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-curse.h"
  19 #include "object-hook.h"
  20 #include "spells-object.h"
  21
  22 static bool has_extreme_damage_rate(object_type *o_ptr);
  23 static bool weakening_artifact(object_type *o_ptr);
  24
  25 #ifdef JP
  26 /*!
  27  * @brief ランダムアーティファクトのバイアス名称テーブル
  28  */
  29 const concptr artifact_bias_name[MAX_BIAS] =
  30 {
  31         "なし",
  32         "電撃",
  33         "毒",
  34         "火炎",
  35         "冷気",
  36         "酸",
  37         "腕力",
  38         "知力",
  39         "賢さ",
  40         "器用さ",
  41         "耐久",
  42         "魅力",
  43         "混沌",
  44         "プリースト",
  45         "死霊",
  46         "法",
  47         "盗賊",
  48         "メイジ",
  49         "戦士",
  50         "レンジャー",
  51 };
  52 #else
  53 const concptr artifact_bias_name[MAX_BIAS] =
  54 {
  55         "None",
  56         "Elec",
  57         "Poison",
  58         "Fire",
  59         "Cold",
  60         "Acid",
  61         "STR",
  62         "INT",
  63         "WIS",
  64         "DEX",
  65         "CON",
  66         "CHA",
  67         "Chaos",
  68         "Pristly",
  69         "Necromantic",
  70         "Law",
  71         "Rogue",
  72         "Mage",
  73         "Warrior",
  74         "Ranger",
  75 };
  76 #endif
  77
  78 /*!
  79  * @brief 対象のオブジェクトにランダムな上位耐性を一つ付加する。/ Choose one random high resistance
  80  * @details 重複の抑止はない。候補は毒、閃光、暗黒、破片、盲目、混乱、地獄、因果混乱、カオス、劣化、恐怖のいずれか。
  81  * @param o_ptr 対象のオブジェクト構造体ポインタ
  82  * @return なし
  83  */
  84 void one_high_resistance(object_type *o_ptr)
  85 {
  86         switch (randint0(12))
  87         {
  88                 case  0: add_flag(o_ptr->art_flags, TR_RES_POIS);   break;
  89                 case  1: add_flag(o_ptr->art_flags, TR_RES_LITE);   break;
  90                 case  2: add_flag(o_ptr->art_flags, TR_RES_DARK);   break;
  91                 case  3: add_flag(o_ptr->art_flags, TR_RES_SHARDS); break;
  92                 case  4: add_flag(o_ptr->art_flags, TR_RES_BLIND);  break;
  93                 case  5: add_flag(o_ptr->art_flags, TR_RES_CONF);   break;
  94                 case  6: add_flag(o_ptr->art_flags, TR_RES_SOUND);  break;
  95                 case  7: add_flag(o_ptr->art_flags, TR_RES_NETHER); break;
  96                 case  8: add_flag(o_ptr->art_flags, TR_RES_NEXUS);  break;
  97                 case  9: add_flag(o_ptr->art_flags, TR_RES_CHAOS);  break;
  98                 case 10: add_flag(o_ptr->art_flags, TR_RES_DISEN);  break;
  99                 case 11: add_flag(o_ptr->art_flags, TR_RES_FEAR);   break;
 100         }
 101 }
 102
 103 /*!
 104  * @brief 対象のオブジェクトに王者の指輪向けの上位耐性を一つ付加する。/ Choose one random high resistance
 105  * @details 候補は閃光、暗黒、破片、盲目、混乱、地獄、因果混乱、カオス、恐怖であり
 106  * 王者の指輪にあらかじめついている耐性をone_high_resistance()から除外したものである。
 107  * ランダム付加そのものに重複の抑止はない。
 108  * @param o_ptr 対象のオブジェクト構造体ポインタ
 109  * @return なし
 110  */
 111 void one_lordly_high_resistance(object_type *o_ptr)
 112 {
 113         switch (randint0(10))
 114         {
 115                 case 0: add_flag(o_ptr->art_flags, TR_RES_LITE);   break;
 116                 case 1: add_flag(o_ptr->art_flags, TR_RES_DARK);   break;
 117                 case 2: add_flag(o_ptr->art_flags, TR_RES_SHARDS); break;
 118                 case 3: add_flag(o_ptr->art_flags, TR_RES_BLIND);  break;
 119                 case 4: add_flag(o_ptr->art_flags, TR_RES_CONF);   break;
 120                 case 5: add_flag(o_ptr->art_flags, TR_RES_SOUND);  break;
 121                 case 6: add_flag(o_ptr->art_flags, TR_RES_NETHER); break;
 122                 case 7: add_flag(o_ptr->art_flags, TR_RES_NEXUS);  break;
 123                 case 8: add_flag(o_ptr->art_flags, TR_RES_CHAOS);  break;
 124                 case 9: add_flag(o_ptr->art_flags, TR_RES_FEAR);   break;
 125         }
 126 }
 127
 128 /*!
 129  * @brief 対象のオブジェクトに元素耐性を一つ付加する。/ Choose one random element resistance
 130  * @details 候補は火炎、冷気、電撃、酸のいずれかであり、重複の抑止はない。
 131  * @param o_ptr 対象のオブジェクト構造体ポインタ
 132  * @return なし
 133  */
 134 void one_ele_resistance(object_type *o_ptr)
 135 {
 136         switch (randint0(4))
 137         {
 138                 case  0: add_flag(o_ptr->art_flags, TR_RES_ACID); break;
 139                 case  1: add_flag(o_ptr->art_flags, TR_RES_ELEC); break;
 140                 case  2: add_flag(o_ptr->art_flags, TR_RES_COLD); break;
 141                 case  3: add_flag(o_ptr->art_flags, TR_RES_FIRE); break;
 142         }
 143 }
 144
 145 /*!
 146  * @brief 対象のオブジェクトにドラゴン装備向け元素耐性を一つ付加する。/ Choose one random element or poison resistance
 147  * @details 候補は1/7の確率で毒、6/7の確率で火炎、冷気、電撃、酸のいずれか(one_ele_resistance()のコール)であり、重複の抑止はない。
 148  * @param o_ptr 対象のオブジェクト構造体ポインタ
 149  * @return なし
 150  */
 151 void one_dragon_ele_resistance(object_type *o_ptr)
 152 {
 153         if (one_in_(7))
 154         {
 155                 add_flag(o_ptr->art_flags, TR_RES_POIS);
 156         }
 157         else
 158         {
 159                 one_ele_resistance(o_ptr);
 160         }
 161 }
 162
 163 /*!
 164  * @brief 対象のオブジェクトに弱いESPを一つ付加する。/ Choose one lower rank esp
 165  * @details 候補は動物、アンデッド、悪魔、オーク、トロル、巨人、
 166  * ドラゴン、人間、善良、ユニークESPのいずれかであり、重複の抑止はない。
 167  * @param o_ptr 対象のオブジェクト構造体ポインタ
 168  * @return なし
 169  */
 170 void one_low_esp(object_type *o_ptr)
 171 {
 172         switch (randint1(10))
 173         {
 174                 case 1:  add_flag(o_ptr->art_flags, TR_ESP_ANIMAL);   break;
 175                 case 2:  add_flag(o_ptr->art_flags, TR_ESP_UNDEAD);   break;
 176                 case 3:  add_flag(o_ptr->art_flags, TR_ESP_DEMON);   break;
 177                 case 4:  add_flag(o_ptr->art_flags, TR_ESP_ORC);   break;
 178                 case 5:  add_flag(o_ptr->art_flags, TR_ESP_TROLL);   break;
 179                 case 6:  add_flag(o_ptr->art_flags, TR_ESP_GIANT);   break;
 180                 case 7:  add_flag(o_ptr->art_flags, TR_ESP_DRAGON);   break;
 181                 case 8:  add_flag(o_ptr->art_flags, TR_ESP_HUMAN);   break;
 182                 case 9:  add_flag(o_ptr->art_flags, TR_ESP_GOOD);   break;
 183                 case 10: add_flag(o_ptr->art_flags, TR_ESP_UNIQUE);   break;
 184         }
 185 }
 186
 187
 188 /*!
 189  * @brief 対象のオブジェクトに耐性を一つ付加する。/ Choose one random resistance
 190  * @details 1/3で元素耐性(one_ele_resistance())、2/3で上位耐性(one_high_resistance)
 191  * をコールする。重複の抑止はない。
 192  * @param o_ptr 対象のオブジェクト構造体ポインタ
 193  * @return なし
 194  */
 195 void one_resistance(object_type *o_ptr)
 196 {
 197         if (one_in_(3))
 198         {
 199                 one_ele_resistance(o_ptr);
 200         }
 201         else
 202         {
 203                 one_high_resistance(o_ptr);
 204         }
 205 }
 206
 207
 208 /*!
 209  * @brief 対象のオブジェクトに能力を一つ付加する。/ Choose one random ability
 210  * @details 候補は浮遊、永久光源+1、透明視、警告、遅消化、急回復、麻痺知らず、経験値維持のいずれか。
 211  * 重複の抑止はない。
 212  * @param o_ptr 対象のオブジェクト構造体ポインタ
 213  * @return なし
 214  */
 215 void one_ability(object_type *o_ptr)
 216 {
 217         switch (randint0(10))
 218         {
 219         case 0: add_flag(o_ptr->art_flags, TR_LEVITATION);  break;
 220         case 1: add_flag(o_ptr->art_flags, TR_LITE_1);      break;
 221         case 2: add_flag(o_ptr->art_flags, TR_SEE_INVIS);   break;
 222         case 3: add_flag(o_ptr->art_flags, TR_WARNING);     break;
 223         case 4: add_flag(o_ptr->art_flags, TR_SLOW_DIGEST); break;
 224         case 5: add_flag(o_ptr->art_flags, TR_REGEN);       break;
 225         case 6: add_flag(o_ptr->art_flags, TR_FREE_ACT);    break;
 226         case 7: add_flag(o_ptr->art_flags, TR_HOLD_EXP);   break;
 227         case 8:
 228         case 9:
 229                 one_low_esp(o_ptr);
 230                 break;
 231         }
 232 }
 233
 234 /*!
 235  * @brief 対象のオブジェクトに発動を一つ付加する。/ Choose one random activation
 236  * @details 候補多数。ランダムアーティファクトのバイアスには一切依存せず、
 237  * whileループによる構造で能力的に強力なものほど確率を落としている。
 238  * @param o_ptr 対象のオブジェクト構造体ポインタ
 239  * @return なし
 240  */
 241 void one_activation(object_type *o_ptr)
 242 {
 243         int type = 0;
 244         int chance = 0;
 245
 246         while (randint1(100) >= chance)
 247         {
 248                 type = randint1(255);
 249                 switch (type)
 250                 {
 251                         case ACT_SUNLIGHT:
 252                         case ACT_BO_MISS_1:
 253                         case ACT_BA_POIS_1:
 254                         case ACT_BO_ELEC_1:
 255                         case ACT_BO_ACID_1:
 256                         case ACT_BO_COLD_1:
 257                         case ACT_BO_FIRE_1:
 258                         case ACT_CONFUSE:
 259                         case ACT_SLEEP:
 260                         case ACT_QUAKE:
 261                         case ACT_CURE_LW:
 262                         case ACT_CURE_MW:
 263                         case ACT_CURE_POISON:
 264                         case ACT_BERSERK:
 265                         case ACT_LIGHT:
 266                         case ACT_MAP_LIGHT:
 267                         case ACT_DEST_DOOR:
 268                         case ACT_STONE_MUD:
 269                         case ACT_TELEPORT:
 270                                 chance = 101;
 271                                 break;
 272                         case ACT_BA_COLD_1:
 273                         case ACT_BA_FIRE_1:
 274                         case ACT_HYPODYNAMIA_1:
 275                         case ACT_TELE_AWAY:
 276                         case ACT_ESP:
 277                         case ACT_RESIST_ALL:
 278                         case ACT_DETECT_ALL:
 279                         case ACT_RECALL:
 280                         case ACT_SATIATE:
 281                         case ACT_RECHARGE:
 282                                 chance = 85;
 283                                 break;
 284                         case ACT_TERROR:
 285                         case ACT_PROT_EVIL:
 286                         case ACT_ID_PLAIN:
 287                                 chance = 75;
 288                                 break;
 289                         case ACT_HYPODYNAMIA_2:
 290                         case ACT_DRAIN_1:
 291                         case ACT_BO_MISS_2:
 292                         case ACT_BA_FIRE_2:
 293                         case ACT_REST_EXP:
 294                                 chance = 66;
 295                                 break;
 296                         case ACT_BA_FIRE_3:
 297                         case ACT_BA_COLD_3:
 298                         case ACT_BA_ELEC_3:
 299                         case ACT_WHIRLWIND:
 300                         case ACT_DRAIN_2:
 301                         case ACT_CHARM_ANIMAL:
 302                                 chance = 50;
 303                                 break;
 304                         case ACT_SUMMON_ANIMAL:
 305                                 chance = 40;
 306                                 break;
 307                         case ACT_DISP_EVIL:
 308                         case ACT_BA_MISS_3:
 309                         case ACT_DISP_GOOD:
 310                         case ACT_BANISH_EVIL:
 311                         case ACT_GENOCIDE:
 312                         case ACT_MASS_GENO:
 313                         case ACT_CHARM_UNDEAD:
 314                         case ACT_CHARM_OTHER:
 315                         case ACT_SUMMON_PHANTOM:
 316                         case ACT_REST_ALL:
 317                         case ACT_RUNE_EXPLO:
 318                                 chance = 33;
 319                                 break;
 320                         case ACT_CALL_CHAOS:
 321                         case ACT_ROCKET:
 322                         case ACT_CHARM_ANIMALS:
 323                         case ACT_CHARM_OTHERS:
 324                         case ACT_SUMMON_ELEMENTAL:
 325                         case ACT_CURE_700:
 326                         case ACT_SPEED:
 327                         case ACT_ID_FULL:
 328                         case ACT_RUNE_PROT:
 329                                 chance = 25;
 330                                 break;
 331                         case ACT_CURE_1000:
 332                         case ACT_XTRA_SPEED:
 333                         case ACT_DETECT_XTRA:
 334                         case ACT_DIM_DOOR:
 335                                 chance = 10;
 336                                 break;
 337                         case ACT_SUMMON_UNDEAD:
 338                         case ACT_SUMMON_DEMON:
 339                         case ACT_WRAITH:
 340                         case ACT_INVULN:
 341                         case ACT_ALCHEMY:
 342                                 chance = 5;
 343                                 break;
 344                         default:
 345                                 chance = 0;
 346                 }
 347         }
 348
 349         /* A type was chosen... */
 350         o_ptr->xtra2 = (byte_hack)type;
 351         add_flag(o_ptr->art_flags, TR_ACTIVATE);
 352         o_ptr->timeout = 0;
 353 }
 354
 355 /*!
 356  * @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.
 357  * @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。
 358  * 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、
 359  * 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。
 360  * @attention プレイヤーの職業依存処理あり。
 361  * @param o_ptr 対象のオブジェクト構造体ポインタ
 362  * @return なし
 363  */
 364 static void curse_artifact(object_type * o_ptr)
 365 {
 366         if (o_ptr->pval > 0) o_ptr->pval = 0 - (o_ptr->pval + randint1(4));
 367         if (o_ptr->to_a > 0) o_ptr->to_a = 0 - (o_ptr->to_a + randint1(4));
 368         if (o_ptr->to_h > 0) o_ptr->to_h = 0 - (o_ptr->to_h + randint1(4));
 369         if (o_ptr->to_d > 0) o_ptr->to_d = 0 - (o_ptr->to_d + randint1(4));
 370
 371         o_ptr->curse_flags |= (TRC_HEAVY_CURSE | TRC_CURSED);
 372         remove_flag(o_ptr->art_flags, TR_BLESSED);
 373
 374         if (one_in_(4)) o_ptr->curse_flags |= TRC_PERMA_CURSE;
 375         if (one_in_(3)) add_flag(o_ptr->art_flags, TR_TY_CURSE);
 376         if (one_in_(2)) add_flag(o_ptr->art_flags, TR_AGGRAVATE);
 377         if (one_in_(3)) add_flag(o_ptr->art_flags, TR_DRAIN_EXP);
 378         if (one_in_(6)) add_flag(o_ptr->art_flags, TR_ADD_L_CURSE);
 379         if (one_in_(9)) add_flag(o_ptr->art_flags, TR_ADD_H_CURSE);
 380         if (one_in_(9)) add_flag(o_ptr->art_flags, TR_DRAIN_HP);
 381         if (one_in_(9)) add_flag(o_ptr->art_flags, TR_DRAIN_MANA);
 382         if (one_in_(2)) add_flag(o_ptr->art_flags, TR_TELEPORT);
 383         else if (one_in_(3)) add_flag(o_ptr->art_flags, TR_NO_TELE);
 384
 385         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))
 386                 add_flag(o_ptr->art_flags, TR_NO_MAGIC);
 387 }
 388
 389 /*!
 390  * @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.
 391  * @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。
 392  * 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。
 393  * @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。
 394  * @param o_ptr 対象のオブジェクト構造体ポインタ
 395  * @return なし
 396  */
 397 static void random_plus(object_type * o_ptr)
 398 {
 399         int this_type = (object_is_weapon_ammo(o_ptr) ? 23 : 19);
 400
 401         switch (o_ptr->artifact_bias)
 402         {
 403         case BIAS_WARRIOR:
 404                 if (!(have_flag(o_ptr->art_flags, TR_STR)))
 405                 {
 406                         add_flag(o_ptr->art_flags, TR_STR);
 407                         if (one_in_(2)) return;
 408                 }
 409
 410                 if (!(have_flag(o_ptr->art_flags, TR_CON)))
 411                 {
 412                         add_flag(o_ptr->art_flags, TR_CON);
 413                         if (one_in_(2)) return;
 414                 }
 415
 416                 if (!(have_flag(o_ptr->art_flags, TR_DEX)))
 417                 {
 418                         add_flag(o_ptr->art_flags, TR_DEX);
 419                         if (one_in_(2)) return;
 420                 }
 421                 break;
 422
 423         case BIAS_MAGE:
 424                 if (!(have_flag(o_ptr->art_flags, TR_INT)))
 425                 {
 426                         add_flag(o_ptr->art_flags, TR_INT);
 427                         if (one_in_(2)) return;
 428                 }
 429                 if ((o_ptr->tval == TV_GLOVES) && !(have_flag(o_ptr->art_flags, TR_MAGIC_MASTERY)))
 430                 {
 431                         add_flag(o_ptr->art_flags, TR_MAGIC_MASTERY);
 432                         if (one_in_(2)) return;
 433                 }
 434                 break;
 435
 436         case BIAS_PRIESTLY:
 437                 if (!(have_flag(o_ptr->art_flags, TR_WIS)))
 438                 {
 439                         add_flag(o_ptr->art_flags, TR_WIS);
 440                         if (one_in_(2)) return;
 441                 }
 442                 break;
 443
 444         case BIAS_RANGER:
 445                 if (!(have_flag(o_ptr->art_flags, TR_DEX)))
 446                 {
 447                         add_flag(o_ptr->art_flags, TR_DEX);
 448                         if (one_in_(2)) return;
 449                 }
 450
 451                 if (!(have_flag(o_ptr->art_flags, TR_CON)))
 452                 {
 453                         add_flag(o_ptr->art_flags, TR_CON);
 454                         if (one_in_(2)) return;
 455                 }
 456
 457                 if (!(have_flag(o_ptr->art_flags, TR_STR)))
 458                 {
 459                         add_flag(o_ptr->art_flags, TR_STR);
 460                         if (one_in_(2)) return;
 461                 }
 462                 break;
 463
 464         case BIAS_ROGUE:
 465                 if (!(have_flag(o_ptr->art_flags, TR_STEALTH)))
 466                 {
 467                         add_flag(o_ptr->art_flags, TR_STEALTH);
 468                         if (one_in_(2)) return;
 469                 }
 470                 if (!(have_flag(o_ptr->art_flags, TR_SEARCH)))
 471                 {
 472                         add_flag(o_ptr->art_flags, TR_SEARCH);
 473                         if (one_in_(2)) return;
 474                 }
 475                 break;
 476
 477         case BIAS_STR:
 478                 if (!(have_flag(o_ptr->art_flags, TR_STR)))
 479                 {
 480                         add_flag(o_ptr->art_flags, TR_STR);
 481                         if (one_in_(2)) return;
 482                 }
 483                 break;
 484
 485         case BIAS_WIS:
 486                 if (!(have_flag(o_ptr->art_flags, TR_WIS)))
 487                 {
 488                         add_flag(o_ptr->art_flags, TR_WIS);
 489                         if (one_in_(2)) return;
 490                 }
 491                 break;
 492
 493         case BIAS_INT:
 494                 if (!(have_flag(o_ptr->art_flags, TR_INT)))
 495                 {
 496                         add_flag(o_ptr->art_flags, TR_INT);
 497                         if (one_in_(2)) return;
 498                 }
 499                 break;
 500
 501         case BIAS_DEX:
 502                 if (!(have_flag(o_ptr->art_flags, TR_DEX)))
 503                 {
 504                         add_flag(o_ptr->art_flags, TR_DEX);
 505                         if (one_in_(2)) return;
 506                 }
 507                 break;
 508
 509         case BIAS_CON:
 510                 if (!(have_flag(o_ptr->art_flags, TR_CON)))
 511                 {
 512                         add_flag(o_ptr->art_flags, TR_CON);
 513                         if (one_in_(2)) return;
 514                 }
 515                 break;
 516
 517         case BIAS_CHR:
 518                 if (!(have_flag(o_ptr->art_flags, TR_CHR)))
 519                 {
 520                         add_flag(o_ptr->art_flags, TR_CHR);
 521                         if (one_in_(2)) return;
 522                 }
 523                 break;
 524         }
 525
 526         if ((o_ptr->artifact_bias == BIAS_MAGE || o_ptr->artifact_bias == BIAS_PRIESTLY) && (o_ptr->tval == TV_SOFT_ARMOR) && (o_ptr->sval == SV_ROBE))
 527         {
 528                 if (!(have_flag(o_ptr->art_flags, TR_DEC_MANA)) && one_in_(3))
 529                 {
 530                         add_flag(o_ptr->art_flags, TR_DEC_MANA);
 531                         if (one_in_(2)) return;
 532                 }
 533         }
 534
 535         switch (randint1(this_type))
 536         {
 537         case 1: case 2:
 538                 add_flag(o_ptr->art_flags, TR_STR);
 539                 if (!o_ptr->artifact_bias && !one_in_(13))
 540                         o_ptr->artifact_bias = BIAS_STR;
 541                 else if (!o_ptr->artifact_bias && one_in_(7))
 542                         o_ptr->artifact_bias = BIAS_WARRIOR;
 543                 break;
 544         case 3: case 4:
 545                 add_flag(o_ptr->art_flags, TR_INT);
 546                 if (!o_ptr->artifact_bias && !one_in_(13))
 547                         o_ptr->artifact_bias = BIAS_INT;
 548                 else if (!o_ptr->artifact_bias && one_in_(7))
 549                         o_ptr->artifact_bias = BIAS_MAGE;
 550                 break;
 551         case 5: case 6:
 552                 add_flag(o_ptr->art_flags, TR_WIS);
 553                 if (!o_ptr->artifact_bias && !one_in_(13))
 554                         o_ptr->artifact_bias = BIAS_WIS;
 555                 else if (!o_ptr->artifact_bias && one_in_(7))
 556                         o_ptr->artifact_bias = BIAS_PRIESTLY;
 557                 break;
 558         case 7: case 8:
 559                 add_flag(o_ptr->art_flags, TR_DEX);
 560                 if (!o_ptr->artifact_bias && !one_in_(13))
 561                         o_ptr->artifact_bias = BIAS_DEX;
 562                 else if (!o_ptr->artifact_bias && one_in_(7))
 563                         o_ptr->artifact_bias = BIAS_ROGUE;
 564                 break;
 565         case 9: case 10:
 566                 add_flag(o_ptr->art_flags, TR_CON);
 567                 if (!o_ptr->artifact_bias && !one_in_(13))
 568                         o_ptr->artifact_bias = BIAS_CON;
 569                 else if (!o_ptr->artifact_bias && one_in_(9))
 570                         o_ptr->artifact_bias = BIAS_RANGER;
 571                 break;
 572         case 11: case 12:
 573                 add_flag(o_ptr->art_flags, TR_CHR);
 574                 if (!o_ptr->artifact_bias && !one_in_(13))
 575                         o_ptr->artifact_bias = BIAS_CHR;
 576                 break;
 577         case 13: case 14:
 578                 add_flag(o_ptr->art_flags, TR_STEALTH);
 579                 if (!o_ptr->artifact_bias && one_in_(3))
 580                         o_ptr->artifact_bias = BIAS_ROGUE;
 581                 break;
 582         case 15: case 16:
 583                 add_flag(o_ptr->art_flags, TR_SEARCH);
 584                 if (!o_ptr->artifact_bias && one_in_(9))
 585                         o_ptr->artifact_bias = BIAS_RANGER;
 586                 break;
 587         case 17: case 18:
 588                 add_flag(o_ptr->art_flags, TR_INFRA);
 589                 break;
 590         case 19:
 591                 add_flag(o_ptr->art_flags, TR_SPEED);
 592                 if (!o_ptr->artifact_bias && one_in_(11))
 593                         o_ptr->artifact_bias = BIAS_ROGUE;
 594                 break;
 595         case 20: case 21:
 596                 add_flag(o_ptr->art_flags, TR_TUNNEL);
 597                 break;
 598         case 22: case 23:
 599                 if (o_ptr->tval == TV_BOW) random_plus(o_ptr);
 600                 else
 601                 {
 602                         add_flag(o_ptr->art_flags, TR_BLOWS);
 603                         if (!o_ptr->artifact_bias && one_in_(11))
 604                                 o_ptr->artifact_bias = BIAS_WARRIOR;
 605                 }
 606                 break;
 607         }
 608 }
 609
 610 /*!
 611  * @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.
 612  * @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。
 613  * 原則的候補は火炎、冷気、電撃、酸（以上免疫の可能性もあり）、
 614  * 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。
 615  * 戦士系バイアスのみ反魔もつく。
 616  * @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。
 617  * @param o_ptr 対象のオブジェクト構造体ポインタ
 618  * @return なし
 619  */
 620 static void random_resistance(object_type * o_ptr)
 621 {
 622         switch (o_ptr->artifact_bias)
 623         {
 624         case BIAS_ACID:
 625                 if (!(have_flag(o_ptr->art_flags, TR_RES_ACID)))
 626                 {
 627                         add_flag(o_ptr->art_flags, TR_RES_ACID);
 628                         if (one_in_(2)) return;
 629                 }
 630                 if (one_in_(BIAS_LUCK) && !(have_flag(o_ptr->art_flags, TR_IM_ACID)))
 631                 {
 632                         add_flag(o_ptr->art_flags, TR_IM_ACID);
 633                         if (!one_in_(IM_LUCK))
 634                         {
 635                                 remove_flag(o_ptr->art_flags, TR_IM_ELEC);
 636                                 remove_flag(o_ptr->art_flags, TR_IM_COLD);
 637                                 remove_flag(o_ptr->art_flags, TR_IM_FIRE);
 638                         }
 639                         if (one_in_(2)) return;
 640                 }
 641                 break;
 642
 643         case BIAS_ELEC:
 644                 if (!(have_flag(o_ptr->art_flags, TR_RES_ELEC)))
 645                 {
 646                         add_flag(o_ptr->art_flags, TR_RES_ELEC);
 647                         if (one_in_(2)) return;
 648                 }
 649                 if ((o_ptr->tval >= TV_CLOAK) && (o_ptr->tval <= TV_HARD_ARMOR) &&
 650                     !(have_flag(o_ptr->art_flags, TR_SH_ELEC)))
 651                 {
 652                         add_flag(o_ptr->art_flags, TR_SH_ELEC);
 653                         if (one_in_(2)) return;
 654                 }
 655                 if (one_in_(BIAS_LUCK) && !(have_flag(o_ptr->art_flags, TR_IM_ELEC)))
 656                 {
 657                         add_flag(o_ptr->art_flags, TR_IM_ELEC);
 658                         if (!one_in_(IM_LUCK))
 659                         {
 660                                 remove_flag(o_ptr->art_flags, TR_IM_ACID);
 661                                 remove_flag(o_ptr->art_flags, TR_IM_COLD);
 662                                 remove_flag(o_ptr->art_flags, TR_IM_FIRE);
 663                         }
 664
 665                         if (one_in_(2)) return;
 666                 }
 667                 break;
 668
 669         case BIAS_FIRE:
 670                 if (!(have_flag(o_ptr->art_flags, TR_RES_FIRE)))
 671                 {
 672                         add_flag(o_ptr->art_flags, TR_RES_FIRE);
 673                         if (one_in_(2)) return;
 674                 }
 675                 if ((o_ptr->tval >= TV_CLOAK) &&
 676                     (o_ptr->tval <= TV_HARD_ARMOR) &&
 677                     !(have_flag(o_ptr->art_flags, TR_SH_FIRE)))
 678                 {
 679                         add_flag(o_ptr->art_flags, TR_SH_FIRE);
 680                         if (one_in_(2)) return;
 681                 }
 682                 if (one_in_(BIAS_LUCK) &&
 683                     !(have_flag(o_ptr->art_flags, TR_IM_FIRE)))
 684                 {
 685                         add_flag(o_ptr->art_flags, TR_IM_FIRE);
 686                         if (!one_in_(IM_LUCK))
 687                         {
 688                                 remove_flag(o_ptr->art_flags, TR_IM_ELEC);
 689                                 remove_flag(o_ptr->art_flags, TR_IM_COLD);
 690                                 remove_flag(o_ptr->art_flags, TR_IM_ACID);
 691                         }
 692                         if (one_in_(2)) return;
 693                 }
 694                 break;
 695
 696         case BIAS_COLD:
 697                 if (!(have_flag(o_ptr->art_flags, TR_RES_COLD)))
 698                 {
 699                         add_flag(o_ptr->art_flags, TR_RES_COLD);
 700                         if (one_in_(2)) return;
 701                 }
 702                 if ((o_ptr->tval >= TV_CLOAK) &&
 703                     (o_ptr->tval <= TV_HARD_ARMOR) &&
 704                     !(have_flag(o_ptr->art_flags, TR_SH_COLD)))
 705                 {
 706                         add_flag(o_ptr->art_flags, TR_SH_COLD);
 707                         if (one_in_(2)) return;
 708                 }
 709                 if (one_in_(BIAS_LUCK) && !(have_flag(o_ptr->art_flags, TR_IM_COLD)))
 710                 {
 711                         add_flag(o_ptr->art_flags, TR_IM_COLD);
 712                         if (!one_in_(IM_LUCK))
 713                         {
 714                                 remove_flag(o_ptr->art_flags, TR_IM_ELEC);
 715                                 remove_flag(o_ptr->art_flags, TR_IM_ACID);
 716                                 remove_flag(o_ptr->art_flags, TR_IM_FIRE);
 717                         }
 718                         if (one_in_(2)) return;
 719                 }
 720                 break;
 721
 722         case BIAS_POIS:
 723                 if (!(have_flag(o_ptr->art_flags, TR_RES_POIS)))
 724                 {
 725                         add_flag(o_ptr->art_flags, TR_RES_POIS);
 726                         if (one_in_(2)) return;
 727                 }
 728                 break;
 729
 730         case BIAS_WARRIOR:
 731                 if (!one_in_(3) && (!(have_flag(o_ptr->art_flags, TR_RES_FEAR))))
 732                 {
 733                         add_flag(o_ptr->art_flags, TR_RES_FEAR);
 734                         if (one_in_(2)) return;
 735                 }
 736                 if (one_in_(3) && (!(have_flag(o_ptr->art_flags, TR_NO_MAGIC))))
 737                 {
 738                         add_flag(o_ptr->art_flags, TR_NO_MAGIC);
 739                         if (one_in_(2)) return;
 740                 }
 741                 break;
 742
 743         case BIAS_NECROMANTIC:
 744                 if (!(have_flag(o_ptr->art_flags, TR_RES_NETHER)))
 745                 {
 746                         add_flag(o_ptr->art_flags, TR_RES_NETHER);
 747                         if (one_in_(2)) return;
 748                 }
 749                 if (!(have_flag(o_ptr->art_flags, TR_RES_POIS)))
 750                 {
 751                         add_flag(o_ptr->art_flags, TR_RES_POIS);
 752                         if (one_in_(2)) return;
 753                 }
 754                 if (!(have_flag(o_ptr->art_flags, TR_RES_DARK)))
 755                 {
 756                         add_flag(o_ptr->art_flags, TR_RES_DARK);
 757                         if (one_in_(2)) return;
 758                 }
 759                 break;
 760
 761         case BIAS_CHAOS:
 762                 if (!(have_flag(o_ptr->art_flags, TR_RES_CHAOS)))
 763                 {
 764                         add_flag(o_ptr->art_flags, TR_RES_CHAOS);
 765                         if (one_in_(2)) return;
 766                 }
 767                 if (!(have_flag(o_ptr->art_flags, TR_RES_CONF)))
 768                 {
 769                         add_flag(o_ptr->art_flags, TR_RES_CONF);
 770                         if (one_in_(2)) return;
 771                 }
 772                 if (!(have_flag(o_ptr->art_flags, TR_RES_DISEN)))
 773                 {
 774                         add_flag(o_ptr->art_flags, TR_RES_DISEN);
 775                         if (one_in_(2)) return;
 776                 }
 777                 break;
 778         }
 779
 780         switch (randint1(42))
 781         {
 782                 case 1:
 783                         if (!one_in_(WEIRD_LUCK))
 784                                 random_resistance(o_ptr);
 785                         else
 786                         {
 787                                 add_flag(o_ptr->art_flags, TR_IM_ACID);
 788                                 if (!o_ptr->artifact_bias)
 789                                         o_ptr->artifact_bias = BIAS_ACID;
 790                         }
 791                         break;
 792                 case 2:
 793                         if (!one_in_(WEIRD_LUCK))
 794                                 random_resistance(o_ptr);
 795                         else
 796                         {
 797                                 add_flag(o_ptr->art_flags, TR_IM_ELEC);
 798                                 if (!o_ptr->artifact_bias)
 799                                         o_ptr->artifact_bias = BIAS_ELEC;
 800                         }
 801                         break;
 802                 case 3:
 803                         if (!one_in_(WEIRD_LUCK))
 804                                 random_resistance(o_ptr);
 805                         else
 806                         {
 807                                 add_flag(o_ptr->art_flags, TR_IM_COLD);
 808                                 if (!o_ptr->artifact_bias)
 809                                         o_ptr->artifact_bias = BIAS_COLD;
 810                         }
 811                         break;
 812                 case 4:
 813                         if (!one_in_(WEIRD_LUCK))
 814                                 random_resistance(o_ptr);
 815                         else
 816                         {
 817                                 add_flag(o_ptr->art_flags, TR_IM_FIRE);
 818                                 if (!o_ptr->artifact_bias)
 819                                         o_ptr->artifact_bias = BIAS_FIRE;
 820                         }
 821                         break;
 822                 case 5:
 823                 case 6:
 824                 case 13:
 825                         add_flag(o_ptr->art_flags, TR_RES_ACID);
 826                         if (!o_ptr->artifact_bias)
 827                                 o_ptr->artifact_bias = BIAS_ACID;
 828                         break;
 829                 case 7:
 830                 case 8:
 831                 case 14:
 832                         add_flag(o_ptr->art_flags, TR_RES_ELEC);
 833                         if (!o_ptr->artifact_bias)
 834                                 o_ptr->artifact_bias = BIAS_ELEC;
 835                         break;
 836                 case 9:
 837                 case 10:
 838                 case 15:
 839                         add_flag(o_ptr->art_flags, TR_RES_FIRE);
 840                         if (!o_ptr->artifact_bias)
 841                                 o_ptr->artifact_bias = BIAS_FIRE;
 842                         break;
 843                 case 11:
 844                 case 12:
 845                 case 16:
 846                         add_flag(o_ptr->art_flags, TR_RES_COLD);
 847                         if (!o_ptr->artifact_bias)
 848                                 o_ptr->artifact_bias = BIAS_COLD;
 849                         break;
 850                 case 17:
 851                 case 18:
 852                         add_flag(o_ptr->art_flags, TR_RES_POIS);
 853                         if (!o_ptr->artifact_bias && !one_in_(4))
 854                                 o_ptr->artifact_bias = BIAS_POIS;
 855                         else if (!o_ptr->artifact_bias && one_in_(2))
 856                                 o_ptr->artifact_bias = BIAS_NECROMANTIC;
 857                         else if (!o_ptr->artifact_bias && one_in_(2))
 858                                 o_ptr->artifact_bias = BIAS_ROGUE;
 859                         break;
 860                 case 19:
 861                 case 20:
 862                         add_flag(o_ptr->art_flags, TR_RES_FEAR);
 863                         if (!o_ptr->artifact_bias && one_in_(3))
 864                                 o_ptr->artifact_bias = BIAS_WARRIOR;
 865                         break;
 866                 case 21:
 867                         add_flag(o_ptr->art_flags, TR_RES_LITE);
 868                         break;
 869                 case 22:
 870                         add_flag(o_ptr->art_flags, TR_RES_DARK);
 871                         break;
 872                 case 23:
 873                 case 24:
 874                         add_flag(o_ptr->art_flags, TR_RES_BLIND);
 875                         break;
 876                 case 25:
 877                 case 26:
 878                         add_flag(o_ptr->art_flags, TR_RES_CONF);
 879                         if (!o_ptr->artifact_bias && one_in_(6))
 880                                 o_ptr->artifact_bias = BIAS_CHAOS;
 881                         break;
 882                 case 27:
 883                 case 28:
 884                         add_flag(o_ptr->art_flags, TR_RES_SOUND);
 885                         break;
 886                 case 29:
 887                 case 30:
 888                         add_flag(o_ptr->art_flags, TR_RES_SHARDS);
 889                         break;
 890                 case 31:
 891                 case 32:
 892                         add_flag(o_ptr->art_flags, TR_RES_NETHER);
 893                         if (!o_ptr->artifact_bias && one_in_(3))
 894                                 o_ptr->artifact_bias = BIAS_NECROMANTIC;
 895                         break;
 896                 case 33:
 897                 case 34:
 898                         add_flag(o_ptr->art_flags, TR_RES_NEXUS);
 899                         break;
 900                 case 35:
 901                 case 36:
 902                         add_flag(o_ptr->art_flags, TR_RES_CHAOS);
 903                         if (!o_ptr->artifact_bias && one_in_(2))
 904                                 o_ptr->artifact_bias = BIAS_CHAOS;
 905                         break;
 906                 case 37:
 907                 case 38:
 908                         add_flag(o_ptr->art_flags, TR_RES_DISEN);
 909                         break;
 910                 case 39:
 911                         if (o_ptr->tval >= TV_CLOAK && o_ptr->tval <= TV_HARD_ARMOR)
 912                                 add_flag(o_ptr->art_flags, TR_SH_ELEC);
 913                         else
 914                                 random_resistance(o_ptr);
 915                         if (!o_ptr->artifact_bias)
 916                                 o_ptr->artifact_bias = BIAS_ELEC;
 917                         break;
 918                 case 40:
 919                         if (o_ptr->tval >= TV_CLOAK && o_ptr->tval <= TV_HARD_ARMOR)
 920                                 add_flag(o_ptr->art_flags, TR_SH_FIRE);
 921                         else
 922                                 random_resistance(o_ptr);
 923                         if (!o_ptr->artifact_bias)
 924                                 o_ptr->artifact_bias = BIAS_FIRE;
 925                         break;
 926                 case 41:
 927                         if (o_ptr->tval == TV_SHIELD || o_ptr->tval == TV_CLOAK ||
 928                             o_ptr->tval == TV_HELM || o_ptr->tval == TV_HARD_ARMOR)
 929                                 add_flag(o_ptr->art_flags, TR_REFLECT);
 930                         else
 931                                 random_resistance(o_ptr);
 932                         break;
 933                 case 42:
 934                         if (o_ptr->tval >= TV_CLOAK && o_ptr->tval <= TV_HARD_ARMOR)
 935                                 add_flag(o_ptr->art_flags, TR_SH_COLD);
 936                         else
 937                                 random_resistance(o_ptr);
 938                         if (!o_ptr->artifact_bias)
 939                                 o_ptr->artifact_bias = BIAS_COLD;
 940                         break;
 941         }
 942 }
 943
 944
 945 /*!
 946  * @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.
 947  * @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。
 948  * 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、
 949  * 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。
 950  * @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。
 951  * @param o_ptr 対象のオブジェクト構造体ポインタ
 952  * @return なし
 953  */
 954 static void random_misc(object_type * o_ptr)
 955 {
 956         switch (o_ptr->artifact_bias)
 957         {
 958         case BIAS_RANGER:
 959                 if (!(have_flag(o_ptr->art_flags, TR_SUST_CON)))
 960                 {
 961                         add_flag(o_ptr->art_flags, TR_SUST_CON);
 962                         if (one_in_(2)) return;
 963                 }
 964                 break;
 965
 966         case BIAS_STR:
 967                 if (!(have_flag(o_ptr->art_flags, TR_SUST_STR)))
 968                 {
 969                         add_flag(o_ptr->art_flags, TR_SUST_STR);
 970                         if (one_in_(2)) return;
 971                 }
 972                 break;
 973
 974         case BIAS_WIS:
 975                 if (!(have_flag(o_ptr->art_flags, TR_SUST_WIS)))
 976                 {
 977                         add_flag(o_ptr->art_flags, TR_SUST_WIS);
 978                         if (one_in_(2)) return;
 979                 }
 980                 break;
 981
 982         case BIAS_INT:
 983                 if (!(have_flag(o_ptr->art_flags, TR_SUST_INT)))
 984                 {
 985                         add_flag(o_ptr->art_flags, TR_SUST_INT);
 986                         if (one_in_(2)) return;
 987                 }
 988                 break;
 989
 990         case BIAS_DEX:
 991                 if (!(have_flag(o_ptr->art_flags, TR_SUST_DEX)))
 992                 {
 993                         add_flag(o_ptr->art_flags, TR_SUST_DEX);
 994                         if (one_in_(2)) return;
 995                 }
 996                 break;
 997
 998         case BIAS_CON:
 999                 if (!(have_flag(o_ptr->art_flags, TR_SUST_CON)))
1000                 {
1001                         add_flag(o_ptr->art_flags, TR_SUST_CON);
1002                         if (one_in_(2)) return;
1003                 }
1004                 break;
1005
1006         case BIAS_CHR:
1007                 if (!(have_flag(o_ptr->art_flags, TR_SUST_CHR)))
1008                 {
1009                         add_flag(o_ptr->art_flags, TR_SUST_CHR);
1010                         if (one_in_(2)) return;
1011                 }
1012                 break;
1013
1014         case BIAS_CHAOS:
1015                 if (!(have_flag(o_ptr->art_flags, TR_TELEPORT)))
1016                 {
1017                         add_flag(o_ptr->art_flags, TR_TELEPORT);
1018                         if (one_in_(2)) return;
1019                 }
1020                 break;
1021
1022         case BIAS_FIRE:
1023                 if (!(have_flag(o_ptr->art_flags, TR_LITE_1)))
1024                 {
1025                         add_flag(o_ptr->art_flags, TR_LITE_1); /* Freebie */
1026                 }
1027                 break;
1028         }
1029
1030         switch (randint1(33))
1031         {
1032                 case 1:
1033                         add_flag(o_ptr->art_flags, TR_SUST_STR);
1034                         if (!o_ptr->artifact_bias)
1035                                 o_ptr->artifact_bias = BIAS_STR;
1036                         break;
1037                 case 2:
1038                         add_flag(o_ptr->art_flags, TR_SUST_INT);
1039                         if (!o_ptr->artifact_bias)
1040                                 o_ptr->artifact_bias = BIAS_INT;
1041                         break;
1042                 case 3:
1043                         add_flag(o_ptr->art_flags, TR_SUST_WIS);
1044                         if (!o_ptr->artifact_bias)
1045                                 o_ptr->artifact_bias = BIAS_WIS;
1046                         break;
1047                 case 4:
1048                         add_flag(o_ptr->art_flags, TR_SUST_DEX);
1049                         if (!o_ptr->artifact_bias)
1050                                 o_ptr->artifact_bias = BIAS_DEX;
1051                         break;
1052                 case 5:
1053                         add_flag(o_ptr->art_flags, TR_SUST_CON);
1054                         if (!o_ptr->artifact_bias)
1055                                 o_ptr->artifact_bias = BIAS_CON;
1056                         break;
1057                 case 6:
1058                         add_flag(o_ptr->art_flags, TR_SUST_CHR);
1059                         if (!o_ptr->artifact_bias)
1060                                 o_ptr->artifact_bias = BIAS_CHR;
1061                         break;
1062                 case 7:
1063                 case 8:
1064                 case 14:
1065                         add_flag(o_ptr->art_flags, TR_FREE_ACT);
1066                         break;
1067                 case 9:
1068                         add_flag(o_ptr->art_flags, TR_HOLD_EXP);
1069                         if (!o_ptr->artifact_bias && one_in_(5))
1070                                 o_ptr->artifact_bias = BIAS_PRIESTLY;
1071                         else if (!o_ptr->artifact_bias && one_in_(6))
1072                                 o_ptr->artifact_bias = BIAS_NECROMANTIC;
1073                         break;
1074                 case 10:
1075                 case 11:
1076                         add_flag(o_ptr->art_flags, TR_LITE_1);
1077                         break;
1078                 case 12:
1079                 case 13:
1080                         add_flag(o_ptr->art_flags, TR_LEVITATION);
1081                         break;
1082                 case 15:
1083                 case 16:
1084                 case 17:
1085                         add_flag(o_ptr->art_flags, TR_SEE_INVIS);
1086                         break;
1087                 case 19:
1088                 case 20:
1089                         add_flag(o_ptr->art_flags, TR_SLOW_DIGEST);
1090                         break;
1091                 case 21:
1092                 case 22:
1093                         add_flag(o_ptr->art_flags, TR_REGEN);
1094                         break;
1095                 case 23:
1096                         add_flag(o_ptr->art_flags, TR_TELEPORT);
1097                         break;
1098                 case 24:
1099                 case 25:
1100                 case 26:
1101                         if (object_is_armour(o_ptr))
1102                                 random_misc(o_ptr);
1103                         else
1104                         {
1105                                 o_ptr->to_a = 4 + randint1(11);
1106                         }
1107                         break;
1108                 case 27:
1109                 case 28:
1110                 case 29:
1111                 {
1112                         HIT_PROB bonus_h;
1113                         HIT_POINT bonus_d;
1114                         add_flag(o_ptr->art_flags, TR_SHOW_MODS);
1115                         bonus_h = 4 + (HIT_PROB)(randint1(11));
1116                         bonus_d = 4 + (HIT_POINT)(randint1(11));
1117                         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))
1118                         {
1119                                 bonus_h /= 2;
1120                                 bonus_d /= 2;
1121                         }
1122                         o_ptr->to_h += bonus_h;
1123                         o_ptr->to_d += bonus_d;
1124                         break;
1125                 }
1126                 case 30:
1127                         add_flag(o_ptr->art_flags, TR_NO_MAGIC);
1128                         break;
1129                 case 31:
1130                         add_flag(o_ptr->art_flags, TR_NO_TELE);
1131                         break;
1132                 case 32:
1133                         add_flag(o_ptr->art_flags, TR_WARNING);
1134                         break;
1135
1136                 case 18:
1137                         switch (randint1(3))
1138                         {
1139                         case 1:
1140                                 add_flag(o_ptr->art_flags, TR_ESP_EVIL);
1141                                 if (!o_ptr->artifact_bias && one_in_(3))
1142                                         o_ptr->artifact_bias = BIAS_LAW;
1143                                 break;
1144                         case 2:
1145                                 add_flag(o_ptr->art_flags, TR_ESP_NONLIVING);
1146                                 if (!o_ptr->artifact_bias && one_in_(3))
1147                                         o_ptr->artifact_bias = BIAS_MAGE;
1148                                 break;
1149                         case 3:
1150                                 add_flag(o_ptr->art_flags, TR_TELEPATHY);
1151                                 if (!o_ptr->artifact_bias && one_in_(9))
1152                                         o_ptr->artifact_bias = BIAS_MAGE;
1153                                 break;
1154                         }
1155                         break;
1156
1157                 case 33:
1158                 {
1159                         int idx[3];
1160                         int n = randint1(3);
1161
1162                         idx[0] = randint1(10);
1163
1164                         idx[1] = randint1(9);
1165                         if (idx[1] >= idx[0]) idx[1]++;
1166
1167                         idx[2] = randint1(8);
1168                         if (idx[2] >= idx[0]) idx[2]++;
1169                         if (idx[2] >= idx[1]) idx[2]++;
1170
1171                         while (n--) switch (idx[n])
1172                         {
1173                         case 1:
1174                                 add_flag(o_ptr->art_flags, TR_ESP_ANIMAL);
1175                                 if (!o_ptr->artifact_bias && one_in_(4))
1176                                         o_ptr->artifact_bias = BIAS_RANGER;
1177                                 break;
1178                         case 2:
1179                                 add_flag(o_ptr->art_flags, TR_ESP_UNDEAD);
1180                                 if (!o_ptr->artifact_bias && one_in_(3))
1181                                         o_ptr->artifact_bias = BIAS_PRIESTLY;
1182                                 else if (!o_ptr->artifact_bias && one_in_(6))
1183                                         o_ptr->artifact_bias = BIAS_NECROMANTIC;
1184                                 break;
1185                         case 3:
1186                                 add_flag(o_ptr->art_flags, TR_ESP_DEMON);
1187                                 break;
1188                         case 4:
1189                                 add_flag(o_ptr->art_flags, TR_ESP_ORC);
1190                                 break;
1191                         case 5:
1192                                 add_flag(o_ptr->art_flags, TR_ESP_TROLL);
1193                                 break;
1194                         case 6:
1195                                 add_flag(o_ptr->art_flags, TR_ESP_GIANT);
1196                                 break;
1197                         case 7:
1198                                 add_flag(o_ptr->art_flags, TR_ESP_DRAGON);
1199                                 break;
1200                         case 8:
1201                                 add_flag(o_ptr->art_flags, TR_ESP_HUMAN);
1202                                 if (!o_ptr->artifact_bias && one_in_(6))
1203                                         o_ptr->artifact_bias = BIAS_ROGUE;
1204                                 break;
1205                         case 9:
1206                                 add_flag(o_ptr->art_flags, TR_ESP_GOOD);
1207                                 if (!o_ptr->artifact_bias && one_in_(3))
1208                                         o_ptr->artifact_bias = BIAS_LAW;
1209                                 break;
1210                         case 10:
1211                                 add_flag(o_ptr->art_flags, TR_ESP_UNIQUE);
1212                                 if (!o_ptr->artifact_bias && one_in_(3))
1213                                         o_ptr->artifact_bias = BIAS_LAW;
1214                                 break;
1215                         }
1216                         break;
1217                 }
1218         }
1219 }
1220
1221 /*!
1222  * @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.
1223  * @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。
1224  * 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、
1225  * 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、
1226  * *ドラゴンスレイ*、人間スレイ、切れ味、地震、理力。
1227  * @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。
1228  * @param o_ptr 対象のオブジェクト構造体ポインタ
1229  * @return なし
1230  */
1231 static void random_slay(object_type *o_ptr)
1232 {
1233         if (o_ptr->tval == TV_BOW)
1234         {
1235                 switch (randint1(6))
1236                 {
1237                         case 1:
1238                         case 2:
1239                         case 3:
1240                                 add_flag(o_ptr->art_flags, TR_XTRA_MIGHT);
1241                                 if (!one_in_(7)) remove_flag(o_ptr->art_flags, TR_XTRA_SHOTS);
1242                                 if (!o_ptr->artifact_bias && one_in_(9))
1243                                         o_ptr->artifact_bias = BIAS_RANGER;
1244                                 break;
1245                         default:
1246                                 add_flag(o_ptr->art_flags, TR_XTRA_SHOTS);
1247                                 if (!one_in_(7)) remove_flag(o_ptr->art_flags, TR_XTRA_MIGHT);
1248                                 if (!o_ptr->artifact_bias && one_in_(9))
1249                                         o_ptr->artifact_bias = BIAS_RANGER;
1250                         break;
1251                 }
1252
1253                 return;
1254         }
1255
1256         switch (o_ptr->artifact_bias)
1257         {
1258         case BIAS_CHAOS:
1259                 if (!(have_flag(o_ptr->art_flags, TR_CHAOTIC)))
1260                 {
1261                         add_flag(o_ptr->art_flags, TR_CHAOTIC);
1262                         if (one_in_(2)) return;
1263                 }
1264                 break;
1265
1266         case BIAS_PRIESTLY:
1267                 if((o_ptr->tval == TV_SWORD || o_ptr->tval == TV_POLEARM) &&
1268                    !(have_flag(o_ptr->art_flags, TR_BLESSED)))
1269                 {
1270                         /* A free power for "priestly" random artifacts */
1271                         add_flag(o_ptr->art_flags, TR_BLESSED);
1272                 }
1273                 break;
1274
1275         case BIAS_NECROMANTIC:
1276                 if (!(have_flag(o_ptr->art_flags, TR_VAMPIRIC)))
1277                 {
1278                         add_flag(o_ptr->art_flags, TR_VAMPIRIC);
1279                         if (one_in_(2)) return;
1280                 }
1281                 if (!(have_flag(o_ptr->art_flags, TR_BRAND_POIS)) && one_in_(2))
1282                 {
1283                         add_flag(o_ptr->art_flags, TR_BRAND_POIS);
1284                         if (one_in_(2)) return;
1285                 }
1286                 break;
1287
1288         case BIAS_RANGER:
1289                 if (!(have_flag(o_ptr->art_flags, TR_SLAY_ANIMAL)))
1290                 {
1291                         add_flag(o_ptr->art_flags, TR_SLAY_ANIMAL);
1292                         if (one_in_(2)) return;
1293                 }
1294                 break;
1295
1296         case BIAS_ROGUE:
1297                 if ((((o_ptr->tval == TV_SWORD) && (o_ptr->sval == SV_DAGGER)) ||
1298                      ((o_ptr->tval == TV_POLEARM) && (o_ptr->sval == SV_SPEAR))) &&
1299                          !(have_flag(o_ptr->art_flags, TR_THROW)))
1300                 {
1301                         /* Free power for rogues... */
1302                         add_flag(o_ptr->art_flags, TR_THROW);
1303                 }
1304                 if (!(have_flag(o_ptr->art_flags, TR_BRAND_POIS)))
1305                 {
1306                         add_flag(o_ptr->art_flags, TR_BRAND_POIS);
1307                         if (one_in_(2)) return;
1308                 }
1309                 break;
1310
1311         case BIAS_POIS:
1312                 if (!(have_flag(o_ptr->art_flags, TR_BRAND_POIS)))
1313                 {
1314                         add_flag(o_ptr->art_flags, TR_BRAND_POIS);
1315                         if (one_in_(2)) return;
1316                 }
1317                 break;
1318
1319         case BIAS_FIRE:
1320                 if (!(have_flag(o_ptr->art_flags, TR_BRAND_FIRE)))
1321                 {
1322                         add_flag(o_ptr->art_flags, TR_BRAND_FIRE);
1323                         if (one_in_(2)) return;
1324                 }
1325                 break;
1326
1327         case BIAS_COLD:
1328                 if (!(have_flag(o_ptr->art_flags, TR_BRAND_COLD)))
1329                 {
1330                         add_flag(o_ptr->art_flags, TR_BRAND_COLD);
1331                         if (one_in_(2)) return;
1332                 }
1333                 break;
1334
1335         case BIAS_ELEC:
1336                 if (!(have_flag(o_ptr->art_flags, TR_BRAND_ELEC)))
1337                 {
1338                         add_flag(o_ptr->art_flags, TR_BRAND_ELEC);
1339                         if (one_in_(2)) return;
1340                 }
1341                 break;
1342
1343         case BIAS_ACID:
1344                 if (!(have_flag(o_ptr->art_flags, TR_BRAND_ACID)))
1345                 {
1346                         add_flag(o_ptr->art_flags, TR_BRAND_ACID);
1347                         if (one_in_(2)) return;
1348                 }
1349                 break;
1350
1351         case BIAS_LAW:
1352                 if (!(have_flag(o_ptr->art_flags, TR_SLAY_EVIL)))
1353                 {
1354                         add_flag(o_ptr->art_flags, TR_SLAY_EVIL);
1355                         if (one_in_(2)) return;
1356                 }
1357                 if (!(have_flag(o_ptr->art_flags, TR_SLAY_UNDEAD)))
1358                 {
1359                         add_flag(o_ptr->art_flags, TR_SLAY_UNDEAD);
1360                         if (one_in_(2)) return;
1361                 }
1362                 if (!(have_flag(o_ptr->art_flags, TR_SLAY_DEMON)))
1363                 {
1364                         add_flag(o_ptr->art_flags, TR_SLAY_DEMON);
1365                         if (one_in_(2)) return;
1366                 }
1367                 break;
1368         }
1369
1370         switch (randint1(36))
1371         {
1372                 case 1:
1373                 case 2:
1374                         if (one_in_(4))
1375                         {
1376                                 add_flag(o_ptr->art_flags, TR_KILL_ANIMAL);
1377                         }
1378                         else
1379                         {
1380                                 add_flag(o_ptr->art_flags, TR_SLAY_ANIMAL);
1381                         }
1382                         break;
1383                 case 3:
1384                 case 4:
1385                         if (one_in_(8))
1386                         {
1387                                 add_flag(o_ptr->art_flags, TR_KILL_EVIL);
1388                         }
1389                         else
1390                         {
1391                                 add_flag(o_ptr->art_flags, TR_SLAY_EVIL);
1392                         }
1393                         if (!o_ptr->artifact_bias && one_in_(2))
1394                                 o_ptr->artifact_bias = BIAS_LAW;
1395                         else if (!o_ptr->artifact_bias && one_in_(9))
1396                                 o_ptr->artifact_bias = BIAS_PRIESTLY;
1397                         break;
1398                 case 5:
1399                 case 6:
1400                         if (one_in_(4))
1401                         {
1402                                 add_flag(o_ptr->art_flags, TR_KILL_UNDEAD);
1403                         }
1404                         else
1405                         {
1406                                 add_flag(o_ptr->art_flags, TR_SLAY_UNDEAD);
1407                         }
1408                         if (!o_ptr->artifact_bias && one_in_(9))
1409                                 o_ptr->artifact_bias = BIAS_PRIESTLY;
1410                         break;
1411                 case 7:
1412                 case 8:
1413                         if (one_in_(4))
1414                         {
1415                                 add_flag(o_ptr->art_flags, TR_KILL_DEMON);
1416                         }
1417                         else
1418                         {
1419                                 add_flag(o_ptr->art_flags, TR_SLAY_DEMON);
1420                         }
1421                         if (!o_ptr->artifact_bias && one_in_(9))
1422                                 o_ptr->artifact_bias = BIAS_PRIESTLY;
1423                         break;
1424                 case 9:
1425                 case 10:
1426                         if (one_in_(4))
1427                         {
1428                                 add_flag(o_ptr->art_flags, TR_KILL_ORC);
1429                         }
1430                         else
1431                         {
1432                                 add_flag(o_ptr->art_flags, TR_SLAY_ORC);
1433                         }
1434                         break;
1435                 case 11:
1436                 case 12:
1437                         if (one_in_(4))
1438                         {
1439                                 add_flag(o_ptr->art_flags, TR_KILL_TROLL);
1440                         }
1441                         else
1442                         {
1443                                 add_flag(o_ptr->art_flags, TR_SLAY_TROLL);
1444                         }
1445                         break;
1446                 case 13:
1447                 case 14:
1448                         if (one_in_(4))
1449                         {
1450                                 add_flag(o_ptr->art_flags, TR_KILL_GIANT);
1451                         }
1452                         else
1453                         {
1454                                 add_flag(o_ptr->art_flags, TR_SLAY_GIANT);
1455                         }
1456                         break;
1457                 case 15:
1458                 case 16:
1459                         add_flag(o_ptr->art_flags, TR_SLAY_DRAGON);
1460                         break;
1461                 case 17:
1462                         add_flag(o_ptr->art_flags, TR_KILL_DRAGON);
1463                         break;
1464                 case 18:
1465                 case 19:
1466                         if (o_ptr->tval == TV_SWORD)
1467                         {
1468                                 add_flag(o_ptr->art_flags, TR_VORPAL);
1469                                 if (!o_ptr->artifact_bias && one_in_(9))
1470                                         o_ptr->artifact_bias = BIAS_WARRIOR;
1471                         }
1472                         else
1473                                 random_slay(o_ptr);
1474                         break;
1475                 case 20:
1476                         add_flag(o_ptr->art_flags, TR_IMPACT);
1477                         break;
1478                 case 21:
1479                 case 22:
1480                         add_flag(o_ptr->art_flags, TR_BRAND_FIRE);
1481                         if (!o_ptr->artifact_bias)
1482                                 o_ptr->artifact_bias = BIAS_FIRE;
1483                         break;
1484                 case 23:
1485                 case 24:
1486                         add_flag(o_ptr->art_flags, TR_BRAND_COLD);
1487                         if (!o_ptr->artifact_bias)
1488                                 o_ptr->artifact_bias = BIAS_COLD;
1489                         break;
1490                 case 25:
1491                 case 26:
1492                         add_flag(o_ptr->art_flags, TR_BRAND_ELEC);
1493                         if (!o_ptr->artifact_bias)
1494                                 o_ptr->artifact_bias = BIAS_ELEC;
1495                         break;
1496                 case 27:
1497                 case 28:
1498                         add_flag(o_ptr->art_flags, TR_BRAND_ACID);
1499                         if (!o_ptr->artifact_bias)
1500                                 o_ptr->artifact_bias = BIAS_ACID;
1501                         break;
1502                 case 29:
1503                 case 30:
1504                         add_flag(o_ptr->art_flags, TR_BRAND_POIS);
1505                         if (!o_ptr->artifact_bias && !one_in_(3))
1506                                 o_ptr->artifact_bias = BIAS_POIS;
1507                         else if (!o_ptr->artifact_bias && one_in_(6))
1508                                 o_ptr->artifact_bias = BIAS_NECROMANTIC;
1509                         else if (!o_ptr->artifact_bias)
1510                                 o_ptr->artifact_bias = BIAS_ROGUE;
1511                         break;
1512                 case 31:
1513                         add_flag(o_ptr->art_flags, TR_VAMPIRIC);
1514                         if (!o_ptr->artifact_bias)
1515                                 o_ptr->artifact_bias = BIAS_NECROMANTIC;
1516                         break;
1517                 case 32:
1518                         add_flag(o_ptr->art_flags, TR_FORCE_WEAPON);
1519                         if (!o_ptr->artifact_bias)
1520                                 o_ptr->artifact_bias = (one_in_(2) ? BIAS_MAGE : BIAS_PRIESTLY);
1521                         break;
1522                 case 33:
1523                 case 34:
1524                         if (one_in_(4))
1525                         {
1526                                 add_flag(o_ptr->art_flags, TR_KILL_HUMAN);
1527                         }
1528                         else
1529                         {
1530                                 add_flag(o_ptr->art_flags, TR_SLAY_HUMAN);
1531                         }
1532                         break;
1533                 default:
1534                         add_flag(o_ptr->art_flags, TR_CHAOTIC);
1535                         if (!o_ptr->artifact_bias)
1536                                 o_ptr->artifact_bias = BIAS_CHAOS;
1537                         break;
1538         }
1539 }
1540
1541 /*!
1542  * @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.
1543  * @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。
1544  * @param o_ptr 対象のオブジェクト構造体ポインタ
1545  * @return なし
1546  */
1547 static void give_activation_power(object_type *o_ptr)
1548 {
1549         int type = 0, chance = 0;
1550
1551         switch (o_ptr->artifact_bias)
1552         {
1553                 case BIAS_ELEC:
1554                         if (!one_in_(3))
1555                         {
1556                                 type = ACT_BO_ELEC_1;
1557                         }
1558                         else if (!one_in_(5))
1559                         {
1560                                 type = ACT_BA_ELEC_2;
1561                         }
1562                         else
1563                         {
1564                                 type = ACT_BA_ELEC_3;
1565                         }
1566                         chance = 101;
1567                         break;
1568
1569                 case BIAS_POIS:
1570                         type = ACT_BA_POIS_1;
1571                         chance = 101;
1572                         break;
1573
1574                 case BIAS_FIRE:
1575                         if (!one_in_(3))
1576                         {
1577                                 type = ACT_BO_FIRE_1;
1578                         }
1579                         else if (!one_in_(5))
1580                         {
1581                                 type = ACT_BA_FIRE_1;
1582                         }
1583                         else
1584                         {
1585                                 type = ACT_BA_FIRE_2;
1586                         }
1587                         chance = 101;
1588                         break;
1589
1590                 case BIAS_COLD:
1591                         chance = 101;
1592                         if (!one_in_(3))
1593                                 type = ACT_BO_COLD_1;
1594                         else if (!one_in_(3))
1595                                 type = ACT_BA_COLD_1;
1596                         else if (!one_in_(3))
1597                                 type = ACT_BA_COLD_2;
1598                         else
1599                                 type = ACT_BA_COLD_3;
1600                         break;
1601
1602                 case BIAS_CHAOS:
1603                         chance = 50;
1604                         if (one_in_(6))
1605                                 type = ACT_SUMMON_DEMON;
1606                         else
1607                                 type = ACT_CALL_CHAOS;
1608                         break;
1609
1610                 case BIAS_PRIESTLY:
1611                         chance = 101;
1612
1613                         if (one_in_(13))
1614                                 type = ACT_CHARM_UNDEAD;
1615                         else if (one_in_(12))
1616                                 type = ACT_BANISH_EVIL;
1617                         else if (one_in_(11))
1618                                 type = ACT_DISP_EVIL;
1619                         else if (one_in_(10))
1620                                 type = ACT_PROT_EVIL;
1621                         else if (one_in_(9))
1622                                 type = ACT_CURE_1000;
1623                         else if (one_in_(8))
1624                                 type = ACT_CURE_700;
1625                         else if (one_in_(7))
1626                                 type = ACT_REST_ALL;
1627                         else if (one_in_(6))
1628                                 type = ACT_REST_EXP;
1629                         else
1630                                 type = ACT_CURE_MW;
1631                         break;
1632
1633                 case BIAS_NECROMANTIC:
1634                         chance = 101;
1635                         if (one_in_(66))
1636                                 type = ACT_WRAITH;
1637                         else if (one_in_(13))
1638                                 type = ACT_DISP_GOOD;
1639                         else if (one_in_(9))
1640                                 type = ACT_MASS_GENO;
1641                         else if (one_in_(8))
1642                                 type = ACT_GENOCIDE;
1643                         else if (one_in_(13))
1644                                 type = ACT_SUMMON_UNDEAD;
1645                         else if (one_in_(9))
1646                                 type = ACT_DRAIN_2;
1647                         else if (one_in_(6))
1648                                 type = ACT_CHARM_UNDEAD;
1649                         else
1650                                 type = ACT_DRAIN_1;
1651                         break;
1652
1653                 case BIAS_LAW:
1654                         chance = 101;
1655                         if (one_in_(8))
1656                                 type = ACT_BANISH_EVIL;
1657                         else if (one_in_(4))
1658                                 type = ACT_DISP_EVIL;
1659                         else
1660                                 type = ACT_PROT_EVIL;
1661                         break;
1662
1663                 case BIAS_ROGUE:
1664                         chance = 101;
1665                         if (one_in_(50))
1666                                 type = ACT_SPEED;
1667                         else if (one_in_(4))
1668                                 type = ACT_SLEEP;
1669                         else if (one_in_(3))
1670                                 type = ACT_DETECT_ALL;
1671                         else if (one_in_(8))
1672                                 type = ACT_ID_FULL;
1673                         else
1674                                 type = ACT_ID_PLAIN;
1675                         break;
1676
1677                 case BIAS_MAGE:
1678                         chance = 66;
1679                         if (one_in_(20))
1680                                 type = ACT_SUMMON_ELEMENTAL;
1681                         else if (one_in_(10))
1682                                 type = ACT_SUMMON_PHANTOM;
1683                         else if (one_in_(5))
1684                                 type = ACT_RUNE_EXPLO;
1685                         else
1686                                 type = ACT_ESP;
1687                         break;
1688
1689                 case BIAS_WARRIOR:
1690                         chance = 80;
1691                         if (one_in_(100))
1692                                 type = ACT_INVULN;
1693                         else
1694                                 type = ACT_BERSERK;
1695                         break;
1696
1697                 case BIAS_RANGER:
1698                         chance = 101;
1699                         if (one_in_(20))
1700                                 type = ACT_CHARM_ANIMALS;
1701                         else if (one_in_(7))
1702                                 type = ACT_SUMMON_ANIMAL;
1703                         else if (one_in_(6))
1704                                 type = ACT_CHARM_ANIMAL;
1705                         else if (one_in_(4))
1706                                 type = ACT_RESIST_ALL;
1707                         else if (one_in_(3))
1708                                 type = ACT_SATIATE;
1709                         else
1710                                 type = ACT_CURE_POISON;
1711                         break;
1712         }
1713
1714         if (!type || (randint1(100) >= chance))
1715         {
1716                 one_activation(o_ptr);
1717                 return;
1718         }
1719
1720         /* A type was chosen... */
1721         o_ptr->xtra2 = (byte_hack)type;
1722         add_flag(o_ptr->art_flags, TR_ACTIVATE);
1723         o_ptr->timeout = 0;
1724 }
1725
1726 /*!
1727  * @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.
1728  * @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。
1729  * @param o_ptr 処理中のアイテム参照ポインタ
1730  * @param return_name 名前を返すための文字列参照ポインタ
1731  * @param armour 対象のオブジェクトが防具が否か
1732  * @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)
1733  * @return なし
1734  */
1735 static void get_random_name(object_type *o_ptr, char *return_name, bool armour, int power)
1736 {
1737         PERCENTAGE prob = randint1(100);
1738
1739         if (prob <= SINDARIN_NAME)
1740         {
1741                 get_table_sindarin(return_name);
1742         }
1743         else if (prob <= TABLE_NAME)
1744         {
1745                 get_table_name(return_name);
1746         }
1747         else
1748         {
1749                 concptr filename;
1750
1751                 switch (armour)
1752                 {
1753                         case 1:
1754                                 switch (power)
1755                                 {
1756                                         case 0:
1757                                                 filename = _("a_cursed_j.txt", "a_cursed.txt");
1758                                                 break;
1759                                         case 1:
1760                                                 filename = _("a_low_j.txt", "a_low.txt");
1761                                                 break;
1762                                         case 2:
1763                                                 filename = _("a_med_j.txt", "a_med.txt");
1764                                                 break;
1765                                         default:
1766                                                 filename = _("a_high_j.txt", "a_high.txt");
1767                                 }
1768                                 break;
1769                         default:
1770                                 switch (power)
1771                                 {
1772                                         case 0:
1773                                                 filename = _("w_cursed_j.txt", "w_cursed.txt");
1774                                                 break;
1775                                         case 1:
1776                                                 filename = _("w_low_j.txt", "w_low.txt");
1777                                                 break;
1778                                         case 2:
1779                                                 filename = _("w_med_j.txt", "w_med.txt");
1780                                                 break;
1781                                         default:
1782                                                 filename = _("w_high_j.txt", "w_high.txt");
1783                                 }
1784                 }
1785
1786                 (void)get_rnd_line(filename, o_ptr->artifact_bias, return_name);
1787 #ifdef JP
1788                  if (return_name[0] == 0) get_table_name(return_name);
1789 #endif
1790         }
1791 }
1792
1793 /*!
1794  * @brief ランダムアーティファクト生成のメインルーチン
1795  * @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。
1796  * @param o_ptr 対象のオブジェクト構造体ポインタ
1797  * @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。
1798  * @return 常にTRUE(1)を返す
1799  */
1800 bool create_artifact(object_type *o_ptr, bool a_scroll)
1801 {
1802         GAME_TEXT new_name[1024];
1803         PARAMETER_VALUE has_pval = 0;
1804         int     powers = randint1(5) + 1;
1805         int     max_powers;
1806         int     max_type = (object_is_weapon_ammo(o_ptr) ? 7 : 5);
1807         int     power_level;
1808         s32b    total_flags;
1809         bool    a_cursed = FALSE;
1810         int     warrior_artifact_bias = 0;
1811         int i;
1812
1813         /* Reset artifact bias */
1814         o_ptr->artifact_bias = 0;
1815
1816         /* Nuke enchantments */
1817         o_ptr->name1 = 0;
1818         o_ptr->name2 = 0;
1819
1820         for (i = 0; i < TR_FLAG_SIZE; i++)
1821                 o_ptr->art_flags[i] |= k_info[o_ptr->k_idx].flags[i];
1822
1823         if (o_ptr->pval) has_pval = TRUE;
1824
1825         if (a_scroll && one_in_(4))
1826         {
1827                 switch (p_ptr->pclass)
1828                 {
1829                         case CLASS_WARRIOR:
1830                         case CLASS_BERSERKER:
1831                         case CLASS_ARCHER:
1832                         case CLASS_SAMURAI:
1833                         case CLASS_CAVALRY:
1834                         case CLASS_SMITH:
1835                                 o_ptr->artifact_bias = BIAS_WARRIOR;
1836                                 break;
1837                         case CLASS_MAGE:
1838                         case CLASS_HIGH_MAGE:
1839                         case CLASS_SORCERER:
1840                         case CLASS_MAGIC_EATER:
1841                         case CLASS_BLUE_MAGE:
1842                                 o_ptr->artifact_bias = BIAS_MAGE;
1843                                 break;
1844                         case CLASS_PRIEST:
1845                                 o_ptr->artifact_bias = BIAS_PRIESTLY;
1846                                 break;
1847                         case CLASS_ROGUE:
1848                         case CLASS_NINJA:
1849                                 o_ptr->artifact_bias = BIAS_ROGUE;
1850                                 warrior_artifact_bias = 25;
1851                                 break;
1852                         case CLASS_RANGER:
1853                         case CLASS_SNIPER:
1854                                 o_ptr->artifact_bias = BIAS_RANGER;
1855                                 warrior_artifact_bias = 30;
1856                                 break;
1857                         case CLASS_PALADIN:
1858                                 o_ptr->artifact_bias = BIAS_PRIESTLY;
1859                                 warrior_artifact_bias = 40;
1860                                 break;
1861                         case CLASS_WARRIOR_MAGE:
1862                         case CLASS_RED_MAGE:
1863                                 o_ptr->artifact_bias = BIAS_MAGE;
1864                                 warrior_artifact_bias = 40;
1865                                 break;
1866                         case CLASS_CHAOS_WARRIOR:
1867                                 o_ptr->artifact_bias = BIAS_CHAOS;
1868                                 warrior_artifact_bias = 40;
1869                                 break;
1870                         case CLASS_MONK:
1871                         case CLASS_FORCETRAINER:
1872                                 o_ptr->artifact_bias = BIAS_PRIESTLY;
1873                                 break;
1874                         case CLASS_MINDCRAFTER:
1875                         case CLASS_BARD:
1876                                 if (randint1(5) > 2) o_ptr->artifact_bias = BIAS_PRIESTLY;
1877                                 break;
1878                         case CLASS_TOURIST:
1879                                 if (randint1(5) > 2) o_ptr->artifact_bias = BIAS_WARRIOR;
1880                                 break;
1881                         case CLASS_IMITATOR:
1882                                 if (randint1(2) > 1) o_ptr->artifact_bias = BIAS_RANGER;
1883                                 break;
1884                         case CLASS_BEASTMASTER:
1885                                 o_ptr->artifact_bias = BIAS_CHR;
1886                                 warrior_artifact_bias = 50;
1887                                 break;
1888                         case CLASS_MIRROR_MASTER:
1889                                 if (randint1(4) > 1)
1890                                 {
1891                                     o_ptr->artifact_bias = BIAS_MAGE;
1892                                 }
1893                                 else
1894                                 {
1895                                     o_ptr->artifact_bias = BIAS_ROGUE;
1896                                 }
1897                                 break;
1898                 }
1899         }
1900
1901         if (a_scroll && (randint1(100) <= warrior_artifact_bias))
1902                 o_ptr->artifact_bias = BIAS_WARRIOR;
1903
1904         strcpy(new_name, "");
1905
1906         if (!a_scroll && one_in_(A_CURSED))
1907                 a_cursed = TRUE;
1908         if (((o_ptr->tval == TV_AMULET) || (o_ptr->tval == TV_RING)) && object_is_cursed(o_ptr))
1909                 a_cursed = TRUE;
1910
1911         while (one_in_(powers) || one_in_(7) || one_in_(10))
1912                 powers++;
1913
1914         if (!a_cursed && one_in_(WEIRD_LUCK))
1915                 powers *= 2;
1916
1917         if (a_cursed) powers /= 2;
1918
1919         max_powers = powers;
1920         /* Main loop */
1921         while (powers--)
1922         {
1923                 switch (randint1(max_type))
1924                 {
1925                         case 1: case 2:
1926                                 random_plus(o_ptr);
1927                                 has_pval = TRUE;
1928                                 break;
1929                         case 3: case 4:
1930                                 if (one_in_(2) && object_is_weapon_ammo(o_ptr) && (o_ptr->tval != TV_BOW))
1931                                 {
1932                                         if (a_cursed && !one_in_(13)) break;
1933                                         if (one_in_(13))
1934                                         {
1935                                                 if (one_in_(o_ptr->ds+4)) o_ptr->ds++;
1936                                         }
1937                                         else
1938                                         {
1939                                                 if (one_in_(o_ptr->dd+1)) o_ptr->dd++;
1940                                         }
1941                                 }
1942                                 else
1943                                         random_resistance(o_ptr);
1944                                 break;
1945                         case 5:
1946                                 random_misc(o_ptr);
1947                                 break;
1948                         case 6: case 7:
1949                                 random_slay(o_ptr);
1950                                 break;
1951                         default:
1952                                 if (p_ptr->wizard) msg_print("Switch error in create_artifact!");
1953                                 powers++;
1954                 }
1955         };
1956
1957         if (has_pval)
1958         {
1959                 if (have_flag(o_ptr->art_flags, TR_BLOWS))
1960                 {
1961                         o_ptr->pval = randint1(2);
1962                         if ((o_ptr->tval == TV_SWORD) && (o_ptr->sval == SV_HAYABUSA))
1963                                 o_ptr->pval++;
1964                 }
1965                 else
1966                 {
1967                         do
1968                         {
1969                                 o_ptr->pval++;
1970                         }
1971                         while (o_ptr->pval < randint1(5) || one_in_(o_ptr->pval));
1972                 }
1973
1974                 if ((o_ptr->pval > 4) && !one_in_(WEIRD_LUCK))
1975                         o_ptr->pval = 4;
1976         }
1977
1978
1979         /* give it some plusses... */
1980         if (object_is_armour(o_ptr))
1981                 o_ptr->to_a += randint1(o_ptr->to_a > 19 ? 1 : 20 - o_ptr->to_a);
1982         else if (object_is_weapon_ammo(o_ptr))
1983         {
1984                 o_ptr->to_h += randint1(o_ptr->to_h > 19 ? 1 : 20 - o_ptr->to_h);
1985                 o_ptr->to_d += randint1(o_ptr->to_d > 19 ? 1 : 20 - o_ptr->to_d);
1986                 if ((have_flag(o_ptr->art_flags, TR_WIS)) && (o_ptr->pval > 0)) add_flag(o_ptr->art_flags, TR_BLESSED);
1987         }
1988
1989         /* Just to be sure */
1990         add_flag(o_ptr->art_flags, TR_IGNORE_ACID);
1991         add_flag(o_ptr->art_flags, TR_IGNORE_ELEC);
1992         add_flag(o_ptr->art_flags, TR_IGNORE_FIRE);
1993         add_flag(o_ptr->art_flags, TR_IGNORE_COLD);
1994
1995         total_flags = flag_cost(o_ptr, o_ptr->pval);
1996
1997         if (a_cursed) curse_artifact(o_ptr);
1998
1999         if (!a_cursed &&
2000             one_in_(object_is_armour(o_ptr) ? ACTIVATION_CHANCE * 2 : ACTIVATION_CHANCE))
2001         {
2002                 o_ptr->xtra2 = 0;
2003                 give_activation_power(o_ptr);
2004         }
2005
2006         if (object_is_armour(o_ptr))
2007         {
2008                 while ((o_ptr->to_d+o_ptr->to_h) > 20)
2009                 {
2010                         if (one_in_(o_ptr->to_d) && one_in_(o_ptr->to_h)) break;
2011                         o_ptr->to_d -= (HIT_POINT)randint0(3);
2012                         o_ptr->to_h -= (HIT_PROB)randint0(3);
2013                 }
2014                 while ((o_ptr->to_d+o_ptr->to_h) > 10)
2015                 {
2016                         if (one_in_(o_ptr->to_d) || one_in_(o_ptr->to_h)) break;
2017                         o_ptr->to_d -= (HIT_POINT)randint0(3);
2018                         o_ptr->to_h -= (HIT_PROB)randint0(3);
2019                 }
2020         }
2021
2022         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);
2023
2024         if ((o_ptr->tval == TV_SWORD) && (o_ptr->sval == SV_DOKUBARI))
2025         {
2026                 o_ptr->to_h = 0;
2027                 o_ptr->to_d = 0;
2028                 remove_flag(o_ptr->art_flags, TR_BLOWS);
2029                 remove_flag(o_ptr->art_flags, TR_FORCE_WEAPON);
2030                 remove_flag(o_ptr->art_flags, TR_SLAY_ANIMAL);
2031                 remove_flag(o_ptr->art_flags, TR_SLAY_EVIL);
2032                 remove_flag(o_ptr->art_flags, TR_SLAY_UNDEAD);
2033                 remove_flag(o_ptr->art_flags, TR_SLAY_DEMON);
2034                 remove_flag(o_ptr->art_flags, TR_SLAY_ORC);
2035                 remove_flag(o_ptr->art_flags, TR_SLAY_TROLL);
2036                 remove_flag(o_ptr->art_flags, TR_SLAY_GIANT);
2037                 remove_flag(o_ptr->art_flags, TR_SLAY_DRAGON);
2038                 remove_flag(o_ptr->art_flags, TR_KILL_DRAGON);
2039                 remove_flag(o_ptr->art_flags, TR_SLAY_HUMAN);
2040                 remove_flag(o_ptr->art_flags, TR_VORPAL);
2041                 remove_flag(o_ptr->art_flags, TR_BRAND_POIS);
2042                 remove_flag(o_ptr->art_flags, TR_BRAND_ACID);
2043                 remove_flag(o_ptr->art_flags, TR_BRAND_ELEC);
2044                 remove_flag(o_ptr->art_flags, TR_BRAND_FIRE);
2045                 remove_flag(o_ptr->art_flags, TR_BRAND_COLD);
2046         }
2047
2048         if (!object_is_weapon_ammo(o_ptr))
2049         {
2050                 /* For armors */
2051                 if (a_cursed) power_level = 0;
2052                 else if (total_flags < 15000) power_level = 1;
2053                 else if (total_flags < 35000) power_level = 2;
2054                 else power_level = 3;
2055         }
2056
2057         else
2058         {
2059                 /* For weapons */
2060                 if (a_cursed) power_level = 0;
2061                 else if (total_flags < 20000) power_level = 1;
2062                 else if (total_flags < 45000) power_level = 2;
2063                 else power_level = 3;
2064         }
2065
2066         /* ダメージ抑制処理を行う */
2067         while (has_extreme_damage_rate(o_ptr) && !one_in_(SWORDFISH_LUCK))
2068         {
2069                 weakening_artifact(o_ptr);
2070         }
2071
2072         if (a_scroll)
2073         {
2074                 GAME_TEXT dummy_name[MAX_NLEN] = "";
2075                 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? ");
2076
2077                 object_aware(o_ptr);
2078                 object_known(o_ptr);
2079
2080                 /* Mark the item as fully known */
2081                 o_ptr->ident |= (IDENT_MENTAL);
2082
2083                 /* For being treated as random artifact in screen_object() */
2084                 o_ptr->art_name = quark_add("");
2085
2086                 (void)screen_object(o_ptr, 0L);
2087
2088                 if (!get_string(ask_msg, dummy_name, sizeof dummy_name)
2089                     || !dummy_name[0])
2090                 {
2091                         /* Cancelled */
2092                         if (one_in_(2))
2093                         {
2094                                 get_table_sindarin_aux(dummy_name);
2095                         }
2096                         else
2097                         {
2098                                 get_table_name_aux(dummy_name);
2099                         }
2100                 }
2101                 sprintf(new_name, _("《%s》", "'%s'"), dummy_name);
2102                 chg_virtue(V_INDIVIDUALISM, 2);
2103                 chg_virtue(V_ENCHANT, 5);
2104         }
2105         else
2106         {
2107                 get_random_name(o_ptr, new_name, object_is_armour(o_ptr), power_level);
2108         }
2109
2110         /* Save the inscription */
2111         o_ptr->art_name = quark_add(new_name);
2112
2113         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」",
2114                 "Random artifact generated - Power:%d Value:%d Bias:%s."), max_powers, total_flags, artifact_bias_name[o_ptr->artifact_bias]);
2115
2116         p_ptr->window |= (PW_INVEN | PW_EQUIP);
2117
2118         return TRUE;
2119 }
2120
2121 /*!
2122  * @brief オブジェクトから能力発動IDを取得する。
2123  * @details いくつかのケースで定義されている発動効果から、
2124  * 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。
2125  * @param o_ptr 対象のオブジェクト構造体ポインタ
2126  * @return 発動効果のIDを返す
2127  */
2128 int activation_index(object_type *o_ptr)
2129 {
2130         /* Give priority to weaponsmith's essential activations */
2131         if (object_is_smith(o_ptr))
2132         {
2133                 switch (o_ptr->xtra3 - 1)
2134                 {
2135                 case ESSENCE_TMP_RES_ACID: return ACT_RESIST_ACID;
2136                 case ESSENCE_TMP_RES_ELEC: return ACT_RESIST_ELEC;
2137                 case ESSENCE_TMP_RES_FIRE: return ACT_RESIST_FIRE;
2138                 case ESSENCE_TMP_RES_COLD: return ACT_RESIST_COLD;
2139                 case TR_IMPACT: return ACT_QUAKE;
2140                 }
2141         }
2142
2143         if (object_is_fixed_artifact(o_ptr))
2144         {
2145                 if (have_flag(a_info[o_ptr->name1].flags, TR_ACTIVATE))
2146                 {
2147                         return a_info[o_ptr->name1].act_idx;
2148                 }
2149         }
2150         if (object_is_ego(o_ptr))
2151         {
2152                 if (have_flag(e_info[o_ptr->name2].flags, TR_ACTIVATE))
2153                 {
2154                         return e_info[o_ptr->name2].act_idx;
2155                 }
2156         }
2157         if (!object_is_random_artifact(o_ptr))
2158         {
2159                 if (have_flag(k_info[o_ptr->k_idx].flags, TR_ACTIVATE))
2160                 {
2161                         return k_info[o_ptr->k_idx].act_idx;
2162                 }
2163         }
2164
2165         return o_ptr->xtra2;
2166 }
2167
2168 /*!
2169  * @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。
2170  * @details activation_index() 関数の結果から参照する。
2171  * @param o_ptr 対象のオブジェクト構造体ポインタ
2172  * @return 発動効果構造体のポインタを返す
2173  */
2174 const activation_type* find_activation_info(object_type *o_ptr)
2175 {
2176         const int index = activation_index(o_ptr);
2177         const activation_type* p;
2178
2179         for (p = activation_info; p->flag != NULL; ++ p) {
2180                 if (p->index == index)
2181                 {
2182                         return p;
2183                 }
2184         }
2185
2186         return NULL;
2187 }
2188
2189 /*!
2190  * @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。.
2191  * @details random_artifact_resistance()とあるが実際は固定アーティファクトである。
2192  * 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、
2193  * その他追加耐性、特性追加処理。
2194  * @attention プレイヤーの各種ステータスに依存した処理がある。
2195  * @todo 折を見て関数名を変更すること。
2196  * @param o_ptr 対象のオブジェクト構造体ポインタ
2197  * @param a_ptr 生成する固定アーティファクト構造体ポインタ
2198  * @return なし
2199  */
2200 void random_artifact_resistance(object_type * o_ptr, artifact_type *a_ptr)
2201 {
2202         bool give_resistance = FALSE, give_power = FALSE;
2203
2204         if (o_ptr->name1 == ART_TERROR) /* Terror Mask is for warriors... */
2205         {
2206                 if (p_ptr->pclass == CLASS_WARRIOR || p_ptr->pclass == CLASS_ARCHER || p_ptr->pclass == CLASS_CAVALRY || p_ptr->pclass == CLASS_BERSERKER)
2207                 {
2208                         give_power = TRUE;
2209                         give_resistance = TRUE;
2210                 }
2211                 else
2212                 {
2213                         add_flag(o_ptr->art_flags, TR_AGGRAVATE);
2214                         add_flag(o_ptr->art_flags, TR_TY_CURSE);
2215                         o_ptr->curse_flags |=
2216                             (TRC_CURSED | TRC_HEAVY_CURSE);
2217                         o_ptr->curse_flags |= get_curse(2, o_ptr);
2218                         return;
2219                 }
2220         }
2221
2222         if (o_ptr->name1 == ART_MURAMASA)
2223         {
2224                 if (p_ptr->pclass != CLASS_SAMURAI)
2225                 {
2226                         add_flag(o_ptr->art_flags, TR_NO_MAGIC);
2227                         o_ptr->curse_flags |= (TRC_HEAVY_CURSE);
2228                 }
2229         }
2230
2231         if (o_ptr->name1 == ART_ROBINTON)
2232         {
2233                 if (p_ptr->pclass == CLASS_BARD)
2234                 {
2235                         add_flag(o_ptr->art_flags, TR_DEC_MANA);
2236                 }
2237         }
2238
2239         if (o_ptr->name1 == ART_XIAOLONG)
2240         {
2241                 if (p_ptr->pclass == CLASS_MONK)
2242                         add_flag(o_ptr->art_flags, TR_BLOWS);
2243         }
2244
2245         if (o_ptr->name1 == ART_BLOOD)
2246         {
2247                 get_bloody_moon_flags(o_ptr);
2248         }
2249
2250         if (o_ptr->name1 == ART_HEAVENLY_MAIDEN)
2251         {
2252                 if (p_ptr->psex != SEX_FEMALE)
2253                 {
2254                         add_flag(o_ptr->art_flags, TR_AGGRAVATE);
2255                 }
2256         }
2257
2258         if (o_ptr->name1 == ART_MILIM)
2259         {
2260                 if (p_ptr->pseikaku == SEIKAKU_SEXY)
2261                 {
2262                         o_ptr->pval = 3;
2263                         add_flag(o_ptr->art_flags, TR_STR);
2264                         add_flag(o_ptr->art_flags, TR_INT);
2265                         add_flag(o_ptr->art_flags, TR_WIS);
2266                         add_flag(o_ptr->art_flags, TR_DEX);
2267                         add_flag(o_ptr->art_flags, TR_CON);
2268                         add_flag(o_ptr->art_flags, TR_CHR);
2269                 }
2270         }
2271
2272         if (a_ptr->gen_flags & (TRG_XTRA_POWER)) give_power = TRUE;
2273         if (a_ptr->gen_flags & (TRG_XTRA_H_RES)) give_resistance = TRUE;
2274         if (a_ptr->gen_flags & (TRG_XTRA_RES_OR_POWER))
2275         {
2276                 /* Give a resistance OR a power */
2277                 if (one_in_(2)) give_resistance = TRUE;
2278                 else give_power = TRUE;
2279         }
2280
2281         if (give_power)
2282         {
2283                 one_ability(o_ptr);
2284         }
2285
2286         if (give_resistance)
2287         {
2288                 one_high_resistance(o_ptr);
2289         }
2290 }
2291
2292
2293 /*!
2294  * @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
2295  * @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。
2296  * @param a_idx 生成する固定アーティファクト構造体のID
2297  * @param y アイテムを落とす地点のy座標
2298  * @param x アイテムを落とす地点のx座標
2299  * @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。
2300  * @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.
2301  * 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
2302  * drop_near()関数の返り値は信用できなくなる.
2303  */
2304 bool create_named_art(ARTIFACT_IDX a_idx, POSITION y, POSITION x)
2305 {
2306         object_type forge;
2307         object_type *q_ptr;
2308         KIND_OBJECT_IDX i;
2309
2310         artifact_type *a_ptr = &a_info[a_idx];
2311         q_ptr = &forge;
2312
2313         /* Ignore "empty" artifacts */
2314         if (!a_ptr->name) return FALSE;
2315
2316         /* Acquire the "kind" index */
2317         i = lookup_kind(a_ptr->tval, a_ptr->sval);
2318
2319         if (!i) return FALSE;
2320
2321         /* Create the artifact */
2322         object_prep(q_ptr, i);
2323
2324         /* Save the name */
2325         q_ptr->name1 = a_idx;
2326
2327         /* Extract the fields */
2328         q_ptr->pval = a_ptr->pval;
2329         q_ptr->ac = a_ptr->ac;
2330         q_ptr->dd = a_ptr->dd;
2331         q_ptr->ds = a_ptr->ds;
2332         q_ptr->to_a = a_ptr->to_a;
2333         q_ptr->to_h = a_ptr->to_h;
2334         q_ptr->to_d = a_ptr->to_d;
2335         q_ptr->weight = a_ptr->weight;
2336
2337         /* Hack -- extract the "cursed" flag */
2338         if (a_ptr->gen_flags & TRG_CURSED) q_ptr->curse_flags |= (TRC_CURSED);
2339         if (a_ptr->gen_flags & TRG_HEAVY_CURSE) q_ptr->curse_flags |= (TRC_HEAVY_CURSE);
2340         if (a_ptr->gen_flags & TRG_PERMA_CURSE) q_ptr->curse_flags |= (TRC_PERMA_CURSE);
2341         if (a_ptr->gen_flags & (TRG_RANDOM_CURSE0)) q_ptr->curse_flags |= get_curse(0, q_ptr);
2342         if (a_ptr->gen_flags & (TRG_RANDOM_CURSE1)) q_ptr->curse_flags |= get_curse(1, q_ptr);
2343         if (a_ptr->gen_flags & (TRG_RANDOM_CURSE2)) q_ptr->curse_flags |= get_curse(2, q_ptr);
2344
2345         random_artifact_resistance(q_ptr, a_ptr);
2346
2347         /* Drop the artifact from heaven */
2348         return drop_near(q_ptr, -1, y, x) ? TRUE : FALSE;
2349 }
2350
2351 /*対邪平均ダメージの計算処理*/
2352 HIT_POINT calc_arm_avgdamage(object_type *o_ptr)
2353 {
2354         BIT_FLAGS flgs[TR_FLAG_SIZE];
2355         object_flags(o_ptr, flgs);
2356
2357         HIT_POINT dam, base, s_evil, forced, vorpal;
2358         s_evil = forced = vorpal = 0;
2359         dam = base = (o_ptr->dd * o_ptr->ds + o_ptr->dd) / 2;
2360
2361         if(have_flag(flgs, TR_KILL_EVIL))
2362         {
2363                 dam = s_evil = dam * 7 / 2;
2364         }
2365         else if(!have_flag(flgs, TR_KILL_EVIL) && have_flag(flgs, TR_SLAY_EVIL))
2366         {
2367                 dam = s_evil = dam * 2;
2368         }
2369         else s_evil = dam;
2370
2371         if (have_flag(flgs, TR_FORCE_WEAPON))
2372         {
2373                 dam = forced = dam * 3 / 2 + (o_ptr->dd * o_ptr->ds + o_ptr->dd);
2374         }
2375         else forced = dam;
2376
2377         if(have_flag(flgs, TR_VORPAL))
2378         {
2379                 dam = vorpal = dam * 11 / 9;
2380         }
2381         else vorpal = dam;
2382
2383         dam = dam + o_ptr->to_d;
2384
2385         msg_format_wizard(CHEAT_OBJECT,"素:%d> 対邪:%d> 理力:%d> 切:%d> 最終:%d", base, s_evil, forced, vorpal, dam);
2386
2387         return dam;
2388 }
2389
2390 static bool has_extreme_damage_rate(object_type *o_ptr)
2391 {
2392         BIT_FLAGS flgs[TR_FLAG_SIZE];
2393         object_flags(o_ptr, flgs);
2394
2395         if (have_flag(flgs, TR_VAMPIRIC))
2396         {
2397                 if(have_flag(flgs, TR_BLOWS) && (o_ptr->pval == 1) && (calc_arm_avgdamage(o_ptr) > 52))
2398                 {
2399                         return TRUE;
2400                 }
2401                 else if(have_flag(flgs, TR_BLOWS) && (o_ptr->pval == 2) && (calc_arm_avgdamage(o_ptr) > 43))
2402                 {
2403                         return TRUE;
2404                 }
2405                 else if( have_flag(flgs, TR_BLOWS) && (o_ptr->pval == 3) && (calc_arm_avgdamage(o_ptr) > 33))
2406                 {
2407                         return TRUE;
2408                 }
2409                 else if (calc_arm_avgdamage(o_ptr) > 63)
2410                 {
2411                         return TRUE;
2412                 }
2413         }
2414         else
2415         {
2416                 if (have_flag(flgs, TR_BLOWS) && (o_ptr->pval == 1) && (calc_arm_avgdamage(o_ptr) > 65))
2417                 {
2418                         return TRUE;
2419                 }
2420                 else if (have_flag(flgs, TR_BLOWS) && (o_ptr->pval == 2) && (calc_arm_avgdamage(o_ptr) > 52))
2421                 {
2422                         return TRUE;
2423                 }
2424                 else if (have_flag(flgs, TR_BLOWS) && (o_ptr->pval == 3) && (calc_arm_avgdamage(o_ptr) > 40))
2425                 {
2426                         return TRUE;
2427                 }
2428                 else if (calc_arm_avgdamage(o_ptr) > 75)
2429                 {
2430                         return TRUE;
2431                 }
2432         }
2433         return FALSE;
2434 }
2435
2436 static bool weakening_artifact(object_type *o_ptr)
2437 {
2438         KIND_OBJECT_IDX k_idx = lookup_kind(o_ptr->tval, o_ptr->sval);
2439         object_kind *k_ptr = &k_info[k_idx];
2440         BIT_FLAGS flgs[TR_FLAG_SIZE];
2441         object_flags(o_ptr, flgs);
2442
2443         if (have_flag(flgs, TR_KILL_EVIL))
2444         {
2445                 remove_flag(o_ptr->art_flags, TR_KILL_EVIL);
2446                 add_flag(o_ptr->art_flags, TR_SLAY_EVIL);
2447                 return TRUE;
2448         }
2449         else if (k_ptr->dd < o_ptr->dd)
2450         {
2451                 o_ptr->dd--;
2452                 return TRUE;
2453         }
2454         else if (k_ptr->ds < o_ptr->ds)
2455         {
2456                 o_ptr->ds--;
2457                 return TRUE;
2458         }
2459         else if (o_ptr->to_d > 10)
2460         {
2461                 o_ptr->to_d = o_ptr->to_d - damroll(1, 6);
2462                 if (o_ptr->to_d < 10)
2463                 {
2464                         o_ptr->to_d = 10;
2465                 }
2466                 return TRUE;
2467         }
2468         return FALSE;
2469 }
2470
2471 /*!
2472  * @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。
2473  * Mega-Hack -- Attempt to create one of the "Special Objects"
2474  * @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
2475  * @return 生成に成功したらTRUEを返す。
2476  * @details
2477  * Attempt to change an object into an artifact\n
2478  * This routine should only be called by "apply_magic()"\n
2479  * Note -- see "make_artifact_special()" and "apply_magic()"\n
2480  */
2481 bool make_artifact(object_type *o_ptr)
2482 {
2483         ARTIFACT_IDX i;
2484
2485         /* No artifacts in the town */
2486         if (!current_floor_ptr->dun_level) return (FALSE);
2487
2488         /* Paranoia -- no "plural" artifacts */
2489         if (o_ptr->number != 1) return (FALSE);
2490
2491         /* Check the artifact list (skip the "specials") */
2492         for (i = 0; i < max_a_idx; i++)
2493         {
2494                 artifact_type *a_ptr = &a_info[i];
2495
2496                 /* Skip "empty" items */
2497                 if (!a_ptr->name) continue;
2498
2499                 /* Cannot make an artifact twice */
2500                 if (a_ptr->cur_num) continue;
2501
2502                 if (a_ptr->gen_flags & TRG_QUESTITEM) continue;
2503
2504                 if (a_ptr->gen_flags & TRG_INSTA_ART) continue;
2505
2506                 /* Must have the correct fields */
2507                 if (a_ptr->tval != o_ptr->tval) continue;
2508                 if (a_ptr->sval != o_ptr->sval) continue;
2509
2510                 /* XXX XXX Enforce minimum "depth" (loosely) */
2511                 if (a_ptr->level > current_floor_ptr->dun_level)
2512                 {
2513                         /* Acquire the "out-of-depth factor" */
2514                         int d = (a_ptr->level - current_floor_ptr->dun_level) * 2;
2515
2516                         /* Roll for out-of-depth creation */
2517                         if (!one_in_(d)) continue;
2518                 }
2519
2520                 /* We must make the "rarity roll" */
2521                 if (!one_in_(a_ptr->rarity)) continue;
2522
2523                 /* Hack -- mark the item as an artifact */
2524                 o_ptr->name1 = i;
2525
2526                 /* Hack: Some artifacts get random extra powers */
2527                 random_artifact_resistance(o_ptr, a_ptr);
2528
2529                 /* Success */
2530                 return (TRUE);
2531         }
2532
2533         /* Failure */
2534         return (FALSE);
2535 }
2536
2537 /*!
2538  * @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。
2539  * Mega-Hack -- Attempt to create one of the "Special Objects"
2540  * @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
2541  * @return 生成に成功したらTRUEを返す。
2542  * @details
2543  * We are only called from "make_object()", and we assume that\n
2544  * "apply_magic()" is called immediately after we return.\n
2545  *\n
2546  * Note -- see "make_artifact()" and "apply_magic()"\n
2547  */
2548 bool make_artifact_special(object_type *o_ptr)
2549 {
2550         IDX i;
2551         KIND_OBJECT_IDX k_idx = 0;
2552
2553         /*! @note 地上ではキャンセルする / No artifacts in the town */
2554         if (!current_floor_ptr->dun_level) return (FALSE);
2555
2556         /*! @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 */
2557         if (get_obj_num_hook) return (FALSE);
2558
2559         /*! @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") */
2560         for (i = 0; i < max_a_idx; i++)
2561         {
2562                 artifact_type *a_ptr = &a_info[i];
2563
2564                 /*! @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 */
2565                 if (!a_ptr->name) continue;
2566
2567                 /*! @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 */
2568                 if (a_ptr->cur_num) continue;
2569                 if (a_ptr->gen_flags & TRG_QUESTITEM) continue;
2570                 if (!(a_ptr->gen_flags & TRG_INSTA_ART)) continue;
2571
2572                 /*! @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 /
2573                  *  XXX XXX Enforce minimum "depth" (loosely) */
2574                 if (a_ptr->level > object_level)
2575                 {
2576                         /* @note  / Acquire the "out-of-depth factor". Roll for out-of-depth creation. */
2577                         int d = (a_ptr->level - object_level) * 2;
2578                         if (!one_in_(d)) continue;
2579                 }
2580
2581                 /*! @note 1/(レア度)の確率を満たさないと除外される / Artifact "rarity roll" */
2582                 if (!one_in_(a_ptr->rarity)) continue;
2583
2584                 /*! @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。 /
2585                  *  Find the base object. XXX XXX Enforce minimum "object" level (loosely). Acquire the "out-of-depth factor". Roll for out-of-depth creation. */
2586                 k_idx = lookup_kind(a_ptr->tval, a_ptr->sval);
2587                 if (k_info[k_idx].level > object_level)
2588                 {
2589                         int d = (k_info[k_idx].level - object_level) * 5;
2590                         if (!one_in_(d)) continue;
2591                 }
2592
2593                 /*! @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 /
2594                  * Assign the template. Mega-Hack -- mark the item as an artifact. Hack: Some artifacts get random extra powers. Success. */
2595                 object_prep(o_ptr, k_idx);
2596
2597                 o_ptr->name1 = i;
2598                 random_artifact_resistance(o_ptr, a_ptr);
2599                 return (TRUE);
2600         }
2601
2602         /*! @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 */
2603         return (FALSE);
2604 }