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

82 lines
3.2 KiB
Java

package net.minecraft.advancements.critereon;
import com.google.common.collect.ImmutableList;
import com.mojang.serialization.Codec;
import com.mojang.serialization.codecs.RecordCodecBuilder;
import java.util.List;
import java.util.Optional;
import net.minecraft.core.registries.Registries;
import net.minecraft.server.level.ServerLevel;
import net.minecraft.server.level.ServerPlayer;
import net.minecraft.world.damagesource.DamageSource;
import net.minecraft.world.damagesource.DamageType;
import net.minecraft.world.phys.Vec3;
public record DamageSourcePredicate(
List<TagPredicate<DamageType>> tags, Optional<EntityPredicate> directEntity, Optional<EntityPredicate> sourceEntity, Optional<Boolean> isDirect
) {
public static final Codec<DamageSourcePredicate> CODEC = RecordCodecBuilder.create(
instance -> instance.group(
TagPredicate.codec(Registries.DAMAGE_TYPE).listOf().optionalFieldOf("tags", List.of()).forGetter(DamageSourcePredicate::tags),
EntityPredicate.CODEC.optionalFieldOf("direct_entity").forGetter(DamageSourcePredicate::directEntity),
EntityPredicate.CODEC.optionalFieldOf("source_entity").forGetter(DamageSourcePredicate::sourceEntity),
Codec.BOOL.optionalFieldOf("is_direct").forGetter(DamageSourcePredicate::isDirect)
)
.apply(instance, DamageSourcePredicate::new)
);
public boolean matches(ServerPlayer player, DamageSource source) {
return this.matches(player.serverLevel(), player.position(), source);
}
public boolean matches(ServerLevel level, Vec3 position, DamageSource source) {
for (TagPredicate<DamageType> tagPredicate : this.tags) {
if (!tagPredicate.matches(source.typeHolder())) {
return false;
}
}
if (this.directEntity.isPresent() && !((EntityPredicate)this.directEntity.get()).matches(level, position, source.getDirectEntity())) {
return false;
} else {
return this.sourceEntity.isPresent() && !((EntityPredicate)this.sourceEntity.get()).matches(level, position, source.getEntity())
? false
: !this.isDirect.isPresent() || (Boolean)this.isDirect.get() == source.isDirect();
}
}
public static class Builder {
private final ImmutableList.Builder<TagPredicate<DamageType>> tags = ImmutableList.builder();
private Optional<EntityPredicate> directEntity = Optional.empty();
private Optional<EntityPredicate> sourceEntity = Optional.empty();
private Optional<Boolean> isDirect = Optional.empty();
public static DamageSourcePredicate.Builder damageType() {
return new DamageSourcePredicate.Builder();
}
public DamageSourcePredicate.Builder tag(TagPredicate<DamageType> tag) {
this.tags.add(tag);
return this;
}
public DamageSourcePredicate.Builder direct(EntityPredicate.Builder directEntity) {
this.directEntity = Optional.of(directEntity.build());
return this;
}
public DamageSourcePredicate.Builder source(EntityPredicate.Builder sourceEntity) {
this.sourceEntity = Optional.of(sourceEntity.build());
return this;
}
public DamageSourcePredicate.Builder isDirect(boolean isDirect) {
this.isDirect = Optional.of(isDirect);
return this;
}
public DamageSourcePredicate build() {
return new DamageSourcePredicate(this.tags.build(), this.directEntity, this.sourceEntity, this.isDirect);
}
}
}