Minecraft/Forge 1.7.2 Ore Generation

package izzyaxel.core.coreMain;

import java.util.Random;

import cpw.mods.fml.common.IWorldGenerator;
import net.minecraft.block.Block;
import net.minecraft.init.Blocks;
import net.minecraft.world.World;
import net.minecraft.world.chunk.IChunkProvider;
import net.minecraft.world.gen.feature.WorldGenMinable;

public class OreGeneration implements IWorldGenerator
{
    @Override
    public void generate(Random random, int chunkX, int chunkZ, World world, IChunkProvider chunkGenerator, IChunkProvider chunkProvider)
    {
        switch(world.provider.dimensionId)
        {
            case 0: generateSurface(random, chunkX*16, chunkZ*16, world); break;
            case 1: generateEnd(random, chunkX*16, chunkZ*16, world); break;
            case-1: generateNether(random, chunkX*16, chunkZ*16, world); break;
            default: break;
        }
    }

    //Blocks.stone is the block your ore is going to replace
     public void addOreSpawn(Block block, World world, Random random, int blockXPos, int blockZPos, int minVeinSize, int maxVeinSize, int chancesToSpawn, int minY, int maxY)
        {
            for(int i = 0; i<chancesToSpawn; i++)
            {
                int posX = blockXPos + random.nextInt(16);
                int posY = minY + random.nextInt(maxY - minY);
                int posZ = blockZPos + random.nextInt(16);
                new WorldGenMinable(block, (minVeinSize + random.nextInt(maxVeinSize - minVeinSize)), Blocks.stone).generate(world, random, posX, posY, posZ);
                new WorldGenMinable(block, (minVeinSize + random.nextInt(maxVeinSize - minVeinSize)), Blocks.end_stone).generate(world, random, posX, posY, posZ);
                new WorldGenMinable(block, (minVeinSize + random.nextInt(maxVeinSize - minVeinSize)), Blocks.netherrack).generate(world, random, posX, posY, posZ);
            }
        }

     //(ore reference, 4 passed referenced vars, min vein size, max vein size, chancesToSpawn, min y level, max y level)
     //chancesToSpawn is how many times the generator picks a random block of the selected type in each chunk to be the start of a vein of your ore
     public void generateSurface(Random random, int chunkX, int chunkZ, World world)
        {
            addOreSpawn(Main.platinumOre, world, random, chunkX, chunkZ, 1, 4, 10, 12, 30);
            addOreSpawn(Main.iridiumOre, world, random, chunkX, chunkZ, 1, 2, 2, 1, 11);
            addOreSpawn(Main.cobaltOre, world, random, chunkX, chunkZ, 1, 4, 15, 25, 60);
            addOreSpawn(Main.copperOre, world, random, chunkX, chunkZ, 4, 10, 38, 1, 250);
            addOreSpawn(Main.silverOre, world, random, chunkX, chunkZ, 2, 6, 15, 20, 40);
        }

        public void generateEnd(Random random, int chunkX, int chunkZ, World world)
        {
            addOreSpawn(Main.iridiumOreE, world, random, chunkX, chunkZ, 2, 6, 40, 10, 70);
        }

        public void generateNether(Random random, int chunkX, int chunkZ, World world)
        {

        }
}