3
0
Mirror von https://github.com/PaperMC/Paper.git synchronisiert 2024-12-16 11:30:06 +01:00
Paper/patches/server/0364-implement-optional-per-player-mob-spawns.patch
Nassim Jahnke 26734e83b0
Updated Upstream (Bukkit/CraftBukkit/Spigot) (#7454)
* Updated Upstream (Bukkit/CraftBukkit/Spigot)

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:
8085edde SPIGOT-6918: Add SpawnCategory API and configurations for Axolotls
04c7e13c PR-719: Add Player Profile API
71564210 SPIGOT-6910: Add BlockDamageAbortEvent

CraftBukkit Changes:
febaa1c6 SPIGOT-6918: Add SpawnCategory API and configurations for Axolotls
9dafd109 Don't send updates over large distances
bdac46b0 SPIGOT-6782: EntityPortalEvent should not destroy entity when setTo() uses same world as getFrom()
8f361ece PR-1002: Add Player Profile API
911875d4 Increase outdated build delay
e5f8a767 SPIGOT-6917: Use main scoreboard for /trigger
a672a531 Clean up callBlockDamageEvent
8e1bdeef SPIGOT-6910: Add BlockDamageAbortEvent

Spigot Changes:
6edb62f3 Rebuild patches
7fbc6a1e Rebuild patches

* Updated Upstream (CraftBukkit)

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

CraftBukkit Changes:
de951355 SPIGOT-6927: Fix default value of spawn-limits in Worlds
2022-02-12 14:20:33 +01:00

599 Zeilen
28 KiB
Diff

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/PaperWorldConfig.java b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
index 68ae6664541d1dbc611520e7e8612b4f5162c696..6b0391743cd9e249c66796e7fe7a4da8c6b81b2e 100644
--- a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
+++ b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
@@ -613,4 +613,12 @@ public class PaperWorldConfig {
}
}
}
+
+ public boolean perPlayerMobSpawns = false;
+ private void perPlayerMobSpawns() {
+ if (PaperConfig.version < 22) {
+ set("per-player-mob-spawns", Boolean.TRUE);
+ }
+ perPlayerMobSpawns = getBoolean("per-player-mob-spawns", true);
+ }
}
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 d2755c00a28fa584d506259f33f8da44c2cf4842..6a8d929721f61b5235614496f60473b89a227ee5 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 Long2ByteMap chunkTypeCache;
private final Queue<Runnable> unloadQueue;
int viewDistance;
+ public final com.destroystokyo.paper.util.misc.PlayerAreaMap playerMobDistanceMap; // Paper
// CraftBukkit start - recursion-safe executor for Chunk loadCallback() and unloadCallback()
public final CallbackExecutor callbackExecutor = new CallbackExecutor();
@@ -180,16 +181,31 @@ 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, this.distanceManager.getSimulationDistance());
+ }
+ // Paper end - per player mob spawning
}
void removePlayerFromDistanceMaps(ServerPlayer player) {
+ // Paper start - per player mob spawning
+ if (this.playerMobDistanceMap != null) {
+ this.playerMobDistanceMap.remove(player);
+ }
+ // Paper end - per player mob spawning
}
void updateMaps(ServerPlayer player) {
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.update(player, chunkX, chunkZ, this.distanceManager.getSimulationDistance());
+ }
+ // Paper end - per player mob spawning
}
// Paper end
// Paper start
@@ -263,6 +279,7 @@ 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.perPlayerMobSpawns ? new com.destroystokyo.paper.util.misc.PlayerAreaMap(this.pooledLinkedPlayerHashSets) : null; // Paper
}
protected ChunkGenerator generator() {
@@ -280,6 +297,31 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
});
}
+ // Paper start
+ public void updatePlayerMobTypeMap(Entity entity) {
+ if (!this.level.paperConfig.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/DistanceManager.java b/src/main/java/net/minecraft/server/level/DistanceManager.java
index f0dac1f596911eb2109192ef16a619f8ae71d1f7..07b616d9d7cde77c001f5c627daef0731d883e61 100644
--- a/src/main/java/net/minecraft/server/level/DistanceManager.java
+++ b/src/main/java/net/minecraft/server/level/DistanceManager.java
@@ -323,6 +323,12 @@ public abstract class DistanceManager {
}
+ // Paper start
+ public int getSimulationDistance() {
+ return this.simulationDistance;
+ }
+ // Paper end
+
public int getNaturalSpawnChunkCount() {
this.naturalSpawnChunkCounter.runAllUpdates();
return this.naturalSpawnChunkCounter.chunks.size();
diff --git a/src/main/java/net/minecraft/server/level/ServerChunkCache.java b/src/main/java/net/minecraft/server/level/ServerChunkCache.java
index 343d54addd67998175db152d38702adda37b7d21..6830d1d9929b472e530b6676c7d0f8b316aea899 100644
--- a/src/main/java/net/minecraft/server/level/ServerChunkCache.java
+++ b/src/main/java/net/minecraft/server/level/ServerChunkCache.java
@@ -916,7 +916,18 @@ 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 b193f8dfbe7b61c919ad5eb452d29885982e25e4..01b9edc8aaf472650f171f1b88229807bcfdc145 100644
--- a/src/main/java/net/minecraft/server/level/ServerPlayer.java
+++ b/src/main/java/net/minecraft/server/level/ServerPlayer.java
@@ -227,6 +227,11 @@ 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;
@@ -316,6 +321,7 @@ 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 be1068c305ef0c968caa2ee9412ed7ad1b1946f1..8e63d93a574f2c37094770099ea8e1f45cde3db5 100644
--- a/src/main/java/net/minecraft/world/level/NaturalSpawner.java
+++ b/src/main/java/net/minecraft/world/level/NaturalSpawner.java
@@ -67,7 +67,13 @@ public final class NaturalSpawner {
private NaturalSpawner() {}
+ // Paper start - add countMobs parameter
public static NaturalSpawner.SpawnState createState(int spawningChunkCount, Iterable<Entity> entities, NaturalSpawner.ChunkGetter chunkSource, LocalMobCapCalculator localmobcapcalculator) {
+ return createState(spawningChunkCount, entities, chunkSource, localmobcapcalculator, false);
+ }
+
+ public static NaturalSpawner.SpawnState createState(int spawningChunkCount, Iterable<Entity> entities, NaturalSpawner.ChunkGetter chunkSource, LocalMobCapCalculator localmobcapcalculator, boolean countMobs) {
+ // Paper end
PotentialCalculator spawnercreatureprobabilities = new PotentialCalculator();
Object2IntOpenHashMap<MobCategory> object2intopenhashmap = new Object2IntOpenHashMap();
Iterator iterator = entities.iterator();
@@ -103,11 +109,16 @@ public final class NaturalSpawner {
spawnercreatureprobabilities.addCharge(entity.blockPosition(), biomesettingsmobs_b.getCharge());
}
- if (entity instanceof Mob) {
+ if (localmobcapcalculator != null && entity instanceof Mob) { // Paper
localmobcapcalculator.addMob(chunk.getPos(), enumcreaturetype);
}
object2intopenhashmap.addTo(enumcreaturetype, 1);
+ // Paper start
+ if (countMobs) {
+ chunk.level.getChunkSource().chunkMap.updatePlayerMobTypeMap(entity);
+ }
+ // Paper end
});
}
}
@@ -142,13 +153,37 @@ 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.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.perPlayerMobSpawns ? world.getChunkSource().chunkMap::updatePlayerMobTypeMap : null);
+ info.mobCategoryCounts.mergeInt(enumcreaturetype, spawnCount, Integer::sum);
+ // Paper end
}
}
@@ -156,12 +191,18 @@ public final class NaturalSpawner {
world.getProfiler().pop();
}
+ // Paper start - add parameters and int ret type
public static void spawnCategoryForChunk(MobCategory group, ServerLevel world, LevelChunk chunk, NaturalSpawner.SpawnPredicate checker, NaturalSpawner.AfterSpawnCallback runner) {
+ 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
@@ -172,15 +213,21 @@ 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
StructureFeatureManager structuremanager = world.structureFeatureManager();
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) {
@@ -222,14 +269,14 @@ 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);
@@ -241,10 +288,15 @@ 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)) {
@@ -266,6 +318,7 @@ public final class NaturalSpawner {
}
}
+ return j; // Paper
}
private static boolean isRightDistanceToPlayerAndSpawnPoint(ServerLevel world, ChunkAccess chunk, BlockPos.MutableBlockPos pos, double squaredDistance) {
@@ -545,7 +598,7 @@ 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() {
@@ -561,6 +614,7 @@ 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);
}
}