Server.Engines.Craft.CraftItem.GetSuccessChance C# (CSharp) Method

        public double GetSuccessChance(Mobile from, CraftSystem craftSystem, bool gainSkills, ref bool allRequiredSkills)
        {
            double minMainSkill = 0.0;
            double maxMainSkill = 0.0;
            double valMainSkill = 0.0;

            allRequiredSkills = true;

            for (int i = 0; i < m_arCraftSkill.Count; i++)
            {
                CraftSkill craftSkill = m_arCraftSkill.GetAt(i);

                double minSkill = craftSkill.MinSkill;
                double maxSkill = craftSkill.MaxSkill;
                double valSkill = from.Skills[craftSkill.SkillToMake].Value;

                if (valSkill < minSkill)
                    allRequiredSkills = false;

                if (craftSkill.SkillToMake == craftSystem.MainSkill)
                {
                    minMainSkill = minSkill;
                    maxMainSkill = maxSkill;
                    valMainSkill = valSkill;
                }

                if (gainSkills) // This is a passive check. Success chance is entirely dependant on the main skill
                    from.CheckSkill(craftSkill.SkillToMake, minSkill, maxSkill);
            }

            double chance;

            if (allRequiredSkills)
                chance = craftSystem.GetChanceAtMin(this) + ((valMainSkill - minMainSkill) / (maxMainSkill - minMainSkill) * (1.0 - craftSystem.GetChanceAtMin(this)));
            else
                chance = 0.0;

            if (allRequiredSkills && valMainSkill == maxMainSkill)
                chance = 1.0;

            return chance;
        }

        public void DrawSkill()
        {
            for (int i = 0; i < m_CraftItem.Skills.Count; i++)
            {
                CraftSkill skill = m_CraftItem.Skills.GetAt(i);
                double     minSkill = skill.MinSkill, maxSkill = skill.MaxSkill;

                if (minSkill < 0)
                {
                    minSkill = 0;
                }

                AddHtmlLocalized(170, 132 + (i * 20), 200, 18, 1044060 + (int)skill.SkillToMake, LabelColor, false, false);
                AddLabel(430, 132 + (i * 20), LabelHue, String.Format("{0:F1}", minSkill));
            }

            CraftSubResCol res      = (m_CraftItem.UseSubRes2 ? m_CraftSystem.CraftSubRes2 : m_CraftSystem.CraftSubRes);
            int            resIndex = -1;

            CraftContext context = m_CraftSystem.GetContext(m_From);

            if (context != null)
            {
                resIndex = (m_CraftItem.UseSubRes2 ? context.LastResourceIndex2 : context.LastResourceIndex);
            }

            bool   allRequiredSkills = true;
            double chance            = m_CraftItem.GetSuccessChance(m_From, resIndex > -1 ? res.GetAt(resIndex).ItemType : null, m_CraftSystem, false, ref allRequiredSkills);

            double excepChance = m_CraftItem.GetExceptionalChance(m_CraftSystem, chance, m_From);

            if (chance < 0.0)
            {
                chance = 0.0;
            }
            else if (chance > 1.0)
            {
                chance = 1.0;
            }

            if (excepChance < 0.0)
            {
                excepChance = 0.0;
            }
            else if (excepChance > 1.0)
            {
                excepChance = 1.0;
            }

            AddHtmlLocalized(170, 80, 250, 18, 1044057, LabelColor, false, false);               // Success Chance:
            AddLabel(430, 80, LabelHue, String.Format("{0:F1}%", chance * 100));

            if (m_ShowExceptionalChance)
            {
                AddHtmlLocalized(170, 100, 250, 18, 1044058, 32767, false, false);                   // Exceptional Chance:
                AddLabel(430, 100, LabelHue, String.Format("{0:F1}%", excepChance * 100));
            }
        }