2 // SeikuCalclator.swift
5 // Created by Hori,Masaki on 2017/08/20.
6 // Copyright © 2017年 Hori,Masaki. All rights reserved.
11 private let seikuEffectiveTypes = [6, 7, 8, 11, 45, 56, 57, 58]
13 private let fighterTypes = [ 6]
14 private let bomberTypes = [ 7]
15 private let attackerTypes = [ 8]
16 private let floatplaneBomberTypes = [11]
17 private let floatplaneFighterTypes = [45]
18 private let jetFighter = [56]
19 private let jetBomberTypes = [57]
20 private let jetAttackerTypes = [58]
22 // swiftlint:disable comma
23 private let fighterBonus: [Double] = [0, 0, 2, 5, 9, 14, 14, 22]
24 private let bomberBonus: [Double] = [0, 0, 0, 0, 0, 0, 0, 0]
25 private let attackerBonus: [Double] = [0, 0, 0, 0, 0, 0, 0, 0]
26 private let floatplaneBomberBonus: [Double] = [0, 0, 1, 1, 1, 3, 3, 6]
27 private let floatplaneFighterBonus: [Double] = [0, 0, 2, 5, 9, 14, 14, 22]
28 private let jetBomberBonus: [Double] = [0, 0, 0, 0, 0, 0, 0, 0]
29 // swiftlint:enable comma
31 // sqrt 0, 1, 2.5, 4, 5.5, 7, 8.5, 10
32 private let bonus: [Double] = [0, 1.000, 1.581, 2.000, 2.345, 2.645, 2.915, 3.162]
35 final class SeikuCalclator {
46 let guardEscaped = TemporaryDataStore.default.ensuredGuardEscaped(byShipId: ship.id)
47 guard guardEscaped == nil else { return 0 }
49 return (0...4).map(normalSeiku).map { Int($0) }.reduce(0, +)
54 let guardEscaped = TemporaryDataStore.default.ensuredGuardEscaped(byShipId: ship.id)
55 guard guardEscaped == nil else { return 0 }
57 return (0...4).map(seiku).reduce(0, +)
61 private func slotItem(_ index: Int) -> SlotItem? {
63 return ServerDataStore.default.slotItem(by: ship.slotItemId(index))
66 private func typeBonus(_ type: Int) -> [Double]? {
69 case let t where fighterTypes.contains(t): return fighterBonus
70 case let t where bomberTypes.contains(t): return bomberBonus
71 case let t where attackerTypes.contains(t): return attackerBonus
72 case let t where floatplaneBomberTypes.contains(t): return floatplaneBomberBonus
73 case let t where floatplaneFighterTypes.contains(t): return floatplaneFighterBonus
74 case let t where jetBomberTypes.contains(t): return jetBomberBonus
79 private func normalSeiku(_ index: Int) -> Double {
81 let itemCount = ship.slotItemCount(index)
83 if itemCount == 0 { return 0 }
85 guard let item = slotItem(index) else { return 0 }
87 let type2 = item.master_slotItem.type_2
89 guard seikuEffectiveTypes.contains(type2) else { return 0 }
91 let taiku = Double(item.master_slotItem.tyku)
92 let lv = Double(item.level)
93 let rate = bomberTypes.contains(type2) ? 0.25 : 0.2
95 return (taiku + lv * rate) * sqrt(Double(itemCount))
99 private func extraSeiku(_ index: Int) -> Double {
101 let itemCount = ship.slotItemCount(index)
103 if itemCount == 0 { return 0 }
105 guard let item = slotItem(index) else { return 0 }
107 let type2 = item.master_slotItem.type_2
109 guard let typeBonus = typeBonus(type2) else { return 0 }
111 let airLevel = item.alv
113 return typeBonus[airLevel] + bonus[airLevel]
116 private func seiku(_ index: Int) -> Int {
118 return Int(normalSeiku(index) + extraSeiku(index))