KancolleSniffer/BattleInfo.cs

   1 // Copyright (C) 2014, 2015 Kazuhiro Fujieda <fujieda@users.osdn.me>\r
   2 // \r
   3 // Licensed under the Apache License, Version 2.0 (the "License");\r
   4 // you may not use this file except in compliance with the License.\r
   5 // You may obtain a copy of the License at\r
   6 //\r
   7 //    http://www.apache.org/licenses/LICENSE-2.0\r
   8 //\r
   9 // Unless required by applicable law or agreed to in writing, software\r
  10 // distributed under the License is distributed on an "AS IS" BASIS,\r
  11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r
  12 // See the License for the specific language governing permissions and\r
  13 // limitations under the License.\r
  14 \r
  15 using System.Collections.Generic;\r
  16 using System.Linq;\r
  17 using static System.Math;\r
  18 \r
  19 namespace KancolleSniffer\r
  20 {\r
  21     public enum BattleResultRank\r
  22     {\r
  23         P,\r
  24         S,\r
  25         A,\r
  26         B,\r
  27         C,\r
  28         D,\r
  29         E\r
  30     }\r
  31 \r
  32     public enum BattleState\r
  33     {\r
  34         None,\r
  35         Day,\r
  36         Night,\r
  37         Result\r
  38     }\r
  39 \r
  40     public class EnemyFighterPower\r
  41     {\r
  42         public bool HasUnknown { get; set; }\r
  43         public string UnknownMark => HasUnknown ? "+" : "";\r
  44         public int AirCombat { get; set; }\r
  45         public int Interception { get; set; }\r
  46     }\r
  47 \r
  48     public class BattleInfo\r
  49     {\r
  50         private readonly ShipInfo _shipInfo;\r
  51         private readonly ItemInfo _itemInfo;\r
  52         private int _fleet;\r
  53         private Record[] _friend;\r
  54         private Record[] _guard;\r
  55         private int[] _enemyHp;\r
  56         private int[] _enemyGuardHp;\r
  57         private int[] _enemyStartHp;\r
  58         private int[] _enemyGuardStartHp;\r
  59         private readonly List<int> _escapingShips = new List<int>();\r
  60         private int _flagshipRecoveryType;\r
  61         private bool _lastCell;\r
  62 \r
  63         public BattleState BattleState { get; set; }\r
  64         public string Formation { get; private set; }\r
  65         public EnemyFighterPower EnemyFighterPower { get; private set; }\r
  66         public int AirControlLevel { get; private set; }\r
  67         public BattleResultRank ResultRank { get; private set; }\r
  68         public List<char> WrongResultRank { get; set; } = new List<char>(2);\r
  69         public ShipStatus[] EnemyResultStatus { get; private set; }\r
  70         public ShipStatus[] EnemyGuardResultStatus { get; private set; }\r
  71         public bool EnemyIsCombined => EnemyGuardResultStatus.Length > 0;\r
  72         public List<AirBattleResult> AirBattleResults { get; } = new List<AirBattleResult>();\r
  73 \r
  74         public BattleInfo(ShipInfo shipInfo, ItemInfo itemInfo)\r
  75         {\r
  76             _shipInfo = shipInfo;\r
  77             _itemInfo = itemInfo;\r
  78         }\r
  79 \r
  80         public void InspectBattle(dynamic json, string url)\r
  81         {\r
  82             Formation = FormationName(json);\r
  83             AirControlLevel = CheckAirControlLevel(json);\r
  84             ShowResult(false); // 昼戦の結果を夜戦のときに表示する\r
  85             SetupResult(json);\r
  86             EnemyFighterPower = CalcEnemyFighterPower(json);\r
  87             BattleState = IsNightBattle(json) ? BattleState.Night : BattleState.Day;\r
  88             CalcDamage(json);\r
  89             ClearEnemyOverKill();\r
  90             ResultRank = url.EndsWith("ld_airbattle") ? CalcLdAirBattleRank() : CalcResultRank();\r
  91         }\r
  92 \r
  93         private void ClearEnemyOverKill()\r
  94         {\r
  95             _enemyHp = _enemyHp.Select(hp => hp < 0 ? 0 : hp).ToArray();\r
  96             _enemyGuardHp = _enemyGuardHp.Select(hp => hp < 0 ? 0 : hp).ToArray();\r
  97         }\r
  98 \r
  99         public void InspectMapNext(string request)\r
 100         {\r
 101             var type = HttpUtility.ParseQueryString(request)["api_recovery_type"];\r
 102             if (type == null)\r
 103                 return;\r
 104             _flagshipRecoveryType = int.Parse(type);\r
 105         }\r
 106 \r
 107         private bool IsNightBattle(dynamic json) => json.api_hougeki();\r
 108 \r
 109         public static int DeckId(dynamic json)\r
 110         {\r
 111             if (json.api_dock_id()) // 昼戦はtypoしている\r
 112                 return (int)json.api_dock_id - 1;\r
 113             if (json.api_deck_id is string) // 通常の夜戦と連合艦隊(味方のみ)では文字列\r
 114                 return int.Parse(json.api_deck_id) - 1;\r
 115             return (int)json.api_deck_id - 1;\r
 116         }\r
 117 \r
 118         private string FormationName(dynamic json)\r
 119         {\r
 120             if (!json.api_formation()) // 演習の夜戦\r
 121                 return "";\r
 122             switch ((int)json.api_formation[2])\r
 123             {\r
 124                 case 1:\r
 125                     return "同航戦";\r
 126                 case 2:\r
 127                     return "反航戦";\r
 128                 case 3:\r
 129                     return "T字有利";\r
 130                 case 4:\r
 131                     return "T字不利";\r
 132             }\r
 133             return "";\r
 134         }\r
 135 \r
 136         private void SetupResult(dynamic json)\r
 137         {\r
 138             if (_friend != null)\r
 139                 return;\r
 140             _fleet = DeckId(json);\r
 141             var fstats = _shipInfo.GetShipStatuses(_fleet);\r
 142             FlagshipRecovery(fstats[0]);\r
 143             _friend = Record.Setup(fstats);\r
 144             _enemyHp = (int[])json.api_e_nowhps;\r
 145             _enemyStartHp = (int[])_enemyHp.Clone();\r
 146             EnemyResultStatus = ((int[])json.api_ship_ke)\r
 147                 .Select(id => new ShipStatus {Id = id, Spec = _shipInfo.GetSpec(id)}).ToArray();\r
 148             EnemyGuardResultStatus = new ShipStatus[0];\r
 149             if (json.api_ship_ke_combined())\r
 150             {\r
 151                 EnemyGuardResultStatus = ((int[])json.api_ship_ke_combined)\r
 152                     .Select(id => new ShipStatus {Id = id, Spec = _shipInfo.GetSpec(id)}).ToArray();\r
 153             }\r
 154             _guard = new Record[0];\r
 155             _enemyGuardHp = new int[0];\r
 156             _enemyGuardStartHp = new int[0];\r
 157             if (json.api_f_nowhps_combined())\r
 158                 _guard = Record.Setup(_shipInfo.GetShipStatuses(1));\r
 159             if (json.api_e_nowhps_combined()) // 敵が連合艦隊\r
 160             {\r
 161                 _enemyGuardHp = (int[])json.api_e_nowhps_combined;\r
 162                 _enemyGuardStartHp = (int[])_enemyGuardHp.Clone();\r
 163             }\r
 164         }\r
 165 \r
 166         private void FlagshipRecovery(ShipStatus flagship)\r
 167         {\r
 168             switch (_flagshipRecoveryType)\r
 169             {\r
 170                 case 0:\r
 171                     return;\r
 172                 case 1:\r
 173                     flagship.NowHp = flagship.MaxHp / 2;\r
 174                     ConsumeSlotItem(flagship, 42); // ダメコン\r
 175                     break;\r
 176                 case 2:\r
 177                     flagship.NowHp = flagship.MaxHp;\r
 178                     ConsumeSlotItem(flagship, 43); // 女神\r
 179                     break;\r
 180             }\r
 181             if (_flagshipRecoveryType != 0)\r
 182                 _shipInfo.SetBadlyDamagedShips();\r
 183             _flagshipRecoveryType = 0;\r
 184         }\r
 185 \r
 186         private static void ConsumeSlotItem(ShipStatus ship, int id)\r
 187         {\r
 188             if (ship.SlotEx.Spec.Id == id)\r
 189             {\r
 190                 ship.SlotEx = new ItemStatus();\r
 191                 return;\r
 192             }\r
 193             for (var i = 0; i < ship.Slot.Length; i++)\r
 194             {\r
 195                 if (ship.Slot[i].Spec.Id == id)\r
 196                 {\r
 197                     ship.Slot[i] = new ItemStatus();\r
 198                     break;\r
 199                 }\r
 200             }\r
 201         }\r
 202 \r
 203         public void CleanupResult()\r
 204         {\r
 205             _friend = null;\r
 206             _lastCell = false;\r
 207         }\r
 208 \r
 209         private int CheckAirControlLevel(dynamic json)\r
 210         {\r
 211             if (!json.api_kouku())\r
 212                 return -1;\r
 213             var stage1 = json.api_kouku.api_stage1;\r
 214             if (stage1 == null)\r
 215                 return -1;\r
 216             if (stage1.api_f_count == 0 && stage1.api_e_count == 0)\r
 217                 return -1;\r
 218             return (int)stage1.api_disp_seiku;\r
 219         }\r
 220 \r
 221         private EnemyFighterPower CalcEnemyFighterPower(dynamic json)\r
 222         {\r
 223             var result = new EnemyFighterPower();\r
 224             var ships = (int[])json.api_ship_ke;\r
 225             if (json.api_ship_ke_combined() && _guard.Length > 0)\r
 226                 ships = ships.Concat((int[])json.api_ship_ke_combined).ToArray();\r
 227             var maxEq = ships.SelectMany(id =>\r
 228             {\r
 229                 var r = _shipInfo.GetSpec(id).MaxEq;\r
 230                 if (r != null)\r
 231                     return r;\r
 232                 result.HasUnknown = true;\r
 233                 return new int[5];\r
 234             });\r
 235             var equips = ((int[][])json.api_eSlot).SelectMany(x => x);\r
 236             if (json.api_eSlot_combined() && _guard.Length > 0)\r
 237                 equips = equips.Concat(((int[][])json.api_eSlot_combined).SelectMany(x => x));\r
 238             foreach (var entry in from slot in equips.Zip(maxEq, (id, max) => new {id, max})\r
 239                 let spec = _itemInfo.GetSpecByItemId(slot.id)\r
 240                 let perSlot = (int)Floor(spec.AntiAir * Sqrt(slot.max))\r
 241                 select new {spec, perSlot})\r
 242             {\r
 243                 if (entry.spec.CanAirCombat)\r
 244                     result.AirCombat += entry.perSlot;\r
 245                 if (entry.spec.IsAircraft)\r
 246                     result.Interception += entry.perSlot;\r
 247             }\r
 248             return result;\r
 249         }\r
 250 \r
 251         private void CalcDamage(dynamic json)\r
 252         {\r
 253             AirBattleResults.Clear();\r
 254             if (json.api_air_base_injection())\r
 255             {\r
 256                 AddAirBattleResult(json.api_air_base_injection, "AB噴式");\r
 257                 CalcKoukuDamage(json.api_air_base_injection);\r
 258             }\r
 259             if (json.api_injection_kouku())\r
 260             {\r
 261                 AddAirBattleResult(json.api_injection_kouku, "噴式");\r
 262                 CalcKoukuDamage(json.api_injection_kouku);\r
 263             }\r
 264             if (json.api_air_base_attack())\r
 265                 CalcAirBaseAttackDamage(json.api_air_base_attack);\r
 266             if (json.api_kouku())\r
 267             {\r
 268                 AddAirBattleResult(json.api_kouku, "航空戦");\r
 269                 CalcKoukuDamage(json.api_kouku);\r
 270             }\r
 271             if (json.api_kouku2()) // 航空戦2回目\r
 272             {\r
 273                 AddAirBattleResult(json.api_kouku2, "航空戦2");\r
 274                 CalcKoukuDamage(json.api_kouku2);\r
 275             }\r
 276             CalcSurfaceBattleDamage(json);\r
 277         }\r
 278 \r
 279         private enum CombatType\r
 280         {\r
 281             AtOnce,\r
 282             ByTurn,\r
 283             Support\r
 284         }\r
 285 \r
 286         private class Phase\r
 287         {\r
 288             public string Api { get; }\r
 289             public CombatType Type { get; }\r
 290 \r
 291             public Phase(string api, CombatType type)\r
 292             {\r
 293                 Api = api;\r
 294                 Type = type;\r
 295             }\r
 296         }\r
 297 \r
 298         private void CalcSurfaceBattleDamage(dynamic json)\r
 299         {\r
 300             var phases = new[]\r
 301             {\r
 302                 new Phase("support_info", CombatType.Support),\r
 303                 new Phase("n_support_info", CombatType.Support),\r
 304                 new Phase("opening_taisen", CombatType.ByTurn),\r
 305                 new Phase("opening_atack", CombatType.AtOnce),\r
 306                 new Phase("hougeki", CombatType.ByTurn),\r
 307                 new Phase("hougeki1", CombatType.ByTurn),\r
 308                 new Phase("hougeki2", CombatType.ByTurn),\r
 309                 new Phase("hougeki3", CombatType.ByTurn),\r
 310                 new Phase("raigeki", CombatType.AtOnce)\r
 311             };\r
 312             foreach (var phase in phases)\r
 313                 CalcDamageByType(json, "api_" + phase.Api, phase.Type);\r
 314         }\r
 315 \r
 316         private void CalcDamageByType(dynamic json, string api, CombatType type)\r
 317         {\r
 318             if (!json.IsDefined(api) || json[api] == null)\r
 319                 return;\r
 320             switch (type)\r
 321             {\r
 322                 case CombatType.AtOnce:\r
 323                     CalcDamageAtOnce(json[api]);\r
 324                     break;\r
 325                 case CombatType.ByTurn:\r
 326                     CalcDamageByTurn(json[api]);\r
 327                     break;\r
 328                 case CombatType.Support:\r
 329                     CalcSupportDamage(json[api]);\r
 330                     break;\r
 331             }\r
 332         }\r
 333 \r
 334         private void CalcSupportDamage(dynamic json)\r
 335         {\r
 336             if (json.api_support_hourai != null)\r
 337             {\r
 338                 CalcDamageAtOnce(json.api_support_hourai.api_damage, _enemyHp, _enemyGuardHp);\r
 339             }\r
 340             else if (json.api_support_airatack != null)\r
 341             {\r
 342                 CalcDamageAtOnce(json.api_support_airatack.api_stage3.api_edam, _enemyHp, _enemyGuardHp);\r
 343             }\r
 344         }\r
 345 \r
 346         private void CalcAirBaseAttackDamage(dynamic json)\r
 347         {\r
 348             var i = 1;\r
 349             foreach (var entry in json)\r
 350             {\r
 351                 AddAirBattleResult(entry, "基地" + i++);\r
 352                 CalcKoukuDamage(entry);\r
 353             }\r
 354         }\r
 355 \r
 356         private void AddAirBattleResult(dynamic json, string phaseName)\r
 357         {\r
 358             var stage1 = json.api_stage1;\r
 359             if (stage1 == null || (stage1.api_f_count == 0 && stage1.api_e_count == 0))\r
 360                 return;\r
 361             AirBattleResults.Add(new AirBattleResult\r
 362             {\r
 363                 PhaseName = phaseName,\r
 364                 AirControlLevel = json.api_stage1.api_disp_seiku() ? (int)json.api_stage1.api_disp_seiku : 0,\r
 365                 Stage1 = new AirBattleResult.StageResult\r
 366                 {\r
 367                     FriendCount = (int)json.api_stage1.api_f_count,\r
 368                     FriendLost = (int)json.api_stage1.api_f_lostcount,\r
 369                     EnemyCount = (int)json.api_stage1.api_e_count,\r
 370                     EnemyLost = (int)json.api_stage1.api_e_lostcount\r
 371                 },\r
 372                 Stage2 = json.api_stage2 == null\r
 373                     ? new AirBattleResult.StageResult\r
 374                     {\r
 375                         FriendCount = 0,\r
 376                         FriendLost = 0,\r
 377                         EnemyCount = 0,\r
 378                         EnemyLost = 0\r
 379                     }\r
 380                     : new AirBattleResult.StageResult\r
 381                     {\r
 382                         FriendCount = (int)json.api_stage2.api_f_count,\r
 383                         FriendLost = (int)json.api_stage2.api_f_lostcount,\r
 384                         EnemyCount = (int)json.api_stage2.api_e_count,\r
 385                         EnemyLost = (int)json.api_stage2.api_e_lostcount\r
 386                     }\r
 387             });\r
 388         }\r
 389 \r
 390         private void CalcKoukuDamage(dynamic json)\r
 391         {\r
 392             if (json.api_stage3() && json.api_stage3 != null)\r
 393                 CalcDamageAtOnce(json.api_stage3, _friend, _enemyHp);\r
 394             if (json.api_stage3_combined() && json.api_stage3_combined != null)\r
 395                 CalcDamageAtOnce(json.api_stage3_combined, _guard, _enemyGuardHp);\r
 396         }\r
 397 \r
 398         private void CalcDamageAtOnce(dynamic json)\r
 399         {\r
 400             CalcDamageAtOnce(json, _friend, _guard, _enemyHp, _enemyGuardHp);\r
 401         }\r
 402 \r
 403         private void CalcDamageAtOnce(dynamic json, Record[] friend, int[] enemy)\r
 404         {\r
 405             CalcDamageAtOnce(json, friend, null, enemy, null);\r
 406         }\r
 407 \r
 408         private void CalcDamageAtOnce(dynamic json, Record[] friend, Record[] guard, int[] enemy, int[] enemyGuard)\r
 409         {\r
 410             if (json.api_fdam() && json.api_fdam != null)\r
 411                 CalcDamageAtOnce(json.api_fdam, friend, guard);\r
 412             if (json.api_edam() && json.api_edam != null)\r
 413                 CalcDamageAtOnce(json.api_edam, enemy, enemyGuard);\r
 414         }\r
 415 \r
 416         private void CalcDamageAtOnce(dynamic rawDamage, Record[] friend, Record[] guard = null)\r
 417         {\r
 418             var damage = (int[])rawDamage;\r
 419             for (var i = 0; i < friend.Length; i++)\r
 420                 friend[i].ApplyDamage(damage[i]);\r
 421             if (guard == null)\r
 422                 return;\r
 423             for (var i = 0; i < guard.Length; i++)\r
 424                 guard[i].ApplyDamage(damage[i + 6]);\r
 425         }\r
 426 \r
 427         private void CalcDamageAtOnce(dynamic rawDamage, int[] enemy, int[] enemyGuard = null)\r
 428         {\r
 429             var damage = (int[])rawDamage;\r
 430             for (var i = 0; i < enemy.Length; i++)\r
 431                 enemy[i] -= damage[i];\r
 432             if (enemyGuard == null)\r
 433                 return;\r
 434             for (var i = 0; i < enemyGuard.Length; i++)\r
 435                 enemyGuard[i] -= damage[i + 6];\r
 436         }\r
 437 \r
 438         private void CalcDamageByTurn(dynamic json)\r
 439         {\r
 440             if (!(json.api_df_list() && json.api_df_list != null &&\r
 441                   json.api_damage() && json.api_damage != null &&\r
 442                   json.api_at_eflag() && json.api_at_eflag != null))\r
 443                 return;\r
 444 \r
 445             var targets = ((dynamic[])json.api_df_list).Select(x => (int[])x);\r
 446             var damages = ((dynamic[])json.api_damage).Select(x => (int[])x);\r
 447             var eflags = (int[])json.api_at_eflag;\r
 448             foreach (var turn in\r
 449                 targets.Zip(damages, (t, d) => new {t, d}).Zip(eflags, (td, e) => new {e, td.t, td.d}))\r
 450             {\r
 451                 foreach (var hit in turn.t.Zip(turn.d, (t, d) => new {t, d}))\r
 452                 {\r
 453                     if (hit.t == -1)\r
 454                         continue;\r
 455                     if (turn.e == 1)\r
 456                     {\r
 457                         if (hit.t < _friend.Length)\r
 458                         {\r
 459                             _friend[hit.t].ApplyDamage(hit.d);\r
 460                         }\r
 461                         else\r
 462                         {\r
 463                             _guard[hit.t - 6].ApplyDamage(hit.d);\r
 464                         }\r
 465                     }\r
 466                     else\r
 467                     {\r
 468                         if (hit.t < _enemyHp.Length)\r
 469                         {\r
 470                             _enemyHp[hit.t] -= hit.d;\r
 471                         }\r
 472                         else\r
 473                         {\r
 474                             _enemyGuardHp[hit.t - 6] -= hit.d;\r
 475                         }\r
 476                     }\r
 477                 }\r
 478             }\r
 479         }\r
 480 \r
 481         public void InspectMapStart(dynamic json)\r
 482         {\r
 483             InspectMapNext(json);\r
 484         }\r
 485 \r
 486         public void InspectMapNext(dynamic json)\r
 487         {\r
 488             _lastCell = (int)json.api_next == 0;\r
 489         }\r
 490 \r
 491         public void InspectBattleResult(dynamic json)\r
 492         {\r
 493             BattleState = BattleState.Result;\r
 494             ShowResult(!_lastCell);\r
 495             VerifyResultRank(json);\r
 496             CleanupResult();\r
 497             SetEscapeShips(json);\r
 498         }\r
 499 \r
 500         private void VerifyResultRank(dynamic json)\r
 501         {\r
 502             if (_friend == null)\r
 503                 return;\r
 504             WrongResultRank.Clear();\r
 505             if (!json.api_win_rank())\r
 506                 return;\r
 507             var assumed = "PSABCDE"[(int)ResultRank];\r
 508             if (assumed == 'P')\r
 509                 assumed = 'S';\r
 510             var actual = ((string)json.api_win_rank)[0];\r
 511             if (assumed == actual)\r
 512                 return;\r
 513             WrongResultRank.AddRange(new[] {assumed, actual});\r
 514         }\r
 515 \r
 516         public void InspectPracticeResult(dynamic json)\r
 517         {\r
 518             BattleState = BattleState.Result;\r
 519             ShowResult(false);\r
 520             CleanupResult();\r
 521         }\r
 522 \r
 523         private void ShowResult(bool warnDamagedShip = true)\r
 524         {\r
 525             if (_friend == null)\r
 526                 return;\r
 527             var ships = _guard.Length > 0\r
 528                 ? _shipInfo.GetShipStatuses(0).Concat(_shipInfo.GetShipStatuses(1)).ToArray()\r
 529                 : _shipInfo.GetShipStatuses(_fleet);\r
 530             foreach (var entry in ships.Zip(_friend.Concat(_guard), (ship, now) => new {ship, now}))\r
 531                 entry.now.UpdateShipStatus(entry.ship);\r
 532             if (warnDamagedShip)\r
 533                 _shipInfo.SetBadlyDamagedShips();\r
 534             else\r
 535                 _shipInfo.ClearBadlyDamagedShips();\r
 536             SetEnemyResultStatus();\r
 537         }\r
 538 \r
 539         private void SetEnemyResultStatus()\r
 540         {\r
 541             for (var i = 0; i < _enemyHp.Length; i++)\r
 542             {\r
 543                 EnemyResultStatus[i].MaxHp = _enemyStartHp[i];\r
 544                 EnemyResultStatus[i].NowHp = _enemyHp[i];\r
 545             }\r
 546             for (var i = 0; i < _enemyGuardHp.Length; i++)\r
 547             {\r
 548                 EnemyGuardResultStatus[i].MaxHp = _enemyGuardStartHp[i];\r
 549                 EnemyGuardResultStatus[i].NowHp = _enemyGuardHp[i];\r
 550             }\r
 551         }\r
 552 \r
 553         public void SetEscapeShips(dynamic json)\r
 554         {\r
 555             _escapingShips.Clear();\r
 556             if (!json.api_escape_flag() || (int)json.api_escape_flag == 0)\r
 557                 return;\r
 558             var damaged = (int)json.api_escape.api_escape_idx[0] - 1;\r
 559             if (json.api_escape.api_tow_idx())\r
 560             {\r
 561                 _escapingShips.Add(_shipInfo.GetDeck(damaged / 6)[damaged % 6]);\r
 562                 var escort = (int)json.api_escape.api_tow_idx[0] - 1;\r
 563                 _escapingShips.Add(_shipInfo.GetDeck(escort / 6)[escort % 6]);\r
 564             }\r
 565             else\r
 566             {\r
 567                 _escapingShips.Add(_shipInfo.GetDeck(2)[damaged]);\r
 568             }\r
 569         }\r
 570 \r
 571         public void CauseCombinedBattleEscape()\r
 572         {\r
 573             _shipInfo.SetEscapedShips(_escapingShips);\r
 574             _shipInfo.SetBadlyDamagedShips();\r
 575         }\r
 576 \r
 577         private class Record\r
 578         {\r
 579             private ShipStatus _status;\r
 580             public int NowHp => _status.NowHp;\r
 581             public bool Escaped => _status.Escaped;\r
 582             public ShipStatus.Damage DamageLevel => _status.DamageLevel;\r
 583             public int StartHp;\r
 584 \r
 585             public static Record[] Setup(ShipStatus[] ships) =>\r
 586                 (from s in ships select new Record {_status = (ShipStatus)s.Clone(), StartHp = s.NowHp}).ToArray();\r
 587 \r
 588             public void ApplyDamage(int damage)\r
 589             {\r
 590                 if (_status.NowHp > damage)\r
 591                 {\r
 592                     _status.NowHp -= damage;\r
 593                     return;\r
 594                 }\r
 595                 _status.NowHp = 0;\r
 596                 foreach (var item in new[] {_status.SlotEx}.Concat(_status.Slot))\r
 597                 {\r
 598                     if (item.Spec.Id == 42)\r
 599                     {\r
 600                         _status.NowHp = (int)(_status.MaxHp * 0.2);\r
 601                         ConsumeSlotItem(_status, 42);\r
 602                         break;\r
 603                     }\r
 604                     if (item.Spec.Id == 43)\r
 605                     {\r
 606                         _status.NowHp = _status.MaxHp;\r
 607                         ConsumeSlotItem(_status, 43);\r
 608                         break;\r
 609                     }\r
 610                 }\r
 611             }\r
 612 \r
 613             public void UpdateShipStatus(ShipStatus ship)\r
 614             {\r
 615                 ship.NowHp = NowHp;\r
 616                 ship.Slot = _status.Slot;\r
 617                 ship.SlotEx = _status.SlotEx;\r
 618             }\r
 619         }\r
 620 \r
 621         private BattleResultRank CalcLdAirBattleRank()\r
 622         {\r
 623             var combined = _friend.Concat(_guard).ToArray();\r
 624             var friendNowShips = combined.Count(r => r.NowHp > 0);\r
 625             var friendGauge = combined.Sum(r => r.StartHp - r.NowHp);\r
 626             var friendSunk = combined.Count(r => r.NowHp == 0);\r
 627             var friendGaugeRate = Floor((double)friendGauge / combined.Sum(r => r.StartHp) * 100);\r
 628 \r
 629             if (friendSunk == 0)\r
 630             {\r
 631                 if (friendGauge == 0)\r
 632                     return BattleResultRank.P;\r
 633                 if (friendGaugeRate < 10)\r
 634                     return BattleResultRank.A;\r
 635                 if (friendGaugeRate < 20)\r
 636                     return BattleResultRank.B;\r
 637                 if (friendGaugeRate < 50)\r
 638                     return BattleResultRank.C;\r
 639                 return BattleResultRank.D;\r
 640             }\r
 641             if (friendSunk < friendNowShips)\r
 642                 return BattleResultRank.D;\r
 643             return BattleResultRank.E;\r
 644         }\r
 645 \r
 646         private BattleResultRank CalcResultRank()\r
 647         {\r
 648             var friend = _friend.Concat(_guard).ToArray();\r
 649             var enemyHp = _enemyHp.Concat(_enemyGuardHp).ToArray();\r
 650             var enemyStartHp = _enemyStartHp.Concat(_enemyGuardStartHp).ToArray();\r
 651 \r
 652             var friendCount = friend.Length;\r
 653             var friendStartHpTotal = 0;\r
 654             var friendNowHpTotal = 0;\r
 655             var friendSunk = 0;\r
 656             foreach (var ship in friend)\r
 657             {\r
 658                 if (ship.Escaped)\r
 659                     continue;\r
 660                 friendStartHpTotal += ship.StartHp;\r
 661                 friendNowHpTotal += ship.NowHp;\r
 662                 if (ship.NowHp == 0)\r
 663                     friendSunk++;\r
 664             }\r
 665             var friendGaugeRate = (int)((double)(friendStartHpTotal - friendNowHpTotal) / friendStartHpTotal * 100);\r
 666 \r
 667             var enemyCount = enemyHp.Length;\r
 668             var enemyStartHpTotal = enemyStartHp.Sum();\r
 669             var enemyNowHpTotal = enemyHp.Sum();\r
 670             var enemySunk = enemyHp.Count(hp => hp == 0);\r
 671             var enemyGaugeRate = (int)((double)(enemyStartHpTotal - enemyNowHpTotal) / enemyStartHpTotal * 100);\r
 672 \r
 673             if (friendSunk == 0 && enemySunk == enemyCount)\r
 674             {\r
 675                 if (friendNowHpTotal >= friendStartHpTotal)\r
 676                     return BattleResultRank.P;\r
 677                 return BattleResultRank.S;\r
 678             }\r
 679             if (friendSunk == 0 && enemySunk >= (int)(enemyCount * 0.7) && enemyCount > 1)\r
 680                 return BattleResultRank.A;\r
 681             if (friendSunk < enemySunk && enemyHp[0] == 0)\r
 682                 return BattleResultRank.B;\r
 683             if (friendCount == 1 && friend[0].DamageLevel == ShipStatus.Damage.Badly)\r
 684                 return BattleResultRank.D;\r
 685             if (enemyGaugeRate > friendGaugeRate * 2.5)\r
 686                 return BattleResultRank.B;\r
 687             if (enemyGaugeRate > friendGaugeRate * 0.9)\r
 688                 return BattleResultRank.C;\r
 689             if (friendCount > 1 && friendCount - 1 == friendSunk)\r
 690                 return BattleResultRank.E;\r
 691             return BattleResultRank.D;\r
 692         }\r
 693     }\r
 694 }