[Addon for 1.6.2 (and experimental IC2)] Custom UUM Recipes - Because Old Ones Just Don't Cut It!

package makmods.customuumvalues;




import ic2.api.recipe.IRecipeInput;
import ic2.api.recipe.RecipeInputItemStack;
import ic2.api.recipe.RecipeOutput;
import ic2.api.recipe.Recipes;




import java.util.Map;
import java.util.Map.Entry;
import java.util.logging.Level;
import java.util.logging.Logger;




import net.minecraft.item.ItemStack;
import net.minecraft.nbt.NBTTagCompound;
import net.minecraftforge.common.Configuration;




import com.google.common.collect.Maps;




import cpw.mods.fml.common.Loader;
import cpw.mods.fml.common.Mod;
import cpw.mods.fml.common.Mod.EventHandler;
import cpw.mods.fml.common.Mod.Instance;
import cpw.mods.fml.common.event.FMLInitializationEvent;
import cpw.mods.fml.common.event.FMLPostInitializationEvent;
import cpw.mods.fml.common.event.FMLPreInitializationEvent;




@Mod(modid = CustomUUMValuesReference.MOD_ID, name = CustomUUMValuesReference.MOD_NAME, version = CustomUUMValuesReference.VERSION, dependencies = "required-after:IC2@[2.0,)")
public class CustomUUMValues {




	@Instance(CustomUUMValuesReference.MOD_ID)
	public static CustomUUMValues instance;




	public static Configuration config;
	public static Logger logger;




	public static String CONFIG_CATEGORY = "uumvalues";




	@EventHandler
	public void preInit(FMLPreInitializationEvent event) {
		config = new Configuration(event.getSuggestedConfigurationFile());
		logger = event.getModLog();
		logger.log(Level.INFO, "Pre-Initialization...");
		config.load();
	}




	@EventHandler
	public void init(FMLInitializationEvent event) {
		logger.log(Level.INFO, "Initialization...");
	}




	public void clearScannerRecipes() {
		Recipes.Scanner.getRecipes().clear();
	}




	public static final String AMOUNT_EU = "recordedAmountEU";
	public static final String AMOUNT_UU = "recordedAmountUU";




	public static void addScannerRecipe(ItemStack output, int recordedAmountUU,
			int recordedAmountEU) {
		if (output == null)
			return;
		NBTTagCompound metadata = new NBTTagCompound();




		metadata.setInteger(AMOUNT_UU, recordedAmountUU);
		metadata.setInteger(AMOUNT_EU, recordedAmountEU);




		Recipes.Scanner.addRecipe(new RecipeInputItemStack(output), metadata,
				new ItemStack[0]);
	}




	@EventHandler
	public void postInit(FMLPostInitializationEvent event) {
		logger.log(Level.INFO, "Post-Initialization...");
		if (!Loader.isModLoaded("IC2"))
			throw new RuntimeException("IC2 isn't installed.");
		Map<IRecipeInput, RecipeOutput> immutableScannerCopy = Maps
				.newHashMap();
		immutableScannerCopy.putAll(Recipes.Scanner.getRecipes());
		logger.info("Clearing old scanner recipes...");
		clearScannerRecipes();
		for (Entry<IRecipeInput, RecipeOutput> r : immutableScannerCopy
				.entrySet()) {
			try {
				if (r.getKey().getInputs().size() != 1) {
					logger.log(Level.SEVERE, "Recipe is invalid, continuing...");
					continue;
				}
				ItemStack output = r.getKey().getInputs().get(0);
				if (output == null) {
					logger.log(Level.SEVERE, "Recipe is invalid, continuing...");
					continue;
				}
				NBTTagCompound alreadyExisted = r.getValue().metadata;
				int alreadyExistedEU = alreadyExisted.getInteger(AMOUNT_EU);
				int alreadyExistedUU = alreadyExisted.getInteger(AMOUNT_UU);
				String name = output.getUnlocalizedName().replace("item.", "")
						.replace("tile.", "").replace(".name", "");
				int eu = config.get(CONFIG_CATEGORY, name + "Eu",
						alreadyExistedEU).getInt();
				int uu = config.get(CONFIG_CATEGORY, name + "Uu",
						alreadyExistedUU).getInt();
				if (eu > 0 && uu > 0) {
					logger.info(String.format(
							"Re-adding scanner recipe for %s, EU: %d, UU: %d",
							name, eu, uu));
					addScannerRecipe(output.copy(), uu, eu);
				}
			} catch (Throwable t) {
				logger.severe("Exception occured! Whoops!");
				t.printStackTrace();
			}
		}
		config.save();
	}
}