Package net.neoforged.neoforge.event.level

Class LevelEvent.PotentialSpawns

java.lang.Object

net.neoforged.bus.api.Event

net.neoforged.neoforge.event.level.LevelEvent

net.neoforged.neoforge.event.level.LevelEvent.PotentialSpawns

All Implemented Interfaces:

net.neoforged.bus.api.ICancellableEvent

Enclosing class:

LevelEvent

public static class LevelEvent.PotentialSpawns
extends LevelEvent
implements net.neoforged.bus.api.ICancellableEvent

Fired when building a list of all possible entities that can spawn at the specified location.

If an entry is added to the list, it needs to be a globally unique instance.

The event is called in

invalid reference

net.minecraft.world.level.NaturalSpawner#mobsAt(ServerLevel, StructureManager, ChunkGenerator, MobCategory, RandomSource, BlockPos)

.

This event is cancellable, and does not

invalid reference

have a result

. Canceling the event will result in an empty list, meaning no entity will be spawned.

Nested Class Summary

Nested classes/interfaces inherited from class net.neoforged.neoforge.event.level.LevelEvent

LevelEvent.CreateSpawnPosition, LevelEvent.Load, LevelEvent.PotentialSpawns, LevelEvent.Save, LevelEvent.Unload

Field Summary

Fields

Modifier and Type	Field	Description
private WeightedList.Builder<MobSpawnSettings.SpawnerData>	list
private final MobCategory	mobcategory
private final BlockPos	pos
private List<Weighted<MobSpawnSettings.SpawnerData>>	view

Constructor Summary

Constructors

Constructor	Description
PotentialSpawns(LevelAccessor level, MobCategory category, BlockPos pos, WeightedList<MobSpawnSettings.SpawnerData> oldList)

Method Summary

Modifier and Type	Method	Description
void	addSpawnerData(Weighted<MobSpawnSettings.SpawnerData> data)	Appends a SpawnerData entry to the spawn list.
MobCategory	getMobCategory()	Returns the category of the mobs in the spawn list..
BlockPos	getPos()	Returns the block position where the chosen mob will be spawned..
List<Weighted<MobSpawnSettings.SpawnerData>>	getSpawnerDataList()	Returns the list of mobs that can potentially be spawned..
private void	makeList()
void	removeSpawnerData(Weighted<MobSpawnSettings.SpawnerData> data)	Removes a SpawnerData entry from the spawn list.

Methods inherited from class net.neoforged.neoforge.event.level.LevelEvent

getLevel

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface net.neoforged.bus.api.ICancellableEvent

isCanceled, setCanceled

Field Details

mobcategory

private final MobCategory mobcategory

pos

private final BlockPos pos

list

@Nullable
private WeightedList.Builder<MobSpawnSettings.SpawnerData> list

view

private List<Weighted<MobSpawnSettings.SpawnerData>> view

Constructor Details

PotentialSpawns

public PotentialSpawns(LevelAccessor level,
 MobCategory category,
 BlockPos pos,
 WeightedList<MobSpawnSettings.SpawnerData> oldList)

Method Details

getMobCategory

public MobCategory getMobCategory()

Returns the category of the mobs in the spawn list..

Returns:

the category of the mobs in the spawn list.

getPos

public BlockPos getPos()

Returns the block position where the chosen mob will be spawned..

Returns:

the block position where the chosen mob will be spawned.

getSpawnerDataList

public List<Weighted<MobSpawnSettings.SpawnerData>> getSpawnerDataList()

Returns the list of mobs that can potentially be spawned..

Returns:

the list of mobs that can potentially be spawned.

makeList

private void makeList()

addSpawnerData

public void addSpawnerData(Weighted<MobSpawnSettings.SpawnerData> data)

Appends a SpawnerData entry to the spawn list.

Parameters:

data - SpawnerData entry to be appended to the spawn list.

removeSpawnerData

public void removeSpawnerData(Weighted<MobSpawnSettings.SpawnerData> data)

Removes a SpawnerData entry from the spawn list.

Parameters:

data - SpawnerData entry to be removed from the spawn list.