minecraft-src/net/minecraft/advancements/critereon/FallAfterExplosionTrigger.java
2025-07-04 01:41:11 +03:00

67 lines
3.2 KiB
Java

package net.minecraft.advancements.critereon;
import com.mojang.serialization.Codec;
import com.mojang.serialization.codecs.RecordCodecBuilder;
import java.util.Optional;
import net.minecraft.advancements.CriteriaTriggers;
import net.minecraft.advancements.Criterion;
import net.minecraft.server.level.ServerLevel;
import net.minecraft.server.level.ServerPlayer;
import net.minecraft.world.entity.Entity;
import net.minecraft.world.level.storage.loot.LootContext;
import net.minecraft.world.phys.Vec3;
import org.jetbrains.annotations.Nullable;
public class FallAfterExplosionTrigger extends SimpleCriterionTrigger<FallAfterExplosionTrigger.TriggerInstance> {
@Override
public Codec<FallAfterExplosionTrigger.TriggerInstance> codec() {
return FallAfterExplosionTrigger.TriggerInstance.CODEC;
}
public void trigger(ServerPlayer player, Vec3 pos, @Nullable Entity entity) {
Vec3 vec3 = player.position();
LootContext lootContext = entity != null ? EntityPredicate.createContext(player, entity) : null;
this.trigger(player, triggerInstance -> triggerInstance.matches(player.serverLevel(), pos, vec3, lootContext));
}
public record TriggerInstance(
Optional<ContextAwarePredicate> player,
Optional<LocationPredicate> startPosition,
Optional<DistancePredicate> distance,
Optional<ContextAwarePredicate> cause
) implements SimpleCriterionTrigger.SimpleInstance {
public static final Codec<FallAfterExplosionTrigger.TriggerInstance> CODEC = RecordCodecBuilder.create(
instance -> instance.group(
EntityPredicate.ADVANCEMENT_CODEC.optionalFieldOf("player").forGetter(FallAfterExplosionTrigger.TriggerInstance::player),
LocationPredicate.CODEC.optionalFieldOf("start_position").forGetter(FallAfterExplosionTrigger.TriggerInstance::startPosition),
DistancePredicate.CODEC.optionalFieldOf("distance").forGetter(FallAfterExplosionTrigger.TriggerInstance::distance),
EntityPredicate.ADVANCEMENT_CODEC.optionalFieldOf("cause").forGetter(FallAfterExplosionTrigger.TriggerInstance::cause)
)
.apply(instance, FallAfterExplosionTrigger.TriggerInstance::new)
);
public static Criterion<FallAfterExplosionTrigger.TriggerInstance> fallAfterExplosion(DistancePredicate distance, EntityPredicate.Builder cause) {
return CriteriaTriggers.FALL_AFTER_EXPLOSION
.createCriterion(
new FallAfterExplosionTrigger.TriggerInstance(Optional.empty(), Optional.empty(), Optional.of(distance), Optional.of(EntityPredicate.wrap(cause)))
);
}
@Override
public void validate(CriterionValidator validator) {
SimpleCriterionTrigger.SimpleInstance.super.validate(validator);
validator.validateEntity(this.cause(), ".cause");
}
public boolean matches(ServerLevel level, Vec3 startPosition, Vec3 endPosition, @Nullable LootContext context) {
if (this.startPosition.isPresent() && !((LocationPredicate)this.startPosition.get()).matches(level, startPosition.x, startPosition.y, startPosition.z)) {
return false;
} else {
return this.distance.isPresent()
&& !((DistancePredicate)this.distance.get()).matches(startPosition.x, startPosition.y, startPosition.z, endPosition.x, endPosition.y, endPosition.z)
? false
: !this.cause.isPresent() || context != null && ((ContextAwarePredicate)this.cause.get()).matches(context);
}
}
}
}