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 BIT_FLAGS has_slow_digest(player_type *creature_ptr)
 728 {
 729     BIT_FLAGS result = 0L;
 730
 731     if (creature_ptr->pclass == CLASS_NINJA) {
 732         result = FLAG_CAUSE_CLASS;
 733     }
 734
 735     if (creature_ptr->lev > 14 && !creature_ptr->mimic_form && creature_ptr->prace == RACE_HALF_TROLL) {
 736         if (creature_ptr->pclass == CLASS_WARRIOR || creature_ptr->pclass == CLASS_BERSERKER) {
 737             result = FLAG_CAUSE_CLASS;
 738             /* Let's not make Regeneration
 739              * a disadvantage for the poor warriors who can
 740              * never learn a spell that satisfies hunger (actually
 741              * neither can rogues, but half-trolls are not
 742              * supposed to play rogues) */
 743         }
 744     }
 745
 746     if (creature_ptr->special_defense & KATA_MUSOU) {
 747         result = FLAG_CAUSE_BATTLE_FORM;
 748     }
 749
 750     if (creature_ptr->ult_res) {
 751         result |= FLAG_CAUSE_MAGIC_TIME_EFFECT;
 752     }
 753
 754     if (!creature_ptr->mimic_form
 755         && (creature_ptr->prace == RACE_GOLEM || creature_ptr->prace == RACE_ZOMBIE || creature_ptr->prace == RACE_SPECTRE
 756             || creature_ptr->prace == RACE_ANDROID)) {
 757         result = FLAG_CAUSE_RACE;
 758     }
 759
 760     result |= check_equipment_flags(creature_ptr, TR_SLOW_DIGEST);
 761     return result;
 762 }
 763
 764 BIT_FLAGS has_regenerate(player_type *creature_ptr)
 765 {
 766     BIT_FLAGS result = 0L;
 767
 768     if (is_specific_player_race(creature_ptr, RACE_HALF_TROLL) && creature_ptr->lev > 14) {
 769         result |= FLAG_CAUSE_RACE;
 770     }
 771
 772     if (is_specific_player_race(creature_ptr, RACE_AMBERITE)) {
 773         result |= FLAG_CAUSE_RACE;
 774     }
 775
 776     if (creature_ptr->pclass == CLASS_WARRIOR && creature_ptr->lev > 44) {
 777         result |= FLAG_CAUSE_RACE;
 778         }
 779
 780         if (creature_ptr->pclass == CLASS_BERSERKER) {
 781         result |= FLAG_CAUSE_RACE;
 782     }
 783
 784     if (creature_ptr->muta3 & MUT3_REGEN)
 785         result |= FLAG_CAUSE_MUTATION;
 786
 787     if (creature_ptr->special_defense & KATA_MUSOU) {
 788         result |= FLAG_CAUSE_MUTATION;
 789     }
 790
 791     if (hex_spelling(creature_ptr, HEX_DEMON_AURA) || creature_ptr->ult_res || creature_ptr->tim_regen) {
 792         result |= FLAG_CAUSE_MAGIC_TIME_EFFECT;
 793     }
 794
 795     result |= check_equipment_flags(creature_ptr, TR_REGEN);
 796
 797     if (creature_ptr->muta3 & MUT3_FLESH_ROT)
 798         result = 0L;
 799
 800     return result;
 801 }
 802
 803 void has_curses(player_type *creature_ptr)
 804 {
 805     object_type *o_ptr;
 806     BIT_FLAGS flgs[TR_FLAG_SIZE];
 807     creature_ptr->cursed = 0L;
 808
 809     if (creature_ptr->pseikaku == PERSONALITY_SEXY)
 810         creature_ptr->cursed |= (TRC_AGGRAVATE);
 811
 812     for (inventory_slot_type i = INVEN_RARM; i < INVEN_TOTAL; i++) {
 813         o_ptr = &creature_ptr->inventory_list[i];
 814         if (!o_ptr->k_idx)
 815             continue;
 816         object_flags(creature_ptr, o_ptr, flgs);
 817         if (has_flag(flgs, TR_AGGRAVATE))
 818             creature_ptr->cursed |= TRC_AGGRAVATE;
 819         if (has_flag(flgs, TR_DRAIN_EXP))
 820             creature_ptr->cursed |= TRC_DRAIN_EXP;
 821         if (has_flag(flgs, TR_TY_CURSE))
 822             creature_ptr->cursed |= TRC_TY_CURSE;
 823         if (has_flag(flgs, TR_ADD_L_CURSE))
 824             creature_ptr->cursed |= TRC_ADD_L_CURSE;
 825         if (has_flag(flgs, TR_ADD_H_CURSE))
 826             creature_ptr->cursed |= TRC_ADD_H_CURSE;
 827         if (has_flag(flgs, TR_DRAIN_HP))
 828             creature_ptr->cursed |= TRC_DRAIN_HP;
 829         if (has_flag(flgs, TR_DRAIN_MANA))
 830             creature_ptr->cursed |= TRC_DRAIN_MANA;
 831         if (has_flag(flgs, TR_CALL_ANIMAL))
 832             creature_ptr->cursed |= TRC_CALL_ANIMAL;
 833         if (has_flag(flgs, TR_CALL_DEMON))
 834             creature_ptr->cursed |= TRC_CALL_DEMON;
 835         if (has_flag(flgs, TR_CALL_DRAGON))
 836             creature_ptr->cursed |= TRC_CALL_DRAGON;
 837         if (has_flag(flgs, TR_CALL_UNDEAD))
 838             creature_ptr->cursed |= TRC_CALL_UNDEAD;
 839         if (has_flag(flgs, TR_COWARDICE))
 840             creature_ptr->cursed |= TRC_COWARDICE;
 841         if (has_flag(flgs, TR_LOW_MELEE))
 842             creature_ptr->cursed |= TRC_LOW_MELEE;
 843         if (has_flag(flgs, TR_LOW_AC))
 844             creature_ptr->cursed |= TRC_LOW_AC;
 845         if (has_flag(flgs, TR_LOW_MAGIC))
 846             creature_ptr->cursed |= TRC_LOW_MAGIC;
 847         if (has_flag(flgs, TR_FAST_DIGEST))
 848             creature_ptr->cursed |= TRC_FAST_DIGEST;
 849         if (has_flag(flgs, TR_SLOW_REGEN))
 850             creature_ptr->cursed |= TRC_SLOW_REGEN;
 851
 852         creature_ptr->cursed |= (o_ptr->curse_flags & (0xFFFFFFF0L));
 853         if (o_ptr->name1 == ART_CHAINSWORD)
 854             creature_ptr->cursed |= TRC_CHAINSWORD;
 855
 856         if (has_flag(flgs, TR_TELEPORT)) {
 857             if (object_is_cursed(o_ptr))
 858                 creature_ptr->cursed |= TRC_TELEPORT;
 859             else {
 860                 concptr insc = quark_str(o_ptr->inscription);
 861
 862                 /* {.} will stop random teleportation. */
 863                 if (o_ptr->inscription && angband_strchr(insc, '.')) {
 864                 } else {
 865                     creature_ptr->cursed |= TRC_TELEPORT_SELF;
 866                 }
 867             }
 868         }
 869     }
 870
 871     if (creature_ptr->cursed & TRC_TELEPORT)
 872         creature_ptr->cursed &= ~(TRC_TELEPORT_SELF);
 873
 874     if ((is_specific_player_race(creature_ptr, RACE_S_FAIRY)) && (creature_ptr->pseikaku != PERSONALITY_SEXY) && (creature_ptr->cursed & TRC_AGGRAVATE)) {
 875         creature_ptr->cursed &= ~(TRC_AGGRAVATE);
 876     }
 877 }
 878
 879 BIT_FLAGS has_impact(player_type *creature_ptr)
 880 {
 881     BIT_FLAGS result = 0L;
 882     result |= check_equipment_flags(creature_ptr, TR_IMPACT);
 883     return result;
 884 }
 885
 886 void has_extra_blow(player_type *creature_ptr)
 887 {
 888     object_type *o_ptr;
 889     BIT_FLAGS flgs[TR_FLAG_SIZE];
 890     creature_ptr->extra_blows[0] = creature_ptr->extra_blows[1] = 0;
 891
 892     for (inventory_slot_type i = INVEN_RARM; i < INVEN_TOTAL; i++) {
 893         o_ptr = &creature_ptr->inventory_list[i];
 894         if (!o_ptr->k_idx)
 895             continue;
 896
 897         object_flags(creature_ptr, o_ptr, flgs);
 898
 899         if (has_flag(flgs, TR_INFRA))
 900             creature_ptr->see_infra += o_ptr->pval;
 901         if (has_flag(flgs, TR_BLOWS)) {
 902             if ((i == INVEN_RARM || i == INVEN_RIGHT) && !has_two_handed_weapons(creature_ptr))
 903                 creature_ptr->extra_blows[0] += o_ptr->pval;
 904             else if ((i == INVEN_LARM || i == INVEN_LEFT) && !has_two_handed_weapons(creature_ptr))
 905                 creature_ptr->extra_blows[1] += o_ptr->pval;
 906             else {
 907                 creature_ptr->extra_blows[0] += o_ptr->pval;
 908                 creature_ptr->extra_blows[1] += o_ptr->pval;
 909             }
 910         }
 911     }
 912 }
 913
 914 BIT_FLAGS has_resist_acid(player_type *creature_ptr)
 915 {
 916     BIT_FLAGS result = 0L;
 917
 918     if (creature_ptr->mimic_form == MIMIC_DEMON_LORD) {
 919         result |= FLAG_CAUSE_RACE;
 920     }
 921
 922     if (!creature_ptr->mimic_form && (creature_ptr->prace == RACE_YEEK || creature_ptr->prace == RACE_KLACKON)) {
 923         result |= FLAG_CAUSE_RACE;
 924     }
 925
 926     if (!creature_ptr->mimic_form && creature_ptr->prace == RACE_DRACONIAN && creature_ptr->lev > 14) {
 927         result |= FLAG_CAUSE_RACE;
 928     }
 929
 930     if (creature_ptr->special_defense & KAMAE_SEIRYU || creature_ptr->special_defense & KATA_MUSOU) {
 931         result |= FLAG_CAUSE_BATTLE_FORM;
 932     }
 933
 934     if (creature_ptr->ult_res) {
 935         result |= FLAG_CAUSE_MAGIC_TIME_EFFECT;
 936     }
 937
 938     result |= has_immune_acid(creature_ptr);
 939
 940     result |= check_equipment_flags(creature_ptr, TR_RES_ACID);
 941     return result;
 942
 943 }
 944
 945 BIT_FLAGS has_resist_elec(player_type *creature_ptr)
 946 {
 947     BIT_FLAGS result = 0L;
 948
 949     if (creature_ptr->mimic_form == MIMIC_DEMON_LORD) {
 950         result |= FLAG_CAUSE_RACE;
 951     }
 952
 953     if (!creature_ptr->mimic_form && creature_ptr->prace == RACE_DRACONIAN && creature_ptr->lev > 19) {
 954         result |= FLAG_CAUSE_RACE;
 955     }
 956
 957     if (creature_ptr->special_defense & KAMAE_SEIRYU || creature_ptr->special_defense & KATA_MUSOU) {
 958         result |= FLAG_CAUSE_BATTLE_FORM;
 959     }
 960
 961     if (creature_ptr->ult_res) {
 962         result |= FLAG_CAUSE_MAGIC_TIME_EFFECT;
 963     }
 964
 965     result |= check_equipment_flags(creature_ptr, TR_RES_ELEC);
 966     result |= has_immune_elec(creature_ptr);
 967     return result;
 968 }
 969
 970 BIT_FLAGS has_resist_fire(player_type *creature_ptr)
 971 {
 972     BIT_FLAGS result = 0L;
 973
 974     if (creature_ptr->mimic_form == MIMIC_DEMON || creature_ptr->mimic_form == MIMIC_DEMON_LORD) {
 975         result |= FLAG_CAUSE_RACE;
 976     }
 977
 978     if (!creature_ptr->mimic_form && creature_ptr->prace == RACE_DRACONIAN && creature_ptr->lev > 4) {
 979         result |= FLAG_CAUSE_RACE;
 980     }
 981
 982     if (!creature_ptr->mimic_form && (creature_ptr->prace == RACE_IMP || creature_ptr->prace == RACE_BALROG)) {
 983         result |= FLAG_CAUSE_RACE;
 984     }
 985
 986     if (creature_ptr->special_defense & KAMAE_SEIRYU || creature_ptr->special_defense & KATA_MUSOU) {
 987         result |= FLAG_CAUSE_BATTLE_FORM;
 988     }
 989
 990     if (creature_ptr->ult_res) {
 991         result |= FLAG_CAUSE_MAGIC_TIME_EFFECT;
 992         }
 993
 994     result |= check_equipment_flags(creature_ptr, TR_RES_FIRE);
 995     result |= has_immune_fire(creature_ptr);
 996     return result;
 997 }
 998
 999 BIT_FLAGS has_resist_cold(player_type *creature_ptr)
1000 {
1001     BIT_FLAGS result = 0L;
1002
1003     if (creature_ptr->mimic_form == MIMIC_DEMON_LORD || creature_ptr->mimic_form == MIMIC_VAMPIRE) {
1004         result |= FLAG_CAUSE_RACE;
1005     }
1006
1007     if (!creature_ptr->mimic_form && (creature_ptr->prace == RACE_ZOMBIE) && creature_ptr->lev > 4) {
1008         result |= FLAG_CAUSE_RACE;
1009     }
1010
1011     if (!creature_ptr->mimic_form && (creature_ptr->prace == RACE_DRACONIAN || creature_ptr->prace == RACE_SKELETON) && creature_ptr->lev > 9) {
1012         result |= FLAG_CAUSE_RACE;
1013     }
1014
1015     if (!creature_ptr->mimic_form && (creature_ptr->prace == RACE_VAMPIRE || creature_ptr->prace == RACE_SPECTRE)) {
1016         result |= FLAG_CAUSE_RACE;
1017     }
1018
1019     if (creature_ptr->special_defense & KAMAE_SEIRYU || creature_ptr->special_defense & KATA_MUSOU) {
1020         result |= FLAG_CAUSE_BATTLE_FORM;
1021     }
1022
1023     if (creature_ptr->ult_res) {
1024         result |= FLAG_CAUSE_MAGIC_TIME_EFFECT;
1025     }
1026
1027     result |= check_equipment_flags(creature_ptr, TR_RES_COLD);
1028     result |= has_immune_cold(creature_ptr);
1029     return result;
1030 }
1031
1032 BIT_FLAGS has_resist_pois(player_type *creature_ptr)
1033 {
1034     BIT_FLAGS result = 0L;
1035
1036     if (creature_ptr->pclass == CLASS_NINJA && creature_ptr->lev > 19)
1037         result |= FLAG_CAUSE_CLASS;
1038
1039     if (creature_ptr->mimic_form == MIMIC_VAMPIRE || creature_ptr->mimic_form == MIMIC_DEMON_LORD) {
1040         result |= FLAG_CAUSE_RACE;
1041     }
1042
1043     if (!creature_ptr->mimic_form && creature_ptr->prace == RACE_DRACONIAN && creature_ptr->lev > 34) {
1044         result |= FLAG_CAUSE_RACE;
1045     }
1046
1047     if (!creature_ptr->mimic_form
1048         && (creature_ptr->prace == RACE_KOBOLD || creature_ptr->prace == RACE_GOLEM || creature_ptr->prace == RACE_SKELETON
1049             || creature_ptr->prace == RACE_VAMPIRE || creature_ptr->prace == RACE_SPECTRE || creature_ptr->prace == RACE_ANDROID)) {
1050         result |= FLAG_CAUSE_RACE;
1051     }
1052
1053     if (creature_ptr->special_defense & KAMAE_SEIRYU || creature_ptr->special_defense & KATA_MUSOU) {
1054         result |= FLAG_CAUSE_BATTLE_FORM;
1055     }
1056
1057     if (creature_ptr->ult_res) {
1058         result |= FLAG_CAUSE_MAGIC_TIME_EFFECT;
1059     }
1060
1061     result |= check_equipment_flags(creature_ptr, TR_RES_POIS);
1062     return result;
1063 }
1064
1065 BIT_FLAGS has_resist_conf(player_type *creature_ptr)
1066 {
1067     BIT_FLAGS result = 0L;
1068
1069     if (creature_ptr->pclass == CLASS_MINDCRAFTER && creature_ptr->lev > 29)
1070         result |= FLAG_CAUSE_CLASS;
1071
1072     if (creature_ptr->pseikaku == PERSONALITY_CHARGEMAN || creature_ptr->pseikaku == PERSONALITY_MUNCHKIN) {
1073         result |= FLAG_CAUSE_PERSONALITY;
1074     }
1075
1076     if (!creature_ptr->mimic_form && (creature_ptr->prace == RACE_KLACKON || creature_ptr->prace == RACE_BEASTMAN || creature_ptr->prace == RACE_KUTAR)) {
1077         result |= FLAG_CAUSE_RACE;
1078     }
1079
1080     if (creature_ptr->mimic_form == MIMIC_DEMON_LORD) {
1081         result |= FLAG_CAUSE_RACE;
1082     }
1083
1084     if (creature_ptr->ult_res || creature_ptr->magicdef) {
1085         result |= FLAG_CAUSE_MAGIC_TIME_EFFECT;
1086     }
1087
1088     if (creature_ptr->special_defense & KATA_MUSOU) {
1089         result |= FLAG_CAUSE_BATTLE_FORM;
1090     }
1091
1092     result |= check_equipment_flags(creature_ptr, TR_RES_CONF);
1093     return result;
1094 }
1095
1096 BIT_FLAGS has_resist_sound(player_type *creature_ptr)
1097 {
1098     BIT_FLAGS result = 0L;
1099
1100     if (creature_ptr->pclass == CLASS_BARD) {
1101         result |= FLAG_CAUSE_CLASS;
1102     }
1103
1104     if (!creature_ptr->mimic_form && (creature_ptr->prace == RACE_CYCLOPS || creature_ptr->prace == RACE_BEASTMAN)) {
1105         result |= FLAG_CAUSE_RACE;
1106     }
1107
1108     if (creature_ptr->special_defense & KATA_MUSOU) {
1109         result |= FLAG_CAUSE_BATTLE_FORM;
1110     }
1111
1112     if (creature_ptr->ult_res) {
1113         result |= FLAG_CAUSE_MAGIC_TIME_EFFECT;
1114     }
1115
1116     result |= check_equipment_flags(creature_ptr, TR_RES_SOUND);
1117     return result;
1118 }
1119
1120 BIT_FLAGS has_resist_lite(player_type *creature_ptr)
1121 {
1122     BIT_FLAGS result = 0L;
1123
1124     if (!creature_ptr->mimic_form && (creature_ptr->prace == RACE_ELF || creature_ptr->prace == RACE_HIGH_ELF || creature_ptr->prace == RACE_SPRITE)) {
1125         result |= FLAG_CAUSE_RACE;
1126     }
1127
1128     if (creature_ptr->special_defense & KATA_MUSOU) {
1129         result |= FLAG_CAUSE_BATTLE_FORM;
1130     }
1131
1132     if (creature_ptr->ult_res) {
1133         result |= FLAG_CAUSE_MAGIC_TIME_EFFECT;
1134     }
1135
1136     result |= check_equipment_flags(creature_ptr, TR_RES_LITE);
1137     return result;
1138 }
1139
1140 BIT_FLAGS has_resist_dark(player_type *creature_ptr)
1141 {
1142     BIT_FLAGS result = 0L;
1143
1144     if (creature_ptr->mimic_form == MIMIC_VAMPIRE) {
1145         result |= FLAG_CAUSE_RACE;
1146     }
1147
1148     if (!creature_ptr->mimic_form
1149         && (creature_ptr->prace == RACE_HALF_ORC || creature_ptr->prace == RACE_HALF_OGRE || creature_ptr->prace == RACE_NIBELUNG
1150             || creature_ptr->prace == RACE_DARK_ELF || creature_ptr->prace == RACE_VAMPIRE)) {
1151         result |= FLAG_CAUSE_RACE;
1152     }
1153
1154     if (creature_ptr->special_defense & KATA_MUSOU) {
1155         result |= FLAG_CAUSE_BATTLE_FORM;
1156     }
1157
1158     if (creature_ptr->ult_res) {
1159         result |= FLAG_CAUSE_MAGIC_TIME_EFFECT;
1160     }
1161
1162     result |= check_equipment_flags(creature_ptr, TR_RES_DARK);
1163     return result;
1164 }
1165
1166 BIT_FLAGS has_resist_chaos(player_type *creature_ptr)
1167 {
1168     BIT_FLAGS result = 0L;
1169
1170     if (creature_ptr->pclass == CLASS_CHAOS_WARRIOR && creature_ptr->lev > 29)
1171         result |= FLAG_CAUSE_CLASS;
1172
1173     if (creature_ptr->mimic_form == MIMIC_DEMON || creature_ptr->mimic_form == MIMIC_DEMON_LORD) {
1174         result |= FLAG_CAUSE_RACE;
1175     }
1176
1177     if (!creature_ptr->mimic_form && creature_ptr->prace == RACE_HALF_TITAN)
1178         result |= FLAG_CAUSE_RACE;
1179
1180     if (creature_ptr->special_defense & KATA_MUSOU) {
1181         result |= FLAG_CAUSE_BATTLE_FORM;
1182     }
1183
1184     if (creature_ptr->ult_res) {
1185         result |= FLAG_CAUSE_MAGIC_TIME_EFFECT;
1186     }
1187
1188     result |= check_equipment_flags(creature_ptr, TR_RES_CHAOS);
1189     return result;
1190 }
1191
1192 BIT_FLAGS has_resist_disen(player_type *creature_ptr)
1193 {
1194     BIT_FLAGS result = 0L;
1195
1196     if (creature_ptr->mimic_form == MIMIC_DEMON_LORD) {
1197         result |= FLAG_CAUSE_RACE;
1198     }
1199
1200     if (!creature_ptr->mimic_form && creature_ptr->prace == RACE_NIBELUNG)
1201         result |= FLAG_CAUSE_RACE;
1202
1203     if (creature_ptr->special_defense & KATA_MUSOU) {
1204         result |= FLAG_CAUSE_BATTLE_FORM;
1205     }
1206
1207     if (creature_ptr->ult_res) {
1208         result |= FLAG_CAUSE_MAGIC_TIME_EFFECT;
1209     }
1210
1211     result |= check_equipment_flags(creature_ptr, TR_RES_DISEN);
1212     return result;
1213 }
1214
1215 BIT_FLAGS has_resist_shard(player_type *creature_ptr)
1216 {
1217     BIT_FLAGS result = 0L;
1218
1219     if (!creature_ptr->mimic_form && (creature_ptr->prace == RACE_HALF_TITAN || creature_ptr->prace == RACE_SKELETON))
1220         result |= FLAG_CAUSE_RACE;
1221
1222     if (creature_ptr->special_defense & KATA_MUSOU) {
1223         result |= FLAG_CAUSE_BATTLE_FORM;
1224     }
1225
1226     if (creature_ptr->ult_res) {
1227         result |= FLAG_CAUSE_MAGIC_TIME_EFFECT;
1228     }
1229
1230     result |= check_equipment_flags(creature_ptr, TR_RES_SHARDS);
1231     return result;
1232 }
1233
1234 BIT_FLAGS has_resist_nexus(player_type *creature_ptr)
1235 {
1236     BIT_FLAGS result = 0L;
1237
1238     if (creature_ptr->mimic_form == MIMIC_DEMON_LORD) {
1239         result |= FLAG_CAUSE_RACE;
1240     }
1241
1242     if (creature_ptr->special_defense & KATA_MUSOU) {
1243         result |= FLAG_CAUSE_BATTLE_FORM;
1244     }
1245
1246     if (creature_ptr->ult_res) {
1247         result |= FLAG_CAUSE_MAGIC_TIME_EFFECT;
1248     }
1249
1250     result |= check_equipment_flags(creature_ptr, TR_RES_NEXUS);
1251     return result;
1252 }
1253
1254 BIT_FLAGS has_resist_blind(player_type *creature_ptr)
1255 {
1256     BIT_FLAGS result = 0L;
1257
1258     if (creature_ptr->pseikaku == PERSONALITY_MUNCHKIN) {
1259         result |= FLAG_CAUSE_PERSONALITY;
1260     }
1261
1262     if (!creature_ptr->mimic_form && creature_ptr->prace == RACE_DWARF)
1263         result |= FLAG_CAUSE_RACE;
1264
1265     if (creature_ptr->special_defense & KATA_MUSOU) {
1266         result |= FLAG_CAUSE_BATTLE_FORM;
1267     }
1268
1269     if (creature_ptr->ult_res || creature_ptr->magicdef) {
1270         result |= FLAG_CAUSE_MAGIC_TIME_EFFECT;
1271     }
1272
1273     result |= check_equipment_flags(creature_ptr, TR_RES_BLIND);
1274     return result;
1275 }
1276
1277 BIT_FLAGS has_resist_neth(player_type *creature_ptr)
1278 {
1279     BIT_FLAGS result = 0L;
1280
1281     if (creature_ptr->mimic_form == MIMIC_DEMON_LORD || creature_ptr->mimic_form == MIMIC_DEMON || creature_ptr->mimic_form == MIMIC_VAMPIRE) {
1282         result |= FLAG_CAUSE_RACE;
1283     }
1284
1285     if (!creature_ptr->mimic_form
1286         && (creature_ptr->prace == RACE_ZOMBIE || creature_ptr->prace == RACE_VAMPIRE || creature_ptr->prace == RACE_SPECTRE
1287             || creature_ptr->prace == RACE_BALROG))
1288         result |= FLAG_CAUSE_RACE;
1289
1290     if (creature_ptr->special_defense & KATA_MUSOU) {
1291         result |= FLAG_CAUSE_BATTLE_FORM;
1292     }
1293
1294     if (creature_ptr->ult_res || creature_ptr->tim_res_nether) {
1295         result |= FLAG_CAUSE_MAGIC_TIME_EFFECT;
1296     }
1297
1298     result |= check_equipment_flags(creature_ptr, TR_RES_NETHER);
1299     return result;
1300 }
1301
1302 BIT_FLAGS has_resist_time(player_type *creature_ptr)
1303 {
1304     BIT_FLAGS result = 0L;
1305
1306     if (creature_ptr->tim_res_time) {
1307         result |= FLAG_CAUSE_MAGIC_TIME_EFFECT;
1308     }
1309
1310     result |= check_equipment_flags(creature_ptr, TR_RES_TIME);
1311     return result;
1312 }
1313
1314 BIT_FLAGS has_resist_water(player_type *creature_ptr)
1315 {
1316     BIT_FLAGS result = 0L;
1317
1318     if (!creature_ptr->mimic_form && creature_ptr->prace == RACE_MERFOLK)
1319         result |= FLAG_CAUSE_RACE;
1320
1321     result |= check_equipment_flags(creature_ptr, TR_RES_WATER);
1322     return result;
1323 }
1324
1325 BIT_FLAGS has_resist_fear(player_type *creature_ptr)
1326 {
1327     BIT_FLAGS result = 0L;
1328
1329     if (creature_ptr->muta3 & MUT3_FEARLESS)
1330         result |= FLAG_CAUSE_MUTATION;
1331
1332     switch (creature_ptr->pclass) {
1333     case CLASS_WARRIOR:
1334     case CLASS_SAMURAI:
1335         if (creature_ptr->lev > 29)
1336             result |= FLAG_CAUSE_CLASS;
1337         break;
1338     case CLASS_PALADIN:
1339     case CLASS_CHAOS_WARRIOR:
1340         if (creature_ptr->lev > 39)
1341             result |= FLAG_CAUSE_CLASS;
1342         break;
1343     case CLASS_MINDCRAFTER:
1344         if (creature_ptr->lev > 9)
1345             result |= FLAG_CAUSE_CLASS;
1346         break;
1347     case CLASS_NINJA:
1348         result |= FLAG_CAUSE_CLASS;
1349         break;
1350     }
1351
1352     if (creature_ptr->mimic_form == MIMIC_DEMON_LORD) {
1353         result |= FLAG_CAUSE_RACE;
1354     }
1355
1356     if (!creature_ptr->mimic_form && creature_ptr->prace == RACE_BARBARIAN)
1357         result |= FLAG_CAUSE_RACE;
1358
1359     if ((creature_ptr->special_defense & KATA_MUSOU)) {
1360         result |= FLAG_CAUSE_BATTLE_FORM;
1361     }
1362
1363     if (is_hero(creature_ptr) || creature_ptr->shero || creature_ptr->ult_res) {
1364         result |= FLAG_CAUSE_MAGIC_TIME_EFFECT;
1365     }
1366
1367     result |= check_equipment_flags(creature_ptr, TR_RES_FEAR);
1368     return result;
1369 }
1370
1371 BIT_FLAGS has_immune_acid(player_type *creature_ptr)
1372 {
1373     BIT_FLAGS result = 0L;
1374     if (!creature_ptr->mimic_form && creature_ptr->prace == RACE_YEEK && creature_ptr->lev > 19)
1375         result |= FLAG_CAUSE_RACE;
1376
1377     if (creature_ptr->ele_immune) {
1378         if (creature_ptr->special_defense & DEFENSE_ACID)
1379             result |= FLAG_CAUSE_MAGIC_TIME_EFFECT;
1380     }
1381
1382     result |= check_equipment_flags(creature_ptr, TR_IM_ACID);
1383     return result;
1384 }
1385
1386 BIT_FLAGS has_immune_elec(player_type *creature_ptr)
1387 {
1388     BIT_FLAGS result = 0L;
1389
1390         if (creature_ptr->ele_immune) {
1391         if (creature_ptr->special_defense & DEFENSE_ELEC)
1392             result |= FLAG_CAUSE_MAGIC_TIME_EFFECT;
1393     }
1394
1395     result |= check_equipment_flags(creature_ptr, TR_IM_ELEC);
1396     return result;
1397 }
1398
1399 BIT_FLAGS has_immune_fire(player_type *creature_ptr)
1400 {
1401     BIT_FLAGS result = 0L;
1402
1403         if (creature_ptr->ele_immune) {
1404         if (creature_ptr->special_defense & DEFENSE_FIRE)
1405             result |= FLAG_CAUSE_MAGIC_TIME_EFFECT;
1406     }
1407
1408     result |= check_equipment_flags(creature_ptr, TR_IM_FIRE);
1409     return result;
1410 }
1411
1412 BIT_FLAGS has_immune_cold(player_type *creature_ptr)
1413 {
1414     BIT_FLAGS result = 0L;
1415
1416         if (creature_ptr->ele_immune) {
1417         if (creature_ptr->special_defense & DEFENSE_COLD)
1418            result |= FLAG_CAUSE_MAGIC_TIME_EFFECT;
1419     }
1420
1421     result |= check_equipment_flags(creature_ptr, TR_IM_COLD);
1422     return result;
1423 }
1424
1425 bool has_right_hand_weapon(player_type *creature_ptr)
1426 {
1427     if (has_melee_weapon(creature_ptr, INVEN_RARM))
1428         return TRUE;
1429
1430     if (can_two_hands_wielding(creature_ptr)) {
1431         switch (creature_ptr->pclass) {
1432         case CLASS_MONK:
1433         case CLASS_FORCETRAINER:
1434         case CLASS_BERSERKER:
1435             if (empty_hands(creature_ptr, FALSE) == (EMPTY_HAND_RARM | EMPTY_HAND_LARM)) {
1436                 return TRUE;
1437             }
1438             break;
1439         }
1440     }
1441
1442     return FALSE;
1443 }
1444
1445 bool has_left_hand_weapon(player_type *creature_ptr) { return has_melee_weapon(creature_ptr, INVEN_LARM); }
1446
1447 bool has_two_handed_weapons(player_type *creature_ptr)
1448 {
1449     if (can_two_hands_wielding(creature_ptr)) {
1450         if (has_right_hand_weapon(creature_ptr) && (empty_hands(creature_ptr, FALSE) == EMPTY_HAND_LARM)
1451             && object_allow_two_hands_wielding(&creature_ptr->inventory_list[INVEN_RARM])) {
1452             return TRUE;
1453         } else if (has_left_hand_weapon(creature_ptr) && (empty_hands(creature_ptr, FALSE) == EMPTY_HAND_RARM)
1454             && object_allow_two_hands_wielding(&creature_ptr->inventory_list[INVEN_LARM])) {
1455             return TRUE;
1456         }
1457     }
1458     return FALSE;
1459 }
1460
1461 void has_lite(player_type *creature_ptr)
1462 {
1463     creature_ptr->lite = FALSE;
1464     if (creature_ptr->pclass == CLASS_NINJA)
1465         return;
1466
1467     if (creature_ptr->pseikaku == PERSONALITY_MUNCHKIN) {
1468         creature_ptr->lite = TRUE;
1469     }
1470
1471     if (creature_ptr->mimic_form == MIMIC_VAMPIRE) {
1472         creature_ptr->lite = TRUE;
1473     }
1474
1475     if (creature_ptr->muta3 & MUT3_FIRE_BODY) {
1476         creature_ptr->lite = TRUE;
1477     }
1478
1479     if (!creature_ptr->mimic_form && creature_ptr->prace == RACE_VAMPIRE)
1480         creature_ptr->lite = TRUE;
1481
1482     if (creature_ptr->sh_fire)
1483         creature_ptr->lite = TRUE;
1484
1485     if (creature_ptr->ult_res || (creature_ptr->special_defense & KATA_MUSOU)) {
1486         creature_ptr->lite = TRUE;
1487     }
1488 }
1489
1490 bool is_disable_two_handed_bonus(player_type *creature_ptr, int i)
1491 {
1492     object_type *o_ptr;
1493     o_ptr = &creature_ptr->inventory_list[INVEN_RARM + i];
1494     if (has_melee_weapon(creature_ptr, INVEN_RARM + i)) {
1495         if (calc_weapon_weight_limit(creature_ptr) * 2 >= o_ptr->weight / 10 && has_two_handed_weapons(creature_ptr)
1496             && (calc_weapon_weight_limit(creature_ptr) * 2 < o_ptr->weight / 5))
1497             return TRUE;
1498     }
1499     return FALSE;
1500 }
1501
1502 bool is_icky_wield_weapon(player_type *creature_ptr, int i)
1503 {
1504     object_type *o_ptr;
1505     BIT_FLAGS flgs[TR_FLAG_SIZE];
1506     o_ptr = &creature_ptr->inventory_list[INVEN_RARM + i];
1507     object_flags(creature_ptr, o_ptr, flgs);
1508
1509     if ((creature_ptr->pclass == CLASS_PRIEST) && (!(has_flag(flgs, TR_BLESSED))) && ((o_ptr->tval == TV_SWORD) || (o_ptr->tval == TV_POLEARM))) {
1510         return TRUE;
1511     } else if (creature_ptr->pclass == CLASS_SORCERER) {
1512         if (!((o_ptr->tval == TV_HAFTED) && ((o_ptr->sval == SV_WIZSTAFF) || (o_ptr->sval == SV_NAMAKE_HAMMER)))) {
1513             return TRUE;
1514         }
1515     }
1516     if (is_not_monk_weapon(creature_ptr, i) || is_not_ninja_weapon(creature_ptr, i)) {
1517         return TRUE;
1518     }
1519     return FALSE;
1520 }
1521
1522 bool is_riding_wield_weapon(player_type *creature_ptr, int i)
1523 {
1524     object_type *o_ptr;
1525     BIT_FLAGS flgs[TR_FLAG_SIZE];
1526     o_ptr = &creature_ptr->inventory_list[INVEN_RARM + i];
1527     object_flags(creature_ptr, o_ptr, flgs);
1528     if (creature_ptr->riding != 0 && !(o_ptr->tval == TV_POLEARM) && ((o_ptr->sval == SV_LANCE) || (o_ptr->sval == SV_HEAVY_LANCE))
1529         && !has_flag(flgs, TR_RIDING)) {
1530         return TRUE;
1531     }
1532     return FALSE;
1533 }
1534
1535 bool is_not_ninja_weapon(player_type *creature_ptr, int i)
1536 {
1537     tval_type tval = creature_ptr->inventory_list[INVEN_RARM + i].tval - TV_WEAPON_BEGIN;
1538     OBJECT_SUBTYPE_VALUE sval = creature_ptr->inventory_list[INVEN_RARM + i].sval;
1539     return creature_ptr->pclass == CLASS_NINJA
1540         && !((s_info[CLASS_NINJA].w_max[tval][sval] > WEAPON_EXP_BEGINNER) && (creature_ptr->inventory_list[INVEN_LARM - i].tval != TV_SHIELD));
1541 }
1542
1543 bool is_not_monk_weapon(player_type *creature_ptr, int i)
1544 {
1545     tval_type tval = creature_ptr->inventory_list[INVEN_RARM + i].tval - TV_WEAPON_BEGIN;
1546     OBJECT_SUBTYPE_VALUE sval = creature_ptr->inventory_list[INVEN_RARM + i].sval;
1547     return (creature_ptr->pclass == CLASS_MONK) || (creature_ptr->pclass == CLASS_FORCETRAINER) && (!s_info[creature_ptr->pclass].w_max[tval][sval]);
1548 }
1549
1550 bool has_good_luck(player_type *creature_ptr) { return (creature_ptr->pseikaku == PERSONALITY_LUCKY) || (creature_ptr->muta3 |= MUT3_GOOD_LUCK); };