mirror of
https://github.com/PaperMC/Paper.git
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1358d1e914
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: 881e06e5 PR-725: Add Item Unlimited Lifetime APIs CraftBukkit Changes: 74c08312 SPIGOT-6962: Call EntityChangeBlockEvent when when FallingBlockEntity starts to fall 64db5126 SPIGOT-6959: Make /loot command ignore empty items for spawn 2d760831 Increase outdated build delay 9ed7e4fb SPIGOT-6138, SPIGOT-6415: Don't call CreatureSpawnEvent after cross-dimensional travel fc4ad813 SPIGOT-6895: Trees grown with applyBoneMeal() don't fire the StructureGrowthEvent 59733a2e SPIGOT-6961: Actually return a copy of the ItemMeta Spigot Changes: ffceeae3 SPIGOT-6956: Drop unload queue patch as attempt at fixing stop issue e19ddabd PR-1011: Add Item Unlimited Lifetime APIs 34d40b0e SPIGOT-2942: give command fires PlayerDropItemEvent, cancelling it causes Item Duplication
340 lines
19 KiB
Diff
340 lines
19 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Spottedleaf <spottedleaf@spottedleaf.dev>
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Date: Thu, 9 Jul 2020 13:34:59 -0700
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Subject: [PATCH] Optimise WorldServer#notify
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Iterating over all of the navigators in the world is pretty expensive.
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Instead, only iterate over navigators in the current region that are
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eligible for repathing.
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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 bc6a4bfe7df804ee22791fb767f059a541a3900f..a578ff8a88ef944516150303e96f8b49bc797f64 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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@@ -301,15 +301,81 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
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public final io.papermc.paper.chunk.SingleThreadChunkRegionManager dataRegionManager;
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public static final class DataRegionData implements io.papermc.paper.chunk.SingleThreadChunkRegionManager.RegionData {
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+ // Paper start - optimise notify()
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+ private io.papermc.paper.util.maplist.IteratorSafeOrderedReferenceSet<Mob> navigators;
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+
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+ public io.papermc.paper.util.maplist.IteratorSafeOrderedReferenceSet<Mob> getNavigators() {
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+ return this.navigators;
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+ }
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+
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+ public boolean addToNavigators(final Mob navigator) {
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+ if (this.navigators == null) {
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+ this.navigators = new io.papermc.paper.util.maplist.IteratorSafeOrderedReferenceSet<>();
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+ }
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+ return this.navigators.add(navigator);
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+ }
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+
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+ public boolean removeFromNavigators(final Mob navigator) {
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+ if (this.navigators == null) {
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+ return false;
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+ }
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+ return this.navigators.remove(navigator);
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+ }
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+ // Paper end - optimise notify()
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}
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public static final class DataRegionSectionData implements io.papermc.paper.chunk.SingleThreadChunkRegionManager.RegionSectionData {
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+ // Paper start - optimise notify()
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+ private io.papermc.paper.util.maplist.IteratorSafeOrderedReferenceSet<Mob> navigators;
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+
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+ public io.papermc.paper.util.maplist.IteratorSafeOrderedReferenceSet<Mob> getNavigators() {
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+ return this.navigators;
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+ }
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+
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+ public boolean addToNavigators(final io.papermc.paper.chunk.SingleThreadChunkRegionManager.RegionSection section, final Mob navigator) {
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+ if (this.navigators == null) {
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+ this.navigators = new io.papermc.paper.util.maplist.IteratorSafeOrderedReferenceSet<>();
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+ }
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+ final boolean ret = this.navigators.add(navigator);
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+ if (ret) {
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+ final DataRegionData data = (DataRegionData)section.getRegion().regionData;
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+ if (!data.addToNavigators(navigator)) {
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+ throw new IllegalStateException();
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+ }
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+ }
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+ return ret;
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+ }
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+
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+ public boolean removeFromNavigators(final io.papermc.paper.chunk.SingleThreadChunkRegionManager.RegionSection section, final Mob navigator) {
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+ if (this.navigators == null) {
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+ return false;
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+ }
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+ final boolean ret = this.navigators.remove(navigator);
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+ if (ret) {
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+ final DataRegionData data = (DataRegionData)section.getRegion().regionData;
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+ if (!data.removeFromNavigators(navigator)) {
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+ throw new IllegalStateException();
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+ }
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+ }
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+ return ret;
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+ }
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+ // Paper end - optimise notify()
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+
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@Override
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public void removeFromRegion(final io.papermc.paper.chunk.SingleThreadChunkRegionManager.RegionSection section,
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final io.papermc.paper.chunk.SingleThreadChunkRegionManager.Region from) {
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final DataRegionSectionData sectionData = (DataRegionSectionData)section.sectionData;
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final DataRegionData fromData = (DataRegionData)from.regionData;
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+ // Paper start - optimise notify()
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+ if (sectionData.navigators != null) {
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+ for (final Iterator<Mob> iterator = sectionData.navigators.unsafeIterator(io.papermc.paper.util.maplist.IteratorSafeOrderedReferenceSet.ITERATOR_FLAG_SEE_ADDITIONS); iterator.hasNext();) {
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+ if (!fromData.removeFromNavigators(iterator.next())) {
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+ throw new IllegalStateException();
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+ }
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+ }
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+ }
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+ // Paper end - optimise notify()
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}
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@Override
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@@ -319,6 +385,15 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
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final DataRegionSectionData sectionData = (DataRegionSectionData)section.sectionData;
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final DataRegionData oldRegionData = oldRegion == null ? null : (DataRegionData)oldRegion.regionData;
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final DataRegionData newRegionData = (DataRegionData)newRegion.regionData;
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+ // Paper start - optimise notify()
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+ if (sectionData.navigators != null) {
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+ for (final Iterator<Mob> iterator = sectionData.navigators.unsafeIterator(io.papermc.paper.util.maplist.IteratorSafeOrderedReferenceSet.ITERATOR_FLAG_SEE_ADDITIONS); iterator.hasNext();) {
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+ if (!newRegionData.addToNavigators(iterator.next())) {
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+ throw new IllegalStateException();
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+ }
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+ }
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+ }
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+ // Paper end - optimise notify()
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}
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}
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diff --git a/src/main/java/net/minecraft/server/level/ServerLevel.java b/src/main/java/net/minecraft/server/level/ServerLevel.java
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index 3d4671dfa6ab878aa0fd076797de482fa8cb9b51..0a11eeaefe39d637fe2f9243b0f8a4b2d9734446 100644
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--- a/src/main/java/net/minecraft/server/level/ServerLevel.java
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+++ b/src/main/java/net/minecraft/server/level/ServerLevel.java
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@@ -1096,6 +1096,7 @@ public class ServerLevel extends Level implements WorldGenLevel {
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public void tickNonPassenger(Entity entity) {
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// Paper start - log detailed entity tick information
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io.papermc.paper.util.TickThread.ensureTickThread("Cannot tick an entity off-main");
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+ if (!entity.isRemoved()) this.entityManager.updateNavigatorsInRegion(entity); // Paper - optimise notify
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try {
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if (currentlyTickingEntity.get() == null) {
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currentlyTickingEntity.lazySet(entity);
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@@ -1551,9 +1552,18 @@ public class ServerLevel extends Level implements WorldGenLevel {
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if (Shapes.joinIsNotEmpty(voxelshape, voxelshape1, BooleanOp.NOT_SAME)) {
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List<PathNavigation> list = new ObjectArrayList();
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- Iterator iterator = this.navigatingMobs.iterator();
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+ // Paper start - optimise notify()
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+ io.papermc.paper.chunk.SingleThreadChunkRegionManager.Region region = this.getChunkSource().chunkMap.dataRegionManager.getRegion(pos.getX() >> 4, pos.getZ() >> 4);
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+ if (region == null) {
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+ return;
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+ }
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+ io.papermc.paper.util.maplist.IteratorSafeOrderedReferenceSet<Mob> navigatorsFromRegion = ((ChunkMap.DataRegionData)region.regionData).getNavigators();
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+ if (navigatorsFromRegion == null) {
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+ return;
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+ }
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+ io.papermc.paper.util.maplist.IteratorSafeOrderedReferenceSet.Iterator<Mob> iterator = navigatorsFromRegion.iterator();
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- while (iterator.hasNext()) {
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+ try { while (iterator.hasNext()) { // Paper end - optimise notify()
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// CraftBukkit start - fix SPIGOT-6362
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Mob entityinsentient;
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try {
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@@ -1575,16 +1585,23 @@ public class ServerLevel extends Level implements WorldGenLevel {
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try {
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this.isUpdatingNavigations = true;
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- iterator = list.iterator();
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+ // Paper start - optimise notify()
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+ Iterator<PathNavigation> navigationIterator = list.iterator();
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- while (iterator.hasNext()) {
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- PathNavigation navigationabstract1 = (PathNavigation) iterator.next();
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+ while (navigationIterator.hasNext()) {
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+ PathNavigation navigationabstract1 = navigationIterator.next();
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+ // Paper end - optimise notify()
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navigationabstract1.recomputePath();
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}
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} finally {
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this.isUpdatingNavigations = false;
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}
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+ // Paper start - optimise notify()
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+ } finally {
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+ iterator.finishedIterating();
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+ }
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+ // Paper end - optimise notify()
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}
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} // Paper
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@@ -2384,10 +2401,12 @@ public class ServerLevel extends Level implements WorldGenLevel {
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public void onTickingStart(Entity entity) {
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ServerLevel.this.entityTickList.add(entity);
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+ ServerLevel.this.entityManager.addNavigatorsIfPathingToRegion(entity); // Paper - optimise notify
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}
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public void onTickingEnd(Entity entity) {
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ServerLevel.this.entityTickList.remove(entity);
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+ ServerLevel.this.entityManager.removeNavigatorsFromData(entity); // Paper - optimise notify
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}
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public void onTrackingStart(Entity entity) {
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diff --git a/src/main/java/net/minecraft/world/entity/ai/navigation/PathNavigation.java b/src/main/java/net/minecraft/world/entity/ai/navigation/PathNavigation.java
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index b47cd6d8ed02875bd9af54d27b7c1cda340e7f9f..d35032a8d2612d555c3dad1fe496d7ae1c5a285b 100644
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--- a/src/main/java/net/minecraft/world/entity/ai/navigation/PathNavigation.java
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+++ b/src/main/java/net/minecraft/world/entity/ai/navigation/PathNavigation.java
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@@ -27,7 +27,7 @@ import net.minecraft.world.phys.Vec3;
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public abstract class PathNavigation {
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private static final int MAX_TIME_RECOMPUTE = 20;
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- protected final Mob mob;
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+ protected final Mob mob; public final Mob getEntity() { return this.mob; } // Paper - public accessor
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protected final Level level;
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@Nullable
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protected Path path;
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@@ -40,7 +40,7 @@ public abstract class PathNavigation {
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protected long lastTimeoutCheck;
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protected double timeoutLimit;
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protected float maxDistanceToWaypoint = 0.5F;
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- protected boolean hasDelayedRecomputation;
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+ protected boolean hasDelayedRecomputation; protected final boolean needsPathRecalculation() { return this.hasDelayedRecomputation; } // Paper - public accessor
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protected long timeLastRecompute;
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protected NodeEvaluator nodeEvaluator;
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@Nullable
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@@ -50,6 +50,13 @@ public abstract class PathNavigation {
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public final PathFinder pathFinder;
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private boolean isStuck;
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+ // Paper start
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+ public boolean isViableForPathRecalculationChecking() {
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+ return !this.needsPathRecalculation() &&
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+ (this.path != null && !this.path.isDone() && this.path.getNodeCount() != 0);
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+ }
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+ // Paper end
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+
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public PathNavigation(Mob mob, Level world) {
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this.mob = mob;
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this.level = world;
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@@ -413,7 +420,7 @@ public abstract class PathNavigation {
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public boolean shouldRecomputePath(BlockPos pos) {
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if (this.hasDelayedRecomputation) {
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return false;
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- } else if (this.path != null && !this.path.isDone() && this.path.getNodeCount() != 0) {
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+ } else if (this.path != null && !this.path.isDone() && this.path.getNodeCount() != 0) { // Paper - diff on change - needed for isViableForPathRecalculationChecking()
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Node node = this.path.getEndNode();
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Vec3 vec3 = new Vec3(((double)node.x + this.mob.getX()) / 2.0D, ((double)node.y + this.mob.getY()) / 2.0D, ((double)node.z + this.mob.getZ()) / 2.0D);
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return pos.closerToCenterThan(vec3, (double)(this.path.getNodeCount() - this.path.getNextNodeIndex()));
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diff --git a/src/main/java/net/minecraft/world/level/entity/PersistentEntitySectionManager.java b/src/main/java/net/minecraft/world/level/entity/PersistentEntitySectionManager.java
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index 5029ab81e3d7943a001b6367083eb511ce7d3572..db2ef605bccbb9024f787cd58f3cb93df03d5532 100644
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--- a/src/main/java/net/minecraft/world/level/entity/PersistentEntitySectionManager.java
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+++ b/src/main/java/net/minecraft/world/level/entity/PersistentEntitySectionManager.java
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@@ -71,6 +71,65 @@ public class PersistentEntitySectionManager<T extends EntityAccess> implements A
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}
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// CraftBukkit end
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+ // Paper start - optimise notify()
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+ public final void removeNavigatorsFromData(Entity entity, final int chunkX, final int chunkZ) {
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+ if (!(entity instanceof net.minecraft.world.entity.Mob)) {
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+ return;
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+ }
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+ io.papermc.paper.chunk.SingleThreadChunkRegionManager.RegionSection section =
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+ this.entitySliceManager.world.getChunkSource().chunkMap.dataRegionManager.getRegionSection(chunkX, chunkZ);
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+ if (section != null) {
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+ net.minecraft.server.level.ChunkMap.DataRegionSectionData sectionData = (net.minecraft.server.level.ChunkMap.DataRegionSectionData)section.sectionData;
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+ sectionData.removeFromNavigators(section, ((net.minecraft.world.entity.Mob)entity));
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+ }
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+ }
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+
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+ public final void removeNavigatorsFromData(Entity entity) {
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+ if (!(entity instanceof net.minecraft.world.entity.Mob)) {
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+ return;
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+ }
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+ BlockPos entityPos = entity.blockPosition();
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+ io.papermc.paper.chunk.SingleThreadChunkRegionManager.RegionSection section =
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+ this.entitySliceManager.world.getChunkSource().chunkMap.dataRegionManager.getRegionSection(entityPos.getX() >> 4, entityPos.getZ() >> 4);
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+ if (section != null) {
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+ net.minecraft.server.level.ChunkMap.DataRegionSectionData sectionData = (net.minecraft.server.level.ChunkMap.DataRegionSectionData)section.sectionData;
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+ sectionData.removeFromNavigators(section, ((net.minecraft.world.entity.Mob)entity));
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+ }
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+ }
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+
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+ public final void addNavigatorsIfPathingToRegion(Entity entity) {
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+ if (!(entity instanceof net.minecraft.world.entity.Mob)) {
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+ return;
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+ }
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+ BlockPos entityPos = entity.blockPosition();
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+ io.papermc.paper.chunk.SingleThreadChunkRegionManager.RegionSection section =
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+ this.entitySliceManager.world.getChunkSource().chunkMap.dataRegionManager.getRegionSection(entityPos.getX() >> 4, entityPos.getZ() >> 4);
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+ if (section != null) {
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+ net.minecraft.server.level.ChunkMap.DataRegionSectionData sectionData = (net.minecraft.server.level.ChunkMap.DataRegionSectionData)section.sectionData;
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+ if (((net.minecraft.world.entity.Mob)entity).getNavigation().isViableForPathRecalculationChecking()) {
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+ sectionData.addToNavigators(section, ((net.minecraft.world.entity.Mob)entity));
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+ }
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+ }
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+ }
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+
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+ public final void updateNavigatorsInRegion(Entity entity) {
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+ if (!(entity instanceof net.minecraft.world.entity.Mob)) {
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+ return;
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+ }
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+ BlockPos entityPos = entity.blockPosition();
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+ io.papermc.paper.chunk.SingleThreadChunkRegionManager.RegionSection section =
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+ this.entitySliceManager.world.getChunkSource().chunkMap.dataRegionManager.getRegionSection(entityPos.getX() >> 4, entityPos.getZ() >> 4);
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+ if (section != null) {
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+ net.minecraft.server.level.ChunkMap.DataRegionSectionData sectionData = (net.minecraft.server.level.ChunkMap.DataRegionSectionData)section.sectionData;
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+ if (((net.minecraft.world.entity.Mob)entity).getNavigation().isViableForPathRecalculationChecking()) {
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+ sectionData.addToNavigators(section, ((net.minecraft.world.entity.Mob)entity));
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+ } else {
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+ sectionData.removeFromNavigators(section, ((net.minecraft.world.entity.Mob)entity));
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+ }
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+ }
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+ }
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+ // Paper end - optimise notify()
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+
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void removeSectionIfEmpty(long sectionPos, EntitySection<T> section) {
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if (section.isEmpty()) {
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this.sectionStorage.remove(sectionPos);
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@@ -456,11 +515,25 @@ public class PersistentEntitySectionManager<T extends EntityAccess> implements A
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@Override
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public void onMove() {
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BlockPos blockposition = this.entity.blockPosition();
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- long i = SectionPos.asLong(blockposition);
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+ long i = SectionPos.asLong(blockposition); final long newSectionPos = i; // Paper - diff on change, new position section
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if (i != this.currentSectionKey) {
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PersistentEntitySectionManager.this.entitySliceManager.moveEntity((Entity)this.entity); // Paper
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- Visibility visibility = this.currentSection.getStatus();
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+ Visibility visibility = this.currentSection.getStatus(); final Visibility oldVisibility = visibility; // Paper - diff on change - this should be OLD section visibility
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+ // Paper start
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+ int shift = PersistentEntitySectionManager.this.entitySliceManager.world.getChunkSource().chunkMap.dataRegionManager.regionChunkShift;
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+ int oldChunkX = io.papermc.paper.util.CoordinateUtils.getChunkSectionX(this.currentSectionKey);
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+ int oldChunkZ = io.papermc.paper.util.CoordinateUtils.getChunkSectionZ(this.currentSectionKey);
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+ int oldRegionX = oldChunkX >> shift;
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+ int oldRegionZ = oldChunkZ >> shift;
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+
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+ int newRegionX = io.papermc.paper.util.CoordinateUtils.getChunkSectionX(newSectionPos) >> shift;
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+ int newRegionZ = io.papermc.paper.util.CoordinateUtils.getChunkSectionZ(newSectionPos) >> shift;
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+
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+ if (oldRegionX != newRegionX || oldRegionZ != newRegionZ) {
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+ PersistentEntitySectionManager.this.removeNavigatorsFromData((Entity)this.entity, oldChunkX, oldChunkZ);
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+ }
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+ // Paper end
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if (!this.currentSection.remove(this.entity)) {
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PersistentEntitySectionManager.LOGGER.warn("Entity {} wasn't found in section {} (moving to {})", new Object[]{this.entity, SectionPos.of(this.currentSectionKey), i});
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@@ -472,6 +545,11 @@ public class PersistentEntitySectionManager<T extends EntityAccess> implements A
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entitysection.add(this.entity);
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this.currentSection = entitysection;
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this.currentSectionKey = i;
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+ // Paper start
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+ if ((oldRegionX != newRegionX || oldRegionZ != newRegionZ) && oldVisibility.isTicking() && entitysection.getStatus().isTicking()) {
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+ PersistentEntitySectionManager.this.addNavigatorsIfPathingToRegion((Entity)this.entity);
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+ }
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+ // Paper end
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this.updateStatus(visibility, entitysection.getStatus());
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}
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