minecraft-src/net/minecraft/world/level/levelgen/structure/placement/ConcentricRingsStructurePlacement.java
2025-07-04 01:41:11 +03:00

93 lines
3.6 KiB
Java

package net.minecraft.world.level.levelgen.structure.placement;
import com.mojang.datafixers.Products.P4;
import com.mojang.datafixers.Products.P5;
import com.mojang.datafixers.Products.P9;
import com.mojang.serialization.Codec;
import com.mojang.serialization.MapCodec;
import com.mojang.serialization.codecs.RecordCodecBuilder;
import com.mojang.serialization.codecs.RecordCodecBuilder.Instance;
import com.mojang.serialization.codecs.RecordCodecBuilder.Mu;
import java.util.List;
import java.util.Optional;
import net.minecraft.core.HolderSet;
import net.minecraft.core.RegistryCodecs;
import net.minecraft.core.Vec3i;
import net.minecraft.core.registries.Registries;
import net.minecraft.world.level.ChunkPos;
import net.minecraft.world.level.biome.Biome;
import net.minecraft.world.level.chunk.ChunkGeneratorStructureState;
public class ConcentricRingsStructurePlacement extends StructurePlacement {
public static final MapCodec<ConcentricRingsStructurePlacement> CODEC = RecordCodecBuilder.mapCodec(
instance -> codec(instance).apply(instance, ConcentricRingsStructurePlacement::new)
);
private final int distance;
private final int spread;
private final int count;
private final HolderSet<Biome> preferredBiomes;
private static P9<Mu<ConcentricRingsStructurePlacement>, Vec3i, StructurePlacement.FrequencyReductionMethod, Float, Integer, Optional<StructurePlacement.ExclusionZone>, Integer, Integer, Integer, HolderSet<Biome>> codec(
Instance<ConcentricRingsStructurePlacement> instance
) {
P5<Mu<ConcentricRingsStructurePlacement>, Vec3i, StructurePlacement.FrequencyReductionMethod, Float, Integer, Optional<StructurePlacement.ExclusionZone>> p5 = placementCodec(
instance
);
P4<Mu<ConcentricRingsStructurePlacement>, Integer, Integer, Integer, HolderSet<Biome>> p4 = instance.group(
Codec.intRange(0, 1023).fieldOf("distance").forGetter(ConcentricRingsStructurePlacement::distance),
Codec.intRange(0, 1023).fieldOf("spread").forGetter(ConcentricRingsStructurePlacement::spread),
Codec.intRange(1, 4095).fieldOf("count").forGetter(ConcentricRingsStructurePlacement::count),
RegistryCodecs.homogeneousList(Registries.BIOME).fieldOf("preferred_biomes").forGetter(ConcentricRingsStructurePlacement::preferredBiomes)
);
return new P9<>(p5.t1(), p5.t2(), p5.t3(), p5.t4(), p5.t5(), p4.t1(), p4.t2(), p4.t3(), p4.t4());
}
public ConcentricRingsStructurePlacement(
Vec3i locateOffset,
StructurePlacement.FrequencyReductionMethod frequencyReductionMethod,
float frequency,
int salt,
Optional<StructurePlacement.ExclusionZone> exclusionZone,
int distance,
int spread,
int count,
HolderSet<Biome> preferredBiomes
) {
super(locateOffset, frequencyReductionMethod, frequency, salt, exclusionZone);
this.distance = distance;
this.spread = spread;
this.count = count;
this.preferredBiomes = preferredBiomes;
}
public ConcentricRingsStructurePlacement(int distance, int spread, int count, HolderSet<Biome> preferrredBiomes) {
this(Vec3i.ZERO, StructurePlacement.FrequencyReductionMethod.DEFAULT, 1.0F, 0, Optional.empty(), distance, spread, count, preferrredBiomes);
}
public int distance() {
return this.distance;
}
public int spread() {
return this.spread;
}
public int count() {
return this.count;
}
public HolderSet<Biome> preferredBiomes() {
return this.preferredBiomes;
}
@Override
protected boolean isPlacementChunk(ChunkGeneratorStructureState structureState, int x, int z) {
List<ChunkPos> list = structureState.getRingPositionsFor(this);
return list == null ? false : list.contains(new ChunkPos(x, z));
}
@Override
public StructurePlacementType<?> type() {
return StructurePlacementType.CONCENTRIC_RINGS;
}
}