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9bc70e6888
Paper/patches/server/0341-implement-optional-per-player-mob-spawns.patch
Nassim Jahnke c0936a71bd
Updated Upstream (Bukkit/CraftBukkit/Spigot) (#9440) 
Upstream has released updates that appear 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:
01aa02eb PR-858: Add LivingEntity#playHurtAnimation()
9421320f PR-884: Refinements to new ban API for improved compatibility and correctness
37a60b45 SPIGOT-6455, SPIGOT-7030, PR-750: Improve ban API
4eeb174b All smithing inventories are now the new smithing inventory
f2bb168e PR-880: Add methods to get/set FallingBlock CancelDrop
e7a807fa PR-879: Add Player#sendHealthUpdate()
692b8e96 SPIGOT-7370: Remove float value conversion in plugin.yml
2d033390 SPIGOT-7403: Add direct API for waxed signs
16a08373 PR-876: Add missing Raider API and 'no action ticks'

CraftBukkit Changes:
b60a95c8c PR-1189: Add LivingEntity#playHurtAnimation()
95c335c63 PR-1226: Fix VehicleEnterEvent not being called for certain entities
0a0fc3bee PR-1227: Refinements to new ban API for improved compatibility and correctness
0d0b1e5dc Revert bad change to PathfinderGoalSit causing all cats to sit
648196070 SPIGOT-6455, SPIGOT-7030, PR-1054: Improve ban API
31fe848d6 All smithing inventories are now the new smithing inventory
9a919a143 SPIGOT-7416: SmithItemEvent not firing in Smithing Table
9f64f0d22 PR-1221: Add methods to get/set FallingBlock CancelDrop
3be9ac171 PR-1220: Add Player#sendHealthUpdate()
c1279f775 PR-1209: Clean up various patches
c432e4397 Fix Raider#setCelebrating() implementation
504d96665 SPIGOT-7403: Add direct API for waxed signs
c68c1f1b3 PR-1216: Add missing Raider API and 'no action ticks'
85b89c3dd Increase outdated build delay

Spigot Changes:
9ebce8af Rebuild patches
64b565e6 Rebuild patches
2023-07-04 10:22:56 +02:00

565 Zeilen
27 KiB
Diff
Originalformat Blame Verlauf

From 0000000000000000000000000000000000000000 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/com/destroystokyo/paper/util/PooledHashSets.java b/src/main/java/com/destroystokyo/paper/util/PooledHashSets.java
new file mode 100644
index 0000000000000000000000000000000000000000..11de56afaf059b00fa5bec293516bcdce7c4b2b9
--- /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/level/ChunkMap.java b/src/main/java/net/minecraft/server/level/ChunkMap.java
index c00a625af27cdd80e2e4773ad93ff919f12acf31..5cc0a39622a265e42e6b7d20e81144d1acce59b7 100644
--- a/src/main/java/net/minecraft/server/level/ChunkMap.java
+++ b/src/main/java/net/minecraft/server/level/ChunkMap.java
@@ -151,6 +151,7 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
private final Long2LongMap chunkSaveCooldowns;
private final Queue<Runnable> unloadQueue;
int viewDistance;
+ public final com.destroystokyo.paper.util.misc.PlayerAreaMap playerMobDistanceMap; // Paper
// Paper - rewrite chunk system
@@ -162,11 +163,21 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
int chunkX = MCUtil.getChunkCoordinate(player.getX());
int chunkZ = MCUtil.getChunkCoordinate(player.getZ());
// Note: players need to be explicitly added to distance maps before they can be updated
+ // Paper start - per player mob spawning
+ if (this.playerMobDistanceMap != null) {
+ this.playerMobDistanceMap.add(player, chunkX, chunkZ, io.papermc.paper.chunk.system.ChunkSystem.getTickViewDistance(player));
+ }
+ // Paper end - per player mob spawning
}
void removePlayerFromDistanceMaps(ServerPlayer player) {
this.level.playerChunkLoader.removePlayer(player); // Paper - replace chunk loader
+ // Paper start - per player mob spawning
+ if (this.playerMobDistanceMap != null) {
+ this.playerMobDistanceMap.remove(player);
+ }
+ // Paper end - per player mob spawning
}
void updateMaps(ServerPlayer player) {
@@ -174,6 +185,11 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
int chunkZ = MCUtil.getChunkCoordinate(player.getZ());
// Note: players need to be explicitly added to distance maps before they can be updated
this.level.playerChunkLoader.updatePlayer(player); // Paper - replace chunk loader
+ // Paper start - per player mob spawning
+ if (this.playerMobDistanceMap != null) {
+ this.playerMobDistanceMap.update(player, chunkX, chunkZ, io.papermc.paper.chunk.system.ChunkSystem.getTickViewDistance(player));
+ }
+ // Paper end - per player mob spawning
}
// Paper end
// Paper start
@@ -259,6 +275,7 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
this.dataRegionManager = new io.papermc.paper.chunk.SingleThreadChunkRegionManager(this.level, 2, (1.0 / 3.0), 1, 6, "Data", DataRegionData::new, DataRegionSectionData::new);
this.regionManagers.add(this.dataRegionManager);
// Paper end
+ this.playerMobDistanceMap = this.level.paperConfig().entities.spawning.perPlayerMobSpawns ? new com.destroystokyo.paper.util.misc.PlayerAreaMap(this.pooledLinkedPlayerHashSets) : null; // Paper
}
protected ChunkGenerator generator() {
@@ -284,6 +301,31 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
});
}
+ // Paper start
+ public void updatePlayerMobTypeMap(Entity entity) {
+ if (!this.level.paperConfig().entities.spawning.perPlayerMobSpawns) {
+ return;
+ }
+ int index = entity.getType().getCategory().ordinal();
+
+ final com.destroystokyo.paper.util.misc.PooledLinkedHashSets.PooledObjectLinkedOpenHashSet<ServerPlayer> inRange = this.playerMobDistanceMap.getObjectsInRange(entity.chunkPosition());
+ if (inRange == null) {
+ return;
+ }
+ final Object[] backingSet = inRange.getBackingSet();
+ for (int i = 0; i < backingSet.length; i++) {
+ if (!(backingSet[i] instanceof final ServerPlayer player)) {
+ continue;
+ }
+ ++player.mobCounts[index];
+ }
+ }
+
+ public int getMobCountNear(ServerPlayer entityPlayer, net.minecraft.world.entity.MobCategory mobCategory) {
+ return entityPlayer.mobCounts[mobCategory.ordinal()];
+ }
+ // Paper end
+
private static double euclideanDistanceSquared(ChunkPos pos, Entity entity) {
double d0 = (double) SectionPos.sectionToBlockCoord(pos.x, 8);
double d1 = (double) SectionPos.sectionToBlockCoord(pos.z, 8);
diff --git a/src/main/java/net/minecraft/server/level/ServerChunkCache.java b/src/main/java/net/minecraft/server/level/ServerChunkCache.java
index 5cb151a7d89c7281b03f24c5f79afb7edf7cbfea..d9743139d1cb932c6aac56da85f073e4dfe2933c 100644
--- a/src/main/java/net/minecraft/server/level/ServerChunkCache.java
+++ b/src/main/java/net/minecraft/server/level/ServerChunkCache.java
@@ -543,7 +543,18 @@ public class ServerChunkCache extends ChunkSource {
gameprofilerfiller.push("naturalSpawnCount");
this.level.timings.countNaturalMobs.startTiming(); // Paper - timings
int l = this.distanceManager.getNaturalSpawnChunkCount();
- NaturalSpawner.SpawnState spawnercreature_d = NaturalSpawner.createState(l, this.level.getAllEntities(), this::getFullChunk, new LocalMobCapCalculator(this.chunkMap));
+ // Paper start - per player mob spawning
+ NaturalSpawner.SpawnState spawnercreature_d; // moved down
+ if ((this.spawnFriendlies || this.spawnEnemies) && this.chunkMap.playerMobDistanceMap != null) { // don't count mobs when animals and monsters are disabled
+ // re-set mob counts
+ for (ServerPlayer player : this.level.players) {
+ Arrays.fill(player.mobCounts, 0);
+ }
+ spawnercreature_d = NaturalSpawner.createState(l, this.level.getAllEntities(), this::getFullChunk, null, true);
+ } else {
+ spawnercreature_d = NaturalSpawner.createState(l, this.level.getAllEntities(), this::getFullChunk, this.chunkMap.playerMobDistanceMap == null ? new LocalMobCapCalculator(this.chunkMap) : null, false);
+ }
+ // Paper end
this.level.timings.countNaturalMobs.stopTiming(); // Paper - timings
this.lastSpawnState = spawnercreature_d;
diff --git a/src/main/java/net/minecraft/server/level/ServerPlayer.java b/src/main/java/net/minecraft/server/level/ServerPlayer.java
index 5ea537b98fc038798ada3d60570aaf908571d6b9..9e4e2a23891031589a03a5e8dc3e67091acd360b 100644
--- a/src/main/java/net/minecraft/server/level/ServerPlayer.java
+++ b/src/main/java/net/minecraft/server/level/ServerPlayer.java
@@ -248,6 +248,11 @@ public class ServerPlayer extends Player {
public boolean queueHealthUpdatePacket = false;
public net.minecraft.network.protocol.game.ClientboundSetHealthPacket queuedHealthUpdatePacket;
// Paper end
+ // Paper start - mob spawning rework
+ public static final int MOBCATEGORY_TOTAL_ENUMS = net.minecraft.world.entity.MobCategory.values().length;
+ public final int[] mobCounts = new int[MOBCATEGORY_TOTAL_ENUMS]; // Paper
+ public final com.destroystokyo.paper.util.PooledHashSets.PooledObjectLinkedOpenHashSet<ServerPlayer> cachedSingleMobDistanceMap;
+ // Paper end
// CraftBukkit start
public String displayName;
@@ -380,6 +385,7 @@ public class ServerPlayer extends Player {
this.adventure$displayName = net.kyori.adventure.text.Component.text(this.getScoreboardName()); // Paper
this.bukkitPickUpLoot = 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.
diff --git a/src/main/java/net/minecraft/world/level/NaturalSpawner.java b/src/main/java/net/minecraft/world/level/NaturalSpawner.java
index f22e1d76586980edb2dc962b4d55ad7a542b61a7..a3461824fd2162d509facf6f64c5008e3f0fd42b 100644
--- a/src/main/java/net/minecraft/world/level/NaturalSpawner.java
+++ b/src/main/java/net/minecraft/world/level/NaturalSpawner.java
@@ -70,6 +70,12 @@ public final class NaturalSpawner {
private NaturalSpawner() {}
public static NaturalSpawner.SpawnState createState(int spawningChunkCount, Iterable<Entity> entities, NaturalSpawner.ChunkGetter chunkSource, LocalMobCapCalculator densityCapper) {
+ // Paper start - add countMobs parameter
+ return createState(spawningChunkCount, entities, chunkSource, densityCapper, false);
+ }
+
+ public static NaturalSpawner.SpawnState createState(int spawningChunkCount, Iterable<Entity> entities, NaturalSpawner.ChunkGetter chunkSource, LocalMobCapCalculator densityCapper, boolean countMobs) {
+ // Paper end
PotentialCalculator spawnercreatureprobabilities = new PotentialCalculator();
Object2IntOpenHashMap<MobCategory> object2intopenhashmap = new Object2IntOpenHashMap();
Iterator iterator = entities.iterator();
@@ -104,11 +110,16 @@ public final class NaturalSpawner {
spawnercreatureprobabilities.addCharge(entity.blockPosition(), biomesettingsmobs_b.charge());
}
- if (entity instanceof Mob) {
+ if (densityCapper != null && entity instanceof Mob) { // Paper
densityCapper.addMob(chunk.getPos(), enumcreaturetype);
}
object2intopenhashmap.addTo(enumcreaturetype, 1);
+ // Paper start
+ if (countMobs) {
+ chunk.level.getChunkSource().chunkMap.updatePlayerMobTypeMap(entity);
+ }
+ // Paper end
});
}
}
@@ -143,13 +154,37 @@ public final class NaturalSpawner {
continue;
}
- if ((spawnAnimals || !enumcreaturetype.isFriendly()) && (spawnMonsters || enumcreaturetype.isFriendly()) && (rareSpawn || !enumcreaturetype.isPersistent()) && info.canSpawnForCategory(enumcreaturetype, chunk.getPos(), limit)) {
+ // Paper start - only allow spawns upto the limit per chunk and update count afterwards
+ int currEntityCount = info.mobCategoryCounts.getInt(enumcreaturetype);
+ int k1 = limit * info.getSpawnableChunkCount() / NaturalSpawner.MAGIC_NUMBER;
+ int difference = k1 - currEntityCount;
+
+ if (world.paperConfig().entities.spawning.perPlayerMobSpawns) {
+ int minDiff = Integer.MAX_VALUE;
+ final com.destroystokyo.paper.util.misc.PooledLinkedHashSets.PooledObjectLinkedOpenHashSet<net.minecraft.server.level.ServerPlayer> inRange = world.getChunkSource().chunkMap.playerMobDistanceMap.getObjectsInRange(chunk.getPos());
+ if (inRange != null) {
+ final Object[] backingSet = inRange.getBackingSet();
+ for (int k = 0; k < backingSet.length; k++) {
+ if (!(backingSet[k] instanceof final net.minecraft.server.level.ServerPlayer player)) {
+ continue;
+ }
+ minDiff = Math.min(limit - world.getChunkSource().chunkMap.getMobCountNear(player, enumcreaturetype), minDiff);
+ }
+ }
+ difference = (minDiff == Integer.MAX_VALUE) ? 0 : minDiff;
+ }
+ if ((spawnAnimals || !enumcreaturetype.isFriendly()) && (spawnMonsters || enumcreaturetype.isFriendly()) && (rareSpawn || !enumcreaturetype.isPersistent()) && difference > 0) {
+ // Paper end
// CraftBukkit end
Objects.requireNonNull(info);
NaturalSpawner.SpawnPredicate spawnercreature_c = info::canSpawn;
Objects.requireNonNull(info);
- NaturalSpawner.spawnCategoryForChunk(enumcreaturetype, world, chunk, spawnercreature_c, info::afterSpawn);
+ // Paper start
+ int spawnCount = NaturalSpawner.spawnCategoryForChunk(enumcreaturetype, world, chunk, spawnercreature_c, info::afterSpawn,
+ difference, world.paperConfig().entities.spawning.perPlayerMobSpawns ? world.getChunkSource().chunkMap::updatePlayerMobTypeMap : null);
+ info.mobCategoryCounts.mergeInt(enumcreaturetype, spawnCount, Integer::sum);
+ // Paper end
}
}
@@ -158,11 +193,17 @@ public final class NaturalSpawner {
}
public static void spawnCategoryForChunk(MobCategory group, ServerLevel world, LevelChunk chunk, NaturalSpawner.SpawnPredicate checker, NaturalSpawner.AfterSpawnCallback runner) {
+ // Paper start - add parameters and int ret type
+ spawnCategoryForChunk(group, world, chunk, checker, runner, Integer.MAX_VALUE, null);
+ }
+ public static int spawnCategoryForChunk(MobCategory group, ServerLevel world, LevelChunk chunk, NaturalSpawner.SpawnPredicate checker, NaturalSpawner.AfterSpawnCallback runner, int maxSpawns, Consumer<Entity> trackEntity) {
+ // Paper end - add parameters and int ret type
BlockPos blockposition = NaturalSpawner.getRandomPosWithin(world, chunk);
if (blockposition.getY() >= world.getMinBuildHeight() + 1) {
- NaturalSpawner.spawnCategoryForPosition(group, world, chunk, blockposition, checker, runner);
+ return NaturalSpawner.spawnCategoryForPosition(group, world, chunk, blockposition, checker, runner, maxSpawns, trackEntity); // Paper
}
+ return 0; // Paper
}
@VisibleForDebug
@@ -173,15 +214,21 @@ public final class NaturalSpawner {
});
}
+ // Paper start - add maxSpawns parameter and return spawned mobs
public static void spawnCategoryForPosition(MobCategory group, ServerLevel world, ChunkAccess chunk, BlockPos pos, NaturalSpawner.SpawnPredicate checker, NaturalSpawner.AfterSpawnCallback runner) {
+ spawnCategoryForPosition(group, world,chunk, pos, checker, runner, Integer.MAX_VALUE, null);
+ }
+ public static int spawnCategoryForPosition(MobCategory group, ServerLevel world, ChunkAccess chunk, BlockPos pos, NaturalSpawner.SpawnPredicate checker, NaturalSpawner.AfterSpawnCallback runner, int maxSpawns, Consumer<Entity> trackEntity) {
+ // Paper end - add maxSpawns parameter and return spawned mobs
StructureManager structuremanager = world.structureManager();
ChunkGenerator chunkgenerator = world.getChunkSource().getGenerator();
int i = pos.getY();
BlockState iblockdata = world.getBlockStateIfLoadedAndInBounds(pos); // Paper - don't load chunks for mob spawn
+ int j = 0; // Paper - moved up
if (iblockdata != null && !iblockdata.isRedstoneConductor(chunk, pos)) { // Paper - don't load chunks for mob spawn
BlockPos.MutableBlockPos blockposition_mutableblockposition = new BlockPos.MutableBlockPos();
- int j = 0;
+ //int j = 0; // Paper - moved up
int k = 0;
while (k < 3) {
@@ -223,14 +270,14 @@ public final class NaturalSpawner {
// Paper start
Boolean doSpawning = isValidSpawnPostitionForType(world, group, structuremanager, chunkgenerator, biomesettingsmobs_c, blockposition_mutableblockposition, d2);
if (doSpawning == null) {
- return;
+ return j; // Paper
}
if (doSpawning && checker.test(biomesettingsmobs_c.type, blockposition_mutableblockposition, chunk)) {
// Paper end
Mob entityinsentient = NaturalSpawner.getMobForSpawn(world, biomesettingsmobs_c.type);
if (entityinsentient == null) {
- return;
+ return j; // Paper
}
entityinsentient.moveTo(d0, (double) i, d1, world.random.nextFloat() * 360.0F, 0.0F);
@@ -243,10 +290,15 @@ public final class NaturalSpawner {
++j;
++k1;
runner.run(entityinsentient, chunk);
+ // Paper start
+ if (trackEntity != null) {
+ trackEntity.accept(entityinsentient);
+ }
+ // Paper end
}
// CraftBukkit end
- if (j >= entityinsentient.getMaxSpawnClusterSize()) {
- return;
+ if (j >= entityinsentient.getMaxSpawnClusterSize() || j >= maxSpawns) { // Paper
+ return j; // Paper
}
if (entityinsentient.isMaxGroupSizeReached(k1)) {
@@ -268,6 +320,7 @@ public final class NaturalSpawner {
}
}
+ return j; // Paper
}
private static boolean isRightDistanceToPlayerAndSpawnPoint(ServerLevel world, ChunkAccess chunk, BlockPos.MutableBlockPos pos, double squaredDistance) {
@@ -558,7 +611,7 @@ public final class NaturalSpawner {
MobCategory enumcreaturetype = entitytypes.getCategory();
this.mobCategoryCounts.addTo(enumcreaturetype, 1);
- this.localMobCapCalculator.addMob(new ChunkPos(blockposition), enumcreaturetype);
+ if (this.localMobCapCalculator != null) this.localMobCapCalculator.addMob(new ChunkPos(blockposition), enumcreaturetype); // Paper
}
public int getSpawnableChunkCount() {
@@ -574,6 +627,7 @@ public final class NaturalSpawner {
int i = limit * this.spawnableChunkCount / NaturalSpawner.MAGIC_NUMBER;
// CraftBukkit end
+ if (this.localMobCapCalculator == null) return this.mobCategoryCounts.getInt(enumcreaturetype) < i; // Paper
return this.mobCategoryCounts.getInt(enumcreaturetype) >= i ? false : this.localMobCapCalculator.canSpawn(enumcreaturetype, chunkcoordintpair);
}
}
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