68 lines
2.6 KiB
Java
68 lines
2.6 KiB
Java
package com.hypixel.hytale.builtin.hytalegenerator.assets.curves;
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import com.hypixel.hytale.builtin.hytalegenerator.framework.math.InterpolatedCurve;
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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 DistanceSCurveAsset extends CurveAsset {
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public static final BuilderCodec<DistanceSCurveAsset> CODEC = BuilderCodec.builder(
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DistanceSCurveAsset.class, DistanceSCurveAsset::new, CurveAsset.ABSTRACT_CODEC
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)
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.append(new KeyedCodec<>("ExponentA", Codec.DOUBLE, true), (t, k) -> t.exponentA = k, k -> k.exponentA)
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.addValidator(Validators.greaterThanOrEqual(0.0))
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.add()
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.<Double>append(new KeyedCodec<>("ExponentB", Codec.DOUBLE, true), (t, k) -> t.exponentB = k, k -> k.exponentB)
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.addValidator(Validators.greaterThanOrEqual(0.0))
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.add()
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.<Double>append(new KeyedCodec<>("Transition", Codec.DOUBLE, false), (t, k) -> t.transition = k, k -> k.transition)
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.addValidator(Validators.range(0.0, 1.0))
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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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.<Double>append(new KeyedCodec<>("TransitionSmooth", Codec.DOUBLE, false), (t, k) -> t.transitionSmooth = k, k -> k.transitionSmooth)
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.addValidator(Validators.range(0.0, 1.0))
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.add()
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.build();
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private double exponentA = 1.0;
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private double exponentB = 1.0;
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private double range = 1.0;
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private double transition = 1.0;
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private double transitionSmooth = 1.0;
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@Nonnull
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@Override
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public Double2DoubleFunction build() {
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Double2DoubleFunction functionA = in -> {
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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.exponentA);
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}
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};
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Double2DoubleFunction functionB = in -> {
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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.exponentB);
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}
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};
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double transitionDistance = this.transition * this.range;
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double positionA = this.range / 2.0 - transitionDistance / 2.0;
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double positionB = positionA + transitionDistance;
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return new InterpolatedCurve(positionA, positionB, this.transitionSmooth, functionA, functionB);
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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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