GenLayerErebus.java

package erebus.world.genlayer;

import net.minecraft.world.WorldType;
import net.minecraft.world.gen.layer.GenLayer;
import net.minecraft.world.gen.layer.GenLayerFuzzyZoom;
import net.minecraft.world.gen.layer.GenLayerIsland;
import net.minecraft.world.gen.layer.GenLayerVoronoiZoom;
import net.minecraft.world.gen.layer.GenLayerZoom;
import net.minecraftforge.common.MinecraftForge;
import net.minecraftforge.event.terraingen.WorldTypeEvent;

public abstract class GenLayerErebus extends GenLayer {

	protected GenLayer parent;

	public static GenLayer[] initializeAllBiomeGenerators(long seed, WorldType worldType) {
		byte biomeSize = getModdedBiomeSize(worldType, (byte) (worldType == WorldType.LARGE_BIOMES ? 7 : 5));

		GenLayer genLayer = new GenLayerIsland(1L);
		genLayer = new GenLayerFuzzyZoom(2000L, genLayer);

		genLayer = new GenLayerBiomes(100L, genLayer);
		genLayer = GenLayerZoom.magnify(2000L, genLayer, 1);

		genLayer = new GenLayerSubBiomes(101L, genLayer);
		genLayer = GenLayerZoom.magnify(2100L, genLayer, biomeSize);

		genLayer = new GenLayerVoronoiZoom(10L, genLayer);
		genLayer.initWorldGenSeed(seed);
		return new GenLayer[] { null, genLayer, null };
	}

	public GenLayerErebus(long seed) {
		super(seed);
	}

	@Override
	public abstract int[] getInts(int x, int z, int sizeX, int sizeZ);

	public static byte getModdedBiomeSize(WorldType worldType, byte original) {
		WorldTypeEvent.BiomeSize event = new WorldTypeEvent.BiomeSize(worldType, original);
		MinecraftForge.TERRAIN_GEN_BUS.post(event);
		return (byte) event.getNewSize();
	}
}