minecraft-src/net/minecraft/advancements/critereon/FluidPredicate.java
2025-07-04 02:49:36 +03:00

64 lines
2.1 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.core.BlockPos;
import net.minecraft.core.HolderSet;
import net.minecraft.core.RegistryCodecs;
import net.minecraft.core.registries.Registries;
import net.minecraft.server.level.ServerLevel;
import net.minecraft.world.level.material.Fluid;
import net.minecraft.world.level.material.FluidState;
public record FluidPredicate(Optional<HolderSet<Fluid>> fluids, Optional<StatePropertiesPredicate> properties) {
public static final Codec<FluidPredicate> CODEC = RecordCodecBuilder.create(
instance -> instance.group(
RegistryCodecs.homogeneousList(Registries.FLUID).optionalFieldOf("fluids").forGetter(FluidPredicate::fluids),
StatePropertiesPredicate.CODEC.optionalFieldOf("state").forGetter(FluidPredicate::properties)
)
.apply(instance, FluidPredicate::new)
);
public boolean matches(ServerLevel level, BlockPos pos) {
if (!level.isLoaded(pos)) {
return false;
} else {
FluidState fluidState = level.getFluidState(pos);
return this.fluids.isPresent() && !fluidState.is((HolderSet<Fluid>)this.fluids.get())
? false
: !this.properties.isPresent() || ((StatePropertiesPredicate)this.properties.get()).matches(fluidState);
}
}
public static class Builder {
private Optional<HolderSet<Fluid>> fluids = Optional.empty();
private Optional<StatePropertiesPredicate> properties = Optional.empty();
private Builder() {
}
public static FluidPredicate.Builder fluid() {
return new FluidPredicate.Builder();
}
public FluidPredicate.Builder of(Fluid fluid) {
this.fluids = Optional.of(HolderSet.direct(fluid.builtInRegistryHolder()));
return this;
}
public FluidPredicate.Builder of(HolderSet<Fluid> fluids) {
this.fluids = Optional.of(fluids);
return this;
}
public FluidPredicate.Builder setProperties(StatePropertiesPredicate properties) {
this.properties = Optional.of(properties);
return this;
}
public FluidPredicate build() {
return new FluidPredicate(this.fluids, this.properties);
}
}
}