src/object/warning.c

   1 #include "object/warning.h"
   2 #include "art-definition/art-sword-types.h"
   3 #include "core/asking-player.h"
   4 #include "dungeon/dungeon.h"
   5 #include "floor/floor.h"
   6 #include "game-option/input-options.h"
   7 #include "grid/feature.h"
   8 #include "monster-attack/monster-attack-effect.h"
   9 #include "monster-attack/monster-attack-types.h"
  10 #include "monster-race/race-flags-ability1.h"
  11 #include "monster-race/race-flags-ability2.h"
  12 #include "monster-race/race-flags1.h"
  13 #include "monster-race/race-flags4.h"
  14 #include "monster-race/race-indice-types.h"
  15 #include "monster/monster-info.h"
  16 #include "monster/monster-status.h"
  17 #include "mspell/monster-spell.h"
  18 #include "mspell/mspell-damage-calculator.h"
  19 #include "mspell/mspell-type.h"
  20 #include "object-enchant/tr-types.h"
  21 #include "object/object-flags.h"
  22 #include "object/object-flavor.h"
  23 #include "player/mimic-info-table.h"
  24 #include "player/player-class.h"
  25 #include "player/player-move.h"
  26 #include "player/player-race-types.h"
  27 #include "player/player-status.h"
  28 #include "spell/spell-types.h"
  29 #include "util/bit-flags-calculator.h"
  30 #include "view/display-messages.h"
  31
  32 /*!
  33  * @brief 警告を放つアイテムを選択する /
  34  * Choose one of items that have warning flag
  35  * Calculate spell damages
  36  * @return 警告を行う
  37  */
  38 object_type *choose_warning_item(player_type *creature_ptr)
  39 {
  40         int choices[INVEN_TOTAL - INVEN_RARM];
  41
  42         /* Paranoia -- Player has no warning ability */
  43         if (!creature_ptr->warning) return NULL;
  44
  45         /* Search Inventory */
  46         int number = 0;
  47         for (int i = INVEN_RARM; i < INVEN_TOTAL; i++)
  48         {
  49                 BIT_FLAGS flgs[TR_FLAG_SIZE];
  50                 object_type *o_ptr = &creature_ptr->inventory_list[i];
  51
  52                 object_flags(o_ptr, flgs);
  53                 if (have_flag(flgs, TR_WARNING))
  54                 {
  55                         choices[number] = i;
  56                         number++;
  57                 }
  58         }
  59
  60         /* Choice one of them */
  61         return number ? &creature_ptr->inventory_list[choices[randint0(number)]] : NULL;
  62 }
  63
  64 /*!
  65  * @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 /
  66  * Calculate spell damages
  67  * @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
  68  * @param typ 効果属性のID
  69  * @param dam 基本ダメージ
  70  * @param max 算出した最大ダメージを返すポインタ
  71  * @return なし
  72  */
  73 static void spell_damcalc(player_type *target_ptr, monster_type *m_ptr, EFFECT_ID typ, HIT_POINT dam, int *max)
  74 {
  75         monster_race *r_ptr = &r_info[m_ptr->r_idx];
  76         int rlev = r_ptr->level;
  77         bool ignore_wraith_form = FALSE;
  78
  79         /* Vulnerability, resistance and immunity */
  80         switch (typ)
  81         {
  82         case GF_ELEC:
  83                 if (target_ptr->immune_elec)
  84                 {
  85                         dam = 0;
  86                         ignore_wraith_form = TRUE;
  87                         break;
  88                 }
  89
  90                 if (target_ptr->muta3 & MUT3_VULN_ELEM) dam *= 2;
  91                 if (target_ptr->special_defense & KATA_KOUKIJIN) dam += dam / 3;
  92                 if (is_specific_player_race(target_ptr, RACE_ANDROID)) dam += dam / 3;
  93                 if (target_ptr->resist_elec) dam = (dam + 2) / 3;
  94                 if (is_oppose_elec(target_ptr)) dam = (dam + 2) / 3;
  95                 break;
  96
  97         case GF_POIS:
  98                 if (target_ptr->resist_pois) dam = (dam + 2) / 3;
  99                 if (is_oppose_pois(target_ptr)) dam = (dam + 2) / 3;
 100                 break;
 101
 102         case GF_ACID:
 103                 if (target_ptr->immune_acid)
 104                 {
 105                         dam = 0;
 106                         ignore_wraith_form = TRUE;
 107                         break;
 108                 }
 109
 110                 if (target_ptr->muta3 & MUT3_VULN_ELEM) dam *= 2;
 111                 if (target_ptr->special_defense & KATA_KOUKIJIN) dam += dam / 3;
 112                 if (target_ptr->resist_acid) dam = (dam + 2) / 3;
 113                 if (is_oppose_acid(target_ptr)) dam = (dam + 2) / 3;
 114                 break;
 115
 116         case GF_COLD:
 117         case GF_ICE:
 118                 if (target_ptr->immune_cold)
 119                 {
 120                         dam = 0;
 121                         ignore_wraith_form = TRUE;
 122                         break;
 123                 }
 124
 125                 if (target_ptr->muta3 & MUT3_VULN_ELEM) dam *= 2;
 126                 if (target_ptr->special_defense & KATA_KOUKIJIN) dam += dam / 3;
 127                 if (target_ptr->resist_cold) dam = (dam + 2) / 3;
 128                 if (is_oppose_cold(target_ptr)) dam = (dam + 2) / 3;
 129                 break;
 130
 131         case GF_FIRE:
 132                 if (target_ptr->immune_fire)
 133                 {
 134                         dam = 0;
 135                         ignore_wraith_form = TRUE;
 136                         break;
 137                 }
 138
 139                 if (target_ptr->muta3 & MUT3_VULN_ELEM) dam *= 2;
 140                 if (is_specific_player_race(target_ptr, RACE_ENT)) dam += dam / 3;
 141                 if (target_ptr->special_defense & KATA_KOUKIJIN) dam += dam / 3;
 142                 if (target_ptr->resist_fire) dam = (dam + 2) / 3;
 143                 if (is_oppose_fire(target_ptr)) dam = (dam + 2) / 3;
 144                 break;
 145
 146         case GF_PSY_SPEAR:
 147                 ignore_wraith_form = TRUE;
 148                 break;
 149
 150         case GF_ARROW:
 151                 if (!target_ptr->blind &&
 152                         ((target_ptr->inventory_list[INVEN_RARM].k_idx && (target_ptr->inventory_list[INVEN_RARM].name1 == ART_ZANTETSU)) ||
 153                         (target_ptr->inventory_list[INVEN_LARM].k_idx && (target_ptr->inventory_list[INVEN_LARM].name1 == ART_ZANTETSU))))
 154                 {
 155                         dam = 0;
 156                         ignore_wraith_form = TRUE;
 157                 }
 158
 159                 break;
 160
 161         case GF_LITE:
 162                 if (target_ptr->resist_lite) dam /= 2; /* Worst case of 4 / (d4 + 7) */
 163                 if (is_specific_player_race(target_ptr, RACE_VAMPIRE) || (target_ptr->mimic_form == MIMIC_VAMPIRE)) dam *= 2;
 164                 else if (is_specific_player_race(target_ptr, RACE_S_FAIRY)) dam = dam * 4 / 3;
 165
 166                 if (target_ptr->wraith_form) dam *= 2;
 167                 break;
 168
 169         case GF_DARK:
 170                 if (is_specific_player_race(target_ptr, RACE_VAMPIRE) || (target_ptr->mimic_form == MIMIC_VAMPIRE) || target_ptr->wraith_form)
 171                 {
 172                         dam = 0;
 173                         ignore_wraith_form = TRUE;
 174                 }
 175                 else if (target_ptr->resist_dark) dam /= 2; /* Worst case of 4 / (d4 + 7) */
 176                 break;
 177
 178         case GF_SHARDS:
 179                 if (target_ptr->resist_shard) dam = dam * 3 / 4; /* Worst case of 6 / (d4 + 7) */
 180                 break;
 181
 182         case GF_SOUND:
 183                 if (target_ptr->resist_sound) dam = dam * 5 / 8; /* Worst case of 5 / (d4 + 7) */
 184                 break;
 185
 186         case GF_CONFUSION:
 187                 if (target_ptr->resist_conf) dam = dam * 5 / 8; /* Worst case of 5 / (d4 + 7) */
 188                 break;
 189
 190         case GF_CHAOS:
 191                 if (target_ptr->resist_chaos) dam = dam * 3 / 4; /* Worst case of 6 / (d4 + 7) */
 192                 break;
 193
 194         case GF_NETHER:
 195                 if (is_specific_player_race(target_ptr, RACE_SPECTRE))
 196                 {
 197                         dam = 0;
 198                         ignore_wraith_form = TRUE;
 199                 }
 200                 else if (target_ptr->resist_neth) dam = dam * 3 / 4; /* Worst case of 6 / (d4 + 7) */
 201                 break;
 202
 203         case GF_DISENCHANT:
 204                 if (target_ptr->resist_disen) dam = dam * 3 / 4; /* Worst case of 6 / (d4 + 7) */
 205                 break;
 206
 207         case GF_NEXUS:
 208                 if (target_ptr->resist_nexus) dam = dam * 3 / 4; /* Worst case of 6 / (d4 + 7) */
 209                 break;
 210
 211         case GF_TIME:
 212                 if (target_ptr->resist_time) dam /= 2; /* Worst case of 4 / (d4 + 7) */
 213                 break;
 214
 215         case GF_GRAVITY:
 216                 if (target_ptr->levitation) dam = (dam * 2) / 3;
 217                 break;
 218
 219         case GF_ROCKET:
 220                 if (target_ptr->resist_shard) dam /= 2;
 221                 break;
 222
 223         case GF_NUKE:
 224                 if (target_ptr->resist_pois) dam = (2 * dam + 2) / 5;
 225                 if (is_oppose_pois(target_ptr)) dam = (2 * dam + 2) / 5;
 226                 break;
 227
 228         case GF_DEATH_RAY:
 229                 if (target_ptr->mimic_form)
 230                 {
 231                         if (mimic_info[target_ptr->mimic_form].MIMIC_FLAGS & MIMIC_IS_NONLIVING)
 232                         {
 233                                 dam = 0;
 234                                 ignore_wraith_form = TRUE;
 235                         }
 236
 237                         break;
 238                 }
 239
 240                 switch (target_ptr->prace)
 241                 {
 242                 case RACE_GOLEM:
 243                 case RACE_SKELETON:
 244                 case RACE_ZOMBIE:
 245                 case RACE_VAMPIRE:
 246                 case RACE_BALROG:
 247                 case RACE_SPECTRE:
 248                         dam = 0;
 249                         ignore_wraith_form = TRUE;
 250                         break;
 251                 }
 252
 253                 break;
 254
 255         case GF_HOLY_FIRE:
 256                 if (target_ptr->align > 10) dam /= 2;
 257                 else if (target_ptr->align < -10) dam *= 2;
 258                 break;
 259
 260         case GF_HELL_FIRE:
 261                 if (target_ptr->align > 10) dam *= 2;
 262                 break;
 263
 264         case GF_MIND_BLAST:
 265         case GF_BRAIN_SMASH:
 266                 if (100 + rlev / 2 <= MAX(5, target_ptr->skill_sav))
 267                 {
 268                         dam = 0;
 269                         ignore_wraith_form = TRUE;
 270                 }
 271
 272                 break;
 273
 274         case GF_CAUSE_1:
 275         case GF_CAUSE_2:
 276         case GF_CAUSE_3:
 277         case GF_HAND_DOOM:
 278                 if (100 + rlev / 2 <= target_ptr->skill_sav)
 279                 {
 280                         dam = 0;
 281                         ignore_wraith_form = TRUE;
 282                 }
 283
 284                 break;
 285
 286         case GF_CAUSE_4:
 287                 if ((100 + rlev / 2 <= target_ptr->skill_sav) && (m_ptr->r_idx != MON_KENSHIROU))
 288                 {
 289                         dam = 0;
 290                         ignore_wraith_form = TRUE;
 291                 }
 292
 293                 break;
 294         }
 295
 296         if (target_ptr->wraith_form && !ignore_wraith_form)
 297         {
 298                 dam /= 2;
 299                 if (!dam) dam = 1;
 300         }
 301
 302         if (dam > *max) *max = dam;
 303 }
 304
 305 /*!
 306 * @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。 /
 307 * Calculate spell damages
 308 * @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
 309 * @param typ 効果属性のID
 310 * @param m_idx 魔法を行使するモンスターのID
 311 * @param max 算出した最大ダメージを返すポインタ
 312 * @return なし
 313 */
 314 void spell_damcalc_by_spellnum(player_type *creature_ptr, monster_spell_type ms_type, EFFECT_ID typ, MONSTER_IDX m_idx, int *max)
 315 {
 316         monster_type *m_ptr = &creature_ptr->current_floor_ptr->m_list[m_idx];
 317         HIT_POINT dam = monspell_damage(creature_ptr, ms_type, m_idx, DAM_MAX);
 318         spell_damcalc(creature_ptr, m_ptr, typ, dam, max);
 319 }
 320
 321 /*!
 322  * @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 /
 323  * Calculate blow damages
 324  * @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
 325  * @param blow_ptr モンスターの打撃能力の構造体参照ポインタ
 326  * @return 算出された最大ダメージを返す。
 327  */
 328 static int blow_damcalc(monster_type *m_ptr, player_type *target_ptr, monster_blow *blow_ptr)
 329 {
 330         int dam = blow_ptr->d_dice * blow_ptr->d_side;
 331         int dummy_max = 0;
 332
 333         if (blow_ptr->method == RBM_EXPLODE)
 334         {
 335                 dam = (dam + 1) / 2;
 336                 spell_damcalc(target_ptr, m_ptr, mbe_info[blow_ptr->effect].explode_type, dam, &dummy_max);
 337                 dam = dummy_max;
 338                 return dam;
 339         }
 340
 341         ARMOUR_CLASS ac = target_ptr->ac + target_ptr->to_a;
 342         bool check_wraith_form = TRUE;
 343         switch (blow_ptr->effect)
 344         {
 345         case RBE_SUPERHURT:
 346         {
 347                 int tmp_dam = dam - (dam * ((ac < 150) ? ac : 150) / 250);
 348                 dam = MAX(dam, tmp_dam * 2);
 349                 break;
 350         }
 351
 352         case RBE_HURT:
 353         case RBE_SHATTER:
 354                 dam -= (dam * ((ac < 150) ? ac : 150) / 250);
 355                 break;
 356
 357         case RBE_ACID:
 358                 spell_damcalc(target_ptr, m_ptr, GF_ACID, dam, &dummy_max);
 359                 dam = dummy_max;
 360                 check_wraith_form = FALSE;
 361                 break;
 362
 363         case RBE_ELEC:
 364                 spell_damcalc(target_ptr, m_ptr, GF_ELEC, dam, &dummy_max);
 365                 dam = dummy_max;
 366                 check_wraith_form = FALSE;
 367                 break;
 368
 369         case RBE_FIRE:
 370                 spell_damcalc(target_ptr, m_ptr, GF_FIRE, dam, &dummy_max);
 371                 dam = dummy_max;
 372                 check_wraith_form = FALSE;
 373                 break;
 374
 375         case RBE_COLD:
 376                 spell_damcalc(target_ptr, m_ptr, GF_COLD, dam, &dummy_max);
 377                 dam = dummy_max;
 378                 check_wraith_form = FALSE;
 379                 break;
 380
 381         case RBE_DR_MANA:
 382                 dam = 0;
 383                 check_wraith_form = FALSE;
 384                 break;
 385         }
 386
 387         if (check_wraith_form && target_ptr->wraith_form)
 388         {
 389                 dam /= 2;
 390                 if (!dam) dam = 1;
 391         }
 392
 393         return dam;
 394 }
 395
 396
 397 /*!
 398  * @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 /
 399  * Examine the grid (xx,yy) and warn the player if there are any danger
 400  * @param xx 危険性を調査するマスのX座標
 401  * @param yy 危険性を調査するマスのY座標
 402  * @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。
 403  */
 404 bool process_warning(player_type *creature_ptr, POSITION xx, POSITION yy)
 405 {
 406         POSITION mx, my;
 407         grid_type *g_ptr;
 408         GAME_TEXT o_name[MAX_NLEN];
 409
 410 #define WARNING_AWARE_RANGE 12
 411         int dam_max = 0;
 412         static int old_damage = 0;
 413
 414         for (mx = xx - WARNING_AWARE_RANGE; mx < xx + WARNING_AWARE_RANGE + 1; mx++)
 415         {
 416                 for (my = yy - WARNING_AWARE_RANGE; my < yy + WARNING_AWARE_RANGE + 1; my++)
 417                 {
 418                         int dam_max0 = 0;
 419                         monster_type *m_ptr;
 420                         monster_race *r_ptr;
 421
 422                         if (!in_bounds(creature_ptr->current_floor_ptr, my, mx) || (distance(my, mx, yy, xx) > WARNING_AWARE_RANGE)) continue;
 423
 424                         g_ptr = &creature_ptr->current_floor_ptr->grid_array[my][mx];
 425
 426                         if (!g_ptr->m_idx) continue;
 427
 428                         m_ptr = &creature_ptr->current_floor_ptr->m_list[g_ptr->m_idx];
 429
 430                         if (monster_csleep_remaining(m_ptr)) continue;
 431                         if (!is_hostile(m_ptr)) continue;
 432
 433                         r_ptr = &r_info[m_ptr->r_idx];
 434
 435                         /* Monster spells (only powerful ones)*/
 436                         if (projectable(creature_ptr, my, mx, yy, xx))
 437                         {
 438                                 BIT_FLAGS f4 = r_ptr->flags4;
 439                                 BIT_FLAGS f5 = r_ptr->a_ability_flags1;
 440                                 BIT_FLAGS f6 = r_ptr->a_ability_flags2;
 441
 442                                 if (!(d_info[creature_ptr->dungeon_idx].flags1 & DF1_NO_MAGIC))
 443                                 {
 444                                         if (f4 & RF4_BA_CHAO) spell_damcalc_by_spellnum(creature_ptr, MS_BALL_CHAOS, GF_CHAOS, g_ptr->m_idx, &dam_max0);
 445                                         if (f5 & RF5_BA_MANA) spell_damcalc_by_spellnum(creature_ptr, MS_BALL_MANA, GF_MANA, g_ptr->m_idx, &dam_max0);
 446                                         if (f5 & RF5_BA_DARK) spell_damcalc_by_spellnum(creature_ptr, MS_BALL_DARK, GF_DARK, g_ptr->m_idx, &dam_max0);
 447                                         if (f5 & RF5_BA_LITE) spell_damcalc_by_spellnum(creature_ptr, MS_STARBURST, GF_LITE, g_ptr->m_idx, &dam_max0);
 448                                         if (f6 & RF6_HAND_DOOM) spell_damcalc_by_spellnum(creature_ptr, MS_HAND_DOOM, GF_HAND_DOOM, g_ptr->m_idx, &dam_max0);
 449                                         if (f6 & RF6_PSY_SPEAR) spell_damcalc_by_spellnum(creature_ptr, MS_PSY_SPEAR, GF_PSY_SPEAR, g_ptr->m_idx, &dam_max0);
 450                                 }
 451
 452                                 if (f4 & RF4_ROCKET) spell_damcalc_by_spellnum(creature_ptr, MS_ROCKET, GF_ROCKET, g_ptr->m_idx, &dam_max0);
 453                                 if (f4 & RF4_BR_ACID) spell_damcalc_by_spellnum(creature_ptr, MS_BR_ACID, GF_ACID, g_ptr->m_idx, &dam_max0);
 454                                 if (f4 & RF4_BR_ELEC) spell_damcalc_by_spellnum(creature_ptr, MS_BR_ELEC, GF_ELEC, g_ptr->m_idx, &dam_max0);
 455                                 if (f4 & RF4_BR_FIRE) spell_damcalc_by_spellnum(creature_ptr, MS_BR_FIRE, GF_FIRE, g_ptr->m_idx, &dam_max0);
 456                                 if (f4 & RF4_BR_COLD) spell_damcalc_by_spellnum(creature_ptr, MS_BR_COLD, GF_COLD, g_ptr->m_idx, &dam_max0);
 457                                 if (f4 & RF4_BR_POIS) spell_damcalc_by_spellnum(creature_ptr, MS_BR_POIS, GF_POIS, g_ptr->m_idx, &dam_max0);
 458                                 if (f4 & RF4_BR_NETH) spell_damcalc_by_spellnum(creature_ptr, MS_BR_NETHER, GF_NETHER, g_ptr->m_idx, &dam_max0);
 459                                 if (f4 & RF4_BR_LITE) spell_damcalc_by_spellnum(creature_ptr, MS_BR_LITE, GF_LITE, g_ptr->m_idx, &dam_max0);
 460                                 if (f4 & RF4_BR_DARK) spell_damcalc_by_spellnum(creature_ptr, MS_BR_DARK, GF_DARK, g_ptr->m_idx, &dam_max0);
 461                                 if (f4 & RF4_BR_CONF) spell_damcalc_by_spellnum(creature_ptr, MS_BR_CONF, GF_CONFUSION, g_ptr->m_idx, &dam_max0);
 462                                 if (f4 & RF4_BR_SOUN) spell_damcalc_by_spellnum(creature_ptr, MS_BR_SOUND, GF_SOUND, g_ptr->m_idx, &dam_max0);
 463                                 if (f4 & RF4_BR_CHAO) spell_damcalc_by_spellnum(creature_ptr, MS_BR_CHAOS, GF_CHAOS, g_ptr->m_idx, &dam_max0);
 464                                 if (f4 & RF4_BR_DISE) spell_damcalc_by_spellnum(creature_ptr, MS_BR_DISEN, GF_DISENCHANT, g_ptr->m_idx, &dam_max0);
 465                                 if (f4 & RF4_BR_NEXU) spell_damcalc_by_spellnum(creature_ptr, MS_BR_NEXUS, GF_NEXUS, g_ptr->m_idx, &dam_max0);
 466                                 if (f4 & RF4_BR_TIME) spell_damcalc_by_spellnum(creature_ptr, MS_BR_TIME, GF_TIME, g_ptr->m_idx, &dam_max0);
 467                                 if (f4 & RF4_BR_INER) spell_damcalc_by_spellnum(creature_ptr, MS_BR_INERTIA, GF_INERTIAL, g_ptr->m_idx, &dam_max0);
 468                                 if (f4 & RF4_BR_GRAV) spell_damcalc_by_spellnum(creature_ptr, MS_BR_GRAVITY, GF_GRAVITY, g_ptr->m_idx, &dam_max0);
 469                                 if (f4 & RF4_BR_SHAR) spell_damcalc_by_spellnum(creature_ptr, MS_BR_SHARDS, GF_SHARDS, g_ptr->m_idx, &dam_max0);
 470                                 if (f4 & RF4_BR_PLAS) spell_damcalc_by_spellnum(creature_ptr, MS_BR_PLASMA, GF_PLASMA, g_ptr->m_idx, &dam_max0);
 471                                 if (f4 & RF4_BR_WALL) spell_damcalc_by_spellnum(creature_ptr, MS_BR_FORCE, GF_FORCE, g_ptr->m_idx, &dam_max0);
 472                                 if (f4 & RF4_BR_MANA) spell_damcalc_by_spellnum(creature_ptr, MS_BR_MANA, GF_MANA, g_ptr->m_idx, &dam_max0);
 473                                 if (f4 & RF4_BR_NUKE) spell_damcalc_by_spellnum(creature_ptr, MS_BR_NUKE, GF_NUKE, g_ptr->m_idx, &dam_max0);
 474                                 if (f4 & RF4_BR_DISI) spell_damcalc_by_spellnum(creature_ptr, MS_BR_DISI, GF_DISINTEGRATE, g_ptr->m_idx, &dam_max0);
 475                         }
 476
 477                         /* Monster melee attacks */
 478                         if ((r_ptr->flags1 & RF1_NEVER_BLOW) || (d_info[creature_ptr->dungeon_idx].flags1 & DF1_NO_MELEE))
 479                         {
 480                                 dam_max += dam_max0;
 481                                 continue;
 482                         }
 483
 484                         if (!(mx <= xx + 1 && mx >= xx - 1 && my <= yy + 1 && my >= yy - 1))
 485                         {
 486                                 dam_max += dam_max0;
 487                                 continue;
 488                         }
 489
 490                         int dam_melee = 0;
 491                         for (int m = 0; m < 4; m++)
 492                         {
 493                                 /* Skip non-attacks */
 494                                 if (!r_ptr->blow[m].method || (r_ptr->blow[m].method == RBM_SHOOT)) continue;
 495
 496                                 /* Extract the attack info */
 497                                 dam_melee += blow_damcalc(m_ptr, creature_ptr, &r_ptr->blow[m]);
 498                                 if (r_ptr->blow[m].method == RBM_EXPLODE) break;
 499                         }
 500
 501                         if (dam_melee > dam_max0) dam_max0 = dam_melee;
 502                         dam_max += dam_max0;
 503                 }
 504         }
 505
 506         /* Prevent excessive warning */
 507         if (dam_max > old_damage)
 508         {
 509                 old_damage = dam_max * 3 / 2;
 510
 511                 if (dam_max > creature_ptr->chp / 2)
 512                 {
 513                         object_type *o_ptr = choose_warning_item(creature_ptr);
 514
 515                         if (o_ptr)
 516                                 object_desc(creature_ptr, o_name, o_ptr, (OD_OMIT_PREFIX | OD_NAME_ONLY));
 517                         else
 518                                 strcpy(o_name, _("体", "body")); /* Warning ability without item */
 519                         msg_format(_("%sが鋭く震えた！", "Your %s pulsates sharply!"), o_name);
 520
 521                         disturb(creature_ptr, FALSE, TRUE);
 522                         return get_check(_("本当にこのまま進むか？", "Really want to go ahead? "));
 523                 }
 524         }
 525         else old_damage = old_damage / 2;
 526
 527         g_ptr = &creature_ptr->current_floor_ptr->grid_array[yy][xx];
 528         bool is_warning = (!easy_disarm && is_trap(creature_ptr, g_ptr->feat)) || (g_ptr->mimic && is_trap(creature_ptr, g_ptr->feat));
 529         is_warning &= !one_in_(13);
 530         if (!is_warning) return TRUE;
 531
 532         object_type *o_ptr = choose_warning_item(creature_ptr);
 533         if (o_ptr != NULL)
 534                 object_desc(creature_ptr, o_name, o_ptr, (OD_OMIT_PREFIX | OD_NAME_ONLY));
 535         else
 536                 strcpy(o_name, _("体", "body")); /* Warning ability without item */
 537         msg_format(_("%sが鋭く震えた！", "Your %s pulsates sharply!"), o_name);
 538         disturb(creature_ptr, FALSE, TRUE);
 539         return get_check(_("本当にこのまま進むか？", "Really want to go ahead? "));
 540 }