CraftingManager.addRecipe()

public void addRecipe(ItemStack par1ItemStack, Object ... par2ArrayOfObj)
    {
        String var3 = "";
        int var4 = 0;
        int var5 = 0;
        int var6 = 0;

        if (par2ArrayOfObj[var4] instanceof String[])
        {
            String[] var7 = (String[])((String[])par2ArrayOfObj[var4++]);

            for (int var8 = 0; var8 < var7.length; ++var8)
            {
                String var9 = var7[var8];
                ++var6;
                var5 = var9.length();
                var3 = var3 + var9;
            }
        }
        else
        {
            while (par2ArrayOfObj[var4] instanceof String)
            {
                String var11 = (String)par2ArrayOfObj[var4++];
                ++var6;
                var5 = var11.length();
                var3 = var3 + var11;
            }
        }

        HashMap var12;

        for (var12 = new HashMap(); var4 < par2ArrayOfObj.length; var4 += 2)
        {
            Character var13 = (Character)par2ArrayOfObj[var4];
            ItemStack var14 = null;

            if (par2ArrayOfObj[var4 + 1] instanceof Item)
            {
                var14 = new ItemStack((Item)par2ArrayOfObj[var4 + 1]);
            }
            else if (par2ArrayOfObj[var4 + 1] instanceof Block)
            {
                var14 = new ItemStack((Block)par2ArrayOfObj[var4 + 1], 1, -1);
            }
            else if (par2ArrayOfObj[var4 + 1] instanceof ItemStack)
            {
                var14 = (ItemStack)par2ArrayOfObj[var4 + 1];
            }

            var12.put(var13, var14);
        }

        ItemStack[] var15 = new ItemStack[var5 * var6];

        for (int var16 = 0; var16 < var5 * var6; ++var16)
        {
            char var10 = var3.charAt(var16);

            if (var12.containsKey(Character.valueOf(var10)))
            {
                var15[var16] = ((ItemStack)var12.get(Character.valueOf(var10))).copy();
            }
            else
            {
                var15[var16] = null;
            }
        }

        this.recipes.add(new ShapedRecipes(var5, var6, var15, par1ItemStack));
    }