52 lines
1.8 KiB
Java
52 lines
1.8 KiB
Java
package com.hypixel.hytale.builtin.hytalegenerator.density.nodes;
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import com.hypixel.hytale.builtin.hytalegenerator.VectorUtil;
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import com.hypixel.hytale.builtin.hytalegenerator.density.Density;
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import com.hypixel.hytale.builtin.hytalegenerator.framework.math.Calculator;
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import com.hypixel.hytale.math.vector.Vector3d;
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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 ShellDensity extends Density {
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public static final double ZERO_DELTA = 1.0E-9;
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@Nonnull
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private final Double2DoubleFunction angleCurve;
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@Nonnull
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private final Double2DoubleFunction distanceCurve;
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@Nonnull
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private final Vector3d axis;
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private final boolean isMirrored;
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public ShellDensity(@Nonnull Double2DoubleFunction angleCurve, @Nonnull Double2DoubleFunction distanceCurve, @Nonnull Vector3d axis, boolean isMirrored) {
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this.angleCurve = angleCurve;
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this.distanceCurve = distanceCurve;
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this.axis = axis;
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this.isMirrored = isMirrored;
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}
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@Override
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public double process(@Nonnull Density.Context context) {
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double distance = Calculator.distance(context.position, Vector3d.ZERO);
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if (this.axis.length() == 0.0) {
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return 0.0;
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} else {
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Vector3d radialVector = context.position.clone();
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double amplitude = this.distanceCurve.applyAsDouble(distance);
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if (amplitude == 0.0) {
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return 0.0;
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} else if (radialVector.length() <= 1.0E-9) {
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return amplitude;
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} else {
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double angle = VectorUtil.angle(radialVector, this.axis);
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angle /= Math.PI;
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angle *= 180.0;
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if (this.isMirrored && angle > 90.0) {
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angle = 180.0 - angle;
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}
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return amplitude * this.angleCurve.applyAsDouble(angle);
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}
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}
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}
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}
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