src/monster/monster-update.c

   1 /*!
   2  * @brief モンスター情報のアップデート処理
   3  * @date 2020/03/08
   4  * @author Hourier
   5  */
   6
   7 #include "monster/monster-update.h"
   8 #include "core/disturbance.h"
   9 #include "core/player-redraw-types.h"
  10 #include "core/player-update-types.h"
  11 #include "core/window-redrawer.h"
  12 #include "dungeon/dungeon-flag-types.h"
  13 #include "dungeon/dungeon.h"
  14 #include "floor/cave.h"
  15 #include "game-option/birth-options.h"
  16 #include "game-option/disturbance-options.h"
  17 #include "grid/grid.h"
  18 #include "mind/drs-types.h"
  19 #include "monster-race/monster-race.h"
  20 #include "monster-race/race-flags1.h"
  21 #include "monster-race/race-flags2.h"
  22 #include "monster-race/race-flags3.h"
  23 #include "monster-race/race-flags7.h"
  24 #include "monster-race/race-indice-types.h"
  25 #include "monster/monster-flag-types.h"
  26 #include "monster/monster-info.h"
  27 #include "monster/monster-status.h"
  28 #include "monster/smart-learn-types.h"
  29 #include "player/eldritch-horror.h"
  30 #include "player/player-move.h"
  31 #include "player/player-status-flags.h"
  32 #include "player/special-defense-types.h"
  33 #include "status/element-resistance.h"
  34 #include "system/floor-type-definition.h"
  35 #include "target/projection-path-calculator.h"
  36
  37 // Update Monster.
  38 typedef struct um_type {
  39     monster_type *m_ptr;
  40     bool do_disturb;
  41     POSITION fy;
  42     POSITION fx;
  43     bool flag;
  44     bool easy;
  45     bool in_darkness;
  46     bool full;
  47 } um_type;
  48
  49 /*!
  50  * @brief 騎乗中のモンスター情報を更新する
  51  * @param target_ptr プレーヤーへの参照ポインタ
  52  * @param turn_flags_ptr ターン経過処理フラグへの参照ポインタ
  53  * @param m_idx モンスターID
  54  * @param oy 移動前の、モンスターのY座標
  55  * @param ox 移動前の、モンスターのX座標
  56  * @param ny 移動後の、モンスターのY座標
  57  * @param ox 移動後の、モンスターのX座標
  58  * @return アイテム等に影響を及ぼしたらTRUE
  59  */
  60 bool update_riding_monster(player_type *target_ptr, turn_flags *turn_flags_ptr, MONSTER_IDX m_idx, POSITION oy, POSITION ox, POSITION ny, POSITION nx)
  61 {
  62     monster_type *m_ptr = &target_ptr->current_floor_ptr->m_list[m_idx];
  63     grid_type *g_ptr = &target_ptr->current_floor_ptr->grid_array[ny][nx];
  64     monster_type *y_ptr = &target_ptr->current_floor_ptr->m_list[g_ptr->m_idx];
  65     if (turn_flags_ptr->is_riding_mon)
  66         return move_player_effect(target_ptr, ny, nx, MPE_DONT_PICKUP);
  67
  68     target_ptr->current_floor_ptr->grid_array[oy][ox].m_idx = g_ptr->m_idx;
  69     if (g_ptr->m_idx) {
  70         y_ptr->fy = oy;
  71         y_ptr->fx = ox;
  72         update_monster(target_ptr, g_ptr->m_idx, TRUE);
  73     }
  74
  75     g_ptr->m_idx = m_idx;
  76     m_ptr->fy = ny;
  77     m_ptr->fx = nx;
  78     update_monster(target_ptr, m_idx, TRUE);
  79
  80     lite_spot(target_ptr, oy, ox);
  81     lite_spot(target_ptr, ny, nx);
  82     return TRUE;
  83 }
  84
  85 /*!
  86  * @brief updateフィールドを更新する
  87  * @param target_ptr プレーヤーへの参照ポインタ
  88  * @param turn_flags_ptr ターン経過処理フラグへの参照ポインタ
  89  * @return なし
  90  */
  91 void update_player_type(player_type *target_ptr, turn_flags *turn_flags_ptr, monster_race *r_ptr)
  92 {
  93     if (turn_flags_ptr->do_view) {
  94         target_ptr->update |= PU_FLOW;
  95         target_ptr->window |= PW_OVERHEAD | PW_DUNGEON;
  96     }
  97
  98     if (turn_flags_ptr->do_move
  99         && ((r_ptr->flags7 & (RF7_SELF_LD_MASK | RF7_HAS_DARK_1 | RF7_HAS_DARK_2))
 100             || ((r_ptr->flags7 & (RF7_HAS_LITE_1 | RF7_HAS_LITE_2)) && !target_ptr->phase_out))) {
 101         target_ptr->update |= PU_MON_LITE;
 102     }
 103 }
 104
 105 /*!
 106  * @brief モンスターのフラグを更新する
 107  * @param target_ptr プレーヤーへの参照ポインタ
 108  * @param turn_flags_ptr ターン経過処理フラグへの参照ポインタ
 109  * @param m_ptr モンスターへの参照ポインタ
 110  * @return なし
 111  */
 112 void update_monster_race_flags(player_type *target_ptr, turn_flags *turn_flags_ptr, monster_type *m_ptr)
 113 {
 114     monster_race *r_ptr = &r_info[m_ptr->r_idx];
 115     if (!is_original_ap_and_seen(target_ptr, m_ptr))
 116         return;
 117
 118     if (turn_flags_ptr->did_open_door)
 119         r_ptr->r_flags2 |= RF2_OPEN_DOOR;
 120
 121     if (turn_flags_ptr->did_bash_door)
 122         r_ptr->r_flags2 |= RF2_BASH_DOOR;
 123
 124     if (turn_flags_ptr->did_take_item)
 125         r_ptr->r_flags2 |= RF2_TAKE_ITEM;
 126
 127     if (turn_flags_ptr->did_kill_item)
 128         r_ptr->r_flags2 |= RF2_KILL_ITEM;
 129
 130     if (turn_flags_ptr->did_move_body)
 131         r_ptr->r_flags2 |= RF2_MOVE_BODY;
 132
 133     if (turn_flags_ptr->did_pass_wall)
 134         r_ptr->r_flags2 |= RF2_PASS_WALL;
 135
 136     if (turn_flags_ptr->did_kill_wall)
 137         r_ptr->r_flags2 |= RF2_KILL_WALL;
 138 }
 139
 140 /*!
 141  * @brief モンスターフラグの更新に基づき、モンスター表示を更新する
 142  * @param monster_race_idx モンスターID
 143  * @param window ウィンドウフラグ
 144  * @param old_race_flags_ptr モンスターフラグへの参照ポインタ
 145  * @return なし
 146  */
 147 void update_player_window(player_type *target_ptr, old_race_flags *old_race_flags_ptr)
 148 {
 149     monster_race *r_ptr;
 150     r_ptr = &r_info[target_ptr->monster_race_idx];
 151     if ((old_race_flags_ptr->old_r_flags1 != r_ptr->r_flags1) || (old_race_flags_ptr->old_r_flags2 != r_ptr->r_flags2)
 152         || (old_race_flags_ptr->old_r_flags3 != r_ptr->r_flags3) || (old_race_flags_ptr->old_r_flags4 != r_ptr->r_flags4)
 153         || (old_race_flags_ptr->old_r_flags5 != r_ptr->r_flags5) || (old_race_flags_ptr->old_r_flags6 != r_ptr->r_flags6)
 154         || (old_race_flags_ptr->old_r_flagsr != r_ptr->r_flagsr) || (old_race_flags_ptr->old_r_blows0 != r_ptr->r_blows[0])
 155         || (old_race_flags_ptr->old_r_blows1 != r_ptr->r_blows[1]) || (old_race_flags_ptr->old_r_blows2 != r_ptr->r_blows[2])
 156         || (old_race_flags_ptr->old_r_blows3 != r_ptr->r_blows[3]) || (old_race_flags_ptr->old_r_cast_spell != r_ptr->r_cast_spell)) {
 157         target_ptr->window |= PW_MONSTER;
 158     }
 159 }
 160
 161 static um_type* initialize_um_type(player_type* subject_ptr, um_type *um_ptr, MONSTER_IDX m_idx, bool full)
 162 {
 163     um_ptr->m_ptr = &subject_ptr->current_floor_ptr->m_list[m_idx];
 164     um_ptr->do_disturb = disturb_move;
 165     um_ptr->fy = um_ptr->m_ptr->fy;
 166     um_ptr->fx = um_ptr->m_ptr->fx;
 167     um_ptr->flag = FALSE;
 168     um_ptr->easy = FALSE;
 169     um_ptr->in_darkness = (d_info[subject_ptr->dungeon_idx].flags1 & DF1_DARKNESS) && !subject_ptr->see_nocto;
 170     um_ptr->full = full;
 171     return um_ptr;
 172 }
 173
 174 static POSITION decide_updated_distance(player_type *subject_ptr, um_type *um_ptr)
 175 {
 176     if (!um_ptr->full)
 177         return um_ptr->m_ptr->cdis;
 178
 179     int dy = (subject_ptr->y > um_ptr->fy) ? (subject_ptr->y - um_ptr->fy) : (um_ptr->fy - subject_ptr->y);
 180     int dx = (subject_ptr->x > um_ptr->fx) ? (subject_ptr->x - um_ptr->fx) : (um_ptr->fx - subject_ptr->x);
 181     POSITION distance = (dy > dx) ? (dy + (dx >> 1)) : (dx + (dy >> 1));
 182     if (distance > 255)
 183         distance = 255;
 184
 185     if (!distance)
 186         distance = 1;
 187
 188     um_ptr->m_ptr->cdis = distance;
 189     return distance;
 190 }
 191
 192 static void update_smart_stupid_flags(monster_race *r_ptr)
 193 {
 194     if (r_ptr->flags2 & RF2_SMART)
 195         r_ptr->r_flags2 |= RF2_SMART;
 196
 197     if (r_ptr->flags2 & RF2_STUPID)
 198         r_ptr->r_flags2 |= RF2_STUPID;
 199 }
 200
 201 static void update_telepathy_sight(player_type *subject_ptr, um_type *um_ptr)
 202 {
 203     monster_race *r_ptr = &r_info[um_ptr->m_ptr->r_idx];
 204     if (subject_ptr->special_defense & KATA_MUSOU) {
 205         um_ptr->flag = TRUE;
 206         if (is_original_ap(um_ptr->m_ptr) && !subject_ptr->image)
 207             update_smart_stupid_flags(r_ptr);
 208
 209         return;
 210     }
 211
 212     if (!subject_ptr->telepathy)
 213         return;
 214
 215     if (r_ptr->flags2 & RF2_EMPTY_MIND) {
 216         if (is_original_ap(um_ptr->m_ptr) && !subject_ptr->image)
 217             r_ptr->r_flags2 |= RF2_EMPTY_MIND;
 218
 219         return;
 220     }
 221
 222     if (r_ptr->flags2 & RF2_WEIRD_MIND) {
 223         const int weird_telepathy_possibility = 10;
 224         if (one_in_(weird_telepathy_possibility)) {
 225             um_ptr->flag = TRUE;
 226             if (is_original_ap(um_ptr->m_ptr) && !subject_ptr->image) {
 227                 r_ptr->r_flags2 |= RF2_WEIRD_MIND;
 228                 update_smart_stupid_flags(r_ptr);
 229             }
 230         }
 231
 232         return;
 233     }
 234
 235     um_ptr->flag = TRUE;
 236     if (is_original_ap(um_ptr->m_ptr) && !subject_ptr->image)
 237         update_smart_stupid_flags(r_ptr);
 238 }
 239
 240 /*!
 241  * @brief モンスターの各情報を更新する / This function updates the monster record of the given monster
 242  * @param m_idx 更新するモンスター情報のID
 243  * @param full プレイヤーとの距離更新を行うならばtrue
 244  * @return なし
 245  */
 246 void update_monster(player_type *subject_ptr, MONSTER_IDX m_idx, bool full)
 247 {
 248     um_type tmp_um;
 249     um_type *um_ptr = initialize_um_type(subject_ptr, &tmp_um, m_idx, full);
 250     if (disturb_high) {
 251         monster_race *ap_r_ptr = &r_info[um_ptr->m_ptr->ap_r_idx];
 252         if (ap_r_ptr->r_tkills && ap_r_ptr->level >= subject_ptr->lev)
 253             um_ptr->do_disturb = TRUE;
 254     }
 255
 256     if (um_ptr->m_ptr->mflag2 & MFLAG2_MARK)
 257         um_ptr->flag = TRUE;
 258
 259     POSITION distance = decide_updated_distance(subject_ptr, um_ptr);
 260     monster_race *r_ptr = &r_info[um_ptr->m_ptr->r_idx];
 261     if (distance <= (um_ptr->in_darkness ? MAX_SIGHT / 2 : MAX_SIGHT)) {
 262         if (!um_ptr->in_darkness || (distance <= MAX_SIGHT / 4)) {
 263             update_telepathy_sight(subject_ptr, um_ptr);
 264             if ((subject_ptr->esp_animal) && (r_ptr->flags3 & RF3_ANIMAL)) {
 265                 um_ptr->flag = TRUE;
 266                 if (is_original_ap(um_ptr->m_ptr) && !subject_ptr->image)
 267                     r_ptr->r_flags3 |= RF3_ANIMAL;
 268             }
 269
 270             if ((subject_ptr->esp_undead) && (r_ptr->flags3 & RF3_UNDEAD)) {
 271                 um_ptr->flag = TRUE;
 272                 if (is_original_ap(um_ptr->m_ptr) && !subject_ptr->image)
 273                     r_ptr->r_flags3 |= RF3_UNDEAD;
 274             }
 275
 276             if ((subject_ptr->esp_demon) && (r_ptr->flags3 & RF3_DEMON)) {
 277                 um_ptr->flag = TRUE;
 278                 if (is_original_ap(um_ptr->m_ptr) && !subject_ptr->image)
 279                     r_ptr->r_flags3 |= RF3_DEMON;
 280             }
 281
 282             if ((subject_ptr->esp_orc) && (r_ptr->flags3 & RF3_ORC)) {
 283                 um_ptr->flag = TRUE;
 284                 if (is_original_ap(um_ptr->m_ptr) && !subject_ptr->image)
 285                     r_ptr->r_flags3 |= RF3_ORC;
 286             }
 287
 288             if ((subject_ptr->esp_troll) && (r_ptr->flags3 & RF3_TROLL)) {
 289                 um_ptr->flag = TRUE;
 290                 if (is_original_ap(um_ptr->m_ptr) && !subject_ptr->image)
 291                     r_ptr->r_flags3 |= RF3_TROLL;
 292             }
 293
 294             if ((subject_ptr->esp_giant) && (r_ptr->flags3 & RF3_GIANT)) {
 295                 um_ptr->flag = TRUE;
 296                 if (is_original_ap(um_ptr->m_ptr) && !subject_ptr->image)
 297                     r_ptr->r_flags3 |= RF3_GIANT;
 298             }
 299
 300             if ((subject_ptr->esp_dragon) && (r_ptr->flags3 & RF3_DRAGON)) {
 301                 um_ptr->flag = TRUE;
 302                 if (is_original_ap(um_ptr->m_ptr) && !subject_ptr->image)
 303                     r_ptr->r_flags3 |= RF3_DRAGON;
 304             }
 305
 306             if ((subject_ptr->esp_human) && (r_ptr->flags2 & RF2_HUMAN)) {
 307                 um_ptr->flag = TRUE;
 308                 if (is_original_ap(um_ptr->m_ptr) && !subject_ptr->image)
 309                     r_ptr->r_flags2 |= RF2_HUMAN;
 310             }
 311
 312             if ((subject_ptr->esp_evil) && (r_ptr->flags3 & RF3_EVIL)) {
 313                 um_ptr->flag = TRUE;
 314                 if (is_original_ap(um_ptr->m_ptr) && !subject_ptr->image)
 315                     r_ptr->r_flags3 |= RF3_EVIL;
 316             }
 317
 318             if ((subject_ptr->esp_good) && (r_ptr->flags3 & RF3_GOOD)) {
 319                 um_ptr->flag = TRUE;
 320                 if (is_original_ap(um_ptr->m_ptr) && !subject_ptr->image)
 321                     r_ptr->r_flags3 |= RF3_GOOD;
 322             }
 323
 324             if ((subject_ptr->esp_nonliving) && ((r_ptr->flags3 & (RF3_DEMON | RF3_UNDEAD | RF3_NONLIVING)) == RF3_NONLIVING)) {
 325                 um_ptr->flag = TRUE;
 326                 if (is_original_ap(um_ptr->m_ptr) && !subject_ptr->image)
 327                     r_ptr->r_flags3 |= RF3_NONLIVING;
 328             }
 329
 330             if ((subject_ptr->esp_unique) && (r_ptr->flags1 & RF1_UNIQUE)) {
 331                 um_ptr->flag = TRUE;
 332                 if (is_original_ap(um_ptr->m_ptr) && !subject_ptr->image)
 333                     r_ptr->r_flags1 |= RF1_UNIQUE;
 334             }
 335         }
 336
 337         if (player_has_los_bold(subject_ptr, um_ptr->fy, um_ptr->fx) && !subject_ptr->blind) {
 338             bool do_invisible = FALSE;
 339             bool do_cold_blood = FALSE;
 340             if (subject_ptr->concent >= CONCENT_RADAR_THRESHOLD) {
 341                 um_ptr->easy = TRUE;
 342                 um_ptr->flag = TRUE;
 343             }
 344
 345             if (distance <= subject_ptr->see_infra)
 346                 if ((r_ptr->flags2 & (RF2_COLD_BLOOD | RF2_AURA_FIRE)) == RF2_COLD_BLOOD) {
 347                     do_cold_blood = TRUE;
 348                 } else {
 349                     um_ptr->easy = TRUE;
 350                     um_ptr->flag = TRUE;
 351                 }
 352
 353             if (player_can_see_bold(subject_ptr, um_ptr->fy, um_ptr->fx))
 354                 if (r_ptr->flags2 & RF2_INVISIBLE) {
 355                     do_invisible = TRUE;
 356                     if (subject_ptr->see_inv) {
 357                         um_ptr->easy = TRUE;
 358                         um_ptr->flag = TRUE;
 359                     }
 360                 } else {
 361                     um_ptr->easy = TRUE;
 362                     um_ptr->flag = TRUE;
 363                 }
 364
 365             if (um_ptr->flag && is_original_ap(um_ptr->m_ptr) && !subject_ptr->image) {
 366                 if (do_invisible)
 367                     r_ptr->r_flags2 |= RF2_INVISIBLE;
 368
 369                 if (do_cold_blood)
 370                     r_ptr->r_flags2 |= RF2_COLD_BLOOD;
 371             }
 372         }
 373     }
 374
 375     /* The monster is now visible */
 376     if (um_ptr->flag) {
 377         if (!um_ptr->m_ptr->ml) {
 378             um_ptr->m_ptr->ml = TRUE;
 379             lite_spot(subject_ptr, um_ptr->fy, um_ptr->fx);
 380
 381             if (subject_ptr->health_who == m_idx)
 382                 subject_ptr->redraw |= PR_HEALTH;
 383
 384             if (subject_ptr->riding == m_idx)
 385                 subject_ptr->redraw |= PR_UHEALTH;
 386
 387             if (!subject_ptr->image) {
 388                 if ((um_ptr->m_ptr->ap_r_idx == MON_KAGE) && (r_info[MON_KAGE].r_sights < MAX_SHORT))
 389                     r_info[MON_KAGE].r_sights++;
 390                 else if (is_original_ap(um_ptr->m_ptr) && (r_ptr->r_sights < MAX_SHORT))
 391                     r_ptr->r_sights++;
 392             }
 393
 394             if (r_info[um_ptr->m_ptr->ap_r_idx].flags2 & RF2_ELDRITCH_HORROR)
 395                 sanity_blast(subject_ptr, um_ptr->m_ptr, FALSE);
 396
 397             if (disturb_near
 398                 && (projectable(subject_ptr, um_ptr->m_ptr->fy, um_ptr->m_ptr->fx, subject_ptr->y, subject_ptr->x)
 399                     && projectable(subject_ptr, subject_ptr->y, subject_ptr->x, um_ptr->m_ptr->fy, um_ptr->m_ptr->fx))) {
 400                 if (disturb_pets || is_hostile(um_ptr->m_ptr))
 401                     disturb(subject_ptr, TRUE, TRUE);
 402             }
 403         }
 404     }
 405
 406     /* The monster is not visible */
 407     else {
 408         if (um_ptr->m_ptr->ml) {
 409             um_ptr->m_ptr->ml = FALSE;
 410             lite_spot(subject_ptr, um_ptr->fy, um_ptr->fx);
 411
 412             if (subject_ptr->health_who == m_idx)
 413                 subject_ptr->redraw |= PR_HEALTH;
 414
 415             if (subject_ptr->riding == m_idx)
 416                 subject_ptr->redraw |= PR_UHEALTH;
 417
 418             if (um_ptr->do_disturb && (disturb_pets || is_hostile(um_ptr->m_ptr)))
 419                 disturb(subject_ptr, TRUE, TRUE);
 420         }
 421     }
 422
 423     /* The monster is now easily visible */
 424     if (um_ptr->easy) {
 425         if (!(um_ptr->m_ptr->mflag & MFLAG_VIEW)) {
 426             um_ptr->m_ptr->mflag |= MFLAG_VIEW;
 427             if (um_ptr->do_disturb && (disturb_pets || is_hostile(um_ptr->m_ptr)))
 428                 disturb(subject_ptr, TRUE, TRUE);
 429         }
 430
 431         return;
 432     }
 433
 434     /* The monster is not easily visible */
 435     /* Change */
 436     if (!(um_ptr->m_ptr->mflag & MFLAG_VIEW))
 437         return;
 438
 439     /* Mark as not easily visible */
 440     um_ptr->m_ptr->mflag &= ~(MFLAG_VIEW);
 441
 442     if (um_ptr->do_disturb) {
 443         if (disturb_pets || is_hostile(um_ptr->m_ptr))
 444             disturb(subject_ptr, TRUE, TRUE);
 445     }
 446 }
 447
 448 /*!
 449  * @param player_ptr プレーヤーへの参照ポインタ
 450  * @brief 単純に生存している全モンスターの更新処理を行う / This function simply updates all the (non-dead) monsters (see above).
 451  * @param full 距離更新を行うならtrue
 452  * @return なし
 453  */
 454 void update_monsters(player_type *player_ptr, bool full)
 455 {
 456     floor_type *floor_ptr = player_ptr->current_floor_ptr;
 457     for (MONSTER_IDX i = 1; i < floor_ptr->m_max; i++) {
 458         monster_type *m_ptr = &floor_ptr->m_list[i];
 459         if (!monster_is_valid(m_ptr))
 460             continue;
 461         update_monster(player_ptr, i, full);
 462     }
 463 }
 464
 465 /*!
 466  * @brief SMART(適格に攻撃を行う)モンスターの学習状況を更新する / Learn about an "observed" resistance.
 467  * @param m_idx 更新を行う「モンスター情報ID
 468  * @param what 学習対象ID
 469  * @return なし
 470  */
 471 void update_smart_learn(player_type *player_ptr, MONSTER_IDX m_idx, int what)
 472 {
 473     monster_type *m_ptr = &player_ptr->current_floor_ptr->m_list[m_idx];
 474     monster_race *r_ptr = &r_info[m_ptr->r_idx];
 475
 476     if (!smart_learn || ((r_ptr->flags2 & RF2_STUPID) != 0) || (((r_ptr->flags2 & RF2_SMART) == 0) && (randint0(100) < 50)))
 477         return;
 478
 479     switch (what) {
 480     case DRS_ACID:
 481         if (player_ptr->resist_acid)
 482             m_ptr->smart |= SM_RES_ACID;
 483
 484         if (is_oppose_acid(player_ptr))
 485             m_ptr->smart |= SM_OPP_ACID;
 486
 487         if (is_immune_acid(player_ptr))
 488             m_ptr->smart |= SM_IMM_ACID;
 489
 490         break;
 491     case DRS_ELEC:
 492         if (player_ptr->resist_elec)
 493             m_ptr->smart |= SM_RES_ELEC;
 494
 495         if (is_oppose_elec(player_ptr))
 496             m_ptr->smart |= SM_OPP_ELEC;
 497
 498         if (is_immune_elec(player_ptr))
 499             m_ptr->smart |= SM_IMM_ELEC;
 500
 501         break;
 502     case DRS_FIRE:
 503         if (player_ptr->resist_fire)
 504             m_ptr->smart |= SM_RES_FIRE;
 505
 506         if (is_oppose_fire(player_ptr))
 507             m_ptr->smart |= SM_OPP_FIRE;
 508
 509         if (is_immune_fire(player_ptr))
 510             m_ptr->smart |= SM_IMM_FIRE;
 511
 512         break;
 513     case DRS_COLD:
 514         if (player_ptr->resist_cold)
 515             m_ptr->smart |= SM_RES_COLD;
 516
 517         if (is_oppose_cold(player_ptr))
 518             m_ptr->smart |= SM_OPP_COLD;
 519
 520         if (is_immune_cold(player_ptr))
 521             m_ptr->smart |= SM_IMM_COLD;
 522
 523         break;
 524     case DRS_POIS:
 525         if (player_ptr->resist_pois)
 526             m_ptr->smart |= SM_RES_POIS;
 527
 528         if (is_oppose_pois(player_ptr))
 529             m_ptr->smart |= SM_OPP_POIS;
 530
 531         break;
 532     case DRS_NETH:
 533         if (player_ptr->resist_neth)
 534             m_ptr->smart |= SM_RES_NETH;
 535
 536         break;
 537     case DRS_LITE:
 538         if (player_ptr->resist_lite)
 539             m_ptr->smart |= SM_RES_LITE;
 540
 541         break;
 542     case DRS_DARK:
 543         if (player_ptr->resist_dark)
 544             m_ptr->smart |= SM_RES_DARK;
 545
 546         break;
 547     case DRS_FEAR:
 548         if (player_ptr->resist_fear)
 549             m_ptr->smart |= SM_RES_FEAR;
 550
 551         break;
 552     case DRS_CONF:
 553         if (player_ptr->resist_conf)
 554             m_ptr->smart |= SM_RES_CONF;
 555
 556         break;
 557     case DRS_CHAOS:
 558         if (player_ptr->resist_chaos)
 559             m_ptr->smart |= SM_RES_CHAOS;
 560
 561         break;
 562     case DRS_DISEN:
 563         if (player_ptr->resist_disen)
 564             m_ptr->smart |= SM_RES_DISEN;
 565
 566         break;
 567     case DRS_BLIND:
 568         if (player_ptr->resist_blind)
 569             m_ptr->smart |= SM_RES_BLIND;
 570
 571         break;
 572     case DRS_NEXUS:
 573         if (player_ptr->resist_nexus)
 574             m_ptr->smart |= SM_RES_NEXUS;
 575
 576         break;
 577     case DRS_SOUND:
 578         if (player_ptr->resist_sound)
 579             m_ptr->smart |= SM_RES_SOUND;
 580
 581         break;
 582     case DRS_SHARD:
 583         if (player_ptr->resist_shard)
 584             m_ptr->smart |= SM_RES_SHARD;
 585
 586         break;
 587     case DRS_FREE:
 588         if (player_ptr->free_act)
 589             m_ptr->smart |= SM_IMM_FREE;
 590
 591         break;
 592     case DRS_MANA:
 593         if (!player_ptr->msp)
 594             m_ptr->smart |= SM_IMM_MANA;
 595
 596         break;
 597     case DRS_REFLECT:
 598         if (player_ptr->reflect)
 599             m_ptr->smart |= SM_IMM_REFLECT;
 600
 601         break;
 602     default:
 603         break;
 604     }
 605 }