src/warning.c

   1
   2
   3 #include "angband.h"
   4 #include "artifact.h"
   5 #include "player-move.h"
   6 #include "feature.h"
   7 #include "floor.h"
   8 #include "warning.h"
   9 #include "player-status.h"
  10 #include "monster.h"
  11 #include "monster-spell.h"
  12 #include "spells.h"
  13
  14 /*!
  15  * @brief 警告を放つアイテムを選択する /
  16  * Choose one of items that have warning flag
  17  * Calculate spell damages
  18  * @return 警告を行う
  19  */
  20 object_type *choose_warning_item(void)
  21 {
  22         int i;
  23         int choices[INVEN_TOTAL - INVEN_RARM];
  24         int number = 0;
  25
  26         /* Paranoia -- Player has no warning ability */
  27         if (!p_ptr->warning) return NULL;
  28
  29         /* Search Inventory */
  30         for (i = INVEN_RARM; i < INVEN_TOTAL; i++)
  31         {
  32                 BIT_FLAGS flgs[TR_FLAG_SIZE];
  33                 object_type *o_ptr = &inventory[i];
  34
  35                 object_flags(o_ptr, flgs);
  36                 if (have_flag(flgs, TR_WARNING))
  37                 {
  38                         choices[number] = i;
  39                         number++;
  40                 }
  41         }
  42
  43         /* Choice one of them */
  44         return number ? &inventory[choices[randint0(number)]] : NULL;
  45 }
  46
  47 /*!
  48  * @brief 警告基準を定めるために魔法の効果属性に基づいて最大魔法ダメージを計算する /
  49  * Calculate spell damages
  50  * @param m_ptr 魔法を行使するモンスターの構造体参照ポインタ
  51  * @param typ 効果属性のID
  52  * @param dam 基本ダメージ
  53  * @param max 算出した最大ダメージを返すポインタ
  54  * @return なし
  55  */
  56 static void spell_damcalc(monster_type *m_ptr, EFFECT_ID typ, HIT_POINT dam, int *max)
  57 {
  58         monster_race *r_ptr = &r_info[m_ptr->r_idx];
  59         int          rlev = r_ptr->level;
  60         bool         ignore_wraith_form = FALSE;
  61
  62         /* Vulnerability, resistance and immunity */
  63         switch (typ)
  64         {
  65         case GF_ELEC:
  66                 if (p_ptr->immune_elec)
  67                 {
  68                         dam = 0;
  69                         ignore_wraith_form = TRUE;
  70                 }
  71                 else
  72                 {
  73                         if (p_ptr->muta3 & MUT3_VULN_ELEM) dam *= 2;
  74                         if (p_ptr->special_defense & KATA_KOUKIJIN) dam += dam / 3;
  75                         if (prace_is_(RACE_ANDROID)) dam += dam / 3;
  76                         if (p_ptr->resist_elec) dam = (dam + 2) / 3;
  77                         if (IS_OPPOSE_ELEC())
  78                                 dam = (dam + 2) / 3;
  79                 }
  80                 break;
  81
  82         case GF_POIS:
  83                 if (p_ptr->resist_pois) dam = (dam + 2) / 3;
  84                 if (IS_OPPOSE_POIS()) dam = (dam + 2) / 3;
  85                 break;
  86
  87         case GF_ACID:
  88                 if (p_ptr->immune_acid)
  89                 {
  90                         dam = 0;
  91                         ignore_wraith_form = TRUE;
  92                 }
  93                 else
  94                 {
  95                         if (p_ptr->muta3 & MUT3_VULN_ELEM) dam *= 2;
  96                         if (p_ptr->special_defense & KATA_KOUKIJIN) dam += dam / 3;
  97                         if (p_ptr->resist_acid) dam = (dam + 2) / 3;
  98                         if (IS_OPPOSE_ACID()) dam = (dam + 2) / 3;
  99                 }
 100                 break;
 101
 102         case GF_COLD:
 103         case GF_ICE:
 104                 if (p_ptr->immune_cold)
 105                 {
 106                         dam = 0;
 107                         ignore_wraith_form = TRUE;
 108                 }
 109                 else
 110                 {
 111                         if (p_ptr->muta3 & MUT3_VULN_ELEM) dam *= 2;
 112                         if (p_ptr->special_defense & KATA_KOUKIJIN) dam += dam / 3;
 113                         if (p_ptr->resist_cold) dam = (dam + 2) / 3;
 114                         if (IS_OPPOSE_COLD()) dam = (dam + 2) / 3;
 115                 }
 116                 break;
 117
 118         case GF_FIRE:
 119                 if (p_ptr->immune_fire)
 120                 {
 121                         dam = 0;
 122                         ignore_wraith_form = TRUE;
 123                 }
 124                 else
 125                 {
 126                         if (p_ptr->muta3 & MUT3_VULN_ELEM) dam *= 2;
 127                         if (prace_is_(RACE_ENT)) dam += dam / 3;
 128                         if (p_ptr->special_defense & KATA_KOUKIJIN) dam += dam / 3;
 129                         if (p_ptr->resist_fire) dam = (dam + 2) / 3;
 130                         if (IS_OPPOSE_FIRE()) dam = (dam + 2) / 3;
 131                 }
 132                 break;
 133
 134         case GF_PSY_SPEAR:
 135                 ignore_wraith_form = TRUE;
 136                 break;
 137
 138         case GF_ARROW:
 139                 if (!p_ptr->blind &&
 140                         ((inventory[INVEN_RARM].k_idx && (inventory[INVEN_RARM].name1 == ART_ZANTETSU)) ||
 141                         (inventory[INVEN_LARM].k_idx && (inventory[INVEN_LARM].name1 == ART_ZANTETSU))))
 142                 {
 143                         dam = 0;
 144                         ignore_wraith_form = TRUE;
 145                 }
 146                 break;
 147
 148         case GF_LITE:
 149                 if (p_ptr->resist_lite) dam /= 2; /* Worst case of 4 / (d4 + 7) */
 150                 if (prace_is_(RACE_VAMPIRE) || (p_ptr->mimic_form == MIMIC_VAMPIRE)) dam *= 2;
 151                 else if (prace_is_(RACE_S_FAIRY)) dam = dam * 4 / 3;
 152
 153                 /*
 154                  * Cannot use "ignore_wraith_form" strictly (for "random one damage")
 155                  * "dam *= 2;" for later "dam /= 2"
 156                  */
 157                 if (p_ptr->wraith_form) dam *= 2;
 158                 break;
 159
 160         case GF_DARK:
 161                 if (prace_is_(RACE_VAMPIRE) || (p_ptr->mimic_form == MIMIC_VAMPIRE) || p_ptr->wraith_form)
 162                 {
 163                         dam = 0;
 164                         ignore_wraith_form = TRUE;
 165                 }
 166                 else if (p_ptr->resist_dark) dam /= 2; /* Worst case of 4 / (d4 + 7) */
 167                 break;
 168
 169         case GF_SHARDS:
 170                 if (p_ptr->resist_shard) dam = dam * 3 / 4; /* Worst case of 6 / (d4 + 7) */
 171                 break;
 172
 173         case GF_SOUND:
 174                 if (p_ptr->resist_sound) dam = dam * 5 / 8; /* Worst case of 5 / (d4 + 7) */
 175                 break;
 176
 177         case GF_CONFUSION:
 178                 if (p_ptr->resist_conf) dam = dam * 5 / 8; /* Worst case of 5 / (d4 + 7) */
 179                 break;
 180
 181         case GF_CHAOS:
 182                 if (p_ptr->resist_chaos) dam = dam * 3 / 4; /* Worst case of 6 / (d4 + 7) */
 183                 break;
 184
 185         case GF_NETHER:
 186                 if (prace_is_(RACE_SPECTRE))
 187                 {
 188                         dam = 0;
 189                         ignore_wraith_form = TRUE;
 190                 }
 191                 else if (p_ptr->resist_neth) dam = dam * 3 / 4; /* Worst case of 6 / (d4 + 7) */
 192                 break;
 193
 194         case GF_DISENCHANT:
 195                 if (p_ptr->resist_disen) dam = dam * 3 / 4; /* Worst case of 6 / (d4 + 7) */
 196                 break;
 197
 198         case GF_NEXUS:
 199                 if (p_ptr->resist_nexus) dam = dam * 3 / 4; /* Worst case of 6 / (d4 + 7) */
 200                 break;
 201
 202         case GF_TIME:
 203                 if (p_ptr->resist_time) dam /= 2; /* Worst case of 4 / (d4 + 7) */
 204                 break;
 205
 206         case GF_GRAVITY:
 207                 if (p_ptr->levitation) dam = (dam * 2) / 3;
 208                 break;
 209
 210         case GF_ROCKET:
 211                 if (p_ptr->resist_shard) dam /= 2;
 212                 break;
 213
 214         case GF_NUKE:
 215                 if (p_ptr->resist_pois) dam = (2 * dam + 2) / 5;
 216                 if (IS_OPPOSE_POIS()) dam = (2 * dam + 2) / 5;
 217                 break;
 218
 219         case GF_DEATH_RAY:
 220                 if (p_ptr->mimic_form)
 221                 {
 222                         if (mimic_info[p_ptr->mimic_form].MIMIC_FLAGS & MIMIC_IS_NONLIVING)
 223                         {
 224                                 dam = 0;
 225                                 ignore_wraith_form = TRUE;
 226                         }
 227                 }
 228                 else
 229                 {
 230                         switch (p_ptr->prace)
 231                         {
 232                         case RACE_GOLEM:
 233                         case RACE_SKELETON:
 234                         case RACE_ZOMBIE:
 235                         case RACE_VAMPIRE:
 236                         case RACE_DEMON:
 237                         case RACE_SPECTRE:
 238                                 dam = 0;
 239                                 ignore_wraith_form = TRUE;
 240                                 break;
 241                         }
 242                 }
 243                 break;
 244
 245         case GF_HOLY_FIRE:
 246                 if (p_ptr->align > 10) dam /= 2;
 247                 else if (p_ptr->align < -10) dam *= 2;
 248                 break;
 249
 250         case GF_HELL_FIRE:
 251                 if (p_ptr->align > 10) dam *= 2;
 252                 break;
 253
 254         case GF_MIND_BLAST:
 255         case GF_BRAIN_SMASH:
 256                 if (100 + rlev / 2 <= MAX(5, p_ptr->skill_sav))
 257                 {
 258                         dam = 0;
 259                         ignore_wraith_form = TRUE;
 260                 }
 261                 break;
 262
 263         case GF_CAUSE_1:
 264         case GF_CAUSE_2:
 265         case GF_CAUSE_3:
 266         case GF_HAND_DOOM:
 267                 if (100 + rlev / 2 <= p_ptr->skill_sav)
 268                 {
 269                         dam = 0;
 270                         ignore_wraith_form = TRUE;
 271                 }
 272                 break;
 273
 274         case GF_CAUSE_4:
 275                 if ((100 + rlev / 2 <= p_ptr->skill_sav) && (m_ptr->r_idx != MON_KENSHIROU))
 276                 {
 277                         dam = 0;
 278                         ignore_wraith_form = TRUE;
 279                 }
 280                 break;
 281         }
 282
 283         if (p_ptr->wraith_form && !ignore_wraith_form)
 284         {
 285                 dam /= 2;
 286                 if (!dam) dam = 1;
 287         }
 288
 289         if (dam > *max) *max = dam;
 290 }
 291
 292 /*!
 293 * @brief 警告基準を定めるために魔法の効果属性に基づいて最大魔法ダメージを計算する。 /
 294 * Calculate spell damages
 295 * @param spell_num RF4ならRF4_SPELL_STARTのように32区切りのベースとなる数値
 296 * @param typ 効果属性のID
 297 * @param m_idx 魔法を行使するモンスターのID
 298 * @param max 算出した最大ダメージを返すポインタ
 299 * @return なし
 300 */
 301 void spell_damcalc_by_spellnum(int spell_num, EFFECT_ID typ, MONSTER_IDX m_idx, int *max)
 302 {
 303         monster_type *m_ptr = &current_floor_ptr->m_list[m_idx];
 304         HIT_POINT dam = monspell_damage((spell_num), m_idx, DAM_MAX);
 305         spell_damcalc(m_ptr, typ, dam, max);
 306 }
 307
 308 /*!
 309  * @brief 警告基準を定めるためにモンスターの打撃最大ダメージを算出する /
 310  * Calculate blow damages
 311  * @param m_ptr 打撃を行使するモンスターの構造体参照ポインタ
 312  * @param blow_ptr モンスターの打撃能力の構造体参照ポインタ
 313  * @return 算出された最大ダメージを返す。
 314  */
 315 static int blow_damcalc(monster_type *m_ptr, monster_blow *blow_ptr)
 316 {
 317         int  dam = blow_ptr->d_dice * blow_ptr->d_side;
 318         int  dummy_max = 0;
 319         bool check_wraith_form = TRUE;
 320
 321         if (blow_ptr->method != RBM_EXPLODE)
 322         {
 323                 ARMOUR_CLASS ac = p_ptr->ac + p_ptr->to_a;
 324
 325                 switch (blow_ptr->effect)
 326                 {
 327                 case RBE_SUPERHURT:
 328                 {
 329                         int tmp_dam = dam - (dam * ((ac < 150) ? ac : 150) / 250);
 330                         dam = MAX(dam, tmp_dam * 2);
 331                         break;
 332                 }
 333
 334                 case RBE_HURT:
 335                 case RBE_SHATTER:
 336                         dam -= (dam * ((ac < 150) ? ac : 150) / 250);
 337                         break;
 338
 339                 case RBE_ACID:
 340                         spell_damcalc(m_ptr, GF_ACID, dam, &dummy_max);
 341                         dam = dummy_max;
 342                         check_wraith_form = FALSE;
 343                         break;
 344
 345                 case RBE_ELEC:
 346                         spell_damcalc(m_ptr, GF_ELEC, dam, &dummy_max);
 347                         dam = dummy_max;
 348                         check_wraith_form = FALSE;
 349                         break;
 350
 351                 case RBE_FIRE:
 352                         spell_damcalc(m_ptr, GF_FIRE, dam, &dummy_max);
 353                         dam = dummy_max;
 354                         check_wraith_form = FALSE;
 355                         break;
 356
 357                 case RBE_COLD:
 358                         spell_damcalc(m_ptr, GF_COLD, dam, &dummy_max);
 359                         dam = dummy_max;
 360                         check_wraith_form = FALSE;
 361                         break;
 362
 363                 case RBE_DR_MANA:
 364                         dam = 0;
 365                         check_wraith_form = FALSE;
 366                         break;
 367                 }
 368
 369                 if (check_wraith_form && p_ptr->wraith_form)
 370                 {
 371                         dam /= 2;
 372                         if (!dam) dam = 1;
 373                 }
 374         }
 375         else
 376         {
 377                 dam = (dam + 1) / 2;
 378                 spell_damcalc(m_ptr, mbe_info[blow_ptr->effect].explode_type, dam, &dummy_max);
 379                 dam = dummy_max;
 380         }
 381
 382         return dam;
 383 }
 384
 385 /*!
 386  * @brief プレイヤーが特定地点へ移動した場合に警告を発する処理 /
 387  * Examine the grid (xx,yy) and warn the player if there are any danger
 388  * @param xx 危険性を調査するマスのX座標
 389  * @param yy 危険性を調査するマスのY座標
 390  * @return 警告を無視して進むことを選択するかか問題が無ければTRUE、警告に従ったならFALSEを返す。
 391  */
 392 bool process_warning(POSITION xx, POSITION yy)
 393 {
 394         POSITION mx, my;
 395         grid_type *g_ptr;
 396         GAME_TEXT o_name[MAX_NLEN];
 397
 398 #define WARNING_AWARE_RANGE 12
 399         int dam_max = 0;
 400         static int old_damage = 0;
 401
 402         for (mx = xx - WARNING_AWARE_RANGE; mx < xx + WARNING_AWARE_RANGE + 1; mx++)
 403         {
 404                 for (my = yy - WARNING_AWARE_RANGE; my < yy + WARNING_AWARE_RANGE + 1; my++)
 405                 {
 406                         int dam_max0 = 0;
 407                         monster_type *m_ptr;
 408                         monster_race *r_ptr;
 409
 410                         if (!in_bounds(my, mx) || (distance(my, mx, yy, xx) > WARNING_AWARE_RANGE)) continue;
 411
 412                         g_ptr = &current_floor_ptr->grid_array[my][mx];
 413
 414                         if (!g_ptr->m_idx) continue;
 415
 416                         m_ptr = &current_floor_ptr->m_list[g_ptr->m_idx];
 417
 418                         if (MON_CSLEEP(m_ptr)) continue;
 419                         if (!is_hostile(m_ptr)) continue;
 420
 421                         r_ptr = &r_info[m_ptr->r_idx];
 422
 423                         /* Monster spells (only powerful ones)*/
 424                         if (projectable(my, mx, yy, xx))
 425                         {
 426                                 BIT_FLAGS f4 = r_ptr->flags4;
 427                                 BIT_FLAGS f5 = r_ptr->a_ability_flags1;
 428                                 BIT_FLAGS f6 = r_ptr->a_ability_flags2;
 429
 430                                 if (!(d_info[p_ptr->dungeon_idx].flags1 & DF1_NO_MAGIC))
 431                                 {
 432                                         if (f4 & RF4_BA_CHAO) spell_damcalc_by_spellnum(MS_BALL_CHAOS, GF_CHAOS, g_ptr->m_idx, &dam_max0);
 433                                         if (f5 & RF5_BA_MANA) spell_damcalc_by_spellnum(MS_BALL_MANA, GF_MANA, g_ptr->m_idx, &dam_max0);
 434                                         if (f5 & RF5_BA_DARK) spell_damcalc_by_spellnum(MS_BALL_DARK, GF_DARK, g_ptr->m_idx, &dam_max0);
 435                                         if (f5 & RF5_BA_LITE) spell_damcalc_by_spellnum(MS_STARBURST, GF_LITE, g_ptr->m_idx, &dam_max0);
 436                                         if (f6 & RF6_HAND_DOOM) spell_damcalc_by_spellnum(MS_HAND_DOOM, GF_HAND_DOOM, g_ptr->m_idx, &dam_max0);
 437                                         if (f6 & RF6_PSY_SPEAR) spell_damcalc_by_spellnum(MS_PSY_SPEAR, GF_PSY_SPEAR, g_ptr->m_idx, &dam_max0);
 438                                 }
 439                                 if (f4 & RF4_ROCKET) spell_damcalc_by_spellnum(MS_ROCKET, GF_ROCKET, g_ptr->m_idx, &dam_max0);
 440                                 if (f4 & RF4_BR_ACID) spell_damcalc_by_spellnum(MS_BR_ACID, GF_ACID, g_ptr->m_idx, &dam_max0);
 441                                 if (f4 & RF4_BR_ELEC) spell_damcalc_by_spellnum(MS_BR_ELEC, GF_ELEC, g_ptr->m_idx, &dam_max0);
 442                                 if (f4 & RF4_BR_FIRE) spell_damcalc_by_spellnum(MS_BR_FIRE, GF_FIRE, g_ptr->m_idx, &dam_max0);
 443                                 if (f4 & RF4_BR_COLD) spell_damcalc_by_spellnum(MS_BR_COLD, GF_COLD, g_ptr->m_idx, &dam_max0);
 444                                 if (f4 & RF4_BR_POIS) spell_damcalc_by_spellnum(MS_BR_POIS, GF_POIS, g_ptr->m_idx, &dam_max0);
 445                                 if (f4 & RF4_BR_NETH) spell_damcalc_by_spellnum(MS_BR_NETHER, GF_NETHER, g_ptr->m_idx, &dam_max0);
 446                                 if (f4 & RF4_BR_LITE) spell_damcalc_by_spellnum(MS_BR_LITE, GF_LITE, g_ptr->m_idx, &dam_max0);
 447                                 if (f4 & RF4_BR_DARK) spell_damcalc_by_spellnum(MS_BR_DARK, GF_DARK, g_ptr->m_idx, &dam_max0);
 448                                 if (f4 & RF4_BR_CONF) spell_damcalc_by_spellnum(MS_BR_CONF, GF_CONFUSION, g_ptr->m_idx, &dam_max0);
 449                                 if (f4 & RF4_BR_SOUN) spell_damcalc_by_spellnum(MS_BR_SOUND, GF_SOUND, g_ptr->m_idx, &dam_max0);
 450                                 if (f4 & RF4_BR_CHAO) spell_damcalc_by_spellnum(MS_BR_CHAOS, GF_CHAOS, g_ptr->m_idx, &dam_max0);
 451                                 if (f4 & RF4_BR_DISE) spell_damcalc_by_spellnum(MS_BR_DISEN, GF_DISENCHANT, g_ptr->m_idx, &dam_max0);
 452                                 if (f4 & RF4_BR_NEXU) spell_damcalc_by_spellnum(MS_BR_NEXUS, GF_NEXUS, g_ptr->m_idx, &dam_max0);
 453                                 if (f4 & RF4_BR_TIME) spell_damcalc_by_spellnum(MS_BR_TIME, GF_TIME, g_ptr->m_idx, &dam_max0);
 454                                 if (f4 & RF4_BR_INER) spell_damcalc_by_spellnum(MS_BR_INERTIA, GF_INERTIAL, g_ptr->m_idx, &dam_max0);
 455                                 if (f4 & RF4_BR_GRAV) spell_damcalc_by_spellnum(MS_BR_GRAVITY, GF_GRAVITY, g_ptr->m_idx, &dam_max0);
 456                                 if (f4 & RF4_BR_SHAR) spell_damcalc_by_spellnum(MS_BR_SHARDS, GF_SHARDS, g_ptr->m_idx, &dam_max0);
 457                                 if (f4 & RF4_BR_PLAS) spell_damcalc_by_spellnum(MS_BR_PLASMA, GF_PLASMA, g_ptr->m_idx, &dam_max0);
 458                                 if (f4 & RF4_BR_WALL) spell_damcalc_by_spellnum(MS_BR_FORCE, GF_FORCE, g_ptr->m_idx, &dam_max0);
 459                                 if (f4 & RF4_BR_MANA) spell_damcalc_by_spellnum(MS_BR_MANA, GF_MANA, g_ptr->m_idx, &dam_max0);
 460                                 if (f4 & RF4_BR_NUKE) spell_damcalc_by_spellnum(MS_BR_NUKE, GF_NUKE, g_ptr->m_idx, &dam_max0);
 461                                 if (f4 & RF4_BR_DISI) spell_damcalc_by_spellnum(MS_BR_DISI, GF_DISINTEGRATE, g_ptr->m_idx, &dam_max0);
 462                         }
 463
 464                         /* Monster melee attacks */
 465                         if (!(r_ptr->flags1 & RF1_NEVER_BLOW) && !(d_info[p_ptr->dungeon_idx].flags1 & DF1_NO_MELEE))
 466                         {
 467                                 if (mx <= xx + 1 && mx >= xx - 1 && my <= yy + 1 && my >= yy - 1)
 468                                 {
 469                                         int m;
 470                                         int dam_melee = 0;
 471                                         for (m = 0; m < 4; m++)
 472                                         {
 473                                                 /* Skip non-attacks */
 474                                                 if (!r_ptr->blow[m].method || (r_ptr->blow[m].method == RBM_SHOOT)) continue;
 475
 476                                                 /* Extract the attack info */
 477                                                 dam_melee += blow_damcalc(m_ptr, &r_ptr->blow[m]);
 478                                                 if (r_ptr->blow[m].method == RBM_EXPLODE) break;
 479                                         }
 480                                         if (dam_melee > dam_max0) dam_max0 = dam_melee;
 481                                 }
 482                         }
 483
 484                         /* Contribution from this monster */
 485                         dam_max += dam_max0;
 486                 }
 487         }
 488
 489         /* Prevent excessive warning */
 490         if (dam_max > old_damage)
 491         {
 492                 old_damage = dam_max * 3 / 2;
 493
 494                 if (dam_max > p_ptr->chp / 2)
 495                 {
 496                         object_type *o_ptr = choose_warning_item();
 497
 498                         if (o_ptr)
 499                                 object_desc(o_name, o_ptr, (OD_OMIT_PREFIX | OD_NAME_ONLY));
 500                         else
 501                                 strcpy(o_name, _("体", "body")); /* Warning ability without item */
 502                         msg_format(_("%sが鋭く震えた！", "Your %s pulsates sharply!"), o_name);
 503
 504                         disturb(FALSE, TRUE);
 505                         return get_check(_("本当にこのまま進むか？", "Really want to go ahead? "));
 506                 }
 507         }
 508         else old_damage = old_damage / 2;
 509
 510         g_ptr = &current_floor_ptr->grid_array[yy][xx];
 511         if (((!easy_disarm && is_trap(g_ptr->feat))
 512                 || (g_ptr->mimic && is_trap(g_ptr->feat))) && !one_in_(13))
 513         {
 514                 object_type *o_ptr = choose_warning_item();
 515
 516                 if (o_ptr)
 517                         object_desc(o_name, o_ptr, (OD_OMIT_PREFIX | OD_NAME_ONLY));
 518                 else
 519                         strcpy(o_name, _("体", "body")); /* Warning ability without item */
 520                 msg_format(_("%sが鋭く震えた！", "Your %s pulsates sharply!"), o_name);
 521                 disturb(FALSE, TRUE);
 522                 return get_check(_("本当にこのまま進むか？", "Really want to go ahead? "));
 523         }
 524
 525         return TRUE;
 526 }
 527