// 
// Decompiled by Procyon v0.6.0
// 

package com.hypixel.hytale.builtin.hytalegenerator.density.nodes;

import com.hypixel.hytale.builtin.hytalegenerator.framework.math.Calculator;
import com.hypixel.hytale.builtin.hytalegenerator.framework.math.Normalizer;
import javax.annotation.Nonnull;
import javax.annotation.Nullable;
import com.hypixel.hytale.builtin.hytalegenerator.density.Density;

public class SelectorDensity extends Density
{
    private final double fromMin;
    private final double fromMax;
    private final double toMin;
    private final double toMax;
    private final double smoothRange;
    @Nullable
    private Density input;
    
    public SelectorDensity(final double fromMin, final double fromMax, final double toMin, final double toMax, final double smoothRange, final Density input) {
        if (fromMin > fromMax || toMin > toMax || smoothRange < 0.0) {
            throw new IllegalArgumentException("min larger than max");
        }
        this.fromMin = fromMin;
        this.fromMax = fromMax;
        this.toMin = toMin;
        this.toMax = toMax;
        this.smoothRange = smoothRange;
        this.input = input;
    }
    
    @Override
    public double process(@Nonnull final Context context) {
        double v = 0.0;
        if (this.input != null) {
            v = this.input.process(context);
        }
        v = Normalizer.normalize(this.fromMin, this.fromMax, this.toMin, this.toMax, v);
        if (this.smoothRange == 0.0) {
            v = Math.max(this.toMin, v);
            v = Math.min(this.toMax, v);
            return v;
        }
        v = Calculator.smoothMax(this.smoothRange, this.toMin, v);
        v = Calculator.smoothMin(this.smoothRange, v, this.toMax);
        return v;
    }
    
    @Override
    public void setInputs(@Nonnull final Density[] inputs) {
        if (inputs.length == 0) {
            this.input = null;
        }
        this.input = inputs[0];
    }
}