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Paper/patches/server/0739-Rewrite-entity-bounding-box-lookup-calls.patch

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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Spottedleaf <Spottedleaf@users.noreply.github.com>
Date: Thu, 17 Jun 2021 19:55:02 -0700
Subject: [PATCH] Rewrite entity bounding box lookup calls
For whatever reason, Mojang thought it was OK to make this system
scale logn relative to the number of entity sections loaded.
On top of that, they do a hashtable lookup per section - before
this was just a basic array access.
This patch brings back entity slices for lookup only.
diff --git a/src/main/java/io/papermc/paper/world/ChunkEntitySlices.java b/src/main/java/io/papermc/paper/world/ChunkEntitySlices.java
new file mode 100644
index 0000000000000000000000000000000000000000..47b5f75d9f27cf3ab947fd1f69cbd609fb9f2749
--- /dev/null
+++ b/src/main/java/io/papermc/paper/world/ChunkEntitySlices.java
@@ -0,0 +1,500 @@
+package io.papermc.paper.world;
+
+import com.destroystokyo.paper.util.maplist.EntityList;
+import it.unimi.dsi.fastutil.objects.Reference2ObjectMap;
+import it.unimi.dsi.fastutil.objects.Reference2ObjectOpenHashMap;
+import net.minecraft.server.level.ChunkHolder;
+import net.minecraft.server.level.ServerLevel;
+import net.minecraft.util.Mth;
+import net.minecraft.world.entity.Entity;
+import net.minecraft.world.entity.EntityType;
+import net.minecraft.world.entity.boss.EnderDragonPart;
+import net.minecraft.world.entity.boss.enderdragon.EnderDragon;
+import net.minecraft.world.phys.AABB;
+import java.util.Arrays;
+import java.util.Iterator;
+import java.util.List;
+import java.util.function.Predicate;
+
+public final class ChunkEntitySlices {
+
+ protected final int minSection;
+ protected final int maxSection;
+ protected final int chunkX;
+ protected final int chunkZ;
+ protected final ServerLevel world;
+
+ protected final EntityCollectionBySection allEntities;
+ protected final EntityCollectionBySection hardCollidingEntities;
+ protected final Reference2ObjectOpenHashMap<Class<? extends Entity>, EntityCollectionBySection> entitiesByClass;
+ protected final EntityList entities = new EntityList();
+
+ public ChunkHolder.FullChunkStatus status;
+
+ // TODO implement container search optimisations
+
+ public ChunkEntitySlices(final ServerLevel world, final int chunkX, final int chunkZ, final ChunkHolder.FullChunkStatus status,
+ final int minSection, final int maxSection) { // inclusive, inclusive
+ this.minSection = minSection;
+ this.maxSection = maxSection;
+ this.chunkX = chunkX;
+ this.chunkZ = chunkZ;
+ this.world = world;
+
+ this.allEntities = new EntityCollectionBySection(this);
+ this.hardCollidingEntities = new EntityCollectionBySection(this);
+ this.entitiesByClass = new Reference2ObjectOpenHashMap<>();
+
+ this.status = status;
+ }
+
+ // Paper start - optimise CraftChunk#getEntities
+ public org.bukkit.entity.Entity[] getChunkEntities() {
+ List<org.bukkit.entity.Entity> ret = new java.util.ArrayList<>();
+ final Entity[] entities = this.entities.getRawData();
+ for (int i = 0, size = Math.min(entities.length, this.entities.size()); i < size; ++i) {
+ final Entity entity = entities[i];
+ if (entity == null) {
+ continue;
+ }
+ final org.bukkit.entity.Entity bukkit = entity.getBukkitEntity();
+ if (bukkit != null && bukkit.isValid()) {
+ ret.add(bukkit);
+ }
+ }
+
+ return ret.toArray(new org.bukkit.entity.Entity[0]);
+ }
+ // Paper end - optimise CraftChunk#getEntities
+
+ public boolean isEmpty() {
+ return this.entities.size() == 0;
+ }
+
+ private void updateTicketLevels() {
+ final Entity[] entities = this.entities.getRawData();
+ for (int i = 0, size = Math.min(entities.length, this.entities.size()); i < size; ++i) {
+ final Entity entity = entities[i];
+ entity.chunkStatus = this.status;
+ }
+ }
+
+ public synchronized void updateStatus(final ChunkHolder.FullChunkStatus status) {
+ this.status = status;
+ this.updateTicketLevels();
+ }
+
+ public synchronized void addEntity(final Entity entity, final int chunkSection) {
+ if (!this.entities.add(entity)) {
+ return;
+ }
+ entity.chunkStatus = this.status;
+ final int sectionIndex = chunkSection - this.minSection;
+
+ this.allEntities.addEntity(entity, sectionIndex);
+
+ if (entity.hardCollides()) {
+ this.hardCollidingEntities.addEntity(entity, sectionIndex);
+ }
+
+ for (final Iterator<Reference2ObjectMap.Entry<Class<? extends Entity>, EntityCollectionBySection>> iterator =
+ this.entitiesByClass.reference2ObjectEntrySet().fastIterator(); iterator.hasNext();) {
+ final Reference2ObjectMap.Entry<Class<? extends Entity>, EntityCollectionBySection> entry = iterator.next();
+
+ if (entry.getKey().isInstance(entity)) {
+ entry.getValue().addEntity(entity, sectionIndex);
+ }
+ }
+ }
+
+ public synchronized void removeEntity(final Entity entity, final int chunkSection) {
+ if (!this.entities.remove(entity)) {
+ return;
+ }
+ entity.chunkStatus = ChunkHolder.FullChunkStatus.INACCESSIBLE;
+ final int sectionIndex = chunkSection - this.minSection;
+
+ this.allEntities.removeEntity(entity, sectionIndex);
+
+ if (entity.hardCollides()) {
+ this.hardCollidingEntities.removeEntity(entity, sectionIndex);
+ }
+
+ for (final Iterator<Reference2ObjectMap.Entry<Class<? extends Entity>, EntityCollectionBySection>> iterator =
+ this.entitiesByClass.reference2ObjectEntrySet().fastIterator(); iterator.hasNext();) {
+ final Reference2ObjectMap.Entry<Class<? extends Entity>, EntityCollectionBySection> entry = iterator.next();
+
+ if (entry.getKey().isInstance(entity)) {
+ entry.getValue().removeEntity(entity, sectionIndex);
+ }
+ }
+ }
+
+ public void getHardCollidingEntities(final Entity except, final AABB box, final List<Entity> into, final Predicate<? super Entity> predicate) {
+ this.hardCollidingEntities.getEntities(except, box, into, predicate);
+ }
+
+ public void getEntities(final Entity except, final AABB box, final List<Entity> into, final Predicate<? super Entity> predicate) {
+ this.allEntities.getEntitiesWithEnderDragonParts(except, box, into, predicate);
+ }
+
+ public <T extends Entity> void getEntities(final EntityType<?> type, final AABB box, final List<? super T> into,
+ final Predicate<? super T> predicate) {
+ this.allEntities.getEntities(type, box, (List)into, (Predicate)predicate);
+ }
+
+ protected EntityCollectionBySection initClass(final Class<? extends Entity> clazz) {
+ final EntityCollectionBySection ret = new EntityCollectionBySection(this);
+
+ for (int sectionIndex = 0; sectionIndex < this.allEntities.entitiesBySection.length; ++sectionIndex) {
+ final BasicEntityList<Entity> sectionEntities = this.allEntities.entitiesBySection[sectionIndex];
+ if (sectionEntities == null) {
+ continue;
+ }
+
+ final Entity[] storage = sectionEntities.storage;
+
+ for (int i = 0, len = Math.min(storage.length, sectionEntities.size()); i < len; ++i) {
+ final Entity entity = storage[i];
+
+ if (clazz.isInstance(entity)) {
+ ret.addEntity(entity, sectionIndex);
+ }
+ }
+ }
+
+ return ret;
+ }
+
+ public <T extends Entity> void getEntities(final Class<? extends T> clazz, final Entity except, final AABB box, final List<? super T> into,
+ final Predicate<? super T> predicate) {
+ EntityCollectionBySection collection = this.entitiesByClass.get(clazz);
+ if (collection != null) {
+ collection.getEntitiesWithEnderDragonParts(except, clazz, box, (List)into, (Predicate)predicate);
+ } else {
+ synchronized (this) {
+ this.entitiesByClass.putIfAbsent(clazz, collection = this.initClass(clazz));
+ }
+ collection.getEntitiesWithEnderDragonParts(except, clazz, box, (List)into, (Predicate)predicate);
+ }
+ }
+
+ public synchronized void updateEntity(final Entity entity) {
+ /*// TODO
+ if (prev aabb != entity.getBoundingBox()) {
+ this.entityMap.delete(entity, prev aabb);
+ this.entityMap.insert(entity, prev aabb = entity.getBoundingBox());
+ }*/
+ }
+
+ protected static final class BasicEntityList<E extends Entity> {
+
+ protected static final Entity[] EMPTY = new Entity[0];
+ protected static final int DEFAULT_CAPACITY = 4;
+
+ protected E[] storage;
+ protected int size;
+
+ public BasicEntityList() {
+ this(0);
+ }
+
+ public BasicEntityList(final int cap) {
+ this.storage = (E[])(cap <= 0 ? EMPTY : new Entity[cap]);
+ }
+
+ public boolean isEmpty() {
+ return this.size == 0;
+ }
+
+ public int size() {
+ return this.size;
+ }
+
+ private void resize() {
+ if (this.storage == EMPTY) {
+ this.storage = (E[])new Entity[DEFAULT_CAPACITY];
+ } else {
+ this.storage = Arrays.copyOf(this.storage, this.storage.length * 2);
+ }
+ }
+
+ public void add(final E entity) {
+ final int idx = this.size++;
+ if (idx >= this.storage.length) {
+ this.resize();
+ this.storage[idx] = entity;
+ } else {
+ this.storage[idx] = entity;
+ }
+ }
+
+ public int indexOf(final E entity) {
+ final E[] storage = this.storage;
+
+ for (int i = 0, len = Math.min(this.storage.length, this.size); i < len; ++i) {
+ if (storage[i] == entity) {
+ return i;
+ }
+ }
+
+ return -1;
+ }
+
+ public boolean remove(final E entity) {
+ final int idx = this.indexOf(entity);
+ if (idx == -1) {
+ return false;
+ }
+
+ final int size = --this.size;
+ final E[] storage = this.storage;
+ if (idx != size) {
+ System.arraycopy(storage, idx + 1, storage, idx, size - idx);
+ }
+
+ storage[size] = null;
+
+ return true;
+ }
+
+ public boolean has(final E entity) {
+ return this.indexOf(entity) != -1;
+ }
+ }
+
+ protected static final class EntityCollectionBySection {
+
+ protected final ChunkEntitySlices manager;
+ protected final long[] nonEmptyBitset;
+ protected final BasicEntityList<Entity>[] entitiesBySection;
+ protected int count;
+
+ public EntityCollectionBySection(final ChunkEntitySlices manager) {
+ this.manager = manager;
+
+ final int sectionCount = manager.maxSection - manager.minSection + 1;
+
+ this.nonEmptyBitset = new long[(sectionCount + (Long.SIZE - 1)) >>> 6]; // (sectionCount + (Long.SIZE - 1)) / Long.SIZE
+ this.entitiesBySection = new BasicEntityList[sectionCount];
+ }
+
+ public void addEntity(final Entity entity, final int sectionIndex) {
+ BasicEntityList<Entity> list = this.entitiesBySection[sectionIndex];
+
+ if (list != null && list.has(entity)) {
+ return;
+ }
+
+ if (list == null) {
+ this.entitiesBySection[sectionIndex] = list = new BasicEntityList<>();
+ this.nonEmptyBitset[sectionIndex >>> 6] |= (1L << (sectionIndex & (Long.SIZE - 1)));
+ }
+
+ list.add(entity);
+ ++this.count;
+ }
+
+ public void removeEntity(final Entity entity, final int sectionIndex) {
+ final BasicEntityList<Entity> list = this.entitiesBySection[sectionIndex];
+
+ if (list == null || !list.remove(entity)) {
+ return;
+ }
+
+ --this.count;
+
+ if (list.isEmpty()) {
+ this.entitiesBySection[sectionIndex] = null;
+ this.nonEmptyBitset[sectionIndex >>> 6] ^= (1L << (sectionIndex & (Long.SIZE - 1)));
+ }
+ }
+
+ public void getEntities(final Entity except, final AABB box, final List<Entity> into, final Predicate<? super Entity> predicate) {
+ if (this.count == 0) {
+ return;
+ }
+
+ final int minSection = this.manager.minSection;
+ final int maxSection = this.manager.maxSection;
+
+ final int min = Mth.clamp(Mth.floor(box.minY - 2.0) >> 4, minSection, maxSection);
+ final int max = Mth.clamp(Mth.floor(box.maxY + 2.0) >> 4, minSection, maxSection);
+
+ // TODO use the bitset
+
+ final BasicEntityList<Entity>[] entitiesBySection = this.entitiesBySection;
+
+ for (int section = min; section <= max; ++section) {
+ final BasicEntityList<Entity> list = entitiesBySection[section - minSection];
+
+ if (list == null) {
+ continue;
+ }
+
+ final Entity[] storage = list.storage;
+
+ for (int i = 0, len = Math.min(storage.length, list.size()); i < len; ++i) {
+ final Entity entity = storage[i];
+
+ if (entity == null || entity == except || !entity.getBoundingBox().intersects(box)) {
+ continue;
+ }
+
+ if (predicate != null && !predicate.test(entity)) {
+ continue;
+ }
+
+ into.add(entity);
+ }
+ }
+ }
+
+ public void getEntitiesWithEnderDragonParts(final Entity except, final AABB box, final List<Entity> into,
+ final Predicate<? super Entity> predicate) {
+ if (this.count == 0) {
+ return;
+ }
+
+ final int minSection = this.manager.minSection;
+ final int maxSection = this.manager.maxSection;
+
+ final int min = Mth.clamp(Mth.floor(box.minY - 2.0) >> 4, minSection, maxSection);
+ final int max = Mth.clamp(Mth.floor(box.maxY + 2.0) >> 4, minSection, maxSection);
+
+ // TODO use the bitset
+
+ final BasicEntityList<Entity>[] entitiesBySection = this.entitiesBySection;
+
+ for (int section = min; section <= max; ++section) {
+ final BasicEntityList<Entity> list = entitiesBySection[section - minSection];
+
+ if (list == null) {
+ continue;
+ }
+
+ final Entity[] storage = list.storage;
+
+ for (int i = 0, len = Math.min(storage.length, list.size()); i < len; ++i) {
+ final Entity entity = storage[i];
+
+ if (entity == null || entity == except || !entity.getBoundingBox().intersects(box)) {
+ continue;
+ }
+
+ if (predicate == null || predicate.test(entity)) {
+ into.add(entity);
+ } // else: continue to test the ender dragon parts
+
+ if (entity instanceof EnderDragon) {
+ for (final EnderDragonPart part : ((EnderDragon)entity).subEntities) {
+ if (part == except || !part.getBoundingBox().intersects(box)) {
+ continue;
+ }
+
+ if (predicate != null && !predicate.test(part)) {
+ continue;
+ }
+
+ into.add(part);
+ }
+ }
+ }
+ }
+ }
+
+ public void getEntitiesWithEnderDragonParts(final Entity except, final Class<?> clazz, final AABB box, final List<Entity> into,
+ final Predicate<? super Entity> predicate) {
+ if (this.count == 0) {
+ return;
+ }
+
+ final int minSection = this.manager.minSection;
+ final int maxSection = this.manager.maxSection;
+
+ final int min = Mth.clamp(Mth.floor(box.minY - 2.0) >> 4, minSection, maxSection);
+ final int max = Mth.clamp(Mth.floor(box.maxY + 2.0) >> 4, minSection, maxSection);
+
+ // TODO use the bitset
+
+ final BasicEntityList<Entity>[] entitiesBySection = this.entitiesBySection;
+
+ for (int section = min; section <= max; ++section) {
+ final BasicEntityList<Entity> list = entitiesBySection[section - minSection];
+
+ if (list == null) {
+ continue;
+ }
+
+ final Entity[] storage = list.storage;
+
+ for (int i = 0, len = Math.min(storage.length, list.size()); i < len; ++i) {
+ final Entity entity = storage[i];
+
+ if (entity == null || entity == except || !entity.getBoundingBox().intersects(box)) {
+ continue;
+ }
+
+ if (predicate == null || predicate.test(entity)) {
+ into.add(entity);
+ } // else: continue to test the ender dragon parts
+
+ if (entity instanceof EnderDragon) {
+ for (final EnderDragonPart part : ((EnderDragon)entity).subEntities) {
+ if (part == except || !part.getBoundingBox().intersects(box) || !clazz.isInstance(part)) {
+ continue;
+ }
+
+ if (predicate != null && !predicate.test(part)) {
+ continue;
+ }
+
+ into.add(part);
+ }
+ }
+ }
+ }
+ }
+
+ public <T extends Entity> void getEntities(final EntityType<?> type, final AABB box, final List<? super T> into,
+ final Predicate<? super T> predicate) {
+ if (this.count == 0) {
+ return;
+ }
+
+ final int minSection = this.manager.minSection;
+ final int maxSection = this.manager.maxSection;
+
+ final int min = Mth.clamp(Mth.floor(box.minY - 2.0) >> 4, minSection, maxSection);
+ final int max = Mth.clamp(Mth.floor(box.maxY + 2.0) >> 4, minSection, maxSection);
+
+ // TODO use the bitset
+
+ final BasicEntityList<Entity>[] entitiesBySection = this.entitiesBySection;
+
+ for (int section = min; section <= max; ++section) {
+ final BasicEntityList<Entity> list = entitiesBySection[section - minSection];
+
+ if (list == null) {
+ continue;
+ }
+
+ final Entity[] storage = list.storage;
+
+ for (int i = 0, len = Math.min(storage.length, list.size()); i < len; ++i) {
+ final Entity entity = storage[i];
+
+ if (entity == null || (type != null && entity.getType() != type) || !entity.getBoundingBox().intersects(box)) {
+ continue;
+ }
+
+ if (predicate != null && !predicate.test((T)entity)) {
+ continue;
+ }
+
+ into.add((T)entity);
+ }
+ }
+ }
+ }
+}
diff --git a/src/main/java/io/papermc/paper/world/EntitySliceManager.java b/src/main/java/io/papermc/paper/world/EntitySliceManager.java
new file mode 100644
index 0000000000000000000000000000000000000000..3ba094e640d7fe7803e2bbdab8ff3beb6f50e8a0
--- /dev/null
+++ b/src/main/java/io/papermc/paper/world/EntitySliceManager.java
@@ -0,0 +1,391 @@
+package io.papermc.paper.world;
+
+import io.papermc.paper.util.CoordinateUtils;
+import io.papermc.paper.util.WorldUtil;
+import it.unimi.dsi.fastutil.longs.Long2ObjectOpenHashMap;
+import net.minecraft.core.BlockPos;
+import net.minecraft.server.level.ChunkHolder;
+import net.minecraft.server.level.ServerLevel;
+import net.minecraft.util.Mth;
+import net.minecraft.world.entity.Entity;
+import net.minecraft.world.entity.EntityType;
+import net.minecraft.world.phys.AABB;
+import java.util.List;
+import java.util.concurrent.locks.StampedLock;
+import java.util.function.Predicate;
+
+public final class EntitySliceManager {
+
+ protected static final int REGION_SHIFT = 5;
+ protected static final int REGION_MASK = (1 << REGION_SHIFT) - 1;
+ protected static final int REGION_SIZE = 1 << REGION_SHIFT;
+
+ public final ServerLevel world;
+
+ private final StampedLock stateLock = new StampedLock();
+ protected final Long2ObjectOpenHashMap<ChunkSlicesRegion> regions = new Long2ObjectOpenHashMap<>(64, 0.7f);
+
+ private final int minSection; // inclusive
+ private final int maxSection; // inclusive
+
+ protected final Long2ObjectOpenHashMap<ChunkHolder.FullChunkStatus> statusMap = new Long2ObjectOpenHashMap<>();
+ {
+ this.statusMap.defaultReturnValue(ChunkHolder.FullChunkStatus.INACCESSIBLE);
+ }
+
+ public EntitySliceManager(final ServerLevel world) {
+ this.world = world;
+ this.minSection = WorldUtil.getMinSection(world);
+ this.maxSection = WorldUtil.getMaxSection(world);
+ }
+
+ public void chunkStatusChange(final int x, final int z, final ChunkHolder.FullChunkStatus newStatus) {
+ if (newStatus == ChunkHolder.FullChunkStatus.INACCESSIBLE) {
+ this.statusMap.remove(CoordinateUtils.getChunkKey(x, z));
+ } else {
+ this.statusMap.put(CoordinateUtils.getChunkKey(x, z), newStatus);
+ final ChunkEntitySlices slices = this.getChunk(x, z);
+ if (slices != null) {
+ slices.updateStatus(newStatus);
+ }
+ }
+ }
+
+ public synchronized void addEntity(final Entity entity) {
+ final BlockPos pos = entity.blockPosition();
+ final int sectionX = pos.getX() >> 4;
+ final int sectionY = Mth.clamp(pos.getY() >> 4, this.minSection, this.maxSection);
+ final int sectionZ = pos.getZ() >> 4;
+ final ChunkEntitySlices slices = this.getOrCreateChunk(sectionX, sectionZ);
+ slices.addEntity(entity, sectionY);
+
+ entity.sectionX = sectionX;
+ entity.sectionY = sectionY;
+ entity.sectionZ = sectionZ;
+ }
+
+ public synchronized void removeEntity(final Entity entity) {
+ final ChunkEntitySlices slices = this.getChunk(entity.sectionX, entity.sectionZ);
+ slices.removeEntity(entity, entity.sectionY);
+ if (slices.isEmpty()) {
+ this.removeChunk(entity.sectionX, entity.sectionZ);
+ }
+ }
+
+ public void moveEntity(final Entity entity) {
+ final BlockPos newPos = entity.blockPosition();
+ final int newSectionX = newPos.getX() >> 4;
+ final int newSectionY = Mth.clamp(newPos.getY() >> 4, this.minSection, this.maxSection);
+ final int newSectionZ = newPos.getZ() >> 4;
+
+ if (newSectionX == entity.sectionX && newSectionY == entity.sectionY && newSectionZ == entity.sectionZ) {
+ return;
+ }
+
+ synchronized (this) {
+ // are we changing chunks?
+ if (newSectionX != entity.sectionX || newSectionZ != entity.sectionZ) {
+ final ChunkEntitySlices slices = this.getOrCreateChunk(newSectionX, newSectionZ);
+ final ChunkEntitySlices old = this.getChunk(entity.sectionX, entity.sectionZ);
+ synchronized (old) {
+ old.removeEntity(entity, entity.sectionY);
+ if (old.isEmpty()) {
+ this.removeChunk(entity.sectionX, entity.sectionZ);
+ }
+ }
+
+ synchronized (slices) {
+ slices.addEntity(entity, newSectionY);
+
+ entity.sectionX = newSectionX;
+ entity.sectionY = newSectionY;
+ entity.sectionZ = newSectionZ;
+ }
+ } else {
+ final ChunkEntitySlices slices = this.getChunk(newSectionX, newSectionZ);
+ // same chunk
+ synchronized (slices) {
+ slices.removeEntity(entity, entity.sectionY);
+ slices.addEntity(entity, newSectionY);
+ }
+ entity.sectionY = newSectionY;
+ }
+ }
+
+ }
+
+ public void getEntities(final Entity except, final AABB box, final List<Entity> into, final Predicate<? super Entity> predicate) {
+ final int minChunkX = (Mth.floor(box.minX) - 2) >> 4;
+ final int minChunkZ = (Mth.floor(box.minZ) - 2) >> 4;
+ final int maxChunkX = (Mth.floor(box.maxX) + 2) >> 4;
+ final int maxChunkZ = (Mth.floor(box.maxZ) + 2) >> 4;
+
+ final int minRegionX = minChunkX >> REGION_SHIFT;
+ final int minRegionZ = minChunkZ >> REGION_SHIFT;
+ final int maxRegionX = maxChunkX >> REGION_SHIFT;
+ final int maxRegionZ = maxChunkZ >> REGION_SHIFT;
+
+ for (int currRegionZ = minRegionZ; currRegionZ <= maxRegionZ; ++currRegionZ) {
+ final int minZ = currRegionZ == minRegionZ ? minChunkZ & REGION_MASK : 0;
+ final int maxZ = currRegionZ == maxRegionZ ? maxChunkZ & REGION_MASK : REGION_MASK;
+
+ for (int currRegionX = minRegionX; currRegionX <= maxRegionX; ++currRegionX) {
+ final ChunkSlicesRegion region = this.getRegion(currRegionX, currRegionZ);
+
+ if (region == null) {
+ continue;
+ }
+
+ final int minX = currRegionX == minRegionX ? minChunkX & REGION_MASK : 0;
+ final int maxX = currRegionX == maxRegionX ? maxChunkX & REGION_MASK : REGION_MASK;
+
+ for (int currZ = minZ; currZ <= maxZ; ++currZ) {
+ for (int currX = minX; currX <= maxX; ++currX) {
+ final ChunkEntitySlices chunk = region.get(currX | (currZ << REGION_SHIFT));
+ if (chunk == null || !chunk.status.isOrAfter(ChunkHolder.FullChunkStatus.BORDER)) {
+ continue;
+ }
+
+ chunk.getEntities(except, box, into, predicate);
+ }
+ }
+ }
+ }
+ }
+
+ public void getHardCollidingEntities(final Entity except, final AABB box, final List<Entity> into, final Predicate<? super Entity> predicate) {
+ final int minChunkX = (Mth.floor(box.minX) - 2) >> 4;
+ final int minChunkZ = (Mth.floor(box.minZ) - 2) >> 4;
+ final int maxChunkX = (Mth.floor(box.maxX) + 2) >> 4;
+ final int maxChunkZ = (Mth.floor(box.maxZ) + 2) >> 4;
+
+ final int minRegionX = minChunkX >> REGION_SHIFT;
+ final int minRegionZ = minChunkZ >> REGION_SHIFT;
+ final int maxRegionX = maxChunkX >> REGION_SHIFT;
+ final int maxRegionZ = maxChunkZ >> REGION_SHIFT;
+
+ for (int currRegionZ = minRegionZ; currRegionZ <= maxRegionZ; ++currRegionZ) {
+ final int minZ = currRegionZ == minRegionZ ? minChunkZ & REGION_MASK : 0;
+ final int maxZ = currRegionZ == maxRegionZ ? maxChunkZ & REGION_MASK : REGION_MASK;
+
+ for (int currRegionX = minRegionX; currRegionX <= maxRegionX; ++currRegionX) {
+ final ChunkSlicesRegion region = this.getRegion(currRegionX, currRegionZ);
+
+ if (region == null) {
+ continue;
+ }
+
+ final int minX = currRegionX == minRegionX ? minChunkX & REGION_MASK : 0;
+ final int maxX = currRegionX == maxRegionX ? maxChunkX & REGION_MASK : REGION_MASK;
+
+ for (int currZ = minZ; currZ <= maxZ; ++currZ) {
+ for (int currX = minX; currX <= maxX; ++currX) {
+ final ChunkEntitySlices chunk = region.get(currX | (currZ << REGION_SHIFT));
+ if (chunk == null || !chunk.status.isOrAfter(ChunkHolder.FullChunkStatus.BORDER)) {
+ continue;
+ }
+
+ chunk.getHardCollidingEntities(except, box, into, predicate);
+ }
+ }
+ }
+ }
+ }
+
+ public <T extends Entity> void getEntities(final EntityType<?> type, final AABB box, final List<? super T> into,
+ final Predicate<? super T> predicate) {
+ final int minChunkX = (Mth.floor(box.minX) - 2) >> 4;
+ final int minChunkZ = (Mth.floor(box.minZ) - 2) >> 4;
+ final int maxChunkX = (Mth.floor(box.maxX) + 2) >> 4;
+ final int maxChunkZ = (Mth.floor(box.maxZ) + 2) >> 4;
+
+ final int minRegionX = minChunkX >> REGION_SHIFT;
+ final int minRegionZ = minChunkZ >> REGION_SHIFT;
+ final int maxRegionX = maxChunkX >> REGION_SHIFT;
+ final int maxRegionZ = maxChunkZ >> REGION_SHIFT;
+
+ for (int currRegionZ = minRegionZ; currRegionZ <= maxRegionZ; ++currRegionZ) {
+ final int minZ = currRegionZ == minRegionZ ? minChunkZ & REGION_MASK : 0;
+ final int maxZ = currRegionZ == maxRegionZ ? maxChunkZ & REGION_MASK : REGION_MASK;
+
+ for (int currRegionX = minRegionX; currRegionX <= maxRegionX; ++currRegionX) {
+ final ChunkSlicesRegion region = this.getRegion(currRegionX, currRegionZ);
+
+ if (region == null) {
+ continue;
+ }
+
+ final int minX = currRegionX == minRegionX ? minChunkX & REGION_MASK : 0;
+ final int maxX = currRegionX == maxRegionX ? maxChunkX & REGION_MASK : REGION_MASK;
+
+ for (int currZ = minZ; currZ <= maxZ; ++currZ) {
+ for (int currX = minX; currX <= maxX; ++currX) {
+ final ChunkEntitySlices chunk = region.get(currX | (currZ << REGION_SHIFT));
+ if (chunk == null || !chunk.status.isOrAfter(ChunkHolder.FullChunkStatus.BORDER)) {
+ continue;
+ }
+
+ chunk.getEntities(type, box, (List)into, (Predicate)predicate);
+ }
+ }
+ }
+ }
+ }
+
+ public <T extends Entity> void getEntities(final Class<? extends T> clazz, final Entity except, final AABB box, final List<? super T> into,
+ final Predicate<? super T> predicate) {
+ final int minChunkX = (Mth.floor(box.minX) - 2) >> 4;
+ final int minChunkZ = (Mth.floor(box.minZ) - 2) >> 4;
+ final int maxChunkX = (Mth.floor(box.maxX) + 2) >> 4;
+ final int maxChunkZ = (Mth.floor(box.maxZ) + 2) >> 4;
+
+ final int minRegionX = minChunkX >> REGION_SHIFT;
+ final int minRegionZ = minChunkZ >> REGION_SHIFT;
+ final int maxRegionX = maxChunkX >> REGION_SHIFT;
+ final int maxRegionZ = maxChunkZ >> REGION_SHIFT;
+
+ for (int currRegionZ = minRegionZ; currRegionZ <= maxRegionZ; ++currRegionZ) {
+ final int minZ = currRegionZ == minRegionZ ? minChunkZ & REGION_MASK : 0;
+ final int maxZ = currRegionZ == maxRegionZ ? maxChunkZ & REGION_MASK : REGION_MASK;
+
+ for (int currRegionX = minRegionX; currRegionX <= maxRegionX; ++currRegionX) {
+ final ChunkSlicesRegion region = this.getRegion(currRegionX, currRegionZ);
+
+ if (region == null) {
+ continue;
+ }
+
+ final int minX = currRegionX == minRegionX ? minChunkX & REGION_MASK : 0;
+ final int maxX = currRegionX == maxRegionX ? maxChunkX & REGION_MASK : REGION_MASK;
+
+ for (int currZ = minZ; currZ <= maxZ; ++currZ) {
+ for (int currX = minX; currX <= maxX; ++currX) {
+ final ChunkEntitySlices chunk = region.get(currX | (currZ << REGION_SHIFT));
+ if (chunk == null || !chunk.status.isOrAfter(ChunkHolder.FullChunkStatus.BORDER)) {
+ continue;
+ }
+
+ chunk.getEntities(clazz, except, box, into, predicate);
+ }
+ }
+ }
+ }
+ }
+
+ public ChunkEntitySlices getChunk(final int chunkX, final int chunkZ) {
+ final ChunkSlicesRegion region = this.getRegion(chunkX >> REGION_SHIFT, chunkZ >> REGION_SHIFT);
+ if (region == null) {
+ return null;
+ }
+
+ return region.get((chunkX & REGION_MASK) | ((chunkZ & REGION_MASK) << REGION_SHIFT));
+ }
+
+ public ChunkEntitySlices getOrCreateChunk(final int chunkX, final int chunkZ) {
+ final ChunkSlicesRegion region = this.getRegion(chunkX >> REGION_SHIFT, chunkZ >> REGION_SHIFT);
+ ChunkEntitySlices ret;
+ if (region == null || (ret = region.get((chunkX & REGION_MASK) | ((chunkZ & REGION_MASK) << REGION_SHIFT))) == null) {
+ ret = new ChunkEntitySlices(this.world, chunkX, chunkZ, this.statusMap.get(CoordinateUtils.getChunkKey(chunkX, chunkZ)),
+ WorldUtil.getMinSection(this.world), WorldUtil.getMaxSection(this.world));
+
+ this.addChunk(chunkX, chunkZ, ret);
+
+ return ret;
+ }
+
+ return ret;
+ }
+
+ public ChunkSlicesRegion getRegion(final int regionX, final int regionZ) {
+ final long key = CoordinateUtils.getChunkKey(regionX, regionZ);
+ final long attempt = this.stateLock.tryOptimisticRead();
+ if (attempt != 0L) {
+ try {
+ final ChunkSlicesRegion ret = this.regions.get(key);
+
+ if (this.stateLock.validate(attempt)) {
+ return ret;
+ }
+ } catch (final Error error) {
+ throw error;
+ } catch (final Throwable thr) {
+ // ignore
+ }
+ }
+
+ this.stateLock.readLock();
+ try {
+ return this.regions.get(key);
+ } finally {
+ this.stateLock.tryUnlockRead();
+ }
+ }
+
+ public synchronized void removeChunk(final int chunkX, final int chunkZ) {
+ final long key = CoordinateUtils.getChunkKey(chunkX >> REGION_SHIFT, chunkZ >> REGION_SHIFT);
+ final int relIndex = (chunkX & REGION_MASK) | ((chunkZ & REGION_MASK) << REGION_SHIFT);
+
+ final ChunkSlicesRegion region = this.regions.get(key);
+ final int remaining = region.remove(relIndex);
+
+ if (remaining == 0) {
+ this.stateLock.writeLock();
+ try {
+ this.regions.remove(key);
+ } finally {
+ this.stateLock.tryUnlockWrite();
+ }
+ }
+ }
+
+ public synchronized void addChunk(final int chunkX, final int chunkZ, final ChunkEntitySlices slices) {
+ final long key = CoordinateUtils.getChunkKey(chunkX >> REGION_SHIFT, chunkZ >> REGION_SHIFT);
+ final int relIndex = (chunkX & REGION_MASK) | ((chunkZ & REGION_MASK) << REGION_SHIFT);
+
+ ChunkSlicesRegion region = this.regions.get(key);
+ if (region != null) {
+ region.add(relIndex, slices);
+ } else {
+ region = new ChunkSlicesRegion();
+ region.add(relIndex, slices);
+ this.stateLock.writeLock();
+ try {
+ this.regions.put(key, region);
+ } finally {
+ this.stateLock.tryUnlockWrite();
+ }
+ }
+ }
+
+ public static final class ChunkSlicesRegion {
+
+ protected final ChunkEntitySlices[] slices = new ChunkEntitySlices[REGION_SIZE * REGION_SIZE];
+ protected int sliceCount;
+
+ public ChunkEntitySlices get(final int index) {
+ return this.slices[index];
+ }
+
+ public int remove(final int index) {
+ final ChunkEntitySlices slices = this.slices[index];
+ if (slices == null) {
+ throw new IllegalStateException();
+ }
+
+ this.slices[index] = null;
+
+ return --this.sliceCount;
+ }
+
+ public void add(final int index, final ChunkEntitySlices slices) {
+ final ChunkEntitySlices curr = this.slices[index];
+ if (curr != null) {
+ throw new IllegalStateException();
+ }
+
+ this.slices[index] = slices;
+
+ ++this.sliceCount;
+ }
+ }
+}
diff --git a/src/main/java/net/minecraft/server/level/ServerLevel.java b/src/main/java/net/minecraft/server/level/ServerLevel.java
index a7ad8fcbd99b94440803290b7fe7465c638dc895..848601bf0a5af305a0eef48d5870afc0fcce3af0 100644
--- a/src/main/java/net/minecraft/server/level/ServerLevel.java
+++ b/src/main/java/net/minecraft/server/level/ServerLevel.java
@@ -431,7 +431,7 @@ public class ServerLevel extends Level implements WorldGenLevel {
DataFixer datafixer = minecraftserver.getFixerUpper();
EntityPersistentStorage<Entity> entitypersistentstorage = new EntityStorage(this, convertable_conversionsession.getDimensionPath(resourcekey).resolve("entities"), datafixer, flag2, minecraftserver);
- this.entityManager = new PersistentEntitySectionManager<>(Entity.class, new ServerLevel.EntityCallbacks(), entitypersistentstorage);
+ this.entityManager = new PersistentEntitySectionManager<>(Entity.class, new ServerLevel.EntityCallbacks(), entitypersistentstorage, this.entitySliceManager); // Paper
StructureManager definedstructuremanager = minecraftserver.getStructureManager();
int j = this.spigotConfig.viewDistance; // Spigot
int k = this.spigotConfig.simulationDistance; // Spigot
diff --git a/src/main/java/net/minecraft/server/level/WorldGenRegion.java b/src/main/java/net/minecraft/server/level/WorldGenRegion.java
index 8fdda1e5805534d08c0a06b15e89d85b3d9c21e9..a24f605bd033f249a374e83ba094880106260eee 100644
--- a/src/main/java/net/minecraft/server/level/WorldGenRegion.java
+++ b/src/main/java/net/minecraft/server/level/WorldGenRegion.java
@@ -490,4 +490,21 @@ public class WorldGenRegion implements WorldGenLevel {
public long nextSubTickCount() {
return this.subTickCount.getAndIncrement();
}
+
+ // Paper start
+ // No-op, this class doesn't provide entity access
+ @Override
+ public List<Entity> getHardCollidingEntities(Entity except, AABB box, Predicate<? super Entity> predicate) {
+ return Collections.emptyList();
+ }
+
+ @Override
+ public void getEntities(Entity except, AABB box, Predicate<? super Entity> predicate, List<Entity> into) {}
+
+ @Override
+ public void getHardCollidingEntities(Entity except, AABB box, Predicate<? super Entity> predicate, List<Entity> into) {}
+
+ @Override
+ public <T> void getEntitiesByClass(Class<? extends T> clazz, Entity except, AABB box, List<? super T> into, Predicate<? super T> predicate) {}
+ // Paper end
}
diff --git a/src/main/java/net/minecraft/world/entity/Entity.java b/src/main/java/net/minecraft/world/entity/Entity.java
index dbfd97c2ba09ffd6b83c5b2f787e7463ab61e4a6..08e76481ed60c5df64e76edb5b954f008177ca34 100644
--- a/src/main/java/net/minecraft/world/entity/Entity.java
+++ b/src/main/java/net/minecraft/world/entity/Entity.java
@@ -428,6 +428,56 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource {
}
// Paper end - make end portalling safe
+ // Paper start
+ /**
+ * Overriding this field will cause memory leaks.
+ */
+ private final boolean hardCollides;
+
+ private static final java.util.Map<Class<? extends Entity>, Boolean> cachedOverrides = java.util.Collections.synchronizedMap(new java.util.WeakHashMap<>());
+ {
+ /* // Goodbye, broken on reobf...
+ Boolean hardCollides = cachedOverrides.get(this.getClass());
+ if (hardCollides == null) {
+ try {
+ java.lang.reflect.Method getHardCollisionBoxEntityMethod = Entity.class.getMethod("canCollideWith", Entity.class);
+ java.lang.reflect.Method hasHardCollisionBoxMethod = Entity.class.getMethod("canBeCollidedWith");
+ if (!this.getClass().getMethod(hasHardCollisionBoxMethod.getName(), hasHardCollisionBoxMethod.getParameterTypes()).equals(hasHardCollisionBoxMethod)
+ || !this.getClass().getMethod(getHardCollisionBoxEntityMethod.getName(), getHardCollisionBoxEntityMethod.getParameterTypes()).equals(getHardCollisionBoxEntityMethod)) {
+ hardCollides = Boolean.TRUE;
+ } else {
+ hardCollides = Boolean.FALSE;
+ }
+ cachedOverrides.put(this.getClass(), hardCollides);
+ }
+ catch (ThreadDeath thr) { throw thr; }
+ catch (Throwable thr) {
+ // shouldn't happen, just explode
+ throw new RuntimeException(thr);
+ }
+ } */
+ this.hardCollides = this instanceof Boat
+ || this instanceof net.minecraft.world.entity.monster.Shulker
+ || this instanceof net.minecraft.world.entity.vehicle.AbstractMinecart
+ || this.shouldHardCollide();
+ }
+
+ // plugins can override
+ protected boolean shouldHardCollide() {
+ return false;
+ }
+
+ public final boolean hardCollides() {
+ return this.hardCollides;
+ }
+
+ public net.minecraft.server.level.ChunkHolder.FullChunkStatus chunkStatus;
+
+ public int sectionX = Integer.MIN_VALUE;
+ public int sectionY = Integer.MIN_VALUE;
+ public int sectionZ = Integer.MIN_VALUE;
+ // Paper end
+
public Entity(EntityType<?> type, Level world) {
this.id = Entity.ENTITY_COUNTER.incrementAndGet();
this.passengers = ImmutableList.of();
@@ -2278,11 +2328,11 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource {
return InteractionResult.PASS;
}
- public boolean canCollideWith(Entity other) {
+ public boolean canCollideWith(Entity other) { // Paper - diff on change, hard colliding entities override this - TODO CHECK ON UPDATE - AbstractMinecart/Boat override
return other.canBeCollidedWith() && !this.isPassengerOfSameVehicle(other);
}
- public boolean canBeCollidedWith() {
+ public boolean canBeCollidedWith() { // Paper - diff on change, hard colliding entities override this TODO CHECK ON UPDATE - Boat/Shulker override
return false;
}
diff --git a/src/main/java/net/minecraft/world/level/EntityGetter.java b/src/main/java/net/minecraft/world/level/EntityGetter.java
index 99f69f11e86fdee801504303fe025797f7959db8..f9527d1d867f93b4e0e2758485cfa1f6efa0bf8b 100644
--- a/src/main/java/net/minecraft/world/level/EntityGetter.java
+++ b/src/main/java/net/minecraft/world/level/EntityGetter.java
@@ -19,6 +19,18 @@ import net.minecraft.world.phys.shapes.Shapes;
import net.minecraft.world.phys.shapes.VoxelShape;
public interface EntityGetter {
+
+ // Paper start
+ List<Entity> getHardCollidingEntities(Entity except, AABB box, Predicate<? super Entity> predicate);
+
+ void getEntities(Entity except, AABB box, Predicate<? super Entity> predicate, List<Entity> into);
+
+ void getHardCollidingEntities(Entity except, AABB box, Predicate<? super Entity> predicate, List<Entity> into);
+
+ <T> void getEntitiesByClass(Class<? extends T> clazz, Entity except, final AABB box, List<? super T> into,
+ Predicate<? super T> predicate);
+ // Paper end
+
List<Entity> getEntities(@Nullable Entity except, AABB box, Predicate<? super Entity> predicate);
<T extends Entity> List<T> getEntities(EntityTypeTest<Entity, T> filter, AABB box, Predicate<? super T> predicate);
diff --git a/src/main/java/net/minecraft/world/level/Level.java b/src/main/java/net/minecraft/world/level/Level.java
index c293531a6913b365c3bf804d6d0bfae24378dc43..944519c4433710610ac5015d3d3de380d9ec39c9 100644
--- a/src/main/java/net/minecraft/world/level/Level.java
+++ b/src/main/java/net/minecraft/world/level/Level.java
@@ -278,6 +278,7 @@ public abstract class Level implements LevelAccessor, AutoCloseable {
this.entityLimiter = new org.spigotmc.TickLimiter(spigotConfig.entityMaxTickTime);
this.tileLimiter = new org.spigotmc.TickLimiter(spigotConfig.tileMaxTickTime);
this.chunkPacketBlockController = this.paperConfig.antiXray ? new com.destroystokyo.paper.antixray.ChunkPacketBlockControllerAntiXray(this, executor) : com.destroystokyo.paper.antixray.ChunkPacketBlockController.NO_OPERATION_INSTANCE; // Paper - Anti-Xray
+ this.entitySliceManager = new io.papermc.paper.world.EntitySliceManager((ServerLevel)this); // Paper
}
// Paper start
@@ -988,26 +989,7 @@ public abstract class Level implements LevelAccessor, AutoCloseable {
public List<Entity> getEntities(@Nullable Entity except, AABB box, Predicate<? super Entity> predicate) {
this.getProfiler().incrementCounter("getEntities");
List<Entity> list = Lists.newArrayList();
-
- this.getEntities().get(box, (entity1) -> {
- if (entity1 != except && predicate.test(entity1)) {
- list.add(entity1);
- }
-
- if (entity1 instanceof EnderDragon) {
- EnderDragonPart[] aentitycomplexpart = ((EnderDragon) entity1).getSubEntities();
- int i = aentitycomplexpart.length;
-
- for (int j = 0; j < i; ++j) {
- EnderDragonPart entitycomplexpart = aentitycomplexpart[j];
-
- if (entity1 != except && predicate.test(entitycomplexpart)) {
- list.add(entitycomplexpart);
- }
- }
- }
-
- }, predicate == net.minecraft.world.entity.EntitySelector.CONTAINER_ENTITY_SELECTOR); // Paper
+ this.entitySliceManager.getEntities(except, box, list, predicate); // Paper - optimise this call
return list;
}
@@ -1016,27 +998,22 @@ public abstract class Level implements LevelAccessor, AutoCloseable {
this.getProfiler().incrementCounter("getEntities");
List<T> list = Lists.newArrayList();
- this.getEntities().get(filter, box, (entity) -> {
- if (predicate.test(entity)) {
- list.add(entity);
- }
-
- if (entity instanceof EnderDragon) {
- EnderDragon entityenderdragon = (EnderDragon) entity;
- EnderDragonPart[] aentitycomplexpart = entityenderdragon.getSubEntities();
- int i = aentitycomplexpart.length;
-
- for (int j = 0; j < i; ++j) {
- EnderDragonPart entitycomplexpart = aentitycomplexpart[j];
- T t0 = filter.tryCast(entitycomplexpart); // CraftBukkit - decompile error
-
- if (t0 != null && predicate.test(t0)) {
- list.add(t0);
- }
- }
+ // Paper start - optimise this call
+ if (filter instanceof net.minecraft.world.entity.EntityType) {
+ this.entitySliceManager.getEntities((net.minecraft.world.entity.EntityType)filter, box, list, predicate);
+ } else {
+ Predicate<? super T> test = (obj) -> {
+ return filter.tryCast(obj) != null;
+ };
+ predicate = predicate == null ? test : test.and((Predicate)predicate);
+ Class base;
+ if (filter == null || (base = filter.getBaseClass()) == null || base == Entity.class) {
+ this.entitySliceManager.getEntities((Entity) null, box, (List)list, (Predicate)predicate);
+ } else {
+ this.entitySliceManager.getEntities(base, null, box, (List)list, (Predicate)predicate); // Paper - optimise this call
}
-
- });
+ }
+ // Paper end - optimise this call
return list;
}
@@ -1389,4 +1366,46 @@ public abstract class Level implements LevelAccessor, AutoCloseable {
public long nextSubTickCount() {
return (long) (this.subTickCount++);
}
+
+ // Paper start
+ protected final io.papermc.paper.world.EntitySliceManager entitySliceManager;
+
+ public org.bukkit.entity.Entity[] getChunkEntities(int chunkX, int chunkZ) {
+ io.papermc.paper.world.ChunkEntitySlices slices = this.entitySliceManager.getChunk(chunkX, chunkZ);
+ if (slices == null) {
+ return new org.bukkit.entity.Entity[0];
+ }
+ return slices.getChunkEntities();
+ }
+
+ @Override
+ public List<Entity> getHardCollidingEntities(Entity except, AABB box, Predicate<? super Entity> predicate) {
+ List<Entity> ret = new java.util.ArrayList<>();
+ this.entitySliceManager.getEntities(except, box, ret, predicate);
+ return ret;
+ }
+
+ @Override
+ public void getEntities(Entity except, AABB box, Predicate<? super Entity> predicate, List<Entity> into) {
+ this.entitySliceManager.getEntities(except, box, into, predicate);
+ }
+
+ @Override
+ public void getHardCollidingEntities(Entity except, AABB box, Predicate<? super Entity> predicate, List<Entity> into) {
+ this.entitySliceManager.getHardCollidingEntities(except, box, into, predicate);
+ }
+
+ @Override
+ public <T> void getEntitiesByClass(Class<? extends T> clazz, Entity except, final AABB box, List<? super T> into,
+ Predicate<? super T> predicate) {
+ this.entitySliceManager.getEntities((Class)clazz, except, box, (List)into, (Predicate)predicate);
+ }
+
+ @Override
+ public <T extends Entity> List<T> getEntitiesOfClass(Class<T> entityClass, AABB box, Predicate<? super T> predicate) {
+ List<T> ret = new java.util.ArrayList<>();
+ this.entitySliceManager.getEntities(entityClass, null, box, ret, predicate);
+ return ret;
+ }
+ // Paper end
}
diff --git a/src/main/java/net/minecraft/world/level/entity/PersistentEntitySectionManager.java b/src/main/java/net/minecraft/world/level/entity/PersistentEntitySectionManager.java
index 35e3926a878dd87f05bb41e9e52b4e04e30752eb..5029ab81e3d7943a001b6367083eb511ce7d3572 100644
--- a/src/main/java/net/minecraft/world/level/entity/PersistentEntitySectionManager.java
+++ b/src/main/java/net/minecraft/world/level/entity/PersistentEntitySectionManager.java
@@ -49,8 +49,10 @@ public class PersistentEntitySectionManager<T extends EntityAccess> implements A
private final Long2ObjectMap<PersistentEntitySectionManager.ChunkLoadStatus> chunkLoadStatuses = new Long2ObjectOpenHashMap();
private final LongSet chunksToUnload = new LongOpenHashSet();
private final Queue<ChunkEntities<T>> loadingInbox = Queues.newConcurrentLinkedQueue();
+ public final io.papermc.paper.world.EntitySliceManager entitySliceManager; // Paper
- public PersistentEntitySectionManager(Class<T> entityClass, LevelCallback<T> handler, EntityPersistentStorage<T> dataAccess) {
+ public PersistentEntitySectionManager(Class<T> entityClass, LevelCallback<T> handler, EntityPersistentStorage<T> dataAccess, io.papermc.paper.world.EntitySliceManager entitySliceManager) { // Paper
+ this.entitySliceManager = entitySliceManager; // Paper
this.sectionStorage = new EntitySectionStorage<>(entityClass, this.chunkVisibility);
this.chunkVisibility.defaultReturnValue(Visibility.HIDDEN);
this.chunkLoadStatuses.defaultReturnValue(PersistentEntitySectionManager.ChunkLoadStatus.FRESH);
@@ -112,6 +114,7 @@ public class PersistentEntitySectionManager<T extends EntityAccess> implements A
EntitySection<T> entitysection = this.sectionStorage.getOrCreateSection(i);
entitysection.add(entity);
+ this.entitySliceManager.addEntity((Entity)entity); // Paper
entity.setLevelCallback(new PersistentEntitySectionManager.Callback(entity, i, entitysection));
if (!existing) {
this.callbacks.onCreated(entity);
@@ -169,6 +172,7 @@ public class PersistentEntitySectionManager<T extends EntityAccess> implements A
io.papermc.paper.util.TickThread.ensureTickThread("Asynchronous chunk ticking status update"); // Paper
Visibility visibility = Visibility.fromFullChunkStatus(levelType);
+ this.entitySliceManager.chunkStatusChange(chunkPos.x, chunkPos.z, levelType); // Paper
this.updateChunkStatus(chunkPos, visibility);
}
@@ -455,6 +459,7 @@ public class PersistentEntitySectionManager<T extends EntityAccess> implements A
long i = SectionPos.asLong(blockposition);
if (i != this.currentSectionKey) {
+ PersistentEntitySectionManager.this.entitySliceManager.moveEntity((Entity)this.entity); // Paper
Visibility visibility = this.currentSection.getStatus();
if (!this.currentSection.remove(this.entity)) {
@@ -503,6 +508,7 @@ public class PersistentEntitySectionManager<T extends EntityAccess> implements A
if (!this.currentSection.remove(this.entity)) {
PersistentEntitySectionManager.LOGGER.warn("Entity {} wasn't found in section {} (destroying due to {})", new Object[]{this.entity, SectionPos.of(this.currentSectionKey), reason});
}
+ PersistentEntitySectionManager.this.entitySliceManager.removeEntity((Entity)this.entity); // Paper
Visibility visibility = PersistentEntitySectionManager.getEffectiveStatus(this.entity, this.currentSection.getStatus());
diff --git a/src/main/java/org/bukkit/craftbukkit/CraftChunk.java b/src/main/java/org/bukkit/craftbukkit/CraftChunk.java
index f8f44cb6e823a0150f3abdab133f8ae247c9b89c..0085a4dd0f0def1ba71342e20aecdd46a3761b02 100644
--- a/src/main/java/org/bukkit/craftbukkit/CraftChunk.java
+++ b/src/main/java/org/bukkit/craftbukkit/CraftChunk.java
@@ -133,9 +133,7 @@ public class CraftChunk implements Chunk {
long pair = ChunkPos.asLong(x, z);
if (entityManager.areEntitiesLoaded(pair)) {
- return entityManager.getEntities(new ChunkPos(this.x, this.z)).stream()
- .map(net.minecraft.world.entity.Entity::getBukkitEntity)
- .filter(Objects::nonNull).toArray(Entity[]::new);
+ return getCraftWorld().getHandle().getChunkEntities(this.x, this.z); // Paper - optimise this
}
entityManager.ensureChunkQueuedForLoad(pair); // Start entity loading
@@ -171,9 +169,7 @@ public class CraftChunk implements Chunk {
}
}
- return entityManager.getEntities(new ChunkPos(this.x, this.z)).stream()
- .map(net.minecraft.world.entity.Entity::getBukkitEntity)
- .filter(Objects::nonNull).toArray(Entity[]::new);
+ return getCraftWorld().getHandle().getChunkEntities(this.x, this.z); // Paper - optimise this
}
@Override
diff --git a/src/main/java/org/bukkit/craftbukkit/util/DummyGeneratorAccess.java b/src/main/java/org/bukkit/craftbukkit/util/DummyGeneratorAccess.java
index 13e887e9d06c3eb8649613d1ecb3d26de6b9d6ef..34e2e14ebb007cceb8b64d3eb321646e834215d4 100644
--- a/src/main/java/org/bukkit/craftbukkit/util/DummyGeneratorAccess.java
+++ b/src/main/java/org/bukkit/craftbukkit/util/DummyGeneratorAccess.java
@@ -251,4 +251,20 @@ public class DummyGeneratorAccess implements WorldGenLevel {
public boolean destroyBlock(BlockPos pos, boolean drop, Entity breakingEntity, int maxUpdateDepth) {
return false; // SPIGOT-6515
}
+
+ // Paper start
+ @Override
+ public List<Entity> getHardCollidingEntities(Entity except, AABB box, Predicate<? super Entity> predicate) {
+ return java.util.Collections.emptyList();
+ }
+
+ @Override
+ public void getEntities(Entity except, AABB box, Predicate<? super Entity> predicate, List<Entity> into) {}
+
+ @Override
+ public void getHardCollidingEntities(Entity except, AABB box, Predicate<? super Entity> predicate, List<Entity> into) {}
+
+ @Override
+ public <T> void getEntitiesByClass(Class<? extends T> clazz, Entity except, AABB box, List<? super T> into, Predicate<? super T> predicate) {}
+ // Paper end
}
diff --git a/src/main/java/org/spigotmc/ActivationRange.java b/src/main/java/org/spigotmc/ActivationRange.java
index c9a032c5331a918453de5e8c6a6d13f5c9f415ee..5bffc9a0f6ef9d54abb359565d07509b177c2b82 100644
--- a/src/main/java/org/spigotmc/ActivationRange.java
+++ b/src/main/java/org/spigotmc/ActivationRange.java
@@ -210,7 +210,13 @@ public class ActivationRange
ActivationType.VILLAGER.boundingBox = player.getBoundingBox().inflate( villagerActivationRange, 256, villagerActivationRange );
// Paper end
- world.getEntities().get(maxBB, ActivationRange::activateEntity);
+ // Paper start
+ java.util.List<Entity> entities = world.getEntities((Entity)null, maxBB, null);
+ for (int i = 0; i < entities.size(); i++) {
+ Entity entity = entities.get(i);
+ ActivationRange.activateEntity(entity);
+ }
+ // Paper end
}
MinecraftTimings.entityActivationCheckTimer.stopTiming();
}
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