mirror of
https://github.com/PaperMC/Paper.git
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bc0dd0df3d
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
325 lines
18 KiB
Diff
325 lines
18 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 f6d5bf3474dbf37095778cd8d774b58338d53877..a3f3015f9eba9a2eccbc3f1f64bca4c66d52b9f2 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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@@ -283,15 +283,81 @@ 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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@@ -301,6 +367,15 @@ 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 d47b21b5edc2734cdd45ed3282df98babe0045c0..3b5dd838bc8759bd849f5dd2ee0f260a65d17adb 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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@@ -1090,6 +1090,7 @@ 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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+ 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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@@ -1535,9 +1536,19 @@ public class ServerLevel extends Level implements WorldGenLevel {
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VoxelShape voxelshape1 = newState.getCollisionShape(this, pos);
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if (Shapes.joinIsNotEmpty(voxelshape, voxelshape1, BooleanOp.NOT_SAME)) {
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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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+
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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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@@ -1556,6 +1567,11 @@ public class ServerLevel extends Level implements WorldGenLevel {
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navigationabstract.recomputePath(pos);
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}
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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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@@ -2351,10 +2367,12 @@ 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 5884fb42f0880585dee843b98a6ea470a1508e46..4651c2e78089ed28220e767654261c735d2c5eb1 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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@@ -415,7 +422,7 @@ public abstract class PathNavigation {
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}
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public void recomputePath(BlockPos pos) {
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- if (this.path != null && !this.path.isDone() && this.path.getNodeCount() != 0) {
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+ 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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if (pos.closerThan(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 a0c66689c954823e7c20664594557dc26afbd246..21f3c8a2fe91ff47486b4c63f2b3f1d54f83fdb6 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 {})", 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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