59 lines
1.8 KiB
Java
59 lines
1.8 KiB
Java
package net.minecraft.util.valueproviders;
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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 net.minecraft.util.RandomSource;
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public class BiasedToBottomInt extends IntProvider {
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public static final MapCodec<BiasedToBottomInt> CODEC = RecordCodecBuilder.<BiasedToBottomInt>mapCodec(
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instance -> instance.group(
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Codec.INT.fieldOf("min_inclusive").forGetter(biasedToBottomInt -> biasedToBottomInt.minInclusive),
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Codec.INT.fieldOf("max_inclusive").forGetter(biasedToBottomInt -> biasedToBottomInt.maxInclusive)
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)
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.apply(instance, BiasedToBottomInt::new)
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)
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.validate(
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biasedToBottomInt -> biasedToBottomInt.maxInclusive < biasedToBottomInt.minInclusive
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? DataResult.error(
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() -> "Max must be at least min, min_inclusive: " + biasedToBottomInt.minInclusive + ", max_inclusive: " + biasedToBottomInt.maxInclusive
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)
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: DataResult.success(biasedToBottomInt)
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);
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private final int minInclusive;
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private final int maxInclusive;
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private BiasedToBottomInt(int minInclusive, int maxInclusive) {
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this.minInclusive = minInclusive;
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this.maxInclusive = maxInclusive;
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}
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public static BiasedToBottomInt of(int minInclusive, int maxInclusive) {
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return new BiasedToBottomInt(minInclusive, maxInclusive);
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}
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@Override
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public int sample(RandomSource random) {
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return this.minInclusive + random.nextInt(random.nextInt(this.maxInclusive - this.minInclusive + 1) + 1);
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}
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@Override
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public int getMinValue() {
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return this.minInclusive;
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}
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@Override
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public int getMaxValue() {
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return this.maxInclusive;
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}
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@Override
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public IntProviderType<?> getType() {
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return IntProviderType.BIASED_TO_BOTTOM;
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}
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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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