mirror of
https://github.com/PaperMC/Paper.git
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abba3d113b
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: bb813f6f SPIGOT-4605: Warn against hacking physics CraftBukkit Changes:2ced0233Don't handle sync packets for kicked playersd5e96882SPIGOT-4602: Cache reflection in decompile error workaround Spigot Changes: b0f4c22b SPIGOT-4605: Catch more physics problems
218 lines
8.3 KiB
Diff
218 lines
8.3 KiB
Diff
From f2e6a430e2bb0295c4e5a23223dbd20857d0c8a5 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 +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.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 3ca51a5c5..c29d7eeb0 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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@@ -122,6 +122,7 @@ 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/EnumCreatureType.java b/src/main/java/net/minecraft/server/EnumCreatureType.java
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index 79e52f7ba..42f6a6a93 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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@@ -16,6 +16,8 @@ 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 e62616552..bfbe4d3e3 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 db130852f..0866c6feb 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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@@ -45,7 +45,8 @@ 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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@@ -69,6 +70,7 @@ 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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@@ -139,8 +141,10 @@ 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 BlockPosition lastPhysicsProblem; // Spigot
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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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private org.spigotmc.TickLimiter tileLimiter;
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private int tileTickPosition;
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@@ -1122,6 +1126,7 @@ 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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2.20.1
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