UruGeneration.java

package uruToolsAndArmor;

import java.util.Random;

import net.minecraft.block.Block;
import net.minecraft.world.World;
import net.minecraft.world.chunk.IChunkProvider;
import net.minecraft.world.gen.feature.WorldGenMinable;
import cpw.mods.fml.common.IWorldGenerator;
public class UruGeneration implements IWorldGenerator{

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

	 private void generateEnd(World world, Random random, int x, int z)
     {
          
     }

     private void generateSurface(World world, Random random, int x, int z)
     {
           this.addOreSpawn(UruToolsandArmor.BlockOreUru, world, random, x, z, 16, 16, 4 + random.nextInt(3), 5, 0, 12);
     }

     public void addOreSpawn(Block block, World world, Random random, int blockXPos, int blockZPos, int maxX, int maxZ, int maxVeinSize, int chancesToSpawn, int minY, int maxY)
     {
           int maxPossY = minY + (maxY - 1);
           assert maxY > minY: "The maximum Y must be greater than the Minimum Y";
           assert maxX > 0 && maxX <= 10; 
           assert minY > 0;
           assert maxY < 256 && maxY > 0;
           assert maxZ > 0 && maxZ <= 16;
          
           int diffBtwnMinMaxY = maxY - minY;
           for(int x = 0; x < chancesToSpawn; x++)
           {
                  int posX = blockXPos + random.nextInt(maxX);
                  int posY = minY + random.nextInt(diffBtwnMinMaxY);
                  int posZ = blockZPos + random.nextInt(maxZ);
                  (new WorldGenMinable(block.blockID, maxVeinSize)).generate(world, random, posX, posY, posZ);
           }
     }

	private void generateNether(World world, Random random, int x, int z)
     {
          
     }

}