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simulator.es
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simulator.es
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export class Stage {
constructor(opts) {
this.type = opts.type // StageType
this.subtype = opts.subtype
this.attacks = opts.attacks // [Attack, ...]
this.aerial = opts.aerial // AerialInfo
this.engagement = opts.engagement // EngagementInfo
this.kouku = opts.kouku // Raw API data `api_kouku` (Deprecated)
}
}
export const StageType = {
// Primary Type
Aerial : "Aerial", // Aerial Combat
Torpedo : "Torpedo", // Torpedo Salvo
Shelling : "Shelling", // Shelling
Support : "Support", // Support Fleet (Expedition)
LandBase : "LandBase", // Land Base Aerial Support
Engagement: "Engagement", // [SP] Engagement Information
// Sub Type
Main : "Main", // Shelling, main fleet
Escort : "Escort", // Shelling, escort fleet
Night : "Night", // Shelling, night combat
Opening: "Opening", // Torpedo, opening torpedo salvo
// Shelling, opening anti-sub
Assault: "Assault", // Aerial & LandBase, Jet Air Assault
}
export class Attack {
constructor(opts) {
this.type = opts.type // AttackType
this.fromShip = opts.fromShip // Ship
this.toShip = opts.toShip // Ship
this.damage = opts.damage // [int, ...]
this.hit = opts.hit // [HitType, ...]
this.fromHP = opts.fromHP // HP before attack.
this.toHP = opts.toHP // HP after attack.
this.useItem = opts.useItem // int, $slotitem[] OR null
}
}
export const AttackType = {
Normal: "Normal", // 通常攻撃
Laser : "Laser", // レーザー攻撃
Double: "Double", // 連撃
Nelson_Touch: "Nelson", // ネルソンタッチ
Nagato_Punch: "Nagato", // 一斉射かッ…胸が熱いな！
Mutsu_Splash: "Mutsu", // 長門、いい？ いくわよ！ 主砲一斉射ッ！
Colorado_Fire: "Colorado", // Colorado戦隊、全力斉射！各個目標に砲撃開始！一気に殲滅する、Fire!!
Kongo_Class_Kaini_C_Charge: "Kongo_Class_Kaini_C",
Yamato_Attack_Double: "Yamato_Double",
Yamato_Attack_Triple: "Yamato_Triple",
Submarine_Special_Attack_2_3: "Submarine_Special_Attack_2_3",
Submarine_Special_Attack_3_4: "Submarine_Special_Attack_3_4",
Submarine_Special_Attack_2_4: "Submarine_Special_Attack_2_4",
Zuiun_Night_Attack: "Zuiyun_Night_Attack",
Type_4_LC_Special_Attack: "Type_4_LC_Special_Attack",
Carrier_CI: "CVCI", // 空母カットイン
Primary_Secondary_CI: "PSCI", // カットイン(主砲/副砲)
Primary_Radar_CI : "PRCI", // カットイン(主砲/電探)
Primary_AP_CI : "PACI", // カットイン(主砲/徹甲)
Primary_Primary_CI : "PrCI", // カットイン(主砲/主砲)
Primary_Torpedo_CI : "PTCI", // カットイン(主砲/魚雷)
Torpedo_Torpedo_CI : "TTCI", // カットイン(魚雷/魚雷)
}
export const MultiTargetAttackType = new Set([
AttackType.Nelson_Touch,
AttackType.Nagato_Punch,
AttackType.Mutsu_Splash,
AttackType.Colorado_Fire,
AttackType.Kongo_Class_Kaini_C_Charge,
AttackType.Yamato_Attack_Double,
AttackType.Yamato_Attack_Triple,
AttackType.Submarine_Special_Attack_2_3,
AttackType.Submarine_Special_Attack_3_4,
AttackType.Submarine_Special_Attack_2_4,
AttackType.Zuiun_Night_Attack,
AttackType.Laser,
AttackType.Type_4_LC_Special_Attack,
])
export const MultiTargetAttackOrder = {
[AttackType.Nelson_Touch]: [0, 2, 4],
[AttackType.Nagato_Punch]: [0, 0, 1],
[AttackType.Mutsu_Splash]: [0, 0, 1],
[AttackType.Colorado_Fire]: [0, 1, 2],
[AttackType.Kongo_Class_Kaini_C_Charge]: [0, 1],
[AttackType.Yamato_Attack_Double]: [0, 0, 1],
[AttackType.Yamato_Attack_Triple]: [0, 1, 2],
[AttackType.Submarine_Special_Attack_2_3]: [1, 1, 2, 2],
[AttackType.Submarine_Special_Attack_3_4]: [2, 2, 3, 3],
[AttackType.Submarine_Special_Attack_2_4]: [1, 1, 3, 3],
[AttackType.Zuiun_Night_Attack]: [0, 0],
[AttackType.Laser]: [0, 0, 0],
[AttackType.Type_4_LC_Special_Attack]: [0, 0, 0, 0, 0, 0],
}
export const HitType = {
Miss : 0,
Hit : 1,
Critical: 2,
}
export class Ship {
constructor(opts) {
this.id = opts.id // int, $ships
this.owner = opts.owner // ShipOwner
this.pos = opts.pos // int, Position in fleet
this.maxHP = opts.maxHP
this.nowHP = opts.nowHP
this.initHP = opts.nowHP
this.lostHP = opts.lostHP || 0
this.damage = opts.damage || 0 // Damage from this to others
this.items = opts.items
this.useItem = opts.useItem || null
this.baseParam = opts.baseParam
this.finalParam = opts.finalParam
// parameter = [FRP, TORP, AA, AMOR]
// if !usePoiAPI, baseParam and finalParam are undefined
this.raw = opts.raw
}
}
export const ShipOwner = {
Ours : "Ours",
Enemy: "Enemy",
Friend: "Friend",
}
export class AerialInfo {
constructor(opts) {
this.fPlaneInit = opts.fPlaneInit // Init plane count of entire aerial combat (Ours)
this.fPlaneNow = opts.fPlaneNow // Now plane count of entire aerial combat (Ours)
this.ePlaneInit = opts.ePlaneInit // ^^ (Enemy)
this.ePlaneNow = opts.ePlaneNow // ^^ (Enemy)
// Stage 1
this.control = opts.control // AirControl
this.fContact = opts.fContact // api_kouku.api_stage1.api_touch_plane[0]
this.eContact = opts.eContact // api_kouku.api_stage1.api_touch_plane[1]
this.fPlaneInit1 = opts.fPlaneInit1 // Init plane count of stage 1
this.fPlaneNow1 = opts.fPlaneNow1 // Now plane count of stage 1
this.ePlaneInit1 = opts.ePlaneInit1 // ^^
this.ePlaneNow1 = opts.ePlaneNow1 // ^^
// Stage 2
this.aaciKind = opts.aaciKind // api_kouku.api_stage2.api_air_fire.api_kind
this.aaciShip = opts.aaciShip // api_kouku.api_stage2.api_air_fire.api_idx => Ship
this.aaciItems = opts.aaciItems // api_kouku.api_stage2.api_air_fire.api_use_items
this.fPlaneInit2 = opts.fPlaneInit2 // Init plane count of stage 2
this.fPlaneNow2 = opts.fPlaneNow2 // Now plane count of stage 2
this.ePlaneInit2 = opts.ePlaneInit2 // ^^
this.ePlaneNow2 = opts.ePlaneNow2 // ^^
}
}
export const AirControl = {
Supremacy : "Air Supremacy",
Superiority : "Air Superiority",
Parity : "Air Parity",
Denial : "Air Denial",
Incapability: "Air Incapability",
}
export class EngagementInfo {
constructor(opts) {
this.engagement = opts.engagement // api_formation[2] => Engagement
this.fFormation = opts.fFormation // api_formation[0] => Formation
this.eFormation = opts.eFormation // api_formation[1] => Formation
this.fDetection = opts.fDetection // api_search[0] => Detection
this.eDetection = opts.eDetection // api_search[1] => Detection
// Night Combat
this.fContact = opts.fContact // api_touch_plane[0]
this.eContact = opts.eContact // api_touch_plane[1]
this.fFlare = opts.fFlare // api_flare_pos[0] => Ship
this.eFlare = opts.eFlare // api_flare_pos[1] => Ship
// Weaken Mechanism (Event Map)
this.weakened = this.weakened // api_boss_damaged, api_xal01, ...
this.smokeType = this.smokeType // api_smoke_type
}
}
export const Engagement = {
Parallel : "Parallel Engagement",
Headon : "Head-on Engagement",
TAdvantage : "Crossing the T (Advantage)",
TDisadvantage: "Crossing the T (Disadvantage)",
}
export const Formation = {
Ahead : "Line Ahead",
Double : "Double Line",
Diamond: "Diamond",
Echelon: "Echelon",
Abreast: "Line Abreast",
Vanguard: "Vanguard",
CruisingAntiSub: "Cruising Formation 1 (anti-sub)",
CruisingForward: "Cruising Formation 2 (forward)",
CruisingDiamond: "Cruising Formation 3 (diamond)",
CruisingBattle : "Cruising Formation 4 (battle)",
}
export const Detection = {
Success : "Success",
Failure : "Failure",
SuccessNR: "Success (not return)",
FailureNR: "Failure (not return)",
SuccessNP: "Success (without plane)",
FailureNP: "Failure (without plane)",
}
export class Result {
constructor(opts) {
this.rank = opts.rank // 'A', 'B'...
this.mvp = opts.mvp // [0..5, 0..5], MVP index of mainFleet & escortFleet.
this.getShip = opts.getShip // id of store.const.$
this.getItem = opts.getItem // ^^
}
}
export const Rank = {
SS: 'SS',
S : 'S',
A : 'A',
B : 'B',
C : 'C',
D : 'D',
E : 'E',
}
/**
* NOTICE
* Constants below are considered non-public API.
**/
// api_hougeki.api_at_type[] => ~
export const DayAttackTypeMap = {
0: AttackType.Normal,
1: AttackType.Laser,
2: AttackType.Double,
3: AttackType.Primary_Secondary_CI,
4: AttackType.Primary_Radar_CI,
5: AttackType.Primary_AP_CI,
6: AttackType.Primary_Primary_CI,
7: AttackType.Carrier_CI,
100: AttackType.Nelson_Touch,
101: AttackType.Nagato_Punch,
102: AttackType.Mutsu_Splash,
103: AttackType.Colorado_Fire,
300: AttackType.Submarine_Special_Attack_2_3,
301: AttackType.Submarine_Special_Attack_3_4,
302: AttackType.Submarine_Special_Attack_2_4,
400: AttackType.Yamato_Attack_Triple,
401: AttackType.Yamato_Attack_Double,
1000: AttackType.Type_4_LC_Special_Attack,
}
// api_hougeki.api_sp_list => ~
export const NightAttackTypeMap = {
0: AttackType.Normal,
1: AttackType.Double,
2: AttackType.Primary_Torpedo_CI,
3: AttackType.Torpedo_Torpedo_CI,
4: AttackType.Primary_Secondary_CI,
5: AttackType.Primary_Primary_CI,
100: AttackType.Nelson_Touch,
101: AttackType.Nagato_Punch,
102: AttackType.Mutsu_Splash,
103: AttackType.Colorado_Fire,
104: AttackType.Kongo_Class_Kaini_C_Charge,
200: AttackType.Zuiun_Night_Attack,
300: AttackType.Submarine_Special_Attack_2_3,
301: AttackType.Submarine_Special_Attack_3_4,
302: AttackType.Submarine_Special_Attack_2_4,
400: AttackType.Yamato_Attack_Triple,
401: AttackType.Yamato_Attack_Double,
1000: AttackType.Type_4_LC_Special_Attack,
}
// api_stage1.api_disp_seiku => ~
export const AirControlMap = {
0: AirControl.Parity,
1: AirControl.Supremacy,
2: AirControl.Superiority,
3: AirControl.Denial,
4: AirControl.Incapability,
}
// api_search[] => ~
export const DetectionMap = {
1: Detection.Success,
2: Detection.SuccessNR,
3: Detection.FailureNR,
4: Detection.Failure,
5: Detection.SuccessNP,
6: Detection.FailureNP,
}
// api_formation[0,1] => ~
export const FormationMap = {
1: Formation.Ahead,
2: Formation.Double,
3: Formation.Diamond,
4: Formation.Echelon,
5: Formation.Abreast,
6: Formation.Vanguard,
11: Formation.CruisingAntiSub,
12: Formation.CruisingForward,
13: Formation.CruisingDiamond,
14: Formation.CruisingBattle,
}
// api_formation[2] => ~
export const EngagementMap = {
1: Engagement.Parallel,
2: Engagement.Headon,
3: Engagement.TAdvantage,
4: Engagement.TDisadvantage,
}
// api_support_flag => ~
export const SupportTypeMap = {
1: StageType.Aerial,
2: StageType.Shelling,
3: StageType.Torpedo,
}
// api_win_rank => ~
export const BattleRankMap = {
'SS': Rank.SS,
'S': Rank.S,
'A': Rank.A,
'B': Rank.B,
'C': Rank.C,
'D': Rank.D,
'E': Rank.E,
}
const HalfSunkNumber = [ // 7~12 is guessed.
0, 1, 1, 2, 2, 3, 4, 4, 5, 6, 7, 7, 8,
]
function useItem(ship) {
if (ship.owner === ShipOwner.Ours && ship.nowHP <= 0 && ship.items != null)
for (const itemId of ship.items) {
// 応急修理要員
if (itemId === 42) {
ship.nowHP = Math.floor(ship.maxHP / 5)
return itemId
}
// 応急修理女神
if (itemId === 43) {
ship.nowHP = ship.maxHP
return itemId
}
}
return null
}
function damageShip(fromShip, toShip, damage) {
if (fromShip != null) {
fromShip.damage += damage
}
let fromHP = toShip.nowHP
toShip.nowHP -= damage
toShip.lostHP += damage
let item = useItem(toShip)
if (item) {
toShip.useItem = item
}
let toHP = toShip.nowHP
// `toShip.*` is updated in place
return {fromHP, toHP, item}
}
function preventNullObject(o) {
// Prevent returning Object with all properties null.
let isNull = true
for (const k of Object.keys(o)) {
isNull = isNull && o[k] == null
}
return isNull ? null : o
}
function generateAerialInfo(kouku, mainFleet, escortFleet) {
if (!(kouku != null))
return
const stage1 = kouku.api_stage1
const stage2 = kouku.api_stage2
const o = new AerialInfo({})
let fPlaneLost = 0, ePlaneLost = 0
// Stage 1
if (stage1 != null) {
const contact = stage1.api_touch_plane || [-1, -1]
o.control = AirControlMap[stage1.api_disp_seiku]
o.fContact = contact[0] > 0 ? contact[0] : null
o.eContact = contact[1] > 0 ? contact[1] : null
o.fPlaneInit1 = stage1.api_f_count
o.fPlaneNow1 = stage1.api_f_count - stage1.api_f_lostcount
o.ePlaneInit1 = stage1.api_e_count
o.ePlaneNow1 = stage1.api_e_count - stage1.api_e_lostcount
fPlaneLost += stage1.api_f_lostcount
ePlaneLost += stage1.api_e_lostcount
}
// Stage 2
if (stage2 != null) {
const airfire = kouku.api_stage2.api_air_fire
if (airfire != null) {
let ship = null, idx = airfire.api_idx
const mainFleetRange = mainFleet.length
if (0 <= idx && idx <= mainFleetRange) ship = mainFleet[idx]
if (mainFleetRange <= idx) ship = escortFleet[idx - mainFleetRange]
o.aaciKind = airfire.api_kind
o.aaciShip = ship
o.aaciItems = airfire.api_use_items
}
o.fPlaneInit2 = stage2.api_f_count
o.fPlaneNow2 = stage2.api_f_count - stage2.api_f_lostcount
o.ePlaneInit2 = stage2.api_e_count
o.ePlaneNow2 = stage2.api_e_count - stage2.api_e_lostcount
fPlaneLost += stage2.api_f_lostcount
ePlaneLost += stage2.api_e_lostcount
}
// Summary
// We assume stage2 won't exist without stage1
if (stage1 != null) {
o.fPlaneInit = stage1.api_f_count
o.fPlaneNow = stage1.api_f_count - fPlaneLost
o.ePlaneInit = stage1.api_e_count
o.ePlaneNow = stage1.api_e_count - ePlaneLost
}
return preventNullObject(o)
}
function generateEngagementInfo(packet, oursFleet, emenyFleet, opts={}) {
if (!(packet != null))
return
opts = {...{engagement: false, night: false}, ...opts}
const o = new EngagementInfo({})
if (opts.engagement) {
// Battle Engagement
const {api_formation, api_search} = packet
if (api_formation != null) {
o.engagement = EngagementMap[api_formation[2]]
o.fFormation = FormationMap[api_formation[0]]
o.eFormation = FormationMap[api_formation[1]]
}
if (api_search != null) {
o.fDetection = DetectionMap[api_search[0]]
o.eDetection = DetectionMap[api_search[1]]
}
// Weaken mechanism
const {api_boss_damaged, api_xal01} = packet
o.weakened = [api_boss_damaged, api_xal01].find(x => x != null)
// Carry over smoke_type
const {api_smoke_type} = packet
// old records doesn't have this key, unifying to 0.
o.smokeType = api_smoke_type || 0
}
if (opts.night) {
// Night combat
const {api_touch_plane, api_flare_pos} = packet
if (api_touch_plane != null) {
// KANCOLLE BUG: api-touch_plane elements is string
const plane = api_touch_plane.map(x => Number(x))
o.fContact = plane[0] > 0 ? plane[0] : null
o.eContact = plane[1] > 0 ? plane[1] : null
}
if (api_flare_pos != null) {
o.fFlare = oursFleet[api_flare_pos[0]]
o.eFlare = emenyFleet[api_flare_pos[1]]
}
}
return preventNullObject(o)
}
function simulateAerialAttack(fleet, edam, ebak_flag, erai_flag, ecl_flag) {
if (!(fleet != null && edam != null)) {
return []
}
const list = []
for (let [i, damage] of edam.entries()) {
if ((damage < 0) || (ebak_flag[i] <= 0 && erai_flag[i] <= 0))
continue
damage = Math.floor(damage)
let toShip = fleet[i]
let hit = (ecl_flag[i] === 1 ? HitType.Critical : (damage > 0 ? HitType.Hit : HitType.Miss))
let {fromHP, toHP, item} = damageShip(null, toShip, damage)
list.push(new Attack({
type : AttackType.Normal,
toShip : toShip,
damage : [damage],
hit : [hit],
fromHP : fromHP,
toHP : toHP,
useItem : item,
}))
}
return list
}
function simulateAerial(mainFleet, escortFleet, enemyFleet, enemyEscort, kouku, assault=false) {
if (!(kouku != null)) {
return
}
let attacks = []
if (kouku.api_stage3 != null) {
const st3 = kouku.api_stage3
attacks = attacks.concat(simulateAerialAttack(enemyFleet, st3.api_edam, st3.api_ebak_flag, st3.api_erai_flag, st3.api_ecl_flag))
attacks = attacks.concat(simulateAerialAttack(mainFleet, st3.api_fdam, st3.api_fbak_flag, st3.api_frai_flag, st3.api_fcl_flag))
}
if (kouku.api_stage3_combined != null) {
const st3 = kouku.api_stage3_combined
attacks = attacks.concat(simulateAerialAttack(enemyEscort, st3.api_edam, st3.api_ebak_flag, st3.api_erai_flag, st3.api_ecl_flag))
attacks = attacks.concat(simulateAerialAttack(escortFleet, st3.api_fdam, st3.api_fbak_flag, st3.api_frai_flag, st3.api_fcl_flag))
}
let aerial = generateAerialInfo(kouku, mainFleet, escortFleet)
return new Stage({
type : StageType.Aerial,
subtype: assault ? StageType.Assault : null,
attacks: attacks,
aerial : aerial,
kouku : kouku,
})
}
function simulateTorpedoAttack(mainFleet, escortFleet, enemyFleet, enemyEscort, eydam, erai, ecl) {
if (!(enemyFleet != null && eydam != null)) {
return []
}
const list = []
for (let [i, t] of erai.entries()) {
let fromShip, toShip
const mainFleetRange = mainFleet.length
const enemyFleetRange = enemyFleet.length
if (i < 0 || t < 0) continue
if (i < mainFleetRange) fromShip = mainFleet[i]
else fromShip = escortFleet[i - mainFleetRange]
if (t < enemyFleetRange) toShip = enemyFleet[t]
else toShip = enemyEscort[t - enemyFleetRange]
let damage = Math.floor(eydam[i])
let hit = (ecl[i] === 2 ? HitType.Critical : (ecl[i] === 1 ? HitType.Hit : HitType.Miss))
let {fromHP, toHP, item} = damageShip(fromShip, toShip, damage)
list.push(new Attack({
type : AttackType.Normal,
fromShip: fromShip,
toShip : toShip,
damage : [damage],
hit : [hit],
fromHP : fromHP,
toHP : toHP,
useItem : item,
}))
}
return list
}
function simulateOpeningTorpedoAttack(mainFleet, escortFleet, enemyFleet, enemyEscort, eydamList, eraiList, eclList) {
if (!(enemyFleet != null && eydamList != null)) {
return []
}
const list = []
for (let [i, tList] of eraiList.entries()) {
let fromShip, toShip
const mainFleetRange = mainFleet.length
const enemyFleetRange = enemyFleet.length
if (i < 0 || tList == null) continue
if (i < mainFleetRange) fromShip = mainFleet[i]
else fromShip = escortFleet[i - mainFleetRange]
for (let [j, t] of tList.entries()) {
if (t < enemyFleetRange) toShip = enemyFleet[t]
else toShip = enemyEscort[t - enemyFleetRange]
let damage = Math.floor(eydamList[i][j])
let hit = (eclList[i][j] === 2 ? HitType.Critical : (eclList[i][j] === 1 ? HitType.Hit : HitType.Miss))
let {fromHP, toHP, item} = damageShip(fromShip, toShip, damage)
list.push(new Attack({
type : AttackType.Normal,
fromShip: fromShip,
toShip : toShip,
damage : [damage],
hit : [hit],
fromHP : fromHP,
toHP : toHP,
useItem : item,
}))
}
}
return list
}
function simulateTorpedo(mainFleet, escortFleet, enemyFleet, enemyEscort, raigeki, subtype) {
if (!(raigeki != null)) {
return
}
let attacks = []
if (raigeki.api_frai != null)
attacks = attacks.concat(simulateTorpedoAttack(mainFleet, escortFleet, enemyFleet, enemyEscort,
raigeki.api_fydam, raigeki.api_frai, raigeki.api_fcl))
if (raigeki.api_erai != null)
attacks = attacks.concat(simulateTorpedoAttack(enemyFleet, enemyEscort, mainFleet, escortFleet,
raigeki.api_eydam, raigeki.api_erai, raigeki.api_ecl))
return new Stage({
type: StageType.Torpedo,
attacks: attacks,
subtype: subtype,
})
}
function simulateOpeningTorpedo(mainFleet, escortFleet, enemyFleet, enemyEscort, raigeki, subtype) {
if (!(raigeki != null)) {
return
}
if (raigeki.api_frai != null) {
// Backward compatibility
return simulateTorpedo(mainFleet, escortFleet, enemyFleet, enemyEscort, raigeki, subtype)
}
let attacks = []
if (raigeki.api_frai_list_items != null)
attacks = attacks.concat(simulateOpeningTorpedoAttack(mainFleet, escortFleet, enemyFleet, enemyEscort,
raigeki.api_fydam_list_items, raigeki.api_frai_list_items, raigeki.api_fcl_list_items))
if (raigeki.api_erai_list_items != null)
attacks = attacks.concat(simulateOpeningTorpedoAttack(enemyFleet, enemyEscort, mainFleet, escortFleet,
raigeki.api_eydam_list_items, raigeki.api_erai_list_items, raigeki.api_ecl_list_items))
return new Stage({
type: StageType.Torpedo,
attacks: attacks,
subtype: subtype,
})
}
function simulateShelling(mainFleet, escortFleet, enemyFleet, enemyEscort, hougeki, subtype) {
if (!(hougeki != null)) {
return
}
const isNight = (subtype == StageType.Night)
const list = []
const mainFleetRange = mainFleet.length
const enemyFleetRange = enemyFleet.length
for (let [i, attacker] of (hougeki.api_at_list || []).entries()) {
if (attacker === -1) continue
let attackType = isNight ? NightAttackTypeMap[hougeki.api_sp_list[i]] : DayAttackTypeMap[hougeki.api_at_type[i]]
let at = attacker
if (!MultiTargetAttackType.has(attackType)) {
let df, fromEnemy // Declare ahead
df = hougeki.api_df_list[i][0] // Defender
if (hougeki.api_at_eflag != null) {
fromEnemy = hougeki.api_at_eflag[i] === 1
} else {
fromEnemy = df < mainFleetRange
if (at >= mainFleetRange) at -= mainFleetRange
if (df >= mainFleetRange) df -= mainFleetRange
}
let fromShip, toShip
if (fromEnemy) {
fromShip = at < enemyFleetRange ? enemyFleet[at] : enemyEscort[at - enemyFleetRange]
toShip = df < mainFleetRange ? mainFleet[df] : escortFleet[df - mainFleetRange]
} else {
fromShip = at < mainFleetRange ? mainFleet[at] : escortFleet[at - mainFleetRange]
toShip = df < enemyFleetRange ? enemyFleet[df] : enemyEscort[df - enemyFleetRange]
}
let damage = []
let damageTotal = 0
for (let dmg of hougeki.api_damage[i]) {
if (dmg < 0) dmg = 0
dmg = Math.floor(dmg)
damage.push(dmg)
damageTotal += dmg
}
let hit = []
for (const cl of hougeki.api_cl_list[i])
hit.push(cl === 2 ? HitType.Critical : (cl === 1 ? HitType.Hit : HitType.Miss))
let {fromHP, toHP, item} = damageShip(fromShip, toShip, damageTotal)
list.push(new Attack({
type : attackType,
fromShip: fromShip,
toShip : toShip,
damage : damage,
hit : hit,
fromHP : fromHP,
toHP : toHP,
useItem : item,
}))
} else {
const order = MultiTargetAttackOrder[attackType] || []
for (let j = 0; j < hougeki.api_df_list[i].length; j++) {
let df, fromEnemy // Declare ahead
df = hougeki.api_df_list[i][j] // Defender
let at = attacker + (order[j] || 0) // Attacker
// Tanaka bug: in combined night battle the sp attack could have wrong attacker index
if (isNight && escortFleet && escortFleet.length && at < mainFleetRange) {
at += mainFleetRange
}
if (hougeki.api_at_eflag != null) {
fromEnemy = hougeki.api_at_eflag[i] === 1
} else {
fromEnemy = df < mainFleetRange
if (at >= mainFleetRange) at -= mainFleetRange
if (df >= mainFleetRange) df -= mainFleetRange
}
let fromShip, toShip
if (fromEnemy) {
fromShip = at < enemyFleetRange ? enemyFleet[at] : enemyEscort[at - enemyFleetRange]
toShip = df < mainFleetRange ? mainFleet[df] : escortFleet[df - mainFleetRange]
} else {
fromShip = at < mainFleetRange ? mainFleet[at] : escortFleet[at - mainFleetRange]
toShip = df < enemyFleetRange ? enemyFleet[df] : enemyEscort[df - enemyFleetRange]
}
let damage = []
let dmg = hougeki.api_damage[i][j]
if (dmg < 0) dmg = 0
dmg = Math.floor(dmg)
damage.push(dmg)
let hit = []
let cl = hougeki.api_cl_list[i][j]
hit.push(cl === 2 ? HitType.Critical : (cl === 1 ? HitType.Hit : HitType.Miss))
let {fromHP, toHP, item} = damageShip(fromShip, toShip, dmg)
list.push(new Attack({
type : attackType,
fromShip: fromShip,
toShip : toShip,
damage : damage,
hit : hit,
fromHP : fromHP,
toHP : toHP,
useItem : item,
}))
}
}
}
return new Stage({
type: StageType.Shelling,
attacks: list,
subtype: subtype,
})
}
function simulateNight(fleetType, mainFleet, escortFleet, enemyType, enemyFleet, enemyEscort, hougeki, packet) {
const stage = simulateShelling(mainFleet, escortFleet, enemyFleet, enemyEscort, hougeki, StageType.Night)
if (stage) {
let _oursFleet = fleetType === 0 ? mainFleet : escortFleet
let _enemyFleet = enemyType === 0 ? enemyFleet : enemyEscort
if (packet.api_active_deck != null) {
if (packet.api_active_deck[0] === 1) {
_oursFleet = mainFleet
}
if (packet.api_active_deck[0] === 2) {
_oursFleet = escortFleet
}
if (packet.api_active_deck[1] === 1) {
_enemyFleet = enemyFleet
}
if (packet.api_active_deck[1] === 2) {
_enemyFleet = enemyEscort
}
}
stage.engagement = generateEngagementInfo(packet, _oursFleet, _enemyFleet, {night: true})
}
return stage
}
function simulateSupport(enemyFleet, enemyEscort, support, flag) {
if (!(support != null && flag != null)) {
return
}
if (flag === 1 || flag === 4) {
const kouku = support.api_support_airatack
const st3 = kouku.api_stage3
let fleet = [].concat(enemyFleet, enemyEscort || [])
let attacks = simulateAerialAttack(fleet, st3.api_edam, st3.api_ebak_flag, st3.api_erai_flag, st3.api_ecl_flag)
let aerial = generateAerialInfo(kouku, null, null)
return new Stage({
type : StageType.Support,
subtype: SupportTypeMap[flag],
attacks: attacks,
aerial : aerial,
kouku : kouku,
})
}
if (flag === 2 || flag === 3) {
const hourai = support.api_support_hourai
let attacks = []
const enemyFleetRange = enemyFleet.length
for (let [i, damage] of hourai.api_damage.entries()) {
let toShip
if (0 <= i && i < enemyFleetRange)
toShip = enemyFleet[i]
if (enemyFleetRange <= i && enemyEscort) // TANAKA: api_damage.length = 7 with 6 ships
toShip = enemyEscort[i - enemyFleetRange]
if (toShip == null)
continue
damage = Math.floor(damage)
let cl = hourai.api_cl_list[i]
let hit = (cl === 2 ? HitType.Critical : (cl === 1 ? HitType.Hit : HitType.Miss))
// No showing Miss attack on support stage.
if (hit === HitType.Miss)
continue
let {fromHP, toHP, item} = damageShip(null, toShip, damage)
attacks.push(new Attack({
type : AttackType.Normal,
toShip : toShip,
damage : [damage],
hit : [hit],
fromHP : fromHP,
toHP : toHP,
useItem: item,
}))
}
return new Stage({
type: StageType.Support,
subtype: SupportTypeMap[flag],
attacks: attacks,
})
}
}
function simulateLandBase(enemyFleet, enemyEscort, kouku, assault=false) {
let stage = simulateAerial(null, null, enemyFleet, enemyEscort, kouku)
if (stage != null) {
stage.type = StageType.LandBase
stage.subtype = assault ? StageType.Assault : null
}
return stage
}
function simulateBattleRank(mainFleet, escortFleet, enemyFleet, enemyEscort) {
// https://github.com/andanteyk/ElectronicObserver/blob/master/ElectronicObserver/Other/Information/kcmemo.md#%E6%88%A6%E9%97%98%E5%8B%9D%E5%88%A9%E5%88%A4%E5%AE%9A
function calStatus(fleet) {
let shipNum = 0, sunkNum = 0, totalHP = 0, lostHP = 0
let flagshipSunk = false, flagshipCritical = false
for (const ship of fleet) {
if (ship == null) continue
let {initHP, nowHP, maxHP} = ship
if (nowHP < 0) nowHP = 0
shipNum += 1
sunkNum += (nowHP <= 0) ? 1 : 0
totalHP += initHP
lostHP += (initHP - nowHP)
if (ship.pos === 0) {
flagshipSunk = (nowHP <= 0)
flagshipCritical = (nowHP * 4 <= maxHP)
}
}
return {
num: shipNum,
sunk: sunkNum,
rate: Math.floor(lostHP / totalHP * 100),
lostHP, flagshipSunk, flagshipCritical,
}
}
const ours = calStatus([].concat(mainFleet, escortFleet))
const enemy = calStatus([].concat(enemyFleet, enemyEscort))
if (ours.sunk === 0) {
if (enemy.sunk === enemy.num) {
if (ours.lostHP <= 0)
return Rank.SS
else
return Rank.S
}
if (enemy.num > 1 && enemy.sunk >= HalfSunkNumber[enemy.num]) {
return Rank.A
}
}
if (enemy.flagshipSunk && ours.sunk < enemy.sunk) {
return Rank.B
}
if (ours.num === 1 && ours.flagshipCritical) {
return Rank.D
}
if (2 * enemy.rate > 5 * ours.rate) {
return Rank.B
}
if (10 * enemy.rate > 9 * ours.rate) {
return Rank.C
}
if (ours.sunk > 0 && (ours.num - ours.sunk) === 1) {
return Rank.E
}
return Rank.D
}
function simulateAirRaidBattleRank(mainFleet, escortFleet) {
// https://github.com/andanteyk/ElectronicObserver/blob/master/ElectronicObserver/Other/Information/kcmemo.md#%E9%95%B7%E8%B7%9D%E9%9B%A2%E7%A9%BA%E8%A5%B2%E6%88%A6%E3%81%A7%E3%81%AE%E5%8B%9D%E5%88%A9%E5%88%A4%E5%AE%9A
let initHPSum = [].concat(mainFleet, escortFleet || []).reduce((x, s) => x + (s ? s.initHP : 0), 0)
let nowHPSum = [].concat(mainFleet, escortFleet || []).reduce((x, s) => x + (s ? s.nowHP : 0), 0)
let rate = (initHPSum - nowHPSum) / initHPSum * 100
if (rate <= 0) return Rank.SS
if (rate < 10) return Rank.A
if (rate < 20) return Rank.B
if (rate < 50) return Rank.C
if (rate < 80) return Rank.D
// else
return Rank.E
}
function simulateFleetMVP(fleet) {
if (fleet == null) fleet = []
let m = -1, mvp = null
for (const [i, ship] of fleet.entries()) {
if (ship == null)
continue
if (mvp == null || ship.damage > mvp.damage) {
m = i
mvp = ship
}
}
return m
}
function simulateFleetNightMVP(stages) {
// Damage sum: Only escort fleet
let sum = Array(6).fill(0)
for (const stage of stages) {
if (!(stage != null && stage.attacks != null))
continue
if (!(stage.type === StageType.Shelling && stage.subtype === StageType.Night))
continue
for (const attack of stage.attacks) {
const {fromShip: ship, damage} = attack
if (ship == null || ship.owner != ShipOwner.Ours)
continue
const {pos} = ship
if (6 <= pos && pos <= 11)
sum[pos - 7] += damage.reduce((x, y) => x + y, 0)
else
console.warn("Non-escort fleet ship attack in night stage", ship, attack)
}
}
let m = 0 // MVP index
for (const [i, damage] of sum.entries()) {
if (damage > sum[m]) {
m = i
}
}
return m
}
function getEngagementStage(packet) {
// This function is usable for day combat only.
const engagement = generateEngagementInfo(packet, null, null, {engagement: true})
return engagement == null ? null : new Stage({
type: StageType.Engagement,
engagement: engagement,
})
}
class Simulator2 {
constructor(fleet, opts={}) {
// When no using poi API:
// enemyShip.raw == null
this.usePoiAPI = opts.usePoiAPI
this.fleetType = fleet.type || 0
this.mainFleet = this._initFleet(fleet.main, 0)
this.escortFleet = this._initFleet(fleet.escort, 6)
this.supportFleet = this._initFleet(fleet.support)
this.landBaseAirCorps = fleet.LBAC
this.enemyFleet = null // Assign at first packet
this.enemyEscort = null // ^
this.friendFleet = null // NPC Friend fleet support
// Stage
this.stages = []
this._result = null
this._isAirRaid = false
this._isEngaged = false
this._isNightOnlyMVP = false
}
static auto(battle, opts) {
if (battle == null)
return
let s = new Simulator2(battle.fleet, opts)
for (const packet of battle.packet)
s.simulate(packet)
return s
}
_initFleet(rawFleet, intl=0) {
if (!(rawFleet != null)) return
let fleet = []
for (let [i, rawShip] of rawFleet.entries()) {
if (rawShip != null) {
let slots = rawShip.poi_slot.concat(rawShip.poi_slot_ex)
let baseParam, finalParam
if (this.usePoiAPI) {
const kyouka = rawShip.api_kyouka
const $ship = window.$ships[rawShip.api_ship_id]
if (typeof $ship != 'undefined') {
baseParam =[
$ship.api_houg[0] + kyouka[0],
$ship.api_raig[0] + kyouka[1],
$ship.api_tyku[0] + kyouka[2],
$ship.api_souk[0] + kyouka[3],