/**
     * compares ItemStack argument to the instance ItemStack; returns true if both ItemStacks are equal
     */
    private boolean isItemStackEqual(ItemStack p_77959_1_)
    {
        return this.stackSize != p_77959_1_.stackSize ? false : (this.field_151002_e != p_77959_1_.field_151002_e ? false : (this.itemDamage != p_77959_1_.itemDamage ? false : (this.stackTagCompound == null && p_77959_1_.stackTagCompound != null ? false : this.stackTagCompound == null || this.stackTagCompound.equals(p_77959_1_.stackTagCompound))));
    }