61 lines
2.2 KiB
Java
61 lines
2.2 KiB
Java
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package net.minecraft.world.level.levelgen.heightproviders;
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import com.mojang.logging.LogUtils;
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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 it.unimi.dsi.fastutil.longs.LongOpenHashSet;
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import it.unimi.dsi.fastutil.longs.LongSet;
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import net.minecraft.util.Mth;
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import net.minecraft.util.RandomSource;
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import net.minecraft.world.level.levelgen.VerticalAnchor;
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import net.minecraft.world.level.levelgen.WorldGenerationContext;
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import org.slf4j.Logger;
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public class UniformHeight extends HeightProvider {
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public static final MapCodec<UniformHeight> CODEC = RecordCodecBuilder.mapCodec(
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p_162033_ -> p_162033_.group(
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VerticalAnchor.CODEC.fieldOf("min_inclusive").forGetter(p_162043_ -> p_162043_.minInclusive),
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VerticalAnchor.CODEC.fieldOf("max_inclusive").forGetter(p_162038_ -> p_162038_.maxInclusive)
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)
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.apply(p_162033_, UniformHeight::new)
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);
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private static final Logger LOGGER = LogUtils.getLogger();
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private final VerticalAnchor minInclusive;
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private final VerticalAnchor maxInclusive;
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private final LongSet warnedFor = new LongOpenHashSet();
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private UniformHeight(VerticalAnchor p_162029_, VerticalAnchor p_162030_) {
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this.minInclusive = p_162029_;
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this.maxInclusive = p_162030_;
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}
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public static UniformHeight of(VerticalAnchor p_162035_, VerticalAnchor p_162036_) {
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return new UniformHeight(p_162035_, p_162036_);
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}
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@Override
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public int sample(RandomSource p_226308_, WorldGenerationContext p_226309_) {
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int i = this.minInclusive.resolveY(p_226309_);
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int j = this.maxInclusive.resolveY(p_226309_);
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if (i > j) {
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if (this.warnedFor.add((long)i << 32 | j)) {
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LOGGER.warn("Empty height range: {}", this);
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}
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return i;
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} else {
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return Mth.randomBetweenInclusive(p_226308_, i, j);
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}
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}
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@Override
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public HeightProviderType<?> getType() {
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return HeightProviderType.UNIFORM;
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}
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@Override
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public String toString() {
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return "[" + this.minInclusive + "-" + this.maxInclusive + "]";
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}
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}
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