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 class BattleInfo\r
  33     {\r
  34         private readonly ShipInfo _shipInfo;\r
  35         private readonly ItemInfo _itemInfo;\r
  36         private int _fleet;\r
  37         private Record[] _friend;\r
  38         private Record[] _guard;\r
  39         private int[] _enemyHp;\r
  40         private int[] _enemyGuardHp;\r
  41         private int[] _enemyStartHp;\r
  42         private int[] _enemyGuardStartHp;\r
  43         private readonly List<int> _escapingShips = new List<int>();\r
  44         private int _flagshipRecoveryType;\r
  45 \r
  46         public bool InBattle { get; set; }\r
  47         public string Formation { get; private set; }\r
  48         public string EnemyFighterPower { get; private set; }\r
  49         public int AirControlLevel { get; private set; }\r
  50         public BattleResultRank ResultRank { get; private set; }\r
  51         public ShipStatus[] EnemyResultStatus { get; private set; }\r
  52 \r
  53         public BattleInfo(ShipInfo shipInfo, ItemInfo itemInfo)\r
  54         {\r
  55             _shipInfo = shipInfo;\r
  56             _itemInfo = itemInfo;\r
  57         }\r
  58 \r
  59         public void InspectBattle(dynamic json, string url)\r
  60         {\r
  61             InBattle = true;\r
  62             Formation = FormationName(json);\r
  63             EnemyFighterPower = CalcEnemyFighterPower(json);\r
  64             AirControlLevel = CheckAirControlLevel(json);\r
  65             ShowResult(false); // 昼戦の結果を夜戦のときに表示する\r
  66             SetupResult(json);\r
  67             if (IsNightBattle(json))\r
  68             {\r
  69                 CalcHougekiDamage(json.api_hougeki,\r
  70                     _guard.Length > 0 ? _guard : _friend,\r
  71                     json.api_active_deck() && json.api_active_deck[1] != 1 ? _enemyGuardHp : _enemyHp);\r
  72             }\r
  73             else\r
  74             {\r
  75                 CalcDamage(json, url.EndsWith("battle_water"));\r
  76             }\r
  77             ClearEnemyOverKill();\r
  78             ResultRank = url.EndsWith("ld_airbattle") ? CalcLdAirBattleRank() : CalcResultRank();\r
  79         }\r
  80 \r
  81         private void ClearEnemyOverKill()\r
  82         {\r
  83             _enemyHp = _enemyHp.Select(hp => hp < 0 ? 0 : hp).ToArray();\r
  84             _enemyGuardHp = _enemyGuardHp.Select(hp => hp < 0 ? 0 : hp).ToArray();\r
  85         }\r
  86 \r
  87         public void InspectMapNext(string request)\r
  88         {\r
  89             var type = HttpUtility.ParseQueryString(request)["api_recovery_type"];\r
  90             if (type == null)\r
  91                 return;\r
  92             _flagshipRecoveryType = int.Parse(type);\r
  93         }\r
  94 \r
  95         private bool IsNightBattle(dynamic json) => json.api_hougeki();\r
  96 \r
  97         private int DeckId(dynamic json)\r
  98         {\r
  99             if (json.api_dock_id()) // 昼戦はtypoしている\r
 100                 return (int)json.api_dock_id - 1;\r
 101             if (json.api_deck_id is string) // 通常の夜戦では文字列\r
 102                 return int.Parse(json.api_deck_id) - 1;\r
 103             return (int)json.api_deck_id - 1;\r
 104         }\r
 105 \r
 106         private string FormationName(dynamic json)\r
 107         {\r
 108             if (!json.api_formation()) // 演習の夜戦\r
 109                 return "";\r
 110             switch ((int)json.api_formation[2])\r
 111             {\r
 112                 case 1:\r
 113                     return "同航戦";\r
 114                 case 2:\r
 115                     return "反航戦";\r
 116                 case 3:\r
 117                     return "T字有利";\r
 118                 case 4:\r
 119                     return "T字不利";\r
 120             }\r
 121             return "";\r
 122         }\r
 123 \r
 124         private void SetupResult(dynamic json)\r
 125         {\r
 126             if (_friend != null)\r
 127                 return;\r
 128             var nowhps = (int[])json.api_nowhps;\r
 129             _fleet = DeckId(json);\r
 130             var fstats = _shipInfo.GetShipStatuses(_fleet);\r
 131             FlagshipRecovery(fstats[0]);\r
 132             _friend = Record.Setup(fstats);\r
 133             _enemyHp = nowhps.Skip(7).TakeWhile(hp => hp != -1).ToArray();\r
 134             _enemyStartHp = (int[])_enemyHp.Clone();\r
 135             EnemyResultStatus =\r
 136             (from id in (int[])json.api_ship_ke\r
 137                 where id != -1\r
 138                 select new ShipStatus {Id = id, Spec = _shipInfo.GetSpec(id)}).ToArray();\r
 139             _guard = new Record[0];\r
 140             _enemyGuardHp = new int[0];\r
 141             _enemyGuardStartHp = new int[0];\r
 142             if (!json.api_nowhps_combined())\r
 143                 return;\r
 144             var combined = (int[])json.api_nowhps_combined;\r
 145             if (combined[1] != -1) // 味方が連合艦隊\r
 146                 _guard = Record.Setup(_shipInfo.GetShipStatuses(1));\r
 147             if (combined.Length > 7) // 敵が連合艦隊\r
 148             {\r
 149                 _enemyGuardHp =\r
 150                     ((int[])json.api_nowhps_combined).\r
 151                         Skip(7).TakeWhile(hp => hp != -1).ToArray();\r
 152                 _enemyGuardStartHp = (int[])_enemyGuardHp.Clone();\r
 153             }\r
 154         }\r
 155 \r
 156         private void FlagshipRecovery(ShipStatus flagship)\r
 157         {\r
 158             switch (_flagshipRecoveryType)\r
 159             {\r
 160                 case 0:\r
 161                     return;\r
 162                 case 1:\r
 163                     flagship.NowHp = flagship.MaxHp / 2;\r
 164                     ConsumeSlotItem(flagship, 42); // ダメコン\r
 165                     break;\r
 166                 case 2:\r
 167                     flagship.NowHp = flagship.MaxHp;\r
 168                     ConsumeSlotItem(flagship, 43); // 女神\r
 169                     break;\r
 170             }\r
 171             if (_flagshipRecoveryType != 0)\r
 172                 _shipInfo.SetBadlyDamagedShips();\r
 173             _flagshipRecoveryType = 0;\r
 174         }\r
 175 \r
 176         private static void ConsumeSlotItem(ShipStatus ship, int id)\r
 177         {\r
 178             if (ship.SlotEx.Spec.Id == id)\r
 179             {\r
 180                 ship.SlotEx = new ItemStatus();\r
 181                 return;\r
 182             }\r
 183             for (var i = 0; i < ship.Slot.Length; i++)\r
 184             {\r
 185                 if (ship.Slot[i].Spec.Id == id)\r
 186                 {\r
 187                     ship.Slot[i] = new ItemStatus();\r
 188                     break;\r
 189                 }\r
 190             }\r
 191         }\r
 192 \r
 193         public void CleanupResult()\r
 194         {\r
 195             _friend = null;\r
 196         }\r
 197 \r
 198         private int CheckAirControlLevel(dynamic json)\r
 199         {\r
 200             if (!json.api_kouku())\r
 201                 return -1;\r
 202             var stage1 = json.api_kouku.api_stage1;\r
 203             if (stage1 == null)\r
 204                 return -1;\r
 205             if (stage1.api_f_count == 0 && stage1.api_e_count == 0)\r
 206                 return -1;\r
 207             return (int)stage1.api_disp_seiku;\r
 208         }\r
 209 \r
 210         private string CalcEnemyFighterPower(dynamic json)\r
 211         {\r
 212             var missing = "";\r
 213             var maxEq = ((int[])json.api_ship_ke).Skip(1).SelectMany(id =>\r
 214             {\r
 215                 var r = _shipInfo.GetSpec(id).MaxEq;\r
 216                 if (r != null)\r
 217                     return r;\r
 218                 missing = "+";\r
 219                 return new int[5];\r
 220             }).ToArray();\r
 221             var equips = ((int[][])json.api_eSlot).SelectMany(x => x);\r
 222             return (from slot in equips.Zip(maxEq, (id, max) => new {id, max})\r
 223                        let spec = _itemInfo.GetSpecByItemId(slot.id)\r
 224                        where spec.CanAirCombat\r
 225                        select (int)Floor(spec.AntiAir * Sqrt(slot.max))).DefaultIfEmpty().Sum() + missing;\r
 226         }\r
 227 \r
 228         private void CalcDamage(dynamic json, bool surfaceFleet = false)\r
 229         {\r
 230             var fc = _guard.Length > 0;\r
 231             var ec = _enemyGuardHp.Length > 0;\r
 232             var both = fc && ec;\r
 233             if (json.api_air_base_attack())\r
 234                 CalcAirBaseAttackDamage(json.api_air_base_attack);\r
 235             if (json.api_kouku.api_stage3 != null)\r
 236                 CalcSimpleDamage(json.api_kouku.api_stage3, _friend, _enemyHp);\r
 237             if (json.api_kouku.api_stage3_combined() && json.api_kouku.api_stage3_combined != null)\r
 238                 CalcSimpleDamage(json.api_kouku.api_stage3_combined, _guard, _enemyGuardHp);\r
 239             if (json.api_kouku2()) // 航空戦2回目\r
 240             {\r
 241                 if (json.api_kouku2.api_stage3 != null)\r
 242                     CalcSimpleDamage(json.api_kouku2.api_stage3, _friend, _enemyHp);\r
 243                 if (json.api_kouku2.api_stage3_combined() && json.api_kouku2.api_stage3_combined != null)\r
 244                     CalcSimpleDamage(json.api_kouku2.api_stage3_combined, _guard, _enemyGuardHp);\r
 245             }\r
 246             if (!json.api_opening_atack()) // 航空戦のみ\r
 247                 return;\r
 248             if (json.api_support_info() && json.api_support_info != null)\r
 249                 CalcSupportDamage(json.api_support_info);\r
 250             if (json.api_opening_taisen() && json.api_opening_taisen != null)\r
 251             {\r
 252                 CalcHougekiDamage(json.api_opening_taisen,\r
 253                     fc ? _guard : _friend, // 先制対潜攻撃の対象は護衛(たぶん)\r
 254                     _enemyHp);\r
 255             }\r
 256             if (json.api_opening_atack != null)\r
 257             {\r
 258                 if (both)\r
 259                 {\r
 260                     CalcSimpleDamage(json.api_opening_atack, _friend, _guard, _enemyHp, _enemyGuardHp);\r
 261                 }\r
 262                 else\r
 263                 {\r
 264                     CalcSimpleDamage(json.api_opening_atack,\r
 265                         fc ? _guard : _friend, // 雷撃の対象は護衛\r
 266                         _enemyHp, _enemyGuardHp);\r
 267                 }\r
 268             }\r
 269             if (json.api_hougeki1() && json.api_hougeki1 != null)\r
 270             {\r
 271                 if (json.api_hougeki1.api_at_eflag())\r
 272                 {\r
 273                     CalcCombinedHougekiDamage(json.api_hougeki1, _friend, _guard, _enemyHp, _enemyGuardHp);\r
 274                 }\r
 275                 else\r
 276                 {\r
 277                     CalcHougekiDamage(json.api_hougeki1,\r
 278                         fc && !surfaceFleet ? _guard : _friend, // 空母機動部隊は一巡目が護衛\r
 279                         ec ? _enemyGuardHp : _enemyHp); // 敵連合艦隊は一巡目が護衛\r
 280                 }\r
 281             }\r
 282             if (json.api_hougeki2() && json.api_hougeki2 != null)\r
 283             {\r
 284                 if (json.api_hougeki2.api_at_eflag())\r
 285                     CalcCombinedHougekiDamage(json.api_hougeki2, _friend, _guard, _enemyHp, _enemyGuardHp);\r
 286                 else\r
 287                     CalcHougekiDamage(json.api_hougeki2, _friend, _enemyHp);\r
 288             }\r
 289             if (json.api_hougeki3() && json.api_hougeki3 != null)\r
 290             {\r
 291                 if (json.api_hougeki3.api_at_eflag())\r
 292                 {\r
 293                     CalcCombinedHougekiDamage(json.api_hougeki3, _friend, _guard, _enemyHp, _enemyGuardHp);\r
 294                 }\r
 295                 else\r
 296                 {\r
 297                     CalcHougekiDamage(json.api_hougeki3,\r
 298                         fc && surfaceFleet ? _guard : _friend, // 水上打撃部隊は三順目が護衛\r
 299                         _enemyHp);\r
 300                 }\r
 301             }\r
 302             if (json.api_raigeki() && json.api_raigeki != null)\r
 303             {\r
 304                 if (both)\r
 305                 {\r
 306                     CalcSimpleDamage(json.api_raigeki, _friend, _guard, _enemyHp, _enemyGuardHp);\r
 307                 }\r
 308                 else\r
 309                 {\r
 310                     CalcSimpleDamage(json.api_raigeki,\r
 311                         fc ? _guard : _friend, // 雷撃の対象は護衛\r
 312                         _enemyHp, _enemyGuardHp);\r
 313                 }\r
 314             }\r
 315         }\r
 316 \r
 317         private void CalcSupportDamage(dynamic json)\r
 318         {\r
 319             if (json.api_support_hourai != null)\r
 320             {\r
 321                 CalcSimpleDamage(json.api_support_hourai.api_damage, _enemyHp, _enemyGuardHp);\r
 322             }\r
 323             else if (json.api_support_airatack != null)\r
 324             {\r
 325                 var airattack = json.api_support_airatack;\r
 326                 if (airattack.api_stage3 != null)\r
 327                     CalcSimpleDamage(airattack.api_stage3.api_edam, _enemyHp);\r
 328                 if (airattack.api_stage3_combined() && airattack.api_stage3_combined != null)\r
 329                     CalcSimpleDamage(airattack.api_stage3_combined.api_edam, _enemyGuardHp);\r
 330             }\r
 331         }\r
 332 \r
 333         private void CalcAirBaseAttackDamage(dynamic json)\r
 334         {\r
 335             foreach (var entry in json)\r
 336             {\r
 337                 if (!entry.api_stage3() || entry.api_stage3 == null)\r
 338                     continue;\r
 339                 CalcSimpleDamage(entry.api_stage3.api_edam, _enemyHp);\r
 340                 if (entry.api_stage3_combined())\r
 341                     CalcSimpleDamage(entry.api_stage3_combined.api_edam, _enemyGuardHp);\r
 342             }\r
 343         }\r
 344 \r
 345         private void CalcSimpleDamage(dynamic json, Record[] friend, int[] enemy)\r
 346         {\r
 347             if (json.api_fdam())\r
 348                 CalcSimpleDamage(json.api_fdam, friend);\r
 349             if (json.api_edam())\r
 350                 CalcSimpleDamage(json.api_edam, enemy);\r
 351         }\r
 352 \r
 353         private void CalcSimpleDamage(dynamic json, Record[] friend, int[] enemy, int[] enemyGuard)\r
 354         {\r
 355             CalcSimpleDamage(json.api_fdam, friend);\r
 356             CalcSimpleDamage(json.api_edam, enemy, enemyGuard);\r
 357         }\r
 358 \r
 359         private void CalcSimpleDamage(dynamic json, Record[] friend, Record[] guard, int[] enemy, int[] enemyGuard)\r
 360         {\r
 361             CalcSimpleDamage(json.api_fdam, friend, guard);\r
 362             CalcSimpleDamage(json.api_edam, enemy, enemyGuard);\r
 363         }\r
 364 \r
 365         private void CalcSimpleDamage(dynamic rawDamage, Record[] friend, Record[] guard)\r
 366         {\r
 367             var damage = (int[])rawDamage;\r
 368             for (var i = 0; i < friend.Length; i++)\r
 369                 friend[i].ApplyDamage(damage[i + 1]);\r
 370             for (var i = 0; i < guard.Length; i++)\r
 371                 guard[i].ApplyDamage(damage[i + 6 + 1]);\r
 372         }\r
 373 \r
 374         private void CalcSimpleDamage(dynamic rawDamage, Record[] friend)\r
 375         {\r
 376             var damage = (int[])rawDamage;\r
 377             for (var i = 0; i < friend.Length; i++)\r
 378                 friend[i].ApplyDamage(damage[i + 1]);\r
 379         }\r
 380 \r
 381         private void CalcSimpleDamage(dynamic rawDamage, int[] enemy, int[] enemyGuard)\r
 382         {\r
 383             var damage = (int[])rawDamage;\r
 384             for (var i = 0; i < enemy.Length; i++)\r
 385                 enemy[i] -= damage[i + 1];\r
 386             for (var i = 0; i < enemyGuard.Length; i++)\r
 387                 enemyGuard[i] -= damage[i + 6 + 1];\r
 388         }\r
 389 \r
 390         private void CalcSimpleDamage(dynamic rawDamage, int[] result)\r
 391         {\r
 392             var damage = (int[])rawDamage;\r
 393             for (var i = 0; i < result.Length; i++)\r
 394                 result[i] -= damage[i + 1];\r
 395         }\r
 396 \r
 397         private void CalcHougekiDamage(dynamic hougeki, Record[] friend, int[] enemy)\r
 398         {\r
 399             var targets = ((dynamic[])hougeki.api_df_list).Skip(1).SelectMany(x => (int[])x);\r
 400             var damages = ((dynamic[])hougeki.api_damage).Skip(1).SelectMany(x => (int[])x);\r
 401             foreach (var hit in targets.Zip(damages, (t, d) => new {t, d}))\r
 402             {\r
 403                 if (hit.t == -1)\r
 404                     continue;\r
 405                 if (hit.t <= 6)\r
 406                     friend[hit.t - 1].ApplyDamage(hit.d);\r
 407                 else\r
 408                     enemy[(hit.t - 1) % 6] -= hit.d;\r
 409             }\r
 410         }\r
 411 \r
 412         private void CalcCombinedHougekiDamage(dynamic hougeki, Record[] friend, Record[] guard,\r
 413             int[] enemy, int[] enemyGuard)\r
 414         {\r
 415             var targets = ((dynamic[])hougeki.api_df_list).Skip(1).Select(x => (int[])x);\r
 416             var damages = ((dynamic[])hougeki.api_damage).Skip(1).Select(x => (int[])x);\r
 417             var eflags = ((int[])hougeki.api_at_eflag).Skip(1);\r
 418             foreach (var turn in\r
 419                 targets.Zip(damages, (t, d) => new {t, d}).\r
 420                     Zip(eflags, (td, e) => new {e, td.t, td.d}))\r
 421             {\r
 422                 foreach (var hit in turn.t.Zip(turn.d, (t, d) => new {t, d}))\r
 423                 {\r
 424                     if (turn.e == 1)\r
 425                     {\r
 426                         if (hit.t <= 6)\r
 427                             friend[hit.t - 1].ApplyDamage(hit.d);\r
 428                         else\r
 429                             guard[(hit.t - 1) % 6].ApplyDamage(hit.d);\r
 430                     }\r
 431                     else\r
 432                     {\r
 433                         if (hit.t <= 6)\r
 434                             enemy[hit.t - 1] -= hit.d;\r
 435                         else\r
 436                             enemyGuard[(hit.t - 1) % 6] -= hit.d;\r
 437                     }\r
 438                 }\r
 439             }\r
 440         }\r
 441 \r
 442         public void InspectBattleResult(dynamic json)\r
 443         {\r
 444             ShowResult();\r
 445             CleanupResult();\r
 446             SetEscapeShips(json);\r
 447         }\r
 448 \r
 449         public void InspectPracticeResult(dynamic json)\r
 450         {\r
 451             ShowResult(false);\r
 452             CleanupResult();\r
 453         }\r
 454 \r
 455         private void ShowResult(bool warnDamagedShip = true)\r
 456         {\r
 457             if (_friend == null)\r
 458                 return;\r
 459             var ships = _guard.Length > 0\r
 460                 ? _shipInfo.GetShipStatuses(0).Concat(_shipInfo.GetShipStatuses(1)).ToArray()\r
 461                 : _shipInfo.GetShipStatuses(_fleet);\r
 462             foreach (var entry in ships.Zip(_friend.Concat(_guard), (ship, now) => new {ship, now}))\r
 463                 entry.now.UpdateShipStatus(entry.ship);\r
 464             if (warnDamagedShip)\r
 465                 _shipInfo.SetBadlyDamagedShips();\r
 466             else\r
 467                 _shipInfo.ClearBadlyDamagedShips();\r
 468             SetEnemyResultStatus();\r
 469         }\r
 470 \r
 471         private void SetEnemyResultStatus()\r
 472         {\r
 473             for (var i = 0; i < EnemyResultStatus.Length; i++)\r
 474             {\r
 475                 EnemyResultStatus[i].MaxHp = _enemyStartHp[i];\r
 476                 EnemyResultStatus[i].NowHp = _enemyHp[i];\r
 477             }\r
 478         }\r
 479 \r
 480         public void SetEscapeShips(dynamic json)\r
 481         {\r
 482             _escapingShips.Clear();\r
 483             if (!json.api_escape_flag() || (int)json.api_escape_flag == 0)\r
 484                 return;\r
 485             var damaged = (int)json.api_escape.api_escape_idx[0] - 1;\r
 486             _escapingShips.Add(_shipInfo.GetDeck(damaged / 6)[damaged % 6]);\r
 487             var escort = (int)json.api_escape.api_tow_idx[0] - 1;\r
 488             _escapingShips.Add(_shipInfo.GetDeck(escort / 6)[escort % 6]);\r
 489         }\r
 490 \r
 491         public void CauseCombinedBattleEscape()\r
 492         {\r
 493             _shipInfo.SetEscapedShips(_escapingShips);\r
 494             _shipInfo.SetBadlyDamagedShips();\r
 495         }\r
 496 \r
 497         private class Record\r
 498         {\r
 499             private ShipStatus _status;\r
 500             public int NowHp => _status.NowHp;\r
 501             public bool Escaped => _status.Escaped;\r
 502             public ShipStatus.Damage DamageLevel => _status.DamageLevel;\r
 503             public int StartHp;\r
 504 \r
 505             public static Record[] Setup(ShipStatus[] ships) =>\r
 506                 (from s in ships select new Record {_status = (ShipStatus)s.Clone(), StartHp = s.NowHp}).ToArray();\r
 507 \r
 508             public void ApplyDamage(int damage)\r
 509             {\r
 510                 if (_status.NowHp > damage)\r
 511                 {\r
 512                     _status.NowHp -= damage;\r
 513                     return;\r
 514                 }\r
 515                 _status.NowHp = 0;\r
 516                 foreach (var item in new[] {_status.SlotEx}.Concat(_status.Slot))\r
 517                 {\r
 518                     if (item.Spec.Id == 42)\r
 519                     {\r
 520                         _status.NowHp = (int)(_status.MaxHp * 0.2);\r
 521                         ConsumeSlotItem(_status, 42);\r
 522                         break;\r
 523                     }\r
 524                     if (item.Spec.Id == 43)\r
 525                     {\r
 526                         _status.NowHp = _status.MaxHp;\r
 527                         ConsumeSlotItem(_status, 43);\r
 528                         break;\r
 529                     }\r
 530                 }\r
 531             }\r
 532 \r
 533             public void UpdateShipStatus(ShipStatus ship)\r
 534             {\r
 535                 ship.NowHp = NowHp;\r
 536                 ship.Slot = _status.Slot;\r
 537                 ship.SlotEx = _status.SlotEx;\r
 538             }\r
 539         }\r
 540 \r
 541         private BattleResultRank CalcLdAirBattleRank()\r
 542         {\r
 543             var combined = _friend.Concat(_guard).ToArray();\r
 544             var friendNowShips = combined.Count(r => r.NowHp > 0);\r
 545             var friendGauge = combined.Sum(r => r.StartHp - r.NowHp);\r
 546             var friendSunk = combined.Count(r => r.NowHp == 0);\r
 547             var friendGaugeRate = Floor((double)friendGauge / combined.Sum(r => r.StartHp) * 100);\r
 548 \r
 549             if (friendSunk == 0)\r
 550             {\r
 551                 if (friendGauge == 0)\r
 552                     return BattleResultRank.P;\r
 553                 if (friendGaugeRate < 10)\r
 554                     return BattleResultRank.A;\r
 555                 if (friendGaugeRate < 20)\r
 556                     return BattleResultRank.B;\r
 557                 if (friendGaugeRate < 50)\r
 558                     return BattleResultRank.C;\r
 559                 return BattleResultRank.D;\r
 560             }\r
 561             if (friendSunk < friendNowShips)\r
 562                 return BattleResultRank.D;\r
 563             return BattleResultRank.E;\r
 564         }\r
 565 \r
 566         private BattleResultRank CalcResultRank()\r
 567         {\r
 568             var friend = _friend.Concat(_guard).ToArray();\r
 569             var enemyHp = _enemyHp.Concat(_enemyGuardHp).ToArray();\r
 570             var enemyStartHp = _enemyStartHp.Concat(_enemyGuardStartHp).ToArray();\r
 571 \r
 572             var friendCount = friend.Length;\r
 573             var friendStartHpTotal = 0;\r
 574             var friendNowHpTotal = 0;\r
 575             var friendSunk = 0;\r
 576             foreach (var ship in friend)\r
 577             {\r
 578                 if (ship.Escaped)\r
 579                     continue;\r
 580                 friendStartHpTotal += ship.StartHp;\r
 581                 friendNowHpTotal += ship.NowHp;\r
 582                 if (ship.NowHp == 0)\r
 583                     friendSunk++;\r
 584             }\r
 585             var friendGaugeRate = (int)((double)(friendStartHpTotal - friendNowHpTotal) / friendStartHpTotal * 100);\r
 586 \r
 587             var enemyCount = enemyHp.Length;\r
 588             var enemyStartHpTotal = enemyStartHp.Sum();\r
 589             var enemyNowHpTotal = enemyHp.Sum();\r
 590             var enemySunk = enemyHp.Count(hp => hp == 0);\r
 591             var enemyGaugeRate = (int)((double)(enemyStartHpTotal - enemyNowHpTotal) / enemyStartHpTotal * 100);\r
 592 \r
 593             if (friendSunk == 0 && enemySunk == enemyCount)\r
 594             {\r
 595                 if (friendNowHpTotal >= friendStartHpTotal)\r
 596                     return BattleResultRank.P;\r
 597                 return BattleResultRank.S;\r
 598             }\r
 599             if (friendSunk == 0 && enemySunk >= (int)(enemyCount * 0.7) && enemyCount > 1)\r
 600                 return BattleResultRank.A;\r
 601             if (friendSunk < enemySunk && enemyHp[0] == 0)\r
 602                 return BattleResultRank.B;\r
 603             if (friendCount == 1 && friend[0].DamageLevel == ShipStatus.Damage.Badly)\r
 604                 return BattleResultRank.D;\r
 605             if (enemyGaugeRate > friendGaugeRate * 2.5)\r
 606                 return BattleResultRank.B;\r
 607             if (enemyGaugeRate > friendGaugeRate * 0.9)\r
 608                 return BattleResultRank.C;\r
 609             if (friendCount > 1 && friendCount - 1 == friendSunk)\r
 610                 return BattleResultRank.E;\r
 611             return BattleResultRank.D;\r
 612         }\r
 613     }\r
 614 }