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Paper/Spigot-Server-Patches/0412-implement-optional-per-player-mob-spawns.patch
Spottedleaf b2758246c8 Target more sync loads (#2476)
2019-09-01 17:17:51 -05:00

807 Zeilen
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From 838de9697614e9960cc0adf901811992c98cb71f Mon Sep 17 00:00:00 2001
From: kickash32 <kickash32@gmail.com>
Date: Mon, 19 Aug 2019 01:27:58 +0500
Subject: [PATCH] implement optional per player mob spawns
diff --git a/src/main/java/co/aikar/timings/WorldTimingsHandler.java b/src/main/java/co/aikar/timings/WorldTimingsHandler.java
index f4d5db02f..24b4c6e6a 100644
--- a/src/main/java/co/aikar/timings/WorldTimingsHandler.java
+++ b/src/main/java/co/aikar/timings/WorldTimingsHandler.java
@@ -69,6 +69,8 @@ public class WorldTimingsHandler {
public final Timing chunkUnloadPOISerialization;
public final Timing chunkUnloadDataSave;
+ public final Timing playerMobDistanceMapUpdate;
+
public WorldTimingsHandler(World server) {
String name = server.worldData.getName() +" - ";
@@ -134,6 +136,8 @@ public class WorldTimingsHandler {
chunkUnloadPrepareSave = Timings.ofSafe(name + "Chunk unload - Async Save Prepare");
chunkUnloadPOISerialization = Timings.ofSafe(name + "Chunk unload - POI Data Serialization");
chunkUnloadDataSave = Timings.ofSafe(name + "Chunk unload - Data Serialization");
+
+ playerMobDistanceMapUpdate = Timings.ofSafe(name + "Per Player Mob Spawning - Distance Map Update");
}
public static Timing getTickList(WorldServer worldserver, String timingsType) {
diff --git a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
index e7bbeef74..246bb4b01 100644
--- a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
+++ b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
@@ -615,4 +615,9 @@ public class PaperWorldConfig {
}
}
}
+
+ public boolean perPlayerMobSpawns = false;
+ private void perPlayerMobSpawns() {
+ perPlayerMobSpawns = getBoolean("per-player-mob-spawns", false);
+ }
}
diff --git a/src/main/java/com/destroystokyo/paper/util/PlayerMobDistanceMap.java b/src/main/java/com/destroystokyo/paper/util/PlayerMobDistanceMap.java
new file mode 100644
index 000000000..9ebd7ecb7
--- /dev/null
+++ b/src/main/java/com/destroystokyo/paper/util/PlayerMobDistanceMap.java
@@ -0,0 +1,253 @@
+package com.destroystokyo.paper.util;
+
+import it.unimi.dsi.fastutil.longs.Long2ObjectLinkedOpenHashMap;
+import it.unimi.dsi.fastutil.longs.Long2ObjectOpenHashMap;
+import it.unimi.dsi.fastutil.objects.ObjectLinkedOpenHashSet;
+import net.minecraft.server.ChunkCoordIntPair;
+import net.minecraft.server.EntityPlayer;
+import net.minecraft.server.SectionPosition;
+import org.spigotmc.AsyncCatcher;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+
+/** @author Spottedleaf */
+public final class PlayerMobDistanceMap {
+
+ private static final PooledHashSets.PooledObjectLinkedOpenHashSet<EntityPlayer> EMPTY_SET = new PooledHashSets.PooledObjectLinkedOpenHashSet<>();
+
+ private final Map<EntityPlayer, SectionPosition> players = new HashMap<>();
+ // we use linked for better iteration.
+ private final Long2ObjectOpenHashMap<PooledHashSets.PooledObjectLinkedOpenHashSet<EntityPlayer>> playerMap = new Long2ObjectOpenHashMap<>(32, 0.5f);
+ private int viewDistance;
+
+ private final PooledHashSets<EntityPlayer> pooledHashSets = new PooledHashSets<>();
+
+ public PooledHashSets.PooledObjectLinkedOpenHashSet<EntityPlayer> getPlayersInRange(final ChunkCoordIntPair chunkPos) {
+ return this.getPlayersInRange(chunkPos.x, chunkPos.z);
+ }
+
+ public PooledHashSets.PooledObjectLinkedOpenHashSet<EntityPlayer> getPlayersInRange(final int chunkX, final int chunkZ) {
+ return this.playerMap.getOrDefault(ChunkCoordIntPair.pair(chunkX, chunkZ), EMPTY_SET);
+ }
+
+ public void update(final List<EntityPlayer> currentPlayers, final int newViewDistance) {
+ AsyncCatcher.catchOp("Distance map update");
+ final ObjectLinkedOpenHashSet<EntityPlayer> gone = new ObjectLinkedOpenHashSet<>(this.players.keySet());
+
+ final int oldViewDistance = this.viewDistance;
+ this.viewDistance = newViewDistance;
+
+ for (final EntityPlayer player : currentPlayers) {
+ if (player.isSpectator() || !player.affectsSpawning) {
+ continue; // will be left in 'gone' (or not added at all)
+ }
+
+ gone.remove(player);
+
+ final SectionPosition newPosition = player.getPlayerMapSection();
+ final SectionPosition oldPosition = this.players.put(player, newPosition);
+
+ if (oldPosition == null) {
+ this.addNewPlayer(player, newPosition, newViewDistance);
+ } else {
+ this.updatePlayer(player, oldPosition, newPosition, oldViewDistance, newViewDistance);
+ }
+ //this.validatePlayer(player, newViewDistance); // debug only
+ }
+
+ for (final EntityPlayer player : gone) {
+ final SectionPosition oldPosition = this.players.remove(player);
+ if (oldPosition != null) {
+ this.removePlayer(player, oldPosition, oldViewDistance);
+ }
+ }
+ }
+
+ // expensive op, only for debug
+ private void validatePlayer(final EntityPlayer player, final int viewDistance) {
+ int entiesGot = 0;
+ int expectedEntries = (2 * viewDistance + 1);
+ expectedEntries *= expectedEntries;
+
+ final SectionPosition currPosition = player.getPlayerMapSection();
+
+ final int centerX = currPosition.getX();
+ final int centerZ = currPosition.getZ();
+
+ for (final Long2ObjectLinkedOpenHashMap.Entry<PooledHashSets.PooledObjectLinkedOpenHashSet<EntityPlayer>> entry : this.playerMap.long2ObjectEntrySet()) {
+ final long key = entry.getLongKey();
+ final PooledHashSets.PooledObjectLinkedOpenHashSet<EntityPlayer> map = entry.getValue();
+
+ if (map.referenceCount == 0) {
+ throw new IllegalStateException("Invalid map");
+ }
+
+ if (map.set.contains(player)) {
+ ++entiesGot;
+
+ final int chunkX = ChunkCoordIntPair.getX(key);
+ final int chunkZ = ChunkCoordIntPair.getZ(key);
+
+ final int dist = Math.max(Math.abs(chunkX - centerX), Math.abs(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 addPlayerTo(final EntityPlayer player, final int chunkX, final int chunkZ) {
+ this.playerMap.compute(ChunkCoordIntPair.pair(chunkX, chunkZ), (final Long key, final PooledHashSets.PooledObjectLinkedOpenHashSet<EntityPlayer> players) -> {
+ if (players == null) {
+ return player.cachedSingleMobDistanceMap;
+ } else {
+ return PlayerMobDistanceMap.this.pooledHashSets.findMapWith(players, player);
+ }
+ });
+ }
+
+ private void removePlayerFrom(final EntityPlayer player, final int chunkX, final int chunkZ) {
+ this.playerMap.compute(ChunkCoordIntPair.pair(chunkX, chunkZ), (final Long keyInMap, final PooledHashSets.PooledObjectLinkedOpenHashSet<EntityPlayer> players) -> {
+ return PlayerMobDistanceMap.this.pooledHashSets.findMapWithout(players, player); // rets null instead of an empty map
+ });
+ }
+
+ private void updatePlayer(final EntityPlayer player, final SectionPosition oldPosition, final SectionPosition newPosition, final int oldViewDistance, final int newViewDistance) {
+ final int toX = newPosition.getX();
+ final int toZ = newPosition.getZ();
+ final int fromX = oldPosition.getX();
+ final int fromZ = oldPosition.getZ();
+
+ final int dx = toX - fromX;
+ final int dz = toZ - fromZ;
+
+ final int totalX = Math.abs(fromX - toX);
+ final int totalZ = Math.abs(fromZ - toZ);
+
+ if (Math.max(totalX, totalZ) > (2 * oldViewDistance)) {
+ // teleported?
+ this.removePlayer(player, oldPosition, oldViewDistance);
+ this.addNewPlayer(player, newPosition, newViewDistance);
+ 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
+
+ if (oldViewDistance == newViewDistance) {
+ // same view distance
+
+ // used for relative positioning
+ final int up = 1 | (dz >> (Integer.SIZE - 1)); // 1 if dz >= 0, -1 otherwise
+ final int right = 1 | (dx >> (Integer.SIZE - 1)); // 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.addPlayerTo(player, currX, currZ);
+ }
+ }
+ }
+
+ 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.addPlayerTo(player, currX, currZ);
+ }
+ }
+ }
+
+ 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.removePlayerFrom(player, currX, currZ);
+ }
+ }
+ }
+
+ 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.removePlayerFrom(player, currX, currZ);
+ }
+ }
+ }
+ } else {
+ // different view distance
+ // for now :)
+ this.removePlayer(player, oldPosition, oldViewDistance);
+ this.addNewPlayer(player, newPosition, newViewDistance);
+ }
+ }
+
+ private void removePlayer(final EntityPlayer player, final SectionPosition position, final int viewDistance) {
+ final int x = position.getX();
+ final int z = position.getZ();
+
+ for (int xoff = -viewDistance; xoff <= viewDistance; ++xoff) {
+ for (int zoff = -viewDistance; zoff <= viewDistance; ++zoff) {
+ this.removePlayerFrom(player, x + xoff, z + zoff);
+ }
+ }
+ }
+
+ private void addNewPlayer(final EntityPlayer player, final SectionPosition position, final int viewDistance) {
+ final int x = position.getX();
+ final int z = position.getZ();
+
+ for (int xoff = -viewDistance; xoff <= viewDistance; ++xoff) {
+ for (int zoff = -viewDistance; zoff <= viewDistance; ++zoff) {
+ this.addPlayerTo(player, x + xoff, z + zoff);
+ }
+ }
+ }
+}
diff --git a/src/main/java/com/destroystokyo/paper/util/PooledHashSets.java b/src/main/java/com/destroystokyo/paper/util/PooledHashSets.java
new file mode 100644
index 000000000..4f13d3ff8
--- /dev/null
+++ b/src/main/java/com/destroystokyo/paper/util/PooledHashSets.java
@@ -0,0 +1,241 @@
+package com.destroystokyo.paper.util;
+
+import it.unimi.dsi.fastutil.objects.Object2ObjectOpenHashMap;
+import it.unimi.dsi.fastutil.objects.ObjectLinkedOpenHashSet;
+import java.lang.ref.WeakReference;
+import java.util.Iterator;
+
+/** @author Spottedleaf */
+public class PooledHashSets<E> {
+
+ // we really want to avoid that equals() check as much as possible...
+ protected final Object2ObjectOpenHashMap<PooledObjectLinkedOpenHashSet<E>, PooledObjectLinkedOpenHashSet<E>> mapPool = new Object2ObjectOpenHashMap<>(64, 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) {
+ if (cached.referenceCount != -1) {
+ ++cached.referenceCount;
+ }
+
+ decrementReferenceCount(current);
+
+ 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) {
+ if (cached.referenceCount != -1) {
+ ++cached.referenceCount;
+ }
+
+ decrementReferenceCount(current);
+
+ 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;
+ }
+
+ public static final class PooledObjectLinkedOpenHashSet<E> implements Iterable<E> {
+
+ private static final WeakReference NULL_REFERENCE = new WeakReference(null);
+
+ final ObjectLinkedOpenHashSet<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() {
+ this.set = new ObjectLinkedOpenHashSet<>(2, 0.6f);
+ }
+
+ public PooledObjectLinkedOpenHashSet(final E single) {
+ this();
+ 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
+ static int hash0(int x) {
+ x *= 0x36935555;
+ x ^= x >>> 16;
+ return x;
+ }
+
+ public PooledObjectLinkedOpenHashSet<E> getAddCache(final E element) {
+ final E currentAdd = this.lastAddObject.get();
+
+ if (currentAdd == null || !(currentAdd == element || currentAdd.equals(element))) {
+ return null;
+ }
+
+ final PooledObjectLinkedOpenHashSet<E> map = this.lastAddMap.get();
+ if (map == null || map.referenceCount == 0) {
+ // we need to ret null if ref count is zero as calling code will assume the map is in use
+ return null;
+ }
+
+ return map;
+ }
+
+ public PooledObjectLinkedOpenHashSet<E> getRemoveCache(final E element) {
+ final E currentRemove = this.lastRemoveObject.get();
+
+ if (currentRemove == null || !(currentRemove == element || currentRemove.equals(element))) {
+ return null;
+ }
+
+ final PooledObjectLinkedOpenHashSet<E> map = this.lastRemoveMap.get();
+ if (map == null || map.referenceCount == 0) {
+ // we need to ret null if ref count is zero as calling code will assume the map is in use
+ return null;
+ }
+
+ return map;
+ }
+
+ public void updateAddCache(final E element, final PooledObjectLinkedOpenHashSet<E> map) {
+ this.lastAddObject = new WeakReference<>(element);
+ this.lastAddMap = new WeakReference<>(map);
+ }
+
+ public 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;
+ }
+
+ @Override
+ public Iterator<E> iterator() {
+ return this.set.iterator();
+ }
+
+ @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/net/minecraft/server/ChunkProviderServer.java b/src/main/java/net/minecraft/server/ChunkProviderServer.java
index 17f04fb81..bc5011312 100644
--- a/src/main/java/net/minecraft/server/ChunkProviderServer.java
+++ b/src/main/java/net/minecraft/server/ChunkProviderServer.java
@@ -555,7 +555,22 @@ public class ChunkProviderServer extends IChunkProvider {
this.world.timings.countNaturalMobs.startTiming(); // Paper - timings
int l = this.chunkMapDistance.b();
EnumCreatureType[] aenumcreaturetype = EnumCreatureType.values();
- Object2IntMap<EnumCreatureType> object2intmap = this.world.l();
+ // Paper start - per player mob spawning
+ int[] worldMobCount;
+ if (this.playerChunkMap.playerMobDistanceMap != null) {
+ // update distance map
+ this.world.timings.playerMobDistanceMapUpdate.startTiming();
+ this.playerChunkMap.playerMobDistanceMap.update(this.world.players, this.playerChunkMap.viewDistance);
+ this.world.timings.playerMobDistanceMapUpdate.stopTiming();
+ // re-set mob counts
+ for (EntityPlayer player : this.world.players) {
+ Arrays.fill(player.mobCounts, 0);
+ }
+ worldMobCount = this.world.countMobs(true);
+ } else {
+ worldMobCount = this.world.countMobs(false);
+ }
+ // Paper end
this.world.timings.countNaturalMobs.stopTiming(); // Paper - timings
this.world.getMethodProfiler().exit();
@@ -608,8 +623,23 @@ public class ChunkProviderServer extends IChunkProvider {
if (enumcreaturetype != EnumCreatureType.MISC && (!enumcreaturetype.c() || this.allowAnimals) && (enumcreaturetype.c() || this.allowMonsters) && (!enumcreaturetype.d() || flag2)) {
int k1 = limit * l / ChunkProviderServer.b; // CraftBukkit - use per-world limits
- if (object2intmap.getInt(enumcreaturetype) <= k1) {
- SpawnerCreature.a(enumcreaturetype, (World) this.world, chunk, blockposition);
+ // Paper start - only allow spawns upto the limit per chunk and update count afterwards
+ int currEntityCount = worldMobCount[enumcreaturetype.ordinal()];
+ int difference = k1 - currEntityCount;
+
+ if (this.world.paperConfig.perPlayerMobSpawns) {
+ int minDiff = Integer.MAX_VALUE;
+ for (EntityPlayer entityplayer : this.playerChunkMap.playerMobDistanceMap.getPlayersInRange(chunk.getPos())) {
+ minDiff = Math.min(limit - this.playerChunkMap.getMobCountNear(entityplayer, enumcreaturetype), minDiff);
+ }
+ difference = (minDiff == Integer.MAX_VALUE) ? 0 : minDiff;
+ }
+
+ if (difference > 0) {
+ int spawnCount = SpawnerCreature.spawnMobs(enumcreaturetype, this.world, chunk, blockposition, difference,
+ this.world.paperConfig.perPlayerMobSpawns ? this.playerChunkMap::updatePlayerMobTypeMap : null);
+ worldMobCount[enumcreaturetype.ordinal()] += spawnCount;
+ // Paper end
}
}
}
diff --git a/src/main/java/net/minecraft/server/EntityPlayer.java b/src/main/java/net/minecraft/server/EntityPlayer.java
index 0e29858c0..7801879c8 100644
--- a/src/main/java/net/minecraft/server/EntityPlayer.java
+++ b/src/main/java/net/minecraft/server/EntityPlayer.java
@@ -80,6 +80,11 @@ public class EntityPlayer extends EntityHuman implements ICrafting {
public boolean queueHealthUpdatePacket = false;
public net.minecraft.server.PacketPlayOutUpdateHealth queuedHealthUpdatePacket;
// Paper end
+ // Paper start - mob spawning rework
+ public static final int ENUMCREATURETYPE_TOTAL_ENUMS = EnumCreatureType.values().length;
+ public final int[] mobCounts = new int[ENUMCREATURETYPE_TOTAL_ENUMS]; // Paper
+ public final com.destroystokyo.paper.util.PooledHashSets.PooledObjectLinkedOpenHashSet<EntityPlayer> cachedSingleMobDistanceMap;
+ // Paper end
// CraftBukkit start
public String displayName;
@@ -110,6 +115,7 @@ public class EntityPlayer extends EntityHuman implements ICrafting {
this.displayName = this.getName();
this.canPickUpLoot = true;
this.maxHealthCache = this.getMaxHealth();
+ this.cachedSingleMobDistanceMap = new com.destroystokyo.paper.util.PooledHashSets.PooledObjectLinkedOpenHashSet<>(this); // Paper
}
// Yes, this doesn't match Vanilla, but it's the best we can do for now.
@@ -1770,6 +1776,7 @@ public class EntityPlayer extends EntityHuman implements ICrafting {
this.playerConnection.sendPacket(new PacketPlayOutUnloadChunk(chunkcoordintpair.x, chunkcoordintpair.z));
}
+ public SectionPosition getPlayerMapSection() { return this.M(); } // Paper - OBFHELPER
public SectionPosition M() {
return this.cv;
}
diff --git a/src/main/java/net/minecraft/server/EntityTypes.java b/src/main/java/net/minecraft/server/EntityTypes.java
index a7fc34f85..612b9b7e3 100644
--- a/src/main/java/net/minecraft/server/EntityTypes.java
+++ b/src/main/java/net/minecraft/server/EntityTypes.java
@@ -253,6 +253,7 @@ public class EntityTypes<T extends Entity> {
return this.be;
}
+ public EnumCreatureType getEnumCreatureType() { return this.e(); } // Paper - OBFHELPER
public EnumCreatureType e() {
return this.ba;
}
diff --git a/src/main/java/net/minecraft/server/PlayerChunkMap.java b/src/main/java/net/minecraft/server/PlayerChunkMap.java
index e6b7c41bf..a6b0fb160 100644
--- a/src/main/java/net/minecraft/server/PlayerChunkMap.java
+++ b/src/main/java/net/minecraft/server/PlayerChunkMap.java
@@ -77,7 +77,8 @@ public class PlayerChunkMap extends IChunkLoader implements PlayerChunk.d {
private final PlayerMap playerMap;
public final Int2ObjectMap<PlayerChunkMap.EntityTracker> trackedEntities;
private final Queue<Runnable> A;
- private int viewDistance;
+ int viewDistance; // Paper - private -> package private
+ public final com.destroystokyo.paper.util.PlayerMobDistanceMap playerMobDistanceMap; // Paper
// CraftBukkit start - recursion-safe executor for Chunk loadCallback() and unloadCallback()
public final CallbackExecutor callbackExecutor = new CallbackExecutor();
@@ -135,6 +136,24 @@ public class PlayerChunkMap extends IChunkLoader implements PlayerChunk.d {
this.m = supplier;
this.n = new VillagePlace(new File(this.x, "poi"), datafixer, this.world); // Paper
this.setViewDistance(i);
+ this.playerMobDistanceMap = this.world.paperConfig.perPlayerMobSpawns ? new com.destroystokyo.paper.util.PlayerMobDistanceMap() : null; // Paper
+ }
+
+ public void updatePlayerMobTypeMap(Entity entity) {
+ if (!this.world.paperConfig.perPlayerMobSpawns) {
+ return;
+ }
+ int chunkX = (int)Math.floor(entity.locX) >> 4;
+ int chunkZ = (int)Math.floor(entity.locZ) >> 4;
+ int index = entity.getEntityType().getEnumCreatureType().ordinal();
+
+ for (EntityPlayer player : this.playerMobDistanceMap.getPlayersInRange(chunkX, chunkZ)) {
+ ++player.mobCounts[index];
+ }
+ }
+
+ public int getMobCountNear(EntityPlayer entityPlayer, EnumCreatureType enumCreatureType) {
+ return entityPlayer.mobCounts[enumCreatureType.ordinal()];
}
private static double a(ChunkCoordIntPair chunkcoordintpair, Entity entity) {
diff --git a/src/main/java/net/minecraft/server/SpawnerCreature.java b/src/main/java/net/minecraft/server/SpawnerCreature.java
index c6ea37ffb..9d4a96ae4 100644
--- a/src/main/java/net/minecraft/server/SpawnerCreature.java
+++ b/src/main/java/net/minecraft/server/SpawnerCreature.java
@@ -3,6 +3,7 @@ package net.minecraft.server;
import java.util.List;
import java.util.Objects;
import java.util.Random;
+import java.util.function.Consumer; // Paper
import javax.annotation.Nullable;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
@@ -16,9 +17,14 @@ public final class SpawnerCreature {
private static final Logger LOGGER = LogManager.getLogger();
+ // Paper start - add maxSpawns parameter and return spawned mobs
public static void a(EnumCreatureType enumcreaturetype, World world, Chunk chunk, BlockPosition blockposition) {
+ spawnMobs(enumcreaturetype, world, chunk, blockposition, Integer.MAX_VALUE, null);
+ }
+ public static int spawnMobs(EnumCreatureType enumcreaturetype, World world, Chunk chunk, BlockPosition blockposition, int maxSpawns, Consumer<Entity> trackEntity) {
+ // Paper end
ChunkGenerator<?> chunkgenerator = world.getChunkProvider().getChunkGenerator();
- int i = 0;
+ int i = 0; // Paper - force diff on name change
BlockPosition blockposition1 = getRandomPosition(world, chunk);
int j = blockposition1.getX();
int k = blockposition1.getY();
@@ -88,7 +94,7 @@ public final class SpawnerCreature {
);
if (!event.callEvent()) {
if (event.shouldAbortSpawn()) {
- return;
+ return i; // Paper
}
++i2;
continue;
@@ -107,7 +113,7 @@ public final class SpawnerCreature {
} catch (Exception exception) {
SpawnerCreature.LOGGER.warn("Failed to create mob", exception);
ServerInternalException.reportInternalException(exception); // Paper
- return;
+ return i; // Paper
}
entityinsentient.setPositionRotation((double) f, (double) k, (double) f1, world.random.nextFloat() * 360.0F, 0.0F);
@@ -115,12 +121,16 @@ public final class SpawnerCreature {
groupdataentity = entityinsentient.prepare(world, world.getDamageScaler(new BlockPosition(entityinsentient)), EnumMobSpawn.NATURAL, groupdataentity, (NBTTagCompound) null);
// CraftBukkit start
if (world.addEntity(entityinsentient, SpawnReason.NATURAL)) {
- ++i;
+ ++i; // Paper - force diff on name change
++i2;
+ if (trackEntity != null) {
+ trackEntity.accept(entityinsentient); // Paper
+ }
}
+ if (i >= maxSpawns) { return i; } // Paper
// CraftBukkit end
if (i >= entityinsentient.dC()) {
- return;
+ return i; // Paper
}
if (entityinsentient.c(i2)) {
@@ -146,6 +156,7 @@ public final class SpawnerCreature {
}
}
+ return i; // Paper
}
@Nullable
diff --git a/src/main/java/net/minecraft/server/WorldServer.java b/src/main/java/net/minecraft/server/WorldServer.java
index 845575f52..ee3789b38 100644
--- a/src/main/java/net/minecraft/server/WorldServer.java
+++ b/src/main/java/net/minecraft/server/WorldServer.java
@@ -964,7 +964,20 @@ public class WorldServer extends World {
}
public Object2IntMap<EnumCreatureType> l() {
- Object2IntMap<EnumCreatureType> object2intmap = new Object2IntOpenHashMap();
+ // Paper start
+ int[] values = this.countMobs(false);
+ EnumCreatureType[] byId = EnumCreatureType.values();
+ Object2IntMap<EnumCreatureType> ret = new Object2IntOpenHashMap<>();
+
+ for (int i = 0, len = values.length; i < len; ++i) {
+ ret.put(byId[i], values[i]);
+ }
+
+ return ret;
+ }
+ public int[] countMobs(boolean updatePlayerCounts) {
+ int[] ret = new int[EntityPlayer.ENUMCREATURETYPE_TOTAL_ENUMS];
+ // Paper end
ObjectIterator objectiterator = this.entitiesById.values().iterator();
while (objectiterator.hasNext()) {
@@ -989,11 +1002,16 @@ public class WorldServer extends World {
continue;
}
// Paper end
- object2intmap.mergeInt(enumcreaturetype, 1, Integer::sum);
+ // Paper start - rework mob spawning
+ if (updatePlayerCounts) {
+ this.getChunkProvider().playerChunkMap.updatePlayerMobTypeMap(entity);
+ }
+ ++ret[enumcreaturetype.ordinal()];
+ // Paper end
}
}
- return object2intmap;
+ return ret;
}
@Override
--
2.22.1
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