Custom Recipes MinecraftPlugin object

object MinecraftPlugin extends IPlugin with ICustomRecipe with IRecipeSubtypes{

  val modID: String = "minecraft"

  def getMachineRecipes: JCollection[ICustomRecipe] = Seq(this)

  def getMachineIDs: JCollection[String] = Seq("wb", "bench", "workbench", "furnace")

  def getSubtypes: JCollection[String] = Seq("shaped", "shapeless", null)

  def addRecipe(machine: String, subtype: String, recipe: JsonObject) = machine match{
    case "wb" | "bench" | "workbench" => addWorkbenchRecipe(subtype, recipe)
    case "furnace" => addFurnaceRecipe(recipe)
  }

  def removeRecipes() = {
    //TODO Save all custom recipes in the list and remove it here
  }

  @throws[AddRecipeException]
  def check(json: JsonObject, tag: String, recipeType: String) = {
    if(!json.has(tag))
      throw new AddRecipeException("%s recipe don't have %s tag! JSON: %s", recipeType.capitalize, tag, json.toString)
  }

  private def addWorkbenchRecipe(subtype: String, recipe: JsonObject) = subtype match{
    case "shapeless" =>
      check(recipe, "input", "shapeless")
      check(recipe, "output", "shapeless")
      val output: JsonItemStack = RecipeParser.decodeItemStack(recipe.get("output"))
      if(output == null)
        throw new AddRecipeException("Shapeless recipe output tag is invalid! JSON: %s", recipe.get("output").toString)
      if(output.isOredict)
        throw new AddRecipeException("Shapeless output can't be oredict! JSON: %s", recipe.get("output").toString)
      val inputs: Array[Object] = RecipeParser.decodeItemStackArray(recipe.get("input"))
        .map(jis => if(jis.isOredict) jis.getItemName else jis.toItemStack)
      //TODO Add recipes to reload list
      GameRegistry.addRecipe(new ShapelessOreRecipe(output.toItemStack, inputs:_*))
    case "shaped" => //TODO Decode and add a shaped recipes
  }

  private def addFurnaceRecipe(recipe: JsonObject) = { //TODO Find a way to remove recipe for reloading
    check(recipe, "input", "furnace")
    check(recipe, "output", "furnace")
    val in: JsonItemStack = RecipeParser.decodeItemStack(recipe.get("input"))
    val out: JsonItemStack = RecipeParser.decodeItemStack(recipe.get("output"))
    if(in == null)
      throw new AddRecipeException("Furnace recipe input tag is invalid! JSON: %s", recipe.get("output").toString)
    if(out == null)
      throw new AddRecipeException("Furnace recipe output tag is invalid! JSON: %s", recipe.get("output").toString)
    if(in.isOredict) //TODO Furnace recipe CAN be oredict, just add recipe for each type of ore
      throw new AddRecipeException("Furnace input can't be oredict! JSON: %s", recipe.get("output").toString)
    if(out.isOredict)
      throw new AddRecipeException("Furnace output can't be oredict! JSON: %s", recipe.get("output").toString)
    val xp: Float =
      if(recipe.has("xp") && recipe.get("xp").isJsonPrimitive && recipe.getAsJsonPrimitive("xp").isNumber)
        recipe.getAsJsonPrimitive("xp").getAsFloat
      else 0.0F
    FurnaceRecipes.smelting().func_151394_a(in.toItemStack, out.toItemStack, xp)
  }
}