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 "grid/grid.h"
   9 #include "monster-attack/monster-attack-effect.h"
  10 #include "monster-attack/monster-attack-types.h"
  11 #include "monster-race/monster-race.h"
  12 #include "monster-race/race-flags-ability1.h"
  13 #include "monster-race/race-flags-ability2.h"
  14 #include "monster-race/race-flags1.h"
  15 #include "monster-race/race-flags4.h"
  16 #include "monster-race/race-indice-types.h"
  17 #include "monster/monster-info.h"
  18 #include "monster/monster-status.h"
  19 #include "mspell/mspell-damage-calculator.h"
  20 #include "mspell/mspell-type.h"
  21 #include "object-enchant/tr-types.h"
  22 #include "object/object-flags.h"
  23 #include "object/object-flavor.h"
  24 #include "player/mimic-info-table.h"
  25 #include "player/player-class.h"
  26 #include "player/player-move.h"
  27 #include "player/player-race-types.h"
  28 #include "player/player-status.h"
  29 #include "player/special-defense-types.h"
  30 #include "spell/spell-types.h"
  31 #include "util/bit-flags-calculator.h"
  32 #include "view/display-messages.h"
  33
  34 /*!
  35  * @brief 警告を放つアイテムを選択する /
  36  * Choose one of items that have warning flag
  37  * Calculate spell damages
  38  * @return 警告を行う
  39  */
  40 object_type *choose_warning_item(player_type *creature_ptr)
  41 {
  42         int choices[INVEN_TOTAL - INVEN_RARM];
  43
  44         /* Paranoia -- Player has no warning ability */
  45         if (!creature_ptr->warning) return NULL;
  46
  47         /* Search Inventory */
  48         int number = 0;
  49         for (int i = INVEN_RARM; i < INVEN_TOTAL; i++)
  50         {
  51                 BIT_FLAGS flgs[TR_FLAG_SIZE];
  52                 object_type *o_ptr = &creature_ptr->inventory_list[i];
  53
  54                 object_flags(creature_ptr, o_ptr, flgs);
  55                 if (have_flag(flgs, TR_WARNING))
  56                 {
  57                         choices[number] = i;
  58                         number++;
  59                 }
  60         }
  61
  62         /* Choice one of them */
  63         return number ? &creature_ptr->inventory_list[choices[randint0(number)]] : NULL;
  64 }
  65
  66 /*!
  67  * @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 /
  68  * Calculate spell damages
  69  * @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
  70  * @param typ 効果属性のID
  71  * @param dam 基本ダメージ
  72  * @param max 算出した最大ダメージを返すポインタ
  73  * @return なし
  74  */
  75 static void spell_damcalc(player_type *target_ptr, monster_type *m_ptr, EFFECT_ID typ, HIT_POINT dam, int *max)
  76 {
  77         monster_race *r_ptr = &r_info[m_ptr->r_idx];
  78         int rlev = r_ptr->level;
  79         bool ignore_wraith_form = FALSE;
  80
  81         /* Vulnerability, resistance and immunity */
  82         switch (typ)
  83         {
  84         case GF_ELEC:
  85                 if (target_ptr->immune_elec)
  86                 {
  87                         dam = 0;
  88                         ignore_wraith_form = TRUE;
  89                         break;
  90                 }
  91
  92                 if (target_ptr->muta3 & MUT3_VULN_ELEM) dam *= 2;
  93                 if (target_ptr->special_defense & KATA_KOUKIJIN) dam += dam / 3;
  94                 if (is_specific_player_race(target_ptr, RACE_ANDROID)) dam += dam / 3;
  95                 if (target_ptr->resist_elec) dam = (dam + 2) / 3;
  96                 if (is_oppose_elec(target_ptr)) dam = (dam + 2) / 3;
  97                 break;
  98
  99         case GF_POIS:
 100                 if (target_ptr->resist_pois) dam = (dam + 2) / 3;
 101                 if (is_oppose_pois(target_ptr)) dam = (dam + 2) / 3;
 102                 break;
 103
 104         case GF_ACID:
 105                 if (target_ptr->immune_acid)
 106                 {
 107                         dam = 0;
 108                         ignore_wraith_form = TRUE;
 109                         break;
 110                 }
 111
 112                 if (target_ptr->muta3 & MUT3_VULN_ELEM) dam *= 2;
 113                 if (target_ptr->special_defense & KATA_KOUKIJIN) dam += dam / 3;
 114                 if (target_ptr->resist_acid) dam = (dam + 2) / 3;
 115                 if (is_oppose_acid(target_ptr)) dam = (dam + 2) / 3;
 116                 break;
 117
 118         case GF_COLD:
 119         case GF_ICE:
 120                 if (target_ptr->immune_cold)
 121                 {
 122                         dam = 0;
 123                         ignore_wraith_form = TRUE;
 124                         break;
 125                 }
 126
 127                 if (target_ptr->muta3 & MUT3_VULN_ELEM) dam *= 2;
 128                 if (target_ptr->special_defense & KATA_KOUKIJIN) dam += dam / 3;
 129                 if (target_ptr->resist_cold) dam = (dam + 2) / 3;
 130                 if (is_oppose_cold(target_ptr)) dam = (dam + 2) / 3;
 131                 break;
 132
 133         case GF_FIRE:
 134                 if (target_ptr->immune_fire)
 135                 {
 136                         dam = 0;
 137                         ignore_wraith_form = TRUE;
 138                         break;
 139                 }
 140
 141                 if (target_ptr->muta3 & MUT3_VULN_ELEM) dam *= 2;
 142                 if (is_specific_player_race(target_ptr, RACE_ENT)) dam += dam / 3;
 143                 if (target_ptr->special_defense & KATA_KOUKIJIN) dam += dam / 3;
 144                 if (target_ptr->resist_fire) dam = (dam + 2) / 3;
 145                 if (is_oppose_fire(target_ptr)) dam = (dam + 2) / 3;
 146                 break;
 147
 148         case GF_PSY_SPEAR:
 149                 ignore_wraith_form = TRUE;
 150                 break;
 151
 152         case GF_ARROW:
 153                 if (!target_ptr->blind &&
 154                         ((target_ptr->inventory_list[INVEN_RARM].k_idx && (target_ptr->inventory_list[INVEN_RARM].name1 == ART_ZANTETSU)) ||
 155                         (target_ptr->inventory_list[INVEN_LARM].k_idx && (target_ptr->inventory_list[INVEN_LARM].name1 == ART_ZANTETSU))))
 156                 {
 157                         dam = 0;
 158                         ignore_wraith_form = TRUE;
 159                 }
 160
 161                 break;
 162
 163         case GF_LITE:
 164                 if (target_ptr->resist_lite) dam /= 2; /* Worst case of 4 / (d4 + 7) */
 165                 if (is_specific_player_race(target_ptr, RACE_VAMPIRE) || (target_ptr->mimic_form == MIMIC_VAMPIRE)) dam *= 2;
 166                 else if (is_specific_player_race(target_ptr, RACE_S_FAIRY)) dam = dam * 4 / 3;
 167
 168                 if (target_ptr->wraith_form) dam *= 2;
 169                 break;
 170
 171         case GF_DARK:
 172                 if (is_specific_player_race(target_ptr, RACE_VAMPIRE) || (target_ptr->mimic_form == MIMIC_VAMPIRE) || target_ptr->wraith_form)
 173                 {
 174                         dam = 0;
 175                         ignore_wraith_form = TRUE;
 176                 }
 177                 else if (target_ptr->resist_dark) dam /= 2; /* Worst case of 4 / (d4 + 7) */
 178                 break;
 179
 180         case GF_SHARDS:
 181                 if (target_ptr->resist_shard) dam = dam * 3 / 4; /* Worst case of 6 / (d4 + 7) */
 182                 break;
 183
 184         case GF_SOUND:
 185                 if (target_ptr->resist_sound) dam = dam * 5 / 8; /* Worst case of 5 / (d4 + 7) */
 186                 break;
 187
 188         case GF_CONFUSION:
 189                 if (target_ptr->resist_conf) dam = dam * 5 / 8; /* Worst case of 5 / (d4 + 7) */
 190                 break;
 191
 192         case GF_CHAOS:
 193                 if (target_ptr->resist_chaos) dam = dam * 3 / 4; /* Worst case of 6 / (d4 + 7) */
 194                 break;
 195
 196         case GF_NETHER:
 197                 if (is_specific_player_race(target_ptr, RACE_SPECTRE))
 198                 {
 199                         dam = 0;
 200                         ignore_wraith_form = TRUE;
 201                 }
 202                 else if (target_ptr->resist_neth) dam = dam * 3 / 4; /* Worst case of 6 / (d4 + 7) */
 203                 break;
 204
 205         case GF_DISENCHANT:
 206                 if (target_ptr->resist_disen) dam = dam * 3 / 4; /* Worst case of 6 / (d4 + 7) */
 207                 break;
 208
 209         case GF_NEXUS:
 210                 if (target_ptr->resist_nexus) dam = dam * 3 / 4; /* Worst case of 6 / (d4 + 7) */
 211                 break;
 212
 213         case GF_TIME:
 214                 if (target_ptr->resist_time) dam /= 2; /* Worst case of 4 / (d4 + 7) */
 215                 break;
 216
 217         case GF_GRAVITY:
 218                 if (target_ptr->levitation) dam = (dam * 2) / 3;
 219                 break;
 220
 221         case GF_ROCKET:
 222                 if (target_ptr->resist_shard) dam /= 2;
 223                 break;
 224
 225         case GF_NUKE:
 226                 if (target_ptr->resist_pois) dam = (2 * dam + 2) / 5;
 227                 if (is_oppose_pois(target_ptr)) dam = (2 * dam + 2) / 5;
 228                 break;
 229
 230         case GF_DEATH_RAY:
 231                 if (target_ptr->mimic_form)
 232                 {
 233                         if (mimic_info[target_ptr->mimic_form].MIMIC_FLAGS & MIMIC_IS_NONLIVING)
 234                         {
 235                                 dam = 0;
 236                                 ignore_wraith_form = TRUE;
 237                         }
 238
 239                         break;
 240                 }
 241
 242                 switch (target_ptr->prace)
 243                 {
 244                 case RACE_GOLEM:
 245                 case RACE_SKELETON:
 246                 case RACE_ZOMBIE:
 247                 case RACE_VAMPIRE:
 248                 case RACE_BALROG:
 249                 case RACE_SPECTRE:
 250                         dam = 0;
 251                         ignore_wraith_form = TRUE;
 252                         break;
 253                 }
 254
 255                 break;
 256
 257         case GF_HOLY_FIRE:
 258                 if (target_ptr->align > 10) dam /= 2;
 259                 else if (target_ptr->align < -10) dam *= 2;
 260                 break;
 261
 262         case GF_HELL_FIRE:
 263                 if (target_ptr->align > 10) dam *= 2;
 264                 break;
 265
 266         case GF_MIND_BLAST:
 267         case GF_BRAIN_SMASH:
 268                 if (100 + rlev / 2 <= MAX(5, target_ptr->skill_sav))
 269                 {
 270                         dam = 0;
 271                         ignore_wraith_form = TRUE;
 272                 }
 273
 274                 break;
 275
 276         case GF_CAUSE_1:
 277         case GF_CAUSE_2:
 278         case GF_CAUSE_3:
 279         case GF_HAND_DOOM:
 280                 if (100 + rlev / 2 <= target_ptr->skill_sav)
 281                 {
 282                         dam = 0;
 283                         ignore_wraith_form = TRUE;
 284                 }
 285
 286                 break;
 287
 288         case GF_CAUSE_4:
 289                 if ((100 + rlev / 2 <= target_ptr->skill_sav) && (m_ptr->r_idx != MON_KENSHIROU))
 290                 {
 291                         dam = 0;
 292                         ignore_wraith_form = TRUE;
 293                 }
 294
 295                 break;
 296         }
 297
 298         if (target_ptr->wraith_form && !ignore_wraith_form)
 299         {
 300                 dam /= 2;
 301                 if (!dam) dam = 1;
 302         }
 303
 304         if (dam > *max) *max = dam;
 305 }
 306
 307 /*!
 308 * @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。 /
 309 * Calculate spell damages
 310 * @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
 311 * @param typ 効果属性のID
 312 * @param m_idx 魔法を行使するモンスターのID
 313 * @param max 算出した最大ダメージを返すポインタ
 314 * @return なし
 315 */
 316 void spell_damcalc_by_spellnum(player_type *creature_ptr, monster_spell_type ms_type, EFFECT_ID typ, MONSTER_IDX m_idx, int *max)
 317 {
 318         monster_type *m_ptr = &creature_ptr->current_floor_ptr->m_list[m_idx];
 319         HIT_POINT dam = monspell_damage(creature_ptr, ms_type, m_idx, DAM_MAX);
 320         spell_damcalc(creature_ptr, m_ptr, typ, dam, max);
 321 }
 322
 323 /*!
 324  * @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 /
 325  * Calculate blow damages
 326  * @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
 327  * @param blow_ptr モンスターの打撃能力の構造体参照ポインタ
 328  * @return 算出された最大ダメージを返す。
 329  */
 330 static int blow_damcalc(monster_type *m_ptr, player_type *target_ptr, monster_blow *blow_ptr)
 331 {
 332         int dam = blow_ptr->d_dice * blow_ptr->d_side;
 333         int dummy_max = 0;
 334
 335         if (blow_ptr->method == RBM_EXPLODE)
 336         {
 337                 dam = (dam + 1) / 2;
 338                 spell_damcalc(target_ptr, m_ptr, mbe_info[blow_ptr->effect].explode_type, dam, &dummy_max);
 339                 dam = dummy_max;
 340                 return dam;
 341         }
 342
 343         ARMOUR_CLASS ac = target_ptr->ac + target_ptr->to_a;
 344         bool check_wraith_form = TRUE;
 345         switch (blow_ptr->effect)
 346         {
 347         case RBE_SUPERHURT:
 348         {
 349                 int tmp_dam = dam - (dam * ((ac < 150) ? ac : 150) / 250);
 350                 dam = MAX(dam, tmp_dam * 2);
 351                 break;
 352         }
 353
 354         case RBE_HURT:
 355         case RBE_SHATTER:
 356                 dam -= (dam * ((ac < 150) ? ac : 150) / 250);
 357                 break;
 358
 359         case RBE_ACID:
 360                 spell_damcalc(target_ptr, m_ptr, GF_ACID, dam, &dummy_max);
 361                 dam = dummy_max;
 362                 check_wraith_form = FALSE;
 363                 break;
 364
 365         case RBE_ELEC:
 366                 spell_damcalc(target_ptr, m_ptr, GF_ELEC, dam, &dummy_max);
 367                 dam = dummy_max;
 368                 check_wraith_form = FALSE;
 369                 break;
 370
 371         case RBE_FIRE:
 372                 spell_damcalc(target_ptr, m_ptr, GF_FIRE, dam, &dummy_max);
 373                 dam = dummy_max;
 374                 check_wraith_form = FALSE;
 375                 break;
 376
 377         case RBE_COLD:
 378                 spell_damcalc(target_ptr, m_ptr, GF_COLD, dam, &dummy_max);
 379                 dam = dummy_max;
 380                 check_wraith_form = FALSE;
 381                 break;
 382
 383         case RBE_DR_MANA:
 384                 dam = 0;
 385                 check_wraith_form = FALSE;
 386                 break;
 387         }
 388
 389         if (check_wraith_form && target_ptr->wraith_form)
 390         {
 391                 dam /= 2;
 392                 if (!dam) dam = 1;
 393         }
 394
 395         return dam;
 396 }
 397
 398
 399 /*!
 400  * @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 /
 401  * Examine the grid (xx,yy) and warn the player if there are any danger
 402  * @param xx 危険性を調査するマスのX座標
 403  * @param yy 危険性を調査するマスのY座標
 404  * @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。
 405  */
 406 bool process_warning(player_type *creature_ptr, POSITION xx, POSITION yy)
 407 {
 408         POSITION mx, my;
 409         grid_type *g_ptr;
 410         GAME_TEXT o_name[MAX_NLEN];
 411
 412 #define WARNING_AWARE_RANGE 12
 413         int dam_max = 0;
 414         static int old_damage = 0;
 415
 416         for (mx = xx - WARNING_AWARE_RANGE; mx < xx + WARNING_AWARE_RANGE + 1; mx++)
 417         {
 418                 for (my = yy - WARNING_AWARE_RANGE; my < yy + WARNING_AWARE_RANGE + 1; my++)
 419                 {
 420                         int dam_max0 = 0;
 421                         monster_type *m_ptr;
 422                         monster_race *r_ptr;
 423
 424                         if (!in_bounds(creature_ptr->current_floor_ptr, my, mx) || (distance(my, mx, yy, xx) > WARNING_AWARE_RANGE)) continue;
 425
 426                         g_ptr = &creature_ptr->current_floor_ptr->grid_array[my][mx];
 427
 428                         if (!g_ptr->m_idx) continue;
 429
 430                         m_ptr = &creature_ptr->current_floor_ptr->m_list[g_ptr->m_idx];
 431
 432                         if (monster_csleep_remaining(m_ptr)) continue;
 433                         if (!is_hostile(m_ptr)) continue;
 434
 435                         r_ptr = &r_info[m_ptr->r_idx];
 436
 437                         /* Monster spells (only powerful ones)*/
 438                         if (projectable(creature_ptr, my, mx, yy, xx))
 439                         {
 440                                 BIT_FLAGS f4 = r_ptr->flags4;
 441                                 BIT_FLAGS f5 = r_ptr->a_ability_flags1;
 442                                 BIT_FLAGS f6 = r_ptr->a_ability_flags2;
 443
 444                                 if (!(d_info[creature_ptr->dungeon_idx].flags1 & DF1_NO_MAGIC))
 445                                 {
 446                                         if (f4 & RF4_BA_CHAO) spell_damcalc_by_spellnum(creature_ptr, MS_BALL_CHAOS, GF_CHAOS, g_ptr->m_idx, &dam_max0);
 447                                         if (f5 & RF5_BA_MANA) spell_damcalc_by_spellnum(creature_ptr, MS_BALL_MANA, GF_MANA, g_ptr->m_idx, &dam_max0);
 448                                         if (f5 & RF5_BA_DARK) spell_damcalc_by_spellnum(creature_ptr, MS_BALL_DARK, GF_DARK, g_ptr->m_idx, &dam_max0);
 449                                         if (f5 & RF5_BA_LITE) spell_damcalc_by_spellnum(creature_ptr, MS_STARBURST, GF_LITE, g_ptr->m_idx, &dam_max0);
 450                                         if (f6 & RF6_HAND_DOOM) spell_damcalc_by_spellnum(creature_ptr, MS_HAND_DOOM, GF_HAND_DOOM, g_ptr->m_idx, &dam_max0);
 451                                         if (f6 & RF6_PSY_SPEAR) spell_damcalc_by_spellnum(creature_ptr, MS_PSY_SPEAR, GF_PSY_SPEAR, g_ptr->m_idx, &dam_max0);
 452                                 }
 453
 454                                 if (f4 & RF4_ROCKET) spell_damcalc_by_spellnum(creature_ptr, MS_ROCKET, GF_ROCKET, g_ptr->m_idx, &dam_max0);
 455                                 if (f4 & RF4_BR_ACID) spell_damcalc_by_spellnum(creature_ptr, MS_BR_ACID, GF_ACID, g_ptr->m_idx, &dam_max0);
 456                                 if (f4 & RF4_BR_ELEC) spell_damcalc_by_spellnum(creature_ptr, MS_BR_ELEC, GF_ELEC, g_ptr->m_idx, &dam_max0);
 457                                 if (f4 & RF4_BR_FIRE) spell_damcalc_by_spellnum(creature_ptr, MS_BR_FIRE, GF_FIRE, g_ptr->m_idx, &dam_max0);
 458                                 if (f4 & RF4_BR_COLD) spell_damcalc_by_spellnum(creature_ptr, MS_BR_COLD, GF_COLD, g_ptr->m_idx, &dam_max0);
 459                                 if (f4 & RF4_BR_POIS) spell_damcalc_by_spellnum(creature_ptr, MS_BR_POIS, GF_POIS, g_ptr->m_idx, &dam_max0);
 460                                 if (f4 & RF4_BR_NETH) spell_damcalc_by_spellnum(creature_ptr, MS_BR_NETHER, GF_NETHER, g_ptr->m_idx, &dam_max0);
 461                                 if (f4 & RF4_BR_LITE) spell_damcalc_by_spellnum(creature_ptr, MS_BR_LITE, GF_LITE, g_ptr->m_idx, &dam_max0);
 462                                 if (f4 & RF4_BR_DARK) spell_damcalc_by_spellnum(creature_ptr, MS_BR_DARK, GF_DARK, g_ptr->m_idx, &dam_max0);
 463                                 if (f4 & RF4_BR_CONF) spell_damcalc_by_spellnum(creature_ptr, MS_BR_CONF, GF_CONFUSION, g_ptr->m_idx, &dam_max0);
 464                                 if (f4 & RF4_BR_SOUN) spell_damcalc_by_spellnum(creature_ptr, MS_BR_SOUND, GF_SOUND, g_ptr->m_idx, &dam_max0);
 465                                 if (f4 & RF4_BR_CHAO) spell_damcalc_by_spellnum(creature_ptr, MS_BR_CHAOS, GF_CHAOS, g_ptr->m_idx, &dam_max0);
 466                                 if (f4 & RF4_BR_DISE) spell_damcalc_by_spellnum(creature_ptr, MS_BR_DISEN, GF_DISENCHANT, g_ptr->m_idx, &dam_max0);
 467                                 if (f4 & RF4_BR_NEXU) spell_damcalc_by_spellnum(creature_ptr, MS_BR_NEXUS, GF_NEXUS, g_ptr->m_idx, &dam_max0);
 468                                 if (f4 & RF4_BR_TIME) spell_damcalc_by_spellnum(creature_ptr, MS_BR_TIME, GF_TIME, g_ptr->m_idx, &dam_max0);
 469                                 if (f4 & RF4_BR_INER) spell_damcalc_by_spellnum(creature_ptr, MS_BR_INERTIA, GF_INERTIAL, g_ptr->m_idx, &dam_max0);
 470                                 if (f4 & RF4_BR_GRAV) spell_damcalc_by_spellnum(creature_ptr, MS_BR_GRAVITY, GF_GRAVITY, g_ptr->m_idx, &dam_max0);
 471                                 if (f4 & RF4_BR_SHAR) spell_damcalc_by_spellnum(creature_ptr, MS_BR_SHARDS, GF_SHARDS, g_ptr->m_idx, &dam_max0);
 472                                 if (f4 & RF4_BR_PLAS) spell_damcalc_by_spellnum(creature_ptr, MS_BR_PLASMA, GF_PLASMA, g_ptr->m_idx, &dam_max0);
 473                                 if (f4 & RF4_BR_WALL) spell_damcalc_by_spellnum(creature_ptr, MS_BR_FORCE, GF_FORCE, g_ptr->m_idx, &dam_max0);
 474                                 if (f4 & RF4_BR_MANA) spell_damcalc_by_spellnum(creature_ptr, MS_BR_MANA, GF_MANA, g_ptr->m_idx, &dam_max0);
 475                                 if (f4 & RF4_BR_NUKE) spell_damcalc_by_spellnum(creature_ptr, MS_BR_NUKE, GF_NUKE, g_ptr->m_idx, &dam_max0);
 476                                 if (f4 & RF4_BR_DISI) spell_damcalc_by_spellnum(creature_ptr, MS_BR_DISI, GF_DISINTEGRATE, g_ptr->m_idx, &dam_max0);
 477                         }
 478
 479                         /* Monster melee attacks */
 480                         if ((r_ptr->flags1 & RF1_NEVER_BLOW) || (d_info[creature_ptr->dungeon_idx].flags1 & DF1_NO_MELEE))
 481                         {
 482                                 dam_max += dam_max0;
 483                                 continue;
 484                         }
 485
 486                         if (!(mx <= xx + 1 && mx >= xx - 1 && my <= yy + 1 && my >= yy - 1))
 487                         {
 488                                 dam_max += dam_max0;
 489                                 continue;
 490                         }
 491
 492                         int dam_melee = 0;
 493                         for (int m = 0; m < 4; m++)
 494                         {
 495                                 /* Skip non-attacks */
 496                                 if (!r_ptr->blow[m].method || (r_ptr->blow[m].method == RBM_SHOOT)) continue;
 497
 498                                 /* Extract the attack info */
 499                                 dam_melee += blow_damcalc(m_ptr, creature_ptr, &r_ptr->blow[m]);
 500                                 if (r_ptr->blow[m].method == RBM_EXPLODE) break;
 501                         }
 502
 503                         if (dam_melee > dam_max0) dam_max0 = dam_melee;
 504                         dam_max += dam_max0;
 505                 }
 506         }
 507
 508         /* Prevent excessive warning */
 509         if (dam_max > old_damage)
 510         {
 511                 old_damage = dam_max * 3 / 2;
 512
 513                 if (dam_max > creature_ptr->chp / 2)
 514                 {
 515                         object_type *o_ptr = choose_warning_item(creature_ptr);
 516
 517                         if (o_ptr)
 518                                 object_desc(creature_ptr, o_name, o_ptr, (OD_OMIT_PREFIX | OD_NAME_ONLY));
 519                         else
 520                                 strcpy(o_name, _("体", "body")); /* Warning ability without item */
 521                         msg_format(_("%sが鋭く震えた！", "Your %s pulsates sharply!"), o_name);
 522
 523                         disturb(creature_ptr, FALSE, TRUE);
 524                         return get_check(_("本当にこのまま進むか？", "Really want to go ahead? "));
 525                 }
 526         }
 527         else old_damage = old_damage / 2;
 528
 529         g_ptr = &creature_ptr->current_floor_ptr->grid_array[yy][xx];
 530         bool is_warning = (!easy_disarm && is_trap(creature_ptr, g_ptr->feat)) || (g_ptr->mimic && is_trap(creature_ptr, g_ptr->feat));
 531         is_warning &= !one_in_(13);
 532         if (!is_warning) return TRUE;
 533
 534         object_type *o_ptr = choose_warning_item(creature_ptr);
 535         if (o_ptr != NULL)
 536                 object_desc(creature_ptr, o_name, o_ptr, (OD_OMIT_PREFIX | OD_NAME_ONLY));
 537         else
 538                 strcpy(o_name, _("体", "body")); /* Warning ability without item */
 539         msg_format(_("%sが鋭く震えた！", "Your %s pulsates sharply!"), o_name);
 540         disturb(creature_ptr, FALSE, TRUE);
 541         return get_check(_("本当にこのまま進むか？", "Really want to go ahead? "));
 542 }