3a61f20b81
- Skills tab now saves skill ID so gem names can update across versions - Updated minion base values
125 lines
3.2 KiB
Lua
125 lines
3.2 KiB
Lua
-- Path of Building
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--
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-- Module: Calc Tools
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-- Various functions used by the calculation modules
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--
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local pairs = pairs
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local m_floor = math.floor
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local m_min = math.min
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local m_max = math.max
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calcLib = { }
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-- Calculate and combine INC/MORE modifiers for the given modifier names
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function calcLib.mod(modDB, cfg, ...)
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return (1 + (modDB:Sum("INC", cfg, ...)) / 100) * modDB:Sum("MORE", cfg, ...)
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end
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-- Calculate value
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function calcLib.val(modDB, name, cfg)
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local baseVal = modDB:Sum("BASE", cfg, name)
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if baseVal ~= 0 then
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return baseVal * calcLib.mod(modDB, cfg, name)
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else
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return 0
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end
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end
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-- Calculate hit chance
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function calcLib.hitChance(evasion, accuracy)
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local rawChance = accuracy / (accuracy + (evasion / 4) ^ 0.8) * 100
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return m_max(m_min(round(rawChance), 95), 5)
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end
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-- Calculate physical damage reduction from armour
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function calcLib.armourReduction(armour, raw)
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return round(armour / (armour + raw * 10) * 100)
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end
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-- Validate the level of the given gem
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function calcLib.validateGemLevel(gem)
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if not gem.grantedEffect.levels[gem.level] then
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-- Try limiting to the level range of the gem
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gem.level = m_max(1, gem.level)
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if #gem.grantedEffect.levels > 0 then
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gem.level = m_min(#gem.grantedEffect.levels, gem.level)
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end
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if not gem.grantedEffect.levels[gem.level] then
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-- That failed, so just grab any level
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gem.level = next(gem.grantedEffect.levels)
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end
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end
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end
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-- Check if given support gem can support the given skill types
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function calcLib.gemCanSupportTypes(gem, skillTypes)
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for _, skillType in pairs(gem.grantedEffect.excludeSkillTypes) do
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if skillTypes[skillType] then
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return false
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end
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end
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if not gem.grantedEffect.requireSkillTypes[1] then
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return true
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end
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for _, skillType in pairs(gem.grantedEffect.requireSkillTypes) do
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if skillTypes[skillType] then
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return true
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end
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end
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return false
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end
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-- Check if given support gem can support the given active skill
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function calcLib.gemCanSupport(gem, activeSkill)
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if gem.grantedEffect.unsupported then
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return false
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end
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if activeSkill.summonSkill then
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return calcLib.gemCanSupport(gem, activeSkill.summonSkill)
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end
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if activeSkill.minionSkillTypes and calcLib.gemCanSupportTypes(gem, activeSkill.minionSkillTypes) then
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return true
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end
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return calcLib.gemCanSupportTypes(gem, activeSkill.skillTypes)
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end
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-- Check if given gem is of the given type ("all", "strength", "melee", etc)
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function calcLib.gemIsType(gem, type)
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local tags = gem.grantedEffect.gemTags
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return tags and (type == "all" or (type == "elemental" and (tags.fire or tags.cold or tags.lightning)) or tags[type])
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end
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-- From PyPoE's formula.py
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function calcLib.gemStatRequirement(level, isSupport, multi)
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if multi == 0 then
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return 0
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end
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local a, b
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if isSupport then
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b = 6 * multi / 100
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if multi == 100 then
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a = 1.495
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elseif multi == 60 then
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a = 0.945
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elseif multi == 40 then
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a = 0.6575
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else
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return 0
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end
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else
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b = 8 * multi / 100
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if multi == 100 then
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a = 2.1
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b = 7.75
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elseif multi == 60 then
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a = 1.325
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elseif multi == 40 then
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a = 0.924
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else
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return 0
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end
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end
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local req = round(level * a + b)
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return req < 14 and 0 or req
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end |