WorldGen

package com.smy.mod.World;

import java.util.Random;

import Blocks.BlocksMod;

import com.smy.mod.init.BlockMod;

import net.minecraft.block.Block;
import net.minecraft.block.state.IBlockState;
import net.minecraft.init.Blocks;
import net.minecraft.util.BlockPos;
import net.minecraft.world.World;
import net.minecraft.world.chunk.IChunkProvider;
import net.minecraft.world.gen.feature.WorldGenMinable;
import net.minecraftforge.fml.common.IWorldGenerator;

public class WorldGenSmy implements IWorldGenerator
{

    @Override
    public void generate(Random random, int chunkX, int chunkZ, World world, IChunkProvider chunkGenerator, IChunkProvider chunkProvider)
    {
        switch(world.provider.getDimensionId())
        {
            case -1:
                GenerateNether(world, chunkX = 16, chunkZ = 16, random);
                break;

            case 0:
                GenerateOverWorld(world, chunkX = 16, chunkZ = 16, random);
                break;

            case 1:
                GenerateEnd(world, chunkX = 16, chunkZ = 16, random);
                break;

        }
    }

    private void addOre(Block block, Block blockSpawn, Random random, World world, int posX, int posZ, int minY, int maxY, int minV, int maxV, int spawnChance)
    {
        for(int i = 0; i < spawnChance; i++)
        {
            int defaultChunkSize = 16;
            int Xpos = posX + random.nextInt(defaultChunkSize);
            int Ypos = minY + random.nextInt(maxY - minY);
            int Zpos = posZ + random.nextInt(defaultChunkSize);

            IBlockState state = block.getDefaultState();
            BlockPos blockPos = new BlockPos(Xpos, Ypos, Zpos);

            new WorldGenMinable(state, maxV).generate(world, random, blockPos);
        }
    }

    private void GenerateNether(World world, int i, int j, Random random)
    {

    }

    private void GenerateOverWorld(World world, int i, int j, Random random)
    {
        addOre(Blocks.glass, Blocks.stone , random, world, i, j, 20, 100, 4, 8, 500);
    }

    private void GenerateEnd(World world, int i, int j, Random random)
    {
        addOre(Blocks.glass, Blocks.netherrack , random, world, i, j, 20, 100, 4, 8, 60);
    }

}