Class SpawnPlacementRegisterEvent

java.lang.Object
net.neoforged.bus.api.Event
net.neoforged.neoforge.event.entity.SpawnPlacementRegisterEvent
All Implemented Interfaces:
net.neoforged.fml.event.IModBusEvent

public class SpawnPlacementRegisterEvent extends net.neoforged.bus.api.Event implements net.neoforged.fml.event.IModBusEvent
This event allows each EntityType to have a SpawnPlacements.SpawnPredicate registered or modified. Spawn Predicates are checked whenever an Entity of the given EntityType spawns in the world naturally. If registering your own entity's spawn placements, you should use register(EntityType, SpawnPlacementType, Heightmap.Types, SpawnPlacements.SpawnPredicate, Operation) So that you ensure that your entity has a heightmap type and placement type registered. If modifying vanilla or another mod's spawn placements, you can use three operations: REPLACE: checked first, the last mod to replace the predicate wipes out all other predicates. Listen with a low EventPriority if you need to do this. OR: checked second, only one of these predicates must pass along with the original predicate AND: checked third, these predicates must all pass along with the original predicate

This event is not cancellable and does not

invalid reference
have a result
.

Fired on the Mod bus IModBusEvent.