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 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 RankPair DisplayedResultRank { get; } = new RankPair();\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 class RankPair\r
  75         {\r
  76             public char Assumed { get; set; }\r
  77             public char Actual { get; set; }\r
  78             public bool IsError => Assumed != Actual;\r
  79         }\r
  80 \r
  81         public BattleInfo(ShipInfo shipInfo, ItemInfo itemInfo)\r
  82         {\r
  83             _shipInfo = shipInfo;\r
  84             _itemInfo = itemInfo;\r
  85         }\r
  86 \r
  87         public void InspectBattle(string url, string request, dynamic json)\r
  88         {\r
  89             Formation = FormationName(json);\r
  90             AirControlLevel = CheckAirControlLevel(json);\r
  91             ShowResult(false); // 昼戦の結果を夜戦のときに表示する\r
  92             SetupResult(request, json);\r
  93             EnemyFighterPower = CalcEnemyFighterPower(json);\r
  94             BattleState = IsNightBattle(json) ? BattleState.Night : BattleState.Day;\r
  95             CalcDamage(json);\r
  96             ClearEnemyOverKill();\r
  97             ResultRank = url.EndsWith("ld_airbattle") ? CalcLdAirBattleRank() : CalcResultRank();\r
  98         }\r
  99 \r
 100         private void ClearEnemyOverKill()\r
 101         {\r
 102             _enemyHp = _enemyHp.Select(hp => hp < 0 ? 0 : hp).ToArray();\r
 103             _enemyGuardHp = _enemyGuardHp.Select(hp => hp < 0 ? 0 : hp).ToArray();\r
 104         }\r
 105 \r
 106         private bool IsNightBattle(dynamic json) => json.api_hougeki();\r
 107 \r
 108         public static int DeckId(dynamic json)\r
 109         {\r
 110             if (json.api_dock_id()) // 昼戦はtypoしている\r
 111                 return (int)json.api_dock_id - 1;\r
 112             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
 113                 return int.Parse(json.api_deck_id) - 1;\r
 114             return (int)json.api_deck_id - 1;\r
 115         }\r
 116 \r
 117         private string FormationName(dynamic json)\r
 118         {\r
 119             if (!json.api_formation()) // 演習の夜戦\r
 120                 return "";\r
 121             switch ((int)json.api_formation[2])\r
 122             {\r
 123                 case 1:\r
 124                     return "同航戦";\r
 125                 case 2:\r
 126                     return "反航戦";\r
 127                 case 3:\r
 128                     return "T字有利";\r
 129                 case 4:\r
 130                     return "T字不利";\r
 131             }\r
 132             return "";\r
 133         }\r
 134 \r
 135         private void SetupResult(string request, dynamic json)\r
 136         {\r
 137             if (_friend != null)\r
 138                 return;\r
 139             _shipInfo.SaveBattleStartStatus();\r
 140             _fleet = DeckId(json);\r
 141             var fstats = _shipInfo.GetShipStatuses(_fleet);\r
 142             FlagshipRecovery(request, 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(string request, ShipStatus flagship)\r
 167         {\r
 168             var type = int.Parse(HttpUtility.ParseQueryString(request)["api_recovery_type"] ?? "0");\r
 169             switch (type)\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 (type != 0)\r
 183                 _shipInfo.SetBadlyDamagedShips();\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 enum CombatType\r
 252         {\r
 253             AtOnce,\r
 254             ByTurn,\r
 255             Support,\r
 256             Aircraft,\r
 257             AirBase\r
 258         }\r
 259 \r
 260         private class Phase\r
 261         {\r
 262             public string Api { get; }\r
 263             public CombatType Type { get; }\r
 264             public string Name { get; }\r
 265 \r
 266             public Phase(string api, CombatType type, string name = "")\r
 267             {\r
 268                 Api = api;\r
 269                 Type = type;\r
 270                 Name = name;\r
 271             }\r
 272         }\r
 273 \r
 274         private void CalcDamage(dynamic json)\r
 275         {\r
 276             AirBattleResults.Clear();\r
 277             var phases = new[]\r
 278             {\r
 279                 new Phase("air_base_injection", CombatType.Aircraft, "AB噴式"),\r
 280                 new Phase("injection_kouku", CombatType.Aircraft, "噴式"),\r
 281                 new Phase("air_base_attack", CombatType.AirBase),\r
 282                 new Phase("n_support_info", CombatType.Support),\r
 283                 new Phase("n_hougeki1", CombatType.ByTurn),\r
 284                 new Phase("n_hougeki2", CombatType.ByTurn),\r
 285                 new Phase("kouku", CombatType.Aircraft, "航空戦"),\r
 286                 new Phase("kouku2", CombatType.Aircraft, "航空戦2"),\r
 287                 new Phase("support_info", CombatType.Support),\r
 288                 new Phase("opening_taisen", CombatType.ByTurn),\r
 289                 new Phase("opening_atack", CombatType.AtOnce),\r
 290                 new Phase("hougeki", CombatType.ByTurn),\r
 291                 new Phase("hougeki1", CombatType.ByTurn),\r
 292                 new Phase("hougeki2", CombatType.ByTurn),\r
 293                 new Phase("hougeki3", CombatType.ByTurn),\r
 294                 new Phase("raigeki", CombatType.AtOnce)\r
 295             };\r
 296             foreach (var phase in phases)\r
 297                 CalcDamageByType(json, phase);\r
 298         }\r
 299 \r
 300         private void CalcDamageByType(dynamic json, Phase phase)\r
 301         {\r
 302             var api = "api_" + phase.Api;\r
 303             if (!json.IsDefined(api) || json[api] == null)\r
 304                 return;\r
 305             switch (phase.Type)\r
 306             {\r
 307                 case CombatType.AtOnce:\r
 308                     CalcDamageAtOnce(json[api]);\r
 309                     break;\r
 310                 case CombatType.ByTurn:\r
 311                     CalcDamageByTurn(json[api]);\r
 312                     break;\r
 313                 case CombatType.Support:\r
 314                     CalcSupportDamage(json[api]);\r
 315                     break;\r
 316                 case CombatType.Aircraft:\r
 317                     AddAirBattleResult(json[api], phase.Name);\r
 318                     CalcKoukuDamage(json[api]);\r
 319                     break;\r
 320                 case CombatType.AirBase:\r
 321                     CalcAirBaseAttackDamage(json[api]);\r
 322                     break;\r
 323             }\r
 324         }\r
 325 \r
 326         private void CalcSupportDamage(dynamic json)\r
 327         {\r
 328             if (json.api_support_hourai != null)\r
 329             {\r
 330                 CalcDamageAtOnce(json.api_support_hourai.api_damage, _enemyHp, _enemyGuardHp);\r
 331             }\r
 332             else if (json.api_support_airatack != null)\r
 333             {\r
 334                 CalcDamageAtOnce(json.api_support_airatack.api_stage3.api_edam, _enemyHp, _enemyGuardHp);\r
 335             }\r
 336         }\r
 337 \r
 338         private void CalcAirBaseAttackDamage(dynamic json)\r
 339         {\r
 340             var i = 1;\r
 341             foreach (var entry in json)\r
 342             {\r
 343                 AddAirBattleResult(entry, "基地" + i++);\r
 344                 CalcKoukuDamage(entry);\r
 345             }\r
 346         }\r
 347 \r
 348         private void AddAirBattleResult(dynamic json, string phaseName)\r
 349         {\r
 350             var stage1 = json.api_stage1;\r
 351             if (stage1 == null || (stage1.api_f_count == 0 && stage1.api_e_count == 0))\r
 352                 return;\r
 353             AirBattleResults.Add(new AirBattleResult\r
 354             {\r
 355                 PhaseName = phaseName,\r
 356                 AirControlLevel = json.api_stage1.api_disp_seiku() ? (int)json.api_stage1.api_disp_seiku : 0,\r
 357                 Stage1 = new AirBattleResult.StageResult\r
 358                 {\r
 359                     FriendCount = (int)json.api_stage1.api_f_count,\r
 360                     FriendLost = (int)json.api_stage1.api_f_lostcount,\r
 361                     EnemyCount = (int)json.api_stage1.api_e_count,\r
 362                     EnemyLost = (int)json.api_stage1.api_e_lostcount\r
 363                 },\r
 364                 Stage2 = json.api_stage2 == null\r
 365                     ? new AirBattleResult.StageResult\r
 366                     {\r
 367                         FriendCount = 0,\r
 368                         FriendLost = 0,\r
 369                         EnemyCount = 0,\r
 370                         EnemyLost = 0\r
 371                     }\r
 372                     : new AirBattleResult.StageResult\r
 373                     {\r
 374                         FriendCount = (int)json.api_stage2.api_f_count,\r
 375                         FriendLost = (int)json.api_stage2.api_f_lostcount,\r
 376                         EnemyCount = (int)json.api_stage2.api_e_count,\r
 377                         EnemyLost = (int)json.api_stage2.api_e_lostcount\r
 378                     }\r
 379             });\r
 380         }\r
 381 \r
 382         private void CalcKoukuDamage(dynamic json)\r
 383         {\r
 384             if (json.api_stage3() && json.api_stage3 != null)\r
 385                 CalcDamageAtOnce(json.api_stage3, _friend, _enemyHp);\r
 386             if (json.api_stage3_combined() && json.api_stage3_combined != null)\r
 387                 CalcDamageAtOnce(json.api_stage3_combined, _guard, _enemyGuardHp);\r
 388         }\r
 389 \r
 390         private void CalcDamageAtOnce(dynamic json)\r
 391         {\r
 392             CalcDamageAtOnce(json, _friend, _guard, _enemyHp, _enemyGuardHp);\r
 393         }\r
 394 \r
 395         private void CalcDamageAtOnce(dynamic json, Record[] friend, int[] enemy)\r
 396         {\r
 397             CalcDamageAtOnce(json, friend, null, enemy, null);\r
 398         }\r
 399 \r
 400         private void CalcDamageAtOnce(dynamic json, Record[] friend, Record[] guard, int[] enemy, int[] enemyGuard)\r
 401         {\r
 402             if (json.api_fdam() && json.api_fdam != null)\r
 403                 CalcDamageAtOnce(json.api_fdam, friend, guard);\r
 404             if (json.api_edam() && json.api_edam != null)\r
 405                 CalcDamageAtOnce(json.api_edam, enemy, enemyGuard);\r
 406         }\r
 407 \r
 408         private void CalcDamageAtOnce(dynamic rawDamage, Record[] friend, Record[] guard = null)\r
 409         {\r
 410             var damage = (int[])rawDamage;\r
 411             for (var i = 0; i < friend.Length; i++)\r
 412                 friend[i].ApplyDamage(damage[i]);\r
 413             if (guard == null)\r
 414                 return;\r
 415             for (var i = 0; i < guard.Length; i++)\r
 416                 guard[i].ApplyDamage(damage[i + 6]);\r
 417         }\r
 418 \r
 419         private void CalcDamageAtOnce(dynamic rawDamage, int[] enemy, int[] enemyGuard = null)\r
 420         {\r
 421             var damage = (int[])rawDamage;\r
 422             for (var i = 0; i < enemy.Length; i++)\r
 423                 enemy[i] -= damage[i];\r
 424             if (enemyGuard == null)\r
 425                 return;\r
 426             for (var i = 0; i < enemyGuard.Length; i++)\r
 427                 enemyGuard[i] -= damage[i + 6];\r
 428         }\r
 429 \r
 430         private void CalcDamageByTurn(dynamic json)\r
 431         {\r
 432             if (!(json.api_df_list() && json.api_df_list != null &&\r
 433                   json.api_damage() && json.api_damage != null &&\r
 434                   json.api_at_eflag() && json.api_at_eflag != null))\r
 435                 return;\r
 436 \r
 437             var targets = (int[][])json.api_df_list;\r
 438             var damages = (int[][])json.api_damage;\r
 439             var eflags = (int[])json.api_at_eflag;\r
 440 \r
 441             for (var i = 0; i < eflags.Length; i++)\r
 442             {\r
 443                 // 一度に複数の目標を狙う攻撃はないものと仮定する\r
 444                 var hit = new {t = targets[i][0], d = damages[i].Sum(d => d >= 0 ? d : 0)};\r
 445                 if (hit.t == -1)\r
 446                     continue;\r
 447                 if (eflags[i] == 1)\r
 448                 {\r
 449                     if (hit.t < _friend.Length)\r
 450                     {\r
 451                         _friend[hit.t].ApplyDamage(hit.d);\r
 452                     }\r
 453                     else\r
 454                     {\r
 455                         _guard[hit.t - 6].ApplyDamage(hit.d);\r
 456                     }\r
 457                 }\r
 458                 else\r
 459                 {\r
 460                     if (hit.t < _enemyHp.Length)\r
 461                     {\r
 462                         _enemyHp[hit.t] -= hit.d;\r
 463                     }\r
 464                     else\r
 465                     {\r
 466                         _enemyGuardHp[hit.t - 6] -= hit.d;\r
 467                     }\r
 468                 }\r
 469             }\r
 470         }\r
 471 \r
 472         public void InspectMapStart(dynamic json)\r
 473         {\r
 474             InspectMapNext(json);\r
 475         }\r
 476 \r
 477         public void InspectMapNext(dynamic json)\r
 478         {\r
 479             _lastCell = (int)json.api_next == 0;\r
 480         }\r
 481 \r
 482         public void InspectBattleResult(dynamic json)\r
 483         {\r
 484             BattleState = BattleState.Result;\r
 485             ShowResult(!_lastCell);\r
 486             _shipInfo.SaveBattleResult();\r
 487             VerifyResultRank(json);\r
 488             CleanupResult();\r
 489             SetEscapeShips(json);\r
 490         }\r
 491 \r
 492 \r
 493         private void VerifyResultRank(dynamic json)\r
 494         {\r
 495             if (_friend == null)\r
 496                 return;\r
 497             if (!json.api_win_rank())\r
 498                 return;\r
 499             var assumed = "PSABCDE"[(int)ResultRank];\r
 500             if (assumed == 'P')\r
 501                 assumed = 'S';\r
 502             var actual = ((string)json.api_win_rank)[0];\r
 503             DisplayedResultRank.Assumed = assumed;\r
 504             DisplayedResultRank.Actual = actual;\r
 505         }\r
 506 \r
 507         public void InspectPracticeResult(dynamic json)\r
 508         {\r
 509             BattleState = BattleState.Result;\r
 510             ShowResult(false);\r
 511             CleanupResult();\r
 512         }\r
 513 \r
 514         private void ShowResult(bool warnDamagedShip = true)\r
 515         {\r
 516             if (_friend == null)\r
 517                 return;\r
 518             var ships = _guard.Length > 0\r
 519                 ? _shipInfo.GetShipStatuses(0).Concat(_shipInfo.GetShipStatuses(1)).ToArray()\r
 520                 : _shipInfo.GetShipStatuses(_fleet);\r
 521             foreach (var entry in ships.Zip(_friend.Concat(_guard), (ship, now) => new {ship, now}))\r
 522                 entry.now.UpdateShipStatus(entry.ship);\r
 523             if (warnDamagedShip)\r
 524                 _shipInfo.SetBadlyDamagedShips();\r
 525             else\r
 526                 _shipInfo.ClearBadlyDamagedShips();\r
 527             SetEnemyResultStatus();\r
 528         }\r
 529 \r
 530         private void SetEnemyResultStatus()\r
 531         {\r
 532             for (var i = 0; i < _enemyHp.Length; i++)\r
 533             {\r
 534                 EnemyResultStatus[i].MaxHp = _enemyStartHp[i];\r
 535                 EnemyResultStatus[i].NowHp = _enemyHp[i];\r
 536             }\r
 537             for (var i = 0; i < _enemyGuardHp.Length; i++)\r
 538             {\r
 539                 EnemyGuardResultStatus[i].MaxHp = _enemyGuardStartHp[i];\r
 540                 EnemyGuardResultStatus[i].NowHp = _enemyGuardHp[i];\r
 541             }\r
 542         }\r
 543 \r
 544         public void SetEscapeShips(dynamic json)\r
 545         {\r
 546             _escapingShips.Clear();\r
 547             if (!json.api_escape_flag() || (int)json.api_escape_flag == 0)\r
 548                 return;\r
 549             var damaged = (int)json.api_escape.api_escape_idx[0] - 1;\r
 550             if (json.api_escape.api_tow_idx())\r
 551             {\r
 552                 _escapingShips.Add(_shipInfo.GetDeck(damaged / 6)[damaged % 6]);\r
 553                 var escort = (int)json.api_escape.api_tow_idx[0] - 1;\r
 554                 _escapingShips.Add(_shipInfo.GetDeck(escort / 6)[escort % 6]);\r
 555             }\r
 556             else\r
 557             {\r
 558                 _escapingShips.Add(_shipInfo.GetDeck(2)[damaged]);\r
 559             }\r
 560         }\r
 561 \r
 562         public void CauseEscape()\r
 563         {\r
 564             _shipInfo.SetEscapedShips(_escapingShips);\r
 565             _shipInfo.SetBadlyDamagedShips();\r
 566         }\r
 567 \r
 568         private class Record\r
 569         {\r
 570             private ShipStatus _status;\r
 571             public int NowHp => _status.NowHp;\r
 572             public bool Escaped => _status.Escaped;\r
 573             public ShipStatus.Damage DamageLevel => _status.DamageLevel;\r
 574             public int StartHp;\r
 575 \r
 576             public static Record[] Setup(ShipStatus[] ships) =>\r
 577                 (from s in ships select new Record {_status = (ShipStatus)s.Clone(), StartHp = s.NowHp}).ToArray();\r
 578 \r
 579             public void ApplyDamage(int damage)\r
 580             {\r
 581                 if (_status.NowHp > damage)\r
 582                 {\r
 583                     _status.NowHp -= damage;\r
 584                     return;\r
 585                 }\r
 586                 _status.NowHp = 0;\r
 587                 foreach (var item in new[] {_status.SlotEx}.Concat(_status.Slot))\r
 588                 {\r
 589                     if (item.Spec.Id == 42)\r
 590                     {\r
 591                         _status.NowHp = (int)(_status.MaxHp * 0.2);\r
 592                         ConsumeSlotItem(_status, 42);\r
 593                         break;\r
 594                     }\r
 595                     if (item.Spec.Id == 43)\r
 596                     {\r
 597                         _status.NowHp = _status.MaxHp;\r
 598                         ConsumeSlotItem(_status, 43);\r
 599                         break;\r
 600                     }\r
 601                 }\r
 602             }\r
 603 \r
 604             public void UpdateShipStatus(ShipStatus ship)\r
 605             {\r
 606                 ship.NowHp = NowHp;\r
 607                 ship.Slot = _status.Slot;\r
 608                 ship.SlotEx = _status.SlotEx;\r
 609             }\r
 610         }\r
 611 \r
 612         private BattleResultRank CalcLdAirBattleRank()\r
 613         {\r
 614             var combined = _friend.Concat(_guard).ToArray();\r
 615             var friendNowShips = combined.Count(r => r.NowHp > 0);\r
 616             var friendGauge = combined.Sum(r => r.StartHp - r.NowHp);\r
 617             var friendSunk = combined.Count(r => r.NowHp == 0);\r
 618             var friendGaugeRate = Floor((double)friendGauge / combined.Sum(r => r.StartHp) * 100);\r
 619 \r
 620             if (friendSunk == 0)\r
 621             {\r
 622                 if (friendGauge == 0)\r
 623                     return BattleResultRank.P;\r
 624                 if (friendGaugeRate < 10)\r
 625                     return BattleResultRank.A;\r
 626                 if (friendGaugeRate < 20)\r
 627                     return BattleResultRank.B;\r
 628                 if (friendGaugeRate < 50)\r
 629                     return BattleResultRank.C;\r
 630                 return BattleResultRank.D;\r
 631             }\r
 632             if (friendSunk < friendNowShips)\r
 633                 return BattleResultRank.D;\r
 634             return BattleResultRank.E;\r
 635         }\r
 636 \r
 637         private BattleResultRank CalcResultRank()\r
 638         {\r
 639             var friend = _friend.Concat(_guard).ToArray();\r
 640             var enemyHp = _enemyHp.Concat(_enemyGuardHp).ToArray();\r
 641             var enemyStartHp = _enemyStartHp.Concat(_enemyGuardStartHp).ToArray();\r
 642 \r
 643             var friendCount = friend.Length;\r
 644             var friendStartHpTotal = 0;\r
 645             var friendNowHpTotal = 0;\r
 646             var friendSunk = 0;\r
 647             foreach (var ship in friend)\r
 648             {\r
 649                 if (ship.Escaped)\r
 650                     continue;\r
 651                 friendStartHpTotal += ship.StartHp;\r
 652                 friendNowHpTotal += ship.NowHp;\r
 653                 if (ship.NowHp == 0)\r
 654                     friendSunk++;\r
 655             }\r
 656             var friendGaugeRate = (int)((double)(friendStartHpTotal - friendNowHpTotal) / friendStartHpTotal * 100);\r
 657 \r
 658             var enemyCount = enemyHp.Length;\r
 659             var enemyStartHpTotal = enemyStartHp.Sum();\r
 660             var enemyNowHpTotal = enemyHp.Sum();\r
 661             var enemySunk = enemyHp.Count(hp => hp == 0);\r
 662             var enemyGaugeRate = (int)((double)(enemyStartHpTotal - enemyNowHpTotal) / enemyStartHpTotal * 100);\r
 663 \r
 664             if (friendSunk == 0 && enemySunk == enemyCount)\r
 665             {\r
 666                 if (friendNowHpTotal >= friendStartHpTotal)\r
 667                     return BattleResultRank.P;\r
 668                 return BattleResultRank.S;\r
 669             }\r
 670             if (friendSunk == 0 && enemySunk >= (int)(enemyCount * 0.7) && enemyCount > 1)\r
 671                 return BattleResultRank.A;\r
 672             if (friendSunk < enemySunk && enemyHp[0] == 0)\r
 673                 return BattleResultRank.B;\r
 674             if (friendCount == 1 && friend[0].DamageLevel == ShipStatus.Damage.Badly)\r
 675                 return BattleResultRank.D;\r
 676             if (enemyGaugeRate > friendGaugeRate * 2.5)\r
 677                 return BattleResultRank.B;\r
 678             if (enemyGaugeRate > friendGaugeRate * 0.9)\r
 679                 return BattleResultRank.C;\r
 680             if (friendCount > 1 && friendCount - 1 == friendSunk)\r
 681                 return BattleResultRank.E;\r
 682             return BattleResultRank.D;\r
 683         }\r
 684     }\r
 685 }