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Paper/patches/server/0747-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 bc6f48892290ac3e6909fb401a559b1148b405b4..5e65df1a9a8282c4ffa06801379b79ab0ed1b45c 100644
--- a/src/main/java/net/minecraft/server/level/ServerLevel.java
+++ b/src/main/java/net/minecraft/server/level/ServerLevel.java
@@ -428,7 +428,7 @@ 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 de5e18a331178da8f7e82aa2419a0ee606e801ee..9b25d36fe5230e287d81b99be31b9eddd8e76002 100644
--- a/src/main/java/net/minecraft/server/level/WorldGenRegion.java
+++ b/src/main/java/net/minecraft/server/level/WorldGenRegion.java
@@ -496,4 +496,21 @@ 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 8963bc6cfd3edfd493cc73918513478a5bc03903..a320816795fa9b2d4fc696b008222368b00c586e 100644
--- a/src/main/java/net/minecraft/world/entity/Entity.java
+++ b/src/main/java/net/minecraft/world/entity/Entity.java
@@ -419,6 +419,56 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource, i
}
// 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();
@@ -2280,11 +2330,11 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource, i
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 bc3bfe8d3c2f87e2e9f167b9ff34d9ca8a696391..30276959c0119813c27ee3f98e237c93236e5b39 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 d63f4108012b4d3ed566298c7cda27bbbf018c6a..3831895e2219d846022500553d9b714c7d654b3a 100644
--- a/src/main/java/net/minecraft/world/level/Level.java
+++ b/src/main/java/net/minecraft/world/level/Level.java
@@ -203,6 +203,48 @@ public abstract class Level implements LevelAccessor, AutoCloseable {
public abstract ResourceKey<LevelStem> getTypeKey();
+ // 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
+
protected Level(WritableLevelData worlddatamutable, ResourceKey<Level> resourcekey, final DimensionType dimensionmanager, Supplier<ProfilerFiller> supplier, boolean flag, boolean flag1, long i, org.bukkit.generator.ChunkGenerator gen, org.bukkit.generator.BiomeProvider biomeProvider, org.bukkit.World.Environment env, java.util.concurrent.Executor executor) { // Paper - Async-Anti-Xray - Pass executor
this.spigotConfig = new org.spigotmc.SpigotWorldConfig(((net.minecraft.world.level.storage.PrimaryLevelData) worlddatamutable).getLevelName()); // Spigot
this.paperConfig = new com.destroystokyo.paper.PaperWorldConfig(((net.minecraft.world.level.storage.PrimaryLevelData) worlddatamutable).getLevelName(), this.spigotConfig); // Paper
@@ -280,6 +322,7 @@ 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
@@ -990,26 +1033,7 @@ 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;
}
@@ -1018,27 +1042,22 @@ 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;
}
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 aa3217425a64fdd691f255dcc5529a29b8c2c86b..a0c66689c954823e7c20664594557dc26afbd246 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 {})", 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 155933ef7c324ea17c2349a1f73ede29169ec4f2..7a042de919fc8335455bc45f7749648ca2f00735 100644
--- a/src/main/java/org/bukkit/craftbukkit/CraftChunk.java
+++ b/src/main/java/org/bukkit/craftbukkit/CraftChunk.java
@@ -132,9 +132,7 @@ 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
@@ -170,9 +168,7 @@ 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 9ab8159975f58a0014edbe3a368490b3590882ea..4c6cbfbcb5a7876e6b556b59c54e9a4cedf7843e 100644
--- a/src/main/java/org/bukkit/craftbukkit/util/DummyGeneratorAccess.java
+++ b/src/main/java/org/bukkit/craftbukkit/util/DummyGeneratorAccess.java
@@ -258,4 +258,20 @@ 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 ec9907947b13ca3367c7ef5cb006bbabec3f2293..1732e753ea7748a66abecafb2136f93383f5ec4e 100644
--- a/src/main/java/org/spigotmc/ActivationRange.java
+++ b/src/main/java/org/spigotmc/ActivationRange.java
@@ -206,7 +206,13 @@ 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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