44 lines
1.4 KiB
Java
44 lines
1.4 KiB
Java
package com.hypixel.hytale.builtin.hytalegenerator.assets.curves;
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import com.hypixel.hytale.codec.Codec;
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import com.hypixel.hytale.codec.KeyedCodec;
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import com.hypixel.hytale.codec.builder.BuilderCodec;
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import com.hypixel.hytale.codec.validation.Validators;
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import it.unimi.dsi.fastutil.doubles.Double2DoubleFunction;
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import javax.annotation.Nonnull;
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public class DistanceExponentialCurveAsset extends CurveAsset {
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public static final BuilderCodec<DistanceExponentialCurveAsset> CODEC = BuilderCodec.builder(
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DistanceExponentialCurveAsset.class, DistanceExponentialCurveAsset::new, CurveAsset.ABSTRACT_CODEC
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)
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.append(new KeyedCodec<>("Exponent", Codec.DOUBLE, true), (t, k) -> t.exponent = k, k -> k.exponent)
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.addValidator(Validators.greaterThanOrEqual(0.0))
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.add()
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.<Double>append(new KeyedCodec<>("Range", Codec.DOUBLE, true), (t, k) -> t.range = k, k -> k.range)
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.addValidator(Validators.greaterThanOrEqual(0.0))
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.add()
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.build();
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private double exponent = 1.0;
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private double range = 1.0;
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@Nonnull
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@Override
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public Double2DoubleFunction build() {
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return in -> {
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if (in < 0.0) {
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return 1.0;
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} else if (in > this.range) {
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return 0.0;
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} else {
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in /= this.range;
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in *= -1.0;
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return Math.pow(++in, this.exponent);
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}
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};
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}
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@Override
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public void cleanUp() {
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}
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}
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