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https://github.com/PaperMC/Paper.git
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84c81146c1
Portion of diff was dropped in the mappings update commit. Also remove the option to remove invalid statistics. The server will automatically do this now as of... 1.13?, our option wasn't even doing anything.
212 lines
8.1 KiB
Diff
212 lines
8.1 KiB
Diff
From 0000000000000000000000000000000000000000 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 000000000..a10a5bc13
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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 +0,0 @@
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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.isTypeNotPersistent() && 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 b284524be..80d384dfe 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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@@ -0,0 +0,0 @@ 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/EnumCreatureType.java b/src/main/java/net/minecraft/server/EnumCreatureType.java
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index 8874a05be..0af387c05 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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@@ -0,0 +0,0 @@ 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 72cd9ba58..35205561b 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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@@ -0,0 +0,0 @@ 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 72e74c59f..e8891d078 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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@@ -0,0 +0,0 @@ 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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@@ -0,0 +0,0 @@ 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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@@ -0,0 +0,0 @@ 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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@@ -0,0 +0,0 @@ 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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