OreGen.java

package com.stevemod.main.worldgen;

import java.util.Random;

import com.stevemod.main.blocks.blockRuby;

import init.ModBlocks;
import net.minecraft.util.math.BlockPos;
import net.minecraft.world.World;
import net.minecraft.world.chunk.IChunkGenerator;
import net.minecraft.world.chunk.IChunkProvider;
import net.minecraft.world.gen.feature.WorldGenMinable;
import net.minecraft.world.gen.feature.WorldGenerator;
import net.minecraftforge.fml.common.IWorldGenerator;

public class OreGen implements IWorldGenerator {

	//World Generators
	private WorldGenerator ruby_overworld;
	private WorldGenerator ruby_nether;
	private WorldGenerator ruby_end;

	public OreGen() {
		ruby_overworld = new WorldGenMinable(ModBlocks.rubyblock.getDefaultState(), 8);
	}

	private void runGenerator(WorldGenerator generator, World world, Random rand, int chunk_X, int chunk_Z, int chancesToSpawn, int minHeight, int maxHeight) {
		if (minHeight < 0 || maxHeight > 256 || minHeight > maxHeight)
			throw new IllegalArgumentException("Illegal Height Arguments for WorldGenerator");

		int heightDiff = maxHeight - minHeight + 1;
		for (int i = 0; i < chancesToSpawn; i ++) {
			int x = chunk_X * 16 + rand.nextInt(16);
			int y = minHeight + rand.nextInt(heightDiff);
			int z = chunk_Z * 16 + rand.nextInt(16);
			generator.generate(world, rand, new BlockPos(x, y, z));
		}
	}

	@Override
	public void generate(Random random, int chunkX, int chunkZ, World world, IChunkGenerator chunkGenerator,
			IChunkProvider chunkProvider) {

		switch(world.provider.getDimension()) {
		case 0:
			this.runGenerator(ruby_overworld, world, random, chunkX, chunkZ, 100, 60, 110);
		}


	}

}