RiverRemover.java

package rtg.world.gen.genlayer;

import net.minecraft.world.gen.layer.GenLayer;
import net.minecraft.world.gen.layer.GenLayerRiverMix;
import net.minecraft.world.gen.layer.GenLayerVoronoiZoom;

import rtg.api.util.Accessor;
import rtg.util.Logger;

/**
 * @author Zeno410
 */
public class RiverRemover {

    private Accessor<GenLayerRiverMix, GenLayer> riverMixBiome =
        new Accessor<>("field_75910_b", "biomePatternGeneratorChain");

    public GenLayer[] riverLess(GenLayer[] vanilla) {

        try {
            GenLayer riverMixParent = this.riverMixBiome.get((GenLayerRiverMix)vanilla[0]);
            if (riverMixParent == null) {
                return vanilla;
            }
            GenLayer withoutRivers = new GenLayerNoRivers(100L, riverMixParent);
            GenLayerVoronoiZoom genlayervoronoizoom = new GenLayerVoronoiZoom(10L, withoutRivers);
            return new GenLayer[]{withoutRivers, genlayervoronoizoom, withoutRivers};
        }
        catch (Exception e) {
            Logger.error("RiverRemover failed");
            return vanilla;
        }
    }
}