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 BattleInfo\r
  41     {\r
  42         private readonly ShipInfo _shipInfo;\r
  43         private readonly ItemInfo _itemInfo;\r
  44         private int _fleet;\r
  45         private Record[] _friend;\r
  46         private Record[] _guard;\r
  47         private int[] _enemyHp;\r
  48         private int[] _enemyGuardHp;\r
  49         private int[] _enemyStartHp;\r
  50         private int[] _enemyGuardStartHp;\r
  51         private readonly List<int> _escapingShips = new List<int>();\r
  52         private int _flagshipRecoveryType;\r
  53 \r
  54         public BattleState BattleState { get; set; }\r
  55         public string Formation { get; private set; }\r
  56         public string EnemyFighterPower { get; private set; }\r
  57         public int AirControlLevel { get; private set; }\r
  58         public BattleResultRank ResultRank { get; private set; }\r
  59         public ShipStatus[] EnemyResultStatus { get; private set; }\r
  60         public List<AirBattleResult> AirBattleResults { get; } = new List<AirBattleResult>();\r
  61 \r
  62 \r
  63         public BattleInfo(ShipInfo shipInfo, ItemInfo itemInfo)\r
  64         {\r
  65             _shipInfo = shipInfo;\r
  66             _itemInfo = itemInfo;\r
  67         }\r
  68 \r
  69         public void InspectBattle(dynamic json, string url)\r
  70         {\r
  71             Formation = FormationName(json);\r
  72             EnemyFighterPower = CalcEnemyFighterPower(json);\r
  73             AirControlLevel = CheckAirControlLevel(json);\r
  74             ShowResult(false); // 昼戦の結果を夜戦のときに表示する\r
  75             SetupResult(json);\r
  76             if (IsNightBattle(json))\r
  77             {\r
  78                 BattleState = BattleState.Night;\r
  79                 CalcHougekiDamage(json.api_hougeki,\r
  80                     _guard.Length > 0 ? _guard : _friend,\r
  81                     json.api_active_deck() && json.api_active_deck[1] != 1 ? _enemyGuardHp : _enemyHp);\r
  82             }\r
  83             else\r
  84             {\r
  85                 BattleState = BattleState.Day;\r
  86                 CalcDamage(json, url.EndsWith("battle_water"));\r
  87             }\r
  88             ClearEnemyOverKill();\r
  89             ResultRank = url.EndsWith("ld_airbattle") ? CalcLdAirBattleRank() : CalcResultRank();\r
  90         }\r
  91 \r
  92         private void ClearEnemyOverKill()\r
  93         {\r
  94             _enemyHp = _enemyHp.Select(hp => hp < 0 ? 0 : hp).ToArray();\r
  95             _enemyGuardHp = _enemyGuardHp.Select(hp => hp < 0 ? 0 : hp).ToArray();\r
  96         }\r
  97 \r
  98         public void InspectMapNext(string request)\r
  99         {\r
 100             var type = HttpUtility.ParseQueryString(request)["api_recovery_type"];\r
 101             if (type == null)\r
 102                 return;\r
 103             _flagshipRecoveryType = int.Parse(type);\r
 104         }\r
 105 \r
 106         private bool IsNightBattle(dynamic json) => json.api_hougeki();\r
 107 \r
 108         private 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(dynamic json)\r
 136         {\r
 137             if (_friend != null)\r
 138                 return;\r
 139             var nowhps = (int[])json.api_nowhps;\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 = nowhps.Skip(7).TakeWhile(hp => hp != -1).ToArray();\r
 145             _enemyStartHp = (int[])_enemyHp.Clone();\r
 146             EnemyResultStatus =\r
 147             (from id in (int[])json.api_ship_ke\r
 148                 where id != -1\r
 149                 select new ShipStatus {Id = id, Spec = _shipInfo.GetSpec(id)}).ToArray();\r
 150             _guard = new Record[0];\r
 151             _enemyGuardHp = new int[0];\r
 152             _enemyGuardStartHp = new int[0];\r
 153             if (!json.api_nowhps_combined())\r
 154                 return;\r
 155             var combined = (int[])json.api_nowhps_combined;\r
 156             if (combined[1] != -1) // 味方が連合艦隊\r
 157                 _guard = Record.Setup(_shipInfo.GetShipStatuses(1));\r
 158             if (combined.Length > 7) // 敵が連合艦隊\r
 159             {\r
 160                 _enemyGuardHp =\r
 161                     ((int[])json.api_nowhps_combined).\r
 162                         Skip(7).TakeWhile(hp => hp != -1).ToArray();\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         }\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 string CalcEnemyFighterPower(dynamic json)\r
 222         {\r
 223             var missing = "";\r
 224             var maxEq = ((int[])json.api_ship_ke).Skip(1).SelectMany(id =>\r
 225             {\r
 226                 var r = _shipInfo.GetSpec(id).MaxEq;\r
 227                 if (r != null)\r
 228                     return r;\r
 229                 missing = "+";\r
 230                 return new int[5];\r
 231             }).ToArray();\r
 232             var equips = ((int[][])json.api_eSlot).SelectMany(x => x);\r
 233             return (from slot in equips.Zip(maxEq, (id, max) => new {id, max})\r
 234                        let spec = _itemInfo.GetSpecByItemId(slot.id)\r
 235                        where spec.CanAirCombat\r
 236                        select (int)Floor(spec.AntiAir * Sqrt(slot.max))).DefaultIfEmpty().Sum() + missing;\r
 237         }\r
 238 \r
 239         private void CalcDamage(dynamic json, bool surfaceFleet = false)\r
 240         {\r
 241             AirBattleResults.Clear();\r
 242             var fc = _guard.Length > 0;\r
 243             var ec = _enemyGuardHp.Length > 0;\r
 244             var both = fc && ec;\r
 245             if (json.api_air_base_injection())\r
 246             {\r
 247                 AddAirBattleResult(json.api_air_base_injection, "AB噴式");\r
 248                 CalcKoukuDamage(json.api_air_base_injection);\r
 249             }\r
 250             if (json.api_injection_kouku())\r
 251             {\r
 252                 AddAirBattleResult(json.api_injection_kouku, "噴式");\r
 253                 CalcKoukuDamage(json.api_injection_kouku);\r
 254             }\r
 255             if (json.api_air_base_attack())\r
 256                 CalcAirBaseAttackDamage(json.api_air_base_attack);\r
 257             if (json.api_kouku())\r
 258             {\r
 259                 AddAirBattleResult(json.api_kouku, "航空戦");\r
 260                 CalcKoukuDamage(json.api_kouku);\r
 261             }\r
 262             if (json.api_kouku2()) // 航空戦2回目\r
 263             {\r
 264                 AddAirBattleResult(json.api_kouku2, "航空戦2");\r
 265                 CalcKoukuDamage(json.api_kouku2);\r
 266             }\r
 267             if (!json.api_opening_atack()) // 航空戦のみ\r
 268                 return;\r
 269             if (json.api_support_info() && json.api_support_info != null)\r
 270                 CalcSupportDamage(json.api_support_info);\r
 271             if (json.api_opening_taisen() && json.api_opening_taisen != null)\r
 272             {\r
 273                 CalcHougekiDamage(json.api_opening_taisen,\r
 274                     fc ? _guard : _friend, // 先制対潜攻撃の対象は護衛(たぶん)\r
 275                     _enemyHp);\r
 276             }\r
 277             if (json.api_opening_atack != null)\r
 278             {\r
 279                 if (both)\r
 280                 {\r
 281                     CalcSimpleDamage(json.api_opening_atack, _friend, _guard, _enemyHp, _enemyGuardHp);\r
 282                 }\r
 283                 else\r
 284                 {\r
 285                     CalcSimpleDamage(json.api_opening_atack,\r
 286                         fc ? _guard : _friend, // 雷撃の対象は護衛\r
 287                         _enemyHp, _enemyGuardHp);\r
 288                 }\r
 289             }\r
 290             if (json.api_hougeki1() && json.api_hougeki1 != null)\r
 291             {\r
 292                 if (json.api_hougeki1.api_at_eflag())\r
 293                 {\r
 294                     CalcCombinedHougekiDamage(json.api_hougeki1, _friend, _guard, _enemyHp, _enemyGuardHp);\r
 295                 }\r
 296                 else\r
 297                 {\r
 298                     CalcHougekiDamage(json.api_hougeki1,\r
 299                         fc && !surfaceFleet ? _guard : _friend, // 空母機動部隊は一巡目が護衛\r
 300                         ec ? _enemyGuardHp : _enemyHp); // 敵連合艦隊は一巡目が護衛\r
 301                 }\r
 302             }\r
 303             if (json.api_hougeki2() && json.api_hougeki2 != null)\r
 304             {\r
 305                 if (json.api_hougeki2.api_at_eflag())\r
 306                 {\r
 307                     CalcCombinedHougekiDamage(json.api_hougeki2, _friend, _guard, _enemyHp, _enemyGuardHp);\r
 308                 }\r
 309                 else\r
 310                 {\r
 311                     CalcHougekiDamage(json.api_hougeki2, _friend, _enemyHp);\r
 312                 }\r
 313             }\r
 314             if (json.api_hougeki3() && json.api_hougeki3 != null)\r
 315             {\r
 316                 if (json.api_hougeki3.api_at_eflag())\r
 317                 {\r
 318                     CalcCombinedHougekiDamage(json.api_hougeki3, _friend, _guard, _enemyHp, _enemyGuardHp);\r
 319                 }\r
 320                 else\r
 321                 {\r
 322                     CalcHougekiDamage(json.api_hougeki3,\r
 323                         fc && surfaceFleet ? _guard : _friend, // 水上打撃部隊は三順目が護衛\r
 324                         _enemyHp);\r
 325                 }\r
 326             }\r
 327             if (json.api_raigeki() && json.api_raigeki != null)\r
 328             {\r
 329                 if (both)\r
 330                 {\r
 331                     CalcSimpleDamage(json.api_raigeki, _friend, _guard, _enemyHp, _enemyGuardHp);\r
 332                 }\r
 333                 else\r
 334                 {\r
 335                     CalcSimpleDamage(json.api_raigeki,\r
 336                         fc ? _guard : _friend, // 雷撃の対象は護衛\r
 337                         _enemyHp, _enemyGuardHp);\r
 338                 }\r
 339             }\r
 340         }\r
 341 \r
 342         private void CalcSupportDamage(dynamic json)\r
 343         {\r
 344             if (json.api_support_hourai != null)\r
 345             {\r
 346                 CalcSimpleDamage(json.api_support_hourai.api_damage, _enemyHp, _enemyGuardHp);\r
 347             }\r
 348             else if (json.api_support_airatack != null)\r
 349             {\r
 350                 CalcKoukuDamage(json.api_support_airatack);\r
 351             }\r
 352         }\r
 353 \r
 354         private void CalcAirBaseAttackDamage(dynamic json)\r
 355         {\r
 356             var i = 1;\r
 357             foreach (var entry in json)\r
 358             {\r
 359                 AddAirBattleResult(entry, "基地" + i++);\r
 360                 CalcKoukuDamage(entry);\r
 361             }\r
 362         }\r
 363 \r
 364         private void AddAirBattleResult(dynamic json, string phaseName)\r
 365         {\r
 366             var stage1 = json.api_stage1;\r
 367             if (stage1 == null || (stage1.api_f_count == 0 && stage1.api_e_count == 0))\r
 368                 return;\r
 369             AirBattleResults.Add(new AirBattleResult\r
 370             {\r
 371                 PhaseName = phaseName,\r
 372                 AirControlLevel = json.api_stage1.api_disp_seiku() ? (int)json.api_stage1.api_disp_seiku : 0,\r
 373                 Stage1 = new AirBattleResult.StageResult\r
 374                 {\r
 375                     FriendCount = (int)json.api_stage1.api_f_count,\r
 376                     FriendLost = (int)json.api_stage1.api_f_lostcount,\r
 377                     EnemyCount = (int)json.api_stage1.api_e_count,\r
 378                     EnemyLost = (int)json.api_stage1.api_e_lostcount\r
 379                 },\r
 380                 Stage2 = json.api_stage2 == null\r
 381                     ? new AirBattleResult.StageResult\r
 382                     {\r
 383                         FriendCount = 0,\r
 384                         FriendLost = 0,\r
 385                         EnemyCount = 0,\r
 386                         EnemyLost = 0\r
 387                     }\r
 388                     : new AirBattleResult.StageResult\r
 389                     {\r
 390                         FriendCount = (int)json.api_stage2.api_f_count,\r
 391                         FriendLost = (int)json.api_stage2.api_f_lostcount,\r
 392                         EnemyCount = (int)json.api_stage2.api_e_count,\r
 393                         EnemyLost = (int)json.api_stage2.api_e_lostcount\r
 394                     }\r
 395             });\r
 396         }\r
 397 \r
 398         private void CalcKoukuDamage(dynamic json)\r
 399         {\r
 400             if (!json.api_stage3() || json.api_stage3 == null)\r
 401                 return;\r
 402             CalcSimpleDamage(json.api_stage3, _friend, _enemyHp);\r
 403             if (json.api_stage3_combined())\r
 404                 CalcSimpleDamage(json.api_stage3_combined, _guard, _enemyGuardHp);\r
 405         }\r
 406 \r
 407         private void CalcSimpleDamage(dynamic json, Record[] friend, int[] enemy)\r
 408         {\r
 409             if (json.api_fdam())\r
 410                 CalcSimpleDamage(json.api_fdam, friend);\r
 411             if (json.api_edam())\r
 412                 CalcSimpleDamage(json.api_edam, enemy);\r
 413         }\r
 414 \r
 415         private void CalcSimpleDamage(dynamic json, Record[] friend, int[] enemy, int[] enemyGuard)\r
 416         {\r
 417             CalcSimpleDamage(json.api_fdam, friend);\r
 418             CalcSimpleDamage(json.api_edam, enemy, enemyGuard);\r
 419         }\r
 420 \r
 421         private void CalcSimpleDamage(dynamic json, Record[] friend, Record[] guard, int[] enemy, int[] enemyGuard)\r
 422         {\r
 423             CalcSimpleDamage(json.api_fdam, friend, guard);\r
 424             CalcSimpleDamage(json.api_edam, enemy, enemyGuard);\r
 425         }\r
 426 \r
 427         private void CalcSimpleDamage(dynamic rawDamage, Record[] friend, Record[] guard)\r
 428         {\r
 429             var damage = (int[])rawDamage;\r
 430             for (var i = 0; i < friend.Length; i++)\r
 431                 friend[i].ApplyDamage(damage[i + 1]);\r
 432             for (var i = 0; i < guard.Length; i++)\r
 433                 guard[i].ApplyDamage(damage[i + 6 + 1]);\r
 434         }\r
 435 \r
 436         private void CalcSimpleDamage(dynamic rawDamage, Record[] friend)\r
 437         {\r
 438             var damage = (int[])rawDamage;\r
 439             for (var i = 0; i < friend.Length; i++)\r
 440                 friend[i].ApplyDamage(damage[i + 1]);\r
 441         }\r
 442 \r
 443         private void CalcSimpleDamage(dynamic rawDamage, int[] enemy, int[] enemyGuard)\r
 444         {\r
 445             var damage = (int[])rawDamage;\r
 446             for (var i = 0; i < enemy.Length; i++)\r
 447                 enemy[i] -= damage[i + 1];\r
 448             for (var i = 0; i < enemyGuard.Length; i++)\r
 449                 enemyGuard[i] -= damage[i + 6 + 1];\r
 450         }\r
 451 \r
 452         private void CalcSimpleDamage(dynamic rawDamage, int[] result)\r
 453         {\r
 454             var damage = (int[])rawDamage;\r
 455             for (var i = 0; i < result.Length; i++)\r
 456                 result[i] -= damage[i + 1];\r
 457         }\r
 458 \r
 459         private void CalcHougekiDamage(dynamic hougeki, Record[] friend, int[] enemy)\r
 460         {\r
 461             var targets = ((dynamic[])hougeki.api_df_list).Skip(1).SelectMany(x => (int[])x);\r
 462             var damages = ((dynamic[])hougeki.api_damage).Skip(1).SelectMany(x => (int[])x);\r
 463             foreach (var hit in targets.Zip(damages, (t, d) => new {t, d}))\r
 464             {\r
 465                 if (hit.t == -1)\r
 466                     continue;\r
 467                 if (hit.t <= 6)\r
 468                     friend[hit.t - 1].ApplyDamage(hit.d);\r
 469                 else\r
 470                     enemy[(hit.t - 1) % 6] -= hit.d;\r
 471             }\r
 472         }\r
 473 \r
 474         private void CalcCombinedHougekiDamage(dynamic hougeki, Record[] friend, Record[] guard,\r
 475             int[] enemy, int[] enemyGuard)\r
 476         {\r
 477             var targets = ((dynamic[])hougeki.api_df_list).Skip(1).Select(x => (int[])x);\r
 478             var damages = ((dynamic[])hougeki.api_damage).Skip(1).Select(x => (int[])x);\r
 479             var eflags = ((int[])hougeki.api_at_eflag).Skip(1);\r
 480             foreach (var turn in\r
 481                 targets.Zip(damages, (t, d) => new {t, d}).\r
 482                     Zip(eflags, (td, e) => new {e, td.t, td.d}))\r
 483             {\r
 484                 foreach (var hit in turn.t.Zip(turn.d, (t, d) => new {t, d}))\r
 485                 {\r
 486                     if (turn.e == 1)\r
 487                     {\r
 488                         if (hit.t <= 6)\r
 489                             friend[hit.t - 1].ApplyDamage(hit.d);\r
 490                         else\r
 491                             guard[(hit.t - 1) % 6].ApplyDamage(hit.d);\r
 492                     }\r
 493                     else\r
 494                     {\r
 495                         if (hit.t <= 6)\r
 496                             enemy[hit.t - 1] -= hit.d;\r
 497                         else\r
 498                             enemyGuard[(hit.t - 1) % 6] -= hit.d;\r
 499                     }\r
 500                 }\r
 501             }\r
 502         }\r
 503 \r
 504         public void InspectBattleResult(dynamic json)\r
 505         {\r
 506             BattleState = BattleState.Result;\r
 507             ShowResult();\r
 508             CleanupResult();\r
 509             SetEscapeShips(json);\r
 510         }\r
 511 \r
 512         public void InspectPracticeResult(dynamic json)\r
 513         {\r
 514             BattleState = BattleState.Result;\r
 515             ShowResult(false);\r
 516             CleanupResult();\r
 517         }\r
 518 \r
 519         private void ShowResult(bool warnDamagedShip = true)\r
 520         {\r
 521             if (_friend == null)\r
 522                 return;\r
 523             var ships = _guard.Length > 0\r
 524                 ? _shipInfo.GetShipStatuses(0).Concat(_shipInfo.GetShipStatuses(1)).ToArray()\r
 525                 : _shipInfo.GetShipStatuses(_fleet);\r
 526             foreach (var entry in ships.Zip(_friend.Concat(_guard), (ship, now) => new {ship, now}))\r
 527                 entry.now.UpdateShipStatus(entry.ship);\r
 528             if (warnDamagedShip)\r
 529                 _shipInfo.SetBadlyDamagedShips();\r
 530             else\r
 531                 _shipInfo.ClearBadlyDamagedShips();\r
 532             SetEnemyResultStatus();\r
 533         }\r
 534 \r
 535         private void SetEnemyResultStatus()\r
 536         {\r
 537             for (var i = 0; i < EnemyResultStatus.Length; i++)\r
 538             {\r
 539                 EnemyResultStatus[i].MaxHp = _enemyStartHp[i];\r
 540                 EnemyResultStatus[i].NowHp = _enemyHp[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             _escapingShips.Add(_shipInfo.GetDeck(damaged / 6)[damaged % 6]);\r
 551             var escort = (int)json.api_escape.api_tow_idx[0] - 1;\r
 552             _escapingShips.Add(_shipInfo.GetDeck(escort / 6)[escort % 6]);\r
 553         }\r
 554 \r
 555         public void CauseCombinedBattleEscape()\r
 556         {\r
 557             _shipInfo.SetEscapedShips(_escapingShips);\r
 558             _shipInfo.SetBadlyDamagedShips();\r
 559         }\r
 560 \r
 561         private class Record\r
 562         {\r
 563             private ShipStatus _status;\r
 564             public int NowHp => _status.NowHp;\r
 565             public bool Escaped => _status.Escaped;\r
 566             public ShipStatus.Damage DamageLevel => _status.DamageLevel;\r
 567             public int StartHp;\r
 568 \r
 569             public static Record[] Setup(ShipStatus[] ships) =>\r
 570                 (from s in ships select new Record {_status = (ShipStatus)s.Clone(), StartHp = s.NowHp}).ToArray();\r
 571 \r
 572             public void ApplyDamage(int damage)\r
 573             {\r
 574                 if (_status.NowHp > damage)\r
 575                 {\r
 576                     _status.NowHp -= damage;\r
 577                     return;\r
 578                 }\r
 579                 _status.NowHp = 0;\r
 580                 foreach (var item in new[] {_status.SlotEx}.Concat(_status.Slot))\r
 581                 {\r
 582                     if (item.Spec.Id == 42)\r
 583                     {\r
 584                         _status.NowHp = (int)(_status.MaxHp * 0.2);\r
 585                         ConsumeSlotItem(_status, 42);\r
 586                         break;\r
 587                     }\r
 588                     if (item.Spec.Id == 43)\r
 589                     {\r
 590                         _status.NowHp = _status.MaxHp;\r
 591                         ConsumeSlotItem(_status, 43);\r
 592                         break;\r
 593                     }\r
 594                 }\r
 595             }\r
 596 \r
 597             public void UpdateShipStatus(ShipStatus ship)\r
 598             {\r
 599                 ship.NowHp = NowHp;\r
 600                 ship.Slot = _status.Slot;\r
 601                 ship.SlotEx = _status.SlotEx;\r
 602             }\r
 603         }\r
 604 \r
 605         private BattleResultRank CalcLdAirBattleRank()\r
 606         {\r
 607             var combined = _friend.Concat(_guard).ToArray();\r
 608             var friendNowShips = combined.Count(r => r.NowHp > 0);\r
 609             var friendGauge = combined.Sum(r => r.StartHp - r.NowHp);\r
 610             var friendSunk = combined.Count(r => r.NowHp == 0);\r
 611             var friendGaugeRate = Floor((double)friendGauge / combined.Sum(r => r.StartHp) * 100);\r
 612 \r
 613             if (friendSunk == 0)\r
 614             {\r
 615                 if (friendGauge == 0)\r
 616                     return BattleResultRank.P;\r
 617                 if (friendGaugeRate < 10)\r
 618                     return BattleResultRank.A;\r
 619                 if (friendGaugeRate < 20)\r
 620                     return BattleResultRank.B;\r
 621                 if (friendGaugeRate < 50)\r
 622                     return BattleResultRank.C;\r
 623                 return BattleResultRank.D;\r
 624             }\r
 625             if (friendSunk < friendNowShips)\r
 626                 return BattleResultRank.D;\r
 627             return BattleResultRank.E;\r
 628         }\r
 629 \r
 630         private BattleResultRank CalcResultRank()\r
 631         {\r
 632             var friend = _friend.Concat(_guard).ToArray();\r
 633             var enemyHp = _enemyHp.Concat(_enemyGuardHp).ToArray();\r
 634             var enemyStartHp = _enemyStartHp.Concat(_enemyGuardStartHp).ToArray();\r
 635 \r
 636             var friendCount = friend.Length;\r
 637             var friendStartHpTotal = 0;\r
 638             var friendNowHpTotal = 0;\r
 639             var friendSunk = 0;\r
 640             foreach (var ship in friend)\r
 641             {\r
 642                 if (ship.Escaped)\r
 643                     continue;\r
 644                 friendStartHpTotal += ship.StartHp;\r
 645                 friendNowHpTotal += ship.NowHp;\r
 646                 if (ship.NowHp == 0)\r
 647                     friendSunk++;\r
 648             }\r
 649             var friendGaugeRate = (int)((double)(friendStartHpTotal - friendNowHpTotal) / friendStartHpTotal * 100);\r
 650 \r
 651             var enemyCount = enemyHp.Length;\r
 652             var enemyStartHpTotal = enemyStartHp.Sum();\r
 653             var enemyNowHpTotal = enemyHp.Sum();\r
 654             var enemySunk = enemyHp.Count(hp => hp == 0);\r
 655             var enemyGaugeRate = (int)((double)(enemyStartHpTotal - enemyNowHpTotal) / enemyStartHpTotal * 100);\r
 656 \r
 657             if (friendSunk == 0 && enemySunk == enemyCount)\r
 658             {\r
 659                 if (friendNowHpTotal >= friendStartHpTotal)\r
 660                     return BattleResultRank.P;\r
 661                 return BattleResultRank.S;\r
 662             }\r
 663             if (friendSunk == 0 && enemySunk >= (int)(enemyCount * 0.7) && enemyCount > 1)\r
 664                 return BattleResultRank.A;\r
 665             if (friendSunk < enemySunk && enemyHp[0] == 0)\r
 666                 return BattleResultRank.B;\r
 667             if (friendCount == 1 && friend[0].DamageLevel == ShipStatus.Damage.Badly)\r
 668                 return BattleResultRank.D;\r
 669             if (enemyGaugeRate > friendGaugeRate * 2.5)\r
 670                 return BattleResultRank.B;\r
 671             if (enemyGaugeRate > friendGaugeRate * 0.9)\r
 672                 return BattleResultRank.C;\r
 673             if (friendCount > 1 && friendCount - 1 == friendSunk)\r
 674                 return BattleResultRank.E;\r
 675             return BattleResultRank.D;\r
 676         }\r
 677     }\r
 678 }