src/object/warning.c

   1 #include "object/warning.h"
   2 #include "art-definition/art-sword-types.h"
   3 #include "dungeon/dungeon.h"
   4 #include "floor/floor.h"
   5 #include "grid/feature.h"
   6 #include "monster-attack/monster-attack-effect.h"
   7 #include "monster-attack/monster-attack-types.h"
   8 #include "monster/monster.h"
   9 #include "mspell/monster-spell.h"
  10 #include "mspell/mspell-damage-calculator.h"
  11 #include "mspell/mspell-type.h"
  12 #include "object-enchant/tr-types.h"
  13 #include "object/object-flavor.h"
  14 #include "object/object1.h"
  15 #include "player/mimic-info-table.h"
  16 #include "player/player-class.h"
  17 #include "player/player-move.h"
  18 #include "player/player-races-table.h"
  19 #include "player/player-status.h"
  20 #include "spell/spells-type.h"
  21 #include "util/util.h"
  22
  23 /*!
  24  * @brief 警告を放つアイテムを選択する /
  25  * Choose one of items that have warning flag
  26  * Calculate spell damages
  27  * @return 警告を行う
  28  */
  29 object_type *choose_warning_item(player_type *creature_ptr)
  30 {
  31         int choices[INVEN_TOTAL - INVEN_RARM];
  32
  33         /* Paranoia -- Player has no warning ability */
  34         if (!creature_ptr->warning) return NULL;
  35
  36         /* Search Inventory */
  37         int number = 0;
  38         for (int i = INVEN_RARM; i < INVEN_TOTAL; i++)
  39         {
  40                 BIT_FLAGS flgs[TR_FLAG_SIZE];
  41                 object_type *o_ptr = &creature_ptr->inventory_list[i];
  42
  43                 object_flags(o_ptr, flgs);
  44                 if (have_flag(flgs, TR_WARNING))
  45                 {
  46                         choices[number] = i;
  47                         number++;
  48                 }
  49         }
  50
  51         /* Choice one of them */
  52         return number ? &creature_ptr->inventory_list[choices[randint0(number)]] : NULL;
  53 }
  54
  55 /*!
  56  * @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 /
  57  * Calculate spell damages
  58  * @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
  59  * @param typ 効果属性のID
  60  * @param dam 基本ダメージ
  61  * @param max 算出した最大ダメージを返すポインタ
  62  * @return なし
  63  */
  64 static void spell_damcalc(player_type *target_ptr, monster_type *m_ptr, EFFECT_ID typ, HIT_POINT dam, int *max)
  65 {
  66         monster_race *r_ptr = &r_info[m_ptr->r_idx];
  67         int rlev = r_ptr->level;
  68         bool ignore_wraith_form = FALSE;
  69
  70         /* Vulnerability, resistance and immunity */
  71         switch (typ)
  72         {
  73         case GF_ELEC:
  74                 if (target_ptr->immune_elec)
  75                 {
  76                         dam = 0;
  77                         ignore_wraith_form = TRUE;
  78                         break;
  79                 }
  80
  81                 if (target_ptr->muta3 & MUT3_VULN_ELEM) dam *= 2;
  82                 if (target_ptr->special_defense & KATA_KOUKIJIN) dam += dam / 3;
  83                 if (PRACE_IS_(target_ptr, RACE_ANDROID)) dam += dam / 3;
  84                 if (target_ptr->resist_elec) dam = (dam + 2) / 3;
  85                 if (is_oppose_elec(target_ptr)) dam = (dam + 2) / 3;
  86                 break;
  87
  88         case GF_POIS:
  89                 if (target_ptr->resist_pois) dam = (dam + 2) / 3;
  90                 if (is_oppose_pois(target_ptr)) dam = (dam + 2) / 3;
  91                 break;
  92
  93         case GF_ACID:
  94                 if (target_ptr->immune_acid)
  95                 {
  96                         dam = 0;
  97                         ignore_wraith_form = TRUE;
  98                         break;
  99                 }
 100
 101                 if (target_ptr->muta3 & MUT3_VULN_ELEM) dam *= 2;
 102                 if (target_ptr->special_defense & KATA_KOUKIJIN) dam += dam / 3;
 103                 if (target_ptr->resist_acid) dam = (dam + 2) / 3;
 104                 if (is_oppose_acid(target_ptr)) dam = (dam + 2) / 3;
 105                 break;
 106
 107         case GF_COLD:
 108         case GF_ICE:
 109                 if (target_ptr->immune_cold)
 110                 {
 111                         dam = 0;
 112                         ignore_wraith_form = TRUE;
 113                         break;
 114                 }
 115
 116                 if (target_ptr->muta3 & MUT3_VULN_ELEM) dam *= 2;
 117                 if (target_ptr->special_defense & KATA_KOUKIJIN) dam += dam / 3;
 118                 if (target_ptr->resist_cold) dam = (dam + 2) / 3;
 119                 if (is_oppose_cold(target_ptr)) dam = (dam + 2) / 3;
 120                 break;
 121
 122         case GF_FIRE:
 123                 if (target_ptr->immune_fire)
 124                 {
 125                         dam = 0;
 126                         ignore_wraith_form = TRUE;
 127                         break;
 128                 }
 129
 130                 if (target_ptr->muta3 & MUT3_VULN_ELEM) dam *= 2;
 131                 if (PRACE_IS_(target_ptr, RACE_ENT)) dam += dam / 3;
 132                 if (target_ptr->special_defense & KATA_KOUKIJIN) dam += dam / 3;
 133                 if (target_ptr->resist_fire) dam = (dam + 2) / 3;
 134                 if (is_oppose_fire(target_ptr)) dam = (dam + 2) / 3;
 135                 break;
 136
 137         case GF_PSY_SPEAR:
 138                 ignore_wraith_form = TRUE;
 139                 break;
 140
 141         case GF_ARROW:
 142                 if (!target_ptr->blind &&
 143                         ((target_ptr->inventory_list[INVEN_RARM].k_idx && (target_ptr->inventory_list[INVEN_RARM].name1 == ART_ZANTETSU)) ||
 144                         (target_ptr->inventory_list[INVEN_LARM].k_idx && (target_ptr->inventory_list[INVEN_LARM].name1 == ART_ZANTETSU))))
 145                 {
 146                         dam = 0;
 147                         ignore_wraith_form = TRUE;
 148                 }
 149
 150                 break;
 151
 152         case GF_LITE:
 153                 if (target_ptr->resist_lite) dam /= 2; /* Worst case of 4 / (d4 + 7) */
 154                 if (PRACE_IS_(target_ptr, RACE_VAMPIRE) || (target_ptr->mimic_form == MIMIC_VAMPIRE)) dam *= 2;
 155                 else if (PRACE_IS_(target_ptr, RACE_S_FAIRY)) dam = dam * 4 / 3;
 156
 157                 if (target_ptr->wraith_form) dam *= 2;
 158                 break;
 159
 160         case GF_DARK:
 161                 if (PRACE_IS_(target_ptr, RACE_VAMPIRE) || (target_ptr->mimic_form == MIMIC_VAMPIRE) || target_ptr->wraith_form)
 162                 {
 163                         dam = 0;
 164                         ignore_wraith_form = TRUE;
 165                 }
 166                 else if (target_ptr->resist_dark) dam /= 2; /* Worst case of 4 / (d4 + 7) */
 167                 break;
 168
 169         case GF_SHARDS:
 170                 if (target_ptr->resist_shard) dam = dam * 3 / 4; /* Worst case of 6 / (d4 + 7) */
 171                 break;
 172
 173         case GF_SOUND:
 174                 if (target_ptr->resist_sound) dam = dam * 5 / 8; /* Worst case of 5 / (d4 + 7) */
 175                 break;
 176
 177         case GF_CONFUSION:
 178                 if (target_ptr->resist_conf) dam = dam * 5 / 8; /* Worst case of 5 / (d4 + 7) */
 179                 break;
 180
 181         case GF_CHAOS:
 182                 if (target_ptr->resist_chaos) dam = dam * 3 / 4; /* Worst case of 6 / (d4 + 7) */
 183                 break;
 184
 185         case GF_NETHER:
 186                 if (PRACE_IS_(target_ptr, RACE_SPECTRE))
 187                 {
 188                         dam = 0;
 189                         ignore_wraith_form = TRUE;
 190                 }
 191                 else if (target_ptr->resist_neth) dam = dam * 3 / 4; /* Worst case of 6 / (d4 + 7) */
 192                 break;
 193
 194         case GF_DISENCHANT:
 195                 if (target_ptr->resist_disen) dam = dam * 3 / 4; /* Worst case of 6 / (d4 + 7) */
 196                 break;
 197
 198         case GF_NEXUS:
 199                 if (target_ptr->resist_nexus) dam = dam * 3 / 4; /* Worst case of 6 / (d4 + 7) */
 200                 break;
 201
 202         case GF_TIME:
 203                 if (target_ptr->resist_time) dam /= 2; /* Worst case of 4 / (d4 + 7) */
 204                 break;
 205
 206         case GF_GRAVITY:
 207                 if (target_ptr->levitation) dam = (dam * 2) / 3;
 208                 break;
 209
 210         case GF_ROCKET:
 211                 if (target_ptr->resist_shard) dam /= 2;
 212                 break;
 213
 214         case GF_NUKE:
 215                 if (target_ptr->resist_pois) dam = (2 * dam + 2) / 5;
 216                 if (is_oppose_pois(target_ptr)) dam = (2 * dam + 2) / 5;
 217                 break;
 218
 219         case GF_DEATH_RAY:
 220                 if (target_ptr->mimic_form)
 221                 {
 222                         if (mimic_info[target_ptr->mimic_form].MIMIC_FLAGS & MIMIC_IS_NONLIVING)
 223                         {
 224                                 dam = 0;
 225                                 ignore_wraith_form = TRUE;
 226                         }
 227
 228                         break;
 229                 }
 230
 231                 switch (target_ptr->prace)
 232                 {
 233                 case RACE_GOLEM:
 234                 case RACE_SKELETON:
 235                 case RACE_ZOMBIE:
 236                 case RACE_VAMPIRE:
 237                 case RACE_BALROG:
 238                 case RACE_SPECTRE:
 239                         dam = 0;
 240                         ignore_wraith_form = TRUE;
 241                         break;
 242                 }
 243
 244                 break;
 245
 246         case GF_HOLY_FIRE:
 247                 if (target_ptr->align > 10) dam /= 2;
 248                 else if (target_ptr->align < -10) dam *= 2;
 249                 break;
 250
 251         case GF_HELL_FIRE:
 252                 if (target_ptr->align > 10) dam *= 2;
 253                 break;
 254
 255         case GF_MIND_BLAST:
 256         case GF_BRAIN_SMASH:
 257                 if (100 + rlev / 2 <= MAX(5, target_ptr->skill_sav))
 258                 {
 259                         dam = 0;
 260                         ignore_wraith_form = TRUE;
 261                 }
 262
 263                 break;
 264
 265         case GF_CAUSE_1:
 266         case GF_CAUSE_2:
 267         case GF_CAUSE_3:
 268         case GF_HAND_DOOM:
 269                 if (100 + rlev / 2 <= target_ptr->skill_sav)
 270                 {
 271                         dam = 0;
 272                         ignore_wraith_form = TRUE;
 273                 }
 274
 275                 break;
 276
 277         case GF_CAUSE_4:
 278                 if ((100 + rlev / 2 <= target_ptr->skill_sav) && (m_ptr->r_idx != MON_KENSHIROU))
 279                 {
 280                         dam = 0;
 281                         ignore_wraith_form = TRUE;
 282                 }
 283
 284                 break;
 285         }
 286
 287         if (target_ptr->wraith_form && !ignore_wraith_form)
 288         {
 289                 dam /= 2;
 290                 if (!dam) dam = 1;
 291         }
 292
 293         if (dam > *max) *max = dam;
 294 }
 295
 296 /*!
 297 * @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。 /
 298 * Calculate spell damages
 299 * @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
 300 * @param typ 効果属性のID
 301 * @param m_idx 魔法を行使するモンスターのID
 302 * @param max 算出した最大ダメージを返すポインタ
 303 * @return なし
 304 */
 305 void spell_damcalc_by_spellnum(player_type *creature_ptr, monster_spell_type ms_type, EFFECT_ID typ, MONSTER_IDX m_idx, int *max)
 306 {
 307         monster_type *m_ptr = &creature_ptr->current_floor_ptr->m_list[m_idx];
 308         HIT_POINT dam = monspell_damage(creature_ptr, ms_type, m_idx, DAM_MAX);
 309         spell_damcalc(creature_ptr, m_ptr, typ, dam, max);
 310 }
 311
 312 /*!
 313  * @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 /
 314  * Calculate blow damages
 315  * @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
 316  * @param blow_ptr モンスターの打撃能力の構造体参照ポインタ
 317  * @return 算出された最大ダメージを返す。
 318  */
 319 static int blow_damcalc(monster_type *m_ptr, player_type *target_ptr, monster_blow *blow_ptr)
 320 {
 321         int dam = blow_ptr->d_dice * blow_ptr->d_side;
 322         int dummy_max = 0;
 323
 324         if (blow_ptr->method == RBM_EXPLODE)
 325         {
 326                 dam = (dam + 1) / 2;
 327                 spell_damcalc(target_ptr, m_ptr, mbe_info[blow_ptr->effect].explode_type, dam, &dummy_max);
 328                 dam = dummy_max;
 329                 return dam;
 330         }
 331
 332         ARMOUR_CLASS ac = target_ptr->ac + target_ptr->to_a;
 333         bool check_wraith_form = TRUE;
 334         switch (blow_ptr->effect)
 335         {
 336         case RBE_SUPERHURT:
 337         {
 338                 int tmp_dam = dam - (dam * ((ac < 150) ? ac : 150) / 250);
 339                 dam = MAX(dam, tmp_dam * 2);
 340                 break;
 341         }
 342
 343         case RBE_HURT:
 344         case RBE_SHATTER:
 345                 dam -= (dam * ((ac < 150) ? ac : 150) / 250);
 346                 break;
 347
 348         case RBE_ACID:
 349                 spell_damcalc(target_ptr, m_ptr, GF_ACID, dam, &dummy_max);
 350                 dam = dummy_max;
 351                 check_wraith_form = FALSE;
 352                 break;
 353
 354         case RBE_ELEC:
 355                 spell_damcalc(target_ptr, m_ptr, GF_ELEC, dam, &dummy_max);
 356                 dam = dummy_max;
 357                 check_wraith_form = FALSE;
 358                 break;
 359
 360         case RBE_FIRE:
 361                 spell_damcalc(target_ptr, m_ptr, GF_FIRE, dam, &dummy_max);
 362                 dam = dummy_max;
 363                 check_wraith_form = FALSE;
 364                 break;
 365
 366         case RBE_COLD:
 367                 spell_damcalc(target_ptr, m_ptr, GF_COLD, dam, &dummy_max);
 368                 dam = dummy_max;
 369                 check_wraith_form = FALSE;
 370                 break;
 371
 372         case RBE_DR_MANA:
 373                 dam = 0;
 374                 check_wraith_form = FALSE;
 375                 break;
 376         }
 377
 378         if (check_wraith_form && target_ptr->wraith_form)
 379         {
 380                 dam /= 2;
 381                 if (!dam) dam = 1;
 382         }
 383
 384         return dam;
 385 }
 386
 387
 388 /*!
 389  * @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 /
 390  * Examine the grid (xx,yy) and warn the player if there are any danger
 391  * @param xx 危険性を調査するマスのX座標
 392  * @param yy 危険性を調査するマスのY座標
 393  * @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。
 394  */
 395 bool process_warning(player_type *creature_ptr, POSITION xx, POSITION yy)
 396 {
 397         POSITION mx, my;
 398         grid_type *g_ptr;
 399         GAME_TEXT o_name[MAX_NLEN];
 400
 401 #define WARNING_AWARE_RANGE 12
 402         int dam_max = 0;
 403         static int old_damage = 0;
 404
 405         for (mx = xx - WARNING_AWARE_RANGE; mx < xx + WARNING_AWARE_RANGE + 1; mx++)
 406         {
 407                 for (my = yy - WARNING_AWARE_RANGE; my < yy + WARNING_AWARE_RANGE + 1; my++)
 408                 {
 409                         int dam_max0 = 0;
 410                         monster_type *m_ptr;
 411                         monster_race *r_ptr;
 412
 413                         if (!in_bounds(creature_ptr->current_floor_ptr, my, mx) || (distance(my, mx, yy, xx) > WARNING_AWARE_RANGE)) continue;
 414
 415                         g_ptr = &creature_ptr->current_floor_ptr->grid_array[my][mx];
 416
 417                         if (!g_ptr->m_idx) continue;
 418
 419                         m_ptr = &creature_ptr->current_floor_ptr->m_list[g_ptr->m_idx];
 420
 421                         if (MON_CSLEEP(m_ptr)) continue;
 422                         if (!is_hostile(m_ptr)) continue;
 423
 424                         r_ptr = &r_info[m_ptr->r_idx];
 425
 426                         /* Monster spells (only powerful ones)*/
 427                         if (projectable(creature_ptr, my, mx, yy, xx))
 428                         {
 429                                 BIT_FLAGS f4 = r_ptr->flags4;
 430                                 BIT_FLAGS f5 = r_ptr->a_ability_flags1;
 431                                 BIT_FLAGS f6 = r_ptr->a_ability_flags2;
 432
 433                                 if (!(d_info[creature_ptr->dungeon_idx].flags1 & DF1_NO_MAGIC))
 434                                 {
 435                                         if (f4 & RF4_BA_CHAO) spell_damcalc_by_spellnum(creature_ptr, MS_BALL_CHAOS, GF_CHAOS, g_ptr->m_idx, &dam_max0);
 436                                         if (f5 & RF5_BA_MANA) spell_damcalc_by_spellnum(creature_ptr, MS_BALL_MANA, GF_MANA, g_ptr->m_idx, &dam_max0);
 437                                         if (f5 & RF5_BA_DARK) spell_damcalc_by_spellnum(creature_ptr, MS_BALL_DARK, GF_DARK, g_ptr->m_idx, &dam_max0);
 438                                         if (f5 & RF5_BA_LITE) spell_damcalc_by_spellnum(creature_ptr, MS_STARBURST, GF_LITE, g_ptr->m_idx, &dam_max0);
 439                                         if (f6 & RF6_HAND_DOOM) spell_damcalc_by_spellnum(creature_ptr, MS_HAND_DOOM, GF_HAND_DOOM, g_ptr->m_idx, &dam_max0);
 440                                         if (f6 & RF6_PSY_SPEAR) spell_damcalc_by_spellnum(creature_ptr, MS_PSY_SPEAR, GF_PSY_SPEAR, g_ptr->m_idx, &dam_max0);
 441                                 }
 442
 443                                 if (f4 & RF4_ROCKET) spell_damcalc_by_spellnum(creature_ptr, MS_ROCKET, GF_ROCKET, g_ptr->m_idx, &dam_max0);
 444                                 if (f4 & RF4_BR_ACID) spell_damcalc_by_spellnum(creature_ptr, MS_BR_ACID, GF_ACID, g_ptr->m_idx, &dam_max0);
 445                                 if (f4 & RF4_BR_ELEC) spell_damcalc_by_spellnum(creature_ptr, MS_BR_ELEC, GF_ELEC, g_ptr->m_idx, &dam_max0);
 446                                 if (f4 & RF4_BR_FIRE) spell_damcalc_by_spellnum(creature_ptr, MS_BR_FIRE, GF_FIRE, g_ptr->m_idx, &dam_max0);
 447                                 if (f4 & RF4_BR_COLD) spell_damcalc_by_spellnum(creature_ptr, MS_BR_COLD, GF_COLD, g_ptr->m_idx, &dam_max0);
 448                                 if (f4 & RF4_BR_POIS) spell_damcalc_by_spellnum(creature_ptr, MS_BR_POIS, GF_POIS, g_ptr->m_idx, &dam_max0);
 449                                 if (f4 & RF4_BR_NETH) spell_damcalc_by_spellnum(creature_ptr, MS_BR_NETHER, GF_NETHER, g_ptr->m_idx, &dam_max0);
 450                                 if (f4 & RF4_BR_LITE) spell_damcalc_by_spellnum(creature_ptr, MS_BR_LITE, GF_LITE, g_ptr->m_idx, &dam_max0);
 451                                 if (f4 & RF4_BR_DARK) spell_damcalc_by_spellnum(creature_ptr, MS_BR_DARK, GF_DARK, g_ptr->m_idx, &dam_max0);
 452                                 if (f4 & RF4_BR_CONF) spell_damcalc_by_spellnum(creature_ptr, MS_BR_CONF, GF_CONFUSION, g_ptr->m_idx, &dam_max0);
 453                                 if (f4 & RF4_BR_SOUN) spell_damcalc_by_spellnum(creature_ptr, MS_BR_SOUND, GF_SOUND, g_ptr->m_idx, &dam_max0);
 454                                 if (f4 & RF4_BR_CHAO) spell_damcalc_by_spellnum(creature_ptr, MS_BR_CHAOS, GF_CHAOS, g_ptr->m_idx, &dam_max0);
 455                                 if (f4 & RF4_BR_DISE) spell_damcalc_by_spellnum(creature_ptr, MS_BR_DISEN, GF_DISENCHANT, g_ptr->m_idx, &dam_max0);
 456                                 if (f4 & RF4_BR_NEXU) spell_damcalc_by_spellnum(creature_ptr, MS_BR_NEXUS, GF_NEXUS, g_ptr->m_idx, &dam_max0);
 457                                 if (f4 & RF4_BR_TIME) spell_damcalc_by_spellnum(creature_ptr, MS_BR_TIME, GF_TIME, g_ptr->m_idx, &dam_max0);
 458                                 if (f4 & RF4_BR_INER) spell_damcalc_by_spellnum(creature_ptr, MS_BR_INERTIA, GF_INERTIAL, g_ptr->m_idx, &dam_max0);
 459                                 if (f4 & RF4_BR_GRAV) spell_damcalc_by_spellnum(creature_ptr, MS_BR_GRAVITY, GF_GRAVITY, g_ptr->m_idx, &dam_max0);
 460                                 if (f4 & RF4_BR_SHAR) spell_damcalc_by_spellnum(creature_ptr, MS_BR_SHARDS, GF_SHARDS, g_ptr->m_idx, &dam_max0);
 461                                 if (f4 & RF4_BR_PLAS) spell_damcalc_by_spellnum(creature_ptr, MS_BR_PLASMA, GF_PLASMA, g_ptr->m_idx, &dam_max0);
 462                                 if (f4 & RF4_BR_WALL) spell_damcalc_by_spellnum(creature_ptr, MS_BR_FORCE, GF_FORCE, g_ptr->m_idx, &dam_max0);
 463                                 if (f4 & RF4_BR_MANA) spell_damcalc_by_spellnum(creature_ptr, MS_BR_MANA, GF_MANA, g_ptr->m_idx, &dam_max0);
 464                                 if (f4 & RF4_BR_NUKE) spell_damcalc_by_spellnum(creature_ptr, MS_BR_NUKE, GF_NUKE, g_ptr->m_idx, &dam_max0);
 465                                 if (f4 & RF4_BR_DISI) spell_damcalc_by_spellnum(creature_ptr, MS_BR_DISI, GF_DISINTEGRATE, g_ptr->m_idx, &dam_max0);
 466                         }
 467
 468                         /* Monster melee attacks */
 469                         if ((r_ptr->flags1 & RF1_NEVER_BLOW) || (d_info[creature_ptr->dungeon_idx].flags1 & DF1_NO_MELEE))
 470                         {
 471                                 dam_max += dam_max0;
 472                                 continue;
 473                         }
 474
 475                         if (!(mx <= xx + 1 && mx >= xx - 1 && my <= yy + 1 && my >= yy - 1))
 476                         {
 477                                 dam_max += dam_max0;
 478                                 continue;
 479                         }
 480
 481                         int dam_melee = 0;
 482                         for (int m = 0; m < 4; m++)
 483                         {
 484                                 /* Skip non-attacks */
 485                                 if (!r_ptr->blow[m].method || (r_ptr->blow[m].method == RBM_SHOOT)) continue;
 486
 487                                 /* Extract the attack info */
 488                                 dam_melee += blow_damcalc(m_ptr, creature_ptr, &r_ptr->blow[m]);
 489                                 if (r_ptr->blow[m].method == RBM_EXPLODE) break;
 490                         }
 491
 492                         if (dam_melee > dam_max0) dam_max0 = dam_melee;
 493                         dam_max += dam_max0;
 494                 }
 495         }
 496
 497         /* Prevent excessive warning */
 498         if (dam_max > old_damage)
 499         {
 500                 old_damage = dam_max * 3 / 2;
 501
 502                 if (dam_max > creature_ptr->chp / 2)
 503                 {
 504                         object_type *o_ptr = choose_warning_item(creature_ptr);
 505
 506                         if (o_ptr)
 507                                 object_desc(creature_ptr, o_name, o_ptr, (OD_OMIT_PREFIX | OD_NAME_ONLY));
 508                         else
 509                                 strcpy(o_name, _("体", "body")); /* Warning ability without item */
 510                         msg_format(_("%sが鋭く震えた！", "Your %s pulsates sharply!"), o_name);
 511
 512                         disturb(creature_ptr, FALSE, TRUE);
 513                         return get_check(_("本当にこのまま進むか？", "Really want to go ahead? "));
 514                 }
 515         }
 516         else old_damage = old_damage / 2;
 517
 518         g_ptr = &creature_ptr->current_floor_ptr->grid_array[yy][xx];
 519         bool is_warning = (!easy_disarm && is_trap(creature_ptr, g_ptr->feat)) || (g_ptr->mimic && is_trap(creature_ptr, g_ptr->feat));
 520         is_warning &= !one_in_(13);
 521         if (!is_warning) return TRUE;
 522
 523         object_type *o_ptr = choose_warning_item(creature_ptr);
 524         if (o_ptr != NULL)
 525                 object_desc(creature_ptr, o_name, o_ptr, (OD_OMIT_PREFIX | OD_NAME_ONLY));
 526         else
 527                 strcpy(o_name, _("体", "body")); /* Warning ability without item */
 528         msg_format(_("%sが鋭く震えた！", "Your %s pulsates sharply!"), o_name);
 529         disturb(creature_ptr, FALSE, TRUE);
 530         return get_check(_("本当にこのまま進むか？", "Really want to go ahead? "));
 531 }