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Difference between revisions of "Module:Sandbox/Combat"

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 +
-- **
 +
-- Damage calculations are based on http://kancollecalc.web.fc2.com/damage_formula.html and WikiWiki combat page.
 +
-- NB CI rate formula is from WikiWiki combat page (also, 検証、仮説スレ18).
 +
-- Evasion rate formula: 検証、仮説スレ 10, 488.
 +
-- Accuracy rate formula: 検証、仮説スレ17, 314, http://kancolle.wikia.com/wiki/Sandbox/Accuracy_Evasion_Tables
 +
--
 +
 +
-- * TODO: Switch to Combat2.
  
 
local Combat = {}
 
local Combat = {}
  
−
-- * Damage calculator.
+
Combat.modifier = {
−
--
 
−
-- TBD
 
−
--
 
−
--  http://kancollecalc.web.fc2.com/damage_formula.html
 
−
--  http://kancollecalc.web.fc2.com/damage.js
 
−
--
 
−
--  http://wikiwiki.jp/kancolle/?%C0%EF%C6%AE%A4%CB%A4%C4%A4%A4%A4%C6
 
−
--  http://wikiwiki.jp/kancolle/?%BB%D9%B1%E7%B4%CF%C2%E2
 
−
--
 
−
 
 
−
local engagement_modifiers = {
 
−
green_t = 1.2,
 
−
parallel = 1.0,
 
−
head_on = 0.8,
 
−
red_t = 0.6
 
−
}
 
  
−
local spotting_modifiers = {
+
comined_firepower = {
−
cut_in = {
+
ctf_first = 0,
−
main_second = 1.1,
+
ctf_second = 10,
−
main_radar = 1.2,
+
stf_first = 10,
−
main_ap = 1.3,
+
stf_second = -5,
−
main_main = 1.5,
 
 
},
 
},
−
double = 1.2
 
−
}
 
  
−
local comined_fp = {
+
comined_torpedo = -5,
−
ctf_first = 0,
 
−
ctf_second = 10,
 
−
stf_first = 10,
 
−
stf_second = -5
 
−
}
 
  
−
local comined_torp = -5
+
night_contact = 5,
  
−
local formation_modifiers = {
+
formation = {
−
line_ahead = 1.0,
+
line_ahead = 1.0,
−
double_line = 0.8,
+
double_line = 0.8,
−
diamond = 0.7,
 
−
echelon = 0.6,
 
−
line_abreast = 0.6,
 
−
combined = {
 
−
line_ahead = 1.1,
 
 
diamond = 0.7,
 
diamond = 0.7,
−
double_line = 1.0,
+
echelon = 0.6,
−
line_abreast = 0.8,
+
line_abreast = 0.6,
−
}
+
combined = {
−
}
+
line_ahead = 1.1,
 +
diamond = 0.7,
 +
double_line = 1.0,
 +
line_abreast = 0.8,
 +
},
 +
},
 +
 
 +
engagement = {
 +
green_t = 1.2,
 +
parallel = 1.0,
 +
head_on = 0.8,
 +
red_t = 0.6,
 +
},
 +
 
 +
health = {
 +
normal = 1.0,
 +
chuuha = 0.7,
 +
taiha = 0.4,
 +
},
  
−
local health_modifiers = {
+
anti_ground = 2.5,
−
normal = 1.0,
+
wg_bonus = 75,
−
chuuha = 0.7,
 
−
taiha = 0.4
 
−
}
 
  
−
function ammo_modifier(ammo)
+
cap = {
−
return ammo >= 5 and 1 or ammo / 5
+
day = 150,
−
end
+
night = 300,
 +
},
  
−
local ap_modifiers = {
+
spotting = {
−
main_ap = 1.08,
+
cut_in = {
−
main_ap_radar = 1.1,
+
main_main = 1.5,
−
main_second_ap = 1.15,
+
main_ap = 1.3,
−
main_second_ap_radar = 1.15
+
main_radar = 1.2,
−
}
+
main_second = 1.1,
 +
},
 +
double = 1.2,
 +
},
  
−
local critical_modifier = 1.5
+
night_attack = {
 +
cut_in = {
 +
main = 2,
 +
main_misc = 1.75,
 +
torpedo = 1.5,
 +
mixed = 1.3,
 +
},
 +
double = 1.2,
 +
normal = 1,
 +
},
  
−
local anti_ground_modifier = 2.5
+
critical = 1.5,
−
local anti_ground_wg_bonus = 75
 
  
−
local db_cap = 150
+
ap = {
−
local nb_cap = 300
+
main_ap = 1.08,
 +
main_ap_radar = 1.1,
 +
main_second_ap = 1.15,
 +
main_second_ap_radar = 1.15,
 +
},
  
−
local equip_coeffs = {
 
−
small_gun = 1,
 
−
medium_gun = 1,
 
−
main_gun = 1.5,
 
−
ap = 1,
 
−
torpedo = 1.2,
 
 
}
 
}
  
−
function default_modifiers(critical)
+
function Combat.ammo_modifier(ammo_bars)
−
return {
+
return ammo_bars >= 5 and 1 or ammo_bars / 5
−
combined_fp = 0,
 
−
combined_torp = 0,
 
−
anti_ground_bonus = 0,
 
−
engagement = engagement_modifiers.parallel,
 
−
formation = formation_modifiers.line_ahead,
 
−
health = health_modifiers.normal,
 
−
anti_ground = 1,
 
−
anti_sub = 1,
 
−
night = 1,
 
−
cap = db_cap,
 
−
spotting = 1,
 
−
contact = 1,
 
−
expert = 1,
 
−
critical = critical and critical_modifier or 1,
 
−
ap = 1,
 
−
ammo = 1,
 
−
}
 
 
end
 
end
  
−
function shelling_attack_power(fp, equip_bonus, modifiers)
+
-- * Combat object with ship-independent values as fields.
−
return 5 + fp + equip_bonus + modifiers.combined_fp + modifiers.anti_ground_bonus
+
--  Ship and enemy values are passed via arguments.
−
end
 
  
−
function torpedo_attack_power(torp, equip_bonus, modifiers)
+
function Combat:new(is_night_battle)
−
return 5 + torp + equip_bonus + modifiers.combined_torp
+
local stage = {
 +
combined_firepower = 0,
 +
combined_torpedo = 0,
 +
formation = self.modifier.formation.line_ahead,
 +
engagement = self.modifier.engagement.parallel,
 +
night_contact = 0,
 +
is_night_battle = is_night_battle,
 +
cap = is_night_battle and self.modifier.cap.night or self.modifier.cap.day,
 +
contact = 1, -- TODO
 +
expert = 1, -- TODO
 +
}
 +
setmetatable(stage, self)
 +
self.__index = self
 +
return stage
 
end
 
end
  
−
function damage_pre_cap(attack_power, modifiers)
+
function Combat:damage_pre_cap(ship)
−
return  
+
return self.engagement * self.formation * ship.health * ship.anti_ground * ship.anti_sub * ship.night_attack * ship.attack_power
−
modifiers.engagement * modifiers.formation * modifiers.health *
 
−
modifiers.anti_ground * modifiers.anti_sub *
 
−
modifiers.night *
 
−
attack_power
 
 
end
 
end
  
−
function damage_cap(attack_power, modifiers)
+
function Combat:damage_cap(attack_power)
−
if attack_power > modifiers.cap then
+
if attack_power > self.cap then
−
attack_power = modifiers.cap + math.sqrt(attack_power - modifiers.cap)
+
attack_power = self.cap + math.sqrt(attack_power - self.cap)
 
end
 
end
 
return math.floor(attack_power)
 
return math.floor(attack_power)
 
end
 
end
  
−
function damage_post_cap(attack_power, modifiers, armor)
+
function Combat:damage_post_cap(attack_power, ship, enemy_armor)
−
attack_power =
+
attack_power = ship.spotting * self.contact * math.floor(self.expert * ship.critical * math.floor(ship.ap * attack_power))
−
modifiers.spotting * modifiers.contact *
+
if enemy_armor then
−
math.floor(modifiers.expert * modifiers.critical *
+
local min_armor = enemy_armor * 0.7
−
math.floor(modifiers.ap * attack_power))
+
local max_armor = enemy_armor * 0.7 + math.max(enemy_armor - 1, 0) * 0.6
−
if armor then
+
local min = math.floor((attack_power - max_armor) * ship.ammo_modifier)
−
local min_armor = armor * 0.7
+
local max = math.floor((attack_power - min_armor) * ship.ammo_modifier)
−
local max_armor = armor * 0.7 + math.max(armor - 1, 0) * 0.6
 
−
local min = math.floor((attack_power - max_armor) * modifiers.ammo)
 
−
local max = math.floor((attack_power - min_armor) * modifiers.ammo)
 
 
return { min, max }
 
return { min, max }
 
else
 
else
−
return math.floor(attack_power * modifiers.ammo)
+
return math.floor(attack_power * ship.ammo_modifier)
 
end
 
end
 
end
 
end
  
−
function damage(attack_power, modifiers, armor)
+
function Combat:damage(ship, enemy_armor)
−
return damage_post_cap(damage_cap(damage_pre_cap(attack_power, modifiers), modifiers), modifiers, armor)
+
return self:damage_post_cap(self:damage_cap(self:damage_pre_cap(ship)), ship, enemy_armor)
 +
end
 +
 
 +
function Combat:shelling(ship)
 +
ship.attack_power = 5 + ship._firepower_max + ship.equipment_bonus.firepower + self.combined_firepower + ship.anti_ground_bonus
 +
return ship
 
end
 
end
  
−
-- * CI rate formula.
+
function Combat:torpedo(ship)
 +
ship.attack_power = 5 + ship._torpedo_max + ship.equipment_bonus.torpedo + self.combined_torpedo
 +
return ship
 +
end
  
−
local cut_in_types = {
+
function Combat:night_battle(ship)
−
torpedo = { k = 70, cap = 60 },
+
if ship.health == self.modifier.health.taiha then
−
mixed = { k = 70, cap = 70 },
+
ship.attack_power = 0
−
main = { k = 50, cap = 55 }
+
else
 +
ship.attack_power = self.night_contact + ship._firepower_max + ship._torpedo_max + ship.equipment_bonus.firepower + ship.equipment_bonus.torpedo
 +
end
 +
return ship
 +
end
 +
 
 +
Combat.nb_cut_in_types = {
 +
torpedo = { k = 70, luck_cap = 60 },
 +
mixed = { k = 70, luck_cap = 70 },
 +
main = { k = 50, luck_cap = 55 },
 
}
 
}
  
−
function cut_in_rate(luck, t)
+
function Combat.nb_cut_in_rate(ship, modifier)
−
if luck <= t.cap then
+
if ship._luck <= modifier.luck_cap then
−
return math.floor(math.sqrt(t.k * luck))
+
return math.floor(math.sqrt(modifier.k * ship._luck))
 +
else
 +
return math.floor(math.sqrt(modifier.k * modifier.luck_cap))
 +
end
 +
end
 +
 
 +
function Combat.evasion_rate(ship, high_morale)
 +
local e = ship:evasion_leveled()
 +
if high_morale then
 +
return math.floor(100 * 2 * e / (2 * e + 40))
 
else
 
else
−
return cut_in_rate(t.cap, t)
+
return math.floor(100 * e / (e + 40))
 +
end
 +
end
 +
 
 +
function Combat.accuracy_rate(ship)
 +
return math.floor(100 * ((math.sqrt(ship._level) - 1) / 45 + ship._luck / 1000))
 +
end
 +
 
 +
function Combat.air_power(ship)
 +
local slot1 = math.floor(25 + 10 * math.sqrt(ship._equipment[1].size))
 +
local slot2 = math.floor(25 + 10 * math.sqrt(ship._equipment[2].size))
 +
local slot3 = math.floor(25 + 10 * math.sqrt(ship._equipment[3].size))
 +
local slot4 = ship._equipment[4] and math.floor(25 + 10 * math.sqrt(ship._equipment[4].size)) or 0
 +
return {
 +
slot_all = slot1 + slot2 + slot3 + slot4,
 +
slot1 = slot1,
 +
slot2 = slot2,
 +
slot3 = slot3,
 +
slot4 = slot4,
 +
}
 +
end
 +
 
 +
-- * Ship object with extra fields related to combat.
 +
 
 +
function Combat.ship(ship, equip, night_attack, spotting)
 +
 
 +
local ship = {
 +
_firepower_max = ship._firepower_max or 0,
 +
_torpedo_max = ship._torpedo_max or 0,
 +
_luck = ship._luck or 0,
 +
equipment = equip or {},
 +
equipment_bonus = { firepower = 0, torpedo = 0 },
 +
health = ship.health or Combat.modifier.health.normal,
 +
anti_ground = ship.anti_ground and Combat.modifier.anti_ground or 1,
 +
anti_ground_bonus = ship.wg and Combat.modifier.wg_bonus or 0,
 +
anti_sub = ship.anti_sub or 1,
 +
night_attack = night_attack or 1,
 +
night_attack_x2 = night_attack == Combat.modifier.night_attack.cut_in.torpedo or
 +
  night_attack == Combat.modifier.night_attack.cut_in.mixed,
 +
spotting = spotting or 1,
 +
critical = ship.critical or 1,
 +
ap = ship.ap or 1,
 +
ammo_modifier = ship.ammo_modifier or 1,
 +
}
 +
 
 +
for _, eq in pairs(ship.equipment) do
 +
if eq.firepower then
 +
ship.equipment_bonus.firepower = ship.equipment_bonus.firepower + eq.firepower + (eq.k and eq.rank and eq.k * math.sqrt(eq.rank) or 0)
 +
end
 +
if eq.torpedo then
 +
ship.equipment_bonus.torpedo = ship.equipment_bonus.torpedo + eq.torpedo + (eq.k and eq.rank and eq.k * math.sqrt(eq.rank) or 0)
 +
end
 
end
 
end
 +
ship.equipment_bonus.firepower = math.floor(ship.equipment_bonus.firepower)
 +
ship.equipment_bonus.torpedo = math.floor(ship.equipment_bonus.torpedo)
 +
 +
return ship
 +
 +
end
 +
 +
-- * Using Module:ShipCapabilities.
 +
 +
local BaseData = require("Module:BaseData")
 +
local ShipCapabilities = require("Module:ShipCapabilities")
 +
 +
local Combat2 = BaseData{
 +
 +
fleet = {
 +
single = {
 +
line_ahead  = { shelling = 1.0, salvo = 1.0, asw = 0.6, firepower = 0, torpedo = 0, },
 +
double_line  = { shelling = 0.8, salvo = 0.8, asw = 0.8, firepower = 0, torpedo = 0, },
 +
diamond      = { shelling = 0.7, salvo = 0.7, asw = 1.2, firepower = 0, torpedo = 0, },
 +
echelon      = { shelling = 0.6, salvo = 0.6, asw = 1.0, firepower = 0, torpedo = 0, },
 +
line_abreast = { shelling = 0.6, salvo = 0.6, asw = 1.3, firepower = 0, torpedo = 0, },
 +
},
 +
ctf_main = {
 +
line_abreast = { shelling = 0.8, salvo = nil, asw = 1.0, firepower = 0, torpedo = nil, },
 +
double_line  = { shelling = 1.0, salvo = nil, asw = 0.8, firepower = 0, torpedo = nil, },
 +
diamond      = { shelling = 0.7, salvo = nil, asw = 0.75, firepower = 0, torpedo = nil, },
 +
line_ahead  = { shelling = 1.1, salvo = nil, asw = 0.5, firepower = 0, torpedo = nil, },
 +
},
 +
ctf_escort = {
 +
line_abreast = { shelling = 0.8, salvo = 0.7, asw = 1.0, firepower = 10, torpedo = -5, },
 +
double_line  = { shelling = 1.0, salvo = 0.9, asw = 0.8, firepower = 10, torpedo = -5, },
 +
diamond      = { shelling = 0.7, salvo = 0.6, asw = 0.75, firepower = 10, torpedo = -5, },
 +
line_ahead  = { shelling = 1.1, salvo = 1.0, asw = 0.5, firepower = 10, torpedo = -5, },
 +
},
 +
stf_main = {
 +
line_abreast = { shelling = 0.8, salvo = nil, asw = 1.0, firepower = 10, torpedo = nil, },
 +
double_line  = { shelling = 1.0, salvo = nil, asw = 0.8, firepower = 10, torpedo = nil, },
 +
diamond      = { shelling = 0.7, salvo = nil, asw = 0.75, firepower = 10, torpedo = nil, },
 +
line_ahead  = { shelling = 1.1, salvo = nil, asw = 0.5, firepower = 10, torpedo = nil, },
 +
},
 +
stf_escort = {
 +
line_abreast = { shelling = 0.8, salvo = 0.7, asw = 1.0, firepower = -5, torpedo = -5, },
 +
double_line  = { shelling = 1.0, salvo = 0.9, asw = 0.8, firepower = -5, torpedo = -5, },
 +
diamond      = { shelling = 0.7, salvo = 0.6, asw = 0.75, firepower = -5, torpedo = -5, },
 +
line_ahead  = { shelling = 1.1, salvo = 1.0, asw = 0.5, firepower = -5, torpedo = -5, },
 +
},
 +
},
 +
 +
engagement = {
 +
green_t = 1.2,
 +
parallel = 1.0,
 +
head_on = 0.8,
 +
red_t = 0.6,
 +
},
 +
 +
health = {
 +
normal = 1.0,
 +
chuuha = 0.7,
 +
taiha = 0.4,
 +
},
 +
 +
-- handled by ShipCapabilities
 +
--night_attack = {
 +
-- cut_in = {
 +
-- main = 2,
 +
-- main_misc = 1.75,
 +
-- torpedo = 1.5,
 +
-- mixed = 1.3,
 +
-- },
 +
-- double = 1.2,
 +
-- normal = 1,
 +
--},
 +
 +
-- TODO: also use ShipCapabilities?
 +
spotting = {
 +
cut_in = {
 +
main_main = 1.5,
 +
main_ap = 1.3,
 +
main_radar = 1.2,
 +
main_second = 1.1,
 +
},
 +
double = 1.2,
 +
},
 +
 +
ap = {
 +
main_ap = 1.08,
 +
main_ap_radar = 1.1,
 +
main_second_ap = 1.15,
 +
main_second_ap_radar = 1.15,
 +
},
 +
 +
contact = {
 +
[0] = 1.12,
 +
[1] = 1.12,
 +
[2] = 1.17,
 +
[3] = 1.20,
 +
},
 +
 +
cap = {
 +
day = 150,
 +
night = 300,
 +
asw = 100,
 +
},
 +
 +
day_battle = 1,
 +
opening_torpedo = 2,
 +
closing_torpedo = 3,
 +
night_battle = 4,
 +
asw = 5,
 +
opening_airstrike = 6,
 +
day_battle = 7,
 +
 +
}
 +
 +
function Combat2:create(stage)
 +
local this = {}
 +
this.stage = stage or {
 +
fleet = Combat2.fleet.single.line_ahead,
 +
engagement = Combat2.engagement.parallel,
 +
}
 +
setmetatable(this, this)
 +
this.__index = self
 +
return this
 +
end
 +
 +
function Combat2:_get_ammo_modifier(ammo_bars)
 +
return ammo_bars >= 5 and 1 or ammo_bars / 5
 
end
 
end
  
−
-- * Tables.
+
function Combat2:damage(type, ship, enemy, critical)
  
−
local format = require('Module:StringInterpolation').format
+
ship = ShipCapabilities{ ship = ship }
−
local Ship = require('Module:Ship')
 
−
local Formatting = require('Module:Formatting')
 
−
local StatIcons = require('Module:StatIcons')
 
  
−
local table_templates = {
+
local vs_installation = enemy and enemy:is_installation()
  
−
dd = [[{| class="wikitable sortable typography-xl-optout" style="width:100%;"
+
local fleet = self.stage.fleet
−
! colspan="2" |
+
local formation = fleet.shelling
−
! colspan="4" |Day Battle
+
local engagement = self.stage.engagement
−
! colspan="5" |Night Battle
 
−
|-
 
−
!Rank
 
−
!Name
 
−
!${fp}
 
−
!${torp}
 
−
!<span title="Normal attack damage: without equipment, with maxed equipment; all modifiers = 1, see notes">Attack</span>
 
−
!<span title="Normal torpedo salvo damage, all modifiers = 1, see notes">Torpedo</span>
 
−
!${fp_plus_torp}
 
−
!<span title="Maximal damage from double attack (combined)">Double Attack</span>
 
−
!<span title="Maximal damage from cut-in">Cut-In</span>
 
−
!${luck_minus_cap}
 
−
!<span title="Torpedo/mixed cut-in rate, gun cut-in rate (only luck dependent part, no bonuses)">Cut-In Rates</span>
 
−
${rows}|}]],
 
  
−
dd_row = [===[|-
+
local health = ship._health or Combat2.health.normal
−
|${rank}
 
−
|${name}
 
−
|${fp}
 
−
|${torp}
 
−
|${db_attack}
 
−
|${db_torp}
 
−
|${fp_plus_torp}
 
−
|${nb_da}
 
−
|${nb_ci}
 
−
|${luck_minus_cap}
 
−
|${nb_ci_rate}
 
−
]===]
 
  
 +
local cap = Combat2.cap.day
 +
local spotting = 1
 +
local ap = 1
 +
local contact = 1
 +
local expert = 1
 +
local attack_power = 0
 +
 +
if type == Combat2.day_battle then
 +
spotting = ship._spotting or 1
 +
ap = ship._ap or 1
 +
expert = 1 + ((ship._expert_n or 0) + (ship._expert_first and 1 or 0)) / 10
 +
_, attack_power = ship:day_battle(vs_installation, fleet.firepower)
 +
elseif type == Combat2.closing_torpedo or type == Combat2.opening_torpedo then
 +
if not fleet.torpedo then
 +
return false
 +
end
 +
formation = fleet.salvo
 +
attack_power = Combat2.closing_torpedo and ship:closing_torpedo(fleet.torpedo) or Combat2.opening_torpedo and ship:opening_torpedo(fleet.torpedo)
 +
elseif type == Combat2.asw then
 +
formation = fleet.asw
 +
cap = Combat2.cap.asw
 +
attack_power = ship:asw_attack()
 +
elseif type == Combat2.night_battle then
 +
if health == Combat2.health.taiha then
 +
return false
 +
end
 +
formation = 1
 +
engagement = 1
 +
cap = Combat2.cap.night
 +
_, attack_power = ship:night_battle(vs_installation, self.stage.night_contact)
 +
elseif type == Combat2.opening_airstrike then
 +
expert = 1 + ((ship._expert_n or 0) + (ship._expert_first and 1 or 0)) / 10
 +
contact = self.stage.contact and Combat2.contact[self.stage.contact] or 1
 +
attack_power = ship:opening_airstrike()
 +
end
 +
 +
if not attack_power then
 +
return false
 +
end
 +
 +
attack_power = engagement * formation * health * attack_power
 +
 +
if attack_power > cap then
 +
attack_power = cap + math.sqrt(attack_power - cap)
 +
end
 +
attack_power = math.floor(attack_power)
 +
 +
expert = critical and expert or 1
 +
local critical = critical and 1.5 or 1
 +
 +
attack_power = spotting * contact * math.floor(expert * critical * math.floor(ap * attack_power))
 +
 +
local ammo_modifier = ship._ammo_bars and self:_get_ammo_modifier(ship._ammo_bars) or 1
 +
 +
if enemy and enemy._armor then
 +
local armor = enemy._armor
 +
local min_armor = armor * 0.7
 +
local max_armor = armor * 0.7 + math.max(armor - 1, 0) * 0.6
 +
local min = math.floor((attack_power - max_armor) * ammo_modifier)
 +
local max = math.floor((attack_power - min_armor) * ammo_modifier)
 +
return { min = math.max(0, min), max = math.max(0, max) }
 +
else
 +
return math.floor(attack_power * ammo_modifier)
 +
end
 +
 +
end
 +
 +
Combat.Combat2 = Combat2
 +
 +
-- * Template interface.
 +
 +
local Formatting = require("Module:Formatting")
 +
local Ship = require("Module:Ship")
 +
local ShipCapabilities = require("Module:ShipCapabilities")
 +
local Equipment = require("Module:Equipment")
 +
 +
local setups = {
 +
DD = {
 +
"10cm Twin High-angle Gun Mount + Anti-Aircraft Fire Director",
 +
"10cm Twin High-angle Gun Mount + Anti-Aircraft Fire Director",
 +
},
 +
DD_CI = {
 +
"61cm Quintuple (Oxygen) Torpedo Mount",
 +
"61cm Quintuple (Oxygen) Torpedo Mount",
 +
"61cm Quintuple (Oxygen) Torpedo Mount",
 +
},
 
}
 
}
  
−
local map_types = { dd = "dd", cl = "dd", clt = "dd", ca = "dd", bb = "dd" }
+
function init_setup(ship, ci, improved)
 +
local setup = setups[Formatting:format_ship_code(ship._type) .. (ci and "_CI" or "")] or setups[ship._name .. (ci and "_CI" or "")] or {}
 +
ship._equipment = {}
 +
for i = 1, #setup do
 +
ship._equipment[i] = { equipment = Equipment(setup[i]){ _level = improved and 10 or 0 } }
 +
end
 +
end
 +
 
 +
function nb(ship)
 +
init_setup(ship)
 +
return Combat2():damage(Combat2.night_battle, ship)
 +
end
 +
 
 +
function nb_max(ship)
 +
init_setup(ship, false, true)
 +
return Combat2():damage(Combat2.night_battle, ship)
 +
end
  
−
function Combat.table(frame)
+
function nb_ci(ship)
−
    local typ = map_types[frame.args["type"]] or "dd"
+
init_setup(ship, true)
−
return format{
+
return Combat2():damage(Combat2.night_battle, ship)
−
table_templates[typ],
 
−
rows = frame.args[1] or "",
 
−
fp = Formatting:format_image{StatIcons.firepower, caption = Formatting:format_stat_name("firepower")},
 
−
torp = Formatting:format_image{StatIcons.torpedo, caption = Formatting:format_stat_name("torpedo")},
 
−
fp_plus_torp =
 
−
Formatting:format_image{StatIcons.firepower, caption = Formatting:format_stat_name("firepower")}
 
−
.. "+" ..
 
−
Formatting:format_image{StatIcons.torpedo, caption = Formatting:format_stat_name("torpedo")},
 
−
luck_minus_cap =
 
−
    '<span title="Luck cap">60</span>−' ..
 
−
Formatting:format_image{StatIcons.luck, caption = Formatting:format_stat_name("luck")}
 
−
}
 
 
end
 
end
  
−
local modifiers = default_modifiers(false)
+
function nb_ci_max(ship)
 +
init_setup(ship, true, true)
 +
return Combat2():damage(Combat2.night_battle, ship)
 +
end
  
−
function get_db_attack_string(fp, t)
+
function format_nb_damage(damage)
−
    local equip_fp = {
+
return damage >= Combat2.cap.night and string.format('<span style="color:green;">%s</span>', damage) or tostring(damage)
−
        dd = 2 * 3 + math.floor(2 * math.sqrt(10)),
 
−
        cl = 2 * 10 + math.floor(2 * math.sqrt(10)),
 
−
        clt = 2 * 8 + math.floor(2 * math.sqrt(10)),
 
−
    }
 
−
    return
 
−
        damage(shelling_attack_power(fp, 0, modifiers), modifiers)
 
−
        .. ", " ..
 
−
        damage(shelling_attack_power(fp, equip_fp[t] or 0, modifiers), modifiers)
 
 
end
 
end
  
−
function Combat.table_row(frame)
+
function format_nb_ci_boost(boost)
 +
if boost >= 90 then
 +
return string.format('<span style="color:green;">%s</span>', boost)
 +
elseif boost >= 70 then
 +
return string.format('<span style="color:yellow;">%s</span>', boost)
 +
elseif boost >= 50 then
 +
return string.format('<span style="color:orange;">%s</span>', boost)
 +
else
 +
return string.format('<span style="color:red;">%s</span>', boost)
 +
end
 +
end
  
−
local rank = frame.args[1]
+
local nb_ci_types = {
−
local ship_key = frame.args[2]
+
torpedo = { k = 70, luck_cap = 60 },
−
local typ = map_types[frame.args["type"]] or "dd"
+
mixed = { k = 70, luck_cap = 70 },
−
local note = frame.args["note"]
+
main = { k = 50, luck_cap = 55 },
 +
}
  
−
local name, suffix = Ship:process_ship_key(ship_key)
+
function nb_ci_rate(luck, modifier)
−
local ship_table = Ship:get_table(name, suffix)
+
if luck <= modifier.luck_cap then
 +
return math.floor(math.sqrt(modifier.k * luck))
 +
else
 +
return math.floor(math.sqrt(modifier.k * modifier.luck_cap))
 +
end
 +
end
  
−
if rank and name and ship_table and ship_table._type then
+
function format_luck(luck)
−
    local torp = ship_table._torpedo_max or 0
+
local maruyu_sets = math.floor(60 - luck) / 8
−
local luck_diff = 60 - ship_table._luck
+
local hint = string.format("%s%% base rate, ", nb_ci_rate(luck, nb_ci_types.torpedo))
−
return format{
+
hint = hint .. (
−
table_templates[typ .. "_row"],
+
(maruyu_sets < 0 or luck == 60) and "capped (luck >= 60)"
−
rank = rank,
+
or maruyu_sets == 0 and "few Maruyu to cap (60 luck)"
−
name =
+
or string.format("~%s Maruyu sets (5 Maruyu Kai each) to cap (60 luck)", maruyu_sets))
−
    note and format{'[[${name}|<span title="${note}">${name}</span>]]<sup>?</sup>', name = name, note = note} or
+
if luck >= 60 then
−
    string.format("[[%s]]", name),
+
return Formatting:tooltip(luck, hint, nil, {color = "green"})
−
fp = ship_table._firepower_max,
+
elseif luck >= 50 then
−
torp = torp,
+
return Formatting:tooltip(luck, hint, nil, {color = "yellow"})
−
fp_plus_torp = ship_table._firepower_max + torp,
+
elseif luck >= 40 then
−
db_attack = get_db_attack_string(ship_table._firepower_max, typ),
+
return Formatting:tooltip(luck, hint, nil, {color = "orange"})
−
db_torp = "",
 
−
nb_da = "",
 
−
nb_ci = "",
 
−
luck_minus_cap = luck_diff < 0 and "−" .. -luck_diff or luck_diff,
 
−
nb_ci_rate =
 
−
    cut_in_rate(ship_table._luck, cut_in_types.torpedo) .. "%, " ..
 
−
    cut_in_rate(ship_table._luck, cut_in_types.main) .. "%",
 
−
}
 
 
else
 
else
−
return ""
+
return Formatting:tooltip(luck, hint, nil, {color = "red"})
 
end
 
end
 +
end
 +
 +
local functions = {
 +
_full_name = function(ship) return string.format("%s %s", ship._name, ship._suffix) end,
 +
_link = function(ship) return string.format("[[%s]]", ship._name) end,
 +
_nb = function(ship) return format_nb_damage(nb(ship)) end,
 +
_nb_max = function(ship) return format_nb_damage(nb_max(ship)) end,
 +
_nb_ci = function(ship) return format_nb_damage(nb_ci(ship)) end,
 +
_nb_ci_max = function(ship) return format_nb_damage(nb_ci_max(ship)) end,
 +
_nb_ci_boost = function(ship) return format_nb_ci_boost(nb_ci(ship) - nb(ship)) end,
 +
_nb_ci_boost_max = function(ship) return format_nb_ci_boost(nb_ci_max(ship) - nb_max(ship)) end,
 +
-- override Lua stat
 +
_luck = function(ship) return format_luck(ship._luck) end,
 +
}
  
 +
function format_value(v, ship)
 +
if string.sub(v, 1, 1) == "_" then
 +
local fn = functions[v]
 +
if fn then
 +
return fn(ship)
 +
else
 +
local lua_stat = ship[v]
 +
if lua_stat ~= nil then
 +
return tostring(lua_stat)
 +
else
 +
return "N/A"
 +
end
 +
end
 +
else
 +
return v
 +
end
 
end
 
end
  
−
function Combat.table_cl(frame) return Combat.table_dd(frame) end
+
function Combat.format_values(frame)
−
function Combat.table_cl_row(frame) return Combat.table_dd_row(frame) end
+
 
−
function Combat.table_ca(frame) return Combat.table_dd(frame) end
+
local args = frame.args
−
function Combat.table_ca_row(frame) return Combat.table_dd_row(frame) end
+
local ship_key = args[1]
−
function Combat.table_cav(frame) return Combat.table_dd(frame) end
+
local ship = Ship(ship_key){ _level = 99 }
−
function Combat.table_cav_row(frame) return Combat.table_dd_row(frame) end
+
 
−
function Combat.table_bb(frame) return Combat.table_dd(frame) end
+
if ship and ship._type then
−
function Combat.table_bb_row(frame) return Combat.table_dd_row(frame) end
+
local args_length = #args
−
function Combat.table_bbv(frame) return Combat.table_dd(frame) end
+
if args_length > 2 then
−
function Combat.table_bbv_row(frame) return Combat.table_dd_row(frame) end
+
local result = "|-\n"
 +
for i = 2, args_length do
 +
result = result .. string.format("|%s\n", format_value(args[i], ship))
 +
end
 +
return result
 +
elseif args_length == 2 then
 +
return format_value(args[2], ship)
 +
end
 +
end
 +
 
 +
return "N/A"
  
 +
end
  
 
return Combat
 
return Combat

Latest revision as of 12:40, 12 May 2021

Documentation for this module may be created at Module:Sandbox/Combat/doc 

-- **
-- Damage calculations are based on http://kancollecalc.web.fc2.com/damage_formula.html and WikiWiki combat page.
-- NB CI rate formula is from WikiWiki combat page (also, 検証、仮説スレ18).
-- Evasion rate formula: 検証、仮説スレ 10, 488.
-- Accuracy rate formula: 検証、仮説スレ17, 314, http://kancolle.wikia.com/wiki/Sandbox/Accuracy_Evasion_Tables
-- 

-- * TODO: Switch to Combat2.

local Combat = {}

Combat.modifier = {

	comined_firepower = {
		ctf_first = 0,
		ctf_second = 10,
		stf_first = 10,
		stf_second = -5,
	},

	comined_torpedo = -5,

	night_contact = 5,

	formation = {
		line_ahead = 1.0,
		double_line = 0.8,
		diamond = 0.7,
		echelon = 0.6,
		line_abreast = 0.6,
		combined = {
			line_ahead = 1.1,
			diamond = 0.7,
			double_line = 1.0,
			line_abreast = 0.8,
		},
	},

	engagement = {
		green_t = 1.2,
		parallel = 1.0,
		head_on = 0.8,
		red_t = 0.6,
	},

	health = {
		normal = 1.0,
		chuuha = 0.7,
		taiha = 0.4,
	},

	anti_ground = 2.5,
	wg_bonus = 75,

	cap = {
		day = 150,
		night = 300,
	},

	spotting = {
		cut_in = {
			main_main = 1.5,
			main_ap = 1.3,
			main_radar = 1.2,
			main_second = 1.1,
		},
		double = 1.2,
	},

	night_attack = {
		cut_in = {
			main = 2,
			main_misc = 1.75,
			torpedo = 1.5,
			mixed = 1.3,
		},
		double = 1.2,
		normal = 1,
	},

	critical = 1.5,

	ap = {
		main_ap = 1.08,
		main_ap_radar = 1.1,
		main_second_ap = 1.15,
		main_second_ap_radar = 1.15,
	},

}

function Combat.ammo_modifier(ammo_bars)
	return ammo_bars >= 5 and 1 or ammo_bars / 5
end

-- * Combat object with ship-independent values as fields.
--   Ship and enemy values are passed via arguments.

function Combat:new(is_night_battle)
	local stage = {
		combined_firepower = 0,
		combined_torpedo = 0,
		formation = self.modifier.formation.line_ahead,
		engagement = self.modifier.engagement.parallel,
		night_contact = 0,
		is_night_battle = is_night_battle,
		cap = is_night_battle and self.modifier.cap.night or self.modifier.cap.day,
		contact = 1, -- TODO
		expert = 1, -- TODO
	}
	setmetatable(stage, self)
	self.__index = self
	return stage
end

function Combat:damage_pre_cap(ship)
	return self.engagement * self.formation * ship.health * ship.anti_ground * ship.anti_sub * ship.night_attack * ship.attack_power
end

function Combat:damage_cap(attack_power)
	if attack_power > self.cap then
		attack_power = self.cap + math.sqrt(attack_power - self.cap)
	end
	return math.floor(attack_power)
end

function Combat:damage_post_cap(attack_power, ship, enemy_armor)
	attack_power = ship.spotting * self.contact * math.floor(self.expert * ship.critical * math.floor(ship.ap * attack_power))
	if enemy_armor then
		local min_armor = enemy_armor * 0.7
		local max_armor = enemy_armor * 0.7 + math.max(enemy_armor - 1, 0) * 0.6
		local min = math.floor((attack_power - max_armor) * ship.ammo_modifier)
		local max = math.floor((attack_power - min_armor) * ship.ammo_modifier)
		return { min, max }
	else
		return math.floor(attack_power * ship.ammo_modifier)
	end
end

function Combat:damage(ship, enemy_armor)
	return self:damage_post_cap(self:damage_cap(self:damage_pre_cap(ship)), ship, enemy_armor)
end

function Combat:shelling(ship)
	ship.attack_power = 5 + ship._firepower_max + ship.equipment_bonus.firepower + self.combined_firepower + ship.anti_ground_bonus
	return ship
end

function Combat:torpedo(ship)
	ship.attack_power = 5 + ship._torpedo_max + ship.equipment_bonus.torpedo + self.combined_torpedo
	return ship
end

function Combat:night_battle(ship)
	if ship.health == self.modifier.health.taiha then
		ship.attack_power = 0
	else
		ship.attack_power = self.night_contact + ship._firepower_max + ship._torpedo_max + ship.equipment_bonus.firepower + ship.equipment_bonus.torpedo
	end
	return ship
end

Combat.nb_cut_in_types = {
	torpedo = { k = 70, luck_cap = 60 },
	mixed = { k = 70, luck_cap = 70 },
	main = { k = 50, luck_cap = 55 },
}

function Combat.nb_cut_in_rate(ship, modifier)
	if ship._luck <= modifier.luck_cap then
		return math.floor(math.sqrt(modifier.k * ship._luck))
	else
		return math.floor(math.sqrt(modifier.k * modifier.luck_cap))
	end
end

function Combat.evasion_rate(ship, high_morale)
	local e = ship:evasion_leveled()
	if high_morale then
		return math.floor(100 * 2 * e / (2 * e + 40))
	else
		return math.floor(100 * e / (e + 40))
	end
end

function Combat.accuracy_rate(ship)
	return math.floor(100 * ((math.sqrt(ship._level) - 1) / 45 + ship._luck / 1000))
end

function Combat.air_power(ship)
	local slot1 = math.floor(25 + 10 * math.sqrt(ship._equipment[1].size))
	local slot2 = math.floor(25 + 10 * math.sqrt(ship._equipment[2].size))
	local slot3 = math.floor(25 + 10 * math.sqrt(ship._equipment[3].size))
	local slot4 = ship._equipment[4] and math.floor(25 + 10 * math.sqrt(ship._equipment[4].size)) or 0
	return {
		slot_all = slot1 + slot2 + slot3 + slot4,
		slot1 = slot1,
		slot2 = slot2,
		slot3 = slot3,
		slot4 = slot4,
	}
end

-- * Ship object with extra fields related to combat.

function Combat.ship(ship, equip, night_attack, spotting)

	local ship = {
		_firepower_max = ship._firepower_max or 0,
		_torpedo_max = ship._torpedo_max or 0,
		_luck = ship._luck or 0,
		equipment = equip or {},
		equipment_bonus = { firepower = 0, torpedo = 0 },
		health = ship.health or Combat.modifier.health.normal,
		anti_ground = ship.anti_ground and Combat.modifier.anti_ground or 1,
		anti_ground_bonus = ship.wg and Combat.modifier.wg_bonus or 0,
		anti_sub = ship.anti_sub or 1,
		night_attack = night_attack or 1,
		night_attack_x2 = night_attack == Combat.modifier.night_attack.cut_in.torpedo or
						  night_attack == Combat.modifier.night_attack.cut_in.mixed,
		spotting = spotting or 1,
		critical = ship.critical or 1,
		ap = ship.ap or 1,
		ammo_modifier = ship.ammo_modifier or 1,
	}

	for _, eq in pairs(ship.equipment) do
		if eq.firepower then
			ship.equipment_bonus.firepower = ship.equipment_bonus.firepower + eq.firepower + (eq.k and eq.rank and eq.k * math.sqrt(eq.rank) or 0)
		end
		if eq.torpedo then
			ship.equipment_bonus.torpedo = ship.equipment_bonus.torpedo + eq.torpedo + (eq.k and eq.rank and eq.k * math.sqrt(eq.rank) or 0)
		end
	end
	ship.equipment_bonus.firepower = math.floor(ship.equipment_bonus.firepower)
	ship.equipment_bonus.torpedo = math.floor(ship.equipment_bonus.torpedo)

	return ship

end

-- * Using Module:ShipCapabilities.

local BaseData = require("Module:BaseData")
local ShipCapabilities = require("Module:ShipCapabilities")

local Combat2 = BaseData{

	fleet = {
		single = {
			line_ahead   = { shelling = 1.0, salvo = 1.0, asw = 0.6, firepower = 0, torpedo = 0, },
			double_line  = { shelling = 0.8, salvo = 0.8, asw = 0.8, firepower = 0, torpedo = 0, },
			diamond      = { shelling = 0.7, salvo = 0.7, asw = 1.2, firepower = 0, torpedo = 0, },
			echelon      = { shelling = 0.6, salvo = 0.6, asw = 1.0, firepower = 0, torpedo = 0, },
			line_abreast = { shelling = 0.6, salvo = 0.6, asw = 1.3, firepower = 0, torpedo = 0, },
		},
		ctf_main = {
			line_abreast = { shelling = 0.8, salvo = nil, asw = 1.0, firepower = 0, torpedo = nil, },
			double_line  = { shelling = 1.0, salvo = nil, asw = 0.8, firepower = 0, torpedo = nil, },
			diamond      = { shelling = 0.7, salvo = nil, asw = 0.75, firepower = 0, torpedo = nil, },
			line_ahead   = { shelling = 1.1, salvo = nil, asw = 0.5, firepower = 0, torpedo = nil, },
		},
		ctf_escort = {
			line_abreast = { shelling = 0.8, salvo = 0.7, asw = 1.0, firepower = 10, torpedo = -5, },
			double_line  = { shelling = 1.0, salvo = 0.9, asw = 0.8, firepower = 10, torpedo = -5, },
			diamond      = { shelling = 0.7, salvo = 0.6, asw = 0.75, firepower = 10, torpedo = -5, },
			line_ahead   = { shelling = 1.1, salvo = 1.0, asw = 0.5, firepower = 10, torpedo = -5, },
		},
		stf_main = {
			line_abreast = { shelling = 0.8, salvo = nil, asw = 1.0, firepower = 10, torpedo = nil, },
			double_line  = { shelling = 1.0, salvo = nil, asw = 0.8, firepower = 10, torpedo = nil, },
			diamond      = { shelling = 0.7, salvo = nil, asw = 0.75, firepower = 10, torpedo = nil, },
			line_ahead   = { shelling = 1.1, salvo = nil, asw = 0.5, firepower = 10, torpedo = nil, },
		},
		stf_escort = {
			line_abreast = { shelling = 0.8, salvo = 0.7, asw = 1.0, firepower = -5, torpedo = -5, },
			double_line  = { shelling = 1.0, salvo = 0.9, asw = 0.8, firepower = -5, torpedo = -5, },
			diamond      = { shelling = 0.7, salvo = 0.6, asw = 0.75, firepower = -5, torpedo = -5, },
			line_ahead   = { shelling = 1.1, salvo = 1.0, asw = 0.5, firepower = -5, torpedo = -5, },
		},
	},

	engagement = {
		green_t = 1.2,
		parallel = 1.0,
		head_on = 0.8,
		red_t = 0.6,
	},

	health = {
		normal = 1.0,
		chuuha = 0.7,
		taiha = 0.4,
	},

	-- handled by ShipCapabilities
	--night_attack = {
	--	cut_in = {
	--		main = 2,
	--		main_misc = 1.75,
	--		torpedo = 1.5,
	--		mixed = 1.3,
	--	},
	--	double = 1.2,
	--	normal = 1,
	--},

	-- TODO: also use ShipCapabilities?
	spotting = {
		cut_in = {
			main_main = 1.5,
			main_ap = 1.3,
			main_radar = 1.2,
			main_second = 1.1,
		},
		double = 1.2,
	},

	ap = {
		main_ap = 1.08,
		main_ap_radar = 1.1,
		main_second_ap = 1.15,
		main_second_ap_radar = 1.15,
	},

	contact = {
		[0] = 1.12,
		[1] = 1.12,
		[2] = 1.17,
		[3] = 1.20,
	},

	cap = {
		day = 150,
		night = 300,
		asw = 100,
	},

	day_battle = 1,
	opening_torpedo = 2,
	closing_torpedo = 3,
	night_battle = 4,
	asw = 5,
	opening_airstrike = 6,
	day_battle = 7,

}

function Combat2:create(stage)
	local this = {}
	this.stage = stage or {
		fleet = Combat2.fleet.single.line_ahead,
		engagement = Combat2.engagement.parallel,
	}
	setmetatable(this, this)
	this.__index = self
	return this
end

function Combat2:_get_ammo_modifier(ammo_bars)
	return ammo_bars >= 5 and 1 or ammo_bars / 5
end

function Combat2:damage(type, ship, enemy, critical)

	ship = ShipCapabilities{ ship = ship }

	local vs_installation = enemy and enemy:is_installation()

	local fleet = self.stage.fleet
	local formation = fleet.shelling
	local engagement = self.stage.engagement

	local health = ship._health or Combat2.health.normal

	local cap = Combat2.cap.day
	local spotting = 1
	local ap = 1
	local contact = 1
	local expert = 1
	local attack_power = 0

	if type == Combat2.day_battle then
		spotting = ship._spotting or 1
		ap = ship._ap or 1
		expert = 1 + ((ship._expert_n or 0) + (ship._expert_first and 1 or 0)) / 10
		_, attack_power = ship:day_battle(vs_installation, fleet.firepower)
	elseif type == Combat2.closing_torpedo or type == Combat2.opening_torpedo then
		if not fleet.torpedo then
			return false
		end
		formation = fleet.salvo
		attack_power = Combat2.closing_torpedo and ship:closing_torpedo(fleet.torpedo) or Combat2.opening_torpedo and ship:opening_torpedo(fleet.torpedo)
	elseif type == Combat2.asw then
		formation = fleet.asw
		cap = Combat2.cap.asw
		attack_power = ship:asw_attack()
	elseif type == Combat2.night_battle then
		if health == Combat2.health.taiha then
			return false
		end
		formation = 1
		engagement = 1
		cap = Combat2.cap.night
		_, attack_power = ship:night_battle(vs_installation, self.stage.night_contact)
	elseif type == Combat2.opening_airstrike then
		expert = 1 + ((ship._expert_n or 0) + (ship._expert_first and 1 or 0)) / 10
		contact = self.stage.contact and Combat2.contact[self.stage.contact] or 1
		attack_power = ship:opening_airstrike()
	end

	if not attack_power then
		return false
	end

	attack_power = engagement * formation * health * attack_power

	if attack_power > cap then
		attack_power = cap + math.sqrt(attack_power - cap)
	end
	attack_power = math.floor(attack_power)

	expert = critical and expert or 1
	local critical = critical and 1.5 or 1

	attack_power = spotting * contact * math.floor(expert * critical * math.floor(ap * attack_power))

	local ammo_modifier = ship._ammo_bars and self:_get_ammo_modifier(ship._ammo_bars) or 1

	if enemy and enemy._armor then
		local armor = enemy._armor
		local min_armor = armor * 0.7
		local max_armor = armor * 0.7 + math.max(armor - 1, 0) * 0.6
		local min = math.floor((attack_power - max_armor) * ammo_modifier)
		local max = math.floor((attack_power - min_armor) * ammo_modifier)
		return { min = math.max(0, min), max = math.max(0, max) }
	else
		return math.floor(attack_power * ammo_modifier)
	end

end

Combat.Combat2 = Combat2

-- * Template interface.

local Formatting = require("Module:Formatting")
local Ship = require("Module:Ship")
local ShipCapabilities = require("Module:ShipCapabilities")
local Equipment = require("Module:Equipment")

local setups = {
	DD = {
		"10cm Twin High-angle Gun Mount + Anti-Aircraft Fire Director",
		"10cm Twin High-angle Gun Mount + Anti-Aircraft Fire Director",
	},
	DD_CI = {
		"61cm Quintuple (Oxygen) Torpedo Mount",
		"61cm Quintuple (Oxygen) Torpedo Mount",
		"61cm Quintuple (Oxygen) Torpedo Mount",
	},
}

function init_setup(ship, ci, improved)
	local setup = setups[Formatting:format_ship_code(ship._type) .. (ci and "_CI" or "")] or setups[ship._name .. (ci and "_CI" or "")] or {}
	ship._equipment = {}
	for i = 1, #setup do
		ship._equipment[i] = { equipment = Equipment(setup[i]){ _level = improved and 10 or 0 } }
	end
end

function nb(ship)
	init_setup(ship)
	return Combat2():damage(Combat2.night_battle, ship)
end

function nb_max(ship)
	init_setup(ship, false, true)
	return Combat2():damage(Combat2.night_battle, ship)
end

function nb_ci(ship)
	init_setup(ship, true)
	return Combat2():damage(Combat2.night_battle, ship)
end

function nb_ci_max(ship)
	init_setup(ship, true, true)
	return Combat2():damage(Combat2.night_battle, ship)
end

function format_nb_damage(damage)
	return damage >= Combat2.cap.night and string.format('<span style="color:green;">%s</span>', damage) or tostring(damage)
end

function format_nb_ci_boost(boost)
	if boost >= 90 then
		return string.format('<span style="color:green;">%s</span>', boost)
	elseif boost >= 70 then
		return string.format('<span style="color:yellow;">%s</span>', boost)
	elseif boost >= 50 then
		return string.format('<span style="color:orange;">%s</span>', boost)
	else
		return string.format('<span style="color:red;">%s</span>', boost)
	end
end

local nb_ci_types = {
	torpedo = { k = 70, luck_cap = 60 },
	mixed = { k = 70, luck_cap = 70 },
	main = { k = 50, luck_cap = 55 },
}

function nb_ci_rate(luck, modifier)
	if luck <= modifier.luck_cap then
		return math.floor(math.sqrt(modifier.k * luck))
	else
		return math.floor(math.sqrt(modifier.k * modifier.luck_cap))
	end
end

function format_luck(luck)
	local maruyu_sets = math.floor(60 - luck) / 8
	local hint = string.format("%s%% base rate, ", nb_ci_rate(luck, nb_ci_types.torpedo))
	hint = hint .. (
		(maruyu_sets < 0 or luck == 60) and "capped (luck >= 60)"
		or maruyu_sets == 0 and "few Maruyu to cap (60 luck)"
		or string.format("~%s Maruyu sets (5 Maruyu Kai each) to cap (60 luck)", maruyu_sets))
	if luck >= 60 then
		return Formatting:tooltip(luck, hint, nil, {color = "green"})
	elseif luck >= 50 then
		return Formatting:tooltip(luck, hint, nil, {color = "yellow"})
	elseif luck >= 40 then
		return Formatting:tooltip(luck, hint, nil, {color = "orange"})
	else
		return Formatting:tooltip(luck, hint, nil, {color = "red"})
	end
end

local functions = {
	_full_name = function(ship) return string.format("%s %s", ship._name, ship._suffix) end,
	_link = function(ship) return string.format("[[%s]]", ship._name) end,
	_nb = function(ship) return format_nb_damage(nb(ship)) end,
	_nb_max = function(ship) return format_nb_damage(nb_max(ship)) end,
	_nb_ci = function(ship) return format_nb_damage(nb_ci(ship)) end,
	_nb_ci_max = function(ship) return format_nb_damage(nb_ci_max(ship)) end,
	_nb_ci_boost = function(ship) return format_nb_ci_boost(nb_ci(ship) - nb(ship)) end,
	_nb_ci_boost_max = function(ship) return format_nb_ci_boost(nb_ci_max(ship) - nb_max(ship)) end,
	-- override Lua stat
	_luck = function(ship) return format_luck(ship._luck) end,
}

function format_value(v, ship)
	if string.sub(v, 1, 1) == "_" then
		local fn = functions[v]
		if fn then
			return fn(ship)
		else
			local lua_stat = ship[v]
			if lua_stat ~= nil then
				return tostring(lua_stat)
			else
				return "N/A"
			end
		end
	else
		return v
	end
end

function Combat.format_values(frame)

	local args = frame.args
	local ship_key = args[1]
	local ship = Ship(ship_key){ _level = 99 }

	if ship and ship._type then
		local args_length = #args
		if args_length > 2 then
			local result = "|-\n"
			for i = 2, args_length do
				result = result .. string.format("|%s\n", format_value(args[i], ship))
			end
			return result			
		elseif args_length == 2 then
			return format_value(args[2], ship)
		end
	end

	return "N/A"

end

return Combat
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