89 lines
3.9 KiB
Java
89 lines
3.9 KiB
Java
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package net.minecraft.world.level.levelgen.structure.placement;
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import com.mojang.serialization.Codec;
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import com.mojang.serialization.DataResult;
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import com.mojang.serialization.MapCodec;
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import com.mojang.serialization.codecs.RecordCodecBuilder;
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import com.mojang.serialization.codecs.RecordCodecBuilder.Instance;
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import java.util.Optional;
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import net.minecraft.core.Vec3i;
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import net.minecraft.world.level.ChunkPos;
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import net.minecraft.world.level.chunk.ChunkGeneratorStructureState;
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import net.minecraft.world.level.levelgen.LegacyRandomSource;
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import net.minecraft.world.level.levelgen.WorldgenRandom;
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public class RandomSpreadStructurePlacement extends StructurePlacement {
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public static final MapCodec<RandomSpreadStructurePlacement> CODEC = RecordCodecBuilder.<RandomSpreadStructurePlacement>mapCodec(
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p_204996_ -> placementCodec(p_204996_)
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.and(
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p_204996_.group(
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Codec.intRange(0, 4096).fieldOf("spacing").forGetter(RandomSpreadStructurePlacement::spacing),
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Codec.intRange(0, 4096).fieldOf("separation").forGetter(RandomSpreadStructurePlacement::separation),
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RandomSpreadType.CODEC.optionalFieldOf("spread_type", RandomSpreadType.LINEAR).forGetter(RandomSpreadStructurePlacement::spreadType)
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)
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)
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.apply(p_204996_, RandomSpreadStructurePlacement::new)
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)
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.validate(RandomSpreadStructurePlacement::validate);
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private final int spacing;
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private final int separation;
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private final RandomSpreadType spreadType;
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private static DataResult<RandomSpreadStructurePlacement> validate(RandomSpreadStructurePlacement p_286361_) {
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return p_286361_.spacing <= p_286361_.separation ? DataResult.error(() -> "Spacing has to be larger than separation") : DataResult.success(p_286361_);
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}
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public RandomSpreadStructurePlacement(
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Vec3i p_227000_,
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StructurePlacement.FrequencyReductionMethod p_227001_,
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float p_227002_,
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int p_227003_,
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Optional<StructurePlacement.ExclusionZone> p_227004_,
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int p_227005_,
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int p_227006_,
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RandomSpreadType p_227007_
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) {
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super(p_227000_, p_227001_, p_227002_, p_227003_, p_227004_);
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this.spacing = p_227005_;
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this.separation = p_227006_;
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this.spreadType = p_227007_;
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}
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public RandomSpreadStructurePlacement(int p_204980_, int p_204981_, RandomSpreadType p_204982_, int p_204983_) {
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this(Vec3i.ZERO, StructurePlacement.FrequencyReductionMethod.DEFAULT, 1.0F, p_204983_, Optional.empty(), p_204980_, p_204981_, p_204982_);
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}
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public int spacing() {
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return this.spacing;
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}
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public int separation() {
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return this.separation;
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}
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public RandomSpreadType spreadType() {
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return this.spreadType;
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}
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public ChunkPos getPotentialStructureChunk(long p_227009_, int p_227010_, int p_227011_) {
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int i = Math.floorDiv(p_227010_, this.spacing);
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int j = Math.floorDiv(p_227011_, this.spacing);
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WorldgenRandom worldgenrandom = new WorldgenRandom(new LegacyRandomSource(0L));
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worldgenrandom.setLargeFeatureWithSalt(p_227009_, i, j, this.salt());
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int k = this.spacing - this.separation;
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int l = this.spreadType.evaluate(worldgenrandom, k);
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int i1 = this.spreadType.evaluate(worldgenrandom, k);
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return new ChunkPos(i * this.spacing + l, j * this.spacing + i1);
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}
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@Override
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protected boolean isPlacementChunk(ChunkGeneratorStructureState p_256267_, int p_256050_, int p_255975_) {
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ChunkPos chunkpos = this.getPotentialStructureChunk(p_256267_.getLevelSeed(), p_256050_, p_255975_);
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return chunkpos.x == p_256050_ && chunkpos.z == p_255975_;
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}
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@Override
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public StructurePlacementType<?> type() {
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return StructurePlacementType.RANDOM_SPREAD;
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}
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}
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