src/artifact.c

   1 /*!
   2  * @file artifact.c
   3  * @brief アーティファクトの生成と管理 / Artifact code
   4  * @date 2013/12/11
   5  * @author
   6  * Copyright (c) 1989 James E. Wilson, Robert A. Koeneke\n
   7  * This software may be copied and distributed for educational, research, and\n
   8  * not for profit purposes provided that this copyright and statement are\n
   9  * included in all such copies.\n
  10  * 2013 Deskull rearranged comment for Doxygen.
  11  */
  12
  13 #include "angband.h"
  14 #include "artifact.h"
  15
  16 #include "avatar.h"
  17 #include "cmd-activate.h"
  18 #include "object-boost.h"
  19 #include "object-curse.h"
  20 #include "object-flavor.h"
  21 #include "object-hook.h"
  22 #include "spells-object.h"
  23 #include "files.h"
  24
  25 static bool has_extreme_damage_rate(object_type *o_ptr);
  26 static bool weakening_artifact(object_type *o_ptr);
  27
  28 #ifdef JP
  29 /*!
  30  * @brief ランダムアーティファクトのバイアス名称テーブル
  31  */
  32 const concptr artifact_bias_name[MAX_BIAS] =
  33 {
  34         "なし",
  35         "電撃",
  36         "毒",
  37         "火炎",
  38         "冷気",
  39         "酸",
  40         "腕力",
  41         "知力",
  42         "賢さ",
  43         "器用さ",
  44         "耐久",
  45         "魅力",
  46         "混沌",
  47         "プリースト",
  48         "死霊",
  49         "法",
  50         "盗賊",
  51         "メイジ",
  52         "戦士",
  53         "レンジャー",
  54 };
  55 #else
  56 const concptr artifact_bias_name[MAX_BIAS] =
  57 {
  58         "None",
  59         "Elec",
  60         "Poison",
  61         "Fire",
  62         "Cold",
  63         "Acid",
  64         "STR",
  65         "INT",
  66         "WIS",
  67         "DEX",
  68         "CON",
  69         "CHA",
  70         "Chaos",
  71         "Pristly",
  72         "Necromantic",
  73         "Law",
  74         "Rogue",
  75         "Mage",
  76         "Warrior",
  77         "Ranger",
  78 };
  79 #endif
  80
  81
  82 /*!
  83  * @brief ランダムアーティファクト生成中、対象のオブジェクトを呪いのアーティファクトにする経過処理。/ generation process of cursed artifact.
  84  * @details pval、AC、命中、ダメージが正の場合、符号反転の上1d4だけ悪化させ、重い呪い、呪いフラグを必ず付加。
  85  * 祝福を無効。確率に応じて、永遠の呪い、太古の怨念、経験値吸収、弱い呪いの継続的付加、強い呪いの継続的付加、HP吸収の呪い、
  86  * MP吸収の呪い、乱テレポート、反テレポート、反魔法をつける。
  87  * @attention プレイヤーの職業依存処理あり。
  88  * @param o_ptr 対象のオブジェクト構造体ポインタ
  89  * @return なし
  90  */
  91 static void curse_artifact(object_type * o_ptr)
  92 {
  93         if (o_ptr->pval > 0) o_ptr->pval = 0 - (o_ptr->pval + randint1(4));
  94         if (o_ptr->to_a > 0) o_ptr->to_a = 0 - (o_ptr->to_a + randint1(4));
  95         if (o_ptr->to_h > 0) o_ptr->to_h = 0 - (o_ptr->to_h + randint1(4));
  96         if (o_ptr->to_d > 0) o_ptr->to_d = 0 - (o_ptr->to_d + randint1(4));
  97
  98         o_ptr->curse_flags |= (TRC_HEAVY_CURSE | TRC_CURSED);
  99         remove_flag(o_ptr->art_flags, TR_BLESSED);
 100
 101         if (one_in_(4)) o_ptr->curse_flags |= TRC_PERMA_CURSE;
 102         if (one_in_(3)) add_flag(o_ptr->art_flags, TR_TY_CURSE);
 103         if (one_in_(2)) add_flag(o_ptr->art_flags, TR_AGGRAVATE);
 104         if (one_in_(3)) add_flag(o_ptr->art_flags, TR_DRAIN_EXP);
 105         if (one_in_(6)) add_flag(o_ptr->art_flags, TR_ADD_L_CURSE);
 106         if (one_in_(9)) add_flag(o_ptr->art_flags, TR_ADD_H_CURSE);
 107         if (one_in_(9)) add_flag(o_ptr->art_flags, TR_DRAIN_HP);
 108         if (one_in_(9)) add_flag(o_ptr->art_flags, TR_DRAIN_MANA);
 109         if (one_in_(2)) add_flag(o_ptr->art_flags, TR_TELEPORT);
 110         else if (one_in_(3)) add_flag(o_ptr->art_flags, TR_NO_TELE);
 111
 112         if ((p_ptr->pclass != CLASS_WARRIOR) && (p_ptr->pclass != CLASS_ARCHER) && (p_ptr->pclass != CLASS_CAVALRY) && (p_ptr->pclass != CLASS_BERSERKER) && (p_ptr->pclass != CLASS_SMITH) && one_in_(3))
 113                 add_flag(o_ptr->art_flags, TR_NO_MAGIC);
 114 }
 115
 116 /*!
 117  * @brief ランダムアーティファクト生成中、対象のオブジェクトにpval能力を付加する。/ Add one pval on generation of randam artifact.
 118  * @details 優先的に付加されるpvalがランダムアーティファクトバイアスに依存して存在する。
 119  * 原則的候補は腕力、知力、賢さ、器用さ、耐久、魅力、探索、隠密、赤外線視力、加速。武器のみ採掘、追加攻撃も候補に入る。
 120  * @attention オブジェクトのtval、svalに依存したハードコーディング処理がある。
 121  * @param o_ptr 対象のオブジェクト構造体ポインタ
 122  * @return なし
 123  */
 124 static void random_plus(object_type * o_ptr)
 125 {
 126         int this_type = (object_is_weapon_ammo(o_ptr) ? 23 : 19);
 127
 128         switch (o_ptr->artifact_bias)
 129         {
 130         case BIAS_WARRIOR:
 131                 if (!(have_flag(o_ptr->art_flags, TR_STR)))
 132                 {
 133                         add_flag(o_ptr->art_flags, TR_STR);
 134                         if (one_in_(2)) return;
 135                 }
 136
 137                 if (!(have_flag(o_ptr->art_flags, TR_CON)))
 138                 {
 139                         add_flag(o_ptr->art_flags, TR_CON);
 140                         if (one_in_(2)) return;
 141                 }
 142
 143                 if (!(have_flag(o_ptr->art_flags, TR_DEX)))
 144                 {
 145                         add_flag(o_ptr->art_flags, TR_DEX);
 146                         if (one_in_(2)) return;
 147                 }
 148                 break;
 149
 150         case BIAS_MAGE:
 151                 if (!(have_flag(o_ptr->art_flags, TR_INT)))
 152                 {
 153                         add_flag(o_ptr->art_flags, TR_INT);
 154                         if (one_in_(2)) return;
 155                 }
 156                 if ((o_ptr->tval == TV_GLOVES) && !(have_flag(o_ptr->art_flags, TR_MAGIC_MASTERY)))
 157                 {
 158                         add_flag(o_ptr->art_flags, TR_MAGIC_MASTERY);
 159                         if (one_in_(2)) return;
 160                 }
 161                 break;
 162
 163         case BIAS_PRIESTLY:
 164                 if (!(have_flag(o_ptr->art_flags, TR_WIS)))
 165                 {
 166                         add_flag(o_ptr->art_flags, TR_WIS);
 167                         if (one_in_(2)) return;
 168                 }
 169                 break;
 170
 171         case BIAS_RANGER:
 172                 if (!(have_flag(o_ptr->art_flags, TR_DEX)))
 173                 {
 174                         add_flag(o_ptr->art_flags, TR_DEX);
 175                         if (one_in_(2)) return;
 176                 }
 177
 178                 if (!(have_flag(o_ptr->art_flags, TR_CON)))
 179                 {
 180                         add_flag(o_ptr->art_flags, TR_CON);
 181                         if (one_in_(2)) return;
 182                 }
 183
 184                 if (!(have_flag(o_ptr->art_flags, TR_STR)))
 185                 {
 186                         add_flag(o_ptr->art_flags, TR_STR);
 187                         if (one_in_(2)) return;
 188                 }
 189                 break;
 190
 191         case BIAS_ROGUE:
 192                 if (!(have_flag(o_ptr->art_flags, TR_STEALTH)))
 193                 {
 194                         add_flag(o_ptr->art_flags, TR_STEALTH);
 195                         if (one_in_(2)) return;
 196                 }
 197                 if (!(have_flag(o_ptr->art_flags, TR_SEARCH)))
 198                 {
 199                         add_flag(o_ptr->art_flags, TR_SEARCH);
 200                         if (one_in_(2)) return;
 201                 }
 202                 break;
 203
 204         case BIAS_STR:
 205                 if (!(have_flag(o_ptr->art_flags, TR_STR)))
 206                 {
 207                         add_flag(o_ptr->art_flags, TR_STR);
 208                         if (one_in_(2)) return;
 209                 }
 210                 break;
 211
 212         case BIAS_WIS:
 213                 if (!(have_flag(o_ptr->art_flags, TR_WIS)))
 214                 {
 215                         add_flag(o_ptr->art_flags, TR_WIS);
 216                         if (one_in_(2)) return;
 217                 }
 218                 break;
 219
 220         case BIAS_INT:
 221                 if (!(have_flag(o_ptr->art_flags, TR_INT)))
 222                 {
 223                         add_flag(o_ptr->art_flags, TR_INT);
 224                         if (one_in_(2)) return;
 225                 }
 226                 break;
 227
 228         case BIAS_DEX:
 229                 if (!(have_flag(o_ptr->art_flags, TR_DEX)))
 230                 {
 231                         add_flag(o_ptr->art_flags, TR_DEX);
 232                         if (one_in_(2)) return;
 233                 }
 234                 break;
 235
 236         case BIAS_CON:
 237                 if (!(have_flag(o_ptr->art_flags, TR_CON)))
 238                 {
 239                         add_flag(o_ptr->art_flags, TR_CON);
 240                         if (one_in_(2)) return;
 241                 }
 242                 break;
 243
 244         case BIAS_CHR:
 245                 if (!(have_flag(o_ptr->art_flags, TR_CHR)))
 246                 {
 247                         add_flag(o_ptr->art_flags, TR_CHR);
 248                         if (one_in_(2)) return;
 249                 }
 250                 break;
 251         }
 252
 253         if ((o_ptr->artifact_bias == BIAS_MAGE || o_ptr->artifact_bias == BIAS_PRIESTLY) && (o_ptr->tval == TV_SOFT_ARMOR) && (o_ptr->sval == SV_ROBE))
 254         {
 255                 if (!(have_flag(o_ptr->art_flags, TR_DEC_MANA)) && one_in_(3))
 256                 {
 257                         add_flag(o_ptr->art_flags, TR_DEC_MANA);
 258                         if (one_in_(2)) return;
 259                 }
 260         }
 261
 262         switch (randint1(this_type))
 263         {
 264         case 1: case 2:
 265                 add_flag(o_ptr->art_flags, TR_STR);
 266                 if (!o_ptr->artifact_bias && !one_in_(13))
 267                         o_ptr->artifact_bias = BIAS_STR;
 268                 else if (!o_ptr->artifact_bias && one_in_(7))
 269                         o_ptr->artifact_bias = BIAS_WARRIOR;
 270                 break;
 271         case 3: case 4:
 272                 add_flag(o_ptr->art_flags, TR_INT);
 273                 if (!o_ptr->artifact_bias && !one_in_(13))
 274                         o_ptr->artifact_bias = BIAS_INT;
 275                 else if (!o_ptr->artifact_bias && one_in_(7))
 276                         o_ptr->artifact_bias = BIAS_MAGE;
 277                 break;
 278         case 5: case 6:
 279                 add_flag(o_ptr->art_flags, TR_WIS);
 280                 if (!o_ptr->artifact_bias && !one_in_(13))
 281                         o_ptr->artifact_bias = BIAS_WIS;
 282                 else if (!o_ptr->artifact_bias && one_in_(7))
 283                         o_ptr->artifact_bias = BIAS_PRIESTLY;
 284                 break;
 285         case 7: case 8:
 286                 add_flag(o_ptr->art_flags, TR_DEX);
 287                 if (!o_ptr->artifact_bias && !one_in_(13))
 288                         o_ptr->artifact_bias = BIAS_DEX;
 289                 else if (!o_ptr->artifact_bias && one_in_(7))
 290                         o_ptr->artifact_bias = BIAS_ROGUE;
 291                 break;
 292         case 9: case 10:
 293                 add_flag(o_ptr->art_flags, TR_CON);
 294                 if (!o_ptr->artifact_bias && !one_in_(13))
 295                         o_ptr->artifact_bias = BIAS_CON;
 296                 else if (!o_ptr->artifact_bias && one_in_(9))
 297                         o_ptr->artifact_bias = BIAS_RANGER;
 298                 break;
 299         case 11: case 12:
 300                 add_flag(o_ptr->art_flags, TR_CHR);
 301                 if (!o_ptr->artifact_bias && !one_in_(13))
 302                         o_ptr->artifact_bias = BIAS_CHR;
 303                 break;
 304         case 13: case 14:
 305                 add_flag(o_ptr->art_flags, TR_STEALTH);
 306                 if (!o_ptr->artifact_bias && one_in_(3))
 307                         o_ptr->artifact_bias = BIAS_ROGUE;
 308                 break;
 309         case 15: case 16:
 310                 add_flag(o_ptr->art_flags, TR_SEARCH);
 311                 if (!o_ptr->artifact_bias && one_in_(9))
 312                         o_ptr->artifact_bias = BIAS_RANGER;
 313                 break;
 314         case 17: case 18:
 315                 add_flag(o_ptr->art_flags, TR_INFRA);
 316                 break;
 317         case 19:
 318                 add_flag(o_ptr->art_flags, TR_SPEED);
 319                 if (!o_ptr->artifact_bias && one_in_(11))
 320                         o_ptr->artifact_bias = BIAS_ROGUE;
 321                 break;
 322         case 20: case 21:
 323                 add_flag(o_ptr->art_flags, TR_TUNNEL);
 324                 break;
 325         case 22: case 23:
 326                 if (o_ptr->tval == TV_BOW) random_plus(o_ptr);
 327                 else
 328                 {
 329                         add_flag(o_ptr->art_flags, TR_BLOWS);
 330                         if (!o_ptr->artifact_bias && one_in_(11))
 331                                 o_ptr->artifact_bias = BIAS_WARRIOR;
 332                 }
 333                 break;
 334         }
 335 }
 336
 337 /*!
 338  * @brief ランダムアーティファクト生成中、対象のオブジェクトに耐性を付加する。/ Add one resistance on generation of randam artifact.
 339  * @details 優先的に付加される耐性がランダムアーティファクトバイアスに依存して存在する。
 340  * 原則的候補は火炎、冷気、電撃、酸（以上免疫の可能性もあり）、
 341  * 毒、閃光、暗黒、破片、轟音、盲目、混乱、地獄、カオス、劣化、恐怖、火オーラ、冷気オーラ、電撃オーラ、反射。
 342  * 戦士系バイアスのみ反魔もつく。
 343  * @attention オブジェクトのtval、svalに依存したハードコーディング処理がある。
 344  * @param o_ptr 対象のオブジェクト構造体ポインタ
 345  * @return なし
 346  */
 347 static void random_resistance(object_type * o_ptr)
 348 {
 349         switch (o_ptr->artifact_bias)
 350         {
 351         case BIAS_ACID:
 352                 if (!(have_flag(o_ptr->art_flags, TR_RES_ACID)))
 353                 {
 354                         add_flag(o_ptr->art_flags, TR_RES_ACID);
 355                         if (one_in_(2)) return;
 356                 }
 357                 if (one_in_(BIAS_LUCK) && !(have_flag(o_ptr->art_flags, TR_IM_ACID)))
 358                 {
 359                         add_flag(o_ptr->art_flags, TR_IM_ACID);
 360                         if (!one_in_(IM_LUCK))
 361                         {
 362                                 remove_flag(o_ptr->art_flags, TR_IM_ELEC);
 363                                 remove_flag(o_ptr->art_flags, TR_IM_COLD);
 364                                 remove_flag(o_ptr->art_flags, TR_IM_FIRE);
 365                         }
 366                         if (one_in_(2)) return;
 367                 }
 368                 break;
 369
 370         case BIAS_ELEC:
 371                 if (!(have_flag(o_ptr->art_flags, TR_RES_ELEC)))
 372                 {
 373                         add_flag(o_ptr->art_flags, TR_RES_ELEC);
 374                         if (one_in_(2)) return;
 375                 }
 376                 if ((o_ptr->tval >= TV_CLOAK) && (o_ptr->tval <= TV_HARD_ARMOR) &&
 377                     !(have_flag(o_ptr->art_flags, TR_SH_ELEC)))
 378                 {
 379                         add_flag(o_ptr->art_flags, TR_SH_ELEC);
 380                         if (one_in_(2)) return;
 381                 }
 382                 if (one_in_(BIAS_LUCK) && !(have_flag(o_ptr->art_flags, TR_IM_ELEC)))
 383                 {
 384                         add_flag(o_ptr->art_flags, TR_IM_ELEC);
 385                         if (!one_in_(IM_LUCK))
 386                         {
 387                                 remove_flag(o_ptr->art_flags, TR_IM_ACID);
 388                                 remove_flag(o_ptr->art_flags, TR_IM_COLD);
 389                                 remove_flag(o_ptr->art_flags, TR_IM_FIRE);
 390                         }
 391
 392                         if (one_in_(2)) return;
 393                 }
 394                 break;
 395
 396         case BIAS_FIRE:
 397                 if (!(have_flag(o_ptr->art_flags, TR_RES_FIRE)))
 398                 {
 399                         add_flag(o_ptr->art_flags, TR_RES_FIRE);
 400                         if (one_in_(2)) return;
 401                 }
 402                 if ((o_ptr->tval >= TV_CLOAK) &&
 403                     (o_ptr->tval <= TV_HARD_ARMOR) &&
 404                     !(have_flag(o_ptr->art_flags, TR_SH_FIRE)))
 405                 {
 406                         add_flag(o_ptr->art_flags, TR_SH_FIRE);
 407                         if (one_in_(2)) return;
 408                 }
 409                 if (one_in_(BIAS_LUCK) &&
 410                     !(have_flag(o_ptr->art_flags, TR_IM_FIRE)))
 411                 {
 412                         add_flag(o_ptr->art_flags, TR_IM_FIRE);
 413                         if (!one_in_(IM_LUCK))
 414                         {
 415                                 remove_flag(o_ptr->art_flags, TR_IM_ELEC);
 416                                 remove_flag(o_ptr->art_flags, TR_IM_COLD);
 417                                 remove_flag(o_ptr->art_flags, TR_IM_ACID);
 418                         }
 419                         if (one_in_(2)) return;
 420                 }
 421                 break;
 422
 423         case BIAS_COLD:
 424                 if (!(have_flag(o_ptr->art_flags, TR_RES_COLD)))
 425                 {
 426                         add_flag(o_ptr->art_flags, TR_RES_COLD);
 427                         if (one_in_(2)) return;
 428                 }
 429                 if ((o_ptr->tval >= TV_CLOAK) &&
 430                     (o_ptr->tval <= TV_HARD_ARMOR) &&
 431                     !(have_flag(o_ptr->art_flags, TR_SH_COLD)))
 432                 {
 433                         add_flag(o_ptr->art_flags, TR_SH_COLD);
 434                         if (one_in_(2)) return;
 435                 }
 436                 if (one_in_(BIAS_LUCK) && !(have_flag(o_ptr->art_flags, TR_IM_COLD)))
 437                 {
 438                         add_flag(o_ptr->art_flags, TR_IM_COLD);
 439                         if (!one_in_(IM_LUCK))
 440                         {
 441                                 remove_flag(o_ptr->art_flags, TR_IM_ELEC);
 442                                 remove_flag(o_ptr->art_flags, TR_IM_ACID);
 443                                 remove_flag(o_ptr->art_flags, TR_IM_FIRE);
 444                         }
 445                         if (one_in_(2)) return;
 446                 }
 447                 break;
 448
 449         case BIAS_POIS:
 450                 if (!(have_flag(o_ptr->art_flags, TR_RES_POIS)))
 451                 {
 452                         add_flag(o_ptr->art_flags, TR_RES_POIS);
 453                         if (one_in_(2)) return;
 454                 }
 455                 break;
 456
 457         case BIAS_WARRIOR:
 458                 if (!one_in_(3) && (!(have_flag(o_ptr->art_flags, TR_RES_FEAR))))
 459                 {
 460                         add_flag(o_ptr->art_flags, TR_RES_FEAR);
 461                         if (one_in_(2)) return;
 462                 }
 463                 if (one_in_(3) && (!(have_flag(o_ptr->art_flags, TR_NO_MAGIC))))
 464                 {
 465                         add_flag(o_ptr->art_flags, TR_NO_MAGIC);
 466                         if (one_in_(2)) return;
 467                 }
 468                 break;
 469
 470         case BIAS_NECROMANTIC:
 471                 if (!(have_flag(o_ptr->art_flags, TR_RES_NETHER)))
 472                 {
 473                         add_flag(o_ptr->art_flags, TR_RES_NETHER);
 474                         if (one_in_(2)) return;
 475                 }
 476                 if (!(have_flag(o_ptr->art_flags, TR_RES_POIS)))
 477                 {
 478                         add_flag(o_ptr->art_flags, TR_RES_POIS);
 479                         if (one_in_(2)) return;
 480                 }
 481                 if (!(have_flag(o_ptr->art_flags, TR_RES_DARK)))
 482                 {
 483                         add_flag(o_ptr->art_flags, TR_RES_DARK);
 484                         if (one_in_(2)) return;
 485                 }
 486                 break;
 487
 488         case BIAS_CHAOS:
 489                 if (!(have_flag(o_ptr->art_flags, TR_RES_CHAOS)))
 490                 {
 491                         add_flag(o_ptr->art_flags, TR_RES_CHAOS);
 492                         if (one_in_(2)) return;
 493                 }
 494                 if (!(have_flag(o_ptr->art_flags, TR_RES_CONF)))
 495                 {
 496                         add_flag(o_ptr->art_flags, TR_RES_CONF);
 497                         if (one_in_(2)) return;
 498                 }
 499                 if (!(have_flag(o_ptr->art_flags, TR_RES_DISEN)))
 500                 {
 501                         add_flag(o_ptr->art_flags, TR_RES_DISEN);
 502                         if (one_in_(2)) return;
 503                 }
 504                 break;
 505         }
 506
 507         switch (randint1(42))
 508         {
 509                 case 1:
 510                         if (!one_in_(WEIRD_LUCK))
 511                                 random_resistance(o_ptr);
 512                         else
 513                         {
 514                                 add_flag(o_ptr->art_flags, TR_IM_ACID);
 515                                 if (!o_ptr->artifact_bias)
 516                                         o_ptr->artifact_bias = BIAS_ACID;
 517                         }
 518                         break;
 519                 case 2:
 520                         if (!one_in_(WEIRD_LUCK))
 521                                 random_resistance(o_ptr);
 522                         else
 523                         {
 524                                 add_flag(o_ptr->art_flags, TR_IM_ELEC);
 525                                 if (!o_ptr->artifact_bias)
 526                                         o_ptr->artifact_bias = BIAS_ELEC;
 527                         }
 528                         break;
 529                 case 3:
 530                         if (!one_in_(WEIRD_LUCK))
 531                                 random_resistance(o_ptr);
 532                         else
 533                         {
 534                                 add_flag(o_ptr->art_flags, TR_IM_COLD);
 535                                 if (!o_ptr->artifact_bias)
 536                                         o_ptr->artifact_bias = BIAS_COLD;
 537                         }
 538                         break;
 539                 case 4:
 540                         if (!one_in_(WEIRD_LUCK))
 541                                 random_resistance(o_ptr);
 542                         else
 543                         {
 544                                 add_flag(o_ptr->art_flags, TR_IM_FIRE);
 545                                 if (!o_ptr->artifact_bias)
 546                                         o_ptr->artifact_bias = BIAS_FIRE;
 547                         }
 548                         break;
 549                 case 5:
 550                 case 6:
 551                 case 13:
 552                         add_flag(o_ptr->art_flags, TR_RES_ACID);
 553                         if (!o_ptr->artifact_bias)
 554                                 o_ptr->artifact_bias = BIAS_ACID;
 555                         break;
 556                 case 7:
 557                 case 8:
 558                 case 14:
 559                         add_flag(o_ptr->art_flags, TR_RES_ELEC);
 560                         if (!o_ptr->artifact_bias)
 561                                 o_ptr->artifact_bias = BIAS_ELEC;
 562                         break;
 563                 case 9:
 564                 case 10:
 565                 case 15:
 566                         add_flag(o_ptr->art_flags, TR_RES_FIRE);
 567                         if (!o_ptr->artifact_bias)
 568                                 o_ptr->artifact_bias = BIAS_FIRE;
 569                         break;
 570                 case 11:
 571                 case 12:
 572                 case 16:
 573                         add_flag(o_ptr->art_flags, TR_RES_COLD);
 574                         if (!o_ptr->artifact_bias)
 575                                 o_ptr->artifact_bias = BIAS_COLD;
 576                         break;
 577                 case 17:
 578                 case 18:
 579                         add_flag(o_ptr->art_flags, TR_RES_POIS);
 580                         if (!o_ptr->artifact_bias && !one_in_(4))
 581                                 o_ptr->artifact_bias = BIAS_POIS;
 582                         else if (!o_ptr->artifact_bias && one_in_(2))
 583                                 o_ptr->artifact_bias = BIAS_NECROMANTIC;
 584                         else if (!o_ptr->artifact_bias && one_in_(2))
 585                                 o_ptr->artifact_bias = BIAS_ROGUE;
 586                         break;
 587                 case 19:
 588                 case 20:
 589                         add_flag(o_ptr->art_flags, TR_RES_FEAR);
 590                         if (!o_ptr->artifact_bias && one_in_(3))
 591                                 o_ptr->artifact_bias = BIAS_WARRIOR;
 592                         break;
 593                 case 21:
 594                         add_flag(o_ptr->art_flags, TR_RES_LITE);
 595                         break;
 596                 case 22:
 597                         add_flag(o_ptr->art_flags, TR_RES_DARK);
 598                         break;
 599                 case 23:
 600                 case 24:
 601                         add_flag(o_ptr->art_flags, TR_RES_BLIND);
 602                         break;
 603                 case 25:
 604                 case 26:
 605                         add_flag(o_ptr->art_flags, TR_RES_CONF);
 606                         if (!o_ptr->artifact_bias && one_in_(6))
 607                                 o_ptr->artifact_bias = BIAS_CHAOS;
 608                         break;
 609                 case 27:
 610                 case 28:
 611                         add_flag(o_ptr->art_flags, TR_RES_SOUND);
 612                         break;
 613                 case 29:
 614                 case 30:
 615                         add_flag(o_ptr->art_flags, TR_RES_SHARDS);
 616                         break;
 617                 case 31:
 618                 case 32:
 619                         add_flag(o_ptr->art_flags, TR_RES_NETHER);
 620                         if (!o_ptr->artifact_bias && one_in_(3))
 621                                 o_ptr->artifact_bias = BIAS_NECROMANTIC;
 622                         break;
 623                 case 33:
 624                 case 34:
 625                         add_flag(o_ptr->art_flags, TR_RES_NEXUS);
 626                         break;
 627                 case 35:
 628                 case 36:
 629                         add_flag(o_ptr->art_flags, TR_RES_CHAOS);
 630                         if (!o_ptr->artifact_bias && one_in_(2))
 631                                 o_ptr->artifact_bias = BIAS_CHAOS;
 632                         break;
 633                 case 37:
 634                 case 38:
 635                         add_flag(o_ptr->art_flags, TR_RES_DISEN);
 636                         break;
 637                 case 39:
 638                         if (o_ptr->tval >= TV_CLOAK && o_ptr->tval <= TV_HARD_ARMOR)
 639                                 add_flag(o_ptr->art_flags, TR_SH_ELEC);
 640                         else
 641                                 random_resistance(o_ptr);
 642                         if (!o_ptr->artifact_bias)
 643                                 o_ptr->artifact_bias = BIAS_ELEC;
 644                         break;
 645                 case 40:
 646                         if (o_ptr->tval >= TV_CLOAK && o_ptr->tval <= TV_HARD_ARMOR)
 647                                 add_flag(o_ptr->art_flags, TR_SH_FIRE);
 648                         else
 649                                 random_resistance(o_ptr);
 650                         if (!o_ptr->artifact_bias)
 651                                 o_ptr->artifact_bias = BIAS_FIRE;
 652                         break;
 653                 case 41:
 654                         if (o_ptr->tval == TV_SHIELD || o_ptr->tval == TV_CLOAK ||
 655                             o_ptr->tval == TV_HELM || o_ptr->tval == TV_HARD_ARMOR)
 656                                 add_flag(o_ptr->art_flags, TR_REFLECT);
 657                         else
 658                                 random_resistance(o_ptr);
 659                         break;
 660                 case 42:
 661                         if (o_ptr->tval >= TV_CLOAK && o_ptr->tval <= TV_HARD_ARMOR)
 662                                 add_flag(o_ptr->art_flags, TR_SH_COLD);
 663                         else
 664                                 random_resistance(o_ptr);
 665                         if (!o_ptr->artifact_bias)
 666                                 o_ptr->artifact_bias = BIAS_COLD;
 667                         break;
 668         }
 669 }
 670
 671
 672 /*!
 673  * @brief ランダムアーティファクト生成中、対象のオブジェクトにその他特性を付加する。/ Add one misc flag on generation of randam artifact.
 674  * @details 優先的に付加される耐性がランダムアーティファクトバイアスに依存して存在する。
 675  * 原則的候補は各種能力維持、永久光源+1、麻痺知らず、経験値維持、浮遊、透明視、急回復、遅消化、
 676  * 乱テレポート、反魔法、反テレポート、警告、テレパシー、各種ESP、一部装備に殺戮修正。
 677  * @attention オブジェクトのtval、svalに依存したハードコーディング処理がある。
 678  * @param o_ptr 対象のオブジェクト構造体ポインタ
 679  * @return なし
 680  */
 681 static void random_misc(object_type * o_ptr)
 682 {
 683         switch (o_ptr->artifact_bias)
 684         {
 685         case BIAS_RANGER:
 686                 if (!(have_flag(o_ptr->art_flags, TR_SUST_CON)))
 687                 {
 688                         add_flag(o_ptr->art_flags, TR_SUST_CON);
 689                         if (one_in_(2)) return;
 690                 }
 691                 break;
 692
 693         case BIAS_STR:
 694                 if (!(have_flag(o_ptr->art_flags, TR_SUST_STR)))
 695                 {
 696                         add_flag(o_ptr->art_flags, TR_SUST_STR);
 697                         if (one_in_(2)) return;
 698                 }
 699                 break;
 700
 701         case BIAS_WIS:
 702                 if (!(have_flag(o_ptr->art_flags, TR_SUST_WIS)))
 703                 {
 704                         add_flag(o_ptr->art_flags, TR_SUST_WIS);
 705                         if (one_in_(2)) return;
 706                 }
 707                 break;
 708
 709         case BIAS_INT:
 710                 if (!(have_flag(o_ptr->art_flags, TR_SUST_INT)))
 711                 {
 712                         add_flag(o_ptr->art_flags, TR_SUST_INT);
 713                         if (one_in_(2)) return;
 714                 }
 715                 break;
 716
 717         case BIAS_DEX:
 718                 if (!(have_flag(o_ptr->art_flags, TR_SUST_DEX)))
 719                 {
 720                         add_flag(o_ptr->art_flags, TR_SUST_DEX);
 721                         if (one_in_(2)) return;
 722                 }
 723                 break;
 724
 725         case BIAS_CON:
 726                 if (!(have_flag(o_ptr->art_flags, TR_SUST_CON)))
 727                 {
 728                         add_flag(o_ptr->art_flags, TR_SUST_CON);
 729                         if (one_in_(2)) return;
 730                 }
 731                 break;
 732
 733         case BIAS_CHR:
 734                 if (!(have_flag(o_ptr->art_flags, TR_SUST_CHR)))
 735                 {
 736                         add_flag(o_ptr->art_flags, TR_SUST_CHR);
 737                         if (one_in_(2)) return;
 738                 }
 739                 break;
 740
 741         case BIAS_CHAOS:
 742                 if (!(have_flag(o_ptr->art_flags, TR_TELEPORT)))
 743                 {
 744                         add_flag(o_ptr->art_flags, TR_TELEPORT);
 745                         if (one_in_(2)) return;
 746                 }
 747                 break;
 748
 749         case BIAS_FIRE:
 750                 if (!(have_flag(o_ptr->art_flags, TR_LITE_1)))
 751                 {
 752                         add_flag(o_ptr->art_flags, TR_LITE_1); /* Freebie */
 753                 }
 754                 break;
 755         }
 756
 757         switch (randint1(33))
 758         {
 759                 case 1:
 760                         add_flag(o_ptr->art_flags, TR_SUST_STR);
 761                         if (!o_ptr->artifact_bias)
 762                                 o_ptr->artifact_bias = BIAS_STR;
 763                         break;
 764                 case 2:
 765                         add_flag(o_ptr->art_flags, TR_SUST_INT);
 766                         if (!o_ptr->artifact_bias)
 767                                 o_ptr->artifact_bias = BIAS_INT;
 768                         break;
 769                 case 3:
 770                         add_flag(o_ptr->art_flags, TR_SUST_WIS);
 771                         if (!o_ptr->artifact_bias)
 772                                 o_ptr->artifact_bias = BIAS_WIS;
 773                         break;
 774                 case 4:
 775                         add_flag(o_ptr->art_flags, TR_SUST_DEX);
 776                         if (!o_ptr->artifact_bias)
 777                                 o_ptr->artifact_bias = BIAS_DEX;
 778                         break;
 779                 case 5:
 780                         add_flag(o_ptr->art_flags, TR_SUST_CON);
 781                         if (!o_ptr->artifact_bias)
 782                                 o_ptr->artifact_bias = BIAS_CON;
 783                         break;
 784                 case 6:
 785                         add_flag(o_ptr->art_flags, TR_SUST_CHR);
 786                         if (!o_ptr->artifact_bias)
 787                                 o_ptr->artifact_bias = BIAS_CHR;
 788                         break;
 789                 case 7:
 790                 case 8:
 791                 case 14:
 792                         add_flag(o_ptr->art_flags, TR_FREE_ACT);
 793                         break;
 794                 case 9:
 795                         add_flag(o_ptr->art_flags, TR_HOLD_EXP);
 796                         if (!o_ptr->artifact_bias && one_in_(5))
 797                                 o_ptr->artifact_bias = BIAS_PRIESTLY;
 798                         else if (!o_ptr->artifact_bias && one_in_(6))
 799                                 o_ptr->artifact_bias = BIAS_NECROMANTIC;
 800                         break;
 801                 case 10:
 802                 case 11:
 803                         add_flag(o_ptr->art_flags, TR_LITE_1);
 804                         break;
 805                 case 12:
 806                 case 13:
 807                         add_flag(o_ptr->art_flags, TR_LEVITATION);
 808                         break;
 809                 case 15:
 810                 case 16:
 811                 case 17:
 812                         add_flag(o_ptr->art_flags, TR_SEE_INVIS);
 813                         break;
 814                 case 19:
 815                 case 20:
 816                         add_flag(o_ptr->art_flags, TR_SLOW_DIGEST);
 817                         break;
 818                 case 21:
 819                 case 22:
 820                         add_flag(o_ptr->art_flags, TR_REGEN);
 821                         break;
 822                 case 23:
 823                         add_flag(o_ptr->art_flags, TR_TELEPORT);
 824                         break;
 825                 case 24:
 826                 case 25:
 827                 case 26:
 828                         if (object_is_armour(o_ptr))
 829                                 random_misc(o_ptr);
 830                         else
 831                         {
 832                                 o_ptr->to_a = 4 + randint1(11);
 833                         }
 834                         break;
 835                 case 27:
 836                 case 28:
 837                 case 29:
 838                 {
 839                         HIT_PROB bonus_h;
 840                         HIT_POINT bonus_d;
 841                         add_flag(o_ptr->art_flags, TR_SHOW_MODS);
 842                         bonus_h = 4 + (HIT_PROB)(randint1(11));
 843                         bonus_d = 4 + (HIT_POINT)(randint1(11));
 844                         if ((o_ptr->tval != TV_SWORD) && (o_ptr->tval != TV_POLEARM) && (o_ptr->tval != TV_HAFTED) && (o_ptr->tval != TV_DIGGING) && (o_ptr->tval != TV_GLOVES) && (o_ptr->tval != TV_RING))
 845                         {
 846                                 bonus_h /= 2;
 847                                 bonus_d /= 2;
 848                         }
 849                         o_ptr->to_h += bonus_h;
 850                         o_ptr->to_d += bonus_d;
 851                         break;
 852                 }
 853                 case 30:
 854                         add_flag(o_ptr->art_flags, TR_NO_MAGIC);
 855                         break;
 856                 case 31:
 857                         add_flag(o_ptr->art_flags, TR_NO_TELE);
 858                         break;
 859                 case 32:
 860                         add_flag(o_ptr->art_flags, TR_WARNING);
 861                         break;
 862
 863                 case 18:
 864                         switch (randint1(3))
 865                         {
 866                         case 1:
 867                                 add_flag(o_ptr->art_flags, TR_ESP_EVIL);
 868                                 if (!o_ptr->artifact_bias && one_in_(3))
 869                                         o_ptr->artifact_bias = BIAS_LAW;
 870                                 break;
 871                         case 2:
 872                                 add_flag(o_ptr->art_flags, TR_ESP_NONLIVING);
 873                                 if (!o_ptr->artifact_bias && one_in_(3))
 874                                         o_ptr->artifact_bias = BIAS_MAGE;
 875                                 break;
 876                         case 3:
 877                                 add_flag(o_ptr->art_flags, TR_TELEPATHY);
 878                                 if (!o_ptr->artifact_bias && one_in_(9))
 879                                         o_ptr->artifact_bias = BIAS_MAGE;
 880                                 break;
 881                         }
 882                         break;
 883
 884                 case 33:
 885                 {
 886                         int idx[3];
 887                         int n = randint1(3);
 888
 889                         idx[0] = randint1(10);
 890
 891                         idx[1] = randint1(9);
 892                         if (idx[1] >= idx[0]) idx[1]++;
 893
 894                         idx[2] = randint1(8);
 895                         if (idx[2] >= idx[0]) idx[2]++;
 896                         if (idx[2] >= idx[1]) idx[2]++;
 897
 898                         while (n--) switch (idx[n])
 899                         {
 900                         case 1:
 901                                 add_flag(o_ptr->art_flags, TR_ESP_ANIMAL);
 902                                 if (!o_ptr->artifact_bias && one_in_(4))
 903                                         o_ptr->artifact_bias = BIAS_RANGER;
 904                                 break;
 905                         case 2:
 906                                 add_flag(o_ptr->art_flags, TR_ESP_UNDEAD);
 907                                 if (!o_ptr->artifact_bias && one_in_(3))
 908                                         o_ptr->artifact_bias = BIAS_PRIESTLY;
 909                                 else if (!o_ptr->artifact_bias && one_in_(6))
 910                                         o_ptr->artifact_bias = BIAS_NECROMANTIC;
 911                                 break;
 912                         case 3:
 913                                 add_flag(o_ptr->art_flags, TR_ESP_DEMON);
 914                                 break;
 915                         case 4:
 916                                 add_flag(o_ptr->art_flags, TR_ESP_ORC);
 917                                 break;
 918                         case 5:
 919                                 add_flag(o_ptr->art_flags, TR_ESP_TROLL);
 920                                 break;
 921                         case 6:
 922                                 add_flag(o_ptr->art_flags, TR_ESP_GIANT);
 923                                 break;
 924                         case 7:
 925                                 add_flag(o_ptr->art_flags, TR_ESP_DRAGON);
 926                                 break;
 927                         case 8:
 928                                 add_flag(o_ptr->art_flags, TR_ESP_HUMAN);
 929                                 if (!o_ptr->artifact_bias && one_in_(6))
 930                                         o_ptr->artifact_bias = BIAS_ROGUE;
 931                                 break;
 932                         case 9:
 933                                 add_flag(o_ptr->art_flags, TR_ESP_GOOD);
 934                                 if (!o_ptr->artifact_bias && one_in_(3))
 935                                         o_ptr->artifact_bias = BIAS_LAW;
 936                                 break;
 937                         case 10:
 938                                 add_flag(o_ptr->art_flags, TR_ESP_UNIQUE);
 939                                 if (!o_ptr->artifact_bias && one_in_(3))
 940                                         o_ptr->artifact_bias = BIAS_LAW;
 941                                 break;
 942                         }
 943                         break;
 944                 }
 945         }
 946 }
 947
 948 /*!
 949  * @brief ランダムアーティファクト生成中、対象のオブジェクトにスレイ効果を付加する。/ Add one slaying on generation of randam artifact.
 950  * @details 優先的に付加される耐性がランダムアーティファクトバイアスに依存して存在する。
 951  * 原則的候補は強力射、高速射、混沌効果、吸血効果、祝福、投擲しやすい、焼棄、凍結、電撃、溶解、毒殺、
 952  * 動物スレイ、邪悪スレイ、悪魔スレイ、不死スレイ、オークスレイ、トロルスレイ、巨人スレイ、ドラゴンスレイ、
 953  * *ドラゴンスレイ*、人間スレイ、切れ味、地震、理力。
 954  * @attention オブジェクトのtval、svalに依存したハードコーディング処理がある。
 955  * @param o_ptr 対象のオブジェクト構造体ポインタ
 956  * @return なし
 957  */
 958 static void random_slay(object_type *o_ptr)
 959 {
 960         if (o_ptr->tval == TV_BOW)
 961         {
 962                 switch (randint1(6))
 963                 {
 964                         case 1:
 965                         case 2:
 966                         case 3:
 967                                 add_flag(o_ptr->art_flags, TR_XTRA_MIGHT);
 968                                 if (!one_in_(7)) remove_flag(o_ptr->art_flags, TR_XTRA_SHOTS);
 969                                 if (!o_ptr->artifact_bias && one_in_(9))
 970                                         o_ptr->artifact_bias = BIAS_RANGER;
 971                                 break;
 972                         default:
 973                                 add_flag(o_ptr->art_flags, TR_XTRA_SHOTS);
 974                                 if (!one_in_(7)) remove_flag(o_ptr->art_flags, TR_XTRA_MIGHT);
 975                                 if (!o_ptr->artifact_bias && one_in_(9))
 976                                         o_ptr->artifact_bias = BIAS_RANGER;
 977                         break;
 978                 }
 979
 980                 return;
 981         }
 982
 983         switch (o_ptr->artifact_bias)
 984         {
 985         case BIAS_CHAOS:
 986                 if (!(have_flag(o_ptr->art_flags, TR_CHAOTIC)))
 987                 {
 988                         add_flag(o_ptr->art_flags, TR_CHAOTIC);
 989                         if (one_in_(2)) return;
 990                 }
 991                 break;
 992
 993         case BIAS_PRIESTLY:
 994                 if((o_ptr->tval == TV_SWORD || o_ptr->tval == TV_POLEARM) &&
 995                    !(have_flag(o_ptr->art_flags, TR_BLESSED)))
 996                 {
 997                         /* A free power for "priestly" random artifacts */
 998                         add_flag(o_ptr->art_flags, TR_BLESSED);
 999                 }
1000                 break;
1001
1002         case BIAS_NECROMANTIC:
1003                 if (!(have_flag(o_ptr->art_flags, TR_VAMPIRIC)))
1004                 {
1005                         add_flag(o_ptr->art_flags, TR_VAMPIRIC);
1006                         if (one_in_(2)) return;
1007                 }
1008                 if (!(have_flag(o_ptr->art_flags, TR_BRAND_POIS)) && one_in_(2))
1009                 {
1010                         add_flag(o_ptr->art_flags, TR_BRAND_POIS);
1011                         if (one_in_(2)) return;
1012                 }
1013                 break;
1014
1015         case BIAS_RANGER:
1016                 if (!(have_flag(o_ptr->art_flags, TR_SLAY_ANIMAL)))
1017                 {
1018                         add_flag(o_ptr->art_flags, TR_SLAY_ANIMAL);
1019                         if (one_in_(2)) return;
1020                 }
1021                 break;
1022
1023         case BIAS_ROGUE:
1024                 if ((((o_ptr->tval == TV_SWORD) && (o_ptr->sval == SV_DAGGER)) ||
1025                      ((o_ptr->tval == TV_POLEARM) && (o_ptr->sval == SV_SPEAR))) &&
1026                          !(have_flag(o_ptr->art_flags, TR_THROW)))
1027                 {
1028                         /* Free power for rogues... */
1029                         add_flag(o_ptr->art_flags, TR_THROW);
1030                 }
1031                 if (!(have_flag(o_ptr->art_flags, TR_BRAND_POIS)))
1032                 {
1033                         add_flag(o_ptr->art_flags, TR_BRAND_POIS);
1034                         if (one_in_(2)) return;
1035                 }
1036                 break;
1037
1038         case BIAS_POIS:
1039                 if (!(have_flag(o_ptr->art_flags, TR_BRAND_POIS)))
1040                 {
1041                         add_flag(o_ptr->art_flags, TR_BRAND_POIS);
1042                         if (one_in_(2)) return;
1043                 }
1044                 break;
1045
1046         case BIAS_FIRE:
1047                 if (!(have_flag(o_ptr->art_flags, TR_BRAND_FIRE)))
1048                 {
1049                         add_flag(o_ptr->art_flags, TR_BRAND_FIRE);
1050                         if (one_in_(2)) return;
1051                 }
1052                 break;
1053
1054         case BIAS_COLD:
1055                 if (!(have_flag(o_ptr->art_flags, TR_BRAND_COLD)))
1056                 {
1057                         add_flag(o_ptr->art_flags, TR_BRAND_COLD);
1058                         if (one_in_(2)) return;
1059                 }
1060                 break;
1061
1062         case BIAS_ELEC:
1063                 if (!(have_flag(o_ptr->art_flags, TR_BRAND_ELEC)))
1064                 {
1065                         add_flag(o_ptr->art_flags, TR_BRAND_ELEC);
1066                         if (one_in_(2)) return;
1067                 }
1068                 break;
1069
1070         case BIAS_ACID:
1071                 if (!(have_flag(o_ptr->art_flags, TR_BRAND_ACID)))
1072                 {
1073                         add_flag(o_ptr->art_flags, TR_BRAND_ACID);
1074                         if (one_in_(2)) return;
1075                 }
1076                 break;
1077
1078         case BIAS_LAW:
1079                 if (!(have_flag(o_ptr->art_flags, TR_SLAY_EVIL)))
1080                 {
1081                         add_flag(o_ptr->art_flags, TR_SLAY_EVIL);
1082                         if (one_in_(2)) return;
1083                 }
1084                 if (!(have_flag(o_ptr->art_flags, TR_SLAY_UNDEAD)))
1085                 {
1086                         add_flag(o_ptr->art_flags, TR_SLAY_UNDEAD);
1087                         if (one_in_(2)) return;
1088                 }
1089                 if (!(have_flag(o_ptr->art_flags, TR_SLAY_DEMON)))
1090                 {
1091                         add_flag(o_ptr->art_flags, TR_SLAY_DEMON);
1092                         if (one_in_(2)) return;
1093                 }
1094                 break;
1095         }
1096
1097         switch (randint1(36))
1098         {
1099                 case 1:
1100                 case 2:
1101                         if (one_in_(4))
1102                         {
1103                                 add_flag(o_ptr->art_flags, TR_KILL_ANIMAL);
1104                         }
1105                         else
1106                         {
1107                                 add_flag(o_ptr->art_flags, TR_SLAY_ANIMAL);
1108                         }
1109                         break;
1110                 case 3:
1111                 case 4:
1112                         if (one_in_(8))
1113                         {
1114                                 add_flag(o_ptr->art_flags, TR_KILL_EVIL);
1115                         }
1116                         else
1117                         {
1118                                 add_flag(o_ptr->art_flags, TR_SLAY_EVIL);
1119                         }
1120                         if (!o_ptr->artifact_bias && one_in_(2))
1121                                 o_ptr->artifact_bias = BIAS_LAW;
1122                         else if (!o_ptr->artifact_bias && one_in_(9))
1123                                 o_ptr->artifact_bias = BIAS_PRIESTLY;
1124                         break;
1125                 case 5:
1126                 case 6:
1127                         if (one_in_(4))
1128                         {
1129                                 add_flag(o_ptr->art_flags, TR_KILL_UNDEAD);
1130                         }
1131                         else
1132                         {
1133                                 add_flag(o_ptr->art_flags, TR_SLAY_UNDEAD);
1134                         }
1135                         if (!o_ptr->artifact_bias && one_in_(9))
1136                                 o_ptr->artifact_bias = BIAS_PRIESTLY;
1137                         break;
1138                 case 7:
1139                 case 8:
1140                         if (one_in_(4))
1141                         {
1142                                 add_flag(o_ptr->art_flags, TR_KILL_DEMON);
1143                         }
1144                         else
1145                         {
1146                                 add_flag(o_ptr->art_flags, TR_SLAY_DEMON);
1147                         }
1148                         if (!o_ptr->artifact_bias && one_in_(9))
1149                                 o_ptr->artifact_bias = BIAS_PRIESTLY;
1150                         break;
1151                 case 9:
1152                 case 10:
1153                         if (one_in_(4))
1154                         {
1155                                 add_flag(o_ptr->art_flags, TR_KILL_ORC);
1156                         }
1157                         else
1158                         {
1159                                 add_flag(o_ptr->art_flags, TR_SLAY_ORC);
1160                         }
1161                         break;
1162                 case 11:
1163                 case 12:
1164                         if (one_in_(4))
1165                         {
1166                                 add_flag(o_ptr->art_flags, TR_KILL_TROLL);
1167                         }
1168                         else
1169                         {
1170                                 add_flag(o_ptr->art_flags, TR_SLAY_TROLL);
1171                         }
1172                         break;
1173                 case 13:
1174                 case 14:
1175                         if (one_in_(4))
1176                         {
1177                                 add_flag(o_ptr->art_flags, TR_KILL_GIANT);
1178                         }
1179                         else
1180                         {
1181                                 add_flag(o_ptr->art_flags, TR_SLAY_GIANT);
1182                         }
1183                         break;
1184                 case 15:
1185                 case 16:
1186                         add_flag(o_ptr->art_flags, TR_SLAY_DRAGON);
1187                         break;
1188                 case 17:
1189                         add_flag(o_ptr->art_flags, TR_KILL_DRAGON);
1190                         break;
1191                 case 18:
1192                 case 19:
1193                         if (o_ptr->tval == TV_SWORD)
1194                         {
1195                                 add_flag(o_ptr->art_flags, TR_VORPAL);
1196                                 if (!o_ptr->artifact_bias && one_in_(9))
1197                                         o_ptr->artifact_bias = BIAS_WARRIOR;
1198                         }
1199                         else
1200                                 random_slay(o_ptr);
1201                         break;
1202                 case 20:
1203                         add_flag(o_ptr->art_flags, TR_IMPACT);
1204                         break;
1205                 case 21:
1206                 case 22:
1207                         add_flag(o_ptr->art_flags, TR_BRAND_FIRE);
1208                         if (!o_ptr->artifact_bias)
1209                                 o_ptr->artifact_bias = BIAS_FIRE;
1210                         break;
1211                 case 23:
1212                 case 24:
1213                         add_flag(o_ptr->art_flags, TR_BRAND_COLD);
1214                         if (!o_ptr->artifact_bias)
1215                                 o_ptr->artifact_bias = BIAS_COLD;
1216                         break;
1217                 case 25:
1218                 case 26:
1219                         add_flag(o_ptr->art_flags, TR_BRAND_ELEC);
1220                         if (!o_ptr->artifact_bias)
1221                                 o_ptr->artifact_bias = BIAS_ELEC;
1222                         break;
1223                 case 27:
1224                 case 28:
1225                         add_flag(o_ptr->art_flags, TR_BRAND_ACID);
1226                         if (!o_ptr->artifact_bias)
1227                                 o_ptr->artifact_bias = BIAS_ACID;
1228                         break;
1229                 case 29:
1230                 case 30:
1231                         add_flag(o_ptr->art_flags, TR_BRAND_POIS);
1232                         if (!o_ptr->artifact_bias && !one_in_(3))
1233                                 o_ptr->artifact_bias = BIAS_POIS;
1234                         else if (!o_ptr->artifact_bias && one_in_(6))
1235                                 o_ptr->artifact_bias = BIAS_NECROMANTIC;
1236                         else if (!o_ptr->artifact_bias)
1237                                 o_ptr->artifact_bias = BIAS_ROGUE;
1238                         break;
1239                 case 31:
1240                         add_flag(o_ptr->art_flags, TR_VAMPIRIC);
1241                         if (!o_ptr->artifact_bias)
1242                                 o_ptr->artifact_bias = BIAS_NECROMANTIC;
1243                         break;
1244                 case 32:
1245                         add_flag(o_ptr->art_flags, TR_FORCE_WEAPON);
1246                         if (!o_ptr->artifact_bias)
1247                                 o_ptr->artifact_bias = (one_in_(2) ? BIAS_MAGE : BIAS_PRIESTLY);
1248                         break;
1249                 case 33:
1250                 case 34:
1251                         if (one_in_(4))
1252                         {
1253                                 add_flag(o_ptr->art_flags, TR_KILL_HUMAN);
1254                         }
1255                         else
1256                         {
1257                                 add_flag(o_ptr->art_flags, TR_SLAY_HUMAN);
1258                         }
1259                         break;
1260                 default:
1261                         add_flag(o_ptr->art_flags, TR_CHAOTIC);
1262                         if (!o_ptr->artifact_bias)
1263                                 o_ptr->artifact_bias = BIAS_CHAOS;
1264                         break;
1265         }
1266 }
1267
1268 /*!
1269  * @brief ランダムアーティファクト生成中、対象のオブジェクトにバイアスに依存した発動を与える。/ Add one activaton of randam artifact depend on bias.
1270  * @details バイアスが無い場合、一部のバイアスの確率によっては one_ability() に処理が移行する。
1271  * @param o_ptr 対象のオブジェクト構造体ポインタ
1272  * @return なし
1273  */
1274 static void give_activation_power(object_type *o_ptr)
1275 {
1276         int type = 0, chance = 0;
1277
1278         switch (o_ptr->artifact_bias)
1279         {
1280                 case BIAS_ELEC:
1281                         if (!one_in_(3))
1282                         {
1283                                 type = ACT_BO_ELEC_1;
1284                         }
1285                         else if (!one_in_(5))
1286                         {
1287                                 type = ACT_BA_ELEC_2;
1288                         }
1289                         else
1290                         {
1291                                 type = ACT_BA_ELEC_3;
1292                         }
1293                         chance = 101;
1294                         break;
1295
1296                 case BIAS_POIS:
1297                         type = ACT_BA_POIS_1;
1298                         chance = 101;
1299                         break;
1300
1301                 case BIAS_FIRE:
1302                         if (!one_in_(3))
1303                         {
1304                                 type = ACT_BO_FIRE_1;
1305                         }
1306                         else if (!one_in_(5))
1307                         {
1308                                 type = ACT_BA_FIRE_1;
1309                         }
1310                         else
1311                         {
1312                                 type = ACT_BA_FIRE_2;
1313                         }
1314                         chance = 101;
1315                         break;
1316
1317                 case BIAS_COLD:
1318                         chance = 101;
1319                         if (!one_in_(3))
1320                                 type = ACT_BO_COLD_1;
1321                         else if (!one_in_(3))
1322                                 type = ACT_BA_COLD_1;
1323                         else if (!one_in_(3))
1324                                 type = ACT_BA_COLD_2;
1325                         else
1326                                 type = ACT_BA_COLD_3;
1327                         break;
1328
1329                 case BIAS_CHAOS:
1330                         chance = 50;
1331                         if (one_in_(6))
1332                                 type = ACT_SUMMON_DEMON;
1333                         else
1334                                 type = ACT_CALL_CHAOS;
1335                         break;
1336
1337                 case BIAS_PRIESTLY:
1338                         chance = 101;
1339
1340                         if (one_in_(13))
1341                                 type = ACT_CHARM_UNDEAD;
1342                         else if (one_in_(12))
1343                                 type = ACT_BANISH_EVIL;
1344                         else if (one_in_(11))
1345                                 type = ACT_DISP_EVIL;
1346                         else if (one_in_(10))
1347                                 type = ACT_PROT_EVIL;
1348                         else if (one_in_(9))
1349                                 type = ACT_CURE_1000;
1350                         else if (one_in_(8))
1351                                 type = ACT_CURE_700;
1352                         else if (one_in_(7))
1353                                 type = ACT_REST_ALL;
1354                         else if (one_in_(6))
1355                                 type = ACT_REST_EXP;
1356                         else
1357                                 type = ACT_CURE_MW;
1358                         break;
1359
1360                 case BIAS_NECROMANTIC:
1361                         chance = 101;
1362                         if (one_in_(66))
1363                                 type = ACT_WRAITH;
1364                         else if (one_in_(13))
1365                                 type = ACT_DISP_GOOD;
1366                         else if (one_in_(9))
1367                                 type = ACT_MASS_GENO;
1368                         else if (one_in_(8))
1369                                 type = ACT_GENOCIDE;
1370                         else if (one_in_(13))
1371                                 type = ACT_SUMMON_UNDEAD;
1372                         else if (one_in_(9))
1373                                 type = ACT_DRAIN_2;
1374                         else if (one_in_(6))
1375                                 type = ACT_CHARM_UNDEAD;
1376                         else
1377                                 type = ACT_DRAIN_1;
1378                         break;
1379
1380                 case BIAS_LAW:
1381                         chance = 101;
1382                         if (one_in_(8))
1383                                 type = ACT_BANISH_EVIL;
1384                         else if (one_in_(4))
1385                                 type = ACT_DISP_EVIL;
1386                         else
1387                                 type = ACT_PROT_EVIL;
1388                         break;
1389
1390                 case BIAS_ROGUE:
1391                         chance = 101;
1392                         if (one_in_(50))
1393                                 type = ACT_SPEED;
1394                         else if (one_in_(4))
1395                                 type = ACT_SLEEP;
1396                         else if (one_in_(3))
1397                                 type = ACT_DETECT_ALL;
1398                         else if (one_in_(8))
1399                                 type = ACT_ID_FULL;
1400                         else
1401                                 type = ACT_ID_PLAIN;
1402                         break;
1403
1404                 case BIAS_MAGE:
1405                         chance = 66;
1406                         if (one_in_(20))
1407                                 type = ACT_SUMMON_ELEMENTAL;
1408                         else if (one_in_(10))
1409                                 type = ACT_SUMMON_PHANTOM;
1410                         else if (one_in_(5))
1411                                 type = ACT_RUNE_EXPLO;
1412                         else
1413                                 type = ACT_ESP;
1414                         break;
1415
1416                 case BIAS_WARRIOR:
1417                         chance = 80;
1418                         if (one_in_(100))
1419                                 type = ACT_INVULN;
1420                         else
1421                                 type = ACT_BERSERK;
1422                         break;
1423
1424                 case BIAS_RANGER:
1425                         chance = 101;
1426                         if (one_in_(20))
1427                                 type = ACT_CHARM_ANIMALS;
1428                         else if (one_in_(7))
1429                                 type = ACT_SUMMON_ANIMAL;
1430                         else if (one_in_(6))
1431                                 type = ACT_CHARM_ANIMAL;
1432                         else if (one_in_(4))
1433                                 type = ACT_RESIST_ALL;
1434                         else if (one_in_(3))
1435                                 type = ACT_SATIATE;
1436                         else
1437                                 type = ACT_CURE_POISON;
1438                         break;
1439         }
1440
1441         if (!type || (randint1(100) >= chance))
1442         {
1443                 one_activation(o_ptr);
1444                 return;
1445         }
1446
1447         /* A type was chosen... */
1448         o_ptr->xtra2 = (byte_hack)type;
1449         add_flag(o_ptr->art_flags, TR_ACTIVATE);
1450         o_ptr->timeout = 0;
1451 }
1452
1453 /*!
1454  * @brief ランダムアーティファクト生成中、対象のオブジェクトに名前を与える。/ Set name of randomartifact.
1455  * @details 確率によって、シンダリン銘、漢字銘、固定名のいずれか一つが与えられる。
1456  * @param o_ptr 処理中のアイテム参照ポインタ
1457  * @param return_name 名前を返すための文字列参照ポインタ
1458  * @param armour 対象のオブジェクトが防具が否か
1459  * @param power 銘の基準となるオブジェクトの価値レベル(0=呪い、1=低位、2=中位、3以上=高位)
1460  * @return なし
1461  */
1462 static void get_random_name(object_type *o_ptr, char *return_name, bool armour, int power)
1463 {
1464         PERCENTAGE prob = randint1(100);
1465
1466         if (prob <= SINDARIN_NAME)
1467         {
1468                 get_table_sindarin(return_name);
1469         }
1470         else if (prob <= TABLE_NAME)
1471         {
1472                 get_table_name(return_name);
1473         }
1474         else
1475         {
1476                 concptr filename;
1477
1478                 switch (armour)
1479                 {
1480                         case 1:
1481                                 switch (power)
1482                                 {
1483                                         case 0:
1484                                                 filename = _("a_cursed_j.txt", "a_cursed.txt");
1485                                                 break;
1486                                         case 1:
1487                                                 filename = _("a_low_j.txt", "a_low.txt");
1488                                                 break;
1489                                         case 2:
1490                                                 filename = _("a_med_j.txt", "a_med.txt");
1491                                                 break;
1492                                         default:
1493                                                 filename = _("a_high_j.txt", "a_high.txt");
1494                                 }
1495                                 break;
1496                         default:
1497                                 switch (power)
1498                                 {
1499                                         case 0:
1500                                                 filename = _("w_cursed_j.txt", "w_cursed.txt");
1501                                                 break;
1502                                         case 1:
1503                                                 filename = _("w_low_j.txt", "w_low.txt");
1504                                                 break;
1505                                         case 2:
1506                                                 filename = _("w_med_j.txt", "w_med.txt");
1507                                                 break;
1508                                         default:
1509                                                 filename = _("w_high_j.txt", "w_high.txt");
1510                                 }
1511                 }
1512
1513                 (void)get_rnd_line(filename, o_ptr->artifact_bias, return_name);
1514 #ifdef JP
1515                  if (return_name[0] == 0) get_table_name(return_name);
1516 #endif
1517         }
1518 }
1519
1520 /*!
1521  * @brief ランダムアーティファクト生成のメインルーチン
1522  * @details 既に生成が済んでいるオブジェクトの構造体を、アーティファクトとして強化する。
1523  * @param o_ptr 対象のオブジェクト構造体ポインタ
1524  * @param a_scroll アーティファクト生成の巻物上の処理。呪いのアーティファクトが生成対象外となる。
1525  * @return 常にTRUE(1)を返す
1526  */
1527 bool create_artifact(object_type *o_ptr, bool a_scroll)
1528 {
1529         GAME_TEXT new_name[1024];
1530         PARAMETER_VALUE has_pval = 0;
1531         int     powers = randint1(5) + 1;
1532         int     max_powers;
1533         int     max_type = (object_is_weapon_ammo(o_ptr) ? 7 : 5);
1534         int     power_level;
1535         s32b    total_flags;
1536         bool    a_cursed = FALSE;
1537         int     warrior_artifact_bias = 0;
1538         int i;
1539
1540         /* Reset artifact bias */
1541         o_ptr->artifact_bias = 0;
1542
1543         /* Nuke enchantments */
1544         o_ptr->name1 = 0;
1545         o_ptr->name2 = 0;
1546
1547         for (i = 0; i < TR_FLAG_SIZE; i++)
1548                 o_ptr->art_flags[i] |= k_info[o_ptr->k_idx].flags[i];
1549
1550         if (o_ptr->pval) has_pval = TRUE;
1551
1552         if (a_scroll && one_in_(4))
1553         {
1554                 switch (p_ptr->pclass)
1555                 {
1556                         case CLASS_WARRIOR:
1557                         case CLASS_BERSERKER:
1558                         case CLASS_ARCHER:
1559                         case CLASS_SAMURAI:
1560                         case CLASS_CAVALRY:
1561                         case CLASS_SMITH:
1562                                 o_ptr->artifact_bias = BIAS_WARRIOR;
1563                                 break;
1564                         case CLASS_MAGE:
1565                         case CLASS_HIGH_MAGE:
1566                         case CLASS_SORCERER:
1567                         case CLASS_MAGIC_EATER:
1568                         case CLASS_BLUE_MAGE:
1569                                 o_ptr->artifact_bias = BIAS_MAGE;
1570                                 break;
1571                         case CLASS_PRIEST:
1572                                 o_ptr->artifact_bias = BIAS_PRIESTLY;
1573                                 break;
1574                         case CLASS_ROGUE:
1575                         case CLASS_NINJA:
1576                                 o_ptr->artifact_bias = BIAS_ROGUE;
1577                                 warrior_artifact_bias = 25;
1578                                 break;
1579                         case CLASS_RANGER:
1580                         case CLASS_SNIPER:
1581                                 o_ptr->artifact_bias = BIAS_RANGER;
1582                                 warrior_artifact_bias = 30;
1583                                 break;
1584                         case CLASS_PALADIN:
1585                                 o_ptr->artifact_bias = BIAS_PRIESTLY;
1586                                 warrior_artifact_bias = 40;
1587                                 break;
1588                         case CLASS_WARRIOR_MAGE:
1589                         case CLASS_RED_MAGE:
1590                                 o_ptr->artifact_bias = BIAS_MAGE;
1591                                 warrior_artifact_bias = 40;
1592                                 break;
1593                         case CLASS_CHAOS_WARRIOR:
1594                                 o_ptr->artifact_bias = BIAS_CHAOS;
1595                                 warrior_artifact_bias = 40;
1596                                 break;
1597                         case CLASS_MONK:
1598                         case CLASS_FORCETRAINER:
1599                                 o_ptr->artifact_bias = BIAS_PRIESTLY;
1600                                 break;
1601                         case CLASS_MINDCRAFTER:
1602                         case CLASS_BARD:
1603                                 if (randint1(5) > 2) o_ptr->artifact_bias = BIAS_PRIESTLY;
1604                                 break;
1605                         case CLASS_TOURIST:
1606                                 if (randint1(5) > 2) o_ptr->artifact_bias = BIAS_WARRIOR;
1607                                 break;
1608                         case CLASS_IMITATOR:
1609                                 if (randint1(2) > 1) o_ptr->artifact_bias = BIAS_RANGER;
1610                                 break;
1611                         case CLASS_BEASTMASTER:
1612                                 o_ptr->artifact_bias = BIAS_CHR;
1613                                 warrior_artifact_bias = 50;
1614                                 break;
1615                         case CLASS_MIRROR_MASTER:
1616                                 if (randint1(4) > 1)
1617                                 {
1618                                     o_ptr->artifact_bias = BIAS_MAGE;
1619                                 }
1620                                 else
1621                                 {
1622                                     o_ptr->artifact_bias = BIAS_ROGUE;
1623                                 }
1624                                 break;
1625                 }
1626         }
1627
1628         if (a_scroll && (randint1(100) <= warrior_artifact_bias))
1629                 o_ptr->artifact_bias = BIAS_WARRIOR;
1630
1631         strcpy(new_name, "");
1632
1633         if (!a_scroll && one_in_(A_CURSED))
1634                 a_cursed = TRUE;
1635         if (((o_ptr->tval == TV_AMULET) || (o_ptr->tval == TV_RING)) && object_is_cursed(o_ptr))
1636                 a_cursed = TRUE;
1637
1638         while (one_in_(powers) || one_in_(7) || one_in_(10))
1639                 powers++;
1640
1641         if (!a_cursed && one_in_(WEIRD_LUCK))
1642                 powers *= 2;
1643
1644         if (a_cursed) powers /= 2;
1645
1646         max_powers = powers;
1647         /* Main loop */
1648         while (powers--)
1649         {
1650                 switch (randint1(max_type))
1651                 {
1652                         case 1: case 2:
1653                                 random_plus(o_ptr);
1654                                 has_pval = TRUE;
1655                                 break;
1656                         case 3: case 4:
1657                                 if (one_in_(2) && object_is_weapon_ammo(o_ptr) && (o_ptr->tval != TV_BOW))
1658                                 {
1659                                         if (a_cursed && !one_in_(13)) break;
1660                                         if (one_in_(13))
1661                                         {
1662                                                 if (one_in_(o_ptr->ds+4)) o_ptr->ds++;
1663                                         }
1664                                         else
1665                                         {
1666                                                 if (one_in_(o_ptr->dd+1)) o_ptr->dd++;
1667                                         }
1668                                 }
1669                                 else
1670                                         random_resistance(o_ptr);
1671                                 break;
1672                         case 5:
1673                                 random_misc(o_ptr);
1674                                 break;
1675                         case 6: case 7:
1676                                 random_slay(o_ptr);
1677                                 break;
1678                         default:
1679                                 if (p_ptr->wizard) msg_print("Switch error in create_artifact!");
1680                                 powers++;
1681                 }
1682         };
1683
1684         if (has_pval)
1685         {
1686                 if (have_flag(o_ptr->art_flags, TR_BLOWS))
1687                 {
1688                         o_ptr->pval = randint1(2);
1689                         if ((o_ptr->tval == TV_SWORD) && (o_ptr->sval == SV_HAYABUSA))
1690                                 o_ptr->pval++;
1691                 }
1692                 else
1693                 {
1694                         do
1695                         {
1696                                 o_ptr->pval++;
1697                         }
1698                         while (o_ptr->pval < randint1(5) || one_in_(o_ptr->pval));
1699                 }
1700
1701                 if ((o_ptr->pval > 4) && !one_in_(WEIRD_LUCK))
1702                         o_ptr->pval = 4;
1703         }
1704
1705
1706         /* give it some plusses... */
1707         if (object_is_armour(o_ptr))
1708                 o_ptr->to_a += randint1(o_ptr->to_a > 19 ? 1 : 20 - o_ptr->to_a);
1709         else if (object_is_weapon_ammo(o_ptr))
1710         {
1711                 o_ptr->to_h += randint1(o_ptr->to_h > 19 ? 1 : 20 - o_ptr->to_h);
1712                 o_ptr->to_d += randint1(o_ptr->to_d > 19 ? 1 : 20 - o_ptr->to_d);
1713                 if ((have_flag(o_ptr->art_flags, TR_WIS)) && (o_ptr->pval > 0)) add_flag(o_ptr->art_flags, TR_BLESSED);
1714         }
1715
1716         /* Just to be sure */
1717         add_flag(o_ptr->art_flags, TR_IGNORE_ACID);
1718         add_flag(o_ptr->art_flags, TR_IGNORE_ELEC);
1719         add_flag(o_ptr->art_flags, TR_IGNORE_FIRE);
1720         add_flag(o_ptr->art_flags, TR_IGNORE_COLD);
1721
1722         total_flags = flag_cost(o_ptr, o_ptr->pval);
1723
1724         if (a_cursed) curse_artifact(o_ptr);
1725
1726         if (!a_cursed &&
1727             one_in_(object_is_armour(o_ptr) ? ACTIVATION_CHANCE * 2 : ACTIVATION_CHANCE))
1728         {
1729                 o_ptr->xtra2 = 0;
1730                 give_activation_power(o_ptr);
1731         }
1732
1733         if (object_is_armour(o_ptr))
1734         {
1735                 while ((o_ptr->to_d+o_ptr->to_h) > 20)
1736                 {
1737                         if (one_in_(o_ptr->to_d) && one_in_(o_ptr->to_h)) break;
1738                         o_ptr->to_d -= (HIT_POINT)randint0(3);
1739                         o_ptr->to_h -= (HIT_PROB)randint0(3);
1740                 }
1741                 while ((o_ptr->to_d+o_ptr->to_h) > 10)
1742                 {
1743                         if (one_in_(o_ptr->to_d) || one_in_(o_ptr->to_h)) break;
1744                         o_ptr->to_d -= (HIT_POINT)randint0(3);
1745                         o_ptr->to_h -= (HIT_PROB)randint0(3);
1746                 }
1747         }
1748
1749         if (((o_ptr->artifact_bias == BIAS_MAGE) || (o_ptr->artifact_bias == BIAS_INT)) && (o_ptr->tval == TV_GLOVES)) add_flag(o_ptr->art_flags, TR_FREE_ACT);
1750
1751         if ((o_ptr->tval == TV_SWORD) && (o_ptr->sval == SV_DOKUBARI))
1752         {
1753                 o_ptr->to_h = 0;
1754                 o_ptr->to_d = 0;
1755                 remove_flag(o_ptr->art_flags, TR_BLOWS);
1756                 remove_flag(o_ptr->art_flags, TR_FORCE_WEAPON);
1757                 remove_flag(o_ptr->art_flags, TR_SLAY_ANIMAL);
1758                 remove_flag(o_ptr->art_flags, TR_SLAY_EVIL);
1759                 remove_flag(o_ptr->art_flags, TR_SLAY_UNDEAD);
1760                 remove_flag(o_ptr->art_flags, TR_SLAY_DEMON);
1761                 remove_flag(o_ptr->art_flags, TR_SLAY_ORC);
1762                 remove_flag(o_ptr->art_flags, TR_SLAY_TROLL);
1763                 remove_flag(o_ptr->art_flags, TR_SLAY_GIANT);
1764                 remove_flag(o_ptr->art_flags, TR_SLAY_DRAGON);
1765                 remove_flag(o_ptr->art_flags, TR_KILL_DRAGON);
1766                 remove_flag(o_ptr->art_flags, TR_SLAY_HUMAN);
1767                 remove_flag(o_ptr->art_flags, TR_VORPAL);
1768                 remove_flag(o_ptr->art_flags, TR_BRAND_POIS);
1769                 remove_flag(o_ptr->art_flags, TR_BRAND_ACID);
1770                 remove_flag(o_ptr->art_flags, TR_BRAND_ELEC);
1771                 remove_flag(o_ptr->art_flags, TR_BRAND_FIRE);
1772                 remove_flag(o_ptr->art_flags, TR_BRAND_COLD);
1773         }
1774
1775         if (!object_is_weapon_ammo(o_ptr))
1776         {
1777                 /* For armors */
1778                 if (a_cursed) power_level = 0;
1779                 else if (total_flags < 15000) power_level = 1;
1780                 else if (total_flags < 35000) power_level = 2;
1781                 else power_level = 3;
1782         }
1783
1784         else
1785         {
1786                 /* For weapons */
1787                 if (a_cursed) power_level = 0;
1788                 else if (total_flags < 20000) power_level = 1;
1789                 else if (total_flags < 45000) power_level = 2;
1790                 else power_level = 3;
1791         }
1792
1793         /* ダメージ抑制処理を行う */
1794         while (has_extreme_damage_rate(o_ptr) && !one_in_(SWORDFISH_LUCK))
1795         {
1796                 weakening_artifact(o_ptr);
1797         }
1798
1799         if (a_scroll)
1800         {
1801                 GAME_TEXT dummy_name[MAX_NLEN] = "";
1802                 concptr ask_msg = _("このアーティファクトを何と名付けますか？", "What do you want to call the artifact? ");
1803
1804                 object_aware(o_ptr);
1805                 object_known(o_ptr);
1806
1807                 /* Mark the item as fully known */
1808                 o_ptr->ident |= (IDENT_MENTAL);
1809
1810                 /* For being treated as random artifact in screen_object() */
1811                 o_ptr->art_name = quark_add("");
1812
1813                 (void)screen_object(o_ptr, 0L);
1814
1815                 if (!get_string(ask_msg, dummy_name, sizeof dummy_name)
1816                     || !dummy_name[0])
1817                 {
1818                         /* Cancelled */
1819                         if (one_in_(2))
1820                         {
1821                                 get_table_sindarin_aux(dummy_name);
1822                         }
1823                         else
1824                         {
1825                                 get_table_name_aux(dummy_name);
1826                         }
1827                 }
1828                 sprintf(new_name, _("《%s》", "'%s'"), dummy_name);
1829                 chg_virtue(V_INDIVIDUALISM, 2);
1830                 chg_virtue(V_ENCHANT, 5);
1831         }
1832         else
1833         {
1834                 get_random_name(o_ptr, new_name, object_is_armour(o_ptr), power_level);
1835         }
1836
1837         /* Save the inscription */
1838         o_ptr->art_name = quark_add(new_name);
1839
1840         msg_format_wizard(CHEAT_OBJECT, _("パワー %d で 価値%ld のランダムアーティファクト生成 バイアスは「%s」",
1841                 "Random artifact generated - Power:%d Value:%d Bias:%s."), max_powers, total_flags, artifact_bias_name[o_ptr->artifact_bias]);
1842
1843         p_ptr->window |= (PW_INVEN | PW_EQUIP);
1844
1845         return TRUE;
1846 }
1847
1848 /*!
1849  * @brief オブジェクトから能力発動IDを取得する。
1850  * @details いくつかのケースで定義されている発動効果から、
1851  * 鍛冶師による付与＞固定アーティファクト＞エゴ＞ランダムアーティファクト＞ベースアイテムの優先順位で走査していく。
1852  * @param o_ptr 対象のオブジェクト構造体ポインタ
1853  * @return 発動効果のIDを返す
1854  */
1855 int activation_index(object_type *o_ptr)
1856 {
1857         /* Give priority to weaponsmith's essential activations */
1858         if (object_is_smith(o_ptr))
1859         {
1860                 switch (o_ptr->xtra3 - 1)
1861                 {
1862                 case ESSENCE_TMP_RES_ACID: return ACT_RESIST_ACID;
1863                 case ESSENCE_TMP_RES_ELEC: return ACT_RESIST_ELEC;
1864                 case ESSENCE_TMP_RES_FIRE: return ACT_RESIST_FIRE;
1865                 case ESSENCE_TMP_RES_COLD: return ACT_RESIST_COLD;
1866                 case TR_IMPACT: return ACT_QUAKE;
1867                 }
1868         }
1869
1870         if (object_is_fixed_artifact(o_ptr))
1871         {
1872                 if (have_flag(a_info[o_ptr->name1].flags, TR_ACTIVATE))
1873                 {
1874                         return a_info[o_ptr->name1].act_idx;
1875                 }
1876         }
1877         if (object_is_ego(o_ptr))
1878         {
1879                 if (have_flag(e_info[o_ptr->name2].flags, TR_ACTIVATE))
1880                 {
1881                         return e_info[o_ptr->name2].act_idx;
1882                 }
1883         }
1884         if (!object_is_random_artifact(o_ptr))
1885         {
1886                 if (have_flag(k_info[o_ptr->k_idx].flags, TR_ACTIVATE))
1887                 {
1888                         return k_info[o_ptr->k_idx].act_idx;
1889                 }
1890         }
1891
1892         return o_ptr->xtra2;
1893 }
1894
1895 /*!
1896  * @brief オブジェクトから発動効果構造体のポインタを取得する。
1897  * @details activation_index() 関数の結果から参照する。
1898  * @param o_ptr 対象のオブジェクト構造体ポインタ
1899  * @return 発動効果構造体のポインタを返す
1900  */
1901 const activation_type* find_activation_info(object_type *o_ptr)
1902 {
1903         const int index = activation_index(o_ptr);
1904         const activation_type* p;
1905
1906         for (p = activation_info; p->flag != NULL; ++ p) {
1907                 if (p->index == index)
1908                 {
1909                         return p;
1910                 }
1911         }
1912
1913         return NULL;
1914 }
1915
1916 /*!
1917  * @brief 固定アーティファクト生成時の特別なハードコーディング処理を行う。.
1918  * @details random_artifact_resistance()とあるが実際は固定アーティファクトである。
1919  * 対象は恐怖の仮面、村正、ロビントンのハープ、龍争虎鬪、ブラッディムーン、羽衣、天女の羽衣、ミリム、
1920  * その他追加耐性、特性追加処理。
1921  * @attention プレイヤーの各種ステータスに依存した処理がある。
1922  * @todo 折を見て関数名を変更すること。
1923  * @param o_ptr 対象のオブジェクト構造体ポインタ
1924  * @param a_ptr 生成する固定アーティファクト構造体ポインタ
1925  * @return なし
1926  */
1927 void random_artifact_resistance(object_type * o_ptr, artifact_type *a_ptr)
1928 {
1929         bool give_resistance = FALSE, give_power = FALSE;
1930
1931         if (o_ptr->name1 == ART_TERROR) /* Terror Mask is for warriors... */
1932         {
1933                 if (p_ptr->pclass == CLASS_WARRIOR || p_ptr->pclass == CLASS_ARCHER || p_ptr->pclass == CLASS_CAVALRY || p_ptr->pclass == CLASS_BERSERKER)
1934                 {
1935                         give_power = TRUE;
1936                         give_resistance = TRUE;
1937                 }
1938                 else
1939                 {
1940                         add_flag(o_ptr->art_flags, TR_AGGRAVATE);
1941                         add_flag(o_ptr->art_flags, TR_TY_CURSE);
1942                         o_ptr->curse_flags |=
1943                             (TRC_CURSED | TRC_HEAVY_CURSE);
1944                         o_ptr->curse_flags |= get_curse(2, o_ptr);
1945                         return;
1946                 }
1947         }
1948
1949         if (o_ptr->name1 == ART_MURAMASA)
1950         {
1951                 if (p_ptr->pclass != CLASS_SAMURAI)
1952                 {
1953                         add_flag(o_ptr->art_flags, TR_NO_MAGIC);
1954                         o_ptr->curse_flags |= (TRC_HEAVY_CURSE);
1955                 }
1956         }
1957
1958         if (o_ptr->name1 == ART_ROBINTON)
1959         {
1960                 if (p_ptr->pclass == CLASS_BARD)
1961                 {
1962                         add_flag(o_ptr->art_flags, TR_DEC_MANA);
1963                 }
1964         }
1965
1966         if (o_ptr->name1 == ART_XIAOLONG)
1967         {
1968                 if (p_ptr->pclass == CLASS_MONK)
1969                         add_flag(o_ptr->art_flags, TR_BLOWS);
1970         }
1971
1972         if (o_ptr->name1 == ART_BLOOD)
1973         {
1974                 get_bloody_moon_flags(o_ptr);
1975         }
1976
1977         if (o_ptr->name1 == ART_HEAVENLY_MAIDEN)
1978         {
1979                 if (p_ptr->psex != SEX_FEMALE)
1980                 {
1981                         add_flag(o_ptr->art_flags, TR_AGGRAVATE);
1982                 }
1983         }
1984
1985         if (o_ptr->name1 == ART_MILIM)
1986         {
1987                 if (p_ptr->pseikaku == SEIKAKU_SEXY)
1988                 {
1989                         o_ptr->pval = 3;
1990                         add_flag(o_ptr->art_flags, TR_STR);
1991                         add_flag(o_ptr->art_flags, TR_INT);
1992                         add_flag(o_ptr->art_flags, TR_WIS);
1993                         add_flag(o_ptr->art_flags, TR_DEX);
1994                         add_flag(o_ptr->art_flags, TR_CON);
1995                         add_flag(o_ptr->art_flags, TR_CHR);
1996                 }
1997         }
1998
1999         if (a_ptr->gen_flags & (TRG_XTRA_POWER)) give_power = TRUE;
2000         if (a_ptr->gen_flags & (TRG_XTRA_H_RES)) give_resistance = TRUE;
2001         if (a_ptr->gen_flags & (TRG_XTRA_RES_OR_POWER))
2002         {
2003                 /* Give a resistance OR a power */
2004                 if (one_in_(2)) give_resistance = TRUE;
2005                 else give_power = TRUE;
2006         }
2007
2008         if (give_power)
2009         {
2010                 one_ability(o_ptr);
2011         }
2012
2013         if (give_resistance)
2014         {
2015                 one_high_resistance(o_ptr);
2016         }
2017 }
2018
2019
2020 /*!
2021  * @brief フロアの指定された位置に固定アーティファクトを生成する。 / Create the artifact of the specified number
2022  * @details 固定アーティファクト構造体から基本ステータスをコピーした後、所定の座標でdrop_item()で落とす。
2023  * @param a_idx 生成する固定アーティファクト構造体のID
2024  * @param y アイテムを落とす地点のy座標
2025  * @param x アイテムを落とす地点のx座標
2026  * @return 生成が成功したか否か、失敗はIDの不全、ベースアイテムの不全、drop_item()の失敗時に起こる。
2027  * @attention この処理はdrop_near()内で普通の固定アーティファクトが重ならない性質に依存する.
2028  * 仮に2個以上存在可能かつ装備品以外の固定アーティファクトが作成されれば
2029  * drop_near()関数の返り値は信用できなくなる.
2030  */
2031 bool create_named_art(ARTIFACT_IDX a_idx, POSITION y, POSITION x)
2032 {
2033         object_type forge;
2034         object_type *q_ptr;
2035         KIND_OBJECT_IDX i;
2036
2037         artifact_type *a_ptr = &a_info[a_idx];
2038         q_ptr = &forge;
2039
2040         /* Ignore "empty" artifacts */
2041         if (!a_ptr->name) return FALSE;
2042
2043         /* Acquire the "kind" index */
2044         i = lookup_kind(a_ptr->tval, a_ptr->sval);
2045
2046         if (!i) return FALSE;
2047
2048         object_prep(q_ptr, i);
2049
2050         /* Save the name */
2051         q_ptr->name1 = a_idx;
2052
2053         /* Extract the fields */
2054         q_ptr->pval = a_ptr->pval;
2055         q_ptr->ac = a_ptr->ac;
2056         q_ptr->dd = a_ptr->dd;
2057         q_ptr->ds = a_ptr->ds;
2058         q_ptr->to_a = a_ptr->to_a;
2059         q_ptr->to_h = a_ptr->to_h;
2060         q_ptr->to_d = a_ptr->to_d;
2061         q_ptr->weight = a_ptr->weight;
2062
2063         /* Hack -- extract the "cursed" flag */
2064         if (a_ptr->gen_flags & TRG_CURSED) q_ptr->curse_flags |= (TRC_CURSED);
2065         if (a_ptr->gen_flags & TRG_HEAVY_CURSE) q_ptr->curse_flags |= (TRC_HEAVY_CURSE);
2066         if (a_ptr->gen_flags & TRG_PERMA_CURSE) q_ptr->curse_flags |= (TRC_PERMA_CURSE);
2067         if (a_ptr->gen_flags & (TRG_RANDOM_CURSE0)) q_ptr->curse_flags |= get_curse(0, q_ptr);
2068         if (a_ptr->gen_flags & (TRG_RANDOM_CURSE1)) q_ptr->curse_flags |= get_curse(1, q_ptr);
2069         if (a_ptr->gen_flags & (TRG_RANDOM_CURSE2)) q_ptr->curse_flags |= get_curse(2, q_ptr);
2070
2071         random_artifact_resistance(q_ptr, a_ptr);
2072
2073         /* Drop the artifact from heaven */
2074         return drop_near(q_ptr, -1, y, x) ? TRUE : FALSE;
2075 }
2076
2077 /*対邪平均ダメージの計算処理*/
2078 HIT_POINT calc_arm_avgdamage(object_type *o_ptr)
2079 {
2080         BIT_FLAGS flgs[TR_FLAG_SIZE];
2081         object_flags(o_ptr, flgs);
2082
2083         HIT_POINT dam, base, s_evil, forced, vorpal;
2084         s_evil = forced = vorpal = 0;
2085         dam = base = (o_ptr->dd * o_ptr->ds + o_ptr->dd) / 2;
2086
2087         if(have_flag(flgs, TR_KILL_EVIL))
2088         {
2089                 dam = s_evil = dam * 7 / 2;
2090         }
2091         else if(!have_flag(flgs, TR_KILL_EVIL) && have_flag(flgs, TR_SLAY_EVIL))
2092         {
2093                 dam = s_evil = dam * 2;
2094         }
2095         else s_evil = dam;
2096
2097         if (have_flag(flgs, TR_FORCE_WEAPON))
2098         {
2099                 dam = forced = dam * 3 / 2 + (o_ptr->dd * o_ptr->ds + o_ptr->dd);
2100         }
2101         else forced = dam;
2102
2103         if(have_flag(flgs, TR_VORPAL))
2104         {
2105                 dam = vorpal = dam * 11 / 9;
2106         }
2107         else vorpal = dam;
2108
2109         dam = dam + o_ptr->to_d;
2110
2111         msg_format_wizard(CHEAT_OBJECT,"素:%d> 対邪:%d> 理力:%d> 切:%d> 最終:%d", base, s_evil, forced, vorpal, dam);
2112
2113         return dam;
2114 }
2115
2116 static bool has_extreme_damage_rate(object_type *o_ptr)
2117 {
2118         BIT_FLAGS flgs[TR_FLAG_SIZE];
2119         object_flags(o_ptr, flgs);
2120
2121         if (have_flag(flgs, TR_VAMPIRIC))
2122         {
2123                 if(have_flag(flgs, TR_BLOWS) && (o_ptr->pval == 1) && (calc_arm_avgdamage(o_ptr) > 52))
2124                 {
2125                         return TRUE;
2126                 }
2127                 else if(have_flag(flgs, TR_BLOWS) && (o_ptr->pval == 2) && (calc_arm_avgdamage(o_ptr) > 43))
2128                 {
2129                         return TRUE;
2130                 }
2131                 else if( have_flag(flgs, TR_BLOWS) && (o_ptr->pval == 3) && (calc_arm_avgdamage(o_ptr) > 33))
2132                 {
2133                         return TRUE;
2134                 }
2135                 else if (calc_arm_avgdamage(o_ptr) > 63)
2136                 {
2137                         return TRUE;
2138                 }
2139         }
2140         else
2141         {
2142                 if (have_flag(flgs, TR_BLOWS) && (o_ptr->pval == 1) && (calc_arm_avgdamage(o_ptr) > 65))
2143                 {
2144                         return TRUE;
2145                 }
2146                 else if (have_flag(flgs, TR_BLOWS) && (o_ptr->pval == 2) && (calc_arm_avgdamage(o_ptr) > 52))
2147                 {
2148                         return TRUE;
2149                 }
2150                 else if (have_flag(flgs, TR_BLOWS) && (o_ptr->pval == 3) && (calc_arm_avgdamage(o_ptr) > 40))
2151                 {
2152                         return TRUE;
2153                 }
2154                 else if (calc_arm_avgdamage(o_ptr) > 75)
2155                 {
2156                         return TRUE;
2157                 }
2158         }
2159         return FALSE;
2160 }
2161
2162 static bool weakening_artifact(object_type *o_ptr)
2163 {
2164         KIND_OBJECT_IDX k_idx = lookup_kind(o_ptr->tval, o_ptr->sval);
2165         object_kind *k_ptr = &k_info[k_idx];
2166         BIT_FLAGS flgs[TR_FLAG_SIZE];
2167         object_flags(o_ptr, flgs);
2168
2169         if (have_flag(flgs, TR_KILL_EVIL))
2170         {
2171                 remove_flag(o_ptr->art_flags, TR_KILL_EVIL);
2172                 add_flag(o_ptr->art_flags, TR_SLAY_EVIL);
2173                 return TRUE;
2174         }
2175         else if (k_ptr->dd < o_ptr->dd)
2176         {
2177                 o_ptr->dd--;
2178                 return TRUE;
2179         }
2180         else if (k_ptr->ds < o_ptr->ds)
2181         {
2182                 o_ptr->ds--;
2183                 return TRUE;
2184         }
2185         else if (o_ptr->to_d > 10)
2186         {
2187                 o_ptr->to_d = o_ptr->to_d - damroll(1, 6);
2188                 if (o_ptr->to_d < 10)
2189                 {
2190                         o_ptr->to_d = 10;
2191                 }
2192                 return TRUE;
2193         }
2194         return FALSE;
2195 }
2196
2197 /*!
2198  * @brief 非INSTA_ART型の固定アーティファクトの生成を確率に応じて試行する。
2199  * Mega-Hack -- Attempt to create one of the "Special Objects"
2200  * @param o_ptr 生成に割り当てたいオブジェクトの構造体参照ポインタ
2201  * @return 生成に成功したらTRUEを返す。
2202  * @details
2203  * Attempt to change an object into an artifact\n
2204  * This routine should only be called by "apply_magic()"\n
2205  * Note -- see "make_artifact_special()" and "apply_magic()"\n
2206  */
2207 bool make_artifact(object_type *o_ptr)
2208 {
2209         ARTIFACT_IDX i;
2210
2211         /* No artifacts in the town */
2212         if (!current_floor_ptr->dun_level) return (FALSE);
2213
2214         /* Paranoia -- no "plural" artifacts */
2215         if (o_ptr->number != 1) return (FALSE);
2216
2217         /* Check the artifact list (skip the "specials") */
2218         for (i = 0; i < max_a_idx; i++)
2219         {
2220                 artifact_type *a_ptr = &a_info[i];
2221
2222                 /* Skip "empty" items */
2223                 if (!a_ptr->name) continue;
2224
2225                 /* Cannot make an artifact twice */
2226                 if (a_ptr->cur_num) continue;
2227
2228                 if (a_ptr->gen_flags & TRG_QUESTITEM) continue;
2229
2230                 if (a_ptr->gen_flags & TRG_INSTA_ART) continue;
2231
2232                 /* Must have the correct fields */
2233                 if (a_ptr->tval != o_ptr->tval) continue;
2234                 if (a_ptr->sval != o_ptr->sval) continue;
2235
2236                 /* XXX XXX Enforce minimum "depth" (loosely) */
2237                 if (a_ptr->level > current_floor_ptr->dun_level)
2238                 {
2239                         /* Acquire the "out-of-depth factor" */
2240                         int d = (a_ptr->level - current_floor_ptr->dun_level) * 2;
2241
2242                         /* Roll for out-of-depth creation */
2243                         if (!one_in_(d)) continue;
2244                 }
2245
2246                 /* We must make the "rarity roll" */
2247                 if (!one_in_(a_ptr->rarity)) continue;
2248
2249                 /* Hack -- mark the item as an artifact */
2250                 o_ptr->name1 = i;
2251
2252                 /* Hack: Some artifacts get random extra powers */
2253                 random_artifact_resistance(o_ptr, a_ptr);
2254
2255                 /* Success */
2256                 return (TRUE);
2257         }
2258
2259         /* Failure */
2260         return (FALSE);
2261 }
2262
2263 /*!
2264  * @brief INSTA_ART型の固定アーティファクトの生成を確率に応じて試行する。
2265  * Mega-Hack -- Attempt to create one of the "Special Objects"
2266  * @param o_ptr 生成に割り当てたいオブジェクトの構造体参照ポインタ
2267  * @return 生成に成功したらTRUEを返す。
2268  * @details
2269  * We are only called from "make_object()", and we assume that\n
2270  * "apply_magic()" is called immediately after we return.\n
2271  *\n
2272  * Note -- see "make_artifact()" and "apply_magic()"\n
2273  */
2274 bool make_artifact_special(object_type *o_ptr)
2275 {
2276         ARTIFACT_IDX i;
2277         KIND_OBJECT_IDX k_idx = 0;
2278
2279         /*! @note 地上ではキャンセルする / No artifacts in the town */
2280         if (!current_floor_ptr->dun_level) return (FALSE);
2281
2282         /*! @note get_obj_num_hookによる指定がある場合は生成をキャンセルする / Themed object */
2283         if (get_obj_num_hook) return (FALSE);
2284
2285         /*! @note 全固定アーティファクト中からIDの若い順に生成対象とその確率を走査する / Check the artifact list (just the "specials") */
2286         for (i = 0; i < max_a_idx; i++)
2287         {
2288                 artifact_type *a_ptr = &a_info[i];
2289
2290                 /*! @note アーティファクト名が空の不正なデータは除外する / Skip "empty" artifacts */
2291                 if (!a_ptr->name) continue;
2292
2293                 /*! @note 既に生成回数がカウントされたアーティファクト、QUESTITEMと非INSTA_ARTは除外 / Cannot make an artifact twice */
2294                 if (a_ptr->cur_num) continue;
2295                 if (a_ptr->gen_flags & TRG_QUESTITEM) continue;
2296                 if (!(a_ptr->gen_flags & TRG_INSTA_ART)) continue;
2297
2298                 /*! @note アーティファクト生成階が現在に対して足りない場合は高確率で1/(不足階層*2)を満たさないと生成リストに加えられない /
2299                  *  XXX XXX Enforce minimum "depth" (loosely) */
2300                 if (a_ptr->level > current_floor_ptr->object_level)
2301                 {
2302                         /* @note  / Acquire the "out-of-depth factor". Roll for out-of-depth creation. */
2303                         int d = (a_ptr->level - current_floor_ptr->object_level) * 2;
2304                         if (!one_in_(d)) continue;
2305                 }
2306
2307                 /*! @note 1/(レア度)の確率を満たさないと除外される / Artifact "rarity roll" */
2308                 if (!one_in_(a_ptr->rarity)) continue;
2309
2310                 /*! @note INSTA_ART型固定アーティファクトのベースアイテムもチェック対象とする。ベースアイテムの生成階層が足りない場合1/(不足階層*5) を満たさないと除外される。 /
2311                  *  Find the base object. XXX XXX Enforce minimum "object" level (loosely). Acquire the "out-of-depth factor". Roll for out-of-depth creation. */
2312                 k_idx = lookup_kind(a_ptr->tval, a_ptr->sval);
2313                 if (k_info[k_idx].level > current_floor_ptr->object_level)
2314                 {
2315                         int d = (k_info[k_idx].level - current_floor_ptr->object_level) * 5;
2316                         if (!one_in_(d)) continue;
2317                 }
2318
2319                 /*! @note 前述の条件を満たしたら、後のIDのアーティファクトはチェックせずすぐ確定し生成処理に移す /
2320                  * Assign the template. Mega-Hack -- mark the item as an artifact. Hack: Some artifacts get random extra powers. Success. */
2321                 object_prep(o_ptr, k_idx);
2322
2323                 o_ptr->name1 = i;
2324                 random_artifact_resistance(o_ptr, a_ptr);
2325                 return (TRUE);
2326         }
2327
2328         /*! @note 全INSTA_ART固定アーティファクトを試行しても決まらなかった場合 FALSEを返す / Failure */
2329         return (FALSE);
2330 }