src/object/warning.cpp

   1 #include "object/warning.h"
   2 #include "artifact/fixed-art-types.h"
   3 #include "core/asking-player.h"
   4 #include "core/disturbance.h"
   5 #include "dungeon/dungeon-flag-types.h"
   6 #include "flavor/flavor-describer.h"
   7 #include "flavor/object-flavor-types.h"
   8 #include "floor/cave.h"
   9 #include "floor/geometry.h"
  10 #include "game-option/input-options.h"
  11 #include "grid/feature.h"
  12 #include "inventory/inventory-slot-types.h"
  13 #include "monster-attack/monster-attack-effect.h"
  14 #include "monster-attack/monster-attack-table.h"
  15 #include "monster-race/monster-race.h"
  16 #include "monster-race/race-ability-flags.h"
  17 #include "monster-race/race-flags1.h"
  18 #include "monster-race/race-indice-types.h"
  19 #include "monster/monster-info.h"
  20 #include "monster/monster-status.h"
  21 #include "mspell/mspell-damage-calculator.h"
  22 #include "mutation/mutation-flag-types.h"
  23 #include "object-enchant/tr-types.h"
  24 #include "object/object-flags.h"
  25 #include "player-base/player-race.h"
  26 #include "player/player-status-flags.h"
  27 #include "player/player-status-resist.h"
  28 #include "player/special-defense-types.h"
  29 #include "status/element-resistance.h"
  30 #include "system/dungeon-info.h"
  31 #include "system/floor-type-definition.h"
  32 #include "system/grid-type-definition.h"
  33 #include "system/item-entity.h"
  34 #include "system/monster-entity.h"
  35 #include "system/monster-race-info.h"
  36 #include "system/player-type-definition.h"
  37 #include "target/projection-path-calculator.h"
  38 #include "timed-effect/player-blindness.h"
  39 #include "timed-effect/timed-effects.h"
  40 #include "util/bit-flags-calculator.h"
  41 #include "view/display-messages.h"
  42 #include <vector>
  43
  44 /*!
  45  * @brief 警告を放つアイテムを選択する /
  46  * Choose one of items that have warning flag
  47  * Calculate spell damages
  48  * @return 警告を行う
  49  */
  50 ItemEntity *choose_warning_item(PlayerType *player_ptr)
  51 {
  52     /* Paranoia -- Player has no warning ability */
  53     if (!player_ptr->warning) {
  54         return nullptr;
  55     }
  56
  57     /* Search Inventory */
  58     std::vector<int> candidates;
  59     for (int i = INVEN_MAIN_HAND; i < INVEN_TOTAL; i++) {
  60         auto *o_ptr = &player_ptr->inventory_list[i];
  61
  62         auto flags = object_flags(o_ptr);
  63         if (flags.has(TR_WARNING)) {
  64             candidates.push_back(i);
  65         }
  66     }
  67
  68     /* Choice one of them */
  69     return candidates.empty() ? nullptr : &player_ptr->inventory_list[rand_choice(candidates)];
  70 }
  71
  72 /*!
  73  * @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 /
  74  * Calculate spell damages
  75  * @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
  76  * @param typ 効果属性のID
  77  * @param dam 基本ダメージ
  78  * @param max 算出した最大ダメージを返すポインタ
  79  */
  80 static void spell_damcalc(PlayerType *player_ptr, MonsterEntity *m_ptr, AttributeType typ, int dam, int *max)
  81 {
  82     auto *r_ptr = &monraces_info[m_ptr->r_idx];
  83     int rlev = r_ptr->level;
  84     bool ignore_wraith_form = false;
  85
  86     /* Vulnerability, resistance and immunity */
  87     switch (typ) {
  88     case AttributeType::ELEC:
  89         if (has_immune_elec(player_ptr)) {
  90             ignore_wraith_form = true;
  91         }
  92         dam = dam * calc_elec_damage_rate(player_ptr) / 100;
  93         break;
  94
  95     case AttributeType::POIS:
  96         dam = dam * calc_pois_damage_rate(player_ptr) / 100;
  97         break;
  98
  99     case AttributeType::ACID:
 100         if (has_immune_acid(player_ptr)) {
 101             ignore_wraith_form = true;
 102         }
 103         dam = dam * calc_acid_damage_rate(player_ptr) / 100;
 104         break;
 105
 106     case AttributeType::COLD:
 107     case AttributeType::ICE:
 108         if (has_immune_cold(player_ptr)) {
 109             ignore_wraith_form = true;
 110         }
 111         dam = dam * calc_cold_damage_rate(player_ptr) / 100;
 112         break;
 113
 114     case AttributeType::FIRE:
 115         if (has_immune_fire(player_ptr)) {
 116             ignore_wraith_form = true;
 117         }
 118         dam = dam * calc_fire_damage_rate(player_ptr) / 100;
 119         break;
 120
 121     case AttributeType::PSY_SPEAR:
 122         ignore_wraith_form = true;
 123         break;
 124
 125     case AttributeType::MONSTER_SHOOT:
 126         if (!player_ptr->effects()->blindness()->is_blind() && (has_invuln_arrow(player_ptr))) {
 127             dam = 0;
 128             ignore_wraith_form = true;
 129         }
 130         break;
 131
 132     case AttributeType::LITE:
 133         dam = dam * calc_lite_damage_rate(player_ptr, CALC_MAX) / 100;
 134         break;
 135
 136     case AttributeType::DARK:
 137         dam = dam * calc_dark_damage_rate(player_ptr, CALC_MAX) / 100;
 138         if (has_immune_dark(player_ptr) || player_ptr->wraith_form) {
 139             ignore_wraith_form = true;
 140         }
 141         break;
 142
 143     case AttributeType::SHARDS:
 144         dam = dam * calc_shards_damage_rate(player_ptr, CALC_MAX) / 100;
 145         break;
 146
 147     case AttributeType::SOUND:
 148         dam = dam * calc_sound_damage_rate(player_ptr, CALC_MAX) / 100;
 149         break;
 150
 151     case AttributeType::CONFUSION:
 152         dam = dam * calc_conf_damage_rate(player_ptr, CALC_MAX) / 100;
 153         break;
 154
 155     case AttributeType::CHAOS:
 156         dam = dam * calc_chaos_damage_rate(player_ptr, CALC_MAX) / 100;
 157         break;
 158
 159     case AttributeType::NETHER:
 160         dam = dam * calc_nether_damage_rate(player_ptr, CALC_MAX) / 100;
 161         if (PlayerRace(player_ptr).equals(PlayerRaceType::SPECTRE)) {
 162             ignore_wraith_form = true;
 163             dam = 0;
 164         }
 165         break;
 166
 167     case AttributeType::DISENCHANT:
 168         dam = dam * calc_disenchant_damage_rate(player_ptr, CALC_MAX) / 100;
 169         break;
 170
 171     case AttributeType::NEXUS:
 172         dam = dam * calc_nexus_damage_rate(player_ptr, CALC_MAX) / 100;
 173         break;
 174
 175     case AttributeType::TIME:
 176         dam = dam * calc_time_damage_rate(player_ptr, CALC_MAX) / 100;
 177         break;
 178
 179     case AttributeType::GRAVITY:
 180         dam = dam * calc_gravity_damage_rate(player_ptr, CALC_MAX) / 100;
 181         break;
 182
 183     case AttributeType::ROCKET:
 184         dam = dam * calc_rocket_damage_rate(player_ptr, CALC_MAX) / 100;
 185         break;
 186
 187     case AttributeType::NUKE:
 188         dam = dam * calc_nuke_damage_rate(player_ptr) / 100;
 189         break;
 190
 191     case AttributeType::DEATH_RAY:
 192         dam = dam * calc_deathray_damage_rate(player_ptr, CALC_MAX) / 100;
 193         if (dam == 0) {
 194             ignore_wraith_form = true;
 195         }
 196         break;
 197
 198     case AttributeType::HOLY_FIRE:
 199         dam = dam * calc_holy_fire_damage_rate(player_ptr, CALC_MAX) / 100;
 200         break;
 201
 202     case AttributeType::HELL_FIRE:
 203         dam = dam * calc_hell_fire_damage_rate(player_ptr, CALC_MAX) / 100;
 204         break;
 205
 206     case AttributeType::ABYSS:
 207         dam = dam * calc_abyss_damage_rate(player_ptr, CALC_MAX) / 100;
 208         break;
 209
 210     case AttributeType::VOID_MAGIC:
 211         dam = dam * calc_void_damage_rate(player_ptr, CALC_MAX) / 100;
 212         break;
 213
 214     case AttributeType::MIND_BLAST:
 215     case AttributeType::BRAIN_SMASH:
 216         if (100 + rlev / 2 <= std::max<short>(5, player_ptr->skill_sav)) {
 217             dam = 0;
 218             ignore_wraith_form = true;
 219         }
 220
 221         break;
 222
 223     case AttributeType::CAUSE_1:
 224     case AttributeType::CAUSE_2:
 225     case AttributeType::CAUSE_3:
 226     case AttributeType::HAND_DOOM:
 227         if (100 + rlev / 2 <= player_ptr->skill_sav) {
 228             dam = 0;
 229             ignore_wraith_form = true;
 230         }
 231
 232         break;
 233
 234     case AttributeType::CAUSE_4:
 235         if ((100 + rlev / 2 <= player_ptr->skill_sav) && (m_ptr->r_idx != MonsterRaceId::KENSHIROU)) {
 236             dam = 0;
 237             ignore_wraith_form = true;
 238         }
 239
 240         break;
 241     default:
 242         break;
 243     }
 244
 245     if (player_ptr->wraith_form && !ignore_wraith_form) {
 246         dam /= 2;
 247         if (!dam) {
 248             dam = 1;
 249         }
 250     }
 251
 252     if (dam > *max) {
 253         *max = dam;
 254     }
 255 }
 256
 257 /*!
 258  * @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。 /
 259  * Calculate spell damages
 260  * @param spell_num RF4ならRF_ABILITY::SPELL_STARTのように32区切りのベースとなる数値
 261  * @param typ 効果属性のID
 262  * @param m_idx 魔法を行使するモンスターのID
 263  * @param max 算出した最大ダメージを返すポインタ
 264  */
 265 static void spell_damcalc_by_spellnum(PlayerType *player_ptr, MonsterAbilityType ms_type, AttributeType typ, MONSTER_IDX m_idx, int *max)
 266 {
 267     auto *m_ptr = &player_ptr->current_floor_ptr->m_list[m_idx];
 268     int dam = monspell_damage(player_ptr, ms_type, m_idx, DAM_MAX);
 269     spell_damcalc(player_ptr, m_ptr, typ, dam, max);
 270 }
 271
 272 /*!
 273  * @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 /
 274  * Calculate blow damages
 275  * @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
 276  * @param blow モンスターの打撃能力の構造体参照
 277  * @return 算出された最大ダメージを返す。
 278  */
 279 static int blow_damcalc(MonsterEntity *m_ptr, PlayerType *player_ptr, const MonsterBlow &blow)
 280 {
 281     int dam = blow.d_dice * blow.d_side;
 282     int dummy_max = 0;
 283
 284     if (blow.method == RaceBlowMethodType::EXPLODE) {
 285         dam = (dam + 1) / 2;
 286         spell_damcalc(player_ptr, m_ptr, mbe_info[enum2i(blow.effect)].explode_type, dam, &dummy_max);
 287         dam = dummy_max;
 288         return dam;
 289     }
 290
 291     ARMOUR_CLASS ac = player_ptr->ac + player_ptr->to_a;
 292     bool check_wraith_form = true;
 293     switch (blow.effect) {
 294     case RaceBlowEffectType::SUPERHURT: {
 295         int tmp_dam = dam - (dam * ((ac < 150) ? ac : 150) / 250);
 296         dam = std::max(dam, tmp_dam * 2);
 297         break;
 298     }
 299
 300     case RaceBlowEffectType::HURT:
 301     case RaceBlowEffectType::SHATTER:
 302         dam -= (dam * ((ac < 150) ? ac : 150) / 250);
 303         break;
 304
 305     case RaceBlowEffectType::ACID:
 306         spell_damcalc(player_ptr, m_ptr, AttributeType::ACID, dam, &dummy_max);
 307         dam = dummy_max;
 308         check_wraith_form = false;
 309         break;
 310
 311     case RaceBlowEffectType::ELEC:
 312         spell_damcalc(player_ptr, m_ptr, AttributeType::ELEC, dam, &dummy_max);
 313         dam = dummy_max;
 314         check_wraith_form = false;
 315         break;
 316
 317     case RaceBlowEffectType::FIRE:
 318         spell_damcalc(player_ptr, m_ptr, AttributeType::FIRE, dam, &dummy_max);
 319         dam = dummy_max;
 320         check_wraith_form = false;
 321         break;
 322
 323     case RaceBlowEffectType::COLD:
 324         spell_damcalc(player_ptr, m_ptr, AttributeType::COLD, dam, &dummy_max);
 325         dam = dummy_max;
 326         check_wraith_form = false;
 327         break;
 328
 329     case RaceBlowEffectType::DR_MANA:
 330         dam = 0;
 331         check_wraith_form = false;
 332         break;
 333
 334     default:
 335         break;
 336     }
 337
 338     if (check_wraith_form && player_ptr->wraith_form) {
 339         dam /= 2;
 340         if (!dam) {
 341             dam = 1;
 342         }
 343     }
 344
 345     return dam;
 346 }
 347
 348 /*!
 349  * @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 /
 350  * Examine the grid (xx,yy) and warn the player if there are any danger
 351  * @param xx 危険性を調査するマスのX座標
 352  * @param yy 危険性を調査するマスのY座標
 353  * @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。
 354  */
 355 bool process_warning(PlayerType *player_ptr, POSITION xx, POSITION yy)
 356 {
 357     POSITION mx, my;
 358 #define WARNING_AWARE_RANGE 12
 359     int dam_max = 0;
 360     static int old_damage = 0;
 361
 362     auto &floor = *player_ptr->current_floor_ptr;
 363     const auto &dungeon = floor.get_dungeon_definition();
 364     for (mx = xx - WARNING_AWARE_RANGE; mx < xx + WARNING_AWARE_RANGE + 1; mx++) {
 365         for (my = yy - WARNING_AWARE_RANGE; my < yy + WARNING_AWARE_RANGE + 1; my++) {
 366             int dam_max0 = 0;
 367             if (!in_bounds(&floor, my, mx) || (distance(my, mx, yy, xx) > WARNING_AWARE_RANGE)) {
 368                 continue;
 369             }
 370
 371             const auto *g_ptr = &floor.grid_array[my][mx];
 372
 373             if (!g_ptr->m_idx) {
 374                 continue;
 375             }
 376
 377             auto *m_ptr = &floor.m_list[g_ptr->m_idx];
 378
 379             if (m_ptr->is_asleep()) {
 380                 continue;
 381             }
 382             if (!m_ptr->is_hostile()) {
 383                 continue;
 384             }
 385
 386             auto *r_ptr = &monraces_info[m_ptr->r_idx];
 387
 388             /* Monster spells (only powerful ones)*/
 389             if (projectable(player_ptr, my, mx, yy, xx)) {
 390                 const auto flags = r_ptr->ability_flags;
 391
 392                 if (dungeon.flags.has_not(DungeonFeatureType::NO_MAGIC)) {
 393                     if (flags.has(MonsterAbilityType::BA_CHAO)) {
 394                         spell_damcalc_by_spellnum(player_ptr, MonsterAbilityType::BA_CHAO, AttributeType::CHAOS, g_ptr->m_idx, &dam_max0);
 395                     }
 396                     if (flags.has(MonsterAbilityType::BA_MANA)) {
 397                         spell_damcalc_by_spellnum(player_ptr, MonsterAbilityType::BA_MANA, AttributeType::MANA, g_ptr->m_idx, &dam_max0);
 398                     }
 399                     if (flags.has(MonsterAbilityType::BA_DARK)) {
 400                         spell_damcalc_by_spellnum(player_ptr, MonsterAbilityType::BA_DARK, AttributeType::DARK, g_ptr->m_idx, &dam_max0);
 401                     }
 402                     if (flags.has(MonsterAbilityType::BA_LITE)) {
 403                         spell_damcalc_by_spellnum(player_ptr, MonsterAbilityType::BA_LITE, AttributeType::LITE, g_ptr->m_idx, &dam_max0);
 404                     }
 405                     if (flags.has(MonsterAbilityType::HAND_DOOM)) {
 406                         spell_damcalc_by_spellnum(player_ptr, MonsterAbilityType::HAND_DOOM, AttributeType::HAND_DOOM, g_ptr->m_idx, &dam_max0);
 407                     }
 408                     if (flags.has(MonsterAbilityType::PSY_SPEAR)) {
 409                         spell_damcalc_by_spellnum(player_ptr, MonsterAbilityType::PSY_SPEAR, AttributeType::PSY_SPEAR, g_ptr->m_idx, &dam_max0);
 410                     }
 411                     if (flags.has(MonsterAbilityType::BA_VOID)) {
 412                         spell_damcalc_by_spellnum(player_ptr, MonsterAbilityType::BA_VOID, AttributeType::VOID_MAGIC, g_ptr->m_idx, &dam_max0);
 413                     }
 414                     if (flags.has(MonsterAbilityType::BA_ABYSS)) {
 415                         spell_damcalc_by_spellnum(player_ptr, MonsterAbilityType::BA_ABYSS, AttributeType::ABYSS, g_ptr->m_idx, &dam_max0);
 416                     }
 417                 }
 418
 419                 if (flags.has(MonsterAbilityType::ROCKET)) {
 420                     spell_damcalc_by_spellnum(player_ptr, MonsterAbilityType::ROCKET, AttributeType::ROCKET, g_ptr->m_idx, &dam_max0);
 421                 }
 422                 if (flags.has(MonsterAbilityType::BR_ACID)) {
 423                     spell_damcalc_by_spellnum(player_ptr, MonsterAbilityType::BR_ACID, AttributeType::ACID, g_ptr->m_idx, &dam_max0);
 424                 }
 425                 if (flags.has(MonsterAbilityType::BR_ELEC)) {
 426                     spell_damcalc_by_spellnum(player_ptr, MonsterAbilityType::BR_ELEC, AttributeType::ELEC, g_ptr->m_idx, &dam_max0);
 427                 }
 428                 if (flags.has(MonsterAbilityType::BR_FIRE)) {
 429                     spell_damcalc_by_spellnum(player_ptr, MonsterAbilityType::BR_FIRE, AttributeType::FIRE, g_ptr->m_idx, &dam_max0);
 430                 }
 431                 if (flags.has(MonsterAbilityType::BR_COLD)) {
 432                     spell_damcalc_by_spellnum(player_ptr, MonsterAbilityType::BR_COLD, AttributeType::COLD, g_ptr->m_idx, &dam_max0);
 433                 }
 434                 if (flags.has(MonsterAbilityType::BR_POIS)) {
 435                     spell_damcalc_by_spellnum(player_ptr, MonsterAbilityType::BR_POIS, AttributeType::POIS, g_ptr->m_idx, &dam_max0);
 436                 }
 437                 if (flags.has(MonsterAbilityType::BR_NETH)) {
 438                     spell_damcalc_by_spellnum(player_ptr, MonsterAbilityType::BR_NETH, AttributeType::NETHER, g_ptr->m_idx, &dam_max0);
 439                 }
 440                 if (flags.has(MonsterAbilityType::BR_LITE)) {
 441                     spell_damcalc_by_spellnum(player_ptr, MonsterAbilityType::BR_LITE, AttributeType::LITE, g_ptr->m_idx, &dam_max0);
 442                 }
 443                 if (flags.has(MonsterAbilityType::BR_DARK)) {
 444                     spell_damcalc_by_spellnum(player_ptr, MonsterAbilityType::BR_DARK, AttributeType::DARK, g_ptr->m_idx, &dam_max0);
 445                 }
 446                 if (flags.has(MonsterAbilityType::BR_CONF)) {
 447                     spell_damcalc_by_spellnum(player_ptr, MonsterAbilityType::BR_CONF, AttributeType::CONFUSION, g_ptr->m_idx, &dam_max0);
 448                 }
 449                 if (flags.has(MonsterAbilityType::BR_SOUN)) {
 450                     spell_damcalc_by_spellnum(player_ptr, MonsterAbilityType::BR_SOUN, AttributeType::SOUND, g_ptr->m_idx, &dam_max0);
 451                 }
 452                 if (flags.has(MonsterAbilityType::BR_CHAO)) {
 453                     spell_damcalc_by_spellnum(player_ptr, MonsterAbilityType::BR_CHAO, AttributeType::CHAOS, g_ptr->m_idx, &dam_max0);
 454                 }
 455                 if (flags.has(MonsterAbilityType::BR_DISE)) {
 456                     spell_damcalc_by_spellnum(player_ptr, MonsterAbilityType::BR_DISE, AttributeType::DISENCHANT, g_ptr->m_idx, &dam_max0);
 457                 }
 458                 if (flags.has(MonsterAbilityType::BR_NEXU)) {
 459                     spell_damcalc_by_spellnum(player_ptr, MonsterAbilityType::BR_NEXU, AttributeType::NEXUS, g_ptr->m_idx, &dam_max0);
 460                 }
 461                 if (flags.has(MonsterAbilityType::BR_TIME)) {
 462                     spell_damcalc_by_spellnum(player_ptr, MonsterAbilityType::BR_TIME, AttributeType::TIME, g_ptr->m_idx, &dam_max0);
 463                 }
 464                 if (flags.has(MonsterAbilityType::BR_INER)) {
 465                     spell_damcalc_by_spellnum(player_ptr, MonsterAbilityType::BR_INER, AttributeType::INERTIAL, g_ptr->m_idx, &dam_max0);
 466                 }
 467                 if (flags.has(MonsterAbilityType::BR_GRAV)) {
 468                     spell_damcalc_by_spellnum(player_ptr, MonsterAbilityType::BR_GRAV, AttributeType::GRAVITY, g_ptr->m_idx, &dam_max0);
 469                 }
 470                 if (flags.has(MonsterAbilityType::BR_SHAR)) {
 471                     spell_damcalc_by_spellnum(player_ptr, MonsterAbilityType::BR_SHAR, AttributeType::SHARDS, g_ptr->m_idx, &dam_max0);
 472                 }
 473                 if (flags.has(MonsterAbilityType::BR_PLAS)) {
 474                     spell_damcalc_by_spellnum(player_ptr, MonsterAbilityType::BR_PLAS, AttributeType::PLASMA, g_ptr->m_idx, &dam_max0);
 475                 }
 476                 if (flags.has(MonsterAbilityType::BR_FORC)) {
 477                     spell_damcalc_by_spellnum(player_ptr, MonsterAbilityType::BR_FORC, AttributeType::FORCE, g_ptr->m_idx, &dam_max0);
 478                 }
 479                 if (flags.has(MonsterAbilityType::BR_MANA)) {
 480                     spell_damcalc_by_spellnum(player_ptr, MonsterAbilityType::BR_MANA, AttributeType::MANA, g_ptr->m_idx, &dam_max0);
 481                 }
 482                 if (flags.has(MonsterAbilityType::BR_NUKE)) {
 483                     spell_damcalc_by_spellnum(player_ptr, MonsterAbilityType::BR_NUKE, AttributeType::NUKE, g_ptr->m_idx, &dam_max0);
 484                 }
 485                 if (flags.has(MonsterAbilityType::BR_DISI)) {
 486                     spell_damcalc_by_spellnum(player_ptr, MonsterAbilityType::BR_DISI, AttributeType::DISINTEGRATE, g_ptr->m_idx, &dam_max0);
 487                 }
 488                 if (flags.has(MonsterAbilityType::BR_VOID)) {
 489                     spell_damcalc_by_spellnum(player_ptr, MonsterAbilityType::BR_VOID, AttributeType::VOID_MAGIC, g_ptr->m_idx, &dam_max0);
 490                 }
 491                 if (flags.has(MonsterAbilityType::BR_ABYSS)) {
 492                     spell_damcalc_by_spellnum(player_ptr, MonsterAbilityType::BR_ABYSS, AttributeType::ABYSS, g_ptr->m_idx, &dam_max0);
 493                 }
 494             }
 495             /* Monster melee attacks */
 496             if (r_ptr->behavior_flags.has(MonsterBehaviorType::NEVER_BLOW) || dungeon.flags.has(DungeonFeatureType::NO_MELEE)) {
 497                 dam_max += dam_max0;
 498                 continue;
 499             }
 500
 501             if (!(mx <= xx + 1 && mx >= xx - 1 && my <= yy + 1 && my >= yy - 1)) {
 502                 dam_max += dam_max0;
 503                 continue;
 504             }
 505
 506             int dam_melee = 0;
 507             for (const auto &blow : r_ptr->blows) {
 508                 /* Skip non-attacks */
 509                 if (blow.method == RaceBlowMethodType::NONE || (blow.method == RaceBlowMethodType::SHOOT)) {
 510                     continue;
 511                 }
 512
 513                 /* Extract the attack info */
 514                 dam_melee += blow_damcalc(m_ptr, player_ptr, blow);
 515                 if (blow.method == RaceBlowMethodType::EXPLODE) {
 516                     break;
 517                 }
 518             }
 519
 520             if (dam_melee > dam_max0) {
 521                 dam_max0 = dam_melee;
 522             }
 523             dam_max += dam_max0;
 524         }
 525     }
 526
 527     /* Prevent excessive warning */
 528     if (dam_max > old_damage) {
 529         old_damage = dam_max * 3 / 2;
 530
 531         if (dam_max > player_ptr->chp / 2) {
 532             auto *o_ptr = choose_warning_item(player_ptr);
 533             std::string item_name;
 534             if (o_ptr != nullptr) {
 535                 item_name = describe_flavor(player_ptr, o_ptr, (OD_OMIT_PREFIX | OD_NAME_ONLY));
 536             } else {
 537                 item_name = _("体", "body");
 538             }
 539
 540             msg_format(_("%sが鋭く震えた！", "Your %s pulsates sharply!"), item_name.data());
 541
 542             disturb(player_ptr, false, true);
 543             return input_check(_("本当にこのまま進むか？", "Really want to go ahead? "));
 544         }
 545     } else {
 546         old_damage = old_damage / 2;
 547     }
 548
 549     auto *g_ptr = &floor.grid_array[yy][xx];
 550     bool is_warning = (!easy_disarm && is_trap(player_ptr, g_ptr->feat)) || (g_ptr->mimic && is_trap(player_ptr, g_ptr->feat));
 551     is_warning &= !one_in_(13);
 552     if (!is_warning) {
 553         return true;
 554     }
 555
 556     auto *o_ptr = choose_warning_item(player_ptr);
 557     std::string item_name;
 558     if (o_ptr != nullptr) {
 559         item_name = describe_flavor(player_ptr, o_ptr, (OD_OMIT_PREFIX | OD_NAME_ONLY));
 560     } else {
 561         item_name = _("体", "body");
 562     }
 563
 564     msg_format(_("%sが鋭く震えた！", "Your %s pulsates sharply!"), item_name.data());
 565     disturb(player_ptr, false, true);
 566     return input_check(_("本当にこのまま進むか？", "Really want to go ahead? "));
 567 }