using System;

public class Program

{

    public static void Main()

    {

        /******************** User Input ********************/

        // Character Stats

        double smithingSkill =  0,      // Set to 0 for non-sharpened quality

            smithingEnchant =   0,      // Fortify smithing enchantment as decimal (ie 120% = 1.2)

            smithingPotion =    0,      // Fortify smithing potions as decimal (ie 120% = 1.2)

            weaponSkill =       100,    // Skill level for weapon type to be calculated

            perkEffect =        1,      // Barbarian/Armsman/Overdraw rank level as decimal (ie 80% = 0.8)

            itemEffect =        1.6,    // Fortify weapon type enchantments as decimal (ie 120% = 1.2)

            potionEffect =      0,      // Fortify weapon type potions as decimal (ie 120% = 1.2) (Alchemy sandbox here: http://www.garralab.com/skyrim/alchemy.php)

            seekerOfMight =     0;      // Black Book: The Sallow Regent quest reward (0 or 0.1)

        bool hasSmithingPerk =  false;  // Player has smithing perk (Orcish, Elven, etc.)

        // Base Weapon Damage (found here: http://en.uesp.net/wiki/Skyrim:Weapons#One-handed_Weapons)

        int baseDamage =        24,

            arrowDamage =       24;     // Set to 0 for melee weapons

        /****** DO NOT CHANGE ANYTHING BELOW THIS LINE ******/

        DamageCalculator damageCalculator = 

            new DamageCalculator(smithingSkill, smithingEnchant, smithingPotion, 

                                 weaponSkill, perkEffect, itemEffect, potionEffect, 

                                 seekerOfMight, hasSmithingPerk);

        damageCalculator.RunCalculations(baseDamage, arrowDamage);

    }

}

​

public class DamageCalculator

{   

    private double smithingSkill;

    private double smithingEnchant;

    private double smithingPotion;

    private double weaponSkill;

    private double perkEffect;

    private double itemEffect;

    private double potionEffect;

    private double seekerOfMight;

    private bool hasSmithingPerk;

    public DamageCalculator(double smithingSkill, double smithingEnchant, double smithingPotion, 

                            double weaponSkill, double perkEffect, double itemEffect, 

                            double potionEffect, double seekerOfMight, bool hasSmithingPerk)

    {

        this.smithingSkill = smithingSkill;

        this.smithingEnchant = smithingEnchant;

        this.smithingPotion = smithingPotion;

        this.weaponSkill = weaponSkill;

        this.perkEffect = perkEffect;

        this.itemEffect = itemEffect;

        this.potionEffect = potionEffect;

        this.seekerOfMight = seekerOfMight;

        this.hasSmithingPerk = hasSmithingPerk;

    }

    public void RunCalculations(int baseDamage, int arrowDamage)

    {

        double displayedWeaponDamage = Math.Floor( 

            (baseDamage + GetSmithingQuality()) 

            * (1 + weaponSkill/200) 

            * (1 + perkEffect) 

            * (1 + itemEffect) 

            * (1 + potionEffect) 

            * (1 + seekerOfMight)

            + arrowDamage

            );

        Console.Write(displayedWeaponDamage);   

    }

    private double GetSmithingQuality()

    {   

        if (smithingSkill < 14) { return 0; }

        double effectiveSkill = 

            (smithingSkill - 13.29)

            * (1 + (hasSmithingPerk ? 1 : 0))

            * (1 + smithingEnchant)

            * (1 + smithingPotion)

            + 13.29;

        double qualityLevel = Math.Floor((effectiveSkill + 38) * 3 / 103);

        double smithingQuality = 3.6 * qualityLevel - 1.6;

        return Math.Ceiling(smithingQuality/2);

    }

}