b62dfa0bf9
Upstream has released updates that appears to apply and compile correctly. This update has not been tested by PaperMC and as with ANY update, please do your own testing Bukkit Changes: 39ce5d3a SPIGOT-4399: ItemMeta.equals broken with AttributeModifiers CraftBukkit Changes: 1cf8b5dc SPIGOT-4400: Populators running on existing chunks 116cb9a1 SPIGOT-4399: Add attribute modifier equality test 5ee1c18a SPIGOT-4398: Set ASM7_EXPERIMENTAL flag
227 lines
8.8 KiB
Diff
227 lines
8.8 KiB
Diff
From 80766964f2dee726b83d594c94362939f5628a7a Mon Sep 17 00:00:00 2001
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From: Colin Godsey <crgodsey@gmail.com>
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Date: Wed, 8 Aug 2018 10:10:06 -0600
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Subject: [PATCH] Cache World Entity Type counts
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Optimizes mob spawning by keeping a count of entities by type
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diff --git a/src/main/java/com/destroystokyo/paper/PaperWorldEntityList.java b/src/main/java/com/destroystokyo/paper/PaperWorldEntityList.java
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new file mode 100644
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index 0000000000..35104542c5
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--- /dev/null
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+++ b/src/main/java/com/destroystokyo/paper/PaperWorldEntityList.java
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@@ -0,0 +1,121 @@
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+package com.destroystokyo.paper;
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+
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+import net.minecraft.server.Entity;
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+import net.minecraft.server.EntityInsentient;
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+import net.minecraft.server.EnumCreatureType;
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+import net.minecraft.server.IAnimal;
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+import net.minecraft.server.MinecraftServer;
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+import net.minecraft.server.World;
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+import net.minecraft.server.WorldServer;
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+
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+import java.util.ArrayList;
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+import java.util.Collection;
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+
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+public class PaperWorldEntityList extends ArrayList<Entity> {
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+
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+ private final WorldServer world;
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+ private final int[] entityCounts = new int[EnumCreatureType.values().length];
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+
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+
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+ public PaperWorldEntityList(World world) {
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+ this.world = (WorldServer) world;
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+ }
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+
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+ @Override
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+ public boolean addAll(Collection<? extends Entity> c) {
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+ for (Entity e : c) {
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+ updateEntityCount(e, 1);
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+ }
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+
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+ return super.addAll(c);
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+ }
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+
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+ @Override
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+ public boolean removeAll(Collection<?> c) {
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+ for (Object e : c) {
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+ if (e instanceof Entity && ((Entity) e).getWorld() == world) {
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+ updateEntityCount((Entity) e, -1);
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+ }
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+ }
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+
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+ return super.removeAll(c);
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+ }
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+
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+ @Override
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+ public boolean add(Entity e) {
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+ updateEntityCount(e, 1);
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+
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+ return super.add(e);
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+ }
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+
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+ @Override
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+ public Entity remove(int index) {
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+ guard();
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+ Entity entity = super.remove(index);
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+ if (entity != null) updateEntityCount(entity, -1);
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+ return entity;
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+ }
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+
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+ @Override
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+ public boolean remove(Object o) {
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+ guard();
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+ if (super.remove(o)) {
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+ updateEntityCount((Entity) o, -1);
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+ return true;
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+ }
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+ return false;
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+ }
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+
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+ private void guard() {
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+ if (world.guardEntityList) {
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+ throw new java.util.ConcurrentModificationException();
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+ }
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+ }
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+
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+ public int getCreatureCount(EnumCreatureType type) {
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+ return entityCounts[type.ordinal()];
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+ }
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+
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+ private void updateEntityCount(EnumCreatureType type, int amt) {
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+ int count = entityCounts[type.ordinal()];
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+
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+ count += amt;
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+
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+ if (count < 0) {
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+ MinecraftServer.LOGGER.error("Paper - Entity count cache has gone negative");
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+ count = 0;
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+ }
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+
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+ entityCounts[type.ordinal()] = count;
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+ }
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+
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+ public void updateEntityCount(Entity entity, int amt) {
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+ if (!(entity instanceof IAnimal)) return;
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+
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+ if (entity instanceof EntityInsentient) {
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+ EntityInsentient entityinsentient = (EntityInsentient) entity;
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+ if (amt > 0 && entityinsentient.isDespawnableByDefault() && entityinsentient.isPersistent()) {
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+ return;
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+ }
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+ }
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+ if (amt < 0) {
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+ if (!entity.hasBeenCounted) {
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+ return;
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+ }
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+ // Only remove once, we remove from if the entity list is guarded, but may be called later
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+ entity.hasBeenCounted = false;
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+ } else {
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+ if (entity.hasBeenCounted) {
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+ return;
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+ }
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+ entity.hasBeenCounted = true;
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+ }
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+
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+ for (EnumCreatureType type : EnumCreatureType.values()) {
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+ if (type.matches(entity)) {
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+ updateEntityCount(type, amt);
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+ break;
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+ }
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+ }
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+ }
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+}
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diff --git a/src/main/java/net/minecraft/server/Entity.java b/src/main/java/net/minecraft/server/Entity.java
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index 1554530966..4007f1ebb7 100644
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--- a/src/main/java/net/minecraft/server/Entity.java
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+++ b/src/main/java/net/minecraft/server/Entity.java
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@@ -124,6 +124,7 @@ public abstract class Entity implements INamableTileEntity, ICommandListener, Ke
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private boolean az;
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public boolean dead;
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public boolean shouldBeRemoved; // Paper
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+ public boolean hasBeenCounted = false; // Paper
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public float width;
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public float length;
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public float J;
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diff --git a/src/main/java/net/minecraft/server/EntityInsentient.java b/src/main/java/net/minecraft/server/EntityInsentient.java
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index 141db48f16..56542d531a 100644
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--- a/src/main/java/net/minecraft/server/EntityInsentient.java
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+++ b/src/main/java/net/minecraft/server/EntityInsentient.java
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@@ -615,6 +615,7 @@ public abstract class EntityInsentient extends EntityLiving {
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return true;
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}
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+ public boolean isDespawnableByDefault() { return isTypeNotPersistent(); } // Paper - sortof an obf helper, too annoying to change visibility here
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protected boolean isTypeNotPersistent() {
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return true;
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}
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diff --git a/src/main/java/net/minecraft/server/EnumCreatureType.java b/src/main/java/net/minecraft/server/EnumCreatureType.java
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index 8874a05be5..0af387c059 100644
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--- a/src/main/java/net/minecraft/server/EnumCreatureType.java
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+++ b/src/main/java/net/minecraft/server/EnumCreatureType.java
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@@ -18,6 +18,8 @@ public enum EnumCreatureType {
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this.h = flag1;
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}
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+ public boolean matches(Entity entity) { return innerClass().isAssignableFrom(entity.getClass()); } // Paper
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+ public Class<? extends IAnimal> innerClass() { return this.a(); } // Paper - OBFHELPER
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public Class<? extends IAnimal> a() {
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return this.e;
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}
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diff --git a/src/main/java/net/minecraft/server/SpawnerCreature.java b/src/main/java/net/minecraft/server/SpawnerCreature.java
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index 95d98b65cf..387570ed67 100644
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--- a/src/main/java/net/minecraft/server/SpawnerCreature.java
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+++ b/src/main/java/net/minecraft/server/SpawnerCreature.java
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@@ -114,7 +114,7 @@ public final class SpawnerCreature {
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if ((!enumcreaturetype.c() || flag1) && (enumcreaturetype.c() || flag) && (!enumcreaturetype.d() || flag2)) {
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k = limit * i / SpawnerCreature.b; // CraftBukkit - use per-world limits
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- int l1 = worldserver.a(enumcreaturetype.a(), k);
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+ int l1 = worldserver.entityList.getCreatureCount(enumcreaturetype); // Paper - entity count cache
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if (l1 <= k) {
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BlockPosition.MutableBlockPosition blockposition_mutableblockposition = new BlockPosition.MutableBlockPosition();
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diff --git a/src/main/java/net/minecraft/server/World.java b/src/main/java/net/minecraft/server/World.java
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index 85570e4a5d..39175ea0ad 100644
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--- a/src/main/java/net/minecraft/server/World.java
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+++ b/src/main/java/net/minecraft/server/World.java
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@@ -50,7 +50,8 @@ public abstract class World implements IEntityAccess, GeneratorAccess, IIBlockAc
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private static final EnumDirection[] a = EnumDirection.values();
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private int b = 63;
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// Spigot start - guard entity list from removals
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- public final List<Entity> entityList = new java.util.ArrayList<Entity>()
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+ public final com.destroystokyo.paper.PaperWorldEntityList entityList = new com.destroystokyo.paper.PaperWorldEntityList(this);
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+ /* // Paper start
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{
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@Override
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public Entity remove(int index)
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@@ -74,6 +75,7 @@ public abstract class World implements IEntityAccess, GeneratorAccess, IIBlockAc
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}
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}
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};
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+ */ // Paper end
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// Spigot end
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protected final Set<Entity> g = com.google.common.collect.Sets.newHashSet(); public Set<Entity> getEntityUnloadQueue() { return g; };// Paper - OBFHELPER
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//public final List<TileEntity> tileEntityList = Lists.newArrayList(); // Paper - remove unused list
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@@ -143,7 +145,7 @@ public abstract class World implements IEntityAccess, GeneratorAccess, IIBlockAc
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public final com.destroystokyo.paper.PaperWorldConfig paperConfig; // Paper
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public final co.aikar.timings.WorldTimingsHandler timings; // Paper
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- private boolean guardEntityList; // Spigot
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+ public boolean guardEntityList; // Spigot // Paper - public
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public static boolean haveWeSilencedAPhysicsCrash;
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public static String blockLocation;
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private org.spigotmc.TickLimiter entityLimiter;
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@@ -1187,6 +1189,7 @@ public abstract class World implements IEntityAccess, GeneratorAccess, IIBlockAc
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this.getChunkAt(i, j).b(entity);
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}
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entity.shouldBeRemoved = true; // Paper
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+ entityList.updateEntityCount(entity, -1); // Paper
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if (!guardEntityList) { // Spigot - It will get removed after the tick if we are ticking // Paper - always remove from current chunk above
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// CraftBukkit start - Decrement loop variable field if we've already ticked this entity
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--
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2.19.0
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