List<EntityPlayer> list1 = this.world.getPlayers();
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@@ -1672,23 +1765,31 @@ public class PlayerChunkMap extends IChunkLoader implements PlayerChunk.d {
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PacketDebug.a(this.world, chunk.getPos());
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List<Entity> list = Lists.newArrayList();
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List<Entity> list1 = Lists.newArrayList();
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- ObjectIterator objectiterator = this.trackedEntities.values().iterator();
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+ // Paper start - optimise entity tracker
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+ // use the chunk entity list, not the whole trackedEntities map...
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+ Entity[] entities = chunk.entities.getRawData();
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+ for (int i = 0, size = chunk.entities.size(); i < size; ++i) {
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+ Entity entity = entities[i];
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+ if (entity == entityplayer) {
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+ continue;
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+ }
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+ PlayerChunkMap.EntityTracker tracker = this.trackedEntities.get(entity.getId());
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+ if (tracker != null) { // dumb plugins... move on...
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+ tracker.updatePlayer(entityplayer);
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+ }
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- while (objectiterator.hasNext()) {
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- PlayerChunkMap.EntityTracker playerchunkmap_entitytracker = (PlayerChunkMap.EntityTracker) objectiterator.next();
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- Entity entity = playerchunkmap_entitytracker.tracker;
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+ // keep the vanilla logic here - this is REQUIRED or else passengers and their vehicles disappear!
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+ // (and god knows what the leash thing is)
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- if (entity != entityplayer && entity.chunkX == chunk.getPos().x && entity.chunkZ == chunk.getPos().z) {
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- playerchunkmap_entitytracker.updatePlayer(entityplayer);
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- if (entity instanceof EntityInsentient && ((EntityInsentient) entity).getLeashHolder() != null) {
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- list.add(entity);
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- }
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+ if (entity instanceof EntityInsentient && ((EntityInsentient)entity).getLeashHolder() != null) {
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+ list.add(entity);
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+ }
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- if (!entity.getPassengers().isEmpty()) {
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- list1.add(entity);
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- }
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+ if (!entity.getPassengers().isEmpty()) {
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+ list1.add(entity);
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}
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}
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+ // Paper end - optimise entity tracker
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Iterator iterator;
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Entity entity1;
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@@ -1726,7 +1827,7 @@ public class PlayerChunkMap extends IChunkLoader implements PlayerChunk.d {
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public class EntityTracker {
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- private final EntityTrackerEntry trackerEntry;
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+ final EntityTrackerEntry trackerEntry; // Paper - private -> package private
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private final Entity tracker;
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private final int trackingDistance;
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private SectionPosition e;
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@@ -1743,6 +1844,42 @@ public class PlayerChunkMap extends IChunkLoader implements PlayerChunk.d {
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this.e = SectionPosition.a(entity);
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}
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+ // Paper start - use distance map to optimise tracker
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+ com.destroystokyo.paper.util.misc.PooledLinkedHashSets.PooledObjectLinkedOpenHashSet<EntityPlayer> lastTrackerCandidates;
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+
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+ final void updatePlayers(com.destroystokyo.paper.util.misc.PooledLinkedHashSets.PooledObjectLinkedOpenHashSet<EntityPlayer> newTrackerCandidates) {
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+ com.destroystokyo.paper.util.misc.PooledLinkedHashSets.PooledObjectLinkedOpenHashSet<EntityPlayer> oldTrackerCandidates = this.lastTrackerCandidates;
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+ this.lastTrackerCandidates = newTrackerCandidates;
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+
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+ if (newTrackerCandidates != null) {
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+ Object[] rawData = newTrackerCandidates.getBackingSet();
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+ for (int i = 0, len = rawData.length; i < len; ++i) {
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+ Object raw = rawData[i];
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+ if (!(raw instanceof EntityPlayer)) {
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+ continue;
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+ }
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+ EntityPlayer player = (EntityPlayer)raw;
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+ this.updatePlayer(player);
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+ }
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+ }
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+
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+ if (oldTrackerCandidates == newTrackerCandidates) {
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+ // this is likely the case.
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+ // means there has been no range changes, so we can just use the above for tracking.
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+ return;
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+ }
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+
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+ // stuff could have been removed, so we need to check the trackedPlayers set
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+ // for players that were removed
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+
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+ for (EntityPlayer player : this.trackedPlayers.toArray(new EntityPlayer[0])) { // avoid CME
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+ if (newTrackerCandidates == null || !newTrackerCandidates.contains(player)) {
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+ this.updatePlayer(player);
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+ }
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+ }
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+ }
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+ // Paper end - use distance map to optimise tracker
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+
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public boolean equals(Object object) {
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return object instanceof PlayerChunkMap.EntityTracker ? ((PlayerChunkMap.EntityTracker) object).tracker.getId() == this.tracker.getId() : false;
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}
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@@ -1843,7 +1980,7 @@ public class PlayerChunkMap extends IChunkLoader implements PlayerChunk.d {
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int j = entity.getEntityType().getChunkRange() * 16;
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j = org.spigotmc.TrackingRange.getEntityTrackingRange(entity, j); // Paper
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- if (j > i) {
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+ if (j < i) { // Paper - we need the lowest range thanks to the fact that our tracker doesn't account for passenger logic
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i = j;
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}
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}
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diff --git a/src/main/java/org/spigotmc/TrackingRange.java b/src/main/java/org/spigotmc/TrackingRange.java
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index 03990231a8b6bc6925f054e9033825316abfafcc..5cfe16ef8c5a7b4405efa58b8fc532e14353f88d 100644
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--- a/src/main/java/org/spigotmc/TrackingRange.java
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+++ b/src/main/java/org/spigotmc/TrackingRange.java
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@@ -23,6 +23,7 @@ public class TrackingRange
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*/
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public static int getEntityTrackingRange(Entity entity, int defaultRange)
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{
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+ if (entity instanceof EntityEnderDragon) return defaultRange; // Paper - enderdragon is exempt
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SpigotWorldConfig config = entity.world.spigotConfig;
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if ( entity instanceof EntityPlayer )
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{
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@@ -46,8 +47,48 @@ public class TrackingRange
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return config.miscTrackingRange;
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} else
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{
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- if (entity instanceof EntityEnderDragon) return ((WorldServer)(entity.getWorld())).getChunkProvider().playerChunkMap.getLoadViewDistance(); // Paper - enderdragon is exempt
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return config.otherTrackingRange;
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}
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}
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+
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+ // Paper start - optimise entity tracking
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+ // copied from above, TODO check on update
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+ public static TrackingRangeType getTrackingRangeType(Entity entity)
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+ {
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+ if (entity instanceof EntityEnderDragon) return TrackingRangeType.ENDERDRAGON; // Paper - enderdragon is exempt
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+ if ( entity instanceof EntityPlayer )
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+ {
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+ return TrackingRangeType.PLAYER;
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+ // Paper start - Simplify and set water mobs to animal tracking range
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+ }
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+ switch (entity.activationType) {
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+ case RAIDER:
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+ case MONSTER:
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+ case FLYING_MONSTER:
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+ return TrackingRangeType.MONSTER;
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+ case WATER:
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+ case VILLAGER:
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+ case ANIMAL:
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+ return TrackingRangeType.ANIMAL;
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+ case MISC:
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+ }
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+ if ( entity instanceof EntityItemFrame || entity instanceof EntityPainting || entity instanceof EntityItem || entity instanceof EntityExperienceOrb )
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+ // Paper end
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+ {
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+ return TrackingRangeType.MISC;
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+ } else
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+ {
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+ return TrackingRangeType.OTHER;
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+ }
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+ }
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+
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+ public static enum TrackingRangeType {
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+ PLAYER,
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+ ANIMAL,
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+ MONSTER,
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+ MISC,
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+ OTHER,
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+ ENDERDRAGON;
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+ }
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+ // Paper end - optimise entity tracking
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}
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