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 RankPair DisplayedResultRank { get; } = new RankPair();\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 class RankPair\r
  76         {\r
  77             public char Assumed { get; set; }\r
  78             public char Actual { get; set; }\r
  79             public bool IsError => Assumed != Actual;\r
  80         }\r
  81 \r
  82         public BattleInfo(ShipInfo shipInfo, ItemInfo itemInfo)\r
  83         {\r
  84             _shipInfo = shipInfo;\r
  85             _itemInfo = itemInfo;\r
  86         }\r
  87 \r
  88         public void InspectBattle(dynamic json, string url)\r
  89         {\r
  90             Formation = FormationName(json);\r
  91             AirControlLevel = CheckAirControlLevel(json);\r
  92             ShowResult(false); // 昼戦の結果を夜戦のときに表示する\r
  93             SetupResult(json);\r
  94             EnemyFighterPower = CalcEnemyFighterPower(json);\r
  95             BattleState = IsNightBattle(json) ? BattleState.Night : BattleState.Day;\r
  96             CalcDamage(json);\r
  97             ClearEnemyOverKill();\r
  98             ResultRank = url.EndsWith("ld_airbattle") ? CalcLdAirBattleRank() : CalcResultRank();\r
  99         }\r
 100 \r
 101         private void ClearEnemyOverKill()\r
 102         {\r
 103             _enemyHp = _enemyHp.Select(hp => hp < 0 ? 0 : hp).ToArray();\r
 104             _enemyGuardHp = _enemyGuardHp.Select(hp => hp < 0 ? 0 : hp).ToArray();\r
 105         }\r
 106 \r
 107         public void InspectMapNext(string request)\r
 108         {\r
 109             var type = HttpUtility.ParseQueryString(request)["api_recovery_type"];\r
 110             if (type == null)\r
 111                 return;\r
 112             _flagshipRecoveryType = int.Parse(type);\r
 113         }\r
 114 \r
 115         private bool IsNightBattle(dynamic json) => json.api_hougeki();\r
 116 \r
 117         public static int DeckId(dynamic json)\r
 118         {\r
 119             if (json.api_dock_id()) // 昼戦はtypoしている\r
 120                 return (int)json.api_dock_id - 1;\r
 121             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
 122                 return int.Parse(json.api_deck_id) - 1;\r
 123             return (int)json.api_deck_id - 1;\r
 124         }\r
 125 \r
 126         private string FormationName(dynamic json)\r
 127         {\r
 128             if (!json.api_formation()) // 演習の夜戦\r
 129                 return "";\r
 130             switch ((int)json.api_formation[2])\r
 131             {\r
 132                 case 1:\r
 133                     return "同航戦";\r
 134                 case 2:\r
 135                     return "反航戦";\r
 136                 case 3:\r
 137                     return "T字有利";\r
 138                 case 4:\r
 139                     return "T字不利";\r
 140             }\r
 141             return "";\r
 142         }\r
 143 \r
 144         private void SetupResult(dynamic json)\r
 145         {\r
 146             if (_friend != null)\r
 147                 return;\r
 148             _fleet = DeckId(json);\r
 149             var fstats = _shipInfo.GetShipStatuses(_fleet);\r
 150             FlagshipRecovery(fstats[0]);\r
 151             _friend = Record.Setup(fstats);\r
 152             _enemyHp = (int[])json.api_e_nowhps;\r
 153             _enemyStartHp = (int[])_enemyHp.Clone();\r
 154             EnemyResultStatus = ((int[])json.api_ship_ke)\r
 155                 .Select(id => new ShipStatus {Id = id, Spec = _shipInfo.GetSpec(id)}).ToArray();\r
 156             EnemyGuardResultStatus = new ShipStatus[0];\r
 157             if (json.api_ship_ke_combined())\r
 158             {\r
 159                 EnemyGuardResultStatus = ((int[])json.api_ship_ke_combined)\r
 160                     .Select(id => new ShipStatus {Id = id, Spec = _shipInfo.GetSpec(id)}).ToArray();\r
 161             }\r
 162             _guard = new Record[0];\r
 163             _enemyGuardHp = new int[0];\r
 164             _enemyGuardStartHp = new int[0];\r
 165             if (json.api_f_nowhps_combined())\r
 166                 _guard = Record.Setup(_shipInfo.GetShipStatuses(1));\r
 167             if (json.api_e_nowhps_combined()) // 敵が連合艦隊\r
 168             {\r
 169                 _enemyGuardHp = (int[])json.api_e_nowhps_combined;\r
 170                 _enemyGuardStartHp = (int[])_enemyGuardHp.Clone();\r
 171             }\r
 172         }\r
 173 \r
 174         private void FlagshipRecovery(ShipStatus flagship)\r
 175         {\r
 176             switch (_flagshipRecoveryType)\r
 177             {\r
 178                 case 0:\r
 179                     return;\r
 180                 case 1:\r
 181                     flagship.NowHp = flagship.MaxHp / 2;\r
 182                     ConsumeSlotItem(flagship, 42); // ダメコン\r
 183                     break;\r
 184                 case 2:\r
 185                     flagship.NowHp = flagship.MaxHp;\r
 186                     ConsumeSlotItem(flagship, 43); // 女神\r
 187                     break;\r
 188             }\r
 189             if (_flagshipRecoveryType != 0)\r
 190                 _shipInfo.SetBadlyDamagedShips();\r
 191             _flagshipRecoveryType = 0;\r
 192         }\r
 193 \r
 194         private static void ConsumeSlotItem(ShipStatus ship, int id)\r
 195         {\r
 196             if (ship.SlotEx.Spec.Id == id)\r
 197             {\r
 198                 ship.SlotEx = new ItemStatus();\r
 199                 return;\r
 200             }\r
 201             for (var i = 0; i < ship.Slot.Length; i++)\r
 202             {\r
 203                 if (ship.Slot[i].Spec.Id == id)\r
 204                 {\r
 205                     ship.Slot[i] = new ItemStatus();\r
 206                     break;\r
 207                 }\r
 208             }\r
 209         }\r
 210 \r
 211         public void CleanupResult()\r
 212         {\r
 213             _friend = null;\r
 214             _lastCell = false;\r
 215         }\r
 216 \r
 217         private int CheckAirControlLevel(dynamic json)\r
 218         {\r
 219             if (!json.api_kouku())\r
 220                 return -1;\r
 221             var stage1 = json.api_kouku.api_stage1;\r
 222             if (stage1 == null)\r
 223                 return -1;\r
 224             if (stage1.api_f_count == 0 && stage1.api_e_count == 0)\r
 225                 return -1;\r
 226             return (int)stage1.api_disp_seiku;\r
 227         }\r
 228 \r
 229         private EnemyFighterPower CalcEnemyFighterPower(dynamic json)\r
 230         {\r
 231             var result = new EnemyFighterPower();\r
 232             var ships = (int[])json.api_ship_ke;\r
 233             if (json.api_ship_ke_combined() && _guard.Length > 0)\r
 234                 ships = ships.Concat((int[])json.api_ship_ke_combined).ToArray();\r
 235             var maxEq = ships.SelectMany(id =>\r
 236             {\r
 237                 var r = _shipInfo.GetSpec(id).MaxEq;\r
 238                 if (r != null)\r
 239                     return r;\r
 240                 result.HasUnknown = true;\r
 241                 return new int[5];\r
 242             });\r
 243             var equips = ((int[][])json.api_eSlot).SelectMany(x => x);\r
 244             if (json.api_eSlot_combined() && _guard.Length > 0)\r
 245                 equips = equips.Concat(((int[][])json.api_eSlot_combined).SelectMany(x => x));\r
 246             foreach (var entry in from slot in equips.Zip(maxEq, (id, max) => new {id, max})\r
 247                 let spec = _itemInfo.GetSpecByItemId(slot.id)\r
 248                 let perSlot = (int)Floor(spec.AntiAir * Sqrt(slot.max))\r
 249                 select new {spec, perSlot})\r
 250             {\r
 251                 if (entry.spec.CanAirCombat)\r
 252                     result.AirCombat += entry.perSlot;\r
 253                 if (entry.spec.IsAircraft)\r
 254                     result.Interception += entry.perSlot;\r
 255             }\r
 256             return result;\r
 257         }\r
 258 \r
 259         private enum CombatType\r
 260         {\r
 261             AtOnce,\r
 262             ByTurn,\r
 263             Support,\r
 264             Aircraft,\r
 265             AirBase\r
 266         }\r
 267 \r
 268         private class Phase\r
 269         {\r
 270             public string Api { get; }\r
 271             public CombatType Type { get; }\r
 272             public string Name { get; }\r
 273 \r
 274             public Phase(string api, CombatType type, string name = "")\r
 275             {\r
 276                 Api = api;\r
 277                 Type = type;\r
 278                 Name = name;\r
 279             }\r
 280         }\r
 281 \r
 282         private void CalcDamage(dynamic json)\r
 283         {\r
 284             AirBattleResults.Clear();\r
 285             var phases = new[]\r
 286             {\r
 287                 new Phase("air_base_injection", CombatType.Aircraft, "AB噴式"),\r
 288                 new Phase("injection_kouku", CombatType.Aircraft, "噴式"),\r
 289                 new Phase("air_base_attack", CombatType.AirBase),\r
 290                 new Phase("n_support_info", CombatType.Support),\r
 291                 new Phase("n_hougeki1", CombatType.ByTurn),\r
 292                 new Phase("n_hougeki2", CombatType.ByTurn),\r
 293                 new Phase("kouku", CombatType.Aircraft, "航空戦"),\r
 294                 new Phase("kouku2", CombatType.Aircraft, "航空戦2"),\r
 295                 new Phase("support_info", CombatType.Support),\r
 296                 new Phase("opening_taisen", CombatType.ByTurn),\r
 297                 new Phase("opening_atack", CombatType.AtOnce),\r
 298                 new Phase("hougeki", CombatType.ByTurn),\r
 299                 new Phase("hougeki1", CombatType.ByTurn),\r
 300                 new Phase("hougeki2", CombatType.ByTurn),\r
 301                 new Phase("hougeki3", CombatType.ByTurn),\r
 302                 new Phase("raigeki", CombatType.AtOnce)\r
 303             };\r
 304             foreach (var phase in phases)\r
 305                 CalcDamageByType(json, phase);\r
 306         }\r
 307 \r
 308         private void CalcDamageByType(dynamic json, Phase phase)\r
 309         {\r
 310             var api = "api_" + phase.Api;\r
 311             if (!json.IsDefined(api) || json[api] == null)\r
 312                 return;\r
 313             switch (phase.Type)\r
 314             {\r
 315                 case CombatType.AtOnce:\r
 316                     CalcDamageAtOnce(json[api]);\r
 317                     break;\r
 318                 case CombatType.ByTurn:\r
 319                     CalcDamageByTurn(json[api]);\r
 320                     break;\r
 321                 case CombatType.Support:\r
 322                     CalcSupportDamage(json[api]);\r
 323                     break;\r
 324                 case CombatType.Aircraft:\r
 325                     AddAirBattleResult(json[api], phase.Name);\r
 326                     CalcKoukuDamage(json[api]);\r
 327                     break;\r
 328                 case CombatType.AirBase:\r
 329                     CalcAirBaseAttackDamage(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 = (int[][])json.api_df_list;\r
 446             var damages = (int[][])json.api_damage;\r
 447             var eflags = (int[])json.api_at_eflag;\r
 448 \r
 449             for (var i = 0; i < eflags.Length; i++)\r
 450             {\r
 451                 // 一度に複数の目標を狙う攻撃はないものと仮定する\r
 452                 var hit = new {t = targets[i][0], d = damages[i].Sum()};\r
 453                 if (hit.t == -1)\r
 454                     continue;\r
 455                 if (eflags[i] == 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         public void InspectMapStart(dynamic json)\r
 481         {\r
 482             InspectMapNext(json);\r
 483         }\r
 484 \r
 485         public void InspectMapNext(dynamic json)\r
 486         {\r
 487             _lastCell = (int)json.api_next == 0;\r
 488         }\r
 489 \r
 490         public void InspectBattleResult(dynamic json)\r
 491         {\r
 492             BattleState = BattleState.Result;\r
 493             ShowResult(!_lastCell);\r
 494             _shipInfo.SaveBattleResult();\r
 495             VerifyResultRank(json);\r
 496             CleanupResult();\r
 497             SetEscapeShips(json);\r
 498         }\r
 499 \r
 500 \r
 501 \r
 502         private void VerifyResultRank(dynamic json)\r
 503         {\r
 504             if (_friend == null)\r
 505                 return;\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             DisplayedResultRank.Assumed = assumed;\r
 513             DisplayedResultRank.Actual = 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 CauseEscape()\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 }