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papermc/Spigot-Server-Patches/0004-MC-Utils.patch
Prof-Bloodstone 42433c2626
Updated Upstream (Bukkit/CraftBukkit) (#3980) 
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:
09f10fd9 SPIGOT-5950: Add PrepareSmithingEvent event

CraftBukkit Changes:
7c03d257 SPIGOT-6011: End Gateways do not work on Non-Main End Worlds
d492e363 SPIGOT-6015: Small Armor Stand doesn't drop items
5db13eea SPIGOT-5950: Add PrepareSmithingEvent event
2020-07-22 19:35:44 -04:00

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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Mon, 28 Mar 2016 20:55:47 -0400
Subject: [PATCH] MC Utils
diff --git a/src/main/java/com/destroystokyo/paper/util/concurrent/WeakSeqLock.java b/src/main/java/com/destroystokyo/paper/util/concurrent/WeakSeqLock.java
new file mode 100644
index 0000000000000000000000000000000000000000..4029dc68cf35d63aa70c4a76c35bf65a7fc6358f
--- /dev/null
+++ b/src/main/java/com/destroystokyo/paper/util/concurrent/WeakSeqLock.java
@@ -0,0 +1,68 @@
+package com.destroystokyo.paper.util.concurrent;
+
+import java.util.concurrent.atomic.AtomicLong;
+
+/**
+ * copied from https://github.com/Spottedleaf/ConcurrentUtil/blob/master/src/main/java/ca/spottedleaf/concurrentutil/lock/WeakSeqLock.java
+ * @author Spottedleaf
+ */
+public final class WeakSeqLock {
+ // TODO when the switch to J11 is made, nuke this class from orbit
+
+ protected final AtomicLong lock = new AtomicLong();
+
+ public WeakSeqLock() {
+ //VarHandle.storeStoreFence(); // warn: usages must be checked to ensure this behaviour isn't needed
+ }
+
+ public void acquireWrite() {
+ // must be release-type write
+ this.lock.lazySet(this.lock.get() + 1);
+ }
+
+ public boolean canRead(final long read) {
+ return (read & 1) == 0;
+ }
+
+ public boolean tryAcquireWrite() {
+ this.acquireWrite();
+ return true;
+ }
+
+ public void releaseWrite() {
+ // must be acquire-type write
+ final long lock = this.lock.get(); // volatile here acts as store-store
+ this.lock.lazySet(lock + 1);
+ }
+
+ public void abortWrite() {
+ // must be acquire-type write
+ final long lock = this.lock.get(); // volatile here acts as store-store
+ this.lock.lazySet(lock ^ 1);
+ }
+
+ public long acquireRead() {
+ int failures = 0;
+ long curr;
+
+ for (curr = this.lock.get(); !this.canRead(curr); curr = this.lock.get()) {
+ // without j11, our only backoff is the yield() call...
+
+ if (++failures > 5_000) { /* TODO determine a threshold */
+ Thread.yield();
+ }
+ /* Better waiting is beyond the scope of this lock; if it is needed the lock is being misused */
+ }
+
+ //VarHandle.loadLoadFence(); // volatile acts as the load-load barrier
+ return curr;
+ }
+
+ public boolean tryReleaseRead(final long read) {
+ return this.lock.get() == read; // volatile acts as the load-load barrier
+ }
+
+ public long getSequentialCounter() {
+ return this.lock.get();
+ }
+}
diff --git a/src/main/java/com/destroystokyo/paper/util/map/QueuedChangesMapLong2Int.java b/src/main/java/com/destroystokyo/paper/util/map/QueuedChangesMapLong2Int.java
new file mode 100644
index 0000000000000000000000000000000000000000..59868f37d14bbc0ece0836095cdad148778995e6
--- /dev/null
+++ b/src/main/java/com/destroystokyo/paper/util/map/QueuedChangesMapLong2Int.java
@@ -0,0 +1,162 @@
+package com.destroystokyo.paper.util.map;
+
+import com.destroystokyo.paper.util.concurrent.WeakSeqLock;
+import it.unimi.dsi.fastutil.longs.Long2IntMap;
+import it.unimi.dsi.fastutil.longs.Long2IntOpenHashMap;
+import it.unimi.dsi.fastutil.longs.LongIterator;
+import it.unimi.dsi.fastutil.longs.LongOpenHashSet;
+import it.unimi.dsi.fastutil.objects.ObjectIterator;
+
+/**
+ * @author Spottedleaf
+ */
+public class QueuedChangesMapLong2Int {
+
+ protected final Long2IntOpenHashMap updatingMap;
+ protected final Long2IntOpenHashMap visibleMap;
+ protected final Long2IntOpenHashMap queuedPuts;
+ protected final LongOpenHashSet queuedRemove;
+
+ protected int queuedDefaultReturnValue;
+
+ // we use a seqlock as writes are not common.
+ protected final WeakSeqLock updatingMapSeqLock = new WeakSeqLock();
+
+ public QueuedChangesMapLong2Int() {
+ this(16, 0.75f);
+ }
+
+ public QueuedChangesMapLong2Int(final int capacity, final float loadFactor) {
+ this.updatingMap = new Long2IntOpenHashMap(capacity, loadFactor);
+ this.visibleMap = new Long2IntOpenHashMap(capacity, loadFactor);
+ this.queuedPuts = new Long2IntOpenHashMap();
+ this.queuedRemove = new LongOpenHashSet();
+ }
+
+ public void queueDefaultReturnValue(final int dfl) {
+ this.queuedDefaultReturnValue = dfl;
+ this.updatingMap.defaultReturnValue(dfl);
+ }
+
+ public int queueUpdate(final long k, final int v) {
+ this.queuedRemove.remove(k);
+ this.queuedPuts.put(k, v);
+
+ return this.updatingMap.put(k, v);
+ }
+
+ public int queueRemove(final long k) {
+ this.queuedPuts.remove(k);
+ this.queuedRemove.add(k);
+
+ return this.updatingMap.remove(k);
+ }
+
+ public int getUpdating(final long k) {
+ return this.updatingMap.get(k);
+ }
+
+ public int getVisible(final long k) {
+ return this.visibleMap.get(k);
+ }
+
+ public int getVisibleAsync(final long k) {
+ long readlock;
+ int ret = 0;
+
+ do {
+ readlock = this.updatingMapSeqLock.acquireRead();
+ try {
+ ret = this.visibleMap.get(k);
+ } catch (final Throwable thr) {
+ if (thr instanceof ThreadDeath) {
+ throw (ThreadDeath)thr;
+ }
+ // ignore...
+ continue;
+ }
+
+ } while (!this.updatingMapSeqLock.tryReleaseRead(readlock));
+
+ return ret;
+ }
+
+ public boolean performUpdates() {
+ this.updatingMapSeqLock.acquireWrite();
+ this.visibleMap.defaultReturnValue(this.queuedDefaultReturnValue);
+ this.updatingMapSeqLock.releaseWrite();
+
+ if (this.queuedPuts.isEmpty() && this.queuedRemove.isEmpty()) {
+ return false;
+ }
+
+ // update puts
+ final ObjectIterator<Long2IntMap.Entry> iterator0 = this.queuedPuts.long2IntEntrySet().fastIterator();
+ while (iterator0.hasNext()) {
+ final Long2IntMap.Entry entry = iterator0.next();
+ final long key = entry.getLongKey();
+ final int val = entry.getIntValue();
+
+ this.updatingMapSeqLock.acquireWrite();
+ try {
+ this.visibleMap.put(key, val);
+ } finally {
+ this.updatingMapSeqLock.releaseWrite();
+ }
+ }
+
+ this.queuedPuts.clear();
+
+ final LongIterator iterator1 = this.queuedRemove.iterator();
+ while (iterator1.hasNext()) {
+ final long key = iterator1.nextLong();
+
+ this.updatingMapSeqLock.acquireWrite();
+ try {
+ this.visibleMap.remove(key);
+ } finally {
+ this.updatingMapSeqLock.releaseWrite();
+ }
+ }
+
+ this.queuedRemove.clear();
+
+ return true;
+ }
+
+ public boolean performUpdatesLockMap() {
+ this.updatingMapSeqLock.acquireWrite();
+ try {
+ this.visibleMap.defaultReturnValue(this.queuedDefaultReturnValue);
+
+ if (this.queuedPuts.isEmpty() && this.queuedRemove.isEmpty()) {
+ return false;
+ }
+
+ // update puts
+ final ObjectIterator<Long2IntMap.Entry> iterator0 = this.queuedPuts.long2IntEntrySet().fastIterator();
+ while (iterator0.hasNext()) {
+ final Long2IntMap.Entry entry = iterator0.next();
+ final long key = entry.getLongKey();
+ final int val = entry.getIntValue();
+
+ this.visibleMap.put(key, val);
+ }
+
+ this.queuedPuts.clear();
+
+ final LongIterator iterator1 = this.queuedRemove.iterator();
+ while (iterator1.hasNext()) {
+ final long key = iterator1.nextLong();
+
+ this.visibleMap.remove(key);
+ }
+
+ this.queuedRemove.clear();
+
+ return true;
+ } finally {
+ this.updatingMapSeqLock.releaseWrite();
+ }
+ }
+}
diff --git a/src/main/java/com/destroystokyo/paper/util/map/QueuedChangesMapLong2Object.java b/src/main/java/com/destroystokyo/paper/util/map/QueuedChangesMapLong2Object.java
new file mode 100644
index 0000000000000000000000000000000000000000..7bab31a312463cc963d9621cdc543a281459bd32
--- /dev/null
+++ b/src/main/java/com/destroystokyo/paper/util/map/QueuedChangesMapLong2Object.java
@@ -0,0 +1,202 @@
+package com.destroystokyo.paper.util.map;
+
+import com.destroystokyo.paper.util.concurrent.WeakSeqLock;
+import it.unimi.dsi.fastutil.longs.Long2ObjectLinkedOpenHashMap;
+import it.unimi.dsi.fastutil.longs.Long2ObjectMap;
+import it.unimi.dsi.fastutil.objects.ObjectBidirectionalIterator;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.List;
+
+/**
+ * @author Spottedleaf
+ */
+public class QueuedChangesMapLong2Object<V> {
+
+ protected static final Object REMOVED = new Object();
+
+ protected final Long2ObjectLinkedOpenHashMap<V> updatingMap;
+ protected final Long2ObjectLinkedOpenHashMap<V> visibleMap;
+ protected final Long2ObjectLinkedOpenHashMap<Object> queuedChanges;
+
+ // we use a seqlock as writes are not common.
+ protected final WeakSeqLock updatingMapSeqLock = new WeakSeqLock();
+
+ public QueuedChangesMapLong2Object() {
+ this(16, 0.75f); // dfl for fastutil
+ }
+
+ public QueuedChangesMapLong2Object(final int capacity, final float loadFactor) {
+ this.updatingMap = new Long2ObjectLinkedOpenHashMap<>(capacity, loadFactor);
+ this.visibleMap = new Long2ObjectLinkedOpenHashMap<>(capacity, loadFactor);
+ this.queuedChanges = new Long2ObjectLinkedOpenHashMap<>();
+ }
+
+ public V queueUpdate(final long k, final V value) {
+ this.queuedChanges.put(k, value);
+ return this.updatingMap.put(k, value);
+ }
+
+ public V queueRemove(final long k) {
+ this.queuedChanges.put(k, REMOVED);
+ return this.updatingMap.remove(k);
+ }
+
+ public V getUpdating(final long k) {
+ return this.updatingMap.get(k);
+ }
+
+ public boolean updatingContainsKey(final long k) {
+ return this.updatingMap.containsKey(k);
+ }
+
+ public V getVisible(final long k) {
+ return this.visibleMap.get(k);
+ }
+
+ public boolean visibleContainsKey(final long k) {
+ return this.visibleMap.containsKey(k);
+ }
+
+ public V getVisibleAsync(final long k) {
+ long readlock;
+ V ret = null;
+
+ do {
+ readlock = this.updatingMapSeqLock.acquireRead();
+
+ try {
+ ret = this.visibleMap.get(k);
+ } catch (final Throwable thr) {
+ if (thr instanceof ThreadDeath) {
+ throw (ThreadDeath)thr;
+ }
+ // ignore...
+ continue;
+ }
+
+ } while (!this.updatingMapSeqLock.tryReleaseRead(readlock));
+
+ return ret;
+ }
+
+ public boolean visibleContainsKeyAsync(final long k) {
+ long readlock;
+ boolean ret = false;
+
+ do {
+ readlock = this.updatingMapSeqLock.acquireRead();
+
+ try {
+ ret = this.visibleMap.containsKey(k);
+ } catch (final Throwable thr) {
+ if (thr instanceof ThreadDeath) {
+ throw (ThreadDeath)thr;
+ }
+ // ignore...
+ continue;
+ }
+
+ } while (!this.updatingMapSeqLock.tryReleaseRead(readlock));
+
+ return ret;
+ }
+
+ public Long2ObjectLinkedOpenHashMap<V> getVisibleMap() {
+ return this.visibleMap;
+ }
+
+ public Long2ObjectLinkedOpenHashMap<V> getUpdatingMap() {
+ return this.updatingMap;
+ }
+
+ public int getVisibleSize() {
+ return this.visibleMap.size();
+ }
+
+ public int getVisibleSizeAsync() {
+ long readlock;
+ int ret;
+
+ do {
+ readlock = this.updatingMapSeqLock.acquireRead();
+ ret = this.visibleMap.size();
+ } while (!this.updatingMapSeqLock.tryReleaseRead(readlock));
+
+ return ret;
+ }
+
+ // unlike mojang's impl this cannot be used async since it's not a view of an immutable map
+ public Collection<V> getUpdatingValues() {
+ return this.updatingMap.values();
+ }
+
+ public List<V> getUpdatingValuesCopy() {
+ return new ArrayList<>(this.updatingMap.values());
+ }
+
+ // unlike mojang's impl this cannot be used async since it's not a view of an immutable map
+ public Collection<V> getVisibleValues() {
+ return this.visibleMap.values();
+ }
+
+ public List<V> getVisibleValuesCopy() {
+ return new ArrayList<>(this.visibleMap.values());
+ }
+
+ public boolean performUpdates() {
+ if (this.queuedChanges.isEmpty()) {
+ return false;
+ }
+
+ final ObjectBidirectionalIterator<Long2ObjectMap.Entry<Object>> iterator = this.queuedChanges.long2ObjectEntrySet().fastIterator();
+ while (iterator.hasNext()) {
+ final Long2ObjectMap.Entry<Object> entry = iterator.next();
+ final long key = entry.getLongKey();
+ final Object val = entry.getValue();
+
+ this.updatingMapSeqLock.acquireWrite();
+ try {
+ if (val == REMOVED) {
+ this.visibleMap.remove(key);
+ } else {
+ this.visibleMap.put(key, (V)val);
+ }
+ } finally {
+ this.updatingMapSeqLock.releaseWrite();
+ }
+ }
+
+ this.queuedChanges.clear();
+ return true;
+ }
+
+ public boolean performUpdatesLockMap() {
+ if (this.queuedChanges.isEmpty()) {
+ return false;
+ }
+
+ final ObjectBidirectionalIterator<Long2ObjectMap.Entry<Object>> iterator = this.queuedChanges.long2ObjectEntrySet().fastIterator();
+
+ try {
+ this.updatingMapSeqLock.acquireWrite();
+
+ while (iterator.hasNext()) {
+ final Long2ObjectMap.Entry<Object> entry = iterator.next();
+ final long key = entry.getLongKey();
+ final Object val = entry.getValue();
+
+ if (val == REMOVED) {
+ this.visibleMap.remove(key);
+ } else {
+ this.visibleMap.put(key, (V)val);
+ }
+ }
+ } finally {
+ this.updatingMapSeqLock.releaseWrite();
+ }
+
+ this.queuedChanges.clear();
+ return true;
+ }
+}
diff --git a/src/main/java/com/destroystokyo/paper/util/maplist/ChunkList.java b/src/main/java/com/destroystokyo/paper/util/maplist/ChunkList.java
new file mode 100644
index 0000000000000000000000000000000000000000..4eac0577862450e0e3299f5579f9ff6759b0256d
--- /dev/null
+++ b/src/main/java/com/destroystokyo/paper/util/maplist/ChunkList.java
@@ -0,0 +1,129 @@
+package com.destroystokyo.paper.util.maplist;
+
+import it.unimi.dsi.fastutil.longs.Long2IntOpenHashMap;
+import net.minecraft.server.Chunk;
+import net.minecraft.server.MCUtil;
+import java.util.Arrays;
+import java.util.Iterator;
+import java.util.NoSuchElementException;
+
+// list with O(1) remove & contains
+/**
+ * @author Spottedleaf
+ */
+public final class ChunkList implements Iterable<Chunk> {
+
+ protected final Long2IntOpenHashMap chunkToIndex = new Long2IntOpenHashMap(2, 0.8f);
+ {
+ this.chunkToIndex.defaultReturnValue(Integer.MIN_VALUE);
+ }
+
+ protected static final Chunk[] EMPTY_LIST = new Chunk[0];
+
+ protected Chunk[] chunks = EMPTY_LIST;
+ protected int count;
+
+ public int size() {
+ return this.count;
+ }
+
+ public boolean contains(final Chunk chunk) {
+ return this.chunkToIndex.containsKey(chunk.coordinateKey);
+ }
+
+ public boolean remove(final Chunk chunk) {
+ final int index = this.chunkToIndex.remove(chunk.coordinateKey);
+ if (index == Integer.MIN_VALUE) {
+ return false;
+ }
+
+ // move the entity at the end to this index
+ final int endIndex = --this.count;
+ final Chunk end = this.chunks[endIndex];
+ if (index != endIndex) {
+ // not empty after this call
+ this.chunkToIndex.put(end.coordinateKey, index); // update index
+ }
+ this.chunks[index] = end;
+ this.chunks[endIndex] = null;
+
+ return true;
+ }
+
+ public boolean add(final Chunk chunk) {
+ final int count = this.count;
+ final int currIndex = this.chunkToIndex.putIfAbsent(chunk.coordinateKey, count);
+
+ if (currIndex != Integer.MIN_VALUE) {
+ return false; // already in this list
+ }
+
+ Chunk[] list = this.chunks;
+
+ if (list.length == count) {
+ // resize required
+ list = this.chunks = Arrays.copyOf(list, (int)Math.max(4L, count * 2L)); // overflow results in negative
+ }
+
+ list[count] = chunk;
+ this.count = count + 1;
+
+ return true;
+ }
+
+ public Chunk getChecked(final int index) {
+ if (index < 0 || index >= this.count) {
+ throw new IndexOutOfBoundsException("Index: " + index + " is out of bounds, size: " + this.count);
+ }
+ return this.chunks[index];
+ }
+
+ public Chunk getUnchecked(final int index) {
+ return this.chunks[index];
+ }
+
+ public Chunk[] getRawData() {
+ return this.chunks;
+ }
+
+ public void clear() {
+ this.chunkToIndex.clear();
+ Arrays.fill(this.chunks, 0, this.count, null);
+ this.count = 0;
+ }
+
+ @Override
+ public Iterator<Chunk> iterator() {
+ return new Iterator<Chunk>() {
+
+ Chunk lastRet;
+ int current;
+
+ @Override
+ public boolean hasNext() {
+ return this.current < ChunkList.this.count;
+ }
+
+ @Override
+ public Chunk next() {
+ if (this.current >= ChunkList.this.count) {
+ throw new NoSuchElementException();
+ }
+ return this.lastRet = ChunkList.this.chunks[this.current++];
+ }
+
+ @Override
+ public void remove() {
+ final Chunk lastRet = this.lastRet;
+
+ if (lastRet == null) {
+ throw new IllegalStateException();
+ }
+ this.lastRet = null;
+
+ ChunkList.this.remove(lastRet);
+ --this.current;
+ }
+ };
+ }
+}
diff --git a/src/main/java/com/destroystokyo/paper/util/maplist/EntityList.java b/src/main/java/com/destroystokyo/paper/util/maplist/EntityList.java
new file mode 100644
index 0000000000000000000000000000000000000000..cdda74564ced196ae577a64782236c2bfe36e433
--- /dev/null
+++ b/src/main/java/com/destroystokyo/paper/util/maplist/EntityList.java
@@ -0,0 +1,128 @@
+package com.destroystokyo.paper.util.maplist;
+
+import it.unimi.dsi.fastutil.ints.Int2IntOpenHashMap;
+import net.minecraft.server.Entity;
+import java.util.Arrays;
+import java.util.Iterator;
+import java.util.NoSuchElementException;
+
+// list with O(1) remove & contains
+/**
+ * @author Spottedleaf
+ */
+public final class EntityList implements Iterable<Entity> {
+
+ protected final Int2IntOpenHashMap entityToIndex = new Int2IntOpenHashMap(2, 0.8f);
+ {
+ this.entityToIndex.defaultReturnValue(Integer.MIN_VALUE);
+ }
+
+ protected static final Entity[] EMPTY_LIST = new Entity[0];
+
+ protected Entity[] entities = EMPTY_LIST;
+ protected int count;
+
+ public int size() {
+ return this.count;
+ }
+
+ public boolean contains(final Entity entity) {
+ return this.entityToIndex.containsKey(entity.getId());
+ }
+
+ public boolean remove(final Entity entity) {
+ final int index = this.entityToIndex.remove(entity.getId());
+ if (index == Integer.MIN_VALUE) {
+ return false;
+ }
+
+ // move the entity at the end to this index
+ final int endIndex = --this.count;
+ final Entity end = this.entities[endIndex];
+ if (index != endIndex) {
+ // not empty after this call
+ this.entityToIndex.put(end.getId(), index); // update index
+ }
+ this.entities[index] = end;
+ this.entities[endIndex] = null;
+
+ return true;
+ }
+
+ public boolean add(final Entity entity) {
+ final int count = this.count;
+ final int currIndex = this.entityToIndex.putIfAbsent(entity.getId(), count);
+
+ if (currIndex != Integer.MIN_VALUE) {
+ return false; // already in this list
+ }
+
+ Entity[] list = this.entities;
+
+ if (list.length == count) {
+ // resize required
+ list = this.entities = Arrays.copyOf(list, (int)Math.max(4L, count * 2L)); // overflow results in negative
+ }
+
+ list[count] = entity;
+ this.count = count + 1;
+
+ return true;
+ }
+
+ public Entity getChecked(final int index) {
+ if (index < 0 || index >= this.count) {
+ throw new IndexOutOfBoundsException("Index: " + index + " is out of bounds, size: " + this.count);
+ }
+ return this.entities[index];
+ }
+
+ public Entity getUnchecked(final int index) {
+ return this.entities[index];
+ }
+
+ public Entity[] getRawData() {
+ return this.entities;
+ }
+
+ public void clear() {
+ this.entityToIndex.clear();
+ Arrays.fill(this.entities, 0, this.count, null);
+ this.count = 0;
+ }
+
+ @Override
+ public Iterator<Entity> iterator() {
+ return new Iterator<Entity>() {
+
+ Entity lastRet;
+ int current;
+
+ @Override
+ public boolean hasNext() {
+ return this.current < EntityList.this.count;
+ }
+
+ @Override
+ public Entity next() {
+ if (this.current >= EntityList.this.count) {
+ throw new NoSuchElementException();
+ }
+ return this.lastRet = EntityList.this.entities[this.current++];
+ }
+
+ @Override
+ public void remove() {
+ final Entity lastRet = this.lastRet;
+
+ if (lastRet == null) {
+ throw new IllegalStateException();
+ }
+ this.lastRet = null;
+
+ EntityList.this.remove(lastRet);
+ --this.current;
+ }
+ };
+ }
+}
diff --git a/src/main/java/com/destroystokyo/paper/util/maplist/IBlockDataList.java b/src/main/java/com/destroystokyo/paper/util/maplist/IBlockDataList.java
new file mode 100644
index 0000000000000000000000000000000000000000..84ef8d9ecab4745a90504718f803110b9e2dbf65
--- /dev/null
+++ b/src/main/java/com/destroystokyo/paper/util/maplist/IBlockDataList.java
@@ -0,0 +1,128 @@
+package com.destroystokyo.paper.util.maplist;
+
+import it.unimi.dsi.fastutil.longs.LongIterator;
+import it.unimi.dsi.fastutil.shorts.Short2LongOpenHashMap;
+import net.minecraft.server.ChunkSection;
+import net.minecraft.server.DataPaletteGlobal;
+import net.minecraft.server.IBlockData;
+import java.util.Arrays;
+
+/**
+ * @author Spottedleaf
+ */
+public final class IBlockDataList {
+
+ static final DataPaletteGlobal<IBlockData> GLOBAL_PALETTE = (DataPaletteGlobal)ChunkSection.GLOBAL_PALETTE;
+
+ // map of location -> (index | (location << 16) | (palette id << 32))
+ private final Short2LongOpenHashMap map = new Short2LongOpenHashMap(2, 0.8f);
+ {
+ this.map.defaultReturnValue(Long.MAX_VALUE);
+ }
+
+ private static final long[] EMPTY_LIST = new long[0];
+
+ private long[] byIndex = EMPTY_LIST;
+ private int size;
+
+ public static int getLocationKey(final int x, final int y, final int z) {
+ return (x & 15) | (((z & 15) << 4)) | ((y & 255) << (4 + 4));
+ }
+
+ public static IBlockData getBlockDataFromRaw(final long raw) {
+ return GLOBAL_PALETTE.getObject((int)(raw >>> 32));
+ }
+
+ public static int getIndexFromRaw(final long raw) {
+ return (int)(raw & 0xFFFF);
+ }
+
+ public static int getLocationFromRaw(final long raw) {
+ return (int)((raw >>> 16) & 0xFFFF);
+ }
+
+ public static long getRawFromValues(final int index, final int location, final IBlockData data) {
+ return (long)index | ((long)location << 16) | (((long)GLOBAL_PALETTE.getOrCreateIdFor(data)) << 32);
+ }
+
+ public static long setIndexRawValues(final long value, final int index) {
+ return value & ~(0xFFFF) | (index);
+ }
+
+ public long add(final int x, final int y, final int z, final IBlockData data) {
+ return this.add(getLocationKey(x, y, z), data);
+ }
+
+ public long add(final int location, final IBlockData data) {
+ final long curr = this.map.get((short)location);
+
+ if (curr == Long.MAX_VALUE) {
+ final int index = this.size++;
+ final long raw = getRawFromValues(index, location, data);
+ this.map.put((short)location, raw);
+
+ if (index >= this.byIndex.length) {
+ this.byIndex = Arrays.copyOf(this.byIndex, (int)Math.max(4L, this.byIndex.length * 2L));
+ }
+
+ this.byIndex[index] = raw;
+ return raw;
+ } else {
+ final int index = getIndexFromRaw(curr);
+ final long raw = this.byIndex[index] = getRawFromValues(index, location, data);
+
+ this.map.put((short)location, raw);
+
+ return raw;
+ }
+ }
+
+ public long remove(final int x, final int y, final int z) {
+ return this.remove(getLocationKey(x, y, z));
+ }
+
+ public long remove(final int location) {
+ final long ret = this.map.remove((short)location);
+ final int index = getIndexFromRaw(ret);
+ if (ret == Long.MAX_VALUE) {
+ return ret;
+ }
+
+ // move the entry at the end to this index
+ final int endIndex = --this.size;
+ final long end = this.byIndex[endIndex];
+ if (index != endIndex) {
+ // not empty after this call
+ this.map.put((short)getLocationFromRaw(end), setIndexRawValues(end, index));
+ }
+ this.byIndex[index] = end;
+ this.byIndex[endIndex] = 0L;
+
+ return ret;
+ }
+
+ public int size() {
+ return this.size;
+ }
+
+ public long getRaw(final int index) {
+ return this.byIndex[index];
+ }
+
+ public int getLocation(final int index) {
+ return getLocationFromRaw(this.getRaw(index));
+ }
+
+ public IBlockData getData(final int index) {
+ return getBlockDataFromRaw(this.getRaw(index));
+ }
+
+ public void clear() {
+ this.size = 0;
+ this.map.clear();
+ }
+
+ public LongIterator getRawIterator() {
+ return this.map.values().iterator();
+ }
+}
diff --git a/src/main/java/com/destroystokyo/paper/util/math/IntegerUtil.java b/src/main/java/com/destroystokyo/paper/util/math/IntegerUtil.java
new file mode 100644
index 0000000000000000000000000000000000000000..c3b936f54b3fff418c265639ef223292ccc89356
--- /dev/null
+++ b/src/main/java/com/destroystokyo/paper/util/math/IntegerUtil.java
@@ -0,0 +1,230 @@
+package com.destroystokyo.paper.util.math;
+
+/**
+ * @author Spottedleaf <Spottedleaf@users.noreply.github.com>
+ */
+public final class IntegerUtil {
+
+ public static final int HIGH_BIT_U32 = Integer.MIN_VALUE;
+ public static final long HIGH_BIT_U64 = Long.MIN_VALUE;
+
+ public static int ceilLog2(final int value) {
+ return Integer.SIZE - Integer.numberOfLeadingZeros(value - 1); // see doc of numberOfLeadingZeros
+ }
+
+ public static long ceilLog2(final long value) {
+ return Long.SIZE - Long.numberOfLeadingZeros(value - 1); // see doc of numberOfLeadingZeros
+ }
+
+ public static int floorLog2(final int value) {
+ // xor is optimized subtract for 2^n -1
+ // note that (2^n -1) - k = (2^n -1) ^ k for k <= (2^n - 1)
+ return (Integer.SIZE - 1) ^ Integer.numberOfLeadingZeros(value); // see doc of numberOfLeadingZeros
+ }
+
+ public static int floorLog2(final long value) {
+ // xor is optimized subtract for 2^n -1
+ // note that (2^n -1) - k = (2^n -1) ^ k for k <= (2^n - 1)
+ return (Long.SIZE - 1) ^ Long.numberOfLeadingZeros(value); // see doc of numberOfLeadingZeros
+ }
+
+ public static int roundCeilLog2(final int value) {
+ // optimized variant of 1 << (32 - leading(val - 1))
+ // given
+ // 1 << n = HIGH_BIT_32 >>> (31 - n) for n [0, 32)
+ // 1 << (32 - leading(val - 1)) = HIGH_BIT_32 >>> (31 - (32 - leading(val - 1)))
+ // HIGH_BIT_32 >>> (31 - (32 - leading(val - 1)))
+ // HIGH_BIT_32 >>> (31 - 32 + leading(val - 1))
+ // HIGH_BIT_32 >>> (-1 + leading(val - 1))
+ return HIGH_BIT_U32 >>> (Integer.numberOfLeadingZeros(value - 1) - 1);
+ }
+
+ public static long roundCeilLog2(final long value) {
+ // see logic documented above
+ return HIGH_BIT_U64 >>> (Long.numberOfLeadingZeros(value - 1) - 1);
+ }
+
+ public static int roundFloorLog2(final int value) {
+ // optimized variant of 1 << (31 - leading(val))
+ // given
+ // 1 << n = HIGH_BIT_32 >>> (31 - n) for n [0, 32)
+ // 1 << (31 - leading(val)) = HIGH_BIT_32 >> (31 - (31 - leading(val)))
+ // HIGH_BIT_32 >> (31 - (31 - leading(val)))
+ // HIGH_BIT_32 >> (31 - 31 + leading(val))
+ return HIGH_BIT_U32 >>> Integer.numberOfLeadingZeros(value);
+ }
+
+ public static long roundFloorLog2(final long value) {
+ // see logic documented above
+ return HIGH_BIT_U64 >>> Long.numberOfLeadingZeros(value);
+ }
+
+ public static boolean isPowerOfTwo(final int n) {
+ // 2^n has one bit
+ // note: this rets true for 0 still
+ return IntegerUtil.getTrailingBit(n) == n;
+ }
+
+ public static boolean isPowerOfTwo(final long n) {
+ // 2^n has one bit
+ // note: this rets true for 0 still
+ return IntegerUtil.getTrailingBit(n) == n;
+ }
+
+
+ public static int getTrailingBit(final int n) {
+ return -n & n;
+ }
+
+ public static long getTrailingBit(final long n) {
+ return -n & n;
+ }
+
+ public static int trailingZeros(final int n) {
+ return Integer.numberOfTrailingZeros(n);
+ }
+
+ public static long trailingZeros(final long n) {
+ return Long.numberOfTrailingZeros(n);
+ }
+
+ // from hacker's delight (signed division magic value)
+ public static int getDivisorMultiple(final long numbers) {
+ return (int)(numbers >>> 32);
+ }
+
+ // from hacker's delight (signed division magic value)
+ public static int getDivisorShift(final long numbers) {
+ return (int)numbers;
+ }
+
+ // copied from hacker's delight (signed division magic value)
+ // http://www.hackersdelight.org/hdcodetxt/magic.c.txt
+ public static long getDivisorNumbers(final int d) {
+ final int ad = IntegerUtil.branchlessAbs(d);
+
+ if (ad < 2) {
+ throw new IllegalArgumentException("|number| must be in [2, 2^31 -1], not: " + d);
+ }
+
+ final int two31 = 0x80000000;
+ final long mask = 0xFFFFFFFFL; // mask for enforcing unsigned behaviour
+
+ int p = 31;
+
+ // all these variables are UNSIGNED!
+ int t = two31 + (d >>> 31);
+ int anc = t - 1 - t%ad;
+ int q1 = (int)((two31 & mask)/(anc & mask));
+ int r1 = two31 - q1*anc;
+ int q2 = (int)((two31 & mask)/(ad & mask));
+ int r2 = two31 - q2*ad;
+ int delta;
+
+ do {
+ p = p + 1;
+ q1 = 2*q1; // Update q1 = 2**p/|nc|.
+ r1 = 2*r1; // Update r1 = rem(2**p, |nc|).
+ if ((r1 & mask) >= (anc & mask)) {// (Must be an unsigned comparison here)
+ q1 = q1 + 1;
+ r1 = r1 - anc;
+ }
+ q2 = 2*q2; // Update q2 = 2**p/|d|.
+ r2 = 2*r2; // Update r2 = rem(2**p, |d|).
+ if ((r2 & mask) >= (ad & mask)) {// (Must be an unsigned comparison here)
+ q2 = q2 + 1;
+ r2 = r2 - ad;
+ }
+ delta = ad - r2;
+ } while ((q1 & mask) < (delta & mask) || (q1 == delta && r1 == 0));
+
+ int magicNum = q2 + 1;
+ if (d < 0) {
+ magicNum = -magicNum;
+ }
+ int shift = p - 32;
+ return ((long)magicNum << 32) | shift;
+ }
+
+ public static int branchlessAbs(final int val) {
+ // -n = -1 ^ n + 1
+ final int mask = val >> (Integer.SIZE - 1); // -1 if < 0, 0 if >= 0
+ return (mask ^ val) - mask; // if val < 0, then (0 ^ val) - 0 else (-1 ^ val) + 1
+ }
+
+ public static long branchlessAbs(final long val) {
+ // -n = -1 ^ n + 1
+ final long mask = val >> (Long.SIZE - 1); // -1 if < 0, 0 if >= 0
+ return (mask ^ val) - mask; // if val < 0, then (0 ^ val) - 0 else (-1 ^ val) + 1
+ }
+
+ //https://github.com/skeeto/hash-prospector for hash functions
+
+ //score = ~590.47984224483832
+ public static int hash0(int x) {
+ x *= 0x36935555;
+ x ^= x >>> 16;
+ return x;
+ }
+
+ //score = ~310.01596637036749
+ public static int hash1(int x) {
+ x ^= x >>> 15;
+ x *= 0x356aaaad;
+ x ^= x >>> 17;
+ return x;
+ }
+
+ public static int hash2(int x) {
+ x ^= x >>> 16;
+ x *= 0x7feb352d;
+ x ^= x >>> 15;
+ x *= 0x846ca68b;
+ x ^= x >>> 16;
+ return x;
+ }
+
+ public static int hash3(int x) {
+ x ^= x >>> 17;
+ x *= 0xed5ad4bb;
+ x ^= x >>> 11;
+ x *= 0xac4c1b51;
+ x ^= x >>> 15;
+ x *= 0x31848bab;
+ x ^= x >>> 14;
+ return x;
+ }
+
+ //score = ~365.79959673201887
+ public static long hash1(long x) {
+ x ^= x >>> 27;
+ x *= 0xb24924b71d2d354bL;
+ x ^= x >>> 28;
+ return x;
+ }
+
+ //h2 hash
+ public static long hash2(long x) {
+ x ^= x >>> 32;
+ x *= 0xd6e8feb86659fd93L;
+ x ^= x >>> 32;
+ x *= 0xd6e8feb86659fd93L;
+ x ^= x >>> 32;
+ return x;
+ }
+
+ public static long hash3(long x) {
+ x ^= x >>> 45;
+ x *= 0xc161abe5704b6c79L;
+ x ^= x >>> 41;
+ x *= 0xe3e5389aedbc90f7L;
+ x ^= x >>> 56;
+ x *= 0x1f9aba75a52db073L;
+ x ^= x >>> 53;
+ return x;
+ }
+
+ private IntegerUtil() {
+ throw new RuntimeException();
+ }
+}
diff --git a/src/main/java/com/destroystokyo/paper/util/misc/AreaMap.java b/src/main/java/com/destroystokyo/paper/util/misc/AreaMap.java
new file mode 100644
index 0000000000000000000000000000000000000000..1330df2c1d3c4f52dad0adeb169409eb412814ab
--- /dev/null
+++ b/src/main/java/com/destroystokyo/paper/util/misc/AreaMap.java
@@ -0,0 +1,453 @@
+package com.destroystokyo.paper.util.misc;
+
+import com.destroystokyo.paper.util.math.IntegerUtil;
+import it.unimi.dsi.fastutil.longs.Long2ObjectLinkedOpenHashMap;
+import it.unimi.dsi.fastutil.longs.Long2ObjectOpenHashMap;
+import it.unimi.dsi.fastutil.objects.Object2IntOpenHashMap;
+import it.unimi.dsi.fastutil.objects.Object2LongOpenHashMap;
+import net.minecraft.server.ChunkCoordIntPair;
+import net.minecraft.server.MCUtil;
+import net.minecraft.server.MinecraftServer;
+import javax.annotation.Nullable;
+import java.util.Iterator;
+
+/** @author Spottedleaf */
+public abstract class AreaMap<E> {
+
+ /* Tested via https://gist.github.com/Spottedleaf/520419c6f41ef348fe9926ce674b7217 */
+
+ protected final Object2LongOpenHashMap<E> objectToLastCoordinate = new Object2LongOpenHashMap<>();
+ protected final Object2IntOpenHashMap<E> objectToViewDistance = new Object2IntOpenHashMap<>();
+
+ {
+ this.objectToViewDistance.defaultReturnValue(-1);
+ this.objectToLastCoordinate.defaultReturnValue(Long.MIN_VALUE);
+ }
+
+ // we use linked for better iteration.
+ // map of: coordinate to set of objects in coordinate
+ protected final Long2ObjectOpenHashMap<PooledLinkedHashSets.PooledObjectLinkedOpenHashSet<E>> areaMap = new Long2ObjectOpenHashMap<>(1024, 0.7f);
+ protected final PooledLinkedHashSets<E> pooledHashSets;
+
+ protected final ChangeCallback<E> addCallback;
+ protected final ChangeCallback<E> removeCallback;
+ protected final ChangeSourceCallback<E> changeSourceCallback;
+
+ public AreaMap() {
+ this(new PooledLinkedHashSets<>());
+ }
+
+ // let users define a "global" or "shared" pooled sets if they wish
+ public AreaMap(final PooledLinkedHashSets<E> pooledHashSets) {
+ this(pooledHashSets, null, null);
+ }
+
+ public AreaMap(final PooledLinkedHashSets<E> pooledHashSets, final ChangeCallback<E> addCallback, final ChangeCallback<E> removeCallback) {
+ this(pooledHashSets, addCallback, removeCallback, null);
+ }
+ public AreaMap(final PooledLinkedHashSets<E> pooledHashSets, final ChangeCallback<E> addCallback, final ChangeCallback<E> removeCallback, final ChangeSourceCallback<E> changeSourceCallback) {
+ this.pooledHashSets = pooledHashSets;
+ this.addCallback = addCallback;
+ this.removeCallback = removeCallback;
+ this.changeSourceCallback = changeSourceCallback;
+ }
+
+ @Nullable
+ public final PooledLinkedHashSets.PooledObjectLinkedOpenHashSet<E> getObjectsInRange(final long key) {
+ return this.areaMap.get(key);
+ }
+
+ @Nullable
+ public final PooledLinkedHashSets.PooledObjectLinkedOpenHashSet<E> getObjectsInRange(final ChunkCoordIntPair chunkPos) {
+ return this.areaMap.get(MCUtil.getCoordinateKey(chunkPos));
+ }
+
+ @Nullable
+ public final PooledLinkedHashSets.PooledObjectLinkedOpenHashSet<E> getObjectsInRange(final int chunkX, final int chunkZ) {
+ return this.areaMap.get(MCUtil.getCoordinateKey(chunkX, chunkZ));
+ }
+
+ // Long.MIN_VALUE indicates the object is not mapped
+ public final long getLastCoordinate(final E object) {
+ return this.objectToLastCoordinate.getOrDefault(object, Long.MIN_VALUE);
+ }
+
+ // -1 indicates the object is not mapped
+ public final int getLastViewDistance(final E object) {
+ return this.objectToViewDistance.getOrDefault(object, -1);
+ }
+
+ // returns the total number of mapped chunks
+ public final int size() {
+ return this.areaMap.size();
+ }
+
+ public final void addOrUpdate(final E object, final int chunkX, final int chunkZ, final int viewDistance) {
+ final int oldViewDistance = this.objectToViewDistance.put(object, viewDistance);
+ final long newPos = MCUtil.getCoordinateKey(chunkX, chunkZ);
+ final long oldPos = this.objectToLastCoordinate.put(object, newPos);
+
+ if (oldViewDistance == -1) {
+ this.addObject(object, chunkX, chunkZ, Integer.MIN_VALUE, Integer.MIN_VALUE, viewDistance);
+ this.addObjectCallback(object, chunkX, chunkZ, viewDistance);
+ } else {
+ this.updateObject(object, oldPos, newPos, oldViewDistance, viewDistance);
+ this.updateObjectCallback(object, oldPos, newPos, oldViewDistance, viewDistance);
+ }
+ //this.validate(object, viewDistance);
+ }
+
+ public final boolean update(final E object, final int chunkX, final int chunkZ, final int viewDistance) {
+ final int oldViewDistance = this.objectToViewDistance.replace(object, viewDistance);
+ if (oldViewDistance == -1) {
+ return false;
+ } else {
+ final long newPos = MCUtil.getCoordinateKey(chunkX, chunkZ);
+ final long oldPos = this.objectToLastCoordinate.put(object, newPos);
+ this.updateObject(object, oldPos, newPos, oldViewDistance, viewDistance);
+ this.updateObjectCallback(object, oldPos, newPos, oldViewDistance, viewDistance);
+ }
+ //this.validate(object, viewDistance);
+ return true;
+ }
+
+ // called after the distance map updates
+ protected void updateObjectCallback(final E Object, final long oldPosition, final long newPosition, final int oldViewDistance, final int newViewDistance) {
+ if (newPosition != oldPosition && this.changeSourceCallback != null) {
+ this.changeSourceCallback.accept(Object, oldPosition, newPosition);
+ }
+ }
+
+ public final boolean add(final E object, final int chunkX, final int chunkZ, final int viewDistance) {
+ final int oldViewDistance = this.objectToViewDistance.putIfAbsent(object, viewDistance);
+ if (oldViewDistance != -1) {
+ return false;
+ }
+
+ final long newPos = MCUtil.getCoordinateKey(chunkX, chunkZ);
+ this.objectToLastCoordinate.put(object, newPos);
+ this.addObject(object, chunkX, chunkZ, Integer.MIN_VALUE, Integer.MIN_VALUE, viewDistance);
+ this.addObjectCallback(object, chunkX, chunkZ, viewDistance);
+
+ //this.validate(object, viewDistance);
+
+ return true;
+ }
+
+ // called after the distance map updates
+ protected void addObjectCallback(final E object, final int chunkX, final int chunkZ, final int viewDistance) {}
+
+ public final boolean remove(final E object) {
+ final long position = this.objectToLastCoordinate.removeLong(object);
+ final int viewDistance = this.objectToViewDistance.removeInt(object);
+
+ if (viewDistance == -1) {
+ return false;
+ }
+
+ final int currentX = MCUtil.getCoordinateX(position);
+ final int currentZ = MCUtil.getCoordinateZ(position);
+
+ this.removeObject(object, currentX, currentZ, currentX, currentZ, viewDistance);
+ this.removeObjectCallback(object, currentX, currentZ, viewDistance);
+ //this.validate(object, -1);
+ return true;
+ }
+
+ // called after the distance map updates
+ protected void removeObjectCallback(final E object, final int chunkX, final int chunkZ, final int viewDistance) {}
+
+ protected abstract PooledLinkedHashSets.PooledObjectLinkedOpenHashSet<E> getEmptySetFor(final E object);
+
+ // expensive op, only for debug
+ protected void validate(final E object, final int viewDistance) {
+ int entiesGot = 0;
+ int expectedEntries = (2 * viewDistance + 1);
+ expectedEntries *= expectedEntries;
+ if (viewDistance < 0) {
+ expectedEntries = 0;
+ }
+
+ final long currPosition = this.objectToLastCoordinate.getLong(object);
+
+ final int centerX = MCUtil.getCoordinateX(currPosition);
+ final int centerZ = MCUtil.getCoordinateZ(currPosition);
+
+ for (Iterator<Long2ObjectLinkedOpenHashMap.Entry<PooledLinkedHashSets.PooledObjectLinkedOpenHashSet<E>>> iterator = this.areaMap.long2ObjectEntrySet().fastIterator();
+ iterator.hasNext();) {
+
+ final Long2ObjectLinkedOpenHashMap.Entry<PooledLinkedHashSets.PooledObjectLinkedOpenHashSet<E>> entry = iterator.next();
+ final long key = entry.getLongKey();
+ final PooledLinkedHashSets.PooledObjectLinkedOpenHashSet<E> map = entry.getValue();
+
+ if (map.referenceCount == 0) {
+ throw new IllegalStateException("Invalid map");
+ }
+
+ if (map.contains(object)) {
+ ++entiesGot;
+
+ final int chunkX = MCUtil.getCoordinateX(key);
+ final int chunkZ = MCUtil.getCoordinateZ(key);
+
+ final int dist = Math.max(IntegerUtil.branchlessAbs(chunkX - centerX), IntegerUtil.branchlessAbs(chunkZ - centerZ));
+
+ if (dist > viewDistance) {
+ throw new IllegalStateException("Expected view distance " + viewDistance + ", got " + dist);
+ }
+ }
+ }
+
+ if (entiesGot != expectedEntries) {
+ throw new IllegalStateException("Expected " + expectedEntries + ", got " + entiesGot);
+ }
+ }
+
+ private void addObjectTo(final E object, final int chunkX, final int chunkZ, final int currChunkX,
+ final int currChunkZ, final int prevChunkX, final int prevChunkZ) {
+ final long key = MCUtil.getCoordinateKey(chunkX, chunkZ);
+
+ PooledLinkedHashSets.PooledObjectLinkedOpenHashSet<E> empty = this.getEmptySetFor(object);
+ PooledLinkedHashSets.PooledObjectLinkedOpenHashSet<E> current = this.areaMap.putIfAbsent(key, empty);
+
+ if (current != null) {
+ PooledLinkedHashSets.PooledObjectLinkedOpenHashSet<E> next = this.pooledHashSets.findMapWith(current, object);
+ if (next == current) {
+ throw new IllegalStateException("Expected different map: got " + next.toString());
+ }
+ this.areaMap.put(key, next);
+
+ current = next;
+ // fall through to callback
+ } else {
+ current = empty;
+ }
+
+ if (this.addCallback != null) {
+ try {
+ this.addCallback.accept(object, chunkX, chunkZ, currChunkX, currChunkZ, prevChunkX, prevChunkZ, current);
+ } catch (final Throwable ex) {
+ if (ex instanceof ThreadDeath) {
+ throw (ThreadDeath)ex;
+ }
+ MinecraftServer.LOGGER.error("Add callback for map threw exception ", ex);
+ }
+ }
+ }
+
+ private void removeObjectFrom(final E object, final int chunkX, final int chunkZ, final int currChunkX,
+ final int currChunkZ, final int prevChunkX, final int prevChunkZ) {
+ final long key = MCUtil.getCoordinateKey(chunkX, chunkZ);
+
+ PooledLinkedHashSets.PooledObjectLinkedOpenHashSet<E> current = this.areaMap.get(key);
+
+ if (current == null) {
+ throw new IllegalStateException("Current map may not be null for " + object + ", (" + chunkX + "," + chunkZ + ")");
+ }
+
+ PooledLinkedHashSets.PooledObjectLinkedOpenHashSet<E> next = this.pooledHashSets.findMapWithout(current, object);
+
+ if (next == current) {
+ throw new IllegalStateException("Current map [" + next.toString() + "] should have contained " + object + ", (" + chunkX + "," + chunkZ + ")");
+ }
+
+ if (next != null) {
+ this.areaMap.put(key, next);
+ } else {
+ this.areaMap.remove(key);
+ }
+
+ if (this.removeCallback != null) {
+ try {
+ this.removeCallback.accept(object, chunkX, chunkZ, currChunkX, currChunkZ, prevChunkX, prevChunkZ, next);
+ } catch (final Throwable ex) {
+ if (ex instanceof ThreadDeath) {
+ throw (ThreadDeath)ex;
+ }
+ MinecraftServer.LOGGER.error("Remove callback for map threw exception ", ex);
+ }
+ }
+ }
+
+ private void addObject(final E object, final int chunkX, final int chunkZ, final int prevChunkX, final int prevChunkZ, final int viewDistance) {
+ final int maxX = chunkX + viewDistance;
+ final int maxZ = chunkZ + viewDistance;
+ final int minX = chunkX - viewDistance;
+ final int minZ = chunkZ - viewDistance;
+ for (int x = minX; x <= maxX; ++x) {
+ for (int z = minZ; z <= maxZ; ++z) {
+ this.addObjectTo(object, x, z, chunkX, chunkZ, prevChunkX, prevChunkZ);
+ }
+ }
+ }
+
+ private void removeObject(final E object, final int chunkX, final int chunkZ, final int currentChunkX, final int currentChunkZ, final int viewDistance) {
+ final int maxX = chunkX + viewDistance;
+ final int maxZ = chunkZ + viewDistance;
+ final int minX = chunkX - viewDistance;
+ final int minZ = chunkZ - viewDistance;
+ for (int x = minX; x <= maxX; ++x) {
+ for (int z = minZ; z <= maxZ; ++z) {
+ this.removeObjectFrom(object, x, z, currentChunkX, currentChunkZ, chunkX, chunkZ);
+ }
+ }
+ }
+
+ /* math sign function except 0 returns 1 */
+ protected static int sign(int val) {
+ return 1 | (val >> (Integer.SIZE - 1));
+ }
+
+ private void updateObject(final E object, final long oldPosition, final long newPosition, final int oldViewDistance, final int newViewDistance) {
+ final int toX = MCUtil.getCoordinateX(newPosition);
+ final int toZ = MCUtil.getCoordinateZ(newPosition);
+ final int fromX = MCUtil.getCoordinateX(oldPosition);
+ final int fromZ = MCUtil.getCoordinateZ(oldPosition);
+
+ final int dx = toX - fromX;
+ final int dz = toZ - fromZ;
+
+ final int totalX = IntegerUtil.branchlessAbs(fromX - toX);
+ final int totalZ = IntegerUtil.branchlessAbs(fromZ - toZ);
+
+ if (Math.max(totalX, totalZ) > (2 * Math.max(newViewDistance, oldViewDistance))) {
+ // teleported?
+ this.removeObject(object, fromX, fromZ, fromX, fromZ, oldViewDistance);
+ this.addObject(object, toX, toZ, fromX, fromZ, newViewDistance);
+ return;
+ }
+
+ if (oldViewDistance != newViewDistance) {
+ // remove loop
+
+ final int oldMinX = fromX - oldViewDistance;
+ final int oldMinZ = fromZ - oldViewDistance;
+ final int oldMaxX = fromX + oldViewDistance;
+ final int oldMaxZ = fromZ + oldViewDistance;
+ for (int currX = oldMinX; currX <= oldMaxX; ++currX) {
+ for (int currZ = oldMinZ; currZ <= oldMaxZ; ++currZ) {
+
+ // only remove if we're outside the new view distance...
+ if (Math.max(IntegerUtil.branchlessAbs(currX - toX), IntegerUtil.branchlessAbs(currZ - toZ)) > newViewDistance) {
+ this.removeObjectFrom(object, currX, currZ, toX, toZ, fromX, fromZ);
+ }
+ }
+ }
+
+ // add loop
+
+ final int newMinX = toX - newViewDistance;
+ final int newMinZ = toZ - newViewDistance;
+ final int newMaxX = toX + newViewDistance;
+ final int newMaxZ = toZ + newViewDistance;
+ for (int currX = newMinX; currX <= newMaxX; ++currX) {
+ for (int currZ = newMinZ; currZ <= newMaxZ; ++currZ) {
+
+ // only add if we're outside the old view distance...
+ if (Math.max(IntegerUtil.branchlessAbs(currX - fromX), IntegerUtil.branchlessAbs(currZ - fromZ)) > oldViewDistance) {
+ this.addObjectTo(object, currX, currZ, toX, toZ, fromX, fromZ);
+ }
+ }
+ }
+
+ return;
+ }
+
+ // x axis is width
+ // z axis is height
+ // right refers to the x axis of where we moved
+ // top refers to the z axis of where we moved
+
+ // same view distance
+
+ // used for relative positioning
+ final int up = sign(dz); // 1 if dz >= 0, -1 otherwise
+ final int right = sign(dx); // 1 if dx >= 0, -1 otherwise
+
+ // The area excluded by overlapping the two view distance squares creates four rectangles:
+ // Two on the left, and two on the right. The ones on the left we consider the "removed" section
+ // and on the right the "added" section.
+ // https://i.imgur.com/MrnOBgI.png is a reference image. Note that the outside border is not actually
+ // exclusive to the regions they surround.
+
+ // 4 points of the rectangle
+ int maxX; // exclusive
+ int minX; // inclusive
+ int maxZ; // exclusive
+ int minZ; // inclusive
+
+ if (dx != 0) {
+ // handle right addition
+
+ maxX = toX + (oldViewDistance * right) + right; // exclusive
+ minX = fromX + (oldViewDistance * right) + right; // inclusive
+ maxZ = fromZ + (oldViewDistance * up) + up; // exclusive
+ minZ = toZ - (oldViewDistance * up); // inclusive
+
+ for (int currX = minX; currX != maxX; currX += right) {
+ for (int currZ = minZ; currZ != maxZ; currZ += up) {
+ this.addObjectTo(object, currX, currZ, toX, toZ, fromX, fromZ);
+ }
+ }
+ }
+
+ if (dz != 0) {
+ // handle up addition
+
+ maxX = toX + (oldViewDistance * right) + right; // exclusive
+ minX = toX - (oldViewDistance * right); // inclusive
+ maxZ = toZ + (oldViewDistance * up) + up; // exclusive
+ minZ = fromZ + (oldViewDistance * up) + up; // inclusive
+
+ for (int currX = minX; currX != maxX; currX += right) {
+ for (int currZ = minZ; currZ != maxZ; currZ += up) {
+ this.addObjectTo(object, currX, currZ, toX, toZ, fromX, fromZ);
+ }
+ }
+ }
+
+ if (dx != 0) {
+ // handle left removal
+
+ maxX = toX - (oldViewDistance * right); // exclusive
+ minX = fromX - (oldViewDistance * right); // inclusive
+ maxZ = fromZ + (oldViewDistance * up) + up; // exclusive
+ minZ = toZ - (oldViewDistance * up); // inclusive
+
+ for (int currX = minX; currX != maxX; currX += right) {
+ for (int currZ = minZ; currZ != maxZ; currZ += up) {
+ this.removeObjectFrom(object, currX, currZ, toX, toZ, fromX, fromZ);
+ }
+ }
+ }
+
+ if (dz != 0) {
+ // handle down removal
+
+ maxX = fromX + (oldViewDistance * right) + right; // exclusive
+ minX = fromX - (oldViewDistance * right); // inclusive
+ maxZ = toZ - (oldViewDistance * up); // exclusive
+ minZ = fromZ - (oldViewDistance * up); // inclusive
+
+ for (int currX = minX; currX != maxX; currX += right) {
+ for (int currZ = minZ; currZ != maxZ; currZ += up) {
+ this.removeObjectFrom(object, currX, currZ, toX, toZ, fromX, fromZ);
+ }
+ }
+ }
+ }
+
+ @FunctionalInterface
+ public static interface ChangeCallback<E> {
+
+ // if there is no previous position, then prevPos = Integer.MIN_VALUE
+ void accept(final E object, final int rangeX, final int rangeZ, final int currPosX, final int currPosZ, final int prevPosX, final int prevPosZ,
+ final PooledLinkedHashSets.PooledObjectLinkedOpenHashSet<E> newState);
+
+ }
+
+ @FunctionalInterface
+ public static interface ChangeSourceCallback<E> {
+ void accept(final E object, final long prevPos, final long newPos);
+ }
+}
diff --git a/src/main/java/com/destroystokyo/paper/util/misc/DistanceTrackingAreaMap.java b/src/main/java/com/destroystokyo/paper/util/misc/DistanceTrackingAreaMap.java
new file mode 100644
index 0000000000000000000000000000000000000000..3f86c1ad43782bdc56be6c0eca053311e51228ca
--- /dev/null
+++ b/src/main/java/com/destroystokyo/paper/util/misc/DistanceTrackingAreaMap.java
@@ -0,0 +1,175 @@
+package com.destroystokyo.paper.util.misc;
+
+import com.destroystokyo.paper.util.math.IntegerUtil;
+import it.unimi.dsi.fastutil.longs.Long2IntOpenHashMap;
+import net.minecraft.server.ChunkCoordIntPair;
+import net.minecraft.server.MCUtil;
+
+/** @author Spottedleaf */
+public abstract class DistanceTrackingAreaMap<E> extends AreaMap<E> {
+
+ // use this map only if you need distance tracking, the tracking here is obviously going to hit harder.
+
+ protected final Long2IntOpenHashMap chunkToNearestDistance = new Long2IntOpenHashMap(1024, 0.7f);
+ {
+ this.chunkToNearestDistance.defaultReturnValue(-1);
+ }
+
+ protected final DistanceChangeCallback<E> distanceChangeCallback;
+
+ public DistanceTrackingAreaMap() {
+ this(new PooledLinkedHashSets<>());
+ }
+
+ // let users define a "global" or "shared" pooled sets if they wish
+ public DistanceTrackingAreaMap(final PooledLinkedHashSets<E> pooledHashSets) {
+ this(pooledHashSets, null, null, null);
+ }
+
+ public DistanceTrackingAreaMap(final PooledLinkedHashSets<E> pooledHashSets, final ChangeCallback<E> addCallback, final ChangeCallback<E> removeCallback,
+ final DistanceChangeCallback<E> distanceChangeCallback) {
+ super(pooledHashSets, addCallback, removeCallback);
+ this.distanceChangeCallback = distanceChangeCallback;
+ }
+
+ // ret -1 if there is nothing mapped
+ public final int getNearestObjectDistance(final long key) {
+ return this.chunkToNearestDistance.get(key);
+ }
+
+ // ret -1 if there is nothing mapped
+ public final int getNearestObjectDistance(final ChunkCoordIntPair chunkPos) {
+ return this.chunkToNearestDistance.get(MCUtil.getCoordinateKey(chunkPos));
+ }
+
+ // ret -1 if there is nothing mapped
+ public final int getNearestObjectDistance(final int chunkX, final int chunkZ) {
+ return this.chunkToNearestDistance.get(MCUtil.getCoordinateKey(chunkX, chunkZ));
+ }
+
+ protected final void recalculateDistance(final int chunkX, final int chunkZ) {
+ final long key = MCUtil.getCoordinateKey(chunkX, chunkZ);
+ final PooledLinkedHashSets.PooledObjectLinkedOpenHashSet<E> state = this.areaMap.get(key);
+ if (state == null) {
+ final int oldDistance = this.chunkToNearestDistance.remove(key);
+ // nothing here.
+ if (oldDistance == -1) {
+ // nothing was here previously
+ return;
+ }
+ if (this.distanceChangeCallback != null) {
+ this.distanceChangeCallback.accept(chunkX, chunkZ, oldDistance, -1, null);
+ }
+ return;
+ }
+
+ int newDistance = Integer.MAX_VALUE;
+
+ final Object[] rawData = state.getBackingSet();
+ for (int i = 0, len = rawData.length; i < len; ++i) {
+ final Object raw = rawData[i];
+
+ if (raw == null) {
+ continue;
+ }
+
+ final E object = (E)raw;
+ final long location = this.objectToLastCoordinate.getLong(object);
+
+ final int distance = Math.max(IntegerUtil.branchlessAbs(chunkX - MCUtil.getCoordinateX(location)), IntegerUtil.branchlessAbs(chunkZ - MCUtil.getCoordinateZ(location)));
+
+ if (distance < newDistance) {
+ newDistance = distance;
+ }
+ }
+
+ final int oldDistance = this.chunkToNearestDistance.put(key, newDistance);
+
+ if (oldDistance != newDistance) {
+ if (this.distanceChangeCallback != null) {
+ this.distanceChangeCallback.accept(chunkX, chunkZ, oldDistance, newDistance, state);
+ }
+ }
+ }
+
+ @Override
+ protected void addObjectCallback(final E object, final int chunkX, final int chunkZ, final int viewDistance) {
+ final int maxX = chunkX + viewDistance;
+ final int maxZ = chunkZ + viewDistance;
+ final int minX = chunkX - viewDistance;
+ final int minZ = chunkZ - viewDistance;
+ for (int x = minX; x <= maxX; ++x) {
+ for (int z = minZ; z <= maxZ; ++z) {
+ this.recalculateDistance(x, z);
+ }
+ }
+ }
+
+ @Override
+ protected void removeObjectCallback(final E object, final int chunkX, final int chunkZ, final int viewDistance) {
+ final int maxX = chunkX + viewDistance;
+ final int maxZ = chunkZ + viewDistance;
+ final int minX = chunkX - viewDistance;
+ final int minZ = chunkZ - viewDistance;
+ for (int x = minX; x <= maxX; ++x) {
+ for (int z = minZ; z <= maxZ; ++z) {
+ this.recalculateDistance(x, z);
+ }
+ }
+ }
+
+ @Override
+ protected void updateObjectCallback(final E object, final long oldPosition, final long newPosition, final int oldViewDistance, final int newViewDistance) {
+ if (oldPosition == newPosition && newViewDistance == oldViewDistance) {
+ return;
+ }
+
+ final int toX = MCUtil.getCoordinateX(newPosition);
+ final int toZ = MCUtil.getCoordinateZ(newPosition);
+ final int fromX = MCUtil.getCoordinateX(oldPosition);
+ final int fromZ = MCUtil.getCoordinateZ(oldPosition);
+
+ final int totalX = IntegerUtil.branchlessAbs(fromX - toX);
+ final int totalZ = IntegerUtil.branchlessAbs(fromZ - toZ);
+
+ if (Math.max(totalX, totalZ) > (2 * Math.max(newViewDistance, oldViewDistance))) {
+ // teleported?
+ this.removeObjectCallback(object, fromX, fromZ, oldViewDistance);
+ this.addObjectCallback(object, toX, toZ, newViewDistance);
+ return;
+ }
+
+ final int minX = Math.min(fromX - oldViewDistance, toX - newViewDistance);
+ final int maxX = Math.max(fromX + oldViewDistance, toX + newViewDistance);
+ final int minZ = Math.min(fromZ - oldViewDistance, toZ - newViewDistance);
+ final int maxZ = Math.max(fromZ + oldViewDistance, toZ + newViewDistance);
+
+ for (int x = minX; x <= maxX; ++x) {
+ for (int z = minZ; z <= maxZ; ++z) {
+ final int distXOld = IntegerUtil.branchlessAbs(x - fromX);
+ final int distZOld = IntegerUtil.branchlessAbs(z - fromZ);
+
+ if (Math.max(distXOld, distZOld) <= oldViewDistance) {
+ this.recalculateDistance(x, z);
+ continue;
+ }
+
+ final int distXNew = IntegerUtil.branchlessAbs(x - toX);
+ final int distZNew = IntegerUtil.branchlessAbs(z - toZ);
+
+ if (Math.max(distXNew, distZNew) <= newViewDistance) {
+ this.recalculateDistance(x, z);
+ continue;
+ }
+ }
+ }
+ }
+
+ @FunctionalInterface
+ public static interface DistanceChangeCallback<E> {
+
+ void accept(final int posX, final int posZ, final int oldNearestDistance, final int newNearestDistance,
+ final PooledLinkedHashSets.PooledObjectLinkedOpenHashSet<E> state);
+
+ }
+}
diff --git a/src/main/java/com/destroystokyo/paper/util/misc/PlayerAreaMap.java b/src/main/java/com/destroystokyo/paper/util/misc/PlayerAreaMap.java
new file mode 100644
index 0000000000000000000000000000000000000000..b1396f405d041fc3ca1f7ce1e0f884a3cfb8b96e
--- /dev/null
+++ b/src/main/java/com/destroystokyo/paper/util/misc/PlayerAreaMap.java
@@ -0,0 +1,32 @@
+package com.destroystokyo.paper.util.misc;
+
+import net.minecraft.server.EntityPlayer;
+
+/**
+ * @author Spottedleaf
+ */
+public final class PlayerAreaMap extends AreaMap<EntityPlayer> {
+
+ public PlayerAreaMap() {
+ super();
+ }
+
+ public PlayerAreaMap(final PooledLinkedHashSets<EntityPlayer> pooledHashSets) {
+ super(pooledHashSets);
+ }
+
+ public PlayerAreaMap(final PooledLinkedHashSets<EntityPlayer> pooledHashSets, final ChangeCallback<EntityPlayer> addCallback,
+ final ChangeCallback<EntityPlayer> removeCallback) {
+ this(pooledHashSets, addCallback, removeCallback, null);
+ }
+
+ public PlayerAreaMap(final PooledLinkedHashSets<EntityPlayer> pooledHashSets, final ChangeCallback<EntityPlayer> addCallback,
+ final ChangeCallback<EntityPlayer> removeCallback, final ChangeSourceCallback<EntityPlayer> changeSourceCallback) {
+ super(pooledHashSets, addCallback, removeCallback, changeSourceCallback);
+ }
+
+ @Override
+ protected PooledLinkedHashSets.PooledObjectLinkedOpenHashSet<EntityPlayer> getEmptySetFor(final EntityPlayer player) {
+ return player.cachedSingleHashSet;
+ }
+}
diff --git a/src/main/java/com/destroystokyo/paper/util/misc/PlayerDistanceTrackingAreaMap.java b/src/main/java/com/destroystokyo/paper/util/misc/PlayerDistanceTrackingAreaMap.java
new file mode 100644
index 0000000000000000000000000000000000000000..0292afc5224326b767bd56d0718c215c184f2e0f
--- /dev/null
+++ b/src/main/java/com/destroystokyo/paper/util/misc/PlayerDistanceTrackingAreaMap.java
@@ -0,0 +1,24 @@
+package com.destroystokyo.paper.util.misc;
+
+import net.minecraft.server.EntityPlayer;
+
+public class PlayerDistanceTrackingAreaMap extends DistanceTrackingAreaMap<EntityPlayer> {
+
+ public PlayerDistanceTrackingAreaMap() {
+ super();
+ }
+
+ public PlayerDistanceTrackingAreaMap(final PooledLinkedHashSets<EntityPlayer> pooledHashSets) {
+ super(pooledHashSets);
+ }
+
+ public PlayerDistanceTrackingAreaMap(final PooledLinkedHashSets<EntityPlayer> pooledHashSets, final ChangeCallback<EntityPlayer> addCallback,
+ final ChangeCallback<EntityPlayer> removeCallback, final DistanceChangeCallback<EntityPlayer> distanceChangeCallback) {
+ super(pooledHashSets, addCallback, removeCallback, distanceChangeCallback);
+ }
+
+ @Override
+ protected PooledLinkedHashSets.PooledObjectLinkedOpenHashSet<EntityPlayer> getEmptySetFor(final EntityPlayer player) {
+ return player.cachedSingleHashSet;
+ }
+}
diff --git a/src/main/java/com/destroystokyo/paper/util/misc/PooledLinkedHashSets.java b/src/main/java/com/destroystokyo/paper/util/misc/PooledLinkedHashSets.java
new file mode 100644
index 0000000000000000000000000000000000000000..e51104e65a07b6ea7bbbcbb6afb066ef6401cc5b
--- /dev/null
+++ b/src/main/java/com/destroystokyo/paper/util/misc/PooledLinkedHashSets.java
@@ -0,0 +1,287 @@
+package com.destroystokyo.paper.util.misc;
+
+import it.unimi.dsi.fastutil.objects.Object2ObjectOpenHashMap;
+import it.unimi.dsi.fastutil.objects.ObjectOpenHashSet;
+import java.lang.ref.WeakReference;
+
+/** @author Spottedleaf */
+public class PooledLinkedHashSets<E> {
+
+ /* Tested via https://gist.github.com/Spottedleaf/a93bb7a8993d6ce142d3efc5932bf573 */
+
+ // we really want to avoid that equals() check as much as possible...
+ protected final Object2ObjectOpenHashMap<PooledObjectLinkedOpenHashSet<E>, PooledObjectLinkedOpenHashSet<E>> mapPool = new Object2ObjectOpenHashMap<>(128, 0.25f);
+
+ protected void decrementReferenceCount(final PooledObjectLinkedOpenHashSet<E> current) {
+ if (current.referenceCount == 0) {
+ throw new IllegalStateException("Cannot decrement reference count for " + current);
+ }
+ if (current.referenceCount == -1 || --current.referenceCount > 0) {
+ return;
+ }
+
+ this.mapPool.remove(current);
+ return;
+ }
+
+ public PooledObjectLinkedOpenHashSet<E> findMapWith(final PooledObjectLinkedOpenHashSet<E> current, final E object) {
+ final PooledObjectLinkedOpenHashSet<E> cached = current.getAddCache(object);
+
+ if (cached != null) {
+ decrementReferenceCount(current);
+
+ if (cached.referenceCount == 0) {
+ // bring the map back from the dead
+ PooledObjectLinkedOpenHashSet<E> contending = this.mapPool.putIfAbsent(cached, cached);
+ if (contending != null) {
+ // a map already exists with the elements we want
+ if (contending.referenceCount != -1) {
+ ++contending.referenceCount;
+ }
+ current.updateAddCache(object, contending);
+ return contending;
+ }
+
+ cached.referenceCount = 1;
+ } else if (cached.referenceCount != -1) {
+ ++cached.referenceCount;
+ }
+
+ return cached;
+ }
+
+ if (!current.add(object)) {
+ return current;
+ }
+
+ // we use get/put since we use a different key on put
+ PooledObjectLinkedOpenHashSet<E> ret = this.mapPool.get(current);
+
+ if (ret == null) {
+ ret = new PooledObjectLinkedOpenHashSet<>(current);
+ current.remove(object);
+ this.mapPool.put(ret, ret);
+ ret.referenceCount = 1;
+ } else {
+ if (ret.referenceCount != -1) {
+ ++ret.referenceCount;
+ }
+ current.remove(object);
+ }
+
+ current.updateAddCache(object, ret);
+
+ decrementReferenceCount(current);
+ return ret;
+ }
+
+ // rets null if current.size() == 1
+ public PooledObjectLinkedOpenHashSet<E> findMapWithout(final PooledObjectLinkedOpenHashSet<E> current, final E object) {
+ if (current.set.size() == 1) {
+ decrementReferenceCount(current);
+ return null;
+ }
+
+ final PooledObjectLinkedOpenHashSet<E> cached = current.getRemoveCache(object);
+
+ if (cached != null) {
+ decrementReferenceCount(current);
+
+ if (cached.referenceCount == 0) {
+ // bring the map back from the dead
+ PooledObjectLinkedOpenHashSet<E> contending = this.mapPool.putIfAbsent(cached, cached);
+ if (contending != null) {
+ // a map already exists with the elements we want
+ if (contending.referenceCount != -1) {
+ ++contending.referenceCount;
+ }
+ current.updateRemoveCache(object, contending);
+ return contending;
+ }
+
+ cached.referenceCount = 1;
+ } else if (cached.referenceCount != -1) {
+ ++cached.referenceCount;
+ }
+
+ return cached;
+ }
+
+ if (!current.remove(object)) {
+ return current;
+ }
+
+ // we use get/put since we use a different key on put
+ PooledObjectLinkedOpenHashSet<E> ret = this.mapPool.get(current);
+
+ if (ret == null) {
+ ret = new PooledObjectLinkedOpenHashSet<>(current);
+ current.add(object);
+ this.mapPool.put(ret, ret);
+ ret.referenceCount = 1;
+ } else {
+ if (ret.referenceCount != -1) {
+ ++ret.referenceCount;
+ }
+ current.add(object);
+ }
+
+ current.updateRemoveCache(object, ret);
+
+ decrementReferenceCount(current);
+ return ret;
+ }
+
+ static final class RawSetObjectLinkedOpenHashSet<E> extends ObjectOpenHashSet<E> {
+
+ public RawSetObjectLinkedOpenHashSet() {
+ super();
+ }
+
+ public RawSetObjectLinkedOpenHashSet(final int capacity) {
+ super(capacity);
+ }
+
+ public RawSetObjectLinkedOpenHashSet(final int capacity, final float loadFactor) {
+ super(capacity, loadFactor);
+ }
+
+ @Override
+ public RawSetObjectLinkedOpenHashSet<E> clone() {
+ return (RawSetObjectLinkedOpenHashSet<E>)super.clone();
+ }
+
+ public E[] getRawSet() {
+ return this.key;
+ }
+ }
+
+ public static final class PooledObjectLinkedOpenHashSet<E> {
+
+ private static final WeakReference NULL_REFERENCE = new WeakReference<>(null);
+
+ final RawSetObjectLinkedOpenHashSet<E> set;
+ int referenceCount; // -1 if special
+ int hash; // optimize hashcode
+
+ // add cache
+ WeakReference<E> lastAddObject = NULL_REFERENCE;
+ WeakReference<PooledObjectLinkedOpenHashSet<E>> lastAddMap = NULL_REFERENCE;
+
+ // remove cache
+ WeakReference<E> lastRemoveObject = NULL_REFERENCE;
+ WeakReference<PooledObjectLinkedOpenHashSet<E>> lastRemoveMap = NULL_REFERENCE;
+
+ public PooledObjectLinkedOpenHashSet(final PooledLinkedHashSets<E> pooledSets) {
+ this.set = new RawSetObjectLinkedOpenHashSet<>(2, 0.8f);
+ }
+
+ public PooledObjectLinkedOpenHashSet(final E single) {
+ this((PooledLinkedHashSets<E>)null);
+ this.referenceCount = -1;
+ this.add(single);
+ }
+
+ public PooledObjectLinkedOpenHashSet(final PooledObjectLinkedOpenHashSet<E> other) {
+ this.set = other.set.clone();
+ this.hash = other.hash;
+ }
+
+ // from https://github.com/Spottedleaf/ConcurrentUtil/blob/master/src/main/java/ca/spottedleaf/concurrentutil/util/IntegerUtil.java
+ // generated by https://github.com/skeeto/hash-prospector
+ private static int hash0(int x) {
+ x *= 0x36935555;
+ x ^= x >>> 16;
+ return x;
+ }
+
+ PooledObjectLinkedOpenHashSet<E> getAddCache(final E element) {
+ final E currentAdd = this.lastAddObject.get();
+
+ if (currentAdd == null || !(currentAdd == element || currentAdd.equals(element))) {
+ return null;
+ }
+
+ return this.lastAddMap.get();
+ }
+
+ PooledObjectLinkedOpenHashSet<E> getRemoveCache(final E element) {
+ final E currentRemove = this.lastRemoveObject.get();
+
+ if (currentRemove == null || !(currentRemove == element || currentRemove.equals(element))) {
+ return null;
+ }
+
+ return this.lastRemoveMap.get();
+ }
+
+ void updateAddCache(final E element, final PooledObjectLinkedOpenHashSet<E> map) {
+ this.lastAddObject = new WeakReference<>(element);
+ this.lastAddMap = new WeakReference<>(map);
+ }
+
+ void updateRemoveCache(final E element, final PooledObjectLinkedOpenHashSet<E> map) {
+ this.lastRemoveObject = new WeakReference<>(element);
+ this.lastRemoveMap = new WeakReference<>(map);
+ }
+
+ boolean add(final E element) {
+ boolean added = this.set.add(element);
+
+ if (added) {
+ this.hash += hash0(element.hashCode());
+ }
+
+ return added;
+ }
+
+ boolean remove(Object element) {
+ boolean removed = this.set.remove(element);
+
+ if (removed) {
+ this.hash -= hash0(element.hashCode());
+ }
+
+ return removed;
+ }
+
+ public boolean contains(final Object element) {
+ return this.set.contains(element);
+ }
+
+ public E[] getBackingSet() {
+ return this.set.getRawSet();
+ }
+
+ public int size() {
+ return this.set.size();
+ }
+
+ @Override
+ public int hashCode() {
+ return this.hash;
+ }
+
+ @Override
+ public boolean equals(final Object other) {
+ if (!(other instanceof PooledObjectLinkedOpenHashSet)) {
+ return false;
+ }
+ if (this.referenceCount == 0) {
+ return other == this;
+ } else {
+ if (other == this) {
+ // Unfortunately we are never equal to our own instance while in use!
+ return false;
+ }
+ return this.hash == ((PooledObjectLinkedOpenHashSet)other).hash && this.set.equals(((PooledObjectLinkedOpenHashSet)other).set);
+ }
+ }
+
+ @Override
+ public String toString() {
+ return "PooledHashSet: size: " + this.set.size() + ", reference count: " + this.referenceCount + ", hash: " +
+ this.hashCode() + ", identity: " + System.identityHashCode(this) + " map: " + this.set.toString();
+ }
+ }
+}
diff --git a/src/main/java/com/destroystokyo/paper/util/pooled/PooledObjects.java b/src/main/java/com/destroystokyo/paper/util/pooled/PooledObjects.java
new file mode 100644
index 0000000000000000000000000000000000000000..d0c77068e9a53d1b8bbad0f3f6b420d6bc85f8c8
--- /dev/null
+++ b/src/main/java/com/destroystokyo/paper/util/pooled/PooledObjects.java
@@ -0,0 +1,85 @@
+package com.destroystokyo.paper.util.pooled;
+
+import net.minecraft.server.MCUtil;
+import org.apache.commons.lang3.mutable.MutableInt;
+
+import java.util.ArrayDeque;
+import java.util.function.Consumer;
+import java.util.function.Supplier;
+
+public final class PooledObjects<E> {
+
+ /**
+ * Wrapper for an object that will be have a cleaner registered for it, and may be automatically returned to pool.
+ */
+ public class AutoReleased {
+ private final E object;
+ private final Runnable cleaner;
+
+ public AutoReleased(E object, Runnable cleaner) {
+ this.object = object;
+ this.cleaner = cleaner;
+ }
+
+ public final E getObject() {
+ return object;
+ }
+
+ public final Runnable getCleaner() {
+ return cleaner;
+ }
+ }
+
+ public static final PooledObjects<MutableInt> POOLED_MUTABLE_INTEGERS = new PooledObjects<>(MutableInt::new, 1024);
+
+ private final Supplier<E> creator;
+ private final Consumer<E> releaser;
+ private final int maxPoolSize;
+ private final ArrayDeque<E> queue;
+
+ public PooledObjects(final Supplier<E> creator, int maxPoolSize) {
+ this(creator, maxPoolSize, null);
+ }
+ public PooledObjects(final Supplier<E> creator, int maxPoolSize, Consumer<E> releaser) {
+ if (creator == null) {
+ throw new NullPointerException("Creator must not be null");
+ }
+ if (maxPoolSize <= 0) {
+ throw new IllegalArgumentException("Max pool size must be greater-than 0");
+ }
+
+ this.queue = new ArrayDeque<>(maxPoolSize);
+ this.maxPoolSize = maxPoolSize;
+ this.creator = creator;
+ this.releaser = releaser;
+ }
+
+ public AutoReleased acquireCleaner(Object holder) {
+ return acquireCleaner(holder, this::release);
+ }
+
+ public AutoReleased acquireCleaner(Object holder, Consumer<E> releaser) {
+ E resource = acquire();
+ Runnable cleaner = MCUtil.registerCleaner(holder, resource, releaser);
+ return new AutoReleased(resource, cleaner);
+ }
+
+ public final E acquire() {
+ E value;
+ synchronized (queue) {
+ value = this.queue.pollLast();
+ }
+ return value != null ? value : this.creator.get();
+ }
+
+ public final void release(final E value) {
+ if (this.releaser != null) {
+ this.releaser.accept(value);
+ }
+ synchronized (this.queue) {
+ if (queue.size() < this.maxPoolSize) {
+ this.queue.addLast(value);
+ }
+ }
+ }
+}
diff --git a/src/main/java/com/destroystokyo/paper/util/set/OptimizedSmallEnumSet.java b/src/main/java/com/destroystokyo/paper/util/set/OptimizedSmallEnumSet.java
new file mode 100644
index 0000000000000000000000000000000000000000..9df0006c1a283f77c4d01d9fce9062fc1c9bbb1f
--- /dev/null
+++ b/src/main/java/com/destroystokyo/paper/util/set/OptimizedSmallEnumSet.java
@@ -0,0 +1,67 @@
+package com.destroystokyo.paper.util.set;
+
+import java.util.Collection;
+
+/**
+ * @author Spottedleaf <Spottedleaf@users.noreply.github.com>
+ */
+public final class OptimizedSmallEnumSet<E extends Enum<E>> {
+
+ private final Class<E> enumClass;
+ private long backingSet;
+
+ public OptimizedSmallEnumSet(final Class<E> clazz) {
+ if (clazz == null) {
+ throw new IllegalArgumentException("Null class");
+ }
+ if (!clazz.isEnum()) {
+ throw new IllegalArgumentException("Class must be enum, not " + clazz.getCanonicalName());
+ }
+ this.enumClass = clazz;
+ }
+
+ public boolean addUnchecked(final E element) {
+ final int ordinal = element.ordinal();
+ final long key = 1L << ordinal;
+
+ final long prev = this.backingSet;
+ this.backingSet = prev | key;
+
+ return (prev & key) == 0;
+ }
+
+ public boolean removeUnchecked(final E element) {
+ final int ordinal = element.ordinal();
+ final long key = 1L << ordinal;
+
+ final long prev = this.backingSet;
+ this.backingSet = prev & ~key;
+
+ return (prev & key) != 0;
+ }
+
+ public void clear() {
+ this.backingSet = 0L;
+ }
+
+ public int size() {
+ return Long.bitCount(this.backingSet);
+ }
+
+ public void addAllUnchecked(final Collection<E> enums) {
+ for (final E element : enums) {
+ if (element == null) {
+ throw new NullPointerException("Null element");
+ }
+ this.backingSet |= (1L << element.ordinal());
+ }
+ }
+
+ public long getBackingSet() {
+ return this.backingSet;
+ }
+
+ public boolean hasCommonElements(final OptimizedSmallEnumSet<E> other) {
+ return (other.backingSet & this.backingSet) != 0;
+ }
+}
diff --git a/src/main/java/net/minecraft/server/AxisAlignedBB.java b/src/main/java/net/minecraft/server/AxisAlignedBB.java
index 277d7a124e9a21803fe4d5a66fc0b311df2cfba7..02c09f39848399a86d46bd17569b4f01a7b5ab1f 100644
--- a/src/main/java/net/minecraft/server/AxisAlignedBB.java
+++ b/src/main/java/net/minecraft/server/AxisAlignedBB.java
@@ -190,10 +190,12 @@ public class AxisAlignedBB {
return this.d(vec3d.x, vec3d.y, vec3d.z);
}
+ public final boolean intersects(AxisAlignedBB axisalignedbb) { return this.c(axisalignedbb); } // Paper - OBFHELPER
public boolean c(AxisAlignedBB axisalignedbb) {
return this.a(axisalignedbb.minX, axisalignedbb.minY, axisalignedbb.minZ, axisalignedbb.maxX, axisalignedbb.maxY, axisalignedbb.maxZ);
}
+ public final boolean intersects(double d0, double d1, double d2, double d3, double d4, double d5) { return a(d0, d1, d2, d3, d4, d5); } // Paper - OBFHELPER
public boolean a(double d0, double d1, double d2, double d3, double d4, double d5) {
return this.minX < d3 && this.maxX > d0 && this.minY < d4 && this.maxY > d1 && this.minZ < d5 && this.maxZ > d2;
}
@@ -206,6 +208,7 @@ public class AxisAlignedBB {
return d0 >= this.minX && d0 < this.maxX && d1 >= this.minY && d1 < this.maxY && d2 >= this.minZ && d2 < this.maxZ;
}
+ public final double getAverageSideLength(){return a();} // Paper - OBFHELPER
public double a() {
double d0 = this.b();
double d1 = this.c();
diff --git a/src/main/java/net/minecraft/server/BaseBlockPosition.java b/src/main/java/net/minecraft/server/BaseBlockPosition.java
index ff4b23927bb0e0ac8221d71fe2543cbee54f913a..ee28d0335418a0053f8448ab5e12ebba5a9a3b2d 100644
--- a/src/main/java/net/minecraft/server/BaseBlockPosition.java
+++ b/src/main/java/net/minecraft/server/BaseBlockPosition.java
@@ -98,6 +98,7 @@ public class BaseBlockPosition implements Comparable<BaseBlockPosition> {
return this.distanceSquared(iposition.getX(), iposition.getY(), iposition.getZ(), true) < d0 * d0;
}
+ public final double distanceSquared(BaseBlockPosition baseblockposition) { return j(baseblockposition); } // Paper - OBFHELPER
public double j(BaseBlockPosition baseblockposition) {
return this.distanceSquared((double) baseblockposition.getX(), (double) baseblockposition.getY(), (double) baseblockposition.getZ(), true);
}
diff --git a/src/main/java/net/minecraft/server/BlockAccessAir.java b/src/main/java/net/minecraft/server/BlockAccessAir.java
index eff6ebcd30b538cbaedaa031a46a59ea956253ba..30cbfc8eac20910aa55951e3dce63862f5a43c37 100644
--- a/src/main/java/net/minecraft/server/BlockAccessAir.java
+++ b/src/main/java/net/minecraft/server/BlockAccessAir.java
@@ -14,6 +14,18 @@ public enum BlockAccessAir implements IBlockAccess {
return null;
}
+ // Paper start - If loaded util
+ @Override
+ public Fluid getFluidIfLoaded(BlockPosition blockposition) {
+ return this.getFluid(blockposition);
+ }
+
+ @Override
+ public IBlockData getTypeIfLoaded(BlockPosition blockposition) {
+ return this.getType(blockposition);
+ }
+ // Paper end
+
@Override
public IBlockData getType(BlockPosition blockposition) {
return Blocks.AIR.getBlockData();
diff --git a/src/main/java/net/minecraft/server/BlockBase.java b/src/main/java/net/minecraft/server/BlockBase.java
index 47324feca49786b49563d3d0e854e74ad27c190b..26d446077bb563ca3c5bb0339695b3364a3e41bf 100644
--- a/src/main/java/net/minecraft/server/BlockBase.java
+++ b/src/main/java/net/minecraft/server/BlockBase.java
@@ -632,6 +632,7 @@ public abstract class BlockBase {
return this.a != null ? this.a.e : Block.a(this.getCollisionShape(iblockaccess, blockposition));
}
+ public IBlockData getBlockData() { return p(); } // Paper - OBFHELPER
protected abstract IBlockData p();
public boolean isAlwaysDestroyable() {
diff --git a/src/main/java/net/minecraft/server/BlockPosition.java b/src/main/java/net/minecraft/server/BlockPosition.java
index 886b43e2b8f21c358b4d6785c677f14c91d191f3..f1ad6ad22a59b28d2e8aeb2c0f4c21bce6070bc5 100644
--- a/src/main/java/net/minecraft/server/BlockPosition.java
+++ b/src/main/java/net/minecraft/server/BlockPosition.java
@@ -98,6 +98,7 @@ public class BlockPosition extends BaseBlockPosition {
return d0 == 0.0D && d1 == 0.0D && d2 == 0.0D ? this : new BlockPosition((double) this.getX() + d0, (double) this.getY() + d1, (double) this.getZ() + d2);
}
+ public BlockPosition add(int i, int j, int k) {return b(i, j, k);} // Paper - OBFHELPER
public BlockPosition b(int i, int j, int k) {
return i == 0 && j == 0 && k == 0 ? this : new BlockPosition(this.getX() + i, this.getY() + j, this.getZ() + k);
}
@@ -188,6 +189,8 @@ public class BlockPosition extends BaseBlockPosition {
return new BlockPosition(this.getY() * baseblockposition.getZ() - this.getZ() * baseblockposition.getY(), this.getZ() * baseblockposition.getX() - this.getX() * baseblockposition.getZ(), this.getX() * baseblockposition.getY() - this.getY() * baseblockposition.getX());
}
+ @Deprecated // We'll replace this...
+ public BlockPosition asImmutable() { return immutableCopy(); } // Paper - OBFHELPER
public BlockPosition immutableCopy() {
return this;
}
@@ -368,6 +371,7 @@ public class BlockPosition extends BaseBlockPosition {
return super.a(enumblockrotation).immutableCopy();
}
+ public BlockPosition.MutableBlockPosition setValues(int i, int j, int k) { return d(i, j, k);} // Paper - OBFHELPER
public BlockPosition.MutableBlockPosition d(int i, int j, int k) {
this.o(i);
this.p(j);
@@ -375,6 +379,7 @@ public class BlockPosition extends BaseBlockPosition {
return this;
}
+ public BlockPosition.MutableBlockPosition setValues(double d0, double d1, double d2) { return c(d0, d1, d2);} // Paper - OBFHELPER
public BlockPosition.MutableBlockPosition c(double d0, double d1, double d2) {
return this.d(MathHelper.floor(d0), MathHelper.floor(d1), MathHelper.floor(d2));
}
@@ -424,16 +429,19 @@ public class BlockPosition extends BaseBlockPosition {
}
}
+ public final void setX(final int x) { super.o(x); } // Paper - OBFHELPER
@Override
public void o(int i) {
super.o(i);
}
+ public final void setY(final int y) { super.p(y); } // Paper - OBFHELPER
@Override
public void p(int i) {
super.p(i);
}
+ public final void setZ(final int z) { super.q(z); } // Paper - OBFHELPER
@Override
public void q(int i) {
super.q(i);
@@ -444,4 +452,13 @@ public class BlockPosition extends BaseBlockPosition {
return new BlockPosition(this);
}
}
+
+ // Paper start
+ public static class PooledBlockPosition extends BlockPosition.MutableBlockPosition implements AutoCloseable {
+ @Deprecated
+ public void close() {}
+ @Deprecated
+ public static BlockPosition.PooledBlockPosition acquire() { return new PooledBlockPosition(); }
+ }
+ // Paper end
}
diff --git a/src/main/java/net/minecraft/server/Chunk.java b/src/main/java/net/minecraft/server/Chunk.java
index 3cdcdc60df4f28197cf19c59ea42a92ae4af3819..7c7826cf3adb19814984ab627e4c4726d8933244 100644
--- a/src/main/java/net/minecraft/server/Chunk.java
+++ b/src/main/java/net/minecraft/server/Chunk.java
@@ -26,7 +26,7 @@ public class Chunk implements IChunkAccess {
private static final Logger LOGGER = LogManager.getLogger();
@Nullable
- public static final ChunkSection a = null;
+ public static final ChunkSection a = null; public static final ChunkSection EMPTY_CHUNK_SECTION = a; // Paper - OBFHELPER
private final ChunkSection[] sections;
private BiomeStorage d;
private final Map<BlockPosition, NBTTagCompound> e;
@@ -49,7 +49,7 @@ public class Chunk implements IChunkAccess {
private Supplier<PlayerChunk.State> u;
@Nullable
private Consumer<Chunk> v;
- private final ChunkCoordIntPair loc;
+ private final ChunkCoordIntPair loc; public final long coordinateKey; // Paper - cache coordinate key
private volatile boolean x;
public Chunk(World world, ChunkCoordIntPair chunkcoordintpair, BiomeStorage biomestorage) {
@@ -66,7 +66,7 @@ public class Chunk implements IChunkAccess {
this.n = new ShortList[16];
this.entitySlices = (List[]) (new List[16]); // Spigot
this.world = (WorldServer) world; // CraftBukkit - type
- this.loc = chunkcoordintpair;
+ this.loc = chunkcoordintpair; this.coordinateKey = MCUtil.getCoordinateKey(chunkcoordintpair); // Paper - cache coordinate key
this.i = chunkconverter;
HeightMap.Type[] aheightmap_type = HeightMap.Type.values();
int j = aheightmap_type.length;
@@ -109,6 +109,110 @@ public class Chunk implements IChunkAccess {
public boolean needsDecoration;
// CraftBukkit end
+ // Paper start
+ public final com.destroystokyo.paper.util.maplist.EntityList entities = new com.destroystokyo.paper.util.maplist.EntityList();
+ public PlayerChunk playerChunk;
+
+ static final int NEIGHBOUR_CACHE_RADIUS = 3;
+ public static int getNeighbourCacheRadius() {
+ return NEIGHBOUR_CACHE_RADIUS;
+ }
+
+ boolean loadedTicketLevel;
+ private long neighbourChunksLoadedBitset;
+ private final Chunk[] loadedNeighbourChunks = new Chunk[(NEIGHBOUR_CACHE_RADIUS * 2 + 1) * (NEIGHBOUR_CACHE_RADIUS * 2 + 1)];
+
+ private static int getNeighbourIndex(final int relativeX, final int relativeZ) {
+ // index = (relativeX + NEIGHBOUR_CACHE_RADIUS) + (relativeZ + NEIGHBOUR_CACHE_RADIUS) * (NEIGHBOUR_CACHE_RADIUS * 2 + 1)
+ // optimised variant of the above by moving some of the ops to compile time
+ return relativeX + (relativeZ * (NEIGHBOUR_CACHE_RADIUS * 2 + 1)) + (NEIGHBOUR_CACHE_RADIUS + NEIGHBOUR_CACHE_RADIUS * ((NEIGHBOUR_CACHE_RADIUS * 2 + 1)));
+ }
+
+ public final Chunk getRelativeNeighbourIfLoaded(final int relativeX, final int relativeZ) {
+ return this.loadedNeighbourChunks[getNeighbourIndex(relativeX, relativeZ)];
+ }
+
+ public final boolean isNeighbourLoaded(final int relativeX, final int relativeZ) {
+ return (this.neighbourChunksLoadedBitset & (1L << getNeighbourIndex(relativeX, relativeZ))) != 0;
+ }
+
+ public final void setNeighbourLoaded(final int relativeX, final int relativeZ, final Chunk chunk) {
+ if (chunk == null) {
+ throw new IllegalArgumentException("Chunk must be non-null, neighbour: (" + relativeX + "," + relativeZ + "), chunk: " + this.loc);
+ }
+ final long before = this.neighbourChunksLoadedBitset;
+ final int index = getNeighbourIndex(relativeX, relativeZ);
+ this.loadedNeighbourChunks[index] = chunk;
+ this.neighbourChunksLoadedBitset |= (1L << index);
+ this.onNeighbourChange(before, this.neighbourChunksLoadedBitset);
+ }
+
+ public final void setNeighbourUnloaded(final int relativeX, final int relativeZ) {
+ final long before = this.neighbourChunksLoadedBitset;
+ final int index = getNeighbourIndex(relativeX, relativeZ);
+ this.loadedNeighbourChunks[index] = null;
+ this.neighbourChunksLoadedBitset &= ~(1L << index);
+ this.onNeighbourChange(before, this.neighbourChunksLoadedBitset);
+ }
+
+ public final void resetNeighbours() {
+ final long before = this.neighbourChunksLoadedBitset;
+ this.neighbourChunksLoadedBitset = 0L;
+ java.util.Arrays.fill(this.loadedNeighbourChunks, null);
+ this.onNeighbourChange(before, 0L);
+ }
+
+ protected void onNeighbourChange(final long bitsetBefore, final long bitsetAfter) {
+
+ }
+
+ public final boolean isAnyNeighborsLoaded() {
+ return neighbourChunksLoadedBitset != 0;
+ }
+ public final boolean areNeighboursLoaded(final int radius) {
+ return Chunk.areNeighboursLoaded(this.neighbourChunksLoadedBitset, radius);
+ }
+
+ public static boolean areNeighboursLoaded(final long bitset, final int radius) {
+ // index = relativeX + (relativeZ * (NEIGHBOUR_CACHE_RADIUS * 2 + 1)) + (NEIGHBOUR_CACHE_RADIUS + NEIGHBOUR_CACHE_RADIUS * ((NEIGHBOUR_CACHE_RADIUS * 2 + 1)))
+ switch (radius) {
+ case 0: {
+ return (bitset & (1L << getNeighbourIndex(0, 0))) != 0;
+ }
+ case 1: {
+ long mask = 0L;
+ for (int dx = -1; dx <= 1; ++dx) {
+ for (int dz = -1; dz <= 1; ++dz) {
+ mask |= (1L << getNeighbourIndex(dx, dz));
+ }
+ }
+ return (bitset & mask) == mask;
+ }
+ case 2: {
+ long mask = 0L;
+ for (int dx = -2; dx <= 2; ++dx) {
+ for (int dz = -2; dz <= 2; ++dz) {
+ mask |= (1L << getNeighbourIndex(dx, dz));
+ }
+ }
+ return (bitset & mask) == mask;
+ }
+ case 3: {
+ long mask = 0L;
+ for (int dx = -3; dx <= 3; ++dx) {
+ for (int dz = -3; dz <= 3; ++dz) {
+ mask |= (1L << getNeighbourIndex(dx, dz));
+ }
+ }
+ return (bitset & mask) == mask;
+ }
+
+ default:
+ throw new IllegalArgumentException("Radius not recognized: " + radius);
+ }
+ }
+ // Paper end
+
public Chunk(World world, ProtoChunk protochunk) {
this(world, protochunk.getPos(), protochunk.getBiomeIndex(), protochunk.p(), protochunk.n(), protochunk.o(), protochunk.getInhabitedTime(), protochunk.getSections(), (Consumer) null);
Iterator iterator = protochunk.y().iterator();
@@ -214,6 +318,18 @@ public class Chunk implements IChunkAccess {
}
}
+ // Paper start - If loaded util
+ @Override
+ public Fluid getFluidIfLoaded(BlockPosition blockposition) {
+ return this.getFluid(blockposition);
+ }
+
+ @Override
+ public IBlockData getTypeIfLoaded(BlockPosition blockposition) {
+ return this.getType(blockposition);
+ }
+ // Paper end
+
@Override
public Fluid getFluid(BlockPosition blockposition) {
return this.a(blockposition.getX(), blockposition.getY(), blockposition.getZ());
@@ -353,6 +469,7 @@ public class Chunk implements IChunkAccess {
entity.chunkX = this.loc.x;
entity.chunkY = k;
entity.chunkZ = this.loc.z;
+ this.entities.add(entity); // Paper - per chunk entity list
this.entitySlices[k].add(entity);
}
@@ -375,6 +492,7 @@ public class Chunk implements IChunkAccess {
}
this.entitySlices[i].remove(entity);
+ this.entities.remove(entity); // Paper
}
@Override
@@ -396,6 +514,7 @@ public class Chunk implements IChunkAccess {
return this.a(blockposition, Chunk.EnumTileEntityState.CHECK);
}
+ @Nullable public final TileEntity getTileEntityImmediately(BlockPosition pos) { return this.a(pos, EnumTileEntityState.IMMEDIATE); } // Paper - OBFHELPER
@Nullable
public TileEntity a(BlockPosition blockposition, Chunk.EnumTileEntityState chunk_enumtileentitystate) {
// CraftBukkit start
@@ -507,7 +626,25 @@ public class Chunk implements IChunkAccess {
// CraftBukkit start
public void loadCallback() {
+ // Paper start - neighbour cache
+ int chunkX = this.loc.x;
+ int chunkZ = this.loc.z;
+ ChunkProviderServer chunkProvider = ((WorldServer)this.world).getChunkProvider();
+ for (int dx = -NEIGHBOUR_CACHE_RADIUS; dx <= NEIGHBOUR_CACHE_RADIUS; ++dx) {
+ for (int dz = -NEIGHBOUR_CACHE_RADIUS; dz <= NEIGHBOUR_CACHE_RADIUS; ++dz) {
+ Chunk neighbour = chunkProvider.getChunkAtIfLoadedMainThreadNoCache(chunkX + dx, chunkZ + dz);
+ if (neighbour != null) {
+ neighbour.setNeighbourLoaded(-dx, -dz, this);
+ // should be in cached already
+ this.setNeighbourLoaded(dx, dz, neighbour);
+ }
+ }
+ }
+ this.setNeighbourLoaded(0, 0, this);
+ this.loadedTicketLevel = true;
+ // Paper end - neighbour cache
org.bukkit.Server server = this.world.getServer();
+ ((WorldServer)this.world).getChunkProvider().addLoadedChunk(this); // Paper
if (server != null) {
/*
* If it's a new world, the first few chunks are generated inside
@@ -546,6 +683,22 @@ public class Chunk implements IChunkAccess {
server.getPluginManager().callEvent(unloadEvent);
// note: saving can be prevented, but not forced if no saving is actually required
this.mustNotSave = !unloadEvent.isSaveChunk();
+ ((WorldServer)this.world).getChunkProvider().removeLoadedChunk(this); // Paper
+ // Paper start - neighbour cache
+ int chunkX = this.loc.x;
+ int chunkZ = this.loc.z;
+ ChunkProviderServer chunkProvider = ((WorldServer)this.world).getChunkProvider();
+ for (int dx = -NEIGHBOUR_CACHE_RADIUS; dx <= NEIGHBOUR_CACHE_RADIUS; ++dx) {
+ for (int dz = -NEIGHBOUR_CACHE_RADIUS; dz <= NEIGHBOUR_CACHE_RADIUS; ++dz) {
+ Chunk neighbour = chunkProvider.getChunkAtIfLoadedMainThreadNoCache(chunkX + dx, chunkZ + dz);
+ if (neighbour != null) {
+ neighbour.setNeighbourUnloaded(-dx, -dz);
+ }
+ }
+ }
+ this.loadedTicketLevel = false;
+ this.resetNeighbours();
+ // Paper end
}
// CraftBukkit end
diff --git a/src/main/java/net/minecraft/server/ChunkCache.java b/src/main/java/net/minecraft/server/ChunkCache.java
index b703382204a3ccd57e642cff18c7c28fef157cc0..8eecdcde510661ec3a13a25a04ba394f6b6dc012 100644
--- a/src/main/java/net/minecraft/server/ChunkCache.java
+++ b/src/main/java/net/minecraft/server/ChunkCache.java
@@ -10,7 +10,7 @@ public class ChunkCache implements IBlockAccess, ICollisionAccess {
protected final int b;
protected final IChunkAccess[][] c;
protected boolean d;
- protected final World e;
+ protected final World e; protected final World getWorld() { return e; } // Paper - OBFHELPER
public ChunkCache(World world, BlockPosition blockposition, BlockPosition blockposition1) {
this.e = world;
@@ -29,7 +29,7 @@ public class ChunkCache implements IBlockAccess, ICollisionAccess {
for (k = this.a; k <= i; ++k) {
for (l = this.b; l <= j; ++l) {
- this.c[k - this.a][l - this.b] = ichunkprovider.a(k, l);
+ this.c[k - this.a][l - this.b] = ((WorldServer)world).getChunkProvider().getChunkAtIfLoadedMainThreadNoCache(k, l); // Paper
}
}
@@ -54,7 +54,7 @@ public class ChunkCache implements IBlockAccess, ICollisionAccess {
int k = i - this.a;
int l = j - this.b;
- if (k >= 0 && k < this.c.length && l >= 0 && l < this.c[k].length) {
+ if (k >= 0 && k < this.c.length && l >= 0 && l < this.c[k].length) { // Paper - if this changes, update getChunkIfLoaded below
IChunkAccess ichunkaccess = this.c[k][l];
return (IChunkAccess) (ichunkaccess != null ? ichunkaccess : new ChunkEmpty(this.e, new ChunkCoordIntPair(i, j)));
@@ -73,6 +73,29 @@ public class ChunkCache implements IBlockAccess, ICollisionAccess {
return this.a(i, j);
}
+ // Paper start - if loaded util
+ private IChunkAccess getChunkIfLoaded(int x, int z) {
+ int k = x - this.a;
+ int l = z - this.b;
+
+ if (k >= 0 && k < this.c.length && l >= 0 && l < this.c[k].length) {
+ return this.c[k][l];
+ }
+ return null;
+ }
+ @Override
+ public Fluid getFluidIfLoaded(BlockPosition blockposition) {
+ IChunkAccess chunk = getChunkIfLoaded(blockposition.getX() >> 4, blockposition.getZ() >> 4);
+ return chunk == null ? null : chunk.getFluid(blockposition);
+ }
+
+ @Override
+ public IBlockData getTypeIfLoaded(BlockPosition blockposition) {
+ IChunkAccess chunk = getChunkIfLoaded(blockposition.getX() >> 4, blockposition.getZ() >> 4);
+ return chunk == null ? null : chunk.getType(blockposition);
+ }
+ // Paper end
+
@Nullable
@Override
public TileEntity getTileEntity(BlockPosition blockposition) {
diff --git a/src/main/java/net/minecraft/server/ChunkCoordIntPair.java b/src/main/java/net/minecraft/server/ChunkCoordIntPair.java
index 2837823547bdc9655376af3af89c43d84719d513..35b8a85d1280ba3be757b14b14388954ac1617d4 100644
--- a/src/main/java/net/minecraft/server/ChunkCoordIntPair.java
+++ b/src/main/java/net/minecraft/server/ChunkCoordIntPair.java
@@ -11,27 +11,33 @@ public class ChunkCoordIntPair {
public static final long a = pair(1875016, 1875016);
public final int x;
public final int z;
+ public final long longKey; // Paper
public ChunkCoordIntPair(int i, int j) {
this.x = i;
this.z = j;
+ this.longKey = pair(this.x, this.z); // Paper
}
public ChunkCoordIntPair(BlockPosition blockposition) {
this.x = blockposition.getX() >> 4;
this.z = blockposition.getZ() >> 4;
+ this.longKey = pair(this.x, this.z); // Paper
}
public ChunkCoordIntPair(long i) {
this.x = (int) i;
this.z = (int) (i >> 32);
+ this.longKey = pair(this.x, this.z); // Paper
}
public long pair() {
- return pair(this.x, this.z);
+ return longKey; // Paper
}
- public static long pair(int i, int j) {
+ public static long asLong(final BlockPosition pos) { return pair(pos.getX() >> 4, pos.getZ() >> 4); } // Paper - OBFHELPER
+ public static long asLong(int x, int z) { return pair(x, z); } // Paper - OBFHELPER
+ public static long pair(int i, int j) {
return (long) i & 4294967295L | ((long) j & 4294967295L) << 32;
}
diff --git a/src/main/java/net/minecraft/server/ChunkProviderServer.java b/src/main/java/net/minecraft/server/ChunkProviderServer.java
index 5585b5646b5f3650aa3b795be06f920699a85403..359441cd993a95f933f23aebcec8180f314a5f09 100644
--- a/src/main/java/net/minecraft/server/ChunkProviderServer.java
+++ b/src/main/java/net/minecraft/server/ChunkProviderServer.java
@@ -24,7 +24,7 @@ public class ChunkProviderServer extends IChunkProvider {
private final ChunkMapDistance chunkMapDistance;
public final ChunkGenerator chunkGenerator;
private final WorldServer world;
- private final Thread serverThread;
+ public final Thread serverThread; // Paper - private -> public
private final LightEngineThreaded lightEngine;
private final ChunkProviderServer.a serverThreadQueue;
public final PlayerChunkMap playerChunkMap;
@@ -37,6 +37,167 @@ public class ChunkProviderServer extends IChunkProvider {
private final IChunkAccess[] cacheChunk = new IChunkAccess[4];
@Nullable
private SpawnerCreature.d p;
+ // Paper start
+ final com.destroystokyo.paper.util.concurrent.WeakSeqLock loadedChunkMapSeqLock = new com.destroystokyo.paper.util.concurrent.WeakSeqLock();
+ final it.unimi.dsi.fastutil.longs.Long2ObjectOpenHashMap<Chunk> loadedChunkMap = new it.unimi.dsi.fastutil.longs.Long2ObjectOpenHashMap<>(8192, 0.5f);
+
+ private final Chunk[] lastLoadedChunks = new Chunk[4 * 4];
+ private final long[] lastLoadedChunkKeys = new long[4 * 4];
+
+ {
+ java.util.Arrays.fill(this.lastLoadedChunkKeys, MCUtil.INVALID_CHUNK_KEY);
+ }
+
+ private static int getCacheKey(int x, int z) {
+ return x & 3 | ((z & 3) << 2);
+ }
+
+ void addLoadedChunk(Chunk chunk) {
+ this.loadedChunkMapSeqLock.acquireWrite();
+ try {
+ this.loadedChunkMap.put(chunk.coordinateKey, chunk);
+ } finally {
+ this.loadedChunkMapSeqLock.releaseWrite();
+ }
+
+ // rewrite cache if we have to
+ // we do this since we also cache null chunks
+ int cacheKey = getCacheKey(chunk.getPos().x, chunk.getPos().z);
+
+ long cachedKey = this.lastLoadedChunkKeys[cacheKey];
+ if (cachedKey == chunk.coordinateKey) {
+ this.lastLoadedChunks[cacheKey] = chunk;
+ }
+ }
+
+ void removeLoadedChunk(Chunk chunk) {
+ this.loadedChunkMapSeqLock.acquireWrite();
+ try {
+ this.loadedChunkMap.remove(chunk.coordinateKey);
+ } finally {
+ this.loadedChunkMapSeqLock.releaseWrite();
+ }
+
+ // rewrite cache if we have to
+ // we do this since we also cache null chunks
+ int cacheKey = getCacheKey(chunk.getPos().x, chunk.getPos().z);
+
+ long cachedKey = this.lastLoadedChunkKeys[cacheKey];
+ if (cachedKey == chunk.coordinateKey) {
+ this.lastLoadedChunks[cacheKey] = null;
+ }
+ }
+
+ public Chunk getChunkAtIfLoadedMainThread(int x, int z) {
+ int cacheKey = getCacheKey(x, z);
+ long chunkKey = MCUtil.getCoordinateKey(x, z);
+
+ long cachedKey = this.lastLoadedChunkKeys[cacheKey];
+ if (cachedKey == chunkKey) {
+ return this.lastLoadedChunks[cacheKey];
+ }
+
+ Chunk ret = this.loadedChunkMap.get(chunkKey);
+
+ this.lastLoadedChunkKeys[cacheKey] = chunkKey;
+ this.lastLoadedChunks[cacheKey] = ret;
+
+ return ret;
+ }
+
+ public Chunk getChunkAtIfLoadedMainThreadNoCache(int x, int z) {
+ return this.loadedChunkMap.get(MCUtil.getCoordinateKey(x, z));
+ }
+
+ public Chunk getChunkAtMainThread(int x, int z) {
+ Chunk ret = this.getChunkAtIfLoadedMainThread(x, z);
+ if (ret != null) {
+ return ret;
+ }
+ return (Chunk)this.getChunkAt(x, z, ChunkStatus.FULL, true);
+ }
+
+ private long chunkFutureAwaitCounter;
+
+ public void getEntityTickingChunkAsync(int x, int z, java.util.function.Consumer<Chunk> onLoad) {
+ if (Thread.currentThread() != this.serverThread) {
+ this.serverThreadQueue.execute(() -> {
+ ChunkProviderServer.this.getEntityTickingChunkAsync(x, z, onLoad);
+ });
+ return;
+ }
+ this.getChunkFutureAsynchronously(x, z, 31, PlayerChunk::getEntityTickingFuture, onLoad);
+ }
+
+ public void getTickingChunkAsync(int x, int z, java.util.function.Consumer<Chunk> onLoad) {
+ if (Thread.currentThread() != this.serverThread) {
+ this.serverThreadQueue.execute(() -> {
+ ChunkProviderServer.this.getTickingChunkAsync(x, z, onLoad);
+ });
+ return;
+ }
+ this.getChunkFutureAsynchronously(x, z, 32, PlayerChunk::getTickingFuture, onLoad);
+ }
+
+ public void getFullChunkAsync(int x, int z, java.util.function.Consumer<Chunk> onLoad) {
+ if (Thread.currentThread() != this.serverThread) {
+ this.serverThreadQueue.execute(() -> {
+ ChunkProviderServer.this.getFullChunkAsync(x, z, onLoad);
+ });
+ return;
+ }
+ this.getChunkFutureAsynchronously(x, z, 33, PlayerChunk::getFullChunkFuture, onLoad);
+ }
+
+ private void getChunkFutureAsynchronously(int x, int z, int ticketLevel, Function<PlayerChunk, CompletableFuture<Either<Chunk, PlayerChunk.Failure>>> futureGet, java.util.function.Consumer<Chunk> onLoad) {
+ if (Thread.currentThread() != this.serverThread) {
+ throw new IllegalStateException();
+ }
+ ChunkCoordIntPair chunkPos = new ChunkCoordIntPair(x, z);
+ Long identifier = Long.valueOf(this.chunkFutureAwaitCounter++);
+ this.chunkMapDistance.addTicketAtLevel(TicketType.FUTURE_AWAIT, chunkPos, ticketLevel, identifier);
+ this.tickDistanceManager();
+
+ PlayerChunk chunk = this.playerChunkMap.getUpdatingChunk(chunkPos.pair());
+
+ if (chunk == null) {
+ throw new IllegalStateException("Expected playerchunk " + chunkPos + " in world '" + this.world.getWorld().getName() + "'");
+ }
+
+ CompletableFuture<Either<Chunk, PlayerChunk.Failure>> future = futureGet.apply(chunk);
+
+ future.whenCompleteAsync((either, throwable) -> {
+ try {
+ if (throwable != null) {
+ if (throwable instanceof ThreadDeath) {
+ throw (ThreadDeath)throwable;
+ }
+ MinecraftServer.LOGGER.fatal("Failed to complete future await for chunk " + chunkPos.toString() + " in world '" + ChunkProviderServer.this.world.getWorld().getName() + "'", throwable);
+ } else if (either.right().isPresent()) {
+ MinecraftServer.LOGGER.fatal("Failed to complete future await for chunk " + chunkPos.toString() + " in world '" + ChunkProviderServer.this.world.getWorld().getName() + "': " + either.right().get().toString());
+ }
+
+ try {
+ if (onLoad != null) {
+ playerChunkMap.callbackExecutor.execute(() -> {
+ onLoad.accept(either == null ? null : either.left().orElse(null)); // indicate failure to the callback.
+ });
+ }
+ } catch (Throwable thr) {
+ if (thr instanceof ThreadDeath) {
+ throw (ThreadDeath)thr;
+ }
+ MinecraftServer.LOGGER.fatal("Load callback for future await failed " + chunkPos.toString() + " in world '" + ChunkProviderServer.this.world.getWorld().getName() + "'", thr);
+ return;
+ }
+ } finally {
+ // due to odd behaviour with CB unload implementation we need to have these AFTER the load callback.
+ ChunkProviderServer.this.chunkMapDistance.addTicketAtLevel(TicketType.UNKNOWN, chunkPos, ticketLevel, chunkPos);
+ ChunkProviderServer.this.chunkMapDistance.removeTicketAtLevel(TicketType.FUTURE_AWAIT, chunkPos, ticketLevel, identifier);
+ }
+ }, this.serverThreadQueue);
+ }
+ // Paper end
public ChunkProviderServer(WorldServer worldserver, Convertable.ConversionSession convertable_conversionsession, DataFixer datafixer, DefinedStructureManager definedstructuremanager, Executor executor, ChunkGenerator chunkgenerator, int i, boolean flag, WorldLoadListener worldloadlistener, Supplier<WorldPersistentData> supplier) {
this.world = worldserver;
@@ -90,6 +251,49 @@ public class ChunkProviderServer extends IChunkProvider {
this.cacheChunk[0] = ichunkaccess;
}
+ // Paper start - "real" get chunk if loaded
+ // Note: Partially copied from the getChunkAt method below
+ @Nullable
+ public Chunk getChunkAtIfCachedImmediately(int x, int z) {
+ long k = ChunkCoordIntPair.pair(x, z);
+
+ // Note: Bypass cache since we need to check ticket level, and to make this MT-Safe
+
+ PlayerChunk playerChunk = this.getChunk(k);
+ if (playerChunk == null) {
+ return null;
+ }
+
+ return playerChunk.getFullChunkIfCached();
+ }
+
+ @Nullable
+ public Chunk getChunkAtIfLoadedImmediately(int x, int z) {
+ long k = ChunkCoordIntPair.pair(x, z);
+
+ if (Thread.currentThread() == this.serverThread) {
+ return this.getChunkAtIfLoadedMainThread(x, z);
+ }
+
+ Chunk ret = null;
+ long readlock;
+ do {
+ readlock = this.loadedChunkMapSeqLock.acquireRead();
+ try {
+ ret = this.loadedChunkMap.get(k);
+ } catch (Throwable thr) {
+ if (thr instanceof ThreadDeath) {
+ throw (ThreadDeath)thr;
+ }
+ // re-try, this means a CME occurred...
+ continue;
+ }
+ } while (!this.loadedChunkMapSeqLock.tryReleaseRead(readlock));
+
+ return ret;
+ }
+ // Paper end
+
@Nullable
@Override
public IChunkAccess getChunkAt(int i, int j, ChunkStatus chunkstatus, boolean flag) {
@@ -372,10 +576,9 @@ public class ChunkProviderServer extends IChunkProvider {
this.p = spawnercreature_d;
this.world.getMethodProfiler().exit();
- List<PlayerChunk> list = Lists.newArrayList(this.playerChunkMap.f());
-
- Collections.shuffle(list);
- list.forEach((playerchunk) -> {
+ //List<PlayerChunk> list = Lists.newArrayList(this.playerChunkMap.f()); // Paper
+ //Collections.shuffle(list); // Paper
+ this.playerChunkMap.f().forEach((playerchunk) -> { // Paper - no... just no...
Optional<Chunk> optional = ((Either) playerchunk.a().getNow(PlayerChunk.UNLOADED_CHUNK)).left();
if (optional.isPresent()) {
diff --git a/src/main/java/net/minecraft/server/ChunkSection.java b/src/main/java/net/minecraft/server/ChunkSection.java
index b0f7ea97d4795655b6c30b296fd929806dac4ef1..882c2733beaff1df68b892d44fc77cacf4364ff4 100644
--- a/src/main/java/net/minecraft/server/ChunkSection.java
+++ b/src/main/java/net/minecraft/server/ChunkSection.java
@@ -133,6 +133,7 @@ public class ChunkSection {
return this.blockIds;
}
+ public void writeChunkSection(PacketDataSerializer packetDataSerializer) { this.b(packetDataSerializer); } // Paper - OBFHELPER
public void b(PacketDataSerializer packetdataserializer) {
packetdataserializer.writeShort(this.nonEmptyBlockCount);
this.blockIds.b(packetdataserializer);
diff --git a/src/main/java/net/minecraft/server/DataBits.java b/src/main/java/net/minecraft/server/DataBits.java
index cd572c76522b2ee900a03fd5cf6753f3297c1ccd..2c3580c1c7bcd6afc83a45550c0f672a592e0c38 100644
--- a/src/main/java/net/minecraft/server/DataBits.java
+++ b/src/main/java/net/minecraft/server/DataBits.java
@@ -83,6 +83,7 @@ public class DataBits {
return (int) (k >> l & this.d);
}
+ public long[] getDataBits() { return this.a(); } // Paper - OBFHELPER
public long[] a() {
return this.b;
}
diff --git a/src/main/java/net/minecraft/server/DataPalette.java b/src/main/java/net/minecraft/server/DataPalette.java
index b7f4330bbe3b51e6792043cbd0c46c73aad457cb..75b721933ccbe8edc1cd7ea5cc4562214e26b66d 100644
--- a/src/main/java/net/minecraft/server/DataPalette.java
+++ b/src/main/java/net/minecraft/server/DataPalette.java
@@ -5,10 +5,12 @@ import javax.annotation.Nullable;
public interface DataPalette<T> {
+ default int getOrCreateIdFor(T object) { return this.a(object); } // Paper - OBFHELPER
int a(T t0);
boolean a(Predicate<T> predicate);
+ @Nullable default T getObject(int dataBits) { return this.a(dataBits); } // Paper - OBFHELPER
@Nullable
T a(int i);
diff --git a/src/main/java/net/minecraft/server/DataPaletteBlock.java b/src/main/java/net/minecraft/server/DataPaletteBlock.java
index 8856981da86219bdb036aa6246152f382ff8a818..4c6979903d287f7f37d9029f6ce2551742f26164 100644
--- a/src/main/java/net/minecraft/server/DataPaletteBlock.java
+++ b/src/main/java/net/minecraft/server/DataPaletteBlock.java
@@ -10,7 +10,7 @@ import java.util.stream.Collectors;
public class DataPaletteBlock<T> implements DataPaletteExpandable<T> {
- private final DataPalette<T> b;
+ private final DataPalette<T> b; private final DataPalette<T> getDataPaletteGlobal() { return this.b; } // Paper - OBFHELPER
private final DataPaletteExpandable<T> c = (i, object) -> {
return 0;
};
@@ -18,9 +18,9 @@ public class DataPaletteBlock<T> implements DataPaletteExpandable<T> {
private final Function<NBTTagCompound, T> e;
private final Function<T, NBTTagCompound> f;
private final T g;
- protected DataBits a;
- private DataPalette<T> h;
- private int i;
+ protected DataBits a; protected DataBits getDataBits() { return this.a; } // Paper - OBFHELPER
+ private DataPalette<T> h; private DataPalette<T> getDataPalette() { return this.h; } // Paper - OBFHELPER
+ private int i; private int getBitsPerObject() { return this.i; } // Paper - OBFHELPER
private final ReentrantLock j = new ReentrantLock();
public void a() {
@@ -55,6 +55,7 @@ public class DataPaletteBlock<T> implements DataPaletteExpandable<T> {
return j << 8 | k << 4 | i;
}
+ private void initialize(int bitsPerObject) { this.b(bitsPerObject); } // Paper - OBFHELPER
private void b(int i) {
if (i != this.i) {
this.i = i;
@@ -132,6 +133,7 @@ public class DataPaletteBlock<T> implements DataPaletteExpandable<T> {
return t0 == null ? this.g : t0;
}
+ public void writeDataPaletteBlock(PacketDataSerializer packetDataSerializer) { this.b(packetDataSerializer); } // Paper - OBFHELPER
public void b(PacketDataSerializer packetdataserializer) {
this.a();
packetdataserializer.writeByte(this.i);
diff --git a/src/main/java/net/minecraft/server/Entity.java b/src/main/java/net/minecraft/server/Entity.java
index 51499ef45faa2bba5f180ee333c09af73d3b708e..9da321fc0e02e4a2e47f515011df33714affd368 100644
--- a/src/main/java/net/minecraft/server/Entity.java
+++ b/src/main/java/net/minecraft/server/Entity.java
@@ -983,8 +983,9 @@ public abstract class Entity implements INamableTileEntity, ICommandListener {
}
- @Nullable
- public AxisAlignedBB ay() {
+
+ @Nullable public final AxisAlignedBB getCollisionBox(){return ay();} //Paper - OBFHELPER
+ @Nullable public AxisAlignedBB ay() {
return null;
}
@@ -1774,6 +1775,7 @@ public abstract class Entity implements INamableTileEntity, ICommandListener {
return EnumInteractionResult.PASS;
}
+ public final AxisAlignedBB getHardCollisionBox(Entity entity){ return j(entity);}//Paper - OBFHELPER
@Nullable
public AxisAlignedBB j(Entity entity) {
return null;
diff --git a/src/main/java/net/minecraft/server/EntityCreature.java b/src/main/java/net/minecraft/server/EntityCreature.java
index e83d587fd4feee1e36c18c49b98e669c09f5de20..c94197a50269622e8995685119bac984c45e6833 100644
--- a/src/main/java/net/minecraft/server/EntityCreature.java
+++ b/src/main/java/net/minecraft/server/EntityCreature.java
@@ -6,6 +6,8 @@ import org.bukkit.event.entity.EntityUnleashEvent;
public abstract class EntityCreature extends EntityInsentient {
+ public org.bukkit.craftbukkit.entity.CraftCreature getBukkitCreature() { return (org.bukkit.craftbukkit.entity.CraftCreature) super.getBukkitEntity(); } // Paper
+
protected EntityCreature(EntityTypes<? extends EntityCreature> entitytypes, World world) {
super(entitytypes, world);
}
diff --git a/src/main/java/net/minecraft/server/EntityInsentient.java b/src/main/java/net/minecraft/server/EntityInsentient.java
index b309d9a13b35f5c04c3a0f048e858df99d8ac617..e5455d99e3f5607a5754e5760d42853a62dddb82 100644
--- a/src/main/java/net/minecraft/server/EntityInsentient.java
+++ b/src/main/java/net/minecraft/server/EntityInsentient.java
@@ -160,6 +160,7 @@ public abstract class EntityInsentient extends EntityLiving {
return this.goalTarget;
}
+ public org.bukkit.craftbukkit.entity.CraftMob getBukkitMob() { return (org.bukkit.craftbukkit.entity.CraftMob) super.getBukkitEntity(); } // Paper
public void setGoalTarget(@Nullable EntityLiving entityliving) {
// CraftBukkit start - fire event
setGoalTarget(entityliving, EntityTargetEvent.TargetReason.UNKNOWN, true);
diff --git a/src/main/java/net/minecraft/server/EntityLiving.java b/src/main/java/net/minecraft/server/EntityLiving.java
index 8ff295ed373cc316e56e4a01a268f98b7b773bd5..dccb315440f7429fe881bd0d12af8f1ae8e35c3d 100644
--- a/src/main/java/net/minecraft/server/EntityLiving.java
+++ b/src/main/java/net/minecraft/server/EntityLiving.java
@@ -137,6 +137,7 @@ public abstract class EntityLiving extends Entity {
public boolean collides = true;
public Set<UUID> collidableExemptions = new HashSet<>();
public boolean canPickUpLoot;
+ public org.bukkit.craftbukkit.entity.CraftLivingEntity getBukkitLivingEntity() { return (org.bukkit.craftbukkit.entity.CraftLivingEntity) super.getBukkitEntity(); } // Paper
@Override
public float getBukkitYaw() {
diff --git a/src/main/java/net/minecraft/server/EntityMonster.java b/src/main/java/net/minecraft/server/EntityMonster.java
index fb0f281261455c9f127abd8d3b336135ad84fc27..ebdd990829edb8e423f482fa4352fe2d468efcba 100644
--- a/src/main/java/net/minecraft/server/EntityMonster.java
+++ b/src/main/java/net/minecraft/server/EntityMonster.java
@@ -5,6 +5,7 @@ import java.util.function.Predicate;
public abstract class EntityMonster extends EntityCreature implements IMonster {
+ public org.bukkit.craftbukkit.entity.CraftMonster getBukkitMonster() { return (org.bukkit.craftbukkit.entity.CraftMonster) super.getBukkitEntity(); } // Paper
protected EntityMonster(EntityTypes<? extends EntityMonster> entitytypes, World world) {
super(entitytypes, world);
this.f = 5;
diff --git a/src/main/java/net/minecraft/server/EntityPlayer.java b/src/main/java/net/minecraft/server/EntityPlayer.java
index a904dd6b19c4d0d60d824df41069c2d6ff85a70d..34cd93a30cc447b87625c099fec32f5befae934e 100644
--- a/src/main/java/net/minecraft/server/EntityPlayer.java
+++ b/src/main/java/net/minecraft/server/EntityPlayer.java
@@ -91,6 +91,8 @@ public class EntityPlayer extends EntityHuman implements ICrafting {
public Integer clientViewDistance;
// CraftBukkit end
+ public final com.destroystokyo.paper.util.misc.PooledLinkedHashSets.PooledObjectLinkedOpenHashSet<EntityPlayer> cachedSingleHashSet; // Paper
+
public EntityPlayer(MinecraftServer minecraftserver, WorldServer worldserver, GameProfile gameprofile, PlayerInteractManager playerinteractmanager) {
super(worldserver, worldserver.getSpawn(), gameprofile);
this.spawnDimension = World.OVERWORLD;
@@ -102,6 +104,8 @@ public class EntityPlayer extends EntityHuman implements ICrafting {
this.G = 1.0F;
this.b(worldserver);
+ this.cachedSingleHashSet = new com.destroystokyo.paper.util.misc.PooledLinkedHashSets.PooledObjectLinkedOpenHashSet<>(this); // Paper
+
// CraftBukkit start
this.displayName = this.getName();
this.canPickUpLoot = true;
diff --git a/src/main/java/net/minecraft/server/EntityTypes.java b/src/main/java/net/minecraft/server/EntityTypes.java
index 484e78746aa62bb0b12968165bf8e056b27152f3..9a772e40ad8f9858e6278b99d9d1ff5dc54513cb 100644
--- a/src/main/java/net/minecraft/server/EntityTypes.java
+++ b/src/main/java/net/minecraft/server/EntityTypes.java
@@ -3,6 +3,7 @@ package net.minecraft.server;
import com.google.common.collect.ImmutableSet;
import java.util.Optional;
import java.util.Set; // Paper
+import java.util.Map; // Paper
import java.util.UUID;
import java.util.function.Function;
import java.util.stream.Stream;
@@ -305,8 +306,8 @@ public class EntityTypes<T extends Entity> {
return this.bq.height;
}
- @Nullable
- public T a(World world) {
+ public T create(World world) { return this.a(world); } // Paper - OBFHELPER
+ @Nullable public T a(World world) { // Paper - OBFHELPER
return this.be.create(this, world);
}
diff --git a/src/main/java/net/minecraft/server/IAsyncTaskHandler.java b/src/main/java/net/minecraft/server/IAsyncTaskHandler.java
index b77a0f0c2ee30df44b113aa6c8d4fa9206d3e2ba..1ba26ee10f338edbec0f580bb55d083a3d6d2284 100644
--- a/src/main/java/net/minecraft/server/IAsyncTaskHandler.java
+++ b/src/main/java/net/minecraft/server/IAsyncTaskHandler.java
@@ -68,6 +68,15 @@ public abstract class IAsyncTaskHandler<R extends Runnable> implements Mailbox<R
}
+ // Paper start
+ public void scheduleOnMain(Runnable r0) {
+ // postToMainThread does not work the same as older versions of mc
+ // This method is actually used to create a TickTask, which can then be posted onto main
+ this.addTask(this.postToMainThread(r0));
+ }
+ // Paper end
+
+ public void addTask(R r0) { a(r0); }; // Paper - OBFHELPER
public void a(R r0) {
this.d.add(r0);
LockSupport.unpark(this.getThread());
diff --git a/src/main/java/net/minecraft/server/IBlockAccess.java b/src/main/java/net/minecraft/server/IBlockAccess.java
index 33238e2ac98e2add810ac21e40714cc2f43ac389..077fcb67f6248156aaebe7545e370ade4311b9e4 100644
--- a/src/main/java/net/minecraft/server/IBlockAccess.java
+++ b/src/main/java/net/minecraft/server/IBlockAccess.java
@@ -10,10 +10,24 @@ public interface IBlockAccess {
@Nullable
TileEntity getTileEntity(BlockPosition blockposition);
+ IBlockData getTypeIfLoaded(BlockPosition blockposition); // Paper - if loaded util
IBlockData getType(BlockPosition blockposition);
+ Fluid getFluidIfLoaded(BlockPosition blockposition); // Paper - if loaded util
Fluid getFluid(BlockPosition blockposition);
+ // Paper start - if loaded util
+ default Material getMaterialIfLoaded(BlockPosition blockposition) {
+ IBlockData type = this.getTypeIfLoaded(blockposition);
+ return type == null ? null : type.getMaterial();
+ }
+
+ default Block getBlockIfLoaded(BlockPosition blockposition) {
+ IBlockData type = this.getTypeIfLoaded(blockposition);
+ return type == null ? null : type.getBlock();
+ }
+ // Paper end
+
default int h(BlockPosition blockposition) {
return this.getType(blockposition).f();
}
diff --git a/src/main/java/net/minecraft/server/IOWorker.java b/src/main/java/net/minecraft/server/IOWorker.java
index 38ccfd78639a85abcefb915c5c231be5881cebc1..8668b8f3941f37a7bc30a55c33baf74bd8ac49e3 100644
--- a/src/main/java/net/minecraft/server/IOWorker.java
+++ b/src/main/java/net/minecraft/server/IOWorker.java
@@ -21,7 +21,7 @@ public class IOWorker implements AutoCloseable {
private static final Logger LOGGER = LogManager.getLogger();
private final AtomicBoolean b = new AtomicBoolean();
private final ThreadedMailbox<PairedQueue.b> c;
- private final RegionFileCache d;
+ private final RegionFileCache d;public RegionFileCache getRegionFileCache() { return d; } // Paper - OBFHELPER
private final Map<ChunkCoordIntPair, IOWorker.a> e = Maps.newLinkedHashMap();
protected IOWorker(File file, boolean flag, String s) {
diff --git a/src/main/java/net/minecraft/server/IWorldReader.java b/src/main/java/net/minecraft/server/IWorldReader.java
index 284283c5f062107df88e77edaf092cf23302a109..b6d6905260cdd32873010f24ef5a3505e66159be 100644
--- a/src/main/java/net/minecraft/server/IWorldReader.java
+++ b/src/main/java/net/minecraft/server/IWorldReader.java
@@ -5,6 +5,7 @@ import javax.annotation.Nullable;
public interface IWorldReader extends IBlockLightAccess, ICollisionAccess, BiomeManager.Provider {
+ @Nullable IChunkAccess getChunkIfLoadedImmediately(int x, int z); // Paper - ifLoaded api (we need this since current impl blocks if the chunk is loading)
@Nullable
IChunkAccess getChunkAt(int i, int j, ChunkStatus chunkstatus, boolean flag);
diff --git a/src/main/java/net/minecraft/server/ItemStack.java b/src/main/java/net/minecraft/server/ItemStack.java
index 020b6e6e12d0e5840337c61e165deef942a01ed2..63842d5d1a5b8e3ec95cec13392245b43e153cf8 100644
--- a/src/main/java/net/minecraft/server/ItemStack.java
+++ b/src/main/java/net/minecraft/server/ItemStack.java
@@ -49,7 +49,7 @@ public final class ItemStack {
})).apply(instance, ItemStack::new);
});
private static final Logger LOGGER = LogManager.getLogger();
- public static final ItemStack b = new ItemStack((Item) null);
+ public static final ItemStack b = new ItemStack((Item) null);public static final ItemStack NULL_ITEM = b; // Paper - OBFHELPER
public static final DecimalFormat c = (DecimalFormat) SystemUtils.a((new DecimalFormat("#.##")), (decimalformat) -> { // CraftBukkit - decompile error
decimalformat.setDecimalFormatSymbols(DecimalFormatSymbols.getInstance(Locale.ROOT));
});
@@ -606,6 +606,24 @@ public final class ItemStack {
return this.tag != null ? this.tag.getList("Enchantments", 10) : new NBTTagList();
}
+ // Paper start - (this is just a good no conflict location)
+ public org.bukkit.inventory.ItemStack asBukkitMirror() {
+ return CraftItemStack.asCraftMirror(this);
+ }
+ public org.bukkit.inventory.ItemStack asBukkitCopy() {
+ return CraftItemStack.asCraftMirror(this.cloneItemStack());
+ }
+ public static ItemStack fromBukkitCopy(org.bukkit.inventory.ItemStack itemstack) {
+ return CraftItemStack.asNMSCopy(itemstack);
+ }
+ private org.bukkit.craftbukkit.inventory.CraftItemStack bukkitStack;
+ public org.bukkit.inventory.ItemStack getBukkitStack() {
+ if (bukkitStack == null || bukkitStack.getHandle() != this) {
+ bukkitStack = org.bukkit.craftbukkit.inventory.CraftItemStack.asCraftMirror(this);
+ }
+ return bukkitStack;
+ }
+ // Paper end
public void setTag(@Nullable NBTTagCompound nbttagcompound) {
this.tag = nbttagcompound;
if (this.getItem().usesDurability()) {
@@ -698,6 +716,7 @@ public final class ItemStack {
return this.tag != null && this.tag.hasKeyOfType("Enchantments", 9) ? !this.tag.getList("Enchantments", 10).isEmpty() : false;
}
+ public void getOrCreateTagAndSet(String s, NBTBase nbtbase) { a(s, nbtbase);} // Paper - OBFHELPER
public void a(String s, NBTBase nbtbase) {
this.getOrCreateTag().set(s, nbtbase);
}
@@ -783,6 +802,7 @@ public final class ItemStack {
// CraftBukkit start
@Deprecated
public void setItem(Item item) {
+ this.bukkitStack = null; // Paper
this.item = item;
}
// CraftBukkit end
diff --git a/src/main/java/net/minecraft/server/MCUtil.java b/src/main/java/net/minecraft/server/MCUtil.java
new file mode 100644
index 0000000000000000000000000000000000000000..da7a325d070e194cd1664ed20dcb3a762c9a517a
--- /dev/null
+++ b/src/main/java/net/minecraft/server/MCUtil.java
@@ -0,0 +1,502 @@
+package net.minecraft.server;
+
+import com.destroystokyo.paper.block.TargetBlockInfo;
+import com.google.common.util.concurrent.ThreadFactoryBuilder;
+import org.apache.commons.lang.exception.ExceptionUtils;
+import org.bukkit.Location;
+import org.bukkit.block.BlockFace;
+import org.bukkit.craftbukkit.CraftWorld;
+import org.bukkit.craftbukkit.util.Waitable;
+import org.spigotmc.AsyncCatcher;
+
+import javax.annotation.Nonnull;
+import javax.annotation.Nullable;
+import java.util.List;
+import java.util.Queue;
+import java.util.concurrent.CompletableFuture;
+import java.util.concurrent.ExecutionException;
+import java.util.concurrent.LinkedBlockingQueue;
+import java.util.concurrent.ThreadPoolExecutor;
+import java.util.concurrent.TimeUnit;
+import java.util.concurrent.TimeoutException;
+import java.util.concurrent.atomic.AtomicBoolean;
+import java.util.function.BiConsumer;
+import java.util.function.Consumer;
+import java.util.function.Supplier;
+
+public final class MCUtil {
+ public static final ThreadPoolExecutor asyncExecutor = new ThreadPoolExecutor(
+ 0, 2, 60L, TimeUnit.SECONDS,
+ new LinkedBlockingQueue<Runnable>(),
+ new ThreadFactoryBuilder().setNameFormat("Paper Async Task Handler Thread - %1$d").build()
+ );
+ public static final ThreadPoolExecutor cleanerExecutor = new ThreadPoolExecutor(
+ 1, 1, 0L, TimeUnit.SECONDS,
+ new LinkedBlockingQueue<Runnable>(),
+ new ThreadFactoryBuilder().setNameFormat("Paper Object Cleaner").build()
+ );
+
+ public static final long INVALID_CHUNK_KEY = getCoordinateKey(Integer.MAX_VALUE, Integer.MAX_VALUE);
+
+
+ public static Runnable once(Runnable run) {
+ AtomicBoolean ran = new AtomicBoolean(false);
+ return () -> {
+ if (ran.compareAndSet(false, true)) {
+ run.run();
+ }
+ };
+ }
+
+ public static <T> Runnable once(List<T> list, Consumer<T> cb) {
+ return once(() -> {
+ list.forEach(cb);
+ });
+ }
+
+ private static Runnable makeCleanerCallback(Runnable run) {
+ return once(() -> cleanerExecutor.execute(run));
+ }
+
+ /**
+ * DANGER WILL ROBINSON: Be sure you do not use a lambda that lives in the object being monitored, or leaky leaky!
+ * @param obj
+ * @param run
+ * @return
+ */
+ public static Runnable registerCleaner(Object obj, Runnable run) {
+ // Wrap callback in its own method above or the lambda will leak object
+ Runnable cleaner = makeCleanerCallback(run);
+ co.aikar.cleaner.Cleaner.register(obj, cleaner);
+ return cleaner;
+ }
+
+ /**
+ * DANGER WILL ROBINSON: Be sure you do not use a lambda that lives in the object being monitored, or leaky leaky!
+ * @param obj
+ * @param list
+ * @param cleaner
+ * @param <T>
+ * @return
+ */
+ public static <T> Runnable registerListCleaner(Object obj, List<T> list, Consumer<T> cleaner) {
+ return registerCleaner(obj, () -> {
+ list.forEach(cleaner);
+ list.clear();
+ });
+ }
+
+ /**
+ * DANGER WILL ROBINSON: Be sure you do not use a lambda that lives in the object being monitored, or leaky leaky!
+ * @param obj
+ * @param resource
+ * @param cleaner
+ * @param <T>
+ * @return
+ */
+ public static <T> Runnable registerCleaner(Object obj, T resource, java.util.function.Consumer<T> cleaner) {
+ return registerCleaner(obj, () -> cleaner.accept(resource));
+ }
+
+ public static List<ChunkCoordIntPair> getSpiralOutChunks(BlockPosition blockposition, int radius) {
+ List<ChunkCoordIntPair> list = com.google.common.collect.Lists.newArrayList();
+
+ list.add(new ChunkCoordIntPair(blockposition.getX() >> 4, blockposition.getZ() >> 4));
+ for (int r = 1; r <= radius; r++) {
+ int x = -r;
+ int z = r;
+
+ // Iterates the edge of half of the box; then negates for other half.
+ while (x <= r && z > -r) {
+ list.add(new ChunkCoordIntPair((blockposition.getX() + (x << 4)) >> 4, (blockposition.getZ() + (z << 4)) >> 4));
+ list.add(new ChunkCoordIntPair((blockposition.getX() - (x << 4)) >> 4, (blockposition.getZ() - (z << 4)) >> 4));
+
+ if (x < r) {
+ x++;
+ } else {
+ z--;
+ }
+ }
+ }
+ return list;
+ }
+
+ public static int fastFloor(double x) {
+ int truncated = (int)x;
+ return x < (double)truncated ? truncated - 1 : truncated;
+ }
+
+ public static int fastFloor(float x) {
+ int truncated = (int)x;
+ return x < (double)truncated ? truncated - 1 : truncated;
+ }
+
+ public static float normalizeYaw(float f) {
+ float f1 = f % 360.0F;
+
+ if (f1 >= 180.0F) {
+ f1 -= 360.0F;
+ }
+
+ if (f1 < -180.0F) {
+ f1 += 360.0F;
+ }
+
+ return f1;
+ }
+
+ /**
+ * Quickly generate a stack trace for current location
+ *
+ * @return Stacktrace
+ */
+ public static String stack() {
+ return ExceptionUtils.getFullStackTrace(new Throwable());
+ }
+
+ /**
+ * Quickly generate a stack trace for current location with message
+ *
+ * @param str
+ * @return Stacktrace
+ */
+ public static String stack(String str) {
+ return ExceptionUtils.getFullStackTrace(new Throwable(str));
+ }
+
+ public static long getCoordinateKey(final BlockPosition blockPos) {
+ return ((long)(blockPos.getZ() >> 4) << 32) | ((blockPos.getX() >> 4) & 0xFFFFFFFFL);
+ }
+
+ public static long getCoordinateKey(final Entity entity) {
+ return ((long)(MCUtil.fastFloor(entity.locZ()) >> 4) << 32) | ((MCUtil.fastFloor(entity.locX()) >> 4) & 0xFFFFFFFFL);
+ }
+
+ public static long getCoordinateKey(final ChunkCoordIntPair pair) {
+ return ((long)pair.z << 32) | (pair.x & 0xFFFFFFFFL);
+ }
+
+ public static long getCoordinateKey(final int x, final int z) {
+ return ((long)z << 32) | (x & 0xFFFFFFFFL);
+ }
+
+ public static int getCoordinateX(final long key) {
+ return (int)key;
+ }
+
+ public static int getCoordinateZ(final long key) {
+ return (int)(key >>> 32);
+ }
+
+ public static int getChunkCoordinate(final double coordinate) {
+ return MCUtil.fastFloor(coordinate) >> 4;
+ }
+
+ public static int getBlockCoordinate(final double coordinate) {
+ return MCUtil.fastFloor(coordinate);
+ }
+
+ public static long getBlockKey(final int x, final int y, final int z) {
+ return ((long)x & 0x7FFFFFF) | (((long)z & 0x7FFFFFF) << 27) | ((long)y << 54);
+ }
+
+ public static long getBlockKey(final BlockPosition pos) {
+ return ((long)pos.getX() & 0x7FFFFFF) | (((long)pos.getZ() & 0x7FFFFFF) << 27) | ((long)pos.getY() << 54);
+ }
+
+ public static long getBlockKey(final Entity entity) {
+ return getBlockKey(getBlockCoordinate(entity.locX()), getBlockCoordinate(entity.locY()), getBlockCoordinate(entity.locZ()));
+ }
+
+ // assumes the sets have the same comparator, and if this comparator is null then assume T is Comparable
+ public static <T> void mergeSortedSets(final java.util.function.Consumer<T> consumer, final java.util.Comparator<? super T> comparator, final java.util.SortedSet<T>...sets) {
+ final it.unimi.dsi.fastutil.objects.ObjectRBTreeSet<T> all = new it.unimi.dsi.fastutil.objects.ObjectRBTreeSet<>(comparator);
+ // note: this is done in log(n!) ~ nlogn time. It could be improved if it were to mimic what mergesort does.
+ for (java.util.SortedSet<T> set : sets) {
+ if (set != null) {
+ all.addAll(set);
+ }
+ }
+ all.forEach(consumer);
+ }
+
+ private MCUtil() {}
+
+ public static final java.util.concurrent.Executor MAIN_EXECUTOR = (run) -> {
+ if (!isMainThread()) {
+ MinecraftServer.getServer().execute(run);
+ } else {
+ run.run();
+ }
+ };
+
+ public static <T> CompletableFuture<T> ensureMain(CompletableFuture<T> future) {
+ return future.thenApplyAsync(r -> r, MAIN_EXECUTOR);
+ }
+
+ public static <T> void thenOnMain(CompletableFuture<T> future, Consumer<T> consumer) {
+ future.thenAcceptAsync(consumer, MAIN_EXECUTOR);
+ }
+ public static <T> void thenOnMain(CompletableFuture<T> future, BiConsumer<T, Throwable> consumer) {
+ future.whenCompleteAsync(consumer, MAIN_EXECUTOR);
+ }
+
+ public static boolean isMainThread() {
+ return MinecraftServer.getServer().isMainThread();
+ }
+
+ public static org.bukkit.scheduler.BukkitTask scheduleTask(int ticks, Runnable runnable) {
+ return scheduleTask(ticks, runnable, null);
+ }
+
+ public static org.bukkit.scheduler.BukkitTask scheduleTask(int ticks, Runnable runnable, String taskName) {
+ return MinecraftServer.getServer().server.getScheduler().scheduleInternalTask(runnable, ticks, taskName);
+ }
+
+ public static void processQueue() {
+ Runnable runnable;
+ Queue<Runnable> processQueue = getProcessQueue();
+ while ((runnable = processQueue.poll()) != null) {
+ try {
+ runnable.run();
+ } catch (Exception e) {
+ MinecraftServer.LOGGER.error("Error executing task", e);
+ }
+ }
+ }
+ public static <T> T processQueueWhileWaiting(CompletableFuture <T> future) {
+ try {
+ if (isMainThread()) {
+ while (!future.isDone()) {
+ try {
+ return future.get(1, TimeUnit.MILLISECONDS);
+ } catch (TimeoutException ignored) {
+ processQueue();
+ }
+ }
+ }
+ return future.get();
+ } catch (Exception e) {
+ throw new RuntimeException(e);
+ }
+ }
+
+ public static void ensureMain(Runnable run) {
+ ensureMain(null, run);
+ }
+ /**
+ * Ensures the target code is running on the main thread
+ * @param reason
+ * @param run
+ * @return
+ */
+ public static void ensureMain(String reason, Runnable run) {
+ if (AsyncCatcher.enabled && Thread.currentThread() != MinecraftServer.getServer().serverThread) {
+ if (reason != null) {
+ new IllegalStateException("Asynchronous " + reason + "!").printStackTrace();
+ }
+ getProcessQueue().add(run);
+ return;
+ }
+ run.run();
+ }
+
+ private static Queue<Runnable> getProcessQueue() {
+ return MinecraftServer.getServer().processQueue;
+ }
+
+ public static <T> T ensureMain(Supplier<T> run) {
+ return ensureMain(null, run);
+ }
+ /**
+ * Ensures the target code is running on the main thread
+ * @param reason
+ * @param run
+ * @param <T>
+ * @return
+ */
+ public static <T> T ensureMain(String reason, Supplier<T> run) {
+ if (AsyncCatcher.enabled && Thread.currentThread() != MinecraftServer.getServer().serverThread) {
+ if (reason != null) {
+ new IllegalStateException("Asynchronous " + reason + "! Blocking thread until it returns ").printStackTrace();
+ }
+ Waitable<T> wait = new Waitable<T>() {
+ @Override
+ protected T evaluate() {
+ return run.get();
+ }
+ };
+ getProcessQueue().add(wait);
+ try {
+ return wait.get();
+ } catch (InterruptedException | ExecutionException e) {
+ e.printStackTrace();
+ }
+ return null;
+ }
+ return run.get();
+ }
+
+ /**
+ * Calculates distance between 2 entities
+ * @param e1
+ * @param e2
+ * @return
+ */
+ public static double distance(Entity e1, Entity e2) {
+ return Math.sqrt(distanceSq(e1, e2));
+ }
+
+
+ /**
+ * Calculates distance between 2 block positions
+ * @param e1
+ * @param e2
+ * @return
+ */
+ public static double distance(BlockPosition e1, BlockPosition e2) {
+ return Math.sqrt(distanceSq(e1, e2));
+ }
+
+ /**
+ * Gets the distance between 2 positions
+ * @param x1
+ * @param y1
+ * @param z1
+ * @param x2
+ * @param y2
+ * @param z2
+ * @return
+ */
+ public static double distance(double x1, double y1, double z1, double x2, double y2, double z2) {
+ return Math.sqrt(distanceSq(x1, y1, z1, x2, y2, z2));
+ }
+
+ /**
+ * Get's the distance squared between 2 entities
+ * @param e1
+ * @param e2
+ * @return
+ */
+ public static double distanceSq(Entity e1, Entity e2) {
+ return distanceSq(e1.locX(),e1.locY(),e1.locZ(), e2.locX(),e2.locY(),e2.locZ());
+ }
+
+ /**
+ * Gets the distance sqaured between 2 block positions
+ * @param pos1
+ * @param pos2
+ * @return
+ */
+ public static double distanceSq(BlockPosition pos1, BlockPosition pos2) {
+ return distanceSq(pos1.getX(), pos1.getY(), pos1.getZ(), pos2.getX(), pos2.getY(), pos2.getZ());
+ }
+
+ /**
+ * Gets the distance squared between 2 positions
+ * @param x1
+ * @param y1
+ * @param z1
+ * @param x2
+ * @param y2
+ * @param z2
+ * @return
+ */
+ public static double distanceSq(double x1, double y1, double z1, double x2, double y2, double z2) {
+ return (x1 - x2) * (x1 - x2) + (y1 - y2) * (y1 - y2) + (z1 - z2) * (z1 - z2);
+ }
+
+ /**
+ * Converts a NMS World/BlockPosition to Bukkit Location
+ * @param world
+ * @param x
+ * @param y
+ * @param z
+ * @return
+ */
+ public static Location toLocation(World world, double x, double y, double z) {
+ return new Location(world.getWorld(), x, y, z);
+ }
+
+ /**
+ * Converts a NMS World/BlockPosition to Bukkit Location
+ * @param world
+ * @param pos
+ * @return
+ */
+ public static Location toLocation(World world, BlockPosition pos) {
+ return new Location(world.getWorld(), pos.getX(), pos.getY(), pos.getZ());
+ }
+
+ /**
+ * Converts an NMS entity's current location to a Bukkit Location
+ * @param entity
+ * @return
+ */
+ public static Location toLocation(Entity entity) {
+ return new Location(entity.getWorld().getWorld(), entity.locX(), entity.locY(), entity.locZ());
+ }
+
+ public static org.bukkit.block.Block toBukkitBlock(World world, BlockPosition pos) {
+ return world.getWorld().getBlockAt(pos.getX(), pos.getY(), pos.getZ());
+ }
+
+ public static BlockPosition toBlockPosition(Location loc) {
+ return new BlockPosition(loc.getBlockX(), loc.getBlockY(), loc.getBlockZ());
+ }
+
+ public static boolean isEdgeOfChunk(BlockPosition pos) {
+ final int modX = pos.getX() & 15;
+ final int modZ = pos.getZ() & 15;
+ return (modX == 0 || modX == 15 || modZ == 0 || modZ == 15);
+ }
+
+ /**
+ * Posts a task to be executed asynchronously
+ * @param run
+ */
+ public static void scheduleAsyncTask(Runnable run) {
+ asyncExecutor.execute(run);
+ }
+
+ @Nonnull
+ public static WorldServer getNMSWorld(@Nonnull org.bukkit.World world) {
+ return ((CraftWorld) world).getHandle();
+ }
+
+ public static WorldServer getNMSWorld(@Nonnull org.bukkit.entity.Entity entity) {
+ return getNMSWorld(entity.getWorld());
+ }
+
+ public static RayTrace.FluidCollisionOption getNMSFluidCollisionOption(TargetBlockInfo.FluidMode fluidMode) {
+ if (fluidMode == TargetBlockInfo.FluidMode.NEVER) {
+ return RayTrace.FluidCollisionOption.NONE;
+ }
+ if (fluidMode == TargetBlockInfo.FluidMode.SOURCE_ONLY) {
+ return RayTrace.FluidCollisionOption.SOURCE_ONLY;
+ }
+ if (fluidMode == TargetBlockInfo.FluidMode.ALWAYS) {
+ return RayTrace.FluidCollisionOption.ANY;
+ }
+ return null;
+ }
+
+ public static BlockFace toBukkitBlockFace(EnumDirection enumDirection) {
+ switch (enumDirection) {
+ case DOWN:
+ return BlockFace.DOWN;
+ case UP:
+ return BlockFace.UP;
+ case NORTH:
+ return BlockFace.NORTH;
+ case SOUTH:
+ return BlockFace.SOUTH;
+ case WEST:
+ return BlockFace.WEST;
+ case EAST:
+ return BlockFace.EAST;
+ default:
+ return null;
+ }
+ }
+}
diff --git a/src/main/java/net/minecraft/server/MinecraftServer.java b/src/main/java/net/minecraft/server/MinecraftServer.java
index 5e2dff9a30615b5580710f872a92ab9f07fca6cf..70604fbf6bdd5166fc91d57fb4db4a8337bc4727 100644
--- a/src/main/java/net/minecraft/server/MinecraftServer.java
+++ b/src/main/java/net/minecraft/server/MinecraftServer.java
@@ -766,6 +766,9 @@ public abstract class MinecraftServer extends IAsyncTaskHandlerReentrant<TickTas
MinecraftServer.LOGGER.error("Failed to unlock level {}", this.convertable.getLevelName(), ioexception1);
}
// Spigot start
+ MCUtil.asyncExecutor.shutdown(); // Paper
+ try { MCUtil.asyncExecutor.awaitTermination(30, java.util.concurrent.TimeUnit.SECONDS); // Paper
+ } catch (java.lang.InterruptedException ignored) {} // Paper
if (org.spigotmc.SpigotConfig.saveUserCacheOnStopOnly) {
LOGGER.info("Saving usercache.json");
this.getUserCache().c();
diff --git a/src/main/java/net/minecraft/server/NBTTagCompound.java b/src/main/java/net/minecraft/server/NBTTagCompound.java
index ef2dee1987c45a2c43188584169dd260ee80826c..c16ff6723d3fd191b990002d40dc021d7870555d 100644
--- a/src/main/java/net/minecraft/server/NBTTagCompound.java
+++ b/src/main/java/net/minecraft/server/NBTTagCompound.java
@@ -70,7 +70,7 @@ public class NBTTagCompound implements NBTBase {
return "TAG_Compound";
}
};
- private final Map<String, NBTBase> map;
+ public final Map<String, NBTBase> map; // Paper
protected NBTTagCompound(Map<String, NBTBase> map) {
this.map = map;
@@ -133,10 +133,14 @@ public class NBTTagCompound implements NBTBase {
this.map.put(s, NBTTagLong.a(i));
}
+ public void setUUID(String prefix, UUID uuid) { a(prefix, uuid); } // Paper - OBFHELPER
public void a(String s, UUID uuid) {
this.map.put(s, GameProfileSerializer.a(uuid));
}
+
+ @Nullable public UUID getUUID(String prefix) { return a(prefix); } // Paper - OBFHELPER
+ @Nullable
public UUID a(String s) {
return GameProfileSerializer.a(this.get(s));
}
diff --git a/src/main/java/net/minecraft/server/NetworkManager.java b/src/main/java/net/minecraft/server/NetworkManager.java
index 69718caa347bc75ed243041797a6b53d90fc553c..c2fdccfb9192aa7ec55fd67c169cba71a695075c 100644
--- a/src/main/java/net/minecraft/server/NetworkManager.java
+++ b/src/main/java/net/minecraft/server/NetworkManager.java
@@ -158,6 +158,7 @@ public class NetworkManager extends SimpleChannelInboundHandler<Packet<?>> {
}
+ private void dispatchPacket(Packet<?> packet, @Nullable GenericFutureListener<? extends Future<? super Void>> genericFutureListener) { this.b(packet, genericFutureListener); } // Paper - OBFHELPER
private void b(Packet<?> packet, @Nullable GenericFutureListener<? extends Future<? super Void>> genericfuturelistener) {
EnumProtocol enumprotocol = EnumProtocol.a(packet);
EnumProtocol enumprotocol1 = (EnumProtocol) this.channel.attr(NetworkManager.c).get();
@@ -198,6 +199,7 @@ public class NetworkManager extends SimpleChannelInboundHandler<Packet<?>> {
}
+ private void sendPacketQueue() { this.o(); } // Paper - OBFHELPER
private void o() {
if (this.channel != null && this.channel.isOpen()) {
Queue queue = this.packetQueue;
@@ -326,9 +328,9 @@ public class NetworkManager extends SimpleChannelInboundHandler<Packet<?>> {
static class QueuedPacket {
- private final Packet<?> a;
+ private final Packet<?> a; private final Packet<?> getPacket() { return this.a; } // Paper - OBFHELPER
@Nullable
- private final GenericFutureListener<? extends Future<? super Void>> b;
+ private final GenericFutureListener<? extends Future<? super Void>> b; private final GenericFutureListener<? extends Future<? super Void>> getGenericFutureListener() { return this.b; } // Paper - OBFHELPER
public QueuedPacket(Packet<?> packet, @Nullable GenericFutureListener<? extends Future<? super Void>> genericfuturelistener) {
this.a = packet;
diff --git a/src/main/java/net/minecraft/server/PacketDataSerializer.java b/src/main/java/net/minecraft/server/PacketDataSerializer.java
index f574a28b68cf4d3745ee5f1a3756e19dbc23ca92..6e049c2e2a142ce022b9dc278a3bb302f723e42c 100644
--- a/src/main/java/net/minecraft/server/PacketDataSerializer.java
+++ b/src/main/java/net/minecraft/server/PacketDataSerializer.java
@@ -36,6 +36,7 @@ public class PacketDataSerializer extends ByteBuf {
this.a = bytebuf;
}
+ public static int countBytes(int i) { return PacketDataSerializer.a(i); } // Paper - OBFHELPER
public static int a(int i) {
for (int j = 1; j < 5; ++j) {
if ((i & -1 << j * 7) == 0) {
diff --git a/src/main/java/net/minecraft/server/PacketEncoder.java b/src/main/java/net/minecraft/server/PacketEncoder.java
index 90223deae3376fd6828eddf3831dab96650afef2..63c4dbd327beb7b6ab42eb44650d68accd3b0de6 100644
--- a/src/main/java/net/minecraft/server/PacketEncoder.java
+++ b/src/main/java/net/minecraft/server/PacketEncoder.java
@@ -42,6 +42,7 @@ public class PacketEncoder extends MessageToByteEncoder<Packet<?>> {
packet.b(packetdataserializer);
} catch (Throwable throwable) {
PacketEncoder.LOGGER.error(throwable);
+ throwable.printStackTrace(); // Paper - WHAT WAS IT? WHO DID THIS TO YOU? WHAT DID YOU SEE?
if (packet.a()) {
throw new SkipEncodeException(throwable);
} else {
diff --git a/src/main/java/net/minecraft/server/PacketPlayOutMapChunk.java b/src/main/java/net/minecraft/server/PacketPlayOutMapChunk.java
index cb0b7e7157b629c259b0ccb946c29cbcb3c6fa98..e336437207f9d6adbab69ef2785c129ff2ec1b36 100644
--- a/src/main/java/net/minecraft/server/PacketPlayOutMapChunk.java
+++ b/src/main/java/net/minecraft/server/PacketPlayOutMapChunk.java
@@ -17,7 +17,7 @@ public class PacketPlayOutMapChunk implements Packet<PacketListenerPlayOut> {
private NBTTagCompound d;
@Nullable
private BiomeStorage e;
- private byte[] f;
+ private byte[] f; private byte[] getData() { return this.f; } // Paper - OBFHELPER
private List<NBTTagCompound> g;
private boolean h;
private boolean i;
@@ -133,6 +133,7 @@ public class PacketPlayOutMapChunk implements Packet<PacketListenerPlayOut> {
return bytebuf;
}
+ public int writeChunk(PacketDataSerializer packetDataSerializer, Chunk chunk, int chunkSectionSelector) { return this.a(packetDataSerializer, chunk, chunkSectionSelector); } // Paper - OBFHELPER
public int a(PacketDataSerializer packetdataserializer, Chunk chunk, int i) {
int j = 0;
ChunkSection[] achunksection = chunk.getSections();
diff --git a/src/main/java/net/minecraft/server/PlayerChunk.java b/src/main/java/net/minecraft/server/PlayerChunk.java
index dc5e59bcecbe080445f33daa01b81ba747ed6337..ca41e420a1ab22f097dd0b98e156fd51434733d8 100644
--- a/src/main/java/net/minecraft/server/PlayerChunk.java
+++ b/src/main/java/net/minecraft/server/PlayerChunk.java
@@ -19,9 +19,9 @@ public class PlayerChunk {
private static final List<ChunkStatus> CHUNK_STATUSES = ChunkStatus.a();
private static final PlayerChunk.State[] CHUNK_STATES = PlayerChunk.State.values();
private final AtomicReferenceArray<CompletableFuture<Either<IChunkAccess, PlayerChunk.Failure>>> statusFutures;
- private volatile CompletableFuture<Either<Chunk, PlayerChunk.Failure>> fullChunkFuture;
- private volatile CompletableFuture<Either<Chunk, PlayerChunk.Failure>> tickingFuture;
- private volatile CompletableFuture<Either<Chunk, PlayerChunk.Failure>> entityTickingFuture;
+ private volatile CompletableFuture<Either<Chunk, PlayerChunk.Failure>> fullChunkFuture; private int fullChunkCreateCount; private volatile boolean isFullChunkReady; // Paper - cache chunk ticking stage
+ private volatile CompletableFuture<Either<Chunk, PlayerChunk.Failure>> tickingFuture; private volatile boolean isTickingReady; // Paper - cache chunk ticking stage
+ private volatile CompletableFuture<Either<Chunk, PlayerChunk.Failure>> entityTickingFuture; private volatile boolean isEntityTickingReady; // Paper - cache chunk ticking stage
private CompletableFuture<IChunkAccess> chunkSave;
public int oldTicketLevel;
private int ticketLevel;
@@ -37,6 +37,8 @@ public class PlayerChunk {
public final PlayerChunk.d players;
private boolean hasBeenLoaded;
+ private final PlayerChunkMap chunkMap; // Paper
+
public PlayerChunk(ChunkCoordIntPair chunkcoordintpair, int i, LightEngine lightengine, PlayerChunk.c playerchunk_c, PlayerChunk.d playerchunk_d) {
this.statusFutures = new AtomicReferenceArray(PlayerChunk.CHUNK_STATUSES.size());
this.fullChunkFuture = PlayerChunk.UNLOADED_CHUNK_FUTURE;
@@ -52,8 +54,47 @@ public class PlayerChunk {
this.ticketLevel = this.oldTicketLevel;
this.n = this.oldTicketLevel;
this.a(i);
+ this.chunkMap = (PlayerChunkMap)playerchunk_d; // Paper
+ }
+
+ // Paper start
+ @Nullable
+ public final Chunk getEntityTickingChunk() {
+ CompletableFuture<Either<Chunk, PlayerChunk.Failure>> completablefuture = this.entityTickingFuture;
+ Either<Chunk, PlayerChunk.Failure> either = completablefuture.getNow(null);
+
+ return either == null ? null : either.left().orElse(null);
+ }
+
+ @Nullable
+ public final Chunk getTickingChunk() {
+ CompletableFuture<Either<Chunk, PlayerChunk.Failure>> completablefuture = this.tickingFuture;
+ Either<Chunk, PlayerChunk.Failure> either = completablefuture.getNow(null);
+
+ return either == null ? null : either.left().orElse(null);
+ }
+
+ @Nullable
+ public final Chunk getFullReadyChunk() {
+ CompletableFuture<Either<Chunk, PlayerChunk.Failure>> completablefuture = this.fullChunkFuture;
+ Either<Chunk, PlayerChunk.Failure> either = completablefuture.getNow(null);
+
+ return either == null ? null : either.left().orElse(null);
+ }
+
+ public final boolean isEntityTickingReady() {
+ return this.isEntityTickingReady;
}
+ public final boolean isTickingReady() {
+ return this.isTickingReady;
+ }
+
+ public final boolean isFullChunkReady() {
+ return this.isFullChunkReady;
+ }
+ // Paper end
+
// CraftBukkit start
public Chunk getFullChunk() {
if (!getChunkState(this.oldTicketLevel).isAtLeast(PlayerChunk.State.BORDER)) return null; // note: using oldTicketLevel for isLoaded checks
@@ -62,6 +103,14 @@ public class PlayerChunk {
return either == null ? null : (Chunk) either.left().orElse(null);
}
// CraftBukkit end
+ // Paper start - "real" get full chunk immediately
+ public Chunk getFullChunkIfCached() {
+ // Note: Copied from above without ticket level check
+ CompletableFuture<Either<IChunkAccess, PlayerChunk.Failure>> statusFuture = this.getStatusFutureUnchecked(ChunkStatus.FULL);
+ Either<IChunkAccess, PlayerChunk.Failure> either = (Either<IChunkAccess, PlayerChunk.Failure>) statusFuture.getNow(null);
+ return either == null ? null : (Chunk) either.left().orElse(null);
+ }
+ // Paper end
public CompletableFuture<Either<IChunkAccess, PlayerChunk.Failure>> getStatusFutureUnchecked(ChunkStatus chunkstatus) {
CompletableFuture<Either<IChunkAccess, PlayerChunk.Failure>> completablefuture = (CompletableFuture) this.statusFutures.get(chunkstatus.c());
@@ -73,14 +122,17 @@ public class PlayerChunk {
return getChunkStatus(this.ticketLevel).b(chunkstatus) ? this.getStatusFutureUnchecked(chunkstatus) : PlayerChunk.UNLOADED_CHUNK_ACCESS_FUTURE;
}
+ public final CompletableFuture<Either<Chunk, PlayerChunk.Failure>> getTickingFuture() { return this.a(); } // Paper - OBFHELPER
public CompletableFuture<Either<Chunk, PlayerChunk.Failure>> a() {
return this.tickingFuture;
}
+ public final CompletableFuture<Either<Chunk, PlayerChunk.Failure>> getEntityTickingFuture() { return this.b(); } // Paper - OBFHELPER
public CompletableFuture<Either<Chunk, PlayerChunk.Failure>> b() {
return this.entityTickingFuture;
}
+ public final CompletableFuture<Either<Chunk, PlayerChunk.Failure>> getFullChunkFuture() { return this.c(); } // Paper - OBFHELPER
public CompletableFuture<Either<Chunk, PlayerChunk.Failure>> c() {
return this.fullChunkFuture;
}
@@ -322,13 +374,27 @@ public class PlayerChunk {
this.hasBeenLoaded |= flag3;
if (!flag2 && flag3) {
- this.fullChunkFuture = playerchunkmap.b(this);
+ // Paper start - cache ticking ready status
+ int expectCreateCount = ++this.fullChunkCreateCount;
+ this.fullChunkFuture = playerchunkmap.b(this); this.fullChunkFuture.thenAccept((either) -> {
+ if (either.left().isPresent() && PlayerChunk.this.fullChunkCreateCount == expectCreateCount) {
+ // note: Here is a very good place to add callbacks to logic waiting on this.
+ Chunk fullChunk = either.left().get();
+ PlayerChunk.this.isFullChunkReady = true;
+ fullChunk.playerChunk = PlayerChunk.this;
+
+
+ }
+ });
+ // Paper end
this.a(this.fullChunkFuture);
}
if (flag2 && !flag3) {
completablefuture = this.fullChunkFuture;
this.fullChunkFuture = PlayerChunk.UNLOADED_CHUNK_FUTURE;
+ ++this.fullChunkCreateCount; // Paper - cache ticking ready status
+ this.isFullChunkReady = false; // Paper - cache ticking ready status
this.a(((CompletableFuture<Either<Chunk, PlayerChunk.Failure>>) completablefuture).thenApply((either1) -> { // CraftBukkit - decompile error
playerchunkmap.getClass();
return either1.ifLeft(playerchunkmap::a);
@@ -339,12 +405,24 @@ public class PlayerChunk {
boolean flag5 = playerchunk_state1.isAtLeast(PlayerChunk.State.TICKING);
if (!flag4 && flag5) {
- this.tickingFuture = playerchunkmap.a(this);
+ // Paper start - cache ticking ready status
+ this.tickingFuture = playerchunkmap.a(this); this.tickingFuture.thenAccept((either) -> {
+ if (either.left().isPresent()) {
+ // note: Here is a very good place to add callbacks to logic waiting on this.
+ Chunk tickingChunk = either.left().get();
+ PlayerChunk.this.isTickingReady = true;
+
+
+
+
+ }
+ });
+ // Paper end
this.a(this.tickingFuture);
}
if (flag4 && !flag5) {
- this.tickingFuture.complete(PlayerChunk.UNLOADED_CHUNK);
+ this.tickingFuture.complete(PlayerChunk.UNLOADED_CHUNK); this.isTickingReady = false; // Paper - cache chunk ticking stage
this.tickingFuture = PlayerChunk.UNLOADED_CHUNK_FUTURE;
}
@@ -356,12 +434,24 @@ public class PlayerChunk {
throw (IllegalStateException) SystemUtils.c(new IllegalStateException());
}
- this.entityTickingFuture = playerchunkmap.b(this.location);
+ // Paper start - cache ticking ready status
+ this.entityTickingFuture = playerchunkmap.b(this.location); this.entityTickingFuture.thenAccept((either) -> {
+ if (either.left().isPresent()) {
+ // note: Here is a very good place to add callbacks to logic waiting on this.
+ Chunk entityTickingChunk = either.left().get();
+ PlayerChunk.this.isEntityTickingReady = true;
+
+
+
+
+ }
+ });
+ // Paper end
this.a(this.entityTickingFuture);
}
if (flag6 && !flag7) {
- this.entityTickingFuture.complete(PlayerChunk.UNLOADED_CHUNK);
+ this.entityTickingFuture.complete(PlayerChunk.UNLOADED_CHUNK); this.isEntityTickingReady = false; // Paper - cache chunk ticking stage
this.entityTickingFuture = PlayerChunk.UNLOADED_CHUNK_FUTURE;
}
diff --git a/src/main/java/net/minecraft/server/PlayerChunkMap.java b/src/main/java/net/minecraft/server/PlayerChunkMap.java
index 5f692d719fd270120207ebcf6d0a2a24e8d59f7b..3e2e355177e32856dac07dc8b98658ad1b717045 100644
--- a/src/main/java/net/minecraft/server/PlayerChunkMap.java
+++ b/src/main/java/net/minecraft/server/PlayerChunkMap.java
@@ -101,6 +101,26 @@ public class PlayerChunkMap extends IChunkLoader implements PlayerChunk.d {
};
// CraftBukkit end
+ // Paper start - distance maps
+ private final com.destroystokyo.paper.util.misc.PooledLinkedHashSets<EntityPlayer> pooledLinkedPlayerHashSets = new com.destroystokyo.paper.util.misc.PooledLinkedHashSets<>();
+
+ void addPlayerToDistanceMaps(EntityPlayer player) {
+ int chunkX = MCUtil.getChunkCoordinate(player.locX());
+ int chunkZ = MCUtil.getChunkCoordinate(player.locZ());
+ // Note: players need to be explicitly added to distance maps before they can be updated
+ }
+
+ void removePlayerFromDistanceMaps(EntityPlayer player) {
+
+ }
+
+ void updateMaps(EntityPlayer player) {
+ int chunkX = MCUtil.getChunkCoordinate(player.locX());
+ int chunkZ = MCUtil.getChunkCoordinate(player.locZ());
+ // Note: players need to be explicitly added to distance maps before they can be updated
+ }
+ // Paper end
+
public PlayerChunkMap(WorldServer worldserver, Convertable.ConversionSession convertable_conversionsession, DataFixer datafixer, DefinedStructureManager definedstructuremanager, Executor executor, IAsyncTaskHandler<Runnable> iasynctaskhandler, ILightAccess ilightaccess, ChunkGenerator chunkgenerator, WorldLoadListener worldloadlistener, Supplier<WorldPersistentData> supplier, int i, boolean flag) {
super(new File(convertable_conversionsession.a(worldserver.getDimensionKey()), "region"), datafixer, flag);
this.visibleChunks = this.updatingChunks.clone();
@@ -190,6 +210,14 @@ public class PlayerChunkMap extends IChunkLoader implements PlayerChunk.d {
};
}
+ // Paper start
+ public final int getEffectiveViewDistance() {
+ // TODO this needs to be checked on update
+ // Mojang currently sets it to +1 of the configured view distance. So subtract one to get the one we really want.
+ return this.viewDistance - 1;
+ }
+ // Paper end
+
private CompletableFuture<Either<List<IChunkAccess>, PlayerChunk.Failure>> a(ChunkCoordIntPair chunkcoordintpair, int i, IntFunction<ChunkStatus> intfunction) {
List<CompletableFuture<Either<IChunkAccess, PlayerChunk.Failure>>> list = Lists.newArrayList();
int j = chunkcoordintpair.x;
@@ -900,6 +928,7 @@ public class PlayerChunkMap extends IChunkLoader implements PlayerChunk.d {
if (!flag1) {
this.chunkDistanceManager.a(SectionPosition.a((Entity) entityplayer), entityplayer);
}
+ this.addPlayerToDistanceMaps(entityplayer); // Paper - distance maps
} else {
SectionPosition sectionposition = entityplayer.N();
@@ -907,6 +936,7 @@ public class PlayerChunkMap extends IChunkLoader implements PlayerChunk.d {
if (!flag2) {
this.chunkDistanceManager.b(sectionposition, entityplayer);
}
+ this.removePlayerFromDistanceMaps(entityplayer); // Paper - distance maps
}
for (int k = i - this.viewDistance; k <= i + this.viewDistance; ++k) {
@@ -1017,6 +1047,8 @@ public class PlayerChunkMap extends IChunkLoader implements PlayerChunk.d {
}
}
+ this.updateMaps(entityplayer); // Paper - distance maps
+
}
@Override
diff --git a/src/main/java/net/minecraft/server/PlayerConnection.java b/src/main/java/net/minecraft/server/PlayerConnection.java
index 92922db3f57877507c6443c49f4c021aee667b1d..b8d3c4d35cee2ba4678f6d22b8ea956d598d9d9b 100644
--- a/src/main/java/net/minecraft/server/PlayerConnection.java
+++ b/src/main/java/net/minecraft/server/PlayerConnection.java
@@ -67,9 +67,9 @@ public class PlayerConnection implements PacketListenerPlayIn {
private final MinecraftServer minecraftServer;
public EntityPlayer player;
private int e;
- private long lastKeepAlive;
- private boolean awaitingKeepAlive;
- private long h;
+ private long lastKeepAlive; private void setLastPing(long lastPing) { this.lastKeepAlive = lastPing;}; private long getLastPing() { return this.lastKeepAlive;}; // Paper - OBFHELPER
+ private boolean awaitingKeepAlive; private void setPendingPing(boolean isPending) { this.awaitingKeepAlive = isPending;}; private boolean isPendingPing() { return this.awaitingKeepAlive;}; // Paper - OBFHELPER
+ private long h; private void setKeepAliveID(long keepAliveID) { this.h = keepAliveID;}; private long getKeepAliveID() {return this.h; }; // Paper - OBFHELPER
// CraftBukkit start - multithreaded fields
private volatile int chatThrottle;
private static final AtomicIntegerFieldUpdater chatSpamField = AtomicIntegerFieldUpdater.newUpdater(PlayerConnection.class, "chatThrottle");
diff --git a/src/main/java/net/minecraft/server/PlayerInventory.java b/src/main/java/net/minecraft/server/PlayerInventory.java
index c027fb94881be14396cba879087861df35023500..3b65711b91c51ac7b4b5b2b0144ffd279fe60eeb 100644
--- a/src/main/java/net/minecraft/server/PlayerInventory.java
+++ b/src/main/java/net/minecraft/server/PlayerInventory.java
@@ -17,7 +17,7 @@ public class PlayerInventory implements IInventory, INamableTileEntity {
public final NonNullList<ItemStack> items;
public final NonNullList<ItemStack> armor;
public final NonNullList<ItemStack> extraSlots;
- private final List<NonNullList<ItemStack>> f;
+ private final List<NonNullList<ItemStack>> f;List<NonNullList<ItemStack>> getComponents() { return f; } // Paper - OBFHELPER
public int itemInHandIndex;
public final EntityHuman player;
private ItemStack carried;
diff --git a/src/main/java/net/minecraft/server/PotionUtil.java b/src/main/java/net/minecraft/server/PotionUtil.java
index b3824898daa80da791cdc8cfd06900e9a0b3b5b5..bf4172be525d5bdd7c152117afce8bf00106a139 100644
--- a/src/main/java/net/minecraft/server/PotionUtil.java
+++ b/src/main/java/net/minecraft/server/PotionUtil.java
@@ -110,6 +110,7 @@ public class PotionUtil {
return nbttagcompound == null ? Potions.EMPTY : PotionRegistry.a(nbttagcompound.getString("Potion"));
}
+ public static ItemStack addPotionToItemStack(ItemStack itemstack, PotionRegistry potionregistry) { return a(itemstack, potionregistry); } // Paper - OBFHELPER
public static ItemStack a(ItemStack itemstack, PotionRegistry potionregistry) {
MinecraftKey minecraftkey = IRegistry.POTION.getKey(potionregistry);
diff --git a/src/main/java/net/minecraft/server/ProtoChunk.java b/src/main/java/net/minecraft/server/ProtoChunk.java
index f92fbf136158336b65217a504ecd422bfcc4964f..070449198273e6c42e72c891882b82361d1c8dbd 100644
--- a/src/main/java/net/minecraft/server/ProtoChunk.java
+++ b/src/main/java/net/minecraft/server/ProtoChunk.java
@@ -81,6 +81,18 @@ public class ProtoChunk implements IChunkAccess {
}
+ // Paper start - If loaded util
+ @Override
+ public Fluid getFluidIfLoaded(BlockPosition blockposition) {
+ return this.getFluid(blockposition);
+ }
+
+ @Override
+ public IBlockData getTypeIfLoaded(BlockPosition blockposition) {
+ return this.getType(blockposition);
+ }
+ // Paper end
+
@Override
public IBlockData getType(BlockPosition blockposition) {
int i = blockposition.getY();
diff --git a/src/main/java/net/minecraft/server/RegionFile.java b/src/main/java/net/minecraft/server/RegionFile.java
index 43c5b8258d9cd15d86d4160e9c614c7ca6152962..1ce85ab949213efb9eae6daddca6ac8fb15dd472 100644
--- a/src/main/java/net/minecraft/server/RegionFile.java
+++ b/src/main/java/net/minecraft/server/RegionFile.java
@@ -93,6 +93,7 @@ public class RegionFile implements AutoCloseable {
return this.d.resolve(s);
}
+ @Nullable public synchronized DataInputStream getReadStream(ChunkCoordIntPair chunkCoordIntPair) throws IOException { return a(chunkCoordIntPair);} // Paper - OBFHELPER
@Nullable
public synchronized DataInputStream a(ChunkCoordIntPair chunkcoordintpair) throws IOException {
int i = this.getOffset(chunkcoordintpair);
diff --git a/src/main/java/net/minecraft/server/RegionLimitedWorldAccess.java b/src/main/java/net/minecraft/server/RegionLimitedWorldAccess.java
index a2ec45a6b8bd63299508113e3522436cea2507e5..478d252953c65792df9f0068a4c1afd1985151ab 100644
--- a/src/main/java/net/minecraft/server/RegionLimitedWorldAccess.java
+++ b/src/main/java/net/minecraft/server/RegionLimitedWorldAccess.java
@@ -101,6 +101,26 @@ public class RegionLimitedWorldAccess implements GeneratorAccessSeed {
return i >= this.n.x && i <= this.o.x && j >= this.n.z && j <= this.o.z;
}
+ // Paper start - if loaded util
+ @Nullable
+ @Override
+ public IChunkAccess getChunkIfLoadedImmediately(int x, int z) {
+ return this.getChunkAt(x, z, ChunkStatus.FULL, false);
+ }
+
+ @Override
+ public IBlockData getTypeIfLoaded(BlockPosition blockposition) {
+ IChunkAccess chunk = this.getChunkIfLoadedImmediately(blockposition.getX() >> 4, blockposition.getZ() >> 4);
+ return chunk == null ? null : chunk.getType(blockposition);
+ }
+
+ @Override
+ public Fluid getFluidIfLoaded(BlockPosition blockposition) {
+ IChunkAccess chunk = this.getChunkIfLoadedImmediately(blockposition.getX() >> 4, blockposition.getZ() >> 4);
+ return chunk == null ? null : chunk.getFluid(blockposition);
+ }
+ // Paper end
+
@Override
public IBlockData getType(BlockPosition blockposition) {
return this.getChunkAt(blockposition.getX() >> 4, blockposition.getZ() >> 4).getType(blockposition);
diff --git a/src/main/java/net/minecraft/server/RegistryBlockID.java b/src/main/java/net/minecraft/server/RegistryBlockID.java
index 4efcb8b595750891b421e524812542f0f67e9f3f..60948afa4ead71010dc27c7cef3e5acdb0ba005a 100644
--- a/src/main/java/net/minecraft/server/RegistryBlockID.java
+++ b/src/main/java/net/minecraft/server/RegistryBlockID.java
@@ -57,6 +57,7 @@ public class RegistryBlockID<T> implements Registry<T> {
return Iterators.filter(this.c.iterator(), Predicates.notNull());
}
+ public int size() { return this.a(); } // Paper - OBFHELPER
public int a() {
return this.b.size();
}
diff --git a/src/main/java/net/minecraft/server/SystemUtils.java b/src/main/java/net/minecraft/server/SystemUtils.java
index 80ee8d196436e271833503a0e123401d1b3314a9..275c1d2d1eb2649de9a9b5aece6e88c21362efba 100644
--- a/src/main/java/net/minecraft/server/SystemUtils.java
+++ b/src/main/java/net/minecraft/server/SystemUtils.java
@@ -68,7 +68,7 @@ public class SystemUtils {
}
public static long getMonotonicNanos() {
- return SystemUtils.a.getAsLong();
+ return System.nanoTime(); // Paper
}
public static long getTimeMillis() {
diff --git a/src/main/java/net/minecraft/server/TicketType.java b/src/main/java/net/minecraft/server/TicketType.java
index f82db93f88223ffddc55deec8f21efc5b774d900..75ab9f185b3231113dfa387c956a707b403bb2db 100644
--- a/src/main/java/net/minecraft/server/TicketType.java
+++ b/src/main/java/net/minecraft/server/TicketType.java
@@ -21,6 +21,7 @@ public class TicketType<T> {
public static final TicketType<ChunkCoordIntPair> UNKNOWN = a("unknown", Comparator.comparingLong(ChunkCoordIntPair::pair), 1);
public static final TicketType<Unit> PLUGIN = a("plugin", (a, b) -> 0); // CraftBukkit
public static final TicketType<org.bukkit.plugin.Plugin> PLUGIN_TICKET = a("plugin_ticket", (plugin1, plugin2) -> plugin1.getClass().getName().compareTo(plugin2.getClass().getName())); // CraftBukkit
+ public static final TicketType<Long> FUTURE_AWAIT = a("future_await", Long::compareTo); // Paper
public static <T> TicketType<T> a(String s, Comparator<T> comparator) {
return new TicketType<>(s, comparator, 0L);
diff --git a/src/main/java/net/minecraft/server/VoxelShapes.java b/src/main/java/net/minecraft/server/VoxelShapes.java
index 3c08ae0cf92ab1f5395662e957ab4d9c03e13deb..86f6f082fe2991ea9065b09c9680b76ca1cf7154 100644
--- a/src/main/java/net/minecraft/server/VoxelShapes.java
+++ b/src/main/java/net/minecraft/server/VoxelShapes.java
@@ -21,10 +21,12 @@ public final class VoxelShapes {
public static final VoxelShape a = create(Double.NEGATIVE_INFINITY, Double.NEGATIVE_INFINITY, Double.NEGATIVE_INFINITY, Double.POSITIVE_INFINITY, Double.POSITIVE_INFINITY, Double.POSITIVE_INFINITY);
private static final VoxelShape c = new VoxelShapeArray(new VoxelShapeBitSet(0, 0, 0), new DoubleArrayList(new double[]{0.0D}), new DoubleArrayList(new double[]{0.0D}), new DoubleArrayList(new double[]{0.0D}));
+ public static final VoxelShape empty() {return a();} // Paper - OBFHELPER
public static VoxelShape a() {
return VoxelShapes.c;
}
+ public static final VoxelShape fullCube() {return b();} // Paper - OBFHELPER
public static VoxelShape b() {
return VoxelShapes.b;
}
diff --git a/src/main/java/net/minecraft/server/World.java b/src/main/java/net/minecraft/server/World.java
index c2403484daa7d0973b27654a9b48d0945661aa6c..fc7e29abc5a2e4fdf03f61e54c2ab716273df813 100644
--- a/src/main/java/net/minecraft/server/World.java
+++ b/src/main/java/net/minecraft/server/World.java
@@ -22,6 +22,7 @@ import org.bukkit.craftbukkit.SpigotTimings; // Spigot
import org.bukkit.craftbukkit.CraftServer;
import org.bukkit.craftbukkit.CraftWorld;
import org.bukkit.craftbukkit.block.CapturedBlockState;
+import org.bukkit.craftbukkit.block.CraftBlockState;
import org.bukkit.craftbukkit.block.data.CraftBlockData;
import org.bukkit.event.block.BlockPhysicsEvent;
// CraftBukkit end
@@ -95,7 +96,7 @@ public abstract class World implements GeneratorAccess, AutoCloseable {
protected World(WorldDataMutable worlddatamutable, ResourceKey<World> resourcekey, ResourceKey<DimensionManager> resourcekey1, DimensionManager dimensionmanager, Supplier<GameProfilerFiller> supplier, boolean flag, boolean flag1, long i, org.bukkit.generator.ChunkGenerator gen, org.bukkit.World.Environment env) {
this.spigotConfig = new org.spigotmc.SpigotWorldConfig(((WorldDataServer) worlddatamutable).getName()); // Spigot
- this.paperConfig = new com.destroystokyo.paper.PaperWorldConfig(worlddata.getName(), this.spigotConfig); // Paper
+ this.paperConfig = new com.destroystokyo.paper.PaperWorldConfig((((WorldDataServer)worlddatamutable).getName()), this.spigotConfig); // Paper
this.generator = gen;
this.world = new CraftWorld((WorldServer) this, gen, env);
this.ticksPerAnimalSpawns = this.getServer().getTicksPerAnimalSpawns(); // CraftBukkit
@@ -247,6 +248,39 @@ public abstract class World implements GeneratorAccess, AutoCloseable {
return (Chunk) this.getChunkAt(i, j, ChunkStatus.FULL);
}
+ // Paper start - if loaded
+ @Nullable
+ @Override
+ public IChunkAccess getChunkIfLoadedImmediately(int x, int z) {
+ return ((WorldServer)this).chunkProvider.getChunkAtIfLoadedImmediately(x, z);
+ }
+
+ @Override
+ public IBlockData getTypeIfLoaded(BlockPosition blockposition) {
+ // CraftBukkit start - tree generation
+ if (captureTreeGeneration) {
+ CraftBlockState previous = capturedBlockStates.get(blockposition);
+ if (previous != null) {
+ return previous.getHandle();
+ }
+ }
+ // CraftBukkit end
+ if (!isValidLocation(blockposition)) {
+ return Blocks.AIR.getBlockData();
+ }
+ IChunkAccess chunk = this.getChunkIfLoadedImmediately(blockposition.getX() >> 4, blockposition.getZ() >> 4);
+
+ return chunk == null ? null : chunk.getType(blockposition);
+ }
+
+ @Override
+ public Fluid getFluidIfLoaded(BlockPosition blockposition) {
+ IChunkAccess chunk = this.getChunkIfLoadedImmediately(blockposition.getX() >> 4, blockposition.getZ() >> 4);
+
+ return chunk == null ? null : chunk.getFluid(blockposition);
+ }
+ // Paper end
+
@Override
public IChunkAccess getChunkAt(int i, int j, ChunkStatus chunkstatus, boolean flag) {
IChunkAccess ichunkaccess = this.getChunkProvider().getChunkAt(i, j, chunkstatus, flag);
@@ -405,8 +439,9 @@ public abstract class World implements GeneratorAccess, AutoCloseable {
public void a(BlockPosition blockposition, IBlockData iblockdata, IBlockData iblockdata1) {}
- @Override
- public boolean a(BlockPosition blockposition, boolean flag) {
+ public boolean setAir(BlockPosition blockposition) { return this.a(blockposition, false); } // Paper - OBFHELPER
+ public boolean setAir(BlockPosition blockposition, boolean moved) { return this.a(blockposition, moved); } // Paper - OBFHELPER
+ @Override public boolean a(BlockPosition blockposition, boolean flag) { // Paper - OBFHELPER
Fluid fluid = this.getFluid(blockposition);
return this.setTypeAndData(blockposition, fluid.getBlockData(), 3 | (flag ? 64 : 0));
diff --git a/src/main/java/net/minecraft/server/WorldBorder.java b/src/main/java/net/minecraft/server/WorldBorder.java
index ddc4570139fd9b82f4b740697e84775f5ff0a75a..d039e715624d33fc3ec9e87d5ad992415e7dc6b9 100644
--- a/src/main/java/net/minecraft/server/WorldBorder.java
+++ b/src/main/java/net/minecraft/server/WorldBorder.java
@@ -37,6 +37,7 @@ public class WorldBorder {
return this.b(entity.locX(), entity.locZ());
}
+ public final VoxelShape asVoxelShape(){ return c();} // Paper - OBFHELPER
public VoxelShape c() {
return this.j.m();
}
diff --git a/src/main/java/net/minecraft/server/WorldServer.java b/src/main/java/net/minecraft/server/WorldServer.java
index f92d2e8bac5efc281988700c1a9aede36253c15b..f89611f1d8ef318a4141d62ea6a2583bd365d3f1 100644
--- a/src/main/java/net/minecraft/server/WorldServer.java
+++ b/src/main/java/net/minecraft/server/WorldServer.java
@@ -56,7 +56,7 @@ public class WorldServer extends World implements GeneratorAccessSeed {
private final Map<UUID, Entity> entitiesByUUID = Maps.newHashMap();
private final Queue<Entity> entitiesToAdd = Queues.newArrayDeque();
private final List<EntityPlayer> players = Lists.newArrayList();
- private final ChunkProviderServer chunkProvider;
+ public final ChunkProviderServer chunkProvider; // Paper - public
boolean tickingEntities;
private final MinecraftServer server;
public final WorldDataServer worldDataServer; // CraftBukkit - type
diff --git a/src/main/java/org/bukkit/craftbukkit/inventory/CraftItemStack.java b/src/main/java/org/bukkit/craftbukkit/inventory/CraftItemStack.java
index 62cdb32a63cdcbaee80946f73d23817bbb455488..721a1c6bd4505cb132e7004c45b795d4959389e3 100644
--- a/src/main/java/org/bukkit/craftbukkit/inventory/CraftItemStack.java
+++ b/src/main/java/org/bukkit/craftbukkit/inventory/CraftItemStack.java
@@ -85,6 +85,7 @@ public final class CraftItemStack extends ItemStack {
}
net.minecraft.server.ItemStack handle;
+ public net.minecraft.server.ItemStack getHandle() { return handle; } // Paper
/**
* Mirror
diff --git a/src/main/java/org/bukkit/craftbukkit/scheduler/CraftScheduler.java b/src/main/java/org/bukkit/craftbukkit/scheduler/CraftScheduler.java
index 9ad17c560c8d99a396543ab9f97c34de648f6544..4bf48f77f3f7cd62a91590543f5af441c8268029 100644
--- a/src/main/java/org/bukkit/craftbukkit/scheduler/CraftScheduler.java
+++ b/src/main/java/org/bukkit/craftbukkit/scheduler/CraftScheduler.java
@@ -43,6 +43,7 @@ import org.bukkit.scheduler.BukkitWorker;
*/
public class CraftScheduler implements BukkitScheduler {
+ static Plugin MINECRAFT = new MinecraftInternalPlugin();
/**
* Counter for IDs. Order doesn't matter, only uniqueness.
*/
@@ -177,6 +178,11 @@ public class CraftScheduler implements BukkitScheduler {
runTaskTimer(plugin, (Object) task, delay, period);
}
+ public BukkitTask scheduleInternalTask(Runnable run, int delay, String taskName) {
+ final CraftTask task = new CraftTask(run, nextId(), taskName);
+ return handle(task, delay);
+ }
+
public BukkitTask runTaskTimer(Plugin plugin, Object runnable, long delay, long period) {
validate(plugin, runnable);
if (delay < 0L) {
@@ -400,13 +406,20 @@ public class CraftScheduler implements BukkitScheduler {
task.run();
task.timings.stopTiming(); // Spigot
} catch (final Throwable throwable) {
- task.getOwner().getLogger().log(
+ // Paper start
+ String msg = String.format(
+ "Task #%s for %s generated an exception",
+ task.getTaskId(),
+ task.getOwner().getDescription().getFullName());
+ if (task.getOwner() == MINECRAFT) {
+ net.minecraft.server.MinecraftServer.LOGGER.error(msg, throwable);
+ } else {
+ task.getOwner().getLogger().log(
Level.WARNING,
- String.format(
- "Task #%s for %s generated an exception",
- task.getTaskId(),
- task.getOwner().getDescription().getFullName()),
+ msg,
throwable);
+ }
+ // Paper end
} finally {
currentTask = null;
}
diff --git a/src/main/java/org/bukkit/craftbukkit/scheduler/CraftTask.java b/src/main/java/org/bukkit/craftbukkit/scheduler/CraftTask.java
index 3f55381c152b9841b524f623c9b32360e97cb8ed..d85e21b75054067b926ecfee89d62c6dd0744189 100644
--- a/src/main/java/org/bukkit/craftbukkit/scheduler/CraftTask.java
+++ b/src/main/java/org/bukkit/craftbukkit/scheduler/CraftTask.java
@@ -39,6 +39,21 @@ public class CraftTask implements BukkitTask, Runnable { // Spigot
CraftTask(final Object task) {
this(null, task, CraftTask.NO_REPEATING, CraftTask.NO_REPEATING);
}
+ // Paper start
+ public String taskName = null;
+ boolean internal = false;
+ CraftTask(final Object task, int id, String taskName) {
+ this.rTask = (Runnable) task;
+ this.cTask = null;
+ this.plugin = CraftScheduler.MINECRAFT;
+ this.taskName = taskName;
+ this.internal = true;
+ this.id = id;
+ this.period = CraftTask.NO_REPEATING;
+ this.taskName = taskName;
+ this.timings = null; // Will be changed in later patch
+ }
+ // Paper end
CraftTask(final Plugin plugin, final Object task, final int id, final long period) {
this.plugin = plugin;
diff --git a/src/main/java/org/bukkit/craftbukkit/scheduler/MinecraftInternalPlugin.java b/src/main/java/org/bukkit/craftbukkit/scheduler/MinecraftInternalPlugin.java
new file mode 100644
index 0000000000000000000000000000000000000000..49dc0c441b9dd7e7745cf15ced67f383ebee1f99
--- /dev/null
+++ b/src/main/java/org/bukkit/craftbukkit/scheduler/MinecraftInternalPlugin.java
@@ -0,0 +1,132 @@
+package org.bukkit.craftbukkit.scheduler;
+
+
+import org.bukkit.Server;
+import org.bukkit.command.Command;
+import org.bukkit.command.CommandSender;
+import org.bukkit.configuration.file.FileConfiguration;
+import org.bukkit.generator.ChunkGenerator;
+import org.bukkit.plugin.PluginBase;
+import org.bukkit.plugin.PluginDescriptionFile;
+import org.bukkit.plugin.PluginLoader;
+import org.bukkit.plugin.PluginLogger;
+
+import java.io.File;
+import java.io.InputStream;
+import java.util.List;
+
+public class MinecraftInternalPlugin extends PluginBase {
+ private boolean enabled = true;
+
+ private final String pluginName;
+ private PluginDescriptionFile pdf;
+
+ public MinecraftInternalPlugin() {
+ this.pluginName = "Minecraft";
+ pdf = new PluginDescriptionFile(pluginName, "1.0", "nms");
+ }
+
+ public void setEnabled(boolean enabled) {
+ this.enabled = enabled;
+ }
+
+ @Override
+ public File getDataFolder() {
+ throw new UnsupportedOperationException("Not supported.");
+ }
+
+ @Override
+ public PluginDescriptionFile getDescription() {
+ return pdf;
+ }
+
+ @Override
+ public FileConfiguration getConfig() {
+ throw new UnsupportedOperationException("Not supported.");
+ }
+
+ @Override
+ public InputStream getResource(String filename) {
+ throw new UnsupportedOperationException("Not supported.");
+ }
+
+ @Override
+ public void saveConfig() {
+ throw new UnsupportedOperationException("Not supported.");
+ }
+
+ @Override
+ public void saveDefaultConfig() {
+ throw new UnsupportedOperationException("Not supported.");
+ }
+
+ @Override
+ public void saveResource(String resourcePath, boolean replace) {
+ throw new UnsupportedOperationException("Not supported.");
+ }
+
+ @Override
+ public void reloadConfig() {
+ throw new UnsupportedOperationException("Not supported.");
+ }
+
+ @Override
+ public PluginLogger getLogger() {
+ throw new UnsupportedOperationException("Not supported.");
+ }
+
+ @Override
+ public PluginLoader getPluginLoader() {
+ throw new UnsupportedOperationException("Not supported.");
+ }
+
+ @Override
+ public Server getServer() {
+ throw new UnsupportedOperationException("Not supported.");
+ }
+
+ @Override
+ public boolean isEnabled() {
+ return enabled;
+ }
+
+ @Override
+ public void onDisable() {
+ throw new UnsupportedOperationException("Not supported.");
+ }
+
+ @Override
+ public void onLoad() {
+ throw new UnsupportedOperationException("Not supported.");
+ }
+
+ @Override
+ public void onEnable() {
+ throw new UnsupportedOperationException("Not supported.");
+ }
+
+ @Override
+ public boolean isNaggable() {
+ throw new UnsupportedOperationException("Not supported.");
+ }
+
+ @Override
+ public void setNaggable(boolean canNag) {
+ throw new UnsupportedOperationException("Not supported.");
+ }
+
+ @Override
+ public ChunkGenerator getDefaultWorldGenerator(String worldName, String id) {
+ throw new UnsupportedOperationException("Not supported.");
+ }
+
+ @Override
+ public boolean onCommand(CommandSender sender, Command command, String label, String[] args) {
+ throw new UnsupportedOperationException("Not supported.");
+ }
+
+ @Override
+ public List<String> onTabComplete(CommandSender sender, Command command, String alias, String[] args) {
+ throw new UnsupportedOperationException("Not supported.");
+ }
+}
diff --git a/src/main/java/org/bukkit/craftbukkit/util/DummyGeneratorAccess.java b/src/main/java/org/bukkit/craftbukkit/util/DummyGeneratorAccess.java
index eb87f3720977e4e980d26e9cfd4fed0a808636dd..b6c39bf77e716addc9d2a1e915687bc770e937f4 100644
--- a/src/main/java/org/bukkit/craftbukkit/util/DummyGeneratorAccess.java
+++ b/src/main/java/org/bukkit/craftbukkit/util/DummyGeneratorAccess.java
@@ -187,4 +187,22 @@ public class DummyGeneratorAccess implements GeneratorAccess {
public boolean a(BlockPosition blockposition, boolean flag, Entity entity, int i) {
throw new UnsupportedOperationException("Not supported yet.");
}
+
+ // Paper start - if loaded util
+ @javax.annotation.Nullable
+ @Override
+ public IChunkAccess getChunkIfLoadedImmediately(int x, int z) {
+ throw new UnsupportedOperationException("Not supported yet.");
+ }
+
+ @Override
+ public IBlockData getTypeIfLoaded(BlockPosition blockposition) {
+ throw new UnsupportedOperationException("Not supported yet.");
+ }
+
+ @Override
+ public Fluid getFluidIfLoaded(BlockPosition blockposition) {
+ throw new UnsupportedOperationException("Not supported yet.");
+ }
+ // Paper end
}
diff --git a/src/main/java/org/bukkit/craftbukkit/util/UnsafeList.java b/src/main/java/org/bukkit/craftbukkit/util/UnsafeList.java
index 1aec70a1f1a9d8fd2cd06bde4033e19e769ab331..f72c13bedaa6fa45e26f5dcad564835bdd4af61f 100644
--- a/src/main/java/org/bukkit/craftbukkit/util/UnsafeList.java
+++ b/src/main/java/org/bukkit/craftbukkit/util/UnsafeList.java
@@ -17,7 +17,7 @@ import java.util.RandomAccess;
public class UnsafeList<E> extends AbstractList<E> implements List<E>, RandomAccess, Cloneable, Serializable {
private static final long serialVersionUID = 8683452581112892191L;
- private transient Object[] data;
+ private transient Object[] data; public final Object[] getRawDataArray() { return this.data; } // Paper - expose for raw get
private int size;
private int initialCapacity;
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