56 lines
2.9 KiB
Java
56 lines
2.9 KiB
Java
package net.minecraft.advancements.critereon;
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import com.mojang.serialization.Codec;
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import com.mojang.serialization.codecs.RecordCodecBuilder;
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import java.util.List;
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import java.util.Optional;
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import java.util.stream.Collectors;
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import net.minecraft.advancements.CriteriaTriggers;
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import net.minecraft.advancements.Criterion;
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import net.minecraft.server.level.ServerPlayer;
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import net.minecraft.world.entity.Entity;
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import net.minecraft.world.entity.LightningBolt;
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import net.minecraft.world.level.storage.loot.LootContext;
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public class LightningStrikeTrigger extends SimpleCriterionTrigger<LightningStrikeTrigger.TriggerInstance> {
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@Override
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public Codec<LightningStrikeTrigger.TriggerInstance> codec() {
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return LightningStrikeTrigger.TriggerInstance.CODEC;
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}
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public void trigger(ServerPlayer player, LightningBolt lightning, List<Entity> nearbyEntities) {
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List<LootContext> list = (List<LootContext>)nearbyEntities.stream().map(entity -> EntityPredicate.createContext(player, entity)).collect(Collectors.toList());
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LootContext lootContext = EntityPredicate.createContext(player, lightning);
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this.trigger(player, triggerInstance -> triggerInstance.matches(lootContext, list));
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}
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public record TriggerInstance(Optional<ContextAwarePredicate> player, Optional<ContextAwarePredicate> lightning, Optional<ContextAwarePredicate> bystander)
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implements SimpleCriterionTrigger.SimpleInstance {
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public static final Codec<LightningStrikeTrigger.TriggerInstance> CODEC = RecordCodecBuilder.create(
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instance -> instance.group(
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EntityPredicate.ADVANCEMENT_CODEC.optionalFieldOf("player").forGetter(LightningStrikeTrigger.TriggerInstance::player),
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EntityPredicate.ADVANCEMENT_CODEC.optionalFieldOf("lightning").forGetter(LightningStrikeTrigger.TriggerInstance::lightning),
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EntityPredicate.ADVANCEMENT_CODEC.optionalFieldOf("bystander").forGetter(LightningStrikeTrigger.TriggerInstance::bystander)
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)
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.apply(instance, LightningStrikeTrigger.TriggerInstance::new)
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);
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public static Criterion<LightningStrikeTrigger.TriggerInstance> lightningStrike(Optional<EntityPredicate> lightning, Optional<EntityPredicate> bystander) {
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return CriteriaTriggers.LIGHTNING_STRIKE
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.createCriterion(new LightningStrikeTrigger.TriggerInstance(Optional.empty(), EntityPredicate.wrap(lightning), EntityPredicate.wrap(bystander)));
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}
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public boolean matches(LootContext playerContext, List<LootContext> entityContexts) {
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return this.lightning.isPresent() && !((ContextAwarePredicate)this.lightning.get()).matches(playerContext)
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? false
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: !this.bystander.isPresent() || !entityContexts.stream().noneMatch(((ContextAwarePredicate)this.bystander.get())::matches);
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}
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@Override
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public void validate(CriterionValidator validator) {
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SimpleCriterionTrigger.SimpleInstance.super.validate(validator);
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validator.validateEntity(this.lightning, ".lightning");
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validator.validateEntity(this.bystander, ".bystander");
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}
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}
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}
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