package net.shadowfacts.zcraft.world.generation;

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 net.shadowfacts.zcraft.block.ZBlocks;
import cpw.mods.fml.common.IWorldGenerator;

public class OreGenerator 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: generateOverworld(world, random, chunkX * 16, chunkZ * 16);
		case 1: generateEnd(world, random, chunkX * 16, chunkZ * 16);
		}
		
	}
	
	// Generate stuff for the nether
	private void generateNether(World world, Random random, int x, int z) {
		
	}
	
	// Generate stuff for the overworld
	private void generateOverworld(World world, Random random, int x, int z) {
		this.addOreSpawn(ZBlocks.greenZinchoriumGemOre, world, random, x, z, 16, 16, 4 + random.nextInt(3), 5, 4, 42);
	}
	
	// Generate stuff for the end
	private void generateEnd(World world, Random random, int x, int z) {
		
	}
	
	
	
	
	/**
	 * Adds an Ore Spawn to Minecraft. Simply register all Ores to spawn with this method in your Generation method in your IWorldGeneration extending Class
	 *
	 * @param The Block to spawn
	 * @param The World to spawn in
	 * @param A Random object for retrieving random positions within the world to spawn the Block
	 * @param An int for passing the X-Coordinate for the Generation method
	 * @param An int for passing the Z-Coordinate for the Generation method
	 * @param An int for setting the maximum X-Coordinate values for spawning on the X-Axis on a Per-Chunk basis
	 * @param An int for setting the maximum Z-Coordinate values for spawning on the Z-Axis on a Per-Chunk basis
	 * @param An int for setting the maximum size of a vein
	 * @param An int for the Number of chances available for the Block to spawn per-chunk
	 * @param An int for the minimum Y-Coordinate height at which this block may spawn
	 * @param An int for the maximum Y-Coordinate height at which this block may spawn
	 **/
	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 <= 16: "addOreSpawn: The Maximum X must be greater than 0 and less than 16";
	       assert minY > 0: "addOreSpawn: The Minimum Y must be greater than 0";
	       assert maxY < 256 && maxY > 0: "addOreSpawn: The Maximum Y must be less than 256 but greater than 0";
	       assert maxZ > 0 && maxZ <= 16: "addOreSpawn: The Maximum Z must be greater than 0 and less than 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);
	       }
	}

}

@@ -1137,16 +1137,117 @@
 4, 42);%0A
+%09%09this.addOreSpawn(ZBlocks.oreCopper, world, random, x, z, 16, 16, 5 + random.nextInt(2), 5, 0, 70);%0A
 %09%7D%0A%09%0A%09//

Add copper ore to world gen