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