minecraft-src/net/minecraft/advancements/critereon/KilledByArrowTrigger.java
2025-07-04 02:00:41 +03:00

111 lines
4.4 KiB
Java

package net.minecraft.advancements.critereon;
import com.google.common.collect.Lists;
import com.google.common.collect.Sets;
import com.mojang.serialization.Codec;
import com.mojang.serialization.codecs.RecordCodecBuilder;
import java.util.Collection;
import java.util.Iterator;
import java.util.List;
import java.util.Optional;
import java.util.Set;
import net.minecraft.advancements.CriteriaTriggers;
import net.minecraft.advancements.Criterion;
import net.minecraft.advancements.critereon.MinMaxBounds.Ints;
import net.minecraft.advancements.critereon.SimpleCriterionTrigger.SimpleInstance;
import net.minecraft.core.HolderGetter;
import net.minecraft.server.level.ServerPlayer;
import net.minecraft.world.entity.Entity;
import net.minecraft.world.entity.EntityType;
import net.minecraft.world.item.Item;
import net.minecraft.world.item.ItemStack;
import net.minecraft.world.item.Items;
import net.minecraft.world.level.storage.loot.LootContext;
import org.jetbrains.annotations.Nullable;
public class KilledByArrowTrigger extends SimpleCriterionTrigger<KilledByArrowTrigger.TriggerInstance> {
@Override
public Codec<KilledByArrowTrigger.TriggerInstance> codec() {
return KilledByArrowTrigger.TriggerInstance.CODEC;
}
public void trigger(ServerPlayer serverPlayer, Collection<Entity> collection, @Nullable ItemStack itemStack) {
List<LootContext> list = Lists.<LootContext>newArrayList();
Set<EntityType<?>> set = Sets.<EntityType<?>>newHashSet();
for (Entity entity : collection) {
set.add(entity.getType());
list.add(EntityPredicate.createContext(serverPlayer, entity));
}
this.trigger(serverPlayer, triggerInstance -> triggerInstance.matches(list, set.size(), itemStack));
}
public record TriggerInstance(
Optional<ContextAwarePredicate> player, List<ContextAwarePredicate> victims, Ints uniqueEntityTypes, Optional<ItemPredicate> firedFromWeapon
) implements SimpleInstance {
public static final Codec<KilledByArrowTrigger.TriggerInstance> CODEC = RecordCodecBuilder.create(
instance -> instance.group(
EntityPredicate.ADVANCEMENT_CODEC.optionalFieldOf("player").forGetter(KilledByArrowTrigger.TriggerInstance::player),
EntityPredicate.ADVANCEMENT_CODEC.listOf().optionalFieldOf("victims", List.of()).forGetter(KilledByArrowTrigger.TriggerInstance::victims),
Ints.CODEC.optionalFieldOf("unique_entity_types", Ints.ANY).forGetter(KilledByArrowTrigger.TriggerInstance::uniqueEntityTypes),
ItemPredicate.CODEC.optionalFieldOf("fired_from_weapon").forGetter(KilledByArrowTrigger.TriggerInstance::firedFromWeapon)
)
.apply(instance, KilledByArrowTrigger.TriggerInstance::new)
);
public static Criterion<KilledByArrowTrigger.TriggerInstance> crossbowKilled(HolderGetter<Item> holderGetter, EntityPredicate.Builder... builders) {
return CriteriaTriggers.KILLED_BY_ARROW
.createCriterion(
new KilledByArrowTrigger.TriggerInstance(
Optional.empty(), EntityPredicate.wrap(builders), Ints.ANY, Optional.of(ItemPredicate.Builder.item().of(holderGetter, Items.CROSSBOW).build())
)
);
}
public static Criterion<KilledByArrowTrigger.TriggerInstance> crossbowKilled(HolderGetter<Item> holderGetter, Ints ints) {
return CriteriaTriggers.KILLED_BY_ARROW
.createCriterion(
new KilledByArrowTrigger.TriggerInstance(
Optional.empty(), List.of(), ints, Optional.of(ItemPredicate.Builder.item().of(holderGetter, Items.CROSSBOW).build())
)
);
}
public boolean matches(Collection<LootContext> collection, int i, @Nullable ItemStack itemStack) {
if (!this.firedFromWeapon.isPresent() || itemStack != null && ((ItemPredicate)this.firedFromWeapon.get()).test(itemStack)) {
if (!this.victims.isEmpty()) {
List<LootContext> list = Lists.<LootContext>newArrayList(collection);
for (ContextAwarePredicate contextAwarePredicate : this.victims) {
boolean bl = false;
Iterator<LootContext> iterator = list.iterator();
while (iterator.hasNext()) {
LootContext lootContext = (LootContext)iterator.next();
if (contextAwarePredicate.matches(lootContext)) {
iterator.remove();
bl = true;
break;
}
}
if (!bl) {
return false;
}
}
}
return this.uniqueEntityTypes.matches(i);
} else {
return false;
}
}
@Override
public void validate(CriterionValidator validator) {
SimpleInstance.super.validate(validator);
validator.validateEntities(this.victims, ".victims");
}
}
}