* Updated Upstream (Bukkit/CraftBukkit) 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: 45690fe9 SPIGOT-5047: Correct slot types for 1.14 inventories CraftBukkit Changes: 4090d01f SPIGOT-5047: Correct slot types for 1.14 inventories e8c08362 SPIGOT-5046: World#getLoadedChunks returning inaccessible cached chunks. d445af3b SPIGOT-5067: Add item meta for 1.14 spawn eggs * Bring Chunk load checks in-line with spigot As of the last upstream merge spigot now checks ticket level status when returning loaded chunks for a world from api. Now our checks will respect that decision. * Fix spawn ticket levels Vanilla would keep the inner chunks of spawn available for ticking, however my changes made all chunks non-ticking. Resolve by changing ticket levels for spawn chunks inside the border to respect this behavior. * Make World#getChunkIfLoadedImmediately return only entity ticking chunks Mojang appears to be using chunks with level > 33 (non-ticking chunks) as cached chunks and not actually loaded chunks. * Bring all loaded checks in line with spigot Loaded chunks must be at least border chunks, or level <= 33
252 lines
9.1 KiB
Diff
252 lines
9.1 KiB
Diff
From d7908d24eb8910cbf988393f900080faeab0d823 Mon Sep 17 00:00:00 2001
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From: Aikar <aikar@aikar.co>
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Date: Mon, 17 Sep 2018 23:37:31 -0400
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Subject: [PATCH] Optimize Server World Map
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Minecraft moved worlds to a hashmap in 1.13.1.
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This creates inconsistent order for iteration of the map.
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This patch restores World management to be back as an Array.
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.values() will allow us to iterate as it was pre 1.13.1 by
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ArrayList, giving consistent ordering and effecient iteration performance.
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KeySet and EntrySet iteration is proxied to the List iterator,
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and should retain manipulation behavior but nothing should be doing that.
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Getting a World by dimension ID is now back a constant time operation.
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Hopefully no other plugins try to mess with this map, as we are only handling
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known NMS used methods, but we can add more if naughty plugins are found later.
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diff --git a/src/main/java/com/destroystokyo/paper/PaperWorldMap.java b/src/main/java/com/destroystokyo/paper/PaperWorldMap.java
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new file mode 100644
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index 0000000000..6bb2f98b45
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--- /dev/null
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+++ b/src/main/java/com/destroystokyo/paper/PaperWorldMap.java
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@@ -0,0 +1,191 @@
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+package com.destroystokyo.paper;
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+
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+import net.minecraft.server.DimensionManager;
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+import net.minecraft.server.WorldServer;
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+
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+import javax.annotation.Nonnull;
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+import java.util.AbstractSet;
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+import java.util.ArrayList;
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+import java.util.Collection;
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+import java.util.HashMap;
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+import java.util.Iterator;
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+import java.util.List;
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+import java.util.Map;
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+import java.util.Set;
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+
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+public class PaperWorldMap extends HashMap<DimensionManager, WorldServer> {
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+ private final List<WorldServer> worlds = new ArrayList<>();
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+ private final List<WorldServer> worldsIterable = new ArrayList<WorldServer>() {
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+ @Override
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+ public Iterator<WorldServer> iterator() {
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+ Iterator<WorldServer> iterator = super.iterator();
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+ return new Iterator<WorldServer>() {
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+ private WorldServer last;
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+
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+ @Override
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+ public boolean hasNext() {
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+ return iterator.hasNext();
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+ }
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+
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+ @Override
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+ public WorldServer next() {
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+ this.last = iterator.next();
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+ return last;
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+ }
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+
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+ @Override
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+ public void remove() {
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+ worlds.set(last.worldProvider.getDimensionManager().getDimensionID() + 1, null);
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+ }
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+ };
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+ }
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+ };
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+ @Override
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+ public int size() {
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+ return worldsIterable.size();
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+ }
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+
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+ @Override
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+ public boolean isEmpty() {
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+ return worldsIterable.isEmpty();
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+ }
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+
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+ @Override
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+ public WorldServer get(Object key) {
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+ // Will hit the below method
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+ return key instanceof DimensionManager ? get((DimensionManager) key) : null;
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+ }
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+
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+ public WorldServer get(DimensionManager key) {
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+ int id = key.getDimensionID()+1;
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+ return worlds.size() > id ? worlds.get(id) : null;
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+ }
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+
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+ @Override
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+ public boolean containsKey(Object key) {
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+ // will hit below method
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+ return key instanceof DimensionManager && containsKey((DimensionManager) key);
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+ }
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+ public boolean containsKey(DimensionManager key) {
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+ return get(key) != null;
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+ }
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+
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+ @Override
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+ public WorldServer put(DimensionManager key, WorldServer value) {
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+ while (worlds.size() <= key.getDimensionID()+1) {
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+ worlds.add(null);
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+ }
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+ WorldServer old = worlds.set(key.getDimensionID()+1, value);
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+ if (old != null) {
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+ worldsIterable.remove(old);
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+ }
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+ worldsIterable.add(value);
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+ return old;
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+ }
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+
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+ @Override
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+ public void putAll(Map<? extends DimensionManager, ? extends WorldServer> m) {
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+ for (Entry<? extends DimensionManager, ? extends WorldServer> e : m.entrySet()) {
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+ put(e.getKey(), e.getValue());
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+ }
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+ }
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+
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+ @Override
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+ public WorldServer remove(Object key) {
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+ return key instanceof DimensionManager ? remove((DimensionManager) key) : null;
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+ }
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+
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+ public WorldServer remove(DimensionManager key) {
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+ WorldServer old;
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+ if (key.getDimensionID()+1 == worlds.size() - 1) {
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+ old = worlds.remove(key.getDimensionID()+1);
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+ } else {
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+ old = worlds.set(key.getDimensionID() + 1, null);
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+ }
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+ if (old != null) {
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+ worldsIterable.remove(old);
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+ }
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+ return old;
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+ }
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+
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+ @Override
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+ public void clear() {
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+ throw new RuntimeException("What the hell are you doing?");
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+ }
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+
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+ @Override
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+ public boolean containsValue(Object value) {
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+ return value instanceof WorldServer && get(((WorldServer) value).worldProvider.getDimensionManager()) != null;
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+ }
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+
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+ @Nonnull
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+ @Override
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+ public Set<DimensionManager> keySet() {
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+ return new AbstractSet<DimensionManager>() {
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+ @Override
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+ public Iterator<DimensionManager> iterator() {
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+ Iterator<WorldServer> iterator = worldsIterable.iterator();
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+ return new Iterator<DimensionManager>() {
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+
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+ @Override
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+ public boolean hasNext() {
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+ return iterator.hasNext();
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+ }
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+
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+ @Override
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+ public DimensionManager next() {
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+ return iterator.next().worldProvider.getDimensionManager();
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+ }
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+
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+ @Override
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+ public void remove() {
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+ iterator.remove();
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+ }
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+ };
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+ }
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+
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+ @Override
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+ public int size() {
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+ return worlds.size();
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+ }
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+ };
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+ }
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+
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+ @Override
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+ public Collection<WorldServer> values() {
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+ return worldsIterable;
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+ }
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+
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+ @Override
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+ public Set<Entry<DimensionManager, WorldServer>> entrySet() {
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+ return new AbstractSet<Entry<DimensionManager, WorldServer>>() {
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+ @Override
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+ public Iterator<Entry<DimensionManager, WorldServer>> iterator() {
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+ Iterator<WorldServer> iterator = worldsIterable.iterator();
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+ return new Iterator<Entry<DimensionManager, WorldServer>>() {
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+
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+ @Override
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+ public boolean hasNext() {
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+ return iterator.hasNext();
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+ }
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+
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+ @Override
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+ public Entry<DimensionManager, WorldServer> next() {
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+ WorldServer entry = iterator.next();
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+ return new SimpleEntry<>(entry.worldProvider.getDimensionManager(), entry);
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+ }
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+
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+ @Override
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+ public void remove() {
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+ iterator.remove();
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+ }
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+ };
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+ }
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+
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+ @Override
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+ public int size() {
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+ return worldsIterable.size();
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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/MinecraftServer.java b/src/main/java/net/minecraft/server/MinecraftServer.java
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index 74cdf4945f..2bd1e73702 100644
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--- a/src/main/java/net/minecraft/server/MinecraftServer.java
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+++ b/src/main/java/net/minecraft/server/MinecraftServer.java
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@@ -78,7 +78,7 @@ public abstract class MinecraftServer extends IAsyncTaskHandlerReentrant<TickTas
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public final DataFixer dataConverterManager;
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private String serverIp;
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private int serverPort = -1;
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- public final Map<DimensionManager, WorldServer> worldServer = Maps.newLinkedHashMap(); // CraftBukkit - keep order, k+v already use identity methods
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+ public final Map<DimensionManager, WorldServer> worldServer = new com.destroystokyo.paper.PaperWorldMap(); // Paper;
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private PlayerList playerList;
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private volatile boolean isRunning = true;
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private volatile boolean isRestarting = false; // Paper - flag to signify we're attempting to restart
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@@ -442,7 +442,7 @@ public abstract class MinecraftServer extends IAsyncTaskHandlerReentrant<TickTas
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}
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}
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this.a(this.getDifficulty(), true);
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- for (WorldServer worldserver : this.getWorlds()) {
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+ for (WorldServer worldserver : com.google.common.collect.Lists.newArrayList(this.getWorlds())) { // Paper - avoid como if 1 world triggers another world
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this.loadSpawn(worldserver.getChunkProvider().playerChunkMap.worldLoadListener, worldserver);
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this.server.getPluginManager().callEvent(new org.bukkit.event.world.WorldLoadEvent(worldserver.getWorld()));
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}
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@@ -590,7 +590,6 @@ public abstract class MinecraftServer extends IAsyncTaskHandlerReentrant<TickTas
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// this.nextTick = SystemUtils.getMonotonicMillis() + 10L;
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this.executeModerately();
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// Iterator iterator = DimensionManager.a().iterator();
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-
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if (true) {
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DimensionManager dimensionmanager = worldserver.worldProvider.getDimensionManager();
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ForcedChunk forcedchunk = (ForcedChunk) worldserver.getWorldPersistentData().b(ForcedChunk::new, "chunks");
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--
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2.21.0
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