src/player/player-status-flags.c

   1 #include "player/player-status-flags.h"
   2 #include "art-definition/art-sword-types.h"
   3 #include "grid/grid.h"
   4 #include "inventory/inventory-slot-types.h"
   5 #include "monster-race/monster-race.h"
   6 #include "monster-race/race-flags2.h"
   7 #include "monster-race/race-flags7.h"
   8 #include "mutation/mutation-flag-types.h"
   9 #include "object-enchant/object-ego.h"
  10 #include "object-enchant/tr-types.h"
  11 #include "object-enchant/trc-types.h"
  12 #include "object-hook/hook-checker.h"
  13 #include "object-hook/hook-weapon.h"
  14 #include "object/object-flags.h"
  15 #include "player/player-class.h"
  16 #include "player/player-race-types.h"
  17 #include "player/player-race.h"
  18 #include "player/player-skill.h"
  19 #include "player/player-status.h"
  20 #include "player/special-defense-types.h"
  21 #include "realm/realm-hex-numbers.h"
  22 #include "realm/realm-song-numbers.h"
  23 #include "realm/realm-types.h"
  24 #include "spell-realm/spells-hex.h"
  25 #include "sv-definition/sv-weapon-types.h"
  26 #include "system/floor-type-definition.h"
  27 #include "system/monster-type-definition.h"
  28 #include "system/object-type-definition.h"
  29 #include "util/bit-flags-calculator.h"
  30 #include "util/quarks.h"
  31 #include "util/string-processor.h"
  32
  33 static BIT_FLAGS check_equipment_flags(player_type *creature_ptr, tr_type tr_flag);
  34
  35 static BIT_FLAGS check_equipment_flags(player_type *creature_ptr, tr_type tr_flag)
  36 {
  37     object_type *o_ptr;
  38     BIT_FLAGS flgs[TR_FLAG_SIZE];
  39     BIT_FLAGS result = 0L;
  40     for (inventory_slot_type i = INVEN_RARM; i < INVEN_TOTAL; i++) {
  41         o_ptr = &creature_ptr->inventory_list[i];
  42         if (!o_ptr->k_idx)
  43             continue;
  44
  45         object_flags(creature_ptr, o_ptr, flgs);
  46
  47         if (has_flag(flgs, tr_flag))
  48             result |= 0x01 << (i - INVEN_RARM);
  49     }
  50     return result;
  51 }
  52
  53 bool has_kill_wall(player_type *creature_ptr)
  54 {
  55     if (creature_ptr->mimic_form == MIMIC_DEMON_LORD || music_singing(creature_ptr, MUSIC_WALL)) {
  56         return TRUE;
  57     }
  58
  59     if (creature_ptr->riding) {
  60         monster_type *riding_m_ptr = &creature_ptr->current_floor_ptr->m_list[creature_ptr->riding];
  61         monster_race *riding_r_ptr = &r_info[riding_m_ptr->r_idx];
  62         if (riding_r_ptr->flags2 & RF2_KILL_WALL)
  63             return TRUE;
  64     }
  65
  66     return FALSE;
  67 }
  68
  69 bool has_pass_wall(player_type *creature_ptr)
  70 {
  71     bool pow = FALSE;
  72
  73     if (creature_ptr->wraith_form || creature_ptr->tim_pass_wall || (!creature_ptr->mimic_form && creature_ptr->prace == RACE_SPECTRE)) {
  74         pow = TRUE;
  75     }
  76
  77     if (creature_ptr->riding) {
  78         monster_type *riding_m_ptr = &creature_ptr->current_floor_ptr->m_list[creature_ptr->riding];
  79         monster_race *riding_r_ptr = &r_info[riding_m_ptr->r_idx];
  80         if (!(riding_r_ptr->flags2 & RF2_PASS_WALL))
  81             pow = FALSE;
  82     }
  83
  84     return pow;
  85 }
  86
  87 BIT_FLAGS has_xtra_might(player_type *creature_ptr)
  88 {
  89     BIT_FLAGS result = 0L;
  90     result |= check_equipment_flags(creature_ptr, TR_XTRA_MIGHT);
  91     return result;
  92 }
  93
  94 BIT_FLAGS has_esp_evil(player_type *creature_ptr)
  95 {
  96     BIT_FLAGS result = 0L;
  97     if (creature_ptr->realm1 == REALM_HEX) {
  98         if (hex_spelling(creature_ptr, HEX_DETECT_EVIL))
  99             result |= 0x01 << FLAG_CAUSE_MAGIC_TIME_EFFECT;
 100     }
 101     result |= check_equipment_flags(creature_ptr, TR_ESP_EVIL);
 102     return result;
 103 }
 104
 105 BIT_FLAGS has_esp_animal(player_type *creature_ptr)
 106 {
 107     BIT_FLAGS result = 0L;
 108     result |= check_equipment_flags(creature_ptr, TR_ESP_ANIMAL);
 109     return result;
 110 }
 111
 112 BIT_FLAGS has_esp_undead(player_type *creature_ptr)
 113 {
 114     BIT_FLAGS result = 0L;
 115     result |= check_equipment_flags(creature_ptr, TR_ESP_UNDEAD);
 116     return result;
 117 }
 118
 119 BIT_FLAGS has_esp_demon(player_type *creature_ptr)
 120 {
 121     BIT_FLAGS result = 0L;
 122     result |= check_equipment_flags(creature_ptr, TR_ESP_DEMON);
 123     return result;
 124 }
 125
 126 BIT_FLAGS has_esp_orc(player_type *creature_ptr)
 127 {
 128     BIT_FLAGS result = 0L;
 129     result |= check_equipment_flags(creature_ptr, TR_ESP_ORC);
 130     return result;
 131 }
 132
 133 BIT_FLAGS has_esp_troll(player_type *creature_ptr)
 134 {
 135     BIT_FLAGS result = 0L;
 136     result |= check_equipment_flags(creature_ptr, TR_ESP_TROLL);
 137     return result;
 138 }
 139
 140 BIT_FLAGS has_esp_giant(player_type *creature_ptr)
 141 {
 142     BIT_FLAGS result = 0L;
 143     result |= check_equipment_flags(creature_ptr, TR_ESP_GIANT);
 144     return result;
 145 }
 146
 147 BIT_FLAGS has_esp_dragon(player_type *creature_ptr)
 148 {
 149     BIT_FLAGS result = 0L;
 150     result |= check_equipment_flags(creature_ptr, TR_ESP_DRAGON);
 151     return result;
 152 }
 153
 154 BIT_FLAGS has_esp_human(player_type *creature_ptr)
 155 {
 156     BIT_FLAGS result = 0L;
 157     result |= check_equipment_flags(creature_ptr, TR_ESP_HUMAN);
 158     return result;
 159 }
 160
 161 BIT_FLAGS has_esp_good(player_type *creature_ptr)
 162 {
 163     BIT_FLAGS result = 0L;
 164     result |= check_equipment_flags(creature_ptr, TR_ESP_GOOD);
 165     return result;
 166 }
 167
 168 BIT_FLAGS has_esp_nonliving(player_type *creature_ptr)
 169 {
 170     BIT_FLAGS result = 0L;
 171     result |= check_equipment_flags(creature_ptr, TR_ESP_GOOD);
 172     return result;
 173 }
 174
 175 BIT_FLAGS has_esp_unique(player_type *creature_ptr)
 176 {
 177     BIT_FLAGS result = 0L;
 178     result |= check_equipment_flags(creature_ptr, TR_ESP_UNIQUE);
 179     return result;
 180 }
 181
 182 BIT_FLAGS has_esp_telepathy(player_type *creature_ptr)
 183 {
 184     BIT_FLAGS result = 0L;
 185
 186     if (is_time_limit_esp(creature_ptr) || creature_ptr->ult_res || (creature_ptr->special_defense & KATA_MUSOU)) {
 187         result |= FLAG_CAUSE_MAGIC_TIME_EFFECT;
 188     }
 189
 190     if (creature_ptr->muta3 & MUT3_ESP) {
 191         result |= FLAG_CAUSE_MUTATION;
 192     }
 193
 194     if (is_specific_player_race(creature_ptr, RACE_MIND_FLAYER) && creature_ptr->lev > 29)
 195         result |= FLAG_CAUSE_RACE;
 196
 197     if (is_specific_player_race(creature_ptr, RACE_SPECTRE) && creature_ptr->lev > 34)
 198         result |= FLAG_CAUSE_RACE;
 199
 200     if (creature_ptr->pclass == CLASS_MINDCRAFTER && creature_ptr->lev > 39)
 201         result |= FLAG_CAUSE_CLASS;
 202
 203     if (creature_ptr->mimic_form == MIMIC_DEMON_LORD) {
 204         result |= FLAG_CAUSE_RACE;
 205     }
 206
 207     result |= check_equipment_flags(creature_ptr, TR_TELEPATHY);
 208     return result;
 209 }
 210
 211 BIT_FLAGS has_bless_blade(player_type *creature_ptr)
 212 {
 213     BIT_FLAGS result = 0L;
 214     result |= check_equipment_flags(creature_ptr, TR_BLESSED);
 215     return result;
 216 }
 217
 218 BIT_FLAGS has_easy2_weapon(player_type *creature_ptr)
 219 {
 220     BIT_FLAGS result = 0L;
 221     result |= check_equipment_flags(creature_ptr, TR_EASY2_WEAPON);
 222     return result;
 223 }
 224
 225 BIT_FLAGS has_down_saving(player_type *creature_ptr)
 226 {
 227     BIT_FLAGS result = 0L;
 228     result |= check_equipment_flags(creature_ptr, TR_DOWN_SAVING);
 229     return result;
 230 }
 231
 232 BIT_FLAGS has_no_ac(player_type *creature_ptr)
 233 {
 234     BIT_FLAGS result = 0L;
 235     result |= check_equipment_flags(creature_ptr, TR_NO_AC);
 236     return result;
 237 }
 238
 239 void has_no_flowed(player_type *creature_ptr)
 240 {
 241     object_type *o_ptr;
 242     bool has_sw = FALSE, has_kabe = FALSE;
 243     OBJECT_IDX this_o_idx, next_o_idx = 0;
 244
 245     creature_ptr->no_flowed = FALSE;
 246
 247     if (creature_ptr->pass_wall && !creature_ptr->kill_wall)
 248         creature_ptr->no_flowed = TRUE;
 249
 250     for (int i = 0; i < INVEN_PACK; i++) {
 251         if ((creature_ptr->inventory_list[i].tval == TV_NATURE_BOOK) && (creature_ptr->inventory_list[i].sval == 2))
 252             has_sw = TRUE;
 253         if ((creature_ptr->inventory_list[i].tval == TV_CRAFT_BOOK) && (creature_ptr->inventory_list[i].sval == 2))
 254             has_kabe = TRUE;
 255     }
 256
 257     for (this_o_idx = creature_ptr->current_floor_ptr->grid_array[creature_ptr->y][creature_ptr->x].o_idx; this_o_idx; this_o_idx = next_o_idx) {
 258         o_ptr = &creature_ptr->current_floor_ptr->o_list[this_o_idx];
 259         next_o_idx = o_ptr->next_o_idx;
 260
 261         if ((o_ptr->tval == TV_NATURE_BOOK) && (o_ptr->sval == 2))
 262             has_sw = TRUE;
 263         if ((o_ptr->tval == TV_CRAFT_BOOK) && (o_ptr->sval == 2))
 264             has_kabe = TRUE;
 265     }
 266
 267     if (has_sw && ((creature_ptr->realm1 == REALM_NATURE) || (creature_ptr->realm2 == REALM_NATURE) || (creature_ptr->pclass == CLASS_SORCERER))) {
 268         const magic_type *s_ptr = &mp_ptr->info[REALM_NATURE - 1][SPELL_SW];
 269         if (creature_ptr->lev >= s_ptr->slevel)
 270             creature_ptr->no_flowed = TRUE;
 271     }
 272
 273     if (has_kabe && ((creature_ptr->realm1 == REALM_CRAFT) || (creature_ptr->realm2 == REALM_CRAFT) || (creature_ptr->pclass == CLASS_SORCERER))) {
 274         const magic_type *s_ptr = &mp_ptr->info[REALM_CRAFT - 1][SPELL_WALL];
 275         if (creature_ptr->lev >= s_ptr->slevel)
 276             creature_ptr->no_flowed = TRUE;
 277     }
 278 }
 279
 280 BIT_FLAGS has_mighty_throw(player_type *creature_ptr)
 281 {
 282     BIT_FLAGS result = 0L;
 283     result |= check_equipment_flags(creature_ptr, TR_MIGHTY_THROW);
 284     return result;
 285 }
 286
 287 BIT_FLAGS has_dec_mana(player_type *creature_ptr)
 288 {
 289     BIT_FLAGS result = 0L;
 290     result |= check_equipment_flags(creature_ptr, TR_DEC_MANA);
 291     return result;
 292 }
 293
 294 BIT_FLAGS has_reflect(player_type *creature_ptr)
 295 {
 296     BIT_FLAGS result = 0L;
 297
 298     if (creature_ptr->pclass == CLASS_BERSERKER && creature_ptr->lev > 39)
 299         result |= FLAG_CAUSE_CLASS;
 300
 301     if (creature_ptr->pclass == CLASS_MIRROR_MASTER && creature_ptr->lev > 39)
 302         result |= FLAG_CAUSE_CLASS;
 303
 304     if (creature_ptr->special_defense & KAMAE_GENBU || creature_ptr->special_defense & KATA_MUSOU) {
 305         result |= FLAG_CAUSE_BATTLE_FORM;
 306     }
 307
 308     if (creature_ptr->ult_res || creature_ptr->wraith_form || creature_ptr->magicdef || creature_ptr->tim_reflect) {
 309         result |= FLAG_CAUSE_MAGIC_TIME_EFFECT;
 310     }
 311
 312     result |= check_equipment_flags(creature_ptr, TR_REFLECT);
 313     return result;
 314 }
 315
 316 BIT_FLAGS has_see_nocto(player_type *creature_ptr) { return creature_ptr->pclass == CLASS_NINJA ? FLAG_CAUSE_CLASS : 0L; }
 317
 318 void has_warning(player_type *creature_ptr)
 319 {
 320     object_type *o_ptr;
 321     BIT_FLAGS flgs[TR_FLAG_SIZE];
 322
 323     creature_ptr->warning = FALSE;
 324
 325     for (inventory_slot_type i = INVEN_RARM; i < INVEN_TOTAL; i++) {
 326         o_ptr = &creature_ptr->inventory_list[i];
 327         if (!o_ptr->k_idx)
 328             continue;
 329
 330         object_flags(creature_ptr, o_ptr, flgs);
 331
 332         if (has_flag(flgs, TR_WARNING)) {
 333             if (!o_ptr->inscription || !(angband_strchr(quark_str(o_ptr->inscription), '$')))
 334                 creature_ptr->warning = TRUE;
 335         }
 336     }
 337 }
 338
 339 BIT_FLAGS has_anti_magic(player_type *creature_ptr)
 340 {
 341     BIT_FLAGS result = 0L;
 342     result |= check_equipment_flags(creature_ptr, TR_NO_MAGIC);
 343     return result;
 344 }
 345
 346 BIT_FLAGS has_anti_tele(player_type *creature_ptr)
 347 {
 348     BIT_FLAGS result = 0L;
 349     result |= check_equipment_flags(creature_ptr, TR_NO_TELE);
 350     return result;
 351 }
 352
 353 BIT_FLAGS has_sh_fire(player_type *creature_ptr)
 354 {
 355     BIT_FLAGS result = 0L;
 356
 357     if (creature_ptr->muta3 & MUT3_FIRE_BODY) {
 358         result |= FLAG_CAUSE_MUTATION;
 359     }
 360
 361     if (creature_ptr->mimic_form == MIMIC_DEMON_LORD) {
 362         result |= FLAG_CAUSE_RACE;
 363     }
 364
 365     if (creature_ptr->special_defense & KAMAE_SEIRYU || creature_ptr->special_defense & KATA_MUSOU) {
 366         result |= FLAG_CAUSE_BATTLE_FORM;
 367     }
 368
 369     if (hex_spelling(creature_ptr, HEX_DEMON_AURA) || creature_ptr->ult_res || creature_ptr->tim_sh_fire) {
 370         result |= FLAG_CAUSE_MAGIC_TIME_EFFECT;
 371     }
 372
 373     result |= check_equipment_flags(creature_ptr, TR_SH_FIRE);
 374     return result;
 375 }
 376
 377 BIT_FLAGS has_sh_elec(player_type *creature_ptr)
 378 {
 379     BIT_FLAGS result = 0L;
 380
 381     if (creature_ptr->muta3 & MUT3_ELEC_TOUC)
 382         result |= FLAG_CAUSE_MUTATION;
 383
 384     if (hex_spelling(creature_ptr, HEX_SHOCK_CLOAK) || creature_ptr->ult_res) {
 385         result |= FLAG_CAUSE_MAGIC_TIME_EFFECT;
 386     }
 387
 388     if (creature_ptr->special_defense & KAMAE_SEIRYU || (creature_ptr->special_defense & KATA_MUSOU)) {
 389         result |= FLAG_CAUSE_BATTLE_FORM;
 390     }
 391
 392     result |= check_equipment_flags(creature_ptr, TR_SH_ELEC);
 393     return result;
 394 }
 395
 396 BIT_FLAGS has_sh_cold(player_type *creature_ptr)
 397 {
 398     BIT_FLAGS result = 0L;
 399
 400     if (creature_ptr->special_defense & KAMAE_SEIRYU || creature_ptr->special_defense & KATA_MUSOU) {
 401         result |= FLAG_CAUSE_BATTLE_FORM;
 402     }
 403
 404     if (creature_ptr->ult_res || hex_spelling(creature_ptr, HEX_ICE_ARMOR)) {
 405         result |= FLAG_CAUSE_MAGIC_TIME_EFFECT;
 406     }
 407
 408     result |= check_equipment_flags(creature_ptr, TR_SH_COLD);
 409     return result;
 410 }
 411
 412 BIT_FLAGS has_easy_spell(player_type *creature_ptr)
 413 {
 414     BIT_FLAGS result = 0L;
 415     result |= check_equipment_flags(creature_ptr, TR_EASY_SPELL);
 416     return result;
 417 }
 418
 419 BIT_FLAGS has_heavy_spell(player_type *creature_ptr)
 420 {
 421     BIT_FLAGS result = 0L;
 422     result |= check_equipment_flags(creature_ptr, TR_HEAVY_SPELL);
 423     return result;
 424 }
 425
 426 BIT_FLAGS has_hold_exp(player_type *creature_ptr)
 427 {
 428     BIT_FLAGS result = 0L;
 429
 430     if (creature_ptr->pseikaku == PERSONALITY_MUNCHKIN) {
 431         result |= FLAG_CAUSE_PERSONALITY;
 432     }
 433
 434     if (creature_ptr->mimic_form == MIMIC_DEMON || creature_ptr->mimic_form == MIMIC_DEMON_LORD || creature_ptr->mimic_form == MIMIC_VAMPIRE) {
 435         result |= FLAG_CAUSE_RACE;
 436     }
 437
 438     if (is_specific_player_race(creature_ptr, RACE_HOBBIT) || is_specific_player_race(creature_ptr, RACE_SKELETON)
 439         || is_specific_player_race(creature_ptr, RACE_ZOMBIE) || is_specific_player_race(creature_ptr, RACE_VAMPIRE)
 440         || is_specific_player_race(creature_ptr, RACE_SPECTRE) || is_specific_player_race(creature_ptr, RACE_BALROG)
 441         || is_specific_player_race(creature_ptr, RACE_ANDROID)) {
 442         result |= FLAG_CAUSE_RACE;
 443     }
 444
 445     if (is_specific_player_race(creature_ptr, RACE_GOLEM)) {
 446         if (creature_ptr->lev > 34)
 447             result |= FLAG_CAUSE_RACE;
 448     }
 449
 450     if (creature_ptr->special_defense & KATA_MUSOU) {
 451         result |= FLAG_CAUSE_BATTLE_FORM;
 452     }
 453
 454     if (creature_ptr->ult_res) {
 455         result |= FLAG_CAUSE_MAGIC_TIME_EFFECT;
 456     }
 457
 458     result |= check_equipment_flags(creature_ptr, TR_HOLD_EXP);
 459     return result;
 460 }
 461
 462 BIT_FLAGS has_see_inv(player_type *creature_ptr)
 463 {
 464     BIT_FLAGS result = 0L;
 465
 466     if (creature_ptr->pclass == CLASS_NINJA || creature_ptr->lev > 29)
 467         result |= FLAG_CAUSE_CLASS;
 468
 469     if (creature_ptr->mimic_form == MIMIC_DEMON || creature_ptr->mimic_form == MIMIC_DEMON_LORD || creature_ptr->mimic_form == MIMIC_VAMPIRE) {
 470         result |= FLAG_CAUSE_RACE;
 471     }
 472
 473     if (!creature_ptr->mimic_form
 474         && (creature_ptr->prace == RACE_HIGH_ELF || creature_ptr->prace == RACE_GOLEM || creature_ptr->prace == RACE_SKELETON
 475             || creature_ptr->prace == RACE_ZOMBIE || creature_ptr->prace == RACE_SPECTRE || creature_ptr->prace == RACE_ARCHON)) {
 476         result |= FLAG_CAUSE_RACE;
 477     }
 478
 479     if (!creature_ptr->mimic_form && creature_ptr->prace == RACE_DARK_ELF) {
 480         if (creature_ptr->lev > 19)
 481             result |= FLAG_CAUSE_RACE;
 482     }
 483
 484     if (!creature_ptr->mimic_form && creature_ptr->prace == RACE_MIND_FLAYER) {
 485         if (creature_ptr->lev > 14)
 486             result |= FLAG_CAUSE_RACE;
 487     }
 488
 489     if (!creature_ptr->mimic_form && (creature_ptr->prace == RACE_IMP || creature_ptr->prace == RACE_BALROG)) {
 490         if (creature_ptr->lev > 9)
 491             result |= FLAG_CAUSE_RACE;
 492     }
 493
 494     if (creature_ptr->special_defense & KATA_MUSOU) {
 495         result |= FLAG_CAUSE_BATTLE_FORM;
 496     }
 497
 498     if (creature_ptr->ult_res || creature_ptr->tim_invis) {
 499         result |= FLAG_CAUSE_MAGIC_TIME_EFFECT;
 500     }
 501
 502         result |= check_equipment_flags(creature_ptr, TR_SEE_INVIS);
 503     return result;
 504
 505 }
 506
 507 BIT_FLAGS has_free_act(player_type *creature_ptr)
 508 {
 509     BIT_FLAGS result = 0L;
 510
 511     if (creature_ptr->muta3 & MUT3_MOTION)
 512         result |= FLAG_CAUSE_MUTATION;
 513
 514     if (is_specific_player_race(creature_ptr, RACE_GNOME) || is_specific_player_race(creature_ptr, RACE_GOLEM)
 515         || is_specific_player_race(creature_ptr, RACE_SPECTRE) || is_specific_player_race(creature_ptr, RACE_ANDROID)) {
 516         result |= FLAG_CAUSE_RACE;
 517     }
 518
 519     if (heavy_armor(creature_ptr) && (!creature_ptr->inventory_list[INVEN_RARM].k_idx || has_right_hand_weapon(creature_ptr))
 520         && (!creature_ptr->inventory_list[INVEN_LARM].k_idx || has_left_hand_weapon(creature_ptr))) {
 521         if (creature_ptr->lev > 24)
 522             result |= FLAG_CAUSE_CLASS;
 523     }
 524
 525     if (creature_ptr->pclass == CLASS_MONK || creature_ptr->pclass == CLASS_FORCETRAINER) {
 526         if (!(heavy_armor(creature_ptr))) {
 527             if (creature_ptr->lev > 24)
 528                 result |= FLAG_CAUSE_CLASS;
 529         }
 530     }
 531
 532     if (creature_ptr->pclass == CLASS_BERSERKER) {
 533         result |= FLAG_CAUSE_CLASS;
 534     }
 535
 536     if (creature_ptr->ult_res || creature_ptr->magicdef) {
 537         result |= FLAG_CAUSE_MAGIC_TIME_EFFECT;
 538     }
 539
 540     if (creature_ptr->special_defense & KATA_MUSOU) {
 541         result |= FLAG_CAUSE_BATTLE_FORM;
 542     }
 543
 544     result |= check_equipment_flags(creature_ptr, TR_FREE_ACT);
 545     return result;
 546 }
 547
 548 BIT_FLAGS has_sustain_str(player_type *creature_ptr)
 549 {
 550     BIT_FLAGS result = 0L;
 551
 552     if (creature_ptr->pclass == CLASS_BERSERKER) {
 553         result |= FLAG_CAUSE_CLASS;
 554     }
 555     if (is_specific_player_race(creature_ptr, RACE_HALF_TROLL) || is_specific_player_race(creature_ptr, RACE_HALF_OGRE)
 556         || is_specific_player_race(creature_ptr, RACE_HALF_GIANT)) {
 557         result |= FLAG_CAUSE_RACE;
 558     }
 559
 560     if (creature_ptr->ult_res) {
 561         result |= FLAG_CAUSE_MAGIC_TIME_EFFECT;
 562     }
 563
 564     if (creature_ptr->special_defense & KATA_MUSOU) {
 565         result |= FLAG_CAUSE_BATTLE_FORM;
 566     }
 567
 568     result |= check_equipment_flags(creature_ptr, TR_SUST_STR);
 569     return result;
 570 }
 571
 572 BIT_FLAGS has_sustain_int(player_type *creature_ptr)
 573 {
 574     BIT_FLAGS result = 0L;
 575
 576     if (is_specific_player_race(creature_ptr, RACE_MIND_FLAYER)) {
 577         result |= FLAG_CAUSE_RACE;
 578     }
 579
 580     if (creature_ptr->ult_res) {
 581         result |= FLAG_CAUSE_MAGIC_TIME_EFFECT;
 582     }
 583
 584     if (creature_ptr->special_defense & KATA_MUSOU) {
 585         result |= FLAG_CAUSE_BATTLE_FORM;
 586     }
 587
 588     result |= check_equipment_flags(creature_ptr, TR_SUST_INT);
 589     return result;
 590 }
 591
 592 BIT_FLAGS has_sustain_wis(player_type *creature_ptr)
 593 {
 594     BIT_FLAGS result = 0L;
 595
 596     result = FALSE;
 597     if (creature_ptr->pclass == CLASS_MINDCRAFTER && creature_ptr->lev > 19)
 598         result |= FLAG_CAUSE_CLASS;
 599
 600     if (!creature_ptr->mimic_form && (creature_ptr->prace == RACE_MIND_FLAYER)) {
 601         result |= FLAG_CAUSE_RACE;
 602     }
 603
 604     if (creature_ptr->ult_res) {
 605         result |= FLAG_CAUSE_MAGIC_TIME_EFFECT;
 606     }
 607
 608     if (creature_ptr->special_defense & KATA_MUSOU) {
 609         result |= FLAG_CAUSE_BATTLE_FORM;
 610     }
 611
 612     result |= check_equipment_flags(creature_ptr, TR_SUST_WIS);
 613     return result;
 614 }
 615
 616 BIT_FLAGS has_sustain_dex(player_type *creature_ptr)
 617 {
 618     BIT_FLAGS result = 0L;
 619     if (creature_ptr->pclass == CLASS_BERSERKER) {
 620         result |= FLAG_CAUSE_CLASS;
 621     }
 622
 623     if (creature_ptr->pclass == CLASS_NINJA && creature_ptr->lev > 24)
 624         result |= FLAG_CAUSE_CLASS;
 625
 626     if (creature_ptr->ult_res) {
 627         result |= FLAG_CAUSE_MAGIC_TIME_EFFECT;
 628     }
 629
 630     if (creature_ptr->special_defense & KATA_MUSOU) {
 631         result |= FLAG_CAUSE_BATTLE_FORM;
 632     }
 633
 634     result |= check_equipment_flags(creature_ptr, TR_SUST_DEX);
 635     return result;
 636 }
 637
 638 BIT_FLAGS has_sustain_con(player_type *creature_ptr)
 639 {
 640     BIT_FLAGS result = 0L;
 641     if (creature_ptr->pclass == CLASS_BERSERKER) {
 642         result |= FLAG_CAUSE_CLASS;
 643     }
 644
 645     if (!creature_ptr->mimic_form && (creature_ptr->prace == RACE_AMBERITE || creature_ptr->prace == RACE_DUNADAN)) {
 646         result |= FLAG_CAUSE_RACE;
 647     }
 648
 649     if (creature_ptr->ult_res) {
 650         result |= FLAG_CAUSE_MAGIC_TIME_EFFECT;
 651     }
 652
 653     if (creature_ptr->special_defense & KATA_MUSOU) {
 654         result |= FLAG_CAUSE_BATTLE_FORM;
 655     }
 656
 657     result |= check_equipment_flags(creature_ptr, TR_SUST_CON);
 658     return result;
 659 }
 660
 661 BIT_FLAGS has_sustain_chr(player_type *creature_ptr)
 662 {
 663     BIT_FLAGS result = 0L;
 664
 665     if (creature_ptr->ult_res) {
 666         result |= FLAG_CAUSE_MAGIC_TIME_EFFECT;
 667     }
 668
 669     if (creature_ptr->special_defense & KATA_MUSOU) {
 670         result |= FLAG_CAUSE_BATTLE_FORM;
 671     }
 672
 673     result |= check_equipment_flags(creature_ptr, TR_SUST_CHR);
 674     return result;
 675 }
 676
 677 BIT_FLAGS has_levitation(player_type *creature_ptr)
 678 {
 679     BIT_FLAGS result = 0L;
 680
 681     if (creature_ptr->muta3 & MUT3_WINGS)
 682         result = FLAG_CAUSE_MUTATION;
 683
 684     if (creature_ptr->mimic_form == MIMIC_DEMON_LORD) {
 685         result = FLAG_CAUSE_RACE;
 686     }
 687
 688     if (is_specific_player_race(creature_ptr, RACE_DRACONIAN) || is_specific_player_race(creature_ptr, RACE_SPECTRE)
 689         || is_specific_player_race(creature_ptr, RACE_SPRITE) || is_specific_player_race(creature_ptr, RACE_ARCHON)
 690         || is_specific_player_race(creature_ptr, RACE_S_FAIRY)) {
 691         result = FLAG_CAUSE_RACE;
 692     }
 693
 694     if (creature_ptr->special_defense & KAMAE_SEIRYU || creature_ptr->special_defense & KAMAE_SUZAKU || (creature_ptr->special_defense & KATA_MUSOU)) {
 695         result = FLAG_CAUSE_BATTLE_FORM;
 696     }
 697
 698     if (creature_ptr->ult_res) {
 699         result |= FLAG_CAUSE_MAGIC_TIME_EFFECT;
 700     }
 701
 702     if (creature_ptr->riding) {
 703         monster_type *riding_m_ptr = &creature_ptr->current_floor_ptr->m_list[creature_ptr->riding];
 704         monster_race *riding_r_ptr = &r_info[riding_m_ptr->r_idx];
 705         result = (riding_r_ptr->flags7 & RF7_CAN_FLY) ? result : 0;
 706     }
 707
 708     if (creature_ptr->tim_levitation) {
 709         result |= FLAG_CAUSE_MAGIC_TIME_EFFECT;
 710     }
 711
 712     result |= check_equipment_flags(creature_ptr, TR_LEVITATION);
 713     return result;
 714 }
 715
 716 void has_can_swim(player_type *creature_ptr)
 717 {
 718     creature_ptr->can_swim = FALSE;
 719     if (creature_ptr->riding) {
 720         monster_type *riding_m_ptr = &creature_ptr->current_floor_ptr->m_list[creature_ptr->riding];
 721         monster_race *riding_r_ptr = &r_info[riding_m_ptr->r_idx];
 722         if (riding_r_ptr->flags7 & (RF7_CAN_SWIM | RF7_AQUATIC))
 723             creature_ptr->can_swim = TRUE;
 724     }
 725 }
 726
 727 void has_slow_digest(player_type *creature_ptr)
 728 {
 729     object_type *o_ptr;
 730     BIT_FLAGS flgs[TR_FLAG_SIZE];
 731     creature_ptr->slow_digest = FALSE;
 732
 733     if (creature_ptr->pclass == CLASS_NINJA) {
 734         creature_ptr->slow_digest = TRUE;
 735     }
 736
 737     if (creature_ptr->lev > 14 && !creature_ptr->mimic_form && creature_ptr->prace == RACE_HALF_TROLL) {
 738         if (creature_ptr->pclass == CLASS_WARRIOR || creature_ptr->pclass == CLASS_BERSERKER) {
 739             creature_ptr->slow_digest = TRUE;
 740             /* Let's not make Regeneration
 741              * a disadvantage for the poor warriors who can
 742              * never learn a spell that satisfies hunger (actually
 743              * neither can rogues, but half-trolls are not
 744              * supposed to play rogues) */
 745         }
 746     }
 747
 748     if (creature_ptr->ult_res || (creature_ptr->special_defense & KATA_MUSOU)) {
 749         creature_ptr->slow_digest = TRUE;
 750     }
 751
 752     if (!creature_ptr->mimic_form
 753         && (creature_ptr->prace == RACE_GOLEM || creature_ptr->prace == RACE_ZOMBIE || creature_ptr->prace == RACE_SPECTRE
 754             || creature_ptr->prace == RACE_ANDROID)) {
 755         creature_ptr->slow_digest = TRUE;
 756     }
 757
 758     for (inventory_slot_type i = INVEN_RARM; i < INVEN_TOTAL; i++) {
 759         o_ptr = &creature_ptr->inventory_list[i];
 760         if (!o_ptr->k_idx)
 761             continue;
 762         object_flags(creature_ptr, o_ptr, flgs);
 763         if (has_flag(flgs, TR_SLOW_DIGEST))
 764             creature_ptr->slow_digest = TRUE;
 765     }
 766 }
 767
 768 BIT_FLAGS has_regenerate(player_type *creature_ptr)
 769 {
 770     BIT_FLAGS result = 0L;
 771
 772     if (is_specific_player_race(creature_ptr, RACE_HALF_TROLL) && creature_ptr->lev > 14) {
 773         result |= FLAG_CAUSE_RACE;
 774     }
 775
 776     if (is_specific_player_race(creature_ptr, RACE_AMBERITE)) {
 777         result |= FLAG_CAUSE_RACE;
 778     }
 779
 780     if (creature_ptr->pclass == CLASS_WARRIOR && creature_ptr->lev > 44) {
 781         result |= FLAG_CAUSE_RACE;
 782         }
 783
 784         if (creature_ptr->pclass == CLASS_BERSERKER) {
 785         result |= FLAG_CAUSE_RACE;
 786     }
 787
 788     if (creature_ptr->muta3 & MUT3_REGEN)
 789         result |= FLAG_CAUSE_MUTATION;
 790
 791     if (creature_ptr->special_defense & KATA_MUSOU) {
 792         result |= FLAG_CAUSE_MUTATION;
 793     }
 794
 795     if (hex_spelling(creature_ptr, HEX_DEMON_AURA) || creature_ptr->ult_res || creature_ptr->tim_regen) {
 796         result |= FLAG_CAUSE_MAGIC_TIME_EFFECT;
 797     }
 798
 799     result |= check_equipment_flags(creature_ptr, TR_REGEN);
 800
 801     if (creature_ptr->muta3 & MUT3_FLESH_ROT)
 802         result = 0L;
 803
 804     return result;
 805 }
 806
 807 void has_curses(player_type *creature_ptr)
 808 {
 809     object_type *o_ptr;
 810     BIT_FLAGS flgs[TR_FLAG_SIZE];
 811     creature_ptr->cursed = 0L;
 812
 813     if (creature_ptr->pseikaku == PERSONALITY_SEXY)
 814         creature_ptr->cursed |= (TRC_AGGRAVATE);
 815
 816     for (inventory_slot_type i = INVEN_RARM; i < INVEN_TOTAL; i++) {
 817         o_ptr = &creature_ptr->inventory_list[i];
 818         if (!o_ptr->k_idx)
 819             continue;
 820         object_flags(creature_ptr, o_ptr, flgs);
 821         if (has_flag(flgs, TR_AGGRAVATE))
 822             creature_ptr->cursed |= TRC_AGGRAVATE;
 823         if (has_flag(flgs, TR_DRAIN_EXP))
 824             creature_ptr->cursed |= TRC_DRAIN_EXP;
 825         if (has_flag(flgs, TR_TY_CURSE))
 826             creature_ptr->cursed |= TRC_TY_CURSE;
 827         if (has_flag(flgs, TR_ADD_L_CURSE))
 828             creature_ptr->cursed |= TRC_ADD_L_CURSE;
 829         if (has_flag(flgs, TR_ADD_H_CURSE))
 830             creature_ptr->cursed |= TRC_ADD_H_CURSE;
 831         if (has_flag(flgs, TR_DRAIN_HP))
 832             creature_ptr->cursed |= TRC_DRAIN_HP;
 833         if (has_flag(flgs, TR_DRAIN_MANA))
 834             creature_ptr->cursed |= TRC_DRAIN_MANA;
 835         if (has_flag(flgs, TR_CALL_ANIMAL))
 836             creature_ptr->cursed |= TRC_CALL_ANIMAL;
 837         if (has_flag(flgs, TR_CALL_DEMON))
 838             creature_ptr->cursed |= TRC_CALL_DEMON;
 839         if (has_flag(flgs, TR_CALL_DRAGON))
 840             creature_ptr->cursed |= TRC_CALL_DRAGON;
 841         if (has_flag(flgs, TR_CALL_UNDEAD))
 842             creature_ptr->cursed |= TRC_CALL_UNDEAD;
 843         if (has_flag(flgs, TR_COWARDICE))
 844             creature_ptr->cursed |= TRC_COWARDICE;
 845         if (has_flag(flgs, TR_LOW_MELEE))
 846             creature_ptr->cursed |= TRC_LOW_MELEE;
 847         if (has_flag(flgs, TR_LOW_AC))
 848             creature_ptr->cursed |= TRC_LOW_AC;
 849         if (has_flag(flgs, TR_LOW_MAGIC))
 850             creature_ptr->cursed |= TRC_LOW_MAGIC;
 851         if (has_flag(flgs, TR_FAST_DIGEST))
 852             creature_ptr->cursed |= TRC_FAST_DIGEST;
 853         if (has_flag(flgs, TR_SLOW_REGEN))
 854             creature_ptr->cursed |= TRC_SLOW_REGEN;
 855
 856         creature_ptr->cursed |= (o_ptr->curse_flags & (0xFFFFFFF0L));
 857         if (o_ptr->name1 == ART_CHAINSWORD)
 858             creature_ptr->cursed |= TRC_CHAINSWORD;
 859
 860         if (has_flag(flgs, TR_TELEPORT)) {
 861             if (object_is_cursed(o_ptr))
 862                 creature_ptr->cursed |= TRC_TELEPORT;
 863             else {
 864                 concptr insc = quark_str(o_ptr->inscription);
 865
 866                 /* {.} will stop random teleportation. */
 867                 if (o_ptr->inscription && angband_strchr(insc, '.')) {
 868                 } else {
 869                     creature_ptr->cursed |= TRC_TELEPORT_SELF;
 870                 }
 871             }
 872         }
 873     }
 874
 875     if (creature_ptr->cursed & TRC_TELEPORT)
 876         creature_ptr->cursed &= ~(TRC_TELEPORT_SELF);
 877
 878     if ((is_specific_player_race(creature_ptr, RACE_S_FAIRY)) && (creature_ptr->pseikaku != PERSONALITY_SEXY) && (creature_ptr->cursed & TRC_AGGRAVATE)) {
 879         creature_ptr->cursed &= ~(TRC_AGGRAVATE);
 880     }
 881 }
 882
 883 BIT_FLAGS has_impact(player_type *creature_ptr)
 884 {
 885     BIT_FLAGS result = 0L;
 886     result |= check_equipment_flags(creature_ptr, TR_IMPACT);
 887     return result;
 888 }
 889
 890 void has_extra_blow(player_type *creature_ptr)
 891 {
 892     object_type *o_ptr;
 893     BIT_FLAGS flgs[TR_FLAG_SIZE];
 894     creature_ptr->extra_blows[0] = creature_ptr->extra_blows[1] = 0;
 895
 896     for (inventory_slot_type i = INVEN_RARM; i < INVEN_TOTAL; i++) {
 897         o_ptr = &creature_ptr->inventory_list[i];
 898         if (!o_ptr->k_idx)
 899             continue;
 900
 901         object_flags(creature_ptr, o_ptr, flgs);
 902
 903         if (has_flag(flgs, TR_INFRA))
 904             creature_ptr->see_infra += o_ptr->pval;
 905         if (has_flag(flgs, TR_BLOWS)) {
 906             if ((i == INVEN_RARM || i == INVEN_RIGHT) && !has_two_handed_weapons(creature_ptr))
 907                 creature_ptr->extra_blows[0] += o_ptr->pval;
 908             else if ((i == INVEN_LARM || i == INVEN_LEFT) && !has_two_handed_weapons(creature_ptr))
 909                 creature_ptr->extra_blows[1] += o_ptr->pval;
 910             else {
 911                 creature_ptr->extra_blows[0] += o_ptr->pval;
 912                 creature_ptr->extra_blows[1] += o_ptr->pval;
 913             }
 914         }
 915     }
 916 }
 917
 918 BIT_FLAGS has_resist_acid(player_type *creature_ptr)
 919 {
 920     BIT_FLAGS result = 0L;
 921
 922     if (creature_ptr->mimic_form == MIMIC_DEMON_LORD) {
 923         result |= FLAG_CAUSE_RACE;
 924     }
 925
 926     if (!creature_ptr->mimic_form && (creature_ptr->prace == RACE_YEEK || creature_ptr->prace == RACE_KLACKON)) {
 927         result |= FLAG_CAUSE_RACE;
 928     }
 929
 930     if (!creature_ptr->mimic_form && creature_ptr->prace == RACE_DRACONIAN && creature_ptr->lev > 14) {
 931         result |= FLAG_CAUSE_RACE;
 932     }
 933
 934     if (creature_ptr->special_defense & KAMAE_SEIRYU || creature_ptr->special_defense & KATA_MUSOU) {
 935         result |= FLAG_CAUSE_BATTLE_FORM;
 936     }
 937
 938     if (creature_ptr->ult_res) {
 939         result |= FLAG_CAUSE_MAGIC_TIME_EFFECT;
 940     }
 941
 942     result |= has_immune_acid(creature_ptr);
 943
 944     result |= check_equipment_flags(creature_ptr, TR_RES_ACID);
 945     return result;
 946
 947 }
 948
 949 BIT_FLAGS has_resist_elec(player_type *creature_ptr)
 950 {
 951     BIT_FLAGS result = 0L;
 952
 953     if (creature_ptr->mimic_form == MIMIC_DEMON_LORD) {
 954         result |= FLAG_CAUSE_RACE;
 955     }
 956
 957     if (!creature_ptr->mimic_form && creature_ptr->prace == RACE_DRACONIAN && creature_ptr->lev > 19) {
 958         result |= FLAG_CAUSE_RACE;
 959     }
 960
 961     if (creature_ptr->special_defense & KAMAE_SEIRYU || creature_ptr->special_defense & KATA_MUSOU) {
 962         result |= FLAG_CAUSE_BATTLE_FORM;
 963     }
 964
 965     if (creature_ptr->ult_res) {
 966         result |= FLAG_CAUSE_MAGIC_TIME_EFFECT;
 967     }
 968
 969     result |= check_equipment_flags(creature_ptr, TR_RES_ELEC);
 970     result |= has_immune_elec(creature_ptr);
 971     return result;
 972 }
 973
 974 BIT_FLAGS has_resist_fire(player_type *creature_ptr)
 975 {
 976     BIT_FLAGS result = 0L;
 977
 978     if (creature_ptr->mimic_form == MIMIC_DEMON || creature_ptr->mimic_form == MIMIC_DEMON_LORD) {
 979         result |= FLAG_CAUSE_RACE;
 980     }
 981
 982     if (!creature_ptr->mimic_form && creature_ptr->prace == RACE_DRACONIAN && creature_ptr->lev > 4) {
 983         result |= FLAG_CAUSE_RACE;
 984     }
 985
 986     if (!creature_ptr->mimic_form && (creature_ptr->prace == RACE_IMP || creature_ptr->prace == RACE_BALROG)) {
 987         result |= FLAG_CAUSE_RACE;
 988     }
 989
 990     if (creature_ptr->special_defense & KAMAE_SEIRYU || creature_ptr->special_defense & KATA_MUSOU) {
 991         result |= FLAG_CAUSE_BATTLE_FORM;
 992     }
 993
 994     if (creature_ptr->ult_res) {
 995         result |= FLAG_CAUSE_MAGIC_TIME_EFFECT;
 996         }
 997
 998     result |= check_equipment_flags(creature_ptr, TR_RES_FIRE);
 999     result |= has_immune_fire(creature_ptr);
1000     return result;
1001 }
1002
1003 BIT_FLAGS has_resist_cold(player_type *creature_ptr)
1004 {
1005     BIT_FLAGS result = 0L;
1006
1007     if (creature_ptr->mimic_form == MIMIC_DEMON_LORD || creature_ptr->mimic_form == MIMIC_VAMPIRE) {
1008         result |= FLAG_CAUSE_RACE;
1009     }
1010
1011     if (!creature_ptr->mimic_form && (creature_ptr->prace == RACE_ZOMBIE) && creature_ptr->lev > 4) {
1012         result |= FLAG_CAUSE_RACE;
1013     }
1014
1015     if (!creature_ptr->mimic_form && (creature_ptr->prace == RACE_DRACONIAN || creature_ptr->prace == RACE_SKELETON) && creature_ptr->lev > 9) {
1016         result |= FLAG_CAUSE_RACE;
1017     }
1018
1019     if (!creature_ptr->mimic_form && (creature_ptr->prace == RACE_VAMPIRE || creature_ptr->prace == RACE_SPECTRE)) {
1020         result |= FLAG_CAUSE_RACE;
1021     }
1022
1023     if (creature_ptr->special_defense & KAMAE_SEIRYU || creature_ptr->special_defense & KATA_MUSOU) {
1024         result |= FLAG_CAUSE_BATTLE_FORM;
1025     }
1026
1027     if (creature_ptr->ult_res) {
1028         result |= FLAG_CAUSE_MAGIC_TIME_EFFECT;
1029     }
1030
1031     result |= check_equipment_flags(creature_ptr, TR_RES_COLD);
1032     result |= has_immune_cold(creature_ptr);
1033     return result;
1034 }
1035
1036 BIT_FLAGS has_resist_pois(player_type *creature_ptr)
1037 {
1038     BIT_FLAGS result = 0L;
1039
1040     if (creature_ptr->pclass == CLASS_NINJA && creature_ptr->lev > 19)
1041         result |= FLAG_CAUSE_CLASS;
1042
1043     if (creature_ptr->mimic_form == MIMIC_VAMPIRE || creature_ptr->mimic_form == MIMIC_DEMON_LORD) {
1044         result |= FLAG_CAUSE_RACE;
1045     }
1046
1047     if (!creature_ptr->mimic_form && creature_ptr->prace == RACE_DRACONIAN && creature_ptr->lev > 34) {
1048         result |= FLAG_CAUSE_RACE;
1049     }
1050
1051     if (!creature_ptr->mimic_form
1052         && (creature_ptr->prace == RACE_KOBOLD || creature_ptr->prace == RACE_GOLEM || creature_ptr->prace == RACE_SKELETON
1053             || creature_ptr->prace == RACE_VAMPIRE || creature_ptr->prace == RACE_SPECTRE || creature_ptr->prace == RACE_ANDROID)) {
1054         result |= FLAG_CAUSE_RACE;
1055     }
1056
1057     if (creature_ptr->special_defense & KAMAE_SEIRYU || creature_ptr->special_defense & KATA_MUSOU) {
1058         result |= FLAG_CAUSE_BATTLE_FORM;
1059     }
1060
1061     if (creature_ptr->ult_res) {
1062         result |= FLAG_CAUSE_MAGIC_TIME_EFFECT;
1063     }
1064
1065     result |= check_equipment_flags(creature_ptr, TR_RES_POIS);
1066     return result;
1067 }
1068
1069 BIT_FLAGS has_resist_conf(player_type *creature_ptr)
1070 {
1071     BIT_FLAGS result = 0L;
1072
1073     if (creature_ptr->pclass == CLASS_MINDCRAFTER && creature_ptr->lev > 29)
1074         result |= FLAG_CAUSE_CLASS;
1075
1076     if (creature_ptr->pseikaku == PERSONALITY_CHARGEMAN || creature_ptr->pseikaku == PERSONALITY_MUNCHKIN) {
1077         result |= FLAG_CAUSE_PERSONALITY;
1078     }
1079
1080     if (!creature_ptr->mimic_form && (creature_ptr->prace == RACE_KLACKON || creature_ptr->prace == RACE_BEASTMAN || creature_ptr->prace == RACE_KUTAR)) {
1081         result |= FLAG_CAUSE_RACE;
1082     }
1083
1084     if (creature_ptr->mimic_form == MIMIC_DEMON_LORD) {
1085         result |= FLAG_CAUSE_RACE;
1086     }
1087
1088     if (creature_ptr->ult_res || creature_ptr->magicdef) {
1089         result |= FLAG_CAUSE_MAGIC_TIME_EFFECT;
1090     }
1091
1092     if (creature_ptr->special_defense & KATA_MUSOU) {
1093         result |= FLAG_CAUSE_BATTLE_FORM;
1094     }
1095
1096     result |= check_equipment_flags(creature_ptr, TR_RES_CONF);
1097     return result;
1098 }
1099
1100 BIT_FLAGS has_resist_sound(player_type *creature_ptr)
1101 {
1102     BIT_FLAGS result = 0L;
1103
1104     if (creature_ptr->pclass == CLASS_BARD) {
1105         result |= FLAG_CAUSE_CLASS;
1106     }
1107
1108     if (!creature_ptr->mimic_form && (creature_ptr->prace == RACE_CYCLOPS || creature_ptr->prace == RACE_BEASTMAN)) {
1109         result |= FLAG_CAUSE_RACE;
1110     }
1111
1112     if (creature_ptr->special_defense & KATA_MUSOU) {
1113         result |= FLAG_CAUSE_BATTLE_FORM;
1114     }
1115
1116     if (creature_ptr->ult_res) {
1117         result |= FLAG_CAUSE_MAGIC_TIME_EFFECT;
1118     }
1119
1120     result |= check_equipment_flags(creature_ptr, TR_RES_SOUND);
1121     return result;
1122 }
1123
1124 BIT_FLAGS has_resist_lite(player_type *creature_ptr)
1125 {
1126     BIT_FLAGS result = 0L;
1127
1128     if (!creature_ptr->mimic_form && (creature_ptr->prace == RACE_ELF || creature_ptr->prace == RACE_HIGH_ELF || creature_ptr->prace == RACE_SPRITE)) {
1129         result |= FLAG_CAUSE_RACE;
1130     }
1131
1132     if (creature_ptr->special_defense & KATA_MUSOU) {
1133         result |= FLAG_CAUSE_BATTLE_FORM;
1134     }
1135
1136     if (creature_ptr->ult_res) {
1137         result |= FLAG_CAUSE_MAGIC_TIME_EFFECT;
1138     }
1139
1140     result |= check_equipment_flags(creature_ptr, TR_RES_LITE);
1141     return result;
1142 }
1143
1144 BIT_FLAGS has_resist_dark(player_type *creature_ptr)
1145 {
1146     BIT_FLAGS result = 0L;
1147
1148     if (creature_ptr->mimic_form == MIMIC_VAMPIRE) {
1149         result |= FLAG_CAUSE_RACE;
1150     }
1151
1152     if (!creature_ptr->mimic_form
1153         && (creature_ptr->prace == RACE_HALF_ORC || creature_ptr->prace == RACE_HALF_OGRE || creature_ptr->prace == RACE_NIBELUNG
1154             || creature_ptr->prace == RACE_DARK_ELF || creature_ptr->prace == RACE_VAMPIRE)) {
1155         result |= FLAG_CAUSE_RACE;
1156     }
1157
1158     if (creature_ptr->special_defense & KATA_MUSOU) {
1159         result |= FLAG_CAUSE_BATTLE_FORM;
1160     }
1161
1162     if (creature_ptr->ult_res) {
1163         result |= FLAG_CAUSE_MAGIC_TIME_EFFECT;
1164     }
1165
1166     result |= check_equipment_flags(creature_ptr, TR_RES_DARK);
1167     return result;
1168 }
1169
1170 BIT_FLAGS has_resist_chaos(player_type *creature_ptr)
1171 {
1172     BIT_FLAGS result = 0L;
1173
1174     if (creature_ptr->pclass == CLASS_CHAOS_WARRIOR && creature_ptr->lev > 29)
1175         result |= FLAG_CAUSE_CLASS;
1176
1177     if (creature_ptr->mimic_form == MIMIC_DEMON || creature_ptr->mimic_form == MIMIC_DEMON_LORD) {
1178         result |= FLAG_CAUSE_RACE;
1179     }
1180
1181     if (!creature_ptr->mimic_form && creature_ptr->prace == RACE_HALF_TITAN)
1182         result |= FLAG_CAUSE_RACE;
1183
1184     if (creature_ptr->special_defense & KATA_MUSOU) {
1185         result |= FLAG_CAUSE_BATTLE_FORM;
1186     }
1187
1188     if (creature_ptr->ult_res) {
1189         result |= FLAG_CAUSE_MAGIC_TIME_EFFECT;
1190     }
1191
1192     result |= check_equipment_flags(creature_ptr, TR_RES_CHAOS);
1193     return result;
1194 }
1195
1196 BIT_FLAGS has_resist_disen(player_type *creature_ptr)
1197 {
1198     BIT_FLAGS result = 0L;
1199
1200     if (creature_ptr->mimic_form == MIMIC_DEMON_LORD) {
1201         result |= FLAG_CAUSE_RACE;
1202     }
1203
1204     if (!creature_ptr->mimic_form && creature_ptr->prace == RACE_NIBELUNG)
1205         result |= FLAG_CAUSE_RACE;
1206
1207     if (creature_ptr->special_defense & KATA_MUSOU) {
1208         result |= FLAG_CAUSE_BATTLE_FORM;
1209     }
1210
1211     if (creature_ptr->ult_res) {
1212         result |= FLAG_CAUSE_MAGIC_TIME_EFFECT;
1213     }
1214
1215     result |= check_equipment_flags(creature_ptr, TR_RES_DISEN);
1216     return result;
1217 }
1218
1219 BIT_FLAGS has_resist_shard(player_type *creature_ptr)
1220 {
1221     BIT_FLAGS result = 0L;
1222
1223     if (!creature_ptr->mimic_form && (creature_ptr->prace == RACE_HALF_TITAN || creature_ptr->prace == RACE_SKELETON))
1224         result |= FLAG_CAUSE_RACE;
1225
1226     if (creature_ptr->special_defense & KATA_MUSOU) {
1227         result |= FLAG_CAUSE_BATTLE_FORM;
1228     }
1229
1230     if (creature_ptr->ult_res) {
1231         result |= FLAG_CAUSE_MAGIC_TIME_EFFECT;
1232     }
1233
1234     result |= check_equipment_flags(creature_ptr, TR_RES_SHARDS);
1235     return result;
1236 }
1237
1238 BIT_FLAGS has_resist_nexus(player_type *creature_ptr)
1239 {
1240     BIT_FLAGS result = 0L;
1241
1242     if (creature_ptr->mimic_form == MIMIC_DEMON_LORD) {
1243         result |= FLAG_CAUSE_RACE;
1244     }
1245
1246     if (creature_ptr->special_defense & KATA_MUSOU) {
1247         result |= FLAG_CAUSE_BATTLE_FORM;
1248     }
1249
1250     if (creature_ptr->ult_res) {
1251         result |= FLAG_CAUSE_MAGIC_TIME_EFFECT;
1252     }
1253
1254     result |= check_equipment_flags(creature_ptr, TR_RES_NEXUS);
1255     return result;
1256 }
1257
1258 BIT_FLAGS has_resist_blind(player_type *creature_ptr)
1259 {
1260     BIT_FLAGS result = 0L;
1261
1262     if (creature_ptr->pseikaku == PERSONALITY_MUNCHKIN) {
1263         result |= FLAG_CAUSE_PERSONALITY;
1264     }
1265
1266     if (!creature_ptr->mimic_form && creature_ptr->prace == RACE_DWARF)
1267         result |= FLAG_CAUSE_RACE;
1268
1269     if (creature_ptr->special_defense & KATA_MUSOU) {
1270         result |= FLAG_CAUSE_BATTLE_FORM;
1271     }
1272
1273     if (creature_ptr->ult_res || creature_ptr->magicdef) {
1274         result |= FLAG_CAUSE_MAGIC_TIME_EFFECT;
1275     }
1276
1277     result |= check_equipment_flags(creature_ptr, TR_RES_BLIND);
1278     return result;
1279 }
1280
1281 BIT_FLAGS has_resist_neth(player_type *creature_ptr)
1282 {
1283     BIT_FLAGS result = 0L;
1284
1285     if (creature_ptr->mimic_form == MIMIC_DEMON_LORD || creature_ptr->mimic_form == MIMIC_DEMON || creature_ptr->mimic_form == MIMIC_VAMPIRE) {
1286         result |= FLAG_CAUSE_RACE;
1287     }
1288
1289     if (!creature_ptr->mimic_form
1290         && (creature_ptr->prace == RACE_ZOMBIE || creature_ptr->prace == RACE_VAMPIRE || creature_ptr->prace == RACE_SPECTRE
1291             || creature_ptr->prace == RACE_BALROG))
1292         result |= FLAG_CAUSE_RACE;
1293
1294     if (creature_ptr->special_defense & KATA_MUSOU) {
1295         result |= FLAG_CAUSE_BATTLE_FORM;
1296     }
1297
1298     if (creature_ptr->ult_res || creature_ptr->tim_res_nether) {
1299         result |= FLAG_CAUSE_MAGIC_TIME_EFFECT;
1300     }
1301
1302     result |= check_equipment_flags(creature_ptr, TR_RES_NETHER);
1303     return result;
1304 }
1305
1306 BIT_FLAGS has_resist_time(player_type *creature_ptr)
1307 {
1308     BIT_FLAGS result = 0L;
1309
1310     if (creature_ptr->tim_res_time) {
1311         result |= FLAG_CAUSE_MAGIC_TIME_EFFECT;
1312     }
1313
1314     result |= check_equipment_flags(creature_ptr, TR_RES_TIME);
1315     return result;
1316 }
1317
1318 BIT_FLAGS has_resist_water(player_type *creature_ptr)
1319 {
1320     BIT_FLAGS result = 0L;
1321
1322     if (!creature_ptr->mimic_form && creature_ptr->prace == RACE_MERFOLK)
1323         result |= FLAG_CAUSE_RACE;
1324
1325     return result;
1326 }
1327
1328 void has_resist_fear(player_type *creature_ptr)
1329 {
1330     object_type *o_ptr;
1331     BIT_FLAGS flgs[TR_FLAG_SIZE];
1332     creature_ptr->resist_fear = FALSE;
1333
1334     if (creature_ptr->muta3 & MUT3_FEARLESS)
1335         creature_ptr->resist_fear = TRUE;
1336
1337     switch (creature_ptr->pclass) {
1338     case CLASS_WARRIOR:
1339         if (creature_ptr->lev > 29)
1340             creature_ptr->resist_fear = TRUE;
1341         break;
1342     case CLASS_PALADIN:
1343         if (creature_ptr->lev > 39)
1344             creature_ptr->resist_fear = TRUE;
1345         break;
1346     case CLASS_CHAOS_WARRIOR:
1347         if (creature_ptr->lev > 39)
1348             creature_ptr->resist_fear = TRUE;
1349         break;
1350     case CLASS_MINDCRAFTER:
1351         if (creature_ptr->lev > 9)
1352             creature_ptr->resist_fear = TRUE;
1353         break;
1354     case CLASS_SAMURAI:
1355         if (creature_ptr->lev > 29)
1356             creature_ptr->resist_fear = TRUE;
1357         break;
1358     case CLASS_NINJA:
1359         creature_ptr->resist_fear = TRUE;
1360         break;
1361     }
1362
1363     if (creature_ptr->mimic_form == MIMIC_DEMON_LORD) {
1364         creature_ptr->resist_fear = TRUE;
1365     }
1366
1367     if (!creature_ptr->mimic_form && creature_ptr->prace == RACE_BARBARIAN)
1368         creature_ptr->resist_fear = TRUE;
1369
1370     if (creature_ptr->ult_res || (creature_ptr->special_defense & KATA_MUSOU)) {
1371         creature_ptr->resist_fear = TRUE;
1372     }
1373
1374     if (is_hero(creature_ptr) || creature_ptr->shero) {
1375         creature_ptr->resist_fear = TRUE;
1376     }
1377
1378     for (inventory_slot_type i = INVEN_RARM; i < INVEN_TOTAL; i++) {
1379         o_ptr = &creature_ptr->inventory_list[i];
1380         if (!o_ptr->k_idx)
1381             continue;
1382
1383         object_flags(creature_ptr, o_ptr, flgs);
1384         if (has_flag(flgs, TR_RES_FEAR))
1385             creature_ptr->resist_fear = TRUE;
1386     }
1387 }
1388
1389 BIT_FLAGS has_immune_acid(player_type *creature_ptr)
1390 {
1391     BIT_FLAGS result = 0L;
1392     if (!creature_ptr->mimic_form && creature_ptr->prace == RACE_YEEK && creature_ptr->lev > 19)
1393         result |= FLAG_CAUSE_RACE;
1394
1395     if (creature_ptr->ele_immune) {
1396         if (creature_ptr->special_defense & DEFENSE_ACID)
1397             result |= FLAG_CAUSE_MAGIC_TIME_EFFECT;
1398     }
1399
1400     result |= check_equipment_flags(creature_ptr, TR_IM_ACID);
1401     return result;
1402 }
1403
1404 BIT_FLAGS has_immune_elec(player_type *creature_ptr)
1405 {
1406     BIT_FLAGS result = 0L;
1407
1408         if (creature_ptr->ele_immune) {
1409         if (creature_ptr->special_defense & DEFENSE_ELEC)
1410             result |= FLAG_CAUSE_MAGIC_TIME_EFFECT;
1411     }
1412
1413     result |= check_equipment_flags(creature_ptr, TR_IM_ELEC);
1414     return result;
1415 }
1416
1417 BIT_FLAGS has_immune_fire(player_type *creature_ptr)
1418 {
1419     BIT_FLAGS result = 0L;
1420
1421         if (creature_ptr->ele_immune) {
1422         if (creature_ptr->special_defense & DEFENSE_FIRE)
1423             result |= FLAG_CAUSE_MAGIC_TIME_EFFECT;
1424     }
1425
1426     result |= check_equipment_flags(creature_ptr, TR_IM_FIRE);
1427     return result;
1428 }
1429
1430 BIT_FLAGS has_immune_cold(player_type *creature_ptr)
1431 {
1432     BIT_FLAGS result = 0L;
1433
1434         if (creature_ptr->ele_immune) {
1435         if (creature_ptr->special_defense & DEFENSE_COLD)
1436            result |= FLAG_CAUSE_MAGIC_TIME_EFFECT;
1437     }
1438
1439     result |= check_equipment_flags(creature_ptr, TR_IM_COLD);
1440     return result;
1441 }
1442
1443 bool has_right_hand_weapon(player_type *creature_ptr)
1444 {
1445     if (has_melee_weapon(creature_ptr, INVEN_RARM))
1446         return TRUE;
1447
1448     if (can_two_hands_wielding(creature_ptr)) {
1449         switch (creature_ptr->pclass) {
1450         case CLASS_MONK:
1451         case CLASS_FORCETRAINER:
1452         case CLASS_BERSERKER:
1453             if (empty_hands(creature_ptr, FALSE) == (EMPTY_HAND_RARM | EMPTY_HAND_LARM)) {
1454                 return TRUE;
1455             }
1456             break;
1457         }
1458     }
1459
1460     return FALSE;
1461 }
1462
1463 bool has_left_hand_weapon(player_type *creature_ptr) { return has_melee_weapon(creature_ptr, INVEN_LARM); }
1464
1465 bool has_two_handed_weapons(player_type *creature_ptr)
1466 {
1467     if (can_two_hands_wielding(creature_ptr)) {
1468         if (has_right_hand_weapon(creature_ptr) && (empty_hands(creature_ptr, FALSE) == EMPTY_HAND_LARM)
1469             && object_allow_two_hands_wielding(&creature_ptr->inventory_list[INVEN_RARM])) {
1470             return TRUE;
1471         } else if (has_left_hand_weapon(creature_ptr) && (empty_hands(creature_ptr, FALSE) == EMPTY_HAND_RARM)
1472             && object_allow_two_hands_wielding(&creature_ptr->inventory_list[INVEN_LARM])) {
1473             return TRUE;
1474         }
1475     }
1476     return FALSE;
1477 }
1478
1479 void has_lite(player_type *creature_ptr)
1480 {
1481     creature_ptr->lite = FALSE;
1482     if (creature_ptr->pclass == CLASS_NINJA)
1483         return;
1484
1485     if (creature_ptr->pseikaku == PERSONALITY_MUNCHKIN) {
1486         creature_ptr->lite = TRUE;
1487     }
1488
1489     if (creature_ptr->mimic_form == MIMIC_VAMPIRE) {
1490         creature_ptr->lite = TRUE;
1491     }
1492
1493     if (creature_ptr->muta3 & MUT3_FIRE_BODY) {
1494         creature_ptr->lite = TRUE;
1495     }
1496
1497     if (!creature_ptr->mimic_form && creature_ptr->prace == RACE_VAMPIRE)
1498         creature_ptr->lite = TRUE;
1499
1500     if (creature_ptr->sh_fire)
1501         creature_ptr->lite = TRUE;
1502
1503     if (creature_ptr->ult_res || (creature_ptr->special_defense & KATA_MUSOU)) {
1504         creature_ptr->lite = TRUE;
1505     }
1506 }
1507
1508 bool is_disable_two_handed_bonus(player_type *creature_ptr, int i)
1509 {
1510     object_type *o_ptr;
1511     o_ptr = &creature_ptr->inventory_list[INVEN_RARM + i];
1512     if (has_melee_weapon(creature_ptr, INVEN_RARM + i)) {
1513         if (calc_weapon_weight_limit(creature_ptr) * 2 >= o_ptr->weight / 10 && has_two_handed_weapons(creature_ptr)
1514             && (calc_weapon_weight_limit(creature_ptr) * 2 < o_ptr->weight / 5))
1515             return TRUE;
1516     }
1517     return FALSE;
1518 }
1519
1520 bool is_icky_wield_weapon(player_type *creature_ptr, int i)
1521 {
1522     object_type *o_ptr;
1523     BIT_FLAGS flgs[TR_FLAG_SIZE];
1524     o_ptr = &creature_ptr->inventory_list[INVEN_RARM + i];
1525     object_flags(creature_ptr, o_ptr, flgs);
1526
1527     if ((creature_ptr->pclass == CLASS_PRIEST) && (!(has_flag(flgs, TR_BLESSED))) && ((o_ptr->tval == TV_SWORD) || (o_ptr->tval == TV_POLEARM))) {
1528         return TRUE;
1529     } else if (creature_ptr->pclass == CLASS_SORCERER) {
1530         if (!((o_ptr->tval == TV_HAFTED) && ((o_ptr->sval == SV_WIZSTAFF) || (o_ptr->sval == SV_NAMAKE_HAMMER)))) {
1531             return TRUE;
1532         }
1533     }
1534     if (is_not_monk_weapon(creature_ptr, i) || is_not_ninja_weapon(creature_ptr, i)) {
1535         return TRUE;
1536     }
1537     return FALSE;
1538 }
1539
1540 bool is_riding_wield_weapon(player_type *creature_ptr, int i)
1541 {
1542     object_type *o_ptr;
1543     BIT_FLAGS flgs[TR_FLAG_SIZE];
1544     o_ptr = &creature_ptr->inventory_list[INVEN_RARM + i];
1545     object_flags(creature_ptr, o_ptr, flgs);
1546     if (creature_ptr->riding != 0 && !(o_ptr->tval == TV_POLEARM) && ((o_ptr->sval == SV_LANCE) || (o_ptr->sval == SV_HEAVY_LANCE))
1547         && !has_flag(flgs, TR_RIDING)) {
1548         return TRUE;
1549     }
1550     return FALSE;
1551 }
1552
1553 bool is_not_ninja_weapon(player_type *creature_ptr, int i)
1554 {
1555     tval_type tval = creature_ptr->inventory_list[INVEN_RARM + i].tval - TV_WEAPON_BEGIN;
1556     OBJECT_SUBTYPE_VALUE sval = creature_ptr->inventory_list[INVEN_RARM + i].sval;
1557     return creature_ptr->pclass == CLASS_NINJA
1558         && !((s_info[CLASS_NINJA].w_max[tval][sval] > WEAPON_EXP_BEGINNER) && (creature_ptr->inventory_list[INVEN_LARM - i].tval != TV_SHIELD));
1559 }
1560
1561 bool is_not_monk_weapon(player_type *creature_ptr, int i)
1562 {
1563     tval_type tval = creature_ptr->inventory_list[INVEN_RARM + i].tval - TV_WEAPON_BEGIN;
1564     OBJECT_SUBTYPE_VALUE sval = creature_ptr->inventory_list[INVEN_RARM + i].sval;
1565     return (creature_ptr->pclass == CLASS_MONK) || (creature_ptr->pclass == CLASS_FORCETRAINER) && (!s_info[creature_ptr->pclass].w_max[tval][sval]);
1566 }
1567
1568 bool has_good_luck(player_type *creature_ptr) { return (creature_ptr->pseikaku == PERSONALITY_LUCKY) || (creature_ptr->muta3 |= MUT3_GOOD_LUCK); };