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         Unknown\r
  39     }\r
  40 \r
  41     public class EnemyFighterPower\r
  42     {\r
  43         public bool HasUnknown { get; set; }\r
  44         public string UnknownMark => HasUnknown ? "+" : "";\r
  45         public int AirCombat { get; set; }\r
  46         public int Interception { get; set; }\r
  47     }\r
  48 \r
  49     public class BattleInfo\r
  50     {\r
  51         private readonly ShipInfo _shipInfo;\r
  52         private readonly ItemInfo _itemInfo;\r
  53         private int _fleet;\r
  54         private Record[] _friend;\r
  55         private Record[] _guard;\r
  56         private int[] _enemyHp;\r
  57         private int[] _enemyGuardHp;\r
  58         private int[] _enemyStartHp;\r
  59         private int[] _enemyGuardStartHp;\r
  60         private readonly List<int> _escapingShips = new List<int>();\r
  61         private int _flagshipRecoveryType;\r
  62         private bool _lastCell;\r
  63 \r
  64         public BattleState BattleState { get; set; }\r
  65         public string Formation { get; private set; }\r
  66         public EnemyFighterPower EnemyFighterPower { get; private set; }\r
  67         public int AirControlLevel { get; private set; }\r
  68         public BattleResultRank ResultRank { get; private set; }\r
  69         public List<char> WrongResultRank { get; set; } = new List<char>(2);\r
  70         public ShipStatus[] EnemyResultStatus { get; private set; }\r
  71         public ShipStatus[] EnemyGuardResultStatus { get; private set; }\r
  72         public bool EnemyIsCombined => EnemyGuardResultStatus.Length > 0;\r
  73         public List<AirBattleResult> AirBattleResults { get; } = new List<AirBattleResult>();\r
  74 \r
  75         public BattleInfo(ShipInfo shipInfo, ItemInfo itemInfo)\r
  76         {\r
  77             _shipInfo = shipInfo;\r
  78             _itemInfo = itemInfo;\r
  79         }\r
  80 \r
  81         public void InspectBattle(dynamic json, string url)\r
  82         {\r
  83             Formation = FormationName(json);\r
  84             AirControlLevel = CheckAirControlLevel(json);\r
  85             ShowResult(false); // 昼戦の結果を夜戦のときに表示する\r
  86             SetupResult(json);\r
  87             EnemyFighterPower = CalcEnemyFighterPower(json);\r
  88             BattleState = IsNightBattle(json) ? BattleState.Night : BattleState.Day;\r
  89             CalcDamage(json);\r
  90             ClearEnemyOverKill();\r
  91             ResultRank = url.EndsWith("ld_airbattle") ? CalcLdAirBattleRank() : CalcResultRank();\r
  92         }\r
  93 \r
  94         private void ClearEnemyOverKill()\r
  95         {\r
  96             _enemyHp = _enemyHp.Select(hp => hp < 0 ? 0 : hp).ToArray();\r
  97             _enemyGuardHp = _enemyGuardHp.Select(hp => hp < 0 ? 0 : hp).ToArray();\r
  98         }\r
  99 \r
 100         public void InspectMapNext(string request)\r
 101         {\r
 102             var type = HttpUtility.ParseQueryString(request)["api_recovery_type"];\r
 103             if (type == null)\r
 104                 return;\r
 105             _flagshipRecoveryType = int.Parse(type);\r
 106         }\r
 107 \r
 108         private bool IsNightBattle(dynamic json) => json.api_hougeki();\r
 109 \r
 110         public static int DeckId(dynamic json)\r
 111         {\r
 112             if (json.api_dock_id()) // 昼戦はtypoしている\r
 113                 return (int)json.api_dock_id - 1;\r
 114             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
 115                 return int.Parse(json.api_deck_id) - 1;\r
 116             return (int)json.api_deck_id - 1;\r
 117         }\r
 118 \r
 119         private string FormationName(dynamic json)\r
 120         {\r
 121             if (!json.api_formation()) // 演習の夜戦\r
 122                 return "";\r
 123             switch ((int)json.api_formation[2])\r
 124             {\r
 125                 case 1:\r
 126                     return "同航戦";\r
 127                 case 2:\r
 128                     return "反航戦";\r
 129                 case 3:\r
 130                     return "T字有利";\r
 131                 case 4:\r
 132                     return "T字不利";\r
 133             }\r
 134             return "";\r
 135         }\r
 136 \r
 137         private void SetupResult(dynamic json)\r
 138         {\r
 139             if (_friend != null)\r
 140                 return;\r
 141             _fleet = DeckId(json);\r
 142             var fstats = _shipInfo.GetShipStatuses(_fleet);\r
 143             FlagshipRecovery(fstats[0]);\r
 144             _friend = Record.Setup(fstats);\r
 145             _enemyHp = (int[])json.api_e_nowhps;\r
 146             _enemyStartHp = (int[])_enemyHp.Clone();\r
 147             EnemyResultStatus = ((int[])json.api_ship_ke)\r
 148                 .Select(id => new ShipStatus {Id = id, Spec = _shipInfo.GetSpec(id)}).ToArray();\r
 149             EnemyGuardResultStatus = new ShipStatus[0];\r
 150             if (json.api_ship_ke_combined())\r
 151             {\r
 152                 EnemyGuardResultStatus = ((int[])json.api_ship_ke_combined)\r
 153                     .Select(id => new ShipStatus {Id = id, Spec = _shipInfo.GetSpec(id)}).ToArray();\r
 154             }\r
 155             _guard = new Record[0];\r
 156             _enemyGuardHp = new int[0];\r
 157             _enemyGuardStartHp = new int[0];\r
 158             if (json.api_f_nowhps_combined())\r
 159                 _guard = Record.Setup(_shipInfo.GetShipStatuses(1));\r
 160             if (json.api_e_nowhps_combined()) // 敵が連合艦隊\r
 161             {\r
 162                 _enemyGuardHp = (int[])json.api_e_nowhps_combined;\r
 163                 _enemyGuardStartHp = (int[])_enemyGuardHp.Clone();\r
 164             }\r
 165         }\r
 166 \r
 167         private void FlagshipRecovery(ShipStatus flagship)\r
 168         {\r
 169             switch (_flagshipRecoveryType)\r
 170             {\r
 171                 case 0:\r
 172                     return;\r
 173                 case 1:\r
 174                     flagship.NowHp = flagship.MaxHp / 2;\r
 175                     ConsumeSlotItem(flagship, 42); // ダメコン\r
 176                     break;\r
 177                 case 2:\r
 178                     flagship.NowHp = flagship.MaxHp;\r
 179                     ConsumeSlotItem(flagship, 43); // 女神\r
 180                     break;\r
 181             }\r
 182             if (_flagshipRecoveryType != 0)\r
 183                 _shipInfo.SetBadlyDamagedShips();\r
 184             _flagshipRecoveryType = 0;\r
 185         }\r
 186 \r
 187         private static void ConsumeSlotItem(ShipStatus ship, int id)\r
 188         {\r
 189             if (ship.SlotEx.Spec.Id == id)\r
 190             {\r
 191                 ship.SlotEx = new ItemStatus();\r
 192                 return;\r
 193             }\r
 194             for (var i = 0; i < ship.Slot.Length; i++)\r
 195             {\r
 196                 if (ship.Slot[i].Spec.Id == id)\r
 197                 {\r
 198                     ship.Slot[i] = new ItemStatus();\r
 199                     break;\r
 200                 }\r
 201             }\r
 202         }\r
 203 \r
 204         public void CleanupResult()\r
 205         {\r
 206             _friend = null;\r
 207             _lastCell = false;\r
 208         }\r
 209 \r
 210         private int CheckAirControlLevel(dynamic json)\r
 211         {\r
 212             if (!json.api_kouku())\r
 213                 return -1;\r
 214             var stage1 = json.api_kouku.api_stage1;\r
 215             if (stage1 == null)\r
 216                 return -1;\r
 217             if (stage1.api_f_count == 0 && stage1.api_e_count == 0)\r
 218                 return -1;\r
 219             return (int)stage1.api_disp_seiku;\r
 220         }\r
 221 \r
 222         private EnemyFighterPower CalcEnemyFighterPower(dynamic json)\r
 223         {\r
 224             var result = new EnemyFighterPower();\r
 225             var ships = (int[])json.api_ship_ke;\r
 226             if (json.api_ship_ke_combined() && _guard.Length > 0)\r
 227                 ships = ships.Concat((int[])json.api_ship_ke_combined).ToArray();\r
 228             var maxEq = ships.SelectMany(id =>\r
 229             {\r
 230                 var r = _shipInfo.GetSpec(id).MaxEq;\r
 231                 if (r != null)\r
 232                     return r;\r
 233                 result.HasUnknown = true;\r
 234                 return new int[5];\r
 235             });\r
 236             var equips = ((int[][])json.api_eSlot).SelectMany(x => x);\r
 237             if (json.api_eSlot_combined() && _guard.Length > 0)\r
 238                 equips = equips.Concat(((int[][])json.api_eSlot_combined).SelectMany(x => x));\r
 239             foreach (var entry in from slot in equips.Zip(maxEq, (id, max) => new {id, max})\r
 240                 let spec = _itemInfo.GetSpecByItemId(slot.id)\r
 241                 let perSlot = (int)Floor(spec.AntiAir * Sqrt(slot.max))\r
 242                 select new {spec, perSlot})\r
 243             {\r
 244                 if (entry.spec.CanAirCombat)\r
 245                     result.AirCombat += entry.perSlot;\r
 246                 if (entry.spec.IsAircraft)\r
 247                     result.Interception += entry.perSlot;\r
 248             }\r
 249             return result;\r
 250         }\r
 251 \r
 252         private void CalcDamage(dynamic json)\r
 253         {\r
 254             AirBattleResults.Clear();\r
 255             if (json.api_air_base_injection())\r
 256             {\r
 257                 AddAirBattleResult(json.api_air_base_injection, "AB噴式");\r
 258                 CalcKoukuDamage(json.api_air_base_injection);\r
 259             }\r
 260             if (json.api_injection_kouku())\r
 261             {\r
 262                 AddAirBattleResult(json.api_injection_kouku, "噴式");\r
 263                 CalcKoukuDamage(json.api_injection_kouku);\r
 264             }\r
 265             if (json.api_air_base_attack())\r
 266                 CalcAirBaseAttackDamage(json.api_air_base_attack);\r
 267             if (json.api_kouku())\r
 268             {\r
 269                 AddAirBattleResult(json.api_kouku, "航空戦");\r
 270                 CalcKoukuDamage(json.api_kouku);\r
 271             }\r
 272             if (json.api_kouku2()) // 航空戦2回目\r
 273             {\r
 274                 AddAirBattleResult(json.api_kouku2, "航空戦2");\r
 275                 CalcKoukuDamage(json.api_kouku2);\r
 276             }\r
 277             CalcSurfaceBattleDamage(json);\r
 278         }\r
 279 \r
 280         private enum CombatType\r
 281         {\r
 282             AtOnce,\r
 283             ByTurn,\r
 284             Support\r
 285         }\r
 286 \r
 287         private class Phase\r
 288         {\r
 289             public string Api { get; }\r
 290             public CombatType Type { get; }\r
 291 \r
 292             public Phase(string api, CombatType type)\r
 293             {\r
 294                 Api = api;\r
 295                 Type = type;\r
 296             }\r
 297         }\r
 298 \r
 299         private void CalcSurfaceBattleDamage(dynamic json)\r
 300         {\r
 301             var phases = new[]\r
 302             {\r
 303                 new Phase("support_info", CombatType.Support),\r
 304                 new Phase("n_support_info", CombatType.Support),\r
 305                 new Phase("opening_taisen", CombatType.ByTurn),\r
 306                 new Phase("opening_atack", CombatType.AtOnce),\r
 307                 new Phase("hougeki", CombatType.ByTurn),\r
 308                 new Phase("hougeki1", CombatType.ByTurn),\r
 309                 new Phase("hougeki2", CombatType.ByTurn),\r
 310                 new Phase("hougeki3", CombatType.ByTurn),\r
 311                 new Phase("raigeki", CombatType.AtOnce)\r
 312             };\r
 313             foreach (var phase in phases)\r
 314                 CalcDamageByType(json, "api_" + phase.Api, phase.Type);\r
 315         }\r
 316 \r
 317         private void CalcDamageByType(dynamic json, string api, CombatType type)\r
 318         {\r
 319             if (!json.IsDefined(api) || json[api] == null)\r
 320                 return;\r
 321             switch (type)\r
 322             {\r
 323                 case CombatType.AtOnce:\r
 324                     CalcDamageAtOnce(json[api]);\r
 325                     break;\r
 326                 case CombatType.ByTurn:\r
 327                     CalcDamageByTurn(json[api]);\r
 328                     break;\r
 329                 case CombatType.Support:\r
 330                     CalcSupportDamage(json[api]);\r
 331                     break;\r
 332             }\r
 333         }\r
 334 \r
 335         private void CalcSupportDamage(dynamic json)\r
 336         {\r
 337             if (json.api_support_hourai != null)\r
 338             {\r
 339                 CalcDamageAtOnce(json.api_support_hourai.api_damage, _enemyHp, _enemyGuardHp);\r
 340             }\r
 341             else if (json.api_support_airatack != null)\r
 342             {\r
 343                 CalcDamageAtOnce(json.api_support_airatack.api_stage3.api_edam, _enemyHp, _enemyGuardHp);\r
 344             }\r
 345         }\r
 346 \r
 347         private void CalcAirBaseAttackDamage(dynamic json)\r
 348         {\r
 349             var i = 1;\r
 350             foreach (var entry in json)\r
 351             {\r
 352                 AddAirBattleResult(entry, "基地" + i++);\r
 353                 CalcKoukuDamage(entry);\r
 354             }\r
 355         }\r
 356 \r
 357         private void AddAirBattleResult(dynamic json, string phaseName)\r
 358         {\r
 359             var stage1 = json.api_stage1;\r
 360             if (stage1 == null || (stage1.api_f_count == 0 && stage1.api_e_count == 0))\r
 361                 return;\r
 362             AirBattleResults.Add(new AirBattleResult\r
 363             {\r
 364                 PhaseName = phaseName,\r
 365                 AirControlLevel = json.api_stage1.api_disp_seiku() ? (int)json.api_stage1.api_disp_seiku : 0,\r
 366                 Stage1 = new AirBattleResult.StageResult\r
 367                 {\r
 368                     FriendCount = (int)json.api_stage1.api_f_count,\r
 369                     FriendLost = (int)json.api_stage1.api_f_lostcount,\r
 370                     EnemyCount = (int)json.api_stage1.api_e_count,\r
 371                     EnemyLost = (int)json.api_stage1.api_e_lostcount\r
 372                 },\r
 373                 Stage2 = json.api_stage2 == null\r
 374                     ? new AirBattleResult.StageResult\r
 375                     {\r
 376                         FriendCount = 0,\r
 377                         FriendLost = 0,\r
 378                         EnemyCount = 0,\r
 379                         EnemyLost = 0\r
 380                     }\r
 381                     : new AirBattleResult.StageResult\r
 382                     {\r
 383                         FriendCount = (int)json.api_stage2.api_f_count,\r
 384                         FriendLost = (int)json.api_stage2.api_f_lostcount,\r
 385                         EnemyCount = (int)json.api_stage2.api_e_count,\r
 386                         EnemyLost = (int)json.api_stage2.api_e_lostcount\r
 387                     }\r
 388             });\r
 389         }\r
 390 \r
 391         private void CalcKoukuDamage(dynamic json)\r
 392         {\r
 393             if (json.api_stage3() && json.api_stage3 != null)\r
 394                 CalcDamageAtOnce(json.api_stage3, _friend, _enemyHp);\r
 395             if (json.api_stage3_combined() && json.api_stage3_combined != null)\r
 396                 CalcDamageAtOnce(json.api_stage3_combined, _guard, _enemyGuardHp);\r
 397         }\r
 398 \r
 399         private void CalcDamageAtOnce(dynamic json)\r
 400         {\r
 401             CalcDamageAtOnce(json, _friend, _guard, _enemyHp, _enemyGuardHp);\r
 402         }\r
 403 \r
 404         private void CalcDamageAtOnce(dynamic json, Record[] friend, int[] enemy)\r
 405         {\r
 406             CalcDamageAtOnce(json, friend, null, enemy, null);\r
 407         }\r
 408 \r
 409         private void CalcDamageAtOnce(dynamic json, Record[] friend, Record[] guard, int[] enemy, int[] enemyGuard)\r
 410         {\r
 411             if (json.api_fdam() && json.api_fdam != null)\r
 412                 CalcDamageAtOnce(json.api_fdam, friend, guard);\r
 413             if (json.api_edam() && json.api_edam != null)\r
 414                 CalcDamageAtOnce(json.api_edam, enemy, enemyGuard);\r
 415         }\r
 416 \r
 417         private void CalcDamageAtOnce(dynamic rawDamage, Record[] friend, Record[] guard = null)\r
 418         {\r
 419             var damage = (int[])rawDamage;\r
 420             for (var i = 0; i < friend.Length; i++)\r
 421                 friend[i].ApplyDamage(damage[i]);\r
 422             if (guard == null)\r
 423                 return;\r
 424             for (var i = 0; i < guard.Length; i++)\r
 425                 guard[i].ApplyDamage(damage[i + 6]);\r
 426         }\r
 427 \r
 428         private void CalcDamageAtOnce(dynamic rawDamage, int[] enemy, int[] enemyGuard = null)\r
 429         {\r
 430             var damage = (int[])rawDamage;\r
 431             for (var i = 0; i < enemy.Length; i++)\r
 432                 enemy[i] -= damage[i];\r
 433             if (enemyGuard == null)\r
 434                 return;\r
 435             for (var i = 0; i < enemyGuard.Length; i++)\r
 436                 enemyGuard[i] -= damage[i + 6];\r
 437         }\r
 438 \r
 439         private void CalcDamageByTurn(dynamic json)\r
 440         {\r
 441             if (!(json.api_df_list() && json.api_df_list != null &&\r
 442                   json.api_damage() && json.api_damage != null &&\r
 443                   json.api_at_eflag() && json.api_at_eflag != null))\r
 444                 return;\r
 445 \r
 446             var targets = ((dynamic[])json.api_df_list).Select(x => (int[])x);\r
 447             var damages = ((dynamic[])json.api_damage).Select(x => (int[])x);\r
 448             var eflags = (int[])json.api_at_eflag;\r
 449             foreach (var turn in\r
 450                 targets.Zip(damages, (t, d) => new {t, d}).Zip(eflags, (td, e) => new {e, td.t, td.d}))\r
 451             {\r
 452                 foreach (var hit in turn.t.Zip(turn.d, (t, d) => new {t, d}))\r
 453                 {\r
 454                     if (hit.t == -1)\r
 455                         continue;\r
 456                     if (turn.e == 1)\r
 457                     {\r
 458                         if (hit.t < _friend.Length)\r
 459                         {\r
 460                             _friend[hit.t].ApplyDamage(hit.d);\r
 461                         }\r
 462                         else\r
 463                         {\r
 464                             _guard[hit.t - 6].ApplyDamage(hit.d);\r
 465                         }\r
 466                     }\r
 467                     else\r
 468                     {\r
 469                         if (hit.t < _enemyHp.Length)\r
 470                         {\r
 471                             _enemyHp[hit.t] -= hit.d;\r
 472                         }\r
 473                         else\r
 474                         {\r
 475                             _enemyGuardHp[hit.t - 6] -= hit.d;\r
 476                         }\r
 477                     }\r
 478                 }\r
 479             }\r
 480         }\r
 481 \r
 482         public void InspectMapStart(dynamic json)\r
 483         {\r
 484             InspectMapNext(json);\r
 485         }\r
 486 \r
 487         public void InspectMapNext(dynamic json)\r
 488         {\r
 489             _lastCell = (int)json.api_next == 0;\r
 490         }\r
 491 \r
 492         public void InspectBattleResult(dynamic json)\r
 493         {\r
 494             BattleState = BattleState.Result;\r
 495             ShowResult(!_lastCell);\r
 496             VerifyResultRank(json);\r
 497             CleanupResult();\r
 498             SetEscapeShips(json);\r
 499         }\r
 500 \r
 501         private void VerifyResultRank(dynamic json)\r
 502         {\r
 503             if (_friend == null)\r
 504                 return;\r
 505             WrongResultRank.Clear();\r
 506             if (!json.api_win_rank())\r
 507                 return;\r
 508             var assumed = "PSABCDE"[(int)ResultRank];\r
 509             if (assumed == 'P')\r
 510                 assumed = 'S';\r
 511             var actual = ((string)json.api_win_rank)[0];\r
 512             if (assumed == actual)\r
 513                 return;\r
 514             WrongResultRank.AddRange(new[] {assumed, actual});\r
 515         }\r
 516 \r
 517         public void InspectPracticeResult(dynamic json)\r
 518         {\r
 519             BattleState = BattleState.Result;\r
 520             ShowResult(false);\r
 521             CleanupResult();\r
 522         }\r
 523 \r
 524         private void ShowResult(bool warnDamagedShip = true)\r
 525         {\r
 526             if (_friend == null)\r
 527                 return;\r
 528             var ships = _guard.Length > 0\r
 529                 ? _shipInfo.GetShipStatuses(0).Concat(_shipInfo.GetShipStatuses(1)).ToArray()\r
 530                 : _shipInfo.GetShipStatuses(_fleet);\r
 531             foreach (var entry in ships.Zip(_friend.Concat(_guard), (ship, now) => new {ship, now}))\r
 532                 entry.now.UpdateShipStatus(entry.ship);\r
 533             if (warnDamagedShip)\r
 534                 _shipInfo.SetBadlyDamagedShips();\r
 535             else\r
 536                 _shipInfo.ClearBadlyDamagedShips();\r
 537             SetEnemyResultStatus();\r
 538         }\r
 539 \r
 540         private void SetEnemyResultStatus()\r
 541         {\r
 542             for (var i = 0; i < _enemyHp.Length; i++)\r
 543             {\r
 544                 EnemyResultStatus[i].MaxHp = _enemyStartHp[i];\r
 545                 EnemyResultStatus[i].NowHp = _enemyHp[i];\r
 546             }\r
 547             for (var i = 0; i < _enemyGuardHp.Length; i++)\r
 548             {\r
 549                 EnemyGuardResultStatus[i].MaxHp = _enemyGuardStartHp[i];\r
 550                 EnemyGuardResultStatus[i].NowHp = _enemyGuardHp[i];\r
 551             }\r
 552         }\r
 553 \r
 554         public void SetEscapeShips(dynamic json)\r
 555         {\r
 556             _escapingShips.Clear();\r
 557             if (!json.api_escape_flag() || (int)json.api_escape_flag == 0)\r
 558                 return;\r
 559             var damaged = (int)json.api_escape.api_escape_idx[0] - 1;\r
 560             if (json.api_escape.api_tow_idx())\r
 561             {\r
 562                 _escapingShips.Add(_shipInfo.GetDeck(damaged / 6)[damaged % 6]);\r
 563                 var escort = (int)json.api_escape.api_tow_idx[0] - 1;\r
 564                 _escapingShips.Add(_shipInfo.GetDeck(escort / 6)[escort % 6]);\r
 565             }\r
 566             else\r
 567             {\r
 568                 _escapingShips.Add(_shipInfo.GetDeck(2)[damaged]);\r
 569             }\r
 570         }\r
 571 \r
 572         public void CauseCombinedBattleEscape()\r
 573         {\r
 574             _shipInfo.SetEscapedShips(_escapingShips);\r
 575             _shipInfo.SetBadlyDamagedShips();\r
 576         }\r
 577 \r
 578         private class Record\r
 579         {\r
 580             private ShipStatus _status;\r
 581             public int NowHp => _status.NowHp;\r
 582             public bool Escaped => _status.Escaped;\r
 583             public ShipStatus.Damage DamageLevel => _status.DamageLevel;\r
 584             public int StartHp;\r
 585 \r
 586             public static Record[] Setup(ShipStatus[] ships) =>\r
 587                 (from s in ships select new Record {_status = (ShipStatus)s.Clone(), StartHp = s.NowHp}).ToArray();\r
 588 \r
 589             public void ApplyDamage(int damage)\r
 590             {\r
 591                 if (_status.NowHp > damage)\r
 592                 {\r
 593                     _status.NowHp -= damage;\r
 594                     return;\r
 595                 }\r
 596                 _status.NowHp = 0;\r
 597                 foreach (var item in new[] {_status.SlotEx}.Concat(_status.Slot))\r
 598                 {\r
 599                     if (item.Spec.Id == 42)\r
 600                     {\r
 601                         _status.NowHp = (int)(_status.MaxHp * 0.2);\r
 602                         ConsumeSlotItem(_status, 42);\r
 603                         break;\r
 604                     }\r
 605                     if (item.Spec.Id == 43)\r
 606                     {\r
 607                         _status.NowHp = _status.MaxHp;\r
 608                         ConsumeSlotItem(_status, 43);\r
 609                         break;\r
 610                     }\r
 611                 }\r
 612             }\r
 613 \r
 614             public void UpdateShipStatus(ShipStatus ship)\r
 615             {\r
 616                 ship.NowHp = NowHp;\r
 617                 ship.Slot = _status.Slot;\r
 618                 ship.SlotEx = _status.SlotEx;\r
 619             }\r
 620         }\r
 621 \r
 622         private BattleResultRank CalcLdAirBattleRank()\r
 623         {\r
 624             var combined = _friend.Concat(_guard).ToArray();\r
 625             var friendNowShips = combined.Count(r => r.NowHp > 0);\r
 626             var friendGauge = combined.Sum(r => r.StartHp - r.NowHp);\r
 627             var friendSunk = combined.Count(r => r.NowHp == 0);\r
 628             var friendGaugeRate = Floor((double)friendGauge / combined.Sum(r => r.StartHp) * 100);\r
 629 \r
 630             if (friendSunk == 0)\r
 631             {\r
 632                 if (friendGauge == 0)\r
 633                     return BattleResultRank.P;\r
 634                 if (friendGaugeRate < 10)\r
 635                     return BattleResultRank.A;\r
 636                 if (friendGaugeRate < 20)\r
 637                     return BattleResultRank.B;\r
 638                 if (friendGaugeRate < 50)\r
 639                     return BattleResultRank.C;\r
 640                 return BattleResultRank.D;\r
 641             }\r
 642             if (friendSunk < friendNowShips)\r
 643                 return BattleResultRank.D;\r
 644             return BattleResultRank.E;\r
 645         }\r
 646 \r
 647         private BattleResultRank CalcResultRank()\r
 648         {\r
 649             var friend = _friend.Concat(_guard).ToArray();\r
 650             var enemyHp = _enemyHp.Concat(_enemyGuardHp).ToArray();\r
 651             var enemyStartHp = _enemyStartHp.Concat(_enemyGuardStartHp).ToArray();\r
 652 \r
 653             var friendCount = friend.Length;\r
 654             var friendStartHpTotal = 0;\r
 655             var friendNowHpTotal = 0;\r
 656             var friendSunk = 0;\r
 657             foreach (var ship in friend)\r
 658             {\r
 659                 if (ship.Escaped)\r
 660                     continue;\r
 661                 friendStartHpTotal += ship.StartHp;\r
 662                 friendNowHpTotal += ship.NowHp;\r
 663                 if (ship.NowHp == 0)\r
 664                     friendSunk++;\r
 665             }\r
 666             var friendGaugeRate = (int)((double)(friendStartHpTotal - friendNowHpTotal) / friendStartHpTotal * 100);\r
 667 \r
 668             var enemyCount = enemyHp.Length;\r
 669             var enemyStartHpTotal = enemyStartHp.Sum();\r
 670             var enemyNowHpTotal = enemyHp.Sum();\r
 671             var enemySunk = enemyHp.Count(hp => hp == 0);\r
 672             var enemyGaugeRate = (int)((double)(enemyStartHpTotal - enemyNowHpTotal) / enemyStartHpTotal * 100);\r
 673 \r
 674             if (friendSunk == 0 && enemySunk == enemyCount)\r
 675             {\r
 676                 if (friendNowHpTotal >= friendStartHpTotal)\r
 677                     return BattleResultRank.P;\r
 678                 return BattleResultRank.S;\r
 679             }\r
 680             if (friendSunk == 0 && enemySunk >= (int)(enemyCount * 0.7) && enemyCount > 1)\r
 681                 return BattleResultRank.A;\r
 682             if (friendSunk < enemySunk && enemyHp[0] == 0)\r
 683                 return BattleResultRank.B;\r
 684             if (friendCount == 1 && friend[0].DamageLevel == ShipStatus.Damage.Badly)\r
 685                 return BattleResultRank.D;\r
 686             if (enemyGaugeRate > friendGaugeRate * 2.5)\r
 687                 return BattleResultRank.B;\r
 688             if (enemyGaugeRate > friendGaugeRate * 0.9)\r
 689                 return BattleResultRank.C;\r
 690             if (friendCount > 1 && friendCount - 1 == friendSunk)\r
 691                 return BattleResultRank.E;\r
 692             return BattleResultRank.D;\r
 693         }\r
 694     }\r
 695 }