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

package com.hypixel.hytale.builtin.hytalegenerator.positionproviders;

import com.hypixel.hytale.math.vector.Vector3d;
import com.hypixel.hytale.math.util.FastRandom;
import com.hypixel.hytale.builtin.hytalegenerator.framework.math.SeedGenerator;
import javax.annotation.Nonnull;
import com.hypixel.hytale.builtin.hytalegenerator.density.Density;

public class FieldFunctionOccurrencePositionProvider extends PositionProvider
{
    public static final double FP_RESOLUTION = 100.0;
    @Nonnull
    private final Density field;
    @Nonnull
    private final PositionProvider positionProvider;
    @Nonnull
    private final SeedGenerator seedGenerator;
    
    public FieldFunctionOccurrencePositionProvider(@Nonnull final Density field, @Nonnull final PositionProvider positionProvider, final int seed) {
        this.field = field;
        this.positionProvider = positionProvider;
        this.seedGenerator = new SeedGenerator(seed);
    }
    
    @Override
    public void positionsIn(@Nonnull final Context context) {
        final Context childContext = new Context(context);
        childContext.consumer = (position -> {
            final Density.Context densityContext = new Density.Context();
            densityContext.position = position;
            densityContext.positionsAnchor = context.anchor;
            densityContext.workerId = context.workerId;
            final double discardChance = 1.0 - this.field.process(densityContext);
            final FastRandom random = new FastRandom(this.seedGenerator.seedAt(position.x, position.y, position.z, 100.0));
            if (discardChance > random.nextDouble()) {
                return;
            }
            else {
                context.consumer.accept(position);
                return;
            }
        });
        this.positionProvider.positionsIn(childContext);
    }
}